Theme Mode #1

lib/features/auth/controllers/theme_mode_cubit.dart

@@ -0,0 +1,24 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'theme_mode_state.dart';
+
+
+class ThemeModeCubit extends Cubit<ThemeModeState> {
+  ThemeModeCubit() : super(const ThemeModeState(mode: ThemeMode.system)) {
+    loadThemeMode();
+  }
+
+  Future<void> loadThemeMode() async {
+    final prefs = await SharedPreferences.getInstance();
+    final modeIndex = prefs.getInt('theme_mode') ?? 2; // default system
+    final mode = ThemeMode.values[modeIndex];
+    emit(ThemeModeState(mode: mode));
+  }
+
+  Future<void> changeThemeMode(ThemeMode mode) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setInt('theme_mode', mode.index);
+    emit(ThemeModeState(mode: mode));
+  }
+}