update

lib/features/settings/provider.dart

@@ -5,6 +5,7 @@ import 'package:path_provider/path_provider.dart';
 import 'package:intl/intl.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import '../../shared/services/exchange_rate_service.dart';
+import '../../shared/utils/currency_utils.dart';
 import '../dashboard/provider.dart';
 
 final budgetProvider = StateNotifierProvider<BudgetNotifier, double?>((ref) {
@@ -124,7 +125,7 @@ class ExportService {
       final date = DateFormat('yyyy-MM-dd').format(tx.date);
       final type = tx.type.name;
       final category = tx.category;
-      final amount = '${tx.currency}${tx.amount.toStringAsFixed(2)}';
+      final amount = formatAmount(tx.currency, tx.amount);
       final note = tx.note?.replaceAll(',', ';') ?? '';
       buffer.writeln('$date,$type,$category,$amount,${tx.currencyCode},$note');
     }

lib/features/settings/screen.dart

@@ -4,6 +4,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
 import 'package:intl/intl.dart';
 import '../../core/constants.dart';
+import '../../shared/utils/currency_utils.dart';
 import 'provider.dart';
 
 class SettingsScreen extends ConsumerStatefulWidget {
@@ -196,7 +197,9 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen> {
                             FilteringTextInputFormatter.allow(RegExp(r'^\d+\.?\d{0,2}')),
                           ],
                           decoration: InputDecoration(
-                            prefixText: '${currencyInfo.symbol} ',
+                            prefixText: currencyInfo.symbol == 'Br' || currencyInfo.symbol == '₽'
+                                ? '${currencyInfo.symbol} '
+                                : currencyInfo.symbol,
                             hintText: '0.00',
                             helperText: 'Leave empty to remove budget limit',
                           ),
@@ -232,7 +235,7 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen> {
                       children: [
                         Text(
                           budget != null
-                              ? _currencyFmt.format(budget)
+                              ? formatAmount(currencyInfo.symbol, budget)
                               : 'Not set',
                           style: Theme.of(context).textTheme.headlineSmall?.copyWith(
                                 color: budget != null ? AppColors.accent : Theme.of(context).colorScheme.onSurface.withOpacity(0.6),