diff --git a/next-env.d.ts b/next-env.d.ts
index 9edff1c..c4b7818 100644
--- a/next-env.d.ts
+++ b/next-env.d.ts
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
diff --git a/src/app/api/export/route.ts b/src/app/api/export/route.ts
index 5d26b85..c6b52e8 100644
--- a/src/app/api/export/route.ts
+++ b/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` : "";
 
@@ -460,12 +462,19 @@ export const buildStaticHtml = (blocks: Block[], projectConfig?: ProjectConfig):
       const inputId = name;
 
       const fieldClass = isFloating ? "pb-form-field pb-form-field--floating" : "pb-form-field";
-      let fieldStyleAttr = "";
+      const cssVars: string[] = [];
       if (isFloating && typeof props.paddingY === "number" && props.paddingY >= 0) {
         const em = props.paddingY / 16;
-        fieldStyleAttr = ` style="--pb-input-padding-y:${em}rem"`;
+        cssVars.push(`--pb-input-padding-y:${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()
diff --git a/src/app/editor/EditorCanvas.tsx b/src/app/editor/EditorCanvas.tsx
index 4501223..01e106a 100644
--- a/src/app/editor/EditorCanvas.tsx
+++ b/src/app/editor/EditorCanvas.tsx
@@ -70,7 +70,7 @@ 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) => {
@@ -118,11 +118,11 @@ interface DragPreviewProps {
   block: Block | null;
 }
 
-function DragPreview({ block }: DragPreviewProps) {
+export function EditorCanvasDragPreview({ block }: DragPreviewProps) {
   if (!block) return null;
 
   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"
@@ -152,3 +152,7 @@ function DragPreview({ block }: DragPreviewProps) {
     </div>
   );
 }
+
+function DragPreview({ block }: DragPreviewProps) {
+  return <EditorCanvasDragPreview block={block} />;
+}
diff --git a/src/app/editor/forms/FormCheckboxPropertiesPanel.tsx b/src/app/editor/forms/FormCheckboxPropertiesPanel.tsx
index 4a99103..4196a7e 100644
--- a/src/app/editor/forms/FormCheckboxPropertiesPanel.tsx
+++ b/src/app/editor/forms/FormCheckboxPropertiesPanel.tsx
@@ -18,12 +18,12 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
 
   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">체크박스 필드</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">그룹 타이틀 타입</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, {
@@ -37,9 +37,9 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
       </label>
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">그룹 타이틀 표시 방식</span>
+        <span className="text-slate-500 dark:text-slate-400">그룹 타이틀 표시 방식</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={groupLabelDisplay}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -53,10 +53,10 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
       </label>
 
       {groupLabelDisplay === "visible" && (
-        <label className="flex flex-col gap-1 text-[11px] text-slate-400">
+        <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
           <span>레이아웃</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.labelLayout ?? "stacked"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -70,10 +70,10 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
         </label>
       )}
 
-      <label className="flex flex-col gap-1 text-[11px] text-slate-400">
+      <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
         <span>옵션 레이아웃</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.optionLayout ?? "stacked"}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -109,9 +109,9 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
       )}
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">그룹 타이틀</span>
+        <span className="text-slate-500 dark:text-slate-400">그룹 타이틀</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, {
@@ -133,7 +133,7 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
             <label className="flex flex-col gap-1">
               <span className="text-slate-400">그룹 타이틀 이미지 소스</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, {
@@ -150,7 +150,7 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
               <label className="flex flex-col gap-1">
                 <span className="text-slate-400">그룹 타이틀 이미지 URL</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, {
@@ -208,9 +208,9 @@ 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">전송 키</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, {
@@ -222,10 +222,10 @@ 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">옵션</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]
@@ -244,9 +244,9 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
         </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">옵션 이미지 소스</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];
@@ -266,9 +266,9 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
 
           {(((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"
+                  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="라벨"
                   value={opt.label ?? ""}
                   onChange={(e) => {
@@ -283,7 +283,7 @@ 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"
+                  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="값(value)"
                   value={opt.value ?? ""}
                   onChange={(e) => {
@@ -299,7 +299,7 @@ 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, {
@@ -320,7 +320,7 @@ 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"
+                          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="옵션 이미지 URL (선택)"
                           value={opt.labelImageUrl ?? ""}
                           onChange={(e) => {
@@ -337,7 +337,7 @@ 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">옵션 이미지 파일 업로드</span>
                           <input
                             type="file"
                             accept="image/*"
@@ -397,7 +397,7 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
       </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">필드 스타일</h4>
         {/* px 기반 체크박스 타이포 입력값을 노출하여 em 스케일 변환을 위한 근거를 남긴다 */}
         <NumericPropertyControl
           label="체크박스 텍스트 크기 (px)"
@@ -475,7 +475,7 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
         <label className="flex flex-col gap-1 text-[11px] text-slate-400">
           <span>필드 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"
             value={checkboxProps.widthMode ?? "full"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -574,7 +574,7 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           value={
             checkboxProps.textColorCustom && checkboxProps.textColorCustom.trim() !== ""
               ? checkboxProps.textColorCustom
-              : "#f9fafb"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -595,7 +595,7 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           value={
             checkboxProps.fillColorCustom && checkboxProps.fillColorCustom.trim() !== ""
               ? checkboxProps.fillColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -616,7 +616,7 @@ export function FormCheckboxPropertiesPanel({ block, selectedBlockId, updateBloc
           value={
             checkboxProps.strokeColorCustom && checkboxProps.strokeColorCustom.trim() !== ""
               ? checkboxProps.strokeColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
diff --git a/src/app/editor/forms/FormControllerPanel.tsx b/src/app/editor/forms/FormControllerPanel.tsx
index d02e9af..979adde 100644
--- a/src/app/editor/forms/FormControllerPanel.tsx
+++ b/src/app/editor/forms/FormControllerPanel.tsx
@@ -76,10 +76,10 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
       </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">전송 대상</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, {
@@ -90,14 +90,14 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
             <option value="internal">서버 처리 전용 (Webhook 없이 사용)</option>
             <option value="webhook">외부 Webhook / Google Sheets 로 전달</option>
           </select>
-        </div>
+        </label>
 
         {formProps.submitTarget === "webhook" && (
           <div className="space-y-3">
             <label className="flex flex-col gap-1">
-              <span className="text-slate-400">Webhook URL (예: Google Apps Script 웹 앱 URL)</span>
+              <span className="text-slate-500 dark:text-slate-400">Webhook URL (예: Google Apps Script 웹 앱 URL)</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"
                 placeholder="예: https://script.google.com/macros/s/.../exec"
                 value={formProps.destinationUrl ?? ""}
                 onChange={(e) =>
@@ -108,9 +108,9 @@ 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">전송 포맷</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, {
@@ -123,9 +123,9 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
               </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">HTTP 메서드</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, {
@@ -138,9 +138,9 @@ 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">Authorization 토큰 (옵션)</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"
                 placeholder="예: Bearer xxxxxx"
                 value={formProps.headers?.Authorization ?? ""}
                 onChange={(e) =>
@@ -154,9 +154,9 @@ 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">추가 파라미터 (key=value 형식, 줄바꿈으로 구분)</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"
+                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={"예:\nsource=landing\nformId=contact-hero"}
                 value={Object.entries(formProps.extraParams ?? {})
                   .map(([k, v]) => `${k}=${v}`)
@@ -183,7 +183,7 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
             <div className="flex justify-end">
               <button
                 type="button"
-                className="inline-flex items-center gap-1 rounded border border-slate-700 bg-slate-900 px-2 py-1 text-[11px] text-slate-100 hover:bg-slate-800"
+                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)}
               >
                 Google Sheets 연동 가이드
@@ -194,11 +194,11 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
       </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 레이아웃</h3>
-        <label className="flex flex-col gap-1 text-xs text-slate-400">
+        <h3 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">폼 레이아웃</h3>
+        <label className="flex flex-col gap-1 text-xs text-slate-500 dark:text-slate-400">
           <span>폼 너비 모드</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.formWidthMode ?? "auto"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -253,11 +253,11 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
       </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">
+        <h3 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">폼 메시지</h3>
+        <label className="flex flex-col gap-1 text-xs text-slate-500 dark:text-slate-400">
           <span>성공 메시지</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"
             placeholder="예: 성공적으로 전송되었습니다."
             value={formProps.successMessage ?? ""}
             onChange={(e) =>
@@ -267,10 +267,10 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
             }
           />
         </label>
-        <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>에러 메시지</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"
             placeholder="예: 전송 중 오류가 발생했습니다."
             value={formProps.errorMessage ?? ""}
             onChange={(e) =>
@@ -283,7 +283,7 @@ 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">폼 컨트롤러</h3>
 
         <fieldset className="space-y-2" aria-label="폼 필드 매핑">
           <legend className="text-[11px] text-slate-400 mb-1">폼 필드 매핑</legend>
@@ -313,11 +313,11 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
               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 ?? [];
@@ -334,7 +334,7 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
                   <label className="inline-flex items-center gap-1 text-[11px] text-slate-400">
                     <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={required}
                       onChange={(e) => {
                         const current = formProps.requiredFieldIds ?? [];
@@ -357,7 +357,7 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
         <div className="space-y-1">
           <span className="text-[11px] text-slate-400">Submit 버튼</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="Submit 버튼"
             value={formProps.submitButtonId ?? ""}
             onChange={(e) =>
@@ -390,10 +390,10 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
       </div>
 
       {showSheetsGuide && (
-        <div className="fixed inset-0 z-50 flex items-center justify-center bg-slate-950/70">
-          <div className="w-full max-w-xl rounded border border-slate-800 bg-slate-950 px-4 py-3 shadow-lg">
+        <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 text-slate-100">Google Sheets 연동 가이드</h4>
+              <h4 className="text-[11px] font-semibold">Google Sheets 연동 가이드</h4>
               <button
                 type="button"
                 className="text-[11px] text-slate-400 hover:text-slate-100"
@@ -403,7 +403,7 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
                 닫기
               </button>
             </div>
-            <p className="text-[11px] text-slate-400 leading-relaxed">
+            <p className="text-[11px] text-slate-500 dark:text-slate-400 leading-relaxed">
               구글 시트 주소를 그대로 입력하는 것이 아니라, 시트에 연결된 Google Apps Script 웹 앱 URL 을 입력해야 합니다.
               아래 순서를 따르면 코드를 잘 모르는 사용자도 연동할 수 있습니다.
             </p>
@@ -413,9 +413,9 @@ export function FormControllerPanel({ block, blocks, selectedBlockId, updateBloc
               <li>"배포 → 새 배포" 에서 웹 앱으로 배포한 뒤, 발급된 웹 앱 URL(…/exec) 을 Webhook URL 칸에 붙여넣습니다.</li>
             </ol>
             <div className="mt-2 space-y-1">
-              <span className="text-[11px] text-slate-400">예시 Apps Script 코드</span>
+              <span className="text-[11px] text-slate-500 dark:text-slate-400">예시 Apps Script 코드</span>
               <textarea
-                className="w-full h-40 rounded border border-slate-800 bg-slate-950 px-2 py-1 text-[11px] font-mono text-slate-200"
+                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}
               />
diff --git a/src/app/editor/forms/FormInputPropertiesPanel.tsx b/src/app/editor/forms/FormInputPropertiesPanel.tsx
index fc05e99..f0699a7 100644
--- a/src/app/editor/forms/FormInputPropertiesPanel.tsx
+++ b/src/app/editor/forms/FormInputPropertiesPanel.tsx
@@ -18,11 +18,11 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 
 	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">입력 필드</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">라벨 타입</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, {
@@ -35,9 +35,9 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 				</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">필드 라벨</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, {
@@ -47,9 +47,9 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 				/>
 			</label>
 			<label className="flex flex-col gap-1">
-				<span className="text-slate-400">라벨 표시 방식</span>
+				<span className="text-slate-500 dark:text-slate-400">라벨 표시 방식</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={labelDisplay}
 					onChange={(e) =>
 						updateBlock(selectedBlockId, {
@@ -63,10 +63,10 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 				</select>
 			</label>
 			{labelDisplay === "visible" && (
-				<label className="flex flex-col gap-1 text-[11px] text-slate-400">
+				<label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
 					<span>레이아웃</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.labelLayout ?? "stacked"}
 						onChange={(e) =>
 							updateBlock(selectedBlockId, {
@@ -103,9 +103,9 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 			{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">라벨 이미지 URL</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, {
@@ -115,9 +115,9 @@ 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">라벨 이미지 대체 텍스트</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, {
@@ -129,9 +129,9 @@ 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">전송 키</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, {
@@ -141,9 +141,9 @@ 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">필드 타입</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="필드 타입"
 					value={inputProps.inputType ?? "text"}
 					onChange={(e) =>
@@ -158,9 +158,9 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 				</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">Placeholder</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"
 					aria-label="Placeholder"
 					value={inputProps.placeholder ?? ""}
 					onChange={(e) =>
@@ -171,10 +171,10 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 				/>
 			</label>
 			<label className="inline-flex items-center gap-2">
-				<span className="text-slate-500">필수 여부는 폼 컨트롤러에서 설정합니다.</span>
+				<span className="text-slate-500 dark:text-slate-400">필수 여부는 폼 컨트롤러에서 설정합니다.</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">필드 스타일</h4>
 				<NumericPropertyControl
 					label="필드 텍스트 크기 (px)"
 					unitLabel="(px)"
@@ -248,10 +248,10 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 						} as any);
 					}}
 				/>
-				<label className="flex flex-col gap-1 text-[11px] text-slate-400">
+				<label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
 					<span>텍스트 정렬</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, {
@@ -264,10 +264,10 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 						<option value="right">오른쪽</option>
 					</select>
 				</label>
-				<label className="flex flex-col gap-1 text-[11px] text-slate-400">
+				<label className="flex flex-col gap-1 text-[11px] text-slate-500 dark: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="너비"
 						value={inputProps.widthMode ?? "full"}
 						onChange={(e) =>
@@ -346,7 +346,7 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					value={
 						inputProps.textColorCustom && inputProps.textColorCustom.trim() !== ""
 							? inputProps.textColorCustom
-							: "#f9fafb"
+							: ""
 					}
 					onChange={(hex) => {
 						updateBlock(selectedBlockId, {
@@ -367,7 +367,7 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					value={
 						inputProps.fillColorCustom && inputProps.fillColorCustom.trim() !== ""
 							? inputProps.fillColorCustom
-							: TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+							: ""
 					}
 					onChange={(hex) => {
 						updateBlock(selectedBlockId, {
@@ -388,7 +388,7 @@ export function FormInputPropertiesPanel({ block, selectedBlockId, updateBlock }
 					value={
 						inputProps.strokeColorCustom && inputProps.strokeColorCustom.trim() !== ""
 							? inputProps.strokeColorCustom
-							: TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+							: ""
 					}
 					onChange={(hex) => {
 						updateBlock(selectedBlockId, {
diff --git a/src/app/editor/forms/FormRadioPropertiesPanel.tsx b/src/app/editor/forms/FormRadioPropertiesPanel.tsx
index 2338ef2..2783ad8 100644
--- a/src/app/editor/forms/FormRadioPropertiesPanel.tsx
+++ b/src/app/editor/forms/FormRadioPropertiesPanel.tsx
@@ -18,12 +18,12 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
 
   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">라디오 필드</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">그룹 타이틀 타입</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, {
@@ -37,9 +37,9 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
       </label>
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">그룹 타이틀 표시 방식</span>
+        <span className="text-slate-500 dark:text-slate-400">그룹 타이틀 표시 방식</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={groupLabelDisplay}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -53,10 +53,10 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
       </label>
 
       {groupLabelDisplay === "visible" && (
-        <label className="flex flex-col gap-1 text-[11px] text-slate-400">
+        <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
           <span>그룹 타이틀 레이아웃</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.labelLayout ?? "stacked"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -70,10 +70,10 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
         </label>
       )}
 
-      <label className="flex flex-col gap-1 text-[11px] text-slate-400">
+      <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
         <span>옵션 레이아웃</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.optionLayout ?? "stacked"}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -109,9 +109,9 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
       )}
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">그룹 타이틀</span>
+        <span className="text-slate-500 dark:text-slate-400">그룹 타이틀</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, {
@@ -133,7 +133,7 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
             <label className="flex flex-col gap-1">
               <span className="text-slate-400">그룹 타이틀 이미지 소스</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, {
@@ -150,7 +150,7 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
               <label className="flex flex-col gap-1">
                 <span className="text-slate-400">그룹 타이틀 이미지 URL</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, {
@@ -208,9 +208,9 @@ 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">전송 키</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, {
@@ -222,10 +222,10 @@ 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">옵션</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((radioProps as any).options)
                 ? [...(radioProps as any).options]
@@ -244,9 +244,9 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
         </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">옵션 이미지 소스</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];
@@ -266,9 +266,9 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
 
           {(((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"
+                  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="라벨"
                   value={opt.label ?? ""}
                   onChange={(e) => {
@@ -283,7 +283,7 @@ 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"
+                  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="값(value)"
                   value={opt.value ?? ""}
                   onChange={(e) => {
@@ -299,7 +299,7 @@ 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, {
@@ -320,7 +320,7 @@ 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"
+                          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="옵션 이미지 URL (선택)"
                           value={opt.labelImageUrl ?? ""}
                           onChange={(e) => {
@@ -337,7 +337,7 @@ 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">옵션 이미지 파일 업로드</span>
                           <input
                             type="file"
                             accept="image/*"
@@ -397,7 +397,7 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
       </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">필드 스타일</h4>
         {/* 라디오 타이포 px 값을 직접 입력받아 em 스케일 변환 로직과 연동한다 */}
         <NumericPropertyControl
           label="라디오 텍스트 크기 (px)"
@@ -475,7 +475,7 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
         <label className="flex flex-col gap-1 text-[11px] text-slate-400">
           <span>필드 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"
             value={radioProps.widthMode ?? "full"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -574,7 +574,7 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
           value={
             radioProps.textColorCustom && radioProps.textColorCustom.trim() !== ""
               ? radioProps.textColorCustom
-              : "#f9fafb"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -595,7 +595,7 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
           value={
             radioProps.fillColorCustom && radioProps.fillColorCustom.trim() !== ""
               ? radioProps.fillColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -616,7 +616,7 @@ export function FormRadioPropertiesPanel({ block, selectedBlockId, updateBlock }
           value={
             radioProps.strokeColorCustom && radioProps.strokeColorCustom.trim() !== ""
               ? radioProps.strokeColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
diff --git a/src/app/editor/forms/FormSelectPropertiesPanel.tsx b/src/app/editor/forms/FormSelectPropertiesPanel.tsx
index 6aba577..bbf2be1 100644
--- a/src/app/editor/forms/FormSelectPropertiesPanel.tsx
+++ b/src/app/editor/forms/FormSelectPropertiesPanel.tsx
@@ -18,12 +18,12 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
 
   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">셀렉트 필드</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">라벨 타입</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, {
@@ -37,9 +37,9 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
       </label>
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">라벨 표시 방식</span>
+        <span className="text-slate-500 dark:text-slate-400">라벨 표시 방식</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={labelDisplay}
           onChange={(e) =>
             updateBlock(selectedBlockId, {
@@ -53,10 +53,10 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
       </label>
 
       {labelDisplay === "visible" && (
-        <label className="flex flex-col gap-1 text-[11px] text-slate-400">
+        <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
           <span>레이아웃</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.labelLayout ?? "stacked"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -93,9 +93,9 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
       )}
 
       <label className="flex flex-col gap-1">
-        <span className="text-slate-400">필드 라벨</span>
+        <span className="text-slate-500 dark:text-slate-400">필드 라벨</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, {
@@ -106,9 +106,9 @@ 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">전송 키</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, {
@@ -120,10 +120,10 @@ 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">옵션</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]
@@ -143,9 +143,9 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
         <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"
+                  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="라벨"
                   value={opt.label ?? ""}
                   onChange={(e) => {
@@ -160,7 +160,7 @@ 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"
+                  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="값(value)"
                   value={opt.value ?? ""}
                   onChange={(e) => {
@@ -176,7 +176,7 @@ 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, {
@@ -196,7 +196,7 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
         <span className="text-slate-500">필수 여부는 폼 컨트롤러에서 설정합니다.</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">필드 스타일</h4>
         <NumericPropertyControl
           label="셀렉트 텍스트 크기 (px)"
           unitLabel="(px)"
@@ -270,10 +270,10 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
             } as any);
           }}
         />
-        <label className="flex flex-col gap-1 text-[11px] text-slate-400">
+        <label className="flex flex-col gap-1 text-[11px] text-slate-500 dark:text-slate-400">
           <span>필드 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"
             value={selectProps.widthMode ?? "full"}
             onChange={(e) =>
               updateBlock(selectedBlockId, {
@@ -353,7 +353,7 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
           value={
             selectProps.textColorCustom && selectProps.textColorCustom.trim() !== ""
               ? selectProps.textColorCustom
-              : "#f9fafb"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -374,7 +374,7 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
           value={
             selectProps.fillColorCustom && selectProps.fillColorCustom.trim() !== ""
               ? selectProps.fillColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -395,7 +395,7 @@ export function FormSelectPropertiesPanel({ block, selectedBlockId, updateBlock
           value={
             selectProps.strokeColorCustom && selectProps.strokeColorCustom.trim() !== ""
               ? selectProps.strokeColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
diff --git a/src/app/editor/page.tsx b/src/app/editor/page.tsx
index 48ff460..a6650be 100644
--- a/src/app/editor/page.tsx
+++ b/src/app/editor/page.tsx
@@ -1070,8 +1070,8 @@ function EditorPageInner() {
     });
 
   return (
-    <main className="h-screen flex flex-col overflow-hidden">
-      <header className="border-b border-slate-800 px-6 py-4 flex items-center justify-between relative z-20 bg-slate-950/80 backdrop-blur">
+    <main className="h-screen flex flex-col overflow-hidden 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 relative z-20 bg-white/80 backdrop-blur dark:border-slate-800 dark:bg-slate-950/80">
         <div className="flex items-center gap-3">
           <span className="inline-flex items-center justify-center w-8 h-8 rounded-full bg-slate-900 border border-sky-700 shadow-sm">
             <Pencil className="w-4 h-4 text-sky-400" aria-hidden="true" />
@@ -1233,12 +1233,12 @@ function EditorPageInner() {
 
       {activeModal === "project" && (
         <div className="fixed inset-0 z-30 flex items-center justify-center bg-black/60">
-          <div className="w-full max-w-md rounded-lg border border-slate-700 bg-slate-900 p-4 text-xs text-slate-100 shadow-xl">
+          <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-3">
               <h3 className="text-sm font-medium">프로젝트 저장 / 불러오기</h3>
               <button
                 type="button"
-                className="text-slate-400 hover:text-slate-100 text-sm"
+                className="text-slate-400 hover:text-slate-700 text-sm dark:hover:text-slate-100"
                 onClick={() => setActiveModal(null)}
               >
                 ✕
@@ -1246,17 +1246,17 @@ function EditorPageInner() {
             </div>
             <div className="space-y-2">
               <label className="flex flex-col gap-1">
-                <span className="text-slate-400">프로젝트 제목</span>
+                <span className="text-slate-600 dark:text-slate-400">프로젝트 제목</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={projectConfig.title ?? ""}
                   onChange={(e) => updateProjectConfig({ title: e.target.value })}
                 />
               </label>
               <label className="flex flex-col gap-1">
-                <span className="text-slate-400">프로젝트 주소 (예: my-landing)</span>
+                <span className="text-slate-600 dark:text-slate-400">프로젝트 주소 (예: my-landing)</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={projectConfig.slug ?? ""}
                   onChange={(e) => updateProjectConfig({ slug: e.target.value })}
                 />
@@ -1264,21 +1264,21 @@ function EditorPageInner() {
               <div className="flex gap-2">
                 <button
                   type="button"
-                  className="flex-1 rounded border border-sky-700 bg-sky-950 px-2 py-1 text-sky-100 hover:bg-sky-900"
+                  className="flex-1 rounded border border-sky-500 bg-sky-50 px-2 py-1 text-sky-700 hover:bg-sky-100 dark:border-sky-700 dark:bg-sky-950 dark:text-sky-100 dark:hover:bg-sky-900"
                   onClick={handleSaveProject}
                 >
                   저장 (로컬 + 서버)
                 </button>
                 <button
                   type="button"
-                  className="flex-1 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-slate-100 hover:bg-slate-800"
+                  className="flex-1 rounded border border-slate-300 bg-white 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={handleLoadProject}
                 >
                   불러오기
                 </button>
               </div>
               {projectMessage && (
-                <p className="text-[11px] text-slate-300 mt-1">{projectMessage}</p>
+                <p className="text-[11px] text-slate-600 mt-1 dark:text-slate-300">{projectMessage}</p>
               )}
             </div>
           </div>
@@ -1289,12 +1289,17 @@ function EditorPageInner() {
 
       {activeModal === "json" && (
         <div className="fixed inset-0 z-30 flex items-center justify-center bg-black/60">
-          <div className="w-full max-w-2xl rounded-lg border border-slate-700 bg-slate-900 p-4 text-xs text-slate-100 shadow-xl">
+          <div className="w-full max-w-2xl 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-3">
-              <h3 className="text-sm font-medium">JSON Export / Import <span className="text-xs text-slate-400">* 에디터 내용을 가져오거나 내보낼 수 있습니다.</span></h3>
+              <h3 className="text-sm font-medium">
+                JSON Export / Import
+                <span className="text-xs text-slate-500 dark:text-slate-400">
+                  * 에디터 내용을 가져오거나 내보낼 수 있습니다.
+                </span>
+              </h3>
               <button
                 type="button"
-                className="text-slate-400 hover:text-slate-100 text-sm"
+                className="text-slate-400 hover:text-slate-700 text-sm dark:hover:text-slate-100"
                 onClick={() => setActiveModal(null)}
               >
                 ✕
@@ -1304,14 +1309,14 @@ function EditorPageInner() {
               <div className="flex gap-2 mb-1">
                 <button
                   type="button"
-                  className="flex-1 rounded border border-slate-700 bg-slate-950 px-2 py-1 hover:bg-slate-800"
+                  className="flex-1 rounded border border-slate-300 bg-white 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={handleExportJson}
                 >
                   JSON 내보내기
                 </button>
                 <button
                   type="button"
-                  className="rounded border border-red-700 bg-red-950 px-2 py-1 text-red-100 hover:bg-red-900"
+                  className="rounded border border-red-300 bg-white px-2 py-1 text-red-700 hover:bg-red-50 dark:border-red-700 dark:bg-red-950 dark:text-red-100 dark:hover:bg-red-900"
                   onClick={handleClearCanvas}
                 >
                   캔버스 초기화
@@ -1319,23 +1324,23 @@ function EditorPageInner() {
               </div>
               <div className="grid grid-cols-2 gap-3">
                 <label className="flex flex-col gap-1">
-                  <span className="text-slate-400">에디터 상태 JSON</span>
+                  <span className="text-slate-600 dark:text-slate-400">에디터 상태 JSON</span>
                   <textarea
-                    className="w-full h-48 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[10px] font-mono outline-none focus:border-sky-500"
+                    className="w-full h-48 rounded border border-slate-300 bg-white px-2 py-1 text-[10px] font-mono text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
                     value={exportJson}
                     readOnly
                   />
                 </label>
                 <label className="flex flex-col gap-1">
-                  <span className="text-slate-400">JSON에서 불러오기</span>
+                  <span className="text-slate-600 dark:text-slate-400">JSON에서 불러오기</span>
                   <textarea
-                    className="w-full h-48 rounded border border-slate-700 bg-slate-950 px-2 py-1 text-[10px] font-mono outline-none focus:border-sky-500"
+                    className="w-full h-48 rounded border border-slate-300 bg-white px-2 py-1 text-[10px] font-mono text-slate-900 outline-none focus:border-sky-500 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
                     value={importJson}
                     onChange={(e) => setImportJson(e.target.value)}
                   />
                   <button
                     type="button"
-                    className="mt-1 w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 hover:bg-slate-800"
+                    className="mt-1 w-full rounded border border-slate-300 bg-white 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={handleApplyImportJson}
                   >
                     JSON 적용하기
@@ -1509,8 +1514,10 @@ function SortableEditorBlock({
       data-selected={isSelected ? "true" : "false"}
       aria-selected={isSelected ? "true" : "false"}
       className={`rounded border px-3 py-2 cursor-text transition-colors ${alignClass} ${sizeClass} ${leadingClass} ${weightClass} ${colorClass} ${maxWidthClass} ${decorationClass} ${
-        isSelected ? "border-sky-500 bg-slate-900/80" : "border-slate-700 bg-slate-900"
-      }`}
+		isSelected
+		  ? "border-sky-500 bg-sky-50 text-slate-900 dark:bg-slate-900/80 dark:text-slate-100"
+		  : "border-slate-200 bg-white text-slate-900 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-100"
+	      }`}
       onClick={(event) => {
         // 멀티 선택(MVP): Cmd/Ctrl+클릭 시 선택 토글, 그 외에는 단일 선택으로 전환한다.
         const isMeta = event.metaKey || event.ctrlKey;
@@ -1541,7 +1548,7 @@ function SortableEditorBlock({
       <div className="flex items-start gap-2">
         <button
           type="button"
-          className="mt-0.5 h-4 w-4 rounded border border-slate-700 bg-slate-900 text-[10px] flex items-center justify-center text-slate-400 hover:bg-slate-800"
+	      className="mt-0.5 h-4 w-4 rounded border border-slate-300 bg-slate-50 text-[10px] flex items-center justify-center text-slate-500 hover:bg-slate-100 dark:border-slate-700 dark:bg-slate-900 dark:text-slate-400 dark:hover:bg-slate-800"
           aria-label="블록 드래그 핸들"
           {...listeners}
           {...attributes}
@@ -1610,7 +1617,7 @@ function SortableEditorBlock({
                       className="h-4 w-auto"
                     />
                   ) : (
-                    <span className="text-slate-200 shrink-0">{inputProps.label}</span>
+                    <span className="shrink-0">{inputProps.label}</span>
                   )
                 )}
                 {(() => {
@@ -1715,7 +1722,7 @@ function SortableEditorBlock({
                     className="h-4 w-auto"
                   />
                 ) : (
-                  <span className="text-slate-200">{selectProps.label}</span>
+                  <span>{selectProps.label}</span>
                 )}
                 <div className="w-full">
                   <select
@@ -1792,14 +1799,14 @@ function SortableEditorBlock({
                     className="inline-block max-w-full h-auto"
                   />
                 ) : (
-                  <span className="text-slate-200">{radioProps.groupLabel}</span>
+                  <span>{radioProps.groupLabel}</span>
                 )}
                 <div style={optionsStyle} className={optionsLayoutClass}>
                   {options.map((opt) => (
                     <label key={opt.value} className="pb-form-option">
                       <input
                         type="radio"
-                        className="h-4 w-4 border-slate-700 bg-slate-900 text-sky-500"
+                        className="h-4 w-4"
                         name={radioProps.formFieldName}
                         value={opt.value}
                         readOnly
@@ -1863,8 +1870,8 @@ function SortableEditorBlock({
                   : { rowGap: `${optionGapPx}px` }
                 : {};
             const groupContainerClassName = isInlineLayout
-              ? "flex flex-row items-center text-xs text-slate-200"
-              : "flex flex-col gap-1 text-xs text-slate-200";
+              ? "flex flex-row items-center text-xs"
+              : "flex flex-col gap-1 text-xs";
 
             return (
               <div className={groupContainerClassName} style={groupContainerStyle}>
@@ -1877,14 +1884,14 @@ function SortableEditorBlock({
                     className="inline-block max-w-full h-auto"
                   />
                 ) : (
-                  <span className="text-slate-200">{checkboxProps.groupLabel}</span>
+                  <span>{checkboxProps.groupLabel}</span>
                 )}
                 <div className={optionsLayoutClass} style={optionsStyle}>
                   {options.map((opt) => (
                     <label key={opt.value} className="pb-form-option">
                       <input
                         type="checkbox"
-                        className="h-4 w-4 rounded border-slate-700 bg-slate-900 text-sky-500"
+                        className="h-4 w-4 rounded"
                         name={checkboxProps.formFieldName}
                         value={opt.value}
                         readOnly
@@ -2050,7 +2057,7 @@ function SortableEditorBlock({
 
             return (
               <div
-                className={`w-full border border-dashed border-slate-700 bg-slate-900/40 rounded flex items-center overflow-hidden ${alignClass}`}
+                className={`w-full border border-dashed border-slate-700 bg-slate-500/40 rounded flex items-center overflow-hidden ${alignClass}`}
               >
                 {hasSrc ? (
                   // eslint-disable-next-line @next/next/no-img-element
@@ -2061,7 +2068,7 @@ function SortableEditorBlock({
                     style={{ ...containerStyle, ...imageStyle }}
                   />
                 ) : (
-                  <span className="text-[10px] text-slate-500 px-2 py-4">
+                  <span className="text-[10px] text-slate-900 dark:text-slate-500 px-2 py-4">
                     이미지 URL 을 입력하거나 파일을 업로드하면 여기에서 미리보기가 표시됩니다.
                   </span>
                 )}
@@ -2162,7 +2169,7 @@ function SortableEditorBlock({
                       style={index < nodes.length - 1 ? { marginBottom: gapPx } : undefined}
                     >
                       <span className="break-words align-middle">{node.text}</span>
-                      <span className="ml-2 inline-flex items-center gap-1 text-[10px] text-slate-300 align-middle">
+                      <span className="ml-2 inline-flex items-center gap-1 text-[10px] text-slate-900 dark:text-slate-300 align-middle">
                         <button
                           type="button"
                           className="rounded border border-slate-700 px-1 py-0.5 hover:bg-slate-800"
@@ -2367,13 +2374,13 @@ function ColumnDroppable({ id, sectionId, columnId, basis, blocks, renderBlocks,
       style={{ flexBasis: basis }}
     >
       <div
-        className={`border rounded flex flex-col gap-2 items-stretch justify-start px-2 py-2 bg-slate-950/40 ${
+        className={`border rounded flex flex-col gap-2 items-stretch justify-start px-2 py-2 bg-slate-100/40 dark:bg-slate-950/40 ${
           isActiveColumn ? "border-sky-500" : "border-slate-800/80"
         }`}
         style={{}}
       >
         {blocks.length === 0 ? (
-          <span className="text-[11px] px-2 text-center text-slate-500">
+          <span className="text-[11px] px-2 text-center text-slate-900 dark:text-slate-300">
             {`컬럼 영역 (span ${span}/12)`}
           </span>
         ) : (
diff --git a/src/app/editor/panels/BlocksSidebar.tsx b/src/app/editor/panels/BlocksSidebar.tsx
index dc9cc2d..d09826d 100644
--- a/src/app/editor/panels/BlocksSidebar.tsx
+++ b/src/app/editor/panels/BlocksSidebar.tsx
@@ -90,8 +90,11 @@ export function BlocksSidebar() {
   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 bg-slate-950/40">
-      <h2 className="font-medium flex items-center gap-2 text-slate-200">
+    <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"
@@ -108,7 +111,7 @@ export function BlocksSidebar() {
         <>
           <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"
+            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">
@@ -118,7 +121,7 @@ export function BlocksSidebar() {
           </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"
+            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">
@@ -128,7 +131,7 @@ export function BlocksSidebar() {
           </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"
+            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">
@@ -138,7 +141,7 @@ export function BlocksSidebar() {
           </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"
+            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">
@@ -148,7 +151,7 @@ export function BlocksSidebar() {
           </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"
+            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">
@@ -158,7 +161,7 @@ export function BlocksSidebar() {
           </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"
+            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">
@@ -168,7 +171,7 @@ export function BlocksSidebar() {
           </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"
+            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">
@@ -179,8 +182,8 @@ export function BlocksSidebar() {
         </>
       )}
 
-      <div className="pt-3 border-t border-slate-800 mt-3 space-y-2">
-        <h3 className="text-[11px] font-medium text-slate-300 flex items-center gap-2">
+      <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"
@@ -197,7 +200,7 @@ export function BlocksSidebar() {
           <>
             <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"
+              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">
@@ -207,7 +210,7 @@ export function BlocksSidebar() {
             </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"
+              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">
@@ -217,7 +220,7 @@ export function BlocksSidebar() {
             </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"
+              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">
@@ -227,7 +230,7 @@ export function BlocksSidebar() {
             </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"
+              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">
@@ -237,7 +240,7 @@ export function BlocksSidebar() {
             </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"
+              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">
@@ -249,8 +252,8 @@ export function BlocksSidebar() {
         )}
       </div>
 
-      <div className="pt-3 border-t border-slate-800 mt-3 space-y-3">
-        <h3 className="text-[11px] font-medium text-slate-300 flex items-center gap-2">
+      <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"
@@ -267,20 +270,20 @@ export function BlocksSidebar() {
         {isTemplatesOpen && (
           <div className="space-y-3">
             <div className="space-y-2">
-              <p className="text-[10px] font-semibold text-slate-400">히어로 · CTA</p>
+              <p className="text-[10px] font-semibold text-slate-600 dark: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="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-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
+                      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}
                     >
                       Hero 템플릿
                     </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]"
+                      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" />
@@ -294,18 +297,18 @@ export function BlocksSidebar() {
                   </p>
                 </div>
 
-                <div className="rounded border border-slate-800 bg-slate-950/50 p-2 space-y-1">
+                <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-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
+                      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}
                     >
                       CTA 템플릿
                     </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]"
+                      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]">
@@ -322,20 +325,20 @@ export function BlocksSidebar() {
             </div>
 
             <div className="space-y-2">
-              <p className="text-[10px] font-semibold text-slate-400">콘텐츠 섹션</p>
+              <p className="text-[10px] font-semibold text-slate-600 dark: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="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-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
+                      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}
                     >
                       기능 템플릿
                     </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]"
+                      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" />
@@ -354,18 +357,18 @@ export function BlocksSidebar() {
                   <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="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-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
+                      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}
                     >
                       FAQ 템플릿
                     </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]"
+                      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" />
@@ -380,18 +383,18 @@ export function BlocksSidebar() {
                   <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="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-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
+                      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}
                     >
                       상품 템플릿
                     </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]"
+                      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" />
@@ -411,18 +414,18 @@ export function BlocksSidebar() {
                   <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="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-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
+                      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}
                     >
                       블로그 템플릿
                     </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]"
+                      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]" />
@@ -447,20 +450,20 @@ export function BlocksSidebar() {
             </div>
 
             <div className="space-y-2">
-              <p className="text-[10px] font-semibold text-slate-400">신뢰/소개</p>
+              <p className="text-[10px] font-semibold text-slate-600 dark: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="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-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
+                      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}
                     >
                       후기 템플릿
                     </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]"
+                      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" />
@@ -479,18 +482,18 @@ export function BlocksSidebar() {
                   <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="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-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
+                      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}
                     >
                       Team 템플릿
                     </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]"
+                      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" />
@@ -515,20 +518,20 @@ export function BlocksSidebar() {
             </div>
 
             <div className="space-y-2">
-              <p className="text-[10px] font-semibold text-slate-400">푸터/기타</p>
+              <p className="text-[10px] font-semibold text-slate-600 dark: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="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-700 bg-slate-900 px-3 py-2 text-left text-xs hover:bg-slate-800"
+                      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}
                     >
                       Footer 템플릿
                     </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]"
+                      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]">
diff --git a/src/app/editor/panels/ButtonPropertiesPanel.tsx b/src/app/editor/panels/ButtonPropertiesPanel.tsx
index 6465006..31622c3 100644
--- a/src/app/editor/panels/ButtonPropertiesPanel.tsx
+++ b/src/app/editor/panels/ButtonPropertiesPanel.tsx
@@ -24,7 +24,7 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>버튼 텍스트</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"
+            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="버튼 텍스트"
             value={buttonProps.label}
             onChange={(e) => {
@@ -34,13 +34,13 @@ 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-200">버튼 이미지</h4>
+        <h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">버튼 이미지</h4>
 
         <div className="space-y-1">
           <label className="flex flex-col gap-1">
             <span>버튼 이미지 소스</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"
+              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="버튼 이미지 소스"
               value={imageSource}
               onChange={(e) => {
@@ -74,7 +74,7 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
             <label className="flex flex-col gap-1">
               <span>버튼 이미지 URL</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"
+                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="버튼 이미지 URL"
                 value={buttonProps.imageSrc ?? ""}
                 onChange={(e) => {
@@ -142,7 +142,7 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
               <label className="flex flex-col gap-1">
                 <span>버튼 이미지 대체 텍스트</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"
+                  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="버튼 이미지 대체 텍스트"
                   value={buttonProps.imageAlt ?? ""}
                   onChange={(e) => {
@@ -156,7 +156,7 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
               <label className="flex flex-col gap-1">
                 <span>버튼 이미지 위치</span>
                 <select
-                  className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+                  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="버튼 이미지 위치"
                   value={buttonProps.imagePlacement ?? "left"}
                   onChange={(e) => {
@@ -223,7 +223,7 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>버튼 링크</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"
+            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="버튼 링크"
             value={buttonProps.href}
             onChange={(e) => {
@@ -236,7 +236,7 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>정렬</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+            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="버튼 정렬"
             value={buttonProps.align ?? "left"}
             onChange={(e) => {
@@ -259,9 +259,9 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
           ariaLabelColorInput="버튼 텍스트 색상 피커"
           ariaLabelHexInput="버튼 텍스트 색상 HEX"
           value={
-            buttonProps.textColorCustom && buttonProps.textColorCustom.startsWith("#")
+            buttonProps.textColorCustom && buttonProps.textColorCustom.trim() !== ""
               ? buttonProps.textColorCustom
-              : "#f9fafb"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -280,7 +280,7 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>스타일</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+            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="버튼 스타일"
             value={buttonProps.variant ?? "solid"}
             onChange={(e) => {
@@ -300,9 +300,9 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
           ariaLabelColorInput="버튼 채움 색상 피커"
           ariaLabelHexInput="버튼 채움 색상 HEX"
           value={
-            buttonProps.fillColorCustom && buttonProps.fillColorCustom.startsWith("#")
+            buttonProps.fillColorCustom && buttonProps.fillColorCustom.trim() !== ""
               ? buttonProps.fillColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -323,9 +323,9 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
           ariaLabelColorInput="버튼 외곽선 색상 피커"
           ariaLabelHexInput="버튼 외곽선 색상 HEX"
           value={
-            buttonProps.strokeColorCustom && buttonProps.strokeColorCustom.startsWith("#")
+            buttonProps.strokeColorCustom && buttonProps.strokeColorCustom.trim() !== ""
               ? buttonProps.strokeColorCustom
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#0ea5e9"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, {
@@ -368,7 +368,7 @@ export function ButtonPropertiesPanel({ buttonProps, selectedBlockId, updateBloc
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>버튼 너비 모드</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+            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="버튼 너비 모드"
             value={buttonProps.widthMode ?? (buttonProps.fullWidth ? "full" : "auto")}
             onChange={(e) => {
diff --git a/src/app/editor/panels/DividerPropertiesPanel.tsx b/src/app/editor/panels/DividerPropertiesPanel.tsx
index 15a34b3..046e04e 100644
--- a/src/app/editor/panels/DividerPropertiesPanel.tsx
+++ b/src/app/editor/panels/DividerPropertiesPanel.tsx
@@ -17,7 +17,7 @@ export function DividerPropertiesPanel({ dividerProps, selectedBlockId, updateBl
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>정렬</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+            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="구분선 정렬"
             value={dividerProps.align}
             onChange={(e) => {
@@ -35,7 +35,7 @@ export function DividerPropertiesPanel({ dividerProps, selectedBlockId, updateBl
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>두께</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+            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="구분선 두께"
             value={dividerProps.thickness}
             onChange={(e) => {
@@ -50,13 +50,13 @@ export function DividerPropertiesPanel({ dividerProps, 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">구분선 스타일</h4>
+        <h4 className="text-[11px] font-semibold text-slate-800 dark:text-slate-200">구분선 스타일</h4>
 
         {/* 길이/너비 모드 */}
         <label className="flex flex-col gap-1">
           <span>길이 모드</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+            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="구분선 길이 모드"
             value={dividerProps.widthMode ?? "full"}
             onChange={(e) => {
@@ -97,7 +97,7 @@ export function DividerPropertiesPanel({ dividerProps, selectedBlockId, updateBl
           value={
             dividerProps.colorHex && dividerProps.colorHex.trim() !== ""
               ? dividerProps.colorHex
-              : TEXT_COLOR_PALETTE[0]?.color ?? "#64748b"
+              : ""
           }
           onChange={(hex) => {
             updateBlock(selectedBlockId, { colorHex: hex } as any);
diff --git a/src/app/editor/panels/ImagePropertiesPanel.tsx b/src/app/editor/panels/ImagePropertiesPanel.tsx
index c04b6d8..a989f46 100644
--- a/src/app/editor/panels/ImagePropertiesPanel.tsx
+++ b/src/app/editor/panels/ImagePropertiesPanel.tsx
@@ -22,7 +22,7 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>이미지 소스</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"
+            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="이미지 소스"
             value={source}
             onChange={(e) => {
@@ -50,7 +50,7 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
           <label className="flex flex-col gap-1 text-xs text-slate-400">
             <span>이미지 URL</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"
+              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="이미지 URL"
               value={imageProps.src}
               onChange={(e) => {
@@ -115,7 +115,7 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>대체 텍스트</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"
+            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="대체 텍스트"
             value={imageProps.alt}
             onChange={(e) => {
@@ -126,7 +126,7 @@ 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">이미지 스타일</h4>
 
         {/* 카드 배경색 */}
         <div className="space-y-1">
@@ -147,7 +147,7 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
         <label className="flex flex-col gap-1">
           <span>정렬</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"
+            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="이미지 정렬"
             value={imageProps.align ?? "center"}
             onChange={(e) =>
@@ -166,7 +166,7 @@ export function ImagePropertiesPanel({ imageProps, selectedBlockId, updateBlock
         <label className="flex flex-col gap-1">
           <span>너비 모드</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"
+            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="이미지 너비 모드"
             value={imageProps.widthMode ?? "auto"}
             onChange={(e) =>
diff --git a/src/app/editor/panels/ListPropertiesPanel.tsx b/src/app/editor/panels/ListPropertiesPanel.tsx
index 45063a2..34e3cbd 100644
--- a/src/app/editor/panels/ListPropertiesPanel.tsx
+++ b/src/app/editor/panels/ListPropertiesPanel.tsx
@@ -30,7 +30,7 @@ export function ListPropertiesPanel({
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>리스트 아이템 (줄바꿈으로 구분)</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"
+            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="리스트 아이템들"
             value={(() => {
               const tree = (listProps as any).itemsTree as any[] | undefined;
@@ -85,7 +85,7 @@ export function ListPropertiesPanel({
         <label className="flex items-center gap-2">
           <span>정렬</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+            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="리스트 정렬"
             value={listProps.align}
             onChange={(e) => {
@@ -101,7 +101,7 @@ export function ListPropertiesPanel({
       </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">리스트 스타일</h4>
 
         {/* 글자 크기 */}
         <NumericPropertyControl
@@ -153,10 +153,12 @@ export function ListPropertiesPanel({
           label="텍스트 색상"
           ariaLabelColorInput="리스트 텍스트 색상 피커"
           ariaLabelHexInput="리스트 텍스트 색상 HEX"
+          // 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);
@@ -182,7 +184,7 @@ export function ListPropertiesPanel({
         <label className="flex flex-col gap-1">
           <span>불릿 스타일</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+            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="리스트 불릿 스타일"
             value={listProps.bulletStyle ?? "disc"}
             onChange={(e) => {
diff --git a/src/app/editor/panels/ProjectPropertiesPanel.tsx b/src/app/editor/panels/ProjectPropertiesPanel.tsx
index 53a29be..256878c 100644
--- a/src/app/editor/panels/ProjectPropertiesPanel.tsx
+++ b/src/app/editor/panels/ProjectPropertiesPanel.tsx
@@ -38,14 +38,14 @@ export function ProjectPropertiesPanel() {
   };
 
   return (
-    <div className="space-y-4 text-xs text-slate-200">
+    <div className="space-y-4 text-xs text-slate-900 dark:text-slate-200">
       <h3 className="text-sm font-medium text-slate-100">프로젝트 설정</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">프로젝트 제목</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"
+            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="프로젝트 제목"
             value={projectConfig.title}
             onChange={(e) => updateProjectConfig({ title: e.target.value })}
@@ -55,9 +55,9 @@ 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">프로젝트 주소 (slug)</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"
+            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="프로젝트 주소 (slug)"
             value={projectConfig.slug}
             onChange={(e) => updateProjectConfig({ slug: e.target.value })}
@@ -105,12 +105,12 @@ 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">SEO / 메타</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">SEO 타이틀</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"
+            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="SEO 타이틀"
             placeholder={projectConfig.title || "페이지 제목"}
             value={projectConfig.seoTitle ?? ""}
@@ -119,9 +119,9 @@ export function ProjectPropertiesPanel() {
         </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">메타 디스크립션</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]"
+            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="메타 디스크립션"
             placeholder="검색엔진 및 SNS 공유에 노출될 페이지 설명을 입력하세요."
             value={projectConfig.seoDescription ?? ""}
@@ -130,9 +130,9 @@ export function ProjectPropertiesPanel() {
         </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">OG/Twitter 이미지 URL</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"
+            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="OG/Twitter 이미지 URL"
             placeholder="예: https://example.com/og-image.png"
             value={projectConfig.seoOgImageUrl ?? ""}
@@ -141,9 +141,9 @@ export function ProjectPropertiesPanel() {
         </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">Canonical URL</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"
+            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="Canonical URL"
             placeholder="예: https://example.com/landing"
             value={projectConfig.seoCanonicalUrl ?? ""}
@@ -151,10 +151,10 @@ export function ProjectPropertiesPanel() {
           />
         </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"
+            className="h-3 w-3 rounded border-slate-300 bg-white text-sky-600 dark:border-slate-600 dark:bg-slate-900"
             aria-label="검색 엔진에 노출하지 않기 (noindex)"
             checked={Boolean(projectConfig.seoNoIndex)}
             onChange={(e) => updateProjectConfig({ seoNoIndex: e.target.checked })}
@@ -165,9 +165,9 @@ export function ProjectPropertiesPanel() {
 
       <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">페이지 head HTML</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]"
+            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="페이지 head HTML"
             value={projectConfig.headHtml ?? ""}
             onChange={(e) => updateProjectConfig({ headHtml: e.target.value })}
@@ -178,9 +178,9 @@ export function ProjectPropertiesPanel() {
 
       <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">추적 스크립트</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]"
+            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="추적 스크립트"
             value={projectConfig.trackingScript ?? ""}
             onChange={(e) => updateProjectConfig({ trackingScript: e.target.value })}
diff --git a/src/app/editor/panels/PropertiesSidebar.tsx b/src/app/editor/panels/PropertiesSidebar.tsx
index 2b514d9..ccb0d1f 100644
--- a/src/app/editor/panels/PropertiesSidebar.tsx
+++ b/src/app/editor/panels/PropertiesSidebar.tsx
@@ -666,13 +666,13 @@ export function PropertiesSidebar(props: PropertiesSidebarProps) {
   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 bg-slate-950/40"
+      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 flex items-center gap-2 text-slate-200">
+      <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>속성 패널</span>
       </h2>
@@ -681,7 +681,7 @@ export function PropertiesSidebar(props: PropertiesSidebarProps) {
           <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)}
             >
               <span className="inline-flex items-center gap-2">
@@ -691,7 +691,7 @@ export function PropertiesSidebar(props: PropertiesSidebarProps) {
             </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)}
             >
               <span className="inline-flex items-center gap-2">
@@ -703,7 +703,7 @@ export function PropertiesSidebar(props: PropertiesSidebarProps) {
           <div className="flex justify-end text-[11px]">
             <button
               type="button"
-              className="inline-flex items-center gap-1 rounded border border-slate-700 bg-slate-900 px-2 py-1 text-slate-100 hover:bg-slate-800"
+              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" />
@@ -864,7 +864,7 @@ export function PropertiesSidebar(props: PropertiesSidebarProps) {
 
         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-700 bg-slate-900 p-4 text-xs text-slate-100 shadow-xl">
+            <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
diff --git a/src/app/editor/panels/SectionPropertiesPanel.tsx b/src/app/editor/panels/SectionPropertiesPanel.tsx
index 20a8c0a..913db13 100644
--- a/src/app/editor/panels/SectionPropertiesPanel.tsx
+++ b/src/app/editor/panels/SectionPropertiesPanel.tsx
@@ -61,7 +61,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
         <label className="flex flex-col gap-1">
           <span>배경 이미지 소스</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"
+            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="배경 이미지 소스"
             value={backgroundSource}
             onChange={(e) => {
@@ -94,7 +94,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
           <label className="flex flex-col gap-1">
             <span>배경 이미지 URL</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"
+              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="배경 이미지 URL"
               value={sectionProps.backgroundImageSrc ?? ""}
               onChange={(e) => {
@@ -157,7 +157,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
             <label className="flex flex-col gap-1">
               <span>배경 이미지 위치 모드</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"
+                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="배경 이미지 위치 모드"
                 value={positionMode}
                 onChange={(e) =>
@@ -174,7 +174,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
             <label className="flex flex-col gap-1">
               <span>배경 이미지 크기</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"
+                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="배경 이미지 크기"
                 value={sectionProps.backgroundImageSize ?? "cover"}
                 onChange={(e) =>
@@ -193,7 +193,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
               <label className="flex flex-col gap-1">
                 <span>배경 이미지 위치</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"
+                  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="배경 이미지 위치"
                   value={sectionProps.backgroundImagePosition ?? "center"}
                   onChange={(e) =>
@@ -266,7 +266,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
             <label className="flex flex-col gap-1">
               <span>배경 이미지 반복</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"
+                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="배경 이미지 반복"
                 value={sectionProps.backgroundImageRepeat ?? "no-repeat"}
                 onChange={(e) =>
@@ -290,7 +290,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
         <label className="flex flex-col gap-1">
           <span>배경 비디오 소스</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"
+            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="배경 비디오 소스"
             value={backgroundVideoSource}
             onChange={(e) => {
@@ -323,7 +323,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
           <label className="flex flex-col gap-1">
             <span>배경 비디오 URL</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"
+              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="배경 비디오 URL"
               value={sectionProps.backgroundVideoSrc ?? ""}
               onChange={(e) => {
@@ -413,7 +413,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
         <label className="flex flex-col gap-1">
           <span>섹션 컬럼 레이아웃</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+            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="섹션 컬럼 레이아웃"
             value={(() => {
               const cols = sectionProps.columns ?? [];
@@ -725,7 +725,7 @@ export function SectionPropertiesPanel({ sectionProps, selectedBlockId, updateBl
         <label className="flex flex-col gap-1">
           <span>컬럼 세로 정렬</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+            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="섹션 컬럼 세로 정렬"
             value={sectionProps.alignItems ?? "top"}
             onChange={(e) => {
diff --git a/src/app/editor/panels/TextPropertiesPanel.tsx b/src/app/editor/panels/TextPropertiesPanel.tsx
index 84ecc1f..6425bac 100644
--- a/src/app/editor/panels/TextPropertiesPanel.tsx
+++ b/src/app/editor/panels/TextPropertiesPanel.tsx
@@ -99,7 +99,7 @@ export function TextPropertiesPanel({
       <div className="space-y-1">
         <p className="text-xs text-slate-400">선택한 텍스트 블록 내용</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"
+          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="선택한 텍스트 블록 내용"
           value={textProps.text}
           onChange={(e) => {
@@ -116,7 +116,7 @@ export function TextPropertiesPanel({
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>정렬</span>
           <select
-            className="rounded border border-slate-700 bg-slate-900 px-2 py-1 text-xs outline-none focus:border-sky-500"
+            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="정렬"
             value={textProps.align}
             onChange={(e) => {
@@ -140,7 +140,7 @@ export function TextPropertiesPanel({
               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, {
@@ -155,7 +155,7 @@ export function TextPropertiesPanel({
               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, {
@@ -170,7 +170,7 @@ export function TextPropertiesPanel({
               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, {
@@ -246,7 +246,7 @@ export function TextPropertiesPanel({
           <span>글자 간격</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"
+              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="글자 간격 프리셋"
               value={letterSpacingPreset}
               onChange={(e) => {
@@ -457,7 +457,7 @@ export function TextPropertiesPanel({
           <span>최대 너비</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"
+              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="최대 너비 프리셋"
               value={maxWidthScale}
               onChange={(e) => {
@@ -502,7 +502,7 @@ 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"
+            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="최대 너비 커스텀"
             placeholder="예: 600px, 40rem, 80%, 60ch"
             value={textProps.maxWidthCustom ?? ""}
diff --git a/src/app/editor/panels/VideoPropertiesPanel.tsx b/src/app/editor/panels/VideoPropertiesPanel.tsx
index 1e9ca7b..642e954 100644
--- a/src/app/editor/panels/VideoPropertiesPanel.tsx
+++ b/src/app/editor/panels/VideoPropertiesPanel.tsx
@@ -24,7 +24,7 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
         <label className="flex flex-col gap-1 text-xs text-slate-400">
           <span>비디오 소스</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"
+            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="비디오 소스"
             value={source}
             onChange={(e) => {
@@ -53,7 +53,7 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
           <label className="flex flex-col gap-1 text-xs text-slate-400">
             <span>비디오 URL</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"
+              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="비디오 URL"
               value={videoProps.sourceUrl ?? ""}
               onChange={(e) => {
@@ -112,7 +112,7 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
         <label className="flex flex-col gap-1">
           <span>포스터 이미지 URL</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"
+            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="포스터 이미지 URL"
             value={videoProps.posterImageSrc ?? ""}
             onChange={(e) => {
@@ -175,7 +175,7 @@ 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">비디오 스타일</h4>
 
         {/* 카드 배경색 */}
         <div className="space-y-1">
@@ -196,7 +196,7 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
         <label className="flex flex-col gap-1">
           <span>비디오 정렬</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"
+            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="비디오 정렬"
             value={videoProps.align ?? "center"}
             onChange={(e) =>
@@ -215,7 +215,7 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
         <label className="flex flex-col gap-1">
           <span>비디오 너비 모드</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"
+            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="비디오 너비 모드"
             value={videoProps.widthMode ?? "auto"}
             onChange={(e) =>
@@ -311,7 +311,7 @@ export function VideoPropertiesPanel({ videoProps, selectedBlockId, updateBlock
         <label className="flex flex-col gap-1">
           <span>화면 비율</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"
+            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="화면 비율"
             value={videoProps.aspectRatio ?? "16:9"}
             onChange={(e) =>
diff --git a/src/app/login/page.tsx b/src/app/login/page.tsx
index 46517aa..65c46ea 100644
--- a/src/app/login/page.tsx
+++ b/src/app/login/page.tsx
@@ -3,6 +3,7 @@
 import { FormEvent, useEffect, useState } from "react";
 import { useRouter } from "next/navigation";
 import Link from "next/link";
+import { SunMoon } from "lucide-react";
 
 // 로그인 페이지 컴포넌트
 // - 이메일/비밀번호를 입력받아 /api/auth/login 으로 요청을 전송한다.
@@ -16,6 +17,19 @@ export default function LoginPage() {
   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;
 
@@ -71,16 +85,26 @@ export default function LoginPage() {
   };
 
   return (
-    <main className="min-h-screen flex items-center justify-center bg-slate-950 text-slate-50">
-      <div className="w-full max-w-sm rounded-lg border border-slate-800 bg-slate-900/70 p-6 shadow-xl">
-        <h1 className="text-lg font-semibold mb-1">로그인</h1>
-        <p className="text-xs text-slate-400 mb-4">프로젝트를 관리하려면 먼저 계정으로 로그인하세요.</p>
+    <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">로그인</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>테마 전환</span>
+          </button>
+        </div>
+        <p className="text-xs text-slate-500 mb-4 dark:text-slate-400">프로젝트를 관리하려면 먼저 계정으로 로그인하세요.</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-200">
+            <label htmlFor="email" className="block text-slate-800 dark:text-slate-200">
               이메일
             </label>
             <input
@@ -88,13 +112,13 @@ export default function LoginPage() {
               type="email"
               value={email}
               onChange={(e) => setEmail(e.target.value)}
-              className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs text-slate-50 focus:outline-none focus:ring-1 focus:ring-sky-500"
+              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-200">
+            <label htmlFor="password" className="block text-slate-800 dark:text-slate-200">
               비밀번호
             </label>
             <input
@@ -102,7 +126,7 @@ export default function LoginPage() {
               type="password"
               value={password}
               onChange={(e) => setPassword(e.target.value)}
-              className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs text-slate-50 focus:outline-none focus:ring-1 focus:ring-sky-500"
+              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}
             />
@@ -117,7 +141,7 @@ export default function LoginPage() {
           </button>
         </form>
 
-        <p className="mt-4 text-[11px] text-slate-400">
+        <p className="mt-4 text-[11px] text-slate-500 dark:text-slate-400">
           아직 계정이 없다면
           {" "}
           <Link href="/signup" className="text-sky-300 hover:text-sky-200 underline-offset-2 hover:underline">
diff --git a/src/app/page.tsx b/src/app/page.tsx
index c1680e8..bdcc9c2 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -12,8 +12,8 @@ export default function HomePage() {
   }, [router]);
 
   return (
-    <main className="flex min-h-screen items-center justify-center">
-      <p className="text-sm text-slate-400">대시보드로 이동 중입니다...</p>
+    <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>
   );
 }
diff --git a/src/app/preview/page.tsx b/src/app/preview/page.tsx
index f3d83c8..b41bb0f 100644
--- a/src/app/preview/page.tsx
+++ b/src/app/preview/page.tsx
@@ -91,10 +91,13 @@ export default function PreviewPage() {
   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 {
@@ -158,16 +161,16 @@ 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>
+          <p className="text-xs text-slate-500 dark:text-slate-400">빌더로 만든 페이지를 미리 보는 화면</p>
         </div>
         <div className="flex items-center gap-2 text-xs">
           <button
             type="button"
-            className="inline-flex items-center rounded border border-slate-700 bg-slate-900 px-3 py-1 text-slate-100 hover:bg-slate-800"
+            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();
             }}
@@ -176,13 +179,13 @@ export default function PreviewPage() {
           </button>
           <Link
             href="/projects"
-            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"
+            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"
           >
             프로젝트 목록
           </Link>
           <Link
             href={editorHref}
-            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"
+            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"
           >
             에디터로 돌아가기
           </Link>
diff --git a/src/app/projects/[slug]/submissions/page.tsx b/src/app/projects/[slug]/submissions/page.tsx
index 3eb5051..98b8dd4 100644
--- a/src/app/projects/[slug]/submissions/page.tsx
+++ b/src/app/projects/[slug]/submissions/page.tsx
@@ -1,7 +1,9 @@
 "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";
 
 // 프로젝트별 폼 제출 내역을 조회해서 보여주는 페이지 컴포넌트.
 // - URL 의 slug 파라미터를 기준으로 /api/projects/[slug]/submissions 에 요청을 보낸다.
@@ -26,6 +28,7 @@ export default function ProjectSubmissionsPage() {
   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(() => {
@@ -102,46 +105,121 @@ export default function ProjectSubmissionsPage() {
       .join("\n");
   };
 
+  const handleLogout = async () => {
+    try {
+      const res = await fetch("/api/auth/logout", {
+        method: "POST",
+      });
+
+      if (!res.ok) {
+        setErrorMessage("로그아웃 중 오류가 발생했습니다. 잠시 후 다시 시도해 주세요.");
+        return;
+      }
+
+      router.push("/login");
+    } catch {
+      setErrorMessage("로그아웃 중 오류가 발생했습니다. 잠시 후 다시 시도해 주세요.");
+    }
+  };
+
+  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-950 text-slate-50">
-      <header className="border-b border-slate-800 px-6 py-4 flex items-center justify-between bg-slate-950/80 backdrop-blur">
+    <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-xl font-semibold">폼 제출 내역</h1>
-          <p className="text-xs text-slate-400">프로젝트에 연결된 폼으로 수집된 제출 데이터를 확인할 수 있습니다.</p>
+          <h1 className="text-2xl font-bold tracking-tight">폼 제출 내역</h1>
+          <p className="text-xs text-slate-500 dark:text-slate-400">프로젝트에 연결된 폼으로 수집된 제출 데이터를 확인할 수 있습니다.</p>
+          <p className="mt-1 text-[11px] font-mono text-slate-500 dark:text-slate-400">{slug}</p>
         </div>
-        <div className="text-xs text-slate-300 flex flex-col items-end gap-1">
-          <span className="font-mono text-[11px]">{slug}</span>
-          <a
-            href="/projects"
-            role="link"
-            className="text-[11px] text-sky-400 hover:text-sky-300 underline-offset-2 hover:underline"
-            onClick={(event) => {
-              event.preventDefault();
-              router.push("/projects");
-            }}
+        <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>대시보드</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>프로젝트 목록</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>전체 제출 내역</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}
           >
-            프로젝트 목록
-          </a>
+            <SunMoon className="w-4 h-4" aria-hidden="true" />
+            <span>테마 전환</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);
+              }}
+            >
+              메뉴
+            </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();
+                  }}
+                >
+                  로그아웃
+                </button>
+              </div>
+            )}
+          </div>
         </div>
       </header>
 
-      <section className="flex-1 px-6 py-4 overflow-auto">
+      <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-300 mb-3">{errorMessage}</p>
+          <p className="text-xs text-red-500 mb-3 dark:text-red-300">{errorMessage}</p>
         )}
 
         {status === "loading" && (
-          <p className="text-xs text-slate-400 mb-3">폼 제출 내역을 불러오는 중입니다...</p>
+          <p className="text-xs text-slate-500 mb-3 dark:text-slate-400">폼 제출 내역을 불러오는 중입니다...</p>
         )}
 
         {submissions.length === 0 && status === "idle" && !errorMessage && (
-          <p className="text-xs text-slate-400">아직 수집된 폼 제출 내역이 없습니다.</p>
+          <p className="text-xs text-slate-500 dark:text-slate-400">아직 수집된 폼 제출 내역이 없습니다.</p>
         )}
 
         {submissions.length > 0 && (
           <table className="w-full text-xs text-left border-collapse mt-2">
             <thead>
-              <tr className="border-b border-slate-800 text-slate-400">
+              <tr className="border-b border-slate-200 text-slate-600 dark:border-slate-800 dark:text-slate-400">
                 <th className="py-2 pr-4">제출 시각</th>
                 <th className="py-2 pr-4">이름</th>
                 <th className="py-2 pr-4">이메일</th>
@@ -165,15 +243,18 @@ export default function ProjectSubmissionsPage() {
                 const birthdate = typeof birthdateValue === "string" ? birthdateValue : "";
 
                 return (
-                  <tr key={item.id} className="border-b border-slate-900 hover:bg-slate-900/60">
-                    <td className="py-2 pr-4 text-slate-300 text-[11px]">
+                  <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-100">{name}</td>
-                    <td className="py-2 pr-4 text-slate-300">{email}</td>
-                    <td className="py-2 pr-4 text-slate-300">{phone}</td>
-                    <td className="py-2 pr-4 text-slate-300">{birthdate}</td>
-                    <td className="py-2 pr-4 text-slate-300 whitespace-pre-wrap">
+                    <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>
diff --git a/src/app/projects/page.tsx b/src/app/projects/page.tsx
index 3326055..2116172 100644
--- a/src/app/projects/page.tsx
+++ b/src/app/projects/page.tsx
@@ -292,11 +292,11 @@ export default function ProjectsPage() {
           <>
             <div
               data-testid="projects-toolbar"
-              className="flex items-center justify-between mb-2 text-[11px] text-slate-300"
+              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 bg-slate-900/70 border border-slate-700">
-                  <ListChecks className="w-3 h-3 text-slate-400" aria-hidden="true" />
+                <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>
                     선택된 프로젝트: <span className="font-semibold">{selectedSlugs.length}</span>개
                   </span>
@@ -305,7 +305,7 @@ export default function ProjectsPage() {
               <div className="flex items-center gap-2">
                 <button
                   type="button"
-                  className="inline-flex items-center gap-1 rounded border border-red-700 px-2 py-1 text-red-200 hover:bg-red-900/40 disabled:opacity-40 disabled:cursor-not-allowed"
+                  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();
@@ -316,7 +316,7 @@ export default function ProjectsPage() {
                 </button>
                 <Link
                   href="/editor?new=1"
-                  className="inline-flex items-center gap-1 rounded border border-sky-700 bg-sky-950 px-2 py-1 text-sky-100 hover:bg-sky-900 shadow-sm"
+                  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>새 프로젝트 만들기</span>
@@ -325,7 +325,7 @@ export default function ProjectsPage() {
             </div>
             <table className="w-full text-xs text-left border-collapse mt-2">
               <thead>
-                <tr className="border-b border-slate-800 text-slate-400">
+                <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"
@@ -357,7 +357,10 @@ export default function ProjectsPage() {
                 {pageProjects.map((project) => {
                   const checked = selectedSlugs.includes(project.slug);
                   return (
-                    <tr key={project.id} className="border-b border-slate-900 hover:bg-slate-900/60">
+                    <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"
@@ -375,10 +378,10 @@ export default function ProjectsPage() {
                           }}
                         />
                       </td>
-                      <td className="py-2 pr-4 text-slate-100">{project.title}</td>
-                      <td className="py-2 pr-4 text-slate-300 font-mono text-[11px]">{project.slug}</td>
-                      <td className="py-2 pr-4 text-slate-300">{project.status}</td>
-                      <td className="py-2 pr-4 text-slate-500 text-[11px]">
+                      <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">{project.status}</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]">
@@ -388,28 +391,28 @@ export default function ProjectsPage() {
                         <div className="inline-flex items-center gap-2">
                           <Link
                             href={`/editor?slug=${encodeURIComponent(project.slug)}`}
-                            className="inline-flex items-center gap-1 text-sky-300 hover:text-sky-200 underline-offset-2 hover:underline"
+                            className="inline-flex items-center gap-1 text-sky-600 hover:text-sky-700 underline-offset-2 hover:underline dark:text-sky-300 dark:hover:text-sky-200"
                           >
                             <Pencil className="w-3 h-3" aria-hidden="true" />
                             <span>편집</span>
                           </Link>
                           <Link
                             href={`/preview?slug=${encodeURIComponent(project.slug)}`}
-                            className="inline-flex items-center gap-1 text-slate-300 hover:text-slate-100 underline-offset-2 hover:underline"
+                            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-3 h-3" aria-hidden="true" />
                             <span>미리보기</span>
                           </Link>
                           <Link
                             href={`/projects/${encodeURIComponent(project.slug)}/submissions`}
-                            className="inline-flex items-center gap-1 text-emerald-300 hover:text-emerald-100 underline-offset-2 hover:underline"
+                            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>폼 제출 내역</span>
                           </Link>
                           <button
                             type="button"
-                            className="inline-flex items-center gap-1 text-red-300 hover:text-red-200 underline-offset-2 hover:underline"
+                            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);
                             }}
@@ -425,9 +428,9 @@ export default function ProjectsPage() {
               </tbody>
             </table>
 
-            <div className="mt-3 flex items-center justify-between text-[11px] text-slate-300">
+            <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-900/70 border border-slate-700">
+                <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">
                   전체 {totalCount}개 중{" "}
                   <span className="font-semibold">
                     {totalCount === 0 ? 0 : startIndex + 1}–{Math.min(endIndex, totalCount)}
@@ -446,7 +449,7 @@ export default function ProjectsPage() {
                       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-slate-900 text-slate-300 border-slate-700 hover:bg-slate-800"
+                          : "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}
@@ -458,7 +461,7 @@ export default function ProjectsPage() {
                 <button
                   type="button"
                   disabled={currentPage === 1}
-                  className="inline-flex items-center gap-1 px-2 py-1 rounded border border-slate-700 text-slate-300 disabled:opacity-40 disabled:cursor-not-allowed hover:bg-slate-800"
+                  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" />
@@ -467,7 +470,7 @@ export default function ProjectsPage() {
                 <button
                   type="button"
                   disabled={currentPage === totalPages}
-                  className="inline-flex items-center gap-1 px-2 py-1 rounded border border-slate-700 text-slate-300 disabled:opacity-40 disabled:cursor-not-allowed hover:bg-slate-800"
+                  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>다음</span>
diff --git a/src/app/projects/submissions/page.tsx b/src/app/projects/submissions/page.tsx
index 9f2f468..1f0402b 100644
--- a/src/app/projects/submissions/page.tsx
+++ b/src/app/projects/submissions/page.tsx
@@ -197,7 +197,7 @@ export default function AllProjectSubmissionsPage() {
         {submissions.length > 0 && (
           <table className="w-full text-xs text-left border-collapse mt-2">
             <thead>
-              <tr className="border-b border-slate-800 text-slate-400">
+              <tr className="border-b border-slate-200 text-slate-600 dark:border-slate-800 dark:text-slate-400">
                 <th className="py-2 pr-4">제출 시각</th>
                 <th className="py-2 pr-4">프로젝트</th>
                 <th className="py-2 pr-4">Slug</th>
@@ -223,17 +223,20 @@ export default function AllProjectSubmissionsPage() {
                 const birthdate = typeof birthdateValue === "string" ? birthdateValue : "";
 
                 return (
-                  <tr key={item.id} className="border-b border-slate-900 hover:bg-slate-900/60">
-                    <td className="py-2 pr-4 text-slate-300 text-[11px]">
+                  <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-100">{item.projectTitle ?? "-"}</td>
-                    <td className="py-2 pr-4 text-slate-300">{item.projectSlug}</td>
-                    <td className="py-2 pr-4 text-slate-100">{name}</td>
-                    <td className="py-2 pr-4 text-slate-300">{email}</td>
-                    <td className="py-2 pr-4 text-slate-300">{phone}</td>
-                    <td className="py-2 pr-4 text-slate-300">{birthdate}</td>
-                    <td className="py-2 pr-4 text-slate-300 whitespace-pre-wrap">
+                    <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>
diff --git a/src/app/signup/page.tsx b/src/app/signup/page.tsx
index d8e4e85..63038fe 100644
--- a/src/app/signup/page.tsx
+++ b/src/app/signup/page.tsx
@@ -4,15 +4,37 @@ import { FormEvent, useEffect, useState } from "react";
 import { useRouter } from "next/navigation";
 import Link from "next/link";
 
-// 회원가입 페이지 컴포넌트
-// - 이메일/비밀번호를 입력받아 /api/auth/signup 으로 요청을 전송한다.
-// - 성공 시 /projects 로 이동하고, 실패 시 에러 메시지를 보여준다.
+type PasswordStrengthLabel = "약함" | "보통" | "강함";
+
+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 "약함";
+  }
+
+  if (score === 3) {
+    return "보통";
+  }
+
+  return "강함";
+}
 
 export default function SignupPage() {
   const router = useRouter();
 
   const [email, setEmail] = useState("");
   const [password, setPassword] = useState("");
+  const [passwordConfirm, setPasswordConfirm] = useState("");
   const [error, setError] = useState<string | null>(null);
   const [loading, setLoading] = useState(false);
 
@@ -41,6 +63,11 @@ export default function SignupPage() {
     e.preventDefault();
 
     setError(null);
+    if (password !== passwordConfirm) {
+      setError("비밀번호와 비밀번호 확인이 일치하지 않습니다.");
+      return;
+    }
+
     setLoading(true);
 
     try {
@@ -69,17 +96,19 @@ export default function SignupPage() {
     }
   };
 
+  const strengthLabel = getPasswordStrengthLabel(password);
+
   return (
-    <main className="min-h-screen flex items-center justify-center bg-slate-950 text-slate-50">
-      <div className="w-full max-w-sm rounded-lg border border-slate-800 bg-slate-900/70 p-6 shadow-xl">
+    <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">회원가입</h1>
-        <p className="text-xs text-slate-400 mb-4">새 계정을 생성한 뒤 프로젝트를 저장하고 관리할 수 있습니다.</p>
+        <p className="text-xs text-slate-500 mb-4 dark:text-slate-400">새 계정을 생성한 뒤 프로젝트를 저장하고 관리할 수 있습니다.</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-200">
+            <label htmlFor="email" className="block text-slate-800 dark:text-slate-200">
               이메일
             </label>
             <input
@@ -87,13 +116,13 @@ export default function SignupPage() {
               type="email"
               value={email}
               onChange={(e) => setEmail(e.target.value)}
-              className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs text-slate-50 focus:outline-none focus:ring-1 focus:ring-sky-500"
+              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-200">
+            <label htmlFor="password" className="block text-slate-800 dark:text-slate-200">
               비밀번호
             </label>
             <input
@@ -101,7 +130,52 @@ export default function SignupPage() {
               type="password"
               value={password}
               onChange={(e) => setPassword(e.target.value)}
-              className="w-full rounded border border-slate-700 bg-slate-950 px-2 py-1 text-xs text-slate-50 focus:outline-none focus:ring-1 focus:ring-sky-500"
+              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 === "약함"
+                      ? "w-1/3 bg-red-500"
+                      : strengthLabel === "보통"
+                        ? "w-2/3 bg-amber-500"
+                        : "w-full bg-emerald-600")
+                  }
+                />
+              </div>
+              <p
+                className={
+                  "text-[11px] " +
+                  (strengthLabel === "약함"
+                    ? "text-red-500 dark:text-red-300"
+                    : strengthLabel === "보통"
+                      ? "text-amber-500 dark:text-amber-300"
+                      : "text-emerald-600 dark:text-emerald-300")
+                }
+              >
+                비밀번호 난이도: {strengthLabel}
+              </p>
+            </div>
+          )}
+
+          <div className="space-y-1">
+            <label htmlFor="passwordConfirm" className="block text-slate-800 dark:text-slate-200">
+              비밀번호 확인
+            </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}
             />
@@ -116,7 +190,7 @@ export default function SignupPage() {
           </button>
         </form>
 
-        <p className="mt-4 text-[11px] text-slate-400">
+        <p className="mt-4 text-[11px] text-slate-500 dark:text-slate-400">
           이미 계정이 있다면
           {" "}
           <Link href="/login" className="text-sky-300 hover:text-sky-200 underline-offset-2 hover:underline">
diff --git a/src/features/editor/components/ColorPickerField.tsx b/src/features/editor/components/ColorPickerField.tsx
index caf592d..173ff27 100644
--- a/src/features/editor/components/ColorPickerField.tsx
+++ b/src/features/editor/components/ColorPickerField.tsx
@@ -32,7 +32,7 @@ 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" },
@@ -101,24 +101,26 @@ 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"
           value={value}
@@ -128,30 +130,30 @@ 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">
+                <span className="truncate text-slate-700 dark:text-slate-100">
                   {selectedPalette?.label ?? "색상 팔레트"}
                 </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();
@@ -161,7 +163,7 @@ 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>
diff --git a/src/features/editor/components/NumericPropertyControl.tsx b/src/features/editor/components/NumericPropertyControl.tsx
index ab4997d..4aa6c83 100644
--- a/src/features/editor/components/NumericPropertyControl.tsx
+++ b/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}
diff --git a/src/features/editor/components/PropertySliderField.tsx b/src/features/editor/components/PropertySliderField.tsx
index b022f07..349c637 100644
--- a/src/features/editor/components/PropertySliderField.tsx
+++ b/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}
diff --git a/src/features/editor/components/PublicPageRenderer.tsx b/src/features/editor/components/PublicPageRenderer.tsx
index 719510a..6520d0e 100644
--- a/src/features/editor/components/PublicPageRenderer.tsx
+++ b/src/features/editor/components/PublicPageRenderer.tsx
@@ -101,9 +101,6 @@ const convertPxStringToEm = (value?: string | null) => {
 };
 
 export function PublicPageRenderer({ blocks, projectSlug }: PublicPageRendererProps) {
-  const sectionBlocks = blocks.filter((b) => b.type === "section");
-  const rootBlocks = blocks.filter((b) => !b.sectionId && b.type !== "section");
-
   const [formStatus, setFormStatus] = useState<"idle" | "submitting" | "success" | "error">("idle");
   const [formMessage, setFormMessage] = useState<string>("");
 
@@ -329,7 +326,7 @@ export function PublicPageRenderer({ blocks, projectSlug }: PublicPageRendererPr
       const isRequired = requiredFieldIdSet.has(block.id);
 
       const labelDisplay = (props as any).labelDisplay ?? "visible";
-      const wrapperClassName = `${tokens.wrapperLayoutClass} text-xs text-slate-200`;
+      const wrapperClassName = `${tokens.wrapperLayoutClass} text-xs`;
 
       const rawPlaceholder =
         typeof props.placeholder === "string" ? props.placeholder.trim() : "";
@@ -355,7 +352,9 @@ export function PublicPageRenderer({ blocks, projectSlug }: PublicPageRendererPr
             ? (props as any).paddingY
             : null;
 
-        const floatingFieldStyle: CSSProperties = {};
+        // 플로팅 필드 wrapper 에도 토큰 기반 wrapperStyle 을 전달해,
+        // --pb-input-border-color 와 같은 CSS 변수가 pb-form-field--floating 에 적용되도록 한다.
+        const floatingFieldStyle: CSSProperties = { ...tokens.wrapperStyle };
         if (paddingY !== null) {
           (floatingFieldStyle as any)["--pb-input-padding-y"] = `${paddingY / 16}rem`;
         }
@@ -391,7 +390,7 @@ export function PublicPageRenderer({ blocks, projectSlug }: PublicPageRendererPr
               />
             )}
             {helperText && (
-              <p className="mt-1 text-[10px] text-slate-400">{helperText}</p>
+              <p className="mt-1 text-[10px]">{helperText}</p>
             )}
             <label htmlFor={inputId} className="pb-form-label">
               {props.label}
@@ -523,7 +522,7 @@ export function PublicPageRenderer({ blocks, projectSlug }: PublicPageRendererPr
       const gapPx = typeof (props as any).labelGapPx === "number" ? (props as any).labelGapPx : 8;
       const gapEm = pxToEm(gapPx);
 
-      const baseClass = ["text-slate-200", tokens.widthClass].filter(Boolean).join(" ");
+      const baseClass = [tokens.widthClass].filter(Boolean).join(" ");
       const layoutClass = isInlineLayout ? "flex flex-row items-center" : "flex flex-col gap-1";
 
       const groupStyle: CSSProperties = {
@@ -563,7 +562,7 @@ export function PublicPageRenderer({ blocks, projectSlug }: PublicPageRendererPr
               >
                 <input
                   type="checkbox"
-                  className="h-4 w-4 rounded border-slate-700 bg-slate-900 text-sky-500"
+                  className="h-4 w-4 rounded"
                   name={props.formFieldName}
                   value={opt.value}
                   required={isRequired && index === 0}
@@ -616,7 +615,7 @@ export function PublicPageRenderer({ blocks, projectSlug }: PublicPageRendererPr
       const gapPx = typeof (props as any).labelGapPx === "number" ? (props as any).labelGapPx : 8;
       const gapEm = pxToEm(gapPx);
 
-      const baseClass = ["text-slate-200", tokens.widthClass].filter(Boolean).join(" ");
+      const baseClass = [tokens.widthClass].filter(Boolean).join(" ");
       const layoutClass = isInlineLayout ? "flex flex-row items-center" : "flex flex-col gap-1";
 
       const groupStyle: CSSProperties = {
@@ -655,7 +654,7 @@ export function PublicPageRenderer({ blocks, projectSlug }: PublicPageRendererPr
               >
                 <input
                   type="radio"
-                  className="h-4 w-4 border-slate-700 bg-slate-900 text-sky-500"
+                  className="h-4 w-4"
                   name={props.formFieldName}
                   value={opt.value}
                   required={isRequired && index === 0}
@@ -1054,21 +1053,49 @@ export function PublicPageRenderer({ blocks, projectSlug }: PublicPageRendererPr
     );
   };
 
-  return (
-    <div className="flex-1 flex flex-col text-slate-50">
-      {/* 루트 텍스트/버튼/이미지 블록들이 있다면 pb-root 내에 페이지 상단에 노출 */}
-      {rootBlocks.length > 0 && (
-        <section className="pb-root">
-          <div className="pb-root-inner">
-            {rootBlocks.map((b) => (
-              <div key={b.id}>{renderBlock(b)}</div>
-            ))}
-          </div>
-        </section>
-      )}
+  type LayoutChunk =
+    | { kind: "root"; blocks: Block[] }
+    | { kind: "section"; section: Block };
 
-      {/* 섹션 블록들 */}
-      {sectionBlocks.map((section) => renderSection(section))}
+  const layoutChunks: LayoutChunk[] = [];
+
+  for (const block of blocks) {
+    if (block.type === "section") {
+      layoutChunks.push({ kind: "section", section: block });
+      continue;
+    }
+
+    if (!block.sectionId) {
+      const last = layoutChunks[layoutChunks.length - 1];
+      if (!last || last.kind !== "root") {
+        layoutChunks.push({ kind: "root", blocks: [block] });
+      } else {
+        last.blocks.push(block);
+      }
+    }
+  }
+
+  return (
+    <div className="flex-1 flex flex-col">
+      {layoutChunks.map((chunk, index) => {
+        if (chunk.kind === "root") {
+          if (chunk.blocks.length === 0) {
+            return null;
+          }
+
+          return (
+            <section key={`root-${index}`} className="pb-root">
+              <div className="pb-root-inner">
+                {chunk.blocks.map((b) => (
+                  <div key={b.id}>{renderBlock(b)}</div>
+                ))}
+              </div>
+            </section>
+          );
+        }
+
+        return renderSection(chunk.section);
+      })}
     </div>
   );
 }
diff --git a/src/features/editor/utils/formHelpers.ts b/src/features/editor/utils/formHelpers.ts
index 196dc6c..54968e8 100644
--- a/src/features/editor/utils/formHelpers.ts
+++ b/src/features/editor/utils/formHelpers.ts
@@ -623,7 +623,10 @@ export const computeFormInputPublicTokens = (props: FormInputBlockProps): FormIn
   }
 
   if (props.strokeColorCustom && props.strokeColorCustom.trim() !== "") {
-    inputStyle.borderColor = props.strokeColorCustom.trim();
+    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) {
@@ -814,9 +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) {
diff --git a/src/styles/builder.css b/src/styles/builder.css
index 9a3d9a8..c76cde8 100644
--- a/src/styles/builder.css
+++ b/src/styles/builder.css
@@ -28,6 +28,9 @@
   --pb-color-text-accent: #38bdf8;  /* sky-400 */
   --pb-color-text-danger: #f97373;  /* red-400 근처 */
 
+  /* Form input border 기본 색상 (플로팅 라벨 패치 등에서 재사용) */
+  --pb-color-input-border: #4b5563; /* slate-600 근처 */
+
   /* Text max width */
   --pb-text-maxw-prose: 60ch;
   --pb-text-maxw-narrow: 40ch;
@@ -150,7 +153,7 @@ body {
 
 /* Text color palette */
 .pb-text-color-default {
-  color: var(--pb-color-text-default);
+  color: inherit;
 }
 .pb-text-color-muted {
   color: var(--pb-color-text-muted);
@@ -433,6 +436,8 @@ body {
   display: flex;
   flex-direction: column;
   gap: 0.25rem;
+  /* 플로팅 라벨 패치가 참조하는 입력 테두리 색 기본값 */
+  --pb-input-border-color: var(--pb-color-input-border);
 }
 
 .pb-form-field--floating {
@@ -449,10 +454,9 @@ body {
   top: calc(var(--pb-input-padding-y) + 0.3rem);
   left: 0.75rem;
   font-size: 0.75rem;
-  color: #9ca3af;
   pointer-events: none;
   transform-origin: left top;
-  transition: top 0.15s ease, font-size 0.15s ease, color 0.15s ease;
+  transition: top 0.3s ease, font-size 0.3s ease, color 0.3s ease, background 0.3s ease;
 }
 
 .pb-form-field--floating .pb-input,
@@ -470,16 +474,22 @@ body {
 .pb-form-field--floating .pb-input:not(:placeholder-shown) ~ .pb-form-label,
 .pb-form-field--floating .pb-textarea:focus ~ .pb-form-label,
 .pb-form-field--floating .pb-textarea:not(:placeholder-shown) ~ .pb-form-label {
-  top: -0.3rem; /* 인풋 상단 보더에 살짝 겹치는 정도로만 띄운다. */
+  top: -0.425rem; /* 인풋 상단 보더에 살짝 겹치는 정도로만 띄운다. */
   font-size: 0.725rem;
-  color: #e5e7eb;
-  background-color: #020617; /* 인풋 배경과 맞춰서 보더 라인을 자연스럽게 가린다. */
-  padding: 0 0.25rem;
+  padding: 0.25rem 1.725rem;
+  color: #bbf7d0;
+  /* 필드 테두리 색(또는 기본값)을 사용해 라벨 뒤에 부드러운 패치를 그린다.
+     가운데는 var(--pb-input-border-color), 양 끝은 투명으로 페이드되도록 설정한다. */
+  background: radial-gradient(
+    ellipse closest-side,
+    var(--pb-input-border-color) 70%,
+    transparent
+  );
+  background-repeat: no-repeat;
 }
 
 .pb-form-label {
   font-size: 0.75rem;
-  color: #e5e7eb;
 }
 
 .pb-form-options {
@@ -501,20 +511,17 @@ body {
   align-items: center;
   gap: 0.25rem;
   font-size: 0.75rem;
-  color: #e5e7eb;
 }
 
 .pb-input,
 .pb-select,
 .pb-textarea {
   width: 100%;
+  border: 1px solid var(--pb-color-input-border);
   border-radius: 0.375rem;
-  border: 1px solid #1f2937;
-  background-color: #020617;
   /* 세로 패딩은 CSS 변수로 정의해 플로팅 라벨/에디터 등이 함께 참조할 수 있게 한다. */
   padding: var(--pb-input-padding-y, 0.5rem) 0.75rem;
   font-size: 0.75rem;
-  color: #e5e7eb;
   box-sizing: border-box;
 }
 
@@ -534,7 +541,6 @@ body {
   padding-left: 1.25rem;
   font-size: 0.875rem;
   line-height: var(--pb-leading-normal);
-  color: var(--pb-color-text-default);
 }
 
 /* 리스트 아이템 간 여백은 --pb-list-gap 커스텀 프로퍼티로 제어한다.
diff --git a/src/styles/editor.css b/src/styles/editor.css
index 40f537b..2d48f00 100644
--- a/src/styles/editor.css
+++ b/src/styles/editor.css
@@ -8,3 +8,58 @@
 /* 초기 상태에서는 별도 규칙 없이 파일만 생성해 두고,
  * 이후 에디터 전용 레이아웃/패널 스타일을 점진적으로 이동시킨다.
  */
+
+/*
+ * 에디터/프리뷰용 스크롤바 테마
+ * - .pb-scroll 클래스를 사용하는 컨테이너에서 라이트/다크 테마에 맞는 스크롤바 색상을 적용한다.
+ * - builder.css 의 .pb-scroll 기본값은 다크 톤이므로, 여기서는 Tailwind dark 모드(html.dark)를 기준으로
+ *   라이트/다크 테마별로 명시적으로 override 한다.
+ */
+
+/* 라이트 모드: 밝은 배경에 어울리는 연한 스크롤바 */
+html:not(.dark) .pb-scroll {
+	scrollbar-width: thin;
+	scrollbar-color: #94a3b8 #e5e7eb; /* thumb / track */
+}
+
+html:not(.dark) .pb-scroll::-webkit-scrollbar {
+	width: 8px;
+}
+
+html:not(.dark) .pb-scroll::-webkit-scrollbar-track {
+	background-color: #e5e7eb; /* slate-200 */
+}
+
+html:not(.dark) .pb-scroll::-webkit-scrollbar-thumb {
+	background-color: #94a3b8; /* slate-400 */
+	border-radius: 9999px;
+	border: 2px solid #e5e7eb;
+}
+
+html:not(.dark) .pb-scroll::-webkit-scrollbar-thumb:hover {
+	background-color: #64748b; /* slate-500 */
+}
+
+/* 다크 모드: 기존 builder.css 톤과 유사한 다크 스크롤바 */
+html.dark .pb-scroll {
+	scrollbar-width: thin;
+	scrollbar-color: #1f2937 #020617; /* thumb / track */
+}
+
+html.dark .pb-scroll::-webkit-scrollbar {
+	width: 8px;
+}
+
+html.dark .pb-scroll::-webkit-scrollbar-track {
+	background-color: #020617; /* slate-950 */
+}
+
+html.dark .pb-scroll::-webkit-scrollbar-thumb {
+	background-color: #1f2937; /* slate-800 */
+	border-radius: 9999px;
+	border: 2px solid #020617;
+}
+
+html.dark .pb-scroll::-webkit-scrollbar-thumb:hover {
+	background-color: #374151; /* slate-700 */
+}
diff --git a/src/styles/globals.css b/src/styles/globals.css
index 358e5bf..0f0749e 100644
--- a/src/styles/globals.css
+++ b/src/styles/globals.css
@@ -1,3 +1,4 @@
+@config "../../tailwind.config.js";
 @import "tailwindcss";
 
 html,
diff --git a/test-results/.last-run.json b/test-results/.last-run.json
index cbcc1fb..fecc95a 100644
--- a/test-results/.last-run.json
+++ b/test-results/.last-run.json
@@ -1,4 +1,6 @@
 {
-  "status": "passed",
-  "failedTests": []
+  "status": "failed",
+  "failedTests": [
+    "d748ac400d08b85935ef-757239636c99b1185767"
+  ]
 }
\ No newline at end of file
diff --git a/test-results/auth-비로그인-사용자가-projects-에-접근하면-login-으로-리다이렉트되어야-한다-chromium/error-context.md b/test-results/auth-비로그인-사용자가-projects-에-접근하면-login-으로-리다이렉트되어야-한다-chromium/error-context.md
new file mode 100644
index 0000000..6b7dd17
--- /dev/null
+++ b/test-results/auth-비로그인-사용자가-projects-에-접근하면-login-으로-리다이렉트되어야-한다-chromium/error-context.md
@@ -0,0 +1,37 @@
+# Page snapshot
+
+```yaml
+- generic [active] [ref=e1]:
+  - main [ref=e2]:
+    - generic [ref=e3]:
+      - generic [ref=e4]:
+        - heading "프로젝트 목록" [level=1] [ref=e5]
+        - paragraph [ref=e6]: 저장된 프로젝트들을 한 눈에 볼 수 있는 목록
+      - generic [ref=e7]:
+        - navigation [ref=e8]:
+          - link "대시보드" [ref=e9] [cursor=pointer]:
+            - /url: /dashboard
+            - img [ref=e10]
+            - generic [ref=e15]: 대시보드
+          - link "프로젝트 목록" [ref=e16] [cursor=pointer]:
+            - /url: /projects
+            - img [ref=e17]
+            - generic [ref=e19]: 프로젝트 목록
+          - link "전체 제출 내역" [ref=e20] [cursor=pointer]:
+            - /url: /projects/submissions
+            - img [ref=e21]
+            - generic [ref=e24]: 전체 제출 내역
+        - button "테마 전환" [ref=e25]:
+          - img [ref=e26]
+          - generic [ref=e30]: 테마 전환
+        - button "메뉴" [ref=e32]
+    - paragraph [ref=e34]: 프로젝트 목록을 불러오는 중 인증 오류가 발생했습니다. 다시 로그인해 주세요.
+  - button "Open Next.js Dev Tools" [ref=e40] [cursor=pointer]:
+    - generic [ref=e43]:
+      - text: Compiling
+      - generic [ref=e44]:
+        - generic [ref=e45]: .
+        - generic [ref=e46]: .
+        - generic [ref=e47]: .
+  - alert [ref=e48]
+```
\ No newline at end of file
diff --git a/tests/api/export.spec.ts b/tests/api/export.spec.ts
index 70f07bc..0d0102a 100644
--- a/tests/api/export.spec.ts
+++ b/tests/api/export.spec.ts
@@ -259,6 +259,22 @@ describe("/api/export", () => {
     expect(htmlColors).toContain('style="background-color:#222222;margin:0;padding:0;"');
   });
 
+	it("bodyBgColorHex 가 빈 문자열이면 buildStaticHtml 의 body style 에 background-color 가 포함되지 않아야 한다", () => {
+		const blocks: Block[] = [];
+
+		const projectConfig: ProjectConfig = {
+			title: "배경색 비어 있음 테스트",
+			slug: "body-bg-empty-test",
+			canvasPreset: "full",
+			canvasBgColorHex: "#0f172a",
+			bodyBgColorHex: "",
+		} as ProjectConfig;
+
+		const html = buildStaticHtml(blocks, projectConfig);
+		// body style 에 background-color 가 없어야 한다.
+		expect(html).toContain('<body style="margin:0;padding:0;"');
+	});
+
   it("projectConfig.headHtml / trackingScript 가 head 와 body 에 반영되어야 한다", async () => {
     const blocks: Block[] = [];
 
diff --git a/tests/unit/AllProjectSubmissionsPage.spec.tsx b/tests/unit/AllProjectSubmissionsPage.spec.tsx
index 81d1bc4..d43b143 100644
--- a/tests/unit/AllProjectSubmissionsPage.spec.tsx
+++ b/tests/unit/AllProjectSubmissionsPage.spec.tsx
@@ -171,6 +171,56 @@ describe("AllProjectSubmissionsPage - 전체 폼 제출 내역", () => {
     expect(submissionsLink.closest("a")?.getAttribute("href")).toBe("/projects/submissions");
   });
 
+  it("전체 제출 내역 테이블은 라이트 테마에서 읽기 쉬운 텍스트 색상을 사용해야 한다", async () => {
+    const submissions = [
+      {
+        id: "1",
+        createdAt: "2025-01-01T12:00:00.000Z",
+        projectSlug: "proj-1",
+        projectTitle: "프로젝트 1",
+        payload: {
+          name: "홍길동",
+          email: "user@example.com",
+          phone: "010-1234-5678",
+          birthdate: "1990-01-01",
+          message: "안녕하세요",
+        },
+      },
+    ];
+
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify(submissions), {
+        status: 200,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    const { container } = render(<AllProjectSubmissionsPage />);
+
+    await waitFor(() => {
+      expect(fetchMock).toHaveBeenCalledTimes(1);
+    });
+
+    const headerRow = container.querySelector("thead tr") as HTMLElement | null;
+    expect(headerRow).not.toBeNull();
+
+    const headerClass = headerRow!.className;
+    expect(headerClass).toContain("border-slate-200");
+    expect(headerClass).toContain("text-slate-600");
+    expect(headerClass).toContain("dark:border-slate-800");
+    expect(headerClass).toContain("dark:text-slate-400");
+
+    const nameCellNode = await screen.findByText("홍길동");
+    const nameCell = nameCellNode.closest("td") as HTMLElement | null;
+    expect(nameCell).not.toBeNull();
+
+    const nameClass = nameCell!.className;
+    expect(nameClass).toContain("text-slate-900");
+    expect(nameClass).toContain("dark:text-slate-100");
+  });
+
   it("GNB에서 현재 페이지인 '전체 제출 내역' 탭에 aria-current=\"page\"가 설정되어야 한다", async () => {
     const fetchMock = vi.fn().mockResolvedValue(
       new Response(JSON.stringify([]), {
diff --git a/tests/unit/BlocksSidebar.spec.tsx b/tests/unit/BlocksSidebar.spec.tsx
index 12952cc..63e7ba2 100644
--- a/tests/unit/BlocksSidebar.spec.tsx
+++ b/tests/unit/BlocksSidebar.spec.tsx
@@ -210,5 +210,77 @@ describe("BlocksSidebar - 템플릿 버튼", () => {
     // 다시 클릭하면 펼쳐져야 한다.
     fireEvent.click(templateToggle);
     expect(screen.getByRole("button", { name: "Hero 템플릿" })).toBeDefined();
+  });
+
+	it("블록 추가 버튼들은 라이트/다크 테마에 맞는 배경/텍스트 클래스를 사용해야 한다", () => {
+		render(<BlocksSidebar />);
+
+		const textButton = screen.getByRole("button", { name: "텍스트" });
+		const className = textButton.getAttribute("class") ?? "";
+
+		// 라이트 모드: 밝은 배경 + 어두운 텍스트
+		expect(className).toContain("bg-slate-50");
+		expect(className).toContain("text-slate-900");
+
+		// 다크 모드: 기존 다크 스타일 유지
+		expect(className).toContain("dark:bg-slate-900");
+		expect(className).toContain("dark:text-slate-100");
+	});
+
+	it("히어로 템플릿 카드는 라이트/다크 테마에 맞는 카드 배경/테두리 클래스를 사용해야 한다", () => {
+		render(<BlocksSidebar />);
+
+		const heroDescription = screen.getByText(
+			"페이지 상단 Hero 섹션 (큰 제목 + 서브텍스트 + 버튼)",
+		);
+		const card = heroDescription.closest("div");
+		expect(card).not.toBeNull();
+
+		const className = card!.getAttribute("class") ?? "";
+		expect(className).toContain("bg-slate-50");
+		expect(className).toContain("border-slate-200");
+		expect(className).toContain("dark:border-slate-800");
+		expect(className).toContain("dark:bg-slate-950/50");
+	});
+
+	it("히어로 템플릿 추가 버튼은 라이트/다크 테마에 맞는 배경/텍스트 클래스를 사용해야 한다", () => {
+		render(<BlocksSidebar />);
+
+		const heroButton = screen.getByRole("button", { name: "Hero 템플릿" });
+		const className = heroButton.getAttribute("class") ?? "";
+
+		// 라이트 모드: 밝은 배경 + 어두운 텍스트
+		expect(className).toContain("bg-slate-50");
+		expect(className).toContain("text-slate-900");
+		// 다크 모드: 기존 다크 톤 유지
+		expect(className).toContain("dark:bg-slate-900");
+		expect(className).toContain("dark:text-slate-100");
+	});
+
+	it("히어로 템플릿 썸네일 프레임은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+		render(<BlocksSidebar />);
+
+		const thumb = screen.getByTestId("template-preview-hero") as HTMLDivElement;
+		const className = thumb.getAttribute("class") ?? "";
+
+		// 라이트 모드: 밝은 카드 배경 + 연한 테두리
+		expect(className).toContain("bg-slate-100");
+		expect(className).toContain("border-slate-300");
+		// 다크 모드: 기존 다크 카드 톤 유지
+		expect(className).toContain("dark:bg-slate-900");
+		expect(className).toContain("dark:border-slate-700");
+	});
+
+  it("사이드바 루트는 라이트/다크 테마에 맞는 배경/테두리 클래스를 사용해야 한다", () => {
+    const { container } = render(<BlocksSidebar />);
+
+    const aside = container.querySelector("aside") as HTMLElement | null;
+    expect(aside).not.toBeNull();
+
+    const className = aside!.getAttribute("class") ?? "";
+    expect(className).toContain("bg-white");
+    expect(className).toContain("border-slate-200");
+    expect(className).toContain("dark:border-slate-800");
+    expect(className).toContain("dark:bg-slate-950/40");
   });
 });
diff --git a/tests/unit/ButtonPropertiesPanel.spec.tsx b/tests/unit/ButtonPropertiesPanel.spec.tsx
index 707754e..68bb59e 100644
--- a/tests/unit/ButtonPropertiesPanel.spec.tsx
+++ b/tests/unit/ButtonPropertiesPanel.spec.tsx
@@ -80,6 +80,46 @@ describe("ButtonPropertiesPanel", () => {
     );
   });
 
+	it("텍스트 색상 팔레트에서 \"없음\" 을 선택하면 textColorCustom 이 빈 문자열로 업데이트되어야 한다", () => {
+		const updateBlock = vi.fn();
+
+		render(
+			<ButtonPropertiesPanel
+				buttonProps={{ ...baseProps, textColorCustom: "#ff0000" }}
+				selectedBlockId="btn-text-none"
+				updateBlock={updateBlock}
+			/>,
+		);
+
+		// 첫 번째 ColorPickerField(텍스트 색상)의 팔레트 버튼을 연다.
+		const paletteButtons = screen.getAllByText("색상 팔레트");
+		fireEvent.click(paletteButtons[0].closest("button") as HTMLButtonElement);
+
+		// 팔레트에서 "없음" 항목을 버튼 role 기준으로 선택한다.
+		const noneButtons = screen.getAllByRole("button", { name: "없음" });
+		fireEvent.click(noneButtons[0]);
+
+		expect(updateBlock).toHaveBeenCalledWith(
+			"btn-text-none",
+			expect.objectContaining({ textColorCustom: "" }),
+		);
+	});
+
+	it("textColorCustom 이 비어 있으면 버튼 텍스트 색상 HEX 인풋 값은 빈 문자열이어야 한다", () => {
+		const updateBlock = vi.fn();
+
+		render(
+			<ButtonPropertiesPanel
+				buttonProps={{ ...baseProps, textColorCustom: "" }}
+				selectedBlockId="btn-text-empty"
+				updateBlock={updateBlock}
+			/>,
+		);
+
+		const hexInput = screen.getByLabelText("버튼 텍스트 색상 HEX") as HTMLInputElement;
+		expect(hexInput.value).toBe("");
+	});
+
   it("버튼 너비 모드 셀렉트 변경 시 updateBlock 이 widthMode 로 호출되어야 한다", () => {
     const updateBlock = vi.fn();
 
@@ -200,6 +240,28 @@ describe("ButtonPropertiesPanel", () => {
     );
   });
 
+  it("버튼 텍스트 textarea 는 라이트/다크 테마에 맞는 배경/텍스트 클래스를 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <ButtonPropertiesPanel
+        buttonProps={baseProps}
+        selectedBlockId="btn-theme"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const textarea = screen.getByLabelText("버튼 텍스트") as HTMLTextAreaElement;
+    const className = textarea.getAttribute("class") ?? "";
+
+    // 라이트 모드: 흰 배경 + 어두운 텍스트
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    // 다크 모드: 다크 배경 + 밝은 텍스트
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+  });
+
   it("가로 패딩 슬라이더 변경 시 updateBlock 이 paddingX 로 호출되어야 한다", () => {
     const updateBlock = vi.fn();
 
@@ -399,4 +461,43 @@ describe("ButtonPropertiesPanel", () => {
       expect.objectContaining({ letterSpacingCustom: "1em" }),
     );
   });
+
+  it("버튼 주요 인풋/셀렉트 컨트롤은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <ButtonPropertiesPanel
+        buttonProps={baseProps as any}
+        selectedBlockId="btn-theme"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const labelTextarea = screen.getByLabelText("버튼 텍스트") as HTMLTextAreaElement;
+    const labelClass = labelTextarea.getAttribute("class") ?? "";
+    expect(labelClass).toContain("bg-white");
+    expect(labelClass).toContain("text-slate-900");
+    expect(labelClass).toContain("border-slate-300");
+    expect(labelClass).toContain("dark:bg-slate-900");
+    expect(labelClass).toContain("dark:text-slate-100");
+    expect(labelClass).toContain("dark:border-slate-700");
+
+    const imageSourceSelect = screen.getByLabelText("버튼 이미지 소스") as HTMLSelectElement;
+    const imageSourceClass = imageSourceSelect.getAttribute("class") ?? "";
+    expect(imageSourceClass).toContain("bg-white");
+    expect(imageSourceClass).toContain("text-slate-900");
+    expect(imageSourceClass).toContain("border-slate-300");
+    expect(imageSourceClass).toContain("dark:bg-slate-900");
+    expect(imageSourceClass).toContain("dark:text-slate-100");
+    expect(imageSourceClass).toContain("dark:border-slate-700");
+
+    const alignSelect = screen.getByLabelText("버튼 정렬") as HTMLSelectElement;
+    const alignClass = alignSelect.getAttribute("class") ?? "";
+    expect(alignClass).toContain("bg-white");
+    expect(alignClass).toContain("text-slate-900");
+    expect(alignClass).toContain("border-slate-300");
+    expect(alignClass).toContain("dark:bg-slate-900");
+    expect(alignClass).toContain("dark:text-slate-100");
+    expect(alignClass).toContain("dark:border-slate-700");
+  });
 });
diff --git a/tests/unit/ColorPickerField.spec.tsx b/tests/unit/ColorPickerField.spec.tsx
new file mode 100644
index 0000000..05b6a9b
--- /dev/null
+++ b/tests/unit/ColorPickerField.spec.tsx
@@ -0,0 +1,93 @@
+import { describe, it, expect } from "vitest";
+import { render, screen, fireEvent } from "@testing-library/react";
+import { ColorPickerField, TEXT_COLOR_PALETTE } from "@/features/editor/components/ColorPickerField";
+
+describe("ColorPickerField - 테마", () => {
+  it("HEX 텍스트 인풋은 라이트/다크 테마에 맞는 배경/텍스트 클래스를 사용해야 한다", () => {
+    render(
+      <ColorPickerField
+        label="색상"
+        ariaLabelColorInput="컬러 입력"
+        ariaLabelHexInput="HEX 입력"
+        value="#ff0000"
+        onChange={() => {}}
+        palette={TEXT_COLOR_PALETTE}
+      />,
+    );
+
+    const hexInput = screen.getByLabelText("HEX 입력") as HTMLInputElement;
+    const className = hexInput.getAttribute("class") ?? "";
+
+    // 라이트 모드: 흰 배경 + 어두운 텍스트
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    // 다크 모드: 다크 배경 + 밝은 텍스트
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+  });
+
+  it("팔레트 드롭다운 요약 버튼은 라이트/다크 테마에 맞는 배경/텍스트 클래스를 사용해야 한다", () => {
+    render(
+      <ColorPickerField
+        label="색상"
+        ariaLabelColorInput="컬러 입력"
+        ariaLabelHexInput="HEX 입력"
+        value="#ff0000"
+        onChange={() => {}}
+        palette={TEXT_COLOR_PALETTE}
+      />,
+    );
+
+    const [label] = screen.getAllByText("색상 팔레트");
+    const button = label.closest("button") as HTMLButtonElement | null;
+    expect(button).not.toBeNull();
+
+    const className = button!.getAttribute("class") ?? "";
+
+    // 라이트 모드: 밝은 배경 + 어두운 텍스트
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    // 다크 모드: 다크 배경 + 밝은 텍스트
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+  });
+
+  it("팔레트 드롭다운 항목은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    render(
+      <ColorPickerField
+        label="색상"
+        ariaLabelColorInput="컬러 입력"
+        ariaLabelHexInput="HEX 입력"
+        value="#ff0000"
+        onChange={() => {}}
+        palette={TEXT_COLOR_PALETTE}
+      />, 
+    );
+
+    // 드롭다운을 연다
+    const [label] = screen.getAllByText("색상 팔레트");
+    const toggleButton = label.closest("button") as HTMLButtonElement | null;
+    expect(toggleButton).not.toBeNull();
+    fireEvent.click(toggleButton!);
+
+    // 팔레트 첫 항목("기본") 버튼을 찾는다
+    const itemButton = screen.getByRole("button", { name: "기본" }) as HTMLButtonElement;
+    const className = itemButton.getAttribute("class") ?? "";
+
+    // 라이트 모드: 흰 배경 + 어두운 텍스트
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    // 다크 모드: 다크 배경 + 밝은 텍스트
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+
+    // 색상 불렛(span)은 테두리를 가져야 한다 (흰색/투명 색상도 배경과 구분되도록)
+    const bullet = itemButton.querySelector("span span") as HTMLSpanElement | null;
+    expect(bullet).not.toBeNull();
+    const bulletClass = bullet!.getAttribute("class") ?? "";
+    expect(bulletClass).toContain("rounded-full");
+    expect(bulletClass).toContain("border");
+    expect(bulletClass).toContain("border-slate-300");
+    expect(bulletClass).toContain("dark:border-slate-700");
+  });
+});
diff --git a/tests/unit/DividerPropertiesPanel.spec.tsx b/tests/unit/DividerPropertiesPanel.spec.tsx
index 41e0d77..77795e0 100644
--- a/tests/unit/DividerPropertiesPanel.spec.tsx
+++ b/tests/unit/DividerPropertiesPanel.spec.tsx
@@ -143,4 +143,43 @@ describe("DividerPropertiesPanel", () => {
       expect.objectContaining({ marginYPx: 24 }),
     );
   });
+
+  it("DividerPropertiesPanel 주요 셀렉트 컨트롤은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <DividerPropertiesPanel
+        dividerProps={baseProps}
+        selectedBlockId="divider-theme-1"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const alignSelect = screen.getByLabelText("구분선 정렬") as HTMLSelectElement;
+    const alignClass = alignSelect.getAttribute("class") ?? "";
+    expect(alignClass).toContain("bg-white");
+    expect(alignClass).toContain("text-slate-900");
+    expect(alignClass).toContain("border-slate-300");
+    expect(alignClass).toContain("dark:bg-slate-900");
+    expect(alignClass).toContain("dark:text-slate-100");
+    expect(alignClass).toContain("dark:border-slate-700");
+
+    const thicknessSelect = screen.getByLabelText("구분선 두께") as HTMLSelectElement;
+    const thicknessClass = thicknessSelect.getAttribute("class") ?? "";
+    expect(thicknessClass).toContain("bg-white");
+    expect(thicknessClass).toContain("text-slate-900");
+    expect(thicknessClass).toContain("border-slate-300");
+    expect(thicknessClass).toContain("dark:bg-slate-900");
+    expect(thicknessClass).toContain("dark:text-slate-100");
+    expect(thicknessClass).toContain("dark:border-slate-700");
+
+    const widthModeSelect = screen.getByLabelText("구분선 길이 모드") as HTMLSelectElement;
+    const widthModeClass = widthModeSelect.getAttribute("class") ?? "";
+    expect(widthModeClass).toContain("bg-white");
+    expect(widthModeClass).toContain("text-slate-900");
+    expect(widthModeClass).toContain("border-slate-300");
+    expect(widthModeClass).toContain("dark:bg-slate-900");
+    expect(widthModeClass).toContain("dark:text-slate-100");
+    expect(widthModeClass).toContain("dark:border-slate-700");
+  });
 });
diff --git a/tests/unit/EditorCanvasBackground.spec.tsx b/tests/unit/EditorCanvasBackground.spec.tsx
index 41fe9c4..c039e0a 100644
--- a/tests/unit/EditorCanvasBackground.spec.tsx
+++ b/tests/unit/EditorCanvasBackground.spec.tsx
@@ -1,7 +1,7 @@
 import { describe, it, expect, afterEach } from "vitest";
 import { render, screen, cleanup } from "@testing-library/react";
 import type { Block, ProjectConfig } from "@/features/editor/state/editorStore";
-import { EditorCanvas } from "@/app/editor/EditorCanvas";
+import { EditorCanvas, EditorCanvasDragPreview } from "@/app/editor/EditorCanvas";
 
 // 에디터 캔버스/페이지 배경색 적용 규칙에 대한 최소 TDD
 // - canvasBgColorHex: 실제 캔버스 영역(editor-canvas-inner)의 배경색
@@ -73,4 +73,30 @@ describe("EditorCanvas - 캔버스/페이지 배경색", () => {
     // custom 프리셋에서는 canvasWidthPx 값이 그대로 사용된다.
     expect(renderWithConfig({ canvasPreset: "custom", canvasWidthPx: 1024 })).toBe("1024px");
   });
+
+  it("DragOverlay 프리뷰는 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const block: Block = {
+      id: "drag_1",
+      type: "text",
+      props: {
+        text: "드래그 미리보기",
+        align: "left",
+        size: "base",
+      },
+    } as any;
+
+    const { container } = render(<EditorCanvasDragPreview block={block} />);
+
+    const overlay = container.querySelector(
+      "div.pointer-events-none.rounded.border",
+    ) as HTMLElement | null;
+    expect(overlay).not.toBeNull();
+
+    const className = overlay!.getAttribute("class") ?? "";
+    expect(className).toContain("border-sky-500");
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+  });
 });
diff --git a/tests/unit/EditorFormBlocksStyle.spec.tsx b/tests/unit/EditorFormBlocksStyle.spec.tsx
index d2d6a7f..4358793 100644
--- a/tests/unit/EditorFormBlocksStyle.spec.tsx
+++ b/tests/unit/EditorFormBlocksStyle.spec.tsx
@@ -214,6 +214,28 @@ describe("EditorPage - 폼 블록 스타일", () => {
     expect(input.className).toContain("pb-input");
   });
 
+	it("formInput 에디터 렌더에는 text-slate-* 색상 클래스가 없어야 한다", () => {
+		const blocks: Block[] = [
+			{
+				id: "form_input_neutral_editor",
+				type: "formInput",
+				props: {
+					label: "폼 입력",
+					formFieldName: "input_neutral",
+					inputType: "text",
+				} as any,
+			},
+		];
+
+		mockState.blocks = blocks;
+		mockState.selectedBlockId = "form_input_neutral_editor";
+
+		render(<EditorPage />);
+
+		const label = screen.getByText("폼 입력");
+		expect(label.className).not.toContain("text-slate-");
+	});
+
   it("formSelect: textColorCustom / fillColorCustom / strokeColorCustom / widthPx / borderRadius 가 에디터 렌더에 반영되어야 한다", () => {
     const blocks: Block[] = [
       {
@@ -275,6 +297,30 @@ describe("EditorPage - 폼 블록 스타일", () => {
     expect(select.className).toContain("pb-select");
   });
 
+	it("formSelect 에디터 렌더에는 text-slate-* 색상 클래스가 없어야 한다", () => {
+		const blocks: Block[] = [
+			{
+				id: "form_select_neutral_editor",
+				type: "formSelect",
+				props: {
+					label: "폼 셀렉트",
+					formFieldName: "select_neutral",
+					options: [
+						{ label: "A", value: "a" },
+					],
+				} as any,
+			},
+		];
+
+		mockState.blocks = blocks;
+		mockState.selectedBlockId = "form_select_neutral_editor";
+
+		render(<EditorPage />);
+
+		const label = screen.getByText("폼 셀렉트");
+		expect(label.className).not.toContain("text-slate-");
+	});
+
   it("formRadio: textColorCustom / fillColorCustom / strokeColorCustom / widthPx / borderRadius 가 에디터 렌더에 반영되어야 한다", () => {
     const blocks: Block[] = [
       {
@@ -313,6 +359,87 @@ describe("EditorPage - 폼 블록 스타일", () => {
     expect(groupContainer.style.borderRadius).toBe("6px");
   });
 
+	it("formRadio 에디터 그룹 컨테이너에는 text-slate-* 색상 클래스가 없어야 한다", () => {
+		const blocks: Block[] = [
+			{
+				id: "form_radio_neutral_editor",
+				type: "formRadio",
+				props: {
+					formFieldName: "radio-neutral",
+					groupLabel: "라디오 그룹",
+					options: [
+						{ label: "옵션 A", value: "a" },
+					],
+				} as any,
+			},
+		];
+
+		mockState.blocks = blocks;
+		mockState.selectedBlockId = "form_radio_neutral_editor";
+
+		render(<EditorPage />);
+
+		const label = screen.getByText("라디오 그룹");
+		const groupContainer = label.closest("div") as HTMLElement;
+		expect(groupContainer.className).not.toContain("text-slate-");
+	});
+
+	it("formRadio 에디터 프리뷰의 옵션 input 은 OS 기본 스타일을 사용하기 위해 색상 관련 Tailwind 클래스(bg-/text-/border-)를 사용하지 않아야 한다", () => {
+		const blocks: Block[] = [
+			{
+				id: "form_radio_os_editor",
+				type: "formRadio",
+				props: {
+					formFieldName: "radio-os",
+					groupLabel: "라디오 OS",
+					options: [{ label: "옵션 A", value: "a" }],
+				} as any,
+			},
+		];
+
+		mockState.blocks = blocks;
+		mockState.selectedBlockId = "form_radio_os_editor";
+
+		render(<EditorPage />);
+
+		const label = screen.getByText("라디오 OS");
+		const groupContainer = label.closest("div") as HTMLElement;
+		const input = groupContainer.querySelector("input[type='radio']") as HTMLInputElement | null;
+		expect(input).not.toBeNull();
+		// 크기/모양(h-4,w-4 등)만 유지하고, 색상 관련 Tailwind 유틸은 사용하지 않는다.
+		expect(input!.className).not.toContain("bg-");
+		expect(input!.className).not.toContain("text-");
+		expect(input!.className).not.toContain("border-");
+	});
+
+	it("formCheckbox 에디터 프리뷰의 옵션 input 은 OS 기본 스타일을 사용하기 위해 색상 관련 Tailwind 클래스(bg-/text-/border-)를 사용하지 않아야 한다", () => {
+		const blocks: Block[] = [
+			{
+				id: "form_checkbox_os_editor",
+				type: "formCheckbox",
+				props: {
+					formFieldName: "check-os",
+					groupLabel: "체크 OS",
+					options: [{ label: "체크 1", value: "c1" }],
+				} as any,
+			},
+		];
+
+		mockState.blocks = blocks;
+		mockState.selectedBlockId = "form_checkbox_os_editor";
+
+		render(<EditorPage />);
+
+		const label = screen.getByText("체크 OS");
+		const groupContainer = label.closest("div") as HTMLElement;
+		const input = groupContainer.querySelector("input[type='checkbox']") as HTMLInputElement | null;
+		expect(input).not.toBeNull();
+		// 크기/모양(h-4,w-4,rounded 등)만 유지하고, 색상 관련 Tailwind 유틸은 사용하지 않는다.
+		expect(input!.className).not.toContain("bg-");
+		expect(input!.className).not.toContain("text-");
+		expect(input!.className).not.toContain("border-");
+	});
+
   it("formCheckbox: textColorCustom / fillColorCustom / strokeColorCustom / widthPx / borderRadius 가 에디터 렌더에 반영되어야 한다", () => {
     const blocks: Block[] = [
       {
@@ -351,6 +478,31 @@ describe("EditorPage - 폼 블록 스타일", () => {
     expect(groupContainer.style.borderRadius).toBe("6px");
   });
 
+	it("formCheckbox 에디터 그룹 컨테이너에는 text-slate-* 색상 클래스가 없어야 한다", () => {
+		const blocks: Block[] = [
+			{
+				id: "form_checkbox_neutral_editor",
+				type: "formCheckbox",
+				props: {
+					formFieldName: "checkbox-neutral",
+					groupLabel: "체크 그룹",
+					options: [
+						{ label: "체크 1", value: "c1" },
+					],
+				} as any,
+			},
+		];
+
+		mockState.blocks = blocks;
+		mockState.selectedBlockId = "form_checkbox_neutral_editor";
+
+		render(<EditorPage />);
+
+		const label = screen.getByText("체크 그룹");
+		const groupContainer = label.closest("div") as HTMLElement;
+		expect(groupContainer.className).not.toContain("text-slate-");
+	});
+
   it("formRadio: 그룹 타이틀 레이아웃이 inline 이면 에디터에서도 라벨과 필드 컨테이너가 가로 정렬되고 columnGap 이 labelGapPx 로 반영되어야 한다", () => {
     const blocks: Block[] = [
       {
diff --git a/tests/unit/EditorPageBackground.spec.tsx b/tests/unit/EditorPageBackground.spec.tsx
index 36184f6..1188a50 100644
--- a/tests/unit/EditorPageBackground.spec.tsx
+++ b/tests/unit/EditorPageBackground.spec.tsx
@@ -1,5 +1,5 @@
 import { describe, it, expect, beforeEach, afterEach, vi } from "vitest";
-import { render, screen, cleanup } from "@testing-library/react";
+import { render, screen, cleanup, fireEvent } from "@testing-library/react";
 import type { Block, ProjectConfig } from "@/features/editor/state/editorStore";
 import EditorPage from "@/app/editor/page";
 
@@ -97,4 +97,100 @@ describe("EditorPage - 페이지/캔버스 배경", () => {
     const canvasOuter = screen.getByTestId("editor-canvas") as HTMLElement;
     expect(canvasOuter.style.backgroundColor).toBe("rgb(34, 34, 34)");
   });
+
+  it("main 요소는 전역 라이트/다크 테마 클래스(bg-slate-100 text-slate-900 dark:bg-slate-950 dark:text-slate-50)를 사용해야 한다", () => {
+    const { container } = render(<EditorPage />);
+
+    const mainEl = container.querySelector("main") as HTMLElement | null;
+    expect(mainEl).not.toBeNull();
+
+    const className = mainEl!.getAttribute("class") ?? "";
+    expect(className).toContain("bg-slate-100");
+    expect(className).toContain("text-slate-900");
+    expect(className).toContain("dark:bg-slate-950");
+    expect(className).toContain("dark:text-slate-50");
+  });
+
+  it("프로젝트 저장/불러오기 모달 카드는 라이트/다크 테마에 맞는 카드/인풋 크롬을 사용해야 한다", () => {
+    render(<EditorPage />);
+
+    const menuButton = screen.getByRole("button", { name: /메뉴/ });
+    fireEvent.click(menuButton);
+
+    const projectMenuItem = screen.getByRole("button", { name: "프로젝트 저장/불러오기" });
+    fireEvent.click(projectMenuItem);
+
+    const heading = screen.getByText("프로젝트 저장 / 불러오기");
+    const headerDiv = heading.closest("div") as HTMLDivElement | null;
+    expect(headerDiv).not.toBeNull();
+
+    const card = headerDiv!.parentElement as HTMLDivElement | null;
+    expect(card).not.toBeNull();
+
+    const cardClass = card!.getAttribute("class") ?? "";
+    expect(cardClass).toContain("bg-white");
+    expect(cardClass).toContain("text-slate-900");
+    expect(cardClass).toContain("border-slate-200");
+    expect(cardClass).toContain("dark:bg-slate-900");
+    expect(cardClass).toContain("dark:text-slate-100");
+    expect(cardClass).toContain("dark:border-slate-700");
+
+    const titleSpan = Array.from(card!.querySelectorAll("span")).find(
+      (el) => el.textContent === "프로젝트 제목",
+    );
+    expect(titleSpan).not.toBeUndefined();
+    const titleWrapper = (titleSpan as HTMLSpanElement).parentElement as HTMLElement | null;
+    expect(titleWrapper).not.toBeNull();
+
+    const titleInput = titleWrapper!.querySelector("input") as HTMLInputElement | null;
+    expect(titleInput).not.toBeNull();
+
+    const inputClass = titleInput!.getAttribute("class") ?? "";
+    expect(inputClass).toContain("bg-white");
+    expect(inputClass).toContain("text-slate-900");
+    expect(inputClass).toContain("border-slate-300");
+    expect(inputClass).toContain("dark:bg-slate-900");
+    expect(inputClass).toContain("dark:text-slate-100");
+    expect(inputClass).toContain("dark:border-slate-700");
+  });
+
+  it("JSON Export / Import 모달 카드는 라이트/다크 테마에 맞는 카드/textarea 크롬을 사용해야 한다", () => {
+    render(<EditorPage />);
+
+    const menuButton = screen.getByRole("button", { name: /메뉴/ });
+    fireEvent.click(menuButton);
+
+    const jsonMenuItem = screen.getByRole("button", { name: "JSON 내보내기/불러오기" });
+    fireEvent.click(jsonMenuItem);
+
+    const heading = screen.getByText(/JSON Export \/ Import/);
+    const headerDiv = heading.closest("div") as HTMLDivElement | null;
+    expect(headerDiv).not.toBeNull();
+
+    const card = headerDiv!.parentElement as HTMLDivElement | null;
+    expect(card).not.toBeNull();
+
+    const cardClass = card!.getAttribute("class") ?? "";
+    expect(cardClass).toContain("bg-white");
+    expect(cardClass).toContain("text-slate-900");
+    expect(cardClass).toContain("border-slate-200");
+    expect(cardClass).toContain("dark:bg-slate-900");
+    expect(cardClass).toContain("dark:text-slate-100");
+    expect(cardClass).toContain("dark:border-slate-700");
+
+    const jsonLabel = screen.getByText("에디터 상태 JSON");
+    const jsonWrapper = jsonLabel.parentElement as HTMLElement | null;
+    expect(jsonWrapper).not.toBeNull();
+
+    const textarea = jsonWrapper!.querySelector("textarea") as HTMLTextAreaElement | null;
+    expect(textarea).not.toBeNull();
+
+    const textareaClass = textarea!.getAttribute("class") ?? "";
+    expect(textareaClass).toContain("bg-white");
+    expect(textareaClass).toContain("text-slate-900");
+    expect(textareaClass).toContain("border-slate-300");
+    expect(textareaClass).toContain("dark:bg-slate-900");
+    expect(textareaClass).toContain("dark:text-slate-100");
+    expect(textareaClass).toContain("dark:border-slate-700");
+  });
 });
diff --git a/tests/unit/EditorSelectionFocus.spec.tsx b/tests/unit/EditorSelectionFocus.spec.tsx
index 461e0e4..508e53c 100644
--- a/tests/unit/EditorSelectionFocus.spec.tsx
+++ b/tests/unit/EditorSelectionFocus.spec.tsx
@@ -87,6 +87,90 @@ vi.mock("next/navigation", () => {
 });
 
 describe("EditorPage - 선택 포커스", () => {
+  it("선택/비선택 블록 셸은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const blocks: Block[] = [
+      {
+        id: "blk_1",
+        type: "text",
+        props: {
+          text: "첫 번째 블록",
+          align: "left",
+          size: "base",
+        },
+      } as any,
+      {
+        id: "blk_2",
+        type: "text",
+        props: {
+          text: "두 번째 블록",
+          align: "left",
+          size: "base",
+        },
+      } as any,
+    ];
+
+    mockState.blocks = blocks;
+    mockState.selectedBlockId = "blk_2";
+
+    render(<EditorPage />);
+
+    const allBlocks = screen.getAllByTestId("editor-block") as HTMLElement[];
+    const selected = allBlocks.find((el) => el.dataset.selected === "true");
+    const nonSelected = allBlocks.find((el) => el.dataset.selected !== "true");
+
+    expect(selected).toBeTruthy();
+    expect(nonSelected).toBeTruthy();
+
+    const selectedClass = selected!.className;
+    const nonSelectedClass = nonSelected!.className;
+
+    // 선택된 블록: 하이라이트 보더 + 라이트/다크 배경/텍스트 듀얼 테마
+    expect(selectedClass).toContain("border-sky-500");
+    expect(selectedClass).toContain("bg-sky-50");
+    expect(selectedClass).toContain("text-slate-900");
+    expect(selectedClass).toContain("dark:bg-slate-900/80");
+    expect(selectedClass).toContain("dark:text-slate-100");
+
+    // 비선택 블록: 기본 카드 크롬(라이트/다크 듀얼)
+    expect(nonSelectedClass).toContain("border-slate-200");
+    expect(nonSelectedClass).toContain("bg-white");
+    expect(nonSelectedClass).toContain("text-slate-900");
+    expect(nonSelectedClass).toContain("dark:border-slate-700");
+    expect(nonSelectedClass).toContain("dark:bg-slate-900");
+    expect(nonSelectedClass).toContain("dark:text-slate-100");
+  });
+
+  it("블록 드래그 핸들은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const blocks: Block[] = [
+      {
+        id: "blk_1",
+        type: "text",
+        props: {
+          text: "첫 번째 블록",
+          align: "left",
+          size: "base",
+        },
+      } as any,
+    ];
+
+    mockState.blocks = blocks;
+    mockState.selectedBlockId = "blk_1";
+
+    render(<EditorPage />);
+
+    const handle = screen.getByLabelText("블록 드래그 핸들") as HTMLButtonElement;
+    const className = handle.getAttribute("class") ?? "";
+
+    // 라이트 모드: 밝은 버튼 크롬
+    expect(className).toContain("border-slate-300");
+    expect(className).toContain("bg-slate-50");
+    expect(className).toContain("text-slate-500");
+    // 다크 모드: 기존 다크 톤 유지
+    expect(className).toContain("dark:border-slate-700");
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-400");
+  });
+
   it("선택된 블록은 editor-block 에 border-sky-500 / bg-slate-900/80 하이라이트를 가져야 한다", () => {
     const blocks: Block[] = [
       {
@@ -150,6 +234,40 @@ describe("EditorPage - 선택 포커스", () => {
     expect(sectionEl.className).toContain("border-sky-500");
   });
 
+	it("EditorPage 레이아웃은 main 에 h-screen 컨테이너를 사용하고, 좌/중/우 컬럼이 각각 스크롤되어야 한다", () => {
+		mockState.blocks = [];
+		mockState.selectedBlockId = null;
+
+		const { container } = render(<EditorPage />);
+
+		const main = container.querySelector("main") as HTMLElement;
+		expect(main).toBeTruthy();
+		const mainClass = main.getAttribute("class") ?? "";
+		// 전체 에디터는 뷰포트 높이에 맞춘 h-screen 컨테이너 안에서 동작해야 한다.
+		expect(mainClass).toContain("h-screen");
+		expect(mainClass).not.toContain("min-h-screen");
+		expect(mainClass).toContain("flex");
+		expect(mainClass).toContain("overflow-hidden");
+
+		// 좌측 BlocksSidebar 는 자체 스크롤(overflow-y-auto)을 가져야 한다.
+		const blocksSidebar = screen.getByTestId("blocks-sidebar") as HTMLElement;
+		const blocksClass = blocksSidebar.getAttribute("class") ?? "";
+		expect(blocksClass).toContain("overflow-y-auto");
+		expect(blocksClass).toContain("pb-scroll");
+
+		// 중앙 EditorCanvas 는 자체 스크롤(overflow-auto)을 가져야 한다.
+		const canvas = screen.getByTestId("editor-canvas") as HTMLElement;
+		const canvasClass = canvas.getAttribute("class") ?? "";
+		expect(canvasClass).toContain("overflow-auto");
+		expect(canvasClass).toContain("pb-scroll");
+
+		// 우측 PropertiesSidebar 도 자체 스크롤(overflow-auto)을 가져야 한다.
+		const propsSidebar = screen.getByTestId("properties-sidebar") as HTMLElement;
+		const propsClass = propsSidebar.getAttribute("class") ?? "";
+		expect(propsClass).toContain("overflow-auto");
+		expect(propsClass).toContain("pb-scroll");
+	});
+
   it("섹션 자식 블록을 선택해도 섹션 wrapper 가 강조되어야 한다", () => {
     const section: Block = {
       id: "sec_1",
diff --git a/tests/unit/FormControllerPanel.spec.tsx b/tests/unit/FormControllerPanel.spec.tsx
index 3371c36..cc7eccd 100644
--- a/tests/unit/FormControllerPanel.spec.tsx
+++ b/tests/unit/FormControllerPanel.spec.tsx
@@ -1,5 +1,5 @@
 import { describe, it, expect, vi, afterEach } from "vitest";
-import { render, screen, fireEvent, cleanup } from "@testing-library/react";
+import { render, screen, fireEvent, cleanup, within } from "@testing-library/react";
 import { FormControllerPanel } from "@/app/editor/forms/FormControllerPanel";
 import type { Block, FormBlockProps } from "@/features/editor/state/editorStore";
 
@@ -222,4 +222,183 @@ describe("FormControllerPanel", () => {
     expect(scriptTextarea.value).toContain("params.email || \"\"");
     expect(scriptTextarea.value).toContain("new Date()");
   });
+
+  it("폼 컨트롤러 주요 인풋/셀렉트 컨트롤은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const formBlock = makeFormBlock("form-theme", {
+      submitTarget: "webhook",
+    } as any);
+
+    const updateBlock = vi.fn();
+
+    render(
+      <FormControllerPanel
+        block={formBlock}
+        blocks={[formBlock]}
+        selectedBlockId="form-theme"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const submitTargetSelect = screen.getByLabelText("전송 대상") as HTMLSelectElement;
+    const submitTargetClass = submitTargetSelect.getAttribute("class") ?? "";
+    expect(submitTargetClass).toContain("bg-white");
+    expect(submitTargetClass).toContain("text-slate-900");
+    expect(submitTargetClass).toContain("border-slate-300");
+    expect(submitTargetClass).toContain("dark:bg-slate-900");
+    expect(submitTargetClass).toContain("dark:text-slate-100");
+    expect(submitTargetClass).toContain("dark:border-slate-700");
+
+    const formWidthModeSelect = screen.getByLabelText("폼 너비 모드") as HTMLSelectElement;
+    const formWidthModeClass = formWidthModeSelect.getAttribute("class") ?? "";
+    expect(formWidthModeClass).toContain("bg-white");
+    expect(formWidthModeClass).toContain("text-slate-900");
+    expect(formWidthModeClass).toContain("border-slate-300");
+    expect(formWidthModeClass).toContain("dark:bg-slate-900");
+    expect(formWidthModeClass).toContain("dark:text-slate-100");
+    expect(formWidthModeClass).toContain("dark:border-slate-700");
+
+    const successInput = screen.getByLabelText("성공 메시지") as HTMLInputElement;
+    const successClass = successInput.getAttribute("class") ?? "";
+    expect(successClass).toContain("bg-white");
+    expect(successClass).toContain("text-slate-900");
+    expect(successClass).toContain("border-slate-300");
+    expect(successClass).toContain("dark:bg-slate-900");
+    expect(successClass).toContain("dark:text-slate-100");
+    expect(successClass).toContain("dark:border-slate-700");
+
+    const errorInput = screen.getByLabelText("에러 메시지") as HTMLInputElement;
+    const errorClass = errorInput.getAttribute("class") ?? "";
+    expect(errorClass).toContain("bg-white");
+    expect(errorClass).toContain("text-slate-900");
+    expect(errorClass).toContain("border-slate-300");
+    expect(errorClass).toContain("dark:bg-slate-900");
+    expect(errorClass).toContain("dark:text-slate-100");
+    expect(errorClass).toContain("dark:border-slate-700");
+
+    const extraParamsTextarea = screen.getByLabelText(/추가 파라미터/) as HTMLTextAreaElement;
+    const extraParamsClass = extraParamsTextarea.getAttribute("class") ?? "";
+    expect(extraParamsClass).toContain("bg-white");
+    expect(extraParamsClass).toContain("text-slate-900");
+    expect(extraParamsClass).toContain("border-slate-300");
+    expect(extraParamsClass).toContain("dark:bg-slate-900");
+    expect(extraParamsClass).toContain("dark:text-slate-100");
+    expect(extraParamsClass).toContain("dark:border-slate-700");
+  });
+
+  it("Google Sheets 연동 가이드 모달 카드와 textarea 는 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const formBlock = makeFormBlock("form-webhook-theme", {
+      submitTarget: "webhook",
+    } as any);
+
+    const updateBlock = vi.fn();
+
+    render(
+      <FormControllerPanel
+        block={formBlock}
+        blocks={[formBlock]}
+        selectedBlockId="form-webhook-theme"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const guideButton = screen.getByRole("button", { name: "Google Sheets 연동 가이드" });
+    fireEvent.click(guideButton);
+
+    const heading = screen.getByRole("heading", { name: "Google Sheets 연동 가이드" });
+    const card = heading.closest("div")?.parentElement as HTMLDivElement | null;
+    expect(card).not.toBeNull();
+
+    const cardClass = card!.getAttribute("class") ?? "";
+    expect(cardClass).toContain("bg-white");
+    expect(cardClass).toContain("text-slate-900");
+    expect(cardClass).toContain("border-slate-200");
+    expect(cardClass).toContain("dark:bg-slate-900");
+    expect(cardClass).toContain("dark:text-slate-100");
+    expect(cardClass).toContain("dark:border-slate-700");
+
+    const scriptTextarea = screen.getByDisplayValue(/function doPost/) as HTMLTextAreaElement;
+    const scriptClass = scriptTextarea.getAttribute("class") ?? "";
+    expect(scriptClass).toContain("bg-white");
+    expect(scriptClass).toContain("text-slate-900");
+    expect(scriptClass).toContain("border-slate-300");
+    expect(scriptClass).toContain("dark:bg-slate-900");
+    expect(scriptClass).toContain("dark:text-slate-100");
+    expect(scriptClass).toContain("dark:border-slate-700");
+  });
+
+  it("폼 필드 매핑 체크박스와 필수 체크박스는 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const formBlock = makeFormBlock("form-fields-theme", {
+      fieldIds: ["input-1"],
+      requiredFieldIds: ["input-1"],
+    } as any);
+
+    const inputBlock: Block = {
+      id: "input-1",
+      type: "formInput",
+      props: {
+        label: "이름",
+        formFieldName: "name",
+      } as any,
+    } as any;
+
+    const updateBlock = vi.fn();
+
+    render(
+      <FormControllerPanel
+        block={formBlock}
+        blocks={[formBlock, inputBlock]}
+        selectedBlockId="form-fields-theme"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const fieldset = screen.getByRole("group", { name: "폼 필드 매핑" });
+    const checkboxes = within(fieldset).getAllByRole("checkbox");
+
+    const includeCheckbox = checkboxes[0] as HTMLInputElement;
+    const requiredCheckbox = checkboxes[1] as HTMLInputElement;
+
+    for (const checkbox of [includeCheckbox, requiredCheckbox]) {
+      const className = checkbox.getAttribute("class") ?? "";
+      expect(className).toContain("bg-white");
+      expect(className).toContain("border-slate-300");
+      expect(className).toContain("dark:bg-slate-900");
+      expect(className).toContain("dark:border-slate-600");
+    }
+  });
+
+  it("Submit 버튼 셀렉트는 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const formBlock = makeFormBlock("form-submit-theme", {
+      submitButtonId: "btn-1",
+    } as any);
+
+    const buttonBlock: Block = {
+      id: "btn-1",
+      type: "button",
+      props: {
+        label: "제출하기",
+      } as any,
+    } as any;
+
+    const updateBlock = vi.fn();
+
+    render(
+      <FormControllerPanel
+        block={formBlock}
+        blocks={[formBlock, buttonBlock]}
+        selectedBlockId="form-submit-theme"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const select = screen.getByLabelText("Submit 버튼") as HTMLSelectElement;
+    const className = select.getAttribute("class") ?? "";
+
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    expect(className).toContain("border-slate-300");
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+    expect(className).toContain("dark:border-slate-700");
+  });
 });
diff --git a/tests/unit/FormFieldPropertiesPanels.spec.tsx b/tests/unit/FormFieldPropertiesPanels.spec.tsx
index 15cd0bc..d44fd97 100644
--- a/tests/unit/FormFieldPropertiesPanels.spec.tsx
+++ b/tests/unit/FormFieldPropertiesPanels.spec.tsx
@@ -104,6 +104,56 @@ describe("FormInputPropertiesPanel", () => {
     );
   });
 
+	it("텍스트 색상 팔레트에서 \"없음\" 을 선택하면 FormInput textColorCustom 이 빈 문자열로 업데이트되어야 한다", () => {
+		const updateBlock = vi.fn();
+
+		const block = makeBlock<FormInputBlockProps>("f-input-none", "formInput", {
+			...baseProps,
+			textColorCustom: "#ff0000",
+		} as any);
+
+		render(
+			<FormInputPropertiesPanel
+				block={block}
+				selectedBlockId="f-input-none"
+				updateBlock={updateBlock}
+			/>,
+		);
+
+		// 첫 번째 ColorPickerField(필드 텍스트 색상)의 팔레트 버튼을 연다.
+		const paletteButtons = screen.getAllByText("색상 팔레트");
+		fireEvent.click(paletteButtons[0].closest("button") as HTMLButtonElement);
+
+		// 팔레트에서 "없음" 항목을 버튼 role 기준으로 선택한다.
+		const noneButtons = screen.getAllByRole("button", { name: "없음" });
+		fireEvent.click(noneButtons[0]);
+
+		expect(updateBlock).toHaveBeenCalledWith(
+			"f-input-none",
+			expect.objectContaining({ textColorCustom: "" }),
+		);
+	});
+
+	it("FormInput textColorCustom 이 비어 있으면 필드 텍스트 색상 HEX 인풋 값은 빈 문자열이어야 한다", () => {
+		const updateBlock = vi.fn();
+
+		const block = makeBlock<FormInputBlockProps>("f-input-empty", "formInput", {
+			...baseProps,
+			textColorCustom: "",
+		} as any);
+
+		render(
+			<FormInputPropertiesPanel
+				block={block}
+				selectedBlockId="f-input-empty"
+				updateBlock={updateBlock}
+			/>,
+		);
+
+		const hexInput = screen.getByLabelText("필드 텍스트 색상 HEX") as HTMLInputElement;
+		expect(hexInput.value).toBe("");
+	});
+
   it("필드 너비 셀렉트 변경 시 updateBlock 이 widthMode 로 호출되어야 한다", () => {
     const updateBlock = vi.fn();
 
@@ -266,6 +316,67 @@ describe("FormInputPropertiesPanel", () => {
       expect.objectContaining({ paddingY: 12 }),
     );
   });
+
+  it("FormInput 기본 인풋/셀렉트 컨트롤은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    const block = makeBlock<FormInputBlockProps>("f-input-theme", "formInput", {
+      ...baseProps,
+    } as any);
+
+    render(
+      <FormInputPropertiesPanel
+        block={block}
+        selectedBlockId="f-input-theme"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const labelTypeSelect = screen.getByLabelText("라벨 타입") as HTMLSelectElement;
+    const labelTypeClass = labelTypeSelect.getAttribute("class") ?? "";
+    expect(labelTypeClass).toContain("bg-white");
+    expect(labelTypeClass).toContain("text-slate-900");
+    expect(labelTypeClass).toContain("border-slate-300");
+    expect(labelTypeClass).toContain("dark:bg-slate-900");
+    expect(labelTypeClass).toContain("dark:text-slate-100");
+    expect(labelTypeClass).toContain("dark:border-slate-700");
+
+    const labelInput = screen.getByLabelText("필드 라벨") as HTMLInputElement;
+    const labelInputClass = labelInput.getAttribute("class") ?? "";
+    expect(labelInputClass).toContain("bg-white");
+    expect(labelInputClass).toContain("text-slate-900");
+    expect(labelInputClass).toContain("border-slate-300");
+    expect(labelInputClass).toContain("dark:bg-slate-900");
+    expect(labelInputClass).toContain("dark:text-slate-100");
+    expect(labelInputClass).toContain("dark:border-slate-700");
+
+    const labelDisplaySelect = screen.getByLabelText("라벨 표시 방식") as HTMLSelectElement;
+    const labelDisplayClass = labelDisplaySelect.getAttribute("class") ?? "";
+    expect(labelDisplayClass).toContain("bg-white");
+    expect(labelDisplayClass).toContain("text-slate-900");
+    expect(labelDisplayClass).toContain("border-slate-300");
+    expect(labelDisplayClass).toContain("dark:bg-slate-900");
+    expect(labelDisplayClass).toContain("dark:text-slate-100");
+    expect(labelDisplayClass).toContain("dark:border-slate-700");
+
+    const fieldTypeSelect = screen.getByLabelText("필드 타입") as HTMLSelectElement;
+    const fieldTypeClass = fieldTypeSelect.getAttribute("class") ?? "";
+    expect(fieldTypeClass).toContain("bg-white");
+    expect(fieldTypeClass).toContain("text-slate-900");
+    expect(fieldTypeClass).toContain("border-slate-300");
+    expect(fieldTypeClass).toContain("dark:bg-slate-900");
+    expect(fieldTypeClass).toContain("dark:text-slate-100");
+    expect(fieldTypeClass).toContain("dark:border-slate-700");
+
+    const placeholderInput = screen.getByLabelText("Placeholder") as HTMLInputElement;
+    const placeholderClass = placeholderInput.getAttribute("class") ?? "";
+    expect(placeholderClass).toContain("bg-white");
+    expect(placeholderClass).toContain("text-slate-900");
+    expect(placeholderClass).toContain("border-slate-300");
+    expect(placeholderClass).toContain("dark:bg-slate-900");
+    expect(placeholderClass).toContain("dark:text-slate-100");
+    expect(placeholderClass).toContain("dark:border-slate-700");
+  });
 });
 
 describe("FormSelectPropertiesPanel", () => {
@@ -679,6 +790,91 @@ describe("FormSelectPropertiesPanel", () => {
       expect.objectContaining({ borderRadius: "full" }),
     );
   });
+
+  it("FormSelect 기본 인풋/셀렉트/옵션 편집 컨트롤은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    const block = makeBlock<FormSelectBlockProps>("f-select-theme", "formSelect", {
+      ...baseProps,
+    } as any);
+
+    render(
+      <FormSelectPropertiesPanel
+        block={block}
+        selectedBlockId="f-select-theme"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const labelTypeSelect = screen.getByLabelText("라벨 타입") as HTMLSelectElement;
+    const labelTypeClass = labelTypeSelect.getAttribute("class") ?? "";
+    expect(labelTypeClass).toContain("bg-white");
+    expect(labelTypeClass).toContain("text-slate-900");
+    expect(labelTypeClass).toContain("border-slate-300");
+    expect(labelTypeClass).toContain("dark:bg-slate-900");
+    expect(labelTypeClass).toContain("dark:text-slate-100");
+    expect(labelTypeClass).toContain("dark:border-slate-700");
+
+    const labelInput = screen.getByLabelText("필드 라벨") as HTMLInputElement;
+    const labelInputClass = labelInput.getAttribute("class") ?? "";
+    expect(labelInputClass).toContain("bg-white");
+    expect(labelInputClass).toContain("text-slate-900");
+    expect(labelInputClass).toContain("border-slate-300");
+    expect(labelInputClass).toContain("dark:bg-slate-900");
+    expect(labelInputClass).toContain("dark:text-slate-100");
+    expect(labelInputClass).toContain("dark:border-slate-700");
+
+    const labelDisplaySelect = screen.getByLabelText("라벨 표시 방식") as HTMLSelectElement;
+    const labelDisplayClass = labelDisplaySelect.getAttribute("class") ?? "";
+    expect(labelDisplayClass).toContain("bg-white");
+    expect(labelDisplayClass).toContain("text-slate-900");
+    expect(labelDisplayClass).toContain("border-slate-300");
+    expect(labelDisplayClass).toContain("dark:bg-slate-900");
+    expect(labelDisplayClass).toContain("dark:text-slate-100");
+    expect(labelDisplayClass).toContain("dark:border-slate-700");
+
+    const widthModeSelect = screen.getByLabelText("필드 너비") as HTMLSelectElement;
+    const widthModeClass = widthModeSelect.getAttribute("class") ?? "";
+    expect(widthModeClass).toContain("bg-white");
+    expect(widthModeClass).toContain("text-slate-900");
+    expect(widthModeClass).toContain("border-slate-300");
+    expect(widthModeClass).toContain("dark:bg-slate-900");
+    expect(widthModeClass).toContain("dark:text-slate-100");
+    expect(widthModeClass).toContain("dark:border-slate-700");
+
+    const optionLabelInput = screen.getByPlaceholderText("라벨") as HTMLInputElement;
+    const optionLabelClass = optionLabelInput.getAttribute("class") ?? "";
+    expect(optionLabelClass).toContain("bg-white");
+    expect(optionLabelClass).toContain("text-slate-900");
+    expect(optionLabelClass).toContain("border-slate-300");
+    expect(optionLabelClass).toContain("dark:bg-slate-900");
+    expect(optionLabelClass).toContain("dark:text-slate-100");
+    expect(optionLabelClass).toContain("dark:border-slate-700");
+  });
+
+  it("FormSelect 옵션 행은 라벨/값 인풋과 삭제 버튼을 위한 3열 그리드 레이아웃 클래스를 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    const block = makeBlock<FormSelectBlockProps>("f-select-option-layout", "formSelect", {
+      ...baseProps,
+    } as any);
+
+    render(
+      <FormSelectPropertiesPanel
+        block={block}
+        selectedBlockId="f-select-option-layout"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const optionLabelInput = screen.getByPlaceholderText("라벨") as HTMLInputElement;
+    const rowDiv = optionLabelInput.closest("div") as HTMLDivElement | null;
+    expect(rowDiv).not.toBeNull();
+
+    const rowClass = rowDiv!.getAttribute("class") ?? "";
+    expect(rowClass).toContain("grid");
+    expect(rowClass).toContain("grid-cols-[minmax(0,1fr)_minmax(0,1fr)_auto]");
+  });
 });
 
 describe("FormCheckboxPropertiesPanel", () => {
@@ -1042,6 +1238,32 @@ describe("FormCheckboxPropertiesPanel", () => {
     );
   });
 
+  it("FormCheckbox 필드 너비 셀렉트는 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    const block = makeBlock<FormCheckboxBlockProps>("f-check-theme-width", "formCheckbox", {
+      ...baseProps,
+    } as any);
+
+    render(
+      <FormCheckboxPropertiesPanel
+        block={block}
+        selectedBlockId="f-check-theme-width"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const select = screen.getByLabelText("필드 너비") as HTMLSelectElement;
+    const className = select.getAttribute("class") ?? "";
+
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    expect(className).toContain("border-slate-300");
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+    expect(className).toContain("dark:border-slate-700");
+  });
+
   it("폼 라디오 텍스트/줄간격/자간 px 컨트롤이 fontSizeCustom/lineHeightCustom/letterSpacingCustom 으로 저장되어야 한다", () => {
     const updateBlock = vi.fn();
 
@@ -1452,4 +1674,65 @@ describe("FormCheckboxPropertiesPanel", () => {
       expect.objectContaining({ borderRadius: "full" }),
     );
   });
+
+  it("FormRadio 기본 인풋/셀렉트/옵션 편집 컨트롤은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    const block = makeBlock<FormRadioBlockProps>("f-radio-theme", "formRadio", {
+      ...baseProps,
+    } as any);
+
+    render(
+      <FormRadioPropertiesPanel
+        block={block}
+        selectedBlockId="f-radio-theme"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const groupTitleInput = screen.getByLabelText("그룹 타이틀") as HTMLInputElement;
+    const groupTitleClass = groupTitleInput.getAttribute("class") ?? "";
+    expect(groupTitleClass).toContain("bg-white");
+    expect(groupTitleClass).toContain("text-slate-900");
+    expect(groupTitleClass).toContain("border-slate-300");
+    expect(groupTitleClass).toContain("dark:bg-slate-900");
+    expect(groupTitleClass).toContain("dark:text-slate-100");
+    expect(groupTitleClass).toContain("dark:border-slate-700");
+
+    const groupDisplaySelect = screen.getByLabelText("그룹 타이틀 표시 방식") as HTMLSelectElement;
+    const groupDisplayClass = groupDisplaySelect.getAttribute("class") ?? "";
+    expect(groupDisplayClass).toContain("bg-white");
+    expect(groupDisplayClass).toContain("text-slate-900");
+    expect(groupDisplayClass).toContain("border-slate-300");
+    expect(groupDisplayClass).toContain("dark:bg-slate-900");
+    expect(groupDisplayClass).toContain("dark:text-slate-100");
+    expect(groupDisplayClass).toContain("dark:border-slate-700");
+
+    const optionLayoutSelect = screen.getByLabelText("옵션 레이아웃") as HTMLSelectElement;
+    const optionLayoutClass = optionLayoutSelect.getAttribute("class") ?? "";
+    expect(optionLayoutClass).toContain("bg-white");
+    expect(optionLayoutClass).toContain("text-slate-900");
+    expect(optionLayoutClass).toContain("border-slate-300");
+    expect(optionLayoutClass).toContain("dark:bg-slate-900");
+    expect(optionLayoutClass).toContain("dark:text-slate-100");
+    expect(optionLayoutClass).toContain("dark:border-slate-700");
+
+    const formFieldNameInput = screen.getByLabelText("전송 키") as HTMLInputElement;
+    const formFieldNameClass = formFieldNameInput.getAttribute("class") ?? "";
+    expect(formFieldNameClass).toContain("bg-white");
+    expect(formFieldNameClass).toContain("text-slate-900");
+    expect(formFieldNameClass).toContain("border-slate-300");
+    expect(formFieldNameClass).toContain("dark:bg-slate-900");
+    expect(formFieldNameClass).toContain("dark:text-slate-100");
+    expect(formFieldNameClass).toContain("dark:border-slate-700");
+
+    const optionLabelInput = screen.getByPlaceholderText("라벨") as HTMLInputElement;
+    const optionLabelClass = optionLabelInput.getAttribute("class") ?? "";
+    expect(optionLabelClass).toContain("bg-white");
+    expect(optionLabelClass).toContain("text-slate-900");
+    expect(optionLabelClass).toContain("border-slate-300");
+    expect(optionLabelClass).toContain("dark:bg-slate-900");
+    expect(optionLabelClass).toContain("dark:text-slate-100");
+    expect(optionLabelClass).toContain("dark:border-slate-700");
+  });
 });
diff --git a/tests/unit/ImagePropertiesPanel.spec.tsx b/tests/unit/ImagePropertiesPanel.spec.tsx
index 3864138..e91b113 100644
--- a/tests/unit/ImagePropertiesPanel.spec.tsx
+++ b/tests/unit/ImagePropertiesPanel.spec.tsx
@@ -192,4 +192,43 @@ describe("ImagePropertiesPanel", () => {
       expect.objectContaining({ borderRadius: "sm", borderRadiusPx: 24 }),
     );
   });
+
+  it("ImagePropertiesPanel 주요 인풋/셀렉트 컨트롤은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <ImagePropertiesPanel
+        imageProps={baseProps as any}
+        selectedBlockId="image-theme-1"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const sourceSelect = screen.getByLabelText("이미지 소스") as HTMLSelectElement;
+    const sourceClass = sourceSelect.getAttribute("class") ?? "";
+    expect(sourceClass).toContain("bg-white");
+    expect(sourceClass).toContain("text-slate-900");
+    expect(sourceClass).toContain("border-slate-300");
+    expect(sourceClass).toContain("dark:bg-slate-900");
+    expect(sourceClass).toContain("dark:text-slate-100");
+    expect(sourceClass).toContain("dark:border-slate-700");
+
+    const urlInput = screen.getByLabelText("이미지 URL") as HTMLInputElement;
+    const urlClass = urlInput.getAttribute("class") ?? "";
+    expect(urlClass).toContain("bg-white");
+    expect(urlClass).toContain("text-slate-900");
+    expect(urlClass).toContain("border-slate-300");
+    expect(urlClass).toContain("dark:bg-slate-900");
+    expect(urlClass).toContain("dark:text-slate-100");
+    expect(urlClass).toContain("dark:border-slate-700");
+
+    const alignSelect = screen.getByLabelText("이미지 정렬") as HTMLSelectElement;
+    const alignClass = alignSelect.getAttribute("class") ?? "";
+    expect(alignClass).toContain("bg-white");
+    expect(alignClass).toContain("text-slate-900");
+    expect(alignClass).toContain("border-slate-300");
+    expect(alignClass).toContain("dark:bg-slate-900");
+    expect(alignClass).toContain("dark:text-slate-100");
+    expect(alignClass).toContain("dark:border-slate-700");
+  });
 });
diff --git a/tests/unit/ListPropertiesPanel.spec.tsx b/tests/unit/ListPropertiesPanel.spec.tsx
index 4bd1e69..278f95a 100644
--- a/tests/unit/ListPropertiesPanel.spec.tsx
+++ b/tests/unit/ListPropertiesPanel.spec.tsx
@@ -121,6 +121,48 @@ describe("ListPropertiesPanel", () => {
     );
   });
 
+	it("텍스트 색상 팔레트에서 \"없음\" 을 선택하면 textColorCustom 이 빈 문자열로 업데이트되어야 한다", () => {
+		const updateBlock = vi.fn();
+
+		render(
+			<ListPropertiesPanel
+				listProps={{ ...baseProps, textColorCustom: "#ff0000" }}
+				selectedBlockId="list-text-none"
+				selectedListItemId={null}
+				updateBlock={updateBlock}
+			/>,
+		);
+
+		// 첫 번째 ColorPickerField(텍스트 색상)의 팔레트 버튼을 연다.
+		const paletteButtons = screen.getAllByText("색상 팔레트");
+		fireEvent.click(paletteButtons[0].closest("button") as HTMLButtonElement);
+
+		// 팔레트에서 "없음" 항목을 버튼 role 기준으로 선택한다 (불릿 스타일 select 의 option "없음" 과 구분).
+		const noneButtons = screen.getAllByRole("button", { name: "없음" });
+		fireEvent.click(noneButtons[0]);
+
+		expect(updateBlock).toHaveBeenCalledWith(
+			"list-text-none",
+			expect.objectContaining({ textColorCustom: "" }),
+		);
+	});
+
+	it("textColorCustom 이 비어 있으면 텍스트 색상 HEX 인풋 값은 빈 문자열이어야 한다", () => {
+		const updateBlock = vi.fn();
+
+		render(
+			<ListPropertiesPanel
+				listProps={{ ...baseProps, textColorCustom: "" }}
+				selectedBlockId="list-text-empty"
+				selectedListItemId={null}
+				updateBlock={updateBlock}
+			/>,
+		);
+
+		const hexInput = screen.getByLabelText("리스트 텍스트 색상 HEX") as HTMLInputElement;
+		expect(hexInput.value).toBe("");
+	});
+
   it("불릿 스타일 셀렉트 변경 시 bulletStyle 과 ordered 가 함께 업데이트되어야 한다 (decimal)", () => {
     const updateBlock = vi.fn();
 
@@ -183,4 +225,73 @@ describe("ListPropertiesPanel", () => {
       expect.objectContaining({ gapYPx: 16 }),
     );
   });
+
+  it("리스트 정렬 셀렉트는 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <ListPropertiesPanel
+        listProps={baseProps}
+        selectedBlockId="list-align-theme"
+        selectedListItemId={null}
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const select = screen.getByLabelText("리스트 정렬") as HTMLSelectElement;
+    const className = select.getAttribute("class") ?? "";
+
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    expect(className).toContain("border-slate-300");
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+    expect(className).toContain("dark:border-slate-700");
+  });
+
+  it("리스트 불릿 스타일 셀렉트는 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <ListPropertiesPanel
+        listProps={baseProps}
+        selectedBlockId="list-bullet-theme"
+        selectedListItemId={null}
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const select = screen.getByLabelText("리스트 불릿 스타일") as HTMLSelectElement;
+    const className = select.getAttribute("class") ?? "";
+
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    expect(className).toContain("border-slate-300");
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+    expect(className).toContain("dark:border-slate-700");
+  });
+
+  it("리스트 아이템 textarea 는 라이트/다크 테마에 맞는 배경/텍스트 클래스를 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <ListPropertiesPanel
+        listProps={baseProps}
+        selectedBlockId="list-theme"
+        selectedListItemId={null}
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const textarea = screen.getByLabelText("리스트 아이템들") as HTMLTextAreaElement;
+    const className = textarea.getAttribute("class") ?? "";
+
+    // 라이트 모드: 흰 배경 + 어두운 텍스트
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    // 다크 모드: 다크 배경 + 밝은 텍스트
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+  });
 });
diff --git a/tests/unit/LoginPage.spec.tsx b/tests/unit/LoginPage.spec.tsx
index bda4543..9c7bd6e 100644
--- a/tests/unit/LoginPage.spec.tsx
+++ b/tests/unit/LoginPage.spec.tsx
@@ -147,4 +147,84 @@ describe("LoginPage", () => {
       expect(pushMock).toHaveBeenCalledWith("/dashboard");
     });
   });
+
+  it("로그인 페이지는 전역 라이트/다크 테마 배경 클래스를 사용해야 한다", async () => {
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify({ message: "인증이 필요합니다." }), {
+        status: 401,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<LoginPage />);
+
+    const main = await screen.findByRole("main");
+    const className = (main as HTMLElement).className;
+
+    expect(className).toContain("bg-slate-100");
+    expect(className).toContain("dark:bg-slate-950");
+  });
+
+  it("비밀번호 입력 필드는 이메일 입력과 동일한 라이트/다크 테마 클래스를 사용해야 한다", async () => {
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify({ message: "인증이 필요합니다." }), {
+        status: 401,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<LoginPage />);
+
+    const emailInput = screen.getByLabelText("이메일") as HTMLInputElement;
+    const passwordInput = screen.getByLabelText("비밀번호") as HTMLInputElement;
+
+    const emailClass = emailInput.className;
+    const passwordClass = passwordInput.className;
+
+    expect(emailClass).toContain("border-slate-300");
+    expect(emailClass).toContain("bg-white");
+    expect(emailClass).toContain("text-slate-900");
+    expect(emailClass).toContain("dark:border-slate-700");
+    expect(emailClass).toContain("dark:bg-slate-950");
+    expect(emailClass).toContain("dark:text-slate-50");
+
+    expect(passwordClass).toBe(emailClass);
+  });
+
+  it("로그인 페이지에도 테마 전환 버튼이 있고 클릭 시 html 요소의 dark 클래스가 토글되어야 한다", async () => {
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify({ message: "인증이 필요합니다." }), {
+        status: 401,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<LoginPage />);
+
+    await waitFor(() => {
+      expect(fetchMock).toHaveBeenCalledTimes(1);
+      expect(fetchMock.mock.calls[0][0]).toBe("/api/auth/me");
+    });
+
+    const html = document.documentElement;
+    html.classList.remove("dark");
+
+    const themeToggleButton = await screen.findByRole("button", { name: "테마 전환" });
+
+    expect(html.classList.contains("dark")).toBe(false);
+
+    themeToggleButton.click();
+
+    expect(html.classList.contains("dark")).toBe(true);
+
+    themeToggleButton.click();
+
+    expect(html.classList.contains("dark")).toBe(false);
+  });
 });
diff --git a/tests/unit/NumericPropertyControl.spec.tsx b/tests/unit/NumericPropertyControl.spec.tsx
new file mode 100644
index 0000000..2e17166
--- /dev/null
+++ b/tests/unit/NumericPropertyControl.spec.tsx
@@ -0,0 +1,33 @@
+import { describe, it, expect } from "vitest";
+import { render, screen } from "@testing-library/react";
+import { NumericPropertyControl } from "@/features/editor/components/NumericPropertyControl";
+
+describe("NumericPropertyControl - 테마", () => {
+  it("프리셋 셀렉트는 라이트/다크 테마에 맞는 배경/텍스트 클래스를 사용해야 한다", () => {
+    render(
+      <NumericPropertyControl
+        label="테스트 숫자"
+        unitLabel="px"
+        value={16}
+        min={0}
+        max={100}
+        step={1}
+        presets={[
+          { id: "small", label: "작게", value: 12 },
+          { id: "medium", label: "보통", value: 16 },
+        ]}
+        onChangeValue={() => {}}
+      />,
+    );
+
+    const select = screen.getByLabelText("테스트 숫자 프리셋") as HTMLSelectElement;
+    const className = select.getAttribute("class") ?? "";
+
+    // 라이트 모드: 흰 배경 + 어두운 텍스트
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    // 다크 모드: 다크 배경 + 밝은 텍스트
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+  });
+});
diff --git a/tests/unit/PreviewCanvasPreset.spec.tsx b/tests/unit/PreviewCanvasPreset.spec.tsx
index 0f2215b..643d56a 100644
--- a/tests/unit/PreviewCanvasPreset.spec.tsx
+++ b/tests/unit/PreviewCanvasPreset.spec.tsx
@@ -134,4 +134,16 @@ describe("PreviewPage - canvasPreset / canvasWidthPx", () => {
     expect(inner.style.backgroundColor).toBe("rgb(17, 17, 17)");
     expect(main.style.backgroundColor).toBe("rgb(34, 34, 34)");
   });
+
+	it("bodyBgColorHex 가 빈 문자열이면 PreviewPage main 에 background-color 가 들어가지 않아야 한다", () => {
+		mockState.projectConfig = {
+			...(mockState.projectConfig as ProjectConfig),
+			bodyBgColorHex: "",
+		} as ProjectConfig;
+
+		const { container } = render(<PreviewPage />);
+		const main = container.querySelector("main") as HTMLElement;
+		// 명시적으로 빈 문자열을 지정한 경우에는 PreviewPage 가 어떤 기본 배경색도 강제로 설정하지 않아야 한다.
+		expect(main.style.backgroundColor).toBe("");
+	});
 });
diff --git a/tests/unit/ProjectPropertiesPanel.spec.tsx b/tests/unit/ProjectPropertiesPanel.spec.tsx
index e462576..7cbbe84 100644
--- a/tests/unit/ProjectPropertiesPanel.spec.tsx
+++ b/tests/unit/ProjectPropertiesPanel.spec.tsx
@@ -122,5 +122,46 @@ describe("ProjectPropertiesPanel", () => {
     fireEvent.change(input, { target: { value: "#654321" } });
 
     expect(mockState.updateProjectConfig).toHaveBeenCalledWith({ bodyBgColorHex: "#654321" });
+  });
+
+	it("캔버스 배경색 팔레트에서 \"없음\" 을 선택하면 canvasBgColorHex 가 빈 문자열로 업데이트되어야 한다", () => {
+		render(<ProjectPropertiesPanel />);
+
+		// 첫 번째 ColorPickerField(캔버스 배경색)의 팔레트 버튼을 연다.
+		const paletteButtons = screen.getAllByText("색상 팔레트");
+		fireEvent.click(paletteButtons[0].closest("button") as HTMLButtonElement);
+
+		// 팔레트에서 "없음" 항목을 선택한다.
+		const noneButton = screen.getByText("없음");
+		fireEvent.click(noneButton);
+
+		expect(mockState.updateProjectConfig).toHaveBeenCalledWith({ canvasBgColorHex: "" });
+	});
+
+	it("페이지 배경색 팔레트에서 \"없음\" 을 선택하면 bodyBgColorHex 가 빈 문자열로 업데이트되어야 한다", () => {
+		render(<ProjectPropertiesPanel />);
+	
+		// 두 번째 ColorPickerField(페이지 배경색)의 팔레트 버튼은 기본 선택 팔레트 라벨("어두운 텍스트")를 기준으로 찾는다.
+		const darkLabel = screen.getByText("어두운 텍스트");
+		fireEvent.click(darkLabel.closest("button") as HTMLButtonElement);
+
+		const noneButton = screen.getByText("없음");
+		fireEvent.click(noneButton);
+
+		expect(mockState.updateProjectConfig).toHaveBeenCalledWith({ bodyBgColorHex: "" });
+	});
+
+  it("프로젝트 제목 입력은 라이트/다크 테마에 맞는 배경/텍스트 클래스를 사용해야 한다", () => {
+    render(<ProjectPropertiesPanel />);
+
+    const input = screen.getByLabelText("프로젝트 제목") as HTMLInputElement;
+    const className = input.getAttribute("class") ?? "";
+
+    // 라이트 모드: 흰 배경 + 어두운 텍스트
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    // 다크 모드: 다크 배경 + 밝은 텍스트
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
   });
 });
diff --git a/tests/unit/ProjectSubmissionsPage.spec.tsx b/tests/unit/ProjectSubmissionsPage.spec.tsx
index 213f8e4..acdf298 100644
--- a/tests/unit/ProjectSubmissionsPage.spec.tsx
+++ b/tests/unit/ProjectSubmissionsPage.spec.tsx
@@ -135,7 +135,7 @@ describe("ProjectSubmissionsPage - 폼 제출 내역", () => {
     expect(errorText).toBeTruthy();
   });
 
-  it("상단에 '프로젝트 목록' 링크가 있고 클릭 시 /projects 로 이동해야 한다", async () => {
+  it("상단에 '프로젝트 목록' 링크가 있고 href 가 /projects 이어야 한다", async () => {
     useParamsMock.mockReturnValue({ slug: "test-project" });
 
     const fetchMock = vi.fn().mockResolvedValue(
@@ -151,11 +151,99 @@ describe("ProjectSubmissionsPage - 폼 제출 내역", () => {
 
     const backLink = await screen.findByRole("link", { name: "프로젝트 목록" });
     expect(backLink).toBeTruthy();
+    expect(backLink.getAttribute("href")).toBe("/projects");
+  });
 
-    backLink.click();
+  it("상단 헤더에 공통 GNB와 테마 전환 버튼이 노출되고 테마 토글이 html 요소의 dark 클래스를 토글해야 한다", async () => {
+    useParamsMock.mockReturnValue({ slug: "test-project" });
+
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify([]), {
+        status: 200,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<ProjectSubmissionsPage />);
 
     await waitFor(() => {
-      expect(pushMock).toHaveBeenCalledWith("/projects");
+      expect(fetchMock).toHaveBeenCalledTimes(1);
     });
+
+    const dashboardLink = await screen.findByRole("link", { name: "대시보드" });
+    const projectsLink = await screen.findByRole("link", { name: "프로젝트 목록" });
+    const submissionsLink = await screen.findByRole("link", { name: "전체 제출 내역" });
+
+    expect(dashboardLink.getAttribute("href")).toBe("/dashboard");
+    expect(projectsLink.getAttribute("href")).toBe("/projects");
+    expect(submissionsLink.getAttribute("href")).toBe("/projects/submissions");
+
+    const html = document.documentElement;
+    html.classList.remove("dark");
+
+    const themeToggleButton = await screen.findByRole("button", { name: "테마 전환" });
+
+    expect(html.classList.contains("dark")).toBe(false);
+
+    themeToggleButton.click();
+
+    expect(html.classList.contains("dark")).toBe(true);
+
+    themeToggleButton.click();
+
+    expect(html.classList.contains("dark")).toBe(false);
+  });
+
+  it("프로젝트별 제출 내역 테이블은 라이트 테마에서 읽기 쉬운 텍스트 색상을 사용해야 한다", async () => {
+    useParamsMock.mockReturnValue({ slug: "test-project" });
+
+    const submissions = [
+      {
+        id: "1",
+        createdAt: "2025-01-01T12:00:00.000Z",
+        projectSlug: "test-project",
+        payload: {
+          name: "홍길동",
+          email: "user@example.com",
+          phone: "010-1234-5678",
+          birthdate: "1990-01-01",
+          message: "안녕하세요",
+        },
+      },
+    ];
+
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify(submissions), {
+        status: 200,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    const { container } = render(<ProjectSubmissionsPage />);
+
+    await waitFor(() => {
+      expect(fetchMock).toHaveBeenCalledTimes(1);
+    });
+
+    const headerRow = container.querySelector("thead tr") as HTMLElement | null;
+    expect(headerRow).not.toBeNull();
+
+    const headerClass = headerRow!.className;
+    expect(headerClass).toContain("border-slate-200");
+    expect(headerClass).toContain("text-slate-600");
+    expect(headerClass).toContain("dark:border-slate-800");
+    expect(headerClass).toContain("dark:text-slate-400");
+
+    const nameCellNode = await screen.findByText("홍길동");
+    const nameCell = nameCellNode.closest("td") as HTMLElement | null;
+    expect(nameCell).not.toBeNull();
+
+    const nameClass = nameCell!.className;
+    expect(nameClass).toContain("text-slate-900");
+    expect(nameClass).toContain("dark:text-slate-100");
   });
 });
diff --git a/tests/unit/ProjectsPage.spec.tsx b/tests/unit/ProjectsPage.spec.tsx
index 3b26f15..e7386b3 100644
--- a/tests/unit/ProjectsPage.spec.tsx
+++ b/tests/unit/ProjectsPage.spec.tsx
@@ -144,6 +144,114 @@ describe("ProjectsPage - 프로젝트 목록", () => {
     expect(link.closest("a")?.getAttribute("href")).toBe("/dashboard");
   });
 
+  it("프로젝트 목록 테이블은 라이트/다크 테마에서 읽기 쉬운 텍스트 색상을 사용해야 한다", async () => {
+    const projects = [
+      {
+        id: "1",
+        title: "테스트 프로젝트 A",
+        slug: "test-project-a",
+        status: "DRAFT",
+        createdAt: "2025-01-01T00:00:00.000Z",
+        updatedAt: "2025-01-01T00:00:00.000Z",
+      },
+    ];
+
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify(projects), {
+        status: 200,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<ProjectsPage />);
+
+    await waitFor(() => {
+      expect(fetchMock).toHaveBeenCalledTimes(1);
+    });
+
+    const titleCellNode = await screen.findByText("테스트 프로젝트 A");
+    const titleCell = titleCellNode.closest("td") as HTMLElement | null;
+    expect(titleCell).not.toBeNull();
+
+    const titleClassName = titleCell!.className;
+    expect(titleClassName).toContain("text-slate-900");
+    expect(titleClassName).toContain("dark:text-slate-100");
+
+    const slugCellNode = screen.getByText("test-project-a");
+    const slugCell = slugCellNode.closest("td") as HTMLElement | null;
+    expect(slugCell).not.toBeNull();
+
+    const slugClassName = slugCell!.className;
+    expect(slugClassName).toContain("text-slate-600");
+    expect(slugClassName).toContain("dark:text-slate-300");
+  });
+
+  it("상단 툴바/액션 링크/페이지네이션은 라이트/다크 테마 모두에서 읽기 쉬운 색상 클래스를 사용해야 한다", async () => {
+    const projects = [
+      {
+        id: "1",
+        title: "테스트 프로젝트 A",
+        slug: "test-project-a",
+        status: "DRAFT",
+        createdAt: "2025-01-01T00:00:00.000Z",
+        updatedAt: "2025-01-01T00:00:00.000Z",
+      },
+    ];
+
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify(projects), {
+        status: 200,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<ProjectsPage />);
+
+    await waitFor(() => {
+      expect(fetchMock).toHaveBeenCalledTimes(1);
+    });
+
+    const toolbar = await screen.findByTestId("projects-toolbar");
+    const toolbarClass = toolbar.className;
+    expect(toolbarClass).toContain("text-slate-600");
+    expect(toolbarClass).toContain("dark:text-slate-300");
+
+    const editLink = screen.getByText("편집").closest("a") as HTMLElement | null;
+    expect(editLink).not.toBeNull();
+    const editClass = editLink!.className;
+    expect(editClass).toContain("text-sky-600");
+    expect(editClass).toContain("dark:text-sky-300");
+
+    const previewLink = screen.getByText("미리보기").closest("a") as HTMLElement | null;
+    expect(previewLink).not.toBeNull();
+    const previewClass = previewLink!.className;
+    expect(previewClass).toContain("text-slate-600");
+    expect(previewClass).toContain("dark:text-slate-300");
+
+    const submissionsLink = screen.getByText("폼 제출 내역").closest("a") as HTMLElement | null;
+    expect(submissionsLink).not.toBeNull();
+    const submissionsClass = submissionsLink!.className;
+    expect(submissionsClass).toContain("text-emerald-600");
+    expect(submissionsClass).toContain("dark:text-emerald-300");
+
+    const deleteButton = screen.getByText("삭제").closest("button") as HTMLElement | null;
+    expect(deleteButton).not.toBeNull();
+    const deleteClass = deleteButton!.className;
+    expect(deleteClass).toContain("text-red-600");
+    expect(deleteClass).toContain("dark:text-red-300");
+
+    const prevButton = screen.getByRole("button", { name: "이전" });
+    const prevClass = prevButton.className;
+    expect(prevClass).toContain("border-slate-300");
+    expect(prevClass).toContain("text-slate-700");
+    expect(prevClass).toContain("dark:border-slate-700");
+    expect(prevClass).toContain("dark:text-slate-300");
+  });
+
   it("GNB에서 현재 페이지인 '프로젝트 목록' 탭에 aria-current=\"page\"가 설정되어야 한다", async () => {
     const projects = [
       {
diff --git a/tests/unit/PropertiesSidebar.spec.tsx b/tests/unit/PropertiesSidebar.spec.tsx
index d28f7cb..a9651b5 100644
--- a/tests/unit/PropertiesSidebar.spec.tsx
+++ b/tests/unit/PropertiesSidebar.spec.tsx
@@ -56,6 +56,30 @@ describe("PropertiesSidebar HELP 튜토리얼 모달", () => {
     expect(screen.getByText(/제목과 본문 텍스트를 입력할 때 사용하는 기본 블록입니다/)).toBeDefined();
   });
 
+  it("HELP 모달은 라이트/다크 테마에 맞는 카드 배경/테두리/텍스트 클래스를 사용해야 한다", () => {
+    const textBlock = createTextBlock();
+
+    render(<PropertiesSidebar {...defaultProps([textBlock], textBlock.id)} />);
+
+    const helpButton = screen.getByRole("button", { name: "HELP" });
+    fireEvent.click(helpButton);
+
+    // 모달 카드 컨테이너 (제목 h3 → 헤더 div → 카드 div 순으로 감싸져 있으므로 parentElement.parentElement 사용)
+    const heading = screen.getByText("텍스트 블록 튜토리얼");
+    const modalCard = heading.parentElement?.parentElement as HTMLElement | null;
+    expect(modalCard).not.toBeNull();
+    const className = modalCard!.getAttribute("class") ?? "";
+
+    // 라이트 모드: 흰 배경 + 어두운 텍스트 + 연한 테두리
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    expect(className).toContain("border-slate-200");
+    // 다크 모드: 기존 다크 톤 유지
+    expect(className).toContain("dark:border-slate-700");
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+  });
+
   it("모달의 닫기 버튼을 클릭하면 튜토리얼 모달이 닫혀야 한다", () => {
     const textBlock = createTextBlock();
 
@@ -69,4 +93,65 @@ describe("PropertiesSidebar HELP 튜토리얼 모달", () => {
 
     expect(screen.queryByText("텍스트 블록 튜토리얼")).toBeNull();
   });
+
+  it("텍스트 블록이 선택된 상태에서 상단 액션 버튼들은 라이트/다크 테마에 맞는 배경/텍스트 클래스를 사용해야 한다", () => {
+    const textBlock = createTextBlock();
+
+    render(<PropertiesSidebar {...defaultProps([textBlock], textBlock.id)} />);
+
+    const deleteButton = screen.getByRole("button", { name: "블록 삭제" });
+    const duplicateButton = screen.getByRole("button", { name: "블록 복제" });
+    const helpButton = screen.getByRole("button", { name: "HELP" });
+
+    for (const btn of [deleteButton, duplicateButton, helpButton]) {
+      const className = btn.getAttribute("class") ?? "";
+      // 라이트 모드: 밝은 배경 + 어두운 텍스트
+      expect(className).toContain("bg-slate-50");
+      expect(className).toContain("text-slate-900");
+      // 다크 모드: 기존 다크 톤 유지
+      expect(className).toContain("dark:bg-slate-900");
+      expect(className).toContain("dark:text-slate-100");
+    }
+  });
+
+  it("텍스트 블록이 선택된 상태에서 내용 편집 textarea는 라이트/다크 테마에 맞는 배경/텍스트 클래스를 사용해야 한다", () => {
+    const textBlock = createTextBlock();
+
+    render(<PropertiesSidebar {...defaultProps([textBlock], textBlock.id)} />);
+
+    const textarea = screen.getByLabelText("선택한 텍스트 블록 내용") as HTMLTextAreaElement;
+    const className = textarea.getAttribute("class") ?? "";
+
+    // 라이트 모드: 흰 배경 + 어두운 텍스트
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    // 다크 모드: 다크 배경 + 밝은 텍스트
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+  });
+
+  it("속성 패널 루트는 라이트/다크 테마에 맞는 배경/테두리 클래스를 사용해야 한다", () => {
+    const props = defaultProps([], null);
+
+    render(<PropertiesSidebar {...props} />);
+
+    const aside = screen.getByTestId("properties-sidebar") as HTMLElement;
+    const className = aside.getAttribute("class") ?? "";
+
+    expect(className).toContain("bg-white");
+    expect(className).toContain("border-slate-200");
+    expect(className).toContain("dark:border-slate-800");
+    expect(className).toContain("dark:bg-slate-950/40");
+  });
+
+  it("속성 패널 루트는 pb-scroll 커스텀 스크롤바 클래스를 사용하지 않아야 한다", () => {
+    const props = defaultProps([], null);
+
+    render(<PropertiesSidebar {...props} />);
+
+    const aside = screen.getByTestId("properties-sidebar") as HTMLElement;
+    const className = aside.getAttribute("class") ?? "";
+
+    expect(className).not.toContain("pb-scroll");
+  });
 });
diff --git a/tests/unit/PropertySliderField.spec.tsx b/tests/unit/PropertySliderField.spec.tsx
new file mode 100644
index 0000000..f26945c
--- /dev/null
+++ b/tests/unit/PropertySliderField.spec.tsx
@@ -0,0 +1,30 @@
+import { describe, it, expect } from "vitest";
+import { render, screen } from "@testing-library/react";
+import { PropertySliderField } from "@/features/editor/components/PropertySliderField";
+
+describe("PropertySliderField - 테마", () => {
+  it("텍스트 입력은 라이트/다크 테마에 맞는 배경/텍스트 클래스를 사용해야 한다", () => {
+    render(
+      <PropertySliderField
+        label="테스트 슬라이더"
+        ariaLabelSlider="테스트 슬라이더"
+        ariaLabelInput="테스트 값 입력"
+        value={10}
+        min={0}
+        max={100}
+        step={1}
+        onChange={() => {}}
+      />,
+    );
+
+    const input = screen.getByLabelText("테스트 값 입력") as HTMLInputElement;
+    const className = input.getAttribute("class") ?? "";
+
+    // 라이트 모드: 흰 배경 + 어두운 텍스트
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    // 다크 모드: 다크 배경 + 밝은 텍스트
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+  });
+});
diff --git a/tests/unit/PublicPageRendererBackground.spec.tsx b/tests/unit/PublicPageRendererBackground.spec.tsx
index 58f683c..9c657d7 100644
--- a/tests/unit/PublicPageRendererBackground.spec.tsx
+++ b/tests/unit/PublicPageRendererBackground.spec.tsx
@@ -18,6 +18,7 @@ describe("PublicPageRenderer - 배경색 위임", () => {
     const className = root!.getAttribute("class") ?? "";
 
     expect(className).not.toContain("bg-slate-950");
+    expect(className).not.toContain("text-slate-50");
   });
 
   it("루트 텍스트/버튼 블록 영역은 고정 bg-slate-950 배경 대신 캔버스 배경을 그대로 보여야 한다", () => {
diff --git a/tests/unit/PublicPageRendererFormFieldStyles.spec.tsx b/tests/unit/PublicPageRendererFormFieldStyles.spec.tsx
index ba0aaa7..7658df3 100644
--- a/tests/unit/PublicPageRendererFormFieldStyles.spec.tsx
+++ b/tests/unit/PublicPageRendererFormFieldStyles.spec.tsx
@@ -111,6 +111,24 @@ describe("PublicPageRenderer - 폼 필드 스타일", () => {
     expect(input!.style.letterSpacing).toBe("0.125em");
   });
 
+	it("formInput 기본 래퍼 클래스에는 text-slate-* 색상 클래스가 없어야 한다", () => {
+		const blocks: Block[] = [
+			{
+				id: "form_input_neutral_wrapper",
+				type: "formInput",
+				props: {
+					label: "이름",
+					formFieldName: "name",
+				} as any,
+			},
+		];
+
+		const { getByTestId } = render(<PublicPageRenderer blocks={blocks} />);
+		const wrapper = getByTestId("preview-form-input-wrapper") as HTMLElement;
+		// 기본 래퍼에는 text-slate-* 색상 클래스를 사용하지 않고, 텍스트 색상은 상위/브라우저 기본값을 따른다.
+		expect(wrapper.className).not.toContain("text-slate-");
+	});
+
   it("formInput 블록에서 라벨 표시 방식이 hidden 이면 sr-only 클래스로 시각적으로 숨겨야 한다", () => {
     const blocks: Block[] = [
       {
@@ -201,6 +219,27 @@ describe("PublicPageRenderer - 폼 필드 스타일", () => {
     expect(field.style.getPropertyValue("--pb-input-padding-y")).toBe("1rem");
   });
 
+	it("formInput 플로팅 라벨에서 strokeColorCustom 은 wrapper 의 --pb-input-border-color CSS 변수로 전달되어야 한다", () => {
+		const blocks: Block[] = [
+			{
+				id: "form_input_floating_border_color",
+				type: "formInput",
+				props: {
+					label: "플로팅 보더",
+					formFieldName: "floating_border",
+					labelDisplay: "floating",
+					strokeColorCustom: "#ff0000",
+				} as any,
+			},
+		];
+
+		const { getByTestId } = render(<PublicPageRenderer blocks={blocks} />);
+
+		const field = getByTestId("preview-form-input-wrapper") as HTMLDivElement;
+		// CSS 변수는 원본 hex 문자열 그대로 설정된다.
+		expect(field.style.getPropertyValue("--pb-input-border-color")).toBe("#ff0000");
+	});
+
   it("formInput 플로팅 라벨에서 label 과 placeholder 가 같으면 placeholder 텍스트를 인풋 안에 표시하지 않아야 한다", () => {
     const blocks: Block[] = [
       {
@@ -338,28 +377,86 @@ describe("PublicPageRenderer - 폼 필드 스타일", () => {
 
     const { getByTestId } = render(<PublicPageRenderer blocks={blocks} />);
 
-    const group = getByTestId("preview-form-checkbox-group") as HTMLElement;
-    const firstLabel = getFirstLabel(group);
+const group = getByTestId("preview-form-checkbox-group") as HTMLElement;
+const firstLabel = getFirstLabel(group);
 
-    // width: 320px / 16 = 20em
-    expect(group.style.width).toBe("20em");
-    // 옵션 간 간격: 16px -> 1em
-    const optionsContainer = group.querySelector('[data-testid="preview-form-checkbox-options"]') as HTMLElement | null;
-    expect(optionsContainer).not.toBeNull();
-    expect(optionsContainer!.style.rowGap).toBe("1em");
+// width: 320px / 16 = 20em
+expect(group.style.width).toBe("20em");
+// 옵션 간 간격: 16px -> 1em
+const optionsContainer = group.querySelector('[data-testid="preview-form-checkbox-options"]') as HTMLElement | null;
+expect(optionsContainer).not.toBeNull();
+expect(optionsContainer!.style.rowGap).toBe("1em");
 
-    // 옵션 컨테이너 스타일: padding, 배경, 보더, 둥글기
-    expect(firstLabel.style.paddingInline).toBe("0.5em");
-    expect(firstLabel.style.paddingBlock).toBe("0.25em");
-    expect(firstLabel.style.backgroundColor).toBe("rgb(18, 52, 86)");
-    expect(firstLabel.style.borderColor).toBe("rgb(255, 0, 0)");
-    expect(firstLabel.style.borderRadius).toBe("6px");
-  });
+// 옵션 컨테이너 스타일: padding, 배경, 보더, 둥글기
+expect(firstLabel.style.paddingInline).toBe("0.5em");
+expect(firstLabel.style.paddingBlock).toBe("0.25em");
+expect(firstLabel.style.backgroundColor).toBe("rgb(18, 52, 86)");
+expect(firstLabel.style.borderColor).toBe("rgb(255, 0, 0)");
+expect(firstLabel.style.borderRadius).toBe("6px");
+});
 
-  it("formRadio 블록의 옵션 input 은 type/name/value 및 FormBlock.requiredFieldIds 기반 required 를 가져야 한다", () => {
-    const blocks: Block[] = [
-      {
-        id: "form_ctrl_radio",
+it("formCheckbox 그룹 래퍼 클래스에는 text-slate-* 색상 클래스가 없어야 한다", () => {
+const blocks: Block[] = [
+{
+id: "form_checkbox_neutral_wrapper",
+type: "formCheckbox",
+props: {
+groupLabel: "옵션들",
+formFieldName: "features",
+options: [{ label: "옵션 1", value: "opt1" }],
+} as any,
+},
+];
+
+const { getByTestId } = render(<PublicPageRenderer blocks={blocks} />);
+const group = getByTestId("preview-form-checkbox-group") as HTMLElement;
+// 체크박스 그룹 래퍼에는 text-slate-* 색상 클래스를 사용하지 않고, 텍스트 색상은 토큰/브라우저 기본값을 따른다.
+expect(group.className).not.toContain("text-slate-");
+});
+
+it("formRadio 그룹 래퍼 클래스에는 text-slate-* 색상 클래스가 없어야 한다", () => {
+const blocks: Block[] = [
+{
+id: "form_radio_neutral_wrapper",
+type: "formRadio",
+props: {
+groupLabel: "라디오 그룹",
+formFieldName: "radio_group",
+options: [{ label: "옵션 A", value: "a" }],
+} as any,
+},
+];
+
+const { getByTestId } = render(<PublicPageRenderer blocks={blocks} />);
+const group = getByTestId("preview-form-radio-group") as HTMLElement;
+// 라디오 그룹 래퍼에는 text-slate-* 색상 클래스를 사용하지 않고, 텍스트 색상은 토큰/브라우저 기본값을 따른다.
+expect(group.className).not.toContain("text-slate-");
+});
+
+it("formRadio 블록의 옵션 input 은 type/name/value 및 FormBlock.requiredFieldIds 기반 required 를 가져야 한다", () => {
+const blocks: Block[] = [
+{
+id: "form_ctrl_radio",
+type: "form",
+props: {
+kind: "contact",
+submitTarget: "internal",
+requiredFieldIds: ["radio_required"],
+} as any,
+},
+{
+id: "radio_required",
+type: "formRadio",
+props: {
+groupLabel: "플랜",
+formFieldName: "plan",
+options: [
+{ label: "A", value: "a" },
+{ label: "B", value: "b" },
+],
+} as any,
+},
+];
         type: "form",
         props: {
           kind: "contact",
@@ -427,6 +524,29 @@ describe("PublicPageRenderer - 폼 필드 스타일", () => {
     });
   });
 
+	it("formRadio 프리뷰의 옵션 input 은 OS 기본 스타일을 사용하기 위해 색상 관련 Tailwind 클래스(bg-/text-/border-)를 사용하지 않아야 한다", () => {
+		const blocks: Block[] = [
+			{
+				id: "form_radio_os_default",
+				type: "formRadio",
+				props: {
+					groupLabel: "라디오",
+					formFieldName: "radio_os",
+					options: [{ label: "옵션 A", value: "a" }],
+				} as any,
+			},
+		];
+
+		const { getByTestId } = render(<PublicPageRenderer blocks={blocks} />);
+		const group = getByTestId("preview-form-radio-group") as HTMLElement;
+		const input = group.querySelector("input[type='radio']") as HTMLInputElement | null;
+		expect(input).not.toBeNull();
+		// 크기/모양(h-4,w-4 등)만 유지하고, 색상 관련 Tailwind 유틸은 사용하지 않는다.
+		expect(input!.className).not.toContain("bg-");
+		expect(input!.className).not.toContain("text-");
+		expect(input!.className).not.toContain("border-");
+	});
+
   it("formCheckbox 블록에서 optionLayout 이 stacked 이면 옵션 컨테이너가 pb-form-options--stacked 클래스를 사용해야 한다", () => {
     const blocks: Block[] = [
       {
@@ -547,6 +667,52 @@ describe("PublicPageRenderer - 폼 필드 스타일", () => {
     expect(second.required).toBe(false);
   });
 
+	it("formCheckbox 프리뷰의 옵션 input 은 OS 기본 스타일을 사용하기 위해 색상 관련 Tailwind 클래스(bg-/text-/border-)를 사용하지 않아야 한다", () => {
+		const blocks: Block[] = [
+			{
+				id: "form_checkbox_os_default",
+				type: "formCheckbox",
+				props: {
+					groupLabel: "체크",
+					formFieldName: "features_os",
+					options: [{ label: "옵션 1", value: "opt1" }],
+				} as any,
+			},
+		];
+
+		const { getByTestId } = render(<PublicPageRenderer blocks={blocks} />);
+		const group = getByTestId("preview-form-checkbox-group") as HTMLElement;
+		const input = group.querySelector("input[type='checkbox']") as HTMLInputElement | null;
+		expect(input).not.toBeNull();
+		// 크기/모양(h-4,w-4,rounded 등)만 유지하고, 색상 관련 Tailwind 유틸은 사용하지 않는다.
+		expect(input!.className).not.toContain("bg-");
+		expect(input!.className).not.toContain("text-");
+		expect(input!.className).not.toContain("border-");
+	});
+
+	it("formCheckbox 프리뷰의 옵션 input 은 OS 기본 스타일을 사용하기 위해 색상 관련 Tailwind 클래스(bg-/text-/border-)를 사용하지 않아야 한다", () => {
+		const blocks: Block[] = [
+			{
+				id: "form_checkbox_os_default",
+				type: "formCheckbox",
+				props: {
+					groupLabel: "체크",
+					formFieldName: "features_os",
+					options: [{ label: "옵션 1", value: "opt1" }],
+				} as any,
+			},
+		];
+
+		const { getByTestId } = render(<PublicPageRenderer blocks={blocks} />);
+		const group = getByTestId("preview-form-checkbox-group") as HTMLElement;
+		const input = group.querySelector("input[type='checkbox']") as HTMLInputElement | null;
+		expect(input).not.toBeNull();
+		// 크기/모양(h-4,w-4,rounded 등)만 유지하고, 색상 관련 Tailwind 유틸은 사용하지 않는다.
+		expect(input!.className).not.toContain("bg-");
+		expect(input!.className).not.toContain("text-");
+		expect(input!.className).not.toContain("border-");
+	});
+
   it("formRadio 블록에서 그룹 타이틀 레이아웃이 inline 이면 그룹 컨테이너가 가로 정렬되고 세로 중앙 정렬 및 columnGap 이 labelGapPx 로 반영되어야 한다", () => {
     const blocks: Block[] = [
       {
diff --git a/tests/unit/PublicPageRendererSectionLayout.spec.tsx b/tests/unit/PublicPageRendererSectionLayout.spec.tsx
index f04f0f0..e9d19f5 100644
--- a/tests/unit/PublicPageRendererSectionLayout.spec.tsx
+++ b/tests/unit/PublicPageRendererSectionLayout.spec.tsx
@@ -101,4 +101,47 @@ describe("PublicPageRenderer - 섹션/루트 레이아웃", () => {
     const innerContainer = rootSection.querySelector(".pb-root-inner");
     expect(innerContainer).not.toBeNull();
   });
+
+  it("블록 배열 순서를 따라 루트 블록과 섹션 블록이 섞여 렌더되어야 한다", () => {
+    const rootBeforeProps: TextBlockProps = {
+      text: "루트1",
+      align: "left",
+      size: "base",
+    } as TextBlockProps;
+
+    const rootAfterProps: TextBlockProps = {
+      text: "루트2",
+      align: "left",
+      size: "base",
+    } as TextBlockProps;
+
+    const rootBefore: Block = {
+      id: "root_order_before",
+      type: "text",
+      props: rootBeforeProps,
+    } as any;
+
+    const sectionWithText = makeSectionWithText();
+
+    const rootAfter: Block = {
+      id: "root_order_after",
+      type: "text",
+      props: rootAfterProps,
+    } as any;
+
+    const blocks: Block[] = [rootBefore, ...sectionWithText, rootAfter];
+
+    const { container } = render(<PublicPageRenderer blocks={blocks} />);
+
+    const sections = Array.from(container.querySelectorAll("section"));
+
+    expect(sections.length).toBe(3);
+    expect(sections[0].className).toContain("pb-root");
+    expect(sections[1].className).toContain("pb-section");
+    expect(sections[2].className).toContain("pb-root");
+
+    expect(sections[0].textContent).toContain("루트1");
+    expect(sections[1].textContent).toContain("섹션 레이아웃 텍스트");
+    expect(sections[2].textContent).toContain("루트2");
+  });
 });
diff --git a/tests/unit/SectionPropertiesPanel.spec.tsx b/tests/unit/SectionPropertiesPanel.spec.tsx
index 2a7f679..acf88b5 100644
--- a/tests/unit/SectionPropertiesPanel.spec.tsx
+++ b/tests/unit/SectionPropertiesPanel.spec.tsx
@@ -363,4 +363,98 @@ describe("SectionPropertiesPanel", () => {
       }),
     );
   });
+
+  it("SectionPropertiesPanel 배경 이미지/비디오 소스 및 URL 인풋은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <SectionPropertiesPanel
+        sectionProps={{
+          ...baseProps,
+          backgroundImageSrc: "https://example.com/bg.png",
+          backgroundImageSourceType: "externalUrl",
+          backgroundVideoSrc: "https://example.com/bg-video.mp4",
+          backgroundVideoSourceType: "externalUrl",
+        } as any}
+        selectedBlockId="section-theme-1"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const bgImageSourceSelect = screen.getByLabelText("배경 이미지 소스") as HTMLSelectElement;
+    const bgImageSourceClass = bgImageSourceSelect.getAttribute("class") ?? "";
+    expect(bgImageSourceClass).toContain("bg-white");
+    expect(bgImageSourceClass).toContain("text-slate-900");
+    expect(bgImageSourceClass).toContain("border-slate-300");
+    expect(bgImageSourceClass).toContain("dark:bg-slate-900");
+    expect(bgImageSourceClass).toContain("dark:text-slate-100");
+    expect(bgImageSourceClass).toContain("dark:border-slate-700");
+
+    const bgImageUrlInput = screen.getByLabelText("배경 이미지 URL") as HTMLInputElement;
+    const bgImageUrlClass = bgImageUrlInput.getAttribute("class") ?? "";
+    expect(bgImageUrlClass).toContain("bg-white");
+    expect(bgImageUrlClass).toContain("text-slate-900");
+    expect(bgImageUrlClass).toContain("border-slate-300");
+    expect(bgImageUrlClass).toContain("dark:bg-slate-900");
+    expect(bgImageUrlClass).toContain("dark:text-slate-100");
+    expect(bgImageUrlClass).toContain("dark:border-slate-700");
+
+    const bgVideoUrlInput = screen.getByLabelText("배경 비디오 URL") as HTMLInputElement;
+    const bgVideoUrlClass = bgVideoUrlInput.getAttribute("class") ?? "";
+    expect(bgVideoUrlClass).toContain("bg-white");
+    expect(bgVideoUrlClass).toContain("text-slate-900");
+    expect(bgVideoUrlClass).toContain("border-slate-300");
+    expect(bgVideoUrlClass).toContain("dark:bg-slate-900");
+    expect(bgVideoUrlClass).toContain("dark:text-slate-100");
+    expect(bgVideoUrlClass).toContain("dark:border-slate-700");
+  });
+
+	it("섹션 레이아웃 및 배경 이미지 레이아웃 셀렉트들은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+		const updateBlock = vi.fn();
+
+		render(
+			<SectionPropertiesPanel
+				sectionProps={{
+					...baseProps,
+					columns: [
+						{ id: "col_1", span: 6 },
+						{ id: "col_2", span: 6 },
+					],
+					alignItems: "top",
+					backgroundImageSrc: "https://example.com/bg.png",
+					backgroundImageSourceType: "externalUrl",
+					backgroundImagePositionMode: "preset",
+					backgroundImageSize: "cover",
+					backgroundImagePosition: "center",
+					backgroundImageRepeat: "no-repeat",
+				} as any}
+				selectedBlockId="section-theme-layout-1"
+				updateBlock={updateBlock}
+			/>,
+		);
+
+		const columnLayoutSelect = screen.getByLabelText("섹션 컬럼 레이아웃") as HTMLSelectElement;
+		const alignItemsSelect = screen.getByLabelText("섹션 컬럼 세로 정렬") as HTMLSelectElement;
+		const positionModeSelect = screen.getByLabelText("배경 이미지 위치 모드") as HTMLSelectElement;
+		const sizeSelect = screen.getByLabelText("배경 이미지 크기") as HTMLSelectElement;
+		const positionSelect = screen.getByLabelText("배경 이미지 위치") as HTMLSelectElement;
+		const repeatSelect = screen.getByLabelText("배경 이미지 반복") as HTMLSelectElement;
+
+		const assertDualTheme = (el: HTMLElement) => {
+			const className = el.getAttribute("class") ?? "";
+			expect(className).toContain("bg-white");
+			expect(className).toContain("text-slate-900");
+			expect(className).toContain("border-slate-300");
+			expect(className).toContain("dark:bg-slate-900");
+			expect(className).toContain("dark:text-slate-100");
+			expect(className).toContain("dark:border-slate-700");
+		};
+
+		assertDualTheme(columnLayoutSelect);
+		assertDualTheme(alignItemsSelect);
+		assertDualTheme(positionModeSelect);
+		assertDualTheme(sizeSelect);
+		assertDualTheme(positionSelect);
+		assertDualTheme(repeatSelect);
+	});
 });
diff --git a/tests/unit/SignupPage.spec.tsx b/tests/unit/SignupPage.spec.tsx
index efa67a5..84adf59 100644
--- a/tests/unit/SignupPage.spec.tsx
+++ b/tests/unit/SignupPage.spec.tsx
@@ -56,10 +56,12 @@ describe("SignupPage", () => {
 
     const emailInput = screen.getByLabelText("이메일") as HTMLInputElement;
     const passwordInput = screen.getByLabelText("비밀번호") as HTMLInputElement;
+    const confirmInput = screen.getByLabelText("비밀번호 확인") as HTMLInputElement;
     const submitButton = screen.getByRole("button", { name: "회원가입" });
 
     fireEvent.change(emailInput, { target: { value: "new@example.com" } });
     fireEvent.change(passwordInput, { target: { value: "securePass1" } });
+    fireEvent.change(confirmInput, { target: { value: "securePass1" } });
 
     fireEvent.click(submitButton);
 
@@ -118,10 +120,12 @@ describe("SignupPage", () => {
 
     const emailInput = screen.getByLabelText("이메일") as HTMLInputElement;
     const passwordInput = screen.getByLabelText("비밀번호") as HTMLInputElement;
+    const confirmInput = screen.getByLabelText("비밀번호 확인") as HTMLInputElement;
     const submitButton = screen.getByRole("button", { name: "회원가입" });
 
     fireEvent.change(emailInput, { target: { value: "dup@example.com" } });
     fireEvent.change(passwordInput, { target: { value: "securePass1" } });
+    fireEvent.change(confirmInput, { target: { value: "securePass1" } });
 
     fireEvent.click(submitButton);
 
@@ -147,4 +151,196 @@ describe("SignupPage", () => {
       expect(pushMock).toHaveBeenCalledWith("/dashboard");
     });
   });
+
+  it("회원가입 페이지는 전역 라이트/다크 테마 배경 클래스를 사용해야 한다", async () => {
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify({ message: "인증이 필요합니다." }), {
+        status: 401,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<SignupPage />);
+
+    const main = await screen.findByRole("main");
+    const className = (main as HTMLElement).className;
+
+    expect(className).toContain("bg-slate-100");
+    expect(className).toContain("dark:bg-slate-950");
+  });
+
+  it("회원가입 폼의 비밀번호/비밀번호 확인 입력은 이메일 입력과 동일한 라이트/다크 테마 클래스를 사용해야 한다", async () => {
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify({ message: "인증이 필요합니다." }), {
+        status: 401,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<SignupPage />);
+
+    const emailInput = screen.getByLabelText("이메일") as HTMLInputElement;
+    const passwordInput = screen.getByLabelText("비밀번호") as HTMLInputElement;
+    const confirmInput = screen.getByLabelText("비밀번호 확인") as HTMLInputElement;
+
+    const emailClass = emailInput.className;
+    const passwordClass = passwordInput.className;
+    const confirmClass = confirmInput.className;
+
+    expect(emailClass).toContain("border-slate-300");
+    expect(emailClass).toContain("bg-white");
+    expect(emailClass).toContain("text-slate-900");
+    expect(emailClass).toContain("dark:border-slate-700");
+    expect(emailClass).toContain("dark:bg-slate-950");
+    expect(emailClass).toContain("dark:text-slate-50");
+
+    expect(passwordClass).toBe(emailClass);
+    expect(confirmClass).toBe(emailClass);
+  });
+
+  it("회원가입 폼에는 비밀번호 확인 입력 필드가 있어야 한다", async () => {
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify({ message: "인증이 필요합니다." }), {
+        status: 401,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<SignupPage />);
+
+    const confirmInput = await screen.findByLabelText("비밀번호 확인");
+    expect(confirmInput).toBeTruthy();
+  });
+
+  it("비밀번호와 비밀번호 확인이 일치하지 않으면 회원가입 요청을 보내지 말고 오류 메시지를 표시해야 한다", async () => {
+    const fetchMock = vi.fn().mockImplementation((input: any, init?: any) => {
+      const url = typeof input === "string" ? input : input.url;
+      const method = init?.method ?? "GET";
+
+      if (url === "/api/auth/me" && method === "GET") {
+        return Promise.resolve(
+          new Response(JSON.stringify({ message: "인증이 필요합니다." }), {
+            status: 401,
+            headers: { "Content-Type": "application/json" },
+          }),
+        );
+      }
+
+      if (url === "/api/auth/signup" && method === "POST") {
+        return Promise.resolve(
+          new Response(JSON.stringify({ id: "1", email: "new@example.com" }), {
+            status: 201,
+            headers: { "Content-Type": "application/json" },
+          }),
+        );
+      }
+
+      return Promise.resolve(new Response(null, { status: 500 }));
+    });
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<SignupPage />);
+
+    const emailInput = screen.getByLabelText("이메일") as HTMLInputElement;
+    const passwordInput = screen.getByLabelText("비밀번호") as HTMLInputElement;
+    const confirmInput = screen.getByLabelText("비밀번호 확인") as HTMLInputElement;
+    const submitButton = screen.getByRole("button", { name: "회원가입" });
+
+    fireEvent.change(emailInput, { target: { value: "new@example.com" } });
+    fireEvent.change(passwordInput, { target: { value: "securePass1" } });
+    fireEvent.change(confirmInput, { target: { value: "differentPass2" } });
+
+    fireEvent.click(submitButton);
+
+    const errorText = await screen.findByText(/비밀번호와 비밀번호 확인이 일치하지 않습니다/);
+    expect(errorText).toBeTruthy();
+
+    const signupCall = fetchMock.mock.calls.find(([url, options]) => {
+      return url === "/api/auth/signup" && options?.method === "POST";
+    });
+
+    expect(signupCall).toBeUndefined();
+  });
+
+  it("짧고 단순한 비밀번호는 난이도가 약함으로 표시되어야 한다", async () => {
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify({ message: "인증이 필요합니다." }), {
+        status: 401,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<SignupPage />);
+
+    const passwordInput = screen.getByLabelText("비밀번호") as HTMLInputElement;
+
+    fireEvent.change(passwordInput, { target: { value: "abc12345" } });
+
+    const weakText = await screen.findByText("비밀번호 난이도: 약함");
+    expect(weakText).toBeTruthy();
+
+    const bar = await screen.findByTestId("password-strength-bar");
+    const barClass = bar.className;
+    expect(barClass).toContain("w-1/3");
+    expect(barClass).toContain("bg-red-500");
+  });
+
+  it("대소문자와 숫자를 섞은 비밀번호는 난이도가 보통으로 표시되어야 한다", async () => {
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify({ message: "인증이 필요합니다." }), {
+        status: 401,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<SignupPage />);
+
+    const passwordInput = screen.getByLabelText("비밀번호") as HTMLInputElement;
+
+    fireEvent.change(passwordInput, { target: { value: "Abc12345" } });
+
+    const mediumText = await screen.findByText("비밀번호 난이도: 보통");
+    expect(mediumText).toBeTruthy();
+
+    const bar = await screen.findByTestId("password-strength-bar");
+    const barClass = bar.className;
+    expect(barClass).toContain("w-2/3");
+    expect(barClass).toContain("bg-amber-500");
+  });
+
+  it("대소문자/숫자/특수문자가 섞인 충분히 긴 비밀번호는 난이도가 강함으로 표시되어야 한다", async () => {
+    const fetchMock = vi.fn().mockResolvedValue(
+      new Response(JSON.stringify({ message: "인증이 필요합니다." }), {
+        status: 401,
+        headers: { "Content-Type": "application/json" },
+      }),
+    );
+
+    vi.stubGlobal("fetch", fetchMock as any);
+
+    render(<SignupPage />);
+
+    const passwordInput = screen.getByLabelText("비밀번호") as HTMLInputElement;
+
+    fireEvent.change(passwordInput, { target: { value: "Abc12345!@" } });
+
+    const strongText = await screen.findByText("비밀번호 난이도: 강함");
+    expect(strongText).toBeTruthy();
+
+    const bar = await screen.findByTestId("password-strength-bar");
+    const barClass = bar.className;
+    expect(barClass).toContain("w-full");
+    expect(barClass).toContain("bg-emerald-600");
+  });
 });
diff --git a/tests/unit/TextPropertiesPanel.spec.tsx b/tests/unit/TextPropertiesPanel.spec.tsx
new file mode 100644
index 0000000..3aeb4b4
--- /dev/null
+++ b/tests/unit/TextPropertiesPanel.spec.tsx
@@ -0,0 +1,114 @@
+import { describe, it, expect, vi, afterEach } from "vitest";
+import { render, screen, cleanup } from "@testing-library/react";
+import { TextPropertiesPanel } from "@/app/editor/panels/TextPropertiesPanel";
+import type { TextBlockProps } from "@/features/editor/state/editorStore";
+
+// TextPropertiesPanel 컨트롤 라이트/다크 테마 TDD
+
+describe("TextPropertiesPanel", () => {
+  const baseProps: TextBlockProps = {
+    text: "텍스트",
+    align: "left",
+    size: "base",
+  } as any;
+
+  afterEach(() => {
+    cleanup();
+  });
+
+  it("텍스트 정렬 셀렉트는 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <TextPropertiesPanel
+        textProps={baseProps}
+        selectedBlockId="text-align"
+        updateBlock={updateBlock}
+        editingBlockId={null}
+        setEditingText={() => {}}
+      />,
+    );
+
+    const select = screen.getByLabelText("정렬") as HTMLSelectElement;
+    const className = select.getAttribute("class") ?? "";
+
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    expect(className).toContain("border-slate-300");
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+    expect(className).toContain("dark:border-slate-700");
+  });
+
+  it("글자 간격 프리셋 셀렉트는 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <TextPropertiesPanel
+        textProps={baseProps}
+        selectedBlockId="text-letter-spacing"
+        updateBlock={updateBlock}
+        editingBlockId={null}
+        setEditingText={() => {}}
+      />,
+    );
+
+    const select = screen.getByLabelText("글자 간격 프리셋") as HTMLSelectElement;
+    const className = select.getAttribute("class") ?? "";
+
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    expect(className).toContain("border-slate-300");
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+    expect(className).toContain("dark:border-slate-700");
+  });
+
+  it("최대 너비 프리셋 셀렉트는 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <TextPropertiesPanel
+        textProps={baseProps}
+        selectedBlockId="text-max-width-select"
+        updateBlock={updateBlock}
+        editingBlockId={null}
+        setEditingText={() => {}}
+      />,
+    );
+
+    const select = screen.getByLabelText("최대 너비 프리셋") as HTMLSelectElement;
+    const className = select.getAttribute("class") ?? "";
+
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    expect(className).toContain("border-slate-300");
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+    expect(className).toContain("dark:border-slate-700");
+  });
+
+  it("최대 너비 커스텀 인풋은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <TextPropertiesPanel
+        textProps={baseProps}
+        selectedBlockId="text-max-width-input"
+        updateBlock={updateBlock}
+        editingBlockId={null}
+        setEditingText={() => {}}
+      />,
+    );
+
+    const input = screen.getByLabelText("최대 너비 커스텀") as HTMLInputElement;
+    const className = input.getAttribute("class") ?? "";
+
+    expect(className).toContain("bg-white");
+    expect(className).toContain("text-slate-900");
+    expect(className).toContain("border-slate-300");
+    expect(className).toContain("dark:bg-slate-900");
+    expect(className).toContain("dark:text-slate-100");
+    expect(className).toContain("dark:border-slate-700");
+  });
+});
diff --git a/tests/unit/VideoPropertiesPanel.spec.tsx b/tests/unit/VideoPropertiesPanel.spec.tsx
index 39aa493..cc362ab 100644
--- a/tests/unit/VideoPropertiesPanel.spec.tsx
+++ b/tests/unit/VideoPropertiesPanel.spec.tsx
@@ -293,4 +293,43 @@ describe("VideoPropertiesPanel", () => {
       expect.objectContaining({ captionText: "새 캡션 텍스트" }),
     );
   });
+
+  it("VideoPropertiesPanel 주요 인풋/셀렉트 컨트롤은 라이트/다크 듀얼 테마 크롬을 사용해야 한다", () => {
+    const updateBlock = vi.fn();
+
+    render(
+      <VideoPropertiesPanel
+        videoProps={{ ...baseProps, sourceType: "externalUrl" } as any}
+        selectedBlockId="video-theme-1"
+        updateBlock={updateBlock}
+      />,
+    );
+
+    const sourceSelect = screen.getByLabelText("비디오 소스") as HTMLSelectElement;
+    const sourceClass = sourceSelect.getAttribute("class") ?? "";
+    expect(sourceClass).toContain("bg-white");
+    expect(sourceClass).toContain("text-slate-900");
+    expect(sourceClass).toContain("border-slate-300");
+    expect(sourceClass).toContain("dark:bg-slate-900");
+    expect(sourceClass).toContain("dark:text-slate-100");
+    expect(sourceClass).toContain("dark:border-slate-700");
+
+    const urlInput = screen.getByLabelText("비디오 URL") as HTMLInputElement;
+    const urlClass = urlInput.getAttribute("class") ?? "";
+    expect(urlClass).toContain("bg-white");
+    expect(urlClass).toContain("text-slate-900");
+    expect(urlClass).toContain("border-slate-300");
+    expect(urlClass).toContain("dark:bg-slate-900");
+    expect(urlClass).toContain("dark:text-slate-100");
+    expect(urlClass).toContain("dark:border-slate-700");
+
+    const alignSelect = screen.getByLabelText("비디오 정렬") as HTMLSelectElement;
+    const alignClass = alignSelect.getAttribute("class") ?? "";
+    expect(alignClass).toContain("bg-white");
+    expect(alignClass).toContain("text-slate-900");
+    expect(alignClass).toContain("border-slate-300");
+    expect(alignClass).toContain("dark:bg-slate-900");
+    expect(alignClass).toContain("dark:text-slate-100");
+    expect(alignClass).toContain("dark:border-slate-700");
+  });
 });
diff --git a/tests/unit/formHelpers.spec.ts b/tests/unit/formHelpers.spec.ts
index ad9727f..841bcef 100644
--- a/tests/unit/formHelpers.spec.ts
+++ b/tests/unit/formHelpers.spec.ts
@@ -300,6 +300,16 @@ describe("formHelpers - public tokens", () => {
 		expectNoPxInStyleObject(tokens.inputStyle, { allowKeys: ["borderRadius", "borderWidth"] });
 	});
 
+	it("computeFormInputPublicTokens: 색상 커스텀 값이 없으면 color/backgroundColor/borderColor 를 설정하지 않아야 한다", () => {
+		const tokens = computeFormInputPublicTokens({
+			...baseInput,
+		} as any);
+
+		expect(tokens.inputStyle.color).toBeUndefined();
+		expect(tokens.inputStyle.backgroundColor).toBeUndefined();
+		expect(tokens.inputStyle.borderColor).toBeUndefined();
+	});
+
 	it("computeFormSelectPublicTokens: 퍼블릭 셀렉트 필드 스타일을 계산해야 한다", () => {
 		const tokens = computeFormSelectPublicTokens({
 			...baseSelect,
@@ -327,6 +337,17 @@ describe("formHelpers - public tokens", () => {
 		expectNoPxInStyleObject(tokens.selectStyle, { allowKeys: ["borderRadius", "borderWidth"] });
 	});
 
+	it("computeFormSelectPublicTokens: 색상 커스텀 값이 없으면 color/backgroundColor/borderColor 를 설정하지 않아야 한다", () => {
+		const tokens = computeFormSelectPublicTokens({
+			...baseSelect,
+		} as any);
+
+		expect(tokens.wrapperStyle.color).toBeUndefined();
+		expect(tokens.selectStyle.color).toBeUndefined();
+		expect(tokens.selectStyle.backgroundColor).toBeUndefined();
+		expect(tokens.selectStyle.borderColor).toBeUndefined();
+	});
+
 	it("computeFormCheckboxPublicTokens: 퍼블릭 체크박스 그룹 스타일을 계산해야 한다", () => {
 		const tokens = computeFormCheckboxPublicTokens({
 			...baseCheckbox,
@@ -362,6 +383,17 @@ describe("formHelpers - public tokens", () => {
 		expectNoPxInStyleObject(tokens.optionTextStyle);
 	});
 
+	it("computeFormCheckboxPublicTokens: 색상 커스텀 값이 없으면 텍스트/옵션 컨테이너에 색상 스타일을 설정하지 않아야 한다", () => {
+		const tokens = computeFormCheckboxPublicTokens({
+			...baseCheckbox,
+		} as any);
+
+		expect(tokens.groupTextStyle.color).toBeUndefined();
+		expect(tokens.optionTextStyle.color).toBeUndefined();
+		expect(tokens.optionContainerStyle.backgroundColor).toBeUndefined();
+		expect(tokens.optionContainerStyle.borderColor).toBeUndefined();
+	});
+
 	it("computeFormRadioPublicTokens: 퍼블릭 라디오 그룹 스타일을 계산해야 한다", () => {
 		const tokens = computeFormRadioPublicTokens({
 			...baseRadio,
@@ -389,6 +421,17 @@ describe("formHelpers - public tokens", () => {
 		expect(tokens.groupTextStyle.color).toBe("#ffffff");
 		expect(tokens.optionTextStyle.color).toBe("#ffffff");
 	});
+
+	it("computeFormRadioPublicTokens: 색상 커스텀 값이 없으면 텍스트/옵션 컨테이너에 색상 스타일을 설정하지 않아야 한다", () => {
+		const tokens = computeFormRadioPublicTokens({
+			...baseRadio,
+		} as any);
+
+		expect(tokens.groupTextStyle.color).toBeUndefined();
+		expect(tokens.optionTextStyle.color).toBeUndefined();
+		expect(tokens.optionContainerStyle.backgroundColor).toBeUndefined();
+		expect(tokens.optionContainerStyle.borderColor).toBeUndefined();
+	});
 });
 
 describe("formHelpers.computeFormControllerPublicTokens", () => {
diff --git a/uploads/test-image-1765237806516 b/uploads/test-image-1765237806516
new file mode 100644
index 0000000..0cc5db2
--- /dev/null
+++ b/uploads/test-image-1765237806516
@@ -0,0 +1 @@
+dummy-image
\ No newline at end of file
diff --git a/uploads/test-section-bg-1765237806519 b/uploads/test-section-bg-1765237806519
new file mode 100644
index 0000000..0cc5db2
--- /dev/null
+++ b/uploads/test-section-bg-1765237806519
@@ -0,0 +1 @@
+dummy-image
\ No newline at end of file
diff --git a/uploads/test-section-bg-video-1765237806525 b/uploads/test-section-bg-video-1765237806525
new file mode 100644
index 0000000..badc796
--- /dev/null
+++ b/uploads/test-section-bg-video-1765237806525
@@ -0,0 +1 @@
+dummy-section-video
\ No newline at end of file
diff --git a/uploads/test-video-1765237806524 b/uploads/test-video-1765237806524
new file mode 100644
index 0000000..87ccacf
--- /dev/null
+++ b/uploads/test-video-1765237806524
@@ -0,0 +1 @@
+dummy-video
\ No newline at end of file
diff --git a/uploads/test-video-poster-1765237806517 b/uploads/test-video-poster-1765237806517
new file mode 100644
index 0000000..7285c92
--- /dev/null
+++ b/uploads/test-video-poster-1765237806517
@@ -0,0 +1 @@
+dummy-poster
\ No newline at end of file