step

lib/core/constants.dart

@@ -26,6 +26,14 @@ class AppCategories {
     'Shopping',
     'Health',
     'Entertainment',
+    'Housing',
+    'Education',
+    'Travel',
+    'Utilities',
+    'Clothing',
+    'Sports',
+    'Beauty',
+    'Pets',
     'Other'
   ];
 
@@ -35,6 +43,8 @@ class AppCategories {
     'Gift',
     'Investment',
     'Refund',
+    'Business',
+    'Savings',
     'Other'
   ];
 
@@ -50,11 +60,21 @@ class AppCategories {
     'Shopping': Icons.shopping_bag_rounded,
     'Health': Icons.favorite_rounded,
     'Entertainment': Icons.movie_rounded,
+    'Housing': Icons.home_rounded,
+    'Education': Icons.school_rounded,
+    'Travel': Icons.flight_rounded,
+    'Utilities': Icons.bolt_rounded,
+    'Clothing': Icons.checkroom_rounded,
+    'Sports': Icons.fitness_center_rounded,
+    'Beauty': Icons.brush_rounded,
+    'Pets': Icons.pets_rounded,
     'Salary': Icons.work_rounded,
     'Freelance': Icons.laptop_rounded,
     'Gift': Icons.card_giftcard_rounded,
     'Investment': Icons.trending_up_rounded,
     'Refund': Icons.money_rounded,
+    'Business': Icons.business_center_rounded,
+    'Savings': Icons.savings_rounded,
     'Other': Icons.category_rounded,
   };
 
@@ -64,11 +84,21 @@ class AppCategories {
     'Shopping': Color(0xFFFFD369),
     'Health': Color(0xFF69FFB4),
     'Entertainment': Color(0xFFFF69B4),
+    'Housing': Color(0xFF69B4FF),
+    'Education': Color(0xFFFFB469),
+    'Travel': Color(0xFF69FFB4),
+    'Utilities': Color(0xFFFFD369),
+    'Clothing': Color(0xFFFF69B4),
+    'Sports': Color(0xFF69FFB4),
+    'Beauty': Color(0xFFFF69B4),
+    'Pets': Color(0xFFB4FF69),
     'Salary': Color(0xFF4CAF8C),
     'Freelance': Color(0xFF69FFB4),
     'Gift': Color(0xFFFFB469),
     'Investment': Color(0xFF69B4FF),
     'Refund': Color(0xFFB4FF69),
+    'Business': Color(0xFFFF8C69),
+    'Savings': Color(0xFF4CAF8C),
     'Other': Color(0xFFB469FF),
   };
 
@@ -78,11 +108,21 @@ class AppCategories {
     'Shopping': 'shopping_bag',
     'Health': 'heart',
     'Entertainment': 'movie',
+    'Housing': 'home',
+    'Education': 'school',
+    'Travel': 'flight',
+    'Utilities': 'bolt',
+    'Clothing': 'checkroom',
+    'Sports': 'fitness',
+    'Beauty': 'brush',
+    'Pets': 'pets',
     'Salary': 'work',
     'Freelance': 'laptop',
     'Gift': 'gift',
     'Investment': 'trending_up',
     'Refund': 'money',
+    'Business': 'work',
+    'Savings': 'savings',
     'Other': 'category',
   };
 
@@ -108,6 +148,22 @@ class AppCategories {
     'Pets': 'Питомцы',
     'Business': 'Бизнес',
     'Savings': 'Накопления',
+    'Dining': 'Ресторан',
+    'Cafe': 'Кафе',
+    'Coffee': 'Кофе',
+    'Restaurant': 'Ресторан',
+    'Fuel': 'Топливо',
+    'Taxi': 'Такси',
+    'Phone': 'Связь',
+    'Internet': 'Интернет',
+    'Insurance': 'Страховка',
+    'Taxes': 'Налоги',
+    'Medicine': 'Медицина',
+    'Children': 'Дети',
+    'Hobby': 'Хобби',
+    'Music': 'Музыка',
+    'Games': 'Игры',
+    'Books': 'Книги',
   };
 }
 

lib/features/add_transaction/screen.dart

@@ -396,7 +396,7 @@ class _AddTransactionScreenState extends ConsumerState<AddTransactionScreen>
         child: child!,
       ),
     );
-    if (picked != null) {
+    if (picked != null && mounted) {
       setState(() => _selectedDate = picked);
     }
   }
@@ -423,7 +423,7 @@ class _AddTransactionScreenState extends ConsumerState<AddTransactionScreen>
         child: child!,
       ),
     );
-    if (picked != null) {
+    if (picked != null && mounted) {
       setState(() => _selectedTime = picked);
     }
   }

lib/features/add_transaction/widgets/account_selector.dart

@@ -27,6 +27,9 @@ class AccountSelector extends ConsumerWidget {
 
     return accountsAsync.when(
       data: (accounts) {
+        if (accounts.isEmpty) {
+          return const SizedBox.shrink();
+        }
         final txAccountId = ref
             .read(addTransactionProvider(initial))
             .selectedAccountId;

lib/features/categories/screen.dart

@@ -45,18 +45,9 @@ class _CategoriesScreenState extends ConsumerState<CategoriesScreen> {
 
     return Scaffold(
       backgroundColor: Theme.of(context).scaffoldBackgroundColor,
-      appBar: AppBar(
-        title: Text(
-          s.statistics,
-          style: Theme.of(context).textTheme.titleLarge?.copyWith(
-            fontWeight: FontWeight.w700,
-            color: Theme.of(context).colorScheme.onSurface,
-          ),
-        ),
-      ),
       body: SafeArea(
         child: ListView(
-          padding: const EdgeInsets.fromLTRB(20, 8, 20, 100),
+          padding: const EdgeInsets.fromLTRB(20, 16, 20, 100),
           children: [
             const AccountScopeChips(),
             const SizedBox(height: 16),
@@ -232,6 +223,9 @@ class _PieChartSection extends ConsumerWidget {
     final fmt = ref.watch(amountFormatProvider);
     final entries = data.entries.toList();
     final accent = isIncome ? AppColors.income : AppColors.expense;
+    if (entries.isEmpty) {
+      return const SizedBox.shrink();
+    }
     final selectedIndex = touchedIndex >= 0 ? touchedIndex : 0;
     final selectedEntry = entries[selectedIndex.clamp(0, entries.length - 1)];
     final selectedAmount = selectedEntry.value;
@@ -267,7 +261,9 @@ class _PieChartSection extends ConsumerWidget {
                       color: color,
                       value: val,
                       title: isTouched
-                          ? '${(val / total * 100).toStringAsFixed(0)}%'
+                          ? total > 0
+                              ? '${(val / total * 100).toStringAsFixed(0)}%'
+                              : '0%'
                           : '',
                       radius: isTouched ? 60 : 52,
                       titleStyle: const TextStyle(
@@ -340,7 +336,9 @@ class _PieChartSection extends ConsumerWidget {
                 ),
               ),
               Text(
-                '${(selectedAmount / total * 100).toStringAsFixed(1)}%',
+                total > 0
+                    ? '${(selectedAmount / total * 100).toStringAsFixed(1)}%'
+                    : '0%',
                 style: Theme.of(context).textTheme.bodyMedium?.copyWith(
                   fontWeight: FontWeight.w700,
                   color: accent,
@@ -869,7 +867,7 @@ class _TimePeriodToggle extends ConsumerWidget {
           color: theme.colorScheme.onSurface.withOpacity(0.06),
         ),
       ),
-      padding: const EdgeInsets.all(4),
+      padding: const EdgeInsets.all(2),
       child: Row(
         children: [
           Expanded(
@@ -936,14 +934,17 @@ class _OverviewCard extends ConsumerWidget {
             ),
           ),
           const SizedBox(height: 12),
-          _FormattedAmount(
+          FittedBox(
-            amount: amount,
+            fit: BoxFit.scaleDown,
-            currencyInfo: currencyInfo,
+            child: _FormattedAmount(
-            color: color,
+              amount: amount,
-            fontSize: 40,
+              currencyInfo: currencyInfo,
-            fontWeight: FontWeight.w800,
+              color: color,
-            format: fmt,
+              fontSize: 40,
-            center: true,
+              fontWeight: FontWeight.w800,
+              format: fmt,
+              center: true,
+            ),
           ),
           const SizedBox(height: 14),
           Text(
@@ -981,7 +982,7 @@ class _IncomeExpenseToggle extends ConsumerWidget {
           color: theme.colorScheme.onSurface.withOpacity(0.06),
         ),
       ),
-      padding: const EdgeInsets.all(4),
+      padding: const EdgeInsets.all(2),
       child: Row(
         children: [
           Expanded(
@@ -1025,7 +1026,7 @@ class _ToggleChip extends StatelessWidget {
       onTap: onTap,
       child: AnimatedContainer(
         duration: const Duration(milliseconds: 200),
-        padding: const EdgeInsets.symmetric(vertical: 10),
+        padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 4),
         decoration: BoxDecoration(
           color: isSelected ? color.withOpacity(0.15) : Colors.transparent,
           borderRadius: BorderRadius.circular(8),
@@ -1033,8 +1034,10 @@ class _ToggleChip extends StatelessWidget {
         child: Text(
           label,
           textAlign: TextAlign.center,
+          maxLines: 1,
+          overflow: TextOverflow.ellipsis,
           style: TextStyle(
-            fontSize: 14,
+            fontSize: 13,
             fontWeight: isSelected ? FontWeight.w700 : FontWeight.w500,
             color: isSelected
                 ? color

lib/features/dashboard/screen.dart

@@ -222,6 +222,7 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
       });
     }
 
+    if (!mounted) return;
     overlayEntry?.remove();
     overlayEntry = null;
     setState(() {

lib/features/settings/categories/category_editor_sheet.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import '../../../core/constants.dart';
@@ -44,6 +46,11 @@ class _CategoryEditorSheetState extends ConsumerState<CategoryEditorSheet> {
   bool _translatingEn = false;
   bool _translatingRu = false;
   bool _saving = false;
+  DateTime? _lastTranslateTime;
+  bool _enOverflow = false;
+  bool _ruOverflow = false;
+  Timer? _enOverflowTimer;
+  Timer? _ruOverflowTimer;
 
   @override
   void initState() {
@@ -62,6 +69,8 @@ class _CategoryEditorSheetState extends ConsumerState<CategoryEditorSheet> {
 
   @override
   void dispose() {
+    _enOverflowTimer?.cancel();
+    _ruOverflowTimer?.cancel();
     _enController.dispose();
     _ruController.dispose();
     super.dispose();
@@ -71,21 +80,50 @@ class _CategoryEditorSheetState extends ConsumerState<CategoryEditorSheet> {
     if (_enController.text.trim().isNotEmpty && _enSuggestion != null) {
       setState(() => _enSuggestion = null);
     }
+    if (_enController.text.length >= 20) {
+      _enOverflowTimer?.cancel();
+      setState(() => _enOverflow = true);
+      _enOverflowTimer = Timer(const Duration(seconds: 1), () {
+        if (mounted) setState(() => _enOverflow = false);
+      });
+    }
   }
 
   void _onRuChanged() {
     if (_ruController.text.trim().isNotEmpty && _ruSuggestion != null) {
       setState(() => _ruSuggestion = null);
     }
+    if (_ruController.text.length >= 20) {
+      _ruOverflowTimer?.cancel();
+      setState(() => _ruOverflow = true);
+      _ruOverflowTimer = Timer(const Duration(seconds: 1), () {
+        if (mounted) setState(() => _ruOverflow = false);
+      });
+    }
+  }
+
+  bool _isThrottled() {
+    final now = DateTime.now();
+    if (_lastTranslateTime != null &&
+        now.difference(_lastTranslateTime!) < const Duration(seconds: 2)) {
+      return true;
+    }
+    _lastTranslateTime = now;
+    return false;
   }
 
   Future<void> _translateToRu() async {
     final source = _enController.text.trim();
     if (source.isEmpty) return;
     setState(() => _translatingRu = true);
-    final result = await ref
+    final service = ref.read(translationServiceProvider);
-        .read(translationServiceProvider)
+    TranslationResult? result;
-        .translate(source, TranslateDirection.enToRu);
+    if (_isThrottled()) {
+      final dict = service.dictionaryLookup(source, TranslateDirection.enToRu);
+      result = dict != null ? TranslationResult(dict, fromCache: true) : null;
+    } else {
+      result = await service.translate(source, TranslateDirection.enToRu);
+    }
     if (!mounted) return;
     setState(() {
       _translatingRu = false;
@@ -100,9 +138,14 @@ class _CategoryEditorSheetState extends ConsumerState<CategoryEditorSheet> {
     final source = _ruController.text.trim();
     if (source.isEmpty) return;
     setState(() => _translatingEn = true);
-    final result = await ref
+    final service = ref.read(translationServiceProvider);
-        .read(translationServiceProvider)
+    TranslationResult? result;
-        .translate(source, TranslateDirection.ruToEn);
+    if (_isThrottled()) {
+      final dict = service.dictionaryLookup(source, TranslateDirection.ruToEn);
+      result = dict != null ? TranslationResult(dict, fromCache: true) : null;
+    } else {
+      result = await service.translate(source, TranslateDirection.ruToEn);
+    }
     if (!mounted) return;
     setState(() {
       _translatingEn = false;
@@ -122,21 +165,45 @@ class _CategoryEditorSheetState extends ConsumerState<CategoryEditorSheet> {
     }
     setState(() => _saving = true);
     HapticService.medium();
+
+    String labelEn = _enController.text.trim();
+    String labelRu = _ruController.text.trim();
+
+    if (labelEn.isEmpty && labelRu.isNotEmpty) {
+      final result = await ref
+          .read(translationServiceProvider)
+          .translate(labelRu, TranslateDirection.ruToEn);
+      if (result != null && result.text.isNotEmpty) {
+        labelEn = result.text;
+      } else {
+        labelEn = labelRu;
+      }
+    } else if (labelRu.isEmpty && labelEn.isNotEmpty) {
+      final result = await ref
+          .read(translationServiceProvider)
+          .translate(labelEn, TranslateDirection.enToRu);
+      if (result != null && result.text.isNotEmpty) {
+        labelRu = result.text;
+      } else {
+        labelRu = labelEn;
+      }
+    }
+
     final actions = ref.read(categoryActionsProvider);
     final existing = widget.existing;
     final result = existing != null && existing.id != null
         ? await actions.edit(
             id: existing.id!,
             type: _type,
-            labelEn: _enController.text,
+            labelEn: labelEn,
-            labelRu: _ruController.text,
+            labelRu: labelRu,
             iconName: _iconName,
             colorValue: _colorValue,
           )
         : await actions.create(
             type: _type,
-            labelEn: _enController.text,
+            labelEn: labelEn,
-            labelRu: _ruController.text,
+            labelRu: labelRu,
             iconName: _iconName,
             colorValue: _colorValue,
           );
@@ -201,6 +268,7 @@ class _CategoryEditorSheetState extends ConsumerState<CategoryEditorSheet> {
                   hint: s.nameEnHint,
                   suggestion: _enSuggestion,
                   isTranslating: _translatingEn,
+                  isOverflow: _enOverflow,
                   canTranslate: _ruController.text.trim().isNotEmpty,
                   translatingLabel: s.translating,
                   applyLabel: s.applyTranslation,
@@ -217,6 +285,7 @@ class _CategoryEditorSheetState extends ConsumerState<CategoryEditorSheet> {
                   hint: s.nameRuHint,
                   suggestion: _ruSuggestion,
                   isTranslating: _translatingRu,
+                  isOverflow: _ruOverflow,
                   canTranslate: _enController.text.trim().isNotEmpty,
                   translatingLabel: s.translating,
                   applyLabel: s.applyTranslation,
@@ -384,6 +453,7 @@ class _TranslatableField extends StatelessWidget {
   final bool canTranslate;
   final String translatingLabel;
   final String applyLabel;
+  final bool isOverflow;
   final VoidCallback onTranslate;
   final VoidCallback onApply;
 
@@ -393,6 +463,7 @@ class _TranslatableField extends StatelessWidget {
     required this.hint,
     required this.suggestion,
     required this.isTranslating,
+    required this.isOverflow,
     required this.canTranslate,
     required this.translatingLabel,
     required this.applyLabel,
@@ -424,9 +495,11 @@ class _TranslatableField extends StatelessWidget {
               decoration: BoxDecoration(
                 color: theme.colorScheme.surface,
                 borderRadius: BorderRadius.circular(14),
-                border: isDark
+                border: isOverflow
-                    ? null
+                    ? Border.all(color: AppColors.expense, width: 1.5)
-                    : Border.all(color: const Color(0xFFDDDDEE), width: 1),
+                    : isDark
+                        ? null
+                        : Border.all(color: const Color(0xFFDDDDEE), width: 1),
               ),
               child: Row(
                 children: [
@@ -457,10 +530,12 @@ class _TranslatableField extends StatelessWidget {
                         TextField(
                           controller: controller,
                           style: theme.textTheme.bodyLarge,
+                          maxLength: 20,
                           decoration: InputDecoration(
                             hintText: showGhost ? '' : hint,
                             isDense: true,
                             filled: false,
+                            counterText: '',
                             enabledBorder: InputBorder.none,
                             focusedBorder: InputBorder.none,
                             border: InputBorder.none,

lib/features/settings/screen.dart

@@ -111,79 +111,63 @@ class SettingsScreen extends ConsumerWidget {
 
     return Scaffold(
       backgroundColor: Theme.of(context).scaffoldBackgroundColor,
-      appBar: AppBar(
+      body: SafeArea(
-        backgroundColor: Theme.of(context).scaffoldBackgroundColor,
+        child: ListView(
-        elevation: 0,
+          physics: const ClampingScrollPhysics(),
-        scrolledUnderElevation: 0,
+          padding: const EdgeInsets.fromLTRB(20, 16, 20, 40),
-        centerTitle: true,
+          children: [
-        toolbarHeight: 80,
+            const ThemeSection(),
-        title: Padding(
+            const SizedBox(height: 16),
-          padding: const EdgeInsets.symmetric(vertical: 16),
+            const CardTextColorSection(),
-          child: Text(
+            const SizedBox(height: 16),
-            'Casha',
+            const HapticSection(),
-            style: Theme.of(context).textTheme.displaySmall?.copyWith(
+            const SizedBox(height: 16),
-              fontWeight: FontWeight.w800,
+            const CurrencyConversionsSection(),
-              color: Theme.of(context).colorScheme.onSurface,
+            const SizedBox(height: 16),
-              letterSpacing: -0.5,
+            const _BiometricSection(),
+            const LanguageSection(),
+            const SizedBox(height: 16),
+            const CurrencySection(),
+            const SizedBox(height: 16),
+            const AmountFormatSection(),
+            const SizedBox(height: 16),
+            const CategoriesSection(),
+            const SizedBox(height: 24),
+            Text(
+              s.dangerZone,
+              style: TextStyle(
+                fontSize: 12,
+                letterSpacing: 1.2,
+                color: const Color(0xFFE05C6B).withOpacity(0.8),
+                fontWeight: FontWeight.w600,
+              ),
             ),
-          ),
+            const SizedBox(height: 8),
+            SizedBox(
+              width: double.infinity,
+              child: OutlinedButton.icon(
+                onPressed: () => _confirmClearData(context, ref),
+                icon: const Icon(Icons.delete_forever, color: Color(0xFFE05C6B)),
+                label: Text(
+                  s.clearAllTransactions,
+                  style: const TextStyle(color: Color(0xFFE05C6B)),
+                ),
+                style: OutlinedButton.styleFrom(
+                  side: BorderSide(
+                    color: const Color(0xFFE05C6B).withOpacity(0.5),
+                  ),
+                  padding: const EdgeInsets.symmetric(vertical: 14),
+                  shape: RoundedRectangleBorder(
+                    borderRadius: BorderRadius.circular(12),
+                  ),
+                ),
+              ),
+            ),
+            const SizedBox(height: 40),
+            const _FooterWidget(),
+          ],
         ),
       ),
-      body: ListView(
-        physics: const ClampingScrollPhysics(),
-        padding: const EdgeInsets.fromLTRB(20, 16, 20, 40),
-        children: [
-          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 CurrencySection(),
-          const SizedBox(height: 16),
-          const AmountFormatSection(),
-          const SizedBox(height: 16),
-          const CategoriesSection(),
-          const SizedBox(height: 24),
-          Text(
-            s.dangerZone,
-            style: TextStyle(
-              fontSize: 12,
-              letterSpacing: 1.2,
-              color: const Color(0xFFE05C6B).withOpacity(0.8),
-              fontWeight: FontWeight.w600,
-            ),
-          ),
-          const SizedBox(height: 8),
-          SizedBox(
-            width: double.infinity,
-            child: OutlinedButton.icon(
-              onPressed: () => _confirmClearData(context, ref),
-              icon: const Icon(Icons.delete_forever, color: Color(0xFFE05C6B)),
-              label: Text(
-                s.clearAllTransactions,
-                style: const TextStyle(color: Color(0xFFE05C6B)),
-              ),
-              style: OutlinedButton.styleFrom(
-                side: BorderSide(
-                  color: const Color(0xFFE05C6B).withOpacity(0.5),
-                ),
-                padding: const EdgeInsets.symmetric(vertical: 14),
-                shape: RoundedRectangleBorder(
-                  borderRadius: BorderRadius.circular(12),
-                ),
-              ),
-            ),
-          ),
-          const SizedBox(height: 40),
-          const _FooterWidget(),
-        ],
-      ),
     );
   }
 }

lib/shared/services/exchange_rate_service.dart

@@ -97,6 +97,7 @@ class ExchangeRateService {
 
     final fromRate = currentRates[from] ?? 1.0;
     final toRate = currentRates[to] ?? 1.0;
+    if (fromRate == 0) return amount;
 
     final amountInUsd = amount / fromRate;
     return amountInUsd * toRate;

lib/shared/services/translation_service.dart

@@ -59,7 +59,7 @@ class TranslationService {
     for (final entry in _ruToEn.entries) entry.value.toLowerCase(): entry.key,
   };
 
-  String? _dictionaryLookup(String input, TranslateDirection direction) {
+  String? dictionaryLookup(String input, TranslateDirection direction) {
     final normalized = input.trim().toLowerCase();
     if (normalized.isEmpty) return null;
     final map = direction == TranslateDirection.ruToEn ? _ruToEn : _enToRu;
@@ -75,7 +75,7 @@ class TranslationService {
     final trimmed = input.trim();
     if (trimmed.isEmpty) return null;
 
-    final cached = _dictionaryLookup(trimmed, direction);
+    final cached = dictionaryLookup(trimmed, direction);
     if (cached != null) {
       return TranslationResult(cached, fromCache: true);
     }