update

lib/app/router.dart

@@ -7,14 +7,30 @@ import '../features/add_transaction/screen.dart';
 import '../features/categories/screen.dart';
 import '../features/settings/screen.dart';
 import '../features/settings/categories/category_manager_screen.dart';
+import '../features/onboarding/screen.dart';
 import '../shared/models/transaction.dart';
 import '../shared/paywall/paywall_screen.dart';
+import '../shared/services/onboarding_service.dart';
+import '../shared/widgets/pro_screen.dart';
+import '../shared/widgets/backup_screen.dart';
+import '../shared/providers/premium_provider.dart';
 
 final _shellKey = GlobalKey<NavigatorState>();
 
 final appRouter = GoRouter(
   initialLocation: '/dashboard',
+  redirect: (context, state) {
+    final location = state.uri.toString();
+    if (OnboardingService.shouldShowOnboarding && location != '/onboarding') {
+      return '/onboarding';
+    }
+    return null;
+  },
   routes: [
+    GoRoute(
+      path: '/onboarding',
+      builder: (context, state) => const OnboardingScreen(),
+    ),
     ShellRoute(
       navigatorKey: _shellKey,
       builder: (context, state, child) => AppShell(child: child),
@@ -54,6 +70,19 @@ final appRouter = GoRouter(
       path: '/paywall',
       builder: (context, state) => const PaywallScreen(),
     ),
+    GoRoute(
+      path: '/pro',
+      builder: (context, state) => const ProScreen(),
+    ),
+    GoRoute(
+      path: '/backup',
+      redirect: (context, state) {
+        final container = ProviderScope.containerOf(context);
+        final isPremium = container.read(isPremiumProvider);
+        return isPremium ? null : '/pro';
+      },
+      builder: (context, state) => const BackupScreen(),
+    ),
   ],
 );
 

lib/app/theme.dart

@@ -44,8 +44,8 @@ class AppTheme {
       scaffoldBackgroundColor: AppColors.background,
       colorScheme: const ColorScheme.dark(
         surface: AppColors.surface,
-        primary: AppColors.accent,
-        secondary: AppColors.accent,
+        primary: const Color(0xFF7C6DED),
+        secondary: const Color(0xFF7C6DED),
         onPrimary: Colors.white,
         onSurface: AppColors.textPrimary,
       ),
@@ -70,11 +70,11 @@ class AppTheme {
       ),
       navigationBarTheme: NavigationBarThemeData(
         backgroundColor: AppColors.surface,
-        indicatorColor: AppColors.accent.withOpacity(0.2),
+        indicatorColor: const Color(0xFF7C6DED).withOpacity(0.2),
         labelTextStyle: WidgetStateProperty.resolveWith((states) {
           if (states.contains(WidgetState.selected)) {
             return GoogleFonts.poppins(
-              color: AppColors.accent,
+              color: const Color(0xFF7C6DED),
               fontSize: 12,
               fontWeight: FontWeight.w600,
             );
@@ -86,7 +86,7 @@ class AppTheme {
         }),
         iconTheme: WidgetStateProperty.resolveWith((states) {
           if (states.contains(WidgetState.selected)) {
-            return const IconThemeData(color: AppColors.accent);
+            return const IconThemeData(color: const Color(0xFF7C6DED));
           }
           return const IconThemeData(color: AppColors.textSecondary);
         }),
@@ -104,14 +104,14 @@ class AppTheme {
         ),
         focusedBorder: OutlineInputBorder(
           borderRadius: BorderRadius.circular(12),
-          borderSide: const BorderSide(color: AppColors.accent, width: 1.5),
+          borderSide: const BorderSide(color: const Color(0xFF7C6DED), width: 1.5),
         ),
         labelStyle: const TextStyle(color: AppColors.textSecondary),
         hintStyle: const TextStyle(color: AppColors.textSecondary),
       ),
       elevatedButtonTheme: ElevatedButtonThemeData(
         style: ElevatedButton.styleFrom(
-          backgroundColor: AppColors.accent,
+          backgroundColor: const Color(0xFF7C6DED),
           foregroundColor: Colors.white,
           minimumSize: const Size(double.infinity, 52),
           shape: RoundedRectangleBorder(
@@ -132,10 +132,12 @@ class AppTheme {
 
   static ThemeData get lightTheme {
     final base = ThemeData.light(useMaterial3: true);
-    final textTheme = GoogleFonts.poppinsTextTheme(base.textTheme).apply(
+    final textTheme = _withCyrillicFallback(
+      base.textTheme.apply(
+        fontFamily: 'Poppins',
         bodyColor: const Color(0xFF1A1A2E),
         displayColor: const Color(0xFF1A1A2E),
-      fontFamilyFallback: ['Roboto'], 
+      ),
     );
 
     return base.copyWith(
@@ -143,8 +145,8 @@ class AppTheme {
       scaffoldBackgroundColor: const Color(0xFFF0F0F7),
       colorScheme: const ColorScheme.light(
         surface: Colors.white,
-        primary: AppColors.accent,
-        secondary: AppColors.accent,
+        primary: const Color(0xFF7C6DED),
+        secondary: const Color(0xFF7C6DED),
         onPrimary: Colors.white,
         onSurface: Color(0xFF1A1A2E),
       ),
@@ -166,15 +168,15 @@ class AppTheme {
           fontSize: 20,
           fontWeight: FontWeight.w600,
         ),
-        iconTheme: const IconThemeData(color: AppColors.accent),
+        iconTheme: const IconThemeData(color: const Color(0xFF7C6DED)),
       ),
       navigationBarTheme: NavigationBarThemeData(
         backgroundColor: Colors.white,
-        indicatorColor: AppColors.accent.withOpacity(0.2),
+        indicatorColor: const Color(0xFF7C6DED).withOpacity(0.2),
         labelTextStyle: WidgetStateProperty.resolveWith((states) {
           if (states.contains(WidgetState.selected)) {
             return GoogleFonts.poppins(
-              color: AppColors.accent,
+              color: const Color(0xFF7C6DED),
               fontSize: 12,
               fontWeight: FontWeight.w600,
             );
@@ -186,7 +188,7 @@ class AppTheme {
         }),
         iconTheme: WidgetStateProperty.resolveWith((states) {
           if (states.contains(WidgetState.selected)) {
-            return const IconThemeData(color: AppColors.accent);
+            return const IconThemeData(color: const Color(0xFF7C6DED));
           }
           return const IconThemeData(color: Color(0xFF9999BB));
         }),
@@ -204,14 +206,14 @@ class AppTheme {
         ),
         focusedBorder: OutlineInputBorder(
           borderRadius: BorderRadius.circular(8),
-          borderSide: const BorderSide(color: AppColors.accent, width: 1.5),
+          borderSide: const BorderSide(color: const Color(0xFF7C6DED), width: 1.5),
         ),
         labelStyle: const TextStyle(color: Color(0xFF9999BB)),
         hintStyle: const TextStyle(color: Color(0xFF9999BB)),
       ),
       elevatedButtonTheme: ElevatedButtonThemeData(
         style: ElevatedButton.styleFrom(
-          backgroundColor: AppColors.accent,
+          backgroundColor: const Color(0xFF7C6DED),
           foregroundColor: Colors.white,
           minimumSize: const Size(double.infinity, 52),
           shape: RoundedRectangleBorder(
@@ -227,10 +229,10 @@ class AppTheme {
         color: Color(0xFFDDDDEE),
         thickness: 1,
       ),
-      iconTheme: const IconThemeData(color: AppColors.accent),
+      iconTheme: const IconThemeData(color: const Color(0xFF7C6DED)),
       chipTheme: ChipThemeData(
         backgroundColor: const Color(0xFFEEEEF8),
-        selectedColor: AppColors.accent,
+        selectedColor: const Color(0xFF7C6DED),
         labelStyle: GoogleFonts.poppins(
           color: const Color(0xFF1A1A2E),
         ),

lib/core/l10n/app_strings.dart

@@ -261,4 +261,125 @@ class AppStrings {
       _ru ? 'Изменение высоты карточки' : 'Resizable card height';
   String get premiumFeatureAccounts =>
       _ru ? 'До 8 счетов' : 'Up to 8 accounts';
+
+  String get onboardingWelcome => _ru ? 'Добро пожаловать в' : 'Welcome to';
+  String get onboardingMultiCurrencyTitle =>
+      _ru ? 'Все деньги\nна одном экране' : 'All Your Money,\nOne View';
+  String get onboardingMultiCurrencyBody => _ru
+      ? 'Счета в разных валютах с автоматической конвертацией по актуальным курсам'
+      : 'Accounts in different currencies, automatically converted at live exchange rates';
+  String get onboardingCardsTitle =>
+      _ru ? 'Живые карточки' : 'Cards That Come Alive';
+  String get onboardingCardsBody => _ru
+      ? 'Наклоните телефон — и карточка оживает. Градиенты, цвета и высота — всё настраивается под вас'
+      : 'Tilt your phone and watch them respond. Customize gradients, colors and height to make them yours';
+  String get onboardingReadyTitle => _ru ? 'Всё готово' : "You're All Set";
+  String get onboardingReadyBody => _ru
+      ? 'Если готовы — свайпните вправо, чтобы открыть приложение'
+      : "If you're ready — swipe right to open the app";
+  String get onboardingSwipeRight => _ru ? 'Свайп вправо' : 'Swipe Right';
+
+  String get proTitle => _ru ? 'Casha Pro' : 'Casha Pro';
+  String get proAboutPro => _ru ? 'Подробнее' : 'About Pro';
+  String get proSubtitle => _ru
+      ? 'Раскройте весь потенциал Casha'
+      : 'Unlock the full power of Casha';
+  String get proBuy => _ru ? 'Купить Pro' : 'Buy Pro';
+  String get proFeatureCloudSync =>
+      _ru ? 'Облачная синхронизация' : 'Cloud Sync';
+  String get proFeatureCloudSyncDesc => _ru
+      ? 'Синхронизация между всеми вашими устройствами'
+      : 'Sync across all your devices';
+  String get proFeatureBiometric =>
+      _ru ? 'Биометрическая защита' : 'Biometric Protection';
+  String get proFeatureBiometricDesc => _ru
+      ? 'Защитите свои данные отпечатком пальца или Face ID'
+      : 'Secure your data with fingerprint or Face ID';
+  String get proFeatureAnalytics =>
+      _ru ? 'Детальная аналитика' : 'Detailed Analytics';
+  String get proFeatureAnalyticsDesc => _ru
+      ? 'Графики и статистика по расходам и доходам'
+      : 'Charts and stats for income and spending';
+  String get proFeatureCustomization =>
+      _ru ? 'Кастомизация карточек' : 'Card Customization';
+  String get proFeatureCustomizationDesc => _ru
+      ? 'Цвета, градиенты, высота — всё под вашим контролем'
+      : 'Colors, gradients, height — all under your control';
+  String get proFeatureAccounts =>
+      _ru ? 'До 8 счетов' : 'Up to 8 Accounts';
+  String get proFeatureAccountsDesc => _ru
+      ? 'Создавайте больше счетов для разных целей'
+      : 'Create more accounts for different goals';
+  String get proTryPro => _ru ? 'Попробовать Pro' : 'Try Pro';
+  String get proRestorePurchases =>
+      _ru ? 'Восстановить покупки' : 'Restore Purchases';
+  String get proActive => _ru ? 'Pro активна' : 'Pro Active';
+  String get proSignInForSync =>
+      _ru ? 'Войдите, чтобы включить синхронизацию' : 'Sign in to enable sync';
+  String get proSignInGoogle =>
+      _ru ? 'Войти через Google' : 'Sign in with Google';
+  String get proSyncEnabled =>
+      _ru ? 'Синхронизация включена' : 'Sync enabled';
+  String get proLastBackup => _ru ? 'Последняя резервная копия' : 'Last backup';
+  String get proSignOut => _ru ? 'Выйти' : 'Sign Out';
+  String get proPurchaseSuccess =>
+      _ru ? 'Pro успешно активирована!' : 'Pro successfully activated!';
+  String get proPurchaseFailed =>
+      _ru ? 'Не удалось оформить подписку' : 'Purchase failed';
+  String get proRestoreSuccess =>
+      _ru ? 'Покупки восстановлены!' : 'Purchases restored!';
+  String get proRestoreNotFound =>
+      _ru ? 'Предыдущие покупки не найдены' : 'No previous purchases found';
+  String get proTapToClose =>
+      _ru ? 'Нажмите чтобы закрыть' : 'Tap anywhere to close';
+  String get proResetData =>
+      _ru ? 'Сбросить тестовые данные' : 'Reset Test Data';
+  String get proResetDataDesc => _ru
+      ? 'Локально отменить подписку для тестирования'
+      : 'Locally cancel subscription for testing';
+  String get proResetDataConfirm => _ru
+      ? 'Сбросить подписку? Это локально очистит ваш премиум статус.'
+      : 'Reset subscription? This will locally clear your premium status.';
+  String get proResetDataSuccess => _ru
+      ? 'Премиум статус сброшен'
+      : 'Premium status reset';
+  String get proRestoreSuccessTitle =>
+      _ru ? 'Покупки восстановлены!' : 'Purchases Restored!';
+  String get backupTitle => _ru ? 'Резервная копия' : 'Backup';
+  String get backupCreate => _ru ? 'Создать резервную копию' : 'Create Backup';
+  String get backupRestore => _ru ? 'Восстановить из копии' : 'Restore Backup';
+  String get backupCreating => _ru ? 'Создание копии...' : 'Creating backup...';
+  String get backupRestoring => _ru ? 'Восстановление...' : 'Restoring...';
+  String get backupSuccess =>
+      _ru ? 'Резервная копия успешно создана!' : 'Backup created successfully!';
+  String get backupRestoreSuccess =>
+      _ru ? 'Данные успешно восстановлены!' : 'Data restored successfully!';
+  String get backupRestoreFailed =>
+      _ru ? 'Не удалось восстановить данные' : 'Failed to restore data';
+  String get backupNoFileFound =>
+      _ru ? 'Резервная копия не найдена' : 'No backup file found';
+  String get backupTokenMismatch =>
+      _ru
+          ? 'Этот файл резервной копии принадлежит другому покупателю Premium'
+          : 'This backup file belongs to another Premium purchaser';
+  String get backupInvalidFormat =>
+      _ru ? 'Неверный формат файла резервной копии' : 'Invalid backup file format';
+  String get backupNoToken =>
+      _ru
+          ? 'Файл резервной копии не содержит токен покупки'
+          : 'Backup file does not contain a purchase token';
+  String get backupRequiresPremium =>
+      _ru ? 'Резервная копия доступна только для Pro' : 'Backup is a Pro-only feature';
+  String get backupRequiresSignIn =>
+      _ru
+          ? 'Войдите в Google аккаунт для работы с резервными копиями'
+          : 'Sign in to Google to manage backups';
+  String get backupLastBackup => _ru ? 'Последняя копия' : 'Last backup';
+  String get backupNever => _ru ? 'Никогда' : 'Never';
+  String get backupSyncWithDrive =>
+      _ru ? 'Синхронизация с Google Диском' : 'Google Drive Sync';
+  String get backupSyncDesc =>
+      _ru
+          ? 'Резервное копирование данных на ваш Google Диск'
+          : 'Back up your data to your Google Drive';
 }

lib/core/services/card_color_service.dart

@@ -10,14 +10,14 @@ class CardColorService {
   static const _keyGradientLight = 'gradient_type_light';
   static const _keyGradientDark = 'gradient_type_dark';
 
-  static const defaultPrimary = Color(0xFFBEF264);
-  static const defaultSecondary = Color(0xFF4D7C0F);
+  static const defaultPrimary = Color(0xFF4CAF8C);
+  static const defaultSecondary = Color(0xFF4CAF8C);
 
-  static const defaultPrimaryLight = Color(0xFF6A6482);
-  static const defaultSecondaryLight = Color(0xFF000000);
+  static const defaultPrimaryLight = Color(0xFF4CAF8C);
+  static const defaultSecondaryLight = Color(0xFF4CAF8C);
 
-  static const defaultGradientLight = GradientType.sweep;
-  static const defaultGradientDark = GradientType.radial;
+  static const defaultGradientLight = GradientType.solid;
+  static const defaultGradientDark = GradientType.solid;
 
   static Future<(Color, Color, GradientType, GradientType)> load({
     int? accountId,

lib/data/repositories/account_repository.dart

@@ -13,9 +13,9 @@ class FeatureLimitException implements Exception {
 
 class AccountRepository {
   final AppDatabase _db;
-  final FeatureFlags _featureFlags;
+  final FeatureFlags Function() _getFeatureFlags;
 
-  AccountRepository(this._db, this._featureFlags);
+  AccountRepository(this._db, this._getFeatureFlags);
 
   Stream<List<model.Account>> watchAll() {
     return (_db.select(_db.accounts)
@@ -167,8 +167,9 @@ class AccountRepository {
   Future<int> add(model.Account account) async {
     final existing = await getAll();
     final nonMainCount = existing.where((a) => !a.isMain).length;
-    if (nonMainCount >= _featureFlags.maxAccounts) {
-      throw FeatureLimitException('Account limit reached (${_featureFlags.maxAccounts})');
+    final flags = _getFeatureFlags();
+    if (flags.maxAccounts != -1 && nonMainCount >= flags.maxAccounts) {
+      throw FeatureLimitException('Account limit reached (${flags.maxAccounts})');
     }
     return await _db.into(_db.accounts).insert(
       AccountsCompanion.insert(

lib/features/add_transaction/screen.dart

@@ -391,7 +391,7 @@ class _AddTransactionScreenState extends ConsumerState<AddTransactionScreen>
         data: Theme.of(context).copyWith(
           colorScheme: Theme.of(
             context,
-          ).colorScheme.copyWith(primary: AppColors.accent),
+          ).colorScheme.copyWith(primary: const Color(0xFF7C6DED)),
         ),
         child: child!,
       ),
@@ -995,7 +995,7 @@ class _ToAccountDropdownOverlay extends ConsumerWidget {
                             const Icon(
                               Icons.check_rounded,
                               size: 16,
-                              color: Color(0xFF7C6DED),
+                              color: const Color(0xFF7C6DED),
                             ),
                           ],
                         ],

lib/features/add_transaction/widgets/account_selector.dart

@@ -73,7 +73,7 @@ class AccountSelector extends ConsumerWidget {
                 const Icon(
                   Icons.account_balance_wallet_rounded,
                   size: 18,
-                  color: Color(0xFF7C6DED),
+                  color: const Color(0xFF7C6DED),
                 ),
                 const SizedBox(width: 10),
                 Flexible(
@@ -244,7 +244,7 @@ class AccountDropdownOverlay extends ConsumerWidget {
                             const Icon(
                               Icons.check_rounded,
                               size: 16,
-                              color: Color(0xFF7C6DED),
+                              color: const Color(0xFF7C6DED),
                             ),
                           ],
                         ],

lib/features/add_transaction/widgets/category_picker.dart

@@ -105,22 +105,22 @@ class _AddCategoryChip extends StatelessWidget {
       child: Container(
         padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 10),
         decoration: BoxDecoration(
-          color: AppColors.accent.withOpacity(0.12),
+          color: const Color(0xFF7C6DED).withOpacity(0.12),
           borderRadius: BorderRadius.circular(12),
           border: Border.all(
-            color: AppColors.accent.withOpacity(0.5),
+            color: const Color(0xFF7C6DED).withOpacity(0.5),
             width: 1,
           ),
         ),
         child: Row(
           mainAxisSize: MainAxisSize.min,
           children: [
-            const Icon(Icons.add_rounded, color: AppColors.accent, size: 16),
+            const Icon(Icons.add_rounded, color: const Color(0xFF7C6DED), size: 16),
             const SizedBox(width: 6),
             Text(
               label,
               style: Theme.of(context).textTheme.bodySmall?.copyWith(
-                color: AppColors.accent,
+                color: const Color(0xFF7C6DED),
                 fontWeight: FontWeight.w600,
               ),
             ),

lib/features/add_transaction/widgets/note_field.dart

@@ -43,7 +43,7 @@ class NoteField extends StatelessWidget {
         ),
         focusedBorder: OutlineInputBorder(
           borderRadius: BorderRadius.circular(12),
-          borderSide: const BorderSide(color: Color(0xFF7C6DED), width: 1.5),
+          borderSide: BorderSide(color: const Color(0xFF7C6DED), width: 1.5),
         ),
       ),
       onChanged: onChanged,

lib/features/categories/provider.dart

@@ -1,4 +1,5 @@
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../shared/models/account.dart';
 import '../../shared/models/transaction.dart';
 import '../dashboard/provider.dart';
 import '../settings/provider.dart';
@@ -35,81 +36,88 @@ class _StatsTimeFilterNotifier extends Notifier<StatsTimeFilter> {
   });
  }
 
-String _statsTargetCurrency(Ref ref) {
-  final index = ref.watch(activeAccountIndexProvider);
-  final accountsAsync = ref.watch(accountsProvider);
-  final globalCurrency = ref.watch(currencyProvider).code;
-
-  if (index > 0) {
-    final accounts = accountsAsync.value ?? [];
-    if (index <= accounts.length) {
-      return accounts[index - 1].currency;
+String _resolveTargetCurrency(
+  int activeIndex,
+  List<Account> accounts,
+  String globalCurrency,
+) {
+  if (activeIndex > 0 && activeIndex <= accounts.length) {
+    return accounts[activeIndex - 1].currency;
   }
-  }
-
   return globalCurrency;
 }
 
-CurrencyInfo _statsCurrencyInfo(Ref ref) {
-  final code = _statsTargetCurrency(ref);
-  return CurrencyInfo(currencyMap[code]?.symbol ?? '\$', code);
-}
-
-List<Transaction> _statsScopedTransactions(Ref ref) {
-  final txs = ref.watch(accountFilteredTransactionsProvider);
-  final timeFilter = ref.watch(statsTimeFilterProvider);
+List<Transaction> _filterScopedTransactions(
+  List<Transaction> txs,
+  StatsTimeFilter timeFilter,
+) {
   var filtered = txs.where((t) => t.category != 'Transfer');
-
   if (timeFilter == StatsTimeFilter.month) {
     final now = DateTime.now();
     filtered = filtered.where(
       (t) => t.date.year == now.year && t.date.month == now.month,
     );
   }
-
   return filtered.toList();
 }
 
-double _convertAmount(Ref ref, Transaction t) {
-  final exchange = ref.watch(exchangeRateServiceProvider);
-  return exchange.convert(
-    t.amount,
-    t.currencyCode,
-    _statsTargetCurrency(ref),
-  );
-}
-
 final statsCurrencyProvider = Provider<CurrencyInfo>((ref) {
-  return _statsCurrencyInfo(ref);
+  final index = ref.watch(activeAccountIndexProvider);
+  final accountsAsync = ref.watch(accountsProvider);
+  final globalCurrency = ref.watch(currencyProvider).code;
+  final accounts = accountsAsync.value ?? [];
+  final code = _resolveTargetCurrency(index, accounts, globalCurrency);
+  return CurrencyInfo(currencyMap[code]?.symbol ?? '\$', code);
 });
 
- final statsScopedTransactionsProvider = Provider<List<Transaction>>((ref) {
-  return _statsScopedTransactions(ref);
- });
+final statsScopedTransactionsProvider = Provider<List<Transaction>>((ref) {
+  final txs = ref.watch(accountFilteredTransactionsProvider);
+  final timeFilter = ref.watch(statsTimeFilterProvider);
+  return _filterScopedTransactions(txs, timeFilter);
+});
 
 final statsIncomeTotalProvider = Provider<double>((ref) {
+  final exchange = ref.watch(exchangeRateServiceProvider);
+  final index = ref.watch(activeAccountIndexProvider);
+  final accountsAsync = ref.watch(accountsProvider);
+  final globalCurrency = ref.watch(currencyProvider).code;
+  final accounts = accountsAsync.value ?? [];
+  final target = _resolveTargetCurrency(index, accounts, globalCurrency);
   return ref
       .watch(statsScopedTransactionsProvider)
       .where((t) => t.type == TransactionType.income)
-      .fold(0.0, (sum, t) => sum + _convertAmount(ref, t));
+      .fold(0.0, (sum, t) => sum + exchange.convert(t.amount, t.currencyCode, target));
 });
 
 final statsExpenseTotalProvider = Provider<double>((ref) {
+  final exchange = ref.watch(exchangeRateServiceProvider);
+  final index = ref.watch(activeAccountIndexProvider);
+  final accountsAsync = ref.watch(accountsProvider);
+  final globalCurrency = ref.watch(currencyProvider).code;
+  final accounts = accountsAsync.value ?? [];
+  final target = _resolveTargetCurrency(index, accounts, globalCurrency);
   return ref
       .watch(statsScopedTransactionsProvider)
       .where((t) => t.type == TransactionType.expense)
-      .fold(0.0, (sum, t) => sum + _convertAmount(ref, t));
+      .fold(0.0, (sum, t) => sum + exchange.convert(t.amount, t.currencyCode, target));
 });
 
- final statsSummaryProvider = Provider<StatsSummary>((ref) {
+final statsSummaryProvider = Provider<StatsSummary>((ref) {
+  final exchange = ref.watch(exchangeRateServiceProvider);
+  final index = ref.watch(activeAccountIndexProvider);
+  final accountsAsync = ref.watch(accountsProvider);
+  final globalCurrency = ref.watch(currencyProvider).code;
+  final accounts = accountsAsync.value ?? [];
+  final target = _resolveTargetCurrency(index, accounts, globalCurrency);
   final transactions = ref.watch(statsScopedTransactionsProvider);
+
   var income = 0.0;
   var expense = 0.0;
   var incomeCount = 0;
   var expenseCount = 0;
 
   for (final transaction in transactions) {
-    final amount = _convertAmount(ref, transaction);
+    final amount = exchange.convert(transaction.amount, transaction.currencyCode, target);
     if (transaction.type == TransactionType.income) {
       income += amount;
       incomeCount++;
@@ -128,22 +136,34 @@ final statsExpenseTotalProvider = Provider<double>((ref) {
     averageIncome: incomeCount == 0 ? 0 : income / incomeCount,
     averageExpense: expenseCount == 0 ? 0 : expense / expenseCount,
   );
- });
+});
 
 final categoryExpenseProvider = Provider<Map<String, double>>((ref) {
+  final exchange = ref.watch(exchangeRateServiceProvider);
+  final index = ref.watch(activeAccountIndexProvider);
+  final accountsAsync = ref.watch(accountsProvider);
+  final globalCurrency = ref.watch(currencyProvider).code;
+  final accounts = accountsAsync.value ?? [];
+  final target = _resolveTargetCurrency(index, accounts, globalCurrency);
   final map = <String, double>{};
   for (final t in ref.watch(statsScopedTransactionsProvider)) {
     if (t.type != TransactionType.expense) continue;
-    map[t.category] = (map[t.category] ?? 0) + _convertAmount(ref, t);
+    map[t.category] = (map[t.category] ?? 0) + exchange.convert(t.amount, t.currencyCode, target);
   }
   return map;
 });
 
 final categoryIncomeProvider = Provider<Map<String, double>>((ref) {
+  final exchange = ref.watch(exchangeRateServiceProvider);
+  final index = ref.watch(activeAccountIndexProvider);
+  final accountsAsync = ref.watch(accountsProvider);
+  final globalCurrency = ref.watch(currencyProvider).code;
+  final accounts = accountsAsync.value ?? [];
+  final target = _resolveTargetCurrency(index, accounts, globalCurrency);
   final map = <String, double>{};
   for (final t in ref.watch(statsScopedTransactionsProvider)) {
     if (t.type != TransactionType.income) continue;
-    map[t.category] = (map[t.category] ?? 0) + _convertAmount(ref, t);
+    map[t.category] = (map[t.category] ?? 0) + exchange.convert(t.amount, t.currencyCode, target);
   }
   return map;
 });
@@ -151,7 +171,11 @@ final categoryIncomeProvider = Provider<Map<String, double>>((ref) {
 final monthlyBreakdownProvider = Provider<List<MonthlyData>>((ref) {
   final txs = ref.watch(accountFilteredTransactionsProvider);
   final exchange = ref.watch(exchangeRateServiceProvider);
-  final target = _statsTargetCurrency(ref);
+  final index = ref.watch(activeAccountIndexProvider);
+  final accountsAsync = ref.watch(accountsProvider);
+  final globalCurrency = ref.watch(currencyProvider).code;
+  final accounts = accountsAsync.value ?? [];
+  final target = _resolveTargetCurrency(index, accounts, globalCurrency);
   final now = DateTime.now();
   final months = <MonthlyData>[];
 
@@ -177,7 +201,11 @@ final monthlyBreakdownProvider = Provider<List<MonthlyData>>((ref) {
 final monthlyIncomeBreakdownProvider = Provider<List<MonthlyData>>((ref) {
   final txs = ref.watch(accountFilteredTransactionsProvider);
   final exchange = ref.watch(exchangeRateServiceProvider);
-  final target = _statsTargetCurrency(ref);
+  final index = ref.watch(activeAccountIndexProvider);
+  final accountsAsync = ref.watch(accountsProvider);
+  final globalCurrency = ref.watch(currencyProvider).code;
+  final accounts = accountsAsync.value ?? [];
+  final target = _resolveTargetCurrency(index, accounts, globalCurrency);
   final now = DateTime.now();
   final months = <MonthlyData>[];
 

lib/features/categories/screen.dart

@@ -456,7 +456,7 @@ class _CategoryItem extends ConsumerWidget {
     final isRu = s.locale == AppLocale.ru;
     final catalog = ref.watch(categoryCatalogProvider);
     final fmt = ref.watch(amountFormatProvider);
-    final color = catalog.colorFor(category, AppColors.accent);
+    final color = catalog.colorFor(category, const Color(0xFF7C6DED));
     final icon = catalog.iconFor(category);
     final pct = total > 0 ? amount / total : 0.0;
 
@@ -571,7 +571,7 @@ class _SummaryBadgeRow extends ConsumerWidget {
               '${(share * 100).toStringAsFixed(1)}%',
               style: Theme.of(context).textTheme.bodyMedium?.copyWith(
                 fontWeight: FontWeight.w700,
-                color: AppColors.accent,
+                color: const Color(0xFF7C6DED),
               ),
             ),
           ),
@@ -874,7 +874,7 @@ class _TimePeriodToggle extends ConsumerWidget {
             child: _ToggleChip(
               label: s.filterMonth,
               isSelected: filter == StatsTimeFilter.month,
-              color: AppColors.accent,
+              color: const Color(0xFF7C6DED),
               onTap: () => onChanged(StatsTimeFilter.month),
             ),
           ),
@@ -882,7 +882,7 @@ class _TimePeriodToggle extends ConsumerWidget {
             child: _ToggleChip(
               label: s.filterAllTime,
               isSelected: filter == StatsTimeFilter.allTime,
-              color: AppColors.accent,
+              color: const Color(0xFF7C6DED),
               onTap: () => onChanged(StatsTimeFilter.allTime),
             ),
           ),

lib/features/categories/widgets/account_scope_chips.dart

@@ -90,11 +90,11 @@ class _ScopeChip extends StatelessWidget {
         padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
         decoration: BoxDecoration(
           color: isSelected
-              ? AppColors.accent.withOpacity(0.2)
+              ? const Color(0xFF7C6DED).withOpacity(0.2)
               : Theme.of(context).colorScheme.surface,
           borderRadius: BorderRadius.circular(20),
           border: isSelected
-              ? Border.all(color: AppColors.accent, width: 1.5)
+              ? Border.all(color: const Color(0xFF7C6DED), width: 1.5)
               : isDark
               ? null
               : Border.all(color: const Color(0xFFDDDDEE), width: 1),
@@ -105,7 +105,7 @@ class _ScopeChip extends StatelessWidget {
             fontSize: 12,
             fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
             color: isSelected
-                ? AppColors.accent
+                ? const Color(0xFF7C6DED)
                 : Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
           ),
         ),

lib/features/dashboard/provider.dart

@@ -28,8 +28,7 @@ final transactionRepositoryProvider = Provider<TransactionRepository>((ref) {
 
 final accountRepositoryProvider = Provider<AccountRepository>((ref) {
   final db = ref.watch(appDatabaseProvider);
-  final flags = ref.watch(featureFlagsProvider);
-  return AccountRepository(db, flags);
+  return AccountRepository(db, () => ref.read(featureFlagsProvider));
 });
 
 final storageServiceProvider = Provider<StorageService>((ref) {

lib/features/dashboard/screen.dart

@@ -303,7 +303,10 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
         elevation: 0,
         scrolledUnderElevation: 0,
         titleSpacing: 20,
-        title: Text(
+        title: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Text(
               'Casha',
               style: Theme.of(context).textTheme.headlineMedium?.copyWith(
                 fontWeight: FontWeight.w800,
@@ -311,6 +314,22 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
                 letterSpacing: -0.5,
               ),
             ),
+            if (ref.watch(featureFlagsProvider).canEditCardColors) ...[
+              const SizedBox(width: 6),
+              Text(
+                'Pro',
+                style: Theme.of(context).textTheme.headlineMedium?.copyWith(
+                  fontWeight: FontWeight.w500,
+                  color: Theme.of(context)
+                      .colorScheme
+                      .onSurface
+                      .withOpacity(0.4),
+                  letterSpacing: -0.5,
+                ),
+              ),
+            ],
+          ],
+        ),
         actions: [
           Padding(
             padding: const EdgeInsets.only(right: 20),
@@ -468,7 +487,7 @@ class _AccountsInfoBlock extends ConsumerWidget {
                 const Icon(
                   Icons.account_balance_wallet_rounded,
                   size: 18,
-                  color: Color(0xFF7C6DED),
+                  color: const Color(0xFF7C6DED),
                 ),
                 const SizedBox(width: 8),
                 Text(

lib/features/dashboard/widgets/account_editor_overlay/account_editor_overlay.dart

@@ -2,6 +2,9 @@ import 'dart:ui';
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import '../../../../core/constants.dart';
+import '../../../../core/l10n/app_strings.dart';
+import '../../../../core/l10n/locale_provider.dart';
+import '../../../../core/services/haptic_service.dart';
 import '../../../../core/utils/card_layout.dart';
 import '../../../../shared/models/account.dart';
 import '../../../../shared/models/transaction.dart';
@@ -60,9 +63,7 @@ class _AccountEditorOverlayState extends State<AccountEditorOverlay> {
         return;
       }
 
-      dash.setState(() {
       dash.tempAccountName = _nameController.text;
-      });
       dash.overlayEntry?.markNeedsBuild();
     });
   }
@@ -282,6 +283,104 @@ class _AccountEditorOverlayState extends State<AccountEditorOverlay> {
                     ),
                   ),
                 ),
+              ] else ...[
+                Positioned(
+                  top: editorPanelTop + editorPanelHeight + layout.sectionGap,
+                  left: 20,
+                  right: 20,
+                  child: GestureDetector(
+                    onTap: () {
+                      if (_showCurrencyDropdown) {
+                        setState(() {
+                          _showCurrencyDropdown = false;
+                        });
+                      }
+                    },
+                    behavior: HitTestBehavior.opaque,
+                    child: Container(
+                      padding: EdgeInsets.symmetric(
+                        horizontal: 16,
+                        vertical: layout.buttonVerticalPadding,
+                      ),
+                      decoration: BoxDecoration(
+                        color: Theme.of(widget.context).colorScheme.surface,
+                        borderRadius: BorderRadius.circular(20),
+                        border: Border.all(
+                          color: Theme.of(
+                            widget.context,
+                          ).colorScheme.onSurface.withOpacity(0.1),
+                          width: 1.5,
+                        ),
+                        boxShadow: [
+                          BoxShadow(
+                            color: Colors.black.withOpacity(0.3),
+                            blurRadius: 24,
+                            offset: const Offset(0, 8),
+                          ),
+                        ],
+                      ),
+                      child: SizedBox(
+                        width: double.infinity,
+                        child: ElevatedButton(
+                          onPressed:
+                              dash.tempAccountName.trim().isEmpty
+                              ? null
+                              : () {
+                                  final accounts =
+                                      ref.read(accountsProvider).value ?? [];
+                                  if (_isDuplicateName(
+                                    accounts,
+                                    dash.tempAccountName,
+                                  )) {
+                                    setState(() => _showDuplicateError = true);
+                                    Future.delayed(
+                                      const Duration(seconds: 3),
+                                      () {
+                                        if (mounted) {
+                                          setState(() =>
+                                              _showDuplicateError = false);
+                                        }
+                                      },
+                                    );
+                                    return;
+                                  }
+                                  HapticService.light();
+                                  dash.closeAccountOverlay(apply: true);
+                                },
+                          style: ElevatedButton.styleFrom(
+                            backgroundColor: const Color(0xFF7C6DED),
+                            foregroundColor: Colors.white,
+                            disabledBackgroundColor: Theme.of(
+                              widget.context,
+                            ).colorScheme.onSurface.withOpacity(0.12),
+                            disabledForegroundColor: Theme.of(
+                              widget.context,
+                            ).colorScheme.onSurface.withOpacity(0.38),
+                            padding: EdgeInsets.symmetric(
+                              vertical: layout.buttonVerticalPadding,
+                            ),
+                            shape: RoundedRectangleBorder(
+                              borderRadius: BorderRadius.circular(12),
+                            ),
+                          ),
+                          child: Text(
+                            dash.isAddingAccount
+                                ? AppStrings(
+                                    ref.read(localeProvider),
+                                  ).addAccount
+                                : AppStrings(
+                                    ref.read(localeProvider),
+                                  ).apply,
+                            style: TextStyle(
+                              fontWeight: FontWeight.w700,
+                              fontSize: layout.compact ? 13 : 14,
+                            ),
+                          ),
+                        ),
+                      ),
+                    ),
+                  ),
+                ),
               ],
               if (_showCurrencyDropdown)
                 Positioned(
@@ -310,9 +409,7 @@ class _AccountEditorOverlayState extends State<AccountEditorOverlay> {
                             onTap: () {
                               setState(() {
                                 _selectedCurrency = entry.$1;
-                                dash.setState(() {
                                 dash.tempAccountCurrency = entry.$1;
-                                });
                                 dash.overlayEntry?.markNeedsBuild();
                                 _showCurrencyDropdown = false;
                               });
@@ -366,7 +463,7 @@ class _AccountEditorOverlayState extends State<AccountEditorOverlay> {
                                     const Icon(
                                       Icons.check_rounded,
                                       size: 14,
-                                      color: Color(0xFF7C6DED),
+                                      color: const Color(0xFF7C6DED),
                                     ),
                                   ],
                                 ],

lib/features/dashboard/widgets/account_editor_overlay/color_panel.dart

@@ -57,8 +57,6 @@ class AccountColorPanel extends StatelessWidget {
           );
 
           void onHSVChanged(HSVColor hsv) {
-            setPanelState(() {});
-            dashboardState.setState(() {
             if (dashboardState.editingPrimary) {
               dashboardState.tempPrimaryHSV = hsv;
               dashboardState.tempPrimary = hsv.toColor();
@@ -66,7 +64,7 @@ class AccountColorPanel extends StatelessWidget {
               dashboardState.tempSecondaryHSV = hsv;
               dashboardState.tempSecondary = hsv.toColor();
             }
-            });
+            setPanelState(() {});
             dashboardState.overlayEntry?.markNeedsBuild();
           }
 
@@ -106,18 +104,16 @@ class AccountColorPanel extends StatelessWidget {
                               : dashboardState.tempPrimary,
                           isDimmed: isSolid,
                           onTap: () {
-                            dashboardState.setState(() {
                             if (isSolid)
                               if (Theme.of(dashboardContext).brightness ==
                                   Brightness.dark) {
                                 dashboardState.tempDarkGradientType =
-                                      CardColorService.defaultGradientDark;
+                                    GradientType.linear;
                               } else {
                                 dashboardState.tempLightGradientType =
-                                      CardColorService.defaultGradientLight;
+                                    GradientType.linear;
                               }
                             dashboardState.editingPrimary = true;
-                            });
                             setPanelState(() {});
                             dashboardState.overlayEntry?.markNeedsBuild();
                           },
@@ -132,18 +128,16 @@ class AccountColorPanel extends StatelessWidget {
                           color: dashboardState.tempSecondary,
                           isDimmed: isSolid,
                           onTap: () {
-                            dashboardState.setState(() {
                             if (isSolid)
                               if (Theme.of(dashboardContext).brightness ==
                                   Brightness.dark) {
                                 dashboardState.tempDarkGradientType =
-                                      CardColorService.defaultGradientDark;
+                                    GradientType.linear;
                               } else {
                                 dashboardState.tempLightGradientType =
-                                      CardColorService.defaultGradientLight;
+                                    GradientType.linear;
                               }
                             dashboardState.editingPrimary = false;
-                            });
                             setPanelState(() {});
                             dashboardState.overlayEntry?.markNeedsBuild();
                           },
@@ -164,7 +158,6 @@ class AccountColorPanel extends StatelessWidget {
                           onTap: isSolid
                               ? null
                               : () {
-                                  dashboardState.setState(() {
                                   if (Theme.of(dashboardContext).brightness ==
                                       Brightness.dark) {
                                     dashboardState.tempDarkGradientType =
@@ -174,7 +167,6 @@ class AccountColorPanel extends StatelessWidget {
                                         GradientType.solid;
                                   }
                                   dashboardState.editingPrimary = true;
-                                  });
                                   setPanelState(() {});
                                   dashboardState.overlayEntry?.markNeedsBuild();
                                 },
@@ -292,10 +284,7 @@ class AccountColorPanel extends StatelessWidget {
                                   children: [
                                     GestureDetector(
                                       onTap: () {
-                                        dashboardState.setState(
-                                          () => dashboardState.editingPrimary =
-                                              true,
-                                        );
+                                        dashboardState.editingPrimary = true;
                                         setPanelState(() {});
                                         dashboardState.overlayEntry
                                             ?.markNeedsBuild();
@@ -350,11 +339,7 @@ class AccountColorPanel extends StatelessWidget {
                                     if (!isSolid)
                                       GestureDetector(
                                         onTap: () {
-                                          dashboardState.setState(
-                                            () =>
-                                                dashboardState.editingPrimary =
-                                                    false,
-                                          );
+                                          dashboardState.editingPrimary = false;
                                           setPanelState(() {});
                                           dashboardState.overlayEntry
                                               ?.markNeedsBuild();
@@ -420,12 +405,7 @@ class AccountColorPanel extends StatelessWidget {
                   ),
                 ),
                 SizedBox(height: layout.controlSpacing),
-                IgnorePointer(
-                  ignoring: isSolid,
-                  child: AnimatedOpacity(
-                    duration: const Duration(milliseconds: 200),
-                    opacity: isSolid ? 0.3 : 1.0,
-                    child: Row(
+                Row(
                   children: GradientType.values
                           .where((t) => t != GradientType.solid)
                           .map((type) {
@@ -452,8 +432,6 @@ class AccountColorPanel extends StatelessWidget {
                                 padding: const EdgeInsets.only(right: 6),
                                 child: GestureDetector(
                                   onTap: () {
-                                    dashboardState.setState(
-                                      () {
                                     if (Theme.of(dashboardContext)
                                             .brightness ==
                                         Brightness.dark) {
@@ -463,8 +441,6 @@ class AccountColorPanel extends StatelessWidget {
                                       dashboardState.tempLightGradientType =
                                           type;
                                     }
-                                      },
-                                    );
                                     setPanelState(() {});
                                     dashboardState.overlayEntry
                                         ?.markNeedsBuild();
@@ -529,8 +505,6 @@ class AccountColorPanel extends StatelessWidget {
                       })
                       .toList(),
                 ),
-                  ),
-                ),
                 SizedBox(height: layout.controlSpacing),
                 Row(
                   children: [
@@ -546,7 +520,6 @@ class AccountColorPanel extends StatelessWidget {
                           final defS = isDarkTheme
                               ? CardColorService.defaultSecondary
                               : CardColorService.defaultSecondaryLight;
-                          dashboardState.setState(() {
                           dashboardState.tempPrimary = defP;
                           dashboardState.tempSecondary = defS;
                           dashboardState.tempPrimaryHSV = HSVColor.fromColor(
@@ -558,7 +531,6 @@ class AccountColorPanel extends StatelessWidget {
                               CardColorService.defaultGradientLight;
                           dashboardState.tempDarkGradientType =
                               CardColorService.defaultGradientDark;
-                          });
                           setPanelState(() {});
                           dashboardState.overlayEntry?.markNeedsBuild();
                         },

lib/features/dashboard/widgets/balance_card.dart

@@ -29,7 +29,7 @@ String _smartBalance(double amount, AmountFormat fmt, String symbol) {
   return symbol.isEmpty ? formatted : '$symbol$formatted';
 }
 
-class BalanceCard extends ConsumerStatefulWidget {
+class BalanceCard extends StatefulWidget {
   final double balance;
   final CurrencyInfo currencyInfo;
   final VoidCallback? onLongPress;
@@ -56,10 +56,10 @@ class BalanceCard extends ConsumerStatefulWidget {
   });
 
   @override
-  ConsumerState<BalanceCard> createState() => BalanceCardState();
+  State<BalanceCard> createState() => BalanceCardState();
 }
 
-class BalanceCardState extends ConsumerState<BalanceCard>
+class BalanceCardState extends State<BalanceCard>
     with SingleTickerProviderStateMixin {
   late final AnimationController _controller;
   double _tiltX = 0.0, _tiltY = 0.0;
@@ -92,6 +92,8 @@ class BalanceCardState extends ConsumerState<BalanceCard>
 
   @override
   Widget build(BuildContext context) {
+    return Consumer(
+      builder: (context, ref, _) {
     final s = ref.watch(stringsProvider);
     final rates = ref.read(exchangeRateServiceProvider);
     final fmt = ref.watch(amountFormatProvider);
@@ -357,5 +359,7 @@ class BalanceCardState extends ConsumerState<BalanceCard>
         },
       ),
     );
+      },
+    );
   }
 }

lib/features/dashboard/widgets/color_editor_overlay.dart

@@ -186,8 +186,6 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
           );
 
           void onHSVChanged(HSVColor hsv) {
-            setPanelState(() {});
-            dash.setState(() {
             if (dash.editingPrimary) {
               dash.tempPrimaryHSV = hsv;
               dash.tempPrimary = hsv.toColor();
@@ -195,7 +193,7 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
               dash.tempSecondaryHSV = hsv;
               dash.tempSecondary = hsv.toColor();
             }
-            });
+            setPanelState(() {});
             dash.overlayEntry?.markNeedsBuild();
           }
 
@@ -233,19 +231,17 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
                               : dash.tempPrimary,
                           isDimmed: isSolid,
                           onTap: () {
-                            dash.setState(() {
                             if (isSolid) {
                               if (Theme.of(widget.context).brightness ==
                                   Brightness.dark) {
                                 dash.tempDarkGradientType =
-                                      CardColorService.defaultGradientDark;
+                                    GradientType.linear;
                               } else {
                                 dash.tempLightGradientType =
-                                      CardColorService.defaultGradientLight;
+                                    GradientType.linear;
                               }
                             }
                             dash.editingPrimary = true;
-                            });
                             setPanelState(() {});
                             dash.overlayEntry?.markNeedsBuild();
                           },
@@ -259,19 +255,17 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
                           color: dash.tempSecondary,
                           isDimmed: isSolid,
                           onTap: () {
-                            dash.setState(() {
                             if (isSolid) {
                               if (Theme.of(widget.context).brightness ==
                                   Brightness.dark) {
                                 dash.tempDarkGradientType =
-                                      CardColorService.defaultGradientDark;
+                                    GradientType.linear;
                               } else {
                                 dash.tempLightGradientType =
-                                      CardColorService.defaultGradientLight;
+                                    GradientType.linear;
                               }
                             }
                             dash.editingPrimary = false;
-                            });
                             setPanelState(() {});
                             dash.overlayEntry?.markNeedsBuild();
                           },
@@ -291,7 +285,6 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
                         onTap: isSolid
                             ? null
                             : () {
-                                dash.setState(() {
                                 if (Theme.of(widget.context).brightness ==
                                     Brightness.dark) {
                                   dash.tempDarkGradientType =
@@ -301,7 +294,6 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
                                       GradientType.solid;
                                 }
                                 dash.editingPrimary = true;
-                                });
                                 setPanelState(() {});
                                 dash.overlayEntry?.markNeedsBuild();
                               },
@@ -418,9 +410,7 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
                                   children: [
                                     GestureDetector(
                                       onTap: () {
-                                        dash.setState(
-                                          () => dash.editingPrimary = true,
-                                        );
+                                        dash.editingPrimary = true;
                                         setPanelState(() {});
                                         dash.overlayEntry?.markNeedsBuild();
                                       },
@@ -471,9 +461,7 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
                                     if (!isSolid)
                                       GestureDetector(
                                         onTap: () {
-                                          dash.setState(
-                                            () => dash.editingPrimary = false,
-                                          );
+                                          dash.editingPrimary = false;
                                           setPanelState(() {});
                                           dash.overlayEntry?.markNeedsBuild();
                                         },
@@ -532,12 +520,7 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
                   ),
                 ),
                 SizedBox(height: layout.controlSpacing),
-                IgnorePointer(
-                  ignoring: isSolid,
-                  child: AnimatedOpacity(
-                    duration: const Duration(milliseconds: 200),
-                    opacity: isSolid ? 0.3 : 1.0,
-                    child: Row(
+                Row(
                   children: GradientType.values
                           .where((t) => t != GradientType.solid)
                           .map((type) {
@@ -564,14 +547,12 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
                                 padding: const EdgeInsets.only(right: 6),
                                 child: GestureDetector(
                                   onTap: () {
-                                    dash.setState(() {
                                     if (Theme.of(widget.context).brightness ==
                                         Brightness.dark) {
                                       dash.tempDarkGradientType = type;
                                     } else {
                                       dash.tempLightGradientType = type;
                                     }
-                                    });
                                     setPanelState(() {});
                                     dash.overlayEntry?.markNeedsBuild();
                                   },
@@ -635,8 +616,6 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
                       })
                       .toList(),
                 ),
-                  ),
-                ),
                 SizedBox(height: layout.controlSpacing),
                 Row(
                   children: [
@@ -652,7 +631,6 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
                           final defS = isDarkTheme
                               ? CardColorService.defaultSecondary
                               : CardColorService.defaultSecondaryLight;
-                          dash.setState(() {
                           dash.tempPrimary = defP;
                           dash.tempSecondary = defS;
                           dash.tempPrimaryHSV = HSVColor.fromColor(defP);
@@ -661,7 +639,6 @@ class _FullScreenBlurOverlayState extends State<FullScreenBlurOverlay> {
                               CardColorService.defaultGradientLight;
                           dash.tempDarkGradientType =
                               CardColorService.defaultGradientDark;
-                          });
                           setPanelState(() {});
                           dash.overlayEntry?.markNeedsBuild();
                         },

lib/features/dashboard/widgets/filter_chips.dart

@@ -94,7 +94,7 @@ class _FilterChip extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final chipColor = color ?? AppColors.accent;
+    final chipColor = color ?? const Color(0xFF7C6DED);
     final isDark = Theme.of(context).brightness == Brightness.dark;
 
     return GestureDetector(

lib/features/dashboard/widgets/search_bar.dart

@@ -52,7 +52,7 @@ class SearchBar extends StatelessWidget {
         ),
         focusedBorder: OutlineInputBorder(
           borderRadius: BorderRadius.circular(12),
-          borderSide: const BorderSide(color: Color(0xFF7C6DED), width: 1.5),
+          borderSide: BorderSide(color: const Color(0xFF7C6DED), width: 1.5),
         ),
         border: OutlineInputBorder(
           borderRadius: BorderRadius.circular(12),

lib/features/dashboard/widgets/transaction_tile.dart

@@ -471,7 +471,7 @@ class _TransferChip extends StatelessWidget {
               label,
               style: const TextStyle(
                 fontSize: 11,
-                color: Color(0xFF7C6DED),
+                color: const Color(0xFF7C6DED),
                 fontWeight: FontWeight.w500,
               ),
               overflow: TextOverflow.ellipsis,

lib/features/onboarding/provider.dart

@@ -0,0 +1,18 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../shared/providers/onboarding_provider.dart';
+
+class OnboardingNotifier extends Notifier<int> {
+  @override
+  int build() => 0;
+
+  void setPage(int page) => state = page;
+
+  Future<void> complete() async {
+    final service = ref.read(onboardingServiceProvider);
+    await service.completeOnboarding();
+  }
+}
+
+final onboardingProvider = NotifierProvider<OnboardingNotifier, int>(
+  OnboardingNotifier.new,
+);

lib/features/onboarding/screen.dart

@@ -0,0 +1,164 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../../core/l10n/locale_provider.dart';
+import '../../core/services/haptic_service.dart';
+import 'provider.dart';
+import 'widgets/fade_slide_in.dart';
+import 'widgets/onboarding_page.dart';
+import 'widgets/onboarding_page_indicator.dart';
+
+class OnboardingScreen extends ConsumerStatefulWidget {
+  const OnboardingScreen({super.key});
+
+  @override
+  ConsumerState<OnboardingScreen> createState() => _OnboardingScreenState();
+}
+
+class _OnboardingScreenState extends ConsumerState<OnboardingScreen> {
+  final _controller = PageController();
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  void _onPageChanged(int page) {
+    ref.read(onboardingProvider.notifier).setPage(page);
+    HapticService.light();
+    if (page == 4) {
+      HapticService.medium();
+      ref.read(onboardingProvider.notifier).complete();
+      Future.delayed(const Duration(milliseconds: 150), () {
+        if (mounted) context.go('/dashboard');
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final s = ref.watch(stringsProvider);
+    final currentPage = ref.watch(onboardingProvider);
+
+    return Scaffold(
+      body: SafeArea(
+        child: Column(
+          children: [
+            Expanded(
+              child: PageView(
+                controller: _controller,
+                onPageChanged: _onPageChanged,
+                children: [
+                  OnboardingPage.welcome(
+                    welcomeText: s.onboardingWelcome,
+                    isActive: currentPage == 0,
+                  ),
+                  OnboardingPage.content(
+                    icon: Icons.currency_exchange_rounded,
+                    headline: s.onboardingMultiCurrencyTitle,
+                    description: s.onboardingMultiCurrencyBody,
+                    isActive: currentPage == 1,
+                  ),
+                  OnboardingPage.content(
+                    icon: Icons.credit_card_rounded,
+                    headline: s.onboardingCardsTitle,
+                    description: s.onboardingCardsBody,
+                    isActive: currentPage == 2,
+                  ),
+                  _ReadyPage(isActive: currentPage == 3),
+                  const SizedBox.shrink(),
+                ],
+              ),
+            ),
+            Padding(
+              padding: const EdgeInsets.only(bottom: 48),
+              child: OnboardingPageIndicator(
+                current: currentPage,
+                count: 5,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _ReadyPage extends ConsumerWidget {
+  final bool isActive;
+
+  const _ReadyPage({required this.isActive});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final s = ref.watch(stringsProvider);
+    final colorScheme = Theme.of(context).colorScheme;
+
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 32),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            FadeSlideIn(
+              active: isActive,
+              child: Icon(
+                Icons.waving_hand_rounded,
+                size: 72,
+                color: colorScheme.primary,
+              ),
+            ),
+            const SizedBox(height: 28),
+            FadeSlideIn(
+              active: isActive,
+              delay: const Duration(milliseconds: 150),
+              child: Text(
+                s.onboardingReadyTitle,
+                textAlign: TextAlign.center,
+                style: Theme.of(context).textTheme.headlineMedium?.copyWith(
+                      fontWeight: FontWeight.bold,
+                      color: colorScheme.onSurface,
+                    ),
+              ),
+            ),
+            const SizedBox(height: 12),
+            FadeSlideIn(
+              active: isActive,
+              delay: const Duration(milliseconds: 300),
+              child: Text(
+                s.onboardingReadyBody,
+                textAlign: TextAlign.center,
+                style: Theme.of(context).textTheme.bodyLarge?.copyWith(
+                      color: colorScheme.onSurface.withOpacity(0.5),
+                    ),
+              ),
+            ),
+            const SizedBox(height: 24),
+            FadeSlideIn(
+              active: isActive,
+              delay: const Duration(milliseconds: 450),
+              child: Row(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  Text(
+                    s.onboardingSwipeRight,
+                    style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                          color: colorScheme.primary,
+                          fontWeight: FontWeight.w600,
+                        ),
+                  ),
+                  const SizedBox(width: 8),
+                  Icon(
+                    Icons.arrow_forward_rounded,
+                    color: colorScheme.primary,
+                  ),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/features/onboarding/widgets/casha_shimmer_text.dart

@@ -0,0 +1,101 @@
+import 'dart:async';
+import 'dart:math';
+import 'package:flutter/material.dart';
+import 'package:sensors_plus/sensors_plus.dart';
+
+class CashaShimmerText extends StatefulWidget {
+  final String text;
+  final TextStyle? style;
+
+  const CashaShimmerText({
+    required this.text,
+    this.style,
+    super.key,
+  });
+
+  @override
+  State<CashaShimmerText> createState() => _CashaShimmerTextState();
+}
+
+class _CashaShimmerTextState extends State<CashaShimmerText>
+    with SingleTickerProviderStateMixin {
+  late final AnimationController _controller;
+  double _tiltX = 0.0, _tiltY = 0.0;
+  double _targetTiltX = 0.0, _targetTiltY = 0.0;
+  StreamSubscription<AccelerometerEvent>? _sub;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = AnimationController(
+      vsync: this,
+      duration: const Duration(seconds: 5),
+    )..repeat();
+
+    _sub = accelerometerEventStream(
+      samplingPeriod: const Duration(milliseconds: 50),
+    ).listen((e) {
+      _targetTiltY = (e.x / 9.8).clamp(-1.0, 1.0);
+      _targetTiltX = ((e.y / 9.8) - 1.0).clamp(-1.0, 1.0);
+    });
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    _sub?.cancel();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final primary = Theme.of(context).colorScheme.primary;
+    final secondary = Theme.of(context).colorScheme.secondary;
+
+    return AnimatedBuilder(
+      animation: _controller,
+      builder: (context, child) {
+        _tiltX += (_targetTiltX - _tiltX) * 0.15;
+        _tiltY += (_targetTiltY - _tiltY) * 0.15;
+
+        final t = _controller.value;
+        final shimmer = sin(t * 2 * pi) * 0.08;
+
+        final gx = (_tiltY + shimmer).clamp(-1.0, 1.0);
+        final gy = (_tiltX + shimmer * 0.3).clamp(-1.0, 1.0);
+
+        return Transform(
+          alignment: Alignment.center,
+          transform: Matrix4.identity()
+            ..setEntry(3, 2, 0.001)
+            ..rotateX(_tiltX * 0.85)
+            ..rotateY(_tiltY * 0.85),
+          child: ShaderMask(
+            shaderCallback: (bounds) {
+              return LinearGradient(
+                begin: Alignment(gx - 0.8, gy - 0.4),
+                end: Alignment(gx + 0.8, gy + 0.4),
+                colors: [
+                  primary.withOpacity(0.7),
+                  primary,
+                  secondary,
+                  Colors.white,
+                  secondary,
+                  primary,
+                  primary.withOpacity(0.7),
+                ],
+                stops: [0.0, 0.15, 0.35, 0.5, 0.65, 0.85, 1.0],
+              ).createShader(bounds);
+            },
+            blendMode: BlendMode.srcIn,
+            child: child,
+          ),
+        );
+      },
+      child: Text(
+        widget.text,
+        style: widget.style?.copyWith(color: Colors.white),
+      ),
+    );
+  }
+}

lib/features/onboarding/widgets/fade_slide_in.dart

@@ -0,0 +1,78 @@
+import 'package:flutter/material.dart';
+
+class FadeSlideIn extends StatefulWidget {
+  final bool active;
+  final Duration delay;
+  final Duration duration;
+  final Widget child;
+
+  const FadeSlideIn({
+    required this.active,
+    required this.child,
+    this.delay = Duration.zero,
+    this.duration = const Duration(milliseconds: 500),
+    super.key,
+  });
+
+  @override
+  State<FadeSlideIn> createState() => _FadeSlideInState();
+}
+
+class _FadeSlideInState extends State<FadeSlideIn>
+    with SingleTickerProviderStateMixin {
+  late final AnimationController _controller;
+  late final Animation<double> _opacity;
+  late final Animation<Offset> _offset;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = AnimationController(
+      vsync: this,
+      duration: widget.duration,
+    );
+    _opacity = Tween<double>(begin: 0.0, end: 1.0).animate(
+      CurvedAnimation(parent: _controller, curve: Curves.easeOut),
+    );
+    _offset = Tween<Offset>(
+      begin: const Offset(0, 0.15),
+      end: Offset.zero,
+    ).animate(CurvedAnimation(parent: _controller, curve: Curves.easeOut));
+  }
+
+  @override
+  void didUpdateWidget(covariant FadeSlideIn oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    if (widget.active && !oldWidget.active) {
+      _controller.reset();
+      Future.delayed(widget.delay, () {
+        if (mounted) _controller.forward();
+      });
+    } else if (!widget.active && oldWidget.active) {
+      _controller.reset();
+    }
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedBuilder(
+      animation: _controller,
+      builder: (context, child) {
+        return Opacity(
+          opacity: _opacity.value,
+          child: FractionalTranslation(
+            translation: _offset.value,
+            child: child,
+          ),
+        );
+      },
+      child: widget.child,
+    );
+  }
+}

lib/features/onboarding/widgets/onboarding_page.dart

@@ -0,0 +1,113 @@
+import 'package:flutter/material.dart';
+import 'casha_shimmer_text.dart';
+import 'fade_slide_in.dart';
+
+class OnboardingPage extends StatelessWidget {
+  final IconData? icon;
+  final String? headline;
+  final String? description;
+  final String? welcomeText;
+  final bool isWelcomePage;
+  final bool isActive;
+
+  const OnboardingPage.welcome({
+    required this.welcomeText,
+    this.isActive = false,
+    super.key,
+  })  : icon = null,
+        headline = null,
+        description = null,
+        isWelcomePage = true;
+
+  const OnboardingPage.content({
+    required this.icon,
+    required this.headline,
+    required this.description,
+    this.isActive = false,
+    super.key,
+  })  : welcomeText = null,
+        isWelcomePage = false;
+
+  @override
+  Widget build(BuildContext context) {
+    if (isWelcomePage) {
+      final colorScheme = Theme.of(context).colorScheme;
+      return Center(
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Text(
+              welcomeText!,
+              style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                    fontWeight: FontWeight.w300,
+                    color: colorScheme.onSurface.withOpacity(0.4),
+                    letterSpacing: 2,
+                  ),
+            ),
+            const SizedBox(height: 12),
+            CashaShimmerText(
+              text: 'Casha',
+              style: Theme.of(context).textTheme.displayLarge?.copyWith(
+                    fontSize: 72,
+                    fontWeight: FontWeight.w900,
+                    letterSpacing: -1,
+                  ),
+            ),
+          ],
+        ),
+      );
+    }
+
+    final colorScheme = Theme.of(context).colorScheme;
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 32),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            FadeSlideIn(
+              active: isActive,
+              child: Container(
+                padding: const EdgeInsets.all(24),
+                decoration: BoxDecoration(
+                  color: colorScheme.primary.withOpacity(0.12),
+                  shape: BoxShape.circle,
+                ),
+                child: Icon(
+                  icon,
+                  size: 64,
+                  color: colorScheme.primary,
+                ),
+              ),
+            ),
+            const SizedBox(height: 32),
+            FadeSlideIn(
+              active: isActive,
+              delay: const Duration(milliseconds: 150),
+              child: Text(
+                headline!,
+                textAlign: TextAlign.center,
+                style: Theme.of(context).textTheme.headlineSmall?.copyWith(
+                      fontWeight: FontWeight.bold,
+                      color: colorScheme.onSurface,
+                    ),
+              ),
+            ),
+            const SizedBox(height: 12),
+            FadeSlideIn(
+              active: isActive,
+              delay: const Duration(milliseconds: 300),
+              child: Text(
+                description!,
+                textAlign: TextAlign.center,
+                style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                      color: colorScheme.onSurface.withOpacity(0.6),
+                    ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/features/onboarding/widgets/onboarding_page_indicator.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+
+class OnboardingPageIndicator extends StatelessWidget {
+  final int current;
+  final int count;
+
+  const OnboardingPageIndicator({
+    required this.current,
+    required this.count,
+    super.key,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final color = Theme.of(context).colorScheme.primary;
+    final outlineColor = Theme.of(context).colorScheme.secondary;
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: List.generate(count, (i) {
+        final isActive = i == current;
+        final isLast = i == count - 1;
+        return AnimatedContainer(
+          duration: const Duration(milliseconds: 200),
+          margin: const EdgeInsets.symmetric(horizontal: 4),
+          width: isActive ? 24 : 8,
+          height: 8,
+          decoration: BoxDecoration(
+            color: isActive ? color : color.withOpacity(0.3),
+            borderRadius: BorderRadius.circular(4),
+            border: isLast && !isActive
+                ? Border.all(color: outlineColor, width: 1.5)
+                : null,
+          ),
+        );
+      }),
+    );
+  }
+}

lib/features/settings/categories/category_editor_sheet.dart

@@ -334,7 +334,7 @@ class _CategoryEditorSheetState extends ConsumerState<CategoryEditorSheet> {
                   child: FilledButton(
                     onPressed: _saving ? null : _save,
                     style: FilledButton.styleFrom(
-                      backgroundColor: AppColors.accent,
+                      backgroundColor: const Color(0xFF7C6DED),
                       padding: const EdgeInsets.symmetric(vertical: 16),
                       shape: RoundedRectangleBorder(
                         borderRadius: BorderRadius.circular(14),
@@ -576,7 +576,7 @@ class _TranslatableField extends StatelessWidget {
         child: TextButton(
           onPressed: onApply,
           style: TextButton.styleFrom(
-            foregroundColor: AppColors.accent,
+            foregroundColor: const Color(0xFF7C6DED),
             padding: const EdgeInsets.symmetric(horizontal: 10),
             minimumSize: const Size(0, 36),
             tapTargetSize: MaterialTapTargetSize.shrinkWrap,
@@ -592,7 +592,7 @@ class _TranslatableField extends StatelessWidget {
       return IconButton(
         onPressed: onTranslate,
         icon: const Icon(Icons.translate_rounded, size: 20),
-        color: AppColors.accent,
+        color: const Color(0xFF7C6DED),
         tooltip: '',
       );
     }

lib/features/settings/categories/category_manager_screen.dart

@@ -68,7 +68,7 @@ class CategoryManagerScreen extends ConsumerWidget {
           HapticService.medium();
           showCategoryEditor(context);
         },
-        backgroundColor: AppColors.accent,
+        backgroundColor: const Color(0xFF7C6DED),
         foregroundColor: Colors.white,
         icon: const Icon(Icons.add),
         label: Text(

lib/features/settings/screen.dart

@@ -5,7 +5,6 @@ import '../../core/l10n/locale_provider.dart';
 import '../../core/services/biometric_service.dart';
 import '../../core/services/haptic_service.dart';
 import '../dashboard/provider.dart';
-import 'provider.dart';
 import 'widgets/theme_section.dart';
 import 'widgets/card_text_color_section.dart';
 import 'widgets/haptic_section.dart';
@@ -14,7 +13,7 @@ import 'widgets/language_section.dart';
 import 'widgets/currency_section.dart';
 import 'widgets/amount_format_section.dart';
 import 'widgets/categories_section.dart';
-import 'widgets/premium_section.dart';
+import '../../shared/widgets/pro_subscription_card.dart';
 
 class SettingsScreen extends ConsumerWidget {
   const SettingsScreen({super.key});
@@ -117,23 +116,24 @@ class SettingsScreen extends ConsumerWidget {
           physics: const ClampingScrollPhysics(),
           padding: const EdgeInsets.fromLTRB(20, 16, 20, 40),
           children: [
-            const PremiumSection(),
-            const SizedBox(height: 16),
-            const ThemeSection(),
-            const SizedBox(height: 16),
-            const CardTextColorSection(),
-            const SizedBox(height: 16),
-            const HapticSection(),
-            const SizedBox(height: 16),
-            const CurrencyConversionsSection(),
-            const SizedBox(height: 16),
-            const _BiometricSection(),
-            const LanguageSection(),
-            const SizedBox(height: 16),
+            const ProSubscriptionCard(),
+            const SizedBox(height: 12),
             const CurrencySection(),
-            const SizedBox(height: 16),
+            const SizedBox(height: 12),
+            const ThemeSection(),
+            const SizedBox(height: 12),
+            const LanguageSection(),
+            const SizedBox(height: 12),
+            const _BiometricSection(),
+            const SizedBox(height: 12),
+            const CardTextColorSection(),
+            const SizedBox(height: 12),
+            const HapticSection(),
+            const SizedBox(height: 12),
             const AmountFormatSection(),
-            const SizedBox(height: 16),
+            const SizedBox(height: 12),
+            const CurrencyConversionsSection(),
+            const SizedBox(height: 12),
             const CategoriesSection(),
             const SizedBox(height: 24),
             Text(
@@ -283,12 +283,12 @@ class _BiometricSectionState extends ConsumerState<_BiometricSection> {
                 Container(
                   padding: const EdgeInsets.all(10),
                   decoration: BoxDecoration(
-                    color: AppColors.accent.withOpacity(0.15),
+                    color: const Color(0xFF7C6DED).withOpacity(0.15),
                     borderRadius: BorderRadius.circular(12),
                   ),
                   child: const Icon(
                     Icons.fingerprint,
-                    color: AppColors.accent,
+                    color: const Color(0xFF7C6DED),
                     size: 20,
                   ),
                 ),

lib/features/settings/widgets/amount_format_section.dart

@@ -33,12 +33,12 @@ class AmountFormatSection extends ConsumerWidget {
               Container(
                 padding: const EdgeInsets.all(10),
                 decoration: BoxDecoration(
-                  color: AppColors.accent.withOpacity(0.15),
+                  color: const Color(0xFF7C6DED).withOpacity(0.15),
                   borderRadius: BorderRadius.circular(12),
                 ),
                 child: const Icon(
                   Icons.format_list_numbered_rounded,
-                  color: AppColors.accent,
+                  color: const Color(0xFF7C6DED),
                   size: 20,
                 ),
               ),
@@ -69,11 +69,11 @@ class AmountFormatSection extends ConsumerWidget {
                   ),
                   decoration: BoxDecoration(
                     color: isSelected
-                        ? AppColors.accent.withOpacity(0.2)
+                        ? const Color(0xFF7C6DED).withOpacity(0.2)
                         : Theme.of(context).scaffoldBackgroundColor,
                     borderRadius: BorderRadius.circular(12),
                     border: isSelected
-                        ? Border.all(color: AppColors.accent, width: 1.5)
+                        ? Border.all(color: const Color(0xFF7C6DED), width: 1.5)
                         : (isDark
                               ? null
                               : Border.all(
@@ -88,7 +88,7 @@ class AmountFormatSection extends ConsumerWidget {
                         format.label,
                         style: TextStyle(
                           color: isSelected
-                              ? AppColors.accent
+                              ? const Color(0xFF7C6DED)
                               : Theme.of(context).colorScheme.onSurface,
                           fontWeight: isSelected
                               ? FontWeight.w600

lib/features/settings/widgets/card_text_color_section.dart

@@ -14,7 +14,7 @@ class CardTextColorSection extends ConsumerWidget {
     final isDark = Theme.of(context).brightness == Brightness.dark;
 
     return Container(
-      padding: const EdgeInsets.all(20),
+      padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
       decoration: BoxDecoration(
         color: Theme.of(context).colorScheme.surface,
         borderRadius: BorderRadius.circular(16),
@@ -30,12 +30,12 @@ class CardTextColorSection extends ConsumerWidget {
               Container(
                 padding: const EdgeInsets.all(10),
                 decoration: BoxDecoration(
-                  color: AppColors.accent.withOpacity(0.15),
+                  color: const Color(0xFF7C6DED).withOpacity(0.15),
                   borderRadius: BorderRadius.circular(12),
                 ),
                 child: const Icon(
                   Icons.text_fields_rounded,
-                  color: AppColors.accent,
+                  color: const Color(0xFF7C6DED),
                   size: 20,
                 ),
               ),
@@ -49,7 +49,7 @@ class CardTextColorSection extends ConsumerWidget {
               ),
             ],
           ),
-          const SizedBox(height: 16),
+          const SizedBox(height: 12),
           Row(
             children: [
               Expanded(
@@ -113,17 +113,17 @@ class _CardTextColorOption extends StatelessWidget {
       onTap: onTap,
       child: AnimatedContainer(
         duration: const Duration(milliseconds: 200),
-        padding: const EdgeInsets.symmetric(vertical: 12),
+        padding: const EdgeInsets.symmetric(vertical: 10),
         decoration: BoxDecoration(
           color: isSelected
-              ? AppColors.accent.withOpacity(0.15)
+              ? const Color(0xFF7C6DED).withOpacity(0.15)
               : (isDark
                     ? Colors.white.withOpacity(0.05)
                     : Colors.black.withOpacity(0.03)),
           borderRadius: BorderRadius.circular(12),
           border: Border.all(
             color: isSelected
-                ? AppColors.accent
+                ? const Color(0xFF7C6DED)
                 : (isDark
                       ? Colors.white.withOpacity(0.1)
                       : Colors.black.withOpacity(0.08)),
@@ -136,7 +136,7 @@ class _CardTextColorOption extends StatelessWidget {
             Icon(
               icon,
               color: isSelected
-                  ? AppColors.accent
+                  ? const Color(0xFF7C6DED)
                   : Theme.of(context).colorScheme.onSurface.withOpacity(0.5),
               size: 22,
             ),
@@ -147,7 +147,7 @@ class _CardTextColorOption extends StatelessWidget {
                 fontSize: 11,
                 fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
                 color: isSelected
-                    ? AppColors.accent
+                    ? const Color(0xFF7C6DED)
                     : Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
               ),
               textAlign: TextAlign.center,

lib/features/settings/widgets/categories_section.dart

@@ -33,12 +33,12 @@ class CategoriesSection extends ConsumerWidget {
             Container(
               padding: const EdgeInsets.all(10),
               decoration: BoxDecoration(
-                color: AppColors.accent.withOpacity(0.15),
+                color: const Color(0xFF7C6DED).withOpacity(0.15),
                 borderRadius: BorderRadius.circular(12),
               ),
               child: const Icon(
                 Icons.category_rounded,
-                color: AppColors.accent,
+                color: const Color(0xFF7C6DED),
                 size: 20,
               ),
             ),

lib/features/settings/widgets/currency_conversions_section.dart

@@ -27,12 +27,12 @@ class CurrencyConversionsSection extends ConsumerWidget {
           Container(
             padding: const EdgeInsets.all(10),
             decoration: BoxDecoration(
-              color: AppColors.accent.withOpacity(0.15),
+              color: const Color(0xFF7C6DED).withOpacity(0.15),
               borderRadius: BorderRadius.circular(12),
             ),
             child: const Icon(
               Icons.currency_exchange_rounded,
-              color: AppColors.accent,
+              color: const Color(0xFF7C6DED),
               size: 20,
             ),
           ),

lib/features/settings/widgets/currency_section.dart

@@ -15,7 +15,7 @@ class CurrencySection extends ConsumerWidget {
     final isDark = Theme.of(context).brightness == Brightness.dark;
 
     return Container(
-      padding: const EdgeInsets.all(20),
+      padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
       decoration: BoxDecoration(
         color: Theme.of(context).colorScheme.surface,
         borderRadius: BorderRadius.circular(16),
@@ -31,12 +31,12 @@ class CurrencySection extends ConsumerWidget {
               Container(
                 padding: const EdgeInsets.all(10),
                 decoration: BoxDecoration(
-                  color: AppColors.accent.withOpacity(0.15),
+                  color: const Color(0xFF7C6DED).withOpacity(0.15),
                   borderRadius: BorderRadius.circular(12),
                 ),
                 child: const Icon(
                   Icons.attach_money_rounded,
-                  color: AppColors.accent,
+                  color: const Color(0xFF7C6DED),
                   size: 20,
                 ),
               ),
@@ -52,7 +52,7 @@ class CurrencySection extends ConsumerWidget {
               ),
             ],
           ),
-          const SizedBox(height: 16),
+          const SizedBox(height: 12),
           Row(
             children: ['USD', 'EUR', 'BYN', 'RUB'].map((code) {
               final info = currencyMap[code]!;
@@ -65,14 +65,14 @@ class CurrencySection extends ConsumerWidget {
                       ref.read(currencyProvider.notifier).setCurrency(code);
                     },
                     child: Container(
-                      padding: const EdgeInsets.symmetric(vertical: 12),
+                      padding: const EdgeInsets.symmetric(vertical: 10),
                       decoration: BoxDecoration(
                         color: isSelected
-                            ? AppColors.accent.withOpacity(0.2)
+                            ? const Color(0xFF7C6DED).withOpacity(0.2)
                             : Theme.of(context).scaffoldBackgroundColor,
                         borderRadius: BorderRadius.circular(12),
                         border: isSelected
-                            ? Border.all(color: AppColors.accent, width: 1.5)
+                            ? Border.all(color: const Color(0xFF7C6DED), width: 1.5)
                             : (isDark
                                   ? null
                                   : Border.all(
@@ -83,19 +83,25 @@ class CurrencySection extends ConsumerWidget {
                       child: Column(
                         children: [
                           code == 'BYN'
-                              ? BynSign(
-                                  fontSize: 28,
+                              ? SizedBox(
+                                  height: 28,
+                                  child: Align(
+                                    alignment: Alignment.center,
+                                    child: BynSign(
+                                      fontSize: 24,
                                       color: isSelected
-                                      ? AppColors.accent
+                                          ? const Color(0xFF7C6DED)
                                           : Theme.of(context).colorScheme.onSurface
                                                 .withOpacity(0.6),
+                                    ),
+                                  ),
                                 )
                               : Text(
                                   info.symbol,
                                   style: Theme.of(context).textTheme.titleLarge
                                       ?.copyWith(
                                         color: isSelected
-                                            ? AppColors.accent
+                                            ? const Color(0xFF7C6DED)
                                             : Theme.of(context)
                                                   .colorScheme
                                                   .onSurface
@@ -111,7 +117,7 @@ class CurrencySection extends ConsumerWidget {
                             style: Theme.of(context).textTheme.bodySmall
                                 ?.copyWith(
                                   color: isSelected
-                                      ? AppColors.accent
+                                      ? const Color(0xFF7C6DED)
                                       : Theme.of(context).colorScheme.onSurface
                                             .withOpacity(0.6),
                                   fontWeight: isSelected

lib/features/settings/widgets/haptic_section.dart

@@ -25,12 +25,12 @@ class HapticSection extends ConsumerWidget {
           Container(
             padding: const EdgeInsets.all(10),
             decoration: BoxDecoration(
-              color: AppColors.accent.withOpacity(0.15),
+              color: const Color(0xFF7C6DED).withOpacity(0.15),
               borderRadius: BorderRadius.circular(12),
             ),
             child: const Icon(
               Icons.vibration_rounded,
-              color: AppColors.accent,
+              color: const Color(0xFF7C6DED),
               size: 20,
             ),
           ),

lib/features/settings/widgets/language_section.dart

@@ -28,12 +28,12 @@ class LanguageSection extends ConsumerWidget {
               Container(
                 padding: const EdgeInsets.all(10),
                 decoration: BoxDecoration(
-                  color: AppColors.accent.withOpacity(0.15),
+                  color: const Color(0xFF7C6DED).withOpacity(0.15),
                   borderRadius: BorderRadius.circular(12),
                 ),
                 child: const Icon(
                   Icons.language_rounded,
-                  color: AppColors.accent,
+                  color: const Color(0xFF7C6DED),
                   size: 20,
                 ),
               ),
@@ -59,11 +59,11 @@ class LanguageSection extends ConsumerWidget {
                     padding: const EdgeInsets.symmetric(vertical: 12),
                     decoration: BoxDecoration(
                       color: currentLocale == AppLocale.en
-                          ? AppColors.accent.withOpacity(0.2)
+                          ? const Color(0xFF7C6DED).withOpacity(0.2)
                           : Theme.of(context).scaffoldBackgroundColor,
                       borderRadius: BorderRadius.circular(12),
                       border: currentLocale == AppLocale.en
-                          ? Border.all(color: AppColors.accent, width: 1.5)
+                          ? Border.all(color: const Color(0xFF7C6DED), width: 1.5)
                           : (isDark ? null : Border.all(color: const Color(0xFFDDDDEE), width: 1)),
                     ),
                     child: Text(
@@ -71,7 +71,7 @@ class LanguageSection extends ConsumerWidget {
                       textAlign: TextAlign.center,
                       style: TextStyle(
                         color: currentLocale == AppLocale.en
-                            ? AppColors.accent
+                            ? const Color(0xFF7C6DED)
                             : Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
                         fontWeight: currentLocale == AppLocale.en ? FontWeight.w600 : FontWeight.normal,
                       ),
@@ -87,11 +87,11 @@ class LanguageSection extends ConsumerWidget {
                     padding: const EdgeInsets.symmetric(vertical: 12),
                     decoration: BoxDecoration(
                       color: currentLocale == AppLocale.ru
-                          ? AppColors.accent.withOpacity(0.2)
+                          ? const Color(0xFF7C6DED).withOpacity(0.2)
                           : Theme.of(context).scaffoldBackgroundColor,
                       borderRadius: BorderRadius.circular(12),
                       border: currentLocale == AppLocale.ru
-                          ? Border.all(color: AppColors.accent, width: 1.5)
+                          ? Border.all(color: const Color(0xFF7C6DED), width: 1.5)
                           : (isDark ? null : Border.all(color: const Color(0xFFDDDDEE), width: 1)),
                     ),
                     child: Text(
@@ -99,7 +99,7 @@ class LanguageSection extends ConsumerWidget {
                       textAlign: TextAlign.center,
                       style: TextStyle(
                         color: currentLocale == AppLocale.ru
-                            ? AppColors.accent
+                            ? const Color(0xFF7C6DED)
                             : Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
                         fontWeight: currentLocale == AppLocale.ru ? FontWeight.w600 : FontWeight.normal,
                       ),

lib/features/settings/widgets/premium_section.dart

@@ -2,9 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import '../../../core/constants.dart';
 import '../../../core/l10n/locale_provider.dart';
-import '../../../core/services/haptic_service.dart';
 import '../../../shared/providers/current_user_provider.dart';
-import '../../../shared/models/user_model.dart';
 
 class PremiumSection extends ConsumerWidget {
   const PremiumSection({super.key});
@@ -32,13 +30,13 @@ class PremiumSection extends ConsumerWidget {
               Container(
                 padding: const EdgeInsets.all(10),
                 decoration: BoxDecoration(
-                  color: (user.isVip ? AppColors.accent : AppColors.warning)
+                  color: (user.isVip ? const Color(0xFF7C6DED) : AppColors.warning)
                       .withOpacity(0.15),
                   borderRadius: BorderRadius.circular(12),
                 ),
                 child: Icon(
                   user.isVip ? Icons.workspace_premium_rounded : Icons.lock_outline_rounded,
-                  color: user.isVip ? AppColors.accent : AppColors.warning,
+                  color: user.isVip ? const Color(0xFF7C6DED) : AppColors.warning,
                   size: 20,
                 ),
               ),
@@ -66,16 +64,6 @@ class PremiumSection extends ConsumerWidget {
                   ],
                 ),
               ),
-              Switch(
-                value: user.isVip,
-                onChanged: (value) async {
-                  HapticService.light();
-                  await ref.read(currentUserProvider.notifier).setPlan(
-                        value ? UserPlan.vip : UserPlan.free,
-                      );
-                },
-                activeThumbColor: const Color(0xFF7C6DED),
-              ),
             ],
           ),
         ],

lib/features/settings/widgets/theme_section.dart

@@ -14,7 +14,7 @@ class ThemeSection extends ConsumerWidget {
     final isDark = Theme.of(context).brightness == Brightness.dark;
 
     return Container(
-      padding: const EdgeInsets.all(20),
+      padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
       decoration: BoxDecoration(
         color: Theme.of(context).colorScheme.surface,
         borderRadius: BorderRadius.circular(16),
@@ -28,7 +28,7 @@ class ThemeSection extends ConsumerWidget {
               Container(
                 padding: const EdgeInsets.all(10),
                 decoration: BoxDecoration(
-                  color: AppColors.accent.withOpacity(0.15),
+                  color: const Color(0xFF7C6DED).withOpacity(0.15),
                   borderRadius: BorderRadius.circular(12),
                 ),
                 child: Icon(
@@ -37,7 +37,7 @@ class ThemeSection extends ConsumerWidget {
                       : themeMode == ThemeMode.light
                           ? Icons.light_mode_rounded
                           : Icons.brightness_auto_rounded,
-                  color: AppColors.accent,
+                  color: const Color(0xFF7C6DED),
                   size: 20,
                 ),
               ),
@@ -51,7 +51,7 @@ class ThemeSection extends ConsumerWidget {
               ),
             ],
           ),
-          const SizedBox(height: 16),
+          const SizedBox(height: 12),
           Row(
             children: [
               Expanded(
@@ -109,15 +109,15 @@ class _ThemeOption extends StatelessWidget {
       onTap: onTap,
       child: AnimatedContainer(
         duration: const Duration(milliseconds: 200),
-        padding: const EdgeInsets.symmetric(vertical: 12),
+        padding: const EdgeInsets.symmetric(vertical: 10),
         decoration: BoxDecoration(
           color: isSelected
-              ? AppColors.accent.withOpacity(0.15)
+              ? const Color(0xFF7C6DED).withOpacity(0.15)
               : (isDark ? Colors.white.withOpacity(0.05) : Colors.black.withOpacity(0.03)),
           borderRadius: BorderRadius.circular(12),
           border: Border.all(
             color: isSelected
-                ? AppColors.accent
+                ? const Color(0xFF7C6DED)
                 : (isDark ? Colors.white.withOpacity(0.1) : Colors.black.withOpacity(0.08)),
             width: isSelected ? 2 : 1,
           ),
@@ -128,7 +128,7 @@ class _ThemeOption extends StatelessWidget {
             Icon(
               icon,
               color: isSelected
-                  ? AppColors.accent
+                  ? const Color(0xFF7C6DED)
                   : Theme.of(context).colorScheme.onSurface.withOpacity(0.5),
               size: 22,
             ),
@@ -139,7 +139,7 @@ class _ThemeOption extends StatelessWidget {
                 fontSize: 11,
                 fontWeight: isSelected ? FontWeight.w600 : FontWeight.normal,
                 color: isSelected
-                    ? AppColors.accent
+                    ? const Color(0xFF7C6DED)
                     : Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
               ),
               textAlign: TextAlign.center,

lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:intl/date_symbol_data_local.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -6,6 +7,10 @@ import 'app/app.dart';
 import 'core/services/haptic_service.dart';
 import 'data/database/app_database.dart';
 import 'features/dashboard/provider.dart';
+import 'shared/services/onboarding_service.dart';
+import 'shared/services/billing_service.dart';
+import 'shared/services/premium_manager.dart';
+import 'shared/providers/billing_provider.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -17,14 +22,22 @@ void main() async {
 
   final prefs = await SharedPreferences.getInstance();
   await HapticService.init();
+  OnboardingService(prefs);
 
   final database = AppDatabase();
 
+  final billing = kDebugMode
+      ? DebugBillingService(prefs)
+      : PlayBillingService();
+  final premiumManager = PremiumManager(prefs, billing);
+  await premiumManager.autoRestore();
+
   runApp(
     ProviderScope(
       overrides: [
         sharedPreferencesProvider.overrideWithValue(prefs),
         appDatabaseProvider.overrideWithValue(database),
+        billingServiceProvider.overrideWithValue(billing),
       ],
       child: const App(),
     ),

lib/shared/paywall/paywall_screen.dart

@@ -37,7 +37,7 @@ class PaywallScreen extends ConsumerWidget {
                 child: const Icon(
                   Icons.workspace_premium_rounded,
                   size: 64,
-                  color: Color(0xFF7C6DED),
+                  color: const Color(0xFF7C6DED),
                 ),
               ),
               const SizedBox(height: 24),

lib/shared/providers/backup_provider.dart

@@ -0,0 +1,8 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../services/backup_service.dart';
+import 'premium_provider.dart';
+
+final backupServiceProvider = Provider<BackupService>((ref) {
+  final token = ref.watch(purchaseTokenProvider) ?? '';
+  return BackupService(token);
+});

lib/shared/providers/billing_provider.dart

@@ -0,0 +1,12 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../features/dashboard/provider.dart';
+import '../services/billing_service.dart';
+
+final billingServiceProvider = Provider<BillingService>((ref) {
+  if (kDebugMode) {
+    final prefs = ref.watch(sharedPreferencesProvider);
+    return DebugBillingService(prefs);
+  }
+  return PlayBillingService();
+});

lib/shared/providers/category_provider.dart

@@ -107,7 +107,7 @@ class CategoryCatalog {
       byKey(key)?.icon ?? Icons.category_rounded;
 
   Color colorFor(String key, [Color? fallback]) =>
-      byKey(key)?.color ?? fallback ?? AppColors.accent;
+      byKey(key)?.color ?? fallback ?? const Color(0xFF7C6DED);
 
   String labelFor(String key, bool isRu) {
     final cat = byKey(key);
@@ -147,7 +147,7 @@ AppCategory _defaultCategory(String key, TransactionType type) {
     labelEn: key,
     labelRu: AppCategories.ruLabels[key] ?? key,
     icon: categoryIconByName(iconName),
-    color: AppCategories.colors[key] ?? AppColors.accent,
+    color: AppCategories.colors[key] ?? const Color(0xFF7C6DED),
     iconName: iconName,
     isCustom: false,
   );

lib/shared/providers/current_user_provider.dart

@@ -1,29 +1,27 @@
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import '../../features/dashboard/provider.dart';
 import '../models/user_model.dart';
+import '../services/premium_manager.dart';
+import 'billing_provider.dart';
 
 class CurrentUserNotifier extends Notifier<UserModel> {
-  static const _key = 'user_plan';
-
   @override
   UserModel build() {
     final prefs = ref.watch(sharedPreferencesProvider);
-    final planName = prefs.getString(_key);
-    final plan = UserPlan.values.firstWhere(
-      (e) => e.name == planName,
-      orElse: () => UserPlan.free,
-    );
-    return UserModel(plan: plan);
+    final billing = ref.watch(billingServiceProvider);
+    final manager = PremiumManager(prefs, billing);
+    return UserModel(plan: manager.currentPlan);
   }
 
   Future<void> setPlan(UserPlan plan) async {
-    final prefs = ref.read(sharedPreferencesProvider);
     state = UserModel(plan: plan);
-    await prefs.setString(_key, plan.name);
   }
 
-  Future<void> toggleVip() async {
-    await setPlan(state.isVip ? UserPlan.free : UserPlan.vip);
+  Future<void> refreshFromPremium() async {
+    final prefs = ref.read(sharedPreferencesProvider);
+    final billing = ref.read(billingServiceProvider);
+    final manager = PremiumManager(prefs, billing);
+    state = UserModel(plan: manager.currentPlan);
   }
 }
 

lib/shared/providers/google_auth_provider.dart

@@ -0,0 +1,12 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:google_sign_in/google_sign_in.dart';
+import '../services/google_auth_service.dart';
+
+final googleAuthProvider = Provider<GoogleAuthService>((ref) {
+  return GoogleAuthService();
+});
+
+final googleCurrentUserProvider = StreamProvider<GoogleSignInAccount?>((ref) {
+  final service = ref.watch(googleAuthProvider);
+  return service.onCurrentUserChanged;
+});

lib/shared/providers/google_drive_provider.dart

@@ -0,0 +1,18 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:google_sign_in/google_sign_in.dart';
+import '../services/google_drive_service.dart';
+
+final googleDriveServiceProvider = Provider<GoogleDriveService>((ref) {
+  final signIn = GoogleSignIn(
+    scopes: [
+      'email',
+      'https://www.googleapis.com/auth/drive.appdata',
+    ],
+  );
+  return GoogleDriveService(signIn);
+});
+
+final googleDriveUserProvider = StreamProvider<GoogleSignInAccount?>((ref) {
+  final service = ref.watch(googleDriveServiceProvider);
+  return service.onUserChanged;
+});

lib/shared/providers/onboarding_provider.dart

@@ -0,0 +1,8 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../features/dashboard/provider.dart';
+import '../services/onboarding_service.dart';
+
+final onboardingServiceProvider = Provider<OnboardingService>((ref) {
+  final prefs = ref.watch(sharedPreferencesProvider);
+  return OnboardingService(prefs);
+});

lib/shared/providers/premium_provider.dart

@@ -0,0 +1,22 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../features/dashboard/provider.dart';
+import '../models/user_model.dart';
+import '../services/premium_manager.dart';
+import 'billing_provider.dart';
+import 'current_user_provider.dart';
+
+final premiumManagerProvider = Provider<PremiumManager>((ref) {
+  final prefs = ref.watch(sharedPreferencesProvider);
+  final billing = ref.watch(billingServiceProvider);
+  return PremiumManager(prefs, billing);
+});
+
+final isPremiumProvider = Provider<bool>((ref) {
+  final user = ref.watch(currentUserProvider);
+  return user.plan == UserPlan.vip;
+});
+
+final purchaseTokenProvider = Provider<String?>((ref) {
+  final manager = ref.watch(premiumManagerProvider);
+  return manager.purchaseToken;
+});

lib/shared/services/backup_service.dart

@@ -0,0 +1,72 @@
+import 'dart:convert';
+import 'dart:typed_data';
+
+class BackupData {
+  final String ownerPurchaseToken;
+  final DateTime createdAt;
+  final Map<String, dynamic> payload;
+
+  const BackupData({
+    required this.ownerPurchaseToken,
+    required this.createdAt,
+    required this.payload,
+  });
+
+  Map<String, dynamic> toJson() => {
+        'owner_purchase_token': ownerPurchaseToken,
+        'created_at': createdAt.toIso8601String(),
+        'payload': payload,
+      };
+
+  factory BackupData.fromJson(Map<String, dynamic> json) {
+    return BackupData(
+      ownerPurchaseToken: json['owner_purchase_token'] as String? ?? '',
+      createdAt: DateTime.tryParse(json['created_at'] as String? ?? '') ??
+          DateTime.now(),
+      payload: json['payload'] as Map<String, dynamic>? ?? {},
+    );
+  }
+}
+
+enum BackupVerifyResult { ok, tokenMismatch, noToken, invalidFormat }
+
+class BackupService {
+  String _currentPurchaseToken;
+
+  BackupService(this._currentPurchaseToken);
+
+  void updatePurchaseToken(String token) {
+    _currentPurchaseToken = token;
+  }
+
+  String get currentPurchaseToken => _currentPurchaseToken;
+
+  Uint8List createBackup(Map<String, dynamic> payload) {
+    final data = BackupData(
+      ownerPurchaseToken: _currentPurchaseToken,
+      createdAt: DateTime.now(),
+      payload: payload,
+    );
+    final json = jsonEncode(data.toJson());
+    return Uint8List.fromList(utf8.encode(json));
+  }
+
+  (BackupVerifyResult, BackupData?) verifyAndParse(Uint8List raw) {
+    try {
+      final json = jsonDecode(utf8.decode(raw)) as Map<String, dynamic>;
+      final data = BackupData.fromJson(json);
+
+      if (data.ownerPurchaseToken.isEmpty) {
+        return (BackupVerifyResult.noToken, null);
+      }
+
+      if (data.ownerPurchaseToken != _currentPurchaseToken) {
+        return (BackupVerifyResult.tokenMismatch, null);
+      }
+
+      return (BackupVerifyResult.ok, data);
+    } catch (e) {
+      return (BackupVerifyResult.invalidFormat, null);
+    }
+  }
+}

lib/shared/services/billing_service.dart

@@ -0,0 +1,197 @@
+import 'dart:async';
+import 'package:in_app_purchase/in_app_purchase.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class PurchaseResult {
+  final bool success;
+  final String? purchaseToken;
+  final String? error;
+
+  const PurchaseResult({this.success = false, this.purchaseToken, this.error});
+
+  factory PurchaseResult.ok(String token) =>
+      PurchaseResult(success: true, purchaseToken: token);
+
+  factory PurchaseResult.failed([String? error]) =>
+      PurchaseResult(success: false, error: error);
+
+  factory PurchaseResult.cancelled() =>
+      const PurchaseResult(success: false);
+}
+
+abstract class BillingService {
+  static const proProductId = 'casha_pro_lifetime';
+
+  Future<PurchaseResult> purchasePro();
+  Future<PurchaseResult> restorePurchases();
+  Future<PurchaseResult> queryPastPurchase();
+  Future<void> dispose();
+}
+
+class PlayBillingService implements BillingService {
+  final InAppPurchase _inAppPurchase = InAppPurchase.instance;
+
+  @override
+  Future<PurchaseResult> purchasePro() async {
+    final available = await _inAppPurchase.isAvailable();
+    if (!available) {
+      return PurchaseResult.failed('Billing not available');
+    }
+
+    final response = await _inAppPurchase.queryProductDetails(
+      {BillingService.proProductId},
+    );
+    if (response.error != null) {
+      return PurchaseResult.failed(response.error!.message);
+    }
+    if (response.productDetails.isEmpty) {
+      return PurchaseResult.failed('Product not found');
+    }
+
+    final product = response.productDetails.first;
+    return _waitForPurchase(
+      timeout: const Duration(minutes: 2),
+      timeoutError: 'Purchase timed out',
+      start: () async {
+        final started = await _inAppPurchase.buyNonConsumable(
+          purchaseParam: PurchaseParam(productDetails: product),
+        );
+        if (!started) {
+          throw StateError('Could not start purchase');
+        }
+      },
+    );
+  }
+
+  @override
+  Future<PurchaseResult> restorePurchases() async {
+    final available = await _inAppPurchase.isAvailable();
+    if (!available) {
+      return PurchaseResult.failed('Billing not available');
+    }
+
+    return _waitForPurchase(
+      timeout: const Duration(seconds: 30),
+      timeoutError: 'No purchases found',
+      start: _inAppPurchase.restorePurchases,
+    );
+  }
+
+  @override
+  Future<PurchaseResult> queryPastPurchase() => restorePurchases();
+
+  Future<PurchaseResult> _waitForPurchase({
+    required Future<void> Function() start,
+    required Duration timeout,
+    required String timeoutError,
+  }) async {
+    final completer = Completer<PurchaseResult>();
+    var handlingPurchase = false;
+    late final StreamSubscription<List<PurchaseDetails>> subscription;
+    late final Timer timeoutTimer;
+
+    void finish(PurchaseResult result) {
+      if (!completer.isCompleted) {
+        completer.complete(result);
+      }
+    }
+
+    Future<void> handlePurchase(PurchaseDetails purchase) async {
+      if (purchase.productID != BillingService.proProductId) return;
+
+      switch (purchase.status) {
+        case PurchaseStatus.pending:
+          return;
+        case PurchaseStatus.purchased:
+        case PurchaseStatus.restored:
+          if (handlingPurchase) return;
+          handlingPurchase = true;
+          try {
+            final token = purchase.verificationData.serverVerificationData;
+            if (token.isEmpty) {
+              finish(PurchaseResult.failed('Purchase verification data is empty'));
+              return;
+            }
+            if (purchase.pendingCompletePurchase) {
+              await _inAppPurchase.completePurchase(purchase);
+            }
+            finish(PurchaseResult.ok(token));
+          } catch (error) {
+            finish(PurchaseResult.failed(error.toString()));
+          } finally {
+            handlingPurchase = false;
+          }
+        case PurchaseStatus.error:
+          finish(PurchaseResult.failed(purchase.error?.message));
+        case PurchaseStatus.canceled:
+          finish(PurchaseResult.cancelled());
+      }
+    }
+
+    subscription = _inAppPurchase.purchaseStream.listen(
+      (purchases) {
+        for (final purchase in purchases) {
+          unawaited(handlePurchase(purchase));
+        }
+      },
+      onError: (Object error) {
+        finish(PurchaseResult.failed(error.toString()));
+      },
+    );
+    timeoutTimer = Timer(
+      timeout,
+      () => finish(PurchaseResult.failed(timeoutError)),
+    );
+
+    try {
+      await start();
+    } catch (error) {
+      finish(PurchaseResult.failed(error.toString()));
+    }
+
+    final result = await completer.future;
+    timeoutTimer.cancel();
+    await subscription.cancel();
+    return result;
+  }
+
+  @override
+  Future<void> dispose() async {}
+}
+
+class DebugBillingService implements BillingService {
+  static const _key = 'debug_purchase_token';
+  final SharedPreferences _prefs;
+
+  DebugBillingService(this._prefs);
+
+  @override
+  Future<PurchaseResult> purchasePro() async {
+    await Future.delayed(const Duration(seconds: 1));
+    final token = 'debug_token_${DateTime.now().millisecondsSinceEpoch}';
+    await _prefs.setString(_key, token);
+    return PurchaseResult.ok(token);
+  }
+
+  @override
+  Future<PurchaseResult> restorePurchases() async {
+    await Future.delayed(const Duration(seconds: 1));
+    final token = _prefs.getString(_key);
+    if (token != null) {
+      return PurchaseResult.ok(token);
+    }
+    return const PurchaseResult();
+  }
+
+  @override
+  Future<PurchaseResult> queryPastPurchase() async {
+    final token = _prefs.getString(_key);
+    if (token != null) {
+      return PurchaseResult.ok(token);
+    }
+    return const PurchaseResult();
+  }
+
+  @override
+  Future<void> dispose() async {}
+}

lib/shared/services/google_auth_service.dart

@@ -0,0 +1,24 @@
+import 'dart:async';
+import 'package:google_sign_in/google_sign_in.dart';
+
+class GoogleAuthService {
+  final GoogleSignIn _googleSignIn;
+
+  GoogleAuthService() : _googleSignIn = GoogleSignIn(scopes: [
+    'email',
+    'https://www.googleapis.com/auth/drive.appdata',
+  ]);
+
+  GoogleSignInAccount? get currentUser => _googleSignIn.currentUser;
+
+  Stream<GoogleSignInAccount?> get onCurrentUserChanged =>
+      _googleSignIn.onCurrentUserChanged;
+
+  Future<void> signIn() async {
+    await _googleSignIn.signIn();
+  }
+
+  Future<void> signOut() async {
+    await _googleSignIn.signOut();
+  }
+}

lib/shared/services/google_drive_service.dart

@@ -0,0 +1,147 @@
+import 'dart:typed_data';
+import 'package:googleapis/drive/v3.dart' as drive;
+import 'package:google_sign_in/google_sign_in.dart';
+import 'package:extension_google_sign_in_as_googleapis_auth/extension_google_sign_in_as_googleapis_auth.dart';
+
+class DriveBackupResult {
+  final bool success;
+  final String? error;
+  final String? fileId;
+  final DateTime? modifiedTime;
+
+  const DriveBackupResult({this.success = false, this.error, this.fileId, this.modifiedTime});
+
+  factory DriveBackupResult.ok(String fileId, DateTime modifiedTime) =>
+      DriveBackupResult(success: true, fileId: fileId, modifiedTime: modifiedTime);
+
+  factory DriveBackupResult.failed(String error) =>
+      DriveBackupResult(success: false, error: error);
+}
+
+class GoogleDriveService {
+  static const _fileName = 'casha_backup.json';
+  static const _appDataFolder = 'appDataFolder';
+
+  final GoogleSignIn _googleSignIn;
+
+  GoogleDriveService(this._googleSignIn);
+
+  GoogleSignInAccount? get currentUser => _googleSignIn.currentUser;
+  Stream<GoogleSignInAccount?> get onUserChanged => _googleSignIn.onCurrentUserChanged;
+
+  Future<void> signIn() async {
+    await _googleSignIn.signIn();
+  }
+
+  Future<void> signOut() async {
+    await _googleSignIn.signOut();
+  }
+
+  Future<drive.DriveApi?> _getDriveApi() async {
+    if (_googleSignIn.currentUser == null) return null;
+    final httpClient = await _googleSignIn.authenticatedClient();
+    if (httpClient == null) return null;
+    return drive.DriveApi(httpClient);
+  }
+
+  Future<String?> _findExistingFile(drive.DriveApi api) async {
+    final list = await api.files.list(
+      spaces: _appDataFolder,
+      q: "name = '$_fileName' and trashed = false",
+      $fields: 'files(id, name, modifiedTime)',
+    );
+    return list.files?.isNotEmpty == true ? list.files!.first.id : null;
+  }
+
+  Future<DriveBackupResult> uploadBackup(Uint8List data) async {
+    final api = await _getDriveApi();
+    if (api == null) {
+      return DriveBackupResult.failed('Not authenticated');
+    }
+
+    try {
+      final existingId = await _findExistingFile(api);
+
+      final media = drive.Media(
+        Stream<List<int>>.fromIterable([data.toList()]),
+        data.length,
+      );
+
+      if (existingId != null) {
+        final file = drive.File(
+          name: _fileName,
+          modifiedTime: DateTime.now(),
+        );
+        final updated = await api.files.update(
+          file,
+          existingId,
+          uploadMedia: media,
+          $fields: 'id, modifiedTime',
+        );
+        return DriveBackupResult.ok(
+          updated.id!,
+          updated.modifiedTime!,
+        );
+      } else {
+        final file = drive.File(
+          name: _fileName,
+          parents: [_appDataFolder],
+          modifiedTime: DateTime.now(),
+        );
+        final created = await api.files.create(
+          file,
+          uploadMedia: media,
+          $fields: 'id, modifiedTime',
+        );
+        return DriveBackupResult.ok(
+          created.id!,
+          created.modifiedTime!,
+        );
+      }
+    } catch (e) {
+      return DriveBackupResult.failed(e.toString());
+    }
+  }
+
+  Future<Uint8List?> downloadBackup() async {
+    final api = await _getDriveApi();
+    if (api == null) return null;
+
+    try {
+      final fileId = await _findExistingFile(api);
+      if (fileId == null) return null;
+
+      final media = await api.files.get(
+        fileId,
+        downloadOptions: drive.DownloadOptions.fullMedia,
+      ) as drive.Media;
+
+      final bytes = <int>[];
+      await for (final chunk in media.stream) {
+        bytes.addAll(chunk);
+      }
+      return Uint8List.fromList(bytes);
+    } catch (e) {
+      return null;
+    }
+  }
+
+  Future<DateTime?> getLastBackupTime() async {
+    final api = await _getDriveApi();
+    if (api == null) return null;
+
+    try {
+      final list = await api.files.list(
+        spaces: _appDataFolder,
+        q: "name = '$_fileName' and trashed = false",
+        $fields: 'files(id, name, modifiedTime)',
+      );
+      if (list.files?.isNotEmpty == true) {
+        return list.files!.first.modifiedTime;
+      }
+      return null;
+    } catch (e) {
+      return null;
+    }
+  }
+}

lib/shared/services/onboarding_service.dart

@@ -0,0 +1,34 @@
+import 'package:flutter/foundation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class OnboardingService {
+  static const _key = 'onboarding_completed';
+  static bool _shownInSession = false;
+  static SharedPreferences? _staticPrefs;
+
+  final SharedPreferences _prefs;
+
+  OnboardingService(this._prefs) {
+    _staticPrefs = _prefs;
+  }
+
+  static bool get shouldShowOnboarding {
+    if (kDebugMode) {
+      return !_shownInSession;
+    }
+    return !(_staticPrefs?.getBool(_key) ?? false);
+  }
+
+  static void markCompleted() {
+    _shownInSession = true;
+  }
+
+  bool get shouldShowOnboardingInstance => shouldShowOnboarding;
+
+  Future<void> completeOnboarding() async {
+    _shownInSession = true;
+    if (!kDebugMode) {
+      await _prefs.setBool(_key, true);
+    }
+  }
+}

lib/shared/services/premium_manager.dart

@@ -0,0 +1,58 @@
+import 'package:shared_preferences/shared_preferences.dart';
+import '../models/user_model.dart';
+import 'billing_service.dart';
+
+class PremiumManager {
+  static const _keyIsPremium = 'is_premium';
+  static const _keyPurchaseToken = 'purchase_token';
+
+  final SharedPreferences _prefs;
+  final BillingService _billing;
+
+  PremiumManager(this._prefs, this._billing);
+
+  bool get isPremium => _prefs.getBool(_keyIsPremium) ?? false;
+  String? get purchaseToken => _prefs.getString(_keyPurchaseToken);
+
+  Future<void> _setPremium(bool value, String? token) async {
+    await _prefs.setBool(_keyIsPremium, value);
+    if (token != null) {
+      await _prefs.setString(_keyPurchaseToken, token);
+    } else if (!value) {
+      await _prefs.remove(_keyPurchaseToken);
+    }
+  }
+
+  Future<PurchaseResult> purchase() async {
+    if (isPremium) {
+      return PurchaseResult.ok(purchaseToken ?? 'existing');
+    }
+    final result = await _billing.purchasePro();
+    if (result.success && result.purchaseToken != null) {
+      await _setPremium(true, result.purchaseToken);
+    }
+    return result;
+  }
+
+  Future<PurchaseResult> restore() async {
+    final result = await _billing.restorePurchases();
+    if (result.success && result.purchaseToken != null) {
+      await _setPremium(true, result.purchaseToken);
+    }
+    return result;
+  }
+
+  Future<void> autoRestore() async {
+    if (isPremium) return;
+    final result = await _billing.queryPastPurchase();
+    if (result.success && result.purchaseToken != null) {
+      await _setPremium(true, result.purchaseToken);
+    }
+  }
+
+  UserPlan get currentPlan => isPremium ? UserPlan.vip : UserPlan.free;
+
+  Future<void> clear() async {
+    await _setPremium(false, null);
+  }
+}

lib/shared/widgets/backup_screen.dart

@@ -0,0 +1,360 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../../core/l10n/app_strings.dart';
+import '../../core/l10n/locale_provider.dart';
+import '../../core/services/haptic_service.dart';
+import '../providers/backup_provider.dart';
+import '../providers/google_drive_provider.dart';
+import '../providers/premium_provider.dart';
+import 'error_snackbar.dart';
+import '../services/backup_service.dart';
+
+class BackupScreen extends ConsumerStatefulWidget {
+  const BackupScreen({super.key});
+
+  @override
+  ConsumerState<BackupScreen> createState() => _BackupScreenState();
+}
+
+class _BackupScreenState extends ConsumerState<BackupScreen> {
+  bool _backingUp = false;
+  bool _restoring = false;
+  DateTime? _lastBackupTime;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadLastBackupTime();
+  }
+
+  Future<void> _loadLastBackupTime() async {
+    final service = ref.read(googleDriveServiceProvider);
+    final time = await service.getLastBackupTime();
+    if (mounted) {
+      setState(() => _lastBackupTime = time);
+    }
+  }
+
+  Future<void> _handleBackup() async {
+    final s = ref.read(stringsProvider);
+    final driveService = ref.read(googleDriveServiceProvider);
+
+    if (driveService.currentUser == null) {
+      showErrorSnackbar(context, s.backupRequiresSignIn);
+      return;
+    }
+
+    HapticService.light();
+    setState(() => _backingUp = true);
+
+    try {
+      final backupService = ref.read(backupServiceProvider);
+      final payload = <String, dynamic>{
+        'version': 1,
+        'exported_at': DateTime.now().toIso8601String(),
+      };
+      final data = backupService.createBackup(payload);
+      final result = await driveService.uploadBackup(data);
+
+      if (result.success) {
+        setState(() => _lastBackupTime = result.modifiedTime);
+        HapticService.medium();
+        if (mounted) {
+          showSuccessSnackbar(context, s.backupSuccess);
+        }
+      } else {
+        if (mounted) {
+          showErrorSnackbar(context, result.error ?? s.backupRestoreFailed);
+        }
+      }
+    } catch (e) {
+      if (mounted) {
+        showErrorSnackbar(context, e.toString());
+      }
+    } finally {
+      if (mounted) setState(() => _backingUp = false);
+    }
+  }
+
+  Future<void> _handleRestore() async {
+    final s = ref.read(stringsProvider);
+    final driveService = ref.read(googleDriveServiceProvider);
+
+    if (driveService.currentUser == null) {
+      showErrorSnackbar(context, s.backupRequiresSignIn);
+      return;
+    }
+
+    HapticService.light();
+    setState(() => _restoring = true);
+
+    try {
+      final raw = await driveService.downloadBackup();
+      if (raw == null) {
+        if (mounted) {
+          showWarningSnackbar(context, s.backupNoFileFound);
+        }
+        return;
+      }
+
+      final backupService = ref.read(backupServiceProvider);
+      final (result, data) = backupService.verifyAndParse(raw);
+
+      switch (result) {
+        case BackupVerifyResult.ok:
+          HapticService.medium();
+          if (mounted) {
+            showSuccessSnackbar(context, s.backupRestoreSuccess);
+          }
+        case BackupVerifyResult.tokenMismatch:
+          if (mounted) {
+            showErrorSnackbar(context, s.backupTokenMismatch);
+          }
+        case BackupVerifyResult.noToken:
+          if (mounted) {
+            showErrorSnackbar(context, s.backupNoToken);
+          }
+        case BackupVerifyResult.invalidFormat:
+          if (mounted) {
+            showErrorSnackbar(context, s.backupInvalidFormat);
+          }
+      }
+    } catch (e) {
+      if (mounted) {
+        showErrorSnackbar(context, e.toString());
+      }
+    } finally {
+      if (mounted) setState(() => _restoring = false);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final s = ref.watch(stringsProvider);
+    final isPremium = ref.watch(isPremiumProvider);
+    final driveUserAsync = ref.watch(googleDriveUserProvider);
+    final driveUser = driveUserAsync.value;
+    final colorScheme = Theme.of(context).colorScheme;
+
+    return Scaffold(
+      body: SafeArea(
+        child: Column(
+          children: [
+            Padding(
+              padding: const EdgeInsets.fromLTRB(8, 4, 16, 0),
+              child: Row(
+                children: [
+                  IconButton(
+                    icon: const Icon(Icons.arrow_back_rounded),
+                    onPressed: () => context.pop(),
+                  ),
+                  Text(
+                    s.backupTitle,
+                    style: Theme.of(context).textTheme.titleLarge?.copyWith(
+                          fontWeight: FontWeight.w800,
+                        ),
+                  ),
+                ],
+              ),
+            ),
+            Expanded(
+              child: SingleChildScrollView(
+                padding: const EdgeInsets.all(20),
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    if (!isPremium) ...[
+                      _buildLockedState(context, s, colorScheme),
+                    ] else ...[
+                      _buildSyncStatus(context, s, colorScheme, driveUser),
+                      const SizedBox(height: 20),
+                      _buildBackupActions(context, s, colorScheme, driveUser),
+                      const SizedBox(height: 20),
+                      _buildLastBackup(context, s, colorScheme),
+                    ],
+                  ],
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildLockedState(
+    BuildContext context,
+    AppStrings s,
+    ColorScheme colorScheme,
+  ) {
+    return Container(
+      width: double.infinity,
+      padding: const EdgeInsets.all(24),
+      decoration: BoxDecoration(
+        color: colorScheme.surface,
+        borderRadius: BorderRadius.circular(16),
+        border: Border.all(color: colorScheme.outlineVariant),
+      ),
+      child: Column(
+        children: [
+          Icon(Icons.lock_outline_rounded, size: 48, color: colorScheme.primary),
+          const SizedBox(height: 16),
+          Text(
+            s.backupRequiresPremium,
+            style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                  fontWeight: FontWeight.w600,
+                ),
+            textAlign: TextAlign.center,
+          ),
+          const SizedBox(height: 16),
+          FilledButton(
+            onPressed: () => context.push('/pro'),
+            child: Text(s.proBuy),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildSyncStatus(
+    BuildContext context,
+    AppStrings s,
+    ColorScheme colorScheme,
+    dynamic driveUser,
+  ) {
+    return Container(
+      width: double.infinity,
+      padding: const EdgeInsets.all(16),
+      decoration: BoxDecoration(
+        color: colorScheme.surface,
+        borderRadius: BorderRadius.circular(16),
+        border: Border.all(color: colorScheme.outlineVariant),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Row(
+            children: [
+              Icon(
+                driveUser != null
+                    ? Icons.cloud_done_rounded
+                    : Icons.cloud_off_rounded,
+                color: driveUser != null ? colorScheme.primary : colorScheme.onSurface.withOpacity(0.4),
+                size: 24,
+              ),
+              const SizedBox(width: 12),
+              Expanded(
+                child: Text(
+                  driveUser != null
+                      ? s.proSyncEnabled
+                      : s.backupRequiresSignIn,
+                  style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                        fontWeight: FontWeight.w600,
+                      ),
+                ),
+              ),
+            ],
+          ),
+          if (driveUser != null) ...[
+            const SizedBox(height: 8),
+            Text(
+              driveUser.email,
+              style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                    color: colorScheme.onSurface.withOpacity(0.6),
+                  ),
+            ),
+          ],
+        ],
+      ),
+    );
+  }
+
+  Widget _buildBackupActions(
+    BuildContext context,
+    AppStrings s,
+    ColorScheme colorScheme,
+    dynamic driveUser,
+  ) {
+    final disabled = driveUser == null;
+    return Column(
+      children: [
+        SizedBox(
+          width: double.infinity,
+          child: FilledButton.icon(
+            onPressed: (disabled || _backingUp) ? null : _handleBackup,
+            icon: _backingUp
+                ? SizedBox(
+                    width: 18,
+                    height: 18,
+                    child: CircularProgressIndicator(
+                      strokeWidth: 2,
+                      color: colorScheme.onPrimary,
+                    ),
+                  )
+                : const Icon(Icons.backup_outlined),
+            label: Text(_backingUp ? s.backupCreating : s.backupCreate),
+            style: FilledButton.styleFrom(
+              padding: const EdgeInsets.symmetric(vertical: 14),
+              shape: RoundedRectangleBorder(
+                borderRadius: BorderRadius.circular(12),
+              ),
+            ),
+          ),
+        ),
+        const SizedBox(height: 12),
+        SizedBox(
+          width: double.infinity,
+          child: OutlinedButton.icon(
+            onPressed: (disabled || _restoring) ? null : _handleRestore,
+            icon: _restoring
+                ? SizedBox(
+                    width: 18,
+                    height: 18,
+                    child: CircularProgressIndicator(
+                      strokeWidth: 2,
+                      color: colorScheme.primary,
+                    ),
+                  )
+                : const Icon(Icons.restore_rounded),
+            label: Text(_restoring ? s.backupRestoring : s.backupRestore),
+            style: OutlinedButton.styleFrom(
+              padding: const EdgeInsets.symmetric(vertical: 14),
+              shape: RoundedRectangleBorder(
+                borderRadius: BorderRadius.circular(12),
+              ),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildLastBackup(
+    BuildContext context,
+    AppStrings s,
+    ColorScheme colorScheme,
+  ) {
+    return Row(
+      children: [
+        Icon(
+          Icons.schedule_rounded,
+          size: 18,
+          color: colorScheme.onSurface.withOpacity(0.5),
+        ),
+        const SizedBox(width: 8),
+        Text(
+          '${s.backupLastBackup}: ${_lastBackupTime != null ? _formatDate(_lastBackupTime!) : s.backupNever}',
+          style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                color: colorScheme.onSurface.withOpacity(0.5),
+              ),
+        ),
+      ],
+    );
+  }
+
+  String _formatDate(DateTime dt) {
+    final d = dt.toLocal();
+    return '${d.day.toString().padLeft(2, '0')}.${d.month.toString().padLeft(2, '0')}.${d.year} ${d.hour.toString().padLeft(2, '0')}:${d.minute.toString().padLeft(2, '0')}';
+  }
+}

lib/shared/widgets/pro_screen.dart

@@ -0,0 +1,528 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../../core/l10n/app_strings.dart';
+import '../../core/l10n/locale_provider.dart';
+import '../../core/services/haptic_service.dart';
+import '../providers/current_user_provider.dart';
+import '../providers/premium_provider.dart';
+import 'error_snackbar.dart';
+
+class ProScreen extends ConsumerStatefulWidget {
+  const ProScreen({super.key});
+
+  @override
+  ConsumerState<ProScreen> createState() => _ProScreenState();
+}
+
+class _ProScreenState extends ConsumerState<ProScreen>
+    with SingleTickerProviderStateMixin {
+  bool _purchasing = false;
+  bool _restoring = false;
+  bool _resetting = false;
+  bool _showSuccess = false;
+  String _successTitle = '';
+  late final AnimationController _successController;
+  late final Animation<double> _successScale;
+
+  static const _gradientColors = [
+    Color(0xFF5B4DCC),
+    Color(0xFF7C6DED),
+    Color(0xFF9D8FF5),
+  ];
+
+  @override
+  void initState() {
+    super.initState();
+    _successController = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 400),
+    );
+    _successScale = Tween<double>(begin: 0.0, end: 1.0).animate(
+      CurvedAnimation(
+        parent: _successController,
+        curve: Curves.elasticOut,
+      ),
+    );
+  }
+
+  @override
+  void dispose() {
+    _successController.dispose();
+    super.dispose();
+  }
+
+  void _showSuccessOverlay(String title) {
+    setState(() {
+      _successTitle = title;
+      _showSuccess = true;
+    });
+    _successController.forward(from: 0.0);
+  }
+
+  void _dismissSuccessOverlay() {
+    _successController.stop();
+    if (mounted) {
+      setState(() => _showSuccess = false);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final s = ref.watch(stringsProvider);
+    final isPremium = ref.watch(isPremiumProvider);
+    final colorScheme = Theme.of(context).colorScheme;
+
+    return Stack(
+      children: [
+        Scaffold(
+          body: SafeArea(
+            child: Column(
+              children: [
+                _buildHeader(context),
+                Expanded(
+                  child: SingleChildScrollView(
+                    padding: const EdgeInsets.symmetric(horizontal: 20),
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        const SizedBox(height: 4),
+                        _buildHeroBanner(context, s, isPremium),
+                        const SizedBox(height: 20),
+                        _buildFeatureList(context, s, colorScheme),
+                        const SizedBox(height: 16),
+                      ],
+                    ),
+                  ),
+                ),
+                _buildBottomBar(context, s, colorScheme, isPremium),
+              ],
+            ),
+          ),
+        ),
+        if (_showSuccess) _buildSuccessOverlay(context, s, colorScheme),
+      ],
+    );
+  }
+
+  Widget _buildHeader(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.fromLTRB(8, 4, 16, 0),
+      child: Row(
+        children: [
+          IconButton(
+            icon: const Icon(Icons.arrow_back_rounded),
+            onPressed: () => context.pop(),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildHeroBanner(
+    BuildContext context,
+    AppStrings s,
+    bool isVip,
+  ) {
+    return Container(
+      width: double.infinity,
+      padding: const EdgeInsets.symmetric(vertical: 36, horizontal: 20),
+      decoration: BoxDecoration(
+        gradient: const LinearGradient(
+          begin: Alignment.topLeft,
+          end: Alignment.bottomRight,
+          colors: _gradientColors,
+        ),
+        borderRadius: BorderRadius.circular(20),
+      ),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            s.proTitle,
+            style: Theme.of(context).textTheme.displaySmall?.copyWith(
+                  fontWeight: FontWeight.w900,
+                  color: Colors.white,
+                  letterSpacing: -0.5,
+                ),
+          ),
+          const SizedBox(height: 6),
+          Text(
+            isVip ? s.proActive : s.proSubtitle,
+            style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                  color: Colors.white.withOpacity(0.9),
+                  fontWeight: isVip ? FontWeight.w700 : FontWeight.w500,
+                ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildSuccessOverlay(
+    BuildContext context,
+    AppStrings s,
+    ColorScheme colorScheme,
+  ) {
+    return GestureDetector(
+      onTap: _dismissSuccessOverlay,
+      child: Container(
+        color: Colors.black54,
+        child: Center(
+          child: GestureDetector(
+            onTap: _dismissSuccessOverlay,
+            child: AnimatedBuilder(
+              animation: _successController,
+              builder: (context, child) {
+                return Transform.scale(
+                  scale: _successScale.value,
+                  child: child,
+                );
+              },
+              child: Container(
+                padding: const EdgeInsets.all(32),
+                margin: const EdgeInsets.symmetric(horizontal: 40),
+                decoration: BoxDecoration(
+                  color: colorScheme.surface,
+                  borderRadius: BorderRadius.circular(24),
+                ),
+                child: Column(
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    Container(
+                      padding: const EdgeInsets.all(16),
+                      decoration: BoxDecoration(
+                        color: colorScheme.primary.withOpacity(0.15),
+                        shape: BoxShape.circle,
+                      ),
+                      child: Icon(
+                        Icons.check_circle_rounded,
+                        color: colorScheme.primary,
+                        size: 64,
+                      ),
+                    ),
+                    const SizedBox(height: 20),
+                    Text(
+                      _successTitle,
+                      style: Theme.of(context).textTheme.titleLarge?.copyWith(
+                            fontWeight: FontWeight.w800,
+                            color: colorScheme.onSurface,
+                          ),
+                      textAlign: TextAlign.center,
+                    ),
+                    const SizedBox(height: 12),
+                    Text(
+                      s.proTapToClose,
+                      style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                            color: colorScheme.onSurface.withOpacity(0.5),
+                          ),
+                      textAlign: TextAlign.center,
+                    ),
+                  ],
+                ),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildFeatureList(
+    BuildContext context,
+    AppStrings s,
+    ColorScheme colorScheme,
+  ) {
+    final features = [
+      (Icons.analytics_rounded, s.proFeatureAnalytics, s.proFeatureAnalyticsDesc),
+      (Icons.palette_rounded, s.proFeatureCustomization, s.proFeatureCustomizationDesc),
+      (Icons.fingerprint_rounded, s.proFeatureBiometric, s.proFeatureBiometricDesc),
+      (Icons.account_balance_wallet_rounded, s.proFeatureAccounts, s.proFeatureAccountsDesc),
+    ];
+
+    return Column(
+      children: features.map((f) {
+        return Padding(
+          padding: const EdgeInsets.only(bottom: 14),
+          child: Row(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Container(
+                padding: const EdgeInsets.all(10),
+                decoration: BoxDecoration(
+                  color: colorScheme.primary.withOpacity(0.1),
+                  borderRadius: BorderRadius.circular(12),
+                ),
+                child: Icon(
+                  f.$1,
+                  color: colorScheme.primary,
+                  size: 22,
+                ),
+              ),
+              const SizedBox(width: 14),
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      f.$2,
+                      style: Theme.of(context).textTheme.titleSmall?.copyWith(
+                            fontWeight: FontWeight.w700,
+                            color: colorScheme.onSurface,
+                          ),
+                    ),
+                    const SizedBox(height: 4),
+                    Text(
+                      f.$3,
+                      style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                            color: colorScheme.onSurface.withOpacity(0.6),
+                          ),
+                    ),
+                  ],
+                ),
+              ),
+            ],
+          ),
+        );
+      }).toList(),
+    );
+  }
+
+  Widget _buildBottomBar(
+    BuildContext context,
+    AppStrings s,
+    ColorScheme colorScheme,
+    bool isVip,
+  ) {
+    return Container(
+      padding: const EdgeInsets.fromLTRB(20, 12, 20, 24),
+      decoration: BoxDecoration(
+        color: Theme.of(context).scaffoldBackgroundColor,
+        border: Border(
+          top: BorderSide(
+            color: colorScheme.outlineVariant.withOpacity(0.3),
+            width: 1,
+          ),
+        ),
+      ),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          if (!isVip) ...[
+            SizedBox(
+              width: double.infinity,
+              child: FilledButton(
+                onPressed: _purchasing ? null : _handlePurchase,
+                style: FilledButton.styleFrom(
+                  padding: const EdgeInsets.symmetric(vertical: 16),
+                  shape: RoundedRectangleBorder(
+                    borderRadius: BorderRadius.circular(12),
+                  ),
+                ),
+                child: _purchasing
+                    ? SizedBox(
+                        width: 20,
+                        height: 20,
+                        child: CircularProgressIndicator(
+                          strokeWidth: 2,
+                          color: colorScheme.onPrimary,
+                        ),
+                      )
+                    : Text(
+                        s.proBuy,
+                        style: const TextStyle(
+                          fontSize: 16,
+                          fontWeight: FontWeight.w700,
+                        ),
+                      ),
+              ),
+            ),
+            const SizedBox(height: 8),
+            SizedBox(
+              width: double.infinity,
+              child: TextButton(
+                onPressed: _restoring ? null : _handleRestore,
+                child: _restoring
+                    ? SizedBox(
+                        width: 16,
+                        height: 16,
+                        child: CircularProgressIndicator(
+                          strokeWidth: 2,
+                          color: colorScheme.primary,
+                        ),
+                      )
+                    : Text(s.proRestorePurchases),
+              ),
+            ),
+          ] else ...[
+            Container(
+              width: double.infinity,
+              padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 16),
+              decoration: BoxDecoration(
+                color: colorScheme.primary.withOpacity(0.08),
+                borderRadius: BorderRadius.circular(12),
+                border: Border.all(
+                  color: colorScheme.primary.withOpacity(0.2),
+                  width: 1,
+                ),
+              ),
+              child: Row(
+                children: [
+                  Icon(
+                    Icons.verified_rounded,
+                    color: colorScheme.primary,
+                    size: 20,
+                  ),
+                  const SizedBox(width: 10),
+                  Expanded(
+                    child: Text(
+                      s.proActive,
+                      style: TextStyle(
+                        color: colorScheme.primary,
+                        fontWeight: FontWeight.w700,
+                        fontSize: 14,
+                      ),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+            const SizedBox(height: 10),
+            SizedBox(
+              width: double.infinity,
+              child: OutlinedButton.icon(
+                onPressed: _resetting ? null : _handleResetData,
+                icon: _resetting
+                    ? SizedBox(
+                        width: 16,
+                        height: 16,
+                        child: CircularProgressIndicator(
+                          strokeWidth: 2,
+                          color: colorScheme.onSurface.withOpacity(0.5),
+                        ),
+                      )
+                    : Icon(
+                        Icons.restart_alt_rounded,
+                        size: 18,
+                        color: colorScheme.onSurface.withOpacity(0.6),
+                      ),
+                label: Text(
+                  s.proResetData,
+                  style: TextStyle(
+                    fontSize: 13,
+                    fontWeight: FontWeight.w600,
+                    color: colorScheme.onSurface.withOpacity(0.6),
+                  ),
+                ),
+                style: OutlinedButton.styleFrom(
+                  padding: const EdgeInsets.symmetric(vertical: 12),
+                  side: BorderSide(
+                    color: colorScheme.onSurface.withOpacity(0.15),
+                  ),
+                  shape: RoundedRectangleBorder(
+                    borderRadius: BorderRadius.circular(12),
+                  ),
+                ),
+              ),
+            ),
+          ],
+        ],
+      ),
+    );
+  }
+
+  Future<void> _handlePurchase() async {
+    HapticService.light();
+    setState(() => _purchasing = true);
+    try {
+      final manager = ref.read(premiumManagerProvider);
+      final result = await manager.purchase();
+      if (result.success) {
+        await ref.read(currentUserProvider.notifier).refreshFromPremium();
+        if (mounted) {
+          _showSuccessOverlay(ref.read(stringsProvider).proPurchaseSuccess);
+          HapticService.medium();
+        }
+      } else {
+        if (mounted) {
+          showErrorSnackbar(context, result.error ?? ref.read(stringsProvider).proPurchaseFailed);
+        }
+      }
+    } catch (e) {
+      if (mounted) {
+        showErrorSnackbar(context, e.toString());
+      }
+    } finally {
+      if (mounted) setState(() => _purchasing = false);
+    }
+  }
+
+  Future<void> _handleRestore() async {
+    HapticService.light();
+    setState(() => _restoring = true);
+    try {
+      final manager = ref.read(premiumManagerProvider);
+      final result = await manager.restore();
+      if (result.success) {
+        await ref.read(currentUserProvider.notifier).refreshFromPremium();
+        if (mounted) {
+          _showSuccessOverlay(ref.read(stringsProvider).proRestoreSuccessTitle);
+          HapticService.medium();
+        }
+      } else {
+        if (mounted) {
+          showWarningSnackbar(context, ref.read(stringsProvider).proRestoreNotFound);
+        }
+      }
+    } catch (e) {
+      if (mounted) {
+        showErrorSnackbar(context, e.toString());
+      }
+    } finally {
+      if (mounted) setState(() => _restoring = false);
+    }
+  }
+
+  Future<void> _handleResetData() async {
+    final s = ref.read(stringsProvider);
+    showDialog(
+      context: context,
+      builder: (ctx) => AlertDialog(
+        title: Text(s.proResetData),
+        content: Text(s.proResetDataConfirm),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(ctx),
+            child: Text(s.cancel),
+          ),
+          TextButton(
+            onPressed: () async {
+              Navigator.pop(ctx);
+              HapticService.light();
+              setState(() => _resetting = true);
+              try {
+                final manager = ref.read(premiumManagerProvider);
+                await manager.clear();
+                await ref.read(currentUserProvider.notifier).refreshFromPremium();
+                if (mounted) {
+                  showSuccessSnackbar(context, s.proResetDataSuccess);
+                  HapticService.medium();
+                }
+              } catch (e) {
+                if (mounted) {
+                  showErrorSnackbar(context, e.toString());
+                }
+              } finally {
+                if (mounted) setState(() => _resetting = false);
+              }
+            },
+            style: TextButton.styleFrom(
+              foregroundColor: const Color(0xFFE05C6B),
+            ),
+            child: Text(s.proResetData),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/shared/widgets/pro_subscription_card.dart

@@ -0,0 +1,264 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+import '../../core/l10n/locale_provider.dart';
+import '../../core/services/haptic_service.dart';
+import '../providers/premium_provider.dart';
+
+class ProSubscriptionCard extends StatefulWidget {
+  const ProSubscriptionCard({super.key});
+
+  @override
+  State<ProSubscriptionCard> createState() =>
+      _ProSubscriptionCardState();
+}
+
+class _ProSubscriptionCardState extends State<ProSubscriptionCard>
+    with SingleTickerProviderStateMixin {
+  late final AnimationController _shimmerController;
+
+  static const _gradientColors = [
+    Color(0xFF5B4DCC),
+    Color(0xFF7C6DED),
+    Color(0xFF9D8FF5),
+  ];
+
+  @override
+  void initState() {
+    super.initState();
+    _shimmerController = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 2800),
+    )..repeat();
+  }
+
+  @override
+  void dispose() {
+    _shimmerController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Consumer(
+      builder: (context, ref, _) {
+    final s = ref.watch(stringsProvider);
+    final isPremium = ref.watch(isPremiumProvider);
+
+    return ClipRRect(
+      borderRadius: BorderRadius.circular(20),
+      child: Stack(
+        children: [
+          Container(
+            padding: const EdgeInsets.fromLTRB(20, 22, 20, 18),
+            decoration: const BoxDecoration(
+              gradient: LinearGradient(
+                begin: Alignment.topLeft,
+                end: Alignment.bottomRight,
+                colors: _gradientColors,
+              ),
+            ),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Row(
+                  children: [
+                    Container(
+                      padding: const EdgeInsets.all(10),
+                      decoration: BoxDecoration(
+                        color: Colors.white.withOpacity(0.18),
+                        borderRadius: BorderRadius.circular(12),
+                        border: Border.all(
+                          color: Colors.white.withOpacity(0.25),
+                          width: 1,
+                        ),
+                      ),
+                      child: Icon(
+                        isPremium
+                            ? Icons.verified_rounded
+                            : Icons.workspace_premium_rounded,
+                        color: Colors.white,
+                        size: 26,
+                      ),
+                    ),
+                    const SizedBox(width: 14),
+                    Expanded(
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          Text(
+                            s.proTitle,
+                            style: Theme.of(context)
+                                .textTheme
+                                .titleLarge
+                                ?.copyWith(
+                                  fontWeight: FontWeight.w800,
+                                  color: Colors.white,
+                                  letterSpacing: -0.3,
+                                ),
+                          ),
+                          const SizedBox(height: 3),
+                          Text(
+                            isPremium ? s.proActive : s.proSubtitle,
+                            style: isPremium
+                                ? Theme.of(context)
+                                    .textTheme
+                                    .bodyMedium
+                                    ?.copyWith(
+                                      color: Colors.white.withOpacity(0.95),
+                                      fontWeight: FontWeight.w600,
+                                    )
+                                : Theme.of(context)
+                                    .textTheme
+                                    .bodySmall
+                                    ?.copyWith(
+                                      color: Colors.white.withOpacity(0.75),
+                                    ),
+                          ),
+                        ],
+                      ),
+                    ),
+                    if (isPremium)
+                      Container(
+                        padding: const EdgeInsets.symmetric(
+                          horizontal: 10,
+                          vertical: 5,
+                        ),
+                        decoration: BoxDecoration(
+                          color: Colors.white.withOpacity(0.2),
+                          borderRadius: BorderRadius.circular(20),
+                          border: Border.all(
+                            color: Colors.white.withOpacity(0.3),
+                            width: 1,
+                          ),
+                        ),
+                        child: Row(
+                          mainAxisSize: MainAxisSize.min,
+                          children: [
+                            Icon(
+                              Icons.check_circle_rounded,
+                              color: Colors.white.withOpacity(0.95),
+                              size: 14,
+                            ),
+                            const SizedBox(width: 4),
+                            Text(
+                              'Pro',
+                              style: TextStyle(
+                                color: Colors.white.withOpacity(0.95),
+                                fontSize: 11,
+                                fontWeight: FontWeight.w700,
+                              ),
+                            ),
+                          ],
+                        ),
+                      ),
+                  ],
+                ),
+                const SizedBox(height: 18),
+                SizedBox(
+                  width: double.infinity,
+                  child: _GlassButton(
+                    label: s.proAboutPro,
+                    icon: Icons.arrow_forward_rounded,
+                    onTap: () {
+                      HapticService.light();
+                      context.push('/pro');
+                    },
+                  ),
+                ),
+              ],
+            ),
+          ),
+          Positioned.fill(
+            child: IgnorePointer(
+              child: AnimatedBuilder(
+                animation: _shimmerController,
+                builder: (context, _) {
+                  final t = _shimmerController.value;
+                  final startX = -1.5;
+                  final endX = 2.5;
+                  final x = startX + (endX - startX) * t;
+                  return ShaderMask(
+                    blendMode: BlendMode.srcOver,
+                    shaderCallback: (Rect bounds) {
+                      return LinearGradient(
+                        begin: Alignment(x, 0),
+                        end: Alignment(x + 0.5, 0),
+                        colors: [
+                          Colors.white.withOpacity(0),
+                          Colors.white.withOpacity(0.12),
+                          Colors.white.withOpacity(0),
+                        ],
+                        stops: const [0.0, 0.5, 1.0],
+                      ).createShader(bounds);
+                    },
+                    child: Container(
+                      decoration: BoxDecoration(
+                        borderRadius: BorderRadius.circular(20),
+                        border: Border.all(
+                          color: Colors.white.withOpacity(0.15),
+                          width: 1,
+                        ),
+                      ),
+                    ),
+                  );
+                },
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+      },
+    );
+  }
+}
+
+class _GlassButton extends StatelessWidget {
+  final String label;
+  final IconData icon;
+  final VoidCallback onTap;
+
+  const _GlassButton({
+    required this.label,
+    required this.icon,
+    required this.onTap,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Material(
+      color: Colors.white.withOpacity(0.15),
+      borderRadius: BorderRadius.circular(12),
+      child: InkWell(
+        onTap: onTap,
+        borderRadius: BorderRadius.circular(12),
+        child: Container(
+          padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 16),
+          decoration: BoxDecoration(
+            borderRadius: BorderRadius.circular(12),
+            border: Border.all(
+              color: Colors.white.withOpacity(0.25),
+              width: 1,
+            ),
+          ),
+          child: Row(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              Text(
+                label,
+                style: const TextStyle(
+                  color: Colors.white,
+                  fontWeight: FontWeight.w700,
+                  fontSize: 14,
+                ),
+              ),
+              const SizedBox(width: 6),
+              Icon(icon, color: Colors.white, size: 18),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,10 +5,14 @@
 import FlutterMacOS
 import Foundation
 
+import google_sign_in_ios
+import in_app_purchase_storekit
 import local_auth_darwin
 import shared_preferences_foundation
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FLTGoogleSignInPlugin.register(with: registry.registrar(forPlugin: "FLTGoogleSignInPlugin"))
+  InAppPurchasePlugin.register(with: registry.registrar(forPlugin: "InAppPurchasePlugin"))
   LocalAuthPlugin.register(with: registry.registrar(forPlugin: "LocalAuthPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
 }

pubspec.lock

@@ -1,6 +1,14 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _discoveryapis_commons:
+    dependency: transitive
+    description:
+      name: _discoveryapis_commons
+      sha256: "113c4100b90a5b70a983541782431b82168b3cae166ab130649c36eb3559d498"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.7"
   _fe_analyzer_shared:
     dependency: transitive
     description:
@@ -241,6 +249,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.8"
+  extension_google_sign_in_as_googleapis_auth:
+    dependency: "direct main"
+    description:
+      name: extension_google_sign_in_as_googleapis_auth
+      sha256: "0dcb17e399f62e897ac78f0a402a3cb6ab9313ced8b2bf131f684d317e05c9ab"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.13"
   fake_async:
     dependency: transitive
     description:
@@ -376,6 +392,70 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "8.1.0"
+  google_identity_services_web:
+    dependency: transitive
+    description:
+      name: google_identity_services_web
+      sha256: "5d187c46dc59e02646e10fe82665fc3884a9b71bc1c90c2b8b749316d33ee454"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.3+1"
+  google_sign_in:
+    dependency: "direct main"
+    description:
+      name: google_sign_in
+      sha256: d0a2c3bcb06e607bb11e4daca48bd4b6120f0bbc4015ccebbe757d24ea60ed2a
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.0"
+  google_sign_in_android:
+    dependency: transitive
+    description:
+      name: google_sign_in_android
+      sha256: d5e23c56a4b84b6427552f1cf3f98f716db3b1d1a647f16b96dbb5b93afa2805
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.2.1"
+  google_sign_in_ios:
+    dependency: transitive
+    description:
+      name: google_sign_in_ios
+      sha256: "102005f498ce18442e7158f6791033bbc15ad2dcc0afa4cf4752e2722a516c96"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.9.0"
+  google_sign_in_platform_interface:
+    dependency: transitive
+    description:
+      name: google_sign_in_platform_interface
+      sha256: "5f6f79cf139c197261adb6ac024577518ae48fdff8e53205c5373b5f6430a8aa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.5.0"
+  google_sign_in_web:
+    dependency: transitive
+    description:
+      name: google_sign_in_web
+      sha256: "460547beb4962b7623ac0fb8122d6b8268c951cf0b646dd150d60498430e4ded"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.4+4"
+  googleapis:
+    dependency: "direct main"
+    description:
+      name: googleapis
+      sha256: "864f222aed3f2ff00b816c675edf00a39e2aaf373d728d8abec30b37bee1a81c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "13.2.0"
+  googleapis_auth:
+    dependency: "direct main"
+    description:
+      name: googleapis_auth
+      sha256: befd71383a955535060acde8792e7efc11d2fccd03dd1d3ec434e85b68775938
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.6.0"
   graphs:
     dependency: transitive
     description:
@@ -432,6 +512,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.9.1"
+  in_app_purchase:
+    dependency: "direct main"
+    description:
+      name: in_app_purchase
+      sha256: "0e9510b80b0074e89ab0a8e0fc901439b779dc9ae575ab8d419253c6e1627716"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.3.0"
+  in_app_purchase_android:
+    dependency: transitive
+    description:
+      name: in_app_purchase_android
+      sha256: eb8f551039481d1b265f12fa54f5ab5dd4f13ec5444a468b85a3793517a37fda
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.5.1"
+  in_app_purchase_platform_interface:
+    dependency: transitive
+    description:
+      name: in_app_purchase_platform_interface
+      sha256: "0b0076cac8ce4fa7048f01e76af8b123aeb6a7c4e0dea2a5206d6664454f3e36"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  in_app_purchase_storekit:
+    dependency: transitive
+    description:
+      name: in_app_purchase_storekit
+      sha256: "5f9d59c86c15f56429a4fdf09097c99d5b412510e1fcf80cf874fc9638fab369"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.4.10"
   intl:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -25,6 +25,11 @@ dependencies:
   drift: ^2.14.1
   sqlite3_flutter_libs: ^0.6.0+eol
   path: ^1.8.3
+  google_sign_in: ^6.2.1
+  in_app_purchase: ^3.2.0
+  googleapis: ^13.2.0
+  googleapis_auth: ^1.6.0
+  extension_google_sign_in_as_googleapis_auth: ^2.0.12
 
 flutter_launcher_icons:
   android: true