update

lib/features/settings/provider.dart

@@ -1,10 +1,12 @@
 import 'dart:io';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:intl/intl.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import '../../core/constants.dart';
+import '../../core/services/haptic_service.dart';
 import '../../shared/services/exchange_rate_service.dart';
 import '../../shared/utils/currency_utils.dart';
 import '../../shared/providers/amount_format_provider.dart';
@@ -103,6 +105,27 @@ final ratesInitProvider = FutureProvider<void>((ref) async {
   await ref.read(exchangeRateServiceProvider).fetchRates();
 });
 
+final hapticEnabledProvider = StateNotifierProvider<HapticNotifier, bool>((ref) {
+  return HapticNotifier();
+});
+
+class HapticNotifier extends StateNotifier<bool> {
+  HapticNotifier() : super(true) {
+    _load();
+  }
+
+  Future<void> _load() async {
+    state = HapticService.isEnabled;
+  }
+
+  Future<void> toggle(bool value) async {
+    await HapticService.setEnabled(value);
+    state = value;
+    // Give tactile confirmation when turning ON
+    if (value) HapticFeedback.mediumImpact();
+  }
+}
+
 final exportProvider = Provider<ExportService>((ref) {
   return ExportService(ref);
 });

lib/features/settings/screen.dart

@@ -5,6 +5,7 @@ import 'package:go_router/go_router.dart';
 import 'package:intl/intl.dart';
 import '../../core/constants.dart';
 import '../../core/services/biometric_service.dart';
+import '../../core/services/haptic_service.dart';
 import '../../shared/utils/currency_utils.dart';
 import '../../shared/providers/amount_format_provider.dart';
 import '../dashboard/provider.dart';
@@ -191,6 +192,64 @@ class _SettingsScreenState extends ConsumerState<SettingsScreen> {
             ),
             const SizedBox(height: 16),
 
+            Consumer(
+              builder: (context, ref, _) {
+                final enabled = ref.watch(hapticEnabledProvider);
+                final isDark = Theme.of(context).brightness == Brightness.dark;
+                return Container(
+                  padding: const EdgeInsets.all(20),
+                  decoration: BoxDecoration(
+                    color: Theme.of(context).colorScheme.surface,
+                    borderRadius: BorderRadius.circular(16),
+                    border: isDark ? null : Border.all(color: const Color(0xFFDDDDEE), width: 1),
+                  ),
+                  child: Row(
+                    children: [
+                      Container(
+                        padding: const EdgeInsets.all(10),
+                        decoration: BoxDecoration(
+                          color: AppColors.accent.withOpacity(0.15),
+                          borderRadius: BorderRadius.circular(12),
+                        ),
+                        child: const Icon(
+                          Icons.vibration_rounded,
+                          color: AppColors.accent,
+                          size: 20,
+                        ),
+                      ),
+                      const SizedBox(width: 12),
+                      Expanded(
+                        child: Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text(
+                              'Haptic Feedback',
+                              style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                                    fontWeight: FontWeight.w600,
+                                    color: Theme.of(context).colorScheme.onSurface,
+                                  ),
+                            ),
+                            Text(
+                              'Vibration on interactions',
+                              style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                                    color: Theme.of(context).colorScheme.onSurface.withOpacity(0.6),
+                                  ),
+                            ),
+                          ],
+                        ),
+                      ),
+                      Switch(
+                        value: enabled,
+                        onChanged: (val) => ref.read(hapticEnabledProvider.notifier).toggle(val),
+                        activeColor: const Color(0xFF7C6DED),
+                      ),
+                    ],
+                  ),
+                );
+              },
+            ),
+            const SizedBox(height: 16),
+
             const _BiometricSection(),
 
             Container(
@@ -584,6 +643,7 @@ class _BiometricSectionState extends State<_BiometricSection> {
     if (val) {
       final ok = await BiometricService.authenticate();
       if (!ok) return;
+      HapticService.light();
     }
     await BiometricService.setEnabled(val);
     if (mounted) setState(() => _enabled = val);