Update UI + Agora Call

walkguide-mobile/walkguide_app/android/app/build.gradle.kts

@@ -5,6 +5,10 @@ plugins {
     id("dev.flutter.flutter-gradle-plugin")
 }
 
+if (file("google-services.json").exists()) {
+    apply(plugin = "com.google.gms.google-services")
+}
+
 android {
     namespace = "com.example.walkguide_app"
     compileSdk = flutter.compileSdkVersion

walkguide-mobile/walkguide_app/android/gradle.properties

@@ -1,4 +1,7 @@
-org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
+org.gradle.jvmargs=-Xmx2G -XX:MaxMetaspaceSize=1G -XX:ReservedCodeCacheSize=256m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+org.gradle.workers.max=2
+org.gradle.parallel=false
+org.gradle.daemon=false
 android.useAndroidX=true
 android.enableJetifier=true
-kotlin.incremental=false
+kotlin.incremental=false

walkguide-mobile/walkguide_app/android/settings.gradle.kts

@@ -21,6 +21,7 @@ plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
     id("com.android.application") version "8.9.1" apply false
     id("org.jetbrains.kotlin.android") version "2.1.0" apply false
+    id("com.google.gms.google-services") version "4.4.2" apply false
 }
 
 include(":app")

walkguide-mobile/walkguide_app/lib/app/app.dart

@@ -4,13 +4,14 @@ import 'package:google_fonts/google_fonts.dart';
 
 import 'app_cubit.dart';
 import 'router.dart';
+import '../core/theme/app_colors.dart';
 
 class WalkGuideApp extends StatelessWidget {
   const WalkGuideApp({super.key});
 
   @override
   Widget build(BuildContext context) {
-    const seed = Color(0xFF1A56DB);
+    const seed = AppColors.primary;
 
     return BlocProvider(
       create: (_) => AppCubit(),
@@ -23,9 +24,15 @@ class WalkGuideApp extends StatelessWidget {
           colorScheme: ColorScheme.fromSeed(
             seedColor: seed,
             brightness: Brightness.light,
+            primary: seed,
+            secondary: AppColors.accent,
+            error: AppColors.danger,
+          ),
+          scaffoldBackgroundColor: AppColors.surface,
+          textTheme: GoogleFonts.interTextTheme().apply(
+            bodyColor: AppColors.text,
+            displayColor: AppColors.text,
           ),
-          scaffoldBackgroundColor: const Color(0xFFF4F7FB),
-          textTheme: GoogleFonts.interTextTheme(),
           pageTransitionsTheme: const PageTransitionsTheme(
             builders: {
               TargetPlatform.android: ZoomPageTransitionsBuilder(),
@@ -35,16 +42,41 @@ class WalkGuideApp extends StatelessWidget {
           ),
           appBarTheme: const AppBarTheme(
             centerTitle: false,
-            backgroundColor: Color(0xFFF4F7FB),
-            foregroundColor: Color(0xFF0F172A),
+            backgroundColor: AppColors.surface,
+            foregroundColor: AppColors.text,
             elevation: 0,
             surfaceTintColor: Colors.transparent,
           ),
+          cardTheme: CardThemeData(
+            elevation: 0,
+            color: AppColors.surfaceRaised,
+            surfaceTintColor: Colors.transparent,
+            shape: RoundedRectangleBorder(
+              borderRadius: BorderRadius.circular(8),
+              side: const BorderSide(color: AppColors.border),
+            ),
+          ),
+          dividerTheme: const DividerThemeData(
+            color: AppColors.border,
+            thickness: 1,
+            space: 1,
+          ),
+          iconButtonTheme: IconButtonThemeData(
+            style: IconButton.styleFrom(
+              foregroundColor: AppColors.text,
+              backgroundColor: Colors.white,
+              shape: RoundedRectangleBorder(
+                borderRadius: BorderRadius.circular(8),
+                side: const BorderSide(color: AppColors.border),
+              ),
+            ),
+          ),
           navigationBarTheme: NavigationBarThemeData(
             elevation: 0,
             height: 76,
-            backgroundColor: Colors.white.withValues(alpha: 0.96),
-            indicatorColor: const Color(0xFFE0E7FF),
+            backgroundColor: Colors.white,
+            indicatorColor: const Color(0xFFDDEAFE),
+            surfaceTintColor: Colors.transparent,
             labelTextStyle: WidgetStateProperty.resolveWith(
               (states) => TextStyle(
                 fontSize: 12,
@@ -61,7 +93,7 @@ class WalkGuideApp extends StatelessWidget {
               minimumSize: const Size(0, 50),
               textStyle: const TextStyle(fontWeight: FontWeight.w800),
               shape: RoundedRectangleBorder(
-                borderRadius: BorderRadius.circular(14),
+                borderRadius: BorderRadius.circular(10),
               ),
             ),
           ),
@@ -70,27 +102,38 @@ class WalkGuideApp extends StatelessWidget {
               minimumSize: const Size(0, 50),
               foregroundColor: seed,
               textStyle: const TextStyle(fontWeight: FontWeight.w800),
-              side: const BorderSide(color: Color(0xFFCBD5E1)),
+              side: const BorderSide(color: AppColors.border),
               shape: RoundedRectangleBorder(
-                borderRadius: BorderRadius.circular(14),
+                borderRadius: BorderRadius.circular(10),
               ),
             ),
           ),
+          snackBarTheme: SnackBarThemeData(
+            behavior: SnackBarBehavior.floating,
+            backgroundColor: AppColors.text,
+            contentTextStyle: GoogleFonts.inter(
+              color: Colors.white,
+              fontWeight: FontWeight.w600,
+            ),
+            shape: RoundedRectangleBorder(
+              borderRadius: BorderRadius.circular(8),
+            ),
+          ),
           inputDecorationTheme: InputDecorationTheme(
             filled: true,
-            fillColor: const Color(0xFFF8FAFC),
+            fillColor: Colors.white,
             contentPadding:
                 const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
             border: OutlineInputBorder(
-              borderRadius: BorderRadius.circular(16),
-              borderSide: const BorderSide(color: Color(0xFFE2E8F0)),
+              borderRadius: BorderRadius.circular(10),
+              borderSide: const BorderSide(color: AppColors.border),
             ),
             enabledBorder: OutlineInputBorder(
-              borderRadius: BorderRadius.circular(16),
-              borderSide: const BorderSide(color: Color(0xFFE2E8F0)),
+              borderRadius: BorderRadius.circular(10),
+              borderSide: const BorderSide(color: AppColors.border),
             ),
             focusedBorder: OutlineInputBorder(
-              borderRadius: BorderRadius.circular(16),
+              borderRadius: BorderRadius.circular(10),
               borderSide: const BorderSide(color: seed, width: 1.5),
             ),
           ),

walkguide-mobile/walkguide_app/lib/app/injection_container.dart

@@ -10,6 +10,7 @@ import '../core/services/haptic_service.dart';
 import '../core/services/call_service.dart';
 import '../core/services/fcm_service.dart';
 import '../core/services/hardware_shortcut_listener.dart';
+import '../core/services/incoming_call_polling_service.dart';
 import '../core/services/location_reporter_service.dart';
 import '../core/services/offline_queue_service.dart';
 import '../core/services/stt_service.dart';
@@ -39,17 +40,24 @@ Future<void> initDependencies() async {
   sl.registerLazySingleton<SttService>(() => SttService());
   sl.registerLazySingleton<HapticService>(() => HapticService());
   sl.registerLazySingleton<ObstacleAlertStrategy>(
-    () => TtsWithHapticObstacleAlertStrategy(sl<TtsService>(), sl<HapticService>()),
+    () => TtsWithHapticObstacleAlertStrategy(
+        sl<TtsService>(), sl<HapticService>()),
   );
   sl.registerLazySingleton<ObstacleAnalyzer>(() => ObstacleAnalyzer());
-  sl.registerLazySingleton<YoloDetector>(() => YoloDetector(sl<ObstacleAnalyzer>()));
+  sl.registerLazySingleton<YoloDetector>(
+      () => YoloDetector(sl<ObstacleAnalyzer>()));
   sl.registerLazySingleton<OfflineQueueService>(
     () => OfflineQueueService(sl<LocalDatabase>()),
   );
   sl.registerLazySingleton<FcmService>(() => FcmService(sl<ApiClient>()));
-  sl.registerLazySingleton<WebSocketService>(() => WebSocketService(sl<SecureStorage>()));
-  sl.registerLazySingleton<LocationReporterService>(() => LocationReporterService(sl<ApiClient>(), sl<OfflineQueueService>()));
+  sl.registerLazySingleton<WebSocketService>(
+      () => WebSocketService(sl<SecureStorage>()));
+  sl.registerLazySingleton<LocationReporterService>(() =>
+      LocationReporterService(sl<ApiClient>(), sl<OfflineQueueService>()));
   sl.registerLazySingleton<CallService>(() => CallService(sl<ApiClient>()));
+  sl.registerLazySingleton<IncomingCallPollingService>(
+    () => IncomingCallPollingService(sl<ApiClient>()),
+  );
   sl.registerLazySingleton<HardwareShortcutListener>(
     () => HardwareShortcutListener(sl<ApiClient>()),
   );
@@ -59,8 +67,10 @@ Future<void> initDependencies() async {
   sl.registerLazySingleton<WalkGuideRepository>(
     () => WalkGuideRepositoryImpl(sl<ApiClient>(), sl<OfflineQueueService>()),
   );
-  sl.registerFactory<WalkGuideCubit>(() => WalkGuideCubit(sl<WalkGuideRepository>()));
-  sl.registerLazySingleton<SosRepository>(() => SosRepositoryImpl(sl<ApiClient>()));
+  sl.registerFactory<WalkGuideCubit>(
+      () => WalkGuideCubit(sl<WalkGuideRepository>()));
+  sl.registerLazySingleton<SosRepository>(
+      () => SosRepositoryImpl(sl<ApiClient>()));
   sl.registerFactory<SosCubit>(() => SosCubit(sl<SosRepository>()));
   sl.registerLazySingleton<NotificationRepository>(
     () => NotificationRepositoryImpl(sl<ApiClient>(), sl<LocalDatabase>()),

walkguide-mobile/walkguide_app/lib/app/router.dart

@@ -29,7 +29,8 @@ import '../features/navigation_mode/presentation/screens/navigation_mode_screen.
     as nav;
 import '../features/notifications/presentation/screens/notification_screen.dart'
     as notifications;
-import '../features/pairing/presentation/screens/pairing_screens.dart' as pairing;
+import '../features/pairing/presentation/screens/pairing_screens.dart'
+    as pairing;
 import '../features/server_connect/server_connect_server.dart'
     as server_connect;
 import '../features/settings/presentation/screens/user_settings_screen.dart'
@@ -96,7 +97,17 @@ final GoRouter appRouter = GoRouter(
         builder: (_, __) => const auth_register.RegisterScreen()),
     GoRoute(
         path: '/incoming-call',
-        builder: (_, __) => const call.IncomingCallScreen()),
+        builder: (_, state) {
+          final extra = state.extra is Map
+              ? Map<String, dynamic>.from(state.extra as Map)
+              : <String, dynamic>{};
+          return call.IncomingCallScreen(
+            callerName: extra['callerName']?.toString() ?? 'Guardian',
+            callerId: int.tryParse(extra['callerId']?.toString() ?? ''),
+            channelName: extra['channelName']?.toString(),
+            agoraToken: extra['agoraToken']?.toString(),
+          );
+        }),
     ShellRoute(
       builder: (_, __, child) => UserShell(child: child),
       routes: [
@@ -161,6 +172,12 @@ final GoRouter appRouter = GoRouter(
             path: '/guardian/settings',
             builder: (_, __) =>
                 const guardian_settings.GuardianSettingsScreen()),
+        GoRoute(
+            path: '/guardian/call',
+            builder: (_, __) => const call.CallScreen(
+                  targetLabel: 'User',
+                  returnRoute: '/guardian/dashboard',
+                )),
         GoRoute(
             path: '/guardian/benchmark',
             builder: (_, __) => const benchmark.AiBenchmarkScreen()),

walkguide-mobile/walkguide_app/lib/core/constants/app_constants.dart

@@ -61,7 +61,7 @@ class AppConstants {
     await prefs.setString(_selectedYoloModelKey, path);
   }
 
-  // Agora App ID diisi saat build: --dart-define=AGORA_APP_ID=...
-  static const String agoraAppId =
-      String.fromEnvironment('AGORA_APP_ID', defaultValue: '');
+  // Agora App ID tetap bisa dioverride saat build: --dart-define=AGORA_APP_ID=...
+  static const String agoraAppId = String.fromEnvironment('AGORA_APP_ID',
+      defaultValue: 'e36c2b6592e34cfda1f6ea6432a5e68d');
 }

walkguide-mobile/walkguide_app/lib/core/errors/friendly_error.dart

@@ -71,6 +71,10 @@ bool _looksTechnical(String message) {
     'null check operator',
     'nosuchmethod',
     'formatexception',
+    'could not execute statement',
+    'duplicate key',
+    'constraint',
+    'sql [',
   ];
   return blocked.any(lower.contains);
 }

walkguide-mobile/walkguide_app/lib/core/services/call_service.dart

@@ -1,5 +1,8 @@
+import 'dart:async';
+
 import 'package:agora_rtc_engine/agora_rtc_engine.dart';
 import 'package:flutter/foundation.dart';
+import 'package:permission_handler/permission_handler.dart';
 
 import '../constants/app_constants.dart';
 import '../network/api_client.dart';
@@ -7,9 +10,19 @@ import '../network/api_client.dart';
 class CallService {
   final ApiClient _apiClient;
   RtcEngine? _engine;
+  VoidCallback? _onRemoteUserJoined;
+  VoidCallback? _onRemoteUserOffline;
 
   CallService(this._apiClient);
 
+  void setRemoteUserJoinedCallback(VoidCallback? callback) {
+    _onRemoteUserJoined = callback;
+  }
+
+  void setRemoteUserOfflineCallback(VoidCallback? callback) {
+    _onRemoteUserOffline = callback;
+  }
+
   Future<Map<String, dynamic>?> requestToken({required int receiverId}) async {
     final res = await _apiClient.dio.post(
       '/shared/call/token',
@@ -41,29 +54,83 @@ class CallService {
     });
   }
 
-  Future<bool> callPairedUser({int uid = 0}) async {
+  Future<Map<String, dynamic>?> startPairedCall({int uid = 0}) async {
     final receiverId = await getPairedReceiverId();
-    if (receiverId == null) return false;
+    if (receiverId == null) return null;
 
     final tokenData = await requestToken(receiverId: receiverId);
     final channelName = tokenData?['channelName']?.toString();
     final token = tokenData?['token']?.toString();
-    if (channelName == null || channelName.isEmpty) return false;
+    final localUid = (tokenData?['uid'] as num?)?.toInt() ?? uid;
+    if (channelName == null || channelName.isEmpty) return null;
 
     final joined = await joinChannel(
       channelName: channelName,
       token: token,
-      uid: uid,
+      uid: localUid,
     );
-    if (joined) {
-      await notifyIncomingCall(
-        receiverId: receiverId,
-        channelName: channelName,
-        agoraToken: token,
-        receiverUid: uid,
-      );
-    }
-    return joined;
+    if (!joined) return null;
+
+    await notifyIncomingCall(
+      receiverId: receiverId,
+      channelName: channelName,
+      agoraToken: token,
+      receiverUid: 0,
+    );
+
+    return {
+      'receiverId': receiverId,
+      'channelName': channelName,
+      'token': token,
+      'uid': localUid,
+    };
+  }
+
+  Future<bool> callPairedUser({int uid = 0}) async {
+    return await startPairedCall(uid: uid) != null;
+  }
+
+  Future<void> acceptIncomingCall({
+    required int callerId,
+    required String channelName,
+  }) async {
+    await _apiClient.dio.post('/shared/call/accept', data: {
+      'callerId': callerId.toString(),
+      'channelName': channelName,
+    });
+  }
+
+  Future<Map<String, dynamic>?> getAcceptedCall() async {
+    final res = await _apiClient.dio.get('/shared/call/accepted');
+    final data = res.data['data'];
+    return data is Map ? Map<String, dynamic>.from(data) : null;
+  }
+
+  Future<Map<String, dynamic>?> getCallState(String? channelName) async {
+    if (channelName == null || channelName.isEmpty) return null;
+    final res = await _apiClient.dio.get(
+      '/shared/call/state',
+      queryParameters: {'channelName': channelName},
+    );
+    final data = res.data['data'];
+    return data is Map ? Map<String, dynamic>.from(data) : null;
+  }
+
+  Future<void> clearAcceptedCall() async {
+    await _apiClient.dio.delete('/shared/call/accepted');
+  }
+
+  Future<void> clearPendingCall() async {
+    await _apiClient.dio.delete('/shared/call/pending');
+  }
+
+  Future<void> endCall(int? otherId, {String? channelName}) async {
+    if (otherId == null) return;
+    await _apiClient.dio.post('/shared/call/end', data: {
+      'otherId': otherId.toString(),
+      if (channelName != null && channelName.isNotEmpty)
+        'channelName': channelName,
+    });
   }
 
   Future<bool> joinChannel({
@@ -71,32 +138,94 @@ class CallService {
     String? token,
     int uid = 0,
   }) async {
+    final joinCompleter = Completer<bool>();
     try {
       if (AppConstants.agoraAppId.isEmpty) {
         debugPrint('Agora join skipped: AGORA_APP_ID is not configured');
         return false;
       }
+      if (!await _ensureMicrophonePermission()) {
+        debugPrint('Agora join skipped: microphone permission denied');
+        return false;
+      }
+
       _engine ??= createAgoraRtcEngine();
-      await _engine!.initialize(const RtcEngineContext(appId: AppConstants.agoraAppId));
+      await _engine!.initialize(
+        const RtcEngineContext(appId: AppConstants.agoraAppId),
+      );
+      _engine!.registerEventHandler(
+        RtcEngineEventHandler(
+          onJoinChannelSuccess: (_, __) {
+            if (!joinCompleter.isCompleted) joinCompleter.complete(true);
+          },
+          onUserJoined: (_, remoteUid, __) {
+            debugPrint('Agora remote user joined: $remoteUid');
+            _onRemoteUserJoined?.call();
+          },
+          onUserOffline: (_, remoteUid, reason) {
+            debugPrint('Agora remote user offline: $remoteUid $reason');
+            _onRemoteUserOffline?.call();
+          },
+          onError: (type, msg) {
+            debugPrint('Agora error: $type $msg');
+            if (!joinCompleter.isCompleted) joinCompleter.complete(false);
+          },
+        ),
+      );
+      await _engine!.setChannelProfile(
+        ChannelProfileType.channelProfileCommunication,
+      );
       await _engine!.enableAudio();
+      await _engine!.enableLocalAudio(true);
+      await _engine!.muteLocalAudioStream(false);
+      await _engine!.setEnableSpeakerphone(true);
       await _engine!.joinChannel(
         token: token ?? '',
         channelId: channelName,
         uid: uid,
-        options: const ChannelMediaOptions(),
+        options: const ChannelMediaOptions(
+          channelProfile: ChannelProfileType.channelProfileCommunication,
+          clientRoleType: ClientRoleType.clientRoleBroadcaster,
+          publishMicrophoneTrack: true,
+          autoSubscribeAudio: true,
+        ),
+      );
+      return joinCompleter.future.timeout(
+        const Duration(seconds: 10),
+        onTimeout: () {
+          debugPrint('Agora join timeout for channel $channelName');
+          return false;
+        },
       );
-      return true;
     } catch (e) {
       debugPrint('Agora join skipped: $e');
       return false;
     }
   }
 
+  Future<bool> _ensureMicrophonePermission() async {
+    if (kIsWeb) return true;
+    final status = await Permission.microphone.request();
+    return status.isGranted || status.isLimited;
+  }
+
+  Future<void> setMuted(bool muted) async {
+    await _engine?.muteLocalAudioStream(muted);
+  }
+
+  Future<void> setSpeakerEnabled(bool enabled) async {
+    await _engine?.setEnableSpeakerphone(enabled);
+  }
+
   Future<void> leave() async {
+    _onRemoteUserJoined = null;
+    _onRemoteUserOffline = null;
     await _engine?.leaveChannel();
   }
 
   Future<void> dispose() async {
+    _onRemoteUserJoined = null;
+    _onRemoteUserOffline = null;
     await _engine?.release();
     _engine = null;
   }

walkguide-mobile/walkguide_app/lib/core/services/fcm_service.dart

@@ -1,13 +1,17 @@
+import 'dart:convert';
+
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 
+import '../../app/router.dart';
 import '../network/api_client.dart';
 
 class FcmService {
   final ApiClient _apiClient;
   final FirebaseMessaging _messaging = FirebaseMessaging.instance;
-  final FlutterLocalNotificationsPlugin _localNotifications = FlutterLocalNotificationsPlugin();
+  final FlutterLocalNotificationsPlugin _localNotifications =
+      FlutterLocalNotificationsPlugin();
 
   FcmService(this._apiClient);
 
@@ -18,6 +22,14 @@ class FcmService {
         const InitializationSettings(
           android: AndroidInitializationSettings('@mipmap/ic_launcher'),
         ),
+        onDidReceiveNotificationResponse: (response) {
+          final payload = response.payload;
+          if (payload == null || payload.isEmpty) return;
+          try {
+            final data = Map<String, dynamic>.from(jsonDecode(payload) as Map);
+            _handlePayloadNavigation(data);
+          } catch (_) {}
+        },
       );
       await _messaging.requestPermission(alert: true, badge: true, sound: true);
       final token = await _messaging.getToken();
@@ -26,7 +38,16 @@ class FcmService {
       FirebaseMessaging.onMessage.listen((message) {
         debugPrint('FCM foreground: ${message.data}');
         _showLocalNotification(message);
+        _handlePayloadNavigation(message.data);
       });
+      FirebaseMessaging.onMessageOpenedApp.listen((message) {
+        _handlePayloadNavigation(message.data);
+      });
+      final initialMessage =
+          await FirebaseMessaging.instance.getInitialMessage();
+      if (initialMessage != null) {
+        _handlePayloadNavigation(initialMessage.data);
+      }
     } catch (e) {
       debugPrint('FCM init skipped: $e');
     }
@@ -42,8 +63,11 @@ class FcmService {
 
   Future<void> _showLocalNotification(RemoteMessage message) async {
     final notification = message.notification;
-    final title = notification?.title ?? message.data['title']?.toString() ?? 'WalkGuide';
-    final body = notification?.body ?? message.data['body']?.toString() ?? 'Ada update baru';
+    final title =
+        notification?.title ?? message.data['title']?.toString() ?? 'WalkGuide';
+    final body = notification?.body ??
+        message.data['body']?.toString() ??
+        'Ada update baru';
     await _localNotifications.show(
       DateTime.now().millisecondsSinceEpoch ~/ 1000,
       title,
@@ -57,7 +81,26 @@ class FcmService {
           priority: Priority.high,
         ),
       ),
-      payload: message.data['type']?.toString(),
+      payload: jsonEncode(message.data),
     );
   }
+
+  void _handlePayloadNavigation(Map<String, dynamic> data) {
+    final type = data['type']?.toString();
+    if (type == 'INCOMING_CALL') {
+      appRouter.go('/incoming-call', extra: data);
+      return;
+    }
+    if (type == 'SOS_ALERT') {
+      appRouter.go('/guardian/dashboard');
+      return;
+    }
+    if (type == 'PAIRING_INVITE' || type == 'PAIRING_RESPONSE') {
+      appRouter.go('/user/pairing');
+      return;
+    }
+    if (type == 'NOTIFICATION') {
+      appRouter.go('/user/notifications');
+    }
+  }
 }

walkguide-mobile/walkguide_app/lib/core/services/incoming_call_polling_service.dart

@@ -0,0 +1,45 @@
+import 'dart:async';
+
+import 'package:flutter/foundation.dart';
+
+import '../../app/router.dart';
+import '../network/api_client.dart';
+
+class IncomingCallPollingService {
+  IncomingCallPollingService(this._apiClient);
+
+  final ApiClient _apiClient;
+  Timer? _timer;
+  String? _lastChannel;
+
+  void start() {
+    if (_timer != null) return;
+    _timer = Timer.periodic(const Duration(seconds: 2), (_) => _check());
+    unawaited(_check());
+  }
+
+  void stop() {
+    _timer?.cancel();
+    _timer = null;
+    _lastChannel = null;
+  }
+
+  Future<void> _check() async {
+    try {
+      final res = await _apiClient.dio
+          .get('/shared/call/pending')
+          .timeout(const Duration(seconds: 3));
+      final data = res.data['data'];
+      if (data is! Map) return;
+      if (data['type']?.toString() != 'INCOMING_CALL') return;
+
+      final channel = data['channelName']?.toString();
+      if (channel == null || channel.isEmpty || channel == _lastChannel) return;
+      _lastChannel = channel;
+
+      appRouter.go('/incoming-call', extra: Map<String, dynamic>.from(data));
+    } catch (e) {
+      debugPrint('Incoming call polling skipped: $e');
+    }
+  }
+}

walkguide-mobile/walkguide_app/lib/core/services/websocket_service.dart

@@ -13,9 +13,9 @@ import '../storage/secure_storage.dart';
 /// Flutter connect pakai STOMP agar bisa subscribe ke topic spesifik per user.
 ///
 /// Subscriptions yang dipakai:
-///   Guardian  → /topic/location/{userId}    live GPS update
-///   Guardian  → /queue/sos/{guardianId}     SOS alert real-time
-///   User      → /queue/notif/{userId}       notifikasi dari Guardian
+///   Guardian  → /topic/location/{userId}    live GPS update
+///   Guardian  → /queue/sos/{guardianId}     SOS alert real-time
+///   User      → /queue/notif/{userId}       notifikasi dari Guardian
 class WebSocketService {
   final SecureStorage _storage;
 
@@ -26,11 +26,13 @@ class WebSocketService {
   void Function(double lat, double lng)? _onLocation;
   void Function(Map<String, dynamic> sosData)? _onSos;
   void Function(Map<String, dynamic> notifData)? _onNotif;
+  void Function(Map<String, dynamic> callData)? _onCall;
 
   // Subscription frames (untuk unsubscribe)
   StompUnsubscribe? _locationUnsub;
   StompUnsubscribe? _sosUnsub;
   StompUnsubscribe? _notifUnsub;
+  StompUnsubscribe? _callUnsub;
 
   WebSocketService(this._storage);
 
@@ -88,18 +90,18 @@ class WebSocketService {
       await completer.future.timeout(const Duration(seconds: 5));
     } catch (e) {
       debugPrint('[WS] Connect timeout/error: $e');
-      // Don't throw — let dashboard work without WS
+      // Don't throw — let dashboard work without WS
     }
   }
 
   /// Subscribe ke live GPS updates dari User.
   /// Guardian panggil ini setelah connect.
   /// [userId] = ID dari ROLE_USER yang dipair.
-  void subscribeLocation(String userId,
-      void Function(double lat, double lng) callback) {
+  void subscribeLocation(
+      String userId, void Function(double lat, double lng) callback) {
     _onLocation = callback;
     if (_client == null || !_connected) {
-      debugPrint('[WS] subscribeLocation skipped — not connected');
+      debugPrint('[WS] subscribeLocation skipped — not connected');
       return;
     }
     _locationUnsub?.call(); // unsubscribe sebelumnya jika ada
@@ -107,8 +109,7 @@ class WebSocketService {
       destination: '/topic/location/$userId',
       callback: (frame) {
         try {
-          final data =
-              jsonDecode(frame.body ?? '{}') as Map<String, dynamic>;
+          final data = jsonDecode(frame.body ?? '{}') as Map<String, dynamic>;
           final lat = (data['lat'] as num?)?.toDouble();
           final lng = (data['lng'] as num?)?.toDouble();
           if (lat != null && lng != null) {
@@ -135,8 +136,7 @@ class WebSocketService {
         destination: '/queue/sos/$guardianId',
         callback: (frame) {
           try {
-            final data =
-                jsonDecode(frame.body ?? '{}') as Map<String, dynamic>;
+            final data = jsonDecode(frame.body ?? '{}') as Map<String, dynamic>;
             _onSos?.call(data);
           } catch (e) {
             debugPrint('[WS] SOS parse error: $e');
@@ -147,7 +147,7 @@ class WebSocketService {
     });
   }
 
-  /// Subscribe ke notifikasi Guardian → User.
+  /// Subscribe ke notifikasi Guardian → User.
   /// [userId] = ID dari ROLE_USER yang login.
   void subscribeNotification(
       void Function(Map<String, dynamic> notifData) callback) {
@@ -161,8 +161,7 @@ class WebSocketService {
         destination: '/queue/notif/$userId',
         callback: (frame) {
           try {
-            final data =
-                jsonDecode(frame.body ?? '{}') as Map<String, dynamic>;
+            final data = jsonDecode(frame.body ?? '{}') as Map<String, dynamic>;
             _onNotif?.call(data);
           } catch (e) {
             debugPrint('[WS] Notif parse error: $e');
@@ -173,20 +172,46 @@ class WebSocketService {
     });
   }
 
+  /// Subscribe ke panggilan masuk realtime. Ini melengkapi FCM agar call tetap
+  /// masuk saat app foreground atau ketika FCM di app clone tidak stabil.
+  void subscribeCall(void Function(Map<String, dynamic> callData) callback) {
+    _onCall = callback;
+    if (_client == null || !_connected) return;
+
+    _storage.getUserId().then((userId) {
+      if (userId == null) return;
+      _callUnsub?.call();
+      _callUnsub = _client!.subscribe(
+        destination: '/queue/call/$userId',
+        callback: (frame) {
+          try {
+            final data = jsonDecode(frame.body ?? '{}') as Map<String, dynamic>;
+            _onCall?.call(data);
+          } catch (e) {
+            debugPrint('[WS] Call parse error: $e');
+          }
+        },
+      );
+      debugPrint('[WS] Subscribed to /queue/call/$userId');
+    });
+  }
+
   /// Disconnect dan cleanup semua subscriptions.
   Future<void> disconnect() async {
     _locationUnsub?.call();
     _sosUnsub?.call();
     _notifUnsub?.call();
+    _callUnsub?.call();
     _locationUnsub = null;
     _sosUnsub = null;
     _notifUnsub = null;
+    _callUnsub = null;
     _client?.deactivate();
     _client = null;
     _connected = false;
   }
 
-  // Legacy compat — lama pakai onMessage raw
+  // Legacy compat — lama pakai onMessage raw
   void send(Object message) {
     debugPrint('[WS] send() not used in STOMP mode. Use subscribe callbacks.');
   }

walkguide-mobile/walkguide_app/lib/core/theme/app_colors.dart

@@ -1,10 +1,15 @@
 import 'package:flutter/material.dart';
 
 class AppColors {
-  static const primary = Color(0xFF1A56DB);
+  static const primary = Color(0xFF2563EB);
+  static const primaryDark = Color(0xFF0F3EA8);
+  static const accent = Color(0xFF0891B2);
+  static const warning = Color(0xFFD97706);
   static const danger = Color(0xFFDC2626);
-  static const success = Color(0xFF16A34A);
-  static const surface = Color(0xFFF8FAFC);
+  static const success = Color(0xFF059669);
+  static const surface = Color(0xFFF7FAFC);
+  static const surfaceRaised = Color(0xFFFFFFFF);
   static const text = Color(0xFF0F172A);
   static const muted = Color(0xFF64748B);
+  static const border = Color(0xFFE2E8F0);
 }

walkguide-mobile/walkguide_app/lib/features/auth/login_screen.dart

@@ -8,10 +8,13 @@ import 'package:go_router/go_router.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import '../../app/app_cubit.dart';
+import '../../app/router.dart';
 import '../../app/injection_container.dart';
 import '../../core/constants/app_constants.dart';
 import '../../core/errors/friendly_error.dart';
 import '../../core/network/api_client.dart';
+import '../../core/services/fcm_service.dart';
+import '../../core/services/incoming_call_polling_service.dart';
 import '../../core/services/offline_queue_service.dart';
 import '../../core/services/tts_service.dart';
 import '../../core/services/websocket_service.dart';
@@ -225,7 +228,12 @@ class _AuthFrame extends StatelessWidget {
                                   width: 56,
                                   height: 56,
                                   decoration: BoxDecoration(
-                                    color: const Color(0xFF1D4ED8),
+                                    gradient: const LinearGradient(
+                                      colors: [
+                                        Color(0xFF2563EB),
+                                        Color(0xFF0891B2)
+                                      ],
+                                    ),
                                     borderRadius: BorderRadius.circular(18),
                                   ),
                                   child: const Icon(Icons.navigation_rounded,
@@ -244,7 +252,32 @@ class _AuthFrame extends StatelessWidget {
                                 ),
                               ],
                             ),
-                            const SizedBox(height: 22),
+                            const SizedBox(height: 16),
+                            Container(
+                              padding: const EdgeInsets.symmetric(
+                                  horizontal: 10, vertical: 6),
+                              decoration: BoxDecoration(
+                                color: const Color(0xFFEFF6FF),
+                                borderRadius: BorderRadius.circular(999),
+                              ),
+                              child: const Row(
+                                mainAxisSize: MainAxisSize.min,
+                                children: [
+                                  Icon(Icons.shield_outlined,
+                                      size: 14, color: Color(0xFF1D4ED8)),
+                                  SizedBox(width: 6),
+                                  Text(
+                                    'Secure Assistive Navigation',
+                                    style: TextStyle(
+                                      color: Color(0xFF1D4ED8),
+                                      fontSize: 11,
+                                      fontWeight: FontWeight.w800,
+                                    ),
+                                  ),
+                                ],
+                              ),
+                            ),
+                            const SizedBox(height: 18),
                             Text(
                               title,
                               style: Theme.of(context)
@@ -311,9 +344,16 @@ Future<void> _saveAuthAndRoute(
 
 void _startPostLoginServices(String serverUrl) {
   Future.microtask(() async {
-    await sl<WebSocketService>()
-        .connect(serverUrl)
-        .timeout(const Duration(seconds: 2));
+    sl<IncomingCallPollingService>().start();
+    await sl<FcmService>().init().timeout(const Duration(seconds: 4));
+    final ws = sl<WebSocketService>();
+    await ws.connect(serverUrl).timeout(const Duration(seconds: 2));
+    ws.subscribeCall((data) {
+      final type = data['type']?.toString();
+      if (type == 'INCOMING_CALL') {
+        appRouter.go('/incoming-call', extra: data);
+      }
+    });
     await sl<OfflineQueueService>()
         .syncPending(sl<ApiClient>())
         .timeout(const Duration(seconds: 3));

walkguide-mobile/walkguide_app/lib/features/auth/splash_screen.dart

@@ -5,6 +5,7 @@ import 'package:go_router/go_router.dart';
 
 import '../../app/injection_container.dart';
 import '../../core/errors/friendly_error.dart';
+import '../../core/services/incoming_call_polling_service.dart';
 import '../../core/storage/secure_storage.dart';
 
 // ---------------------------------------------------------------------------
@@ -70,6 +71,7 @@ class _SplashScreenState extends State<SplashScreen>
           return;
         }
 
+        sl<IncomingCallPollingService>().start();
         // Auto-login: arahkan ke home sesuai role.
         context.go(role == 'ROLE_GUARDIAN'
             ? '/guardian/dashboard'

walkguide-mobile/walkguide_app/lib/features/call/call_screen.dart

@@ -1,11 +1,4 @@
-// ignore_for_file: use_build_context_synchronously, prefer_const_constructors
-// lib/features/call/call_screen.dart
-//
-// CallScreen        — user memanggil Guardian via Agora
-// IncomingCallScreen — Guardian/User menerima panggilan masuk
-//
-// Keduanya pakai CallService yang sudah ada (agora_rtc_engine).
-
+// ignore_for_file: use_build_context_synchronously
 import 'dart:async';
 
 import 'package:flutter/material.dart';
@@ -15,18 +8,23 @@ import '../../app/injection_container.dart';
 import '../../core/services/call_service.dart';
 import '../../core/services/haptic_service.dart';
 import '../../core/services/tts_service.dart';
+import '../../core/storage/secure_storage.dart';
 
-// ─── Colours ─────────────────────────────────────────────────────────────────
 const _kBlue = Color(0xFF1A56DB);
 const _kGreen = Color(0xFF16A34A);
 const _kRed = Color(0xFFDC2626);
 const _kMuted = Color(0xFF64748B);
-const _kBg = Color(0xFF0F172A); // dark bg untuk call screen
-
-// ─── CallScreen ───────────────────────────────────────────────────────────────
+const _kBg = Color(0xFF0F172A);
 
 class CallScreen extends StatefulWidget {
-  const CallScreen({super.key});
+  final String targetLabel;
+  final String returnRoute;
+
+  const CallScreen({
+    super.key,
+    this.targetLabel = 'Guardian',
+    this.returnRoute = '/user/walkguide',
+  });
 
   @override
   State<CallScreen> createState() => _CallScreenState();
@@ -38,64 +36,153 @@ class _CallScreenState extends State<CallScreen>
   bool _muted = false;
   bool _speakerOn = true;
   int _secondsElapsed = 0;
+  int? _otherId;
+  String? _activeChannel;
   Timer? _timer;
+  Timer? _ringTimeout;
+  Timer? _acceptedPoll;
 
-  // animasi pulse saat ringing
-  late AnimationController _pulseCtrl;
-  late Animation<double> _pulseScale;
+  late final AnimationController _pulseCtrl = AnimationController(
+    vsync: this,
+    duration: const Duration(milliseconds: 1200),
+  )..repeat(reverse: true);
+  late final Animation<double> _pulseScale = Tween(begin: 0.95, end: 1.08)
+      .animate(CurvedAnimation(parent: _pulseCtrl, curve: Curves.easeInOut));
 
   @override
   void initState() {
     super.initState();
-    _pulseCtrl = AnimationController(
-      vsync: this,
-      duration: const Duration(milliseconds: 1200),
-    )..repeat(reverse: true);
-    _pulseScale = Tween(begin: 0.95, end: 1.08)
-        .animate(CurvedAnimation(parent: _pulseCtrl, curve: Curves.easeInOut));
-
-    sl<TtsService>().speak('Memanggil Guardian.');
-    _startCall();
+    sl<TtsService>().speak('Memanggil ${widget.targetLabel}.');
+    unawaited(_startCall());
   }
 
   Future<void> _startCall() async {
-    final joined = await sl<CallService>().callPairedUser();
+    final callService = sl<CallService>();
+    callService.setRemoteUserJoinedCallback(_markRemoteConnected);
+    callService.setRemoteUserOfflineCallback(() {
+      unawaited(_finishRemoteEnded());
+    });
 
-    if (!mounted) return;
+    try {
+      final invite = await callService.startPairedCall();
+      if (!mounted) return;
+      if (invite == null) {
+        _failCall('Panggilan gagal. Pastikan sudah pairing dan server aktif.');
+        return;
+      }
 
-    if (joined) {
-      setState(() => _phase = _CallPhase.connected);
-      sl<TtsService>().speak('Terhubung dengan Guardian.');
-      _pulseCtrl.stop();
-      _startTimer();
-    } else {
-      setState(() => _phase = _CallPhase.failed);
-      sl<TtsService>()
-          .speak('Panggilan gagal. Pastikan Agora sudah dikonfigurasi.');
+      _otherId = _asInt(invite['receiverId']);
+      _activeChannel = invite['channelName']?.toString();
+      setState(() => _phase = _CallPhase.calling);
+      sl<TtsService>().speak(
+        'Panggilan dikirim ke ${widget.targetLabel}. Menunggu jawaban.',
+      );
+      _startAcceptedPolling();
+      _ringTimeout?.cancel();
+      _ringTimeout = Timer(const Duration(seconds: 45), () {
+        if (!mounted || _phase == _CallPhase.connected) return;
+        _failCall('Panggilan tidak dijawab.');
+      });
+    } catch (_) {
+      if (!mounted) return;
+      _failCall('Panggilan gagal. Server tidak merespons.');
     }
   }
 
+  void _startAcceptedPolling() {
+    _acceptedPoll?.cancel();
+    _acceptedPoll = Timer.periodic(const Duration(seconds: 2), (_) async {
+      if (!mounted || _activeChannel == null) return;
+      try {
+        final state = await sl<CallService>()
+            .getCallState(_activeChannel)
+            .timeout(const Duration(seconds: 3));
+        final status = state?['status']?.toString();
+        if (status == 'ENDED') {
+          await _finishRemoteEnded();
+          return;
+        }
+        if (status == 'ACCEPTED') {
+          _markRemoteConnected();
+          return;
+        }
+
+        final accepted = await sl<CallService>()
+            .getAcceptedCall()
+            .timeout(const Duration(seconds: 3));
+        if (accepted?['type']?.toString() != 'CALL_ACCEPTED') return;
+        final channel = accepted?['channelName']?.toString();
+        if (_activeChannel != null &&
+            channel != null &&
+            channel.isNotEmpty &&
+            channel != _activeChannel) {
+          return;
+        }
+        _markRemoteConnected();
+      } catch (_) {
+        // Keep ringing; a short network hiccup should not cancel the call UI.
+      }
+    });
+  }
+
+  void _markRemoteConnected() {
+    if (!mounted || _phase == _CallPhase.connected) return;
+    _acceptedPoll?.cancel();
+    _ringTimeout?.cancel();
+    setState(() => _phase = _CallPhase.connected);
+    sl<TtsService>().speak('Terhubung dengan ${widget.targetLabel}.');
+    _pulseCtrl.stop();
+    _startTimer();
+  }
+
+  void _failCall(String message) {
+    _acceptedPoll?.cancel();
+    _ringTimeout?.cancel();
+    sl<CallService>().setRemoteUserJoinedCallback(null);
+    sl<CallService>().setRemoteUserOfflineCallback(null);
+    setState(() => _phase = _CallPhase.failed);
+    _pulseCtrl.stop();
+    sl<TtsService>().speak(message);
+  }
+
   void _startTimer() {
+    _timer?.cancel();
     _timer = Timer.periodic(const Duration(seconds: 1), (_) {
       if (mounted) setState(() => _secondsElapsed++);
     });
   }
 
+  Future<void> _finishRemoteEnded() async {
+    if (!mounted) return;
+    _timer?.cancel();
+    _ringTimeout?.cancel();
+    _acceptedPoll?.cancel();
+    await sl<CallService>().leave();
+    sl<TtsService>().speak('Panggilan diakhiri oleh lawan bicara.');
+    if (mounted) context.go(widget.returnRoute);
+  }
+
   Future<void> _endCall() async {
     _timer?.cancel();
-    await sl<CallService>().leave();
+    _ringTimeout?.cancel();
+    _acceptedPoll?.cancel();
+    final callService = sl<CallService>();
+    callService.setRemoteUserJoinedCallback(null);
+    callService.setRemoteUserOfflineCallback(null);
+    await callService.endCall(_otherId, channelName: _activeChannel);
+    await callService.leave();
     sl<TtsService>().speak('Panggilan diakhiri.');
-    if (mounted) context.go('/user/walkguide');
+    if (mounted) context.go(widget.returnRoute);
   }
 
   Future<void> _toggleMute() async {
     setState(() => _muted = !_muted);
-    // Agora engine mute via CallService jika ada — di sini cukup state lokal
-    // sl<CallService>().muteLocalAudio(_muted);
+    await sl<CallService>().setMuted(_muted);
   }
 
-  void _toggleSpeaker() {
+  Future<void> _toggleSpeaker() async {
     setState(() => _speakerOn = !_speakerOn);
+    await sl<CallService>().setSpeakerEnabled(_speakerOn);
   }
 
   String get _timerLabel {
@@ -107,183 +194,370 @@ class _CallScreenState extends State<CallScreen>
   @override
   void dispose() {
     _timer?.cancel();
+    _ringTimeout?.cancel();
+    _acceptedPoll?.cancel();
+    sl<CallService>().setRemoteUserJoinedCallback(null);
+    sl<CallService>().setRemoteUserOfflineCallback(null);
     _pulseCtrl.dispose();
     super.dispose();
   }
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
-      backgroundColor: _kBg,
-      body: SafeArea(
-        child: Column(
-          children: [
-            // ── top bar ──────────────────────────────────────────────────
-            Padding(
-              padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
-              child: Row(
-                children: [
-                  IconButton(
-                    onPressed: () => context.go('/user/walkguide'),
-                    icon: const Icon(Icons.arrow_back_ios_new,
-                        color: Colors.white54),
-                  ),
-                  const Expanded(
-                    child: Text('Panggilan',
-                        textAlign: TextAlign.center,
-                        style: TextStyle(
-                            color: Colors.white70,
-                            fontWeight: FontWeight.w600)),
-                  ),
-                  const SizedBox(width: 48), // balance
-                ],
-              ),
+    return _CallScaffold(
+      title: 'Panggilan',
+      child: Column(
+        children: [
+          const Spacer(),
+          AnimatedBuilder(
+            animation: _pulseCtrl,
+            builder: (_, child) => Transform.scale(
+              scale: _phase == _CallPhase.calling ? _pulseScale.value : 1.0,
+              child: child,
             ),
-
-            const Spacer(),
-
-            // ── avatar + name ────────────────────────────────────────────
-            AnimatedBuilder(
-              animation: _pulseCtrl,
-              builder: (_, child) => Transform.scale(
-                scale: _phase == _CallPhase.calling ? _pulseScale.value : 1.0,
-                child: child,
-              ),
-              child: Container(
-                width: 120,
-                height: 120,
-                decoration: BoxDecoration(
-                  shape: BoxShape.circle,
-                  color: _kBlue.withValues(alpha: 0.2),
-                  border: Border.all(color: _kBlue, width: 3),
-                ),
-                child: const Icon(Icons.shield_outlined,
-                    color: Colors.white, size: 56),
-              ),
+            child: _Avatar(
+              icon: Icons.shield_outlined,
+              color: _phase == _CallPhase.failed ? _kRed : _kBlue,
             ),
-
-            const SizedBox(height: 20),
-
-            const Text('Guardian',
-                style: TextStyle(
-                    color: Colors.white,
-                    fontSize: 26,
-                    fontWeight: FontWeight.w800)),
-
-            const SizedBox(height: 8),
-
-            _PhaseLabel(phase: _phase, timerLabel: _timerLabel),
-
-            const Spacer(),
-
-            // ── controls ─────────────────────────────────────────────────
-            if (_phase == _CallPhase.connected) ...[
-              Row(
-                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-                children: [
-                  _ControlButton(
-                    icon: _muted ? Icons.mic_off : Icons.mic,
-                    label: _muted ? 'Unmute' : 'Mute',
-                    onTap: _toggleMute,
-                    active: _muted,
-                  ),
-                  _ControlButton(
-                    icon: _speakerOn ? Icons.volume_up : Icons.volume_off,
-                    label: _speakerOn ? 'Speaker' : 'Earpiece',
-                    onTap: _toggleSpeaker,
-                    active: _speakerOn,
-                  ),
-                ],
-              ),
-              const SizedBox(height: 28),
-            ],
-
-            if (_phase == _CallPhase.failed) ...[
-              Padding(
-                padding: const EdgeInsets.symmetric(horizontal: 32),
-                child: Text(
-                  'Panggilan gagal.\nPastikan Agora App ID sudah diisi di app_constants.dart dan server backend aktif.',
-                  textAlign: TextAlign.center,
-                  style: const TextStyle(color: Colors.white54, height: 1.5),
+          ),
+          const SizedBox(height: 20),
+          Text(
+            widget.targetLabel,
+            style: const TextStyle(
+              color: Colors.white,
+              fontSize: 30,
+              fontWeight: FontWeight.w800,
+            ),
+          ),
+          const SizedBox(height: 8),
+          _PhaseLabel(phase: _phase, timerLabel: _timerLabel),
+          const Spacer(),
+          if (_phase == _CallPhase.connected) ...[
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+              children: [
+                _ControlButton(
+                  icon: _muted ? Icons.mic_off : Icons.mic,
+                  label: _muted ? 'Unmute' : 'Mute',
+                  onTap: _toggleMute,
+                  active: _muted,
                 ),
-              ),
-              const SizedBox(height: 24),
-            ],
-
-            // ── end call button ───────────────────────────────────────────
-            _EndCallButton(onTap: _endCall),
-
-            const SizedBox(height: 48),
+                _ControlButton(
+                  icon: _speakerOn ? Icons.volume_up : Icons.volume_off,
+                  label: _speakerOn ? 'Speaker' : 'Earpiece',
+                  onTap: _toggleSpeaker,
+                  active: _speakerOn,
+                ),
+              ],
+            ),
+            const SizedBox(height: 28),
           ],
-        ),
+          if (_phase == _CallPhase.failed) ...[
+            const Padding(
+              padding: EdgeInsets.symmetric(horizontal: 32),
+              child: Text(
+                'Panggilan belum tersambung. Pastikan device lawan login, paired, dan backend aktif.',
+                textAlign: TextAlign.center,
+                style: TextStyle(color: Colors.white54, height: 1.5),
+              ),
+            ),
+            const SizedBox(height: 24),
+          ],
+          _EndCallButton(onTap: _endCall),
+          const SizedBox(height: 48),
+        ],
       ),
     );
   }
 }
 
-// ─── IncomingCallScreen ───────────────────────────────────────────────────────
-
 class IncomingCallScreen extends StatefulWidget {
-  /// callerName bisa diisi dari FCM payload via extra go_router params.
-  /// Default 'Guardian' jika tidak ada.
   final String callerName;
-  const IncomingCallScreen({super.key, this.callerName = 'Guardian'});
+  final int? callerId;
+  final String? channelName;
+  final String? agoraToken;
+
+  const IncomingCallScreen({
+    super.key,
+    this.callerName = 'Guardian',
+    this.callerId,
+    this.channelName,
+    this.agoraToken,
+  });
 
   @override
   State<IncomingCallScreen> createState() => _IncomingCallScreenState();
 }
 
 class _IncomingCallScreenState extends State<IncomingCallScreen> {
-  static const _autoAnswerSeconds = 30;
-  int _countdown = _autoAnswerSeconds;
-  Timer? _autoTimer;
+  int _secondsElapsed = 0;
+  Timer? _callTimer;
+  Timer? _statePoll;
   bool _responding = false;
+  bool _connected = false;
+  bool _failed = false;
+  bool _muted = false;
+  bool _speakerOn = true;
+  String? _joinedChannel;
 
   @override
   void initState() {
     super.initState();
     sl<HapticService>().callIncoming();
     sl<TtsService>().speak('Panggilan masuk dari ${widget.callerName}.');
-
-    // auto-answer countdown
-    _autoTimer = Timer.periodic(const Duration(seconds: 1), (t) {
-      if (!mounted) {
-        t.cancel();
-        return;
-      }
-      setState(() => _countdown--);
-      if (_countdown <= 0) {
-        t.cancel();
-        _accept();
-      }
-    });
   }
 
   @override
   void dispose() {
-    _autoTimer?.cancel();
+    _callTimer?.cancel();
+    _statePoll?.cancel();
     super.dispose();
   }
 
   Future<void> _accept() async {
     if (_responding) return;
     setState(() => _responding = true);
-    _autoTimer?.cancel();
     sl<TtsService>().speak('Menerima panggilan.');
-    // Gabung ke channel yang sama (nama channel dari FCM payload — sementara hardcode)
-    await sl<CallService>().joinChannel(channelName: 'walkguide-call');
-    if (mounted) context.go('/user/call');
+
+    final joined = await _joinIncomingChannel();
+    if (!mounted) return;
+    if (!joined || _joinedChannel == null || widget.callerId == null) {
+      setState(() {
+        _failed = true;
+        _responding = false;
+      });
+      sl<TtsService>().speak('Panggilan gagal tersambung.');
+      return;
+    }
+
+    await sl<CallService>().acceptIncomingCall(
+      callerId: widget.callerId!,
+      channelName: _joinedChannel!,
+    );
+
+    setState(() {
+      _connected = true;
+      _responding = false;
+    });
+    _callTimer = Timer.periodic(const Duration(seconds: 1), (_) {
+      if (mounted) setState(() => _secondsElapsed++);
+    });
+    _startIncomingStatePolling();
+    sl<TtsService>().speak('Panggilan tersambung.');
+  }
+
+  void _startIncomingStatePolling() {
+    _statePoll?.cancel();
+    _statePoll = Timer.periodic(const Duration(seconds: 2), (_) async {
+      if (!mounted || _joinedChannel == null) return;
+      try {
+        final state = await sl<CallService>()
+            .getCallState(_joinedChannel)
+            .timeout(const Duration(seconds: 3));
+        if (state?['status']?.toString() == 'ENDED') {
+          await _finishIncomingRemoteEnded();
+        }
+      } catch (_) {}
+    });
+  }
+
+  Future<void> _finishIncomingRemoteEnded() async {
+    if (!mounted) return;
+    _callTimer?.cancel();
+    _statePoll?.cancel();
+    await sl<CallService>().leave();
+    sl<TtsService>().speak('Panggilan diakhiri oleh lawan bicara.');
+    if (mounted) context.go(await _homeRoute());
   }
 
   Future<void> _decline() async {
     if (_responding) return;
     setState(() => _responding = true);
-    _autoTimer?.cancel();
     sl<TtsService>().speak('Panggilan ditolak.');
+    sl<CallService>().setRemoteUserOfflineCallback(null);
+    await sl<CallService>()
+        .endCall(widget.callerId, channelName: widget.channelName);
+    await sl<CallService>().clearPendingCall();
     await sl<CallService>().leave();
-    if (mounted) context.go('/user/walkguide');
+    if (mounted) context.go(await _homeRoute());
   }
 
+  Future<bool> _joinIncomingChannel() async {
+    sl<CallService>().setRemoteUserOfflineCallback(() {
+      unawaited(_finishIncomingRemoteEnded());
+    });
+    if (widget.callerId != null) {
+      final tokenData =
+          await sl<CallService>().requestToken(receiverId: widget.callerId!);
+      final channelName = tokenData?['channelName']?.toString();
+      final token = tokenData?['token']?.toString();
+      final uid = (tokenData?['uid'] as num?)?.toInt() ?? 0;
+      if (channelName != null && channelName.isNotEmpty) {
+        _joinedChannel = channelName;
+        return sl<CallService>().joinChannel(
+          channelName: channelName,
+          token: token,
+          uid: uid,
+        );
+      }
+    }
+
+    final fallbackChannel = widget.channelName;
+    if (fallbackChannel == null || fallbackChannel.isEmpty) return false;
+    _joinedChannel = fallbackChannel;
+    return sl<CallService>().joinChannel(
+      channelName: fallbackChannel,
+      token: widget.agoraToken,
+    );
+  }
+
+  Future<void> _endConnectedCall() async {
+    _callTimer?.cancel();
+    _statePoll?.cancel();
+    sl<CallService>().setRemoteUserOfflineCallback(null);
+    await sl<CallService>()
+        .endCall(widget.callerId, channelName: _joinedChannel);
+    await sl<CallService>().leave();
+    sl<TtsService>().speak('Panggilan diakhiri.');
+    if (mounted) context.go(await _homeRoute());
+  }
+
+  Future<void> _toggleMute() async {
+    setState(() => _muted = !_muted);
+    await sl<CallService>().setMuted(_muted);
+  }
+
+  Future<void> _toggleSpeaker() async {
+    setState(() => _speakerOn = !_speakerOn);
+    await sl<CallService>().setSpeakerEnabled(_speakerOn);
+  }
+
+  Future<String> _homeRoute() async {
+    final role = await sl<SecureStorage>().getUserRole();
+    return role == 'ROLE_GUARDIAN' ? '/guardian/dashboard' : '/user/walkguide';
+  }
+
+  String get _timerLabel {
+    final m = (_secondsElapsed ~/ 60).toString().padLeft(2, '0');
+    final s = (_secondsElapsed % 60).toString().padLeft(2, '0');
+    return '$m:$s';
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (_connected) {
+      return _CallScaffold(
+        title: 'Terhubung',
+        child: Column(
+          children: [
+            const Spacer(),
+            const _Avatar(icon: Icons.call, color: _kGreen),
+            const SizedBox(height: 18),
+            Text(
+              widget.callerName,
+              style: const TextStyle(
+                color: Colors.white,
+                fontSize: 28,
+                fontWeight: FontWeight.w800,
+              ),
+            ),
+            const SizedBox(height: 8),
+            Text(
+              _timerLabel,
+              style: const TextStyle(
+                color: _kGreen,
+                fontSize: 22,
+                fontWeight: FontWeight.w700,
+              ),
+            ),
+            const Spacer(),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+              children: [
+                _ControlButton(
+                  icon: _muted ? Icons.mic_off : Icons.mic,
+                  label: _muted ? 'Unmute' : 'Mute',
+                  onTap: _toggleMute,
+                  active: _muted,
+                ),
+                _ControlButton(
+                  icon: _speakerOn ? Icons.volume_up : Icons.volume_off,
+                  label: _speakerOn ? 'Speaker' : 'Earpiece',
+                  onTap: _toggleSpeaker,
+                  active: _speakerOn,
+                ),
+              ],
+            ),
+            const SizedBox(height: 28),
+            _EndCallButton(onTap: _endConnectedCall),
+            const SizedBox(height: 56),
+          ],
+        ),
+      );
+    }
+
+    return _CallScaffold(
+      title: 'Panggilan Masuk',
+      child: Column(
+        children: [
+          const Spacer(),
+          const Icon(Icons.call_received, color: _kGreen, size: 48),
+          const SizedBox(height: 16),
+          const Text(
+            'Panggilan Masuk',
+            style: TextStyle(color: Colors.white54, fontSize: 14),
+          ),
+          const SizedBox(height: 8),
+          Text(
+            widget.callerName,
+            style: const TextStyle(
+              color: Colors.white,
+              fontSize: 28,
+              fontWeight: FontWeight.w800,
+            ),
+          ),
+          const SizedBox(height: 12),
+          Text(
+            _failed
+                ? 'Tidak bisa tersambung. Coba panggil ulang.'
+                : 'Tekan Terima untuk menyambungkan panggilan.',
+            style: TextStyle(color: _failed ? _kRed : Colors.white38),
+            textAlign: TextAlign.center,
+          ),
+          const Spacer(),
+          Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 48),
+            child: Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                _RoundCallButton(
+                  icon: Icons.call_end,
+                  color: _kRed,
+                  label: 'Tolak',
+                  onTap: _responding ? null : _decline,
+                ),
+                _RoundCallButton(
+                  icon: Icons.call,
+                  color: _kGreen,
+                  label: 'Terima',
+                  onTap: _responding ? null : _accept,
+                ),
+              ],
+            ),
+          ),
+          const SizedBox(height: 56),
+        ],
+      ),
+    );
+  }
+}
+
+class _CallScaffold extends StatelessWidget {
+  final String title;
+  final Widget child;
+
+  const _CallScaffold({required this.title, required this.child});
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -291,55 +565,26 @@ class _IncomingCallScreenState extends State<IncomingCallScreen> {
       body: SafeArea(
         child: Column(
           children: [
-            const Spacer(),
-
-            // ── caller info ───────────────────────────────────────────────
-            const Icon(Icons.call_received, color: _kGreen, size: 48),
-            const SizedBox(height: 16),
-            const Text('Panggilan Masuk',
-                style: TextStyle(color: Colors.white54, fontSize: 14)),
-            const SizedBox(height: 8),
-            Text(widget.callerName,
-                style: const TextStyle(
-                    color: Colors.white,
-                    fontSize: 28,
-                    fontWeight: FontWeight.w800)),
-
-            const SizedBox(height: 12),
-
-            // auto-answer countdown
-            Text(
-              'Auto-answer dalam $_countdown detik',
-              style: const TextStyle(color: Colors.white38, fontSize: 13),
-            ),
-
-            const Spacer(),
-
-            // ── accept / decline ──────────────────────────────────────────
             Padding(
-              padding: const EdgeInsets.symmetric(horizontal: 48),
+              padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
               child: Row(
-                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                 children: [
-                  // Decline
-                  _RoundCallButton(
-                    icon: Icons.call_end,
-                    color: _kRed,
-                    label: 'Tolak',
-                    onTap: _responding ? null : _decline,
-                  ),
-                  // Accept
-                  _RoundCallButton(
-                    icon: Icons.call,
-                    color: _kGreen,
-                    label: 'Terima',
-                    onTap: _responding ? null : _accept,
+                  const SizedBox(width: 48),
+                  Expanded(
+                    child: Text(
+                      title,
+                      textAlign: TextAlign.center,
+                      style: const TextStyle(
+                        color: Colors.white70,
+                        fontWeight: FontWeight.w600,
+                      ),
+                    ),
                   ),
+                  const SizedBox(width: 48),
                 ],
               ),
             ),
-
-            const SizedBox(height: 56),
+            Expanded(child: child),
           ],
         ),
       ),
@@ -347,42 +592,73 @@ class _IncomingCallScreenState extends State<IncomingCallScreen> {
   }
 }
 
-// ─── Sub-widgets ──────────────────────────────────────────────────────────────
-
 enum _CallPhase { calling, connected, failed }
 
 class _PhaseLabel extends StatelessWidget {
   final _CallPhase phase;
   final String timerLabel;
+
   const _PhaseLabel({required this.phase, required this.timerLabel});
 
   @override
   Widget build(BuildContext context) {
     switch (phase) {
       case _CallPhase.calling:
-        return const Text('Memanggil…',
-            style: TextStyle(color: _kMuted, fontSize: 16));
+        return const Text(
+          'Memanggil...',
+          style: TextStyle(color: _kMuted, fontSize: 16),
+        );
       case _CallPhase.connected:
-        return Text(timerLabel,
-            style: const TextStyle(
-                color: _kGreen, fontSize: 22, fontWeight: FontWeight.w700));
+        return Text(
+          timerLabel,
+          style: const TextStyle(
+            color: _kGreen,
+            fontSize: 22,
+            fontWeight: FontWeight.w700,
+          ),
+        );
       case _CallPhase.failed:
-        return const Text('Panggilan gagal',
-            style: TextStyle(color: _kRed, fontSize: 16));
+        return const Text(
+          'Panggilan gagal',
+          style: TextStyle(color: _kRed, fontSize: 16),
+        );
     }
   }
 }
 
+class _Avatar extends StatelessWidget {
+  final IconData icon;
+  final Color color;
+
+  const _Avatar({required this.icon, required this.color});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      width: 124,
+      height: 124,
+      decoration: BoxDecoration(
+        shape: BoxShape.circle,
+        color: color.withValues(alpha: 0.2),
+        border: Border.all(color: color, width: 3),
+      ),
+      child: Icon(icon, color: Colors.white, size: 56),
+    );
+  }
+}
+
 class _ControlButton extends StatelessWidget {
   final IconData icon;
   final String label;
   final VoidCallback onTap;
   final bool active;
-  const _ControlButton(
-      {required this.icon,
-      required this.label,
-      required this.onTap,
-      this.active = false});
+
+  const _ControlButton({
+    required this.icon,
+    required this.label,
+    required this.onTap,
+    this.active = false,
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -402,8 +678,7 @@ class _ControlButton extends StatelessWidget {
             child: Icon(icon, color: Colors.white, size: 28),
           ),
           const SizedBox(height: 6),
-          Text(label,
-              style: const TextStyle(color: Colors.white54, fontSize: 12)),
+          Text(label, style: const TextStyle(color: Colors.white54)),
         ],
       ),
     );
@@ -412,6 +687,7 @@ class _ControlButton extends StatelessWidget {
 
 class _EndCallButton extends StatelessWidget {
   final VoidCallback onTap;
+
   const _EndCallButton({required this.onTap});
 
   @override
@@ -421,17 +697,14 @@ class _EndCallButton extends StatelessWidget {
       child: Column(
         children: [
           Container(
-            width: 72,
-            height: 72,
-            decoration: const BoxDecoration(
-              shape: BoxShape.circle,
-              color: _kRed,
-            ),
+            width: 74,
+            height: 74,
+            decoration:
+                const BoxDecoration(shape: BoxShape.circle, color: _kRed),
             child: const Icon(Icons.call_end, color: Colors.white, size: 32),
           ),
           const SizedBox(height: 6),
-          const Text('Akhiri',
-              style: TextStyle(color: Colors.white54, fontSize: 12)),
+          const Text('Akhiri', style: TextStyle(color: Colors.white54)),
         ],
       ),
     );
@@ -443,32 +716,38 @@ class _RoundCallButton extends StatelessWidget {
   final Color color;
   final String label;
   final VoidCallback? onTap;
-  const _RoundCallButton(
-      {required this.icon,
-      required this.color,
-      required this.label,
-      this.onTap});
+
+  const _RoundCallButton({
+    required this.icon,
+    required this.color,
+    required this.label,
+    this.onTap,
+  });
 
   @override
   Widget build(BuildContext context) {
     return GestureDetector(
       onTap: onTap,
       child: Opacity(
-        opacity: onTap == null ? 0.4 : 1.0,
+        opacity: onTap == null ? 0.4 : 1,
         child: Column(
           children: [
             Container(
-              width: 72,
-              height: 72,
+              width: 74,
+              height: 74,
               decoration: BoxDecoration(shape: BoxShape.circle, color: color),
               child: Icon(icon, color: Colors.white, size: 32),
             ),
             const SizedBox(height: 8),
-            Text(label,
-                style: const TextStyle(color: Colors.white70, fontSize: 13)),
+            Text(label, style: const TextStyle(color: Colors.white70)),
           ],
         ),
       ),
     );
   }
 }
+
+int? _asInt(dynamic value) {
+  if (value is num) return value.toInt();
+  return int.tryParse(value?.toString() ?? '');
+}

walkguide-mobile/walkguide_app/lib/features/pairing/pairing_screens.dart

@@ -345,25 +345,58 @@ class _PairingStatusCardState extends State<_PairingStatusCard> {
   @override
   Widget build(BuildContext context) {
     final pending = _data?['status'] == 'PENDING';
+    final cardColor = _active
+        ? const Color(0xFFF0FDF4)
+        : pending
+            ? const Color(0xFFEFF6FF)
+            : const Color(0xFFFFFBEB);
+    final accent = _active
+        ? const Color(0xFF059669)
+        : pending
+            ? const Color(0xFF2563EB)
+            : const Color(0xFFD97706);
     return Container(
-      padding: const EdgeInsets.all(16),
+      padding: const EdgeInsets.all(18),
       decoration: BoxDecoration(
-        color: _active ? const Color(0xFFF0FDF4) : const Color(0xFFFFFBEB),
-        borderRadius: BorderRadius.circular(12),
-        border: Border.all(
-            color: _active ? const Color(0xFFBBF7D0) : const Color(0xFFFDE68A)),
+        color: cardColor,
+        borderRadius: BorderRadius.circular(22),
+        border: Border.all(color: accent.withValues(alpha: 0.28)),
+        boxShadow: [
+          BoxShadow(
+            color: accent.withValues(alpha: 0.10),
+            blurRadius: 24,
+            offset: const Offset(0, 12),
+          ),
+        ],
       ),
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.stretch,
         children: [
           Row(
             children: [
-              Icon(_active ? Icons.link : Icons.info_outline,
-                  color: _active
-                      ? const Color(0xFF16A34A)
-                      : const Color(0xFFD97706)),
+              Container(
+                width: 42,
+                height: 42,
+                decoration: BoxDecoration(
+                  color: accent.withValues(alpha: 0.12),
+                  borderRadius: BorderRadius.circular(12),
+                ),
+                child: Icon(
+                    _active
+                        ? Icons.verified_user_outlined
+                        : pending
+                            ? Icons.mark_email_unread_outlined
+                            : Icons.info_outline,
+                    color: accent),
+              ),
               const SizedBox(width: 12),
-              Expanded(child: Text(_status)),
+              Expanded(
+                child: Text(_status,
+                    style: const TextStyle(
+                        color: Color(0xFF0F172A),
+                        fontWeight: FontWeight.w700,
+                        height: 1.25)),
+              ),
               IconButton(
                   onPressed: _loading ? null : _load,
                   icon: _loading
@@ -427,33 +460,84 @@ class _Page extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return SafeArea(
-      child: Padding(
-        padding: const EdgeInsets.all(16),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Row(
-              children: [
-                Expanded(
-                  child: Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
+      child: DecoratedBox(
+        decoration: const BoxDecoration(
+          gradient: LinearGradient(
+            begin: Alignment.topCenter,
+            end: Alignment.bottomCenter,
+            colors: [Color(0xFFF8FAFC), Color(0xFFEFF6FF)],
+          ),
+        ),
+        child: Padding(
+          padding: const EdgeInsets.fromLTRB(16, 14, 16, 16),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              TweenAnimationBuilder<double>(
+                tween: Tween(begin: 14, end: 0),
+                duration: const Duration(milliseconds: 360),
+                curve: Curves.easeOutCubic,
+                builder: (_, offset, child) => Opacity(
+                  opacity: (1 - offset / 14).clamp(0.0, 1.0),
+                  child: Transform.translate(
+                      offset: Offset(0, offset), child: child),
+                ),
+                child: Container(
+                  width: double.infinity,
+                  padding: const EdgeInsets.all(18),
+                  decoration: BoxDecoration(
+                    color: const Color(0xFF0F172A),
+                    borderRadius: BorderRadius.circular(24),
+                    boxShadow: [
+                      BoxShadow(
+                        color: const Color(0xFF0F172A).withValues(alpha: 0.18),
+                        blurRadius: 28,
+                        offset: const Offset(0, 14),
+                      ),
+                    ],
+                  ),
+                  child: Row(
                     children: [
-                      Text(title,
-                          style: Theme.of(context)
-                              .textTheme
-                              .headlineSmall
-                              ?.copyWith(fontWeight: FontWeight.w800)),
-                      if (subtitle != null)
-                        Text(subtitle!,
-                            style: const TextStyle(color: Color(0xFF64748B))),
+                      Container(
+                        width: 52,
+                        height: 52,
+                        decoration: BoxDecoration(
+                          color:
+                              const Color(0xFF38BDF8).withValues(alpha: 0.16),
+                          borderRadius: BorderRadius.circular(16),
+                          border: Border.all(color: const Color(0xFF38BDF8)),
+                        ),
+                        child: const Icon(Icons.hub_outlined,
+                            color: Color(0xFFBAE6FD), size: 28),
+                      ),
+                      const SizedBox(width: 14),
+                      Expanded(
+                        child: Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text(title,
+                                style: Theme.of(context)
+                                    .textTheme
+                                    .headlineSmall
+                                    ?.copyWith(
+                                      fontWeight: FontWeight.w900,
+                                      color: Colors.white,
+                                    )),
+                            if (subtitle != null)
+                              Text(subtitle!,
+                                  style: const TextStyle(
+                                      color: Color(0xFFCBD5E1), height: 1.25)),
+                          ],
+                        ),
+                      ),
                     ],
                   ),
                 ),
-              ],
-            ),
-            const SizedBox(height: 16),
-            Expanded(child: child),
-          ],
+              ),
+              const SizedBox(height: 16),
+              Expanded(child: child),
+            ],
+          ),
         ),
       ),
     );
@@ -474,24 +558,47 @@ class _InfoCard extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Container(
-      padding: const EdgeInsets.all(16),
+      padding: const EdgeInsets.all(18),
       decoration: BoxDecoration(
-          color: const Color(0xFFEFF6FF),
-          borderRadius: BorderRadius.circular(12)),
+        color: Colors.white,
+        borderRadius: BorderRadius.circular(22),
+        border: Border.all(color: const Color(0xFFDDEAFE)),
+        boxShadow: [
+          BoxShadow(
+            color: const Color(0xFF2563EB).withValues(alpha: 0.10),
+            blurRadius: 24,
+            offset: const Offset(0, 12),
+          ),
+        ],
+      ),
       child: Row(
         children: [
-          Icon(icon, color: const Color(0xFF1A56DB)),
-          const SizedBox(width: 12),
+          Container(
+            width: 48,
+            height: 48,
+            decoration: BoxDecoration(
+              color: const Color(0xFFEFF6FF),
+              borderRadius: BorderRadius.circular(14),
+            ),
+            child: Icon(icon, color: const Color(0xFF2563EB)),
+          ),
+          const SizedBox(width: 14),
           Expanded(
               child: Column(
                   crossAxisAlignment: CrossAxisAlignment.start,
                   children: [
-                Text(title),
+                Text(title,
+                    style: const TextStyle(
+                        color: Color(0xFF64748B), fontWeight: FontWeight.w700)),
                 SelectableText(value,
                     style: const TextStyle(
-                        fontSize: 22, fontWeight: FontWeight.w800)),
+                        fontSize: 25,
+                        height: 1.1,
+                        letterSpacing: 1.2,
+                        fontWeight: FontWeight.w900,
+                        color: Color(0xFF0F172A))),
                 if (helper != null) ...[
-                  const SizedBox(height: 4),
+                  const SizedBox(height: 6),
                   Text(helper!,
                       style: const TextStyle(
                           color: Color(0xFF64748B), fontSize: 12)),

walkguide-mobile/walkguide_app/lib/features/server_connect/server_connect_server.dart

@@ -9,16 +9,6 @@ import '../../core/constants/app_constants.dart';
 import '../../core/errors/friendly_error.dart';
 import '../../core/network/api_client.dart';
 
-// ---------------------------------------------------------------------------
-// ServerConnectScreen
-// ---------------------------------------------------------------------------
-//
-// Gerbang pertama aplikasi.
-// Muncul HANYA jika SharedPreferences tidak punya serverUrl tersimpan.
-// Setelah berhasil connect, tidak akan muncul lagi kecuali user reset via
-// Settings → "Change Server".
-// ---------------------------------------------------------------------------
-
 class ServerConnectScreen extends StatefulWidget {
   const ServerConnectScreen({super.key});
 
@@ -27,11 +17,17 @@ class ServerConnectScreen extends StatefulWidget {
 }
 
 class _ServerConnectScreenState extends State<ServerConnectScreen> {
-  final _url = TextEditingController();
+  final _url = TextEditingController(text: 'http://127.0.0.1:8080');
   bool _loading = false;
   bool _ok = false;
   String? _message;
 
+  @override
+  void dispose() {
+    _url.dispose();
+    super.dispose();
+  }
+
   Future<void> _test() async {
     setState(() {
       _loading = true;
@@ -47,8 +43,8 @@ class _ServerConnectScreenState extends State<ServerConnectScreen> {
         )).get('$clean/api/v1/auth/ping');
         _ok = res.statusCode == 200 && res.data['success'] == true;
         _message = _ok
-            ? 'Server aktif dan siap dipakai.'
-            : 'Server merespons dengan format tidak valid.';
+            ? 'Server aktif. WalkGuide siap tersambung.'
+            : 'Server merespons, tetapi format ping tidak valid.';
       },
       onError: (message) => _message = message,
       fallback: 'Tidak bisa terhubung. Periksa URL dan jaringan.',
@@ -63,49 +59,219 @@ class _ServerConnectScreenState extends State<ServerConnectScreen> {
     if (mounted) context.go('/splash');
   }
 
+  void _useUsbUrl() => setState(() => _url.text = 'http://127.0.0.1:8080');
+
   @override
   Widget build(BuildContext context) {
-    return _AuthFrame(
-      title: 'Connect to Server',
-      subtitle: 'Masukkan URL backend WalkGuide yang diberikan dosen.',
-      child: Column(
-        crossAxisAlignment: CrossAxisAlignment.stretch,
+    return Scaffold(
+      backgroundColor: const Color(0xFFF5F8FC),
+      body: Stack(
         children: [
-          TextField(
-              controller: _url,
-              keyboardType: TextInputType.url,
-              decoration: const InputDecoration(
-                labelText: 'Server URL',
-                hintText: 'http://server-ip:8080',
-                prefixIcon: Icon(Icons.dns_outlined),
-              )),
-          const SizedBox(height: 12),
-          OutlinedButton.icon(
-            onPressed: _loading ? null : _test,
-            icon: _loading
-                ? const SizedBox(
-                    width: 18,
-                    height: 18,
-                    child: CircularProgressIndicator(strokeWidth: 2))
-                : const Icon(Icons.wifi_tethering),
-            label: const Text('Test Connection'),
+          const Positioned.fill(
+            child: DecoratedBox(
+              decoration: BoxDecoration(
+                gradient: LinearGradient(
+                  begin: Alignment.topLeft,
+                  end: Alignment.bottomRight,
+                  colors: [
+                    Color(0xFF071226),
+                    Color(0xFF123D6B),
+                    Color(0xFFF7FAFC)
+                  ],
+                  stops: [0, 0.42, 1],
+                ),
+              ),
+            ),
           ),
-          if (_message != null) ...[
-            const SizedBox(height: 12),
-            _StatusBox(success: _ok, message: _message!),
-          ],
-          if (_ok) ...[
-            const SizedBox(height: 12),
-            FilledButton.icon(
-                onPressed: _continue,
-                icon: const Icon(Icons.arrow_forward),
-                label: const Text('Continue')),
-          ],
-          const SizedBox(height: 24),
-          const Center(
-            child: Text(
-              'v1.0.0 | For Testing Purposes Only',
-              style: TextStyle(fontSize: 11, color: Color(0xFF94A3B8)),
+          const Positioned(
+            top: -80,
+            right: -70,
+            child: _GlowBlob(size: 250, color: Color(0xFF38BDF8)),
+          ),
+          const Positioned(
+            bottom: -90,
+            left: -80,
+            child: _GlowBlob(size: 260, color: Color(0xFF22C55E)),
+          ),
+          SafeArea(
+            child: LayoutBuilder(
+              builder: (context, constraints) {
+                final compact = constraints.maxWidth < 390;
+                return SingleChildScrollView(
+                  padding: EdgeInsets.fromLTRB(20, compact ? 20 : 36, 20, 24),
+                  child: Center(
+                    child: ConstrainedBox(
+                      constraints: const BoxConstraints(maxWidth: 460),
+                      child: TweenAnimationBuilder<double>(
+                        tween: Tween(begin: 18, end: 0),
+                        duration: const Duration(milliseconds: 520),
+                        curve: Curves.easeOutCubic,
+                        builder: (_, y, child) => Opacity(
+                          opacity: (1 - y / 18).clamp(0, 1),
+                          child: Transform.translate(
+                              offset: Offset(0, y), child: child),
+                        ),
+                        child: Container(
+                          decoration: BoxDecoration(
+                            color: Colors.white.withValues(alpha: 0.96),
+                            borderRadius: BorderRadius.circular(28),
+                            border: Border.all(
+                                color: Colors.white.withValues(alpha: 0.7)),
+                            boxShadow: [
+                              BoxShadow(
+                                color: Colors.black.withValues(alpha: 0.18),
+                                blurRadius: 34,
+                                offset: const Offset(0, 22),
+                              ),
+                            ],
+                          ),
+                          child: ClipRRect(
+                            borderRadius: BorderRadius.circular(28),
+                            child: Column(
+                              crossAxisAlignment: CrossAxisAlignment.stretch,
+                              children: [
+                                Container(
+                                  padding:
+                                      const EdgeInsets.fromLTRB(22, 22, 22, 20),
+                                  decoration: const BoxDecoration(
+                                    color: Color(0xFF071226),
+                                  ),
+                                  child: Column(
+                                    crossAxisAlignment:
+                                        CrossAxisAlignment.start,
+                                    children: [
+                                      Row(
+                                        children: [
+                                          Container(
+                                            width: 48,
+                                            height: 48,
+                                            decoration: BoxDecoration(
+                                              color: const Color(0xFF2563EB),
+                                              borderRadius:
+                                                  BorderRadius.circular(16),
+                                            ),
+                                            child: const Icon(
+                                                Icons.navigation_rounded,
+                                                color: Colors.white,
+                                                size: 28),
+                                          ),
+                                          const SizedBox(width: 12),
+                                          const Expanded(
+                                            child: Text(
+                                              'WalkGuide Link',
+                                              style: TextStyle(
+                                                color: Colors.white,
+                                                fontSize: 20,
+                                                fontWeight: FontWeight.w900,
+                                              ),
+                                            ),
+                                          ),
+                                        ],
+                                      ),
+                                      const SizedBox(height: 18),
+                                      const Text(
+                                        'Connect to Server',
+                                        style: TextStyle(
+                                          color: Colors.white,
+                                          fontSize: 30,
+                                          fontWeight: FontWeight.w900,
+                                          height: 1,
+                                        ),
+                                      ),
+                                      const SizedBox(height: 8),
+                                      Text(
+                                        'Sambungkan app HP ke backend Spring Boot yang sedang berjalan di laptop.',
+                                        style: TextStyle(
+                                          color: Colors.white
+                                              .withValues(alpha: 0.72),
+                                          height: 1.35,
+                                        ),
+                                      ),
+                                    ],
+                                  ),
+                                ),
+                                Padding(
+                                  padding: const EdgeInsets.all(22),
+                                  child: Column(
+                                    crossAxisAlignment:
+                                        CrossAxisAlignment.stretch,
+                                    children: [
+                                      TextField(
+                                        controller: _url,
+                                        keyboardType: TextInputType.url,
+                                        textInputAction: TextInputAction.done,
+                                        onSubmitted: (_) => _test(),
+                                        decoration: const InputDecoration(
+                                          labelText: 'Server URL',
+                                          hintText: 'http://127.0.0.1:8080',
+                                          prefixIcon: Icon(Icons.dns_outlined),
+                                        ),
+                                      ),
+                                      const SizedBox(height: 10),
+                                      Wrap(
+                                        spacing: 8,
+                                        runSpacing: 8,
+                                        children: [
+                                          _HintChip(
+                                            icon: Icons.usb_outlined,
+                                            label: 'USB: 127.0.0.1',
+                                            onTap: _useUsbUrl,
+                                          ),
+                                          const _HintChip(
+                                            icon: Icons.wifi_tethering_outlined,
+                                            label: 'Wi-Fi: IP laptop',
+                                          ),
+                                        ],
+                                      ),
+                                      const SizedBox(height: 16),
+                                      OutlinedButton.icon(
+                                        onPressed: _loading ? null : _test,
+                                        icon: _loading
+                                            ? const SizedBox(
+                                                width: 18,
+                                                height: 18,
+                                                child:
+                                                    CircularProgressIndicator(
+                                                        strokeWidth: 2),
+                                              )
+                                            : const Icon(Icons.radar_outlined),
+                                        label: const Text('Test Connection'),
+                                      ),
+                                      if (_message != null) ...[
+                                        const SizedBox(height: 12),
+                                        _StatusBox(
+                                            success: _ok, message: _message!),
+                                      ],
+                                      if (_ok) ...[
+                                        const SizedBox(height: 12),
+                                        FilledButton.icon(
+                                          onPressed: _continue,
+                                          icon: const Icon(
+                                              Icons.arrow_forward_rounded),
+                                          label: const Text('Continue'),
+                                        ),
+                                      ],
+                                      const SizedBox(height: 18),
+                                      const Center(
+                                        child: Text(
+                                          'v1.0.0 | Spring Boot + Flutter',
+                                          style: TextStyle(
+                                              fontSize: 11,
+                                              color: Color(0xFF94A3B8)),
+                                        ),
+                                      ),
+                                    ],
+                                  ),
+                                ),
+                              ],
+                            ),
+                          ),
+                        ),
+                      ),
+                    ),
+                  ),
+                );
+              },
             ),
           ),
         ],
@@ -114,55 +280,62 @@ class _ServerConnectScreenState extends State<ServerConnectScreen> {
   }
 }
 
-// ---------------------------------------------------------------------------
-// Shared private widgets
-// ---------------------------------------------------------------------------
-
-class _AuthFrame extends StatelessWidget {
-  final String title;
-  final String subtitle;
-  final Widget child;
-  const _AuthFrame(
-      {required this.title, required this.subtitle, required this.child});
+class _GlowBlob extends StatelessWidget {
+  final double size;
+  final Color color;
+  const _GlowBlob({required this.size, required this.color});
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
-      body: Center(
-        child: SingleChildScrollView(
-          padding: const EdgeInsets.all(24),
-          child: ConstrainedBox(
-            constraints: const BoxConstraints(maxWidth: 460),
-            child: Card(
-              elevation: 0,
-              shape: RoundedRectangleBorder(
-                  borderRadius: BorderRadius.circular(18),
-                  side: const BorderSide(color: Color(0xFFE2E8F0))),
-              child: Padding(
-                padding: const EdgeInsets.all(24),
-                child: Column(
-                  crossAxisAlignment: CrossAxisAlignment.stretch,
-                  children: [
-                    const Icon(Icons.navigation_rounded,
-                        color: Color(0xFF1A56DB), size: 42),
-                    const SizedBox(height: 14),
-                    Text(title,
-                        textAlign: TextAlign.center,
-                        style: Theme.of(context)
-                            .textTheme
-                            .headlineSmall
-                            ?.copyWith(fontWeight: FontWeight.w800)),
-                    const SizedBox(height: 4),
-                    Text(subtitle,
-                        textAlign: TextAlign.center,
-                        style: const TextStyle(color: Color(0xFF64748B))),
-                    const SizedBox(height: 22),
-                    child,
-                  ],
-                ),
+    return Container(
+      width: size,
+      height: size,
+      decoration: BoxDecoration(
+        shape: BoxShape.circle,
+        color: color.withValues(alpha: 0.18),
+        boxShadow: [
+          BoxShadow(
+              color: color.withValues(alpha: 0.22),
+              blurRadius: 60,
+              spreadRadius: 8),
+        ],
+      ),
+    );
+  }
+}
+
+class _HintChip extends StatelessWidget {
+  final IconData icon;
+  final String label;
+  final VoidCallback? onTap;
+  const _HintChip({required this.icon, required this.label, this.onTap});
+
+  @override
+  Widget build(BuildContext context) {
+    return InkWell(
+      onTap: onTap,
+      borderRadius: BorderRadius.circular(999),
+      child: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 7),
+        decoration: BoxDecoration(
+          color: const Color(0xFFEFF6FF),
+          borderRadius: BorderRadius.circular(999),
+          border: Border.all(color: const Color(0xFFBFDBFE)),
+        ),
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Icon(icon, size: 14, color: const Color(0xFF1D4ED8)),
+            const SizedBox(width: 6),
+            Text(
+              label,
+              style: const TextStyle(
+                color: Color(0xFF1D4ED8),
+                fontSize: 12,
+                fontWeight: FontWeight.w800,
               ),
             ),
-          ),
+          ],
         ),
       ),
     );
@@ -176,31 +349,23 @@ class _StatusBox extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return DecoratedBox(
+    final color = success ? const Color(0xFF16A34A) : const Color(0xFFDC2626);
+    return Container(
+      padding: const EdgeInsets.all(12),
       decoration: BoxDecoration(
-        color: success ? const Color(0xFFF0FDF4) : const Color(0xFFFEF2F2),
-        borderRadius: BorderRadius.circular(10),
+        color: color.withValues(alpha: 0.08),
+        borderRadius: BorderRadius.circular(12),
+        border: Border.all(color: color.withValues(alpha: 0.22)),
       ),
-      child: Padding(
-        padding: const EdgeInsets.all(12),
-        child: Row(
-          children: [
-            Icon(
-              success ? Icons.check_circle_outline : Icons.error_outline,
-              color:
-                  success ? const Color(0xFF166534) : const Color(0xFF991B1B),
-              size: 20,
-            ),
-            const SizedBox(width: 8),
-            Expanded(
+      child: Row(
+        children: [
+          Icon(success ? Icons.check_circle_outline : Icons.error_outline,
+              color: color, size: 20),
+          const SizedBox(width: 8),
+          Expanded(
               child: Text(message,
-                  style: TextStyle(
-                      color: success
-                          ? const Color(0xFF166534)
-                          : const Color(0xFF991B1B))),
-            ),
-          ],
-        ),
+                  style: TextStyle(color: color, fontWeight: FontWeight.w700))),
+        ],
       ),
     );
   }

walkguide-mobile/walkguide_app/lib/features/sos/sos_screen.dart

@@ -7,6 +7,7 @@ import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:geolocator/geolocator.dart';
+import 'package:go_router/go_router.dart';
 
 import '../../app/injection_container.dart';
 import '../../core/errors/friendly_error.dart';
@@ -139,6 +140,8 @@ class _SosScreenState extends State<SosScreen>
 
   Future<void> _confirmAndSend() async {
     if (_sosCubit.state.phase == SosPhase.sending) return;
+    final paired = await _ensurePaired();
+    if (!paired) return;
 
     // Confirmation dialog — prevents accidental tap
     final confirm = await showDialog<bool>(
@@ -181,6 +184,35 @@ class _SosScreenState extends State<SosScreen>
     await _sendSos();
   }
 
+  Future<bool> _ensurePaired() async {
+    bool paired = false;
+    await runFriendlyAction(
+      () async {
+        final res = await _api
+            .get('/shared/pairing/status')
+            .timeout(const Duration(seconds: 6));
+        final data = res.data['data'];
+        paired = data is Map && data['status'] == 'ACTIVE';
+      },
+      onError: (_) {},
+      fallback: 'Status pairing belum bisa dicek.',
+    );
+    if (paired) return true;
+    if (!mounted) return false;
+    sl<TtsService>().speak('SOS belum bisa dikirim. Hubungkan Guardian dulu.');
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: const Text(
+            'SOS hanya bisa dikirim setelah akun terhubung dengan Guardian.'),
+        action: SnackBarAction(
+          label: 'Pairing',
+          onPressed: () => context.go('/user/pairing'),
+        ),
+      ),
+    );
+    return false;
+  }
+
   Future<void> _sendSos() async {
     await runFriendlyAction(
       () async {
@@ -217,96 +249,98 @@ class _SosScreenState extends State<SosScreen>
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.stretch,
               children: [
-            // Header
-            Row(
-              children: [
-                Expanded(
-                  child: Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: [
-                      Text(
-                        'SOS',
-                        style: Theme.of(context)
-                            .textTheme
-                            .headlineSmall
-                            ?.copyWith(fontWeight: FontWeight.w800),
-                      ),
-                      const Text(
-                        'Emergency alert ke Guardian',
-                        style: TextStyle(color: Color(0xFF64748B)),
-                      ),
-                    ],
-                  ),
-                ),
-                IconButton(
-                  onPressed: _loadHistory,
-                  icon: const Icon(Icons.refresh),
-                  tooltip: 'Refresh riwayat',
-                ),
-              ],
-            ),
-
-            const SizedBox(height: 24),
-
-            // Active SOS banner
-            if (_hasActiveSos)
-              _ActiveSosBanner(event: _events.first, onRefresh: _loadHistory),
-
-            const SizedBox(height: 24),
-
-            // SOS Button
-            Center(
-              child: sending
-                  ? const _SendingIndicator()
-                  : AnimatedBuilder(
-                      animation: _pulseAnim,
-                      builder: (_, child) => Transform.scale(
-                        scale: _hasActiveSos ? _pulseAnim.value : 1.0,
-                        child: child,
-                      ),
-                      child: _SosButton(
-                        active: _hasActiveSos,
-                        onPressed: _confirmAndSend,
+                // Header
+                Row(
+                  children: [
+                    Expanded(
+                      child: Column(
+                        crossAxisAlignment: CrossAxisAlignment.start,
+                        children: [
+                          Text(
+                            'SOS',
+                            style: Theme.of(context)
+                                .textTheme
+                                .headlineSmall
+                                ?.copyWith(fontWeight: FontWeight.w800),
+                          ),
+                          const Text(
+                            'Emergency alert ke Guardian',
+                            style: TextStyle(color: Color(0xFF64748B)),
+                          ),
+                        ],
                       ),
                     ),
+                    IconButton(
+                      onPressed: _loadHistory,
+                      icon: const Icon(Icons.refresh),
+                      tooltip: 'Refresh riwayat',
+                    ),
+                  ],
+                ),
+
+                const SizedBox(height: 24),
+
+                // Active SOS banner
+                if (_hasActiveSos)
+                  _ActiveSosBanner(
+                      event: _events.first, onRefresh: _loadHistory),
+
+                const SizedBox(height: 24),
+
+                // SOS Button
+                Center(
+                  child: sending
+                      ? const _SendingIndicator()
+                      : AnimatedBuilder(
+                          animation: _pulseAnim,
+                          builder: (_, child) => Transform.scale(
+                            scale: _hasActiveSos ? _pulseAnim.value : 1.0,
+                            child: child,
+                          ),
+                          child: _SosButton(
+                            active: _hasActiveSos,
+                            onPressed: _confirmAndSend,
+                          ),
+                        ),
+                ),
+
+                const SizedBox(height: 8),
+
+                // Hint text
+                Text(
+                  _hasActiveSos
+                      ? 'SOS aktif — Guardian sudah mendapat notifikasi'
+                      : 'Tekan tombol untuk kirim SOS darurat ke Guardian',
+                  textAlign: TextAlign.center,
+                  style: TextStyle(
+                    color: _hasActiveSos
+                        ? const Color(0xFFDC2626)
+                        : const Color(0xFF64748B),
+                    fontWeight:
+                        _hasActiveSos ? FontWeight.w700 : FontWeight.normal,
+                  ),
+                ),
+
+                const SizedBox(height: 28),
+
+                // History section
+                const Text(
+                  'Riwayat SOS',
+                  style: TextStyle(fontWeight: FontWeight.w800, fontSize: 16),
+                ),
+                const SizedBox(height: 10),
+
+                Expanded(
+                    child: _SosHistory(
+                  loading: _historyLoading,
+                  error: _historyError,
+                  events: _events,
+                  onRefresh: _loadHistory,
+                )),
+              ],
             ),
-
-            const SizedBox(height: 8),
-
-            // Hint text
-            Text(
-              _hasActiveSos
-                  ? 'SOS aktif — Guardian sudah mendapat notifikasi'
-                  : 'Tekan tombol untuk kirim SOS darurat ke Guardian',
-              textAlign: TextAlign.center,
-              style: TextStyle(
-                color: _hasActiveSos
-                    ? const Color(0xFFDC2626)
-                    : const Color(0xFF64748B),
-                fontWeight: _hasActiveSos ? FontWeight.w700 : FontWeight.normal,
-              ),
-            ),
-
-            const SizedBox(height: 28),
-
-            // History section
-            const Text(
-              'Riwayat SOS',
-              style: TextStyle(fontWeight: FontWeight.w800, fontSize: 16),
-            ),
-            const SizedBox(height: 10),
-
-            Expanded(
-                  child: _SosHistory(
-                loading: _historyLoading,
-                error: _historyError,
-                events: _events,
-                onRefresh: _loadHistory,
-              )),
-            ],
           ),
-        ),
-      );
+        );
       },
     );
   }

walkguide-mobile/walkguide_app/lib/features/walk_guide/walk_guide_screen.dart

@@ -12,6 +12,7 @@ import '../../app/injection_container.dart';
 import '../../core/ai/detection_export.dart';
 import '../../core/ai/obstacle_alert_strategy.dart';
 import '../../core/errors/friendly_error.dart';
+import '../../core/network/api_client.dart';
 import '../../core/services/location_reporter_service.dart';
 import '../../core/services/tts_service.dart';
 import 'application/walk_guide_cubit.dart';
@@ -27,10 +28,15 @@ class WalkGuideScreen extends StatefulWidget {
   State<WalkGuideScreen> createState() => _WalkGuideScreenState();
 }
 
-class _WalkGuideScreenState extends State<WalkGuideScreen> {
+class _WalkGuideScreenState extends State<WalkGuideScreen>
+    with SingleTickerProviderStateMixin {
   late final WalkGuideCubit _cubit;
+  late final AnimationController _scanCtrl;
   CameraController? _camera;
   bool _processingFrame = false;
+  bool _pairingLoading = true;
+  bool _paired = false;
+  String? _pairedName;
   DateTime _lastInferenceAt = DateTime.fromMillisecondsSinceEpoch(0);
   DateTime _lastAlertAt = DateTime.fromMillisecondsSinceEpoch(0);
   DateTime _lastModelWarningAt = DateTime.fromMillisecondsSinceEpoch(0);
@@ -39,6 +45,11 @@ class _WalkGuideScreenState extends State<WalkGuideScreen> {
   void initState() {
     super.initState();
     _cubit = sl<WalkGuideCubit>();
+    _scanCtrl = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 2200),
+    )..repeat();
+    _loadPairingStatus();
   }
 
   @override
@@ -49,6 +60,7 @@ class _WalkGuideScreenState extends State<WalkGuideScreen> {
     }
     _camera?.dispose();
     sl<LocationReporterService>().stop();
+    _scanCtrl.dispose();
     _cubit.close();
     super.dispose();
   }
@@ -56,6 +68,8 @@ class _WalkGuideScreenState extends State<WalkGuideScreen> {
   Future<void> _toggle() async {
     final next = !_cubit.state.active;
     if (next) {
+      final paired = await _ensurePaired();
+      if (!paired) return;
       await _startCamera();
       await sl<LocationReporterService>().start(walkGuideActive: true);
       await _cubit.start();
@@ -69,6 +83,48 @@ class _WalkGuideScreenState extends State<WalkGuideScreen> {
     sl<TtsService>().speak(next ? 'WalkGuide dimulai' : 'WalkGuide dihentikan');
   }
 
+  Future<void> _loadPairingStatus() async {
+    await runFriendlyAction(
+      () async {
+        final res = await sl<ApiClient>()
+            .dio
+            .get('/shared/pairing/status')
+            .timeout(const Duration(seconds: 6));
+        final data = res.data['data'];
+        if (!mounted) return;
+        setState(() {
+          _paired = data is Map && data['status'] == 'ACTIVE';
+          _pairedName = data is Map ? data['pairedWithName']?.toString() : null;
+          _pairingLoading = false;
+        });
+      },
+      onError: (_) {
+        if (!mounted) return;
+        setState(() => _pairingLoading = false);
+      },
+      fallback: 'Status pairing belum bisa dicek.',
+    );
+  }
+
+  Future<bool> _ensurePaired() async {
+    if (_paired) return true;
+    await _loadPairingStatus();
+    if (_paired) return true;
+    if (!mounted) return false;
+    sl<TtsService>().speak('Hubungkan Guardian terlebih dahulu.');
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: const Text(
+            'WalkGuide, SOS, dan panggilan aktif setelah pairing dengan Guardian.'),
+        action: SnackBarAction(
+          label: 'Pairing',
+          onPressed: () => context.go('/user/pairing'),
+        ),
+      ),
+    );
+    return false;
+  }
+
   String _activeStatusText() {
     final detector = sl<YoloDetector>();
     if (kIsWeb) {
@@ -86,33 +142,33 @@ class _WalkGuideScreenState extends State<WalkGuideScreen> {
     if (_camera != null) return;
     await runFriendlyAction(
       () async {
-      final cameras = await availableCameras();
-      if (cameras.isEmpty) return;
-      final backCamera = cameras.firstWhere(
-        (camera) => camera.lensDirection == CameraLensDirection.back,
-        orElse: () => cameras.first,
-      );
-      final controller = CameraController(
-        backCamera,
-        ResolutionPreset.medium,
-        enableAudio: false,
-        imageFormatGroup: ImageFormatGroup.yuv420,
-      );
-      await controller.initialize();
-      if (!mounted) {
-        await controller.dispose();
-        return;
-      }
-      await runFriendlyAction(
-        () => controller.startImageStream(_onCameraImage),
-        onError: (_) {
-          _cubit.updateStatus(kIsWeb
-              ? 'Camera preview aktif, tapi image stream YOLO tidak tersedia di Chrome/web.'
-              : 'Camera preview aktif, tapi image stream belum tersedia.');
-        },
-        fallback: 'Camera preview aktif, tapi image stream belum tersedia.',
-      );
-      setState(() => _camera = controller);
+        final cameras = await availableCameras();
+        if (cameras.isEmpty) return;
+        final backCamera = cameras.firstWhere(
+          (camera) => camera.lensDirection == CameraLensDirection.back,
+          orElse: () => cameras.first,
+        );
+        final controller = CameraController(
+          backCamera,
+          ResolutionPreset.medium,
+          enableAudio: false,
+          imageFormatGroup: ImageFormatGroup.yuv420,
+        );
+        await controller.initialize();
+        if (!mounted) {
+          await controller.dispose();
+          return;
+        }
+        await runFriendlyAction(
+          () => controller.startImageStream(_onCameraImage),
+          onError: (_) {
+            _cubit.updateStatus(kIsWeb
+                ? 'Camera preview aktif, tapi image stream YOLO tidak tersedia di Chrome/web.'
+                : 'Camera preview aktif, tapi image stream belum tersedia.');
+          },
+          fallback: 'Camera preview aktif, tapi image stream belum tersedia.',
+        );
+        setState(() => _camera = controller);
       },
       onError: (_) => _cubit.updateStatus('Camera unavailable.'),
       fallback: 'Camera unavailable.',
@@ -190,7 +246,9 @@ class _WalkGuideScreenState extends State<WalkGuideScreen> {
       bloc: _cubit,
       builder: (context, state) => _Page(
         title: 'WalkGuide',
-        subtitle: 'On-device AI detection surface',
+        subtitle: _paired
+            ? 'Connected to ${_pairedName ?? 'Guardian'}'
+            : 'Pair with Guardian to unlock live protection',
         actions: [
           IconButton(
               onPressed: () => context.go('/user/benchmark'),
@@ -202,64 +260,52 @@ class _WalkGuideScreenState extends State<WalkGuideScreen> {
         child: Column(
           children: [
             Expanded(
-              child: Container(
-                width: double.infinity,
-                decoration: BoxDecoration(
-                    color: const Color(0xFF0F172A),
-                    borderRadius: BorderRadius.circular(16)),
-                child: Stack(
-                  children: [
-                    if (_camera != null && _camera!.value.isInitialized)
-                      Positioned.fill(child: CameraPreview(_camera!))
-                    else
-                      const Center(
-                          child: Icon(Icons.videocam_outlined,
-                              color: Colors.white30, size: 96)),
-                    if (state.latestDetection?.box != null)
-                      Positioned.fill(
-                        child: CustomPaint(
-                          painter:
-                              _DetectionOverlayPainter(state.latestDetection!),
-                        ),
-                      ),
-                    Positioned(
-                        top: 16,
-                        left: 16,
-                        child: _Pill(
-                            text: state.active ? 'AI ACTIVE' : 'STANDBY',
-                            color:
-                                state.active ? Colors.green : Colors.orange)),
-                    if (state.latestDetection != null)
-                      Positioned(
-                        top: 64,
-                        left: 16,
-                        child: _Pill(
-                            text:
-                                '${ObstacleAnalyzer.spokenLabel(state.latestDetection!.label)} ${state.latestDetection!.directionName}',
-                            color: Colors.redAccent),
-                      ),
-                    Positioned(
-                        left: 16,
-                        right: 16,
-                        bottom: 16,
-                        child: Text(state.status,
-                            style: const TextStyle(
-                                color: Colors.white,
-                                fontSize: 18,
-                                fontWeight: FontWeight.w700))),
-                  ],
-                ),
+              child: _VisionPanel(
+                state: state,
+                camera: _camera,
+                scanCtrl: _scanCtrl,
+                paired: _paired,
+                pairingLoading: _pairingLoading,
+                onPairingTap: () => context.go('/user/pairing'),
               ),
             ),
             const SizedBox(height: 14),
+            _StatusStrip(
+              active: state.active,
+              paired: _paired,
+              latestDetection: state.latestDetection,
+            ),
+            const SizedBox(height: 12),
             Row(
               children: [
                 Expanded(
-                    child: FilledButton.icon(
-                        onPressed: _toggle,
-                        icon:
-                            Icon(state.active ? Icons.stop : Icons.play_arrow),
-                        label: Text(state.active ? 'Stop' : 'Start'))),
+                  flex: 2,
+                  child: FilledButton.icon(
+                    onPressed: _pairingLoading ? null : _toggle,
+                    icon: Icon(state.active ? Icons.stop : Icons.play_arrow),
+                    label: Text(state.active ? 'Stop Scan' : 'Start Scan'),
+                  ),
+                ),
+                const SizedBox(width: 10),
+                _ActionSquare(
+                  icon: Icons.sos_outlined,
+                  color: const Color(0xFFDC2626),
+                  onTap: () async {
+                    if (await _ensurePaired() && context.mounted) {
+                      context.go('/user/sos');
+                    }
+                  },
+                ),
+                const SizedBox(width: 10),
+                _ActionSquare(
+                  icon: Icons.call_outlined,
+                  color: const Color(0xFF059669),
+                  onTap: () async {
+                    if (await _ensurePaired() && context.mounted) {
+                      context.go('/user/call');
+                    }
+                  },
+                ),
               ],
             ),
           ],
@@ -269,6 +315,413 @@ class _WalkGuideScreenState extends State<WalkGuideScreen> {
   }
 }
 
+class _VisionPanel extends StatelessWidget {
+  final WalkGuideState state;
+  final CameraController? camera;
+  final AnimationController scanCtrl;
+  final bool paired;
+  final bool pairingLoading;
+  final VoidCallback onPairingTap;
+
+  const _VisionPanel({
+    required this.state,
+    required this.camera,
+    required this.scanCtrl,
+    required this.paired,
+    required this.pairingLoading,
+    required this.onPairingTap,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final cameraReady = camera != null && camera!.value.isInitialized;
+    return ClipRRect(
+      borderRadius: BorderRadius.circular(28),
+      child: DecoratedBox(
+        decoration: const BoxDecoration(color: Color(0xFF07111F)),
+        child: Stack(
+          children: [
+            Positioned.fill(
+              child: cameraReady
+                  ? CameraPreview(camera!)
+                  : const DecoratedBox(
+                      decoration: BoxDecoration(
+                        gradient: LinearGradient(
+                          begin: Alignment.topLeft,
+                          end: Alignment.bottomRight,
+                          colors: [
+                            Color(0xFF07111F),
+                            Color(0xFF0E2A3D),
+                            Color(0xFF111827),
+                          ],
+                        ),
+                      ),
+                    ),
+            ),
+            Positioned.fill(child: CustomPaint(painter: _HudGridPainter())),
+            if (state.active)
+              AnimatedBuilder(
+                animation: scanCtrl,
+                builder: (_, __) => Positioned(
+                  left: 0,
+                  right: 0,
+                  top: 28 +
+                      (MediaQuery.of(context).size.height *
+                          0.38 *
+                          scanCtrl.value),
+                  child: Container(
+                    height: 3,
+                    decoration: BoxDecoration(
+                      color: const Color(0xFF22D3EE).withValues(alpha: 0.8),
+                      boxShadow: [
+                        BoxShadow(
+                          color:
+                              const Color(0xFF22D3EE).withValues(alpha: 0.45),
+                          blurRadius: 22,
+                          spreadRadius: 4,
+                        ),
+                      ],
+                    ),
+                  ),
+                ),
+              ),
+            if (state.latestDetection?.box != null)
+              Positioned.fill(
+                child: CustomPaint(
+                  painter: _DetectionOverlayPainter(state.latestDetection!),
+                ),
+              ),
+            Positioned(
+              top: 18,
+              left: 18,
+              right: 18,
+              child: Row(
+                children: [
+                  _Pill(
+                    text: state.active ? 'LIVE AI SCAN' : 'STANDBY',
+                    color: state.active
+                        ? const Color(0xFF22C55E)
+                        : const Color(0xFFF59E0B),
+                  ),
+                  const SizedBox(width: 8),
+                  _Pill(
+                    text: paired ? 'GUARDIAN LINKED' : 'PAIRING REQUIRED',
+                    color: paired
+                        ? const Color(0xFF38BDF8)
+                        : const Color(0xFFF97316),
+                  ),
+                ],
+              ),
+            ),
+            Center(
+              child: AnimatedScale(
+                duration: const Duration(milliseconds: 320),
+                scale: state.active ? 1.0 : 0.92,
+                child: Container(
+                  width: 118,
+                  height: 118,
+                  decoration: BoxDecoration(
+                    shape: BoxShape.circle,
+                    color: Colors.black.withValues(alpha: 0.28),
+                    border: Border.all(
+                      color: (state.active
+                              ? const Color(0xFF22D3EE)
+                              : Colors.white)
+                          .withValues(alpha: 0.34),
+                      width: 2,
+                    ),
+                  ),
+                  child: Icon(
+                    cameraReady
+                        ? Icons.center_focus_strong
+                        : Icons.videocam_off,
+                    color: Colors.white.withValues(alpha: 0.68),
+                    size: 48,
+                  ),
+                ),
+              ),
+            ),
+            if (!paired && !pairingLoading)
+              Positioned.fill(
+                child: DecoratedBox(
+                  decoration: BoxDecoration(
+                    color: const Color(0xFF020617).withValues(alpha: 0.72),
+                  ),
+                  child: Center(
+                    child: Padding(
+                      padding: const EdgeInsets.all(24),
+                      child: Column(
+                        mainAxisSize: MainAxisSize.min,
+                        children: [
+                          Container(
+                            width: 70,
+                            height: 70,
+                            decoration: BoxDecoration(
+                              color: const Color(0xFFFFFBEB)
+                                  .withValues(alpha: 0.14),
+                              borderRadius: BorderRadius.circular(18),
+                              border:
+                                  Border.all(color: const Color(0xFFF59E0B)),
+                            ),
+                            child: const Icon(Icons.link_off,
+                                color: Color(0xFFFBBF24), size: 34),
+                          ),
+                          const SizedBox(height: 14),
+                          const Text(
+                            'Guardian belum terhubung',
+                            textAlign: TextAlign.center,
+                            style: TextStyle(
+                              color: Colors.white,
+                              fontSize: 22,
+                              fontWeight: FontWeight.w900,
+                            ),
+                          ),
+                          const SizedBox(height: 6),
+                          const Text(
+                            'Pairing dulu supaya SOS, panggilan, dan pemantauan live punya penerima yang jelas.',
+                            textAlign: TextAlign.center,
+                            style:
+                                TextStyle(color: Colors.white70, height: 1.35),
+                          ),
+                          const SizedBox(height: 16),
+                          FilledButton.icon(
+                            onPressed: onPairingTap,
+                            icon: const Icon(Icons.link),
+                            label: const Text('Buka Pairing'),
+                          ),
+                        ],
+                      ),
+                    ),
+                  ),
+                ),
+              ),
+            Positioned(
+              left: 18,
+              right: 18,
+              bottom: 18,
+              child: _GlassStatusBar(
+                status: state.status,
+                detection: state.latestDetection,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class _GlassStatusBar extends StatelessWidget {
+  final String status;
+  final DetectionResult? detection;
+
+  const _GlassStatusBar({required this.status, required this.detection});
+
+  @override
+  Widget build(BuildContext context) {
+    final label = detection == null
+        ? status
+        : '${ObstacleAnalyzer.spokenLabel(detection!.label)} detected ${detection!.directionName}';
+    return Container(
+      padding: const EdgeInsets.all(14),
+      decoration: BoxDecoration(
+        color: Colors.black.withValues(alpha: 0.42),
+        borderRadius: BorderRadius.circular(16),
+        border: Border.all(color: Colors.white.withValues(alpha: 0.16)),
+      ),
+      child: Row(
+        children: [
+          Icon(
+            detection == null ? Icons.sensors : Icons.warning_amber_rounded,
+            color: detection == null
+                ? const Color(0xFF93C5FD)
+                : const Color(0xFFFBBF24),
+          ),
+          const SizedBox(width: 10),
+          Expanded(
+            child: Text(
+              label,
+              maxLines: 2,
+              overflow: TextOverflow.ellipsis,
+              style: const TextStyle(
+                color: Colors.white,
+                fontWeight: FontWeight.w800,
+                height: 1.2,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _StatusStrip extends StatelessWidget {
+  final bool active;
+  final bool paired;
+  final DetectionResult? latestDetection;
+
+  const _StatusStrip({
+    required this.active,
+    required this.paired,
+    required this.latestDetection,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      children: [
+        Expanded(
+          child: _MetricChip(
+            icon: Icons.health_and_safety_outlined,
+            label: 'Guardian',
+            value: paired ? 'Linked' : 'Required',
+            color: paired ? const Color(0xFF059669) : const Color(0xFFD97706),
+          ),
+        ),
+        const SizedBox(width: 8),
+        Expanded(
+          child: _MetricChip(
+            icon: Icons.radar_outlined,
+            label: 'Detector',
+            value: active ? 'Scanning' : 'Idle',
+            color: active ? const Color(0xFF2563EB) : const Color(0xFF64748B),
+          ),
+        ),
+        const SizedBox(width: 8),
+        Expanded(
+          child: _MetricChip(
+            icon: Icons.visibility_outlined,
+            label: 'Obstacle',
+            value: latestDetection == null ? 'Clear' : 'Alert',
+            color: latestDetection == null
+                ? const Color(0xFF64748B)
+                : const Color(0xFFDC2626),
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+class _MetricChip extends StatelessWidget {
+  final IconData icon;
+  final String label;
+  final String value;
+  final Color color;
+
+  const _MetricChip({
+    required this.icon,
+    required this.label,
+    required this.value,
+    required this.color,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsets.all(12),
+      decoration: BoxDecoration(
+        color: Colors.white,
+        borderRadius: BorderRadius.circular(14),
+        border: Border.all(color: const Color(0xFFE2E8F0)),
+        boxShadow: [
+          BoxShadow(
+            color: Colors.black.withValues(alpha: 0.04),
+            blurRadius: 14,
+            offset: const Offset(0, 8),
+          ),
+        ],
+      ),
+      child: Row(
+        children: [
+          Icon(icon, size: 18, color: color),
+          const SizedBox(width: 8),
+          Expanded(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Text(label,
+                    maxLines: 1,
+                    overflow: TextOverflow.ellipsis,
+                    style: const TextStyle(
+                      color: Color(0xFF64748B),
+                      fontSize: 11,
+                      fontWeight: FontWeight.w600,
+                    )),
+                Text(value,
+                    maxLines: 1,
+                    overflow: TextOverflow.ellipsis,
+                    style: TextStyle(
+                      color: color,
+                      fontSize: 13,
+                      fontWeight: FontWeight.w900,
+                    )),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _ActionSquare extends StatelessWidget {
+  final IconData icon;
+  final Color color;
+  final VoidCallback onTap;
+
+  const _ActionSquare({
+    required this.icon,
+    required this.color,
+    required this.onTap,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Material(
+      color: color,
+      borderRadius: BorderRadius.circular(14),
+      child: InkWell(
+        onTap: onTap,
+        borderRadius: BorderRadius.circular(14),
+        child: SizedBox(
+          width: 54,
+          height: 50,
+          child: Icon(icon, color: Colors.white),
+        ),
+      ),
+    );
+  }
+}
+
+class _HudGridPainter extends CustomPainter {
+  @override
+  void paint(Canvas canvas, Size size) {
+    final line = Paint()
+      ..color = Colors.white.withValues(alpha: 0.045)
+      ..strokeWidth = 1;
+    for (double x = 0; x < size.width; x += 42) {
+      canvas.drawLine(Offset(x, 0), Offset(x, size.height), line);
+    }
+    for (double y = 0; y < size.height; y += 42) {
+      canvas.drawLine(Offset(0, y), Offset(size.width, y), line);
+    }
+
+    final center = Offset(size.width / 2, size.height / 2);
+    final ring = Paint()
+      ..style = PaintingStyle.stroke
+      ..strokeWidth = 1.2
+      ..color = const Color(0xFF22D3EE).withValues(alpha: 0.16);
+    for (final radius in [64.0, 112.0, 164.0]) {
+      canvas.drawCircle(center, radius, ring);
+    }
+  }
+
+  @override
+  bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
+}
+
 class _DetectionOverlayPainter extends CustomPainter {
   final DetectionResult detection;
   const _DetectionOverlayPainter(this.detection);
@@ -356,34 +809,67 @@ class _Page extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return SafeArea(
-      child: Padding(
-        padding: const EdgeInsets.all(16),
-        child: Column(
-          crossAxisAlignment: CrossAxisAlignment.start,
-          children: [
-            Row(
-              children: [
-                Expanded(
-                  child: Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: [
-                      Text(title,
-                          style: Theme.of(context)
-                              .textTheme
-                              .headlineSmall
-                              ?.copyWith(fontWeight: FontWeight.w800)),
-                      if (subtitle != null)
-                        Text(subtitle!,
-                            style: const TextStyle(color: Color(0xFF64748B))),
-                    ],
+      child: DecoratedBox(
+        decoration: const BoxDecoration(
+          gradient: LinearGradient(
+            begin: Alignment.topCenter,
+            end: Alignment.bottomCenter,
+            colors: [Color(0xFFF8FAFC), Color(0xFFEFF6FF)],
+          ),
+        ),
+        child: Padding(
+          padding: const EdgeInsets.fromLTRB(16, 14, 16, 16),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Row(
+                children: [
+                  Container(
+                    width: 46,
+                    height: 46,
+                    decoration: BoxDecoration(
+                      color: const Color(0xFF2563EB),
+                      borderRadius: BorderRadius.circular(14),
+                      boxShadow: [
+                        BoxShadow(
+                          color:
+                              const Color(0xFF2563EB).withValues(alpha: 0.28),
+                          blurRadius: 18,
+                          offset: const Offset(0, 8),
+                        ),
+                      ],
+                    ),
+                    child: const Icon(Icons.navigation_rounded,
+                        color: Colors.white, size: 26),
                   ),
-                ),
-                ...?actions,
-              ],
-            ),
-            const SizedBox(height: 16),
-            Expanded(child: child),
-          ],
+                  const SizedBox(width: 12),
+                  Expanded(
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        Text(title,
+                            style: Theme.of(context)
+                                .textTheme
+                                .headlineSmall
+                                ?.copyWith(
+                                  fontWeight: FontWeight.w900,
+                                  color: const Color(0xFF0F172A),
+                                )),
+                        if (subtitle != null)
+                          Text(subtitle!,
+                              maxLines: 1,
+                              overflow: TextOverflow.ellipsis,
+                              style: const TextStyle(color: Color(0xFF64748B))),
+                      ],
+                    ),
+                  ),
+                  ...?actions,
+                ],
+              ),
+              const SizedBox(height: 16),
+              Expanded(child: child),
+            ],
+          ),
         ),
       ),
     );

walkguide-mobile/walkguide_app/lib/main.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:camera/camera.dart';
 import 'package:firebase_core/firebase_core.dart';
+import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:flutter/foundation.dart';
 import 'app/injection_container.dart';
 import 'app/app.dart';
@@ -8,6 +9,11 @@ import 'core/utils/init_guard.dart';
 
 List<CameraDescription> cameras = [];
 
+@pragma('vm:entry-point')
+Future<void> _firebaseMessagingBackgroundHandler(RemoteMessage message) async {
+  await Firebase.initializeApp();
+}
+
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
 
@@ -18,7 +24,9 @@ Future<void> main() async {
       [];
 
   if (!kIsWeb) {
-    await ignoreInitFailure(() => Firebase.initializeApp(), label: 'Firebase init');
+    await ignoreInitFailure(() => Firebase.initializeApp(),
+        label: 'Firebase init');
+    FirebaseMessaging.onBackgroundMessage(_firebaseMessagingBackgroundHandler);
   }
 
   // Init GetIt dependencies

walkguide-mobile/walkguide_app/lib/shared/widgets/app_shells.dart

@@ -10,6 +10,7 @@ import '../../core/services/hardware_shortcut_listener.dart';
 import '../../core/services/stt_service.dart';
 import '../../core/services/tts_service.dart';
 import '../../core/services/voice_command_handler.dart';
+import '../../core/theme/app_colors.dart';
 
 class UserShell extends StatefulWidget {
   final Widget child;
@@ -75,7 +76,8 @@ class _UserShellState extends State<UserShell> {
         if (data is! List) return;
         final commands = data
             .whereType<Map>()
-            .map((item) => _voiceCommandFromJson(Map<String, dynamic>.from(item)))
+            .map((item) =>
+                _voiceCommandFromJson(Map<String, dynamic>.from(item)))
             .whereType<VoiceCommand>()
             .toList();
         if (commands.isNotEmpty) {
@@ -181,18 +183,40 @@ class _AppShell extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      body: child,
-      bottomNavigationBar: NavigationBar(
-        selectedIndex: _selectedIndex,
-        onDestinationSelected: (index) => context.go(items[index].route),
-        destinations: [
-          for (final item in items)
-            NavigationDestination(
-              icon: Icon(item.icon),
-              selectedIcon: Icon(item.selectedIcon),
-              label: item.label,
+      backgroundColor: AppColors.surface,
+      body: AnimatedSwitcher(
+        duration: const Duration(milliseconds: 180),
+        switchInCurve: Curves.easeOutCubic,
+        switchOutCurve: Curves.easeInCubic,
+        child: KeyedSubtree(
+          key: ValueKey(location),
+          child: child,
+        ),
+      ),
+      bottomNavigationBar: DecoratedBox(
+        decoration: BoxDecoration(
+          color: Colors.white,
+          border: const Border(top: BorderSide(color: AppColors.border)),
+          boxShadow: [
+            BoxShadow(
+              color: Colors.black.withValues(alpha: 0.06),
+              blurRadius: 18,
+              offset: const Offset(0, -8),
             ),
-        ],
+          ],
+        ),
+        child: NavigationBar(
+          selectedIndex: _selectedIndex,
+          onDestinationSelected: (index) => context.go(items[index].route),
+          destinations: [
+            for (final item in items)
+              NavigationDestination(
+                icon: Icon(item.icon),
+                selectedIcon: Icon(item.selectedIcon),
+                label: item.label,
+              ),
+          ],
+        ),
       ),
     );
   }

walkguide-mobile/walkguide_app/lib/shared/widgets/feature_page.dart

@@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
 
+import '../../core/theme/app_colors.dart';
+
 class FeaturePage extends StatelessWidget {
   final String title;
   final String subtitle;
@@ -18,33 +20,51 @@ class FeaturePage extends StatelessWidget {
   Widget build(BuildContext context) {
     return SafeArea(
       child: Padding(
-        padding: const EdgeInsets.all(16),
+        padding: const EdgeInsets.fromLTRB(16, 14, 16, 16),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            Row(
-              children: [
-                Expanded(
-                  child: Column(
-                    crossAxisAlignment: CrossAxisAlignment.start,
-                    children: [
-                      Text(
-                        title,
-                        style:
-                            Theme.of(context).textTheme.headlineSmall?.copyWith(
-                                  fontWeight: FontWeight.w900,
-                                  color: const Color(0xFF0F172A),
-                                ),
-                      ),
-                      Text(
-                        subtitle,
-                        style: const TextStyle(color: Color(0xFF64748B)),
-                      ),
-                    ],
-                  ),
+            TweenAnimationBuilder<double>(
+              tween: Tween(begin: 12, end: 0),
+              duration: const Duration(milliseconds: 360),
+              curve: Curves.easeOutCubic,
+              builder: (_, offset, child) => Opacity(
+                opacity: (1 - offset / 12).clamp(0.0, 1.0),
+                child: Transform.translate(
+                  offset: Offset(0, offset),
+                  child: child,
                 ),
-                if (trailing != null) trailing!,
-              ],
+              ),
+              child: Row(
+                children: [
+                  Expanded(
+                    child: Column(
+                      crossAxisAlignment: CrossAxisAlignment.start,
+                      children: [
+                        Text(
+                          title,
+                          style: Theme.of(context)
+                              .textTheme
+                              .headlineSmall
+                              ?.copyWith(
+                                fontWeight: FontWeight.w900,
+                                color: AppColors.text,
+                              ),
+                        ),
+                        const SizedBox(height: 2),
+                        Text(
+                          subtitle,
+                          style: const TextStyle(
+                            color: AppColors.muted,
+                            fontWeight: FontWeight.w500,
+                          ),
+                        ),
+                      ],
+                    ),
+                  ),
+                  if (trailing != null) trailing!,
+                ],
+              ),
             ),
             const SizedBox(height: 16),
             Expanded(child: child),
@@ -77,7 +97,16 @@ class FeatureEmptyPanel extends StatelessWidget {
         child: Column(
           mainAxisSize: MainAxisSize.min,
           children: [
-            Icon(icon, size: 48, color: const Color(0xFF64748B)),
+            Container(
+              width: 72,
+              height: 72,
+              decoration: BoxDecoration(
+                color: AppColors.primary.withValues(alpha: 0.08),
+                borderRadius: BorderRadius.circular(8),
+                border: Border.all(color: AppColors.border),
+              ),
+              child: Icon(icon, size: 36, color: AppColors.primary),
+            ),
             const SizedBox(height: 12),
             Text(
               title,
@@ -88,7 +117,7 @@ class FeatureEmptyPanel extends StatelessWidget {
             Text(
               message,
               textAlign: TextAlign.center,
-              style: const TextStyle(color: Color(0xFF64748B), height: 1.35),
+              style: const TextStyle(color: AppColors.muted, height: 1.35),
             ),
             if (action != null) ...[
               const SizedBox(height: 16),
@@ -120,7 +149,7 @@ class FeatureErrorPanel extends StatelessWidget {
         padding: const EdgeInsets.all(18),
         decoration: BoxDecoration(
           color: const Color(0xFFFEF2F2),
-          borderRadius: BorderRadius.circular(18),
+          borderRadius: BorderRadius.circular(8),
           border: Border.all(color: const Color(0xFFFECACA)),
         ),
         child: Column(

walkguide-mobile/walkguide_app/web/index.html

@@ -33,6 +33,7 @@
   <link rel="manifest" href="manifest.json">
 </head>
 <body>
+  <script src="https://download.agora.io/sdk/release/AgoraRTC_N-4.20.2.js"></script>
   <script src="flutter_bootstrap.js" async></script>
 </body>
 </html>