로그인 화면 플랫 UI 수정

userfront/lib/core/widgets/theme_toggle_button.dart

@@ -1,8 +1,7 @@
-import 'package:easy_localization/easy_localization.dart' hide tr;
 import 'package:flutter/material.dart';
 import 'package:userfront/i18n.dart';
 
-import '../theme/theme_controller.dart';
+import '../theme/theme_scope.dart';
 
 class ThemeToggleButton extends StatelessWidget {
   const ThemeToggleButton({super.key, this.compact = false});
@@ -11,10 +10,11 @@ class ThemeToggleButton extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    context.locale;
+    Localizations.localeOf(context);
+    final controller = ThemeScope.of(context);
 
     return ValueListenableBuilder<ThemeMode>(
-      valueListenable: ThemeController.instance,
+      valueListenable: controller,
       builder: (context, mode, _) {
         final isLight = mode == ThemeMode.light;
         final icon = isLight
@@ -28,13 +28,13 @@ class ThemeToggleButton extends StatelessWidget {
         if (compact) {
           return IconButton(
             tooltip: tooltip,
-            onPressed: () => ThemeController.instance.toggle(),
+            onPressed: () => controller.toggle(),
             icon: Icon(icon),
           );
         }
 
         return OutlinedButton.icon(
-          onPressed: () => ThemeController.instance.toggle(),
+          onPressed: () => controller.toggle(),
           icon: Icon(icon, size: 18),
           label: Text(label),
         );