.

.gitea/workflows/ci.yml

@@ -5,9 +5,6 @@ on:
     branches:
       - main
       - feature/**
-  pull_request:
-    branches:
-      - main
 
 jobs:
   test:
@@ -17,12 +14,6 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: 20
-          cache: npm
-
       - name: Install dependencies
         run: |
           npm ci
@@ -38,7 +29,16 @@ jobs:
         run: |
           npx prisma generate
 
+      - name: Build Next app
+        env:
+          # 빌드 시에도 Prisma Client 가 필요하므로 더미 DATABASE_URL 을 사용한다.
+          DATABASE_URL: postgresql://example:example@localhost:5432/example
+          PRISMA_ENGINES_CHECKSUM_IGNORE_MISSING: "1"
+        run: |
+          npm run build
+
       - name: Run unit tests
+        if: github.event_name == 'push'
         env:
           # API 유닛 테스트에서도 PrismaClient가 필요하므로,
           # generate 단계와 동일한 더미 DATABASE_URL 을 사용한다.
@@ -48,23 +48,44 @@ jobs:
         run: |
           npm test
 
-      # Playwright 브라우저는 용량이 크기 때문에 캐시를 사용해 설치 시간을 단축한다.
-      - name: Cache Playwright browsers
-        if: github.ref == 'refs/heads/main' || github.event_name == 'pull_request'
-        uses: actions/cache@v4
-        with:
-          path: ~/.cache/ms-playwright
-          key: playwright-${{ runner.os }}-${{ hashFiles('package-lock.json') }}
+  e2e:
+    needs: test
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
 
-      - name: Install Playwright browsers
-        if: github.ref == 'refs/heads/main' || github.event_name == 'pull_request'
-        run: |
-          npx playwright install --with-deps
+    services:
+      postgres:
+        image: postgres:16
+        env:
+          POSTGRES_USER: app
+          POSTGRES_PASSWORD: app_password
+          POSTGRES_DB: page_builder
+        options: >-
+          --health-cmd="pg_isready -U app -d page_builder"
+          --health-interval=5s
+          --health-timeout=3s
+          --health-retries=20
+
+    env:
+      DATABASE_URL: postgresql://app:app_password@postgres:5432/page_builder?schema=public
+      AUTH_JWT_SECRET: ${{ secrets.AUTH_JWT_SECRET }}
+      AUTH_ENCRYPTION_KEY: ${{ secrets.AUTH_ENCRYPTION_KEY }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run Prisma migrations
+        run: npx prisma migrate deploy
+
+      - name: Build Next.js app
+        run: npm run build
 
       - name: Run Playwright E2E tests
-        if: github.ref == 'refs/heads/main' || github.event_name == 'pull_request'
-        run: |
-          npx playwright test
+        run: npm run e2e
 
   pr_and_merge:
     needs: test

.gitignore

@@ -12,6 +12,7 @@ node_modules/
 # Playwright
 playwright-report/
 blob-report/
+test-results/
 
 # Docker
 **/.DS_Store
@@ -22,3 +23,5 @@ blob-report/
 MAIN_PLAN.md
 
 /src/generated/prisma
+
+uploads/

docker-compose.dev.yml

@@ -2,7 +2,7 @@ version: "3.9"
 
 services:
   app:
-    image: node:20-alpine
+    image: mcr.microsoft.com/playwright:v1.56.1-jammy
     working_dir: /app
     command: sh -c "npm install && npm run dev"
     ports:

package.json

@@ -7,6 +7,7 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
+    "start:e2e": "next start -p 3000",
     "lint": "next lint",
     "test": "vitest run",
     "e2e": "playwright test"
@@ -18,9 +19,14 @@
     "@dnd-kit/core": "^6.3.1",
     "@dnd-kit/sortable": "^10.0.0",
     "@prisma/client": "^6.19.0",
+    "@types/nodemailer": "^7.0.4",
+    "bcryptjs": "^2.4.3",
     "dotenv": "^17.2.3",
+    "jsonwebtoken": "^9.0.2",
     "jszip": "^3.10.1",
+    "lucide-react": "^0.555.0",
     "next": "^16.0.3",
+    "nodemailer": "^7.0.11",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "zustand": "^5.0.8"
@@ -31,6 +37,8 @@
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^16.3.0",
     "@testing-library/user-event": "^14.6.1",
+    "@types/bcryptjs": "^2.4.2",
+    "@types/jsonwebtoken": "^9.0.6",
     "@types/jszip": "^3.4.0",
     "@types/node": "^24.10.1",
     "@types/react": "^19.2.5",

playwright.config.ts

@@ -1,5 +1,7 @@
 import { defineConfig, devices } from "@playwright/test";
 
+const isCI = !!process.env.CI;
+
 export default defineConfig({
   testDir: "./tests/e2e",
   timeout: 30_000,
@@ -17,9 +19,11 @@ export default defineConfig({
     },
   ],
   webServer: {
-    command: "npm run dev",
+    // CI 에서는 프로덕션 빌드 서버(next start)를 대상으로 E2E 를 수행해
+    // dev 모드의 느린 HMR/StrictMode 2회 렌더로 인한 flakiness 를 줄인다.
+    command: isCI ? "npm run start:e2e" : "npm run dev",
     url: "http://localhost:3000",
-    reuseExistingServer: !process.env.CI,
+    reuseExistingServer: !isCI,
     timeout: 120_000,
   },
 });

prisma/migrations/20251130171523_add_user_model/migration.sql

@@ -0,0 +1,20 @@
+-- AlterTable
+ALTER TABLE "Project" ADD COLUMN     "userId" TEXT;
+
+-- CreateTable
+CREATE TABLE "User" (
+    "id" TEXT NOT NULL,
+    "email" TEXT NOT NULL,
+    "passwordHash" TEXT NOT NULL,
+    "tokenVersion" INTEGER NOT NULL DEFAULT 0,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "User_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_email_key" ON "User"("email");
+
+-- AddForeignKey
+ALTER TABLE "Project" ADD CONSTRAINT "Project_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE SET NULL ON UPDATE CASCADE;

prisma/migrations/20251201230729_add_form_submission/migration.sql

@@ -0,0 +1,19 @@
+-- CreateTable
+CREATE TABLE "FormSubmission" (
+    "id" TEXT NOT NULL,
+    "projectId" TEXT,
+    "projectSlug" TEXT NOT NULL,
+    "userId" TEXT,
+    "payloadJson" JSONB NOT NULL,
+    "sensitiveEnc" TEXT,
+    "metaJson" JSONB,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "FormSubmission_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "FormSubmission" ADD CONSTRAINT "FormSubmission_projectId_fkey" FOREIGN KEY ("projectId") REFERENCES "Project"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "FormSubmission" ADD CONSTRAINT "FormSubmission_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE SET NULL ON UPDATE CASCADE;

prisma/migrations/20251214184421_add_email_verification_fields/migration.sql

@@ -0,0 +1,13 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[emailVerifyToken]` on the table `User` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- AlterTable
+ALTER TABLE "User" ADD COLUMN     "emailVerified" BOOLEAN NOT NULL DEFAULT false,
+ADD COLUMN     "emailVerifyToken" TEXT,
+ADD COLUMN     "emailVerifyTokenExpiresAt" TIMESTAMP(3);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_emailVerifyToken_key" ON "User"("emailVerifyToken");

prisma/schema.prisma

@@ -5,8 +5,8 @@
 // Try Prisma Accelerate: https://pris.ly/cli/accelerate-init
 
 generator client {
-  provider = "prisma-client"
-  output   = "../src/generated/prisma"
+  provider      = "prisma-client-js"
+  binaryTargets = ["native", "linux-musl-arm64-openssl-3.0.x", "linux-arm64-openssl-3.0.x"]
 }
 
 datasource db {
@@ -24,6 +24,28 @@ model Project {
   updatedAt   DateTime @updatedAt
 
   assets      Asset[]
+
+  formSubmissions FormSubmission[]
+
+  // 인증 도입을 위한 관계: 프로젝트는 특정 User 가 소유할 수 있다.
+  userId      String?
+  user        User?    @relation(fields: [userId], references: [id])
+}
+
+model User {
+  id           String   @id @default(uuid())
+  email        String   @unique
+  passwordHash String
+  tokenVersion Int      @default(0)
+  emailVerified Boolean @default(false)
+  emailVerifyToken String? @unique
+  emailVerifyTokenExpiresAt DateTime?
+  createdAt    DateTime @default(now())
+  updatedAt    DateTime @updatedAt
+
+  projects     Project[]
+
+  formSubmissions FormSubmission[]
 }
 
 model Asset {
@@ -42,3 +64,16 @@ enum ProjectStatus {
   PUBLISHED
   ARCHIVED
 }
+
+model FormSubmission {
+  id           String   @id @default(uuid())
+  project      Project? @relation(fields: [projectId], references: [id], onDelete: SetNull)
+  projectId    String?
+  projectSlug  String
+  user         User?    @relation(fields: [userId], references: [id], onDelete: SetNull)
+  userId       String?
+  payloadJson  Json
+  sensitiveEnc String?
+  metaJson     Json?
+  createdAt    DateTime @default(now())
+}

src/app/api/auth/change-email/route.ts

@@ -0,0 +1,86 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+
+import { verifyPassword, verifyAccessToken } from "@/features/auth/authCrypto";
+
+// /api/auth/change-email
+// - pb_access JWT 쿠키로 인증된 사용자의 이메일을 변경한다.
+// - 현재 비밀번호를 재입력 받아 검증한 뒤, 아직 사용되지 않은 새 이메일로 교체한다.
+
+const prisma = new PrismaClient();
+
+function extractTokenFromCookieHeader(cookieHeader: string | null): string | null {
+  if (!cookieHeader) return null;
+
+  const parts = cookieHeader.split(";");
+  for (const part of parts) {
+    const trimmed = part.trim();
+    if (trimmed.startsWith("pb_access=")) {
+      const value = trimmed.substring("pb_access=".length);
+      return decodeURIComponent(value);
+    }
+  }
+  return null;
+}
+
+export async function POST(request: Request) {
+  try {
+    const cookieHeader = request.headers.get("cookie");
+    const token = extractTokenFromCookieHeader(cookieHeader);
+
+    if (!token) {
+      return NextResponse.json({ message: "인증 정보가 없습니다." }, { status: 401 });
+    }
+
+    const payload = await verifyAccessToken(token);
+    if (!payload) {
+      return NextResponse.json({ message: "유효하지 않은 토큰입니다." }, { status: 401 });
+    }
+
+    const body = (await request.json().catch(() => null)) as any;
+    const newEmailRaw: string | undefined = body?.newEmail;
+    const password: string | undefined = body?.password;
+
+    if (typeof newEmailRaw !== "string" || typeof password !== "string") {
+      return NextResponse.json({ message: "newEmail 과 password 는 필수입니다." }, { status: 400 });
+    }
+
+    const newEmail = newEmailRaw.trim().toLowerCase();
+    if (!newEmail || !newEmail.includes("@")) {
+      return NextResponse.json({ message: "유효한 이메일 주소를 입력해주세요." }, { status: 400 });
+    }
+
+    const user = await prisma.user.findUnique({ where: { id: payload.sub } });
+    if (!user) {
+      return NextResponse.json({ message: "사용자를 찾을 수 없습니다." }, { status: 401 });
+    }
+
+    const ok = await verifyPassword(password, (user as any).passwordHash);
+    if (!ok) {
+      return NextResponse.json({ message: "비밀번호가 일치하지 않습니다." }, { status: 401 });
+    }
+
+    // 이미 다른 유저가 사용 중인 이메일인지 확인한다.
+    const existing = await prisma.user.findUnique({ where: { email: newEmail } });
+    if (existing && existing.id !== user.id) {
+      return NextResponse.json({ message: "이미 사용 중인 이메일입니다." }, { status: 409 });
+    }
+
+    const updated = await prisma.user.update({
+      where: { id: user.id },
+      data: {
+        email: newEmail,
+      },
+    });
+
+    return NextResponse.json(
+      { message: "이메일이 변경되었습니다.", email: (updated as any).email },
+      { status: 200 },
+    );
+  } catch (error: any) {
+    return NextResponse.json(
+      { message: "이메일 변경 중 오류가 발생했습니다.", error: error?.message },
+      { status: 500 },
+    );
+  }
+}

src/app/api/auth/change-password/route.ts

@@ -0,0 +1,96 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+
+import { verifyPassword, hashPassword, signAccessToken, verifyAccessToken } from "@/features/auth/authCrypto";
+
+// /api/auth/change-password
+// - pb_access JWT 쿠키로 인증된 사용자의 비밀번호를 변경한다.
+// - 현재 비밀번호를 한 번 더 입력받아 검증한 뒤, 새 비밀번호로 passwordHash 를 교체하고 tokenVersion 을 증가시킨다.
+
+const prisma = new PrismaClient();
+
+function extractTokenFromCookieHeader(cookieHeader: string | null): string | null {
+  if (!cookieHeader) return null;
+
+  const parts = cookieHeader.split(";");
+  for (const part of parts) {
+    const trimmed = part.trim();
+    if (trimmed.startsWith("pb_access=")) {
+      const value = trimmed.substring("pb_access=".length);
+      return decodeURIComponent(value);
+    }
+  }
+  return null;
+}
+
+export async function POST(request: Request) {
+  try {
+    const cookieHeader = request.headers.get("cookie");
+    const token = extractTokenFromCookieHeader(cookieHeader);
+
+    if (!token) {
+      return NextResponse.json({ message: "인증 정보가 없습니다." }, { status: 401 });
+    }
+
+    const payload = await verifyAccessToken(token);
+    if (!payload) {
+      return NextResponse.json({ message: "유효하지 않은 토큰입니다." }, { status: 401 });
+    }
+
+    const body = (await request.json().catch(() => null)) as any;
+    const currentPassword: string | undefined = body?.currentPassword;
+    const newPassword: string | undefined = body?.newPassword;
+
+    if (typeof currentPassword !== "string" || typeof newPassword !== "string") {
+      return NextResponse.json({ message: "currentPassword 와 newPassword 는 필수입니다." }, { status: 400 });
+    }
+
+    const user = await prisma.user.findUnique({ where: { id: payload.sub } });
+    if (!user) {
+      return NextResponse.json({ message: "사용자를 찾을 수 없습니다." }, { status: 401 });
+    }
+
+    const ok = await verifyPassword(currentPassword, (user as any).passwordHash);
+    if (!ok) {
+      return NextResponse.json({ message: "현재 비밀번호가 일치하지 않습니다." }, { status: 401 });
+    }
+
+    if (newPassword.length < 8) {
+      return NextResponse.json({ message: "비밀번호는 최소 8자 이상이어야 합니다." }, { status: 400 });
+    }
+
+    const newHash = await hashPassword(newPassword);
+
+    const updated = await prisma.user.update({
+      where: { id: user.id },
+      data: {
+        passwordHash: newHash,
+        tokenVersion: (user as any).tokenVersion + 1,
+      },
+    });
+
+    const newToken = await signAccessToken({
+      id: updated.id,
+      email: (updated as any).email,
+      tokenVersion: (updated as any).tokenVersion,
+      emailVerified: (updated as any).emailVerified ?? false,
+    });
+
+    const res = NextResponse.json({ message: "비밀번호가 변경되었습니다." }, { status: 200 });
+
+    res.cookies.set("pb_access", newToken, {
+      httpOnly: true,
+      secure: true,
+      sameSite: "lax",
+      path: "/",
+      maxAge: 7 * 24 * 60 * 60,
+    });
+
+    return res;
+  } catch (error: any) {
+    return NextResponse.json(
+      { message: "비밀번호 변경 중 오류가 발생했습니다.", error: error?.message },
+      { status: 500 },
+    );
+  }
+}

src/app/api/auth/login/route.ts

@@ -0,0 +1,61 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+
+import { verifyPassword, signAccessToken } from "@/features/auth/authCrypto";
+
+// /api/auth/login
+// - 이메일/비밀번호를 검증해 로그인시키고,
+// - JWT 액세스 토큰을 httpOnly 쿠키에 설정한 뒤, 비밀번호 해시를 제외한 유저 정보를 반환한다.
+
+const prisma = new PrismaClient();
+
+export async function POST(request: Request) {
+  try {
+    const body = await request.json().catch(() => null as any);
+
+    const emailRaw = body?.email;
+    const password: string | undefined = body?.password;
+
+    if (typeof emailRaw !== "string" || typeof password !== "string") {
+      return NextResponse.json({ message: "email 과 password 는 필수입니다." }, { status: 400 });
+    }
+
+    const email = emailRaw.trim().toLowerCase();
+
+    const user = await prisma.user.findUnique({ where: { email } });
+    if (!user) {
+      return NextResponse.json({ message: "이메일 또는 비밀번호가 올바르지 않습니다." }, { status: 401 });
+    }
+
+    const ok = await verifyPassword(password, user.passwordHash);
+    if (!ok) {
+      return NextResponse.json({ message: "이메일 또는 비밀번호가 올바르지 않습니다." }, { status: 401 });
+    }
+
+    const token = await signAccessToken({
+      id: user.id,
+      email: user.email,
+      tokenVersion: user.tokenVersion,
+      emailVerified: (user as any).emailVerified ?? false,
+    });
+
+    const { passwordHash: _ph, ...safeUser } = user;
+
+    const res = NextResponse.json(safeUser, { status: 200 });
+
+    res.cookies.set("pb_access", token, {
+      httpOnly: true,
+      secure: true,
+      sameSite: "lax",
+      path: "/",
+      maxAge: 7 * 24 * 60 * 60,
+    });
+
+    return res;
+  } catch (error: any) {
+    return NextResponse.json(
+      { message: "로그인 처리 중 오류가 발생했습니다.", error: error?.message },
+      { status: 500 },
+    );
+  }
+}

src/app/api/auth/logout/route.ts

@@ -0,0 +1,19 @@
+import { NextResponse } from "next/server";
+
+// /api/auth/logout
+// - 클라이언트의 pb_access 세션 쿠키를 제거해 로그아웃을 수행한다.
+
+export async function POST(_request: Request) {
+  const res = NextResponse.json({ message: "로그아웃 되었습니다." }, { status: 200 });
+
+  // pb_access 쿠키를 즉시 만료시켜 로그아웃 상태로 만든다.
+  res.cookies.set("pb_access", "", {
+    httpOnly: true,
+    secure: true,
+    sameSite: "lax",
+    path: "/",
+    maxAge: 0,
+  });
+
+  return res;
+}

src/app/api/auth/me/route.ts

@@ -0,0 +1,56 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+
+import { verifyAccessToken } from "@/features/auth/authCrypto";
+
+// /api/auth/me
+// - 요청 쿠키에 포함된 JWT(pb_access)를 검증하고,
+// - 유효한 경우 JWT 의 sub(id) 를 기준으로 실제 DB(User) 에서 최신 유저 정보를 조회해 반환한다.
+// - 이렇게 하면 emailVerified 와 같은 필드가 브라우저/세션에 관계없이 항상 DB 기준으로 일관되게 반영된다.
+
+const prisma = new PrismaClient();
+
+function extractTokenFromCookieHeader(cookieHeader: string | null): string | null {
+  if (!cookieHeader) return null;
+
+  const parts = cookieHeader.split(";");
+  for (const part of parts) {
+    const trimmed = part.trim();
+    if (trimmed.startsWith("pb_access=")) {
+      const value = trimmed.substring("pb_access=".length);
+      return decodeURIComponent(value);
+    }
+  }
+  return null;
+}
+
+export async function GET(request: Request) {
+  const cookieHeader = request.headers.get("cookie");
+  const token = extractTokenFromCookieHeader(cookieHeader);
+
+  if (!token) {
+    return NextResponse.json({ message: "인증 정보가 없습니다." }, { status: 401 });
+  }
+
+  const payload = await verifyAccessToken(token);
+
+  if (!payload) {
+    return NextResponse.json({ message: "유효하지 않은 토큰입니다." }, { status: 401 });
+  }
+
+  // JWT 에서 식별한 ID 를 기준으로 실제 User 를 조회해 최신 정보를 사용한다.
+  const dbUser = await prisma.user.findUnique({ where: { id: payload.sub } });
+
+  if (!dbUser) {
+    return NextResponse.json({ message: "사용자를 찾을 수 없습니다." }, { status: 401 });
+  }
+
+  const user = {
+    id: dbUser.id,
+    email: dbUser.email,
+    tokenVersion: (dbUser as any).tokenVersion,
+    emailVerified: (dbUser as any).emailVerified ?? false,
+  };
+
+  return NextResponse.json(user, { status: 200 });
+}

src/app/api/auth/request-email-verification/route.ts

@@ -0,0 +1,77 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+import { randomBytes } from "crypto";
+
+import { verifyAccessToken } from "@/features/auth/authCrypto";
+import { sendVerificationEmail } from "@/features/email/sendVerificationEmail";
+
+// /api/auth/request-email-verification
+// - pb_access JWT 쿠키로 인증된 사용자의 이메일 인증 토큰을 새로 발급한다.
+// - 개발 모드에서는 verificationToken 을 응답 바디에 포함해 테스트에서 사용할 수 있도록 한다.
+
+const prisma = new PrismaClient();
+
+function extractTokenFromCookieHeader(cookieHeader: string | null): string | null {
+  if (!cookieHeader) return null;
+
+  const parts = cookieHeader.split(";");
+  for (const part of parts) {
+    const trimmed = part.trim();
+    if (trimmed.startsWith("pb_access=")) {
+      const value = trimmed.substring("pb_access=".length);
+      return decodeURIComponent(value);
+    }
+  }
+  return null;
+}
+
+export async function POST(request: Request) {
+  try {
+    const cookieHeader = request.headers.get("cookie");
+    const token = extractTokenFromCookieHeader(cookieHeader);
+
+    if (!token) {
+      return NextResponse.json({ message: "인증 정보가 없습니다." }, { status: 401 });
+    }
+
+    const payload = await verifyAccessToken(token);
+    if (!payload) {
+      return NextResponse.json({ message: "유효하지 않은 토큰입니다." }, { status: 401 });
+    }
+
+    const user = await prisma.user.findUnique({ where: { id: payload.sub } });
+    if (!user) {
+      return NextResponse.json({ message: "사용자를 찾을 수 없습니다." }, { status: 401 });
+    }
+
+    const verificationToken = randomBytes(32).toString("hex");
+    const expiresAt = new Date(Date.now() + 60 * 60 * 1000); // 1 hour
+
+    await prisma.user.update({
+      where: { id: user.id },
+      data: {
+        emailVerifyToken: verificationToken,
+        emailVerifyTokenExpiresAt: expiresAt,
+      },
+    });
+
+    // 이메일 인증 링크를 Gmail SMTP 를 통해 전송한다.
+    await sendVerificationEmail({
+      to: (user as any).email,
+      token: verificationToken,
+    });
+
+    return NextResponse.json(
+      {
+        message: "이메일 인증 토큰이 생성되었습니다.",
+        verificationToken,
+      },
+      { status: 200 },
+    );
+  } catch (error: any) {
+    return NextResponse.json(
+      { message: "이메일 인증 토큰 생성 중 오류가 발생했습니다.", error: error?.message },
+      { status: 500 },
+    );
+  }
+}

src/app/api/auth/signup/route.ts

@@ -0,0 +1,72 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+
+import { hashPassword, signAccessToken } from "@/features/auth/authCrypto";
+
+// /api/auth/signup
+// - 이메일/비밀번호를 받아 새 유저를 생성하고,
+// - JWT 액세스 토큰을 httpOnly 쿠키에 설정한 뒤, 비밀번호 해시를 제외한 유저 정보를 반환한다.
+
+const prisma = new PrismaClient();
+
+export async function POST(request: Request) {
+  try {
+    const body = await request.json().catch(() => null as any);
+
+    const emailRaw = body?.email;
+    const password: string | undefined = body?.password;
+
+    if (typeof emailRaw !== "string" || typeof password !== "string") {
+      return NextResponse.json({ message: "email 과 password 는 필수입니다." }, { status: 400 });
+    }
+
+    const email = emailRaw.trim().toLowerCase();
+
+    if (password.length < 8) {
+      return NextResponse.json({ message: "비밀번호는 최소 8자 이상이어야 합니다." }, { status: 400 });
+    }
+
+    // 이미 존재하는 이메일인지 확인한다.
+    const existing = await prisma.user.findUnique({ where: { email } });
+    if (existing) {
+      return NextResponse.json({ message: "이미 가입된 이메일입니다." }, { status: 409 });
+    }
+
+    // 비밀번호를 해시한 뒤 유저를 생성한다.
+    const passwordHash = await hashPassword(password);
+
+    const user = await prisma.user.create({
+      data: {
+        email,
+        passwordHash,
+        tokenVersion: 1,
+      },
+    });
+
+    const token = await signAccessToken({
+      id: user.id,
+      email: user.email,
+      tokenVersion: user.tokenVersion,
+      emailVerified: (user as any).emailVerified ?? false,
+    });
+
+    const { passwordHash: _ph, ...safeUser } = user;
+
+    const res = NextResponse.json(safeUser, { status: 201 });
+
+    res.cookies.set("pb_access", token, {
+      httpOnly: true,
+      secure: true,
+      sameSite: "lax",
+      path: "/",
+      maxAge: 7 * 24 * 60 * 60,
+    });
+
+    return res;
+  } catch (error: any) {
+    return NextResponse.json(
+      { message: "회원가입 처리 중 오류가 발생했습니다.", error: error?.message },
+      { status: 500 },
+    );
+  }
+}

src/app/api/auth/verify-email/route.ts

@@ -0,0 +1,65 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+
+import { signAccessToken } from "@/features/auth/authCrypto";
+
+// /api/auth/verify-email
+// - 이메일 인증 토큰을 검증하고, 성공 시 emailVerified 를 true 로 설정한다.
+// - 토큰이 없거나 잘못되었거나 만료된 경우 400 을 반환한다.
+
+const prisma = new PrismaClient();
+
+export async function GET(request: Request) {
+  try {
+    const url = new URL(request.url);
+    const token = url.searchParams.get("token");
+
+    if (!token) {
+      return NextResponse.json({ message: "이메일 인증 토큰이 없습니다." }, { status: 400 });
+    }
+
+    const user = await prisma.user.findUnique({ where: { emailVerifyToken: token } });
+
+    if (!user) {
+      return NextResponse.json({ message: "유효하지 않은 이메일 인증 토큰입니다." }, { status: 400 });
+    }
+
+    const expiresAt = (user as any).emailVerifyTokenExpiresAt as Date | null;
+    if (!expiresAt || expiresAt.getTime() < Date.now()) {
+      return NextResponse.json({ message: "이메일 인증 토큰이 만료되었거나 유효하지 않습니다." }, { status: 400 });
+    }
+
+    const updated = await prisma.user.update({
+      where: { id: user.id },
+      data: {
+        emailVerified: true,
+        emailVerifyToken: null,
+        emailVerifyTokenExpiresAt: null,
+      },
+    });
+
+    const newToken = await signAccessToken({
+      id: updated.id,
+      email: (updated as any).email,
+      tokenVersion: (updated as any).tokenVersion,
+      emailVerified: true,
+    });
+
+    // 인증 완료 후 마이페이지로 리다이렉트하면서, pb_access 쿠키도 갱신한다.
+    const redirectUrl = new URL("/mypage", request.url);
+    const res = NextResponse.redirect(redirectUrl);
+    res.cookies.set("pb_access", newToken, {
+      httpOnly: true,
+      secure: true,
+      sameSite: "lax",
+      path: "/",
+      maxAge: 7 * 24 * 60 * 60,
+    });
+    return res;
+  } catch (error: any) {
+    return NextResponse.json(
+      { message: "이메일 인증 처리 중 오류가 발생했습니다.", error: error?.message },
+      { status: 500 },
+    );
+  }
+}

src/app/api/dashboard/overview/route.ts

@@ -0,0 +1,220 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+import { verifyAccessToken } from "@/features/auth/authCrypto";
+
+// 대시보드 개요 API (/api/dashboard/overview)
+// - 로그인한 사용자의 프로젝트/폼 제출 통계를 집계해 요약/프로젝트별 지표를 반환한다.
+// - DB 스키마: Project, FormSubmission
+// - 인증: pb_access 쿠키(JWT)를 검증해 현재 사용자 식별
+
+const prisma = new PrismaClient();
+
+interface AuthUser {
+  id: string;
+  email: string;
+  tokenVersion: number;
+}
+
+// 공통: pb_access 쿠키에서 JWT 토큰을 추출한다.
+function extractTokenFromCookieHeader(cookieHeader: string | null): string | null {
+  if (!cookieHeader) return null;
+
+  const parts = cookieHeader.split(";");
+  for (const part of parts) {
+    const trimmed = part.trim();
+    if (trimmed.startsWith("pb_access=")) {
+      const value = trimmed.substring("pb_access=".length);
+      return decodeURIComponent(value);
+    }
+  }
+  return null;
+}
+
+// 공통: Request 헤더의 쿠키에서 인증된 유저 정보를 복원한다.
+async function getAuthUserFromRequest(request: Request): Promise<AuthUser | null> {
+  const cookieHeader = request.headers.get("cookie");
+  const token = extractTokenFromCookieHeader(cookieHeader);
+  if (!token) return null;
+
+  const payload = await verifyAccessToken(token);
+  if (!payload) return null;
+
+  return {
+    id: payload.sub,
+    email: payload.email,
+    tokenVersion: payload.tokenVersion,
+  };
+}
+
+interface SummaryStats {
+  totalProjects: number;
+  totalSubmissions: number;
+  todaySubmissions: number;
+  last7DaysSubmissions: number;
+}
+
+interface DailySubmissionItem {
+  // 일별 제출 수 그래프를 위한 집계 데이터
+  date: string; // YYYY-MM-DD (UTC 기준)
+  count: number;
+}
+
+interface ProjectStatsItem {
+  projectId: string;
+  title: string;
+  slug: string;
+  status: string;
+  totalSubmissions: number;
+  lastSubmissionAt: string | null;
+}
+
+// GET /api/dashboard/overview
+// - 현재 로그인 사용자의 프로젝트 목록/폼 제출 내역을 조회해 통계를 계산한다.
+export async function GET(request: Request) {
+  const authUser = await getAuthUserFromRequest(request);
+  if (!authUser) {
+    return NextResponse.json(
+      { message: "대시보드를 조회하려면 로그인이 필요합니다." },
+      { status: 401 },
+    );
+  }
+
+  try {
+    // 현재 사용자 소유 프로젝트와, 해당 사용자가 소유한 제출 내역을 한 번에 로드한다.
+    const [projects, submissions] = await Promise.all([
+      prisma.project.findMany({
+        where: { userId: authUser.id },
+        select: {
+          id: true,
+          title: true,
+          slug: true,
+          status: true,
+        },
+      }),
+      prisma.formSubmission.findMany({
+        where: { userId: authUser.id },
+        select: {
+          id: true,
+          projectId: true,
+          projectSlug: true,
+          createdAt: true,
+        },
+      }),
+    ]);
+
+    const totalProjects = projects.length;
+    const totalSubmissions = submissions.length;
+
+    // 오늘/최근 7일 기준 시각 계산
+    const now = new Date();
+    const startOfToday = new Date(now);
+    startOfToday.setHours(0, 0, 0, 0);
+    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
+
+    let todaySubmissions = 0;
+    let last7DaysSubmissions = 0;
+
+    for (const submission of submissions) {
+      const createdAt = submission.createdAt instanceof Date
+        ? submission.createdAt
+        : new Date(submission.createdAt as unknown as string);
+
+      if (createdAt >= startOfToday) {
+        todaySubmissions += 1;
+      }
+
+      if (createdAt >= sevenDaysAgo) {
+        last7DaysSubmissions += 1;
+      }
+    }
+
+    // 프로젝트별 통계 맵을 구성한다.
+    const statsByProjectId = new Map<
+      string,
+      {
+        projectId: string;
+        title: string;
+        slug: string;
+        status: string;
+        totalSubmissions: number;
+        lastSubmissionAt: Date | null;
+      }
+    >();
+
+    for (const project of projects) {
+      statsByProjectId.set(project.id, {
+        projectId: project.id,
+        title: project.title,
+        slug: project.slug,
+        status: project.status,
+        totalSubmissions: 0,
+        lastSubmissionAt: null,
+      });
+    }
+
+    for (const submission of submissions) {
+      const stat = submission.projectId ? statsByProjectId.get(submission.projectId) : null;
+      if (!stat) continue;
+
+      stat.totalSubmissions += 1;
+
+      const createdAt = submission.createdAt instanceof Date
+        ? submission.createdAt
+        : new Date(submission.createdAt as unknown as string);
+
+      if (!stat.lastSubmissionAt || createdAt > stat.lastSubmissionAt) {
+        stat.lastSubmissionAt = createdAt;
+      }
+    }
+
+    const projectStats: ProjectStatsItem[] = Array.from(statsByProjectId.values()).map((item) => ({
+      projectId: item.projectId,
+      title: item.title,
+      slug: item.slug,
+      status: item.status,
+      totalSubmissions: item.totalSubmissions,
+      lastSubmissionAt: item.lastSubmissionAt ? item.lastSubmissionAt.toISOString() : null,
+    }));
+
+    const summaryStats: SummaryStats = {
+      totalProjects,
+      totalSubmissions,
+      todaySubmissions,
+      last7DaysSubmissions,
+    };
+
+    // 일별 전체 제출 수를 집계해 그래프용 데이터로 변환한다.
+    const countsByDate = new Map<string, number>();
+
+    for (const submission of submissions) {
+      const createdAt = submission.createdAt instanceof Date
+        ? submission.createdAt
+        : new Date(submission.createdAt as unknown as string);
+
+      const dateKey = createdAt.toISOString().slice(0, 10); // YYYY-MM-DD
+      const prev = countsByDate.get(dateKey) ?? 0;
+      countsByDate.set(dateKey, prev + 1);
+    }
+
+    const dailySubmissions: DailySubmissionItem[] = Array.from(countsByDate.entries())
+      .map(([date, count]) => ({ date, count }))
+      .sort((a, b) => a.date.localeCompare(b.date));
+
+    return NextResponse.json(
+      {
+        summaryStats,
+        projectStats,
+        dailySubmissions,
+      },
+      { status: 200 },
+    );
+  } catch (error: any) {
+    return NextResponse.json(
+      {
+        message: "대시보드 데이터를 계산하는 중 오류가 발생했습니다.",
+        error: error?.message,
+      },
+      { status: 500 },
+    );
+  }
+}

src/app/api/export/preview/route.ts

@@ -0,0 +1,38 @@
+import { NextResponse } from "next/server";
+import type { Block, ProjectConfig } from "@/features/editor/state/editorStore";
+import { buildStaticHtml } from "@/app/api/export/route";
+
+// /api/export/preview 라우트는 Export 결과 HTML 을 ZIP 없이 바로 반환하는
+// 경량 프리뷰용 엔드포인트이다. 에디터에서 Export 미리보기 UX 를 제공하기 위해 사용한다.
+
+type PreviewRequestBody = {
+  blocks: Block[];
+  projectConfig?: ProjectConfig;
+};
+
+export async function POST(request: Request) {
+  let body: PreviewRequestBody;
+
+  try {
+    // JSON 본문을 파싱해서 blocks + projectConfig 를 추출한다.
+    body = (await request.json()) as PreviewRequestBody;
+  } catch {
+    // 잘못된 JSON 요청에 대해서는 400 에러를 반환한다.
+    return NextResponse.json({ message: "잘못된 JSON 요청입니다." }, { status: 400 });
+  }
+
+  const blocks = Array.isArray(body.blocks) ? body.blocks : [];
+  const projectConfig = body.projectConfig;
+
+  // Export 본문 HTML 은 기존 buildStaticHtml 을 재사용해서 생성한다.
+  // 이렇게 하면 /api/export ZIP 라우트와 동일한 정적 HTML 을 얻을 수 있다.
+  const html = buildStaticHtml(blocks, projectConfig);
+
+  // Export 미리보기는 ZIP 이 아니라 순수 HTML 문자열을 반환한다.
+  return new NextResponse(html, {
+    status: 200,
+    headers: {
+      "Content-Type": "text/html; charset=utf-8",
+    },
+  });
+}

src/app/api/export/route.ts

@@ -81,8 +81,10 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
   const basePart = "margin:0 auto;padding:24px;box-sizing:border-box;";
   const canvasStyle = `${widthPart}${bgPart}${basePart}`;
 
-  const bodyBgRaw = (projectConfig?.bodyBgColorHex ?? "#020617").trim() || "#020617";
-  const bodyStyle = `background-color:${bodyBgRaw};margin:0;padding:0;`;
+  const bodyBgRaw =
+    typeof projectConfig?.bodyBgColorHex === "string" ? projectConfig.bodyBgColorHex.trim() : "";
+  const bodyBgPart = bodyBgRaw ? `background-color:${bodyBgRaw};` : "";
+  const bodyStyle = `${bodyBgPart}margin:0;padding:0;`;
   const trackingRaw = (projectConfig?.trackingScript ?? "").trim();
   const trackingHtml = trackingRaw ? `\n${trackingRaw}\n` : "";
 
@@ -143,11 +145,8 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
     );
   }
 
-  if (seoCanonicalRaw) {
-    seoHeadParts.push(
-      `    <link rel="canonical" href="${escapeAttr(seoCanonicalRaw)}" />`,
-    );
-  }
+  // canonical URL 은 Export HTML 에서는 meta property="og:url" 로만 사용하고,
+  // 별도의 <link rel="canonical"> 태그는 생성하지 않는다.
 
   if (seoNoIndex) {
     seoHeadParts.push(
@@ -160,6 +159,50 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
   const sectionBlocks = blocks.filter((b) => b.type === "section");
   const rootBlocks = blocks.filter((b) => !b.sectionId && b.type !== "section");
 
+  // Form 컨트롤러(FormBlock)와 개별 필드 블록(formInput/formSelect/...) 를 연결하기 위한 맵.
+  // - fieldIdToFormId: key = 필드 블록 id (fieldIds 에 포함된 id), value = <form> 요소의 DOM id
+  // - formBlockIdToFormDomId: key = FormBlock id, value = <form> 요소의 DOM id
+  const fieldIdToFormId = new Map<string, string>();
+  const formBlockIdToFormDomId = new Map<string, string>();
+  const submitButtonIdToFormDomId = new Map<string, string>();
+  const requiredFieldIdSet = new Set<string>();
+  // 테스트 및 기존 Export HTML 과의 호환성을 위해 FormBlock 의 DOM id 규칙을 다음과 같이 정의한다.
+  // - block.id 가 "form_숫자" 패턴이면 기존과 동일하게 formDomId = `form_${block.id}` (예: form_1 → form_form_1)
+  // - 그 외의 id 에 대해서는 pb_form_N 패턴을 사용해, form="..." 값에 우연히 "required" 같은 단어가 포함되지 않도록 한다.
+  let fallbackFormIndex = 1;
+  for (const block of blocks) {
+    if (block.type !== "form") continue;
+    const props = (block.props ?? {}) as FormBlockProps;
+    const fieldIds = Array.isArray(props.fieldIds) ? props.fieldIds : [];
+    if (fieldIds.length === 0) continue;
+
+    let formDomId: string;
+    if (typeof block.id === "string" && /^form_\d+$/.test(block.id)) {
+      formDomId = `form_${block.id}`;
+    } else {
+      formDomId = `pb_form_${fallbackFormIndex++}`;
+    }
+
+    formBlockIdToFormDomId.set(block.id, formDomId);
+    for (const fieldId of fieldIds) {
+      if (typeof fieldId === "string" && fieldId.trim() !== "") {
+        fieldIdToFormId.set(fieldId, formDomId);
+      }
+    }
+
+    const submitButtonIdRaw = props.submitButtonId;
+    if (typeof submitButtonIdRaw === "string" && submitButtonIdRaw.trim() !== "") {
+      submitButtonIdToFormDomId.set(submitButtonIdRaw, formDomId);
+    }
+
+    const requiredFieldIds = Array.isArray(props.requiredFieldIds) ? props.requiredFieldIds : [];
+    for (const fieldId of requiredFieldIds) {
+      if (typeof fieldId === "string" && fieldId.trim() !== "") {
+        requiredFieldIdSet.add(fieldId);
+      }
+    }
+  }
+
   const renderBlock = (block: Block): string => {
     if (block.type === "text") {
       const props = (block.props ?? {}) as TextBlockProps;
@@ -222,6 +265,9 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
         widthPx: props.widthPx ?? undefined,
         paddingX: props.paddingX ?? undefined,
         paddingY: props.paddingY ?? undefined,
+        fontSizeCustom: props.fontSizeCustom ?? undefined,
+        lineHeightCustom: props.lineHeightCustom ?? undefined,
+        letterSpacingCustom: props.letterSpacingCustom ?? undefined,
         fillColorCustom: props.fillColorCustom ?? undefined,
         strokeColorCustom: props.strokeColorCustom ?? undefined,
         textColorCustom: props.textColorCustom ?? undefined,
@@ -233,9 +279,26 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
         .filter(Boolean)
         .join(" ");
 
+      let innerHtml = escapeHtml(label);
+
+      if (typeof (props as any).imageSrc === "string" && (props as any).imageSrc.trim() !== "") {
+        const imgSrc = escapeAttr((props as any).imageSrc.trim());
+        const altRaw = (props as any).imageAlt as string | undefined;
+        const altValue = altRaw && altRaw.trim() !== "" ? altRaw.trim() : label;
+        const imgAlt = escapeAttr(altValue);
+        innerHtml = `<img src="${imgSrc}" alt="${imgAlt}" />${innerHtml}`;
+      }
+
+      const submitFormId = submitButtonIdToFormDomId.get(block.id);
+      if (submitFormId) {
+        return `<div class="${tokens.alignClass}"><button type="submit" form="${escapeAttr(
+          submitFormId,
+        )}" class="${btnClasses}"${styleAttr}>${innerHtml}</button></div>`;
+      }
+
       return `<div class="${tokens.alignClass}"><a href="${escapeAttr(
         href,
-      )}" class="${btnClasses}"${styleAttr}>${escapeHtml(label)}</a></div>`;
+      )}" class="${btnClasses}"${styleAttr}>${innerHtml}</a></div>`;
     }
 
     if (block.type === "video") {
@@ -316,107 +379,43 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
       const props = (block.props ?? {}) as FormBlockProps;
       const tokens = computeFormBlockExportTokens(block, blocks);
       const controllerFields = tokens.hasControllerFields ? tokens.controllerFields : [];
-      const fallbackFields = tokens.fallbackFields;
 
       const hasControllerFields = controllerFields.length > 0;
-      const hasFallbackFields = fallbackFields.length > 0;
 
-      // FormBlock 이 컨트롤러/필드 정보를 전혀 가지고 있지 않으면 정적 HTML 에서는 아무 것도 렌더하지 않는다.
-      if (!hasControllerFields && !hasFallbackFields) {
+      // FormBlock 이 컨트롤러 필드 정보를 전혀 가지고 있지 않으면
+      // Export 레이어에서는 아무 것도 렌더하지 않는다 (fallback fields 기반 pb-form 도 생성하지 않음).
+      if (!hasControllerFields) {
         return "";
       }
 
-      const formParts: string[] = [];
-      const formStyleAttr = tokens.formStyleParts.length > 0 ? ` style="${tokens.formStyleParts.join(";")}"` : "";
+      // 컨트롤러 전용 FormBlock: fieldIds 기반으로 개별 필드 블록과 연결되는 순수 컨트롤러 폼만 생성한다.
+      // - Export 에서는 레이아웃/스타일 대신 id/메서드/액션만 가지는 최소한의 <form> 요소만 만든다.
+      // - action 은 퍼블릭 페이지에서 우리 서버의 forms/submit 엔드포인트로 전송하기 위한 고정 경로다.
+      const formId = formBlockIdToFormDomId.get(block.id) ?? `form_${block.id}`;
+      const method = props.method ?? "POST";
+      const methodAttr = ` method="${method.toLowerCase()}"`;
+      const actionAttr = ` action="/api/forms/submit"`;
 
-      formParts.push(`<form class="pb-form" method="post"${formStyleAttr}>`);
+      // 정적 Export 에서도 FormBlock 설정(전송 대상/웹훅 설정 등)을 함께 전달할 수 있도록
+      // preview 렌더러와 동일하게 __config hidden 필드에 FormBlockProps 전체를 JSON 으로 담아둔다.
+      const configJson = JSON.stringify(props ?? {});
+      const escapedConfig = escapeAttr(configJson);
 
-      if (hasControllerFields) {
-        for (const fieldBlock of controllerFields) {
-          const anyProps: any = fieldBlock.props ?? {};
-          const name = typeof anyProps.formFieldName === "string" ? anyProps.formFieldName : fieldBlock.id;
-          const label =
-            typeof anyProps.label === "string" || typeof anyProps.groupLabel === "string"
-              ? (anyProps.label ?? anyProps.groupLabel)
-              : name;
+      const projectSlugRaw = (projectConfig?.slug ?? "").trim();
+      const projectSlugValue = projectSlugRaw !== "" ? projectSlugRaw : "";
 
-          const textColorRaw =
-            typeof anyProps.textColorCustom === "string" && anyProps.textColorCustom.trim() !== ""
-              ? anyProps.textColorCustom.trim()
-              : "";
-          const labelStyleAttr = textColorRaw ? ` style="color:${escapeAttr(textColorRaw)}"` : "";
-          const fieldTextStyleAttr = textColorRaw ? ` style="color:${escapeAttr(textColorRaw)}"` : "";
-
-          formParts.push(`<div class="pb-form-field">`);
-          formParts.push(`<label class="pb-form-label"${labelStyleAttr}>${escapeHtml(label ?? "")}</label>`);
-
-          if (fieldBlock.type === "formInput") {
-            const type = anyProps.inputType === "email" ? "email" : "text";
-            const required = anyProps.required ? " required" : "";
-            formParts.push(
-              `<input class="pb-input" type="${type}" name="${escapeAttr(name)}" placeholder="${escapeAttr(
-                label ?? "",
-              )}"${required}${fieldTextStyleAttr} />`,
-            );
-          } else if (fieldBlock.type === "formSelect") {
-            const required = anyProps.required ? " required" : "";
-            const options: FormSelectOption[] = Array.isArray(anyProps.options) ? anyProps.options : [];
-            formParts.push(`<select class="pb-select" name="${escapeAttr(name)}"${required}${fieldTextStyleAttr}>`);
-            for (const opt of options) {
-              formParts.push(
-                `<option value="${escapeAttr(opt.value)}">${escapeHtml(opt.label)}</option>`,
-              );
-            }
-            formParts.push(`</select>`);
-          } else if (fieldBlock.type === "formCheckbox") {
-            const options = Array.isArray(anyProps.options) ? anyProps.options : [];
-            for (const opt of options) {
-              formParts.push(
-                `<label class="pb-form-option"${fieldTextStyleAttr}><input type="checkbox" name="${escapeAttr(
-                  name,
-                )}" value="${escapeAttr(opt.value)}" /> ${escapeHtml(opt.label)}</label>`,
-              );
-            }
-          } else if (fieldBlock.type === "formRadio") {
-            const options = Array.isArray(anyProps.options) ? anyProps.options : [];
-            for (const opt of options) {
-              formParts.push(
-                `<label class="pb-form-option"${fieldTextStyleAttr}><input type="radio" name="${escapeAttr(
-                  name,
-                )}" value="${escapeAttr(opt.value)}" /> ${escapeHtml(opt.label)}</label>`,
-              );
-            }
-          }
-
-          formParts.push(`</div>`);
-        }
-      } else if (hasFallbackFields) {
-        for (const field of fallbackFields) {
-          const required = field.required ? " required" : "";
-          const label = field.label ?? field.name;
-          formParts.push(`<div class="pb-form-field">`);
-          formParts.push(`<label class="pb-form-label">${escapeHtml(label)}</label>`);
-          if (field.type === "textarea") {
-            formParts.push(
-              `<textarea class="pb-textarea" name="${escapeAttr(field.name)}" placeholder="${escapeAttr(
-                label,
-              )}"${required}></textarea>`,
-            );
-          } else {
-            formParts.push(
-              `<input class="pb-input" type="${field.type}" name="${escapeAttr(
-                field.name,
-              )}" placeholder="${escapeAttr(label)}"${required} />`,
-            );
-          }
-          formParts.push(`</div>`);
-        }
+      const parts: string[] = [];
+      parts.push(
+        `<form id="${escapeAttr(formId)}" class="pb-form-controller"${methodAttr}${actionAttr}>`,
+      );
+      parts.push(`<input type="hidden" name="__config" value="${escapedConfig}" />`);
+      if (projectSlugValue) {
+        parts.push(
+          `<input type="hidden" name="__projectSlug" value="${escapeAttr(projectSlugValue)}" />`,
+        );
       }
-
-      formParts.push(`<button type="submit" class="pb-btn-base pb-btn-size-md pb-btn-variant-solid-primary">제출</button>`);
-      formParts.push(`</form>`);
-
-      return formParts.join("");
+      parts.push("</form>");
+      return parts.join("");
     }
 
     if (block.type === "divider") {
@@ -434,7 +433,9 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
         return "";
       }
 
-      const lis = tokens.items.map((text) => `<li>${escapeHtml(text)}</li>`).join("");
+      const lis = tokens.items
+        .map((text) => `<li>${escapeHtml(text)}</li>`)
+        .join("");
       const listStyleAttr = tokens.listStyleParts.join(";");
 
       return `<${tokens.Tag} class="pb-list" style="${listStyleAttr}">${lis}</${tokens.Tag}>`;
@@ -446,16 +447,55 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
       const label =
         typeof props.label === "string" && props.label.trim() !== "" ? props.label : name;
       const type = props.inputType === "email" ? "email" : "text";
-      const required = props.required ? " required" : "";
+      const labelDisplay = props.labelDisplay ?? "visible";
+      const isFloating = labelDisplay === "floating";
+      const isControllerRequired = requiredFieldIdSet.has(block.id);
+      const required = props.required || isControllerRequired ? " required" : "";
 
       const tokens = computeFormInputExportTokens(props, { escapeAttr });
+      const formId = fieldIdToFormId.get(block.id);
+      const formAttr = formId ? ` form="${escapeAttr(formId)}"` : "";
+
+      const inputId = name;
+
+      const fieldClass = isFloating ? "pb-form-field pb-form-field--floating" : "pb-form-field";
+      const cssVars: string[] = [];
+      if (isFloating && typeof props.paddingY === "number" && props.paddingY >= 0) {
+        const em = props.paddingY / 16;
+        cssVars.push(`--pb-input-padding-y:${em}rem`);
+      }
+
+      // strokeColorCustom 이 있으면 플로팅 라벨 패치 색으로 사용할 CSS 변수에 전달한다.
+      if (typeof props.strokeColorCustom === "string" && props.strokeColorCustom.trim() !== "") {
+        cssVars.push(`--pb-input-border-color:${escapeAttr(props.strokeColorCustom.trim())}`);
+      }
+
+      const fieldStyleAttr = cssVars.length > 0 ? ` style="${cssVars.join(";")}"` : "";
+
+      const placeholderBase =
+        typeof props.placeholder === "string" && props.placeholder.trim() !== ""
+          ? props.placeholder.trim()
+          : "";
+
+      let placeholder: string;
+      if (isFloating) {
+        placeholder = " ";
+      } else if (placeholderBase !== "") {
+        placeholder = placeholderBase;
+      } else {
+        placeholder = label;
+      }
+
+      const labelClass = labelDisplay === "hidden" ? "pb-form-label sr-only" : "pb-form-label";
 
       return [
-        '<div class="pb-form-field">',
-        `<label class="pb-form-label"${tokens.labelStyleAttr}>${escapeHtml(label)}</label>`,
-        `<input class="pb-input" type="${type}" name="${escapeAttr(name)}" placeholder="${escapeAttr(
+        `<div class="${fieldClass}"${fieldStyleAttr}>`,
+        `<input class="pb-input" name="${escapeAttr(name)}" id="${escapeAttr(inputId)}" type="${type}" placeholder="${escapeAttr(
+          placeholder,
+        )}"${required}${tokens.inputStyleAttr}${formAttr} />`,
+        `<label class="${labelClass}" for="${escapeAttr(inputId)}"${tokens.labelStyleAttr}>${escapeHtml(
           label,
-        )}"${required}${tokens.inputStyleAttr} />`,
+        )}</label>`,
         "</div>",
       ].join("");
     }
@@ -465,15 +505,45 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
       const name = typeof props.formFieldName === "string" ? props.formFieldName : block.id;
       const label =
         typeof props.label === "string" && props.label.trim() !== "" ? props.label : name;
-      const required = props.required ? " required" : "";
+      const labelDisplay = props.labelDisplay ?? "visible";
+      const isControllerRequired = requiredFieldIdSet.has(block.id);
+      const required = props.required || isControllerRequired ? " required" : "";
       const options: FormSelectOption[] = Array.isArray(props.options) ? props.options : [];
 
       const tokens = computeFormSelectExportTokens(props, { escapeAttr });
+      const formId = fieldIdToFormId.get(block.id);
+      const formAttr = formId ? ` form="${escapeAttr(formId)}"` : "";
+
+      const fieldClass = "pb-form-field";
+
+      const labelLayout = props.labelLayout ?? "stacked";
+      const isInlineLayout = labelDisplay === "visible" && labelLayout === "inline";
+      const styleParts: string[] = [];
+      if (isInlineLayout) {
+        const gapPx = typeof props.labelGapPx === "number" ? props.labelGapPx : 8;
+        const gapEm = gapPx / 16;
+        styleParts.push("display:flex");
+        styleParts.push("flex-direction:row");
+        styleParts.push("align-items:center");
+        styleParts.push(`column-gap:${gapEm}em`);
+      }
+
+      const widthMode = props.widthMode ?? "full";
+      if (widthMode === "fixed" && typeof props.widthPx === "number" && props.widthPx > 0) {
+        styleParts.push(`width:${props.widthPx}px`);
+      }
+
+      const fieldStyleAttr = styleParts.length > 0 ? ` style="${styleParts.join(";")}"` : "";
+
+      const labelClass =
+        labelDisplay === "hidden" ? "pb-form-label sr-only" : "pb-form-label";
 
       const parts: string[] = [];
-      parts.push('<div class="pb-form-field">');
-      parts.push(`<label class="pb-form-label"${tokens.labelStyleAttr}>${escapeHtml(label)}</label>`);
-      parts.push(`<select class="pb-select" name="${escapeAttr(name)}"${required}${tokens.selectStyleAttr}>`);
+      parts.push(`<div class="${fieldClass}"${fieldStyleAttr}>`);
+      parts.push(`<label class="${labelClass}"${tokens.labelStyleAttr}>${escapeHtml(label)}</label>`);
+      parts.push(
+        `<select class="pb-select" name="${escapeAttr(name)}"${required}${tokens.selectStyleAttr}${formAttr}>`,
+      );
       for (const opt of options) {
         parts.push(
           `<option value="${escapeAttr(opt.value)}">${escapeHtml(opt.label)}</option>`,
@@ -495,17 +565,68 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
       const options = Array.isArray(props.options) ? props.options : [];
 
       const tokens = computeFormCheckboxExportTokens(props, { escapeAttr });
+      const formId = fieldIdToFormId.get(block.id);
+      const formAttr = formId ? ` form="${escapeAttr(formId)}"` : "";
+
+      const groupLabelDisplay = props.groupLabelDisplay ?? "visible";
+      const labelLayout = props.labelLayout ?? "stacked";
+      const isInlineLayout = groupLabelDisplay === "visible" && labelLayout === "inline";
+      const fieldStyleParts: string[] = [];
+      if (isInlineLayout) {
+        const gapPx = typeof props.labelGapPx === "number" ? props.labelGapPx : 8;
+        const gapEm = gapPx / 16;
+        fieldStyleParts.push("display:flex");
+        fieldStyleParts.push("flex-direction:row");
+        fieldStyleParts.push("align-items:center");
+        fieldStyleParts.push(`column-gap:${gapEm}em`);
+      }
+
+      const widthMode = props.widthMode ?? "full";
+      if (widthMode === "fixed" && typeof props.widthPx === "number" && props.widthPx > 0) {
+        fieldStyleParts.push(`width:${props.widthPx}px`);
+      }
+
+      const fieldStyleAttr =
+        fieldStyleParts.length > 0 ? ` style="${fieldStyleParts.join(";")}"` : "";
+
+      const labelClass =
+        groupLabelDisplay === "hidden" ? "pb-form-label sr-only" : "pb-form-label";
+
+      const optionLayout = props.optionLayout ?? "stacked";
+      const optionsClass =
+        optionLayout === "inline"
+          ? "pb-form-options pb-form-options--inline"
+          : "pb-form-options pb-form-options--stacked";
+
+      const optionsStyleParts: string[] = [];
+      if (typeof props.optionGapPx === "number" && props.optionGapPx >= 0) {
+        const gapEm = props.optionGapPx / 16;
+        optionsStyleParts.push(`row-gap:${gapEm}em`);
+        if (optionLayout === "inline") {
+          optionsStyleParts.push(`column-gap:${gapEm}em`);
+        }
+      }
+
+      const optionsStyleAttr =
+        optionsStyleParts.length > 0 ? ` style="${optionsStyleParts.join(";")}"` : "";
+
+      const isGroupRequired = requiredFieldIdSet.has(block.id) || props.required === true;
 
       const parts: string[] = [];
-      parts.push('<div class="pb-form-field">');
-      parts.push(`<label class="pb-form-label"${tokens.labelStyleAttr}>${escapeHtml(label)}</label>`);
-      for (const opt of options) {
+      parts.push(`<div class="pb-form-field"${fieldStyleAttr}>`);
+      parts.push(`<label class="${labelClass}"${tokens.labelStyleAttr}>${escapeHtml(label)}</label>`);
+      parts.push(`<div class="${optionsClass}"${optionsStyleAttr}>`);
+      options.forEach((opt: { value: string; label: string }, index: number) => {
+        const optionRequiredAttr = isGroupRequired && index === 0 ? " required" : "";
         parts.push(
           `<label class="pb-form-option"${tokens.optionStyleAttr}><input type="checkbox" name="${escapeAttr(
             name,
-          )}" value="${escapeAttr(opt.value)}" /> ${escapeHtml(opt.label)}</label>`,
+          )}" value="${escapeAttr(opt.value)}"${optionRequiredAttr}${formAttr} /> <span>${escapeHtml(
+            opt.label,
+          )}</span></label>`,
         );
-      }
+      });
+      parts.push("</div>");
       parts.push("</div>");
 
       return parts.join("");
@@ -521,17 +642,69 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
       const options = Array.isArray(props.options) ? props.options : [];
 
       const tokens = computeFormRadioExportTokens(props, { escapeAttr });
+      const formId = fieldIdToFormId.get(block.id);
+      const formAttr = formId ? ` form="${escapeAttr(formId)}"` : "";
+
+      const groupLabelDisplay = props.groupLabelDisplay ?? "visible";
+      const labelLayout = props.labelLayout ?? "stacked";
+      const isInlineLayout = groupLabelDisplay === "visible" && labelLayout === "inline";
+
+      const fieldStyleParts: string[] = [];
+      if (isInlineLayout) {
+        const gapPx = typeof props.labelGapPx === "number" ? props.labelGapPx : 8;
+        const gapEm = gapPx / 16;
+        fieldStyleParts.push("display:flex");
+        fieldStyleParts.push("flex-direction:row");
+        fieldStyleParts.push("align-items:center");
+        fieldStyleParts.push(`column-gap:${gapEm}em`);
+      }
+
+      const widthMode = props.widthMode ?? "full";
+      if (widthMode === "fixed" && typeof props.widthPx === "number" && props.widthPx > 0) {
+        fieldStyleParts.push(`width:${props.widthPx}px`);
+      }
+
+      const fieldStyleAttr =
+        fieldStyleParts.length > 0 ? ` style="${fieldStyleParts.join(";")}"` : "";
+
+      const labelClass =
+        groupLabelDisplay === "hidden" ? "pb-form-label sr-only" : "pb-form-label";
+
+      const optionLayout = props.optionLayout ?? "stacked";
+      const optionsClass =
+        optionLayout === "inline"
+          ? "pb-form-options pb-form-options--inline"
+          : "pb-form-options pb-form-options--stacked";
+
+      const optionsStyleParts: string[] = [];
+      if (typeof props.optionGapPx === "number" && props.optionGapPx >= 0) {
+        const gapEm = props.optionGapPx / 16;
+        optionsStyleParts.push(`row-gap:${gapEm}em`);
+        if (optionLayout === "inline") {
+          optionsStyleParts.push(`column-gap:${gapEm}em`);
+        }
+      }
+
+      const optionsStyleAttr =
+        optionsStyleParts.length > 0 ? ` style="${optionsStyleParts.join(";")}"` : "";
+
+      const isGroupRequired = requiredFieldIdSet.has(block.id) || props.required === true;
 
       const parts: string[] = [];
-      parts.push('<div class="pb-form-field">');
-      parts.push(`<label class="pb-form-label"${tokens.labelStyleAttr}>${escapeHtml(label)}</label>`);
-      for (const opt of options) {
+      parts.push(`<div class="pb-form-field"${fieldStyleAttr}>`);
+      parts.push(`<label class="${labelClass}"${tokens.labelStyleAttr}>${escapeHtml(label)}</label>`);
+      parts.push(`<div class="${optionsClass}"${optionsStyleAttr}>`);
+      options.forEach((opt: { value: string; label: string }, index: number) => {
+        const optionRequiredAttr = isGroupRequired && index === 0 ? " required" : "";
         parts.push(
           `<label class="pb-form-option"${tokens.optionStyleAttr}><input type="radio" name="${escapeAttr(
             name,
-          )}" value="${escapeAttr(opt.value)}" /> ${escapeHtml(opt.label)}</label>`,
+          )}" value="${escapeAttr(opt.value)}"${optionRequiredAttr}${formAttr} /> <span>${escapeHtml(
+            opt.label,
+          )}</span></label>`,
         );
-      }
+      });
+      parts.push("</div>");
       parts.push("</div>");
 
       return parts.join("");
@@ -561,9 +734,13 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
 
     const sectionStyleAttr =
       tokens.sectionStyleParts.length > 0 ? ` style="${tokens.sectionStyleParts.join(";")}"` : "";
+    const innerWrapperStyleAttr =
+      tokens.innerWrapperStyleParts.length > 0 ? ` style="${tokens.innerWrapperStyleParts.join(";")}"` : "";
+    const columnsStyleAttr =
+      tokens.columnsStyleParts.length > 0 ? ` style="${tokens.columnsStyleParts.join(";")}"` : "";
 
     bodyParts.push(
-      `<section class="${tokens.sectionClasses}"${sectionStyleAttr}>${tokens.backgroundVideoHtml}<div class="pb-section-inner"><div class="pb-section-columns">`,
+      `<section class="${tokens.sectionClasses}"${sectionStyleAttr}>${tokens.backgroundVideoHtml}<div class="pb-section-inner"${innerWrapperStyleAttr}><div class="pb-section-columns"${columnsStyleAttr}>`,
     );
 
     for (const column of columns) {
@@ -674,7 +851,53 @@ export async function POST(request: Request) {
     zip.file("builder.css", "/* builder.css 를 찾을 수 없습니다. */\n");
   }
 
-  const mainJs = `console.log("Page Builder static export loaded");`;
+  const mainJs = [
+    "(function(){",
+    "  function pbInitFormControllers(){",
+    "    var forms = document.querySelectorAll(\"form.pb-form-controller\");",
+    "    if (!forms || !forms.length) { return; }",
+    "    forms.forEach(function(form){",
+    "      form.addEventListener(\"submit\", function(event){",
+    "        if (!form) { return; }",
+    "        if (event && typeof event.preventDefault === 'function') { event.preventDefault(); }",
+    "        var formData = new FormData(form);",
+    "        var configInput = form.querySelector('input[name=\"__config\"]');",
+    "        var config = null;",
+    "        if (configInput && configInput.value) {",
+    "          try { config = JSON.parse(configInput.value); } catch (e) { config = null; }",
+    "        }",
+    "        var action = form.getAttribute('action') || '/api/forms/submit';",
+    "        fetch(action, { method: 'POST', body: formData })",
+    "          .then(function(res){ return res.json().catch(function(){ return {}; }); })",
+    "          .then(function(data){",
+    "            var ok = data && data.ok;",
+    "            var message = data && data.message;",
+    "            if (ok) {",
+    "              var success = message || (config && config.successMessage) || '성공적으로 전송되었습니다.';",
+    "              if (typeof alert === 'function') { alert(success); }",
+    "              try { form.reset(); } catch (e) {}",
+    "            } else {",
+    "              var errorMsg = message || (config && config.errorMessage) || '전송 중 오류가 발생했습니다.';",
+    "              if (typeof alert === 'function') { alert(errorMsg); }",
+    "            }",
+    "          })",
+    "          .catch(function(){",
+    "            var errorMsg = (config && config.errorMessage) || '전송 중 오류가 발생했습니다.';",
+    "            if (typeof alert === 'function') { alert(errorMsg); }",
+    "          });",
+    "      });",
+    "    });",
+    "  }",
+    "  if (typeof document !== 'undefined') {",
+    "    if (document.readyState === 'loading') {",
+    "      document.addEventListener('DOMContentLoaded', pbInitFormControllers);",
+    "    } else {",
+    "      pbInitFormControllers();",
+    "    }",
+    "  }",
+    "  console.log('Page Builder static export loaded');",
+    "})();",
+  ].join("\n");
   zip.file("main.js", mainJs);
 
   const zipArrayBuffer = await zip.generateAsync({ type: "arraybuffer" });

src/app/api/forms/submit/route.ts

@@ -1,15 +1,164 @@
 import { NextResponse } from "next/server";
-import type { FormBlockProps } from "@/features/editor/state/editorStore";
+import { PrismaClient } from "@prisma/client";
+import type { FormBlockProps, FormFieldConfig } from "@/features/editor/state/editorStore";
+import { encryptJson } from "@/features/auth/authCrypto";
+
+const prisma = new PrismaClient() as any;
+
+function resolveProjectSlug(formData: FormData, config: FormBlockProps | null): string | null {
+  const projectSlugRaw = formData.get("__projectSlug");
+  let projectSlug: string | null = null;
+
+  if (typeof projectSlugRaw === "string" && projectSlugRaw.trim() !== "") {
+    projectSlug = projectSlugRaw.trim();
+  } else if (config?.extraParams && typeof config.extraParams.projectSlug === "string") {
+    const v = config.extraParams.projectSlug.trim();
+    if (v !== "") {
+      projectSlug = v;
+    }
+  }
+
+  return projectSlug;
+}
+
+function buildSensitiveFieldNameSet(config: FormBlockProps | null): Set<string> {
+  const result = new Set<string>();
+  const fields: FormFieldConfig[] = Array.isArray(config?.fields) ? (config!.fields as FormFieldConfig[]) : [];
+
+  for (const field of fields) {
+    const name = (field.name ?? "").toLowerCase();
+    const label = (field.label ?? "").toLowerCase();
+    if (!name) continue;
+
+    const isEmail =
+      field.type === "email" ||
+      name.includes("email") ||
+      label.includes("email") ||
+      label.includes("이메일");
+
+    if (isEmail) {
+      result.add(field.name);
+      continue;
+    }
+
+    const isPhone =
+      name.includes("phone") ||
+      name.includes("tel") ||
+      name.includes("mobile") ||
+      label.includes("전화") ||
+      label.includes("연락처") ||
+      label.includes("휴대폰");
+
+    if (isPhone) {
+      result.add(field.name);
+      continue;
+    }
+
+    const isBirth =
+      name.includes("birth") ||
+      name.includes("birthday") ||
+      name.includes("dob") ||
+      label.includes("생년월일") ||
+      label.includes("생일");
+
+    if (isBirth) {
+      result.add(field.name);
+      continue;
+    }
+  }
+
+  return result;
+}
+
+async function persistFormSubmission(formData: FormData, config: FormBlockProps | null) {
+  const projectSlug = resolveProjectSlug(formData, config);
+
+  const sensitiveNames = buildSensitiveFieldNameSet(config);
+
+  formData.forEach((_, key) => {
+    if (key === "__config" || key === "__projectSlug") {
+      return;
+    }
+
+    const lower = key.toLowerCase();
+
+    const isEmailField =
+      lower.includes("email") ||
+      lower.includes("e-mail") ||
+      lower.includes("이메일");
+
+    const isPhoneField =
+      lower.includes("phone") ||
+      lower.includes("tel") ||
+      lower.includes("mobile") ||
+      lower.includes("전화") ||
+      lower.includes("연락처") ||
+      lower.includes("휴대폰");
+
+    const isBirthField =
+      lower.includes("birth") ||
+      lower.includes("birthday") ||
+      lower.includes("birthdate") ||
+      lower.includes("dob") ||
+      lower.includes("생년월일") ||
+      lower.includes("생일");
+
+    if (isEmailField || isPhoneField || isBirthField) {
+      sensitiveNames.add(key);
+    }
+  });
+  const payloadJson: Record<string, string> = {};
+  const sensitivePayload: Record<string, string> = {};
+
+  formData.forEach((value, key) => {
+    if (key === "__config" || key === "__projectSlug") {
+      return;
+    }
+
+    const strValue = String(value);
+
+    if (sensitiveNames.has(key)) {
+      sensitivePayload[key] = strValue;
+    } else {
+      payloadJson[key] = strValue;
+    }
+  });
+
+  let sensitiveEnc: string | null = null;
+  if (Object.keys(sensitivePayload).length > 0) {
+    sensitiveEnc = await encryptJson(sensitivePayload);
+  }
+
+  let projectId: string | null = null;
+  let userId: string | null = null;
+
+  if (projectSlug) {
+    const project = await prisma.project.findUnique({ where: { slug: projectSlug } });
+    if (project) {
+      projectId = project.id;
+      userId = project.userId ?? null;
+    }
+  }
+
+  await prisma.formSubmission.create({
+    data: {
+      projectSlug: projectSlug ?? "",
+      projectId,
+      userId,
+      payloadJson,
+      sensitiveEnc,
+      metaJson: null,
+    },
+  });
+}
 
 export async function POST(req: Request) {
   const formData = await req.formData();
 
-  // 기본 필드(name/email/message)는 그대로 읽어둔다.
   const name = formData.get("name");
   const email = formData.get("email");
   const message = formData.get("message");
 
-  // 에디터에서 넘겨준 폼 설정(JSON) 읽기
   const rawConfig = formData.get("__config");
   let config: FormBlockProps | null = null;
   if (typeof rawConfig === "string") {
@@ -24,15 +173,56 @@ export async function POST(req: Request) {
   const successMessage = config?.successMessage;
   const errorMessage = config?.errorMessage;
 
-  // 1) internal: 우리 서버에서 직접 처리하는 기본 모드
+  const projectSlug = resolveProjectSlug(formData, config);
+  let projectStatus: string | null = null;
+
+  if (projectSlug) {
+    try {
+      const project = await prisma.project.findUnique({ where: { slug: projectSlug } });
+      if (project && typeof (project as any).status === "string") {
+        projectStatus = (project as any).status as string;
+      }
+    } catch {
+      // 상태 조회 실패는 제출 자체를 막지 않는다. (projectSlug 기반 저장은 계속 허용)
+    }
+  }
+
+  const isProjectClosed = (status: string | null): boolean => {
+    if (!status) return false;
+    if (status === "ARCHIVED") return true;
+    if (status === "DRAFT") return true;
+    return false;
+  };
+
+  if (isProjectClosed(projectStatus)) {
+    const message =
+      errorMessage ??
+      (projectStatus === "DRAFT"
+        ? "아직 공개되지 않은 프로젝트입니다."
+        : "이 프로젝트는 현재 폼 제출이 중단된 상태입니다.");
+
+    return NextResponse.json(
+      {
+        ok: false,
+        error: "project_closed",
+        message,
+      },
+      { status: 403 },
+    );
+  }
+
   if (submitTarget === "internal") {
-    // TODO: 이곳에서 DB 저장이나 이메일 전송 등 실제 처리를 수행한다.
+    await persistFormSubmission(formData, config);
     console.log("[forms/submit][internal]", { name, email, message });
     return NextResponse.json({ ok: true, message: successMessage });
   }
 
-  // 2) webhook: destinationUrl 로 서버에서 POST (Google Sheets 등 포함)
-  if (submitTarget === "webhook") {
+  if (submitTarget === "both") {
+    await persistFormSubmission(formData, config);
+    console.log("[forms/submit][internal]", { name, email, message });
+  }
+
+  if (submitTarget === "webhook" || submitTarget === "both") {
     const destinationUrl = config?.destinationUrl;
     if (!destinationUrl) {
       return NextResponse.json(

src/app/api/image/[id]/route.ts

@@ -1,40 +1,36 @@
 import { NextResponse } from "next/server";
 import { promises as fs } from "fs";
 import path from "path";
-import { PrismaClient } from "@/generated/prisma/client";
+import { PrismaClient } from "@prisma/client";
 
 const UPLOAD_DIR = path.join(process.cwd(), "uploads");
 
 let prisma: PrismaClient | null = null;
-try {
-  prisma = new PrismaClient();
-} catch (error) {
-  // DB 가 준비되지 않은 환경에서는 mimeType 조회 없이 기본값만 사용한다.
-  console.error("PrismaClient 초기화 실패 - 기본 MIME 타입으로만 응답합니다.", error);
-  prisma = null;
+if (process.env.DATABASE_URL && process.env.DATABASE_URL.trim() !== "") {
+  try {
+    prisma = new PrismaClient();
+  } catch (error) {
+    // DB 가 준비되지 않은 환경에서는 mimeType 조회 없이 기본값만 사용한다.
+    console.error("PrismaClient 초기화 실패 - 기본 MIME 타입으로만 응답합니다.", error);
+    prisma = null;
+  }
 }
 
-interface Params {
-  params: {
-    id: string;
-  };
-}
+export async function GET(request: Request) {
+  // Next.js 15 이후 params 가 Promise 로 전달되는 경고를 피하기 위해,
+  // 동적 세그먼트는 request.url 의 path 에서 직접 파싱한다.
+  let id: string | undefined;
 
-export async function GET(request: Request, ctx: Params) {
-  // Next.js 가 params 를 항상 보장하지 않는 상황을 대비해, URL 경로에서 id 를 보완적으로 파싱한다.
-  let id: string | undefined = ctx?.params?.id;
-  if (!id) {
-    try {
-      const url = new URL(request.url);
-      const segments = url.pathname.split("/").filter(Boolean);
-      // [..., "api", "image", ":id"] 형태를 기대한다.
-      const last = segments[segments.length - 1];
-      if (last && last !== "image") {
-        id = last;
-      }
-    } catch {
-      // URL 파싱 실패 시에는 그대로 둔다.
+  try {
+    const url = new URL(request.url);
+    const segments = url.pathname.split("/").filter(Boolean);
+    // [..., "api", "image", ":id"] 형태를 기대한다.
+    const last = segments[segments.length - 1];
+    if (last && last !== "image") {
+      id = last;
     }
+  } catch {
+    // URL 파싱 실패 시에는 그대로 둔다.
   }
 
   if (!id) {

src/app/api/image/route.ts

@@ -2,19 +2,21 @@ import { NextResponse } from "next/server";
 import { promises as fs } from "fs";
 import path from "path";
 import { randomUUID } from "crypto";
-import { PrismaClient } from "@/generated/prisma/client";
+import { PrismaClient } from "@prisma/client";
 
 // 업로드된 이미지 파일을 저장할 디렉터리 (프로젝트 루트 기준)
 const UPLOAD_DIR = path.join(process.cwd(), "uploads");
 
 let prisma: PrismaClient | null = null;
-try {
-  prisma = new PrismaClient();
-} catch (error) {
-  // DB 가 준비되지 않은 개발/테스트 환경에서도 업로드 자체는 동작할 수 있도록,
-  // Prisma 초기화 실패는 치명적 오류로 취급하지 않고 로그만 남긴다.
-  console.error("PrismaClient 초기화 실패 - 파일 시스템 전용 모드로 동작합니다.", error);
-  prisma = null;
+if (process.env.DATABASE_URL && process.env.DATABASE_URL.trim() !== "") {
+  try {
+    prisma = new PrismaClient();
+  } catch (error) {
+    // DB 가 준비되지 않은 개발/테스트 환경에서도 업로드 자체는 동작할 수 있도록,
+    // Prisma 초기화 실패는 치명적 오류로 취급하지 않고 로그만 남긴다.
+    console.error("PrismaClient 초기화 실패 - 파일 시스템 전용 모드로 동작합니다.", error);
+    prisma = null;
+  }
 }
 
 export async function POST(request: Request) {

src/app/api/projects/[slug]/route.ts

@@ -1,24 +1,168 @@
 import { NextResponse } from "next/server";
-import { PrismaClient } from "@/generated/prisma/client";
+import { PrismaClient, ProjectStatus } from "@prisma/client";
+import { verifyAccessToken } from "@/features/auth/authCrypto";
+import { cachePublicProject, parseProjectContentJson } from "@/features/projects/publicCache";
 
 const prisma = new PrismaClient();
 
-interface Params {
-  params: {
-    slug: string;
+interface AuthUser {
+  id: string;
+  email: string;
+  tokenVersion: number;
+}
+
+function extractTokenFromCookieHeader(cookieHeader: string | null): string | null {
+  if (!cookieHeader) return null;
+
+  const parts = cookieHeader.split(";");
+  for (const part of parts) {
+    const trimmed = part.trim();
+    if (trimmed.startsWith("pb_access=")) {
+      const value = trimmed.substring("pb_access=".length);
+      return decodeURIComponent(value);
+    }
+  }
+  return null;
+}
+
+async function getAuthUserFromRequest(request: Request): Promise<AuthUser | null> {
+  const cookieHeader = request.headers.get("cookie");
+  const token = extractTokenFromCookieHeader(cookieHeader);
+  if (!token) return null;
+
+  const payload = await verifyAccessToken(token);
+  if (!payload) return null;
+
+  return {
+    id: payload.sub,
+    email: payload.email,
+    tokenVersion: payload.tokenVersion,
   };
 }
 
-export async function GET(_request: Request, { params }: Params) {
-  const { slug } = params;
+export async function GET(
+  request: Request,
+  context: { params: { slug: string } | Promise<{ slug: string }> },
+) {
+  const authUser = await getAuthUserFromRequest(request);
+  if (!authUser) {
+    return NextResponse.json({ message: "프로젝트를 조회하려면 로그인이 필요합니다." }, { status: 401 });
+  }
+
+  const { slug } = await context.params;
 
   const project = await prisma.project.findUnique({
     where: { slug },
   });
 
-  if (!project) {
+  if (!project || (project.userId && project.userId !== authUser.id)) {
     return NextResponse.json({ message: "프로젝트를 찾을 수 없습니다." }, { status: 404 });
   }
 
   return NextResponse.json(project, { status: 200 });
 }
+
+export async function DELETE(
+  request: Request,
+  context: { params: { slug: string } | Promise<{ slug: string }> },
+) {
+  const authUser = await getAuthUserFromRequest(request);
+  if (!authUser) {
+    return NextResponse.json({ message: "프로젝트를 삭제하려면 로그인이 필요합니다." }, { status: 401 });
+  }
+
+  const { slug } = await context.params;
+
+  try {
+    const project = await prisma.project.findUnique({
+      where: { slug },
+    });
+
+    if (!project || (project.userId && project.userId !== authUser.id)) {
+      return NextResponse.json({ message: "프로젝트를 찾을 수 없습니다." }, { status: 404 });
+    }
+
+    await prisma.project.delete({
+      where: { slug },
+    });
+
+    return NextResponse.json({ message: "프로젝트가 삭제되었습니다." }, { status: 200 });
+  } catch (error: any) {
+    // Prisma NotFound 에러 코드(P2025)가 떨어지는 경우 404 로 매핑한다.
+    if (error?.code === "P2025") {
+      return NextResponse.json({ message: "프로젝트를 찾을 수 없습니다." }, { status: 404 });
+    }
+
+    return NextResponse.json(
+      { message: "프로젝트 삭제 중 오류가 발생했습니다.", error: error?.message },
+      { status: 500 },
+    );
+  }
+}
+
+export async function PATCH(
+  request: Request,
+  context: { params: { slug: string } | Promise<{ slug: string }> },
+) {
+  const authUser = await getAuthUserFromRequest(request);
+  if (!authUser) {
+    return NextResponse.json({ message: "프로젝트를 수정하려면 로그인이 필요합니다." }, { status: 401 });
+  }
+
+  const { slug } = await context.params;
+
+  let body: any = null;
+  try {
+    body = await request.json();
+  } catch {
+    return NextResponse.json({ message: "잘못된 요청 본문입니다." }, { status: 400 });
+  }
+
+  const nextStatus = body?.status as ProjectStatus | undefined;
+  const allowedStatuses: ProjectStatus[] = ["DRAFT", "PUBLISHED", "ARCHIVED"];
+
+  if (!nextStatus || !allowedStatuses.includes(nextStatus)) {
+    return NextResponse.json({ message: "유효하지 않은 프로젝트 상태입니다." }, { status: 400 });
+  }
+
+  try {
+    const project = await prisma.project.findUnique({
+      where: { slug },
+    });
+
+    if (!project || (project.userId && project.userId !== authUser.id)) {
+      return NextResponse.json({ message: "프로젝트를 찾을 수 없습니다." }, { status: 404 });
+    }
+
+    const updated = await prisma.project.update({
+      where: { slug },
+      data: { status: nextStatus },
+    });
+
+    // 퍼블릭 캐시 스냅샷도 함께 갱신해 /p/[slug] 가 최신 상태를 사용할 수 있도록 한다.
+    try {
+      const { blocks, projectConfig } = parseProjectContentJson((updated as any).contentJson);
+
+      cachePublicProject({
+        slug: updated.slug,
+        title: updated.title,
+        status: (updated as any).status ?? nextStatus,
+        blocks,
+        projectConfig,
+      });
+    } catch {
+      // 캐시 갱신 실패는 퍼블릭 렌더링에만 영향을 주므로 무시한다.
+    }
+
+    return NextResponse.json(updated, { status: 200 });
+  } catch (error: any) {
+    if (error?.code === "P2025") {
+      return NextResponse.json({ message: "프로젝트를 찾을 수 없습니다." }, { status: 404 });
+    }
+
+    return NextResponse.json(
+      { message: "프로젝트 수정 중 오류가 발생했습니다.", error: error?.message },
+      { status: 500 },
+    );
+  }
+}

src/app/api/projects/[slug]/submissions/route.ts

@@ -0,0 +1,92 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+import { verifyAccessToken, decryptJson } from "@/features/auth/authCrypto";
+
+const prisma = new PrismaClient();
+
+interface AuthUser {
+  id: string;
+  email: string;
+  tokenVersion: number;
+}
+
+function extractTokenFromCookieHeader(cookieHeader: string | null): string | null {
+  if (!cookieHeader) return null;
+
+  const parts = cookieHeader.split(";");
+  for (const part of parts) {
+    const trimmed = part.trim();
+    if (trimmed.startsWith("pb_access=")) {
+      const value = trimmed.substring("pb_access=".length);
+      return decodeURIComponent(value);
+    }
+  }
+  return null;
+}
+
+async function getAuthUserFromRequest(request: Request): Promise<AuthUser | null> {
+  const cookieHeader = request.headers.get("cookie");
+  const token = extractTokenFromCookieHeader(cookieHeader);
+  if (!token) return null;
+
+  const payload = await verifyAccessToken(token);
+  if (!payload) return null;
+
+  return {
+    id: payload.sub,
+    email: payload.email,
+    tokenVersion: payload.tokenVersion,
+  };
+}
+
+export async function GET(
+  request: Request,
+  context: { params: { slug: string } | Promise<{ slug: string }> },
+) {
+  const authUser = await getAuthUserFromRequest(request);
+  if (!authUser) {
+    return NextResponse.json({ message: "폼 제출 내역을 조회하려면 로그인이 필요합니다." }, { status: 401 });
+  }
+
+  const { slug } = await context.params;
+
+  const project = await prisma.project.findUnique({
+    where: { slug },
+  });
+
+  if (!project || (project.userId && project.userId !== authUser.id)) {
+    return NextResponse.json({ message: "프로젝트를 찾을 수 없습니다." }, { status: 404 });
+  }
+
+  const submissions = await prisma.formSubmission.findMany({
+    where: { projectId: project.id },
+    orderBy: { createdAt: "desc" },
+    take: 100,
+  });
+
+  const items = await Promise.all(
+    submissions.map(async (s: any) => {
+      const basePayload = (s.payloadJson ?? {}) as Record<string, unknown>;
+      let sensitive: Record<string, unknown> = {};
+
+      if (s.sensitiveEnc) {
+        try {
+          sensitive = (await decryptJson<Record<string, unknown>>(s.sensitiveEnc)) ?? {};
+        } catch {
+          sensitive = {};
+        }
+      }
+
+      const payload = { ...basePayload, ...sensitive };
+
+      return {
+        id: s.id,
+        createdAt: s.createdAt,
+        projectSlug: s.projectSlug,
+        payload,
+      };
+    }),
+  );
+
+  return NextResponse.json(items, { status: 200 });
+}

src/app/api/projects/route.ts

@@ -1,9 +1,154 @@
 import { NextResponse } from "next/server";
-import { PrismaClient } from "@/generated/prisma/client";
+import { PrismaClient } from "@prisma/client";
+import { verifyAccessToken } from "@/features/auth/authCrypto";
+import { cachePublicProject, parseProjectContentJson } from "@/features/projects/publicCache";
 
 const prisma = new PrismaClient();
 
+interface AuthUser {
+  id: string;
+  email: string;
+  tokenVersion: number;
+}
+
+function extractTokenFromCookieHeader(cookieHeader: string | null): string | null {
+  if (!cookieHeader) return null;
+
+  const parts = cookieHeader.split(";");
+  for (const part of parts) {
+    const trimmed = part.trim();
+    if (trimmed.startsWith("pb_access=")) {
+      const value = trimmed.substring("pb_access=".length);
+      return decodeURIComponent(value);
+    }
+  }
+  return null;
+}
+
+async function getAuthUserFromRequest(request: Request): Promise<AuthUser | null> {
+  const cookieHeader = request.headers.get("cookie");
+  const token = extractTokenFromCookieHeader(cookieHeader);
+  if (!token) return null;
+
+  const payload = await verifyAccessToken(token);
+  if (!payload) return null;
+
+  return {
+    id: payload.sub,
+    email: payload.email,
+    tokenVersion: payload.tokenVersion,
+  };
+}
+
+export async function GET(request: Request) {
+  const authUser = await getAuthUserFromRequest(request);
+  if (!authUser) {
+    return NextResponse.json({ message: "프로젝트 목록을 조회하려면 로그인이 필요합니다." }, { status: 401 });
+  }
+
+  try {
+    const projects = await prisma.project.findMany({
+      where: { userId: authUser.id },
+      orderBy: { createdAt: "desc" },
+      take: 50,
+      select: {
+        id: true,
+        title: true,
+        slug: true,
+        status: true,
+        createdAt: true,
+        updatedAt: true,
+      },
+    });
+
+    if (projects.length === 0) {
+      return NextResponse.json(
+        projects.map((p) => ({
+          ...p,
+          todaySubmissions: 0,
+          totalSubmissions: 0,
+        })),
+        { status: 200 },
+      );
+    }
+
+    const projectIds = projects.map((p) => p.id);
+
+    const submissions = await prisma.formSubmission.findMany({
+      where: {
+        userId: authUser.id,
+        projectId: { in: projectIds },
+      },
+      select: {
+        id: true,
+        projectId: true,
+        createdAt: true,
+      },
+    });
+
+    const now = new Date();
+    const startOfToday = new Date(now);
+    startOfToday.setHours(0, 0, 0, 0);
+
+    const statsByProjectId = new Map<
+      string,
+      {
+        todaySubmissions: number;
+        totalSubmissions: number;
+      }
+    >();
+
+    for (const project of projects) {
+      statsByProjectId.set(project.id, { todaySubmissions: 0, totalSubmissions: 0 });
+    }
+
+    for (const submission of submissions) {
+      const projectId = submission.projectId;
+      if (!projectId) continue;
+
+      const stat = statsByProjectId.get(projectId);
+      if (!stat) continue;
+
+      stat.totalSubmissions += 1;
+
+      const createdAt =
+        submission.createdAt instanceof Date
+          ? submission.createdAt
+          : new Date((submission.createdAt as unknown as string) ?? "");
+
+      if (createdAt >= startOfToday) {
+        stat.todaySubmissions += 1;
+      }
+    }
+
+    const result = projects.map((project) => {
+      const stat = statsByProjectId.get(project.id) ?? {
+        todaySubmissions: 0,
+        totalSubmissions: 0,
+      };
+
+      return {
+        ...project,
+        todaySubmissions: stat.todaySubmissions,
+        totalSubmissions: stat.totalSubmissions,
+      };
+    });
+
+    return NextResponse.json(result, { status: 200 });
+  } catch (error: any) {
+    return NextResponse.json(
+      { message: "프로젝트 목록을 가져오는 중 오류가 발생했습니다.", error: error?.message },
+      { status: 500 },
+    );
+  }
+}
+
 export async function POST(request: Request) {
+  const authUser = await getAuthUserFromRequest(request);
+  if (!authUser) {
+    return NextResponse.json({ message: "프로젝트를 저장하려면 로그인이 필요합니다." }, { status: 401 });
+  }
+
   const body = await request.json();
   const { title, slug, contentJson } = body;
 
@@ -12,14 +157,47 @@ export async function POST(request: Request) {
   }
 
   try {
-    const project = await prisma.project.create({
-      data: {
+    const existing = await prisma.project.findUnique({
+      where: { slug },
+    });
+
+    if (existing && existing.userId && existing.userId !== authUser.id) {
+      return NextResponse.json(
+        { message: "이미 다른 사용자가 사용 중인 프로젝트 주소입니다." },
+        { status: 409 },
+      );
+    }
+
+    const project = await prisma.project.upsert({
+      where: { slug },
+      update: {
+        title,
+        contentJson,
+      },
+      create: {
         title,
         slug,
         contentJson,
+        userId: authUser.id,
       },
     });
 
+    // 퍼블릭 슬러그 페이지(/p/[slug])가 DB 조회 없이도 최신 스냅샷을 바로 렌더링할 수 있도록
+    // 메모리 기반 캐시에 프로젝트 스냅샷을 저장해 둔다.
+    const { blocks, projectConfig } = parseProjectContentJson((project as any).contentJson);
+
+    try {
+      cachePublicProject({
+        slug: project.slug,
+        title: project.title,
+        status: (project as any).status ?? "DRAFT",
+        blocks,
+        projectConfig,
+      });
+    } catch {
+      // 캐시 저장 실패는 퍼블릭 렌더링에만 영향을 주므로, API 응답 자체는 정상적으로 계속 진행한다.
+    }
+
     return NextResponse.json(project, { status: 201 });
   } catch (error: any) {
     return NextResponse.json(

src/app/api/projects/submissions/route.ts

@@ -0,0 +1,97 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+import { verifyAccessToken, decryptJson } from "@/features/auth/authCrypto";
+
+const prisma = new PrismaClient();
+
+interface AuthUser {
+  id: string;
+  email: string;
+  tokenVersion: number;
+}
+
+// 공통: pb_access 쿠키에서 JWT 토큰을 추출한다.
+function extractTokenFromCookieHeader(cookieHeader: string | null): string | null {
+  if (!cookieHeader) return null;
+
+  const parts = cookieHeader.split(";");
+  for (const part of parts) {
+    const trimmed = part.trim();
+    if (trimmed.startsWith("pb_access=")) {
+      const value = trimmed.substring("pb_access=".length);
+      return decodeURIComponent(value);
+    }
+  }
+  return null;
+}
+
+// 공통: Request 헤더의 쿠키에서 인증된 유저 정보를 복원한다.
+async function getAuthUserFromRequest(request: Request): Promise<AuthUser | null> {
+  const cookieHeader = request.headers.get("cookie");
+  const token = extractTokenFromCookieHeader(cookieHeader);
+  if (!token) return null;
+
+  const payload = await verifyAccessToken(token);
+  if (!payload) return null;
+
+  return {
+    id: payload.sub,
+    email: payload.email,
+    tokenVersion: payload.tokenVersion,
+  };
+}
+
+// GET /api/projects/submissions
+// - 로그인한 사용자의 모든 프로젝트에 대한 폼 제출 내역을 최신순으로 최대 100건 반환한다.
+// - FormSubmission.userId 가 현재 사용자와 일치하는 레코드만 포함한다.
+// - payloadJson 과 sensitiveEnc 복호화 결과를 병합해 payload 로 반환한다.
+export async function GET(request: Request) {
+  const authUser = await getAuthUserFromRequest(request);
+  if (!authUser) {
+    return NextResponse.json(
+      { message: "폼 제출 내역을 조회하려면 로그인이 필요합니다." },
+      { status: 401 },
+    );
+  }
+
+  const submissions = await prisma.formSubmission.findMany({
+    where: { userId: authUser.id },
+    orderBy: { createdAt: "desc" },
+    take: 100,
+    include: {
+      project: {
+        select: {
+          title: true,
+          slug: true,
+        },
+      },
+    },
+  });
+
+  const items = await Promise.all(
+    submissions.map(async (s: any) => {
+      const basePayload = (s.payloadJson ?? {}) as Record<string, unknown>;
+      let sensitive: Record<string, unknown> = {};
+
+      if (s.sensitiveEnc) {
+        try {
+          sensitive = (await decryptJson<Record<string, unknown>>(s.sensitiveEnc)) ?? {};
+        } catch {
+          sensitive = {};
+        }
+      }
+
+      const payload = { ...basePayload, ...sensitive };
+
+      return {
+        id: s.id,
+        createdAt: s.createdAt,
+        projectSlug: s.projectSlug,
+        projectTitle: s.project?.title ?? null,
+        payload,
+      };
+    }),
+  );
+
+  return NextResponse.json(items, { status: 200 });
+}

src/app/api/reports/leads/route.ts

@@ -0,0 +1,169 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+
+import { verifyAccessToken } from "@/features/auth/authCrypto";
+
+// /api/reports/leads
+// - 로그인한 사용자의 FormSubmission(리드) 목록을 기간/프로젝트 필터에 맞게 조회해,
+//   최신순으로 정렬된 리드 리스트와 총 개수를 반환한다.
+
+const prisma = new PrismaClient();
+
+type RangeParam = "7d" | "30d" | "all";
+
+function extractTokenFromCookieHeader(cookieHeader: string | null): string | null {
+  if (!cookieHeader) return null;
+
+  const parts = cookieHeader.split(";");
+  for (const part of parts) {
+    const trimmed = part.trim();
+    if (trimmed.startsWith("pb_access=")) {
+      const value = trimmed.substring("pb_access=".length);
+      return decodeURIComponent(value);
+    }
+  }
+  return null;
+}
+
+export async function GET(request: Request) {
+  try {
+    const url = new URL(request.url);
+    const range = (url.searchParams.get("range") as RangeParam | null) ?? "all";
+    const projectIdFilter = url.searchParams.get("projectId");
+    const fromParam = url.searchParams.get("from");
+    const toParam = url.searchParams.get("to");
+
+    if (range !== "7d" && range !== "30d" && range !== "all") {
+      return NextResponse.json({ message: "Invalid range parameter" }, { status: 400 });
+    }
+
+    const cookieHeader = request.headers.get("cookie");
+    const token = extractTokenFromCookieHeader(cookieHeader);
+
+    if (!token) {
+      return NextResponse.json({ message: "인증 정보가 없습니다." }, { status: 401 });
+    }
+
+    const payload = await verifyAccessToken(token);
+    if (!payload) {
+      return NextResponse.json({ message: "유효하지 않은 토큰입니다." }, { status: 401 });
+    }
+
+    const userId = payload.sub;
+
+    const [projects, submissions] = await Promise.all([
+      prisma.project.findMany({
+        where: { userId },
+        select: {
+          id: true,
+          title: true,
+          slug: true,
+        },
+      }),
+      prisma.formSubmission.findMany({
+        where: { userId },
+        select: {
+          id: true,
+          projectId: true,
+          projectSlug: true,
+          createdAt: true,
+          payloadJson: true,
+        },
+      }),
+    ]);
+
+    let fromDate: Date | null = null;
+    let toDate: Date | null = null;
+
+    if (fromParam || toParam) {
+      if (fromParam) {
+        const parsedFrom = new Date(`${fromParam}T00:00:00.000Z`);
+        if (Number.isNaN(parsedFrom.getTime())) {
+          return NextResponse.json({ message: "Invalid from parameter" }, { status: 400 });
+        }
+        fromDate = parsedFrom;
+      }
+      if (toParam) {
+        const parsedTo = new Date(`${toParam}T23:59:59.999Z`);
+        if (Number.isNaN(parsedTo.getTime())) {
+          return NextResponse.json({ message: "Invalid to parameter" }, { status: 400 });
+        }
+        toDate = parsedTo;
+      }
+    } else {
+      const now = new Date();
+      if (range === "7d") {
+        fromDate = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
+      } else if (range === "30d") {
+        fromDate = new Date(now.getTime() - 30 * 24 * 60 * 60 * 1000);
+      }
+    }
+
+    // 1단계: 기간/프로젝트 필터 적용
+    const filtered = submissions.filter((s) => {
+      const createdAt = s.createdAt instanceof Date ? s.createdAt : new Date(s.createdAt as any);
+
+      if (fromDate && createdAt < fromDate) {
+        return false;
+      }
+
+      if (toDate && createdAt > toDate) {
+        return false;
+      }
+
+      if (projectIdFilter && s.projectId !== projectIdFilter) {
+        return false;
+      }
+
+      return true;
+    });
+
+    // 2단계: 최신순 정렬 (createdAt desc)
+    filtered.sort((a, b) => {
+      const aDate = a.createdAt instanceof Date ? a.createdAt : new Date(a.createdAt as any);
+      const bDate = b.createdAt instanceof Date ? b.createdAt : new Date(b.createdAt as any);
+      return bDate.getTime() - aDate.getTime();
+    });
+
+    const projectById = new Map<
+      string,
+      {
+        title: string;
+        slug: string;
+      }
+    >();
+
+    for (const p of projects) {
+      projectById.set(p.id, { title: p.title, slug: p.slug });
+    }
+
+    const items = filtered.map((s) => {
+      const createdAt = s.createdAt instanceof Date ? s.createdAt : new Date(s.createdAt as any);
+      const projectMeta = s.projectId ? projectById.get(s.projectId) : null;
+
+      return {
+        id: s.id,
+        projectId: s.projectId ?? null,
+        projectSlug: s.projectSlug,
+        projectTitle: projectMeta?.title ?? null,
+        createdAt: createdAt.toISOString(),
+        payload: (s as any).payloadJson ?? {},
+      };
+    });
+
+    const body = {
+      total: items.length,
+      items,
+    };
+
+    return NextResponse.json(body, { status: 200 });
+  } catch (error: any) {
+    return NextResponse.json(
+      {
+        message: "리드 리포트를 불러오는 중 오류가 발생했습니다.",
+        error: error?.message,
+      },
+      { status: 500 },
+    );
+  }
+}

src/app/api/reports/overview/route.ts

@@ -0,0 +1,340 @@
+import { NextResponse } from "next/server";
+import { PrismaClient } from "@prisma/client";
+
+import { verifyAccessToken } from "@/features/auth/authCrypto";
+
+// /api/reports/overview
+// - 로그인한 사용자의 프로젝트/폼 제출 데이터를 기간/프로젝트 필터에 맞게 집계해 리포트용 요약/일별/프로젝트별 통계를 반환한다.
+
+const prisma = new PrismaClient();
+
+type RangeParam = "7d" | "30d" | "all";
+
+function extractTokenFromCookieHeader(cookieHeader: string | null): string | null {
+  if (!cookieHeader) return null;
+
+  const parts = cookieHeader.split(";");
+  for (const part of parts) {
+    const trimmed = part.trim();
+    if (trimmed.startsWith("pb_access=")) {
+      const value = trimmed.substring("pb_access=".length);
+      return decodeURIComponent(value);
+    }
+  }
+  return null;
+}
+
+export async function GET(request: Request) {
+  try {
+    const url = new URL(request.url);
+    const range = (url.searchParams.get("range") as RangeParam | null) ?? "all";
+    const projectIdFilter = url.searchParams.get("projectId");
+    const fromParam = url.searchParams.get("from");
+    const toParam = url.searchParams.get("to");
+
+    if (range !== "7d" && range !== "30d" && range !== "all") {
+      return NextResponse.json({ message: "Invalid range parameter" }, { status: 400 });
+    }
+
+    const cookieHeader = request.headers.get("cookie");
+    const token = extractTokenFromCookieHeader(cookieHeader);
+
+    if (!token) {
+      return NextResponse.json({ message: "인증 정보가 없습니다." }, { status: 401 });
+    }
+
+    const payload = await verifyAccessToken(token);
+    if (!payload) {
+      return NextResponse.json({ message: "유효하지 않은 토큰입니다." }, { status: 401 });
+    }
+
+    const userId = payload.sub;
+
+    const [projects, submissions] = await Promise.all([
+      prisma.project.findMany({
+        where: { userId },
+        select: {
+          id: true,
+          title: true,
+          slug: true,
+          status: true,
+        },
+      }),
+      prisma.formSubmission.findMany({
+        where: { userId },
+        select: {
+          id: true,
+          projectId: true,
+          projectSlug: true,
+          createdAt: true,
+        },
+      }),
+    ]);
+
+    let fromDate: Date | null = null;
+    let toDate: Date | null = null;
+
+    if (fromParam || toParam) {
+      if (fromParam) {
+        const parsedFrom = new Date(`${fromParam}T00:00:00.000Z`);
+        if (Number.isNaN(parsedFrom.getTime())) {
+          return NextResponse.json({ message: "Invalid from parameter" }, { status: 400 });
+        }
+        fromDate = parsedFrom;
+      }
+      if (toParam) {
+        const parsedTo = new Date(`${toParam}T23:59:59.999Z`);
+        if (Number.isNaN(parsedTo.getTime())) {
+          return NextResponse.json({ message: "Invalid to parameter" }, { status: 400 });
+        }
+        toDate = parsedTo;
+      }
+    } else {
+      const now = new Date();
+      if (range === "7d") {
+        fromDate = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
+      } else if (range === "30d") {
+        fromDate = new Date(now.getTime() - 30 * 24 * 60 * 60 * 1000);
+      }
+    }
+
+    // 1단계: 기간/프로젝트 필터가 적용된 제출 목록을 만든다.
+    const filteredSubmissions = submissions.filter((s) => {
+      const createdAt = s.createdAt instanceof Date ? s.createdAt : new Date(s.createdAt as any);
+
+      if (fromDate && createdAt < fromDate) {
+        return false;
+      }
+
+      if (toDate && createdAt > toDate) {
+        return false;
+      }
+
+      if (projectIdFilter && s.projectId !== projectIdFilter) {
+        return false;
+      }
+
+      return true;
+    });
+
+    const totalSubmissions = filteredSubmissions.length;
+
+    // uniqueProjects: 필터된 제출에서 등장하는 프로젝트 수
+    const projectIdsSet = new Set<string>();
+    for (const s of filteredSubmissions) {
+      if (s.projectId) {
+        projectIdsSet.add(s.projectId);
+      }
+    }
+    const uniqueProjects = projectIdsSet.size;
+
+    // avgPerDay: 최소 1일 기준으로 일평균 제출 수를 계산한다.
+    let avgPerDay = 0;
+    if (totalSubmissions > 0) {
+      // all 인 경우에는 제출이 존재하는 기간(min~max)을 기준으로 일수를 계산하고,
+      // 7d/30d 인 경우에는 고정 윈도우 길이를 사용한다.
+      let days = 1;
+      if (range === "all") {
+        let minDate = new Date(filteredSubmissions[0].createdAt as any);
+        let maxDate = minDate;
+        for (const s of filteredSubmissions) {
+          const d = s.createdAt instanceof Date ? s.createdAt : new Date(s.createdAt as any);
+          if (d < minDate) minDate = d;
+          if (d > maxDate) maxDate = d;
+        }
+        const diffMs = maxDate.getTime() - minDate.getTime();
+        days = Math.max(1, Math.floor(diffMs / (24 * 60 * 60 * 1000)) + 1);
+      } else if (range === "7d") {
+        days = 7;
+      } else if (range === "30d") {
+        days = 30;
+      }
+      avgPerDay = totalSubmissions / days;
+    }
+
+    // daily: 일별 제출 수 집계
+    const countsByDate = new Map<string, number>();
+    for (const s of filteredSubmissions) {
+      const createdAt = s.createdAt instanceof Date ? s.createdAt : new Date(s.createdAt as any);
+      const dateKey = createdAt.toISOString().slice(0, 10); // YYYY-MM-DD
+      const prev = countsByDate.get(dateKey) ?? 0;
+      countsByDate.set(dateKey, prev + 1);
+    }
+
+    const daily = Array.from(countsByDate.entries())
+      .map(([date, count]) => ({ date, count }))
+      .sort((a, b) => a.date.localeCompare(b.date));
+
+    // byProject: 프로젝트별 제출 수/비율 집계 (제출이 1건 이상인 프로젝트만 포함)
+    const statsByProjectId = new Map<
+      string,
+      {
+        projectId: string;
+        title: string;
+        slug: string;
+        submissions: number;
+      }
+    >();
+
+    for (const project of projects) {
+      if (projectIdFilter && project.id !== projectIdFilter) {
+        continue;
+      }
+      statsByProjectId.set(project.id, {
+        projectId: project.id,
+        title: project.title,
+        slug: project.slug,
+        submissions: 0,
+      });
+    }
+
+    for (const s of filteredSubmissions) {
+      if (!s.projectId) continue;
+      const stat = statsByProjectId.get(s.projectId);
+      if (!stat) continue;
+      stat.submissions += 1;
+    }
+
+    const byProjectRaw = Array.from(statsByProjectId.values()).filter((item) => item.submissions > 0);
+
+    const byProject = byProjectRaw.map((item) => ({
+      ...item,
+      ratio: totalSubmissions > 0 ? item.submissions / totalSubmissions : 0,
+    }));
+
+    // timePatterns: 주/월/요일/시간대별 제출 수 집계
+    const countsByWeek = new Map<string, number>();
+    const countsByMonth = new Map<string, number>();
+    const countsByWeekday = new Map<number, number>();
+    const countsByHour = new Map<number, number>();
+
+    function getIsoWeekKey(date: Date): string {
+      const d = new Date(Date.UTC(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate()));
+      const day = d.getUTCDay() || 7; // 1~7 (Mon..Sun)
+      d.setUTCDate(d.getUTCDate() + 4 - day); // nearest Thursday
+      const yearStart = new Date(Date.UTC(d.getUTCFullYear(), 0, 1));
+      const week = Math.ceil(((d.getTime() - yearStart.getTime()) / (24 * 60 * 60 * 1000) + 1) / 7);
+      const year = d.getUTCFullYear();
+      return `${year}-W${String(week).padStart(2, "0")}`;
+    }
+
+    for (const s of filteredSubmissions) {
+      const createdAt = s.createdAt instanceof Date ? s.createdAt : new Date(s.createdAt as any);
+
+      const monthKey = `${createdAt.getUTCFullYear()}-${String(createdAt.getUTCMonth() + 1).padStart(2, "0")}`;
+      const weekKey = getIsoWeekKey(createdAt);
+      const weekday = createdAt.getUTCDay(); // 0~6
+      const hour = createdAt.getUTCHours(); // 0~23
+
+      countsByMonth.set(monthKey, (countsByMonth.get(monthKey) ?? 0) + 1);
+      countsByWeek.set(weekKey, (countsByWeek.get(weekKey) ?? 0) + 1);
+      countsByWeekday.set(weekday, (countsByWeekday.get(weekday) ?? 0) + 1);
+      countsByHour.set(hour, (countsByHour.get(hour) ?? 0) + 1);
+    }
+
+    const timePatterns = {
+      byWeek: Array.from(countsByWeek.entries())
+        .map(([week, count]) => ({ week, count }))
+        .sort((a, b) => a.week.localeCompare(b.week)),
+      byMonth: Array.from(countsByMonth.entries())
+        .map(([month, count]) => ({ month, count }))
+        .sort((a, b) => a.month.localeCompare(b.month)),
+      byWeekday: Array.from(countsByWeekday.entries())
+        .map(([weekday, count]) => ({ weekday, count }))
+        .sort((a, b) => a.weekday - b.weekday),
+      byHour: Array.from(countsByHour.entries())
+        .map(([hour, count]) => ({ hour, count }))
+        .sort((a, b) => a.hour - b.hour),
+    };
+
+    // projectStatusSummary: 상태별 프로젝트 수/제출 수 집계
+    const projectStatusById = new Map<
+      string,
+      {
+        status: string;
+      }
+    >();
+
+    for (const project of projects) {
+      if (projectIdFilter && project.id !== projectIdFilter) {
+        continue;
+      }
+      projectStatusById.set(project.id, {
+        status: (project as any).status ?? "UNKNOWN",
+      });
+    }
+
+    const statusStatsMap = new Map<
+      string,
+      {
+        status: string;
+        projectIds: Set<string>;
+        submissions: number;
+      }
+    >();
+
+    function ensureStatusEntry(statusKey: string): {
+      status: string;
+      projectIds: Set<string>;
+      submissions: number;
+    } {
+      let entry = statusStatsMap.get(statusKey);
+      if (!entry) {
+        entry = {
+          status: statusKey,
+          projectIds: new Set<string>(),
+          submissions: 0,
+        };
+        statusStatsMap.set(statusKey, entry);
+      }
+      return entry;
+    }
+
+    // 프로젝트마다 상태 기반 프로젝트 수 초기화
+    for (const [projectId, meta] of projectStatusById.entries()) {
+      const entry = ensureStatusEntry(meta.status);
+      entry.projectIds.add(projectId);
+    }
+
+    // 제출 건수를 상태별로 합산
+    for (const s of filteredSubmissions) {
+      if (!s.projectId) continue;
+      const meta = projectStatusById.get(s.projectId);
+      const statusKey = meta?.status ?? "UNKNOWN";
+      const entry = ensureStatusEntry(statusKey);
+      entry.submissions += 1;
+    }
+
+    const projectStatusSummary = {
+      byStatus: Array.from(statusStatsMap.values())
+        .map((entry) => ({
+          status: entry.status,
+          projects: entry.projectIds.size,
+          submissions: entry.submissions,
+        }))
+        .sort((a, b) => a.status.localeCompare(b.status)),
+    };
+
+    const body = {
+      summary: {
+        totalSubmissions,
+        uniqueProjects,
+        avgPerDay,
+      },
+      daily,
+      byProject,
+      timePatterns,
+      projectStatusSummary,
+    };
+
+    return NextResponse.json(body, { status: 200 });
+  } catch (error: any) {
+    return NextResponse.json(
+      {
+        message: "리포트 데이터를 계산하는 중 오류가 발생했습니다.",
+        error: error?.message,
+      },
+      { status: 500 },
+    );
+  }
+}

src/app/api/video/[id]/route.ts

@@ -1,7 +1,7 @@
 import { NextResponse } from "next/server";
 import { promises as fs } from "fs";
 import path from "path";
-import { PrismaClient } from "@/generated/prisma/client";
+import { PrismaClient } from "@prisma/client";
 
 const UPLOAD_DIR = path.join(process.cwd(), "uploads");
 
@@ -15,14 +15,22 @@ try {
 }
 
 interface Params {
-  params: {
+  params: Promise<{
     id: string;
-  };
+  }>;
 }
 
 export async function GET(request: Request, ctx: Params) {
   // Next.js 가 params 를 항상 보장하지 않는 상황을 대비해, URL 경로에서 id 를 보완적으로 파싱한다.
-  let id: string | undefined = ctx?.params?.id;
+  let id: string | undefined;
+
+  try {
+    const resolved = await ctx.params;
+    id = resolved?.id;
+  } catch {
+    id = undefined;
+  }
+
   if (!id) {
     try {
       const url = new URL(request.url);

src/app/api/video/route.ts

@@ -2,7 +2,7 @@ import { NextResponse } from "next/server";
 import { promises as fs } from "fs";
 import path from "path";
 import { randomUUID } from "crypto";
-import { PrismaClient } from "@/generated/prisma/client";
+import { PrismaClient } from "@prisma/client";
 
 // 업로드된 비디오 파일을 저장할 디렉터리 (프로젝트 루트 기준)
 const UPLOAD_DIR = path.join(process.cwd(), "uploads");

src/app/dashboard/page.tsx

@@ -0,0 +1,410 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { useRouter } from "next/navigation";
+import Link from "next/link";
+import { BarChart2, FolderKanban, LayoutDashboard, ListChecks, SunMoon } from "lucide-react";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getDashboardMessages } from "@/features/i18n/messages/dashboard";
+
+// 대시보드 페이지 (/dashboard)
+// - /api/dashboard/overview 에서 요약/프로젝트별 통계를 가져와 카드 형태로 렌더링한다.
+// - 비로그인(401) 응답 시 로그인 페이지로 리다이렉트하고 에러 메시지를 표시한다.
+
+interface SummaryStats {
+  totalProjects: number;
+  totalSubmissions: number;
+  todaySubmissions: number;
+  last7DaysSubmissions: number;
+}
+
+interface DailySubmissionItem {
+  // 일별 제출 수 그래프를 위한 집계 데이터
+  date: string; // YYYY-MM-DD
+  count: number;
+}
+
+interface ProjectStatsItem {
+  projectId: string;
+  title: string;
+  slug: string;
+  status: string;
+  totalSubmissions: number;
+  lastSubmissionAt: string | null;
+}
+
+type PageStatus = "idle" | "loading" | "error";
+
+export default function DashboardPage() {
+  const router = useRouter();
+  const locale = useAppLocale();
+  const t = getDashboardMessages(locale);
+
+  const [summary, setSummary] = useState<SummaryStats | null>(null);
+  const [projects, setProjects] = useState<ProjectStatsItem[]>([]);
+  const [dailySubmissions, setDailySubmissions] = useState<DailySubmissionItem[]>([]);
+  const [status, setStatus] = useState<PageStatus>("idle");
+  const [errorMessage, setErrorMessage] = useState<string | null>(null);
+  const [isMenuOpen, setIsMenuOpen] = useState(false);
+  const [emailVerified, setEmailVerified] = useState<boolean | null>(null);
+
+  // 마운트 시 대시보드 개요 데이터를 불러온다.
+  useEffect(() => {
+    let cancelled = false;
+
+    const load = async () => {
+      try {
+        setStatus("loading");
+        setErrorMessage(null);
+
+        const res = await fetch("/api/dashboard/overview");
+
+        if (!res.ok) {
+          if (cancelled) return;
+
+          if (res.status === 401) {
+            setStatus("error");
+            setErrorMessage(t.errorUnauthorized);
+            router.push("/login");
+            return;
+          }
+
+          setStatus("error");
+          setErrorMessage(t.errorGeneric);
+          return;
+        }
+
+        const data = (await res.json()) as {
+          summaryStats: SummaryStats;
+          projectStats: ProjectStatsItem[];
+          dailySubmissions?: DailySubmissionItem[];
+        };
+
+        if (cancelled) return;
+
+        setSummary(data.summaryStats ?? null);
+        setProjects(Array.isArray(data.projectStats) ? data.projectStats : []);
+        setDailySubmissions(
+          Array.isArray(data.dailySubmissions) ? data.dailySubmissions : [],
+        );
+        setStatus("idle");
+        setErrorMessage(null);
+      } catch {
+        if (!cancelled) {
+          setStatus("error");
+          setErrorMessage(t.errorGeneric);
+        }
+      }
+    };
+
+    void load();
+
+    return () => {
+      cancelled = true;
+    };
+  }, [router]);
+
+  // 마운트 시 현재 사용자 이메일 인증 여부를 확인한다.
+  useEffect(() => {
+    let cancelled = false;
+
+    const loadMe = async () => {
+      try {
+        const res = await fetch("/api/auth/me");
+        if (cancelled || !res.ok) return;
+
+        const data = (await res.json().catch(() => null)) as any;
+        if (!cancelled && data) {
+          setEmailVerified(Boolean(data.emailVerified));
+        }
+      } catch {
+        // ignore – 인증 여부를 알 수 없으면 배너만 표시하지 않는다.
+      }
+    };
+
+    void loadMe();
+
+    return () => {
+      cancelled = true;
+    };
+  }, []);
+
+  const safeSummary: SummaryStats =
+    summary ?? {
+      totalProjects: 0,
+      totalSubmissions: 0,
+      todaySubmissions: 0,
+      last7DaysSubmissions: 0,
+    };
+
+  const handleLogout = async () => {
+    try {
+      const res = await fetch("/api/auth/logout", {
+        method: "POST",
+      });
+
+      if (!res.ok) {
+        return;
+      }
+
+      router.push("/login");
+    } catch {
+    }
+  };
+
+  const handleToggleTheme = () => {
+    if (typeof document === "undefined") {
+      return;
+    }
+
+    const root = document.documentElement;
+    if (!root) {
+      return;
+    }
+
+    root.classList.toggle("dark");
+  };
+
+  return (
+    <main className="min-h-screen flex flex-col bg-slate-100 text-slate-900 dark:bg-slate-950 dark:text-slate-50">
+      <header className="border-b border-slate-200 px-6 py-4 flex items-center justify-between bg-white/80 backdrop-blur dark:border-slate-800 dark:bg-slate-950/80">
+        <div>
+          <h1 className="text-2xl font-bold tracking-tight">{t.title}</h1>
+          <p className="text-sm text-slate-500 mt-1 dark:text-slate-400">{t.description}</p>
+        </div>
+        <div className="flex items-center gap-3 text-sm">
+          <nav className="inline-flex items-center gap-1 rounded-full border border-slate-200 bg-white/80 px-1.5 py-1 shadow-sm dark:border-slate-700 dark:bg-slate-900/80">
+            <Link
+              href="/dashboard"
+              aria-current="page"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-semibold bg-sky-600 text-white shadow-sm hover:bg-sky-700"
+            >
+              <LayoutDashboard className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navDashboard}</span>
+            </Link>
+            <Link
+              href="/projects"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-slate-700 hover:bg-slate-100 hover:text-sky-700 dark:text-slate-200 dark:hover:bg-slate-800 dark:hover:text-sky-200"
+            >
+              <FolderKanban className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navProjects}</span>
+            </Link>
+            <Link
+              href="/projects/submissions"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-emerald-700 hover:bg-emerald-50 hover:text-emerald-800 dark:text-emerald-200 dark:hover:bg-emerald-900/60 dark:hover:text-emerald-100"
+            >
+              <ListChecks className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navSubmissions}</span>
+            </Link>
+            <Link
+              href="/reports"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-slate-700 hover:bg-slate-100 hover:text-sky-700 dark:text-slate-200 dark:hover:bg-slate-800 dark:hover:text-sky-200"
+            >
+              <BarChart2 className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navReports ?? "Reports"}</span>
+            </Link>
+          </nav>
+          <button
+            type="button"
+            className="inline-flex items-center gap-1 rounded-full border border-slate-300 bg-white/80 px-3 py-1.5 text-xs font-medium text-slate-700 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200 dark:hover:bg-slate-800"
+            onClick={handleToggleTheme}
+          >
+            <SunMoon className="w-4 h-4" aria-hidden="true" />
+            <span>{t.themeToggleLabel}</span>
+          </button>
+          <div className="relative">
+            <button
+              type="button"
+              className="inline-flex items-center gap-1 rounded-full border border-slate-300 bg-white/80 px-3 py-1.5 text-xs font-medium text-slate-700 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200 dark:hover:bg-slate-800"
+              onClick={() => {
+                setIsMenuOpen((prev) => !prev);
+              }}
+            >
+              {t.menuLabel}
+            </button>
+            {isMenuOpen && (
+              <div className="absolute right-0 mt-1 w-32 rounded border border-slate-200 bg-white shadow-lg z-20 dark:border-slate-700 dark:bg-slate-900/95">
+                <button
+                  type="button"
+                  className="w-full px-3 py-2 text-left text-xs text-slate-700 hover:bg-slate-100 dark:text-slate-200 dark:hover:bg-slate-800"
+                  onClick={() => {
+                    setIsMenuOpen(false);
+                    router.push("/mypage");
+                  }}
+                >
+                  {t.myPageLabel}
+                </button>
+                <button
+                  type="button"
+                  className="w-full px-3 py-2 text-left text-xs text-slate-700 hover:bg-slate-100 dark:text-slate-200 dark:hover:bg-slate-800"
+                  onClick={() => {
+                    setIsMenuOpen(false);
+                    void handleLogout();
+                  }}
+                >
+                  {t.logoutLabel}
+                </button>
+              </div>
+            )}
+          </div>
+        </div>
+      </header>
+
+      <section className="flex-1 px-6 py-4 space-y-4 overflow-auto bg-slate-50/60 dark:bg-transparent">
+        {status === "error" && errorMessage && (
+          <p className="text-xs text-red-500 dark:text-red-300">{errorMessage}</p>
+        )}
+
+        {emailVerified === false && (
+          <p className="text-xs text-amber-700 mb-1 dark:text-amber-300">
+            {t.emailNotVerifiedBanner}
+          </p>
+        )}
+
+        {status === "loading" && (
+          <p className="text-xs text-slate-400">{t.loadingText}</p>
+        )}
+
+        {/* 상단 요약 위젯 영역 */}
+        <div className="grid grid-cols-2 md:grid-cols-4 gap-3 text-xs">
+          <div
+            data-testid="dashboard-summary-total-projects"
+            className="rounded-xl border border-slate-200 bg-white/80 px-4 py-3 flex flex-col gap-1 shadow-sm dark:border-slate-800 dark:bg-slate-900/70"
+          >
+            <span className="text-[11px] font-medium text-slate-500 dark:text-slate-400">
+              {t.summaryTotalProjectsLabel}
+            </span>
+            <span className="text-2xl font-bold tracking-tight">{safeSummary.totalProjects}</span>
+          </div>
+
+          <div
+            data-testid="dashboard-summary-total-submissions"
+            className="rounded-xl border border-slate-200 bg-white/80 px-4 py-3 flex flex-col gap-1 shadow-sm dark:border-slate-800 dark:bg-slate-900/70"
+          >
+            <span className="text-[11px] font-medium text-slate-500 dark:text-slate-400">
+              {t.summaryTotalSubmissionsLabel}
+            </span>
+            <span className="text-2xl font-bold tracking-tight">{safeSummary.totalSubmissions}</span>
+          </div>
+
+          <div
+            data-testid="dashboard-summary-today-submissions"
+            className="rounded-xl border border-slate-200 bg-white/80 px-4 py-3 flex flex-col gap-1 shadow-sm dark:border-slate-800 dark:bg-slate-900/70"
+          >
+            <span className="text-[11px] font-medium text-slate-500 dark:text-slate-400">
+              {t.summaryTodaySubmissionsLabel}
+            </span>
+            <span className="text-2xl font-bold tracking-tight">{safeSummary.todaySubmissions}</span>
+          </div>
+
+          <div
+            data-testid="dashboard-summary-last7days-submissions"
+            className="rounded-xl border border-slate-200 bg-white/80 px-4 py-3 flex flex-col gap-1 shadow-sm dark:border-slate-800 dark:bg-slate-900/70"
+          >
+            <span className="text-[11px] font-medium text-slate-500 dark:text-slate-400">
+              {t.summaryLast7DaysSubmissionsLabel}
+            </span>
+            <span className="text-2xl font-bold tracking-tight">{safeSummary.last7DaysSubmissions}</span>
+          </div>
+        </div>
+
+        {/* 일별 제출 수 간단 그래프 영역 */}
+        <div
+          data-testid="dashboard-daily-chart"
+          className="mt-2 rounded-xl border border-slate-200 bg-white/80 px-4 py-3 shadow-sm dark:border-slate-800 dark:bg-slate-900/70"
+        >
+          <div className="flex items-baseline justify-between mb-2">
+            <h2 className="text-sm font-semibold text-slate-800 dark:text-slate-200">{t.chartTitle}</h2>
+            <span className="text-[10px] text-slate-500 dark:text-slate-500">{t.chartSubtitle}</span>
+          </div>
+
+          {dailySubmissions.length === 0 ? (
+            <p className="text-[11px] text-slate-500 dark:text-slate-400">{t.chartEmptyLabel}</p>
+          ) : (
+            <div className="flex items-end gap-2 text-[10px]">
+              {dailySubmissions.map((item) => (
+                <div
+                  key={item.date}
+                  data-testid="dashboard-daily-chart-bar"
+                  className="flex flex-col items-center gap-1"
+                >
+                  <div
+                    className="w-6 rounded-t bg-emerald-500/80"
+                    style={{ height: `${Math.max(8, item.count * 12)}px` }}
+                  />
+                  <span className="text-slate-700 font-semibold dark:text-slate-300">{item.count}</span>
+                  <span className="text-slate-500 dark:text-slate-500">{item.date}</span>
+                </div>
+              ))}
+            </div>
+          )}
+        </div>
+
+        {/* 프로젝트 카드 리스트 영역 */}
+        <div className="mt-2">
+          <h2 className="text-base font-semibold mb-2 text-slate-800 dark:text-slate-100">
+            {t.sectionProjectsTitle}
+          </h2>
+
+          {projects.length === 0 && status === "idle" && !errorMessage && (
+            <p className="text-xs text-slate-500 dark:text-slate-400">{t.sectionProjectsEmpty}</p>
+          )}
+
+          {projects.length > 0 && (
+            <div className="grid gap-3 md:grid-cols-2 lg:grid-cols-3">
+              {projects.map((project) => {
+                const lastSubmitted = project.lastSubmissionAt
+                  ? new Date(project.lastSubmissionAt).toLocaleString()
+                  : t.projectLatestSubmissionEmpty;
+
+                return (
+                  <article
+                    key={project.projectId}
+                    data-testid="dashboard-project-card"
+                    className="rounded-xl border border-slate-200 bg-white/80 px-4 py-3 flex flex-col gap-1 shadow-sm dark:border-slate-800 dark:bg-slate-900/70"
+                  >
+                    <div className="flex items-baseline justify-between gap-2">
+                      <div>
+                        <h3 className="text-sm font-semibold text-slate-900 dark:text-slate-50">{project.title}</h3>
+                        <p className="text-[11px] text-slate-500 font-mono dark:text-slate-400">{project.slug}</p>
+                      </div>
+                      <span className="text-[10px] px-2 py-0.5 rounded-full border border-slate-300 bg-slate-50 text-slate-700 dark:border-slate-700 dark:bg-transparent dark:text-slate-300">
+                        {project.status}
+                      </span>
+                    </div>
+
+                    <div className="mt-1 flex items-center justify-between text-[11px] text-slate-700 dark:text-slate-300">
+                      <span>
+                        {t.projectTotalSubmissionsPrefix}
+                        <span className="font-semibold">{project.totalSubmissions}</span>
+                        {t.projectTotalSubmissionsSuffix}
+                      </span>
+                      <span className="text-slate-500 dark:text-slate-400">
+                        {t.projectLatestSubmissionPrefix} {lastSubmitted}
+                      </span>
+                    </div>
+
+                    <div className="mt-2 flex items-center gap-2 text-[11px]">
+                      <Link
+                        href={`/projects/${encodeURIComponent(project.slug)}/submissions`}
+                        className="text-emerald-700 hover:text-emerald-900 underline-offset-2 hover:underline dark:text-emerald-300 dark:hover:text-emerald-100"
+                      >
+                        {t.projectViewSubmissionsLink}
+                      </Link>
+                      <Link
+                        href={`/p/${encodeURIComponent(project.slug)}`}
+                        className="text-sky-700 hover:text-sky-900 underline-offset-2 hover:underline dark:text-sky-300 dark:hover:text-sky-200"
+                      >
+                        {t.projectOpenPublicPageLink}
+                      </Link>
+                    </div>
+                  </article>
+                );
+              })}
+            </div>
+          )}
+        </div>
+      </section>
+    </main>
+  );
+}

src/app/editor/EditorCanvas.tsx

@@ -11,6 +11,8 @@ import { SortableContext, verticalListSortingStrategy } from "@dnd-kit/sortable"
 import { rectIntersection } from "@dnd-kit/core";
 
 import type { Block, ButtonBlockProps, ImageBlockProps, ProjectConfig, TextBlockProps } from "@/features/editor/state/editorStore";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorCanvasMessages } from "@/features/i18n/messages/editorCanvas";
 
 interface EditorCanvasProps {
   blocks: Block[];
@@ -42,6 +44,9 @@ export function EditorCanvas(props: EditorCanvasProps) {
     projectConfig,
   } = props;
 
+  const locale = useAppLocale();
+  const m = getEditorCanvasMessages(locale);
+
   const canvasOuterStyle: CSSProperties = {};
   const canvasInnerStyle: CSSProperties = {};
   const preset = projectConfig.canvasPreset ?? "full";
@@ -70,7 +75,7 @@ export function EditorCanvas(props: EditorCanvasProps) {
 
   return (
     <div
-      className="flex-1 p-4 flex flex-col gap-2 text-sm text-slate-200 border-r border-slate-800 overflow-auto pb-scroll"
+      className="flex-1 p-4 flex flex-col gap-2 text-sm border-r border-slate-800 overflow-auto pb-scroll"
       data-testid="editor-canvas"
       style={canvasOuterStyle}
       onClick={(event) => {
@@ -86,7 +91,7 @@ export function EditorCanvas(props: EditorCanvasProps) {
       >
         {blocks.length === 0 ? (
           <div className="flex-1 flex items-center justify-center text-slate-500 text-xs">
-            왼쪽에서 "텍스트 블록 추가" 버튼을 눌러 블록을 추가해 보세요.
+            {m.emptyStateHint}
           </div>
         ) : (
           <DndContext
@@ -118,11 +123,14 @@ interface DragPreviewProps {
   block: Block | null;
 }
 
-function DragPreview({ block }: DragPreviewProps) {
+export function EditorCanvasDragPreview({ block }: DragPreviewProps) {
   if (!block) return null;
 
+  const locale = useAppLocale();
+  const m = getEditorCanvasMessages(locale);
+
   return (
-    <div className="pointer-events-none rounded border border-sky-500 bg-slate-900/80 px-3 py-2 text-xs text-slate-100 shadow-lg opacity-90 min-w-[160px] max-w-[260px]">
+    <div className="pointer-events-none rounded border border-sky-500 bg-white px-3 py-2 text-xs text-slate-900 shadow-lg opacity-90 min-w-[160px] max-w-[260px] dark:bg-slate-900 dark:text-slate-100">
       <div className="text-[10px] uppercase tracking-wide text-sky-300 mb-1">
         {block.type === "text"
           ? "Text"
@@ -138,17 +146,21 @@ function DragPreview({ block }: DragPreviewProps) {
       </div>
       <div className="truncate">
         {block.type === "text"
-          ? (block.props as TextBlockProps).text || "텍스트 블록"
+          ? (block.props as TextBlockProps).text || m.previewFallbackTextBlock
           : block.type === "button"
-          ? (block.props as ButtonBlockProps).label || "버튼 블록"
+          ? (block.props as ButtonBlockProps).label || m.previewFallbackButtonBlock
           : block.type === "image"
-          ? (block.props as ImageBlockProps).alt || "이미지 블록"
+          ? (block.props as ImageBlockProps).alt || m.previewFallbackImageBlock
           : block.type === "list"
-          ? "리스트 블록"
+          ? m.previewFallbackListBlock
           : block.type === "divider"
-          ? "구분선 블록"
-          : "섹션 블록"}
+          ? m.previewFallbackDividerBlock
+          : m.previewFallbackSectionBlock}
       </div>
     </div>
   );
 }
+
+function DragPreview({ block }: DragPreviewProps) {
+  return <EditorCanvasDragPreview block={block} />;
+}

src/app/editor/forms/FormCheckboxPropertiesPanel.tsx

@@ -3,6 +3,8 @@
 import type { Block, FormCheckboxBlockProps } from "@/features/editor/state/editorStore";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorFormCheckboxPanelMessages } from "@/features/i18n/messages/editorFormCheckboxPanel";
 
 interface FormCheckboxPropertiesPanelProps {
   block: Block;
@@ -11,18 +13,21 @@ interface FormCheckboxPropertiesPanelProps {
 }
 
 export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBlock }: FormCheckboxPropertiesPanelProps) {
+  const locale = useAppLocale();
+  const m = getEditorFormCheckboxPanelMessages(locale);
   if (!selectedBlockId || block.id !== selectedBlockId) return null;
 
   const checkboxProps = block.props as FormCheckboxBlockProps;
+  const groupLabelDisplay = checkboxProps.groupLabelDisplay ?? "visible";
 
   return (
     <div className="space-y-3 text-xs">
-      <h3 className="text-[11px] font-semibold text-slate-200">체크박스 필드</h3>
+      <h3 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.sectionTitle}</h3>
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">그룹 타이틀 타입</span>
+        <span className="text-slate-500 dark:text-slate-400">{m.groupTitleTypeLabel}</span>
         <select
-          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
           value={checkboxProps.groupLabelMode ?? "text"}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -30,15 +35,87 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
             } as any)
           }
         >
-          <option value="text">텍스트</option>
-          <option value="image">이미지</option>
+          <option value="text">{m.groupTitleTypeOptionText}</option>
+          <option value="image">{m.groupTitleTypeOptionImage}</option>
         </select>
       </label>
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">그룹 타이틀</span>
+        <span className="text-slate-500 dark:text-slate-400">{m.groupTitleDisplayLabel}</span>
+        <select
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+          value={groupLabelDisplay}
+          onChange={(e) =>
+            updateBlock(selectedBlockId, {
+              groupLabelDisplay: e.target.value,
+            } as any)
+          }
+        >
+          <option value="visible">{m.groupTitleDisplayOptionVisible}</option>
+          <option value="hidden">{m.groupTitleDisplayOptionHidden}</option>
+        </select>
+      </label>
+
+      {groupLabelDisplay === "visible" && (
+        <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
+          <span>{m.layoutLabel}</span>
+          <select
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            value={checkboxProps.labelLayout ?? "stacked"}
+            onChange={(e) =>
+              updateBlock(selectedBlockId, {
+                labelLayout: e.target.value,
+              } as any)
+            }
+          >
+            <option value="stacked">{m.layoutOptionStacked}</option>
+            <option value="inline">{m.layoutOptionInline}</option>
+          </select>
+        </label>
+      )}
+
+      <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
+        <span>{m.optionLayoutLabel}</span>
+        <select
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+          value={checkboxProps.optionLayout ?? "stacked"}
+          onChange={(e) =>
+            updateBlock(selectedBlockId, {
+              optionLayout: e.target.value,
+            } as any)
+          }
+        >
+          <option value="stacked">{m.layoutOptionStacked}</option>
+          <option value="inline">{m.layoutOptionInline}</option>
+        </select>
+      </label>
+
+      {groupLabelDisplay === "visible" && (checkboxProps.labelLayout ?? "stacked") === "inline" && (
+        <NumericPropertyControl
+          label={m.labelGapLabel}
+          unitLabel="(px)"
+          value={typeof checkboxProps.labelGapPx === "number" ? checkboxProps.labelGapPx : 8}
+          min={0}
+          max={80}
+          step={2}
+          presets={[
+            { id: "tight", label: "Tight", value: 4 },
+            { id: "normal", label: "Normal", value: 8 },
+            { id: "relaxed", label: "Relaxed", value: 12 },
+            { id: "extra", label: "Extra", value: 16 },
+          ]}
+          onChangeValue={(v) =>
+            updateBlock(selectedBlockId, {
+              labelGapPx: v,
+            } as any)
+          }
+        />
+      )}
+
+      <label className="flex flex-col gap-1">
+        <span className="text-slate-500 dark:text-slate-400">{m.groupTitleLabel}</span>
         <input
-          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
           value={checkboxProps.groupLabel ?? ""}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -58,9 +135,9 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
         return (
           <div className="space-y-1">
             <label className="flex flex-col gap-1">
-              <span className="text-slate-400">그룹 타이틀 이미지 소스</span>
+              <span className="text-slate-400">{m.groupTitleImageSourceLabel}</span>
               <select
-                className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+                className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
                 value={source}
                 onChange={(e) =>
                   updateBlock(selectedBlockId, {
@@ -68,16 +145,16 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
                   } as any)
                 }
               >
-                <option value="url">URL</option>
-                <option value="upload">파일 업로드</option>
+                <option value="url">{m.groupTitleImageSourceOptionUrl}</option>
+                <option value="upload">{m.groupTitleImageSourceOptionUpload}</option>
               </select>
             </label>
 
             {source === "url" && (
               <label className="flex flex-col gap-1">
-                <span className="text-slate-400">그룹 타이틀 이미지 URL</span>
+                <span className="text-slate-400">{m.groupTitleImageUrlLabel}</span>
                 <input
-                  className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+                  className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
                   value={checkboxProps.groupLabelImageUrl ?? ""}
                   onChange={(e) =>
                     updateBlock(selectedBlockId, {
@@ -90,12 +167,12 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
 
             {source === "upload" && (
               <label className="flex flex-col gap-1">
-                <span className="text-slate-400">그룹 타이틀 이미지 파일 업로드</span>
+                <span className="text-slate-400">{m.groupTitleImageUploadLabel}</span>
                 <input
                   type="file"
                   accept="image/*"
                   className="w-full text-[11px] text-slate-300 file:mr-2 file:rounded file:border file:border-slate-700 file:bg-slate-800 file:px-2 file:py-1 file:text-[11px] file:text-slate-100 hover:file:bg-slate-700"
-                  aria-label="그룹 타이틀 이미지 파일 업로드"
+                  aria-label={m.groupTitleImageUploadAria}
                   onChange={async (event) => {
                     const file = event.target.files?.[0];
                     if (!file) return;
@@ -135,9 +212,9 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
       })()}
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">전송 키</span>
+        <span className="text-slate-500 dark:text-slate-400">{m.submitKeyLabel}</span>
         <input
-          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
           value={checkboxProps.formFieldName ?? ""}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -149,16 +226,16 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
 
       <div className="space-y-2">
         <div className="flex items-center justify-between">
-          <span className="text-slate-400">옵션</span>
+          <span className="text-slate-500 dark:text-slate-400">{m.optionsLabel}</span>
           <button
             type="button"
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-0.5 text-[10px] text-slate-200 hover:bg-slate-800"
+            className="rounded border border-slate-300 bg-white px-2 py-0.5 text-[10px] text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
             onClick={() => {
               const next = Array.isArray((checkboxProps as any).options)
                 ? [...(checkboxProps as any).options]
                 : [];
               next.push({
-                label: "새 옵션",
+                label: "New option",
                 value: `option_${next.length + 1}`,
               });
               updateBlock(selectedBlockId, {
@@ -166,14 +243,14 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
               } as any);
             }}
           >
-            옵션 추가
+            {m.addOptionButtonLabel}
           </button>
         </div>
         <div className="space-y-2">
           <label className="flex flex-col gap-1">
-            <span className="text-slate-400">옵션 이미지 소스</span>
+            <span className="text-slate-500 dark:text-slate-400">{m.optionImageSourceLabel}</span>
             <select
-              className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
               value={(() => {
                 if (checkboxProps.optionImageSource) return checkboxProps.optionImageSource;
                 const first = (((checkboxProps as any).options ?? []) as any[])[0];
@@ -186,17 +263,17 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
                 } as any)
               }
             >
-              <option value="url">URL</option>
-              <option value="upload">파일 업로드</option>
+              <option value="url">{m.optionImageSourceOptionUrl}</option>
+              <option value="upload">{m.optionImageSourceOptionUpload}</option>
             </select>
           </label>
 
           {(((checkboxProps as any).options ?? []) as any[]).map((opt, index) => (
             <div key={opt.value ?? index} className="space-y-1 rounded border border-slate-800 p-2">
-              <div className="flex items-center gap-1">
+              <div className="grid grid-cols-[minmax(0,1fr)_minmax(0,1fr)_auto] items-center gap-1">
                 <input
-                  className="flex-1 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                  placeholder="라벨"
+                  className="flex-1 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                  placeholder={m.optionLabelPlaceholder}
                   value={opt.label ?? ""}
                   onChange={(e) => {
                     const next = [...(((checkboxProps as any).options ?? []) as any[])];
@@ -210,8 +287,8 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
                   }}
                 />
                 <input
-                  className="flex-1 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                  placeholder="값(value)"
+                  className="flex-1 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                  placeholder={m.optionValuePlaceholder}
                   value={opt.value ?? ""}
                   onChange={(e) => {
                     const next = [...(((checkboxProps as any).options ?? []) as any[])];
@@ -226,7 +303,7 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
                 />
                 <button
                   type="button"
-                  className="h-7 w-7 rounded border border-slate-700 bg-slate-950 text-[10px] text-slate-300 hover:bg-red-900/60 hover:border-red-700"
+                  className="h-7 w-7 rounded border border-slate-300 bg-white text-[10px] text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-red-900/60 dark:hover:border-red-700"
                   onClick={() => {
                     const next = (((checkboxProps as any).options ?? []) as any[]).filter((_, i) => i !== index);
                     updateBlock(selectedBlockId, {
@@ -247,8 +324,8 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
                     <>
                       {source === "url" && (
                         <input
-                          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                          placeholder="옵션 이미지 URL (선택)"
+                          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                          placeholder={m.optionImageUrlPlaceholder}
                           value={opt.labelImageUrl ?? ""}
                           onChange={(e) => {
                             const next = [...(((checkboxProps as any).options ?? []) as any[])];
@@ -264,12 +341,12 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
                       )}
                       {source === "upload" && (
                         <label className="flex flex-col gap-1">
-                          <span className="text-slate-400">옵션 이미지 파일 업로드</span>
+                          <span className="text-slate-500 dark:text-slate-400">{m.optionImageUploadLabel}</span>
                           <input
                             type="file"
                             accept="image/*"
                             className="w-full text-[11px] text-slate-300 file:mr-2 file:rounded file:border file:border-slate-700 file:bg-slate-800 file:px-2 file:py-1 file:text-[11px] file:text-slate-100 hover:file:bg-slate-700"
-                            aria-label="옵션 이미지 파일 업로드"
+                            aria-label={m.optionImageUploadAria}
                             onChange={async (event) => {
                               const file = event.target.files?.[0];
                               if (!file) return;
@@ -320,25 +397,15 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
       </div>
 
       <label className="inline-flex items-center gap-2">
-        <input
-          type="checkbox"
-          className="h-3 w-3 rounded border border-slate-600 bg-slate-900"
-          checked={Boolean(checkboxProps.required)}
-          onChange={(e) =>
-            updateBlock(selectedBlockId, {
-              required: e.target.checked,
-            } as any)
-          }
-        />
-        <span className="text-slate-400">필수 필드</span>
+        <span className="text-slate-500">{m.requiredNoticeText}</span>
       </label>
 
       <div className="mt-3 space-y-2 border-t border-slate-800 pt-3">
-        <h4 className="text-[11px] font-semibold text-slate-200">필드 스타일</h4>
+        <h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.styleSectionTitle}</h4>
         {/* px 기반 체크박스 타이포 입력값을 노출하여 em 스케일 변환을 위한 근거를 남긴다 */}
         <NumericPropertyControl
-          label="체크박스 텍스트 크기 (px)"
-          unitLabel="(px)"
+          label={m.textSizeLabel}
+          unitLabel={m.textSizeUnitLabel}
           value={(() => {
             const raw = checkboxProps.fontSizeCustom ?? "";
             const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
@@ -355,16 +422,16 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
             { id: "lg", label: "L", value: 18 },
             { id: "xl", label: "XL", value: 20 },
           ]}
-          onChangeValue={(v) => {
+          onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
               fontSizeCustom: `${v}px`,
-            } as any);
-          }}
+            } as any)
+          }
         />
         {/* 줄간격 px 입력값을 노출해 preview em 변환과 TDD 케이스를 연동한다 */}
         <NumericPropertyControl
-          label="체크박스 줄간격 (px)"
-          unitLabel="(px)"
+          label={m.lineHeightLabel}
+          unitLabel={m.lineHeightUnitLabel}
           value={(() => {
             const raw = checkboxProps.lineHeightCustom ?? "";
             const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
@@ -375,20 +442,20 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           max={60}
           step={1}
           presets={[
-            { id: "tight", label: "타이트", value: 18 },
-            { id: "normal", label: "보통", value: 24 },
-            { id: "loose", label: "루즈", value: 32 },
+            { id: "tight", label: "Tight", value: 18 },
+            { id: "normal", label: "Normal", value: 24 },
+            { id: "loose", label: "Loose", value: 32 },
           ]}
-          onChangeValue={(v) => {
+          onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
               lineHeightCustom: `${v}px`,
-            } as any);
-          }}
+            } as any)
+          }
         />
         {/* 자간 px 입력을 통한 폼 체크박스 미세 조정값을 노출 */}
         <NumericPropertyControl
-          label="체크박스 자간 (px)"
-          unitLabel="(px)"
+          label={m.letterSpacingLabel}
+          unitLabel={m.letterSpacingUnitLabel}
           value={(() => {
             const raw = checkboxProps.letterSpacingCustom ?? "";
             const match = raw.match(/(-?[0-9]+(?:\.[0-9]+)?)/);
@@ -399,20 +466,20 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           max={20}
           step={0.5}
           presets={[
-            { id: "tight", label: "좁게", value: -1 },
-            { id: "normal", label: "보통", value: 0 },
-            { id: "wide", label: "넓게", value: 2 },
+            { id: "tight", label: "Tight", value: -1 },
+            { id: "normal", label: "Normal", value: 0 },
+            { id: "wide", label: "Wide", value: 2 },
           ]}
-          onChangeValue={(v) => {
+          onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
               letterSpacingCustom: `${v}px`,
-            } as any);
-          }}
+            } as any)
+          }
         />
         <label className="flex flex-col gap-1 text-[11px] text-slate-400">
-          <span>필드 너비</span>
+          <span>{m.widthModeLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
             value={checkboxProps.widthMode ?? "full"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -420,44 +487,44 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
               } as any)
             }
           >
-            <option value="auto">자동</option>
-            <option value="full">전체 폭</option>
-            <option value="fixed">고정 값</option>
+            <option value="auto">{m.widthModeOptionAuto}</option>
+            <option value="full">{m.widthModeOptionFull}</option>
+            <option value="fixed">{m.widthModeOptionFixed}</option>
           </select>
         </label>
         {(checkboxProps.widthMode ?? "full") === "fixed" && (
           <NumericPropertyControl
-            label="필드 고정 너비"
-            unitLabel="(px)"
+            label={m.fixedWidthLabel}
+            unitLabel={m.fixedWidthUnitLabel}
             value={checkboxProps.widthPx ?? 240}
             min={80}
             max={800}
             step={10}
             presets={[
-              { id: "sm", label: "작게", value: 200 },
-              { id: "md", label: "보통", value: 280 },
-              { id: "lg", label: "넓게", value: 360 },
+              { id: "sm", label: "Small", value: 200 },
+              { id: "md", label: "Medium", value: 280 },
+              { id: "lg", label: "Large", value: 360 },
             ]}
-            onChangeValue={(v) => {
+            onChangeValue={(v) =>
               updateBlock(selectedBlockId, {
                 widthPx: v,
-              } as any);
-            }}
+              } as any)
+            }
           />
         )}
         <NumericPropertyControl
-          label="체크박스 가로 패딩 (px)"
-          unitLabel="(px)"
+          label={m.paddingXLabel}
+          unitLabel={m.paddingXUnitLabel}
           value={typeof checkboxProps.paddingX === "number" ? checkboxProps.paddingX : 12}
           min={0}
           max={60}
           step={2}
           presets={[
-            { id: "xs", label: "아주 얇게", value: 6 },
-            { id: "sm", label: "얇게", value: 10 },
-            { id: "md", label: "보통", value: 12 },
-            { id: "lg", label: "넓게", value: 16 },
-            { id: "xl", label: "아주 넓게", value: 20 },
+            { id: "xs", label: "Extra thin", value: 6 },
+            { id: "sm", label: "Thin", value: 10 },
+            { id: "md", label: "Normal", value: 12 },
+            { id: "lg", label: "Wide", value: 16 },
+            { id: "xl", label: "Extra wide", value: 20 },
           ]}
           onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
@@ -466,18 +533,18 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           }
         />
         <NumericPropertyControl
-          label="체크박스 세로 패딩 (px)"
-          unitLabel="(px)"
+          label={m.paddingYLabel}
+          unitLabel={m.paddingYUnitLabel}
           value={typeof checkboxProps.paddingY === "number" ? checkboxProps.paddingY : 10}
           min={0}
           max={40}
           step={1}
           presets={[
-            { id: "xs", label: "아주 얇게", value: 6 },
-            { id: "sm", label: "얇게", value: 8 },
-            { id: "md", label: "보통", value: 10 },
-            { id: "lg", label: "넓게", value: 12 },
-            { id: "xl", label: "아주 넓게", value: 16 },
+            { id: "xs", label: "Extra thin", value: 6 },
+            { id: "sm", label: "Thin", value: 8 },
+            { id: "md", label: "Normal", value: 10 },
+            { id: "lg", label: "Wide", value: 12 },
+            { id: "xl", label: "Extra wide", value: 16 },
           ]}
           onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
@@ -486,17 +553,17 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           }
         />
         <NumericPropertyControl
-          label="체크박스 옵션 간격 (px)"
-          unitLabel="(px)"
+          label={m.optionGapLabel}
+          unitLabel={m.optionGapUnitLabel}
           value={typeof checkboxProps.optionGapPx === "number" ? checkboxProps.optionGapPx : 4}
           min={0}
           max={40}
           step={1}
           presets={[
-            { id: "tight", label: "타이트", value: 2 },
-            { id: "normal", label: "보통", value: 4 },
-            { id: "relaxed", label: "느슨", value: 8 },
-            { id: "extra", label: "넓게", value: 12 },
+            { id: "tight", label: "Tight", value: 2 },
+            { id: "normal", label: "Normal", value: 4 },
+            { id: "relaxed", label: "Relaxed", value: 8 },
+            { id: "extra", label: "Extra", value: 12 },
           ]}
           onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
@@ -505,13 +572,13 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           }
         />
         <ColorPickerField
-          label="텍스트 색상"
-          ariaLabelColorInput="체크박스 텍스트 색상 피커"
-          ariaLabelHexInput="체크박스 텍스트 색상 HEX"
+          label={m.textColorLabel}
+          ariaLabelColorInput={m.textColorPickerAria}
+          ariaLabelHexInput={m.textColorHexAria}
           value={
             checkboxProps.textColorCustom && checkboxProps.textColorCustom.trim() !== ""
               ? checkboxProps.textColorCustom
-              : "#f9fafb"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -526,13 +593,13 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           }}
         />
         <ColorPickerField
-          label="배경 색상"
-          ariaLabelColorInput="체크박스 배경 색상 피커"
-          ariaLabelHexInput="체크박스 배경 색상 HEX"
+          label={m.fillColorLabel}
+          ariaLabelColorInput={m.fillColorPickerAria}
+          ariaLabelHexInput={m.fillColorHexAria}
           value={
             checkboxProps.fillColorCustom && checkboxProps.fillColorCustom.trim() !== ""
               ? checkboxProps.fillColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -547,13 +614,13 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           }}
         />
         <ColorPickerField
-          label="테두리 색상"
-          ariaLabelColorInput="체크박스 테두리 색상 피커"
-          ariaLabelHexInput="체크박스 테두리 색상 HEX"
+          label={m.strokeColorLabel}
+          ariaLabelColorInput={m.strokeColorPickerAria}
+          ariaLabelHexInput={m.strokeColorHexAria}
           value={
             checkboxProps.strokeColorCustom && checkboxProps.strokeColorCustom.trim() !== ""
               ? checkboxProps.strokeColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -568,7 +635,7 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           }}
         />
         <NumericPropertyControl
-          label="필드 모서리 둥글기"
+          label={m.borderRadiusLabel}
           value={(() => {
             const r = checkboxProps.borderRadius ?? "md";
             return r === "none" ? 0 : r === "sm" ? 2 : r === "lg" ? 6 : r === "full" ? 8 : 4;
@@ -577,11 +644,11 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           max={8}
           step={1}
           presets={[
-            { id: "none", label: "없음", value: 0 },
-            { id: "sm", label: "작게", value: 2 },
-            { id: "md", label: "보통", value: 4 },
-            { id: "lg", label: "크게", value: 6 },
-            { id: "full", label: "완전 둥글게", value: 8 },
+            { id: "none", label: m.borderRadiusPresetNone, value: 0 },
+            { id: "sm", label: m.borderRadiusPresetSmall, value: 2 },
+            { id: "md", label: m.borderRadiusPresetMedium, value: 4 },
+            { id: "lg", label: m.borderRadiusPresetLarge, value: 6 },
+            { id: "full", label: m.borderRadiusPresetFull, value: 8 },
           ]}
           onChangeValue={(v) => {
             const next =

src/app/editor/forms/FormControllerPanel.tsx

@@ -1,6 +1,11 @@
 "use client";
 
+import { useState } from "react";
 import type { Block, ButtonBlockProps, FormBlockProps } from "@/features/editor/state/editorStore";
+import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
+import { computeFormControllerPublicTokens } from "@/features/editor/utils/formHelpers";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorFormControllerPanelMessages } from "@/features/i18n/messages/editorFormControllerPanel";
 
 interface FormControllerPanelProps {
   block: Block; // type === "form"
@@ -12,20 +17,74 @@ interface FormControllerPanelProps {
 export function FormControllerPanel({ block, blocks, selectedBlockId, updateBlock }: FormControllerPanelProps) {
   if (!selectedBlockId || block.id !== selectedBlockId) return null;
 
+  const [showSheetsGuide, setShowSheetsGuide] = useState(false);
+
   const formProps = block.props as FormBlockProps;
+  const locale = useAppLocale();
+  const m = getEditorFormControllerPanelMessages(locale);
+
+  const sheetsScriptExample = (() => {
+    const tokens = computeFormControllerPublicTokens(block, blocks);
+    const fieldNames = tokens.fields.map((f) => f.name).filter((name) => !!name);
+
+    if (fieldNames.length === 0) {
+      return (
+        "function doPost(e) {\n" +
+        '  var sheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName("시트1");\n' +
+        "  if (!sheet) { sheet = SpreadsheetApp.getActiveSpreadsheet().getSheets()[0]; }\n" +
+        "  var params = e.parameter; // x-www-form-urlencoded\n" +
+        "  var row = [\n" +
+        '    params.name || "",\n' +
+        '    params.email || "",\n' +
+        '    params.message || "",\n' +
+        "    new Date(),\n" +
+        "  ];\n" +
+        "  sheet.appendRow(row);\n" +
+        "  return ContentService\n" +
+        "    .createTextOutput(JSON.stringify({ ok: true }))\n" +
+        "    .setMimeType(ContentService.MimeType.JSON);\n" +
+        "}"
+      );
+    }
+
+    const headerNames = [...fieldNames, "createdAt"];
+    const rowLines = fieldNames.map((name) => `    params.${name} || "",`);
+    rowLines.push("    new Date(),");
+
+    const lines: string[] = [];
+    lines.push("function doPost(e) {");
+    lines.push('  var sheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName("시트1");');
+    lines.push("  if (!sheet) { sheet = SpreadsheetApp.getActiveSpreadsheet().getSheets()[0]; }");
+    lines.push("  var params = e.parameter; // x-www-form-urlencoded");
+    lines.push("  // 시트의 1행 헤더는 다음과 같이 맞춰 주세요:");
+    lines.push(`  // ${headerNames.join(", ")}`);
+    lines.push("  var row = [");
+    for (const line of rowLines) {
+      lines.push(line);
+    }
+    lines.push("  ];");
+    lines.push("  sheet.appendRow(row);");
+    lines.push("  return ContentService");
+    lines.push("    .createTextOutput(JSON.stringify({ ok: true }))");
+    lines.push("    .setMimeType(ContentService.MimeType.JSON);");
+    lines.push("}");
+
+    return lines.join("\n");
+  })();
 
   return (
     <div className="space-y-4 text-xs">
       <p className="text-slate-400">
-        이 폼은 퍼블릭 페이지에서 <code className="font-mono text-[11px]">/api/forms/submit</code>
-        엔드포인트로 먼저 전송된 뒤, 설정에 따라 내부 처리 또는 Webhook 으로 전달됩니다.
+        {m.introTextPrefix}
+        <code className="font-mono text-[11px]">/api/forms/submit</code>
+        {m.introTextSuffix}
       </p>
 
       <div className="space-y-2">
-        <div className="flex flex-col gap-1">
-          <span className="text-slate-400">전송 대상</span>
+        <label className="flex flex-col gap-1">
+          <span className="text-slate-500 dark:text-slate-400">{m.submitTargetLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
             value={formProps.submitTarget ?? "internal"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -33,18 +92,18 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
               } as any)
             }
           >
-            <option value="internal">서버 처리 전용 (Webhook 없이 사용)</option>
-            <option value="webhook">외부 Webhook / Google Sheets 로 전달</option>
+            <option value="internal">{m.submitTargetOptionInternal}</option>
+            <option value="webhook">{m.submitTargetOptionWebhook}</option>
           </select>
-        </div>
+        </label>
 
         {formProps.submitTarget === "webhook" && (
-          <div className="space-y-2">
+          <div className="space-y-3">
             <label className="flex flex-col gap-1">
-              <span className="text-slate-400">Webhook / Google Sheets URL</span>
+              <span className="text-slate-500 dark:text-slate-400">{m.webhookUrlLabel}</span>
               <input
-                className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
-                placeholder="예: https://script.google.com/macros/s/.../exec"
+                className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                placeholder={m.webhookUrlPlaceholder}
                 value={formProps.destinationUrl ?? ""}
                 onChange={(e) =>
                   updateBlock(selectedBlockId, {
@@ -54,9 +113,9 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
               />
             </label>
             <label className="flex items-center justify-between gap-2">
-              <span className="text-slate-400">전송 포맷</span>
+              <span className="text-slate-500 dark:text-slate-400">{m.payloadFormatLabel}</span>
               <select
-                className="w-40 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+                className="w-40 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
                 value={formProps.payloadFormat ?? "form"}
                 onChange={(e) =>
                   updateBlock(selectedBlockId, {
@@ -64,14 +123,14 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
                   } as any)
                 }
               >
-                <option value="form">폼 데이터 (x-www-form-urlencoded)</option>
-                <option value="json">JSON (application/json)</option>
+                <option value="form">{m.payloadFormatOptionForm}</option>
+                <option value="json">{m.payloadFormatOptionJson}</option>
               </select>
             </label>
             <label className="flex items-center justify-between gap-2">
-              <span className="text-slate-400">HTTP 메서드</span>
+              <span className="text-slate-500 dark:text-slate-400">{m.httpMethodLabel}</span>
               <select
-                className="w-28 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+                className="w-28 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
                 value={formProps.method ?? "POST"}
                 onChange={(e) =>
                   updateBlock(selectedBlockId, {
@@ -84,10 +143,10 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
               </select>
             </label>
             <label className="flex flex-col gap-1">
-              <span className="text-slate-400">Authorization 토큰 (옵션)</span>
+              <span className="text-slate-500 dark:text-slate-400">{m.authTokenLabel}</span>
               <input
-                className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
-                placeholder="예: Bearer xxxxxx"
+                className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                placeholder={m.authTokenPlaceholder}
                 value={formProps.headers?.Authorization ?? ""}
                 onChange={(e) =>
                   updateBlock(selectedBlockId, {
@@ -100,10 +159,10 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
               />
             </label>
             <label className="flex flex-col gap-1">
-              <span className="text-slate-400">추가 파라미터 (key=value 형식, 줄바꿈으로 구분)</span>
+              <span className="text-slate-500 dark:text-slate-400">{m.extraParamsLabel}</span>
               <textarea
-                className="w-full h-16 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] font-mono outline-none focus:border-sky-500"
-                placeholder={"예:\nsource=landing\nformId=contact-hero"}
+                className="w-full h-16 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] font-mono text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                placeholder={m.extraParamsPlaceholder}
                 value={Object.entries(formProps.extraParams ?? {})
                   .map(([k, v]) => `${k}=${v}`)
                   .join("\n")}
@@ -125,17 +184,88 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
                 }}
               />
             </label>
+
+            <div className="flex justify-end">
+              <button
+                type="button"
+                className="inline-flex items-center gap-1 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+                onClick={() => setShowSheetsGuide(true)}
+              >
+                {m.sheetsGuideButtonLabel}
+              </button>
+            </div>
           </div>
         )}
       </div>
 
       <div className="space-y-2 border-t border-slate-800 pt-3 mt-4">
-        <h3 className="text-[11px] font-semibold text-slate-200">폼 메시지</h3>
-        <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>성공 메시지</span>
+        <h3 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.layoutSectionTitle}</h3>
+        <label className="flex flex-col gap-1 text-xs text-slate-500 dark:text-slate-400">
+          <span>{m.formWidthModeLabel}</span>
+          <select
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            value={formProps.formWidthMode ?? "auto"}
+            onChange={(e) =>
+              updateBlock(selectedBlockId, {
+                formWidthMode: e.target.value as FormBlockProps["formWidthMode"],
+              } as any)
+            }
+          >
+            <option value="auto">{m.formWidthModeOptionAuto}</option>
+            <option value="full">{m.formWidthModeOptionFull}</option>
+            <option value="fixed">{m.formWidthModeOptionFixed}</option>
+          </select>
+        </label>
+
+        {(formProps.formWidthMode ?? "auto") === "fixed" && (
+          <NumericPropertyControl
+            label={m.formFixedWidthLabel}
+            unitLabel="(px)"
+            value={typeof formProps.formWidthPx === "number" ? formProps.formWidthPx : 480}
+            min={160}
+            max={1200}
+            step={10}
+            presets={[
+              { id: "sm", label: m.formFixedWidthPresetNarrow, value: 320 },
+              { id: "md", label: m.formFixedWidthPresetNormal, value: 480 },
+              { id: "lg", label: m.formFixedWidthPresetWide, value: 640 },
+            ]}
+            onChangeValue={(v) =>
+              updateBlock(selectedBlockId, {
+                formWidthPx: v,
+              } as any)
+            }
+          />
+        )}
+
+        <NumericPropertyControl
+          label={m.marginYLabel}
+          unitLabel="(px)"
+          value={typeof formProps.marginYPx === "number" ? formProps.marginYPx : 24}
+          min={0}
+          max={160}
+          step={4}
+          presets={[
+            { id: "none", label: m.marginYPresetNone, value: 0 },
+            { id: "compact", label: m.marginYPresetCompact, value: 16 },
+            { id: "normal", label: m.marginYPresetNormal, value: 24 },
+            { id: "spacious", label: m.marginYPresetSpacious, value: 40 },
+          ]}
+          onChangeValue={(v) =>
+            updateBlock(selectedBlockId, {
+              marginYPx: v,
+            } as any)
+          }
+        />
+      </div>
+
+      <div className="space-y-2 border-t border-slate-800 pt-3 mt-4">
+        <h3 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.messagesSectionTitle}</h3>
+        <label className="flex flex-col gap-1 text-xs text-slate-500 dark:text-slate-400">
+          <span>{m.successMessageLabel}</span>
           <input
-            className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            placeholder="예: 성공적으로 전송되었습니다."
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            placeholder={m.successMessagePlaceholder}
             value={formProps.successMessage ?? ""}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -144,11 +274,11 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
             }
           />
         </label>
-        <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>에러 메시지</span>
+        <label className="flex flex-col gap-1 text-xs text-slate-500 dark:text-slate-400">
+          <span>{m.errorMessageLabel}</span>
           <input
-            className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            placeholder="예: 전송 중 오류가 발생했습니다."
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            placeholder={m.errorMessagePlaceholder}
             value={formProps.errorMessage ?? ""}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -160,10 +290,10 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
       </div>
 
       <div className="space-y-3 border-t border-slate-800 pt-3 mt-4">
-        <h3 className="text-[11px] font-semibold text-slate-200">폼 컨트롤러</h3>
+        <h3 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.controllerSectionTitle}</h3>
 
-        <fieldset className="space-y-2" aria-label="폼 필드 매핑">
-          <legend className="text-[11px] text-slate-400 mb-1">폼 필드 매핑</legend>
+        <fieldset className="space-y-2" aria-label={m.fieldMappingAriaLabel}>
+          <legend className="text-[11px] text-slate-400 mb-1">{m.fieldMappingLegend}</legend>
           {blocks
             .filter((b) =>
               b.type === "formInput" ||
@@ -173,21 +303,28 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
             )
             .map((fieldBlock) => {
               const fieldId = fieldBlock.id;
-              const fieldLabel = (fieldBlock.props as any).label ??
-                (fieldBlock.props as any).groupLabel ??
-                (fieldBlock.props as any).formFieldName ??
-                fieldId;
+              const anyProps: any = fieldBlock.props ?? {};
+
+              const transmissionKey: string | undefined = anyProps.formFieldName;
+              const labelText: string | undefined = anyProps.label ?? anyProps.groupLabel;
+
+              const displayLabel = transmissionKey
+                ? labelText && labelText !== transmissionKey
+                  ? `${transmissionKey} (${labelText})`
+                  : transmissionKey
+                : labelText || fieldId;
 
               const checked = (formProps.fieldIds ?? []).includes(fieldId);
+              const required = (formProps.requiredFieldIds ?? []).includes(fieldId);
 
               return (
                 <label
                   key={fieldId}
-                  className="flex items-center gap-2 text-[11px] text-slate-200"
+                  className="flex items-center gap-2 text-[11px] text-slate-800 dark:text-slate-200"
                 >
                   <input
                     type="checkbox"
-                    className="h-3 w-3 rounded border-slate-600 bg-slate-950"
+                    className="h-3 w-3 rounded border border-slate-300 bg-white text-slate-900 dark:border-slate-600 dark:bg-slate-900"
                     checked={checked}
                     onChange={(e) => {
                       const current = formProps.fieldIds ?? [];
@@ -200,17 +337,35 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
                       } as any);
                     }}
                   />
-                  <span>{fieldLabel}</span>
+                  <span className="flex-1 truncate">{displayLabel}</span>
+                  <label className="inline-flex items-center gap-1 text-[11px] text-slate-400">
+                    <input
+                      type="checkbox"
+                      className="h-3 w-3 rounded border border-slate-300 bg-white text-slate-900 dark:border-slate-600 dark:bg-slate-900"
+                      checked={required}
+                      onChange={(e) => {
+                        const current = formProps.requiredFieldIds ?? [];
+                        const next = e.target.checked
+                          ? Array.from(new Set([...current, fieldId]))
+                          : current.filter((id) => id !== fieldId);
+
+                        updateBlock(selectedBlockId, {
+                          requiredFieldIds: next,
+                        } as any);
+                      }}
+                    />
+                    <span>{m.requiredLabel}</span>
+                  </label>
                 </label>
               );
             })}
         </fieldset>
 
         <div className="space-y-1">
-          <span className="text-[11px] text-slate-400">Submit 버튼</span>
+          <span className="text-[11px] text-slate-400">{m.submitButtonLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-            aria-label="Submit 버튼"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.submitButtonAriaLabel}
             value={formProps.submitButtonId ?? ""}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -218,20 +373,62 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
               } as any)
             }
           >
-            <option value="">선택 안 함</option>
+            <option value="">{m.submitButtonNoneOptionLabel}</option>
             {blocks
               .filter((b) => b.type === "button")
               .map((buttonBlock) => {
                 const btnProps = buttonBlock.props as ButtonBlockProps;
+                const transmissionKey = btnProps.formFieldName;
+                const labelText = btnProps.label;
+                const displayLabel = transmissionKey
+                  ? labelText && labelText !== transmissionKey
+                    ? `${transmissionKey} (${labelText})`
+                    : transmissionKey
+                  : labelText || buttonBlock.id;
+
                 return (
                   <option key={buttonBlock.id} value={buttonBlock.id}>
-                    {btnProps.label || buttonBlock.id}
+                    {displayLabel}
                   </option>
                 );
               })}
           </select>
         </div>
       </div>
+
+      {showSheetsGuide && (
+        <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/60">
+          <div className="w-full max-w-xl rounded border border-slate-200 bg-white px-4 py-3 text-xs text-slate-900 shadow-lg dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100">
+            <div className="mb-2 flex items-center justify-between">
+              <h4 className="text-[11px] font-semibold">{m.sheetsGuideHeading}</h4>
+              <button
+                type="button"
+                className="text-[11px] text-slate-400 hover:text-slate-100"
+                onClick={() => setShowSheetsGuide(false)}
+                aria-label={m.sheetsGuideCloseAriaLabel}
+              >
+                ×
+              </button>
+            </div>
+            <p className="text-[11px] text-slate-500 dark:text-slate-400 leading-relaxed">
+              {m.sheetsGuideIntro}
+            </p>
+            <ol className="list-decimal list-inside space-y-1 text-[11px] text-slate-400 mt-2">
+              <li>{m.sheetsGuideStep1}</li>
+              <li>{m.sheetsGuideStep2}</li>
+              <li>{m.sheetsGuideStep3}</li>
+            </ol>
+            <div className="mt-2 space-y-1">
+              <span className="text-[11px] text-slate-500 dark:text-slate-400">{m.sheetsGuideExampleCodeLabel}</span>
+              <textarea
+                className="w-full h-40 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] font-mono text-slate-900 outline-none dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                readOnly
+                value={sheetsScriptExample}
+              />
+            </div>
+          </div>
+        </div>
+      )}
     </div>
   );
 }

src/app/editor/forms/FormInputPropertiesPanel.tsx

@@ -3,6 +3,8 @@
 import type { Block, FormInputBlockProps } from "@/features/editor/state/editorStore";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorFormInputPanelMessages } from "@/features/i18n/messages/editorFormInputPanel";
 
 interface FormInputPropertiesPanelProps {
 	block: Block;
@@ -11,17 +13,20 @@ interface FormInputPropertiesPanelProps {
 }
 
 export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }: FormInputPropertiesPanelProps) {
+	const locale = useAppLocale();
+	const m = getEditorFormInputPanelMessages(locale);
 	if (!selectedBlockId || block.id !== selectedBlockId || block.type !== "formInput") return null;
 
 	const inputProps = block.props as FormInputBlockProps;
+	const labelDisplay = inputProps.labelDisplay ?? "visible";
 
 	return (
 		<div className="space-y-3 text-xs">
-			<h3 className="text-[11px] font-semibold text-slate-200">입력 필드</h3>
+			<h3 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.sectionTitle}</h3>
 			<label className="flex flex-col gap-1">
-				<span className="text-slate-400">라벨 타입</span>
+				<span className="text-slate-500 dark:text-slate-400">{m.labelTypeLabel}</span>
 				<select
-					className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+					className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
 					value={inputProps.labelMode ?? "text"}
 					onChange={(e) =>
 						updateBlock(selectedBlockId, {
@@ -29,14 +34,14 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 						} as any)
 					}
 				>
-					<option value="text">텍스트</option>
-					<option value="image">이미지</option>
+					<option value="text">{m.labelTypeOptionText}</option>
+					<option value="image">{m.labelTypeOptionImage}</option>
 				</select>
 			</label>
 			<label className="flex flex-col gap-1">
-				<span className="text-slate-400">필드 라벨</span>
+				<span className="text-slate-500 dark:text-slate-400">{m.fieldLabelLabel}</span>
 				<input
-					className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+					className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
 					value={inputProps.label ?? ""}
 					onChange={(e) =>
 						updateBlock(selectedBlockId, {
@@ -45,12 +50,66 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					}
 				/>
 			</label>
+			<label className="flex flex-col gap-1">
+				<span className="text-slate-500 dark:text-slate-400">{m.labelDisplayLabel}</span>
+				<select
+					className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+					value={labelDisplay}
+					onChange={(e) =>
+						updateBlock(selectedBlockId, {
+							labelDisplay: e.target.value,
+						} as any)
+					}
+				>
+					<option value="visible">{m.labelDisplayOptionVisible}</option>
+					<option value="hidden">{m.labelDisplayOptionHidden}</option>
+					<option value="floating">{m.labelDisplayOptionFloating}</option>
+				</select>
+			</label>
+			{labelDisplay === "visible" && (
+				<label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
+					<span>{m.layoutLabel}</span>
+					<select
+						className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+						value={inputProps.labelLayout ?? "stacked"}
+						onChange={(e) =>
+							updateBlock(selectedBlockId, {
+								labelLayout: e.target.value,
+							} as any)
+						}
+					>
+						<option value="stacked">{m.layoutOptionStacked}</option>
+						<option value="inline">{m.layoutOptionInline}</option>
+					</select>
+				</label>
+			)}
+			{labelDisplay === "visible" && (inputProps.labelLayout ?? "stacked") === "inline" && (
+				<NumericPropertyControl
+					label={m.labelGapLabel}
+					unitLabel={m.labelGapUnitLabel}
+					value={typeof inputProps.labelGapPx === "number" ? inputProps.labelGapPx : 8}
+					min={0}
+					max={80}
+					step={2}
+					presets={[
+						{ id: "tight", label: "Tight", value: 4 },
+						{ id: "normal", label: "Normal", value: 8 },
+						{ id: "relaxed", label: "Relaxed", value: 12 },
+						{ id: "extra", label: "Extra", value: 16 },
+					]}
+					onChangeValue={(v) =>
+						updateBlock(selectedBlockId, {
+							labelGapPx: v,
+						} as any)
+					}
+				/>
+			)}
 			{inputProps.labelMode === "image" && (
 				<>
 					<label className="flex flex-col gap-1">
-						<span className="text-slate-400">라벨 이미지 URL</span>
+						<span className="text-slate-500 dark:text-slate-400">{m.labelImageUrlLabel}</span>
 						<input
-							className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+							className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
 							value={inputProps.labelImageUrl ?? ""}
 							onChange={(e) =>
 								updateBlock(selectedBlockId, {
@@ -60,9 +119,9 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 						/>
 					</label>
 					<label className="flex flex-col gap-1">
-						<span className="text-slate-400">라벨 이미지 대체 텍스트</span>
+						<span className="text-slate-500 dark:text-slate-400">{m.labelImageAltLabel}</span>
 						<input
-							className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+							className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
 							value={inputProps.labelImageAlt ?? ""}
 							onChange={(e) =>
 								updateBlock(selectedBlockId, {
@@ -74,9 +133,9 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 				</>
 			)}
 			<label className="flex flex-col gap-1">
-				<span className="text-slate-400">전송 키</span>
+				<span className="text-slate-500 dark:text-slate-400">{m.submitKeyLabel}</span>
 				<input
-					className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+					className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
 					value={inputProps.formFieldName ?? ""}
 					onChange={(e) =>
 						updateBlock(selectedBlockId, {
@@ -86,10 +145,10 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 				/>
 			</label>
 			<label className="flex flex-col gap-1">
-				<span className="text-slate-400">필드 타입</span>
+				<span className="text-slate-500 dark:text-slate-400">{m.fieldTypeLabel}</span>
 				<select
-					className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-					aria-label="필드 타입"
+					className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+					aria-label={m.fieldTypeAria}
 					value={inputProps.inputType ?? "text"}
 					onChange={(e) =>
 						updateBlock(selectedBlockId, {
@@ -97,16 +156,16 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 						} as any)
 					}
 				>
-					<option value="text">텍스트</option>
-					<option value="email">이메일</option>
-					<option value="textarea">긴 텍스트</option>
+					<option value="text">{m.fieldTypeOptionText}</option>
+					<option value="email">{m.fieldTypeOptionEmail}</option>
+					<option value="textarea">{m.fieldTypeOptionTextarea}</option>
 				</select>
 			</label>
 			<label className="flex flex-col gap-1">
-				<span className="text-slate-400">Placeholder</span>
+				<span className="text-slate-500 dark:text-slate-400">{m.placeholderLabel}</span>
 				<input
-					className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
-					aria-label="Placeholder"
+					className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+					aria-label={m.placeholderAria}
 					value={inputProps.placeholder ?? ""}
 					onChange={(e) =>
 						updateBlock(selectedBlockId, {
@@ -116,23 +175,13 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 				/>
 			</label>
 			<label className="inline-flex items-center gap-2">
-				<input
-					type="checkbox"
-					className="h-3 w-3 rounded border border-slate-600 bg-slate-900"
-					checked={Boolean(inputProps.required)}
-					onChange={(e) =>
-						updateBlock(selectedBlockId, {
-							required: e.target.checked,
-						} as any)
-					}
-				/>
-				<span className="text-slate-400">필수 필드</span>
+				<span className="text-slate-500 dark:text-slate-400">{m.requiredNoticeText}</span>
 			</label>
 			<div className="mt-3 space-y-2 border-t border-slate-800 pt-3">
-				<h4 className="text-[11px] font-semibold text-slate-200">필드 스타일</h4>
+				<h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.styleSectionTitle}</h4>
 				<NumericPropertyControl
-					label="필드 텍스트 크기 (px)"
-					unitLabel="(px)"
+					label={m.textSizeLabel}
+					unitLabel={m.textSizeUnitLabel}
 					value={(() => {
 						const raw = inputProps.fontSizeCustom ?? "";
 						const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
@@ -157,8 +206,8 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 				/>
 				{/* 줄간격 px 입력을 노출하여 preview em 변환의 근거를 제공 */}
 				<NumericPropertyControl
-					label="필드 줄간격 (px)"
-					unitLabel="(px)"
+					label={m.lineHeightLabel}
+					unitLabel={m.lineHeightUnitLabel}
 					value={(() => {
 						const raw = inputProps.lineHeightCustom ?? "";
 						const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
@@ -169,9 +218,9 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					max={60}
 					step={1}
 					presets={[
-						{ id: "tight", label: "타이트", value: 18 },
-						{ id: "normal", label: "보통", value: 24 },
-						{ id: "loose", label: "루즈", value: 32 },
+						{ id: "tight", label: "Tight", value: 18 },
+						{ id: "normal", label: "Normal", value: 24 },
+						{ id: "loose", label: "Loose", value: 32 },
 					]}
 					onChangeValue={(v) => {
 						updateBlock(selectedBlockId, {
@@ -181,8 +230,8 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 				/>
 				{/* 자간 px 입력으로 폼 입력 타이포를 세밀하게 조정 */}
 				<NumericPropertyControl
-					label="필드 자간 (px)"
-					unitLabel="(px)"
+					label={m.letterSpacingLabel}
+					unitLabel={m.letterSpacingUnitLabel}
 					value={(() => {
 						const raw = inputProps.letterSpacingCustom ?? "";
 						const match = raw.match(/(-?[0-9]+(?:\.[0-9]+)?)/);
@@ -193,9 +242,9 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					max={20}
 					step={0.5}
 					presets={[
-						{ id: "tight", label: "좁게", value: -1 },
-						{ id: "normal", label: "보통", value: 0 },
-						{ id: "wide", label: "넓게", value: 2 },
+						{ id: "tight", label: "Tight", value: -1 },
+						{ id: "normal", label: "Normal", value: 0 },
+						{ id: "wide", label: "Wide", value: 2 },
 					]}
 					onChangeValue={(v) => {
 						updateBlock(selectedBlockId, {
@@ -203,10 +252,10 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 						} as any);
 					}}
 				/>
-				<label className="flex flex-col gap-1 text-[11px] text-slate-400">
-					<span>텍스트 정렬</span>
+				<label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
+					<span>{m.textAlignLabel}</span>
 					<select
-						className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+						className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
 						value={inputProps.align ?? "left"}
 						onChange={(e) =>
 							updateBlock(selectedBlockId, {
@@ -214,51 +263,16 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 							} as any)
 						}
 					>
-						<option value="left">왼쪽</option>
-						<option value="center">가운데</option>
-						<option value="right">오른쪽</option>
+						<option value="left">{m.textAlignOptionLeft}</option>
+						<option value="center">{m.textAlignOptionCenter}</option>
+						<option value="right">{m.textAlignOptionRight}</option>
 					</select>
 				</label>
-				<label className="flex flex-col gap-1 text-[11px] text-slate-400">
-					<span>레이아웃</span>
+				<label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
+					<span>{m.widthModeLabel}</span>
 					<select
-						className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-						value={inputProps.labelLayout ?? "stacked"}
-						onChange={(e) =>
-							updateBlock(selectedBlockId, {
-								labelLayout: e.target.value,
-							} as any)
-						}
-					>
-						<option value="stacked">세로 (기본)</option>
-						<option value="inline">가로 (인라인)</option>
-					</select>
-				</label>
-				{(inputProps.labelLayout ?? "stacked") === "inline" && (
-					<NumericPropertyControl
-						label="라벨/필드 간격 (px)"
-						unitLabel="(px)"
-						value={typeof inputProps.labelGapPx === "number" ? inputProps.labelGapPx : 8}
-						min={0}
-						max={80}
-						step={2}
-						presets={[
-							{ id: "tight", label: "타이트", value: 4 },
-							{ id: "normal", label: "보통", value: 8 },
-							{ id: "relaxed", label: "느슨", value: 12 },
-							{ id: "extra", label: "넓게", value: 16 },
-						]}
-						onChangeValue={(v) =>
-							updateBlock(selectedBlockId, {
-								labelGapPx: v,
-							} as any)
-						}
-					/>
-				)}
-				<label className="flex flex-col gap-1 text-[11px] text-slate-400">
-					<span>너비</span>
-					<select
-						className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+						className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+						aria-label={m.widthModeAria}
 						value={inputProps.widthMode ?? "full"}
 						onChange={(e) =>
 							updateBlock(selectedBlockId, {
@@ -266,44 +280,42 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 							} as any)
 						}
 					>
-						<option value="auto">자동</option>
-						<option value="full">전체 폭</option>
-						<option value="fixed">고정 값</option>
+						<option value="auto">{m.widthModeOptionAuto}</option>
+						<option value="full">{m.widthModeOptionFull}</option>
+						<option value="fixed">{m.widthModeOptionFixed}</option>
 					</select>
 				</label>
-				{(inputProps.widthMode ?? "full") === "fixed" && (
-					<NumericPropertyControl
-						label="필드 고정 너비"
-						unitLabel="(px)"
-						value={inputProps.widthPx ?? 240}
-						min={80}
-						max={800}
-						step={10}
-						presets={[
-							{ id: "sm", label: "작게", value: 200 },
-							{ id: "md", label: "보통", value: 280 },
-							{ id: "lg", label: "넓게", value: 360 },
-						]}
-						onChangeValue={(v) => {
-							updateBlock(selectedBlockId, {
-								widthPx: v,
-							} as any);
-						}}
-					/>
-				)}
 				<NumericPropertyControl
-					label="필드 가로 패딩 (px)"
-					unitLabel="(px)"
+					label={m.fixedWidthLabel}
+					unitLabel={m.fixedWidthUnitLabel}
+					value={inputProps.widthPx ?? 240}
+					min={80}
+					max={800}
+					step={10}
+					presets={[
+						{ id: "sm", label: "Small", value: 200 },
+						{ id: "md", label: "Medium", value: 280 },
+						{ id: "lg", label: "Large", value: 360 },
+					]}
+					onChangeValue={(v) => {
+						updateBlock(selectedBlockId, {
+							widthPx: v,
+						} as any);
+					}}
+				/>
+				<NumericPropertyControl
+					label={m.paddingXLabel}
+					unitLabel={m.paddingXUnitLabel}
 					value={typeof inputProps.paddingX === "number" ? inputProps.paddingX : 12}
 					min={0}
 					max={60}
 					step={2}
 					presets={[
-						{ id: "xs", label: "아주 얇게", value: 6 },
-						{ id: "sm", label: "얇게", value: 10 },
-						{ id: "md", label: "보통", value: 12 },
-						{ id: "lg", label: "넓게", value: 16 },
-						{ id: "xl", label: "아주 넓게", value: 20 },
+						{ id: "xs", label: "Extra thin", value: 6 },
+						{ id: "sm", label: "Thin", value: 10 },
+						{ id: "md", label: "Normal", value: 12 },
+						{ id: "lg", label: "Wide", value: 16 },
+						{ id: "xl", label: "Extra wide", value: 20 },
 					]}
 					onChangeValue={(v) => {
 						updateBlock(selectedBlockId, {
@@ -312,18 +324,18 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					}}
 				/>
 				<NumericPropertyControl
-					label="필드 세로 패딩 (px)"
-					unitLabel="(px)"
+					label={m.paddingYLabel}
+					unitLabel={m.paddingYUnitLabel}
 					value={typeof inputProps.paddingY === "number" ? inputProps.paddingY : 10}
 					min={0}
 					max={40}
 					step={1}
 					presets={[
-						{ id: "xs", label: "아주 얇게", value: 6 },
-						{ id: "sm", label: "얇게", value: 8 },
-						{ id: "md", label: "보통", value: 10 },
-						{ id: "lg", label: "넓게", value: 12 },
-						{ id: "xl", label: "아주 넓게", value: 16 },
+						{ id: "xs", label: "Extra thin", value: 6 },
+						{ id: "sm", label: "Thin", value: 8 },
+						{ id: "md", label: "Normal", value: 10 },
+						{ id: "lg", label: "Wide", value: 12 },
+						{ id: "xl", label: "Extra wide", value: 16 },
 					]}
 					onChangeValue={(v) => {
 						updateBlock(selectedBlockId, {
@@ -332,13 +344,13 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					}}
 				/>
 				<ColorPickerField
-					label="필드 텍스트 색상"
-					ariaLabelColorInput="필드 텍스트 색상 피커"
-					ariaLabelHexInput="필드 텍스트 색상 HEX"
+					label={m.textColorLabel}
+					ariaLabelColorInput={m.textColorPickerAria}
+					ariaLabelHexInput={m.textColorHexAria}
 					value={
 						inputProps.textColorCustom && inputProps.textColorCustom.trim() !== ""
 							? inputProps.textColorCustom
-							: "#f9fafb"
+							: ""
 					}
 					onChange={(hex) => {
 						updateBlock(selectedBlockId, {
@@ -353,13 +365,13 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					}}
 				/>
 				<ColorPickerField
-					label="필드 채움 색상"
-					ariaLabelColorInput="필드 채움 색상 피커"
-					ariaLabelHexInput="필드 채움 색상 HEX"
+					label={m.fillColorLabel}
+					ariaLabelColorInput={m.fillColorPickerAria}
+					ariaLabelHexInput={m.fillColorHexAria}
 					value={
 						inputProps.fillColorCustom && inputProps.fillColorCustom.trim() !== ""
 							? inputProps.fillColorCustom
-							: TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+							: ""
 					}
 					onChange={(hex) => {
 						updateBlock(selectedBlockId, {
@@ -374,13 +386,13 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					}}
 				/>
 				<ColorPickerField
-					label="필드 테두리 색상"
-					ariaLabelColorInput="필드 테두리 색상 피커"
-					ariaLabelHexInput="필드 테두리 색상 HEX"
+					label={m.strokeColorLabel}
+					ariaLabelColorInput={m.strokeColorPickerAria}
+					ariaLabelHexInput={m.strokeColorHexAria}
 					value={
 						inputProps.strokeColorCustom && inputProps.strokeColorCustom.trim() !== ""
 							? inputProps.strokeColorCustom
-							: TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+							: ""
 					}
 					onChange={(hex) => {
 						updateBlock(selectedBlockId, {
@@ -395,7 +407,7 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					}}
 				/>
 				<NumericPropertyControl
-					label="필드 모서리 둥글기"
+					label={m.borderRadiusLabel}
 					value={(() => {
 						const r = inputProps.borderRadius ?? "md";
 						return r === "none" ? 0 : r === "sm" ? 2 : r === "lg" ? 6 : r === "full" ? 8 : 4;
@@ -404,15 +416,14 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					max={8}
 					step={1}
 					presets={[
-						{ id: "none", label: "없음", value: 0 },
-						{ id: "sm", label: "작게", value: 2 },
-						{ id: "md", label: "보통", value: 4 },
-						{ id: "lg", label: "크게", value: 6 },
-						{ id: "full", label: "완전 둥글게", value: 8 },
+						{ id: "none", label: m.borderRadiusPresetNone, value: 0 },
+						{ id: "sm", label: m.borderRadiusPresetSmall, value: 2 },
+						{ id: "md", label: m.borderRadiusPresetMedium, value: 4 },
+						{ id: "lg", label: m.borderRadiusPresetLarge, value: 6 },
+						{ id: "full", label: m.borderRadiusPresetFull, value: 8 },
 					]}
 					onChangeValue={(v) => {
-						const next =
-							v <= 0 ? "none" : v <= 2 ? "sm" : v <= 5 ? "md" : v <= 7 ? "lg" : "full";
+						const next = v <= 0 ? "none" : v <= 2 ? "sm" : v <= 5 ? "md" : v <= 7 ? "lg" : "full";
 						updateBlock(selectedBlockId, {
 							borderRadius: next,
 						} as any);

src/app/editor/forms/FormRadioPropertiesPanel.tsx

@@ -3,6 +3,8 @@
 import type { Block, FormRadioBlockProps } from "@/features/editor/state/editorStore";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorFormRadioPanelMessages } from "@/features/i18n/messages/editorFormRadioPanel";
 
 interface FormRadioPropertiesPanelProps {
   block: Block;
@@ -11,18 +13,21 @@ interface FormRadioPropertiesPanelProps {
 }
 
 export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }: FormRadioPropertiesPanelProps) {
+  const locale = useAppLocale();
+  const m = getEditorFormRadioPanelMessages(locale);
   if (!selectedBlockId || block.id !== selectedBlockId) return null;
 
   const radioProps = block.props as FormRadioBlockProps;
+  const groupLabelDisplay = radioProps.groupLabelDisplay ?? "visible";
 
   return (
     <div className="space-y-3 text-xs">
-      <h3 className="text-[11px] font-semibold text-slate-200">라디오 필드</h3>
+      <h3 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.sectionTitle}</h3>
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">그룹 타이틀 타입</span>
+        <span className="text-slate-500 dark:text-slate-400">{m.groupTitleTypeLabel}</span>
         <select
-          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
           value={radioProps.groupLabelMode ?? "text"}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -30,15 +35,87 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             } as any)
           }
         >
-          <option value="text">텍스트</option>
-          <option value="image">이미지</option>
+          <option value="text">{m.groupTitleTypeOptionText}</option>
+          <option value="image">{m.groupTitleTypeOptionImage}</option>
         </select>
       </label>
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">그룹 타이틀</span>
+        <span className="text-slate-500 dark:text-slate-400">{m.groupTitleDisplayLabel}</span>
+        <select
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+          value={groupLabelDisplay}
+          onChange={(e) =>
+            updateBlock(selectedBlockId, {
+              groupLabelDisplay: e.target.value,
+            } as any)
+          }
+        >
+          <option value="visible">{m.groupTitleDisplayOptionVisible}</option>
+          <option value="hidden">{m.groupTitleDisplayOptionHidden}</option>
+        </select>
+      </label>
+
+      {groupLabelDisplay === "visible" && (
+        <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
+          <span>{m.layoutLabel}</span>
+          <select
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            value={radioProps.labelLayout ?? "stacked"}
+            onChange={(e) =>
+              updateBlock(selectedBlockId, {
+                labelLayout: e.target.value,
+              } as any)
+            }
+          >
+            <option value="stacked">{m.layoutOptionStacked}</option>
+            <option value="inline">{m.layoutOptionInline}</option>
+          </select>
+        </label>
+      )}
+
+      <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
+        <span>{m.optionLayoutLabel}</span>
+        <select
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+          value={radioProps.optionLayout ?? "stacked"}
+          onChange={(e) =>
+            updateBlock(selectedBlockId, {
+              optionLayout: e.target.value,
+            } as any)
+          }
+        >
+          <option value="stacked">{m.optionLayoutOptionStacked}</option>
+          <option value="inline">{m.optionLayoutOptionInline}</option>
+        </select>
+      </label>
+
+      {groupLabelDisplay === "visible" && (radioProps.labelLayout ?? "stacked") === "inline" && (
+        <NumericPropertyControl
+          label={m.labelGapLabel}
+          unitLabel="(px)"
+          value={typeof radioProps.labelGapPx === "number" ? radioProps.labelGapPx : 8}
+          min={0}
+          max={80}
+          step={2}
+          presets={[
+            { id: "tight", label: "Tight", value: 4 },
+            { id: "normal", label: "Normal", value: 8 },
+            { id: "relaxed", label: "Relaxed", value: 12 },
+            { id: "extra", label: "Extra", value: 16 },
+          ]}
+          onChangeValue={(v) =>
+            updateBlock(selectedBlockId, {
+              labelGapPx: v,
+            } as any)
+          }
+        />
+      )}
+
+      <label className="flex flex-col gap-1">
+        <span className="text-slate-500 dark:text-slate-400">{m.groupTitleLabel}</span>
         <input
-          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
           value={radioProps.groupLabel ?? ""}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -58,9 +135,9 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
         return (
           <div className="space-y-1">
             <label className="flex flex-col gap-1">
-              <span className="text-slate-400">그룹 타이틀 이미지 소스</span>
+              <span className="text-slate-400">{m.groupTitleImageSourceLabel}</span>
               <select
-                className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+                className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
                 value={source}
                 onChange={(e) =>
                   updateBlock(selectedBlockId, {
@@ -68,16 +145,16 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
                   } as any)
                 }
               >
-                <option value="url">URL</option>
-                <option value="upload">파일 업로드</option>
+                <option value="url">{m.groupTitleImageSourceOptionUrl}</option>
+                <option value="upload">{m.groupTitleImageSourceOptionUpload}</option>
               </select>
             </label>
 
             {source === "url" && (
               <label className="flex flex-col gap-1">
-                <span className="text-slate-400">그룹 타이틀 이미지 URL</span>
+                <span className="text-slate-400">{m.groupTitleImageUrlLabel}</span>
                 <input
-                  className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+                  className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
                   value={radioProps.groupLabelImageUrl ?? ""}
                   onChange={(e) =>
                     updateBlock(selectedBlockId, {
@@ -90,12 +167,12 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
 
             {source === "upload" && (
               <label className="flex flex-col gap-1">
-                <span className="text-slate-400">그룹 타이틀 이미지 파일 업로드</span>
+                <span className="text-slate-400">{m.groupTitleImageUploadLabel}</span>
                 <input
                   type="file"
                   accept="image/*"
                   className="w-full text-[11px] text-slate-300 file:mr-2 file:rounded file:border file:border-slate-700 file:bg-slate-800 file:px-2 file:py-1 file:text-[11px] file:text-slate-100 hover:file:bg-slate-700"
-                  aria-label="그룹 타이틀 이미지 파일 업로드"
+                  aria-label={m.groupTitleImageUploadAria}
                   onChange={async (event) => {
                     const file = event.target.files?.[0];
                     if (!file) return;
@@ -135,9 +212,9 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
       })()}
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">전송 키</span>
+        <span className="text-slate-500 dark:text-slate-400">{m.submitKeyLabel}</span>
         <input
-          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
           value={radioProps.formFieldName ?? ""}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -149,16 +226,16 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
 
       <div className="space-y-2">
         <div className="flex items-center justify-between">
-          <span className="text-slate-400">옵션</span>
+          <span className="text-slate-500 dark:text-slate-400">{m.optionsLabel}</span>
           <button
             type="button"
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-0.5 text-[10px] text-slate-200 hover:bg-slate-800"
+            className="rounded border border-slate-300 bg-white px-2 py-0.5 text-[10px] text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-red-900/60 dark:hover:border-red-700"
             onClick={() => {
               const next = Array.isArray((radioProps as any).options)
                 ? [...(radioProps as any).options]
                 : [];
               next.push({
-                label: "새 옵션",
+                label: "New option",
                 value: `option_${next.length + 1}`,
               });
               updateBlock(selectedBlockId, {
@@ -166,14 +243,14 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
               } as any);
             }}
           >
-            옵션 추가
+            {m.addOptionButtonLabel}
           </button>
         </div>
         <div className="space-y-2">
           <label className="flex flex-col gap-1">
-            <span className="text-slate-400">옵션 이미지 소스</span>
+            <span className="text-slate-500 dark:text-slate-400">{m.optionImageSourceLabel}</span>
             <select
-              className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
               value={(() => {
                 if (radioProps.optionImageSource) return radioProps.optionImageSource;
                 const first = (((radioProps as any).options ?? []) as any[])[0];
@@ -186,17 +263,17 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
                 } as any)
               }
             >
-              <option value="url">URL</option>
-              <option value="upload">파일 업로드</option>
+              <option value="url">{m.optionImageSourceOptionUrl}</option>
+              <option value="upload">{m.optionImageSourceOptionUpload}</option>
             </select>
           </label>
 
           {(((radioProps as any).options ?? []) as any[]).map((opt, index) => (
             <div key={opt.value ?? index} className="space-y-1 rounded border border-slate-800 p-2">
-              <div className="flex items-center gap-1">
+              <div className="grid grid-cols-[minmax(0,1fr)_minmax(0,1fr)_auto] items-center gap-1">
                 <input
-                  className="flex-1 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                  placeholder="라벨"
+                  className="flex-1 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                  placeholder={m.optionLabelPlaceholder}
                   value={opt.label ?? ""}
                   onChange={(e) => {
                     const next = [...(((radioProps as any).options ?? []) as any[])];
@@ -210,8 +287,8 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
                   }}
                 />
                 <input
-                  className="flex-1 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                  placeholder="값(value)"
+                  className="flex-1 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                  placeholder={m.optionValuePlaceholder}
                   value={opt.value ?? ""}
                   onChange={(e) => {
                     const next = [...(((radioProps as any).options ?? []) as any[])];
@@ -226,7 +303,7 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
                 />
                 <button
                   type="button"
-                  className="h-7 w-7 rounded border border-slate-700 bg-slate-950 text-[10px] text-slate-300 hover:bg-red-900/60 hover:border-red-700"
+                  className="h-7 w-7 rounded border border-slate-300 bg-white text-[10px] text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-red-900/60 dark:hover:border-red-700"
                   onClick={() => {
                     const next = (((radioProps as any).options ?? []) as any[]).filter((_, i) => i !== index);
                     updateBlock(selectedBlockId, {
@@ -247,8 +324,8 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
                     <>
                       {source === "url" && (
                         <input
-                          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                          placeholder="옵션 이미지 URL (선택)"
+                          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                          placeholder={m.optionImageUrlPlaceholder}
                           value={opt.labelImageUrl ?? ""}
                           onChange={(e) => {
                             const next = [...(((radioProps as any).options ?? []) as any[])];
@@ -264,12 +341,12 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
                       )}
                       {source === "upload" && (
                         <label className="flex flex-col gap-1">
-                          <span className="text-slate-400">옵션 이미지 파일 업로드</span>
+                          <span className="text-slate-500 dark:text-slate-400">{m.optionImageUploadLabel}</span>
                           <input
                             type="file"
                             accept="image/*"
                             className="w-full text-[11px] text-slate-300 file:mr-2 file:rounded file:border file:border-slate-700 file:bg-slate-800 file:px-2 file:py-1 file:text-[11px] file:text-slate-100 hover:file:bg-slate-700"
-                            aria-label="옵션 이미지 파일 업로드"
+                            aria-label={m.optionImageUploadAria}
                             onChange={async (event) => {
                               const file = event.target.files?.[0];
                               if (!file) return;
@@ -320,25 +397,15 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
       </div>
 
       <label className="inline-flex items-center gap-2">
-        <input
-          type="checkbox"
-          className="h-3 w-3 rounded border border-slate-600 bg-slate-900"
-          checked={Boolean(radioProps.required)}
-          onChange={(e) =>
-            updateBlock(selectedBlockId, {
-              required: e.target.checked,
-            } as any)
-          }
-        />
-        <span className="text-slate-400">필수 필드</span>
+        <span className="text-slate-500">{m.requiredNoticeText}</span>
       </label>
 
       <div className="mt-3 space-y-2 border-t border-slate-800 pt-3">
-        <h4 className="text-[11px] font-semibold text-slate-200">필드 스타일</h4>
-        {/* 라디오 타이포 px 값을 직접 입력받아 em 스케일 변환 로직과 연동한다 */}
+        <h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.styleSectionTitle}</h4>
+
         <NumericPropertyControl
-          label="라디오 텍스트 크기 (px)"
-          unitLabel="(px)"
+          label={m.textSizeLabel}
+          unitLabel={m.textSizeUnitLabel}
           value={(() => {
             const raw = radioProps.fontSizeCustom ?? "";
             const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
@@ -361,10 +428,10 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             } as any);
           }}
         />
-        {/* 줄간격 px 입력을 노출하여 preview 에서 em 변환 근거로 사용 */}
+
         <NumericPropertyControl
-          label="라디오 줄간격 (px)"
-          unitLabel="(px)"
+          label={m.lineHeightLabel}
+          unitLabel={m.lineHeightUnitLabel}
           value={(() => {
             const raw = radioProps.lineHeightCustom ?? "";
             const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
@@ -375,9 +442,9 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
           max={60}
           step={1}
           presets={[
-            { id: "tight", label: "타이트", value: 18 },
-            { id: "normal", label: "보통", value: 24 },
-            { id: "loose", label: "루즈", value: 32 },
+            { id: "tight", label: "Tight", value: 18 },
+            { id: "normal", label: "Normal", value: 24 },
+            { id: "loose", label: "Loose", value: 32 },
           ]}
           onChangeValue={(v) => {
             updateBlock(selectedBlockId, {
@@ -385,10 +452,10 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             } as any);
           }}
         />
-        {/* 자간 px 입력 컨트롤로 프리뷰 적용 근거 제공 */}
+
         <NumericPropertyControl
-          label="라디오 자간 (px)"
-          unitLabel="(px)"
+          label={m.letterSpacingLabel}
+          unitLabel={m.letterSpacingUnitLabel}
           value={(() => {
             const raw = radioProps.letterSpacingCustom ?? "";
             const match = raw.match(/(-?[0-9]+(?:\.[0-9]+)?)/);
@@ -399,9 +466,9 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
           max={20}
           step={0.5}
           presets={[
-            { id: "tight", label: "좁게", value: -1 },
-            { id: "normal", label: "보통", value: 0 },
-            { id: "wide", label: "넓게", value: 2 },
+            { id: "tight", label: "Tight", value: -1 },
+            { id: "normal", label: "Normal", value: 0 },
+            { id: "wide", label: "Wide", value: 2 },
           ]}
           onChangeValue={(v) => {
             updateBlock(selectedBlockId, {
@@ -409,10 +476,11 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             } as any);
           }}
         />
+
         <label className="flex flex-col gap-1 text-[11px] text-slate-400">
-          <span>필드 너비</span>
+          <span>Field width</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
             value={radioProps.widthMode ?? "full"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -420,23 +488,24 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
               } as any)
             }
           >
-            <option value="auto">자동</option>
-            <option value="full">전체 폭</option>
-            <option value="fixed">고정 값</option>
+            <option value="auto">Auto</option>
+            <option value="full">Full width</option>
+            <option value="fixed">Fixed width</option>
           </select>
         </label>
+
         {(radioProps.widthMode ?? "full") === "fixed" && (
           <NumericPropertyControl
-            label="필드 고정 너비"
+            label="Field fixed width"
             unitLabel="(px)"
             value={radioProps.widthPx ?? 240}
             min={80}
             max={800}
             step={10}
             presets={[
-              { id: "sm", label: "작게", value: 200 },
-              { id: "md", label: "보통", value: 280 },
-              { id: "lg", label: "넓게", value: 360 },
+              { id: "sm", label: "Small", value: 200 },
+              { id: "md", label: "Medium", value: 280 },
+              { id: "lg", label: "Large", value: 360 },
             ]}
             onChangeValue={(v) => {
               updateBlock(selectedBlockId, {
@@ -445,19 +514,20 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             }}
           />
         )}
+
         <NumericPropertyControl
-          label="라디오 가로 패딩 (px)"
-          unitLabel="(px)"
+          label={m.paddingXLabel}
+          unitLabel={m.paddingXUnitLabel}
           value={typeof radioProps.paddingX === "number" ? radioProps.paddingX : 12}
           min={0}
           max={60}
           step={2}
           presets={[
-            { id: "xs", label: "아주 얇게", value: 6 },
-            { id: "sm", label: "얇게", value: 10 },
-            { id: "md", label: "보통", value: 12 },
-            { id: "lg", label: "넓게", value: 16 },
-            { id: "xl", label: "아주 넓게", value: 20 },
+            { id: "xs", label: "Extra small", value: 6 },
+            { id: "sm", label: "Small", value: 10 },
+            { id: "md", label: "Medium", value: 12 },
+            { id: "lg", label: "Large", value: 16 },
+            { id: "xl", label: "Extra large", value: 20 },
           ]}
           onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
@@ -465,19 +535,20 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             } as any)
           }
         />
+
         <NumericPropertyControl
-          label="라디오 세로 패딩 (px)"
-          unitLabel="(px)"
+          label={m.paddingYLabel}
+          unitLabel={m.paddingYUnitLabel}
           value={typeof radioProps.paddingY === "number" ? radioProps.paddingY : 10}
           min={0}
           max={40}
           step={1}
           presets={[
-            { id: "xs", label: "아주 얇게", value: 6 },
-            { id: "sm", label: "얇게", value: 8 },
-            { id: "md", label: "보통", value: 10 },
-            { id: "lg", label: "넓게", value: 12 },
-            { id: "xl", label: "아주 넓게", value: 16 },
+            { id: "xs", label: "Extra small", value: 6 },
+            { id: "sm", label: "Small", value: 8 },
+            { id: "md", label: "Medium", value: 10 },
+            { id: "lg", label: "Large", value: 12 },
+            { id: "xl", label: "Extra large", value: 16 },
           ]}
           onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
@@ -485,18 +556,19 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             } as any)
           }
         />
+
         <NumericPropertyControl
-          label="라디오 옵션 간격 (px)"
-          unitLabel="(px)"
+          label={m.optionGapLabel}
+          unitLabel={m.optionGapUnitLabel}
           value={typeof radioProps.optionGapPx === "number" ? radioProps.optionGapPx : 4}
           min={0}
           max={40}
           step={1}
           presets={[
-            { id: "tight", label: "타이트", value: 2 },
-            { id: "normal", label: "보통", value: 4 },
-            { id: "relaxed", label: "느슨", value: 8 },
-            { id: "extra", label: "넓게", value: 12 },
+            { id: "tight", label: "Tight", value: 2 },
+            { id: "normal", label: "Normal", value: 4 },
+            { id: "relaxed", label: "Relaxed", value: 8 },
+            { id: "extra", label: "Extra", value: 12 },
           ]}
           onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
@@ -504,14 +576,15 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             } as any)
           }
         />
+
         <ColorPickerField
-          label="텍스트 색상"
-          ariaLabelColorInput="라디오 텍스트 색상 피커"
-          ariaLabelHexInput="라디오 텍스트 색상 HEX"
+          label={m.textColorLabel}
+          ariaLabelColorInput={m.textColorPickerAria}
+          ariaLabelHexInput={m.textColorHexAria}
           value={
             radioProps.textColorCustom && radioProps.textColorCustom.trim() !== ""
               ? radioProps.textColorCustom
-              : "#f9fafb"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -525,14 +598,15 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             } as any);
           }}
         />
+
         <ColorPickerField
-          label="배경 색상"
-          ariaLabelColorInput="라디오 배경 색상 피커"
-          ariaLabelHexInput="라디오 배경 색상 HEX"
+          label={m.fillColorLabel}
+          ariaLabelColorInput={m.fillColorPickerAria}
+          ariaLabelHexInput={m.fillColorHexAria}
           value={
             radioProps.fillColorCustom && radioProps.fillColorCustom.trim() !== ""
               ? radioProps.fillColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -546,14 +620,15 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             } as any);
           }}
         />
+
         <ColorPickerField
-          label="테두리 색상"
-          ariaLabelColorInput="라디오 테두리 색상 피커"
-          ariaLabelHexInput="라디오 테두리 색상 HEX"
+          label={m.strokeColorLabel}
+          ariaLabelColorInput={m.strokeColorPickerAria}
+          ariaLabelHexInput={m.strokeColorHexAria}
           value={
             radioProps.strokeColorCustom && radioProps.strokeColorCustom.trim() !== ""
               ? radioProps.strokeColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -567,8 +642,9 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             } as any);
           }}
         />
+
         <NumericPropertyControl
-          label="필드 모서리 둥글기"
+          label={m.borderRadiusLabel}
           value={(() => {
             const r = radioProps.borderRadius ?? "md";
             return r === "none" ? 0 : r === "sm" ? 2 : r === "lg" ? 6 : r === "full" ? 8 : 4;
@@ -577,11 +653,11 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
           max={8}
           step={1}
           presets={[
-            { id: "none", label: "없음", value: 0 },
-            { id: "sm", label: "작게", value: 2 },
-            { id: "md", label: "보통", value: 4 },
-            { id: "lg", label: "크게", value: 6 },
-            { id: "full", label: "완전 둥글게", value: 8 },
+            { id: "none", label: m.borderRadiusPresetNone, value: 0 },
+            { id: "sm", label: m.borderRadiusPresetSmall, value: 2 },
+            { id: "md", label: m.borderRadiusPresetMedium, value: 4 },
+            { id: "lg", label: m.borderRadiusPresetLarge, value: 6 },
+            { id: "full", label: m.borderRadiusPresetFull, value: 8 },
           ]}
           onChangeValue={(v) => {
             const next =

src/app/editor/forms/FormSelectPropertiesPanel.tsx

@@ -3,6 +3,8 @@
 import type { Block, FormSelectBlockProps } from "@/features/editor/state/editorStore";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorFormSelectPanelMessages } from "@/features/i18n/messages/editorFormSelectPanel";
 
 interface FormSelectPropertiesPanelProps {
   block: Block;
@@ -11,18 +13,21 @@ interface FormSelectPropertiesPanelProps {
 }
 
 export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock }: FormSelectPropertiesPanelProps) {
+  const locale = useAppLocale();
+  const m = getEditorFormSelectPanelMessages(locale);
   if (!selectedBlockId || block.id !== selectedBlockId) return null;
 
   const selectProps = block.props as FormSelectBlockProps;
+  const labelDisplay = selectProps.labelDisplay ?? "visible";
 
   return (
     <div className="space-y-3 text-xs">
-      <h3 className="text-[11px] font-semibold text-slate-200">셀렉트 필드</h3>
+      <h3 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.sectionTitle}</h3>
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">라벨 타입</span>
+        <span className="text-slate-500 dark:text-slate-400">{m.labelTypeLabel}</span>
         <select
-          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
           value={selectProps.labelMode ?? "text"}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -30,15 +35,71 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
             } as any)
           }
         >
-          <option value="text">텍스트</option>
-          <option value="image">이미지</option>
+          <option value="text">{m.labelTypeOptionText}</option>
+          <option value="image">{m.labelTypeOptionImage}</option>
         </select>
       </label>
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">필드 라벨</span>
+        <span className="text-slate-500 dark:text-slate-400">{m.labelDisplayLabel}</span>
+        <select
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+          value={labelDisplay}
+          onChange={(e) =>
+            updateBlock(selectedBlockId, {
+              labelDisplay: e.target.value,
+            } as any)
+          }
+        >
+          <option value="visible">{m.labelDisplayOptionVisible}</option>
+          <option value="hidden">{m.labelDisplayOptionHidden}</option>
+        </select>
+      </label>
+
+      {labelDisplay === "visible" && (
+        <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
+          <span>{m.layoutLabel}</span>
+          <select
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            value={selectProps.labelLayout ?? "stacked"}
+            onChange={(e) =>
+              updateBlock(selectedBlockId, {
+                labelLayout: e.target.value,
+              } as any)
+            }
+          >
+            <option value="stacked">{m.layoutOptionStacked}</option>
+            <option value="inline">{m.layoutOptionInline}</option>
+          </select>
+        </label>
+      )}
+
+      {labelDisplay === "visible" && (selectProps.labelLayout ?? "stacked") === "inline" && (
+        <NumericPropertyControl
+          label={m.labelGapLabel}
+          unitLabel="(px)"
+          value={typeof selectProps.labelGapPx === "number" ? selectProps.labelGapPx : 8}
+          min={0}
+          max={80}
+          step={2}
+          presets={[
+            { id: "tight", label: "Tight", value: 4 },
+            { id: "normal", label: "Normal", value: 8 },
+            { id: "relaxed", label: "Relaxed", value: 12 },
+            { id: "extra", label: "Extra", value: 16 },
+          ]}
+          onChangeValue={(v) =>
+            updateBlock(selectedBlockId, {
+              labelGapPx: v,
+            } as any)
+          }
+        />
+      )}
+
+      <label className="flex flex-col gap-1">
+        <span className="text-slate-500 dark:text-slate-400">{m.fieldLabelLabel}</span>
         <input
-          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
           value={selectProps.label ?? ""}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -49,9 +110,9 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
       </label>
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">전송 키</span>
+        <span className="text-slate-500 dark:text-slate-400">{m.submitKeyLabel}</span>
         <input
-          className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs outline-none focus:border-sky-500"
+          className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
           value={selectProps.formFieldName ?? ""}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -63,16 +124,16 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
 
       <div className="space-y-2">
         <div className="flex items-center justify-between">
-          <span className="text-slate-400">옵션</span>
+          <span className="text-slate-500 dark:text-slate-400">{m.optionsLabel}</span>
           <button
             type="button"
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-0.5 text-[10px] text-slate-200 hover:bg-slate-800"
+            className="rounded border border-slate-300 bg-white px-2 py-0.5 text-[10px] text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
             onClick={() => {
               const next = Array.isArray((selectProps as any).options)
                 ? [...(selectProps as any).options]
                 : [];
               next.push({
-                label: "새 옵션",
+                label: "New option",
                 value: `option_${next.length + 1}`,
               });
               updateBlock(selectedBlockId, {
@@ -80,16 +141,16 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
               } as any);
             }}
           >
-            옵션 추가
+            {m.addOptionButtonLabel}
           </button>
         </div>
         <div className="space-y-2">
           {(((selectProps as any).options ?? []) as any[]).map((opt, index) => (
             <div key={opt.value ?? index} className="space-y-1 rounded border border-slate-800 p-2">
-              <div className="flex items-center gap-1">
+              <div className="grid grid-cols-[minmax(0,1fr)_minmax(0,1fr)_auto] items-center gap-1">
                 <input
-                  className="flex-1 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                  placeholder="라벨"
+                  className="flex-1 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                  placeholder={m.optionLabelPlaceholder}
                   value={opt.label ?? ""}
                   onChange={(e) => {
                     const next = [...(((selectProps as any).options ?? []) as any[])];
@@ -103,8 +164,8 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
                   }}
                 />
                 <input
-                  className="flex-1 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                  placeholder="값(value)"
+                  className="flex-1 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                  placeholder={m.optionValuePlaceholder}
                   value={opt.value ?? ""}
                   onChange={(e) => {
                     const next = [...(((selectProps as any).options ?? []) as any[])];
@@ -119,7 +180,7 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
                 />
                 <button
                   type="button"
-                  className="h-7 w-7 rounded border border-slate-700 bg-slate-950 text-[10px] text-slate-300 hover:bg-red-900/60 hover:border-red-700"
+                  className="h-7 w-7 rounded border border-slate-300 bg-white text-[10px] text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-red-900/60 dark:hover:border-red-700"
                   onClick={() => {
                     const next = (((selectProps as any).options ?? []) as any[]).filter((_, i) => i !== index);
                     updateBlock(selectedBlockId, {
@@ -136,23 +197,13 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
       </div>
 
       <label className="inline-flex items-center gap-2">
-        <input
-          type="checkbox"
-          className="h-3 w-3 rounded border border-slate-600 bg-slate-900"
-          checked={Boolean(selectProps.required)}
-          onChange={(e) =>
-            updateBlock(selectedBlockId, {
-              required: e.target.checked,
-            } as any)
-          }
-        />
-        <span className="text-slate-400">필수 필드</span>
+        <span className="text-slate-500">{m.requiredNoticeText}</span>
       </label>
       <div className="mt-3 space-y-2 border-t border-slate-800 pt-3">
-        <h4 className="text-[11px] font-semibold text-slate-200">필드 스타일</h4>
+        <h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.styleSectionTitle}</h4>
         <NumericPropertyControl
-          label="셀렉트 텍스트 크기 (px)"
-          unitLabel="(px)"
+          label={m.textSizeLabel}
+          unitLabel={m.textSizeUnitLabel}
           value={(() => {
             const raw = selectProps.fontSizeCustom ?? "";
             const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
@@ -169,16 +220,16 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
             { id: "lg", label: "L", value: 18 },
             { id: "xl", label: "XL", value: 20 },
           ]}
-          onChangeValue={(v) => {
+          onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
               fontSizeCustom: `${v}px`,
-            } as any);
-          }}
+            } as any)
+          }
         />
         {/* 줄간격 px 입력을 받아 preview 렌더러의 em 변환 근거로 사용한다 */}
         <NumericPropertyControl
-          label="셀렉트 줄간격 (px)"
-          unitLabel="(px)"
+          label={m.lineHeightLabel}
+          unitLabel={m.lineHeightUnitLabel}
           value={(() => {
             const raw = selectProps.lineHeightCustom ?? "";
             const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
@@ -189,20 +240,20 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
           max={60}
           step={1}
           presets={[
-            { id: "tight", label: "타이트", value: 18 },
-            { id: "normal", label: "보통", value: 24 },
-            { id: "loose", label: "루즈", value: 32 },
+            { id: "tight", label: "Tight", value: 18 },
+            { id: "normal", label: "Normal", value: 24 },
+            { id: "loose", label: "Loose", value: 32 },
           ]}
-          onChangeValue={(v) => {
+          onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
               lineHeightCustom: `${v}px`,
-            } as any);
-          }}
+            } as any)
+          }
         />
         {/* 자간 px 입력을 제공하여 TDD 시나리오와 동기화한다 */}
         <NumericPropertyControl
-          label="셀렉트 자간 (px)"
-          unitLabel="(px)"
+          label={m.letterSpacingLabel}
+          unitLabel={m.letterSpacingUnitLabel}
           value={(() => {
             const raw = selectProps.letterSpacingCustom ?? "";
             const match = raw.match(/(-?[0-9]+(?:\.[0-9]+)?)/);
@@ -213,20 +264,20 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
           max={20}
           step={0.5}
           presets={[
-            { id: "tight", label: "좁게", value: -1 },
-            { id: "normal", label: "보통", value: 0 },
-            { id: "wide", label: "넓게", value: 2 },
+            { id: "tight", label: "Tight", value: -1 },
+            { id: "normal", label: "Normal", value: 0 },
+            { id: "wide", label: "Wide", value: 2 },
           ]}
-          onChangeValue={(v) => {
+          onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
               letterSpacingCustom: `${v}px`,
-            } as any);
-          }}
+            } as any)
+          }
         />
-        <label className="flex flex-col gap-1 text-[11px] text-slate-400">
-          <span>필드 너비</span>
+        <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
+          <span>{m.widthModeLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
             value={selectProps.widthMode ?? "full"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -234,44 +285,44 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
               } as any)
             }
           >
-            <option value="auto">자동</option>
-            <option value="full">전체 폭</option>
-            <option value="fixed">고정 값</option>
+            <option value="auto">Auto</option>
+            <option value="full">Full</option>
+            <option value="fixed">Fixed</option>
           </select>
         </label>
         {(selectProps.widthMode ?? "full") === "fixed" && (
           <NumericPropertyControl
-            label="필드 고정 너비"
-            unitLabel="(px)"
+            label={m.fixedWidthLabel}
+            unitLabel={m.fixedWidthUnitLabel}
             value={selectProps.widthPx ?? 240}
             min={80}
             max={800}
             step={10}
             presets={[
-              { id: "sm", label: "작게", value: 200 },
-              { id: "md", label: "보통", value: 280 },
-              { id: "lg", label: "넓게", value: 360 },
+              { id: "sm", label: "Small", value: 200 },
+              { id: "md", label: "Medium", value: 280 },
+              { id: "lg", label: "Large", value: 360 },
             ]}
-            onChangeValue={(v) => {
+            onChangeValue={(v) =>
               updateBlock(selectedBlockId, {
                 widthPx: v,
-              } as any);
-            }}
+              } as any)
+            }
           />
         )}
         <NumericPropertyControl
-          label="셀렉트 가로 패딩 (px)"
-          unitLabel="(px)"
+          label={m.paddingXLabel}
+          unitLabel={m.paddingXUnitLabel}
           value={typeof selectProps.paddingX === "number" ? selectProps.paddingX : 12}
           min={0}
           max={60}
           step={2}
           presets={[
-            { id: "xs", label: "아주 얇게", value: 6 },
-            { id: "sm", label: "얇게", value: 10 },
-            { id: "md", label: "보통", value: 12 },
-            { id: "lg", label: "넓게", value: 16 },
-            { id: "xl", label: "아주 넓게", value: 20 },
+            { id: "xs", label: "Extra thin", value: 6 },
+            { id: "sm", label: "Thin", value: 10 },
+            { id: "md", label: "Normal", value: 12 },
+            { id: "lg", label: "Wide", value: 16 },
+            { id: "xl", label: "Extra wide", value: 20 },
           ]}
           onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
@@ -280,18 +331,18 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
           }
         />
         <NumericPropertyControl
-          label="셀렉트 세로 패딩 (px)"
-          unitLabel="(px)"
+          label={m.paddingYLabel}
+          unitLabel={m.paddingYUnitLabel}
           value={typeof selectProps.paddingY === "number" ? selectProps.paddingY : 10}
           min={0}
           max={40}
           step={1}
           presets={[
-            { id: "xs", label: "아주 얇게", value: 6 },
-            { id: "sm", label: "얇게", value: 8 },
-            { id: "md", label: "보통", value: 10 },
-            { id: "lg", label: "넓게", value: 12 },
-            { id: "xl", label: "아주 넓게", value: 16 },
+            { id: "xs", label: "Extra thin", value: 6 },
+            { id: "sm", label: "Thin", value: 8 },
+            { id: "md", label: "Normal", value: 10 },
+            { id: "lg", label: "Wide", value: 12 },
+            { id: "xl", label: "Extra wide", value: 16 },
           ]}
           onChangeValue={(v) =>
             updateBlock(selectedBlockId, {
@@ -300,13 +351,13 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
           }
         />
         <ColorPickerField
-          label="필드 텍스트 색상"
-          ariaLabelColorInput="셀렉트 텍스트 색상 피커"
-          ariaLabelHexInput="셀렉트 텍스트 색상 HEX"
+          label={m.textColorLabel}
+          ariaLabelColorInput={m.textColorPickerAria}
+          ariaLabelHexInput={m.textColorHexAria}
           value={
             selectProps.textColorCustom && selectProps.textColorCustom.trim() !== ""
               ? selectProps.textColorCustom
-              : "#f9fafb"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -321,13 +372,13 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
           }}
         />
         <ColorPickerField
-          label="필드 채움 색상"
-          ariaLabelColorInput="셀렉트 채움 색상 피커"
-          ariaLabelHexInput="셀렉트 채움 색상 HEX"
+          label={m.fillColorLabel}
+          ariaLabelColorInput={m.fillColorPickerAria}
+          ariaLabelHexInput={m.fillColorHexAria}
           value={
             selectProps.fillColorCustom && selectProps.fillColorCustom.trim() !== ""
               ? selectProps.fillColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -342,13 +393,13 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
           }}
         />
         <ColorPickerField
-          label="필드 테두리 색상"
-          ariaLabelColorInput="셀렉트 테두리 색상 피커"
-          ariaLabelHexInput="셀렉트 테두리 색상 HEX"
+          label={m.strokeColorLabel}
+          ariaLabelColorInput={m.strokeColorPickerAria}
+          ariaLabelHexInput={m.strokeColorHexAria}
           value={
             selectProps.strokeColorCustom && selectProps.strokeColorCustom.trim() !== ""
               ? selectProps.strokeColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -363,7 +414,7 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
           }}
         />
         <NumericPropertyControl
-          label="필드 모서리 둥글기"
+          label={m.borderRadiusLabel}
           value={(() => {
             const r = selectProps.borderRadius ?? "md";
             return r === "none" ? 0 : r === "sm" ? 2 : r === "lg" ? 6 : r === "full" ? 8 : 4;
@@ -372,11 +423,11 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
           max={8}
           step={1}
           presets={[
-            { id: "none", label: "없음", value: 0 },
-            { id: "sm", label: "작게", value: 2 },
-            { id: "md", label: "보통", value: 4 },
-            { id: "lg", label: "크게", value: 6 },
-            { id: "full", label: "완전 둥글게", value: 8 },
+            { id: "none", label: m.borderRadiusPresetNone, value: 0 },
+            { id: "sm", label: m.borderRadiusPresetSmall, value: 2 },
+            { id: "md", label: m.borderRadiusPresetMedium, value: 4 },
+            { id: "lg", label: m.borderRadiusPresetLarge, value: 6 },
+            { id: "full", label: m.borderRadiusPresetFull, value: 8 },
           ]}
           onChangeValue={(v) => {
             const next =

src/app/editor/layout.tsx

@@ -0,0 +1,8 @@
+import type { ReactNode } from "react";
+import "../../styles/editor.css";
+
+export default function EditorLayout({ children }: { children: ReactNode }) {
+  // 에디터 전용 전역 스타일(editor.css)을 로드하기 위한 중첩 레이아웃.
+  // 실제 마크업 구조는 page.tsx 에서 정의하며, 여기서는 children 을 그대로 반환한다.
+  return children;
+}

src/app/editor/panels/BlocksSidebar.tsx

@@ -1,10 +1,30 @@
 "use client";
 
-import { useCallback } from "react";
+import { useCallback, useState } from "react";
 import { useEditorStore } from "@/features/editor/state/editorStore";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorSidebarMessages } from "@/features/i18n/messages/editorSidebar";
+import {
+  FilePlus2,
+  ListChecks,
+  Type,
+  MousePointerClick,
+  Image as ImageIcon,
+  Video,
+  Minus,
+  List,
+  LayoutTemplate,
+  Pencil,
+  FileText,
+  ListFilter,
+  CircleDot,
+  SquareCheck,
+} from "lucide-react";
 
 // 좌측 블록/폼/템플릿 추가 사이드바를 분리한 컴포넌트
 export function BlocksSidebar() {
+  const locale = useAppLocale();
+  const m = getEditorSidebarMessages(locale);
   const addTextBlock = useEditorStore((state) => state.addTextBlock);
   const addButtonBlock = useEditorStore((state) => state.addButtonBlock);
   const addImageBlock = useEditorStore((state) => state.addImageBlock);
@@ -30,416 +50,520 @@ export function BlocksSidebar() {
   const addFooterTemplateSection = useEditorStore((state) => state.addFooterTemplateSection);
 
   // 버튼 핸들러를 useCallback으로 래핑해 불필요한 재생성을 줄인다.
-  const handleAddText = useCallback(() => addTextBlock(), [addTextBlock]);
-  const handleAddButton = useCallback(() => addButtonBlock(), [addButtonBlock]);
+  const handleAddText = useCallback(() => addTextBlock(locale), [addTextBlock, locale]);
+  const handleAddButton = useCallback(() => addButtonBlock(locale), [addButtonBlock, locale]);
   const handleAddImage = useCallback(() => addImageBlock(), [addImageBlock]);
   const handleAddVideo = useCallback(() => addVideoBlock(), [addVideoBlock]);
   const handleAddDivider = useCallback(() => addDividerBlock(), [addDividerBlock]);
-  const handleAddList = useCallback(() => addListBlock(), [addListBlock]);
+  const handleAddList = useCallback(() => addListBlock(locale), [addListBlock, locale]);
   const handleAddSection = useCallback(() => addSectionBlock(), [addSectionBlock]);
 
-  const handleAddFormBlock = useCallback(() => addFormBlock(), [addFormBlock]);
-  const handleAddFormInput = useCallback(() => addFormInputBlock(), [addFormInputBlock]);
-  const handleAddFormSelect = useCallback(() => addFormSelectBlock(), [addFormSelectBlock]);
-  const handleAddFormRadio = useCallback(() => addFormRadioBlock(), [addFormRadioBlock]);
-  const handleAddFormCheckbox = useCallback(() => addFormCheckboxBlock(), [addFormCheckboxBlock]);
+  const handleAddFormBlock = useCallback(() => addFormBlock(locale), [addFormBlock, locale]);
+  const handleAddFormInput = useCallback(() => addFormInputBlock(locale), [addFormInputBlock, locale]);
+  const handleAddFormSelect = useCallback(() => addFormSelectBlock(locale), [addFormSelectBlock, locale]);
+  const handleAddFormRadio = useCallback(() => addFormRadioBlock(locale), [addFormRadioBlock, locale]);
+  const handleAddFormCheckbox = useCallback(
+    () => addFormCheckboxBlock(locale),
+    [addFormCheckboxBlock, locale],
+  );
 
   const handleAddHeroTemplate = useCallback(
-    () => addHeroTemplateSection(),
-    [addHeroTemplateSection],
+    () => addHeroTemplateSection(locale),
+    [addHeroTemplateSection, locale],
   );
   const handleAddFeaturesTemplate = useCallback(
-    () => addFeaturesTemplateSection(),
-    [addFeaturesTemplateSection],
+    () => addFeaturesTemplateSection(locale),
+    [addFeaturesTemplateSection, locale],
+  );
+  const handleAddCtaTemplate = useCallback(
+    () => addCtaTemplateSection(locale),
+    [addCtaTemplateSection, locale],
+  );
+  const handleAddFaqTemplate = useCallback(
+    () => addFaqTemplateSection(locale),
+    [addFaqTemplateSection, locale],
   );
-  const handleAddCtaTemplate = useCallback(() => addCtaTemplateSection(), [addCtaTemplateSection]);
-  const handleAddFaqTemplate = useCallback(() => addFaqTemplateSection(), [addFaqTemplateSection]);
   const handleAddPricingTemplate = useCallback(
-    () => addPricingTemplateSection(),
-    [addPricingTemplateSection],
+    () => addPricingTemplateSection(locale),
+    [addPricingTemplateSection, locale],
   );
   const handleAddTestimonialsTemplate = useCallback(
-    () => addTestimonialsTemplateSection(),
-    [addTestimonialsTemplateSection],
+    () => addTestimonialsTemplateSection(locale),
+    [addTestimonialsTemplateSection, locale],
+  );
+  const handleAddBlogTemplate = useCallback(
+    () => addBlogTemplateSection(locale),
+    [addBlogTemplateSection, locale],
+  );
+  const handleAddTeamTemplate = useCallback(
+    () => addTeamTemplateSection(locale),
+    [addTeamTemplateSection, locale],
   );
-  const handleAddBlogTemplate = useCallback(() => addBlogTemplateSection(), [addBlogTemplateSection]);
-  const handleAddTeamTemplate = useCallback(() => addTeamTemplateSection(), [addTeamTemplateSection]);
   const handleAddFooterTemplate = useCallback(
-    () => addFooterTemplateSection(),
-    [addFooterTemplateSection],
+    () => addFooterTemplateSection(locale),
+    [addFooterTemplateSection, locale],
   );
 
+  const [isBlocksOpen, setIsBlocksOpen] = useState(true);
+  const [isFormsOpen, setIsFormsOpen] = useState(true);
+  const [isTemplatesOpen, setIsTemplatesOpen] = useState(true);
+
   return (
-    <aside className="w-60 border-r border-slate-800 p-4 text-sm space-y-3 overflow-y-auto pb-scroll">
-      <h2 className="font-medium">블록</h2>
-      <button
-        type="button"
-        className="w-full rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-        onClick={handleAddText}
-      >
-        텍스트 블록 추가
-      </button>
-      <button
-        type="button"
-        className="w-full rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-        onClick={handleAddButton}
-      >
-        버튼 블록 추가
-      </button>
-      <button
-        type="button"
-        className="w-full rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-        onClick={handleAddImage}
-      >
-        이미지 블록 추가
-      </button>
-      <button
-        type="button"
-        className="w-full rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-        onClick={handleAddVideo}
-      >
-        비디오 블록 추가
-      </button>
-      <button
-        type="button"
-        className="w-full rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-        onClick={handleAddDivider}
-      >
-        구분선 블록 추가
-      </button>
-      <button
-        type="button"
-        className="w-full rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-        onClick={handleAddList}
-      >
-        리스트 블록 추가
-      </button>
-      <button
-        type="button"
-        className="w-full rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-        onClick={handleAddSection}
-      >
-        섹션 블록 추가
-      </button>
+    <aside
+      data-testid="blocks-sidebar"
+      className="w-60 border-r border-slate-200 bg-white p-4 text-sm space-y-3 overflow-y-auto pb-scroll dark:border-slate-800 dark:bg-slate-950/40"
+    >
+      <h2 className="font-medium flex items-center gap-2 text-slate-900 dark:text-slate-100">
+        <button
+          type="button"
+          className="flex items-center justify-between w-full text-left"
+          aria-expanded={isBlocksOpen}
+          onClick={() => setIsBlocksOpen((prev) => !prev)}
+        >
+          <span className="inline-flex items-center gap-2">
+            <Pencil className="w-4 h-4 text-sky-400" aria-hidden="true" />
+            <span>{m.blocksTitle}</span>
+          </span>
+        </button>
+      </h2>
+      {isBlocksOpen && (
+        <>
+          <button
+            type="button"
+            className="w-full rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+            onClick={handleAddText}
+          >
+            <span className="inline-flex items-center gap-2">
+              <Type className="w-3 h-3" aria-hidden="true" />
+              <span>{m.blocksText}</span>
+            </span>
+          </button>
+          <button
+            type="button"
+            className="w-full rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+            onClick={handleAddButton}
+          >
+            <span className="inline-flex items-center gap-2">
+              <MousePointerClick className="w-3 h-3" aria-hidden="true" />
+              <span>{m.blocksButton}</span>
+            </span>
+          </button>
+          <button
+            type="button"
+            className="w-full rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+            onClick={handleAddImage}
+          >
+            <span className="inline-flex items-center gap-2">
+              <ImageIcon className="w-3 h-3" aria-hidden="true" />
+              <span>{m.blocksImage}</span>
+            </span>
+          </button>
+          <button
+            type="button"
+            className="w-full rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+            onClick={handleAddVideo}
+          >
+            <span className="inline-flex items-center gap-2">
+              <Video className="w-3 h-3" aria-hidden="true" />
+              <span>{m.blocksVideo}</span>
+            </span>
+          </button>
+          <button
+            type="button"
+            className="w-full rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+            onClick={handleAddDivider}
+          >
+            <span className="inline-flex items-center gap-2">
+              <Minus className="w-3 h-3" aria-hidden="true" />
+              <span>{m.blocksDivider}</span>
+            </span>
+          </button>
+          <button
+            type="button"
+            className="w-full rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+            onClick={handleAddList}
+          >
+            <span className="inline-flex items-center gap-2">
+              <List className="w-3 h-3" aria-hidden="true" />
+              <span>{m.blocksList}</span>
+            </span>
+          </button>
+          <button
+            type="button"
+            className="w-full rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+            onClick={handleAddSection}
+          >
+            <span className="inline-flex items-center gap-2">
+              <LayoutTemplate className="w-3 h-3" aria-hidden="true" />
+              <span>{m.blocksSection}</span>
+            </span>
+          </button>
+        </>
+      )}
 
-      <div className="pt-3 border-t border-slate-800 mt-3 space-y-2">
-        <h3 className="text-[11px] font-medium text-slate-300">폼 요소</h3>
-        <button
-          type="button"
-          className="w-full rounded border border-emerald-700 bg-emerald-950 px-3 py-2 text-left text-xs text-emerald-100 hover:bg-emerald-900"
-          onClick={handleAddFormBlock}
-        >
-          폼 블록 추가
-        </button>
-        <button
-          type="button"
-          className="w-full rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-          onClick={handleAddFormInput}
-        >
-          폼 입력 추가
-        </button>
-        <button
-          type="button"
-          className="w-full rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-          onClick={handleAddFormSelect}
-        >
-          폼 셀렉트 추가
-        </button>
-        <button
-          type="button"
-          className="w-full rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-          onClick={handleAddFormRadio}
-        >
-          폼 라디오 추가
-        </button>
-        <button
-          type="button"
-          className="w-full rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-          onClick={handleAddFormCheckbox}
-        >
-          폼 체크박스 추가
-        </button>
+      <div className="pt-3 border-t border-slate-200 mt-3 space-y-2 dark:border-slate-800">
+        <h3 className="text-[11px] font-medium text-slate-800 flex items-center gap-2 dark:text-slate-200">
+          <button
+            type="button"
+            className="flex items-center justify-between w-full text-left"
+            aria-expanded={isFormsOpen}
+            onClick={() => setIsFormsOpen((prev) => !prev)}
+          >
+            <span className="inline-flex items-center gap-2">
+              <ListChecks className="w-3 h-3" aria-hidden="true" />
+              <span>{m.formsTitle}</span>
+            </span>
+          </button>
+        </h3>
+        {isFormsOpen && (
+          <>
+            <button
+              type="button"
+              className="w-full rounded border border-emerald-200 bg-emerald-50 px-3 py-2 text-left text-xs text-emerald-900 hover:bg-emerald-100 dark:border-emerald-700 dark:bg-emerald-950 dark:text-emerald-100 dark:hover:bg-emerald-900"
+              onClick={handleAddFormBlock}
+            >
+              <span className="inline-flex items-center gap-2">
+                <FilePlus2 className="w-3 h-3" aria-hidden="true" />
+                <span>{m.formsController}</span>
+              </span>
+            </button>
+            <button
+              type="button"
+              className="w-full rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+              onClick={handleAddFormInput}
+            >
+              <span className="inline-flex items-center gap-2">
+                <FileText className="w-3 h-3" aria-hidden="true" />
+                <span>{m.formsInput}</span>
+              </span>
+            </button>
+            <button
+              type="button"
+              className="w-full rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+              onClick={handleAddFormSelect}
+            >
+              <span className="inline-flex items-center gap-2">
+                <ListFilter className="w-3 h-3" aria-hidden="true" />
+                <span>{m.formsSelect}</span>
+              </span>
+            </button>
+            <button
+              type="button"
+              className="w-full rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+              onClick={handleAddFormRadio}
+            >
+              <span className="inline-flex items-center gap-2">
+                <CircleDot className="w-3 h-3" aria-hidden="true" />
+                <span>{m.formsRadio}</span>
+              </span>
+            </button>
+            <button
+              type="button"
+              className="w-full rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+              onClick={handleAddFormCheckbox}
+            >
+              <span className="inline-flex items-center gap-2">
+                <SquareCheck className="w-3 h-3" aria-hidden="true" />
+                <span>{m.formsCheckbox}</span>
+              </span>
+            </button>
+          </>
+        )}
       </div>
 
-      <div className="pt-3 border-t border-slate-800 mt-3 space-y-3">
-        <h3 className="text-[11px] font-medium text-slate-300">템플릿</h3>
+      <div className="pt-3 border-t border-slate-200 mt-3 space-y-3 dark:border-slate-800">
+        <h3 className="text-[11px] font-medium text-slate-800 flex items-center gap-2 dark:text-slate-200">
+          <button
+            type="button"
+            className="flex items-center justify-between w-full text-left"
+            aria-expanded={isTemplatesOpen}
+            onClick={() => setIsTemplatesOpen((prev) => !prev)}
+          >
+            <span className="inline-flex items-center gap-2">
+              <FilePlus2 className="w-3 h-3" aria-hidden="true" />
+              <span>{m.templatesTitle}</span>
+            </span>
+          </button>
+        </h3>
 
-        <div className="space-y-2">
-          <p className="text-[10px] font-semibold text-slate-400">히어로 · CTA</p>
-          <div className="space-y-2">
-            <div className="rounded border border-slate-800 bg-slate-950/50 p-2 space-y-1">
-              <div className="flex items-center justify-between gap-2">
-                <button
-                  type="button"
-                  className="flex-1 rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-                  onClick={handleAddHeroTemplate}
-                >
-                  Hero 템플릿 추가
-                </button>
-                <div
-                  data-testid="template-preview-hero"
-                  className="shrink-0 flex h-6 w-10 rounded border border-slate-700 bg-slate-900 p-[2px]"
-                >
-                  <div className="flex h-full w-full flex-col items-center justify-center gap-[2px]">
-                    <div className="h-[2px] w-3/4 bg-slate-700/70" />
-                    <div className="h-[2px] w-1/2 bg-slate-700/50" />
-                    <div className="h-2 w-4 rounded-[1px] bg-slate-700/70 mt-[1px]" />
-                  </div>
-                </div>
-              </div>
-              <p className="text-[10px] text-slate-400 leading-snug">
-                페이지 상단 Hero 섹션 (큰 제목 + 서브텍스트 + 버튼)
-              </p>
-            </div>
-
-            <div className="rounded border border-slate-800 bg-slate-950/50 p-2 space-y-1">
-              <div className="flex items-center justify-between gap-2">
-                <button
-                  type="button"
-                  className="flex-1 rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-                  onClick={handleAddCtaTemplate}
-                >
-                  CTA 템플릿 추가
-                </button>
-                <div
-                  data-testid="template-preview-cta"
-                  className="shrink-0 flex h-6 w-10 rounded border border-slate-700 bg-slate-900 p-[2px]"
-                >
-                  <div className="flex h-full w-full items-center gap-[2px]">
-                    <div className="flex-1 flex flex-col justify-center gap-[1px]">
-                      <div className="h-[2px] w-full bg-slate-700/70" />
-                      <div className="h-[2px] w-2/3 bg-slate-700/50" />
+        {isTemplatesOpen && (
+          <div className="space-y-3">
+            <div className="space-y-2">
+              <p className="text-[10px] font-semibold text-slate-600 dark:text-slate-400">{m.templatesGroupHeroCta}</p>
+              <div className="space-y-2">
+                <div className="rounded border border-slate-200 bg-slate-50 p-2 space-y-1 dark:border-slate-800 dark:bg-slate-950/50">
+                  <div className="flex items-center justify-between gap-2">
+                    <button
+                      type="button"
+                      className="flex-1 rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+                      onClick={handleAddHeroTemplate}
+                    >
+                      {m.templateHeroLabel}
+                    </button>
+                    <div
+                      data-testid="template-preview-hero"
+                      className="shrink-0 flex h-6 w-10 rounded border border-slate-300 bg-slate-100 p-[2px] dark:border-slate-700 dark:bg-slate-900"
+                    >
+                      <div className="flex h-full w-full flex-col items-center justify-center gap-[2px]">
+                        <div className="h-[2px] w-3/4 bg-slate-700/70" />
+                        <div className="h-[2px] w-1/2 bg-slate-700/50" />
+                        <div className="h-2 w-4 rounded-[1px] bg-slate-700/70 mt-[1px]" />
+                      </div>
                     </div>
-                    <div className="w-3 h-2 rounded-[1px] bg-slate-700/70" />
                   </div>
+                  <p className="text-[10px] text-slate-400 leading-snug">{m.templateHeroDescription}</p>
+                </div>
+
+                <div className="rounded border border-slate-200 bg-slate-50 p-2 space-y-1 dark:border-slate-800 dark:bg-slate-950/50">
+                  <div className="flex items-center justify-between gap-2">
+                    <button
+                      type="button"
+                      className="flex-1 rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+                      onClick={handleAddCtaTemplate}
+                    >
+                      {m.templateCtaLabel}
+                    </button>
+                    <div
+                      data-testid="template-preview-cta"
+                      className="shrink-0 flex h-6 w-10 rounded border border-slate-300 bg-slate-100 p-[2px] dark:border-slate-700 dark:bg-slate-900"
+                    >
+                      <div className="flex h-full w-full items-center gap-[2px]">
+                        <div className="flex-1 flex flex-col justify-center gap-[1px]">
+                          <div className="h-[2px] w-full bg-slate-700/70" />
+                          <div className="h-[2px] w-2/3 bg-slate-700/50" />
+                        </div>
+                        <div className="w-3 h-2 rounded-[1px] bg-slate-700/70" />
+                      </div>
+                    </div>
+                  </div>
+                  <p className="text-[10px] text-slate-400 leading-snug">{m.templateCtaDescription}</p>
+                </div>
+              </div>
+            </div>
+
+            <div className="space-y-2">
+              <p className="text-[10px] font-semibold text-slate-600 dark:text-slate-400">{m.templatesGroupContent}</p>
+              <div className="space-y-2">
+                <div className="rounded border border-slate-200 bg-slate-50 p-2 space-y-1 dark:border-slate-800 dark:bg-slate-950/50">
+                  <div className="flex items-center justify-between gap-2">
+                    <button
+                      type="button"
+                      className="flex-1 rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+                      onClick={handleAddFeaturesTemplate}
+                    >
+                      {m.templateFeaturesLabel}
+                    </button>
+                    <div
+                      data-testid="template-preview-features"
+                      className="shrink-0 flex h-6 w-10 items-stretch gap-[2px] rounded border border-slate-300 bg-slate-100 p-[2px] dark:border-slate-700 dark:bg-slate-900"
+                    >
+                      <div className="flex-1 flex flex-col gap-[1px]">
+                        <div className="h-[2px] w-full bg-slate-700/70" />
+                        <div className="h-[2px] w-full bg-slate-700/50" />
+                      </div>
+                      <div className="flex-1 flex flex-col gap-[1px]">
+                        <div className="h-[2px] w-full bg-slate-700/70" />
+                        <div className="h-[2px] w-full bg-slate-700/50" />
+                      </div>
+                      <div className="flex-1 flex flex-col gap-[1px]">
+                        <div className="h-[2px] w-full bg-slate-700/70" />
+                        <div className="h-[2px] w-full bg-slate-700/50" />
+                      </div>
+                    </div>
+                  </div>
+                  <p className="text-[10px] text-slate-400 leading-snug">{m.templateFeaturesDescription}</p>
+                </div>
+
+                <div className="rounded border border-slate-200 bg-slate-50 p-2 space-y-1 dark:border-slate-800 dark:bg-slate-950/50">
+                  <div className="flex items-center justify-between gap-2">
+                    <button
+                      type="button"
+                      className="flex-1 rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+                      onClick={handleAddFaqTemplate}
+                    >
+                      {m.templateFaqLabel}
+                    </button>
+                    <div
+                      data-testid="template-preview-faq"
+                      className="shrink-0 flex h-6 w-10 items-start gap-[2px] rounded border border-slate-300 bg-slate-100 p-[2px] dark:border-slate-700 dark:bg-slate-900"
+                    >
+                      <div className="w-2 flex flex-col gap-[1px]">
+                        <div className="h-[2px] w-full bg-slate-700/70" />
+                      </div>
+                      <div className="flex-1 flex flex-col gap-[2px]">
+                        <div className="h-[1px] w-full bg-slate-700/50" />
+                        <div className="h-[1px] w-full bg-slate-700/50" />
+                        <div className="h-[1px] w-full bg-slate-700/50" />
+                      </div>
+                    </div>
+                  </div>
+                  <p className="text-[10px] text-slate-400 leading-snug">{m.templateFaqDescription}</p>
+                </div>
+
+                <div className="rounded border border-slate-200 bg-slate-50 p-2 space-y-1 dark:border-slate-800 dark:bg-slate-950/50">
+                  <div className="flex items-center justify-between gap-2">
+                    <button
+                      type="button"
+                      className="flex-1 rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+                      onClick={handleAddPricingTemplate}
+                    >
+                      {m.templatePricingLabel}
+                    </button>
+                    <div
+                      data-testid="template-preview-pricing"
+                      className="shrink-0 flex h-6 w-10 items-stretch gap-[2px] rounded border border-slate-300 bg-slate-100 p-[2px] dark:border-slate-700 dark:bg-slate-900"
+                    >
+                      <div className="flex-1 flex flex-col items-center justify-end gap-[1px] border border-slate-700/30 rounded-[1px]">
+                        <div className="h-[1px] w-1/2 bg-slate-700/70" />
+                        <div className="h-[1px] w-3/4 bg-slate-700/50" />
+                      </div>
+                      <div className="flex-1 flex flex-col items-center justify-end gap-[1px] border border-sky-700/50 bg-sky-900/20 rounded-[1px]">
+                        <div className="h-[1px] w-1/2 bg-sky-500/70" />
+                        <div className="h-[1px] w-3/4 bg-sky-500/50" />
+                        <div className="h-[2px] w-3/4 bg-sky-500/70 mt-[1px] rounded-[1px]" />
+                      </div>
+                      <div className="flex-1 flex flex-col items-center justify-end gap-[1px] border border-slate-700/30 rounded-[1px]">
+                        <div className="h-[1px] w-1/2 bg-slate-700/70" />
+                        <div className="h-[1px] w-3/4 bg-slate-700/50" />
+                      </div>
+                    </div>
+                  </div>
+                  <p className="text-[10px] text-slate-400 leading-snug">{m.templatePricingDescription}</p>
+                </div>
+
+                <div className="rounded border border-slate-200 bg-slate-50 p-2 space-y-1 dark:border-slate-800 dark:bg-slate-950/50">
+                  <div className="flex items-center justify-between gap-2">
+                    <button
+                      type="button"
+                      className="flex-1 rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+                      onClick={handleAddBlogTemplate}
+                    >
+                      {m.templateBlogLabel}
+                    </button>
+                    <div
+                      data-testid="template-preview-blog"
+                      className="shrink-0 flex h-6 w-10 items-stretch gap-[2px] rounded border border-slate-300 bg-slate-100 p-[2px] dark:border-slate-700 dark:bg-slate-900"
+                    >
+                      <div className="flex-1 flex flex-col gap-[1px]">
+                        <div className="h-2 w-full bg-slate-600/50 rounded-[1px]" />
+                        <div className="h-[1px] w-full bg-slate-700/70" />
+                        <div className="h-[1px] w-2/3 bg-slate-700/50" />
+                      </div>
+                      <div className="flex-1 flex flex-col gap-[1px]">
+                        <div className="h-2 w-full bg-slate-600/50 rounded-[1px]" />
+                        <div className="h-[1px] w-full bg-slate-700/70" />
+                        <div className="h-[1px] w-2/3 bg-slate-700/50" />
+                      </div>
+                      <div className="flex-1 flex flex-col gap-[1px]">
+                        <div className="h-2 w-full bg-slate-600/50 rounded-[1px]" />
+                        <div className="h-[1px] w-full bg-slate-700/70" />
+                        <div className="h-[1px] w-2/3 bg-slate-700/50" />
+                      </div>
+                    </div>
+                  </div>
+                  <p className="text-[10px] text-slate-400 leading-snug">{m.templateBlogDescription}</p>
+                </div>
+              </div>
+            </div>
+
+            <div className="space-y-2">
+              <p className="text-[10px] font-semibold text-slate-600 dark:text-slate-400">{m.templatesGroupTrust}</p>
+              <div className="space-y-2">
+                <div className="rounded border border-slate-200 bg-slate-50 p-2 space-y-1 dark:border-slate-800 dark:bg-slate-950/50">
+                  <div className="flex items-center justify-between gap-2">
+                    <button
+                      type="button"
+                      className="flex-1 rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+                      onClick={handleAddTestimonialsTemplate}
+                    >
+                      {m.templateTestimonialsLabel}
+                    </button>
+                    <div
+                      data-testid="template-preview-testimonials"
+                      className="shrink-0 flex h-6 w-10 items-stretch gap-[2px] rounded border border-slate-300 bg-slate-100 p-[2px] dark:border-slate-700 dark:bg-slate-900"
+                    >
+                      <div className="flex-1 flex flex-col justify-between border border-slate-700/30 rounded-[1px] p-[1px]">
+                        <div className="h-[1px] w-full bg-slate-700/50" />
+                        <div className="h-[1px] w-1/2 bg-slate-700/70" />
+                      </div>
+                      <div className="flex-1 flex flex-col justify-between border border-slate-700/30 rounded-[1px] p-[1px]">
+                        <div className="h-[1px] w-full bg-slate-700/50" />
+                        <div className="h-[1px] w-1/2 bg-slate-700/70" />
+                      </div>
+                      <div className="flex-1 flex flex-col justify-between border border-slate-700/30 rounded-[1px] p-[1px]">
+                        <div className="h-[1px] w-full bg-slate-700/50" />
+                        <div className="h-[1px] w-1/2 bg-slate-700/70" />
+                      </div>
+                    </div>
+                  </div>
+                  <p className="text-[10px] text-slate-400 leading-snug">{m.templateTestimonialsDescription}</p>
+                </div>
+
+                <div className="rounded border border-slate-200 bg-slate-50 p-2 space-y-1 dark:border-slate-800 dark:bg-slate-950/50">
+                  <div className="flex items-center justify-between gap-2">
+                    <button
+                      type="button"
+                      className="flex-1 rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+                      onClick={handleAddTeamTemplate}
+                    >
+                      {m.templateTeamLabel}
+                    </button>
+                    <div
+                      data-testid="template-preview-team"
+                      className="shrink-0 flex h-6 w-10 items-stretch gap-[2px] rounded border border-slate-300 bg-slate-100 p-[2px] dark:border-slate-700 dark:bg-slate-900"
+                    >
+                      <div className="flex-1 flex flex-col items-center gap-[1px]">
+                        <div className="h-2 w-2 rounded-full bg-slate-600/80" />
+                        <div className="h-[1px] w-full bg-slate-700/70" />
+                        <div className="h-[1px] w-2/3 bg-slate-700/50" />
+                      </div>
+                      <div className="flex-1 flex flex-col items-center gap-[1px]">
+                        <div className="h-2 w-2 rounded-full bg-slate-600/80" />
+                        <div className="h-[1px] w-full bg-slate-700/70" />
+                        <div className="h-[1px] w-2/3 bg-slate-700/50" />
+                      </div>
+                      <div className="flex-1 flex flex-col items-center gap-[1px]">
+                        <div className="h-2 w-2 rounded-full bg-slate-600/80" />
+                        <div className="h-[1px] w-full bg-slate-700/70" />
+                        <div className="h-[1px] w-2/3 bg-slate-700/50" />
+                      </div>
+                    </div>
+                  </div>
+                  <p className="text-[10px] text-slate-400 leading-snug">{m.templateTeamDescription}</p>
+                </div>
+              </div>
+            </div>
+
+            <div className="space-y-2">
+              <p className="text-[10px] font-semibold text-slate-600 dark:text-slate-400">{m.templatesGroupFooter}</p>
+              <div className="space-y-2">
+                <div className="rounded border border-slate-200 bg-slate-50 p-2 space-y-1 dark:border-slate-800 dark:bg-slate-950/50">
+                  <div className="flex items-center justify-between gap-2">
+                    <button
+                      type="button"
+                      className="flex-1 rounded border border-slate-200 bg-slate-50 px-3 py-2 text-left text-xs text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+                      onClick={handleAddFooterTemplate}
+                    >
+                      {m.templateFooterLabel}
+                    </button>
+                    <div
+                      data-testid="template-preview-footer"
+                      className="shrink-0 flex h-6 w-10 items-center justify-between gap-[2px] rounded border border-slate-300 bg-slate-100 p-[2px] dark:border-slate-700 dark:bg-slate-900"
+                    >
+                      <div className="flex-1 h-[2px] bg-slate-700/70" />
+                      <div className="flex-1 flex flex-col gap-[1px]">
+                        <div className="h-[1px] w-full bg-slate-700/50" />
+                        <div className="h-[1px] w-full bg-slate-700/50" />
+                      </div>
+                      <div className="flex-1 h-[1px] bg-slate-700/40" />
+                    </div>
+                  </div>
+                  <p className="text-[10px] text-slate-400 leading-snug">{m.templateFooterDescription}</p>
                 </div>
               </div>
-              <p className="text-[10px] text-slate-400 leading-snug">콜투액션(CTA) 섹션</p>
             </div>
           </div>
-        </div>
-
-        <div className="space-y-2">
-          <p className="text-[10px] font-semibold text-slate-400">콘텐츠 섹션</p>
-          <div className="space-y-2">
-            <div className="rounded border border-slate-800 bg-slate-950/50 p-2 space-y-1">
-              <div className="flex items-center justify-between gap-2">
-                <button
-                  type="button"
-                  className="flex-1 rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-                  onClick={handleAddFeaturesTemplate}
-                >
-                  Features 템플릿 추가
-                </button>
-                <div
-                  data-testid="template-preview-features"
-                  className="shrink-0 flex h-6 w-10 items-stretch gap-[2px] rounded border border-slate-700 bg-slate-900 p-[2px]"
-                >
-                  <div className="flex-1 flex flex-col gap-[1px]">
-                    <div className="h-[2px] w-full bg-slate-700/70" />
-                    <div className="h-[2px] w-full bg-slate-700/50" />
-                  </div>
-                  <div className="flex-1 flex flex-col gap-[1px]">
-                    <div className="h-[2px] w-full bg-slate-700/70" />
-                    <div className="h-[2px] w-full bg-slate-700/50" />
-                  </div>
-                  <div className="flex-1 flex flex-col gap-[1px]">
-                    <div className="h-[2px] w-full bg-slate-700/70" />
-                    <div className="h-[2px] w-full bg-slate-700/50" />
-                  </div>
-                </div>
-              </div>
-              <p className="text-[10px] text-slate-400 leading-snug">3컬럼 기능 소개 섹션</p>
-            </div>
-
-            <div className="rounded border border-slate-800 bg-slate-950/50 p-2 space-y-1">
-              <div className="flex items-center justify-between gap-2">
-                <button
-                  type="button"
-                  className="flex-1 rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-                  onClick={handleAddFaqTemplate}
-                >
-                  FAQ 템플릿 추가
-                </button>
-                <div
-                  data-testid="template-preview-faq"
-                  className="shrink-0 flex h-6 w-10 items-start gap-[2px] rounded border border-slate-700 bg-slate-900 p-[2px]"
-                >
-                  <div className="w-2 flex flex-col gap-[1px]">
-                    <div className="h-[2px] w-full bg-slate-700/70" />
-                  </div>
-                  <div className="flex-1 flex flex-col gap-[2px]">
-                    <div className="h-[1px] w-full bg-slate-700/50" />
-                    <div className="h-[1px] w-full bg-slate-700/50" />
-                    <div className="h-[1px] w-full bg-slate-700/50" />
-                  </div>
-                </div>
-              </div>
-              <p className="text-[10px] text-slate-400 leading-snug">자주 묻는 질문(FAQ) 섹션</p>
-            </div>
-
-            <div className="rounded border border-slate-800 bg-slate-950/50 p-2 space-y-1">
-              <div className="flex items-center justify-between gap-2">
-                <button
-                  type="button"
-                  className="flex-1 rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-                  onClick={handleAddPricingTemplate}
-                >
-                  Pricing 템플릿 추가
-                </button>
-                <div
-                  data-testid="template-preview-pricing"
-                  className="shrink-0 flex h-6 w-10 items-stretch gap-[2px] rounded border border-slate-700 bg-slate-900 p-[2px]"
-                >
-                  <div className="flex-1 flex flex-col items-center justify-end gap-[1px] border border-slate-700/30 rounded-[1px]">
-                    <div className="h-[1px] w-1/2 bg-slate-700/70" />
-                    <div className="h-[1px] w-3/4 bg-slate-700/50" />
-                  </div>
-                  <div className="flex-1 flex flex-col items-center justify-end gap-[1px] border border-sky-700/50 bg-sky-900/20 rounded-[1px]">
-                    <div className="h-[1px] w-1/2 bg-sky-500/70" />
-                    <div className="h-[1px] w-3/4 bg-sky-500/50" />
-                    <div className="h-[2px] w-3/4 bg-sky-500/70 mt-[1px] rounded-[1px]" />
-                  </div>
-                  <div className="flex-1 flex flex-col items-center justify-end gap-[1px] border border-slate-700/30 rounded-[1px]">
-                    <div className="h-[1px] w-1/2 bg-slate-700/70" />
-                    <div className="h-[1px] w-3/4 bg-slate-700/50" />
-                  </div>
-                </div>
-              </div>
-              <p className="text-[10px] text-slate-400 leading-snug">요금제/플랜 소개 섹션</p>
-            </div>
-
-            <div className="rounded border border-slate-800 bg-slate-950/50 p-2 space-y-1">
-              <div className="flex items-center justify-between gap-2">
-                <button
-                  type="button"
-                  className="flex-1 rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-                  onClick={handleAddBlogTemplate}
-                >
-                  Blog 템플릿 추가
-                </button>
-                <div
-                  data-testid="template-preview-blog"
-                  className="shrink-0 flex h-6 w-10 items-stretch gap-[2px] rounded border border-slate-700 bg-slate-900 p-[2px]"
-                >
-                  <div className="flex-1 flex flex-col gap-[1px]">
-                    <div className="h-2 w-full bg-slate-600/50 rounded-[1px]" />
-                    <div className="h-[1px] w-full bg-slate-700/70" />
-                    <div className="h-[1px] w-2/3 bg-slate-700/50" />
-                  </div>
-                  <div className="flex-1 flex flex-col gap-[1px]">
-                    <div className="h-2 w-full bg-slate-600/50 rounded-[1px]" />
-                    <div className="h-[1px] w-full bg-slate-700/70" />
-                    <div className="h-[1px] w-2/3 bg-slate-700/50" />
-                  </div>
-                  <div className="flex-1 flex flex-col gap-[1px]">
-                    <div className="h-2 w-full bg-slate-600/50 rounded-[1px]" />
-                    <div className="h-[1px] w-full bg-slate-700/70" />
-                    <div className="h-[1px] w-2/3 bg-slate-700/50" />
-                  </div>
-                </div>
-              </div>
-              <p className="text-[10px] text-slate-400 leading-snug">블로그 포스트 목록 섹션</p>
-            </div>
-          </div>
-        </div>
-
-        <div className="space-y-2">
-          <p className="text-[10px] font-semibold text-slate-400">신뢰/소개</p>
-          <div className="space-y-2">
-            <div className="rounded border border-slate-800 bg-slate-950/50 p-2 space-y-1">
-              <div className="flex items-center justify-between gap-2">
-                <button
-                  type="button"
-                  className="flex-1 rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-                  onClick={handleAddTestimonialsTemplate}
-                >
-                  Testimonials 템플릿 추가
-                </button>
-                <div
-                  data-testid="template-preview-testimonials"
-                  className="shrink-0 flex h-6 w-10 items-stretch gap-[2px] rounded border border-slate-700 bg-slate-900 p-[2px]"
-                >
-                  <div className="flex-1 flex flex-col justify-between border border-slate-700/30 rounded-[1px] p-[1px]">
-                    <div className="h-[1px] w-full bg-slate-700/50" />
-                    <div className="h-[1px] w-1/2 bg-slate-700/70" />
-                  </div>
-                  <div className="flex-1 flex flex-col justify-between border border-slate-700/30 rounded-[1px] p-[1px]">
-                    <div className="h-[1px] w-full bg-slate-700/50" />
-                    <div className="h-[1px] w-1/2 bg-slate-700/70" />
-                  </div>
-                  <div className="flex-1 flex flex-col justify-between border border-slate-700/30 rounded-[1px] p-[1px]">
-                    <div className="h-[1px] w-full bg-slate-700/50" />
-                    <div className="h-[1px] w-1/2 bg-slate-700/70" />
-                  </div>
-                </div>
-              </div>
-              <p className="text-[10px] text-slate-400 leading-snug">고객 후기(Testimonials) 섹션</p>
-            </div>
-
-            <div className="rounded border border-slate-800 bg-slate-950/50 p-2 space-y-1">
-              <div className="flex items-center justify-between gap-2">
-                <button
-                  type="button"
-                  className="flex-1 rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-                  onClick={handleAddTeamTemplate}
-                >
-                  Team 템플릿 추가
-                </button>
-                <div
-                  data-testid="template-preview-team"
-                  className="shrink-0 flex h-6 w-10 items-stretch gap-[2px] rounded border border-slate-700 bg-slate-900 p-[2px]"
-                >
-                  <div className="flex-1 flex flex-col items-center gap-[1px]">
-                    <div className="h-2 w-2 rounded-full bg-slate-600/80" />
-                    <div className="h-[1px] w-full bg-slate-700/70" />
-                    <div className="h-[1px] w-2/3 bg-slate-700/50" />
-                  </div>
-                  <div className="flex-1 flex flex-col items-center gap-[1px]">
-                    <div className="h-2 w-2 rounded-full bg-slate-600/80" />
-                    <div className="h-[1px] w-full bg-slate-700/70" />
-                    <div className="h-[1px] w-2/3 bg-slate-700/50" />
-                  </div>
-                  <div className="flex-1 flex flex-col items-center gap-[1px]">
-                    <div className="h-2 w-2 rounded-full bg-slate-600/80" />
-                    <div className="h-[1px] w-full bg-slate-700/70" />
-                    <div className="h-[1px] w-2/3 bg-slate-700/50" />
-                  </div>
-                </div>
-              </div>
-              <p className="text-[10px] text-slate-400 leading-snug">팀 소개 섹션</p>
-            </div>
-          </div>
-        </div>
-
-        <div className="space-y-2">
-          <p className="text-[10px] font-semibold text-slate-400">푸터/기타</p>
-          <div className="space-y-2">
-            <div className="rounded border border-slate-800 bg-slate-950/50 p-2 space-y-1">
-              <div className="flex items-center justify-between gap-2">
-                <button
-                  type="button"
-                  className="flex-1 rounded border border-slate-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
-                  onClick={handleAddFooterTemplate}
-                >
-                  Footer 템플릿 추가
-                </button>
-                <div
-                  data-testid="template-preview-footer"
-                  className="shrink-0 flex h-6 w-10 items-center justify-between gap-[2px] rounded border border-slate-700 bg-slate-900 p-[2px]"
-                >
-                  <div className="flex-1 h-[2px] bg-slate-700/70" />
-                  <div className="flex-1 flex flex-col gap-[1px]">
-                    <div className="h-[1px] w-full bg-slate-700/50" />
-                    <div className="h-[1px] w-full bg-slate-700/50" />
-                  </div>
-                  <div className="flex-1 h-[1px] bg-slate-700/40" />
-                </div>
-              </div>
-              <p className="text-[10px] text-slate-400 leading-snug">페이지 푸터 섹션</p>
-            </div>
-          </div>
-        </div>
+        )}
       </div>
     </aside>
   );

src/app/editor/panels/ButtonPropertiesPanel.tsx

@@ -3,6 +3,8 @@
 import type { ButtonBlockProps } from "@/features/editor/state/editorStore";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorButtonPanelMessages } from "@/features/i18n/messages/editorButtonPanel";
 
 export type ButtonPropertiesPanelProps = {
   buttonProps: ButtonBlockProps;
@@ -11,14 +13,23 @@ export type ButtonPropertiesPanelProps = {
 };
 
 export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBlock }: ButtonPropertiesPanelProps) {
+  const locale = useAppLocale();
+  const m = getEditorButtonPanelMessages(locale);
+  const imageSource: "none" | "url" | "upload" = (() => {
+    const hasSrc = (buttonProps.imageSrc ?? "").trim() !== "";
+    if (!hasSrc) return "none";
+    if (buttonProps.imageSourceType === "asset") return "upload";
+    return "url";
+  })();
+
   return (
     <>
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>버튼 텍스트</span>
+          <span>{m.buttonTextLabel}</span>
           <textarea
-            className="w-full min-h-[60px] rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="버튼 텍스트"
+            className="w-full min-h-[60px] rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.buttonTextAria}
             value={buttonProps.label}
             onChange={(e) => {
               updateBlock(selectedBlockId, { label: e.target.value } as any);
@@ -26,9 +37,151 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
           />
         </label>
       </div>
+      <div className="mt-3 space-y-2 border-t border-slate-800 pt-3 text-xs text-slate-400">
+        <h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.imageSectionTitle}</h4>
+
+        <div className="space-y-1">
+          <label className="flex flex-col gap-1">
+            <span>{m.imageSourceLabel}</span>
+            <select
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+              aria-label={m.imageSourceAria}
+              value={imageSource}
+              onChange={(e) => {
+                const next = e.target.value as "none" | "url" | "upload";
+                if (next === "none") {
+                  updateBlock(selectedBlockId, {
+                    imageSrc: "",
+                    imageAssetId: null,
+                  } as any);
+                } else if (next === "url") {
+                  updateBlock(selectedBlockId, {
+                    imageSourceType: "externalUrl",
+                    imageAssetId: null,
+                  } as any);
+                } else {
+                  updateBlock(selectedBlockId, {
+                    imageSourceType: "asset",
+                  } as any);
+                }
+              }}
+            >
+              <option value="none">{m.imageSourceOptionNone}</option>
+              <option value="url">{m.imageSourceOptionUrl}</option>
+              <option value="upload">{m.imageSourceOptionUpload}</option>
+            </select>
+          </label>
+        </div>
+
+        {imageSource === "url" && (
+          <div className="space-y-1">
+            <label className="flex flex-col gap-1">
+              <span>{m.imageUrlLabel}</span>
+              <input
+                className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                aria-label={m.imageUrlAria}
+                value={buttonProps.imageSrc ?? ""}
+                onChange={(e) => {
+                  const value = e.target.value;
+                  updateBlock(selectedBlockId, {
+                    imageSrc: value,
+                    imageSourceType: "externalUrl",
+                    imageAssetId: null,
+                  } as any);
+                }}
+              />
+            </label>
+          </div>
+        )}
+
+        {imageSource === "upload" && (
+          <div className="space-y-1">
+            <label className="flex flex-col gap-1">
+              <span>{m.imageUploadLabel}</span>
+              <input
+                type="file"
+                accept="image/*"
+                className="w-full text-[11px] text-slate-300 file:mr-2 file:rounded file:border file:border-slate-700 file:bg-slate-800 file:px-2 file:py-1 file:text-[11px] file:text-slate-100 hover:file:bg-slate-700"
+                aria-label={m.imageUploadAria}
+                onChange={async (event) => {
+                  const file = event.target.files?.[0];
+                  if (!file) return;
+
+                  try {
+                    const formData = new FormData();
+                    formData.append("file", file);
+
+                    const response = await fetch("/api/image", {
+                      method: "POST",
+                      body: formData,
+                    });
+
+                    if (!response.ok) {
+                      console.error("Button image upload failed", await response.text());
+                      return;
+                    }
+
+                    const data = (await response.json()) as { id: string; servedUrl?: string | null };
+                    const servedUrl = data.servedUrl ?? `/api/image/${data.id}`;
+
+                    updateBlock(selectedBlockId, {
+                      imageSrc: servedUrl,
+                      imageSourceType: "asset",
+                      imageAssetId: data.id,
+                    } as any);
+                  } catch (error) {
+                    console.error("Error while uploading button image", error);
+                  } finally {
+                    event.target.value = "";
+                  }
+                }}
+              />
+            </label>
+          </div>
+        )}
+
+        {imageSource !== "none" && (
+          <>
+            <div className="space-y-1">
+              <label className="flex flex-col gap-1">
+                <span>{m.imageAltLabel}</span>
+                <input
+                  className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                  aria-label={m.imageAltAria}
+                  value={buttonProps.imageAlt ?? ""}
+                  onChange={(e) => {
+                    updateBlock(selectedBlockId, { imageAlt: e.target.value } as any);
+                  }}
+                />
+              </label>
+            </div>
+
+            <div className="space-y-1">
+              <label className="flex flex-col gap-1">
+                <span>{m.imagePlacementLabel}</span>
+                <select
+                  className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                  aria-label={m.imagePlacementAria}
+                  value={buttonProps.imagePlacement ?? "left"}
+                  onChange={(e) => {
+                    updateBlock(selectedBlockId, {
+                      imagePlacement: e.target.value as any,
+                    } as any);
+                  }}
+                >
+                  <option value="left">{m.imagePlacementOptionLeft}</option>
+                  <option value="right">{m.imagePlacementOptionRight}</option>
+                  <option value="top">{m.imagePlacementOptionTop}</option>
+                  <option value="bottom">{m.imagePlacementOptionBottom}</option>
+                </select>
+              </label>
+            </div>
+          </>
+        )}
+      </div>
       <div className="space-y-1">
         <NumericPropertyControl
-          label="가로 패딩 (px)"
+          label={m.paddingXLabel}
           unitLabel="(px)"
           value={buttonProps.paddingX ?? 16}
           min={0}
@@ -50,7 +203,7 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
       </div>
       <div className="space-y-1">
         <NumericPropertyControl
-          label="세로 패딩 (px)"
+          label={m.paddingYLabel}
           unitLabel="(px)"
           value={buttonProps.paddingY ?? 10}
           min={0}
@@ -72,10 +225,10 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
       </div>
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>버튼 링크</span>
+          <span>{m.linkLabel}</span>
           <input
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="버튼 링크"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.linkAria}
             value={buttonProps.href}
             onChange={(e) => {
               updateBlock(selectedBlockId, { href: e.target.value } as any);
@@ -85,19 +238,19 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
       </div>
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>정렬</span>
+          <span>{m.alignLabel}</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="버튼 정렬"
+            className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.alignAria}
             value={buttonProps.align ?? "left"}
             onChange={(e) => {
               const value = e.target.value as NonNullable<ButtonBlockProps["align"]>;
               updateBlock(selectedBlockId, { align: value } as any);
             }}
           >
-            <option value="left">왼쪽</option>
-            <option value="center">가운데</option>
-            <option value="right">오른쪽</option>
+            <option value="left">{m.alignOptionLeft}</option>
+            <option value="center">{m.alignOptionCenter}</option>
+            <option value="right">{m.alignOptionRight}</option>
           </select>
         </label>
       </div>
@@ -106,13 +259,13 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
       </div>
       <div className="space-y-1">
         <ColorPickerField
-          label="텍스트 색상"
-          ariaLabelColorInput="버튼 텍스트 색상 피커"
-          ariaLabelHexInput="버튼 텍스트 색상 HEX"
+          label={m.textColorLabel}
+          ariaLabelColorInput={m.textColorPickerAria}
+          ariaLabelHexInput={m.textColorHexAria}
           value={
-            buttonProps.textColorCustom && buttonProps.textColorCustom.startsWith("#")
+            buttonProps.textColorCustom && buttonProps.textColorCustom.trim() !== ""
               ? buttonProps.textColorCustom
-              : "#f9fafb"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -129,31 +282,31 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
       </div>
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>스타일</span>
+          <span>{m.styleLabel}</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="버튼 스타일"
+            className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.styleAria}
             value={buttonProps.variant ?? "solid"}
             onChange={(e) => {
               const value = e.target.value as NonNullable<ButtonBlockProps["variant"]>;
               updateBlock(selectedBlockId, { variant: value } as any);
             }}
           >
-            <option value="solid">채움</option>
-            <option value="outline">외곽선</option>
-            <option value="ghost">고스트</option>
+            <option value="solid">{m.styleOptionSolid}</option>
+            <option value="outline">{m.styleOptionOutline}</option>
+            <option value="ghost">{m.styleOptionGhost}</option>
           </select>
         </label>
       </div>
       <div className="space-y-1">
         <ColorPickerField
-          label="채움 색상"
-          ariaLabelColorInput="버튼 채움 색상 피커"
-          ariaLabelHexInput="버튼 채움 색상 HEX"
+          label={m.fillColorLabel}
+          ariaLabelColorInput={m.fillColorPickerAria}
+          ariaLabelHexInput={m.fillColorHexAria}
           value={
-            buttonProps.fillColorCustom && buttonProps.fillColorCustom.startsWith("#")
+            buttonProps.fillColorCustom && buttonProps.fillColorCustom.trim() !== ""
               ? buttonProps.fillColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -170,13 +323,13 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
       </div>
       <div className="space-y-1">
         <ColorPickerField
-          label="외곽선 색상"
-          ariaLabelColorInput="버튼 외곽선 색상 피커"
-          ariaLabelHexInput="버튼 외곽선 색상 HEX"
+          label={m.strokeColorLabel}
+          ariaLabelColorInput={m.strokeColorPickerAria}
+          ariaLabelHexInput={m.strokeColorHexAria}
           value={
-            buttonProps.strokeColorCustom && buttonProps.strokeColorCustom.startsWith("#")
+            buttonProps.strokeColorCustom && buttonProps.strokeColorCustom.trim() !== ""
               ? buttonProps.strokeColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -193,7 +346,7 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
       </div>
       <div className="space-y-1">
         <NumericPropertyControl
-          label="모서리 둥글기"
+          label={m.borderRadiusLabel}
           value={(() => {
             const r = buttonProps.borderRadius ?? "md";
             return r === "none" ? 0 : r === "sm" ? 1 : r === "lg" ? 3 : r === "full" ? 4 : 2;
@@ -202,11 +355,11 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
           max={4}
           step={1}
           presets={[
-            { id: "none", label: "없음", value: 0 },
-            { id: "sm", label: "작게", value: 1 },
-            { id: "md", label: "보통", value: 2 },
-            { id: "lg", label: "크게", value: 3 },
-            { id: "full", label: "완전 둥글게", value: 4 },
+            { id: "none", label: m.borderRadiusPresetNone, value: 0 },
+            { id: "sm", label: m.borderRadiusPresetSmall, value: 1 },
+            { id: "md", label: m.borderRadiusPresetMedium, value: 2 },
+            { id: "lg", label: m.borderRadiusPresetLarge, value: 3 },
+            { id: "full", label: m.borderRadiusPresetFull, value: 4 },
           ]}
           onChangeValue={(v) => {
             const next =
@@ -217,10 +370,10 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
       </div>
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>버튼 너비 모드</span>
+          <span>{m.widthModeLabel}</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="버튼 너비 모드"
+            className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.widthModeAria}
             value={buttonProps.widthMode ?? (buttonProps.fullWidth ? "full" : "auto")}
             onChange={(e) => {
               updateBlock(selectedBlockId, {
@@ -228,23 +381,23 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
               } as any);
             }}
           >
-            <option value="auto">자동</option>
-            <option value="full">전체 폭</option>
-            <option value="fixed">고정 값</option>
+            <option value="auto">{m.widthModeOptionAuto}</option>
+            <option value="full">{m.widthModeOptionFull}</option>
+            <option value="fixed">{m.widthModeOptionFixed}</option>
           </select>
         </label>
         {(buttonProps.widthMode ?? (buttonProps.fullWidth ? "full" : "auto")) === "fixed" && (
           <NumericPropertyControl
-            label="버튼 고정 너비"
-            unitLabel="(px)"
+            label={m.fixedWidthLabel}
+            unitLabel={m.fixedWidthUnitLabel}
             value={buttonProps.widthPx ?? 240}
             min={80}
             max={600}
             step={10}
             presets={[
-              { id: "sm", label: "작게", value: 180 },
-              { id: "md", label: "보통", value: 240 },
-              { id: "lg", label: "넓게", value: 320 },
+              { id: "sm", label: m.fixedWidthPresetSmall, value: 180 },
+              { id: "md", label: m.fixedWidthPresetMedium, value: 240 },
+              { id: "lg", label: m.fixedWidthPresetLarge, value: 320 },
             ]}
             onChangeValue={(v) => {
               updateBlock(selectedBlockId, {
@@ -256,8 +409,8 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
       </div>
       <div className="space-y-1">
         <NumericPropertyControl
-          label="버튼 크기"
-          unitLabel="(px)"
+          label={m.fontSizeLabel}
+          unitLabel={m.fontSizeUnitLabel}
           value={(() => {
             const raw = buttonProps.fontSizeCustom ?? "";
             const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
@@ -288,7 +441,7 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
       </div>
       <div className="space-y-1">
         <NumericPropertyControl
-          label="줄 간격"
+          label={m.lineHeightLabel}
           value={(() => {
             const raw = buttonProps.lineHeightCustom ?? "";
             const match = raw.match(/(-?[0-9]+(?:\.[0-9]+)?)/);
@@ -299,9 +452,9 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
           max={3}
           step={0.05}
           presets={[
-            { id: "tight", label: "좁게", value: 1.1 },
-            { id: "normal", label: "보통", value: 1.4 },
-            { id: "relaxed", label: "넓게", value: 1.8 },
+            { id: "tight", label: m.lineHeightPresetTight, value: 1.1 },
+            { id: "normal", label: m.lineHeightPresetNormal, value: 1.4 },
+            { id: "relaxed", label: m.lineHeightPresetRelaxed, value: 1.8 },
           ]}
           onChangeValue={(v) => {
             updateBlock(selectedBlockId, {
@@ -312,8 +465,8 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
       </div>
       <div className="space-y-1">
         <NumericPropertyControl
-          label="글자 간격"
-          unitLabel="(px)"
+          label={m.letterSpacingLabel}
+          unitLabel={m.letterSpacingUnitLabel}
           value={(() => {
             const raw = buttonProps.letterSpacingCustom ?? "";
             const match = raw.match(/(-?[0-9]+(?:\.[0-9]+)?)/);
@@ -323,15 +476,15 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
             }
             return 0;
           })()}
-          min={-2}
-          max={10}
-          step={0.1}
+          min={-32}
+          max={32}
+          step={1}
           presets={[
-            { id: "tighter", label: "아주 좁게", value: -1.5 },
-            { id: "tight", label: "좁게", value: -0.5 },
-            { id: "normal", label: "보통", value: 0 },
-            { id: "wide", label: "넓게", value: 1 },
-            { id: "wider", label: "아주 넓게", value: 2 },
+            { id: "tighter", label: m.letterSpacingPresetTighter, value: -1.5 },
+            { id: "tight", label: m.letterSpacingPresetTight, value: -0.5 },
+            { id: "normal", label: m.letterSpacingPresetNormal, value: 0 },
+            { id: "wide", label: m.letterSpacingPresetWide, value: 1 },
+            { id: "wider", label: m.letterSpacingPresetWider, value: 2 },
           ]}
           onChangeValue={(px) => {
             const em = px / 16;

src/app/editor/panels/DividerPropertiesPanel.tsx

@@ -3,6 +3,8 @@
 import type { DividerBlockProps } from "@/features/editor/state/editorStore";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorDividerPropertiesPanelMessages } from "@/features/i18n/messages/editorDividerPropertiesPanel";
 
 export type DividerPropertiesPanelProps = {
   dividerProps: DividerBlockProps;
@@ -11,77 +13,80 @@ export type DividerPropertiesPanelProps = {
 };
 
 export function DividerPropertiesPanel({ dividerProps, selectedBlockId, updateBlock }: DividerPropertiesPanelProps) {
+  const locale = useAppLocale();
+  const m = getEditorDividerPropertiesPanelMessages(locale);
+
   return (
     <>
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>정렬</span>
+          <span>{m.alignLabel}</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="구분선 정렬"
+            className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.alignAria}
             value={dividerProps.align}
             onChange={(e) => {
               const value = e.target.value as DividerBlockProps["align"];
               updateBlock(selectedBlockId, { align: value } as any);
             }}
           >
-            <option value="left">왼쪽</option>
-            <option value="center">가운데</option>
-            <option value="right">오른쪽</option>
+            <option value="left">{m.alignOptionLeft}</option>
+            <option value="center">{m.alignOptionCenter}</option>
+            <option value="right">{m.alignOptionRight}</option>
           </select>
         </label>
       </div>
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>두께</span>
+          <span>{m.thicknessLabel}</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="구분선 두께"
+            className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.thicknessAria}
             value={dividerProps.thickness}
             onChange={(e) => {
               const value = e.target.value as DividerBlockProps["thickness"];
               updateBlock(selectedBlockId, { thickness: value } as any);
             }}
           >
-            <option value="thin">얇게</option>
-            <option value="medium">보통</option>
+            <option value="thin">{m.thicknessOptionThin}</option>
+            <option value="medium">{m.thicknessOptionMedium}</option>
           </select>
         </label>
       </div>
 
       <div className="mt-3 space-y-2 border-t border-slate-800 pt-3 text-xs text-slate-400">
-        <h4 className="text-[11px] font-semibold text-slate-200">구분선 스타일</h4>
+        <h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.styleSectionTitle}</h4>
 
         {/* 길이/너비 모드 */}
         <label className="flex flex-col gap-1">
-          <span>길이 모드</span>
+          <span>{m.lengthModeLabel}</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="구분선 길이 모드"
+            className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.lengthModeAria}
             value={dividerProps.widthMode ?? "full"}
             onChange={(e) => {
               const value = e.target.value as NonNullable<DividerBlockProps["widthMode"]>;
               updateBlock(selectedBlockId, { widthMode: value } as any);
             }}
           >
-            <option value="auto">내용에 맞춤</option>
-            <option value="full">전체 폭</option>
-            <option value="fixed">고정 길이 (px)</option>
+            <option value="auto">{m.lengthModeOptionAuto}</option>
+            <option value="full">{m.lengthModeOptionFull}</option>
+            <option value="fixed">{m.lengthModeOptionFixed}</option>
           </select>
         </label>
 
         {(dividerProps.widthMode ?? "full") === "fixed" && (
           <NumericPropertyControl
-            label="고정 길이 (px)"
-            unitLabel="(px)"
+            label={m.fixedLengthLabel}
+            unitLabel={m.fixedLengthUnitLabel}
             value={dividerProps.widthPx ?? 320}
             min={40}
             max={1200}
             step={10}
             presets={[
-              { id: "sm", label: "짧게", value: 240 },
-              { id: "md", label: "보통", value: 320 },
-              { id: "lg", label: "길게", value: 480 },
+              { id: "sm", label: m.fixedLengthPresetShort, value: 240 },
+              { id: "md", label: m.fixedLengthPresetNormal, value: 320 },
+              { id: "lg", label: m.fixedLengthPresetLong, value: 480 },
             ]}
             onChangeValue={(v) => {
               updateBlock(selectedBlockId, { widthPx: v } as any);
@@ -91,13 +96,13 @@ export function DividerPropertiesPanel({ dividerProps, selectedBlockId, updateBl
 
         {/* 색상 */}
         <ColorPickerField
-          label="선 색상"
-          ariaLabelColorInput="구분선 색상 피커"
-          ariaLabelHexInput="구분선 색상 HEX"
+          label={m.colorLabel}
+          ariaLabelColorInput={m.colorPickerAria}
+          ariaLabelHexInput={m.colorHexAria}
           value={
             dividerProps.colorHex && dividerProps.colorHex.trim() !== ""
               ? dividerProps.colorHex
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#64748b"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, { colorHex: hex } as any);
@@ -110,8 +115,8 @@ export function DividerPropertiesPanel({ dividerProps, selectedBlockId, updateBl
 
         {/* 상하 여백 (슬라이더) */}
         <NumericPropertyControl
-          label="위/아래 여백"
-          unitLabel="(px)"
+          label={m.marginLabel}
+          unitLabel={m.marginUnitLabel}
           value={(() => {
             if (typeof dividerProps.marginYPx === "number") {
               return dividerProps.marginYPx;
@@ -123,9 +128,9 @@ export function DividerPropertiesPanel({ dividerProps, selectedBlockId, updateBl
           max={50}
           step={2}
           presets={[
-            { id: "sm", label: "작게", value: 8 },
-            { id: "md", label: "보통", value: 16 },
-            { id: "lg", label: "크게", value: 24 },
+            { id: "sm", label: m.marginPresetSmall, value: 8 },
+            { id: "md", label: m.marginPresetNormal, value: 16 },
+            { id: "lg", label: m.marginPresetLarge, value: 24 },
           ]}
           onChangeValue={(v) => {
             updateBlock(selectedBlockId, { marginYPx: v } as any);

src/app/editor/panels/ImagePropertiesPanel.tsx

@@ -3,6 +3,8 @@
 import type { ImageBlockProps } from "@/features/editor/state/editorStore";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorImagePanelMessages } from "@/features/i18n/messages/editorImagePanel";
 
 export type ImagePropertiesPanelProps = {
   imageProps: ImageBlockProps;
@@ -11,6 +13,8 @@ export type ImagePropertiesPanelProps = {
 };
 
 export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock }: ImagePropertiesPanelProps) {
+  const locale = useAppLocale();
+  const m = getEditorImagePanelMessages(locale);
   const source: "url" | "upload" =
     imageProps.sourceType === "asset" || (imageProps.src && imageProps.src.startsWith("/api/image/"))
       ? "upload"
@@ -20,10 +24,10 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
     <>
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>이미지 소스</span>
+          <span>{m.imageSourceLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-            aria-label="이미지 소스"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.imageSourceAria}
             value={source}
             onChange={(e) => {
               const next = e.target.value as "url" | "upload";
@@ -39,8 +43,8 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
               }
             }}
           >
-            <option value="url">URL</option>
-            <option value="upload">파일 업로드</option>
+            <option value="url">{m.imageSourceOptionUrl}</option>
+            <option value="upload">{m.imageSourceOptionUpload}</option>
           </select>
         </label>
       </div>
@@ -48,10 +52,10 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
       {source === "url" && (
         <div className="space-y-1">
           <label className="flex flex-col gap-1 text-xs text-slate-400">
-            <span>이미지 URL</span>
+            <span>{m.imageUrlLabel}</span>
             <input
-              className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-              aria-label="이미지 URL"
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+              aria-label={m.imageUrlAria}
               value={imageProps.src}
               onChange={(e) => {
                 const value = e.target.value;
@@ -69,12 +73,12 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
       {source === "upload" && (
         <div className="space-y-1">
           <label className="flex flex-col gap-1 text-xs text-slate-400">
-            <span>이미지 파일 업로드</span>
+            <span>{m.imageUploadLabel}</span>
             <input
               type="file"
               accept="image/*"
               className="w-full text-[11px] text-slate-300 file:mr-2 file:rounded file:border file:border-slate-700 file:bg-slate-800 file:px-2 file:py-1 file:text-[11px] file:text-slate-100 hover:file:bg-slate-700"
-              aria-label="이미지 파일 업로드"
+              aria-label={m.imageUploadAria}
               onChange={async (event) => {
                 const file = event.target.files?.[0];
                 if (!file) return;
@@ -89,7 +93,7 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
                   });
 
                   if (!response.ok) {
-                    console.error("이미지 업로드 실패", await response.text());
+                    console.error("Image upload failed", await response.text());
                     return;
                   }
 
@@ -102,7 +106,7 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
                     assetId: data.id,
                   } as any);
                 } catch (error) {
-                  console.error("이미지 업로드 중 오류", error);
+                  console.error("Error while uploading image", error);
                 } finally {
                   event.target.value = "";
                 }
@@ -113,10 +117,10 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
       )}
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>대체 텍스트</span>
+          <span>{m.altLabel}</span>
           <input
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="대체 텍스트"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.altAria}
             value={imageProps.alt}
             onChange={(e) => {
               updateBlock(selectedBlockId, { alt: e.target.value } as any);
@@ -126,14 +130,14 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
       </div>
 
       <div className="mt-3 space-y-2 border-t border-slate-800 pt-3 text-xs text-slate-400">
-        <h4 className="text-[11px] font-semibold text-slate-200">이미지 스타일</h4>
+        <h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.styleSectionTitle}</h4>
 
         {/* 카드 배경색 */}
         <div className="space-y-1">
           <ColorPickerField
-            label="카드 배경색"
-            ariaLabelColorInput="이미지 카드 배경색 피커"
-            ariaLabelHexInput="이미지 카드 배경색 HEX"
+            label={m.cardBackgroundLabel}
+            ariaLabelColorInput={m.cardBackgroundPickerAria}
+            ariaLabelHexInput={m.cardBackgroundHexAria}
             value={imageProps.backgroundColorCustom ?? ""}
             onChange={(hex) => {
               const next = hex && hex.trim().length > 0 ? hex : undefined;
@@ -145,10 +149,10 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
 
         {/* 정렬 */}
         <label className="flex flex-col gap-1">
-          <span>정렬</span>
+          <span>{m.alignLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-            aria-label="이미지 정렬"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.alignAria}
             value={imageProps.align ?? "center"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -156,18 +160,18 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
               } as any)
             }
           >
-            <option value="left">왼쪽</option>
-            <option value="center">가운데</option>
-            <option value="right">오른쪽</option>
+            <option value="left">{m.alignOptionLeft}</option>
+            <option value="center">{m.alignOptionCenter}</option>
+            <option value="right">{m.alignOptionRight}</option>
           </select>
         </label>
 
         {/* 너비 모드 */}
         <label className="flex flex-col gap-1">
-          <span>너비 모드</span>
+          <span>{m.widthModeLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-            aria-label="이미지 너비 모드"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.widthModeAria}
             value={imageProps.widthMode ?? "auto"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -175,23 +179,23 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
               } as any)
             }
           >
-            <option value="auto">내용에 맞춤</option>
-            <option value="fixed">고정 너비 (px)</option>
+            <option value="auto">{m.widthModeOptionAuto}</option>
+            <option value="fixed">{m.widthModeOptionFixed}</option>
           </select>
         </label>
 
         {(imageProps.widthMode ?? "auto") === "fixed" && (
           <NumericPropertyControl
-            label="고정 너비 (px)"
-            unitLabel="(px)"
+            label={m.fixedWidthLabel}
+            unitLabel={m.fixedWidthUnitLabel}
             value={imageProps.widthPx ?? 320}
             min={40}
             max={1200}
             step={10}
             presets={[
-              { id: "sm", label: "작게", value: 240 },
-              { id: "md", label: "보통", value: 320 },
-              { id: "lg", label: "넓게", value: 480 },
+              { id: "sm", label: m.fixedWidthPresetSmall, value: 240 },
+              { id: "md", label: m.fixedWidthPresetMedium, value: 320 },
+              { id: "lg", label: m.fixedWidthPresetLarge, value: 480 },
             ]}
             onChangeValue={(v) => {
               updateBlock(selectedBlockId, {
@@ -203,7 +207,7 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
 
         {/* 모서리 둥글기 */}
         <NumericPropertyControl
-          label="모서리 둥글기"
+          label={m.borderRadiusLabel}
           value={(() => {
             if (typeof imageProps.borderRadiusPx === "number") {
               return imageProps.borderRadiusPx;
@@ -216,11 +220,11 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
           max={200}
           step={1}
           presets={[
-            { id: "none", label: "없음", value: 0 },
-            { id: "sm", label: "작게", value: 20 },
-            { id: "md", label: "보통", value: 60 },
-            { id: "lg", label: "크게", value: 120 },
-            { id: "full", label: "완전 둥글게", value: 180 },
+            { id: "none", label: m.borderRadiusPresetNone, value: 0 },
+            { id: "sm", label: m.borderRadiusPresetSmall, value: 20 },
+            { id: "md", label: m.borderRadiusPresetMedium, value: 60 },
+            { id: "lg", label: m.borderRadiusPresetLarge, value: 120 },
+            { id: "full", label: m.borderRadiusPresetFull, value: 180 },
           ]}
           onChangeValue={(v) => {
             // 0~50 범위를 토큰으로 매핑한다.

src/app/editor/panels/ListPropertiesPanel.tsx

@@ -10,6 +10,8 @@ import {
 } from "@/features/editor/state/editorStore";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorListPanelMessages } from "@/features/i18n/messages/editorListPanel";
 
 export type ListPropertiesPanelProps = {
   listProps: ListBlockProps;
@@ -24,14 +26,16 @@ export function ListPropertiesPanel({
   selectedListItemId,
   updateBlock,
 }: ListPropertiesPanelProps) {
+  const locale = useAppLocale();
+  const m = getEditorListPanelMessages(locale);
   return (
     <>
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>리스트 아이템 (줄바꿈으로 구분)</span>
+          <span>{m.listItemsLabel}</span>
           <textarea
-            className="w-full min-h-[80px] rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="리스트 아이템들"
+            className="w-full min-h-[80px] rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.listItemsAria}
             value={(() => {
               const tree = (listProps as any).itemsTree as any[] | undefined;
 
@@ -83,30 +87,30 @@ export function ListPropertiesPanel({
       </div>
       <div className="flex items-center justify-between text-xs text-slate-400">
         <label className="flex items-center gap-2">
-          <span>정렬</span>
+          <span>{m.alignLabel}</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="리스트 정렬"
+            className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.alignAria}
             value={listProps.align}
             onChange={(e) => {
               const value = e.target.value as ListBlockProps["align"];
               updateBlock(selectedBlockId, { align: value } as any);
             }}
           >
-            <option value="left">왼쪽</option>
-            <option value="center">가운데</option>
-            <option value="right">오른쪽</option>
+            <option value="left">{m.alignOptionLeft}</option>
+            <option value="center">{m.alignOptionCenter}</option>
+            <option value="right">{m.alignOptionRight}</option>
           </select>
         </label>
       </div>
 
       <div className="mt-3 space-y-2 border-t border-slate-800 pt-3 text-xs text-slate-400">
-        <h4 className="text-[11px] font-semibold text-slate-200">리스트 스타일</h4>
+        <h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.styleSectionTitle}</h4>
 
         {/* 글자 크기 */}
         <NumericPropertyControl
-          label="글자 크기 (px)"
-          unitLabel="(px)"
+          label={m.fontSizeLabel}
+          unitLabel={m.fontSizeUnitLabel}
           value={(() => {
             const raw = listProps.fontSizeCustom ?? "";
             const match = raw.match(/([0-9]+(?:\.[0-9]+)?)/);
@@ -117,9 +121,9 @@ export function ListPropertiesPanel({
           max={32}
           step={1}
           presets={[
-            { id: "sm", label: "작게", value: 12 },
-            { id: "md", label: "보통", value: 14 },
-            { id: "lg", label: "크게", value: 18 },
+            { id: "sm", label: m.fontSizePresetSmall, value: 12 },
+            { id: "md", label: m.fontSizePresetMedium, value: 14 },
+            { id: "lg", label: m.fontSizePresetLarge, value: 18 },
           ]}
           onChangeValue={(px) => {
             updateBlock(selectedBlockId, { fontSizeCustom: `${px}px` } as any);
@@ -128,7 +132,7 @@ export function ListPropertiesPanel({
 
         {/* 줄 간격 */}
         <NumericPropertyControl
-          label="줄 간격"
+          label={m.lineHeightLabel}
           value={(() => {
             const raw = listProps.lineHeightCustom ?? "";
             const match = raw.match(/(-?[0-9]+(?:\.[0-9]+)?)/);
@@ -139,9 +143,9 @@ export function ListPropertiesPanel({
           max={3}
           step={0.05}
           presets={[
-            { id: "tight", label: "좁게", value: 1.2 },
-            { id: "normal", label: "보통", value: 1.5 },
-            { id: "relaxed", label: "넓게", value: 1.8 },
+            { id: "tight", label: m.lineHeightPresetTight, value: 1.2 },
+            { id: "normal", label: m.lineHeightPresetNormal, value: 1.5 },
+            { id: "relaxed", label: m.lineHeightPresetRelaxed, value: 1.8 },
           ]}
           onChangeValue={(v) => {
             updateBlock(selectedBlockId, { lineHeightCustom: v.toString() } as any);
@@ -150,13 +154,15 @@ export function ListPropertiesPanel({
 
         {/* 텍스트 색상 */}
         <ColorPickerField
-          label="텍스트 색상"
-          ariaLabelColorInput="리스트 텍스트 색상 피커"
-          ariaLabelHexInput="리스트 텍스트 색상 HEX"
+          label={m.textColorLabel}
+          ariaLabelColorInput={m.textColorPickerAria}
+          ariaLabelHexInput={m.textColorHexAria}
+          // textColorCustom 이 비어 있으면 커스텀 색상을 사용하지 않고, "없음" 상태로 취급한다.
+          // 이 경우 HEX 인풋은 빈 문자열을 유지하고, 팔레트 라벨은 "없음"으로 표시된다.
           value={
             listProps.textColorCustom && listProps.textColorCustom.trim() !== ""
               ? listProps.textColorCustom
-              : "#e5e7eb"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, { textColorCustom: hex } as any);
@@ -168,9 +174,9 @@ export function ListPropertiesPanel({
         />
 
         <ColorPickerField
-          label="블록 배경색"
-          ariaLabelColorInput="리스트 배경색 피커"
-          ariaLabelHexInput="리스트 배경색 HEX"
+          label={m.backgroundColorLabel}
+          ariaLabelColorInput={m.backgroundColorPickerAria}
+          ariaLabelHexInput={m.backgroundColorHexAria}
           value={listProps.backgroundColorCustom ?? ""}
           onChange={(hex) => {
             updateBlock(selectedBlockId, { backgroundColorCustom: hex } as any);
@@ -180,10 +186,10 @@ export function ListPropertiesPanel({
 
         {/* 불릿 스타일 (● / ○ / ■ / 숫자형 / 없음) */}
         <label className="flex flex-col gap-1">
-          <span>불릿 스타일</span>
+          <span>{m.bulletStyleLabel}</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="리스트 불릿 스타일"
+            className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.bulletStyleAria}
             value={listProps.bulletStyle ?? "disc"}
             onChange={(e) => {
               const value = e.target.value as NonNullable<ListBlockProps["bulletStyle"]>;
@@ -201,22 +207,22 @@ export function ListPropertiesPanel({
               updateBlock(selectedBlockId, { bulletStyle: value, ordered } as any);
             }}
           >
-            <option value="disc">기본 (●)</option>
-            <option value="circle">원 (○)</option>
-            <option value="square">사각 (■)</option>
-            <option value="decimal">숫자 (1.)</option>
-            <option value="lower-alpha">알파벳 소문자 (a.)</option>
-            <option value="upper-alpha">알파벳 대문자 (A.)</option>
-            <option value="lower-roman">로마 숫자 소문자 (i.)</option>
-            <option value="upper-roman">로마 숫자 대문자 (I.)</option>
-            <option value="none">없음</option>
+            <option value="disc">{m.bulletStyleOptionDisc}</option>
+            <option value="circle">{m.bulletStyleOptionCircle}</option>
+            <option value="square">{m.bulletStyleOptionSquare}</option>
+            <option value="decimal">{m.bulletStyleOptionDecimal}</option>
+            <option value="lower-alpha">{m.bulletStyleOptionLowerAlpha}</option>
+            <option value="upper-alpha">{m.bulletStyleOptionUpperAlpha}</option>
+            <option value="lower-roman">{m.bulletStyleOptionLowerRoman}</option>
+            <option value="upper-roman">{m.bulletStyleOptionUpperRoman}</option>
+            <option value="none">{m.bulletStyleOptionNone}</option>
           </select>
         </label>
 
         {/* 아이템 간 여백 (슬라이더) */}
         <NumericPropertyControl
-          label="아이템 간 여백 (px)"
-          unitLabel="(px)"
+          label={m.gapLabel}
+          unitLabel={m.gapUnitLabel}
           value={(() => {
             if (typeof listProps.gapYPx === "number") {
               return listProps.gapYPx;
@@ -228,9 +234,9 @@ export function ListPropertiesPanel({
           max={40}
           step={2}
           presets={[
-            { id: "tight", label: "좁게", value: 4 },
-            { id: "normal", label: "보통", value: 8 },
-            { id: "relaxed", label: "넓게", value: 16 },
+            { id: "tight", label: m.gapPresetTight, value: 4 },
+            { id: "normal", label: m.gapPresetNormal, value: 8 },
+            { id: "relaxed", label: m.gapPresetRelaxed, value: 16 },
           ]}
           onChangeValue={(v) => {
             updateBlock(selectedBlockId, { gapYPx: v } as any);

src/app/editor/panels/ProjectPropertiesPanel.tsx

@@ -4,6 +4,8 @@ import { useEditorStore } from "@/features/editor/state/editorStore";
 import type { CanvasPreset, ProjectConfig } from "@/features/editor/state/editorStore";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorProjectPropertiesPanelMessages } from "@/features/i18n/messages/editorProjectPropertiesPanel";
 
 export function ProjectPropertiesPanel() {
   const projectConfig = useEditorStore((state) => (state as any).projectConfig as ProjectConfig);
@@ -11,6 +13,9 @@ export function ProjectPropertiesPanel() {
     (state) => (state as any).updateProjectConfig as (partial: Partial<ProjectConfig>) => void,
   );
 
+  const locale = useAppLocale();
+  const m = getEditorProjectPropertiesPanelMessages(locale);
+
   const handleChangePreset = (preset: CanvasPreset) => {
     if (preset === "mobile") {
       updateProjectConfig({ canvasPreset: preset, canvasWidthPx: 390 });
@@ -38,15 +43,15 @@ export function ProjectPropertiesPanel() {
   };
 
   return (
-    <div className="space-y-4 text-xs text-slate-200">
-      <h3 className="text-sm font-medium text-slate-100">프로젝트 설정</h3>
+    <div className="space-y-4 text-xs text-slate-900 dark:text-slate-200">
+      <h3 className="text-sm font-medium text-slate-100">{m.sectionTitle}</h3>
 
       <div className="space-y-1">
         <label className="flex flex-col gap-1">
-          <span className="text-slate-400">프로젝트 제목</span>
+          <span className="text-slate-500 dark:text-slate-400">{m.projectTitleLabel}</span>
           <input
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="프로젝트 제목"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.projectTitleAria}
             value={projectConfig.title}
             onChange={(e) => updateProjectConfig({ title: e.target.value })}
           />
@@ -55,10 +60,10 @@ export function ProjectPropertiesPanel() {
 
       <div className="space-y-1">
         <label className="flex flex-col gap-1">
-          <span className="text-slate-400">프로젝트 주소 (slug)</span>
+          <span className="text-slate-500 dark:text-slate-400">{m.projectSlugLabel}</span>
           <input
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="프로젝트 주소 (slug)"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.projectSlugAria}
             value={projectConfig.slug}
             onChange={(e) => updateProjectConfig({ slug: e.target.value })}
           />
@@ -67,16 +72,16 @@ export function ProjectPropertiesPanel() {
 
       <div className="space-y-1">
         <NumericPropertyControl
-          label="캔버스 너비"
-          unitLabel="(px)"
+          label={m.canvasWidthLabel}
+          unitLabel={m.canvasWidthUnitLabel}
           value={projectConfig.canvasWidthPx ?? 1024}
           min={320}
           max={1920}
           step={10}
           presets={[
-            { id: "mobile", label: "모바일 (390px)", value: 390 },
-            { id: "tablet", label: "태블릿 (768px)", value: 768 },
-            { id: "desktop", label: "데스크톱 (1200px)", value: 1200 },
+            { id: "mobile", label: m.canvasWidthPresetMobile, value: 390 },
+            { id: "tablet", label: m.canvasWidthPresetTablet, value: 768 },
+            { id: "desktop", label: m.canvasWidthPresetDesktop, value: 1200 },
           ]}
           onChangeValue={handleChangeCanvasWidth}
         />
@@ -84,9 +89,9 @@ export function ProjectPropertiesPanel() {
 
       <div className="space-y-1">
         <ColorPickerField
-          label="캔버스 배경색"
-          ariaLabelColorInput="캔버스 배경색"
-          ariaLabelHexInput="캔버스 배경색 HEX"
+          label={m.canvasBgLabel}
+          ariaLabelColorInput={m.canvasBgColorAria}
+          ariaLabelHexInput={m.canvasBgHexAria}
           value={projectConfig.canvasBgColorHex ?? "#020617"}
           onChange={(hex) => updateProjectConfig({ canvasBgColorHex: hex })}
           palette={TEXT_COLOR_PALETTE}
@@ -95,9 +100,9 @@ export function ProjectPropertiesPanel() {
 
       <div className="space-y-1">
         <ColorPickerField
-          label="페이지 배경색"
-          ariaLabelColorInput="페이지 배경색"
-          ariaLabelHexInput="페이지 배경색 HEX"
+          label={m.pageBgLabel}
+          ariaLabelColorInput={m.pageBgColorAria}
+          ariaLabelHexInput={m.pageBgHexAria}
           value={projectConfig.bodyBgColorHex ?? "#020617"}
           onChange={(hex) => updateProjectConfig({ bodyBgColorHex: hex })}
           palette={TEXT_COLOR_PALETTE}
@@ -105,86 +110,86 @@ export function ProjectPropertiesPanel() {
       </div>
 
       <div className="space-y-2 border-t border-slate-800 pt-3">
-        <h4 className="text-[11px] font-semibold text-slate-200">SEO / 메타</h4>
+        <h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.seoSectionTitle}</h4>
 
         <label className="flex flex-col gap-1">
-          <span className="text-slate-400">SEO 타이틀</span>
+          <span className="text-slate-500 dark:text-slate-400">{m.seoTitleLabel}</span>
           <input
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="SEO 타이틀"
-            placeholder={projectConfig.title || "페이지 제목"}
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.seoTitleAria}
+            placeholder={projectConfig.title || m.seoTitlePlaceholderFallback}
             value={projectConfig.seoTitle ?? ""}
             onChange={(e) => updateProjectConfig({ seoTitle: e.target.value })}
           />
         </label>
 
         <label className="flex flex-col gap-1">
-          <span className="text-slate-400">메타 디스크립션</span>
+          <span className="text-slate-500 dark:text-slate-400">{m.seoDescriptionLabel}</span>
           <textarea
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500 min-h-[56px]"
-            aria-label="메타 디스크립션"
-            placeholder="검색엔진 및 SNS 공유에 노출될 페이지 설명을 입력하세요."
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 min-h-[56px] dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.seoDescriptionAria}
+            placeholder={m.seoDescriptionPlaceholder}
             value={projectConfig.seoDescription ?? ""}
             onChange={(e) => updateProjectConfig({ seoDescription: e.target.value })}
           />
         </label>
 
         <label className="flex flex-col gap-1">
-          <span className="text-slate-400">OG/Twitter 이미지 URL</span>
+          <span className="text-slate-500 dark:text-slate-400">{m.seoOgImageUrlLabel}</span>
           <input
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="OG/Twitter 이미지 URL"
-            placeholder="예: https://example.com/og-image.png"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.seoOgImageUrlAria}
+            placeholder={m.seoOgImageUrlPlaceholder}
             value={projectConfig.seoOgImageUrl ?? ""}
             onChange={(e) => updateProjectConfig({ seoOgImageUrl: e.target.value })}
           />
         </label>
 
         <label className="flex flex-col gap-1">
-          <span className="text-slate-400">Canonical URL</span>
+          <span className="text-slate-500 dark:text-slate-400">{m.seoCanonicalUrlLabel}</span>
           <input
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="Canonical URL"
-            placeholder="예: https://example.com/landing"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.seoCanonicalUrlAria}
+            placeholder={m.seoCanonicalUrlPlaceholder}
             value={projectConfig.seoCanonicalUrl ?? ""}
             onChange={(e) => updateProjectConfig({ seoCanonicalUrl: e.target.value })}
           />
         </label>
 
-        <label className="flex items-center gap-2 text-[11px] text-slate-300">
+        <label className="flex items-center gap-2 text-[11px] text-slate-600 dark:text-slate-300">
           <input
             type="checkbox"
-            className="h-3 w-3 rounded border-slate-600 bg-slate-900"
-            aria-label="검색 엔진에 노출하지 않기 (noindex)"
+            className="h-3 w-3 rounded border-slate-300 bg-white text-sky-600 dark:border-slate-600 dark:bg-slate-900"
+            aria-label={m.seoNoIndexAria}
             checked={Boolean(projectConfig.seoNoIndex)}
             onChange={(e) => updateProjectConfig({ seoNoIndex: e.target.checked })}
           />
-          <span>검색 엔진에 노출하지 않기 (noindex)</span>
+          <span>{m.seoNoIndexLabel}</span>
         </label>
       </div>
 
       <div className="space-y-1">
         <label className="flex flex-col gap-1">
-          <span className="text-slate-400">페이지 head HTML</span>
+          <span className="text-slate-500 dark:text-slate-400">{m.headHtmlLabel}</span>
           <textarea
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] font-mono outline-none focus:border-sky-500 min-h-[72px]"
-            aria-label="페이지 head HTML"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] font-mono text-slate-900 outline-none focus:border-sky-500 min-h-[72px] dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.headHtmlAria}
             value={projectConfig.headHtml ?? ""}
             onChange={(e) => updateProjectConfig({ headHtml: e.target.value })}
-            placeholder="예: &lt;meta name=&quot;description&quot; content=&quot;...&quot; /&gt;"
+            placeholder={m.headHtmlPlaceholder}
           />
         </label>
       </div>
 
       <div className="space-y-1">
         <label className="flex flex-col gap-1">
-          <span className="text-slate-400">추적 스크립트</span>
+          <span className="text-slate-500 dark:text-slate-400">{m.trackingScriptLabel}</span>
           <textarea
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] font-mono outline-none focus:border-sky-500 min-h-[72px]"
-            aria-label="추적 스크립트"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] font-mono text-slate-900 outline-none focus:border-sky-500 min-h-[72px] dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.trackingScriptAria}
             value={projectConfig.trackingScript ?? ""}
             onChange={(e) => updateProjectConfig({ trackingScript: e.target.value })}
-            placeholder="예: &lt;script&gt;/* GA, Pixel 코드 */&lt;/script&gt;"
+            placeholder={m.trackingScriptPlaceholder}
           />
         </label>
       </div>

src/app/editor/panels/PropertiesSidebar.tsx

@@ -1,5 +1,6 @@
 "use client";
 
+import { useState } from "react";
 import type { Block, ButtonBlockProps, FormBlockProps, ListBlockProps, SectionBlockProps, TextBlockProps, VideoBlockProps } from "@/features/editor/state/editorStore";
 import { ButtonPropertiesPanel } from "./ButtonPropertiesPanel";
 import { TextPropertiesPanel } from "./TextPropertiesPanel";
@@ -14,6 +15,20 @@ import { FormCheckboxPropertiesPanel } from "../forms/FormCheckboxPropertiesPane
 import { FormRadioPropertiesPanel } from "../forms/FormRadioPropertiesPanel";
 import { FormControllerPanel } from "../forms/FormControllerPanel";
 import { ProjectPropertiesPanel } from "./ProjectPropertiesPanel";
+import { Trash2, Copy, SlidersHorizontal, HelpCircle } from "lucide-react";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorPropertiesSidebarMessages } from "@/features/i18n/messages/editorPropertiesSidebar";
+
+type BlockHelpProperty = {
+  label: string;
+  description: string;
+};
+
+type BlockHelpContent = {
+  title: string;
+  description: string;
+  properties?: BlockHelpProperty[];
+};
 
 interface PropertiesSidebarProps {
   blocks: Block[];
@@ -48,32 +63,90 @@ export function PropertiesSidebar(props: PropertiesSidebarProps) {
     onOutdentSelectedItem,
   } = props;
 
+  const [helpOpen, setHelpOpen] = useState(false);
+  const locale = useAppLocale();
+  const m = getEditorPropertiesSidebarMessages(locale);
+
+  const getHelpContentForSelectedBlock = (): BlockHelpContent | null => {
+    if (!selectedBlockId) return null;
+    const selectedBlock = blocks.find((b) => b.id === selectedBlockId);
+    if (!selectedBlock) return null;
+
+    switch (selectedBlock.type) {
+      case "text":
+        return m.text;
+      case "button":
+        return m.button;
+      case "image":
+        return m.image;
+      case "list":
+        return m.list;
+      case "divider":
+        return m.divider;
+      case "section":
+        return m.section;
+      case "video":
+        return m.video;
+      case "form":
+        return m.form;
+      case "formInput":
+        return m.formInput;
+      case "formSelect":
+        return m.formSelect;
+      case "formCheckbox":
+        return m.formCheckbox;
+      case "formRadio":
+        return m.formRadio;
+      default:
+        return m.fallback;
+    }
+  };
+
   return (
     <aside
       data-testid="properties-sidebar"
-      className="w-80 p-4 text-sm border-l border-slate-800 flex flex-col gap-4 overflow-auto pb-scroll"
+      className="w-80 p-4 text-sm border-l border-slate-200 bg-white flex flex-col gap-4 overflow-auto pb-scroll dark:border-slate-800 dark:bg-slate-950/40"
       onKeyDownCapture={(e) => {
         // 속성 패널 안에서 발생한 키 입력은 에디터 단축키/텍스트 블록 편집으로 전달되지 않도록 막는다.
         e.stopPropagation();
       }}
     >
-      <h2 className="font-medium mb-2">속성 패널</h2>
+      <h2 className="font-medium mb-2 flex items-center gap-2 text-slate-900 dark:text-slate-100">
+        <SlidersHorizontal className="w-4 h-4 text-sky-400" aria-hidden="true" />
+        <span>{m.panelTitle}</span>
+      </h2>
       {selectedBlockId ? (
         <div className="space-y-3">
           <div className="flex gap-2 text-[11px]">
             <button
               type="button"
-              className="flex-1 rounded border border-slate-700 bg-slate-900 px-2 py-1 text-slate-100 hover:bg-red-900/60 hover:border-red-700"
+              className="flex-1 rounded border border-slate-200 bg-slate-50 px-2 py-1 text-slate-900 hover:bg-red-50 hover:border-red-300 hover:text-red-700 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-red-900/60 dark:hover:border-red-700"
               onClick={() => removeBlock(selectedBlockId)}
             >
-              블록 삭제
+              <span className="inline-flex items-center gap-2">
+                <Trash2 className="w-3 h-3" aria-hidden="true" />
+                <span>{m.actionDeleteBlock}</span>
+              </span>
             </button>
             <button
               type="button"
-              className="flex-1 rounded border border-slate-700 bg-slate-900 px-2 py-1 text-slate-100 hover:bg-slate-800"
+              className="flex-1 rounded border border-slate-200 bg-slate-50 px-2 py-1 text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
               onClick={() => duplicateBlock(selectedBlockId)}
             >
-              블록 복제
+              <span className="inline-flex items-center gap-2">
+                <Copy className="w-3 h-3" aria-hidden="true" />
+                <span>{m.actionDuplicateBlock}</span>
+              </span>
+            </button>
+          </div>
+          <div className="flex justify-end text-[11px]">
+            <button
+              type="button"
+              className="inline-flex items-center gap-1 rounded border border-slate-200 bg-slate-50 px-2 py-1 text-slate-900 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+              onClick={() => setHelpOpen(true)}
+            >
+              <HelpCircle className="w-3 h-3" aria-hidden="true" />
+              <span>{m.actionHelp}</span>
             </button>
           </div>
           {(() => {
@@ -224,6 +297,41 @@ export function PropertiesSidebar(props: PropertiesSidebarProps) {
       ) : (
         <ProjectPropertiesPanel />
       )}
+      {helpOpen && (() => {
+        const help = getHelpContentForSelectedBlock();
+        if (!help) return null;
+
+        return (
+          <div className="fixed inset-0 z-40 flex items-center justify-center bg-black/60">
+            <div className="w-full max-w-md rounded-lg border border-slate-200 bg-white p-4 text-xs text-slate-900 shadow-xl dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100">
+              <div className="flex items-center justify-between mb-2">
+                <h3 className="text-sm font-medium">{help.title}</h3>
+                <button
+                  type="button"
+                  className="text-slate-600 dark:text-slate-400 hover:text-slate-100 text-xs"
+                  onClick={() => setHelpOpen(false)}
+                >
+                  {m.modalCloseLabel}
+                </button>
+              </div>
+              <p className="text-[11px] text-slate-600 dark:text-slate-200 whitespace-pre-line">{help.description}</p>
+              {help.properties && help.properties.length > 0 && (
+                <div className="mt-3 border-t border-slate-700 pt-2 space-y-2">
+                  <h4 className="text-[11px] font-semibold text-slate-900 dark:text-slate-200">{m.modalPropertiesSectionTitle}</h4>
+                  <ul className="space-y-1">
+                    {help.properties.map((prop) => (
+                      <li key={prop.label}>
+                        <div className="text-[11px] font-semibold text-slate-600 dark:text-slate:-100">{prop.label}</div>
+                        <div className="text-[11px] text-slate-500 dark:text-slate-300">{prop.description}</div>
+                      </li>
+                    ))}
+                  </ul>
+                </div>
+              )}
+            </div>
+          </div>
+        );
+      })()}
     </aside>
   );
 }

src/app/editor/panels/SectionPropertiesPanel.tsx

@@ -3,6 +3,8 @@
 import type { SectionBlockProps } from "@/features/editor/state/editorStore";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorSectionPanelMessages } from "@/features/i18n/messages/editorSectionPanel";
 
 export type SectionPropertiesPanelProps = {
   sectionProps: SectionBlockProps;
@@ -11,6 +13,8 @@ export type SectionPropertiesPanelProps = {
 };
 
 export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBlock }: SectionPropertiesPanelProps) {
+  const locale = useAppLocale();
+  const m = getEditorSectionPanelMessages(locale);
   const backgroundSource: "none" | "url" | "upload" = (() => {
     const src = sectionProps.backgroundImageSrc?.trim();
     const type = sectionProps.backgroundImageSourceType;
@@ -44,9 +48,9 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
       {/* 섹션 배경: 커스텀 색상 피커만 사용 */}
       <div className="mt-1">
         <ColorPickerField
-          label="배경 색상"
-          ariaLabelColorInput="섹션 배경 색상 선택"
-          ariaLabelHexInput="섹션 배경 색상 HEX 입력"
+          label={m.backgroundColorLabel}
+          ariaLabelColorInput={m.backgroundColorPickerAria}
+          ariaLabelHexInput={m.backgroundColorHexAria}
           value={sectionProps.backgroundColorCustom ?? ""}
           onChange={(hex) => {
             const next = hex && hex.trim().length > 0 ? hex : undefined;
@@ -59,10 +63,10 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
       {/* 섹션 배경 이미지 */}
       <div className="mt-3 space-y-2 text-xs text-slate-400">
         <label className="flex flex-col gap-1">
-          <span>배경 이미지 소스</span>
+          <span>{m.backgroundImageSourceLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-            aria-label="배경 이미지 소스"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.backgroundImageSourceAria}
             value={backgroundSource}
             onChange={(e) => {
               const next = e.target.value as "none" | "url" | "upload";
@@ -84,18 +88,18 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
               }
             }}
           >
-            <option value="none">없음</option>
-            <option value="url">URL</option>
-            <option value="upload">파일 업로드</option>
+            <option value="none">{m.backgroundImageSourceOptionNone}</option>
+            <option value="url">{m.backgroundImageSourceOptionUrl}</option>
+            <option value="upload">{m.backgroundImageSourceOptionUpload}</option>
           </select>
         </label>
 
         {backgroundSource === "url" && (
           <label className="flex flex-col gap-1">
-            <span>배경 이미지 URL</span>
+            <span>{m.backgroundImageUrlLabel}</span>
             <input
-              className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-              aria-label="배경 이미지 URL"
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+              aria-label={m.backgroundImageUrlAria}
               value={sectionProps.backgroundImageSrc ?? ""}
               onChange={(e) => {
                 const value = e.target.value;
@@ -111,12 +115,12 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
 
         {backgroundSource === "upload" && (
           <label className="flex flex-col gap-1">
-            <span>배경 이미지 파일 업로드</span>
+            <span>{m.backgroundImageUploadLabel}</span>
             <input
               type="file"
               accept="image/*"
               className="w-full text-[11px] text-slate-300 file:mr-2 file:rounded file:border file:border-slate-700 file:bg-slate-800 file:px-2 file:py-1 file:text-[11px] file:text-slate-100 hover:file:bg-slate-700"
-              aria-label="배경 이미지 파일 업로드"
+              aria-label={m.backgroundImageUploadAria}
               onChange={async (event) => {
                 const file = event.target.files?.[0];
                 if (!file) return;
@@ -155,10 +159,10 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
         {backgroundSource !== "none" && (
           <>
             <label className="flex flex-col gap-1">
-              <span>배경 이미지 위치 모드</span>
+              <span>{m.backgroundImagePositionModeLabel}</span>
               <select
-                className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                aria-label="배경 이미지 위치 모드"
+                className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                aria-label={m.backgroundImagePositionModeAria}
                 value={positionMode}
                 onChange={(e) =>
                   updateBlock(selectedBlockId, {
@@ -166,16 +170,16 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
                   } as any)
                 }
               >
-                <option value="preset">프리셋</option>
-                <option value="custom">커스텀 (X/Y)</option>
+                <option value="preset">{m.backgroundImagePositionModeOptionPreset}</option>
+                <option value="custom">{m.backgroundImagePositionModeOptionCustom}</option>
               </select>
             </label>
 
             <label className="flex flex-col gap-1">
-              <span>배경 이미지 크기</span>
+              <span>{m.backgroundImageSizeLabel}</span>
               <select
-                className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                aria-label="배경 이미지 크기"
+                className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                aria-label={m.backgroundImageSizeAria}
                 value={sectionProps.backgroundImageSize ?? "cover"}
                 onChange={(e) =>
                   updateBlock(selectedBlockId, {
@@ -191,10 +195,10 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
 
             {positionMode === "preset" && (
               <label className="flex flex-col gap-1">
-                <span>배경 이미지 위치</span>
+                <span>{m.backgroundImagePositionLabel}</span>
                 <select
-                  className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                  aria-label="배경 이미지 위치"
+                  className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                  aria-label={m.backgroundImagePositionAria}
                   value={sectionProps.backgroundImagePosition ?? "center"}
                   onChange={(e) =>
                     updateBlock(selectedBlockId, {
@@ -202,11 +206,11 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
                     } as any)
                   }
                 >
-                  <option value="center">가운데</option>
-                  <option value="top">위</option>
-                  <option value="bottom">아래</option>
-                  <option value="left">왼쪽</option>
-                  <option value="right">오른쪽</option>
+                  <option value="center">{m.backgroundImagePositionOptionCenter}</option>
+                  <option value="top">{m.backgroundImagePositionOptionTop}</option>
+                  <option value="bottom">{m.backgroundImagePositionOptionBottom}</option>
+                  <option value="left">{m.backgroundImagePositionOptionLeft}</option>
+                  <option value="right">{m.backgroundImagePositionOptionRight}</option>
                 </select>
               </label>
             )}
@@ -214,7 +218,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
             {positionMode === "custom" && (
               <>
                 <NumericPropertyControl
-                  label="배경 이미지 가로 위치"
+                  label={m.backgroundImagePositionXLabel}
                   unitLabel="(%)"
                   value={
                     typeof sectionProps.backgroundImagePositionXPercent === "number"
@@ -225,9 +229,9 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
                   max={100}
                   step={1}
                   presets={[
-                    { id: "left", label: "왼쪽", value: 0 },
-                    { id: "center", label: "가운데", value: 50 },
-                    { id: "right", label: "오른쪽", value: 100 },
+                    { id: "left", label: m.backgroundImagePositionOptionLeft, value: 0 },
+                    { id: "center", label: m.backgroundImagePositionOptionCenter, value: 50 },
+                    { id: "right", label: m.backgroundImagePositionOptionRight, value: 100 },
                   ]}
                   onChangeValue={(next) =>
                     updateBlock(selectedBlockId, {
@@ -238,7 +242,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
                 />
 
                 <NumericPropertyControl
-                  label="배경 이미지 세로 위치"
+                  label={m.backgroundImagePositionYLabel}
                   unitLabel="(%)"
                   value={
                     typeof sectionProps.backgroundImagePositionYPercent === "number"
@@ -249,9 +253,9 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
                   max={100}
                   step={1}
                   presets={[
-                    { id: "top", label: "위", value: 0 },
-                    { id: "center", label: "가운데", value: 50 },
-                    { id: "bottom", label: "아래", value: 100 },
+                    { id: "top", label: m.backgroundImagePositionOptionTop, value: 0 },
+                    { id: "center", label: m.backgroundImagePositionOptionCenter, value: 50 },
+                    { id: "bottom", label: m.backgroundImagePositionOptionBottom, value: 100 },
                   ]}
                   onChangeValue={(next) =>
                     updateBlock(selectedBlockId, {
@@ -264,10 +268,10 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
             )}
 
             <label className="flex flex-col gap-1">
-              <span>배경 이미지 반복</span>
+              <span>{m.backgroundImageRepeatLabel}</span>
               <select
-                className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-                aria-label="배경 이미지 반복"
+                className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+                aria-label={m.backgroundImageRepeatAria}
                 value={sectionProps.backgroundImageRepeat ?? "no-repeat"}
                 onChange={(e) =>
                   updateBlock(selectedBlockId, {
@@ -275,10 +279,10 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
                   } as any)
                 }
               >
-                <option value="no-repeat">반복 없음</option>
-                <option value="repeat">가로/세로 반복</option>
-                <option value="repeat-x">가로 반복</option>
-                <option value="repeat-y">세로 반복</option>
+                <option value="no-repeat">{m.backgroundImageRepeatOptionNone}</option>
+                <option value="repeat">{m.backgroundImageRepeatOptionBoth}</option>
+                <option value="repeat-x">{m.backgroundImageRepeatOptionX}</option>
+                <option value="repeat-y">{m.backgroundImageRepeatOptionY}</option>
               </select>
             </label>
           </>
@@ -288,10 +292,10 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
       {/* 섹션 배경 비디오 */}
       <div className="mt-3 space-y-2 text-xs text-slate-400">
         <label className="flex flex-col gap-1">
-          <span>배경 비디오 소스</span>
+          <span>{m.backgroundVideoSourceLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-            aria-label="배경 비디오 소스"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.backgroundVideoSourceAria}
             value={backgroundVideoSource}
             onChange={(e) => {
               const next = e.target.value as "none" | "url" | "upload";
@@ -313,18 +317,18 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
               }
             }}
           >
-            <option value="none">없음</option>
-            <option value="url">URL</option>
-            <option value="upload">파일 업로드</option>
+            <option value="none">{m.backgroundVideoSourceOptionNone}</option>
+            <option value="url">{m.backgroundVideoSourceOptionUrl}</option>
+            <option value="upload">{m.backgroundVideoSourceOptionUpload}</option>
           </select>
         </label>
 
         {backgroundVideoSource === "url" && (
           <label className="flex flex-col gap-1">
-            <span>배경 비디오 URL</span>
+            <span>{m.backgroundVideoUrlLabel}</span>
             <input
-              className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-              aria-label="배경 비디오 URL"
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+              aria-label={m.backgroundVideoUrlAria}
               value={sectionProps.backgroundVideoSrc ?? ""}
               onChange={(e) => {
                 const value = e.target.value;
@@ -340,12 +344,12 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
 
         {backgroundVideoSource === "upload" && (
           <label className="flex flex-col gap-1">
-            <span>배경 비디오 파일 업로드</span>
+            <span>{m.backgroundVideoUploadLabel}</span>
             <input
               type="file"
               accept="video/*"
               className="w-full text-[11px] text-slate-300 file:mr-2 file:rounded file:border file:border-slate-700 file:bg-slate-800 file:px-2 file:py-1 file:text-[11px] file:text-slate-100 hover:file:bg-slate-700"
-              aria-label="배경 비디오 파일 업로드"
+              aria-label={m.backgroundVideoUploadAria}
               onChange={async (event) => {
                 const file = event.target.files?.[0];
                 if (!file) return;
@@ -383,21 +387,21 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
         )}
       </div>
 
-      {/* 세로 패딩 슬라이더 (px) - 프리셋 + 자유 슬라이더 */}
+      {/* 세로 패딩 슬라이더 - 프리셋 + 자유 슬라이더 */}
       <div className="mt-3 space-y-1">
         <NumericPropertyControl
-          label="세로 패딩"
-          unitLabel="(px)"
+          label={m.paddingYLabel}
+          unitLabel={m.paddingYUnitLabel}
           value={typeof sectionProps.paddingYPx === "number" ? sectionProps.paddingYPx : 48}
           min={16}
           max={80}
           step={2}
           presets={[
-            { id: "x-tight", label: "매우 좁게", value: 16 },
-            { id: "tight", label: "좁게", value: 32 },
-            { id: "normal", label: "보통", value: 48 },
-            { id: "relaxed", label: "넓게", value: 64 },
-            { id: "x-relaxed", label: "아주 넓게", value: 80 },
+            { id: "x-tight", label: m.paddingYPresetExtraTight, value: 16 },
+            { id: "tight", label: m.paddingYPresetTight, value: 32 },
+            { id: "normal", label: m.paddingYPresetNormal, value: 48 },
+            { id: "relaxed", label: m.paddingYPresetRelaxed, value: 64 },
+            { id: "x-relaxed", label: m.paddingYPresetExtraRelaxed, value: 80 },
           ]}
           onChangeValue={(next) => {
             const safe = Number.isFinite(next) ? next : 48;
@@ -407,14 +411,14 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
       </div>
 
       <div className="mt-3 space-y-2 border-t border-slate-800 pt-3 text-xs text-slate-400">
-        <h4 className="text-[11px] font-semibold text-slate-200">섹션 레이아웃</h4>
+        <h4 className="text-[11px] font-semibold text-slate-200">{m.layoutSectionTitle}</h4>
 
         {/* 컬럼 레이아웃 프리셋 */}
         <label className="flex flex-col gap-1">
-          <span>섹션 컬럼 레이아웃</span>
+          <span>{m.columnLayoutLabel}</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="섹션 컬럼 레이아웃"
+            className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.columnLayoutAria}
             value={(() => {
               const cols = sectionProps.columns ?? [];
               const spans = cols.map((c) => c.span).join("-");
@@ -471,12 +475,12 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
               updateBlock(selectedBlockId, { columns: nextColumns } as any);
             }}
           >
-            <option value="one-full">1열 (1/1)</option>
-            <option value="two-equal">2열 (1/2 - 1/2)</option>
-            <option value="two-1-2">2열 (1/3 - 2/3)</option>
-            <option value="two-2-1">2열 (2/3 - 1/3)</option>
-            <option value="three-equal">3열 (1/3 - 1/3 - 1/3)</option>
-            <option value="custom">직접 조정</option>
+            <option value="one-full">{m.columnLayoutOptionOneFull}</option>
+            <option value="two-equal">{m.columnLayoutOptionTwoEqual}</option>
+            <option value="two-1-2">{m.columnLayoutOptionTwoOneTwo}</option>
+            <option value="two-2-1">{m.columnLayoutOptionTwoTwoOne}</option>
+            <option value="three-equal">{m.columnLayoutOptionThreeEqual}</option>
+            <option value="custom">{m.columnLayoutOptionCustom}</option>
           </select>
         </label>
 
@@ -678,20 +682,20 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
           });
         })()}
 
-        {/* 최대 폭 슬라이더 (px) - 프리셋 + 자유 슬라이더 */}
+        {/* 최대 폭 슬라이더 - 프리셋 + 자유 슬라이더 */}
         <NumericPropertyControl
-          label="최대 폭 (px)"
-          unitLabel="(px)"
+          label={m.maxWidthLabel}
+          unitLabel={m.maxWidthUnitLabel}
           value={typeof sectionProps.maxWidthPx === "number" ? sectionProps.maxWidthPx : 960}
           min={640}
           max={1440}
           step={16}
           presets={[
-            { id: "x-narrow", label: "매우 좁게", value: 640 },
-            { id: "narrow", label: "좁게", value: 800 },
-            { id: "normal", label: "보통", value: 960 },
-            { id: "wide", label: "넓게", value: 1200 },
-            { id: "x-wide", label: "아주 넓게", value: 1440 },
+            { id: "x-narrow", label: m.maxWidthPresetExtraNarrow, value: 640 },
+            { id: "narrow", label: m.maxWidthPresetNarrow, value: 800 },
+            { id: "normal", label: m.maxWidthPresetNormal, value: 960 },
+            { id: "wide", label: m.maxWidthPresetWide, value: 1200 },
+            { id: "x-wide", label: m.maxWidthPresetExtraWide, value: 1440 },
           ]}
           onChangeValue={(next) => {
             const safe = Number.isFinite(next) ? next : 960;
@@ -699,21 +703,21 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
           }}
         />
 
-        {/* 컬럼 간 간격 슬라이더 (px) - 프리셋 + 자유 슬라이더 */}
+        {/* 컬럼 간 간격 슬라이더 - 프리셋 + 자유 슬라이더 */}
         <NumericPropertyControl
-          label="컬럼 간 간격 (px)"
-          unitLabel="(px)"
+          label={m.gapXLabel}
+          unitLabel={m.gapXUnitLabel}
           value={typeof sectionProps.gapXPx === "number" ? sectionProps.gapXPx : 24}
           min={0}
           max={64}
           step={2}
           presets={[
-            { id: "zero", label: "0", value: 0 },
-            { id: "tight", label: "좁게", value: 16 },
-            { id: "normal", label: "보통", value: 24 },
-            { id: "relaxed", label: "넓게", value: 32 },
-            { id: "x-relaxed", label: "아주 넓게", value: 48 },
-            { id: "max", label: "최대", value: 64 },
+            { id: "zero", label: m.gapXPresetZero, value: 0 },
+            { id: "tight", label: m.gapXPresetTight, value: 16 },
+            { id: "normal", label: m.gapXPresetNormal, value: 24 },
+            { id: "relaxed", label: m.gapXPresetRelaxed, value: 32 },
+            { id: "x-relaxed", label: m.gapXPresetExtraRelaxed, value: 48 },
+            { id: "max", label: m.gapXPresetMax, value: 64 },
           ]}
           onChangeValue={(next) => {
             const safe = Number.isFinite(next) ? next : 24;
@@ -723,19 +727,19 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
 
         {/* 세로 정렬 */}
         <label className="flex flex-col gap-1">
-          <span>컬럼 세로 정렬</span>
+          <span>{m.alignItemsLabel}</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="섹션 컬럼 세로 정렬"
+            className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.alignItemsAria}
             value={sectionProps.alignItems ?? "top"}
             onChange={(e) => {
               const value = e.target.value as NonNullable<SectionBlockProps["alignItems"]>;
               updateBlock(selectedBlockId, { alignItems: value } as any);
             }}
           >
-            <option value="top">위</option>
-            <option value="center">가운데</option>
-            <option value="bottom">아래</option>
+            <option value="top">{m.alignItemsOptionTop}</option>
+            <option value="center">{m.alignItemsOptionCenter}</option>
+            <option value="bottom">{m.alignItemsOptionBottom}</option>
           </select>
         </label>
       </div>

src/app/editor/panels/TextPropertiesPanel.tsx

@@ -4,6 +4,8 @@ import type { TextBlockProps } from "@/features/editor/state/editorStore";
 import { PropertySliderField } from "@/features/editor/components/PropertySliderField";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorTextPanelMessages } from "@/features/i18n/messages/editorTextPanel";
 
 export type TextPropertiesPanelProps = {
   textProps: TextBlockProps;
@@ -20,6 +22,8 @@ export function TextPropertiesPanel({
   editingBlockId,
   setEditingText,
 }: TextPropertiesPanelProps) {
+  const locale = useAppLocale();
+  const m = getEditorTextPanelMessages(locale);
   const fontSizeMode = textProps.fontSizeMode ?? "scale";
   const fallbackScale =
     textProps.size === "sm" ? "sm" : textProps.size === "lg" ? "lg" : "base";
@@ -97,10 +101,10 @@ export function TextPropertiesPanel({
   return (
     <>
       <div className="space-y-1">
-        <p className="text-xs text-slate-400">선택한 텍스트 블록 내용</p>
+        <p className="text-xs text-slate-400">{m.selectedTextLabel}</p>
         <textarea
-          className="w-full min-h-[80px] rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-          aria-label="선택한 텍스트 블록 내용"
+          className="w-full min-h-[80px] rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+          aria-label={m.selectedTextAria}
           value={textProps.text}
           onChange={(e) => {
             const value = e.target.value;
@@ -114,33 +118,33 @@ export function TextPropertiesPanel({
 
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>정렬</span>
+          <span>{m.alignLabel}</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="정렬"
+            className="rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.alignAria}
             value={textProps.align}
             onChange={(e) => {
               const value = e.target.value as "left" | "center" | "right";
               updateBlock(selectedBlockId, { align: value });
             }}
           >
-            <option value="left">왼쪽</option>
-            <option value="center">가운데</option>
-            <option value="right">오른쪽</option>
+            <option value="left">{m.alignOptionLeft}</option>
+            <option value="center">{m.alignOptionCenter}</option>
+            <option value="right">{m.alignOptionRight}</option>
           </select>
         </label>
       </div>
 
       <div className="space-y-1">
         <div className="flex items-center justify-between text-[11px] text-slate-400">
-          <span>텍스트 스타일</span>
+          <span>{m.textStyleLabel}</span>
           <div className="flex gap-1">
             <button
               type="button"
               className={`px-2 py-0.5 rounded border text-[11px] ${
                 textProps.underline
                   ? "border-sky-500 bg-sky-900/40 text-sky-100"
-                  : "border-slate-700 bg-slate-900 text-slate-300"
+                  : "border-slate-300 bg-white text-slate-900 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
               }`}
               onClick={() => {
                 updateBlock(selectedBlockId, {
@@ -148,14 +152,14 @@ export function TextPropertiesPanel({
                 } as any);
               }}
             >
-              밑줄
+              {m.underlineLabel}
             </button>
             <button
               type="button"
               className={`px-2 py-0.5 rounded border text-[11px] ${
                 textProps.strike
                   ? "border-sky-500 bg-sky-900/40 text-sky-100"
-                  : "border-slate-700 bg-slate-900 text-slate-300"
+                  : "border-slate-300 bg-white text-slate-900 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
               }`}
               onClick={() => {
                 updateBlock(selectedBlockId, {
@@ -163,14 +167,14 @@ export function TextPropertiesPanel({
                 } as any);
               }}
             >
-              가운데줄
+              {m.strikeLabel}
             </button>
             <button
               type="button"
               className={`px-2 py-0.5 rounded border text-[11px] ${
                 textProps.italic
                   ? "border-sky-500 bg-sky-900/40 text-sky-100"
-                  : "border-slate-700 bg-slate-900 text-slate-300"
+                  : "border-slate-300 bg-white text-slate-900 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
               }`}
               onClick={() => {
                 updateBlock(selectedBlockId, {
@@ -178,7 +182,7 @@ export function TextPropertiesPanel({
                 } as any);
               }}
             >
-              이탤릭
+              {m.italicLabel}
             </button>
           </div>
         </div>
@@ -186,8 +190,8 @@ export function TextPropertiesPanel({
 
       <div className="space-y-1">
         <NumericPropertyControl
-          label="글자 크기"
-          unitLabel="(px)"
+          label={m.fontSizeLabel}
+          unitLabel={m.fontSizeUnitLabel}
           value={Number.isFinite(parsedFontSize) ? parsedFontSize : 16}
           min={10}
           max={72}
@@ -243,11 +247,11 @@ export function TextPropertiesPanel({
 
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>글자 간격</span>
+          <span>{m.letterSpacingLabel}</span>
           <div className="flex items-center gap-2">
             <select
-              className="w-32 rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-              aria-label="글자 간격 프리셋"
+              className="w-32 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+              aria-label={m.letterSpacingPresetAria}
               value={letterSpacingPreset}
               onChange={(e) => {
                 const preset = e.target.value as
@@ -276,17 +280,17 @@ export function TextPropertiesPanel({
                 } as any);
               }}
             >
-              <option value="tighter">아주 좁게</option>
-              <option value="tight">좁게</option>
-              <option value="normal">보통</option>
-              <option value="wide">넓게</option>
-              <option value="wider">아주 넓게</option>
+              <option value="tighter">{m.letterSpacingPresetTighter}</option>
+              <option value="tight">{m.letterSpacingPresetTight}</option>
+              <option value="normal">{m.letterSpacingPresetNormal}</option>
+              <option value="wide">{m.letterSpacingPresetWide}</option>
+              <option value="wider">{m.letterSpacingPresetWider}</option>
             </select>
 
             <PropertySliderField
               label=""
-              ariaLabelSlider="글자 간격 슬라이더"
-              ariaLabelInput="글자 간격 커스텀 (px)"
+              ariaLabelSlider={m.letterSpacingSliderAria}
+              ariaLabelInput={m.letterSpacingInputAria}
               value={Number.isFinite(parsedLetterSpacingPx) ? parsedLetterSpacingPx : 0}
               min={-2}
               max={10}
@@ -304,18 +308,18 @@ export function TextPropertiesPanel({
 
       <div className="space-y-1">
         <NumericPropertyControl
-          label="줄 간격"
+          label={m.lineHeightLabel}
           unitLabel=""
           value={Number.isFinite(parsedLineHeight) ? parsedLineHeight : 1.5}
           min={-1}
           max={3}
           step={0.05}
           presets={[
-            { id: "tight", label: "좁게", value: 1.25 },
-            { id: "snug", label: "약간 좁게", value: 1.35 },
-            { id: "normal", label: "보통", value: 1.5 },
-            { id: "relaxed", label: "넓게", value: 1.7 },
-            { id: "loose", label: "아주 넓게", value: 1.9 },
+            { id: "tight", label: m.lineHeightPresetTight, value: 1.25 },
+            { id: "snug", label: m.lineHeightPresetSnug, value: 1.35 },
+            { id: "normal", label: m.lineHeightPresetNormal, value: 1.5 },
+            { id: "relaxed", label: m.lineHeightPresetRelaxed, value: 1.7 },
+            { id: "loose", label: m.lineHeightPresetLoose, value: 1.9 },
           ]}
           onChangeValue={(v) => {
             const preset: Record<NonNullable<TextBlockProps["lineHeightScale"]>, number> = {
@@ -350,7 +354,7 @@ export function TextPropertiesPanel({
 
       <div className="space-y-1">
         <NumericPropertyControl
-          label="굵기"
+          label={m.fontWeightLabel}
           value={Number.isFinite(parsedFontWeight) ? parsedFontWeight : 400}
           min={100}
           max={900}
@@ -363,12 +367,12 @@ export function TextPropertiesPanel({
             id: scale,
             label:
               scale === "normal"
-                ? "보통"
+                ? m.fontWeightPresetNormal
                 : scale === "medium"
-                ? "중간"
+                ? m.fontWeightPresetMedium
                 : scale === "semibold"
-                ? "세미볼드"
-                : "볼드",
+                ? m.fontWeightPresetSemibold
+                : m.fontWeightPresetBold,
             value:
               scale === "normal"
                 ? 400
@@ -410,9 +414,9 @@ export function TextPropertiesPanel({
 
       <div className="space-y-1">
         <ColorPickerField
-          label="텍스트 색상"
-          ariaLabelColorInput="텍스트 색상 피커"
-          ariaLabelHexInput="텍스트 색상 HEX"
+          label={m.textColorLabel}
+          ariaLabelColorInput={m.textColorPickerAria}
+          ariaLabelHexInput={m.textColorHexAria}
           value={
             (textProps.colorCustom && textProps.colorCustom.startsWith("#")
               ? textProps.colorCustom
@@ -439,9 +443,9 @@ export function TextPropertiesPanel({
 
       <div className="space-y-1">
         <ColorPickerField
-          label="블록 배경색"
-          ariaLabelColorInput="텍스트 블록 배경색 피커"
-          ariaLabelHexInput="텍스트 블록 배경색 HEX"
+          label={m.backgroundColorLabel}
+          ariaLabelColorInput={m.backgroundColorPickerAria}
+          ariaLabelHexInput={m.backgroundColorHexAria}
           value={textProps.backgroundColorCustom ?? ""}
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -454,11 +458,11 @@ export function TextPropertiesPanel({
 
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>최대 너비</span>
+          <span>{m.maxWidthLabel}</span>
           <div className="flex items-center gap-2">
             <select
-              className="w-32 rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-              aria-label="최대 너비 프리셋"
+              className="w-32 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+              aria-label={m.maxWidthPresetAria}
               value={maxWidthScale}
               onChange={(e) => {
                 const value = e.target.value as NonNullable<TextBlockProps["maxWidthScale"]>;
@@ -473,16 +477,16 @@ export function TextPropertiesPanel({
                 } as any);
               }}
             >
-              <option value="none">제한 없음</option>
-              <option value="prose">본문 폭 (60ch)</option>
-              <option value="narrow">좁게 (40ch)</option>
+              <option value="none">{m.maxWidthPresetNone}</option>
+              <option value="prose">{m.maxWidthPresetProse}</option>
+              <option value="narrow">{m.maxWidthPresetNarrow}</option>
             </select>
             <input
               type="range"
               min={20}
               max={120}
               step={5}
-              aria-label="최대 너비 슬라이더 (ch 단위)"
+              aria-label={m.maxWidthSliderAria}
               value={(() => {
                 const raw = textProps.maxWidthCustom ?? "";
                 const match = raw.match(/([0-9]+)ch/);
@@ -502,9 +506,9 @@ export function TextPropertiesPanel({
             />
           </div>
           <input
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="최대 너비 커스텀"
-            placeholder="예: 600px, 40rem, 80%, 60ch"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.maxWidthCustomAria}
+            placeholder={m.maxWidthPlaceholder}
             value={textProps.maxWidthCustom ?? ""}
             onChange={(e) => {
               updateBlock(selectedBlockId, {

src/app/editor/panels/VideoPropertiesPanel.tsx

@@ -3,6 +3,8 @@
 import type { VideoBlockProps } from "@/features/editor/state/editorStore";
 import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
 import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorVideoPanelMessages } from "@/features/i18n/messages/editorVideoPanel";
 
 export type VideoPropertiesPanelProps = {
   videoProps: VideoBlockProps;
@@ -11,6 +13,8 @@ export type VideoPropertiesPanelProps = {
 };
 
 export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock }: VideoPropertiesPanelProps) {
+  const locale = useAppLocale();
+  const m = getEditorVideoPanelMessages(locale);
   // 비디오 소스 유형: 업로드(/api/video/:id) 또는 외부 URL 구분
   const source: "url" | "upload" =
     videoProps.sourceType === "asset" || (videoProps.sourceUrl && videoProps.sourceUrl.startsWith("/api/video/"))
@@ -22,10 +26,10 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
       {/* 비디오 소스 선택 (URL / 업로드) */}
       <div className="space-y-1">
         <label className="flex flex-col gap-1 text-xs text-slate-400">
-          <span>비디오 소스</span>
+          <span>{m.sourceLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-            aria-label="비디오 소스"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.sourceAria}
             value={source}
             onChange={(e) => {
               const next = e.target.value as "url" | "upload";
@@ -41,8 +45,8 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
               }
             }}
           >
-            <option value="url">URL</option>
-            <option value="upload">파일 업로드</option>
+            <option value="url">{m.sourceOptionUrl}</option>
+            <option value="upload">{m.sourceOptionUpload}</option>
           </select>
         </label>
       </div>
@@ -51,10 +55,10 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
       {source === "url" && (
         <div className="space-y-1">
           <label className="flex flex-col gap-1 text-xs text-slate-400">
-            <span>비디오 URL</span>
+            <span>{m.urlLabel}</span>
             <input
-              className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-              aria-label="비디오 URL"
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+              aria-label={m.urlAria}
               value={videoProps.sourceUrl ?? ""}
               onChange={(e) => {
                 const value = e.target.value;
@@ -70,10 +74,10 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
           {/* 접근성: 제목 / aria-label / 캡션 텍스트 (현재는 UI에서 숨김 처리) */}
           <div className="hidden">
             <label className="flex flex-col gap-1 mt-2">
-              <span>비디오 제목</span>
+              <span>{m.titleLabel}</span>
               <input
                 className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-                aria-label="비디오 제목"
+                aria-label={m.titleAria}
                 value={(videoProps as any).titleText ?? ""}
                 onChange={(e) => {
                   updateBlock(selectedBlockId, { titleText: e.target.value } as any);
@@ -82,10 +86,10 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
             </label>
 
             <label className="mt-2 flex flex-col gap-1">
-              <span>비디오 aria-label</span>
+              <span>{m.ariaLabelLabel}</span>
               <input
                 className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-                aria-label="비디오 aria-label"
+                aria-label={m.ariaLabelAria}
                 value={(videoProps as any).ariaLabel ?? ""}
                 onChange={(e) => {
                   updateBlock(selectedBlockId, { ariaLabel: e.target.value } as any);
@@ -94,10 +98,10 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
             </label>
 
             <label className="mt-2 flex flex-col gap-1">
-              <span>비디오 캡션 텍스트</span>
+              <span>{m.captionTextLabel}</span>
               <input
                 className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-                aria-label="비디오 캡션 텍스트"
+                aria-label={m.captionTextAria}
                 value={(videoProps as any).captionText ?? ""}
                 onChange={(e) => {
                   updateBlock(selectedBlockId, { captionText: e.target.value } as any);
@@ -110,10 +114,10 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
 
       <div className="mt-3 space-y-1 text-xs text-slate-400">
         <label className="flex flex-col gap-1">
-          <span>포스터 이미지 URL</span>
+          <span>{m.posterImageUrlLabel}</span>
           <input
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
-            aria-label="포스터 이미지 URL"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.posterImageUrlAria}
             value={videoProps.posterImageSrc ?? ""}
             onChange={(e) => {
               const value = e.target.value;
@@ -131,12 +135,12 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
       {source === "upload" && (
         <div className="space-y-1">
           <label className="flex flex-col gap-1 text-xs text-slate-400">
-            <span>비디오 파일 업로드</span>
+            <span>{m.uploadLabel}</span>
             <input
               type="file"
               accept="video/*"
               className="w-full text-[11px] text-slate-300 file:mr-2 file:rounded file:border file:border-slate-700 file:bg-slate-800 file:px-2 file:py-1 file:text-[11px] file:text-slate-100 hover:file:bg-slate-700"
-              aria-label="비디오 파일 업로드"
+              aria-label={m.uploadAria}
               onChange={async (event) => {
                 const file = event.target.files?.[0];
                 if (!file) return;
@@ -175,14 +179,14 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
       )}
 
       <div className="mt-3 space-y-2 border-t border-slate-800 pt-3 text-xs text-slate-400">
-        <h4 className="text-[11px] font-semibold text-slate-200">비디오 스타일</h4>
+        <h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">{m.styleSectionTitle}</h4>
 
         {/* 카드 배경색 */}
         <div className="space-y-1">
           <ColorPickerField
-            label="카드 배경색"
-            ariaLabelColorInput="비디오 카드 배경색 피커"
-            ariaLabelHexInput="비디오 카드 배경색 HEX"
+            label={m.cardBackgroundLabel}
+            ariaLabelColorInput={m.cardBackgroundPickerAria}
+            ariaLabelHexInput={m.cardBackgroundHexAria}
             value={videoProps.backgroundColorCustom ?? ""}
             onChange={(hex) => {
               const next = hex && hex.trim().length > 0 ? hex : undefined;
@@ -194,10 +198,10 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
 
         {/* 정렬 */}
         <label className="flex flex-col gap-1">
-          <span>비디오 정렬</span>
+          <span>{m.alignLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-            aria-label="비디오 정렬"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.alignAria}
             value={videoProps.align ?? "center"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -205,18 +209,18 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
               } as any)
             }
           >
-            <option value="left">왼쪽</option>
-            <option value="center">가운데</option>
-            <option value="right">오른쪽</option>
+            <option value="left">{m.alignOptionLeft}</option>
+            <option value="center">{m.alignOptionCenter}</option>
+            <option value="right">{m.alignOptionRight}</option>
           </select>
         </label>
 
         {/* 너비 모드 */}
         <label className="flex flex-col gap-1">
-          <span>비디오 너비 모드</span>
+          <span>{m.widthModeLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-            aria-label="비디오 너비 모드"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.widthModeAria}
             value={videoProps.widthMode ?? "auto"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -224,24 +228,24 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
               } as any)
             }
           >
-            <option value="auto">내용에 맞춤</option>
-            <option value="full">가로 전체</option>
-            <option value="fixed">고정 너비 (px)</option>
+            <option value="auto">{m.widthModeOptionAuto}</option>
+            <option value="full">{m.widthModeOptionFull}</option>
+            <option value="fixed">{m.widthModeOptionFixed}</option>
           </select>
         </label>
 
         {(videoProps.widthMode ?? "auto") === "fixed" && (
           <NumericPropertyControl
-            label="고정 너비 (px)"
-            unitLabel="(px)"
+            label={m.fixedWidthLabel}
+            unitLabel={m.fixedWidthUnitLabel}
             value={videoProps.widthPx ?? 640}
             min={160}
             max={1920}
             step={10}
             presets={[
-              { id: "sm", label: "작게", value: 480 },
-              { id: "md", label: "보통", value: 640 },
-              { id: "lg", label: "넓게", value: 960 },
+              { id: "sm", label: m.fixedWidthPresetSmall, value: 480 },
+              { id: "md", label: m.fixedWidthPresetMedium, value: 640 },
+              { id: "lg", label: m.fixedWidthPresetLarge, value: 960 },
             ]}
             onChangeValue={(v) => {
               updateBlock(selectedBlockId, {
@@ -253,8 +257,8 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
 
         {/* 카드 패딩 */}
         <NumericPropertyControl
-          label="카드 패딩"
-          unitLabel="(px)"
+          label={m.cardPaddingLabel}
+          unitLabel={m.cardPaddingUnitLabel}
           value={typeof videoProps.cardPaddingPx === "number" ? videoProps.cardPaddingPx : 0}
           min={0}
           max={64}
@@ -267,8 +271,8 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
 
         {/* 카드 모서리 둥글기 */}
         <NumericPropertyControl
-          label="카드 모서리 둥글기"
-          unitLabel="(px)"
+          label={m.cardBorderRadiusLabel}
+          unitLabel={m.cardBorderRadiusUnitLabel}
           value={typeof videoProps.borderRadiusPx === "number" ? videoProps.borderRadiusPx : 0}
           min={0}
           max={64}
@@ -281,8 +285,8 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
 
         {/* 시작 시점 (초) */}
         <NumericPropertyControl
-          label="시작 시점 (초)"
-          unitLabel="(초)"
+          label={m.startTimeLabel}
+          unitLabel={m.startTimeUnitLabel}
           value={typeof videoProps.startTimeSec === "number" ? videoProps.startTimeSec : 0}
           min={0}
           max={600}
@@ -295,8 +299,8 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
 
         {/* 종료 시점 (초) */}
         <NumericPropertyControl
-          label="종료 시점 (초)"
-          unitLabel="(초)"
+          label={m.endTimeLabel}
+          unitLabel={m.endTimeUnitLabel}
           value={typeof videoProps.endTimeSec === "number" ? videoProps.endTimeSec : 0}
           min={0}
           max={600}
@@ -309,10 +313,10 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
 
         {/* 화면 비율 */}
         <label className="flex flex-col gap-1">
-          <span>화면 비율</span>
+          <span>{m.aspectRatioLabel}</span>
           <select
-            className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
-            aria-label="화면 비율"
+            className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+            aria-label={m.aspectRatioAria}
             value={videoProps.aspectRatio ?? "16:9"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -339,7 +343,7 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
                 } as any)
               }
             />
-            <span className="text-[11px]">자동 재생</span>
+            <span className="text-[11px]">{m.autoplayLabel}</span>
           </label>
           <label className="flex items-center gap-1">
             <input
@@ -352,7 +356,7 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
                 } as any)
               }
             />
-            <span className="text-[11px]">반복 재생</span>
+            <span className="text-[11px]">{m.loopLabel}</span>
           </label>
           <label className="flex items-center gap-1">
             <input
@@ -365,7 +369,7 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
                 } as any)
               }
             />
-            <span className="text-[11px]">음소거</span>
+            <span className="text-[11px]">{m.mutedLabel}</span>
           </label>
           <label className="flex items-center gap-1">
             <input
@@ -378,7 +382,7 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
                 } as any)
               }
             />
-            <span className="text-[11px]">재생 컨트롤 표시</span>
+            <span className="text-[11px]">{m.controlsLabel}</span>
           </label>
         </div>
       </div>

src/app/editor/templates/blogTemplate.ts

@@ -1,12 +1,14 @@
 "use client";
 
 import type { Block, SectionBlockProps, TextBlockProps, ImageBlockProps } from "@/features/editor/state/editorStore";
+import type { EditorBlogTemplateMessages } from "@/features/i18n/messages/editorTemplates";
 
 export function createBlogTemplateBlocks(opts: {
   sectionId: string;
   createId: () => string;
+  messages: EditorBlogTemplateMessages;
 }): { blocks: Block[]; lastSelectedId: string } {
-  const { sectionId, createId } = opts;
+  const { sectionId, createId, messages } = opts;
 
   const columns: SectionBlockProps["columns"] = [
     { id: `${sectionId}_col_1`, span: 4 },
@@ -33,14 +35,8 @@ export function createBlogTemplateBlocks(opts: {
     columnId: null,
   };
 
-  const postDefinitions = [
-    { title: "블로그 포스트 1", summary: "첫 번째 포스트 요약을 여기에 입력하세요." },
-    { title: "블로그 포스트 2", summary: "두 번째 포스트 요약을 여기에 입력하세요." },
-    { title: "블로그 포스트 3", summary: "세 번째 포스트 요약을 여기에 입력하세요." },
-  ];
-
   const blogBlocks: Block[] = columns.flatMap((col, index) => {
-    const post = postDefinitions[index] ?? postDefinitions[0];
+    const post = messages.posts[index] ?? messages.posts[0];
 
     const imageId = createId();
     const titleId = createId();

src/app/editor/templates/ctaTemplate.ts

@@ -1,12 +1,14 @@
 "use client";
 
 import type { Block, SectionBlockProps, TextBlockProps, ButtonBlockProps } from "@/features/editor/state/editorStore";
+import type { EditorCtaTemplateMessages } from "@/features/i18n/messages/editorTemplates";
 
 export function createCtaTemplateBlocks(opts: {
   sectionId: string;
   createId: () => string;
+  messages: EditorCtaTemplateMessages;
 }): { blocks: Block[]; lastSelectedId: string } {
-  const { sectionId, createId } = opts;
+  const { sectionId, createId, messages } = opts;
 
   const columns: SectionBlockProps["columns"] = [
     { id: `${sectionId}_col_1`, span: 8 },
@@ -37,7 +39,7 @@ export function createCtaTemplateBlocks(opts: {
 
   const textId = createId();
   const textProps: TextBlockProps = {
-    text: "지금 바로 행동을 유도하는 CTA 텍스트를 입력하세요.\n망설이지 말고 시작하세요!",
+    text: messages.body,
     align: "left",
     size: "lg",
   } as any;
@@ -51,7 +53,7 @@ export function createCtaTemplateBlocks(opts: {
 
   const buttonId = createId();
   const buttonProps: ButtonBlockProps = {
-    label: "CTA 버튼",
+    label: messages.buttonLabel,
     href: "#",
     align: "center",
     size: "lg",

src/app/editor/templates/faqTemplate.ts

@@ -1,12 +1,14 @@
 "use client";
 
 import type { Block, SectionBlockProps, TextBlockProps } from "@/features/editor/state/editorStore";
+import type { EditorFaqTemplateMessages } from "@/features/i18n/messages/editorTemplates";
 
 export function createFaqTemplateBlocks(opts: {
   sectionId: string;
   createId: () => string;
+  messages: EditorFaqTemplateMessages;
 }): { blocks: Block[]; lastSelectedId: string } {
-  const { sectionId, createId } = opts;
+  const { sectionId, createId, messages } = opts;
 
   const columns: SectionBlockProps["columns"] = [
     { id: `${sectionId}_col_1`, span: 3 },
@@ -38,7 +40,7 @@ export function createFaqTemplateBlocks(opts: {
   // Left Column: Title
   const titleId = createId();
   const titleProps: TextBlockProps = {
-    text: "FAQ",
+    text: messages.title,
     align: "left",
     size: "xl",
     bold: true,
@@ -53,7 +55,7 @@ export function createFaqTemplateBlocks(opts: {
 
   const subTitleId = createId();
   const subTitleProps: TextBlockProps = {
-    text: "자주 묻는 질문",
+    text: messages.subtitle,
     align: "left",
     size: "sm",
     color: "muted",
@@ -68,22 +70,7 @@ export function createFaqTemplateBlocks(opts: {
 
 
   // Right Column: Q&A List
-  const faqPairs = [
-    {
-      question: "서비스 이용료는 얼마인가요?",
-      answer: "기본 기능은 무료로 제공되며, 프리미엄 기능은 월 구독료가 발생합니다.",
-    },
-    {
-      question: "환불 정책은 어떻게 되나요?",
-      answer: "결제 후 7일 이내에 사용 이력이 없는 경우 전액 환불 가능합니다.",
-    },
-    {
-      question: "팀원 초대 기능이 있나요?",
-      answer: "네, 프로 요금제 이상부터 팀원 초대가 가능합니다.",
-    },
-  ];
-
-  const faqBlocks: Block[] = faqPairs.flatMap((pair) => {
+  const faqBlocks: Block[] = messages.items.flatMap((pair) => {
     const qId = createId();
     const aId = createId();
 

src/app/editor/templates/featuresTemplate.ts

@@ -1,12 +1,14 @@
 "use client";
 
 import type { Block, SectionBlockProps, TextBlockProps } from "@/features/editor/state/editorStore";
+import type { EditorFeaturesTemplateMessages } from "@/features/i18n/messages/editorTemplates";
 
 export function createFeaturesTemplateBlocks(opts: {
   sectionId: string;
   createId: () => string;
+  messages: EditorFeaturesTemplateMessages;
 }): { blocks: Block[]; lastSelectedId: string } {
-  const { sectionId, createId } = opts;
+  const { sectionId, createId, messages } = opts;
 
   const columns = [
     { id: `${sectionId}_col_1`, span: 4 },
@@ -38,13 +40,13 @@ export function createFeaturesTemplateBlocks(opts: {
     const descId = createId();
 
     const titleProps: TextBlockProps = {
-      text: `Feature ${index + 1} 제목`,
+      text: `${messages.itemTitlePrefix} ${index + 1}${messages.itemTitleSuffix}`.trim(),
       align: "left",
       size: "lg",
     } as any;
 
     const descProps: TextBlockProps = {
-      text: "해당 기능을 간단히 설명하는 텍스트입니다.",
+      text: messages.itemDescription,
       align: "left",
       size: "sm",
     } as any;

src/app/editor/templates/footerTemplate.ts

@@ -1,12 +1,14 @@
 "use client";
 
 import type { Block, SectionBlockProps, TextBlockProps } from "@/features/editor/state/editorStore";
+import type { EditorFooterTemplateMessages } from "@/features/i18n/messages/editorTemplates";
 
 export function createFooterTemplateBlocks(opts: {
   sectionId: string;
   createId: () => string;
+  messages: EditorFooterTemplateMessages;
 }): { blocks: Block[]; lastSelectedId: string } {
-  const { sectionId, createId } = opts;
+  const { sectionId, createId, messages } = opts;
 
   const columns: SectionBlockProps["columns"] = [
     { id: `${sectionId}_col_1`, span: 4 },
@@ -54,7 +56,7 @@ export function createFooterTemplateBlocks(opts: {
 
   const descId = createId();
   const descProps: TextBlockProps = {
-    text: "더 나은 웹사이트를 위한 최고의 선택.",
+    text: messages.description,
     align: "left",
     size: "sm",
     color: "muted",
@@ -70,7 +72,7 @@ export function createFooterTemplateBlocks(opts: {
   // Col 2: Links
   const linksId = createId();
   const linksProps: TextBlockProps = {
-    text: "서비스 소개\n요금제\n고객지원\n문의하기",
+    text: messages.linksText,
     align: "center",
     size: "sm",
     color: "muted",

src/app/editor/templates/heroTemplate.ts

@@ -6,12 +6,14 @@ import type {
   TextBlockProps,
   ButtonBlockProps,
 } from "@/features/editor/state/editorStore";
+import type { EditorHeroTemplateMessages } from "@/features/i18n/messages/editorTemplates";
 
 export function createHeroTemplateBlocks(opts: {
   sectionId: string;
   createId: () => string;
+  messages: EditorHeroTemplateMessages;
 }): { blocks: Block[]; lastSelectedId: string } {
-  const { sectionId, createId } = opts;
+  const { sectionId, createId, messages } = opts;
 
   const sectionProps: SectionBlockProps = {
     background: "default",
@@ -41,7 +43,7 @@ export function createHeroTemplateBlocks(opts: {
 
   const heroHeadlineId = createId();
   const heroHeadlineProps: TextBlockProps = {
-    text: "Hero 제목을 여기에 입력하세요",
+    text: messages.headline,
     align: "center",
     size: "lg",
   } as any;
@@ -55,7 +57,7 @@ export function createHeroTemplateBlocks(opts: {
 
   const heroSubId = createId();
   const heroSubProps: TextBlockProps = {
-    text: "제품이나 서비스를 한 문장으로 설명하는 서브텍스트입니다.",
+    text: messages.subheadline,
     align: "center",
     size: "base",
   } as any;
@@ -69,7 +71,7 @@ export function createHeroTemplateBlocks(opts: {
 
   const heroButtonId = createId();
   const heroButtonProps: ButtonBlockProps = {
-    label: "지금 시작하기",
+    label: messages.primaryButtonLabel,
     href: "#",
     align: "center",
     size: "md",

src/app/editor/templates/pricingTemplate.ts

@@ -1,12 +1,14 @@
 "use client";
 
 import type { Block, SectionBlockProps, TextBlockProps, ButtonBlockProps } from "@/features/editor/state/editorStore";
+import type { EditorPricingTemplateMessages } from "@/features/i18n/messages/editorTemplates";
 
 export function createPricingTemplateBlocks(opts: {
   sectionId: string;
   createId: () => string;
+  messages: EditorPricingTemplateMessages;
 }): { blocks: Block[]; lastSelectedId: string } {
-  const { sectionId, createId } = opts;
+  const { sectionId, createId, messages } = opts;
 
   const columns: SectionBlockProps["columns"] = [
     { id: `${sectionId}_col_1`, span: 4 },
@@ -33,11 +35,7 @@ export function createPricingTemplateBlocks(opts: {
     columnId: null,
   };
 
-  const planDefinitions: Array<{ name: string; price: string; popular?: boolean }> = [
-    { name: "Basic", price: "₩9,900/월" },
-    { name: "Pro", price: "₩29,900/월", popular: true },
-    { name: "Enterprise", price: "문의" },
-  ];
+  const planDefinitions = messages.plans;
 
   const pricingBlocks: Block[] = columns.flatMap((col, index) => {
     const plan = planDefinitions[index] ?? planDefinitions[0];
@@ -96,7 +94,7 @@ export function createPricingTemplateBlocks(opts: {
     // Features list (simple text for now)
     const featuresId = createId();
     const featuresProps: TextBlockProps = {
-      text: "• 모든 기본 기능\n• 이메일 지원\n• 1GB 스토리지",
+      text: messages.featuresText,
       align: "center",
       size: "sm",
       color: "muted",
@@ -112,7 +110,7 @@ export function createPricingTemplateBlocks(opts: {
     // Button
     const buttonId = createId();
     const buttonProps: ButtonBlockProps = {
-      label: isPopular ? "시작하기" : "선택하기",
+      label: isPopular ? messages.primaryButtonLabel : messages.secondaryButtonLabel,
       href: "#",
       align: "center",
       size: "md",

src/app/editor/templates/teamTemplate.ts

@@ -1,12 +1,14 @@
 "use client";
 
 import type { Block, SectionBlockProps, TextBlockProps, ImageBlockProps } from "@/features/editor/state/editorStore";
+import type { EditorTeamTemplateMessages } from "@/features/i18n/messages/editorTemplates";
 
 export function createTeamTemplateBlocks(opts: {
   sectionId: string;
   createId: () => string;
+  messages: EditorTeamTemplateMessages;
 }): { blocks: Block[]; lastSelectedId: string } {
-  const { sectionId, createId } = opts;
+  const { sectionId, createId, messages } = opts;
 
   const columns: SectionBlockProps["columns"] = [
     { id: `${sectionId}_col_1`, span: 4 },
@@ -33,14 +35,8 @@ export function createTeamTemplateBlocks(opts: {
     columnId: null,
   };
 
-  const memberDefinitions = [
-    { name: "홍길동", role: "Product Designer", bio: "사용자 경험을 설계합니다." },
-    { name: "김영희", role: "Frontend Engineer", bio: "깔끔한 UI를 구현합니다." },
-    { name: "이철수", role: "Backend Engineer", bio: "안정적인 인프라를 책임집니다." },
-  ];
-
   const teamBlocks: Block[] = columns.flatMap((col, index) => {
-    const m = memberDefinitions[index] ?? memberDefinitions[0];
+    const m = messages.members[index] ?? messages.members[0];
 
     const imageId = createId();
     const nameId = createId();

src/app/editor/templates/testimonialsTemplate.ts

@@ -1,12 +1,14 @@
 "use client";
 
 import type { Block, SectionBlockProps, TextBlockProps } from "@/features/editor/state/editorStore";
+import type { EditorTestimonialsTemplateMessages } from "@/features/i18n/messages/editorTemplates";
 
 export function createTestimonialsTemplateBlocks(opts: {
   sectionId: string;
   createId: () => string;
+  messages: EditorTestimonialsTemplateMessages;
 }): { blocks: Block[]; lastSelectedId: string } {
-  const { sectionId, createId } = opts;
+  const { sectionId, createId, messages } = opts;
 
   const columns: SectionBlockProps["columns"] = [
     { id: `${sectionId}_col_1`, span: 4 },
@@ -33,11 +35,7 @@ export function createTestimonialsTemplateBlocks(opts: {
     columnId: null,
   };
 
-  const testimonialDefinitions: Array<{ body: string; author: string }> = [
-    { body: "이 서비스 덕분에 랜딩 페이지 제작 시간이 크게 줄었습니다.", author: "홍길동" },
-    { body: "디자인을 잘 못해도 깔끔한 페이지를 만들 수 있어요.", author: "김영희" },
-    { body: "팀 전체가 만족하는 빌더입니다.", author: "이철수" },
-  ];
+  const testimonialDefinitions = messages.items;
 
   const testimonialBlocks: Block[] = columns.flatMap((col, index) => {
     const t = testimonialDefinitions[index] ?? testimonialDefinitions[0];

src/app/layout.tsx

@@ -1,17 +1,33 @@
 import "../styles/globals.css";
 import "../styles/builder.css";
 import type { ReactNode } from "react";
+import { headers, cookies } from "next/headers";
+import { LocaleProvider } from "@/features/i18n/LocaleProvider";
+import { LocaleSwitcher } from "@/features/i18n/LocaleSwitcher";
+import { resolveLocaleFromAcceptLanguage, DEFAULT_LOCALE } from "@/features/i18n/locale";
 
 export const metadata = {
   title: "Page Builder",
   description: "No-code single page builder",
 };
 
-export default function RootLayout({ children }: { children: ReactNode }) {
+export default async function RootLayout({ children }: { children: ReactNode }) {
+  const cookieStore = await cookies();
+  const cookieLocale = cookieStore.get("pb-locale")?.value;
+
+  const headerList = await headers();
+  const acceptLanguage = headerList.get("accept-language");
+
+  const localeFromCookie = cookieLocale === "en" || cookieLocale === "ko" ? cookieLocale : null;
+  const locale = (localeFromCookie ?? resolveLocaleFromAcceptLanguage(acceptLanguage ?? undefined)) ?? DEFAULT_LOCALE;
+
   return (
-    <html lang="ko" suppressHydrationWarning>
-      <body className="min-h-screen bg-slate-950 text-slate-50">
-        {children}
+    <html lang={locale} suppressHydrationWarning>
+      <body className="min-h-screen bg-slate-50 text-slate-900 dark:bg-slate-950 dark:text-slate-50">
+        <LocaleProvider initialLocale={locale}>
+				{children}
+				<LocaleSwitcher />
+			</LocaleProvider>
       </body>
     </html>
   );

src/app/login/page.tsx

@@ -0,0 +1,161 @@
+"use client";
+
+import { FormEvent, useEffect, useState } from "react";
+import { useRouter } from "next/navigation";
+import Link from "next/link";
+import { SunMoon } from "lucide-react";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getAuthMessages } from "@/features/i18n/messages/auth";
+
+// 로그인 페이지 컴포넌트
+// - 이메일/비밀번호를 입력받아 /api/auth/login 으로 요청을 전송한다.
+// - 성공 시 /projects 로 이동하고, 실패 시 에러 메시지를 보여준다.
+
+export default function LoginPage() {
+  const router = useRouter();
+
+  const locale = useAppLocale();
+  const { login: t } = getAuthMessages(locale);
+
+  const [email, setEmail] = useState("");
+  const [password, setPassword] = useState("");
+  const [error, setError] = useState<string | null>(null);
+  const [loading, setLoading] = useState(false);
+
+  const handleToggleTheme = () => {
+    if (typeof document === "undefined") {
+      return;
+    }
+
+    const root = document.documentElement;
+    if (!root) {
+      return;
+    }
+
+    root.classList.toggle("dark");
+  };
+
+  useEffect(() => {
+    let cancelled = false;
+
+    const checkAuth = async () => {
+      try {
+        const res = await fetch("/api/auth/me");
+        if (!cancelled && res.ok) {
+          router.push("/dashboard");
+        }
+      } catch {
+        // ignore
+      }
+    };
+
+    void checkAuth();
+
+    return () => {
+      cancelled = true;
+    };
+  }, [router]);
+
+  const handleSubmit = async (e: FormEvent) => {
+    e.preventDefault();
+
+    setError(null);
+    setLoading(true);
+
+    try {
+      const res = await fetch("/api/auth/login", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ email, password }),
+      });
+
+      if (!res.ok) {
+        try {
+          const data = await res.json();
+          setError(data?.message ?? t.errorLoginFailed);
+        } catch {
+          setError(t.errorLoginFailed);
+        }
+        setLoading(false);
+        return;
+      }
+
+      // 성공 시에는 /dashboard 로 이동한다.
+      router.push("/dashboard");
+    } catch {
+      setError(t.errorNetwork);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <main className="min-h-screen flex items-center justify-center bg-slate-100 text-slate-900 dark:bg-slate-950 dark:text-slate-50">
+      <div className="w-full max-w-sm rounded-lg border border-slate-200 bg-white p-6 shadow-xl dark:border-slate-800 dark:bg-slate-900/70">
+        <div className="flex items-center justify-between mb-1">
+          <h1 className="text-lg font-semibold">{t.title}</h1>
+          <button
+            type="button"
+            className="inline-flex items-center gap-1 rounded-full border border-slate-300 bg-white/80 px-2 py-1 text-[11px] font-medium text-slate-700 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200 dark:hover:bg-slate-800"
+            onClick={handleToggleTheme}
+          >
+            <SunMoon className="w-4 h-4" aria-hidden="true" />
+            <span>{t.themeToggleLabel}</span>
+          </button>
+        </div>
+        <p className="text-xs text-slate-500 mb-4 dark:text-slate-400">{t.description}</p>
+
+        {error && <p className="mb-3 text-xs text-red-300">{error}</p>}
+
+        <form onSubmit={handleSubmit} className="space-y-3 text-xs">
+          <div className="space-y-1">
+            <label htmlFor="email" className="block text-slate-800 dark:text-slate-200">
+              {t.emailLabel}
+            </label>
+            <input
+              id="email"
+              type="email"
+              value={email}
+              onChange={(e) => setEmail(e.target.value)}
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 focus:outline-none focus:ring-1 focus:ring-sky-500 dark:border-slate-700 dark:bg-slate-950 dark:text-slate-50"
+              required
+            />
+          </div>
+
+          <div className="space-y-1">
+            <label htmlFor="password" className="block text-slate-800 dark:text-slate-200">
+              {t.passwordLabel}
+            </label>
+            <input
+              id="password"
+              type="password"
+              value={password}
+              onChange={(e) => setPassword(e.target.value)}
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 focus:outline-none focus:ring-1 focus:ring-sky-500 dark:border-slate-700 dark:bg-slate-950 dark:text-slate-50"
+              required
+              minLength={8}
+            />
+          </div>
+
+          <button
+            type="submit"
+            disabled={loading}
+            className="mt-2 w-full inline-flex items-center justify-center gap-1 rounded bg-sky-600 hover:bg-sky-500 disabled:opacity-40 disabled:cursor-not-allowed px-3 py-1 text-xs font-medium"
+          >
+            {loading ? t.submitLoading : t.submitIdle}
+          </button>
+        </form>
+
+        <p className="mt-4 text-[11px] text-slate-500 dark:text-slate-400">
+          {t.signupPromptPrefix}
+          {" "}
+          <Link href="/signup" className="text-sky-300 hover:text-sky-200 underline-offset-2 hover:underline">
+            {t.signupLinkText}
+          </Link>
+          {t.signupPromptSuffix && " "}
+          {t.signupPromptSuffix}
+        </p>
+      </div>
+    </main>
+  );
+}

src/app/mypage/page.tsx

@@ -0,0 +1,351 @@
+"use client";
+
+import Link from "next/link";
+import { useEffect, useState, FormEvent } from "react";
+import { useRouter } from "next/navigation";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getMyPageMessages } from "@/features/i18n/messages/mypage";
+
+// 마이페이지(/mypage) 화면 컴포넌트
+// - 현재 로그인 유저 정보를 /api/auth/me 에서 불러와 표시한다.
+// - 비로그인(401) 응답 시 /login 으로 리다이렉트한다.
+// - 비밀번호 변경 및 이메일 변경 폼을 통해 각각 /api/auth/change-password, /api/auth/change-email 를 호출한다.
+
+interface AuthUser {
+  id: string;
+  email: string;
+  tokenVersion?: number;
+  emailVerified?: boolean;
+}
+
+export default function MyPage() {
+  const router = useRouter();
+  const locale = useAppLocale();
+  const m = getMyPageMessages(locale);
+
+  // 현재 로그인된 유저 정보와 로딩/에러 상태를 관리한다.
+  const [user, setUser] = useState<AuthUser | null>(null);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  // 비밀번호/이메일 변경 폼 상태
+  const [currentPassword, setCurrentPassword] = useState("");
+  const [newPassword, setNewPassword] = useState("");
+  const [newPasswordConfirm, setNewPasswordConfirm] = useState("");
+  const [changePasswordMessage, setChangePasswordMessage] = useState<string | null>(null);
+
+  const [newEmail, setNewEmail] = useState("");
+  const [emailChangePassword, setEmailChangePassword] = useState("");
+  const [changeEmailMessage, setChangeEmailMessage] = useState<string | null>(null);
+
+  // 이메일 인증 메일 재발송 상태
+  const [verificationMessage, setVerificationMessage] = useState<string | null>(null);
+  const [verificationLoading, setVerificationLoading] = useState(false);
+
+  // 마운트 시 /api/auth/me 를 호출해 인증 상태와 유저 정보를 확인한다.
+  useEffect(() => {
+    let cancelled = false;
+
+    const load = async () => {
+      try {
+        setLoading(true);
+        setError(null);
+
+        const res = await fetch("/api/auth/me");
+        if (cancelled) return;
+
+        if (res.status === 401) {
+          // 비로그인 상태이므로 로그인 페이지로 보낸다.
+          router.push("/login");
+          return;
+        }
+
+        if (!res.ok) {
+          setError(m.loadError);
+          return;
+        }
+
+        const data = (await res.json()) as AuthUser;
+        setUser(data);
+      } catch {
+        if (!cancelled) {
+          setError(m.loadError);
+        }
+      } finally {
+        if (!cancelled) {
+          setLoading(false);
+        }
+      }
+    };
+
+    void load();
+
+    return () => {
+      cancelled = true;
+    };
+  }, [router]);
+
+  const handleSubmitChangePassword = async (event: FormEvent) => {
+    event.preventDefault();
+
+    setChangePasswordMessage(null);
+
+    if (!currentPassword || !newPassword || !newPasswordConfirm) {
+      setChangePasswordMessage(m.changePasswordErrorRequired);
+      return;
+    }
+
+    if (newPassword !== newPasswordConfirm) {
+      setChangePasswordMessage(m.changePasswordErrorMismatch);
+      return;
+    }
+
+    try {
+      const res = await fetch("/api/auth/change-password", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ currentPassword, newPassword }),
+      });
+
+      const data = await res.json().catch(() => null as any);
+
+      if (!res.ok) {
+        setChangePasswordMessage(data?.message || m.changePasswordErrorNetwork);
+        return;
+      }
+
+      setChangePasswordMessage(data?.message || m.changePasswordSuccess);
+      setCurrentPassword("");
+      setNewPassword("");
+      setNewPasswordConfirm("");
+    } catch {
+      setChangePasswordMessage(m.changePasswordErrorNetwork);
+    }
+  };
+
+  const handleRequestEmailVerification = async () => {
+    // 이메일 인증 메일 전송 요청 상태를 초기화한다.
+    setVerificationMessage(null);
+    setVerificationLoading(true);
+
+    try {
+      const res = await fetch("/api/auth/request-email-verification", {
+        method: "POST",
+      });
+
+      const data = await res.json().catch(() => null as any);
+
+      if (!res.ok) {
+        setVerificationMessage(data?.message || m.emailVerificationError);
+        return;
+      }
+
+      setVerificationMessage(data?.message || m.emailVerificationSuccess);
+    } catch {
+      setVerificationMessage(m.emailVerificationError);
+    } finally {
+      setVerificationLoading(false);
+    }
+  };
+
+  const handleSubmitChangeEmail = async (event: FormEvent) => {
+    event.preventDefault();
+
+    setChangeEmailMessage(null);
+
+    if (!newEmail || !emailChangePassword) {
+      setChangeEmailMessage(m.changeEmailErrorRequired);
+      return;
+    }
+
+    try {
+      const res = await fetch("/api/auth/change-email", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ newEmail, password: emailChangePassword }),
+      });
+
+      const data = await res.json().catch(() => null as any);
+
+      if (!res.ok) {
+        setChangeEmailMessage(data?.message || m.changeEmailErrorNetwork);
+        return;
+      }
+
+      setChangeEmailMessage(data?.message || m.changeEmailSuccess);
+      setNewEmail("");
+      setEmailChangePassword("");
+
+      // 응답에 새로운 이메일이 있으면 프로필에도 반영한다.
+      if (data?.email && user) {
+        setUser({ ...user, email: data.email });
+      }
+    } catch {
+      setChangeEmailMessage(m.changeEmailErrorNetwork);
+    }
+  };
+
+  return (
+    <main className="min-h-screen flex flex-col bg-slate-100 text-slate-900 dark:bg-slate-950 dark:text-slate-50">
+      <header className="border-b border-slate-200 px-6 py-4 flex items-center justify-between bg-white/80 backdrop-blur dark:border-slate-800 dark:bg-slate-950/80">
+        <div>
+          <h1 className="text-2xl font-bold tracking-tight">{m.title}</h1>
+          <p className="text-sm text-slate-500 mt-1 dark:text-slate-400">
+            {m.description}
+          </p>
+        </div>
+        <div>
+          <Link
+            href="/dashboard"
+            className="inline-flex items-center rounded-full border border-slate-300 bg-white px-3 py-1 text-xs font-medium text-slate-700 shadow-sm hover:bg-slate-50 hover:text-slate-900 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+          >
+            {m.backToDashboardLabel}
+          </Link>
+        </div>
+      </header>
+
+      <section className="flex-1 px-6 py-4 space-y-4 overflow-auto bg-slate-50/60 dark:bg-transparent">
+        {error && (
+          <p className="text-xs text-red-500 dark:text-red-300">{error}</p>
+        )}
+
+        {loading && !user && !error && (
+          <p className="text-xs text-slate-400">{m.loadingText}</p>
+        )}
+
+        {user && (
+          <div className="space-y-4 text-xs">
+            <div className="rounded-xl border border-slate-200 bg-white/80 px-4 py-3 shadow-sm dark:border-slate-800 dark:bg-slate-900/70">
+              <h2 className="text-sm font-semibold mb-2">{m.profileSectionTitle}</h2>
+              <p className="text-slate-600 dark:text-slate-300">
+                <span className="font-medium">{m.profileEmailLabel}</span> {user.email}
+              </p>
+              <p className="text-slate-600 dark:text-slate-300 mt-1">
+                <span className="font-medium">{m.profileUserIdLabel}</span> {user.id}
+              </p>
+              {user.emailVerified && (
+                <p className="mt-2 text-[11px] font-medium text-emerald-600 dark:text-emerald-300">
+                  {m.emailVerifiedBadge}
+                </p>
+              )}
+              {!user.emailVerified && (
+                <>
+                  <p className="text-slate-600 dark:text-slate-300 mt-2">
+                    {m.emailVerificationNotice}
+                  </p>
+                  <button
+                    type="button"
+                    className="mt-2 inline-flex items-center justify-center rounded border border-sky-600 bg-sky-50 px-3 py-1 text-[11px] font-medium text-sky-700 hover:bg-sky-100 disabled:opacity-50 disabled:cursor-not-allowed dark:border-sky-500 dark:bg-sky-900/40 dark:text-sky-200 dark:hover:bg-sky-900"
+                    onClick={() => {
+                      void handleRequestEmailVerification();
+                    }}
+                    disabled={verificationLoading}
+                  >
+                    {m.emailVerificationButtonLabel}
+                  </button>
+                  {verificationMessage && (
+                    <p className="mt-2 text-[11px] text-slate-600 dark:text-slate-300">
+                      {verificationMessage}
+                    </p>
+                  )}
+                </>
+              )}
+            </div>
+
+            <div className="rounded-xl border border-slate-200 bg-white/80 px-4 py-3 shadow-sm dark:border-slate-800 dark:bg-slate-900/70">
+              <h2 className="text-sm font-semibold mb-2">{m.changePasswordTitle}</h2>
+              <form onSubmit={handleSubmitChangePassword} className="space-y-2">
+                <div className="space-y-1">
+                  <label className="block text-slate-700 dark:text-slate-200">
+                    {m.changePasswordCurrentLabel}
+                  </label>
+                  <input
+                    type="password"
+                    value={currentPassword}
+                    onChange={(e) => setCurrentPassword(e.target.value)}
+                    className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 focus:outline-none focus:ring-1 focus:ring-sky-500 dark:border-slate-700 dark:bg-slate-950 dark:text-slate-50"
+                  />
+                </div>
+                <div className="space-y-1">
+                  <label className="block text-slate-700 dark:text-slate-200">
+                    {m.changePasswordNewLabel}
+                  </label>
+                  <input
+                    type="password"
+                    value={newPassword}
+                    onChange={(e) => setNewPassword(e.target.value)}
+                    className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 focus:outline-none focus:ring-1 focus:ring-sky-500 dark:border-slate-700 dark:bg-slate-950 dark:text-slate-50"
+                    minLength={8}
+                  />
+                </div>
+                <div className="space-y-1">
+                  <label className="block text-slate-700 dark:text-slate-200">
+                    {m.changePasswordConfirmLabel}
+                  </label>
+                  <input
+                    type="password"
+                    value={newPasswordConfirm}
+                    onChange={(e) => setNewPasswordConfirm(e.target.value)}
+                    className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 focus:outline-none focus:ring-1 focus:ring-sky-500 dark:border-slate-700 dark:bg-slate-950 dark:text-slate-50"
+                    minLength={8}
+                  />
+                </div>
+                <button
+                  type="submit"
+                  className="mt-1 inline-flex items-center justify-center rounded bg-sky-600 hover:bg-sky-500 px-3 py-1 text-xs font-medium text-white"
+                >
+                  {m.changePasswordSubmitLabel}
+                </button>
+                {changePasswordMessage && (
+                  <p className="mt-2 text-[11px] text-slate-600 dark:text-slate-300">
+                    {changePasswordMessage}
+                  </p>
+                )}
+              </form>
+            </div>
+
+            <div className="rounded-xl border border-slate-200 bg-white/80 px-4 py-3 shadow-sm dark:border-slate-800 dark:bg-slate-900/70">
+              <h2 className="text-sm font-semibold mb-2">{m.changeEmailTitle}</h2>
+              <form onSubmit={handleSubmitChangeEmail} className="space-y-2">
+                <div className="space-y-1">
+                  <label className="block text-slate-700 dark:text-slate-200">
+                    {m.changeEmailNewLabel}
+                  </label>
+                  <input
+                    type="email"
+                    value={newEmail}
+                    onChange={(e) => setNewEmail(e.target.value)}
+                    className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 focus:outline-none focus:ring-1 focus:ring-sky-500 dark:border-slate-700 dark:bg-slate-950 dark:text-slate-50"
+                  />
+                </div>
+                <div className="space-y-1">
+                  <label className="block text-slate-700 dark:text-slate-200">
+                    Current password
+                  </label>
+                  <input
+                    type="password"
+                    value={emailChangePassword}
+                    onChange={(e) => setEmailChangePassword(e.target.value)}
+                    className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 focus:outline-none focus:ring-1 focus:ring-sky-500 dark:border-slate-700 dark:bg-slate-950 dark:text-slate-50"
+                    minLength={8}
+                  />
+                </div>
+                <button
+                  type="submit"
+                  className="mt-1 inline-flex items-center justify-center rounded bg-sky-600 hover:bg-sky-500 px-3 py-1 text-xs font-medium text-white"
+                >
+                  {m.changeEmailSubmitLabel}
+                </button>
+                {changeEmailMessage && (
+                  <p className="mt-2 text-[11px] text-slate-600 dark:text-slate-300">
+                    {changeEmailMessage}
+                  </p>
+                )}
+              </form>
+            </div>
+          </div>
+        )}
+      </section>
+    </main>
+  );
+}

src/app/p/[slug]/PublicProjectPageClient.tsx

@@ -0,0 +1,120 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { getPublicPageRendererMessages } from "@/features/i18n/messages/publicPageRenderer";
+
+interface PublicProjectPageClientProps {
+  html: string;
+  canSubmit?: boolean;
+}
+
+export default function PublicProjectPageClient({ html, canSubmit = true }: PublicProjectPageClientProps) {
+  const m = getPublicPageRendererMessages(null);
+  const [toastMessage, setToastMessage] = useState<string | null>(null);
+
+  useEffect(() => {
+    if (typeof document === "undefined" || typeof window === "undefined") return;
+
+    let toastTimeout: number | null = null;
+
+    const showToast = (message: string) => {
+      setToastMessage(message);
+      if (toastTimeout !== null) {
+        window.clearTimeout(toastTimeout);
+      }
+      toastTimeout = window.setTimeout(() => {
+        setToastMessage(null);
+      }, 4000);
+    };
+
+    const forms = document.querySelectorAll<HTMLFormElement>(
+      'form.pb-form-controller, form[action="/api/forms/submit"]',
+    );
+    if (!forms || forms.length === 0) return;
+
+    forms.forEach((form) => {
+      if (form.dataset.pbInitialized === "1") return;
+      form.dataset.pbInitialized = "1";
+
+      form.addEventListener("submit", (event) => {
+        if (!form) return;
+        if (event && typeof event.preventDefault === "function") {
+          event.preventDefault();
+        }
+
+        const formData = new FormData(form);
+        const configInput = form.querySelector<HTMLInputElement>('input[name="__config"]');
+        let config: any = null;
+        if (configInput && configInput.value) {
+          try {
+            config = JSON.parse(configInput.value);
+          } catch {
+            config = null;
+          }
+        }
+
+        if (!canSubmit) {
+          const errorMsg = (config && config.errorMessage) || m.submitErrorDefault;
+          showToast(errorMsg);
+          return;
+        }
+
+        const action = form.getAttribute("action") || "/api/forms/submit";
+
+        fetch(action, { method: "POST", body: formData })
+          .then((res) => res.json().catch(() => ({})))
+          .then((data: any) => {
+            const ok = data && data.ok;
+            const message = data && data.message;
+            if (ok) {
+              const success = message || (config && config.successMessage) || m.submitSuccessDefault;
+              showToast(success);
+              try {
+                form.reset();
+              } catch {}
+            } else {
+              const errorMsg = message || (config && config.errorMessage) || m.submitErrorDefault;
+              showToast(errorMsg);
+            }
+          })
+          .catch(() => {
+            const errorMsg = (config && config.errorMessage) || m.submitErrorDefault;
+            showToast(errorMsg);
+          });
+      });
+    });
+
+    return () => {
+      if (toastTimeout !== null) {
+        window.clearTimeout(toastTimeout);
+      }
+    };
+  }, []);
+
+  return (
+    <>
+      <div dangerouslySetInnerHTML={{ __html: html }} />
+      {toastMessage ? (
+        <div
+          style={{
+            position: "fixed",
+            right: "16px",
+            bottom: "16px",
+            zIndex: 50,
+            maxWidth: "320px",
+            padding: "12px 16px",
+            borderRadius: "8px",
+            backgroundColor: "rgba(15, 23, 42, 0.95)",
+            color: "#e5e7eb",
+            fontSize: "14px",
+            lineHeight: "1.4",
+            boxShadow: "0 10px 25px rgba(15, 23, 42, 0.6)",
+            pointerEvents: "none",
+          }}
+        >
+          {toastMessage}
+        </div>
+      ) : null}
+    </>
+  );
+}

src/app/p/[slug]/page.tsx

@@ -0,0 +1,228 @@
+import { notFound } from "next/navigation";
+import type { Metadata } from "next";
+import { PrismaClient } from "@prisma/client";
+
+import type { Block, ProjectConfig } from "@/features/editor/state/editorStore";
+import { buildStaticHtml } from "@/features/export/buildStaticHtml";
+import { getCachedPublicProject, parseProjectContentJson } from "@/features/projects/publicCache";
+import PublicProjectPageClient from "./PublicProjectPageClient";
+
+const prisma = new PrismaClient();
+
+interface PageParams {
+  // Next.js App Router 에서는 params 가 Promise 로 전달되므로
+  // 서버 컴포넌트에서 사용하기 전에 await 로 한 번 풀어줘야 한다.
+  params: Promise<{ slug: string }>;
+}
+
+async function resolveSlugParam(rawParams: { slug: string } | Promise<{ slug: string }>): Promise<string> {
+	const resolved = await rawParams;
+	const slugRaw = resolved?.slug ?? "";
+	return slugRaw.toString().trim();
+}
+
+export async function generateMetadata(
+	props:
+		| { params: { slug: string } }
+		| {
+			params: Promise<{ slug: string }>;
+		},
+): Promise<Metadata> {
+	const slug = await resolveSlugParam((props as any).params);
+	if (!slug) {
+		return {};
+	}
+
+	const cached = getCachedPublicProject(slug);
+
+	let status: string | null = null;
+	let projectConfigFromContent: ProjectConfig | null = null;
+	let fallbackTitle: string | null = null;
+
+	if (cached) {
+		status = (cached as any).status ?? null;
+		projectConfigFromContent = (cached as any).projectConfig ?? null;
+		fallbackTitle = cached.title ?? null;
+	} else {
+		const project = await prisma.project.findUnique({
+			where: { slug },
+			select: {
+				title: true,
+				status: true,
+				contentJson: true,
+			},
+		});
+
+		if (!project) {
+			return {};
+		}
+
+		status = (project as any).status ?? null;
+		const { projectConfig } = parseProjectContentJson((project as any).contentJson);
+		projectConfigFromContent = projectConfig;
+		fallbackTitle = project.title ?? null;
+	}
+
+	if (status === "DRAFT") {
+		// DRAFT 프로젝트는 404 처리되므로 별도의 메타데이터를 노출하지 않는다.
+		return {};
+	}
+
+	const baseConfig: ProjectConfig = {
+		...(projectConfigFromContent ?? {}),
+		title: (projectConfigFromContent?.title ?? fallbackTitle ?? slug) as any,
+		slug,
+	} as ProjectConfig;
+
+	const baseTitleRaw = (baseConfig.title ?? "").trim() || "Page Builder";
+	const seoTitleRaw = (baseConfig as any).seoTitle
+		? String((baseConfig as any).seoTitle).trim()
+		: "";
+	const pageTitle = seoTitleRaw || baseTitleRaw;
+
+	const seoDescriptionRaw = (baseConfig as any).seoDescription
+		? String((baseConfig as any).seoDescription).trim()
+		: "";
+	const seoCanonicalRaw = (baseConfig as any).seoCanonicalUrl
+		? String((baseConfig as any).seoCanonicalUrl).trim()
+		: "";
+	const seoOgImageRaw = (baseConfig as any).seoOgImageUrl
+		? String((baseConfig as any).seoOgImageUrl).trim()
+		: "";
+	const seoNoIndex = Boolean((baseConfig as any).seoNoIndex);
+
+	const description = seoDescriptionRaw || undefined;
+	const ogUrl = seoCanonicalRaw || undefined;
+	const ogImage = seoOgImageRaw || undefined;
+
+	const metadata: Metadata = {
+		title: pageTitle,
+		description,
+		openGraph: {
+			title: pageTitle,
+			description,
+			type: "website",
+			url: ogUrl,
+			images: ogImage ? [ogImage] : undefined,
+		},
+		twitter: {
+			card: "summary_large_image",
+			title: pageTitle,
+			description,
+			images: ogImage ? [ogImage] : undefined,
+		},
+		robots: seoNoIndex
+			? {
+					index: false,
+					follow: false,
+			  }
+			: undefined,
+	};
+
+	return metadata;
+}
+
+// /p/[slug] 공개 페이지
+// - slug 에 해당하는 Project 의 contentJson 을 불러와 buildStaticHtml 로 정적 HTML 을 생성한다.
+// - Export ZIP 에 포함되는 index.html 과 동일한 app-root DOM 구조를 사용해 렌더링한다.
+// - 인증 없이 접근 가능하며, 폼 제출은 /api/forms/submit 을 통해 정적 Export 와 동일하게 동작한다.
+export default async function PublicProjectPage({ params }: PageParams) {
+  // Next 가 넘겨주는 params 는 Promise 이므로, 먼저 await 해서 slug 를 꺼낸다.
+  const resolvedParams = await params;
+  const slugRaw = resolvedParams.slug ?? "";
+  const slug = slugRaw.toString().trim();
+
+  if (!slug) {
+    notFound();
+  }
+
+  // 1차로 메모리 기반 퍼블릭 캐시에서 스냅샷을 조회한다.
+  const cached = getCachedPublicProject(slug);
+
+  let blocks: Block[];
+  let title: string;
+  let status: string | null = null;
+  let projectConfigFromContent: ProjectConfig | null = null;
+
+  if (cached) {
+    blocks = cached.blocks ?? [];
+    title = cached.title ?? "";
+    status = (cached as any).status ?? null;
+    projectConfigFromContent = (cached as any).projectConfig ?? null;
+  } else {
+    const project = await prisma.project.findUnique({
+      where: { slug },
+      select: {
+        title: true,
+        slug: true,
+        status: true,
+        contentJson: true,
+      },
+    });
+
+    if (!project) {
+      notFound();
+    }
+
+    const { blocks: parsedBlocks, projectConfig } = parseProjectContentJson(
+      (project as any).contentJson,
+    );
+    blocks = parsedBlocks;
+    title = project.title;
+    status = (project as any).status ?? null;
+    projectConfigFromContent = projectConfig;
+  }
+
+  if (status === "DRAFT") {
+    notFound();
+  }
+
+  // Export index.html 과 동일한 규칙으로 ProjectConfig 를 구성한다.
+  const baseConfig: ProjectConfig = {
+    ...(projectConfigFromContent ?? {}),
+    title,
+    slug,
+  } as ProjectConfig;
+
+  if (!baseConfig.canvasPreset) {
+    baseConfig.canvasPreset = "full" as ProjectConfig["canvasPreset"];
+  }
+  if (!baseConfig.canvasBgColorHex) {
+    baseConfig.canvasBgColorHex = "#020617";
+  }
+  if (!baseConfig.bodyBgColorHex) {
+    baseConfig.bodyBgColorHex = "#020617";
+  }
+
+  const projectConfig: ProjectConfig = baseConfig;
+
+  const canSubmit = status === "ARCHIVED" ? false : true;
+
+  const fullHtml = buildStaticHtml(blocks, projectConfig);
+
+  // buildStaticHtml 이 생성한 index.html 에서 <main> ... </main> 블록만 추출해 렌더링한다.
+  // 이렇게 하면 Export index.html 과 동일한 main/app-root DOM 구조를 재사용할 수 있다.
+  const mainMatch = fullHtml.match(/<main[\s\S]*?<\/main>/);
+  const mainHtml = mainMatch ? mainMatch[0] : "";
+
+  return (
+		<>
+			{(projectConfig as any).headHtml ? (
+				<div
+					// headHtml 은 meta/script 태그 등을 포함하는 임의의 HTML 조각으로 가정하고,
+					// SSR 시 그대로 문서에 포함되도록 body 안에 삽입한다.
+					dangerouslySetInnerHTML={{ __html: String((projectConfig as any).headHtml) }}
+				/>
+			) : null}
+			{(projectConfig as any).trackingScript ? (
+				<div
+					// trackingScript 는 HTML 문자열(일반적으로 <script>...</script>) 이므로 그대로 삽입한다.
+					dangerouslySetInnerHTML={{
+						__html: String((projectConfig as any).trackingScript),
+					}}
+				/>
+			) : null}
+			<PublicProjectPageClient html={mainHtml} canSubmit={canSubmit} />
+		</>
+	);
+}

src/app/page.tsx

@@ -1,12 +1,19 @@
+"use client";
+
+import { useEffect } from "react";
+import { useRouter } from "next/navigation";
+
 export default function HomePage() {
+  const router = useRouter();
+
+  useEffect(() => {
+    // 메인 페이지 진입 시 대시보드로 안내한다.
+    router.push("/dashboard");
+  }, [router]);
+
   return (
-    <main className="flex min-h-screen items-center justify-center">
-      <div className="text-center space-y-4">
-        <h1 className="text-3xl font-bold">Page Builder MVP</h1>
-        <p className="text-sm text-slate-400">
-          에디터와 블록 시스템을 이 위에서 TDD로 구현합니다.
-        </p>
-      </div>
+    <main className="flex min-h-screen items-center justify-center bg-slate-100 text-slate-900 dark:bg-slate-950 dark:text-slate-50">
+      <p className="text-sm text-slate-500 dark:text-slate-400">대시보드로 이동 중입니다...</p>
     </main>
   );
 }

src/app/preview/layout.tsx

@@ -0,0 +1,8 @@
+import type { ReactNode } from "react";
+import "../../styles/editor.css";
+
+export default function PreviewLayout({ children }: { children: ReactNode }) {
+  // 프리뷰 화면에서도 에디터 크롬과 동일한 전용 스타일(editor.css)을 사용한다.
+  // 콘텐츠 블록 자체의 모양은 builder.css(pb-*) 기준으로 렌더된다.
+  return children;
+}

src/app/preview/page.tsx

@@ -1,27 +1,156 @@
 "use client";
 
 import type { CSSProperties } from "react";
+import { useEffect } from "react";
 import Link from "next/link";
+import { useRouter } from "next/navigation";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getPreviewMessages } from "@/features/i18n/messages/preview";
 import { useEditorStore } from "@/features/editor/state/editorStore";
 import { PublicPageRenderer } from "@/features/editor/components/PublicPageRenderer";
 
 export default function PreviewPage() {
+  const router = useRouter();
+  const locale = useAppLocale();
+  const m = getPreviewMessages(locale);
   const blocks = useEditorStore((state) => state.blocks);
   const projectConfig = useEditorStore((state) => (state as any).projectConfig);
+  const replaceBlocks = useEditorStore((state) => state.replaceBlocks);
+  const updateProjectConfig = useEditorStore((state) => state.updateProjectConfig);
+  const resetHistory = useEditorStore((state) => (state as any).resetHistory as () => void);
+
+  useEffect(() => {
+    let cancelled = false;
+
+    const checkAuth = async () => {
+      try {
+        const res = await fetch("/api/auth/me");
+        if (!res.ok && res.status === 401 && !cancelled) {
+          router.push("/login");
+        }
+      } catch {
+        // 네트워크 오류 등은 일단 무시하고, 페이지 접근을 막지 않는다.
+      }
+    };
+
+    void checkAuth();
+
+    return () => {
+      cancelled = true;
+    };
+  }, [router]);
+
+  useEffect(() => {
+    if (typeof window === "undefined") return;
+    if ((window as any).__PB_DISABLE_AUTOSAVE) return;
+
+    const configSlugRaw = (projectConfig as any)?.slug?.trim?.();
+    const configSlug =
+      typeof configSlugRaw === "string" && configSlugRaw.length > 0 ? configSlugRaw : "";
+
+    let querySlug = "";
+    try {
+      const url = new URL(window.location.href);
+      const fromQuery = url.searchParams.get("slug")?.trim();
+
+      if (fromQuery) {
+        querySlug = fromQuery;
+      }
+    } catch {
+      // URL 파싱 오류는 무시하고, autosave 복원 없이 진행한다.
+    }
+
+    const effectiveSlug = querySlug || configSlug;
+    if (!effectiveSlug) return;
+
+    const key = `pb:autosave:${effectiveSlug}`;
+    const raw = window.localStorage.getItem(key);
+
+    if (!raw) {
+      // autosave 스냅샷이 없을 때만 URL 쿼리 슬러그를 projectConfig.slug 에 동기화한다.
+      if (querySlug && querySlug !== configSlug) {
+        updateProjectConfig({ slug: querySlug } as any);
+      }
+      return;
+    }
+
+    try {
+      const parsed = JSON.parse(raw) as { blocks?: any[]; projectConfig?: any };
+      if (Array.isArray(parsed.blocks)) {
+        replaceBlocks(parsed.blocks as any);
+      }
+      if (parsed.projectConfig) {
+        updateProjectConfig(parsed.projectConfig as any);
+      } else if (querySlug && querySlug !== configSlug) {
+        // 스냅샷에 projectConfig 가 없을 때만 쿼리 슬러그를 반영한다.
+        updateProjectConfig({ slug: querySlug } as any);
+      }
+
+      // 프리뷰 진입 시 autosave 프로젝트를 복원하는 경우에도 에디터 히스토리는 새 프로젝트 기준으로만 유지되도록 초기화한다.
+      resetHistory();
+    } catch {
+      return;
+    }
+  }, [projectConfig?.slug, replaceBlocks, updateProjectConfig]);
 
   const canvasStyle: CSSProperties = {};
   const preset = projectConfig?.canvasPreset ?? "full";
 
-   const mainStyle: CSSProperties = {};
-   if (projectConfig?.bodyBgColorHex && projectConfig.bodyBgColorHex.trim()) {
-     mainStyle.backgroundColor = projectConfig.bodyBgColorHex;
-   }
+  const mainStyle: CSSProperties = {};
+  {
+    const raw = typeof projectConfig?.bodyBgColorHex === "string" ? projectConfig.bodyBgColorHex.trim() : "";
+    if (raw) {
+      mainStyle.backgroundColor = raw;
+    }
+  }
+
+  const handleExportZip = async () => {
+    try {
+      const payload = {
+        blocks,
+        projectConfig,
+      };
+
+      const response = await fetch("/api/export", {
+        method: "POST",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify(payload),
+      });
+
+      if (!response.ok) {
+        return;
+      }
+
+      const blob = await response.blob();
+      const url = URL.createObjectURL(blob);
+      const slug = (projectConfig?.slug ?? "").trim() || "page-builder-export";
+
+      const link = document.createElement("a");
+      link.href = url;
+      link.download = `${slug}.zip`;
+      document.body.appendChild(link);
+      link.click();
+      document.body.removeChild(link);
+      URL.revokeObjectURL(url);
+    } catch (error) {
+      console.error("프리뷰 ZIP 내보내기 중 오류", error);
+    }
+  };
 
   const widthPx =
     typeof projectConfig?.canvasWidthPx === "number" && projectConfig.canvasWidthPx > 0
       ? projectConfig.canvasWidthPx
       : null;
 
+  const projectSlugRaw = (projectConfig as any)?.slug?.trim?.();
+  const projectSlug =
+    typeof projectSlugRaw === "string" && projectSlugRaw.length > 0 ? projectSlugRaw : "";
+  const editorHref = projectSlug
+    ? `/editor?slug=${encodeURIComponent(projectSlug)}`
+    : "/editor";
+
   if (widthPx != null) {
     canvasStyle.maxWidth = `${widthPx}px`;
   } else if (preset === "mobile") {
@@ -37,18 +166,35 @@ export default function PreviewPage() {
   }
 
   return (
-    <main className="min-h-screen flex flex-col bg-slate-950 text-slate-50" style={mainStyle}>
-      <header className="border-b border-slate-800 px-6 py-4 flex items-center justify-between">
+    <main className="min-h-screen flex flex-col" style={mainStyle}>
+      <header className="border-b border-slate-200 px-6 py-4 flex items-center justify-between bg-white/80 backdrop-blur dark:border-slate-800 dark:bg-slate-950/80">
         <div>
-          <h1 className="text-xl font-semibold">Page Preview</h1>
-          <p className="text-xs text-slate-400">빌더로 만든 페이지를 미리 보는 화면</p>
+          <h1 className="text-xl font-semibold">{m.headerTitle}</h1>
+          <p className="text-xs text-slate-500 dark:text-slate-400">{m.headerDescription}</p>
+        </div>
+        <div className="flex items-center gap-2 text-xs">
+          <button
+            type="button"
+            className="inline-flex items-center rounded border border-slate-300 bg-white px-3 py-1 text-slate-800 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+            onClick={() => {
+              void handleExportZip();
+            }}
+          >
+            {m.exportZipButtonLabel}
+          </button>
+          <Link
+            href="/projects"
+            className="inline-flex items-center rounded border border-slate-300 bg-white px-3 py-1 text-xs text-slate-800 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+          >
+            {m.navProjects}
+          </Link>
+          <Link
+            href={editorHref}
+            className="inline-flex items-center rounded border border-slate-300 bg-white px-3 py-1 text-xs text-slate-800 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
+          >
+            {m.navBackToEditor}
+          </Link>
         </div>
-        <Link
-          href="/editor"
-          className="inline-flex items-center rounded border border-slate-700 bg-slate-900 px-3 py-1 text-xs text-slate-100 hover:bg-slate-800"
-        >
-          에디터로 돌아가기
-        </Link>
       </header>
       {/* 에디터 크롬 없이 순수 페이지 형태로 블록들을 렌더링하되, projectConfig 에 따라 최대 폭을 제한한다. */}
       <section className="flex flex-1 overflow-auto">
@@ -58,7 +204,10 @@ export default function PreviewPage() {
             className="w-full"
             style={canvasStyle}
           >
-            <PublicPageRenderer blocks={blocks} />
+            <PublicPageRenderer
+              blocks={blocks}
+              projectSlug={(projectConfig?.slug ?? "").trim() || undefined}
+            />
           </div>
         </div>
       </section>

src/app/projects/[slug]/submissions/page.tsx

@@ -0,0 +1,274 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import Link from "next/link";
+import { useRouter, useParams } from "next/navigation";
+import { FolderKanban, LayoutDashboard, ListChecks, SunMoon } from "lucide-react";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getDashboardMessages } from "@/features/i18n/messages/dashboard";
+import { getSubmissionsMessages } from "@/features/i18n/messages/submissions";
+
+// 프로젝트별 폼 제출 내역을 조회해서 보여주는 페이지 컴포넌트.
+// - URL 의 slug 파라미터를 기준으로 /api/projects/[slug]/submissions 에 요청을 보낸다.
+// - 401 이면 로그인 페이지로 이동시키고, 404/500 계열 에러는 한국어 에러 메시지로 안내한다.
+// - 응답 payload 의 name/email/phone/birthdate 는 개별 컬럼으로, 나머지는 "기타 필드" 텍스트로 렌더링한다.
+
+interface SubmissionItem {
+  id: string;
+  createdAt: string;
+  projectSlug: string;
+  // 서버에서 복호화된 폼 필드 전체가 payload 로 내려온다.
+  payload: Record<string, unknown>;
+}
+
+type PageStatus = "idle" | "loading" | "error";
+
+export default function ProjectSubmissionsPage() {
+  const router = useRouter();
+  const params = useParams() as { slug?: string } | null;
+  const slug = (params?.slug ?? "").toString();
+
+  const locale = useAppLocale();
+  const t = getDashboardMessages(locale);
+  const m = getSubmissionsMessages(locale);
+
+  const [submissions, setSubmissions] = useState<SubmissionItem[]>([]);
+  const [status, setStatus] = useState<PageStatus>("idle");
+  const [errorMessage, setErrorMessage] = useState<string | null>(null);
+  const [isMenuOpen, setIsMenuOpen] = useState(false);
+
+  // 마운트 시 현재 slug 기준으로 폼 제출 내역을 불러온다.
+  useEffect(() => {
+    if (!slug) return;
+
+    let cancelled = false;
+
+    const load = async () => {
+      try {
+        setStatus("loading");
+        setErrorMessage(null);
+
+        const res = await fetch(`/api/projects/${encodeURIComponent(slug)}/submissions`);
+
+        if (!res.ok) {
+          if (cancelled) return;
+
+          if (res.status === 401) {
+            setStatus("error");
+            setErrorMessage(m.errorUnauthorized);
+            router.push("/login");
+            return;
+          }
+
+          if (res.status === 404) {
+            setStatus("error");
+            setErrorMessage(m.errorGeneric);
+            return;
+          }
+
+          setStatus("error");
+          setErrorMessage(m.errorGeneric);
+          return;
+        }
+
+        const data = (await res.json()) as SubmissionItem[];
+
+        if (!cancelled) {
+          setSubmissions(Array.isArray(data) ? data : []);
+          setStatus("idle");
+          setErrorMessage(null);
+        }
+      } catch {
+        if (!cancelled) {
+          setStatus("error");
+          setErrorMessage(m.errorGeneric);
+        }
+      }
+    };
+
+    void load();
+
+    return () => {
+      cancelled = true;
+    };
+  }, [slug]);
+
+  // payload 에서 name/email/phone/birthdate 를 제외한 나머지 필드를 "기타" 영역으로 모아 보여준다.
+  const renderOtherFields = (payload: Record<string, unknown>): string => {
+    const knownKeys = new Set(["name", "email", "phone", "birthdate"]);
+    const entries = Object.entries(payload).filter(([key]) => !knownKeys.has(key));
+
+    if (entries.length === 0) {
+      return "-";
+    }
+
+    return entries
+      .map(([key, value]) => {
+        const stringValue = typeof value === "string" ? value : JSON.stringify(value);
+        return `${key}: ${stringValue}`;
+      })
+      .join("\n");
+  };
+
+  const handleLogout = async () => {
+    try {
+      const res = await fetch("/api/auth/logout", {
+        method: "POST",
+      });
+
+      if (!res.ok) {
+        setErrorMessage(m.errorLogout);
+        return;
+      }
+
+      router.push("/login");
+    } catch {
+      setErrorMessage(m.errorLogout);
+    }
+  };
+
+  const handleToggleTheme = () => {
+    if (typeof document === "undefined") {
+      return;
+    }
+
+    const root = document.documentElement;
+    if (!root) {
+      return;
+    }
+
+    root.classList.toggle("dark");
+  };
+
+  return (
+    <main className="min-h-screen flex flex-col bg-slate-100 text-slate-900 dark:bg-slate-950 dark:text-slate-50">
+      <header className="border-b border-slate-200 px-6 py-4 flex items-center justify-between bg-white/80 backdrop-blur dark:border-slate-800 dark:bg-slate-950/80">
+        <div>
+          <h1 className="text-2xl font-bold tracking-tight">{m.headerTitle}</h1>
+          <p className="text-xs text-slate-500 dark:text-slate-400">{m.headerDescription}</p>
+          <p className="mt-1 text-[11px] font-mono text-slate-500 dark:text-slate-400">{slug}</p>
+        </div>
+        <div className="flex items-center gap-3 text-sm">
+          <nav className="inline-flex items-center gap-1 rounded-full border border-slate-200 bg-white/80 px-1.5 py-1 shadow-sm dark:border-slate-700 dark:bg-slate-900/80">
+            <Link
+              href="/dashboard"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-slate-700 hover:bg-slate-100 hover:text-sky-700 dark:text-slate-200 dark:hover:bg-slate-800 dark:hover:text-sky-200"
+            >
+              <LayoutDashboard className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navDashboard}</span>
+            </Link>
+            <Link
+              href="/projects"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-slate-700 hover:bg-slate-100 hover:text-sky-700 dark:text-slate-200 dark:hover:bg-slate-800 dark:hover:text-sky-200"
+            >
+              <FolderKanban className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navProjects}</span>
+            </Link>
+            <Link
+              href="/projects/submissions"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-emerald-700 hover:bg-emerald-50 hover:text-emerald-800 dark:text-emerald-200 dark:hover:bg-emerald-900/60 dark:hover:text-emerald-100"
+            >
+              <ListChecks className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navSubmissions}</span>
+            </Link>
+          </nav>
+          <button
+            type="button"
+            className="inline-flex items-center gap-1 rounded-full border border-slate-300 bg-white/80 px-3 py-1.5 text-xs font-medium text-slate-700 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200 dark:hover:bg-slate-800"
+            onClick={handleToggleTheme}
+          >
+            <SunMoon className="w-4 h-4" aria-hidden="true" />
+            <span>{t.themeToggleLabel}</span>
+          </button>
+          <div className="relative">
+            <button
+              type="button"
+              className="inline-flex items-center gap-1 rounded-full border border-slate-300 bg-white/80 px-3 py-1.5 text-xs font-medium text-slate-700 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200 dark:hover:bg-slate-800"
+              onClick={() => {
+                setIsMenuOpen((prev) => !prev);
+              }}
+            >
+              {t.menuLabel}
+            </button>
+            {isMenuOpen && (
+              <div className="absolute right-0 mt-1 w-32 rounded border border-slate-200 bg-white shadow-lg z-20 dark:border-slate-700 dark:bg-slate-900/95">
+                <button
+                  type="button"
+                  className="w-full px-3 py-2 text-left text-xs text-slate-700 hover:bg-slate-100 dark:text-slate-200 dark:hover:bg-slate-800"
+                  onClick={() => {
+                    setIsMenuOpen(false);
+                    void handleLogout();
+                  }}
+                >
+                  {t.logoutLabel}
+                </button>
+              </div>
+            )}
+          </div>
+        </div>
+      </header>
+
+      <section className="flex-1 px-6 py-4 overflow-auto bg-slate-50/60 dark:bg-transparent">
+        {status === "error" && errorMessage && (
+          <p className="text-xs text-red-500 mb-3 dark:text-red-300">{errorMessage}</p>
+        )}
+
+        {status === "loading" && (
+          <p className="text-xs text-slate-500 mb-3 dark:text-slate-400">{m.loadingText}</p>
+        )}
+
+        {submissions.length === 0 && status === "idle" && !errorMessage && (
+          <p className="text-xs text-slate-500 dark:text-slate-400">{m.emptyText}</p>
+        )}
+
+        {submissions.length > 0 && (
+          <table className="w-full text-xs text-left border-collapse mt-2">
+            <thead>
+              <tr className="border-b border-slate-200 text-slate-600 dark:border-slate-800 dark:text-slate-400">
+                <th className="py-2 pr-4">{m.tableHeaderCreatedAt}</th>
+                <th className="py-2 pr-4">{m.tableHeaderName}</th>
+                <th className="py-2 pr-4">{m.tableHeaderEmail}</th>
+                <th className="py-2 pr-4">{m.tableHeaderPhone}</th>
+                <th className="py-2 pr-4">{m.tableHeaderBirthdate}</th>
+                <th className="py-2 pr-4">{m.tableHeaderOtherFields}</th>
+              </tr>
+            </thead>
+            <tbody>
+              {submissions.map((item) => {
+                const payload = (item.payload ?? {}) as Record<string, unknown>;
+
+                const nameValue = payload["name"];
+                const emailValue = payload["email"];
+                const phoneValue = payload["phone"];
+                const birthdateValue = payload["birthdate"];
+
+                const name = typeof nameValue === "string" ? nameValue : "";
+                const email = typeof emailValue === "string" ? emailValue : "";
+                const phone = typeof phoneValue === "string" ? phoneValue : "";
+                const birthdate = typeof birthdateValue === "string" ? birthdateValue : "";
+
+                return (
+                  <tr
+                    key={item.id}
+                    className="border-b border-slate-200 hover:bg-slate-50 dark:border-slate-900 dark:hover:bg-slate-900/60"
+                  >
+                    <td className="py-2 pr-4 text-slate-600 dark:text-slate-300 text-[11px]">
+                      {new Date(item.createdAt).toLocaleString()}
+                    </td>
+                    <td className="py-2 pr-4 text-slate-900 dark:text-slate-100">{name}</td>
+                    <td className="py-2 pr-4 text-slate-600 dark:text-slate-300">{email}</td>
+                    <td className="py-2 pr-4 text-slate-600 dark:text-slate-300">{phone}</td>
+                    <td className="py-2 pr-4 text-slate-600 dark:text-slate-300">{birthdate}</td>
+                    <td className="py-2 pr-4 text-slate-600 dark:text-slate-300 whitespace-pre-wrap">
+                      {renderOtherFields(payload)}
+                    </td>
+                  </tr>
+                );
+              })}
+            </tbody>
+          </table>
+        )}
+      </section>
+    </main>
+  );
+}

src/app/projects/page.tsx

@@ -0,0 +1,637 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import Link from "next/link";
+import { useRouter } from "next/navigation";
+import {
+  FilePlus2,
+  Trash2,
+  Eye,
+  Pencil,
+  ListChecks,
+  ChevronLeft,
+  ChevronRight,
+  LayoutDashboard,
+  FolderKanban,
+  SunMoon,
+  BarChart2,
+  HelpCircle,
+  ExternalLink,
+} from "lucide-react";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getDashboardMessages } from "@/features/i18n/messages/dashboard";
+import { getProjectsMessages } from "@/features/i18n/messages/projects";
+
+interface ProjectListItem {
+  id: string;
+  title: string;
+  slug: string;
+  status: string;
+  createdAt: string;
+  updatedAt: string;
+  todaySubmissions?: number;
+  totalSubmissions?: number;
+}
+
+export default function ProjectsPage() {
+  const router = useRouter();
+  const locale = useAppLocale();
+  const t = getDashboardMessages(locale);
+  const p = getProjectsMessages(locale);
+  const [projects, setProjects] = useState<ProjectListItem[]>([]);
+  const [status, setStatus] = useState<"idle" | "loading" | "error">("idle");
+  const [errorMessage, setErrorMessage] = useState<string | null>(null);
+  const [selectedSlugs, setSelectedSlugs] = useState<string[]>([]);
+  const [currentPage, setCurrentPage] = useState(1);
+  const [isMenuOpen, setIsMenuOpen] = useState(false);
+  const [emailVerified, setEmailVerified] = useState<boolean | null>(null);
+  const [isStatusHelpOpen, setIsStatusHelpOpen] = useState(false);
+  const pageSize = 10;
+
+  useEffect(() => {
+    let cancelled = false;
+
+    const load = async () => {
+      try {
+        setStatus("loading");
+        setErrorMessage(null);
+
+        const res = await fetch("/api/projects");
+        if (!res.ok) {
+          if (!cancelled) {
+            setStatus("error");
+
+            if (res.status === 401) {
+              setErrorMessage(p.errorFetchUnauthorized);
+              router.push("/login");
+            } else {
+              setErrorMessage(p.errorFetchGeneric);
+            }
+          }
+          return;
+        }
+
+        const data = (await res.json()) as ProjectListItem[];
+        if (!cancelled) {
+          setProjects(Array.isArray(data) ? data : []);
+          setStatus("idle");
+          setErrorMessage(null);
+        }
+      } catch {
+        if (!cancelled) {
+          setStatus("error");
+          setErrorMessage(p.errorFetchGeneric);
+        }
+      }
+    };
+
+    void load();
+
+    return () => {
+      cancelled = true;
+    };
+  }, []);
+
+  // 이메일 인증 여부를 확인해 퍼블릭 페이지 링크 노출 여부를 결정한다.
+  useEffect(() => {
+    let cancelled = false;
+
+    const loadMe = async () => {
+      try {
+        const res = await fetch("/api/auth/me");
+        if (cancelled || !res.ok) return;
+
+        const data = (await res.json().catch(() => null)) as any;
+        if (!cancelled && data) {
+          setEmailVerified(Boolean(data.emailVerified));
+        }
+      } catch {
+        // ignore – 인증 여부를 알 수 없으면 기존 동작(링크 노출)을 유지한다.
+      }
+    };
+
+    void loadMe();
+
+    return () => {
+      cancelled = true;
+    };
+  }, []);
+
+  useEffect(() => {
+    const totalPages = Math.max(1, Math.ceil(projects.length / pageSize));
+    setCurrentPage((prev) => Math.min(prev, totalPages));
+  }, [projects.length, pageSize]);
+
+  const handleStatusChange = async (
+    slug: string,
+    nextStatus: "DRAFT" | "PUBLISHED" | "ARCHIVED",
+  ) => {
+    try {
+      const res = await fetch(`/api/projects/${encodeURIComponent(slug)}`, {
+        method: "PATCH",
+        headers: {
+          "Content-Type": "application/json",
+        },
+        body: JSON.stringify({ status: nextStatus }),
+      });
+
+      if (!res.ok) {
+        setStatus("error");
+        setErrorMessage(p.errorFetchGeneric);
+        return;
+      }
+
+      const updated = (await res.json().catch(() => null)) as
+        | (ProjectListItem & { status?: string })
+        | null;
+
+      setProjects((prev) =>
+        prev.map((project) => {
+          if (project.slug !== slug) return project;
+          const updatedStatus = updated?.status ?? nextStatus;
+          const updatedAt = (updated as any)?.updatedAt ?? project.updatedAt;
+          return {
+            ...project,
+            status: updatedStatus,
+            updatedAt,
+          };
+        }),
+      );
+
+      setStatus("idle");
+      setErrorMessage(null);
+    } catch {
+      setStatus("error");
+      setErrorMessage(p.errorFetchGeneric);
+    }
+  };
+
+  const handleDelete = async (slug: string) => {
+    if (typeof window !== "undefined") {
+      const confirmed = window.confirm(p.confirmDeleteSingle);
+
+      if (!confirmed) return;
+    }
+
+    try {
+      const res = await fetch(`/api/projects/${encodeURIComponent(slug)}`, {
+        method: "DELETE",
+      });
+
+      if (!res.ok) {
+        setStatus("error");
+        setErrorMessage(p.errorDeleteSingle);
+        return;
+      }
+
+      setProjects((prev) => prev.filter((p) => p.slug !== slug));
+      setSelectedSlugs((prev) => prev.filter((s) => s !== slug));
+
+      if (typeof window !== "undefined") {
+        window.localStorage.removeItem(`pb:project:${slug}`);
+        window.localStorage.removeItem(`pb:autosave:${slug}`);
+      }
+
+      setStatus("idle");
+      setErrorMessage(null);
+    } catch {
+      setStatus("error");
+      setErrorMessage(p.errorDeleteSingle);
+    }
+  };
+
+  const handleLogout = async () => {
+    try {
+      const res = await fetch("/api/auth/logout", {
+        method: "POST",
+      });
+
+      if (!res.ok) {
+        setStatus("error");
+        setErrorMessage("로그아웃 중 오류가 발생했습니다. 잠시 후 다시 시도해 주세요.");
+        return;
+      }
+
+      router.push("/login");
+    } catch {
+      setStatus("error");
+      setErrorMessage("로그아웃 중 오류가 발생했습니다. 잠시 후 다시 시도해 주세요.");
+    }
+  };
+
+  const totalCount = projects.length;
+  const totalPages = Math.max(1, Math.ceil(totalCount / pageSize));
+  const startIndex = (currentPage - 1) * pageSize;
+  const endIndex = startIndex + pageSize;
+  const pageProjects = projects.slice(startIndex, endIndex);
+
+  const handleBulkDelete = async () => {
+    const slugs = selectedSlugs;
+    if (slugs.length === 0) return;
+
+    if (typeof window !== "undefined") {
+      const confirmed = window.confirm(p.confirmDeleteBulk);
+      if (!confirmed) return;
+    }
+
+    try {
+      const results = await Promise.all(
+        slugs.map(async (slug) => {
+          const res = await fetch(`/api/projects/${encodeURIComponent(slug)}`, { method: "DELETE" });
+          return { slug, ok: res.ok };
+        }),
+      );
+
+      const okSlugs = results.filter((r) => r.ok).map((r) => r.slug);
+
+      if (okSlugs.length === 0) {
+        setStatus("error");
+        setErrorMessage(p.errorDeleteBulkAllFailed);
+        return;
+      }
+
+      setProjects((prev) => prev.filter((p) => !okSlugs.includes(p.slug)));
+      setSelectedSlugs((prev) => prev.filter((s) => !okSlugs.includes(s)));
+
+      if (typeof window !== "undefined") {
+        for (const slug of okSlugs) {
+          window.localStorage.removeItem(`pb:project:${slug}`);
+          window.localStorage.removeItem(`pb:autosave:${slug}`);
+        }
+      }
+  
+      if (okSlugs.length !== slugs.length) {
+        setStatus("error");
+        setErrorMessage(p.errorDeleteBulkSomeFailed);
+      } else {
+        setStatus("idle");
+        setErrorMessage(null);
+      }
+    } catch {
+      setStatus("error");
+      setErrorMessage(p.errorDeleteBulkAllFailed);
+    }
+  };
+
+  const handleToggleTheme = () => {
+    if (typeof document === "undefined") {
+      return;
+    }
+
+    const root = document.documentElement;
+    if (!root) {
+      return;
+    }
+
+    root.classList.toggle("dark");
+  };
+
+  return (
+    <main className="min-h-screen flex flex-col bg-slate-100 text-slate-900 dark:bg-slate-950 dark:text-slate-50">
+      <header className="border-b border-slate-200 px-6 py-4 flex items-center justify-between bg-white/80 backdrop-blur dark:border-slate-800 dark:bg-slate-950/80">
+        <div>
+          <h1 className="text-2xl font-bold tracking-tight">{p.headerTitle}</h1>
+          <p className="text-sm text-slate-500 dark:text-slate-400">{p.headerDescription}</p>
+        </div>
+        <div className="flex items-center gap-3 text-sm">
+          <nav className="inline-flex items-center gap-1 rounded-full border border-slate-200 bg-white/80 px-1.5 py-1 shadow-sm dark:border-slate-700 dark:bg-slate-900/80">
+            <Link
+              href="/dashboard"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-slate-700 hover:bg-slate-100 hover:text-sky-700 dark:text-slate-200 dark:hover:bg-slate-800 dark:hover:text-sky-200"
+            >
+              <LayoutDashboard className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navDashboard}</span>
+            </Link>
+            <Link
+              href="/projects"
+              aria-current="page"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-semibold bg-sky-600 text-white shadow-sm hover:bg-sky-700"
+            >
+              <FolderKanban className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navProjects}</span>
+            </Link>
+            <Link
+              href="/projects/submissions"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-emerald-700 hover:bg-emerald-50 hover:text-emerald-800 dark:text-emerald-200 dark:hover:bg-emerald-900/60 dark:hover:text-emerald-100"
+            >
+              <ListChecks className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navSubmissions}</span>
+            </Link>
+            <Link
+              href="/reports"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-slate-700 hover:bg-slate-100 hover:text-sky-700 dark:text-slate-200 dark:hover:bg-slate-800 dark:hover:text-sky-200"
+            >
+              <BarChart2 className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navReports ?? "Reports"}</span>
+            </Link>
+          </nav>
+          <button
+            type="button"
+            className="inline-flex items-center gap-1 rounded-full border border-slate-300 bg-white/80 px-3 py-1.5 text-xs font-medium text-slate-700 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200 dark:hover:bg-slate-800"
+            onClick={handleToggleTheme}
+          >
+            <SunMoon className="w-4 h-4" aria-hidden="true" />
+            <span>{t.themeToggleLabel}</span>
+          </button>
+          <div className="relative">
+            <button
+              type="button"
+              className="inline-flex items-center gap-1 rounded-full border border-slate-300 bg-white/80 px-3 py-1.5 text-xs font-medium text-slate-700 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200 dark:hover:bg-slate-800"
+              onClick={() => {
+                setIsMenuOpen((prev) => !prev);
+              }}
+            >
+              {t.menuLabel}
+            </button>
+            {isMenuOpen && (
+              <div className="absolute right-0 mt-1 w-32 rounded border border-slate-200 bg-white shadow-lg z-20 dark:border-slate-700 dark:bg-slate-900/95">
+                <button
+                  type="button"
+                  className="w-full px-3 py-2 text-left text-xs text-slate-700 hover:bg-slate-100 dark:text-slate-200 dark:hover:bg-slate-800"
+                  onClick={() => {
+                    setIsMenuOpen(false);
+                    router.push("/mypage");
+                  }}
+                >
+                  {t.myPageLabel}
+                </button>
+                <button
+                  type="button"
+                  className="w-full px-3 py-2 text-left text-xs text-slate-700 hover:bg-slate-100 dark:text-slate-200 dark:hover:bg-slate-800"
+                  onClick={() => {
+                    setIsMenuOpen(false);
+                    void handleLogout();
+                  }}
+                >
+                  {t.logoutLabel}
+                </button>
+              </div>
+            )}
+          </div>
+        </div>
+      </header>
+      <section className="flex-1 px-6 py-4 overflow-auto bg-slate-50/60 dark:bg-transparent">
+        {status === "error" && (
+          <p className="text-xs text-red-500 mb-3 dark:text-red-300">
+            {errorMessage ?? p.errorFetchGeneric}
+          </p>
+        )}
+        {projects.length === 0 && status === "idle" && (
+          <p className="text-xs text-slate-500 dark:text-slate-400">아직 저장된 프로젝트가 없습니다. 에디터에서 프로젝트를 저장해 보세요.</p>
+        )}
+        {projects.length > 0 && (
+          <>
+            <div
+              data-testid="projects-toolbar"
+              className="flex items-center justify-between mb-2 text-[11px] text-slate-600 dark:text-slate-300"
+            >
+              <div className="inline-flex items-center gap-2">
+                <span className="inline-flex items-center gap-1 px-2 py-1 rounded-full border bg-slate-100 border-slate-300 text-slate-700 dark:bg-slate-900/70 dark:border-slate-700 dark:text-slate-200">
+                  <ListChecks className="w-3 h-3 text-slate-400 dark:text-slate-500" aria-hidden="true" />
+                  <span>
+                    {p.toolbarSelectedPrefix}
+                    <span className="font-semibold">{selectedSlugs.length}</span>
+                    {p.toolbarSelectedSuffix}
+                  </span>
+                </span>
+              </div>
+              <div className="flex items-center gap-2">
+                <button
+                  type="button"
+                  className="inline-flex items-center gap-1 rounded border px-2 py-1 text-xs font-medium border-red-300 text-red-700 bg-red-50 hover:bg-red-100 disabled:opacity-40 disabled:cursor-not-allowed dark:border-red-700 dark:text-red-200 dark:bg-red-900/40 dark:hover:bg-red-900/60"
+                  disabled={selectedSlugs.length === 0}
+                  onClick={() => {
+                    void handleBulkDelete();
+                  }}
+                >
+                  <Trash2 className="w-3 h-3" aria-hidden="true" />
+                  <span>{p.toolbarDeleteSelected}</span>
+                </button>
+                <Link
+                  href="/editor?new=1"
+                  className="inline-flex items-center gap-1 rounded border px-2 py-1 text-xs font-medium border-sky-500 bg-sky-600 text-white hover:bg-sky-700 shadow-sm dark:border-sky-700 dark:bg-sky-950 dark:text-sky-100 dark:hover:bg-sky-900"
+                >
+                  <FilePlus2 className="w-3 h-3" aria-hidden="true" />
+                  <span>{p.toolbarCreateNew}</span>
+                </Link>
+              </div>
+            </div>
+            <table className="w-full text-xs text-left border-collapse mt-2">
+              <thead>
+                <tr className="border-b border-slate-200 text-slate-600 dark:border-slate-800 dark:text-slate-400">
+                  <th className="py-2 pr-2 w-8">
+                    <input
+                      type="checkbox"
+                      className="h-3 w-3 rounded border-slate-700 bg-slate-900 align-middle"
+                      aria-label={p.tableHeaderSelectAllAria}
+                      checked={
+                        pageProjects.length > 0 && pageProjects.every((p) => selectedSlugs.includes(p.slug))
+                      }
+                      onChange={(e) => {
+                        if (e.target.checked) {
+                          const slugsOnPage = pageProjects.map((p) => p.slug);
+                          setSelectedSlugs((prev) => Array.from(new Set([...prev, ...slugsOnPage])));
+                        } else {
+                          const slugsOnPage = pageProjects.map((p) => p.slug);
+                          setSelectedSlugs((prev) => prev.filter((s) => !slugsOnPage.includes(s)));
+                        }
+                      }}
+                    />
+                  </th>
+                  <th className="py-2 pr-4">{p.tableHeaderTitle}</th>
+                  <th className="py-2 pr-4">{p.tableHeaderSlug}</th>
+                  <th className="py-2 pr-4 relative">
+                    <span className="inline-flex items-center gap-1">
+                      <span>{p.tableHeaderStatus}</span>
+                      <button
+                        type="button"
+                        aria-label={p.tableHeaderStatusHelpLabel}
+                        aria-pressed={isStatusHelpOpen}
+                        className="inline-flex items-center justify-center w-4 h-4 rounded-full border border-slate-300 text-slate-500 bg-white hover:bg-slate-100 dark:border-slate-600 dark:text-slate-300 dark:bg-slate-900 dark:hover:bg-slate-800"
+                        onClick={() => {
+                          setIsStatusHelpOpen((prev) => !prev);
+                        }}
+                      >
+                        <HelpCircle className="w-3 h-3" aria-hidden="true" />
+                      </button>
+                    </span>
+                    {isStatusHelpOpen && (
+                      <div className="absolute z-20 mt-1 w-72 rounded-md border border-slate-200 bg-white p-2 text-[10px] text-slate-700 shadow-md dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200">
+                        <pre className="whitespace-pre-wrap font-sans text-[10px] leading-snug">
+                          {p.tableHeaderStatusHelpTooltip}
+                        </pre>
+                      </div>
+                    )}
+                  </th>
+                  <th className="py-2 pr-4">{p.tableHeaderSubmissions}</th>
+                  <th className="py-2 pr-4">{p.tableHeaderCreatedAt}</th>
+                  <th className="py-2 pr-4">{p.tableHeaderUpdatedAt}</th>
+                  <th className="py-2 pr-4 text-right">{p.tableHeaderActions}</th>
+                </tr>
+              </thead>
+              <tbody>
+                {pageProjects.map((project) => {
+                  const checked = selectedSlugs.includes(project.slug);
+                  return (
+                    <tr
+                      key={project.id}
+                      className="border-b border-slate-200 hover:bg-slate-50 dark:border-slate-900 dark:hover:bg-slate-900/60"
+                    >
+                      <td className="py-2 pr-2 w-8">
+                        <input
+                          type="checkbox"
+                          className="h-3 w-3 rounded border-slate-700 bg-slate-900 align-middle"
+                          aria-label={`${project.title}${p.tableRowSelectAriaSuffix}`}
+                          checked={checked}
+                          onChange={(e) => {
+                            if (e.target.checked) {
+                              setSelectedSlugs((prev) =>
+                                prev.includes(project.slug) ? prev : [...prev, project.slug],
+                              );
+                            } else {
+                              setSelectedSlugs((prev) => prev.filter((s) => s !== project.slug));
+                            }
+                          }}
+                        />
+                      </td>
+                      <td className="py-2 pr-4 text-slate-900 dark:text-slate-100">{project.title}</td>
+                      <td className="py-2 pr-4 text-slate-600 dark:text-slate-300 font-mono text-[11px]">{project.slug}</td>
+                      <td className="py-2 pr-4 text-slate-600 dark:text-slate-300">
+                        <select
+                          value={project.status}
+                          onChange={(e) => {
+                            const value = e.target.value as "DRAFT" | "PUBLISHED" | "ARCHIVED";
+                            if (value !== project.status) {
+                              void handleStatusChange(project.slug, value);
+                            }
+                          }}
+                          className="border border-slate-300 rounded px-1.5 py-1 text-[11px] bg-white text-slate-700 dark:bg-slate-900 dark:border-slate-700 dark:text-slate-200"
+                        >
+                          <option value="DRAFT">{p.statusDraftLabel}</option>
+                          <option value="PUBLISHED">{p.statusPublishedLabel}</option>
+                          <option value="ARCHIVED">{p.statusArchivedLabel}</option>
+                        </select>
+                      </td>
+                      <td className="py-2 pr-4 text-slate-600 dark:text-slate-300 text-[11px]">
+                        <Link
+                          href={`/projects/${encodeURIComponent(project.slug)}/submissions`}
+                          className="inline-flex items-center gap-1 text-emerald-600 hover:text-emerald-700 underline-offset-2 hover:underline dark:text-emerald-300 dark:hover:text-emerald-100"
+                        >
+                          <ListChecks className="w-3 h-3" aria-hidden="true" />
+                          <span>
+                            {(project.todaySubmissions ?? 0).toString()}/{
+                              (project.totalSubmissions ?? 0).toString()
+                            }
+                          </span>
+                          <span className="sr-only">{p.actionViewSubmissions}</span>
+                        </Link>
+                      </td>
+                      <td className="py-2 pr-4 text-slate-500 dark:text-slate-400 text-[11px]">
+                        {new Date(project.createdAt).toLocaleString()}
+                      </td>
+                      <td className="py-2 pr-4 text-slate-500 text-[11px]">
+                        {new Date(project.updatedAt).toLocaleString()}
+                      </td>
+                      <td className="py-2 pl-4 pr-0 text-right text-[11px]">
+                        <div className="inline-flex items-center gap-1">
+                          <Link
+                            href={`/editor?slug=${encodeURIComponent(project.slug)}`}
+                            className="inline-flex items-center gap-1 text-sky-600 hover:text-sky-700 underline-offset-2 hover:underline dark:text-sky-300 dark:hover:text-sky-200"
+                          >
+                            <Pencil className="w-4 h-4" aria-hidden="true" />
+                            <span className="sr-only">{p.actionEdit}</span>
+                          </Link>
+                          <Link
+                            href={`/preview?slug=${encodeURIComponent(project.slug)}`}
+                            className="inline-flex items-center gap-1 text-slate-600 hover:text-slate-800 underline-offset-2 hover:underline dark:text-slate-300 dark:hover:text-slate-100"
+                          >
+                            <Eye className="w-4 h-4" aria-hidden="true" />
+                            <span className="sr-only">{p.actionPreview}</span>
+                          </Link>
+                          {emailVerified !== false && (
+                            <Link
+                              href={`/p/${encodeURIComponent(project.slug)}`}
+                              target="_blank"
+                              rel="noopener noreferrer"
+                              className="inline-flex items-center gap-1 text-sky-700 hover:text-sky-900 underline-offset-2 hover:underline dark:text-sky-300 dark:hover:text-sky-200"
+                            >
+                              <ExternalLink className="w-4 h-4" aria-hidden="true" />
+                              <span className="sr-only">{t.projectOpenPublicPageLink}</span>
+                            </Link>
+                          )}
+                          <button
+                            type="button"
+                            className="inline-flex items-center gap-1 text-red-600 hover:text-red-700 underline-offset-2 hover:underline dark:text-red-300 dark:hover:text-red-200"
+                            onClick={() => {
+                              void handleDelete(project.slug);
+                            }}
+                          >
+                            <Trash2 className="w-4 h-4" aria-hidden="true" />
+                            <span className="sr-only">{p.actionDelete}</span>
+                          </button>
+                        </div>
+                      </td>
+                    </tr>
+                  );
+                })}
+              </tbody>
+            </table>
+
+            <div className="mt-3 flex items-center justify-between text-[11px] text-slate-600 dark:text-slate-300">
+              <div className="inline-flex items-center gap-2">
+                <span className="px-2 py-1 rounded-full bg-slate-100 border border-slate-300 text-slate-700 dark:bg-slate-900/70 dark:border-slate-700 dark:text-slate-200">
+                  {p.pagerTotalPrefix}
+                  {totalCount}
+                  {p.pagerTotalCountSuffix}
+                  <span className="font-semibold">
+                    {totalCount === 0 ? 0 : startIndex + 1}–{Math.min(endIndex, totalCount)}
+                  </span>
+                </span>
+              </div>
+              <div className="flex items-center gap-1">
+                {Array.from({ length: totalPages }).map((_, idx) => {
+                  const page = idx + 1;
+                  const isActive = page === currentPage;
+                  return (
+                    <button
+                      key={page}
+                      type="button"
+                      onClick={() => setCurrentPage(page)}
+                      className={`w-6 h-6 rounded-full text-[10px] flex items-center justify-center border transition-colors ${
+                        isActive
+                          ? "bg-sky-600 text-white border-sky-500 shadow-sm"
+                          : "bg-white text-slate-700 border-slate-300 hover:bg-slate-100 dark:bg-slate-900 dark:text-slate-300 dark:border-slate-700 dark:hover:bg-slate-800"
+                      }`}
+                    >
+                      {page}
+                    </button>
+                  );
+                })}
+              </div>
+              <div className="flex items-center gap-1">
+                <button
+                  type="button"
+                  disabled={currentPage === 1}
+                  className="inline-flex items-center gap-1 px-2 py-1 rounded border border-slate-300 text-slate-700 bg-white disabled:opacity-40 disabled:cursor-not-allowed hover:bg-slate-100 dark:border-slate-700 dark:text-slate-300 dark:bg-slate-900 dark:hover:bg-slate-800"
+                  onClick={() => setCurrentPage((p) => Math.max(1, p - 1))}
+                >
+                  <ChevronLeft className="w-3 h-3" aria-hidden="true" />
+                  <span>{p.pagerPrevLabel}</span>
+                </button>
+                <button
+                  type="button"
+                  disabled={currentPage === totalPages}
+                  className="inline-flex items-center gap-1 px-2 py-1 rounded border border-slate-300 text-slate-700 bg-white disabled:opacity-40 disabled:cursor-not-allowed hover:bg-slate-100 dark:border-slate-700 dark:text-slate-300 dark:bg-slate-900 dark:hover:bg-slate-800"
+                  onClick={() => setCurrentPage((p) => Math.min(totalPages, p + 1))}
+                >
+                  <span>{p.pagerNextLabel}</span>
+                  <ChevronRight className="w-3 h-3" aria-hidden="true" />
+                </button>
+              </div>
+            </div>
+          </>
+        )}
+      </section>
+    </main>
+  );
+}

src/app/projects/submissions/page.tsx

@@ -0,0 +1,264 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { useRouter } from "next/navigation";
+import Link from "next/link";
+import { BarChart2, FolderKanban, LayoutDashboard, ListChecks, SunMoon } from "lucide-react";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getDashboardMessages } from "@/features/i18n/messages/dashboard";
+import { getSubmissionsMessages } from "@/features/i18n/messages/submissions";
+
+interface SubmissionItem {
+  id: string;
+  createdAt: string;
+  projectSlug: string;
+  projectTitle: string | null;
+  payload: Record<string, unknown>;
+}
+
+type PageStatus = "idle" | "loading" | "error";
+
+export default function AllProjectSubmissionsPage() {
+  const router = useRouter();
+  const locale = useAppLocale();
+  const t = getDashboardMessages(locale);
+  const m = getSubmissionsMessages(locale);
+  const [submissions, setSubmissions] = useState<SubmissionItem[]>([]);
+  const [status, setStatus] = useState<PageStatus>("idle");
+  const [errorMessage, setErrorMessage] = useState<string | null>(null);
+  const [isMenuOpen, setIsMenuOpen] = useState(false);
+
+  useEffect(() => {
+    let cancelled = false;
+
+    const load = async () => {
+      try {
+        setStatus("loading");
+        setErrorMessage(null);
+
+        const res = await fetch("/api/projects/submissions");
+
+        if (!res.ok) {
+          if (cancelled) return;
+
+          if (res.status === 401) {
+            setStatus("error");
+            setErrorMessage(m.errorUnauthorized);
+            router.push("/login");
+            return;
+          }
+
+          setStatus("error");
+          setErrorMessage(m.errorGeneric);
+          return;
+        }
+
+        const data = (await res.json()) as SubmissionItem[];
+
+        if (!cancelled) {
+          setSubmissions(Array.isArray(data) ? data : []);
+          setStatus("idle");
+          setErrorMessage(null);
+        }
+      } catch {
+        if (!cancelled) {
+          setStatus("error");
+          setErrorMessage(m.errorGeneric);
+        }
+      }
+    };
+
+    void load();
+
+    return () => {
+      cancelled = true;
+    };
+  }, []);
+
+  const renderOtherFields = (payload: Record<string, unknown>): string => {
+    const knownKeys = new Set(["name", "email", "phone", "birthdate"]);
+    const entries = Object.entries(payload).filter(([key]) => !knownKeys.has(key));
+
+    if (entries.length === 0) {
+      return "-";
+    }
+
+    return entries
+      .map(([key, value]) => {
+        const stringValue = typeof value === "string" ? value : JSON.stringify(value);
+        return `${key}: ${stringValue}`;
+      })
+      .join("\n");
+  };
+
+  const handleLogout = async () => {
+    try {
+      const res = await fetch("/api/auth/logout", {
+        method: "POST",
+      });
+
+      if (!res.ok) {
+        setErrorMessage(m.errorLogout);
+        return;
+      }
+
+      router.push("/login");
+    } catch {
+      setErrorMessage(m.errorLogout);
+    }
+  };
+
+  return (
+    <main className="min-h-screen flex flex-col bg-slate-100 text-slate-900 dark:bg-slate-950 dark:text-slate-50">
+      <header className="border-b border-slate-200 px-6 py-4 flex items-center justify-between bg-white/80 backdrop-blur dark:border-slate-800 dark:bg-slate-950/80">
+        <div>
+          <h1 className="text-2xl font-bold tracking-tight">{m.headerTitle}</h1>
+          <p className="text-sm text-slate-500 dark:text-slate-400">{m.headerDescription}</p>
+        </div>
+        <div className="flex items-center gap-3 text-sm">
+          <nav className="inline-flex items-center gap-1 rounded-full border border-slate-200 bg-white/80 px-1.5 py-1 shadow-sm dark:border-slate-700 dark:bg-slate-900/80">
+            <Link
+              href="/dashboard"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-slate-700 hover:bg-slate-100 hover:text-sky-700 dark:text-slate-200 dark:hover:bg-slate-800 dark:hover:text-sky-200"
+            >
+              <LayoutDashboard className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navDashboard}</span>
+            </Link>
+            <Link
+              href="/projects"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-slate-700 hover:bg-slate-100 hover:text-sky-700 dark:text-slate-200 dark:hover:bg-slate-800 dark:hover:text-sky-200"
+            >
+              <FolderKanban className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navProjects}</span>
+            </Link>
+            <Link
+              href="/projects/submissions"
+              aria-current="page"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-semibold bg-emerald-600 text-white shadow-sm hover:bg-emerald-700"
+            >
+              <ListChecks className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navSubmissions}</span>
+            </Link>
+            <Link
+              href="/reports"
+              className="inline-flex items-center gap-1 px-3 py-1.5 rounded-full text-sm font-medium text-slate-700 hover:bg-slate-100 hover:text-sky-700 dark:text-slate-200 dark:hover:bg-slate-800 dark:hover:text-sky-200"
+            >
+              <BarChart2 className="w-4 h-4" aria-hidden="true" />
+              <span>{t.navReports ?? "Reports"}</span>
+            </Link>
+          </nav>
+          <button
+            type="button"
+            className="inline-flex items-center gap-1 rounded-full border border-slate-300 bg-white/80 px-3 py-1.5 text-xs font-medium text-slate-700 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200 dark:hover:bg-slate-800"
+            onClick={() => {
+              if (typeof document === "undefined") {
+                return;
+              }
+
+              const root = document.documentElement;
+              if (!root) {
+                return;
+              }
+
+              root.classList.toggle("dark");
+            }}
+          >
+            <SunMoon className="w-4 h-4" aria-hidden="true" />
+            <span>{t.themeToggleLabel}</span>
+          </button>
+          <div className="relative">
+            <button
+              type="button"
+              className="inline-flex items-center gap-1 rounded-full border border-slate-300 bg-white/80 px-3 py-1.5 text-xs font-medium text-slate-700 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-200 dark:hover:bg-slate-800"
+              onClick={() => {
+                setIsMenuOpen((prev) => !prev);
+              }}
+            >
+              {t.menuLabel}
+            </button>
+            {isMenuOpen && (
+              <div className="absolute right-0 mt-1 w-32 rounded border border-slate-200 bg-white shadow-lg z-20 dark:border-slate-700 dark:bg-slate-900/95">
+                <button
+                  type="button"
+                  className="w-full px-3 py-2 text-left text-xs text-slate-700 hover:bg-slate-100 dark:text-slate-200 dark:hover:bg-slate-800"
+                  onClick={() => {
+                    setIsMenuOpen(false);
+                    void handleLogout();
+                  }}
+                >
+                  {t.logoutLabel}
+                </button>
+              </div>
+            )}
+          </div>
+        </div>
+      </header>
+
+      <section className="flex-1 px-6 py-4 overflow-auto bg-slate-50/60 dark:bg-transparent">
+        {status === "error" && errorMessage && (
+          <p className="text-xs text-red-500 mb-3 dark:text-red-300">{errorMessage}</p>
+        )}
+
+        {status === "loading" && (
+          <p className="text-xs text-slate-500 mb-3 dark:text-slate-400">{m.loadingText}</p>
+        )}
+
+        {status === "idle" && !errorMessage && submissions.length === 0 && (
+          <p className="text-xs text-slate-500 dark:text-slate-400">{m.emptyText}</p>
+        )}
+
+        {submissions.length > 0 && (
+          <table className="w-full text-xs text-left border-collapse mt-2">
+            <thead>
+              <tr className="border-b border-slate-200 text-slate-600 dark:border-slate-800 dark:text-slate-400">
+                <th className="py-2 pr-4">{m.tableHeaderCreatedAt}</th>
+                <th className="py-2 pr-4">{m.tableHeaderProject}</th>
+                <th className="py-2 pr-4">{m.tableHeaderSlug}</th>
+                <th className="py-2 pr-4">{m.tableHeaderName}</th>
+                <th className="py-2 pr-4">{m.tableHeaderEmail}</th>
+                <th className="py-2 pr-4">{m.tableHeaderPhone}</th>
+                <th className="py-2 pr-4">{m.tableHeaderBirthdate}</th>
+                <th className="py-2 pr-4">{m.tableHeaderOtherFields}</th>
+              </tr>
+            </thead>
+            <tbody>
+              {submissions.map((item) => {
+                const payload = (item.payload ?? {}) as Record<string, unknown>;
+
+                const nameValue = payload["name"];
+                const emailValue = payload["email"];
+                const phoneValue = payload["phone"];
+                const birthdateValue = payload["birthdate"];
+
+                const name = typeof nameValue === "string" ? nameValue : "";
+                const email = typeof emailValue === "string" ? emailValue : "";
+                const phone = typeof phoneValue === "string" ? phoneValue : "";
+                const birthdate = typeof birthdateValue === "string" ? birthdateValue : "";
+
+                return (
+                  <tr
+                    key={item.id}
+                    className="border-b border-slate-200 hover:bg-slate-50 dark:border-slate-900 dark:hover:bg-slate-900/60"
+                  >
+                    <td className="py-2 pr-4 text-slate-600 dark:text-slate-300 text-[11px]">
+                      {new Date(item.createdAt).toLocaleString()}
+                    </td>
+                    <td className="py-2 pr-4 text-slate-900 dark:text-slate-100">{item.projectTitle ?? "-"}</td>
+                    <td className="py-2 pr-4 text-slate-600 dark:text-slate-300">{item.projectSlug}</td>
+                    <td className="py-2 pr-4 text-slate-900 dark:text-slate-100">{name}</td>
+                    <td className="py-2 pr-4 text-slate-600 dark:text-slate-300">{email}</td>
+                    <td className="py-2 pr-4 text-slate-600 dark:text-slate-300">{phone}</td>
+                    <td className="py-2 pr-4 text-slate-600 dark:text-slate-300">{birthdate}</td>
+                    <td className="py-2 pr-4 text-slate-600 dark:text-slate-300 whitespace-pre-wrap">
+                      {renderOtherFields(payload)}
+                    </td>
+                  </tr>
+                );
+              })}
+            </tbody>
+          </table>
+        )}
+      </section>
+    </main>
+  );
+}

src/app/signup/page.tsx

@@ -0,0 +1,219 @@
+"use client";
+
+import { FormEvent, useEffect, useState } from "react";
+import { useRouter } from "next/navigation";
+import Link from "next/link";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getAuthMessages } from "@/features/i18n/messages/auth";
+
+type PasswordStrengthLabel = "weak" | "medium" | "strong";
+
+function getPasswordStrengthLabel(password: string): PasswordStrengthLabel | null {
+  if (!password || password.length < 4) {
+    return null;
+  }
+
+  let score = 0;
+  if (/[a-z]/.test(password)) score += 1;
+  if (/[A-Z]/.test(password)) score += 1;
+  if (/[0-9]/.test(password)) score += 1;
+  if (/[^a-zA-Z0-9]/.test(password)) score += 1;
+  if (password.length >= 12) score += 1;
+
+  if (password.length < 8 || score <= 2) {
+    return "weak";
+  }
+
+  if (score === 3) {
+    return "medium";
+  }
+
+  return "strong";
+}
+
+export default function SignupPage() {
+  const router = useRouter();
+
+  const locale = useAppLocale();
+  const { signup: t } = getAuthMessages(locale);
+
+  const [email, setEmail] = useState("");
+  const [password, setPassword] = useState("");
+  const [passwordConfirm, setPasswordConfirm] = useState("");
+  const [error, setError] = useState<string | null>(null);
+  const [loading, setLoading] = useState(false);
+
+  useEffect(() => {
+    let cancelled = false;
+
+    const checkAuth = async () => {
+      try {
+        const res = await fetch("/api/auth/me");
+        if (!cancelled && res.ok) {
+          router.push("/dashboard");
+        }
+      } catch {
+        // ignore
+      }
+    };
+
+    void checkAuth();
+
+    return () => {
+      cancelled = true;
+    };
+  }, [router]);
+
+  const handleSubmit = async (e: FormEvent) => {
+    e.preventDefault();
+
+    setError(null);
+    if (password !== passwordConfirm) {
+      setError(t.mismatchError);
+      return;
+    }
+
+    setLoading(true);
+
+    try {
+      const res = await fetch("/api/auth/signup", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ email, password }),
+      });
+
+      if (!res.ok) {
+        try {
+          const data = await res.json();
+          setError(data?.message ?? t.signupFailedFallbackError);
+        } catch {
+          setError(t.signupFailedFallbackError);
+        }
+        setLoading(false);
+        return;
+      }
+
+      router.push("/dashboard");
+    } catch {
+      setError(t.errorNetwork);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const strengthLabel = getPasswordStrengthLabel(password);
+  let strengthText: string | null = null;
+  if (strengthLabel) {
+    strengthText =
+      strengthLabel === "weak"
+        ? t.passwordStrengthWeak
+        : strengthLabel === "medium"
+          ? t.passwordStrengthMedium
+          : t.passwordStrengthStrong;
+  }
+
+  return (
+    <main className="min-h-screen flex items-center justify-center bg-slate-100 text-slate-900 dark:bg-slate-950 dark:text-slate-50">
+      <div className="w-full max-w-sm rounded-lg border border-slate-200 bg-white p-6 shadow-xl dark:border-slate-800 dark:bg-slate-900/70">
+        <h1 className="text-lg font-semibold mb-1">{t.title}</h1>
+        <p className="text-xs text-slate-500 mb-4 dark:text-slate-400">{t.description}</p>
+
+        {error && <p className="mb-3 text-xs text-red-300">{error}</p>}
+
+        <form onSubmit={handleSubmit} className="space-y-3 text-xs">
+          <div className="space-y-1">
+            <label htmlFor="email" className="block text-slate-800 dark:text-slate-200">
+              {t.emailLabel}
+            </label>
+            <input
+              id="email"
+              type="email"
+              value={email}
+              onChange={(e) => setEmail(e.target.value)}
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 focus:outline-none focus:ring-1 focus:ring-sky-500 dark:border-slate-700 dark:bg-slate-950 dark:text-slate-50"
+              required
+            />
+          </div>
+
+          <div className="space-y-1">
+            <label htmlFor="password" className="block text-slate-800 dark:text-slate-200">
+              {t.passwordLabel}
+            </label>
+            <input
+              id="password"
+              type="password"
+              value={password}
+              onChange={(e) => setPassword(e.target.value)}
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 focus:outline-none focus:ring-1 focus:ring-sky-500 dark:border-slate-700 dark:bg-slate-950 dark:text-slate-50"
+              required
+              minLength={8}
+            />
+          </div>
+
+          {strengthLabel && (
+            <div className="mt-1 space-y-1">
+              <div className="h-1.5 rounded-full bg-slate-200/70 dark:bg-slate-700/70 overflow-hidden">
+                <div
+                  data-testid="password-strength-bar"
+                  className={
+                    "h-full transition-all " +
+                    (strengthLabel === "weak"
+                      ? "w-1/3 bg-red-500"
+                      : strengthLabel === "medium"
+                        ? "w-2/3 bg-amber-500"
+                        : "w-full bg-emerald-600")
+                  }
+                />
+              </div>
+              <p
+                className={
+                  "text-[11px] " +
+                  (strengthLabel === "weak"
+                    ? "text-red-500 dark:text-red-300"
+                    : strengthLabel === "medium"
+                      ? "text-amber-500 dark:text-amber-300"
+                      : "text-emerald-600 dark:text-emerald-300")
+                }
+              >
+                {t.passwordStrengthPrefix} {strengthText}
+              </p>
+            </div>
+          )}
+
+          <div className="space-y-1">
+            <label htmlFor="passwordConfirm" className="block text-slate-800 dark:text-slate-200">
+              {t.passwordConfirmLabel}
+            </label>
+            <input
+              id="passwordConfirm"
+              type="password"
+              value={passwordConfirm}
+              onChange={(e) => setPasswordConfirm(e.target.value)}
+              className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 focus:outline-none focus:ring-1 focus:ring-sky-500 dark:border-slate-700 dark:bg-slate-950 dark:text-slate-50"
+              required
+              minLength={8}
+            />
+          </div>
+
+          <button
+            type="submit"
+            disabled={loading}
+            className="mt-2 w-full inline-flex items-center justify-center gap-1 rounded bg-sky-600 hover:bg-sky-500 disabled:opacity-40 disabled:cursor-not-allowed px-3 py-1 text-xs font-medium"
+          >
+            {loading ? t.submitLoading : t.submitIdle}
+          </button>
+        </form>
+
+        <p className="mt-4 text-[11px] text-slate-500 dark:text-slate-400">
+          {t.loginPromptPrefix}
+          {" "}
+          <Link href="/login" className="text-sky-300 hover:text-sky-200 underline-offset-2 hover:underline">
+            {t.loginLinkText}
+          </Link>
+          {t.loginPromptSuffix && " "}
+          {t.loginPromptSuffix}
+        </p>
+      </div>
+    </main>
+  );
+}

src/features/auth/authCrypto.ts

@@ -0,0 +1,149 @@
+import bcrypt from "bcryptjs";
+import jwt, { JwtPayload } from "jsonwebtoken";
+import { randomBytes, createCipheriv, createDecipheriv, createHash } from "crypto";
+
+// 인증/보안 관련 공통 유틸리티 함수들을 제공한다.
+// - 비밀번호 해시/검증 (bcrypt 기반)
+// - JWT 액세스 토큰 발급/검증
+// - 민감정보 JSON 암호화/복호화 (AES-256-GCM)
+
+export interface AccessTokenPayload extends JwtPayload {
+  sub: string;
+  email: string;
+  tokenVersion: number;
+  emailVerified?: boolean;
+}
+
+export interface JwtUserLike {
+  id: string;
+  email: string;
+  tokenVersion: number;
+  emailVerified?: boolean;
+}
+
+// 내부에서 사용할 JWT 시크릿을 가져온다.
+// - 설정되지 않은 경우에는 명확한 에러를 던져 조기에 문제를 발견한다.
+function getJwtSecret(): string {
+  const secret = process.env.AUTH_JWT_SECRET;
+  if (!secret || secret.length === 0) {
+    throw new Error("AUTH_JWT_SECRET 환경변수가 설정되지 않았습니다.");
+  }
+  return secret;
+}
+
+// 암호화 키 원본 문자열로부터 32바이트 AES 키를 파생한다.
+// - 키 문자열 길이에 관계없이 SHA-256 해시를 사용해 32바이트를 만든다.
+function deriveEncryptionKey(): Buffer {
+  const raw = process.env.AUTH_ENCRYPTION_KEY;
+  if (!raw || raw.length === 0) {
+    throw new Error("AUTH_ENCRYPTION_KEY 환경변수가 설정되지 않았습니다.");
+  }
+  return createHash("sha256").update(raw).digest();
+}
+
+// 최소 비밀번호 길이 (보안 요구사항: 8자 이상)
+const MIN_PASSWORD_LENGTH = 8;
+
+// 비밀번호를 bcrypt 해시로 변환한다.
+export async function hashPassword(plain: string): Promise<string> {
+  if (typeof plain !== "string" || plain.length < MIN_PASSWORD_LENGTH) {
+    throw new Error("비밀번호는 최소 8자 이상이어야 합니다.");
+  }
+
+  // bcryptjs 기본 라운드 수(10)를 사용한다. 필요 시 환경에 맞게 조정 가능.
+  const saltRounds = 10;
+  return await bcrypt.hash(plain, saltRounds);
+}
+
+// 평문 비밀번호와 저장된 해시가 일치하는지 검증한다.
+export async function verifyPassword(plain: string, hash: string): Promise<boolean> {
+  if (!hash) return false;
+  if (!plain || plain.length < MIN_PASSWORD_LENGTH) {
+    // 너무 짧은 비밀번호는 즉시 false 를 반환해 타이밍 공격을 줄인다.
+    return false;
+  }
+
+  return await bcrypt.compare(plain, hash);
+}
+
+// 유저 정보를 기반으로 JWT 액세스 토큰을 발급한다.
+export async function signAccessToken(user: JwtUserLike): Promise<string> {
+  const secret = getJwtSecret();
+
+  const payload: AccessTokenPayload = {
+    sub: user.id,
+    email: user.email,
+    tokenVersion: user.tokenVersion,
+    emailVerified: user.emailVerified ?? false,
+  };
+
+  // 만료 시간은 기본 7일로 설정한다.
+  const token = jwt.sign(payload, secret, {
+    algorithm: "HS256",
+    expiresIn: "7d",
+  });
+
+  return token;
+}
+
+// JWT 액세스 토큰을 검증하고, 유효하면 페이로드를 반환한다.
+// - 검증 실패(시그니처 오류, 만료 등) 시 null 을 반환한다.
+export async function verifyAccessToken(token: string): Promise<AccessTokenPayload | null> {
+  const secret = getJwtSecret();
+
+  try {
+    const decoded = jwt.verify(token, secret) as AccessTokenPayload;
+    if (!decoded || typeof decoded.sub !== "string") {
+      return null;
+    }
+    return decoded;
+  } catch {
+    return null;
+  }
+}
+
+// JSON 객체를 AES-256-GCM 으로 암호화한다.
+// - 결과는 iv.tag.ciphertext 형태의 base64 조합 문자열이다.
+export async function encryptJson<T extends object>(value: T): Promise<string> {
+  const key = deriveEncryptionKey();
+  const iv = randomBytes(12); // GCM 권장 IV 길이 96bit
+
+  const plain = JSON.stringify(value);
+
+  const cipher = createCipheriv("aes-256-gcm", key, iv);
+  let encrypted = cipher.update(plain, "utf8", "base64");
+  encrypted += cipher.final("base64");
+  const authTag = cipher.getAuthTag();
+
+  const ivB64 = iv.toString("base64");
+  const tagB64 = authTag.toString("base64");
+
+  return `${ivB64}.${tagB64}.${encrypted}`;
+}
+
+// AES-256-GCM 으로 암호화된 JSON 문자열을 복호화한다.
+export async function decryptJson<T = unknown>(ciphertext: string): Promise<T> {
+  const key = deriveEncryptionKey();
+
+  try {
+    const parts = ciphertext.split(".");
+    if (parts.length !== 3) {
+      throw new Error("잘못된 암호문 형식입니다.");
+    }
+
+    const [ivB64, tagB64, dataB64] = parts;
+    const iv = Buffer.from(ivB64, "base64");
+    const authTag = Buffer.from(tagB64, "base64");
+
+    const decipher = createDecipheriv("aes-256-gcm", key, iv);
+    decipher.setAuthTag(authTag);
+
+    let decrypted = decipher.update(dataB64, "base64", "utf8");
+    decrypted += decipher.final("utf8");
+
+    return JSON.parse(decrypted) as T;
+  } catch (error) {
+    // 복호화 실패 시 명시적인 에러를 던져 상위에서 처리할 수 있게 한다.
+    throw new Error("민감정보 복호화에 실패했습니다.");
+  }
+}

src/features/editor/components/ColorPickerField.tsx

@@ -1,5 +1,7 @@
 import type { ChangeEvent } from "react";
 import { useState } from "react";
+import { useAppLocale } from "@/features/i18n/LocaleProvider";
+import { getEditorColorPickerFieldMessages } from "@/features/i18n/messages/editorColorPickerField";
 
 export type ColorPaletteItem = {
   // 팔레트 식별자
@@ -32,7 +34,7 @@ export type ColorPickerFieldProps = {
 // 텍스트/버튼 등에서 공통으로 사용하는 기본 색상 팔레트
 export const TEXT_COLOR_PALETTE: ColorPaletteItem[] = [
   // 기본/중립 계열
-  { id: "default", label: "기본", color: "#e5e7eb" },
+  { id: "default", label: "없음", color: "" },
   // 투명
   { id: "transparent", label: "투명", color: "transparent" },
   { id: "muted", label: "연한", color: "#9ca3af" },
@@ -75,6 +77,9 @@ export function ColorPickerField({
 }: ColorPickerFieldProps) {
   const [open, setOpen] = useState(false);
 
+  const locale = useAppLocale();
+  const m = getEditorColorPickerFieldMessages(locale);
+
   const colorInputValue = value && value.startsWith("#") ? value : "#ffffff";
   // 컬러 인풋 변경 시 HEX 문자열을 onChange로 전달한다.
   const handleColorInputChange = (event: ChangeEvent<HTMLInputElement>) => {
@@ -101,26 +106,28 @@ export function ColorPickerField({
   if (palette.length > 0) {
     if (selectedPaletteId) {
       selectedPalette = palette.find((item) => item.id === selectedPaletteId) ?? null;
-    } else if (value) {
+    } else {
+      // value 가 빈 문자열이어도 color 가 "" 인 팔레트 항목(예: "없음")을 선택된 상태로 인식할 수 있도록
+      // 항상 color 매칭으로 selectedPalette 를 계산한다.
       selectedPalette = palette.find((item) => item.color === value) ?? null;
     }
   }
 
   return (
-    <div className="flex flex-col gap-1 text-xs text-slate-400">
+    <div className="flex flex-col gap-1 text-xs text-slate-500 dark:text-slate-400">
       <span>{label}</span>
       <div className="flex items-center gap-2">
         <input
           type="color"
           aria-label={ariaLabelColorInput}
-          className="h-8 w-8 rounded border border-slate-700 bg-slate-900 p-0"
+          className="h-8 w-8 rounded border border-slate-300 bg-white p-0 dark:border-slate-700 dark:bg-slate-900"
           value={colorInputValue}
           onChange={handleColorInputChange}
         />
         <input
-          className="w-28 flex-none rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+          className="w-28 flex-none rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
           aria-label={ariaLabelHexInput}
-          placeholder="예: #ff0000"
+          placeholder={m.hexPlaceholder}
           value={value}
           onChange={handleHexInputChange}
         />
@@ -128,30 +135,32 @@ export function ColorPickerField({
           <div className="relative text-[11px] flex-none">
             <button
               type="button"
-              className="w-28 rounded border border-slate-800 bg-slate-950/60 flex items-center justify-between px-2 py-1 text-left"
+              className="w-28 rounded border border-slate-300 bg-white flex items-center justify-between px-2 py-1 text-left text-slate-900 dark:border-slate-800 dark:bg-slate-900 dark:text-slate-100"
               onClick={() => setOpen((prev) => !prev)}
             >
               <span className="flex items-center gap-1">
                 <span
-                  className="inline-block h-3 w-3 rounded-full"
+                  className="inline-block h-3 w-3 rounded-full border border-slate-300 dark:border-slate-700"
                   style={{ backgroundColor: selectedPalette?.color ?? value ?? "#ffffff" }}
                 />
-                <span className="truncate text-slate-200">
-                  {selectedPalette?.label ?? "색상 팔레트"}
+                <span className="truncate text-slate-700 dark:text-slate-100">
+                  {selectedPalette
+                    ? m.paletteLabels[selectedPalette.id] ?? selectedPalette.label
+                    : m.dropdownLabelDefault}
                 </span>
               </span>
-              <span className="text-slate-500 text-[10px]">▼</span>
+              <span className="text-slate-400 dark:text-slate-500 text-[10px]">▼</span>
             </button>
             {open ? (
-              <div className="absolute right-0 top-full mt-1 w-32 rounded border border-slate-800 bg-slate-950 max-h-40 overflow-auto z-10">
+              <div className="absolute right-0 top-full mt-1 w-32 rounded border border-slate-300 bg-white max-h-40 overflow-auto z-10 dark:border-slate-800 dark:bg-slate-950">
                 {palette.map((item) => (
                   <button
                     key={item.id}
                     type="button"
-                    className={`w-full flex items-center justify-between px-2 py-1 text-left text-[11px] border-b border-slate-900 last:border-b-0 ${
+                    className={`w-full flex items-center justify-between px-2 py-1 text-left text-[11px] border-b border-slate-200 last:border-b-0 dark:border-slate-800 ${
                       selectedPaletteId === item.id
-                        ? "bg-sky-900/40 text-sky-100"
-                        : "bg-transparent text-slate-300 hover:bg-slate-900/60"
+                        ? "bg-sky-100 text-sky-900 dark:bg-sky-900/40 dark:text-sky-100"
+                        : "bg-white text-slate-900 hover:bg-slate-100 dark:bg-slate-900 dark:text-slate-100 dark:hover:bg-slate-800"
                     }`}
                     onClick={(event) => {
                       event.stopPropagation();
@@ -161,10 +170,10 @@ export function ColorPickerField({
                   >
                     <span className="flex items-center gap-2">
                       <span
-                        className="inline-block h-3 w-3 rounded-full"
+                        className="inline-block h-3 w-3 rounded-full border border-slate-300 dark:border-slate-700"
                         style={{ backgroundColor: item.color }}
                       />
-                      <span>{item.label}</span>
+                      <span>{m.paletteLabels[item.id] ?? item.label}</span>
                     </span>
                   </button>
                 ))}

src/features/editor/components/NumericPropertyControl.tsx

@@ -60,7 +60,7 @@ export function NumericPropertyControl({
   };
 
   return (
-    <label className="flex flex-col gap-1 text-xs text-slate-400">
+    <label className="flex flex-col gap-1 text-xs text-slate-500 dark:text-slate-400">
       <span>
         {label}
         {unitLabel ? ` ${unitLabel}` : ""}
@@ -68,7 +68,7 @@ export function NumericPropertyControl({
       <div className="flex items-center gap-2">
         {presets && presets.length > 0 ? (
           <select
-            className="w-32 rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] outline-none focus:border-sky-500"
+            className="w-32 rounded border border-slate-300 bg-white px-2 py-1 text-[11px] text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
             aria-label={`${label} 프리셋`}
             value={currentPresetId}
             onChange={handlePresetChange}
@@ -84,7 +84,7 @@ export function NumericPropertyControl({
         <PropertySliderField
           label=""
           ariaLabelSlider={`${label} 슬라이더`}
-          ariaLabelInput={`${label} 커스텀${unitLabel ? ` ${unitLabel}` : ""}`}
+          ariaLabelInput={`${label} 커스텀`}
           value={Number.isFinite(value) ? value : 0}
           min={min}
           max={max}

src/features/editor/components/PropertySliderField.tsx

@@ -45,7 +45,7 @@ export function PropertySliderField({
   };
 
   return (
-    <label className="flex flex-col gap-1 text-xs text-slate-400">
+    <label className="flex flex-col gap-1 text-xs text-slate-500 dark:text-slate-400">
       <span>{label}</span>
       <div className="flex items-center gap-2">
         <input
@@ -60,7 +60,7 @@ export function PropertySliderField({
         />
       </div>
       <input
-        className="w-full rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+        className="w-full rounded border border-slate-300 bg-white px-2 py-1 text-xs text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
         aria-label={ariaLabelInput}
         value={Number.isFinite(value) ? value : ""}
         onChange={handleInputChange}

src/features/editor/utils/buttonHelpers.ts

@@ -18,6 +18,9 @@ export interface ButtonStyleInput {
   widthPx?: number | null | undefined;
   paddingX?: number | null | undefined;
   paddingY?: number | null | undefined;
+  fontSizeCustom?: string | null | undefined;
+  lineHeightCustom?: string | null | undefined;
+  letterSpacingCustom?: string | null | undefined;
   fillColorCustom?: string | null | undefined;
   strokeColorCustom?: string | null | undefined;
   textColorCustom?: string | null | undefined;
@@ -64,17 +67,17 @@ export function computeButtonPbTokens(input: ButtonStyleInput): ButtonPbTokens {
 
   const widthMode = input.widthMode ?? (input.fullWidth ? "full" : "auto");
   if (widthMode === "fixed" && typeof input.widthPx === "number" && input.widthPx > 0) {
-    inlineStyles.push(`width:${input.widthPx}px`);
+    inlineStyles.push(`width:${pxToEm(input.widthPx)}`);
   }
 
   if (typeof input.paddingX === "number") {
-    inlineStyles.push(`padding-left:${input.paddingX}px`);
-    inlineStyles.push(`padding-right:${input.paddingX}px`);
+    inlineStyles.push(`padding-left:${pxToEm(input.paddingX)}`);
+    inlineStyles.push(`padding-right:${pxToEm(input.paddingX)}`);
   }
 
   if (typeof input.paddingY === "number") {
-    inlineStyles.push(`padding-top:${input.paddingY}px`);
-    inlineStyles.push(`padding-bottom:${input.paddingY}px`);
+    inlineStyles.push(`padding-top:${pxToEm(input.paddingY)}`);
+    inlineStyles.push(`padding-bottom:${pxToEm(input.paddingY)}`);
   }
 
   if (input.fillColorCustom && input.fillColorCustom.trim() !== "") {
@@ -89,6 +92,42 @@ export function computeButtonPbTokens(input: ButtonStyleInput): ButtonPbTokens {
     inlineStyles.push(`color:${input.textColorCustom.trim()}`);
   }
 
+  if (input.fontSizeCustom && input.fontSizeCustom.trim() !== "") {
+    const fontSizeValue = input.fontSizeCustom.trim();
+    if (fontSizeValue.endsWith("px")) {
+      const fontSizeEm = convertPxStringToEm(fontSizeValue);
+      if (fontSizeEm) {
+        inlineStyles.push(`font-size:${fontSizeEm}`);
+      }
+    } else {
+      inlineStyles.push(`font-size:${fontSizeValue}`);
+    }
+  }
+
+  if (input.lineHeightCustom && input.lineHeightCustom.trim() !== "") {
+    const lineHeightValue = input.lineHeightCustom.trim();
+    if (lineHeightValue.endsWith("px")) {
+      const lineHeightEm = convertPxStringToEm(lineHeightValue);
+      if (lineHeightEm) {
+        inlineStyles.push(`line-height:${lineHeightEm}`);
+      }
+    } else {
+      inlineStyles.push(`line-height:${lineHeightValue}`);
+    }
+  }
+
+  if (input.letterSpacingCustom && input.letterSpacingCustom.trim() !== "") {
+    const letterSpacingValue = input.letterSpacingCustom.trim();
+    if (letterSpacingValue.endsWith("px")) {
+      const letterSpacingEm = convertPxStringToEm(letterSpacingValue);
+      if (letterSpacingEm) {
+        inlineStyles.push(`letter-spacing:${letterSpacingEm}`);
+      }
+    } else {
+      inlineStyles.push(`letter-spacing:${letterSpacingValue}`);
+    }
+  }
+
   return {
     alignClass,
     sizeClass,
@@ -153,11 +192,13 @@ export function computeButtonPublicTokens(props: ButtonBlockProps): ButtonPublic
   }
 
   if (typeof props.paddingX === "number" && props.paddingX >= 0) {
-    styleOverrides.paddingInline = pxToEm(props.paddingX);
+    const paddingEm = pxToEm(props.paddingX);
+    styleOverrides.paddingInline = paddingEm;
   }
 
   if (typeof props.paddingY === "number" && props.paddingY >= 0) {
-    styleOverrides.paddingBlock = pxToEm(props.paddingY);
+    const paddingEm = pxToEm(props.paddingY);
+    styleOverrides.paddingBlock = paddingEm;
   }
 
   if (props.fillColorCustom && props.fillColorCustom.trim() !== "") {

src/features/editor/utils/dividerHelpers.ts

@@ -19,8 +19,35 @@ export const computeDividerExportTokens = (
   const colorRaw = typeof props.colorHex === "string" ? props.colorHex.trim() : "";
   const color = colorRaw !== "" ? colorRaw : "#475569";
   const marginY = typeof props.marginYPx === "number" && props.marginYPx > 0 ? props.marginYPx : 16;
+  const marginEm = pxToEm(marginY);
 
-  const style = `border:0;border-bottom:${thickness} solid ${escapeAttr(color)};margin:${marginY}px 0;`;
+  const widthMode = props.widthMode ?? "full";
+  const align = props.align ?? "left";
+
+  const styleParts: string[] = [];
+  styleParts.push("border:0");
+  styleParts.push(`border-bottom:${thickness} solid ${escapeAttr(color)}`);
+  styleParts.push(`margin:${marginEm} 0`);
+
+  if (widthMode === "auto") {
+    styleParts.push("width:50%");
+  } else if (widthMode === "fixed") {
+    const widthPx =
+      typeof props.widthPx === "number" && props.widthPx > 0 ? props.widthPx : 320;
+    styleParts.push(`width:${pxToEm(widthPx)}`);
+  }
+
+  if (widthMode === "auto" || widthMode === "fixed") {
+    if (align === "center") {
+      styleParts.push("margin-left:auto");
+      styleParts.push("margin-right:auto");
+    } else if (align === "right") {
+      styleParts.push("margin-left:auto");
+      styleParts.push("margin-right:0");
+    }
+  }
+
+  const style = `${styleParts.join(";")};`;
 
   return { style };
 };

src/features/editor/utils/formHelpers.ts

@@ -42,6 +42,12 @@ const normalizeTextColor = (raw: unknown): string => {
   return trimmed !== "" ? trimmed : "";
 };
 
+// Export/Public 레이어용 모서리 둥글기 매핑
+// - none: 0px
+// - sm: 2px
+// - lg: 6px
+// - full: 9999px (완전 둥근 모서리)
+// - md(기본): 4px
 const computeRadiusPx = (radius: unknown): number => {
   const token = typeof radius === "string" ? radius : "md";
   if (token === "none") return 0;
@@ -51,6 +57,22 @@ const computeRadiusPx = (radius: unknown): number => {
   return 4;
 };
 
+// Editor 레이어용 모서리 둥글기 매핑
+// Export/Public 과 동일한 스케일을 사용하되, full 에 대해서만 pill 스타일(9999px)을 유지한다.
+// - none: 0px
+// - sm: 2px
+// - md: 4px (기본)
+// - lg: 6px
+// - full: 9999px
+const computeEditorRadiusPx = (radius: unknown): number => {
+  const token = typeof radius === "string" ? radius : "md";
+  if (token === "none") return 0;
+  if (token === "sm") return 2;
+  if (token === "lg") return 6;
+  if (token === "full") return 9999;
+  return 4;
+};
+
 const computeWidthMode = (props: { widthMode?: string; fullWidth?: boolean }): "auto" | "full" | "fixed" => {
   if (typeof props.widthMode === "string") {
     return props.widthMode as "auto" | "full" | "fixed";
@@ -84,25 +106,85 @@ export const computeFormInputExportTokens = (
   }
 
   if (typeof props.paddingX === "number" && props.paddingX >= 0) {
-    const px = props.paddingX;
-    inputStyleParts.push(`padding-left:${px}px`);
-    inputStyleParts.push(`padding-right:${px}px`);
+    const em = props.paddingX / 16;
+    inputStyleParts.push(`padding-left:${em}em`);
+    inputStyleParts.push(`padding-right:${em}em`);
   }
 
   if (typeof props.paddingY === "number" && props.paddingY >= 0) {
-    const py = props.paddingY;
-    inputStyleParts.push(`padding-top:${py}px`);
-    inputStyleParts.push(`padding-bottom:${py}px`);
+    const em = props.paddingY / 16;
+    inputStyleParts.push(`padding-top:${em}em`);
+    inputStyleParts.push(`padding-bottom:${em}em`);
   }
 
   const widthMode = computeWidthMode({ widthMode: props.widthMode, fullWidth: props.fullWidth });
   if (widthMode === "fixed" && typeof props.widthPx === "number" && props.widthPx > 0) {
-    inputStyleParts.push(`width:${props.widthPx}px`);
+    const em = props.widthPx / 16;
+    inputStyleParts.push(`width:${em}em`);
   }
 
-  const radiusPx = computeRadiusPx(props.borderRadius);
+  const radiusToken = typeof props.borderRadius === "string" ? props.borderRadius : "md";
+  let radiusPx = 4;
+  if (radiusToken === "none") {
+    radiusPx = 0;
+  } else if (radiusToken === "sm") {
+    radiusPx = 2;
+  } else if (radiusToken === "lg") {
+    radiusPx = 6;
+  } else if (radiusToken === "full") {
+    radiusPx = 9999;
+  }
   inputStyleParts.push(`border-radius:${radiusPx}px`);
 
+  // 폰트 관련 커스텀 값: px 단위일 경우 em 으로 변환하고, 그렇지 않으면 원문 값을 그대로 사용한다.
+  if (typeof props.fontSizeCustom === "string" && props.fontSizeCustom.trim() !== "") {
+    const raw = props.fontSizeCustom.trim();
+    if (raw.endsWith("px")) {
+      const match = raw.match(/-?\d+(?:\.\d+)?/);
+      if (match) {
+        const px = parseFloat(match[0]);
+        if (Number.isFinite(px)) {
+          const em = px / 16;
+          inputStyleParts.push(`font-size:${em}em`);
+        }
+      }
+    } else {
+      inputStyleParts.push(`font-size:${escapeAttr(raw)}`);
+    }
+  }
+
+  if (typeof props.lineHeightCustom === "string" && props.lineHeightCustom.trim() !== "") {
+    const raw = props.lineHeightCustom.trim();
+    if (raw.endsWith("px")) {
+      const match = raw.match(/-?\d+(?:\.\d+)?/);
+      if (match) {
+        const px = parseFloat(match[0]);
+        if (Number.isFinite(px)) {
+          const em = px / 16;
+          inputStyleParts.push(`line-height:${em}em`);
+        }
+      }
+    } else {
+      inputStyleParts.push(`line-height:${escapeAttr(raw)}`);
+    }
+  }
+
+  if (typeof props.letterSpacingCustom === "string" && props.letterSpacingCustom.trim() !== "") {
+    const raw = props.letterSpacingCustom.trim();
+    if (raw.endsWith("px")) {
+      const match = raw.match(/-?\d+(?:\.\d+)?/);
+      if (match) {
+        const px = parseFloat(match[0]);
+        if (Number.isFinite(px)) {
+          const em = px / 16;
+          inputStyleParts.push(`letter-spacing:${em}em`);
+        }
+      }
+    } else {
+      inputStyleParts.push(`letter-spacing:${escapeAttr(raw)}`);
+    }
+  }
+
   const inputStyleAttr = inputStyleParts.length > 0 ? ` style="${inputStyleParts.join(";")}"` : "";
 
   return {
@@ -127,19 +209,20 @@ export const computeFormSelectExportTokens = (
 
   const widthMode = computeWidthMode({ widthMode: props.widthMode, fullWidth: props.fullWidth });
   if (widthMode === "fixed" && typeof props.widthPx === "number" && props.widthPx > 0) {
-    selectStyleParts.push(`width:${props.widthPx}px`);
+    const em = props.widthPx / 16;
+    selectStyleParts.push(`width:${em}em`);
   }
 
   if (typeof props.paddingX === "number" && props.paddingX >= 0) {
-    const px = props.paddingX;
-    selectStyleParts.push(`padding-left:${px}px`);
-    selectStyleParts.push(`padding-right:${px}px`);
+    const em = props.paddingX / 16;
+    selectStyleParts.push(`padding-left:${em}em`);
+    selectStyleParts.push(`padding-right:${em}em`);
   }
 
   if (typeof props.paddingY === "number" && props.paddingY >= 0) {
-    const py = props.paddingY;
-    selectStyleParts.push(`padding-top:${py}px`);
-    selectStyleParts.push(`padding-bottom:${py}px`);
+    const em = props.paddingY / 16;
+    selectStyleParts.push(`padding-top:${em}em`);
+    selectStyleParts.push(`padding-bottom:${em}em`);
   }
 
   if (typeof props.fillColorCustom === "string" && props.fillColorCustom.trim() !== "") {
@@ -176,15 +259,15 @@ const computeOptionGroupExportTokensBase = (
   }
 
   if (typeof props.paddingX === "number" && props.paddingX >= 0) {
-    const px = props.paddingX;
-    optionStyleParts.push(`padding-left:${px}px`);
-    optionStyleParts.push(`padding-right:${px}px`);
+    const em = props.paddingX / 16;
+    optionStyleParts.push(`padding-left:${em}em`);
+    optionStyleParts.push(`padding-right:${em}em`);
   }
 
   if (typeof props.paddingY === "number" && props.paddingY >= 0) {
-    const py = props.paddingY;
-    optionStyleParts.push(`padding-top:${py}px`);
-    optionStyleParts.push(`padding-bottom:${py}px`);
+    const em = props.paddingY / 16;
+    optionStyleParts.push(`padding-top:${em}em`);
+    optionStyleParts.push(`padding-bottom:${em}em`);
   }
 
   if (typeof props.fillColorCustom === "string" && props.fillColorCustom.trim() !== "") {
@@ -252,13 +335,29 @@ export const computeFormInputEditorTokens = (props: FormInputBlockProps): FormIn
     fieldStyle.width = `${props.widthPx}px`;
   }
 
-  const radius = props.borderRadius ?? "md";
-  if (radius === "none") {
-    fieldStyle.borderRadius = 0;
-  } else if (radius === "sm") {
-    fieldStyle.borderRadius = 4;
-  } else if (radius === "lg" || radius === "full") {
-    fieldStyle.borderRadius = 9999;
+  // 모서리 둥글기: Editor 레이어에서는 lg/full 토큰을 pill 형태(9999px)로 사용한다.
+  const radiusPx = computeEditorRadiusPx(props.borderRadius);
+  fieldStyle.borderRadius = radiusPx;
+
+  // 에디터에서는 px 기반 padding/타이포 값을 그대로 fieldStyle 에 반영해 미리보기에서 변화가 보이도록 한다.
+  if (typeof props.paddingX === "number" && props.paddingX >= 0) {
+    fieldStyle.paddingInline = `${props.paddingX}px`;
+  }
+
+  if (typeof props.paddingY === "number" && props.paddingY >= 0) {
+    fieldStyle.paddingBlock = `${props.paddingY}px`;
+  }
+
+  if (props.fontSizeCustom && props.fontSizeCustom.trim() !== "") {
+    fieldStyle.fontSize = props.fontSizeCustom.trim();
+  }
+
+  if (props.lineHeightCustom && props.lineHeightCustom.trim() !== "") {
+    fieldStyle.lineHeight = props.lineHeightCustom.trim();
+  }
+
+  if (props.letterSpacingCustom && props.letterSpacingCustom.trim() !== "") {
+    fieldStyle.letterSpacing = props.letterSpacingCustom.trim();
   }
 
   const labelLayout = props.labelLayout ?? "stacked";
@@ -313,13 +412,40 @@ export const computeFormSelectEditorTokens = (props: FormSelectBlockProps): Form
     fieldStyle.width = `${props.widthPx}px`;
   }
 
-  const radius = props.borderRadius ?? "md";
-  if (radius === "none") {
-    fieldStyle.borderRadius = 0;
-  } else if (radius === "sm") {
-    fieldStyle.borderRadius = 4;
-  } else if (radius === "lg" || radius === "full") {
-    fieldStyle.borderRadius = 9999;
+  // 모서리 둥글기: formSelect 는 Export/Public 레이어와 동일한 스케일(0/2/4/6/9999px)을 사용해
+  // 에디터/프리뷰/퍼블릭 간 border-radius 가 일치하도록 한다.
+  const selectRadiusToken = props.borderRadius ?? "md";
+  const selectRadiusPx =
+    selectRadiusToken === "none"
+      ? 0
+      : selectRadiusToken === "sm"
+        ? 2
+        : selectRadiusToken === "lg"
+          ? 6
+          : selectRadiusToken === "full"
+            ? 9999
+            : 4;
+  fieldStyle.borderRadius = selectRadiusPx;
+
+  // 체크박스/라디오 그룹도 에디터에서 padding/타이포 스타일을 일부 반영해준다.
+  if (typeof props.paddingX === "number" && props.paddingX >= 0) {
+    fieldStyle.paddingInline = `${props.paddingX}px`;
+  }
+
+  if (typeof props.paddingY === "number" && props.paddingY >= 0) {
+    fieldStyle.paddingBlock = `${props.paddingY}px`;
+  }
+
+  if (props.fontSizeCustom && props.fontSizeCustom.trim() !== "") {
+    fieldStyle.fontSize = props.fontSizeCustom.trim();
+  }
+
+  if (props.lineHeightCustom && props.lineHeightCustom.trim() !== "") {
+    fieldStyle.lineHeight = props.lineHeightCustom.trim();
+  }
+
+  if (props.letterSpacingCustom && props.letterSpacingCustom.trim() !== "") {
+    fieldStyle.letterSpacing = props.letterSpacingCustom.trim();
   }
 
   return { fieldStyle };
@@ -345,13 +471,28 @@ export const computeFormOptionGroupEditorTokens = (
     fieldStyle.width = `${props.widthPx}px`;
   }
 
-  const radius = props.borderRadius ?? "md";
-  if (radius === "none") {
-    fieldStyle.borderRadius = 0;
-  } else if (radius === "sm") {
-    fieldStyle.borderRadius = 4;
-  } else if (radius === "lg" || radius === "full") {
-    fieldStyle.borderRadius = 9999;
+  // 모서리 둥글기: Editor 레이어에서는 lg/full 토큰을 pill 형태(9999px)로 사용한다.
+  const groupRadiusPx = computeEditorRadiusPx(props.borderRadius);
+  fieldStyle.borderRadius = groupRadiusPx;
+  
+  if (typeof props.paddingX === "number" && props.paddingX >= 0) {
+    fieldStyle.paddingInline = `${props.paddingX}px`;
+  }
+
+  if (typeof props.paddingY === "number" && props.paddingY >= 0) {
+    fieldStyle.paddingBlock = `${props.paddingY}px`;
+  }
+
+  if (props.fontSizeCustom && props.fontSizeCustom.trim() !== "") {
+    fieldStyle.fontSize = props.fontSizeCustom.trim();
+  }
+
+  if (props.lineHeightCustom && props.lineHeightCustom.trim() !== "") {
+    fieldStyle.lineHeight = props.lineHeightCustom.trim();
+  }
+
+  if (props.letterSpacingCustom && props.letterSpacingCustom.trim() !== "") {
+    fieldStyle.letterSpacing = props.letterSpacingCustom.trim();
   }
 
   return { fieldStyle };
@@ -471,23 +612,21 @@ export const computeFormInputPublicTokens = (props: FormInputBlockProps): FormIn
     }
   }
 
-  // 색상 관련 커스텀 값
+  // 색상 관련 커스텀 값: builder.css 의 pb-input 기본 색상을 덮어쓰지 않도록,
+  // 사용자가 커스텀 값을 설정했을 때에만 인라인 스타일을 적용한다.
   if (props.textColorCustom && props.textColorCustom.trim() !== "") {
     inputStyle.color = props.textColorCustom.trim();
-  } else {
-    inputStyle.color = "#f9fafb";
   }
 
   if (props.fillColorCustom && props.fillColorCustom.trim() !== "") {
     inputStyle.backgroundColor = props.fillColorCustom.trim();
-  } else {
-    inputStyle.backgroundColor = "#020617";
   }
 
   if (props.strokeColorCustom && props.strokeColorCustom.trim() !== "") {
-    inputStyle.borderColor = props.strokeColorCustom.trim();
-  } else {
-    inputStyle.borderColor = "#334155";
+    const borderColor = props.strokeColorCustom.trim();
+    inputStyle.borderColor = borderColor;
+    // 플로팅 라벨 패치가 필드 테두리 색을 참조할 수 있도록 CSS 변수에 전달한다.
+    (wrapperStyle as any)["--pb-input-border-color"] = borderColor;
   }
 
   if (typeof props.paddingX === "number" && props.paddingX >= 0) {
@@ -565,14 +704,12 @@ export const computeFormSelectPublicTokens = (props: FormSelectBlockProps): Form
     }
   }
 
-  // 텍스트 색상: textColorCustom 이 설정되어 있으면 해당 색상을 사용하고, 없으면 기본 밝은 텍스트 색상을 사용한다.
+  // 텍스트 색상: textColorCustom 이 설정되어 있으면 해당 색상을 사용하고,
+  // 없으면 builder.css 의 pb-select 기본 색상을 그대로 사용한다.
   if (props.textColorCustom && props.textColorCustom.trim() !== "") {
     const colorValue = props.textColorCustom.trim();
     wrapperStyle.color = colorValue;
     selectStyle.color = colorValue;
-  } else {
-    wrapperStyle.color = "#f9fafb";
-    selectStyle.color = "#f9fafb";
   }
 
   // 배경/테두리 색상: fillColorCustom/strokeColorCustom 이 있으면 select 에 적용한다.
@@ -630,6 +767,7 @@ const computeOptionGroupPublicTokensBase = (
   const textSizeClass = props.fontSizeCustom && props.fontSizeCustom.trim() !== "" ? "" : "text-xs";
 
   if (widthMode === "fixed" && typeof props.widthPx === "number" && props.widthPx > 0) {
+    // 퍼블릭 토큰에서는 고정 너비를 em 단위로 변환해 px 단위를 피한다.
     groupStyle.width = pxToEm(props.widthPx);
   }
 
@@ -679,9 +817,6 @@ const computeOptionGroupPublicTokensBase = (
     const colorValue = props.textColorCustom.trim();
     groupTextStyle.color = colorValue;
     optionTextStyle.color = colorValue;
-  } else {
-    groupTextStyle.color = "#e5e7eb";
-    optionTextStyle.color = "#e5e7eb";
   }
 
   if (typeof props.paddingX === "number" && props.paddingX >= 0) {
@@ -719,7 +854,12 @@ const computeOptionGroupPublicTokensBase = (
   optionContainerStyle.borderRadius = `${radiusPx}px`;
 
   if (typeof props.optionGapPx === "number" && props.optionGapPx >= 0) {
-    optionsStyle.rowGap = pxToEm(props.optionGapPx);
+    const gapPx = props.optionGapPx;
+    const gapEm = pxToEm(gapPx);
+    optionsStyle.rowGap = gapEm;
+    if ((props as any).optionLayout === "inline") {
+      optionsStyle.columnGap = gapEm;
+    }
   }
 
   return {
@@ -780,6 +920,10 @@ export const computeFormControllerPublicTokens = (
         .map((fieldBlock) => {
           const anyProps: any = fieldBlock.props ?? {};
 
+          const isRequired = Array.isArray(props.requiredFieldIds)
+            ? props.requiredFieldIds.includes(fieldBlock.id)
+            : false;
+
           if (fieldBlock.type === "formInput") {
             const name = anyProps.formFieldName ?? fieldBlock.id;
             const label = anyProps.label ?? anyProps.formFieldName ?? "입력 필드";
@@ -790,7 +934,7 @@ export const computeFormControllerPublicTokens = (
               label,
               // 기존 PublicPageRenderer 컨트롤러 로직과 동일하게 formInput 은 항상 type "text" 로 취급한다.
               type: "text",
-              required: Boolean(anyProps.required),
+              required: isRequired,
             } satisfies FormControllerFieldPublicConfig;
           }
 
@@ -805,7 +949,7 @@ export const computeFormControllerPublicTokens = (
               label,
               type: "select",
               options,
-              required: Boolean(anyProps.required),
+              required: isRequired,
             } satisfies FormControllerFieldPublicConfig;
           }
 
@@ -822,7 +966,7 @@ export const computeFormControllerPublicTokens = (
               options,
               groupLabelMode: anyProps.groupLabelMode,
               groupLabelImageUrl: anyProps.groupLabelImageUrl,
-              required: Boolean(anyProps.required),
+              required: isRequired,
             } satisfies FormControllerFieldPublicConfig;
           }
 
@@ -838,34 +982,29 @@ export const computeFormControllerPublicTokens = (
             options,
             groupLabelMode: anyProps.groupLabelMode,
             groupLabelImageUrl: anyProps.groupLabelImageUrl,
-            required: Boolean(anyProps.required),
+            required: isRequired,
           } satisfies FormControllerFieldPublicConfig;
         })
     : [];
 
-  const fields: FormControllerFieldPublicConfig[] =
-    hasControllerFields && controllerFields.length > 0
-      ? controllerFields
-      : Array.isArray(props.fields) && props.fields.length > 0
-        ? props.fields.map((field) => ({
-            id: field.id,
-            name: field.name,
-            label: field.label,
-            type: field.type,
-            required: field.required,
-          }))
-        : [];
+  // 프리뷰/퍼블릭 렌더러에서는 FormBlock 의 v1 fields 설정을 사용하지 않고,
+  // fieldIds 로 연결된 실제 폼 필드 블록들만 기반으로 폼 필드를 렌더링한다.
+  const fields: FormControllerFieldPublicConfig[] = controllerFields;
 
   const mappedSubmitButton = blocks.find(
     (b) => b.type === "button" && b.id === props.submitButtonId,
   );
   const mappedSubmitLabel = (mappedSubmitButton?.props as ButtonBlockProps | undefined)?.label ?? null;
 
-  // FormBlock 은 레이아웃/스타일을 가지지 않는 순수 컨트롤러이므로
-  // formClassName 은 고정 기본값만 사용하고, formStyle 은 항상 빈 객체로 유지한다.
+  // FormBlock 은 레이아웃/스타일을 가지지 않는 순수 컨트롤러이지만,
+  // 배경색 커스텀 값을 허용해 form 요소 배경만 제어할 수 있도록 한다.
   const formClassNames = ["space-y-3"];
   const formStyle: CSSProperties = {};
 
+  if (props.backgroundColorCustom && props.backgroundColorCustom.trim() !== "") {
+    formStyle.backgroundColor = props.backgroundColorCustom.trim();
+  }
+
   return {
     fields,
     formClassName: formClassNames.join(" "),

src/features/editor/utils/imageHelpers.ts

@@ -27,7 +27,8 @@ export function computeImageExportStyles(input: ImageExportStyleInput): ImageExp
 
   const widthMode: ImageWidthMode = input.widthMode ?? "auto";
   if (widthMode === "fixed" && typeof input.widthPx === "number" && input.widthPx > 0) {
-    imgStyleParts.push(`width:${input.widthPx}px`);
+    const widthEm = input.widthPx / 16;
+    imgStyleParts.push(`width:${widthEm}em`);
   }
 
   const radiusToken: ImageBorderRadiusToken = input.borderRadius ?? "md";

src/features/editor/utils/listHelpers.ts

@@ -5,6 +5,7 @@ export interface ListExportTokens {
   Tag: "ul" | "ol";
   items: string[];
   listStyleParts: string[];
+  gapEm: number;
 }
 
 export const computeListExportTokens = (props: ListBlockProps): ListExportTokens => {
@@ -37,6 +38,26 @@ export const computeListExportTokens = (props: ListBlockProps): ListExportTokens
   const align = alignToken === "center" ? "center" : alignToken === "right" ? "right" : "left";
 
   const listStyleParts: string[] = [`text-align:${align}`];
+
+  const bulletStyleRaw = props.bulletStyle ?? (props.ordered ? "decimal" : "disc");
+  const bulletStyle = bulletStyleRaw === "none" ? "none" : bulletStyleRaw;
+  listStyleParts.push(`list-style-type:${bulletStyle}`);
+
+  const gapPx =
+    typeof props.gapYPx === "number"
+      ? props.gapYPx
+      : props.gapY === "sm"
+        ? 4
+        : props.gapY === "lg"
+          ? 16
+          : 8;
+  const gapEm = gapPx / 16;
+
+  // 리스트 아이템 간 간격은 CSS 커스텀 프로퍼티 --pb-list-gap 으로 전달한다.
+  // 이렇게 하면 margin-bottom 계산은 builder.css 레이어에서만 수행되어,
+  // 정적 Export HTML 의 style 속성에 직접적인 margin-bottom 이 포함되지 않는다.
+  listStyleParts.push(`--pb-list-gap:${gapEm}em`);
+
   if (typeof props.backgroundColorCustom === "string" && props.backgroundColorCustom.trim() !== "") {
     listStyleParts.push(`background-color:${props.backgroundColorCustom.trim()}`);
   }
@@ -45,6 +66,7 @@ export const computeListExportTokens = (props: ListBlockProps): ListExportTokens
     Tag,
     items,
     listStyleParts,
+    gapEm,
   };
 };
 
@@ -106,7 +128,11 @@ const convertPxStringToEm = (value?: string | null) => {
 
 export const computeListPublicTokens = (props: ListBlockProps): ListPublicTokens => {
   const alignClass =
-    props.align === "center" ? "text-center" : props.align === "right" ? "text-right" : "text-left";
+    props.align === "center"
+      ? "pb-text-center"
+      : props.align === "right"
+        ? "pb-text-right"
+        : "pb-text-left";
 
   const bulletStyleRaw = props.bulletStyle ?? (props.ordered ? "decimal" : "disc");
 
@@ -134,7 +160,15 @@ export const computeListPublicTokens = (props: ListBlockProps): ListPublicTokens
     }
   }
   if (props.lineHeightCustom && props.lineHeightCustom.trim() !== "") {
-    listStyle.lineHeight = props.lineHeightCustom;
+    const lineHeightValue = props.lineHeightCustom.trim();
+    if (lineHeightValue.endsWith("px")) {
+      const lineHeightEm = convertPxStringToEm(lineHeightValue);
+      if (lineHeightEm) {
+        listStyle.lineHeight = lineHeightEm;
+      }
+    } else {
+      listStyle.lineHeight = lineHeightValue;
+    }
   }
   if (props.textColorCustom && props.textColorCustom.trim() !== "") {
     listStyle.color = props.textColorCustom;
@@ -143,6 +177,10 @@ export const computeListPublicTokens = (props: ListBlockProps): ListPublicTokens
     listStyle.backgroundColor = props.backgroundColorCustom.trim();
   }
 
+  // 리스트 아이템 간 여백을 CSS 변수로 노출한다. 실제 margin-bottom 은 builder.css 의
+  // .pb-list > li 규칙에서 --pb-list-gap 값을 참조해 계산한다.
+  (listStyle as any)["--pb-list-gap"] = `${gapEm}em`;
+
   const bulletStyle = bulletStyleRaw;
 
   return {

src/features/editor/utils/sectionHelpers.ts

@@ -1,9 +1,13 @@
 import type { CSSProperties } from "react";
 import type { SectionBlockProps } from "@/features/editor/state/editorStore";
 
+const pxToEm = (px: number, base = 16) => `${px / base}em`;
+
 export interface SectionExportTokens {
   sectionClasses: string;
   sectionStyleParts: string[];
+  innerWrapperStyleParts: string[];
+  columnsStyleParts: string[];
   backgroundVideoHtml: string;
 }
 
@@ -26,6 +30,8 @@ export function computeSectionExportTokens(props: SectionBlockProps): SectionExp
 
   const sectionClasses = ["pb-section", bgClass, pyClass].filter(Boolean).join(" ");
   const sectionStyleParts: string[] = [];
+  const innerWrapperStyleParts: string[] = [];
+  const columnsStyleParts: string[] = [];
 
   if (typeof props.backgroundColorCustom === "string" && props.backgroundColorCustom.trim() !== "") {
     sectionStyleParts.push(`background-color:${props.backgroundColorCustom.trim()}`);
@@ -65,6 +71,20 @@ export function computeSectionExportTokens(props: SectionBlockProps): SectionExp
     sectionStyleParts.push(`background-repeat:${repeat}`);
   }
 
+  if (typeof props.paddingYPx === "number" && props.paddingYPx > 0) {
+    const paddingEm = pxToEm(props.paddingYPx);
+    sectionStyleParts.push(`padding-top:${paddingEm}`);
+    sectionStyleParts.push(`padding-bottom:${paddingEm}`);
+  }
+
+  if (typeof props.maxWidthPx === "number" && props.maxWidthPx > 0) {
+    innerWrapperStyleParts.push(`max-width:${pxToEm(props.maxWidthPx)}`);
+  }
+
+  if (typeof props.gapXPx === "number" && props.gapXPx > 0) {
+    columnsStyleParts.push(`column-gap:${pxToEm(props.gapXPx)}`);
+  }
+
   const bgVideoSrc = props.backgroundVideoSrc;
   let backgroundVideoHtml = "";
   if (typeof bgVideoSrc === "string" && bgVideoSrc.trim() !== "") {
@@ -77,6 +97,8 @@ export function computeSectionExportTokens(props: SectionBlockProps): SectionExp
   return {
     sectionClasses,
     sectionStyleParts,
+    innerWrapperStyleParts,
+    columnsStyleParts,
     backgroundVideoHtml,
   };
 }
@@ -89,8 +111,6 @@ export interface SectionPublicTokens {
   backgroundVideoSrc: string | null;
 }
 
-const pxToEm = (px: number, base = 16) => `${px / base}em`;
-
 export function computeSectionPublicTokens(props: SectionBlockProps): SectionPublicTokens {
   const sectionStyle: CSSProperties = {};
 

src/features/editor/utils/textHelpers.ts

@@ -58,8 +58,10 @@ export function computeTextPbTokens(input: TextStyleInput): TextPbTokens {
     align === "center" ? "pb-text-center" : align === "right" ? "pb-text-right" : "pb-text-left";
 
   const fontSizeMode = input.fontSizeMode ?? "scale";
-  const fallbackScale: TextFontSizeScale = input.size === "sm" ? "sm" : input.size === "lg" ? "lg" : "base";
-  const fontSizeScale: TextFontSizeScale = (input.fontSizeScale as TextFontSizeScale | null) ?? fallbackScale;
+  const fallbackScale: TextFontSizeScale =
+    input.size === "sm" ? "sm" : input.size === "lg" ? "lg" : "base";
+  const fontSizeScale: TextFontSizeScale =
+    (input.fontSizeScale as TextFontSizeScale | null) ?? fallbackScale;
 
   const fontSizeMap: Record<TextFontSizeScale, string> = {
     xs: "pb-text-xs",
@@ -71,10 +73,9 @@ export function computeTextPbTokens(input: TextStyleInput): TextPbTokens {
     "3xl": "pb-text-3xl",
   };
 
-  const sizeClass =
-    fontSizeMode === "scale" && fontSizeScale && fontSizeMap[fontSizeScale]
-      ? fontSizeMap[fontSizeScale]
-      : "";
+  const sizeClass = fontSizeScale && fontSizeMap[fontSizeScale]
+    ? fontSizeMap[fontSizeScale]
+    : "";
 
   const lineHeightMode = input.lineHeightMode ?? "scale";
   const lineHeightScale: TextLineHeightScale = (input.lineHeightScale as TextLineHeightScale | null) ?? "normal";
@@ -276,6 +277,17 @@ export interface TextPublicTokens {
   styleOverrides: CSSProperties;
 }
 
+const pxToEm = (px: number, base = 16) => `${px / base}em`;
+
+const convertPxStringToEm = (value?: string | null) => {
+  if (!value) return null;
+  const match = value.trim().match(/-?\d+(?:\.\d+)?/);
+  if (!match) return null;
+  const px = parseFloat(match[0]);
+  if (!Number.isFinite(px)) return null;
+  return pxToEm(px);
+};
+
 export function computeTextPublicTokens(props: TextBlockProps): TextPublicTokens {
   const alignClass =
     props.align === "center"
@@ -308,7 +320,15 @@ export function computeTextPublicTokens(props: TextBlockProps): TextPublicTokens
     props.fontSizeCustom &&
     props.fontSizeCustom.trim() !== ""
   ) {
-    styleOverrides.fontSize = props.fontSizeCustom;
+    const fontSizeValue = props.fontSizeCustom.trim();
+    if (fontSizeValue.endsWith("px")) {
+      const fontSizeEm = convertPxStringToEm(fontSizeValue);
+      if (fontSizeEm) {
+        styleOverrides.fontSize = fontSizeEm;
+      }
+    } else {
+      styleOverrides.fontSize = fontSizeValue;
+    }
   }
 
   if (props.colorCustom && props.colorCustom.trim() !== "") {
@@ -319,6 +339,30 @@ export function computeTextPublicTokens(props: TextBlockProps): TextPublicTokens
     styleOverrides.backgroundColor = props.backgroundColorCustom.trim();
   }
 
+  if (props.lineHeightCustom && props.lineHeightCustom.trim() !== "") {
+    const lineHeightValue = props.lineHeightCustom.trim();
+    if (lineHeightValue.endsWith("px")) {
+      const lineHeightEm = convertPxStringToEm(lineHeightValue);
+      if (lineHeightEm) {
+        styleOverrides.lineHeight = lineHeightEm;
+      }
+    } else {
+      styleOverrides.lineHeight = lineHeightValue;
+    }
+  }
+
+  if (props.letterSpacingCustom && props.letterSpacingCustom.trim() !== "") {
+    const letterSpacingValue = props.letterSpacingCustom.trim();
+    if (letterSpacingValue.endsWith("px")) {
+      const letterSpacingEm = convertPxStringToEm(letterSpacingValue);
+      if (letterSpacingEm) {
+        styleOverrides.letterSpacing = letterSpacingEm;
+      }
+    } else {
+      styleOverrides.letterSpacing = letterSpacingValue;
+    }
+  }
+
   return {
     alignClass,
     sizeClass,

src/features/editor/utils/videoHelpers.ts

@@ -101,8 +101,9 @@ export function computeVideoExportTokens(
 
   const widthMode = props.widthMode ?? "auto";
   if (widthMode === "fixed" && typeof props.widthPx === "number" && props.widthPx > 0) {
-    wrapperStyleParts.push(`width:${props.widthPx}px`);
-    videoStyleParts.push(`width:${props.widthPx}px`);
+    const widthEm = pxToEm(props.widthPx);
+    wrapperStyleParts.push(`width:${widthEm}`);
+    videoStyleParts.push(`width:${widthEm}`);
   } else if (widthMode === "full") {
     wrapperStyleParts.push("width:100%");
     videoStyleParts.push("width:100%");
@@ -113,11 +114,11 @@ export function computeVideoExportTokens(
   }
 
   if (typeof props.cardPaddingPx === "number" && props.cardPaddingPx >= 0) {
-    wrapperStyleParts.push(`padding:${props.cardPaddingPx}px`);
+    wrapperStyleParts.push(`padding:${pxToEm(props.cardPaddingPx)}`);
   }
 
   if (typeof props.borderRadiusPx === "number" && props.borderRadiusPx >= 0) {
-    wrapperStyleParts.push(`border-radius:${props.borderRadiusPx}px`);
+    wrapperStyleParts.push(`border-radius:${pxToEm(props.borderRadiusPx)}`);
   }
 
   const align =

src/features/email/sendVerificationEmail.ts

@@ -0,0 +1,48 @@
+import nodemailer from "nodemailer";
+
+export type SendVerificationEmailParams = {
+  to: string;
+  token: string;
+};
+
+export async function sendVerificationEmail(params: SendVerificationEmailParams): Promise<void> {
+  const host = process.env.EMAIL_SERVER_HOST;
+  const portRaw = process.env.EMAIL_SERVER_PORT;
+  const user = process.env.EMAIL_SERVER_USER;
+  const pass = process.env.EMAIL_SERVER_PASSWORD;
+  const from = process.env.EMAIL_FROM ?? user;
+
+  if (!host || !user || !pass) {
+    throw new Error("Email server configuration is missing.");
+  }
+
+  const port = portRaw ? Number(portRaw) : 587;
+
+  const baseUrl =
+    process.env.NEXTAUTH_URL ?? process.env.APP_BASE_URL ?? "http://localhost:3000";
+  const verifyUrl = `${baseUrl}/api/auth/verify-email?token=${encodeURIComponent(
+    params.token,
+  )}`;
+
+  const transporter = nodemailer.createTransport({
+    host,
+    port,
+    secure: port === 465,
+    auth: {
+      user,
+      pass,
+    },
+  });
+
+  const subject = "이메일 인증을 완료해 주세요";
+  const text = `아래 링크를 클릭해서 이메일 인증을 완료해 주세요.\n\n${verifyUrl}\n\n이 링크는 1시간 후 만료됩니다.`;
+  const html = `<p>아래 링크를 클릭해서 이메일 인증을 완료해 주세요.</p><p><a href="${verifyUrl}">${verifyUrl}</a></p><p>이 링크는 1시간 후 만료됩니다.</p>`;
+
+  await transporter.sendMail({
+    from: from ?? undefined,
+    to: params.to,
+    subject,
+    text,
+    html,
+  });
+}

src/features/export/buildStaticHtml.ts

@@ -0,0 +1 @@
+export { buildStaticHtml } from "@/app/api/export/route";

src/features/i18n/LocaleProvider.tsx

@@ -0,0 +1,39 @@
+"use client";
+
+import type { ReactNode } from "react";
+import { createContext, useContext, useState } from "react";
+import type { AppLocale } from "./locale";
+import { DEFAULT_LOCALE } from "./locale";
+
+type LocaleContextValue = {
+  locale: AppLocale;
+  setLocale: (locale: AppLocale) => void;
+};
+
+const LocaleContext = createContext<LocaleContextValue>({
+  locale: DEFAULT_LOCALE,
+  setLocale: () => {
+    // no-op default
+  },
+});
+
+export function LocaleProvider({
+  initialLocale,
+  children,
+}: {
+  initialLocale: AppLocale;
+  children: ReactNode;
+}) {
+  const [locale, setLocale] = useState<AppLocale>(initialLocale);
+
+  return <LocaleContext.Provider value={{ locale, setLocale }}>{children}</LocaleContext.Provider>;
+}
+
+export function useAppLocale(): AppLocale {
+  return useContext(LocaleContext).locale;
+}
+
+export function useLocaleActions() {
+  const { setLocale } = useContext(LocaleContext);
+  return { setLocale };
+}

src/features/i18n/LocaleSwitcher.tsx

@@ -0,0 +1,37 @@
+"use client";
+
+import { useAppLocale, useLocaleActions } from "./LocaleProvider";
+import type { AppLocale } from "./locale";
+
+export function LocaleSwitcher() {
+  const locale = useAppLocale();
+  const { setLocale } = useLocaleActions();
+
+  const handleToggle = () => {
+    const nextLocale: AppLocale = locale === "en" ? "ko" : "en";
+    setLocale(nextLocale);
+
+    try {
+      const maxAgeSeconds = 60 * 60 * 24 * 365; // 1 year
+      document.cookie = `pb-locale=${nextLocale}; path=/; max-age=${maxAgeSeconds}`;
+    } catch {
+      // 쿠키 저장 실패는 무시 (로케일 상태는 여전히 컨텍스트에서 유지된다)
+    }
+  };
+
+  const labelText = locale === "en" ? "EN" : "KO";
+
+  return (
+    <div className="fixed bottom-4 right-4 z-50 text-xs">
+      <button
+        type="button"
+        aria-label="Toggle locale"
+        className="inline-flex items-center justify-center rounded-full border border-slate-300 bg-white/80 px-2 py-1 text-slate-700 shadow-sm backdrop-blur dark:border-slate-700 dark:bg-slate-900/80 dark:text-slate-100"
+        onClick={handleToggle}
+      >
+        {labelText}
+      </button>
+    </div>
+  );
+}
+

src/features/i18n/locale.ts

@@ -0,0 +1,22 @@
+export const SUPPORTED_LOCALES = ["en", "ko"] as const;
+export type AppLocale = (typeof SUPPORTED_LOCALES)[number];
+
+// 기본 로케일은 항상 en
+export const DEFAULT_LOCALE: AppLocale = "en";
+
+// Accept-Language 헤더 문자열에서 앱 로케일(en/ko)을 결정한다.
+// - ko 가 포함되어 있으면 ko
+// - 그렇지 않으면 기본(en)
+export function resolveLocaleFromAcceptLanguage(header: string | null | undefined): AppLocale {
+  if (!header) {
+    return DEFAULT_LOCALE;
+  }
+
+  const value = header.toLowerCase();
+
+  if (value.includes("ko")) {
+    return "ko";
+  }
+
+  return DEFAULT_LOCALE;
+}

src/features/i18n/messages/auth.ts

@@ -0,0 +1,120 @@
+import type { AppLocale } from "../locale";
+import { DEFAULT_LOCALE } from "../locale";
+
+export type LoginMessages = {
+  title: string;
+  description: string;
+  emailLabel: string;
+  passwordLabel: string;
+  submitIdle: string;
+  submitLoading: string;
+  themeToggleLabel: string;
+  errorLoginFailed: string;
+  errorNetwork: string;
+  signupPromptPrefix: string;
+  signupLinkText: string;
+  signupPromptSuffix: string;
+};
+
+export type SignupMessages = {
+  title: string;
+  description: string;
+  emailLabel: string;
+  passwordLabel: string;
+  passwordConfirmLabel: string;
+  submitIdle: string;
+  submitLoading: string;
+  mismatchError: string;
+  signupFailedFallbackError: string;
+  errorNetwork: string;
+  passwordStrengthPrefix: string;
+  passwordStrengthWeak: string;
+  passwordStrengthMedium: string;
+  passwordStrengthStrong: string;
+  loginPromptPrefix: string;
+  loginLinkText: string;
+  loginPromptSuffix: string;
+};
+
+export type AuthMessages = {
+  login: LoginMessages;
+  signup: SignupMessages;
+};
+
+const AUTH_MESSAGES: Record<AppLocale, AuthMessages> = {
+  en: {
+    login: {
+      title: "Log in",
+      description: "Sign in to manage and save your projects.",
+      emailLabel: "Email",
+      passwordLabel: "Password",
+      submitIdle: "Log in",
+      submitLoading: "Logging in...",
+      themeToggleLabel: "Toggle theme",
+      errorLoginFailed: "Failed to log in. Please try again.",
+      errorNetwork: "A network error occurred. Please try again later.",
+      signupPromptPrefix: "Don't have an account yet?",
+      signupLinkText: "Sign up",
+      signupPromptSuffix: "",
+    },
+    signup: {
+      title: "Sign up",
+      description: "Create a new account to save and manage your projects.",
+      emailLabel: "Email",
+      passwordLabel: "Password",
+      passwordConfirmLabel: "Confirm password",
+      submitIdle: "Sign up",
+      submitLoading: "Signing up...",
+      mismatchError: "Password and confirmation do not match.",
+      signupFailedFallbackError: "Failed to sign up. Please try again.",
+      errorNetwork: "A network error occurred. Please try again later.",
+      passwordStrengthPrefix: "Password strength:",
+      passwordStrengthWeak: "Weak",
+      passwordStrengthMedium: "Medium",
+      passwordStrengthStrong: "Strong",
+      loginPromptPrefix: "Already have an account?",
+      loginLinkText: "Log in",
+      loginPromptSuffix: "",
+    },
+  },
+  ko: {
+    login: {
+      title: "로그인",
+      description: "프로젝트를 관리하려면 먼저 계정으로 로그인하세요.",
+      emailLabel: "이메일",
+      passwordLabel: "비밀번호",
+      submitIdle: "로그인",
+      submitLoading: "로그인 중...",
+      themeToggleLabel: "테마 전환",
+      errorLoginFailed: "로그인에 실패했습니다. 다시 시도해 주세요.",
+      errorNetwork: "네트워크 오류가 발생했습니다. 잠시 후 다시 시도해 주세요.",
+      signupPromptPrefix: "아직 계정이 없다면",
+      signupLinkText: "회원가입",
+      signupPromptSuffix: "을 진행해 주세요.",
+    },
+    signup: {
+      title: "회원가입",
+      description: "새 계정을 생성한 뒤 프로젝트를 저장하고 관리할 수 있습니다.",
+      emailLabel: "이메일",
+      passwordLabel: "비밀번호",
+      passwordConfirmLabel: "비밀번호 확인",
+      submitIdle: "회원가입",
+      submitLoading: "회원가입 중...",
+      mismatchError: "비밀번호와 비밀번호 확인이 일치하지 않습니다.",
+      signupFailedFallbackError: "회원가입에 실패했습니다. 다시 시도해 주세요.",
+      errorNetwork: "네트워크 오류가 발생했습니다. 잠시 후 다시 시도해 주세요.",
+      passwordStrengthPrefix: "비밀번호 난이도:",
+      passwordStrengthWeak: "약함",
+      passwordStrengthMedium: "보통",
+      passwordStrengthStrong: "강함",
+      loginPromptPrefix: "이미 계정이 있다면",
+      loginLinkText: "로그인",
+      loginPromptSuffix: "으로 이동해 주세요.",
+    },
+  },
+};
+
+export function getAuthMessages(locale: AppLocale | null | undefined): AuthMessages {
+  const key = (locale ?? DEFAULT_LOCALE) as AppLocale;
+  return AUTH_MESSAGES[key] ?? AUTH_MESSAGES[DEFAULT_LOCALE];
+}

src/features/i18n/messages/dashboard.ts

@@ -0,0 +1,112 @@
+import type { AppLocale } from "../locale";
+import { DEFAULT_LOCALE } from "../locale";
+
+// 대시보드/프로젝트 목록/전체 제출 내역 상단 GNB 및 헤더용 i18n 메시지
+// - 로그인/회원가입과 동일하게 en(기본), ko 를 지원한다.
+
+export type DashboardMessages = {
+  // 메인 대시보드 헤더 제목/설명
+  title: string;
+  description: string;
+  // 상단 GNB 탭 레이블
+  navDashboard: string;
+  navProjects: string;
+  navSubmissions: string;
+  navReports?: string;
+  // 헤더 오른쪽 액션 버튼/메뉴
+  themeToggleLabel: string;
+  menuLabel: string;
+  logoutLabel: string;
+  myPageLabel: string;
+  emailNotVerifiedBanner: string;
+  summaryTotalProjectsLabel: string;
+  summaryTotalSubmissionsLabel: string;
+  summaryTodaySubmissionsLabel: string;
+  summaryLast7DaysSubmissionsLabel: string;
+  chartTitle: string;
+  chartSubtitle: string;
+  chartEmptyLabel: string;
+  sectionProjectsTitle: string;
+  sectionProjectsEmpty: string;
+  projectTotalSubmissionsPrefix: string;
+  projectTotalSubmissionsSuffix: string;
+  projectLatestSubmissionPrefix: string;
+  projectLatestSubmissionEmpty: string;
+  projectViewSubmissionsLink: string;
+  projectOpenPublicPageLink: string;
+  errorUnauthorized: string;
+  errorGeneric: string;
+  loadingText: string;
+};
+
+const DASHBOARD_MESSAGES: Record<AppLocale, DashboardMessages> = {
+  en: {
+    title: "Dashboard",
+    description: "A quick overview of your projects and form submissions.",
+    navDashboard: "Dashboard",
+    navProjects: "Projects",
+    navSubmissions: "All submissions",
+    navReports: "Reports",
+    themeToggleLabel: "Toggle theme",
+    menuLabel: "Menu",
+    logoutLabel: "Log out",
+    myPageLabel: "My page",
+    emailNotVerifiedBanner: "Your email is not verified yet.",
+    summaryTotalProjectsLabel: "Projects",
+    summaryTotalSubmissionsLabel: "Total form submissions",
+    summaryTodaySubmissionsLabel: "Submissions today",
+    summaryLast7DaysSubmissionsLabel: "Submissions in last 7 days",
+    chartTitle: "Recent submissions (daily)",
+    chartSubtitle: "Only dates with recent activity are shown.",
+    chartEmptyLabel: "No daily submission data yet.",
+    sectionProjectsTitle: "Submissions by project",
+    sectionProjectsEmpty: "No projects created yet or no submissions have been received.",
+    projectTotalSubmissionsPrefix: "Total ",
+    projectTotalSubmissionsSuffix: " submissions",
+    projectLatestSubmissionPrefix: "Last submission:",
+    projectLatestSubmissionEmpty: "No submissions yet",
+    projectViewSubmissionsLink: "View form submissions",
+    projectOpenPublicPageLink: "Open public page",
+    errorUnauthorized: "You need to be signed in to view the dashboard. Please log in again.",
+    errorGeneric: "An error occurred while loading the dashboard. Please try again later.",
+    loadingText: "Loading dashboard data...",
+  },
+  ko: {
+    title: "대시보드",
+    description: "프로젝트와 폼 제출 현황을 한눈에 확인할 수 있는 요약 화면입니다.",
+    navDashboard: "대시보드",
+    navProjects: "프로젝트 목록",
+    navSubmissions: "전체 제출 내역",
+    navReports: "리포트",
+    themeToggleLabel: "테마 전환",
+    menuLabel: "메뉴",
+    logoutLabel: "로그아웃",
+    myPageLabel: "마이페이지",
+    emailNotVerifiedBanner: "이메일 인증이 아직 완료되지 않았습니다.",
+    summaryTotalProjectsLabel: "프로젝트 수",
+    summaryTotalSubmissionsLabel: "전체 폼 제출 수",
+    summaryTodaySubmissionsLabel: "오늘 제출 수",
+    summaryLast7DaysSubmissionsLabel: "최근 7일 제출 수",
+    chartTitle: "최근 제출 추이 (일별)",
+    chartSubtitle: "최근 활동이 있는 날짜만 표시됩니다.",
+    chartEmptyLabel: "아직 일별 제출 내역이 없습니다.",
+    sectionProjectsTitle: "프로젝트별 제출 현황",
+    sectionProjectsEmpty: "아직 생성된 프로젝트가 없거나 제출 내역이 없습니다.",
+    projectTotalSubmissionsPrefix: "총 제출 ",
+    projectTotalSubmissionsSuffix: "건",
+    projectLatestSubmissionPrefix: "최근 제출:",
+    projectLatestSubmissionEmpty: "제출 내역 없음",
+    projectViewSubmissionsLink: "폼 제출 내역 보기",
+    projectOpenPublicPageLink: "퍼블릭 페이지 열기",
+    errorUnauthorized:
+      "대시보드를 보려면 로그인이 필요합니다. 다시 로그인해 주세요.",
+    errorGeneric:
+      "대시보드 데이터를 불러오는 중 오류가 발생했습니다. 잠시 후 다시 시도해 주세요.",
+    loadingText: "대시보드 데이터를 불러오는 중입니다...",
+  },
+};
+
+export function getDashboardMessages(locale: AppLocale | null | undefined): DashboardMessages {
+  const key = (locale ?? DEFAULT_LOCALE) as AppLocale;
+  return DASHBOARD_MESSAGES[key] ?? DASHBOARD_MESSAGES[DEFAULT_LOCALE];
+}

src/features/i18n/messages/editor.ts

@@ -0,0 +1,164 @@
+import type { AppLocale } from "../locale";
+import { DEFAULT_LOCALE } from "../locale";
+
+export type EditorMessages = {
+  headerTitle: string;
+  headerDescription: string;
+  navProjects: string;
+  navPreview: string;
+  undoLabel: string;
+  redoLabel: string;
+  menuLabel: string;
+  menuProjectSaveLoad: string;
+  menuJsonImportExport: string;
+  menuExportZip: string;
+  menuClearCanvas: string;
+  menuDeleteProject: string;
+  confirmClearCanvas: string;
+  confirmDeleteProject: string;
+  modalProjectTitle: string;
+  modalProjectTitleLabel: string;
+  modalProjectSlugLabel: string;
+  modalSaveButton: string;
+  modalLoadButton: string;
+  projectMessageSlugRequired: string;
+  projectMessageSaveFailed: string;
+  projectMessageSaveError: string;
+  projectMessageSaveSuccessPrefix: string;
+  projectMessageLoadSlugRequired: string;
+  projectMessageLoadFailed: string;
+  projectMessageLoadLocalSuccessPrefix: string;
+  projectMessageLoadServerSuccessPrefix: string;
+  projectMessageInvalidFormat: string;
+  projectMessageLoadError: string;
+  projectMessageDeleteSlugMissing: string;
+  projectMessageDeleteFailed: string;
+  projectMessageDeleteSuccess: string;
+  projectMessageDeleteError: string;
+  jsonModalTitle: string;
+  jsonModalSubtitle: string;
+  jsonExportButton: string;
+  jsonClearCanvasButton: string;
+  jsonEditorStateLabel: string;
+  jsonImportLabel: string;
+  jsonApplyButton: string;
+  listItemToolbarMoveUpLabel: string;
+  listItemToolbarMoveDownLabel: string;
+  listItemToolbarIndentLabel: string;
+  listItemToolbarOutdentLabel: string;
+
+  imageBlockEmptyPreviewPlaceholder: string;
+  columnAreaLabel: string;
+};
+
+const EDITOR_MESSAGES: Record<AppLocale, EditorMessages> = {
+  en: {
+    headerTitle: "Page Editor",
+    headerDescription: "Build and edit your landing pages with a visual editor.",
+    navProjects: "Projects",
+    navPreview: "Open preview",
+    undoLabel: "Undo",
+    redoLabel: "Redo",
+    menuLabel: "Menu",
+    menuProjectSaveLoad: "Save / load project",
+    menuJsonImportExport: "JSON export / import",
+    menuExportZip: "Export as page files (ZIP)",
+    menuClearCanvas: "Clear canvas",
+    menuDeleteProject: "Delete project",
+    confirmClearCanvas:
+      "Clear all blocks on the canvas? This can only be undone with the undo history.",
+    confirmDeleteProject:
+      "Delete the current project? This cannot be undone. Local and autosave data will also be removed.",
+    modalProjectTitle: "Save / load project",
+    modalProjectTitleLabel: "Project title",
+    modalProjectSlugLabel: "Project address (e.g. my-landing)",
+    modalSaveButton: "Save (local + server)",
+    modalLoadButton: "Load",
+    projectMessageSlugRequired: "Please enter a project address.",
+    projectMessageSaveFailed: "Failed to save the project.",
+    projectMessageSaveError: "An error occurred while saving the project.",
+    projectMessageSaveSuccessPrefix: "Project saved: ",
+    projectMessageLoadSlugRequired: "Please enter an address to load.",
+    projectMessageLoadFailed: "Failed to load the project.",
+    projectMessageLoadLocalSuccessPrefix: "Loaded project from local: ",
+    projectMessageLoadServerSuccessPrefix: "Loaded project from server: ",
+    projectMessageInvalidFormat: "Project data format is invalid.",
+    projectMessageLoadError: "An error occurred while loading the project.",
+    projectMessageDeleteSlugMissing: "There is no project address to delete.",
+    projectMessageDeleteFailed: "Failed to delete the project.",
+    projectMessageDeleteSuccess: "Project deleted.",
+    projectMessageDeleteError: "An error occurred while deleting the project.",
+    jsonModalTitle: "JSON Export / Import",
+    jsonModalSubtitle: "* Import or export the current editor state as JSON.",
+    jsonExportButton: "Export JSON",
+    jsonClearCanvasButton: "Clear canvas",
+    jsonEditorStateLabel: "Editor state JSON",
+    jsonImportLabel: "Import from JSON",
+    jsonApplyButton: "Apply JSON",
+    listItemToolbarMoveUpLabel: "Move item up",
+    listItemToolbarMoveDownLabel: "Move item down",
+    listItemToolbarIndentLabel: "Indent item",
+    listItemToolbarOutdentLabel: "Outdent item",
+
+    imageBlockEmptyPreviewPlaceholder:
+      "Enter an image URL or upload a file to see the preview here.",
+    columnAreaLabel: "Column area",
+  },
+  ko: {
+    headerTitle: "페이지 에디터",
+    headerDescription: "랜딩 페이지를 시각적으로 구성할 수 있는 에디터입니다.",
+    navProjects: "프로젝트 목록",
+    navPreview: "프리뷰 열기",
+    undoLabel: "실행 취소",
+    redoLabel: "다시 실행",
+    menuLabel: "메뉴",
+    menuProjectSaveLoad: "프로젝트 저장/불러오기",
+    menuJsonImportExport: "JSON 내보내기/불러오기",
+    menuExportZip: "페이지 파일로 내보내기 (ZIP)",
+    menuClearCanvas: "캔버스 초기화",
+    menuDeleteProject: "프로젝트 삭제",
+    confirmClearCanvas:
+      "캔버스를 모두 초기화할까요? 이 작업은 실행 취소 히스토리로만 되돌릴 수 있습니다.",
+    confirmDeleteProject:
+      "현재 프로젝트를 삭제할까요? 삭제 후에는 되돌릴 수 없습니다. (로컬 저장 및 자동저장 데이터도 함께 삭제됩니다.)",
+    modalProjectTitle: "프로젝트 저장 / 불러오기",
+    modalProjectTitleLabel: "프로젝트 제목",
+    modalProjectSlugLabel: "프로젝트 주소 (예: my-landing)",
+    modalSaveButton: "저장 (로컬 + 서버)",
+    modalLoadButton: "불러오기",
+    projectMessageSlugRequired: "프로젝트 주소를 입력해 주세요.",
+    projectMessageSaveFailed: "프로젝트 저장에 실패했습니다.",
+    projectMessageSaveError: "프로젝트 저장 중 오류가 발생했습니다.",
+    projectMessageSaveSuccessPrefix: "프로젝트가 저장되었습니다: ",
+    projectMessageLoadSlugRequired: "불러올 주소를 입력해 주세요.",
+    projectMessageLoadFailed: "프로젝트를 불러오지 못했습니다.",
+    projectMessageLoadLocalSuccessPrefix: "로컬에서 프로젝트를 불러왔습니다: ",
+    projectMessageLoadServerSuccessPrefix: "프로젝트를 불러왔습니다: ",
+    projectMessageInvalidFormat: "프로젝트 데이터 형식이 올바르지 않습니다.",
+    projectMessageLoadError: "프로젝트 불러오기 중 오류가 발생했습니다.",
+    projectMessageDeleteSlugMissing: "삭제할 프로젝트 주소가 없습니다.",
+    projectMessageDeleteFailed: "프로젝트 삭제에 실패했습니다.",
+    projectMessageDeleteSuccess: "프로젝트가 삭제되었습니다.",
+    projectMessageDeleteError: "프로젝트 삭제 중 오류가 발생했습니다.",
+    jsonModalTitle: "JSON Export / Import",
+    jsonModalSubtitle: "* 에디터 내용을 가져오거나 내보낼 수 있습니다.",
+    jsonExportButton: "JSON 내보내기",
+    jsonClearCanvasButton: "캔버스 초기화",
+    jsonEditorStateLabel: "에디터 상태 JSON",
+    jsonImportLabel: "JSON에서 불러오기",
+    jsonApplyButton: "JSON 적용하기",
+    listItemToolbarMoveUpLabel: "아이템 위로 이동",
+    listItemToolbarMoveDownLabel: "아이템 아래로 이동",
+    listItemToolbarIndentLabel: "아이템 들여쓰기",
+    listItemToolbarOutdentLabel: "아이템 내어쓰기",
+
+    imageBlockEmptyPreviewPlaceholder:
+      "이미지 URL 을 입력하거나 파일을 업로드하면 여기에서 미리보기가 표시됩니다.",
+    columnAreaLabel: "컬럼 영역",
+  },
+};
+
+export function getEditorMessages(locale: AppLocale | null | undefined): EditorMessages {
+  const key = (locale ?? DEFAULT_LOCALE) as AppLocale;
+  return EDITOR_MESSAGES[key] ?? EDITOR_MESSAGES[DEFAULT_LOCALE];
+}

src/features/i18n/messages/editorBlockDefaults.ts

@@ -0,0 +1,121 @@
+import type { AppLocale } from "../locale";
+import { DEFAULT_LOCALE } from "../locale";
+
+export type EditorBlockDefaultsMessages = {
+  text: {
+    defaultText: string;
+  };
+  list: {
+    firstItemText: string;
+  };
+  button: {
+    label: string;
+  };
+  form: {
+    nameLabel: string;
+    emailLabel: string;
+    messageLabel: string;
+    successMessage: string;
+    errorMessage: string;
+  };
+  formInput: {
+    label: string;
+  };
+  formSelect: {
+    label: string;
+    option1Label: string;
+    option2Label: string;
+  };
+  formCheckbox: {
+    groupLabel: string;
+    option1Label: string;
+    option2Label: string;
+  };
+  formRadio: {
+    groupLabel: string;
+    optionALabel: string;
+    optionBLabel: string;
+  };
+};
+
+const EDITOR_BLOCK_DEFAULTS_MESSAGES: Record<AppLocale, EditorBlockDefaultsMessages> = {
+  en: {
+    text: {
+      defaultText: "New text",
+    },
+    list: {
+      firstItemText: "List item 1",
+    },
+    button: {
+      label: "Button",
+    },
+    form: {
+      nameLabel: "Name",
+      emailLabel: "Email",
+      messageLabel: "Message",
+      successMessage: "Your message has been sent successfully.",
+      errorMessage: "An error occurred while submitting.",
+    },
+    formInput: {
+      label: "Input field",
+    },
+    formSelect: {
+      label: "Select field",
+      option1Label: "Option 1",
+      option2Label: "Option 2",
+    },
+    formCheckbox: {
+      groupLabel: "Checkbox group",
+      option1Label: "Check 1",
+      option2Label: "Check 2",
+    },
+    formRadio: {
+      groupLabel: "Radio group",
+      optionALabel: "Option A",
+      optionBLabel: "Option B",
+    },
+  },
+  ko: {
+    text: {
+      defaultText: "새 텍스트",
+    },
+    list: {
+      firstItemText: "리스트 아이템 1",
+    },
+    button: {
+      label: "버튼",
+    },
+    form: {
+      nameLabel: "이름",
+      emailLabel: "이메일",
+      messageLabel: "메시지",
+      successMessage: "성공적으로 전송되었습니다.",
+      errorMessage: "전송 중 오류가 발생했습니다.",
+    },
+    formInput: {
+      label: "입력 필드",
+    },
+    formSelect: {
+      label: "셀렉트 필드",
+      option1Label: "옵션 1",
+      option2Label: "옵션 2",
+    },
+    formCheckbox: {
+      groupLabel: "체크박스 그룹",
+      option1Label: "옵션 1",
+      option2Label: "옵션 2",
+    },
+    formRadio: {
+      groupLabel: "라디오 그룹",
+      optionALabel: "옵션 A",
+      optionBLabel: "옵션 B",
+    },
+  },
+};
+
+export function getEditorBlockDefaultsMessages(
+  locale: AppLocale | null | undefined,
+): EditorBlockDefaultsMessages {
+  const key = (locale ?? DEFAULT_LOCALE) as AppLocale;
+  return EDITOR_BLOCK_DEFAULTS_MESSAGES[key] ?? EDITOR_BLOCK_DEFAULTS_MESSAGES[DEFAULT_LOCALE];
+}

src/features/i18n/messages/editorButtonPanel.ts

@@ -0,0 +1,286 @@
+import type { AppLocale } from "../locale";
+import { DEFAULT_LOCALE } from "../locale";
+
+export type EditorButtonPanelMessages = {
+  buttonTextLabel: string;
+  buttonTextAria: string;
+
+  imageSectionTitle: string;
+  imageSourceLabel: string;
+  imageSourceAria: string;
+  imageSourceOptionNone: string;
+  imageSourceOptionUrl: string;
+  imageSourceOptionUpload: string;
+
+  imageUrlLabel: string;
+  imageUrlAria: string;
+  imageUploadLabel: string;
+  imageUploadAria: string;
+
+  imageAltLabel: string;
+  imageAltAria: string;
+
+  imagePlacementLabel: string;
+  imagePlacementAria: string;
+  imagePlacementOptionLeft: string;
+  imagePlacementOptionRight: string;
+  imagePlacementOptionTop: string;
+  imagePlacementOptionBottom: string;
+
+  paddingXLabel: string;
+  paddingYLabel: string;
+
+  linkLabel: string;
+  linkAria: string;
+
+  alignLabel: string;
+  alignAria: string;
+  alignOptionLeft: string;
+  alignOptionCenter: string;
+  alignOptionRight: string;
+
+  textColorLabel: string;
+  textColorPickerAria: string;
+  textColorHexAria: string;
+
+  styleLabel: string;
+  styleAria: string;
+  styleOptionSolid: string;
+  styleOptionOutline: string;
+  styleOptionGhost: string;
+
+  fillColorLabel: string;
+  fillColorPickerAria: string;
+  fillColorHexAria: string;
+
+  strokeColorLabel: string;
+  strokeColorPickerAria: string;
+  strokeColorHexAria: string;
+
+  borderRadiusLabel: string;
+  borderRadiusPresetNone: string;
+  borderRadiusPresetSmall: string;
+  borderRadiusPresetMedium: string;
+  borderRadiusPresetLarge: string;
+  borderRadiusPresetFull: string;
+
+  widthModeLabel: string;
+  widthModeAria: string;
+  widthModeOptionAuto: string;
+  widthModeOptionFull: string;
+  widthModeOptionFixed: string;
+
+  fixedWidthLabel: string;
+  fixedWidthUnitLabel: string;
+  fixedWidthPresetSmall: string;
+  fixedWidthPresetMedium: string;
+  fixedWidthPresetLarge: string;
+
+  fontSizeLabel: string;
+  fontSizeUnitLabel: string;
+
+  lineHeightLabel: string;
+  lineHeightPresetTight: string;
+  lineHeightPresetNormal: string;
+  lineHeightPresetRelaxed: string;
+
+  letterSpacingLabel: string;
+  letterSpacingUnitLabel: string;
+  letterSpacingPresetTighter: string;
+  letterSpacingPresetTight: string;
+  letterSpacingPresetNormal: string;
+  letterSpacingPresetWide: string;
+  letterSpacingPresetWider: string;
+};
+
+const EDITOR_BUTTON_PANEL_MESSAGES: Record<AppLocale, EditorButtonPanelMessages> = {
+  en: {
+    buttonTextLabel: "Button text",
+    buttonTextAria: "Button text",
+
+    imageSectionTitle: "Button image",
+    imageSourceLabel: "Button image source",
+    imageSourceAria: "Button image source",
+    imageSourceOptionNone: "None",
+    imageSourceOptionUrl: "URL",
+    imageSourceOptionUpload: "File upload",
+
+    imageUrlLabel: "Button image URL",
+    imageUrlAria: "Button image URL",
+    imageUploadLabel: "Button image file upload",
+    imageUploadAria: "Button image file upload",
+
+    imageAltLabel: "Button image alt text",
+    imageAltAria: "Button image alt text",
+
+    imagePlacementLabel: "Button image placement",
+    imagePlacementAria: "Button image placement",
+    imagePlacementOptionLeft: "Text left",
+    imagePlacementOptionRight: "Text right",
+    imagePlacementOptionTop: "Text top",
+    imagePlacementOptionBottom: "Text bottom",
+
+    paddingXLabel: "Horizontal padding",
+    paddingYLabel: "Vertical padding",
+
+    linkLabel: "Button link",
+    linkAria: "Button link",
+
+    alignLabel: "Alignment",
+    alignAria: "Button alignment",
+    alignOptionLeft: "Left",
+    alignOptionCenter: "Center",
+    alignOptionRight: "Right",
+
+    textColorLabel: "Text color",
+    textColorPickerAria: "Button text color picker",
+    textColorHexAria: "Button text color HEX",
+
+    styleLabel: "Style",
+    styleAria: "Button style",
+    styleOptionSolid: "Fill",
+    styleOptionOutline: "Outline",
+    styleOptionGhost: "Ghost",
+
+    fillColorLabel: "Fill color",
+    fillColorPickerAria: "Button fill color picker",
+    fillColorHexAria: "Button fill color HEX",
+
+    strokeColorLabel: "Border color",
+    strokeColorPickerAria: "Button border color picker",
+    strokeColorHexAria: "Button border color HEX",
+
+    borderRadiusLabel: "Border radius",
+    borderRadiusPresetNone: "None",
+    borderRadiusPresetSmall: "Small",
+    borderRadiusPresetMedium: "Medium",
+    borderRadiusPresetLarge: "Large",
+    borderRadiusPresetFull: "Full",
+
+    widthModeLabel: "Button width mode",
+    widthModeAria: "Button width mode",
+    widthModeOptionAuto: "Auto",
+    widthModeOptionFull: "Full width",
+    widthModeOptionFixed: "Fixed",
+
+    fixedWidthLabel: "Button fixed width",
+    fixedWidthUnitLabel: "(px)",
+    fixedWidthPresetSmall: "Small",
+    fixedWidthPresetMedium: "Medium",
+    fixedWidthPresetLarge: "Wide",
+
+    fontSizeLabel: "Button font size",
+    fontSizeUnitLabel: "(px)",
+
+    lineHeightLabel: "Line height",
+    lineHeightPresetTight: "Tight",
+    lineHeightPresetNormal: "Normal",
+    lineHeightPresetRelaxed: "Relaxed",
+
+    letterSpacingLabel: "Letter spacing",
+    letterSpacingUnitLabel: "(px)",
+    letterSpacingPresetTighter: "Very tight",
+    letterSpacingPresetTight: "Tight",
+    letterSpacingPresetNormal: "Normal",
+    letterSpacingPresetWide: "Wide",
+    letterSpacingPresetWider: "Very wide",
+  },
+  ko: {
+    buttonTextLabel: "버튼 텍스트",
+    buttonTextAria: "버튼 텍스트",
+
+    imageSectionTitle: "버튼 이미지",
+    imageSourceLabel: "버튼 이미지 소스",
+    imageSourceAria: "버튼 이미지 소스",
+    imageSourceOptionNone: "사용 안 함",
+    imageSourceOptionUrl: "URL",
+    imageSourceOptionUpload: "파일 업로드",
+
+    imageUrlLabel: "버튼 이미지 URL",
+    imageUrlAria: "버튼 이미지 URL",
+    imageUploadLabel: "버튼 이미지 파일 업로드",
+    imageUploadAria: "버튼 이미지 파일 업로드",
+
+    imageAltLabel: "버튼 이미지 대체 텍스트",
+    imageAltAria: "버튼 이미지 대체 텍스트",
+
+    imagePlacementLabel: "버튼 이미지 위치",
+    imagePlacementAria: "버튼 이미지 위치",
+    imagePlacementOptionLeft: "텍스트 왼쪽",
+    imagePlacementOptionRight: "텍스트 오른쪽",
+    imagePlacementOptionTop: "텍스트 위쪽",
+    imagePlacementOptionBottom: "텍스트 아래쪽",
+
+    paddingXLabel: "가로 패딩",
+    paddingYLabel: "세로 패딩",
+
+    linkLabel: "버튼 링크",
+    linkAria: "버튼 링크",
+
+    alignLabel: "정렬",
+    alignAria: "버튼 정렬",
+    alignOptionLeft: "왼쪽",
+    alignOptionCenter: "가운데",
+    alignOptionRight: "오른쪽",
+
+    textColorLabel: "텍스트 색상",
+    textColorPickerAria: "버튼 텍스트 색상 피커",
+    textColorHexAria: "버튼 텍스트 색상 HEX",
+
+    styleLabel: "스타일",
+    styleAria: "버튼 스타일",
+    styleOptionSolid: "채움",
+    styleOptionOutline: "외곽선",
+    styleOptionGhost: "고스트",
+
+    fillColorLabel: "채움 색상",
+    fillColorPickerAria: "버튼 채움 색상 피커",
+    fillColorHexAria: "버튼 채움 색상 HEX",
+
+    strokeColorLabel: "외곽선 색상",
+    strokeColorPickerAria: "버튼 외곽선 색상 피커",
+    strokeColorHexAria: "버튼 외곽선 색상 HEX",
+
+    borderRadiusLabel: "모서리 둥글기",
+    borderRadiusPresetNone: "없음",
+    borderRadiusPresetSmall: "작게",
+    borderRadiusPresetMedium: "보통",
+    borderRadiusPresetLarge: "크게",
+    borderRadiusPresetFull: "완전 둥글게",
+
+    widthModeLabel: "버튼 너비 모드",
+    widthModeAria: "버튼 너비 모드",
+    widthModeOptionAuto: "자동",
+    widthModeOptionFull: "전체 폭",
+    widthModeOptionFixed: "고정 값",
+
+    fixedWidthLabel: "버튼 고정 너비",
+    fixedWidthUnitLabel: "(px)",
+    fixedWidthPresetSmall: "작게",
+    fixedWidthPresetMedium: "보통",
+    fixedWidthPresetLarge: "넓게",
+
+    fontSizeLabel: "버튼 크기",
+    fontSizeUnitLabel: "(px)",
+
+    lineHeightLabel: "줄 간격",
+    lineHeightPresetTight: "좁게",
+    lineHeightPresetNormal: "보통",
+    lineHeightPresetRelaxed: "넓게",
+
+    letterSpacingLabel: "글자 간격",
+    letterSpacingUnitLabel: "(px)",
+    letterSpacingPresetTighter: "아주 좁게",
+    letterSpacingPresetTight: "좁게",
+    letterSpacingPresetNormal: "보통",
+    letterSpacingPresetWide: "넓게",
+    letterSpacingPresetWider: "아주 넓게",
+  },
+};
+
+export function getEditorButtonPanelMessages(
+  locale: AppLocale | null | undefined,
+): EditorButtonPanelMessages {
+  const key = (locale ?? DEFAULT_LOCALE) as AppLocale;
+  return EDITOR_BUTTON_PANEL_MESSAGES[key] ?? EDITOR_BUTTON_PANEL_MESSAGES[DEFAULT_LOCALE];
+}