refactor(settings): reuse DarkModeToggle for app and editor theme

src/components/DarkModeToggle.tsx

@@ -1,24 +1,41 @@
 import { Moon, Sun } from 'lucide-react';
 import { useTheme } from '../contexts/ThemeContext';
 
-function DarkModeToggle() {
+type DarkModeToggleProps = {
+  checked?: boolean;
+  onToggle?: (nextValue: boolean) => void;
+  ariaLabel?: string;
+};
+
+function DarkModeToggle({ checked, onToggle, ariaLabel = 'Toggle dark mode' }: DarkModeToggleProps) {
   const { isDarkMode, toggleDarkMode } = useTheme();
+  const isControlled = typeof checked === 'boolean' && typeof onToggle === 'function';
+  const isEnabled = isControlled ? checked : isDarkMode;
+
+  const handleToggle = () => {
+    if (isControlled) {
+      onToggle(!isEnabled);
+      return;
+    }
+
+    toggleDarkMode();
+  };
 
   return (
     <button
-      onClick={toggleDarkMode}
+      onClick={handleToggle}
       className="relative inline-flex h-8 w-14 items-center rounded-full bg-gray-200 dark:bg-gray-700 transition-colors duration-200 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 dark:focus:ring-offset-gray-900"
       role="switch"
-      aria-checked={isDarkMode}
+      aria-checked={isEnabled}
-      aria-label="Toggle dark mode"
+      aria-label={ariaLabel}
     >
-      <span className="sr-only">Toggle dark mode</span>
+      <span className="sr-only">{ariaLabel}</span>
       <span
         className={`${
-          isDarkMode ? 'translate-x-7' : 'translate-x-1'
+          isEnabled ? 'translate-x-7' : 'translate-x-1'
         } h-6 w-6 transform rounded-full bg-white shadow-lg transition-transform duration-200 flex items-center justify-center`}
       >
-        {isDarkMode ? (
+        {isEnabled ? (
           <Moon className="h-3.5 w-3.5 text-gray-700" />
         ) : (
           <Sun className="h-3.5 w-3.5 text-yellow-500" />

src/components/settings/view/tabs/AppearanceSettingsTab.tsx

@@ -1,4 +1,3 @@
-import { Moon, Sun } from 'lucide-react';
 import type { ReactNode } from 'react';
 import { useTranslation } from 'react-i18next';
 import DarkModeToggle from '../../../DarkModeToggle';
@@ -73,6 +72,7 @@ export default function AppearanceSettingsTab({
   onCodeEditorFontSizeChange,
 }: AppearanceSettingsTabProps) {
   const { t } = useTranslation('settings');
+  const codeEditorThemeLabel = t('appearanceSettings.codeEditor.theme.label');
 
   return (
     <div className="space-y-6 md:space-y-8">
@@ -85,7 +85,7 @@ export default function AppearanceSettingsTab({
                 {t('appearanceSettings.darkMode.description')}
               </div>
             </div>
-            <DarkModeToggle />
+            <DarkModeToggle ariaLabel={t('appearanceSettings.darkMode.label')} />
           </div>
         </div>
       </div>
@@ -120,15 +120,21 @@ export default function AppearanceSettingsTab({
       <div className="space-y-4">
         <h3 className="text-lg font-semibold text-foreground">{t('appearanceSettings.codeEditor.title')}</h3>
 
-        <ToggleCard
+        <div className="bg-gray-50 dark:bg-gray-900/50 border border-gray-200 dark:border-gray-700 rounded-lg p-4">
-          label={t('appearanceSettings.codeEditor.theme.label')}
+          <div className="flex items-center justify-between">
-          description={t('appearanceSettings.codeEditor.theme.description')}
+            <div>
+              <div className="font-medium text-foreground">{codeEditorThemeLabel}</div>
+              <div className="text-sm text-muted-foreground">
+                {t('appearanceSettings.codeEditor.theme.description')}
+              </div>
+            </div>
+            <DarkModeToggle
               checked={codeEditorSettings.theme === 'dark'}
-          onChange={(enabled) => onCodeEditorThemeChange(enabled ? 'dark' : 'light')}
+              onToggle={(enabled) => onCodeEditorThemeChange(enabled ? 'dark' : 'light')}
-          onIcon={<Moon className="w-3.5 h-3.5 text-gray-700" />}
+              ariaLabel={codeEditorThemeLabel}
-          offIcon={<Sun className="w-3.5 h-3.5 text-yellow-500" />}
-          ariaLabel={t('appearanceSettings.codeEditor.theme.label')}
             />
+          </div>
+        </div>
 
         <ToggleCard
           label={t('appearanceSettings.codeEditor.wordWrap.label')}