Updates to add more ads and fix ad types.

lib/screens/confirm_fuel_entry_screen.dart

@@ -54,6 +54,8 @@ class _ConfirmFuelEntryScreenState extends State<ConfirmFuelEntryScreen> {
     _totalController = TextEditingController(
       text: widget.parsed.totalCost?.toStringAsFixed(2) ?? '',
     );
+    // So an ad is ready by the time _save() finishes without delaying it.
+    context.read<AppState>().preloadFuelSaveAd();
   }
 
   @override

lib/screens/data_settings_screen.dart

@@ -92,6 +92,25 @@ class _DataSettingsScreenState extends State<DataSettingsScreen> {
     }
   }
 
+  /// The resting (non-syncing) Sync Now icon — badged with the same
+  /// play-triangle [CloudBackupActionButton] uses, for anyone who isn't on
+  /// an active ad-free purchase, since tapping this can trigger the
+  /// rewarded ad gate (see [AppState.syncNow]/`AdService.showGateAd`). Not
+  /// a live prediction of whether *this* tap specifically will show one —
+  /// same general "this leads to an ad-supported feature" disclosure the
+  /// icon-badge uses elsewhere, not an attempt to account for the open
+  /// gate window or the free-first-sync case.
+  Widget _syncNowIcon(BuildContext context, AppState appState) {
+    const icon = Icon(Icons.sync);
+    if (appState.adsCurrentlyDisabled) return icon;
+    final colors = Theme.of(context).colorScheme;
+    return Badge(
+      backgroundColor: colors.tertiary,
+      label: Icon(Icons.play_arrow, size: 8, color: colors.onTertiary),
+      child: icon,
+    );
+  }
+
   /// Shared warning-dialog shell for both purge actions — [message] is the
   /// caller's job to make specific and unambiguous, since this is the only
   /// thing standing between the user and an unrecoverable delete.
@@ -283,7 +302,7 @@ class _DataSettingsScreenState extends State<DataSettingsScreen> {
                                   height: 16,
                                   width: 16,
                                   child: CircularProgressIndicator(strokeWidth: 2))
-                              : const Icon(Icons.sync),
+                              : _syncNowIcon(context, appState),
                           label: const Text('Sync Now'),
                         ),
                         TextButton.icon(

lib/screens/home_screen.dart

@@ -4,6 +4,7 @@ import 'package:provider/provider.dart';
 import '../models/vehicle.dart';
 import '../services/app_state.dart';
 import '../services/onboarding_keys.dart';
+import '../widgets/cloud_backup_action_button.dart';
 import 'add_edit_vehicle_screen.dart';
 import 'faq_screen.dart';
 import 'vehicle_detail_screen.dart';
@@ -31,6 +32,7 @@ class HomeScreen extends StatelessWidget {
               MaterialPageRoute(builder: (_) => const AddEditVehicleScreen()),
             ),
           ),
+          const CloudBackupActionButton(),
           const FaqActionButton(),
         ],
       ),

lib/screens/receipts_screen.dart

@@ -8,6 +8,7 @@ import '../services/app_state.dart';
 import '../services/estimated_refund.dart';
 import '../services/onboarding_keys.dart';
 import '../theme/app_theme.dart';
+import '../widgets/cloud_backup_action_button.dart';
 import '../widgets/hero_banner.dart';
 import '../widgets/receipt_capture.dart';
 import 'add_edit_vehicle_screen.dart';
@@ -144,6 +145,7 @@ class _ReceiptsScreenState extends State<ReceiptsScreen> with AutomaticKeepAlive
             tooltip: 'Log Fuel Receipt',
             onPressed: () => _addReceipt(context),
           ),
+          const CloudBackupActionButton(),
           const FaqActionButton(),
         ],
       ),

lib/screens/report_screen.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:typed_data';
 
 import 'package:flutter/material.dart';
@@ -12,6 +13,7 @@ import '../services/fuel_report.dart';
 import '../services/fuel_report_images.dart';
 import '../services/fuel_report_pdf.dart';
 import '../services/onboarding_keys.dart';
+import '../widgets/cloud_backup_action_button.dart';
 import 'faq_screen.dart';
 
 /// Missouri's Motor Fuel Refund Claim form isn't something this app can
@@ -59,6 +61,7 @@ class _ReportScreenState extends State<ReportScreen> with AutomaticKeepAliveClie
     final (start, end) = defaultReportDateRange(DateTime.now());
     _startDate = start;
     _endDate = end;
+    context.read<AppState>().preloadReportAd();
   }
 
   Future<void> _pickDate({required bool isStart}) async {
@@ -118,6 +121,7 @@ class _ReportScreenState extends State<ReportScreen> with AutomaticKeepAliveClie
     try {
       final bytes = await _buildPdfBytes(report);
       await Printing.sharePdf(bytes: bytes, filename: fuelReportFileName(report));
+      if (mounted) unawaited(context.read<AppState>().maybeShowReportAd());
     } finally {
       if (mounted) setState(() => _busy = false);
     }
@@ -128,6 +132,7 @@ class _ReportScreenState extends State<ReportScreen> with AutomaticKeepAliveClie
     try {
       final bytes = await _buildPdfBytes(report);
       await Printing.layoutPdf(onLayout: (_) async => bytes, name: fuelReportFileName(report));
+      if (mounted) unawaited(context.read<AppState>().maybeShowReportAd());
     } finally {
       if (mounted) setState(() => _busy = false);
     }
@@ -194,7 +199,7 @@ class _ReportScreenState extends State<ReportScreen> with AutomaticKeepAliveClie
     return Scaffold(
       appBar: AppBar(
         title: const Text('Fuel Report'),
-        actions: const [FaqActionButton()],
+        actions: const [CloudBackupActionButton(), FaqActionButton()],
       ),
       body: ListView(
         padding: const EdgeInsets.all(16),

lib/screens/settings_screen.dart

@@ -4,6 +4,7 @@ import 'package:provider/provider.dart';
 
 import '../services/app_state.dart';
 import '../services/onboarding_keys.dart';
+import '../widgets/cloud_backup_action_button.dart';
 import 'data_settings_screen.dart';
 import 'faq_screen.dart';
 import 'ui_settings_screen.dart';
@@ -22,7 +23,7 @@ class SettingsScreen extends StatelessWidget {
     return Scaffold(
       appBar: AppBar(
         title: const Text('Settings'),
-        actions: const [FaqActionButton()],
+        actions: const [CloudBackupActionButton(), FaqActionButton()],
       ),
       body: ListView(
         padding: const EdgeInsets.all(16),

lib/screens/user_agreement_screen.dart

@@ -61,7 +61,12 @@ class UserAgreementScreen extends StatelessWidget {
                         'this device. If you connect a cloud storage account (Google Drive, '
                         'Dropbox, OneDrive, or your own WebDAV server) in Settings, a copy is '
                         'also kept there — in storage you control, not on any server we run. '
-                        "We don't operate a backend, and we don't have a copy of your data.",
+                        "We don't operate a backend, and we don't have a copy of your data.\n\n"
+                        "This is also how sharing works: if the folder you connect to is one "
+                        "you share with someone else, anyone else who connects the app to "
+                        "that same folder sees and can edit the same vehicles, fuel entries, "
+                        "and receipt photos you do. Data in a shared folder isn't private to "
+                        "just you.",
                   ),
                   _Section(
                     title: 'Privacy',