fix phone dashboard

lib/features/client/screens/booking_confirmation_screen.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 import 'package:intl/intl.dart';
+import '../../../widgets/app_back_button.dart';
 import '../models/booking_result.dart';
 
 const _orange = Color(0xFFFF6B00);
@@ -18,6 +19,7 @@ class BookingConfirmationScreen extends StatelessWidget {
 
     return Scaffold(
       appBar: AppBar(
+        leading: const AppBackButton(fallbackRoute: '/client'),
         title: const Text('Booking Confirmed'),
       ),
       body: SingleChildScrollView(

lib/features/client/screens/booking_screen.dart

@@ -3,6 +3,7 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
 import 'package:intl/intl.dart';
 import '../../../core/models/marketplace.dart';
+import '../../../widgets/app_back_button.dart';
 import '../models/booking_result.dart';
 import '../providers/client_providers.dart';
 
@@ -130,7 +131,10 @@ class _BookingScreenState extends ConsumerState<BookingScreen> {
         : null;
 
     return Scaffold(
-      appBar: AppBar(title: const Text('Complete Booking')),
+      appBar: AppBar(
+        leading: const AppBackButton(fallbackRoute: '/client'),
+        title: const Text('Complete Booking'),
+      ),
       body: Form(
         key: _formKey,
         child: ListView(

lib/features/client/screens/client_home_screen.dart

@@ -6,6 +6,7 @@ import 'package:intl/intl.dart';
 import '../providers/client_providers.dart';
 import '../../../core/models/marketplace.dart';
 import '../../../l10n/app_localizations.dart';
+import '../../../widgets/app_back_button.dart';
 import '../../../widgets/preferences_bar.dart';
 import 'client_shell.dart';
 import 'widgets/marketplace_vehicle_card.dart';
@@ -233,15 +234,21 @@ class _ClientHomeScreenState extends ConsumerState<ClientHomeScreen> {
                     padding: const EdgeInsets.fromLTRB(20, 16, 12, 0),
                     child: Row(
                       children: [
-                        Text(
-                          l10n.findCarToRent,
-                          style: TextStyle(
-                            color: cs.onSurface,
-                            fontSize: 20,
-                            fontWeight: FontWeight.bold,
+                        AppBackButton(
+                          fallbackRoute: '/landing',
+                          color: cs.onSurface,
+                        ),
+                        const SizedBox(width: 4),
+                        Expanded(
+                          child: Text(
+                            l10n.findCarToRent,
+                            style: TextStyle(
+                              color: cs.onSurface,
+                              fontSize: 20,
+                              fontWeight: FontWeight.bold,
+                            ),
                           ),
                         ),
-                        const Spacer(),
                         const PreferencesBar(),
                       ],
                     ),

lib/features/client/screens/client_vehicle_detail_screen.dart

@@ -5,6 +5,7 @@ import 'package:go_router/go_router.dart';
 import 'package:intl/intl.dart';
 import '../../../core/models/marketplace.dart';
 import '../../../core/constants/app_constants.dart';
+import '../../../widgets/app_back_button.dart';
 import '../providers/client_providers.dart';
 
 class ClientVehicleDetailScreen extends ConsumerWidget {
@@ -48,6 +49,7 @@ class _DetailView extends StatelessWidget {
           SliverAppBar(
             expandedHeight: 280,
             pinned: true,
+            leading: const AppBackButton(fallbackRoute: '/client'),
             flexibleSpace: FlexibleSpaceBar(
               background: vehicle.primaryPhoto != null
                   ? CachedNetworkImage(

lib/features/client/screens/my_bookings_screen.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:go_router/go_router.dart';
 import '../../../core/providers/auth_provider.dart';
+import '../../../widgets/app_back_button.dart';
 import 'client_shell.dart';
 
 class MyBookingsScreen extends ConsumerWidget {
@@ -13,7 +14,10 @@ class MyBookingsScreen extends ConsumerWidget {
 
     if (auth.status != AuthStatus.authenticated) {
       return ClientShell(
-        appBar: AppBar(title: const Text('My Bookings')),
+        appBar: AppBar(
+          leading: const AppBackButton(fallbackRoute: '/client'),
+          title: const Text('My Bookings'),
+        ),
         body: Center(
           child: Padding(
             padding: const EdgeInsets.all(32),
@@ -53,7 +57,10 @@ class MyBookingsScreen extends ConsumerWidget {
     }
 
     return ClientShell(
-      appBar: AppBar(title: const Text('My Bookings')),
+      appBar: AppBar(
+        leading: const AppBackButton(fallbackRoute: '/client'),
+        title: const Text('My Bookings'),
+      ),
       body: const Center(
         child: Column(
           mainAxisSize: MainAxisSize.min,