diff --git a/B07_DesignDetail/openwebcad/src/App.css b/B07_DesignDetail/openwebcad/src/App.css
index 9c4c7197a..60d087d89 100644
--- a/B07_DesignDetail/openwebcad/src/App.css
+++ b/B07_DesignDetail/openwebcad/src/App.css
@@ -27,7 +27,9 @@
 	--cad-text-dim: var(--color-text-secondary);
 	--cad-text-muted: var(--color-text-muted);
 	--cad-accent: var(--color-accent);
-	--cad-hover: var(--color-mist-violet);
+	--cad-hover: var(--color-hover);
+	/* 켜짐 바탕 = 앱 켜기 꼴(553-6) */
+	--cad-on: var(--color-accent-soft);
 	--cad-canvas: var(--draw-canvas);
 }
 
@@ -197,7 +199,7 @@ body > canvas[data-id="canvas"] {
 	overflow-y: auto;
 	background: var(--cad-chrome-raised);
 	border: 1px solid var(--cad-line);
-	border-radius: 4px;
+	border-radius: var(--radius-cards);
 	box-shadow: var(--shadow-lg);
 }
 .cad-ribbon-overflow button {
@@ -206,7 +208,7 @@ body > canvas[data-id="canvas"] {
 	align-items: center;
 	padding: 5px 8px;
 	border: 0;
-	border-radius: 3px;
+	border-radius: var(--radius-sm);
 	background: transparent;
 	font-size: 11px;
 	text-align: left;
@@ -220,7 +222,7 @@ body > canvas[data-id="canvas"] {
 	align-self: center;
 }
 .cad-ribbon-tabs .cad-quick-access button {
-	width: 24px;
+	width: 20px;
 	height: 20px;
 	padding: 0;
 	border: 1px solid transparent;
@@ -254,13 +256,13 @@ body > canvas[data-id="canvas"] {
 }
 .cad-prop select,
 .cad-prop input[type="number"] {
-	height: 19px;
+	height: 18px;
 	min-width: 78px;
 	padding: 0 3px;
 	color: var(--cad-text);
 	background: var(--cad-chrome-sunken);
 	border: 1px solid var(--cad-line);
-	border-radius: 3px;
+	border-radius: 4px;
 	font-size: 11px;
 }
 .cad-prop input[type="number"] {
@@ -268,13 +270,13 @@ body > canvas[data-id="canvas"] {
 	width: 52px;
 }
 .cad-prop input[type="color"] {
-	height: 19px;
+	height: 18px;
 	width: 44px;
 	padding: 1px;
 	background: var(--cad-chrome-sunken);
 	/* 흰색을 골라도 스와치 자리가 보이게 테두리를 진하게 준다 (2026-09-01) */
 	border: 1px solid var(--cad-text-muted);
-	border-radius: 3px;
+	border-radius: 4px;
 	cursor: pointer;
 }
 /* 고른 것들 색이 다름(488) — 빈 견본(투명 · 점선 테두리) */
@@ -283,6 +285,7 @@ input[type="color"][data-mixed="true"]::-webkit-color-swatch { background: trans
 .cad-ribbon-props .cad-tool[data-size="small"] {
 	height: 22px;
 	min-width: 0;
+	border-radius: 4px;
 }
 .cad-tool {
 	display: flex;
@@ -293,7 +296,7 @@ input[type="color"][data-mixed="true"]::-webkit-color-swatch { background: trans
 	min-width: 48px;
 	padding: 3px 6px;
 	border: 1px solid transparent;
-	border-radius: 3px;
+	border-radius: var(--radius-buttons);
 	background: transparent;
 	font-size: 10px;
 	white-space: nowrap;
@@ -328,7 +331,7 @@ input[type="color"][data-mixed="true"]::-webkit-color-swatch { background: trans
 }
 .cad-tool[data-active="true"] {
 	border-color: var(--cad-accent);
-	background: var(--cad-hover);
+	background: var(--cad-on);
 	box-shadow: inset 0 -2px var(--cad-accent);
 }
 .cad-tool:disabled {
@@ -376,7 +379,7 @@ input[type="color"][data-mixed="true"]::-webkit-color-swatch { background: trans
 .cad-inspector-tabs {
 	display: grid;
 	grid-template-columns: 1fr 1fr;
-	height: 38px;
+	height: 36px;
 	border-bottom: 1px solid var(--cad-line);
 }
 .cad-inspector-tabs button {
diff --git a/B07_DesignDetail/openwebcad/src/App_Layers.css b/B07_DesignDetail/openwebcad/src/App_Layers.css
index c46a6d7d1..f45c4a0e5 100644
--- a/B07_DesignDetail/openwebcad/src/App_Layers.css
+++ b/B07_DesignDetail/openwebcad/src/App_Layers.css
@@ -41,7 +41,7 @@
 	align-items: center;
 	overflow: hidden;
 	border: 1px solid var(--cad-line);
-	border-radius: 4px;
+	border-radius: var(--radius-buttons);
 	background: var(--cad-chrome-raised);
 	box-shadow: var(--shadow-lg);
 }
@@ -144,13 +144,13 @@ body.cad-file-dragging::after {
 	padding: 4px;
 	background: var(--cad-chrome-raised);
 	border: 1px solid var(--cad-line);
-	border-radius: 4px;
+	border-radius: var(--radius-cards);
 	box-shadow: var(--shadow-lg);
 }
 .cad-command-suggestions button {
 	padding: 4px 8px;
 	border: 0;
-	border-radius: 3px;
+	border-radius: var(--radius-sm);
 	background: transparent;
 	font: 11px Consolas, monospace;
 	text-align: left;
@@ -182,10 +182,10 @@ body.cad-file-dragging::after {
 }
 .cad-command-area input {
 	flex: 1;
-	height: 26px;
+	height: 28px;
 	padding: 0 8px;
 	border: 1px solid var(--cad-line);
-	border-radius: 2px;
+	border-radius: var(--radius-inputs);
 	outline: none;
 	background: var(--cad-chrome-sunken);
 	color: var(--cad-text);
@@ -211,10 +211,10 @@ body.cad-file-dragging::after {
 	border-top: 1px solid var(--cad-line);
 }
 .cad-statusbar button {
-	height: 21px;
+	height: 22px;
 	padding: 0 8px;
 	border: 1px solid transparent;
-	border-radius: 2px;
+	border-radius: 4px;
 	background: transparent;
 	color: var(--cad-text-dim);
 	font-size: 10px;
@@ -267,7 +267,7 @@ body.cad-file-dragging::after {
 	min-width: 0;
 	padding: 0 4px;
 	border: 1px solid var(--cad-line);
-	border-radius: 3px;
+	border-radius: 6px;
 	background: var(--cad-chrome-sunken);
 	color: var(--cad-text);
 	font-size: 11px;
@@ -308,7 +308,7 @@ body.cad-file-dragging::after {
 	padding: 8px 10px 10px;
 	background: var(--cad-chrome-raised);
 	border: 1px solid var(--cad-line);
-	border-radius: 5px;
+	border-radius: var(--radius-cards);
 	box-shadow: var(--shadow-lg);
 }
 .cad-quick-properties__header {
@@ -336,7 +336,7 @@ body.cad-file-dragging::after {
 	padding: 8px 10px 10px;
 	background: var(--cad-chrome-raised);
 	border: 1px solid var(--cad-line);
-	border-radius: 5px;
+	border-radius: var(--radius-cards);
 	box-shadow: var(--shadow-lg);
 }
 .cad-block-library__empty {
@@ -381,9 +381,10 @@ body.cad-file-dragging::after {
 }
 .cad-block-library__actions button {
 	flex: 1;
-	padding: 4px 0;
+	height: 24px;
+	padding: 0;
 	border: 1px solid var(--cad-line);
-	border-radius: 3px;
+	border-radius: 6px;
 	background: transparent;
 	color: var(--cad-text-dim);
 	font-size: 11px;
@@ -405,7 +406,7 @@ body.cad-file-dragging::after {
 	width: 236px;
 	padding: 8px;
 	border: 1px solid var(--cad-line);
-	border-radius: 6px;
+	border-radius: var(--radius-cards);
 	background: var(--cad-chrome-raised);
 	box-shadow: var(--shadow-lg);
 	color: var(--cad-text);
@@ -444,7 +445,8 @@ body.cad-file-dragging::after {
 }
 
 .cad-frame-tokens__button {
-	padding: 3px 7px;
+	height: 22px;
+	padding: 0 8px;
 	border: 1px solid var(--cad-line);
 	border-radius: 4px;
 	background: var(--cad-chrome);
@@ -454,7 +456,7 @@ body.cad-file-dragging::after {
 }
 
 .cad-frame-tokens__button:hover {
-	background: var(--cad-accent-soft, var(--cad-chrome-raised));
+	background: var(--cad-hover);
 }
 
 /* 자리표 칸 크기 입력 (2026-09-06) */
@@ -468,9 +470,10 @@ body.cad-file-dragging::after {
 
 .cad-frame-tokens__size input {
 	width: 64px;
-	padding: 2px 4px;
+	height: 24px;
+	padding: 0 4px;
 	border: 1px solid var(--cad-line);
-	border-radius: 4px;
+	border-radius: 6px;
 	background: var(--cad-chrome);
 	color: var(--cad-text);
 	font-size: 11px;
diff --git a/B07_DesignDetail/openwebcad/src/commands/commands.insert.ts b/B07_DesignDetail/openwebcad/src/commands/commands.insert.ts
index 6cb2b8d73..e3c5561c7 100644
--- a/B07_DesignDetail/openwebcad/src/commands/commands.insert.ts
+++ b/B07_DesignDetail/openwebcad/src/commands/commands.insert.ts
@@ -1,5 +1,6 @@
 /** 삽입 탭 명령 (조사표 4절 중 구현분) */
 import { toast } from 'react-toastify';
+import { askText } from '../../../../ui_template/ui_template_modal';
 import { saveBlockFromEntities } from '../blocks/block-library';
 import { setBlockLibraryVisible } from '../components/ui-state';
 import { importImageFromFile } from '../helpers/import-export-handlers/import-image-from-file';
@@ -39,13 +40,16 @@ export const INSERT_COMMANDS: CadCommand[] = [
 		needsSelection: true,
 		run: () => {
 			const entities = getSelectedEntities();
-			const name = window.prompt('블록 이름', '')?.trim();
-			if (!name) return '블록 작성 취소';
-			void saveBlockFromEntities(name, entities).then(() => {
-				toast.success(`블록 '${name}' 저장 (객체 ${entities.length}개)`);
-				setBlockLibraryVisible(true);
+			// 글 묻기 = 부품 확인창(553-6 · window.prompt 대신)
+			void askText({ message: '블록 이름', okLabel: '저장' }).then((raw) => {
+				const name = raw?.trim();
+				if (!name) return;
+				void saveBlockFromEntities(name, entities).then(() => {
+					toast.success(`블록 '${name}' 저장 (객체 ${entities.length}개)`);
+					setBlockLibraryVisible(true);
+				});
 			});
-			return `블록 '${name}' 저장`;
+			return '블록 이름 입력';
 		},
 	},
 	{
diff --git a/B07_DesignDetail/openwebcad/src/components/BlockLibraryPanel.tsx b/B07_DesignDetail/openwebcad/src/components/BlockLibraryPanel.tsx
index 3fc99300a..0743bbbe3 100644
--- a/B07_DesignDetail/openwebcad/src/components/BlockLibraryPanel.tsx
+++ b/B07_DesignDetail/openwebcad/src/components/BlockLibraryPanel.tsx
@@ -1,5 +1,6 @@
 /** 블록 라이브러리 팔레트 — 저장한 블록을 고르면 삽입 도구가 켜진다 (INSERT/BLOCK) */
 import type { FC } from 'react';
+import { showConfirmDialog } from '../../../../ui_template/ui_template_modal';
 import {
 	deleteBlock,
 	exportBlocksToFile,
@@ -45,9 +46,10 @@ export const BlockLibraryPanel: FC = () => {
 								type="button"
 								title="삭제"
 								onClick={() => {
-									if (window.confirm(`블록 '${block.name}'을 삭제하시겠습니까?`)) {
-										deleteBlock(block.name);
-									}
+									// 위험 확인 = 부품 확인창(553-6 · window.confirm 대신)
+									void showConfirmDialog(`블록 '${block.name}'을 삭제하시겠습니까?`, '삭제').then(
+										(ok) => ok && deleteBlock(block.name),
+									);
 								}}
 							>
 								✕
diff --git a/B07_DesignDetail/openwebcad/src/components/Button.tsx b/B07_DesignDetail/openwebcad/src/components/Button.tsx
index f95ddc2c4..c02ce12fa 100644
--- a/B07_DesignDetail/openwebcad/src/components/Button.tsx
+++ b/B07_DesignDetail/openwebcad/src/components/Button.tsx
@@ -39,7 +39,7 @@ export const Button: FC<ButtonProps> = ({
 }) => {
 	// 색은 App.css의 테마 토큰이 data-type/data-active로 준다 — 여기서는 배치만.
 	const classParts = [
-		'font-semibold py-4 h-10 flex flex-row justify-start w-full items-center',
+		'font-semibold py-4 h-[42px] flex flex-row justify-start w-full items-center',
 		size === 'regular' ? 'pl-2 pr-2 gap-2' : '',
 		size === 'small' ? 'pl-2 pr-2 gap-0' : '',
 		className || '',
diff --git a/B07_DesignDetail/openwebcad/src/components/DropdownButton.tsx b/B07_DesignDetail/openwebcad/src/components/DropdownButton.tsx
deleted file mode 100644
index 995abf0c5..000000000
--- a/B07_DesignDetail/openwebcad/src/components/DropdownButton.tsx
+++ /dev/null
@@ -1,69 +0,0 @@
-import type { CSSProperties, FC, ReactNode } from 'react';
-import useLocalStorageState from 'use-local-storage-state';
-import { LOCAL_STORAGE_KEY } from '../App.types.ts';
-import { keyboardHandler } from '../helpers/keyboard-handler.ts';
-import { Button } from './Button.tsx';
-import { Icon, IconName } from './Icon/Icon.tsx';
-
-interface DropdownButtonProps {
-	label?: string;
-	title?: string;
-	iconName?: IconName;
-	iconComponent?: ReactNode;
-	active?: boolean;
-	onClick?: () => void;
-	className?: string;
-	style?: CSSProperties;
-	buttonStyle?: CSSProperties;
-	dataId: string;
-	children?: ReactNode;
-	defaultOpen?: boolean;
-}
-
-export const DropdownButton: FC<DropdownButtonProps> = ({
-	label,
-	title,
-	iconName,
-	iconComponent,
-	className,
-	style,
-	buttonStyle,
-	dataId,
-	children,
-	defaultOpen = false,
-}) => {
-	const [isOpen, setIsOpen] = useLocalStorageState<boolean>(
-		`${LOCAL_STORAGE_KEY.DROPDOWN}___${dataId}`,
-		{ defaultValue: defaultOpen }
-	);
-
-	const classParts = [
-		'flex flex-col gap-2 relative',
-		className || '',
-		isOpen ? ' bg-slate-900' : '',
-	];
-	return (
-		<div className={classParts.join(' ')} style={style} data-id={dataId}>
-			<Button
-				iconName={iconName}
-				iconComponent={iconComponent}
-				label={label}
-				title={title}
-				active={isOpen}
-				onClick={() => setIsOpen(!isOpen)}
-				style={buttonStyle}
-				className={'w-full data-[active=true]:bg-blue-950 data-[active=true]:text-white'}
-			/>
-			<Icon name={IconName.SolidDownSmall} className={'absolute top-2.5 right-1 text-blue-700'} />
-			{isOpen && (
-				<div
-					className="flex flex-row flex-wrap max-w-72 gap-1 pl-1 pb-6"
-					onClick={() => setIsOpen(false)}
-					onKeyUp={keyboardHandler(() => setIsOpen(false))}
-				>
-					{children}
-				</div>
-			)}
-		</div>
-	);
-};
diff --git a/B07_DesignDetail/openwebcad/src/inputController/snap-menu.css b/B07_DesignDetail/openwebcad/src/inputController/snap-menu.css
index 8d313cc24..aea05f221 100644
--- a/B07_DesignDetail/openwebcad/src/inputController/snap-menu.css
+++ b/B07_DesignDetail/openwebcad/src/inputController/snap-menu.css
@@ -7,15 +7,15 @@
 	min-width: 160px;
 	padding: 4px;
 	border: 1px solid var(--color-border);
-	border-radius: 6px;
+	border-radius: var(--radius-cards);
 	background: var(--color-surface-raised);
-	box-shadow: var(--shadow-sm);
+	box-shadow: var(--shadow-lg);
 }
 
 .cad-snap-menu > button {
 	padding: 4px 10px;
 	border: 0;
-	border-radius: 4px;
+	border-radius: var(--radius-sm);
 	background: transparent;
 	color: var(--color-text);
 	font-size: 13px;
@@ -25,5 +25,5 @@
 
 .cad-snap-menu > button:hover,
 .cad-snap-menu > button:focus-visible {
-	background: var(--color-surface-hover, rgba(127, 127, 127, 0.15));
+	background: var(--color-hover);
 }
diff --git a/B07_DesignDetail/openwebcad/src/main.tsx b/B07_DesignDetail/openwebcad/src/main.tsx
index 38280e159..81e9a91f6 100644
--- a/B07_DesignDetail/openwebcad/src/main.tsx
+++ b/B07_DesignDetail/openwebcad/src/main.tsx
@@ -7,6 +7,7 @@ import { SNAP_POINT_DISTANCE } from './App.consts';
 import App from './App.tsx';
 import { TOOL_STATE_MACHINES } from './commands/registry';
 import { ScreenCanvasDrawController } from './drawControllers/screenCanvas.drawController';
+import { injectBaseStyles } from '../../../ui_template/ui_template_elements_styles';
 import { registerAutoSave } from './helpers/autosave.ts';
 import { registerCadDebugHook } from './helpers/debug-hook.ts';
 import { draw } from './helpers/draw';
@@ -47,6 +48,7 @@ import { ActorEvent, type DrawEvent } from './tools/tool.types';
 
 // 호스트 앱의 화이트/블랙 모드를 먼저 붙인 뒤 렌더한다.
 syncThemeFromHost();
+injectBaseStyles(); // 부품 단추 · 확인창 꼴(553-6 · 앱과 같은 한 벌)
 // 부모가 `?bare` 로 띄우면 첫 그림부터 캔버스만 — 도면을 넘길 때 다시 정함(522-2)
 if (new URLSearchParams(window.location.search).has('bare')) setBare(true);
 
diff --git a/B07_DesignDetail/openwebcad/tsconfig.app.json b/B07_DesignDetail/openwebcad/tsconfig.app.json
index 87ee7f72c..79edf6ba4 100644
--- a/B07_DesignDetail/openwebcad/tsconfig.app.json
+++ b/B07_DesignDetail/openwebcad/tsconfig.app.json
@@ -25,6 +25,15 @@
     "noUnusedParameters": true,
     "noFallthroughCasesInSwitch": true
   },
-  "include": ["src", "../../A00_Common/key_shortcut.ts", "../../A00_Common/input_prefs.ts"],
+  "include": [
+    "src",
+    "../../A00_Common/key_shortcut.ts",
+    "../../A00_Common/input_prefs.ts",
+    "../../ui_template/ui_template_modal.ts",
+    "../../ui_template/ui_template_button.ts",
+    "../../ui_template/ui_template_icons.ts",
+    "../../ui_template/ui_template_elements_base.ts",
+    "../../ui_template/ui_template_elements_styles.ts"
+  ],
   "exclude": ["node_modules"]
 }