diff --git a/docs/tasks/testing.md b/docs/tasks/testing.md
index 1c9c6bc..2bb11b6 100644
--- a/docs/tasks/testing.md
+++ b/docs/tasks/testing.md
@@ -18,34 +18,13 @@
 
 ## M2 - Dialog & Sheet Consolidation
 
-- [ ] Create `lib/shared/presentation/widgets/confirmation_dialog.dart`
-- [ ] Create `lib/shared/presentation/widgets/options_sheet.dart`
-- [ ] Create `lib/shared/presentation/helpers/snackbar_helper.dart` - `showAppSnackBar`
-- [ ] Replace confirmation dialogs in:
-  - `lib/features/profile/presentation/widgets/profile_action_buttons.dart` (5 dialogs)
-  - `lib/features/compose/presentation/compose_screen.dart` (6 dialogs)
-  - `lib/features/search/presentation/search_screen.dart` (2 dialogs)
-  - `lib/features/search/presentation/hashtag_screen.dart`
-  - `lib/features/feed/presentation/post_thread_screen.dart`
-  - `lib/features/feed/presentation/feed_management_screen.dart`
-  - `lib/features/lists/presentation/list_detail_screen.dart`
-  - `lib/features/settings/presentation/settings_screen.dart`
-  - `lib/features/moderation/presentation/screens/moderation_settings_screen.dart`
-  - `lib/features/account/presentation/account_switcher_sheet.dart`
-- [ ] Replace modal bottom sheets in:
-  - `lib/features/feed/presentation/widgets/post_action_bar.dart`
-  - `lib/features/feed/presentation/widgets/post_card_footer.dart`
-  - `lib/features/feed/presentation/post_thread_screen.dart`
-  - `lib/features/search/presentation/hashtag_screen.dart`
-  - `lib/features/profile/presentation/profile_screen.dart`
-- [ ] Replace SnackBar patterns in:
-  - `lib/features/feed/presentation/widgets/post_card_with_actions.dart`
-  - `lib/features/feed/presentation/feed_management_screen.dart`
-  - `lib/features/compose/presentation/compose_screen.dart`
-  - `lib/features/profile/presentation/profile_screen.dart`
-  - `lib/features/lists/presentation/list_detail_screen.dart`
-  - `lib/features/settings/presentation/settings_screen.dart`
-- [ ] Tests for dialog/sheet/snackbar helpers
+- [x] Create `lib/shared/presentation/widgets/confirmation_dialog.dart`
+- [x] Create `lib/shared/presentation/widgets/options_sheet.dart`
+- [x] Create `lib/shared/presentation/helpers/snackbar_helper.dart` - `showAppSnackBar`
+- [x] Replace confirmation dialogs
+- [x] Replace modal bottom sheets
+- [x] Replace SnackBar patterns
+- [x] Tests for dialog/sheet/snackbar helpers
 
 ## M3 - Theme & Spacing Constants
 
diff --git a/lib/features/account/presentation/account_switcher_sheet.dart b/lib/features/account/presentation/account_switcher_sheet.dart
index 484e302..4416040 100644
--- a/lib/features/account/presentation/account_switcher_sheet.dart
+++ b/lib/features/account/presentation/account_switcher_sheet.dart
@@ -2,12 +2,15 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lazurite/features/account/cubit/account_switcher_cubit.dart';
 import 'package:lazurite/features/auth/bloc/auth_bloc.dart';
+import 'package:lazurite/shared/presentation/helpers/snackbar_helper.dart';
+import 'package:lazurite/shared/presentation/widgets/confirmation_dialog.dart';
+import 'package:lazurite/shared/presentation/widgets/options_sheet.dart';
 
 void showAccountSwitcherSheet(BuildContext context) {
   final cubit = context.read<AccountSwitcherCubit>();
   final authBloc = context.read<AuthBloc>();
 
-  showModalBottomSheet<void>(
+  showAppBottomSheet<void>(
     context: context,
     builder: (sheetContext) => BlocProvider.value(
       value: cubit,
@@ -97,7 +100,6 @@ class _AccountSwitcherSheet extends StatelessWidget {
   }
 
   Future<void> _onSwitchAccount(BuildContext context, String did) async {
-    final messenger = ScaffoldMessenger.of(context);
     final cubit = context.read<AccountSwitcherCubit>();
     Navigator.pop(context);
     final tokens = await cubit.switchAccount(did);
@@ -106,43 +108,39 @@ class _AccountSwitcherSheet extends StatelessWidget {
       return;
     }
 
-    messenger.showSnackBar(const SnackBar(content: Text('Unable to switch accounts. Sign in again for that account.')));
+    if (context.mounted) {
+      showAppSnackBar(context, 'Unable to switch accounts. Sign in again for that account.');
+    }
   }
 
   Future<void> _onAddAccount(BuildContext context) async {
-    final messenger = ScaffoldMessenger.of(context);
     final cubit = context.read<AccountSwitcherCubit>();
     Navigator.pop(context);
 
+    final controller = TextEditingController();
     final handle = await showDialog<String>(
       context: context,
-      builder: (dialogContext) {
-        final controller = TextEditingController();
-        return AlertDialog(
-          title: const Text('Add Account'),
-          content: TextField(
-            controller: controller,
-            decoration: const InputDecoration(labelText: 'Handle or DID'),
-            autofocus: true,
-          ),
-          actions: [
-            TextButton(onPressed: () => Navigator.pop(dialogContext), child: const Text('Cancel')),
-            TextButton(
-              onPressed: () => Navigator.pop(dialogContext, controller.text.trim()),
-              child: const Text('Continue'),
-            ),
-          ],
-        );
-      },
+      builder: (dialogContext) => ConfirmationDialog(
+        title: const Text('Add Account'),
+        content: TextField(
+          controller: controller,
+          decoration: const InputDecoration(labelText: 'Handle or DID'),
+          autofocus: true,
+        ),
+        confirmLabel: 'Continue',
+        onCancel: () => Navigator.pop(dialogContext),
+        onConfirm: () => Navigator.pop(dialogContext, controller.text.trim()),
+      ),
     );
+    controller.dispose();
 
     if (handle == null || handle.isEmpty) return;
 
     final tokens = await cubit.addAccountWithOAuth(handle);
     if (tokens != null) {
       authBloc.add(SessionRestored(tokens: tokens));
-    } else {
-      messenger.showSnackBar(const SnackBar(content: Text('Failed to add account')));
+    } else if (context.mounted) {
+      showAppSnackBar(context, 'Failed to add account', isError: true);
     }
   }
 }
diff --git a/lib/features/compose/presentation/compose_screen.dart b/lib/features/compose/presentation/compose_screen.dart
index 6d3b019..b1cac6f 100644
--- a/lib/features/compose/presentation/compose_screen.dart
+++ b/lib/features/compose/presentation/compose_screen.dart
@@ -10,6 +10,8 @@ import 'package:intl/intl.dart';
 import 'package:lazurite/features/compose/bloc/compose_bloc.dart';
 import 'package:lazurite/features/connectivity/connectivity_helpers.dart';
 import 'package:lazurite/features/connectivity/cubit/connectivity_cubit.dart';
+import 'package:lazurite/shared/presentation/helpers/snackbar_helper.dart';
+import 'package:lazurite/shared/presentation/widgets/confirmation_dialog.dart';
 
 class ComposeScreen extends StatefulWidget {
   const ComposeScreen({
@@ -110,14 +112,9 @@ class _ComposeScreenState extends State<ComposeScreen> {
 
   Future<void> _pickImage() async {
     final state = context.read<ComposeBloc>().state;
-    final theme = Theme.of(context);
     if (!state.canAddMoreMedia) {
       if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(
-            content: Text('Maximum 4 images allowed', style: TextStyle(color: theme.colorScheme.error)),
-          ),
-        );
+        showAppSnackBar(context, 'Maximum 4 images allowed', isError: true);
       }
       return;
     }
@@ -136,7 +133,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
         const maxSize = 1 * 1024 * 1024;
         if (fileSize > maxSize) {
           if (mounted) {
-            ScaffoldMessenger.of(context).showSnackBar(const SnackBar(content: Text('Image must be smaller than 1MB')));
+            showAppSnackBar(context, 'Image must be smaller than 1MB', isError: true);
           }
           return;
         }
@@ -145,9 +142,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
         const validExtensions = ['jpg', 'jpeg', 'png', 'webp'];
         if (!validExtensions.contains(extension)) {
           if (mounted) {
-            ScaffoldMessenger.of(
-              context,
-            ).showSnackBar(const SnackBar(content: Text('Image must be JPEG, PNG, or WebP')));
+            showAppSnackBar(context, 'Image must be JPEG, PNG, or WebP', isError: true);
           }
           return;
         }
@@ -164,7 +159,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
       }
     } catch (e) {
       if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Failed to pick image: $e')));
+        showAppSnackBar(context, 'Failed to pick image: $e', isError: true);
       }
     }
   }
@@ -173,9 +168,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
     final state = context.read<ComposeBloc>().state;
     if (!state.canAddVideo) {
       if (mounted) {
-        ScaffoldMessenger.of(
-          context,
-        ).showSnackBar(const SnackBar(content: Text('Remove existing media before adding a video')));
+        showAppSnackBar(context, 'Remove existing media before adding a video', isError: true);
       }
       return;
     }
@@ -187,7 +180,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
       }
     } catch (e) {
       if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Failed to pick video: $e')));
+        showAppSnackBar(context, 'Failed to pick video: $e', isError: true);
       }
     }
   }
@@ -197,7 +190,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
 
     final result = await showDialog<String>(
       context: context,
-      builder: (context) => AlertDialog(
+      builder: (dialogContext) => ConfirmationDialog(
         title: const Text('Add video alt text'),
         content: TextField(
           controller: altController,
@@ -208,10 +201,9 @@ class _ComposeScreenState extends State<ComposeScreen> {
             border: OutlineInputBorder(),
           ),
         ),
-        actions: [
-          TextButton(onPressed: () => Navigator.pop(context), child: const Text('Cancel')),
-          TextButton(onPressed: () => Navigator.pop(context, altController.text), child: const Text('Save')),
-        ],
+        confirmLabel: 'Save',
+        onCancel: () => Navigator.pop(dialogContext),
+        onConfirm: () => Navigator.pop(dialogContext, altController.text),
       ),
     );
 
@@ -227,7 +219,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
 
     final result = await showDialog<String>(
       context: context,
-      builder: (context) => AlertDialog(
+      builder: (dialogContext) => ConfirmationDialog(
         title: const Text('Add alt text'),
         content: TextField(
           controller: altController,
@@ -238,10 +230,9 @@ class _ComposeScreenState extends State<ComposeScreen> {
             border: OutlineInputBorder(),
           ),
         ),
-        actions: [
-          TextButton(onPressed: () => Navigator.pop(context), child: const Text('Cancel')),
-          TextButton(onPressed: () => Navigator.pop(context, altController.text), child: const Text('Save')),
-        ],
+        confirmLabel: 'Save',
+        onCancel: () => Navigator.pop(dialogContext),
+        onConfirm: () => Navigator.pop(dialogContext, altController.text),
       ),
     );
 
@@ -325,7 +316,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
         return Container(
           constraints: const BoxConstraints(maxHeight: 280),
           decoration: BoxDecoration(
-            border: Border(top: BorderSide(color: _theme.dividerColor)),
+            border: Border(top: BorderSide(color: theme.dividerColor)),
           ),
           child: Column(
             mainAxisSize: MainAxisSize.min,
@@ -335,11 +326,11 @@ class _ComposeScreenState extends State<ComposeScreen> {
                 child: Row(
                   mainAxisAlignment: MainAxisAlignment.spaceBetween,
                   children: [
-                    Text('Drafts', style: _theme.textTheme.titleMedium),
+                    Text('Drafts', style: theme.textTheme.titleMedium),
                     if (state.drafts.isNotEmpty)
                       Text(
                         '${state.drafts.length} draft${state.drafts.length != 1 ? 's' : ''}',
-                        style: _theme.textTheme.bodySmall?.copyWith(color: _theme.colorScheme.onSurfaceVariant),
+                        style: theme.textTheme.bodySmall?.copyWith(color: theme.colorScheme.onSurfaceVariant),
                       ),
                   ],
                 ),
@@ -355,7 +346,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
                   child: Center(
                     child: Text(
                       'No drafts saved',
-                      style: _theme.textTheme.bodyMedium?.copyWith(color: _theme.colorScheme.onSurfaceVariant),
+                      style: theme.textTheme.bodyMedium?.copyWith(color: theme.colorScheme.onSurfaceVariant),
                     ),
                   ),
                 )
@@ -375,19 +366,19 @@ class _ComposeScreenState extends State<ComposeScreen> {
                         ),
                         subtitle: Row(
                           children: [
-                            Text(_formatDraftTime(draft.updatedAt), style: _theme.textTheme.bodySmall),
+                            Text(_formatDraftTime(draft.updatedAt), style: theme.textTheme.bodySmall),
                             if (draft.scheduledAt != null) ...[
                               const SizedBox(width: 8),
                               Container(
                                 padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
                                 decoration: BoxDecoration(
-                                  color: _theme.colorScheme.primaryContainer,
+                                  color: theme.colorScheme.primaryContainer,
                                   borderRadius: BorderRadius.circular(4),
                                 ),
                                 child: Text(
                                   'Scheduled',
-                                  style: _theme.textTheme.bodySmall?.copyWith(
-                                    color: _theme.colorScheme.onPrimaryContainer,
+                                  style: theme.textTheme.bodySmall?.copyWith(
+                                    color: theme.colorScheme.onPrimaryContainer,
                                   ),
                                 ),
                               ),
@@ -395,28 +386,17 @@ class _ComposeScreenState extends State<ComposeScreen> {
                           ],
                         ),
                         trailing: IconButton(
-                          icon: Icon(Icons.delete_outline, color: _theme.colorScheme.error),
+                          icon: Icon(Icons.delete_outline, color: theme.colorScheme.error),
                           onPressed: () {
                             final bloc = context.read<ComposeBloc>();
-                            final theme = _theme;
-                            showDialog<bool>(
+                            showConfirmationDialog(
                               context: context,
-                              builder: (dialogContext) => AlertDialog(
-                                title: const Text('Delete Draft?'),
-                                content: const Text('This action cannot be undone.'),
-                                actions: [
-                                  TextButton(
-                                    onPressed: () => Navigator.of(dialogContext).pop(false),
-                                    child: const Text('Cancel'),
-                                  ),
-                                  TextButton(
-                                    onPressed: () => Navigator.of(dialogContext).pop(true),
-                                    child: Text('Delete', style: TextStyle(color: theme.colorScheme.error)),
-                                  ),
-                                ],
-                              ),
+                              title: const Text('Delete Draft?'),
+                              content: const Text('This action cannot be undone.'),
+                              confirmLabel: 'Delete',
+                              confirmDestructive: true,
                             ).then((confirmed) {
-                              if (confirmed == true && mounted) {
+                              if (confirmed && mounted) {
                                 bloc.add(DraftDeleted(draft.id));
                               }
                             });
@@ -437,7 +417,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
     );
   }
 
-  ThemeData get _theme => Theme.of(context);
+  ThemeData get theme => Theme.of(context);
 
   void _submitPost() {
     context.read<ComposeBloc>().add(const PostSubmitted());
@@ -447,26 +427,20 @@ class _ComposeScreenState extends State<ComposeScreen> {
     if (context.read<ComposeBloc>().state.isEditing) return;
     context.read<ComposeBloc>().add(const DraftSaved());
     if (mounted) {
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-          content: Text('Draft saved', style: TextStyle(color: _theme.colorScheme.onPrimary)),
-          backgroundColor: _theme.colorScheme.primary,
-        ),
-      );
+      showAppSnackBar(context, 'Draft saved');
     }
   }
 
-  void _showEditAlgorithmInfo() {
-    showDialog<void>(
+  Future<void> _showEditAlgorithmInfo() async {
+    await showConfirmationDialog(
       context: context,
-      builder: (dialogContext) => AlertDialog(
-        title: const Text('How Post Editing Works'),
-        content: const Text(
-          'Lazurite saves edits by deleting and recreating the post record with the same URI. During re-indexing, '
-          'ranking, counters, and search visibility can shift, and updates may take time to appear everywhere.',
-        ),
-        actions: [TextButton(onPressed: () => Navigator.pop(dialogContext), child: const Text('OK'))],
+      title: const Text('How Post Editing Works'),
+      content: const Text(
+        'Lazurite saves edits by deleting and recreating the post record with the same URI. During re-indexing, '
+        'ranking, counters, and search visibility can shift, and updates may take time to appear everywhere.',
       ),
+      confirmLabel: 'OK',
+      showCancel: false,
     );
   }
 
@@ -478,18 +452,13 @@ class _ComposeScreenState extends State<ComposeScreen> {
 
     if (state.isEditing) {
       if (state.isDraftDirty) {
-        showDialog<bool>(
+        showConfirmationDialog(
           context: context,
-          builder: (dialogContext) => AlertDialog(
-            title: const Text('Discard Changes?'),
-            content: const Text('You have unsaved edits. Discard them and leave?'),
-            actions: [
-              TextButton(onPressed: () => Navigator.of(dialogContext).pop(false), child: const Text('Cancel')),
-              TextButton(onPressed: () => Navigator.of(dialogContext).pop(true), child: const Text('Discard')),
-            ],
-          ),
+          title: const Text('Discard Changes?'),
+          content: const Text('You have unsaved edits. Discard them and leave?'),
+          confirmLabel: 'Discard',
         ).then((shouldDiscard) {
-          if (shouldDiscard == true && mounted) {
+          if (shouldDiscard && mounted) {
             navigator.pop(false);
           }
         });
@@ -500,28 +469,14 @@ class _ComposeScreenState extends State<ComposeScreen> {
     }
 
     if (hasContent && state.isDraftDirty) {
-      showDialog<bool>(
+      showConfirmationDialog(
         context: context,
-        builder: (dialogContext) => AlertDialog(
-          title: const Text('Save Draft?'),
-          content: const Text('You have unsaved content. Would you like to save it as a draft?'),
-          actions: [
-            TextButton(
-              onPressed: () {
-                Navigator.of(dialogContext).pop(false);
-              },
-              child: const Text('Discard'),
-            ),
-            TextButton(
-              onPressed: () {
-                Navigator.of(dialogContext).pop(true);
-              },
-              child: const Text('Save'),
-            ),
-          ],
-        ),
+        title: const Text('Save Draft?'),
+        content: const Text('You have unsaved content. Would you like to save it as a draft?'),
+        cancelLabel: 'Discard',
+        confirmLabel: 'Save',
       ).then((shouldSave) {
-        if (shouldSave == true) {
+        if (shouldSave) {
           _saveDraft();
         }
         if (mounted) {
@@ -544,17 +499,13 @@ class _ComposeScreenState extends State<ComposeScreen> {
 
         if (state.isSuccess) {
           if (state.isEditing) {
-            ScaffoldMessenger.of(
-              context,
-            ).showSnackBar(const SnackBar(content: Text('Changes saved.'), behavior: SnackBarBehavior.floating));
+            showAppSnackBar(context, 'Changes saved.', behavior: SnackBarBehavior.floating);
           }
           Navigator.of(context).pop(state.isEditing ? {'editedText': state.text} : null);
         }
 
         if (state.hasError && state.errorMessage != null) {
-          ScaffoldMessenger.of(
-            context,
-          ).showSnackBar(SnackBar(content: Text(state.errorMessage!), behavior: SnackBarBehavior.floating));
+          showAppSnackBar(context, state.errorMessage!, behavior: SnackBarBehavior.floating, isError: true);
         }
       },
       child: PopScope(
@@ -607,19 +558,19 @@ class _ComposeScreenState extends State<ComposeScreen> {
                         margin: const EdgeInsets.fromLTRB(16, 12, 16, 0),
                         padding: const EdgeInsets.all(12),
                         decoration: BoxDecoration(
-                          color: _theme.colorScheme.surfaceContainerHighest,
-                          border: Border.all(color: _theme.colorScheme.outlineVariant),
+                          color: theme.colorScheme.surfaceContainerHighest,
+                          border: Border.all(color: theme.colorScheme.outlineVariant),
                         ),
                         child: Row(
                           crossAxisAlignment: CrossAxisAlignment.start,
                           children: [
-                            Icon(Icons.info_outline, color: _theme.colorScheme.onSurfaceVariant, size: 20),
+                            Icon(Icons.info_outline, color: theme.colorScheme.onSurfaceVariant, size: 20),
                             const SizedBox(width: 12),
                             Expanded(
                               child: Text(
                                 'Edits are saved by replacing the record while keeping this post URI. Ranking, '
                                 'counts, and visibility may shift while networks re-index.',
-                                style: _theme.textTheme.bodySmall?.copyWith(color: _theme.colorScheme.onSurfaceVariant),
+                                style: theme.textTheme.bodySmall?.copyWith(color: theme.colorScheme.onSurfaceVariant),
                               ),
                             ),
                             IconButton(
@@ -638,23 +589,23 @@ class _ComposeScreenState extends State<ComposeScreen> {
                     return Container(
                       padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
                       decoration: BoxDecoration(
-                        color: _theme.colorScheme.surfaceContainerHighest,
-                        border: Border(bottom: BorderSide(color: _theme.dividerColor)),
+                        color: theme.colorScheme.surfaceContainerHighest,
+                        border: Border(bottom: BorderSide(color: theme.dividerColor)),
                       ),
                       child: Row(
                         children: [
-                          Icon(Icons.reply, size: 16, color: _theme.colorScheme.onSurfaceVariant),
+                          Icon(Icons.reply, size: 16, color: theme.colorScheme.onSurfaceVariant),
                           const SizedBox(width: 8),
                           Text(
                             'Replying to ',
                             style: Theme.of(
                               context,
-                            ).textTheme.bodySmall?.copyWith(color: _theme.colorScheme.onSurfaceVariant),
+                            ).textTheme.bodySmall?.copyWith(color: theme.colorScheme.onSurfaceVariant),
                           ),
                           Text(
                             '@${widget.replyAuthorHandle}',
-                            style: _theme.textTheme.bodySmall?.copyWith(
-                              color: _theme.colorScheme.primary,
+                            style: theme.textTheme.bodySmall?.copyWith(
+                              color: theme.colorScheme.primary,
                               fontWeight: FontWeight.w500,
                             ),
                           ),
@@ -676,7 +627,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
                         border: InputBorder.none,
                         contentPadding: EdgeInsets.zero,
                       ),
-                      style: _theme.textTheme.bodyLarge?.copyWith(height: 1.5),
+                      style: theme.textTheme.bodyLarge?.copyWith(height: 1.5),
                     ),
                   ),
                 ),
@@ -688,26 +639,26 @@ class _ComposeScreenState extends State<ComposeScreen> {
                       margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
                       padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
                       decoration: BoxDecoration(
-                        color: _theme.colorScheme.primaryContainer,
+                        color: theme.colorScheme.primaryContainer,
                         borderRadius: BorderRadius.circular(20),
                       ),
                       child: Row(
                         mainAxisSize: MainAxisSize.min,
                         children: [
-                          Icon(Icons.schedule, size: 16, color: _theme.colorScheme.onPrimaryContainer),
+                          Icon(Icons.schedule, size: 16, color: theme.colorScheme.onPrimaryContainer),
                           const SizedBox(width: 8),
                           Text(
                             'Scheduled for ${DateFormat('MMM d, h:mm a').format(state.scheduledAt!)}',
                             style: Theme.of(
                               context,
-                            ).textTheme.bodySmall?.copyWith(color: _theme.colorScheme.onPrimaryContainer),
+                            ).textTheme.bodySmall?.copyWith(color: theme.colorScheme.onPrimaryContainer),
                           ),
                           const SizedBox(width: 8),
                           GestureDetector(
                             onTap: () {
                               context.read<ComposeBloc>().add(const ScheduleCleared());
                             },
-                            child: Icon(Icons.close, size: 16, color: _theme.colorScheme.onPrimaryContainer),
+                            child: Icon(Icons.close, size: 16, color: theme.colorScheme.onPrimaryContainer),
                           ),
                         ],
                       ),
@@ -752,15 +703,15 @@ class _ComposeScreenState extends State<ComposeScreen> {
                                       padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
                                       decoration: BoxDecoration(
                                         color: attachment.altText.isNotEmpty
-                                            ? _theme.colorScheme.primary
+                                            ? theme.colorScheme.primary
                                             : Colors.black54,
                                         borderRadius: BorderRadius.circular(4),
                                       ),
                                       child: Text(
                                         'ALT',
-                                        style: _theme.textTheme.labelSmall?.copyWith(
+                                        style: theme.textTheme.labelSmall?.copyWith(
                                           color: attachment.altText.isNotEmpty
-                                              ? _theme.colorScheme.onPrimary
+                                              ? theme.colorScheme.onPrimary
                                               : Colors.white,
                                           fontWeight: FontWeight.bold,
                                         ),
@@ -802,9 +753,9 @@ class _ComposeScreenState extends State<ComposeScreen> {
                       margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
                       padding: const EdgeInsets.all(12),
                       decoration: BoxDecoration(
-                        color: _theme.colorScheme.surfaceContainerHighest,
+                        color: theme.colorScheme.surfaceContainerHighest,
                         borderRadius: BorderRadius.circular(12),
-                        border: Border.all(color: video.hasError ? _theme.colorScheme.error : _theme.dividerColor),
+                        border: Border.all(color: video.hasError ? theme.colorScheme.error : theme.dividerColor),
                       ),
                       child: Row(
                         children: [
@@ -812,7 +763,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
                             width: 48,
                             height: 48,
                             decoration: BoxDecoration(
-                              color: _theme.colorScheme.primaryContainer,
+                              color: theme.colorScheme.primaryContainer,
                               borderRadius: BorderRadius.circular(8),
                             ),
                             child: video.isActive
@@ -828,8 +779,8 @@ class _ComposeScreenState extends State<ComposeScreen> {
                                 : Icon(
                                     video.hasError ? Icons.error_outline : Icons.videocam_outlined,
                                     color: video.hasError
-                                        ? _theme.colorScheme.error
-                                        : _theme.colorScheme.onPrimaryContainer,
+                                        ? theme.colorScheme.error
+                                        : theme.colorScheme.onPrimaryContainer,
                                   ),
                           ),
                           const SizedBox(width: 12),
@@ -839,17 +790,17 @@ class _ComposeScreenState extends State<ComposeScreen> {
                               children: [
                                 Text(
                                   video.localPath.split('/').last,
-                                  style: _theme.textTheme.bodyMedium,
+                                  style: theme.textTheme.bodyMedium,
                                   maxLines: 1,
                                   overflow: TextOverflow.ellipsis,
                                 ),
                                 const SizedBox(height: 2),
                                 Text(
                                   _videoStatusLabel(video),
-                                  style: _theme.textTheme.bodySmall?.copyWith(
+                                  style: theme.textTheme.bodySmall?.copyWith(
                                     color: video.hasError
-                                        ? _theme.colorScheme.error
-                                        : _theme.colorScheme.onSurfaceVariant,
+                                        ? theme.colorScheme.error
+                                        : theme.colorScheme.onSurfaceVariant,
                                   ),
                                 ),
                                 if (video.isActive && video.uploadProgress > 0) ...[
@@ -868,14 +819,14 @@ class _ComposeScreenState extends State<ComposeScreen> {
                               tooltip: 'Add alt text',
                               onPressed: () => _showVideoAltTextDialog(video.altText),
                               color: video.altText.isNotEmpty
-                                  ? _theme.colorScheme.primary
-                                  : _theme.colorScheme.onSurfaceVariant,
+                                  ? theme.colorScheme.primary
+                                  : theme.colorScheme.onSurfaceVariant,
                             ),
                           ],
                           IconButton(
                             icon: const Icon(Icons.close),
                             onPressed: () => context.read<ComposeBloc>().add(const VideoRemoved()),
-                            color: _theme.colorScheme.onSurfaceVariant,
+                            color: theme.colorScheme.onSurfaceVariant,
                           ),
                         ],
                       ),
@@ -892,7 +843,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
                 const SizedBox(height: 8),
                 Container(
                   decoration: BoxDecoration(
-                    border: Border(top: BorderSide(color: _theme.dividerColor)),
+                    border: Border(top: BorderSide(color: theme.dividerColor)),
                   ),
                   padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
                   child: SafeArea(
@@ -906,8 +857,8 @@ class _ComposeScreenState extends State<ComposeScreen> {
                               icon: Icon(
                                 Icons.image_outlined,
                                 color: state.canAddMoreMedia
-                                    ? _theme.colorScheme.primary
-                                    : _theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.5),
+                                    ? theme.colorScheme.primary
+                                    : theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.5),
                               ),
                               tooltip: 'Add image',
                             );
@@ -921,8 +872,8 @@ class _ComposeScreenState extends State<ComposeScreen> {
                               icon: Icon(
                                 Icons.videocam_outlined,
                                 color: state.canAddVideo
-                                    ? _theme.colorScheme.primary
-                                    : _theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.5),
+                                    ? theme.colorScheme.primary
+                                    : theme.colorScheme.onSurfaceVariant.withValues(alpha: 0.5),
                               ),
                               tooltip: 'Add video',
                             );
@@ -933,7 +884,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
                             if (state.isEditing) return const SizedBox.shrink();
                             return IconButton(
                               onPressed: _toggleDrafts,
-                              icon: Icon(Icons.drive_file_rename_outline, color: _theme.colorScheme.primary),
+                              icon: Icon(Icons.drive_file_rename_outline, color: theme.colorScheme.primary),
                               tooltip: 'Drafts',
                             );
                           },
@@ -943,7 +894,7 @@ class _ComposeScreenState extends State<ComposeScreen> {
                             if (state.isEditing) return const SizedBox.shrink();
                             return IconButton(
                               onPressed: _showSchedulePicker,
-                              icon: Icon(Icons.schedule, color: _theme.colorScheme.primary),
+                              icon: Icon(Icons.schedule, color: theme.colorScheme.primary),
                               tooltip: 'Schedule',
                             );
                           },
diff --git a/lib/features/feed/presentation/feed_management_screen.dart b/lib/features/feed/presentation/feed_management_screen.dart
index 68150dd..a5acaac 100644
--- a/lib/features/feed/presentation/feed_management_screen.dart
+++ b/lib/features/feed/presentation/feed_management_screen.dart
@@ -4,6 +4,8 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lazurite/features/feed/cubit/feed_preferences_cubit.dart';
 import 'package:lazurite/features/feed/data/feed_repository.dart';
+import 'package:lazurite/shared/presentation/helpers/snackbar_helper.dart';
+import 'package:lazurite/shared/presentation/widgets/confirmation_dialog.dart';
 import 'package:lazurite/shared/presentation/widgets/empty_state.dart';
 import 'package:lazurite/shared/presentation/widgets/loading_state.dart';
 
@@ -50,14 +52,11 @@ class _FeedManagementScreenState extends State<FeedManagementScreen> {
       body: BlocConsumer<FeedPreferencesCubit, FeedPreferencesState>(
         listener: (context, state) {
           if (state.status == FeedPreferencesStatus.saveError) {
-            ScaffoldMessenger.of(context).showSnackBar(
-              SnackBar(
-                content: Text('Failed to sync: ${state.message}'),
-                action: SnackBarAction(
-                  label: 'Dismiss',
-                  onPressed: () => context.read<FeedPreferencesCubit>().clearError(),
-                ),
-              ),
+            showAppSnackBar(
+              context,
+              'Failed to sync: ${state.message}',
+              actionLabel: 'Dismiss',
+              onAction: () => context.read<FeedPreferencesCubit>().clearError(),
             );
           }
         },
@@ -334,23 +333,14 @@ class _FeedManagementScreenState extends State<FeedManagementScreen> {
     return feed.uri.rkey;
   }
 
-  void _confirmRemoveFeed(BuildContext context, String feedId) {
-    showDialog<void>(
+  Future<void> _confirmRemoveFeed(BuildContext context, String feedId) async {
+    await showConfirmationDialog(
       context: context,
-      builder: (context) => AlertDialog(
-        title: const Text('Remove Feed'),
-        content: const Text('Are you sure you want to remove this feed from your saved feeds?'),
-        actions: [
-          TextButton(onPressed: () => Navigator.of(context).pop(), child: const Text('Cancel')),
-          TextButton(
-            onPressed: () {
-              context.read<FeedPreferencesCubit>().removeFeed(feedId);
-              Navigator.of(context).pop();
-            },
-            child: Text('Remove', style: TextStyle(color: Theme.of(context).colorScheme.error)),
-          ),
-        ],
-      ),
+      title: const Text('Remove Feed'),
+      content: const Text('Are you sure you want to remove this feed from your saved feeds?'),
+      confirmLabel: 'Remove',
+      confirmDestructive: true,
+      onConfirmed: () => context.read<FeedPreferencesCubit>().removeFeed(feedId),
     );
   }
 }
diff --git a/lib/features/feed/presentation/post_thread_screen.dart b/lib/features/feed/presentation/post_thread_screen.dart
index 70b4ca1..316c764 100644
--- a/lib/features/feed/presentation/post_thread_screen.dart
+++ b/lib/features/feed/presentation/post_thread_screen.dart
@@ -28,6 +28,9 @@ import 'package:lazurite/features/profile/cubit/profile_action_cubit.dart';
 import 'package:lazurite/features/profile/data/profile_action_repository.dart';
 import 'package:lazurite/features/profile/presentation/widgets/report_dialog.dart';
 import 'package:lazurite/features/settings/bloc/settings_cubit.dart';
+import 'package:lazurite/shared/presentation/helpers/snackbar_helper.dart';
+import 'package:lazurite/shared/presentation/widgets/confirmation_dialog.dart';
+import 'package:lazurite/shared/presentation/widgets/options_sheet.dart';
 
 class PostThreadScreen extends StatelessWidget {
   const PostThreadScreen({super.key, required this.postUri});
@@ -635,9 +638,7 @@ class _FocusedPostWithActions extends StatelessWidget {
       child: BlocListener<PostActionCubit, PostActionState>(
         listenWhen: (previous, current) => previous.error != current.error && current.error != null,
         listener: (context, state) {
-          ScaffoldMessenger.of(
-            context,
-          ).showSnackBar(SnackBar(content: Text(state.error!), behavior: SnackBarBehavior.floating));
+          showAppSnackBar(context, state.error!, behavior: SnackBarBehavior.floating);
           context.read<PostActionCubit>().clearError();
         },
         child: _FocusedPostContent(thread: thread, accountDid: accountDid),
@@ -722,7 +723,7 @@ class _FocusedPostContent extends StatelessWidget {
 
   void _showInteractions(BuildContext context, PostView post, {required bool showLikes}) {
     final repository = context.read<PostActionRepository>();
-    showModalBottomSheet<void>(
+    showAppBottomSheet<void>(
       context: context,
       isScrollControlled: true,
       builder: (_) => PostInteractionsSheet(
@@ -836,57 +837,34 @@ class _FocusedPostContent extends StatelessWidget {
     final postUri = post.uri.toString();
     final bskyUrl = _convertAtUriToBskyUrl(postUri);
 
-    showModalBottomSheet<void>(
+    showOptionsSheet<void>(
       context: context,
-      builder: (sheetContext) => SafeArea(
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            ListTile(
-              leading: const Icon(Icons.copy),
-              title: const Text('Copy Link'),
-              onTap: () {
-                Navigator.pop(sheetContext);
-                _copyToClipboard(context, bskyUrl);
-              },
-            ),
-            ListTile(
-              leading: const Icon(Icons.person_outline),
-              title: Text('View @${post.author.handle}'),
-              onTap: () {
-                Navigator.pop(sheetContext);
-                context.push('/profile/view?actor=${Uri.encodeQueryComponent(post.author.did)}');
-              },
-            ),
-            ListTile(
-              leading: const Icon(Icons.report_outlined, color: Colors.orange),
-              title: const Text('Report Post', style: TextStyle(color: Colors.orange)),
-              onTap: () {
-                Navigator.pop(sheetContext);
-                _showReportDialog(context);
-              },
-            ),
-            if (post.author.did == accountDid)
-              ListTile(
-                leading: const Icon(Icons.edit_outlined),
-                title: const Text('Edit Post'),
-                onTap: () {
-                  Navigator.pop(sheetContext);
-                  unawaited(_onEdit(context));
-                },
-              ),
-            if (post.author.did == accountDid)
-              ListTile(
-                leading: Icon(Icons.delete_outline, color: Theme.of(context).colorScheme.error),
-                title: Text('Delete Post', style: TextStyle(color: Theme.of(context).colorScheme.error)),
-                onTap: () {
-                  Navigator.pop(sheetContext);
-                  _confirmDelete(context);
-                },
-              ),
-          ],
+      items: [
+        OptionsSheetItem(
+          leading: const Icon(Icons.copy),
+          title: 'Copy Link',
+          onTap: () => _copyToClipboard(context, bskyUrl),
         ),
-      ),
+        OptionsSheetItem(
+          leading: const Icon(Icons.person_outline),
+          title: 'View @${post.author.handle}',
+          onTap: () => context.push('/profile/view?actor=${Uri.encodeQueryComponent(post.author.did)}'),
+        ),
+        OptionsSheetItem(
+          leading: const Icon(Icons.report_outlined, color: Colors.orange),
+          title: 'Report Post',
+          onTap: () => _showReportDialog(context),
+        ),
+        if (post.author.did == accountDid)
+          OptionsSheetItem(leading: const Icon(Icons.edit_outlined), title: 'Edit Post', onTap: () => _onEdit(context)),
+        if (post.author.did == accountDid)
+          OptionsSheetItem(
+            leading: Icon(Icons.delete_outline, color: Theme.of(context).colorScheme.error),
+            title: 'Delete Post',
+            isDestructive: true,
+            onTap: () => _confirmDelete(context),
+          ),
+      ],
     );
   }
 
@@ -956,11 +934,10 @@ class _FocusedPostContent extends StatelessWidget {
     }
 
     if (context.mounted && expectedText != null) {
-      ScaffoldMessenger.of(context).showSnackBar(
-        const SnackBar(
-          content: Text('Edit saved. Your updates may take a moment to appear across feeds.'),
-          behavior: SnackBarBehavior.floating,
-        ),
+      showAppSnackBar(
+        context,
+        'Edit saved. Your updates may take a moment to appear across feeds.',
+        behavior: SnackBarBehavior.floating,
       );
     }
   }
@@ -980,35 +957,20 @@ class _FocusedPostContent extends StatelessWidget {
     );
   }
 
-  void _confirmDelete(BuildContext context) {
-    showDialog<void>(
+  Future<void> _confirmDelete(BuildContext context) async {
+    await showConfirmationDialog(
       context: context,
-      builder: (dialogContext) => AlertDialog(
-        title: const Text('Delete Post?'),
-        content: const Text('This action cannot be undone.'),
-        actions: [
-          TextButton(onPressed: () => Navigator.pop(dialogContext), child: const Text('Cancel')),
-          FilledButton(
-            onPressed: () {
-              Navigator.pop(dialogContext);
-              context.read<PostActionCubit>().deletePost();
-            },
-            style: FilledButton.styleFrom(
-              backgroundColor: Theme.of(context).colorScheme.error,
-              foregroundColor: Theme.of(context).colorScheme.onError,
-            ),
-            child: const Text('Delete'),
-          ),
-        ],
-      ),
+      title: const Text('Delete Post?'),
+      content: const Text('This action cannot be undone.'),
+      confirmLabel: 'Delete',
+      confirmDestructive: true,
+      onConfirmed: () => context.read<PostActionCubit>().deletePost(),
     );
   }
 
   void _copyToClipboard(BuildContext context, String text) {
     Clipboard.setData(ClipboardData(text: text));
-    ScaffoldMessenger.of(
-      context,
-    ).showSnackBar(const SnackBar(content: Text('Link copied to clipboard'), behavior: SnackBarBehavior.floating));
+    showAppSnackBar(context, 'Link copied to clipboard', behavior: SnackBarBehavior.floating);
   }
 
   (String, String) _findRoot() {
diff --git a/lib/features/feed/presentation/widgets/post_action_bar.dart b/lib/features/feed/presentation/widgets/post_action_bar.dart
index 5d7e7b9..8e9bf59 100644
--- a/lib/features/feed/presentation/widgets/post_action_bar.dart
+++ b/lib/features/feed/presentation/widgets/post_action_bar.dart
@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:lazurite/core/logging/app_logger.dart';
 import 'package:lazurite/features/connectivity/connectivity_helpers.dart';
+import 'package:lazurite/shared/presentation/widgets/options_sheet.dart';
 import 'package:lazurite/shared/utils/format_utils.dart';
 import 'package:share_plus/share_plus.dart';
 
@@ -124,34 +125,23 @@ class PostActionBar extends StatelessWidget {
 
   void _showRepostOptions(BuildContext context) {
     HapticFeedback.mediumImpact();
-    showModalBottomSheet<void>(
+    showOptionsSheet<void>(
       context: context,
-      builder: (context) => SafeArea(
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            ListTile(
-              leading: Icon(isReposted ? Icons.repeat : Icons.repeat, color: isReposted ? Colors.green : null),
-              title: Text(isReposted ? 'Unrepost' : 'Repost'),
-              subtitle: Text(isReposted ? 'Remove this repost' : 'Share this post'),
-              onTap: () {
-                Navigator.pop(context);
-                onRepost?.call();
-              },
-            ),
-            if (!isReposted)
-              ListTile(
-                leading: const Icon(Icons.format_quote),
-                title: const Text('Quote Post'),
-                subtitle: const Text('Quote this post with your own text'),
-                onTap: () {
-                  Navigator.pop(context);
-                  onQuote?.call();
-                },
-              ),
-          ],
+      items: [
+        OptionsSheetItem(
+          leading: Icon(Icons.repeat, color: isReposted ? Colors.green : null),
+          title: isReposted ? 'Unrepost' : 'Repost',
+          subtitle: isReposted ? 'Remove this repost' : 'Share this post',
+          onTap: onRepost,
         ),
-      ),
+        if (!isReposted)
+          OptionsSheetItem(
+            leading: const Icon(Icons.format_quote),
+            title: 'Quote Post',
+            subtitle: 'Quote this post with your own text',
+            onTap: onQuote,
+          ),
+      ],
     );
   }
 
@@ -159,41 +149,26 @@ class PostActionBar extends StatelessWidget {
     HapticFeedback.mediumImpact();
     final isLocalSaved = isSaved && (saveType == 'local' || saveType == 'both');
     final isCloudSaved = saveType == 'cloud' || saveType == 'both';
-    showModalBottomSheet<void>(
+    showOptionsSheet<void>(
       context: context,
-      builder: (context) => SafeArea(
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            ListTile(
-              leading: Icon(
-                isLocalSaved ? Icons.bookmark_remove_outlined : Icons.bookmark_add_outlined,
-                color: Colors.amber,
-              ),
-              title: Text(isLocalSaved ? 'Remove local save' : 'Save locally'),
-              onTap: () {
-                Navigator.pop(context);
-                onSave?.call();
-              },
-            ),
-            ListTile(
-              leading: Icon(
-                isCloudSaved ? Icons.cloud_off_outlined : Icons.cloud_outlined,
-                color: Theme.of(context).colorScheme.primary,
-              ),
-              title: Text(isCloudSaved ? 'Remove from Bluesky' : 'Save to Bluesky'),
-              onTap: () {
-                Navigator.pop(context);
-                if (isCloudSaved) {
-                  onCloudUnsave?.call();
-                } else {
-                  onCloudSave?.call();
-                }
-              },
-            ),
-          ],
+      items: [
+        OptionsSheetItem(
+          leading: Icon(
+            isLocalSaved ? Icons.bookmark_remove_outlined : Icons.bookmark_add_outlined,
+            color: Colors.amber,
+          ),
+          title: isLocalSaved ? 'Remove local save' : 'Save locally',
+          onTap: onSave,
         ),
-      ),
+        OptionsSheetItem(
+          leading: Icon(
+            isCloudSaved ? Icons.cloud_off_outlined : Icons.cloud_outlined,
+            color: Theme.of(context).colorScheme.primary,
+          ),
+          title: isCloudSaved ? 'Remove from Bluesky' : 'Save to Bluesky',
+          onTap: isCloudSaved ? onCloudUnsave : onCloudSave,
+        ),
+      ],
     );
   }
 
diff --git a/lib/features/feed/presentation/widgets/post_card_footer.dart b/lib/features/feed/presentation/widgets/post_card_footer.dart
index 27153d3..50ff9db 100644
--- a/lib/features/feed/presentation/widgets/post_card_footer.dart
+++ b/lib/features/feed/presentation/widgets/post_card_footer.dart
@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:lazurite/features/connectivity/connectivity_helpers.dart';
+import 'package:lazurite/shared/presentation/widgets/options_sheet.dart';
 import 'package:lazurite/shared/utils/format_utils.dart';
 
 /// Formats a post timestamp as a short, uppercase string.
@@ -177,41 +178,26 @@ class PostCardFooter extends StatelessWidget {
     final isLocalSaved = isSaved && (saveType == 'local' || saveType == 'both');
     final isCloudSaved = saveType == 'cloud' || saveType == 'both';
 
-    showModalBottomSheet<void>(
+    showOptionsSheet<void>(
       context: context,
-      builder: (context) => SafeArea(
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            ListTile(
-              leading: Icon(
-                isLocalSaved ? Icons.bookmark_remove_outlined : Icons.bookmark_add_outlined,
-                color: Colors.amber,
-              ),
-              title: Text(isLocalSaved ? 'Remove local save' : 'Save locally'),
-              onTap: () {
-                Navigator.pop(context);
-                onSave?.call();
-              },
-            ),
-            ListTile(
-              leading: Icon(
-                isCloudSaved ? Icons.cloud_off_outlined : Icons.cloud_outlined,
-                color: Theme.of(context).colorScheme.primary,
-              ),
-              title: Text(isCloudSaved ? 'Remove from Bluesky' : 'Save to Bluesky'),
-              onTap: () {
-                Navigator.pop(context);
-                if (isCloudSaved) {
-                  onCloudUnsave?.call();
-                } else {
-                  onCloudSave?.call();
-                }
-              },
-            ),
-          ],
+      items: [
+        OptionsSheetItem(
+          leading: Icon(
+            isLocalSaved ? Icons.bookmark_remove_outlined : Icons.bookmark_add_outlined,
+            color: Colors.amber,
+          ),
+          title: isLocalSaved ? 'Remove local save' : 'Save locally',
+          onTap: onSave,
         ),
-      ),
+        OptionsSheetItem(
+          leading: Icon(
+            isCloudSaved ? Icons.cloud_off_outlined : Icons.cloud_outlined,
+            color: Theme.of(context).colorScheme.primary,
+          ),
+          title: isCloudSaved ? 'Remove from Bluesky' : 'Save to Bluesky',
+          onTap: isCloudSaved ? onCloudUnsave : onCloudSave,
+        ),
+      ],
     );
   }
 }
diff --git a/lib/features/feed/presentation/widgets/post_card_with_actions.dart b/lib/features/feed/presentation/widgets/post_card_with_actions.dart
index 434a330..6f774d9 100644
--- a/lib/features/feed/presentation/widgets/post_card_with_actions.dart
+++ b/lib/features/feed/presentation/widgets/post_card_with_actions.dart
@@ -16,6 +16,7 @@ import 'package:lazurite/features/feed/data/post_action_repository.dart';
 import 'package:lazurite/features/feed/presentation/widgets/grid_post_card.dart';
 import 'package:lazurite/features/feed/presentation/widgets/post_card.dart';
 import 'package:lazurite/features/feed/presentation/widgets/post_card_footer.dart';
+import 'package:lazurite/shared/presentation/helpers/snackbar_helper.dart';
 
 /// Controls which card layout variant is rendered by [PostCardWithActions].
 enum PostCardVariant { linear, grid }
@@ -87,32 +88,27 @@ class _PostCardWithActionsContent extends StatelessWidget {
           (previous.error != current.error && current.error != null) || (!previous.isDeleted && current.isDeleted),
       listener: (context, state) {
         if (state.isDeleted) {
-          ScaffoldMessenger.of(
-            context,
-          ).showSnackBar(const SnackBar(content: Text('Post deleted'), behavior: SnackBarBehavior.floating));
+          showAppSnackBar(context, 'Post deleted', behavior: SnackBarBehavior.floating);
           onDeleted?.call();
           return;
         }
         if (state.error != null) {
           final cubit = context.read<PostActionCubit>();
           final error = state.error!;
-          ScaffoldMessenger.of(context).showSnackBar(
-            SnackBar(
-              content: Text(error),
-              behavior: SnackBarBehavior.floating,
-              action: SnackBarAction(
-                label: 'Retry',
-                onPressed: () {
-                  if (error.contains('like')) {
-                    cubit.toggleLike();
-                  } else if (error.contains('repost')) {
-                    cubit.toggleRepost();
-                  } else if (error.contains('delete')) {
-                    cubit.deletePost();
-                  }
-                },
-              ),
-            ),
+          showAppSnackBar(
+            context,
+            error,
+            behavior: SnackBarBehavior.floating,
+            actionLabel: 'Retry',
+            onAction: () {
+              if (error.contains('like')) {
+                cubit.toggleLike();
+              } else if (error.contains('repost')) {
+                cubit.toggleRepost();
+              } else if (error.contains('delete')) {
+                cubit.deletePost();
+              }
+            },
           );
           cubit.clearError();
         }
diff --git a/lib/features/lists/presentation/list_detail_screen.dart b/lib/features/lists/presentation/list_detail_screen.dart
index 072a386..028fb07 100644
--- a/lib/features/lists/presentation/list_detail_screen.dart
+++ b/lib/features/lists/presentation/list_detail_screen.dart
@@ -11,6 +11,8 @@ import 'package:lazurite/features/lists/bloc/list_bloc.dart';
 import 'package:lazurite/features/lists/bloc/list_feed_bloc.dart';
 import 'package:lazurite/features/lists/data/list_repository.dart';
 import 'package:lazurite/features/lists/presentation/widgets/create_edit_list_dialog.dart';
+import 'package:lazurite/shared/presentation/widgets/confirmation_dialog.dart';
+import 'package:lazurite/shared/presentation/widgets/options_sheet.dart';
 
 class ListDetailScreen extends StatelessWidget {
   const ListDetailScreen({super.key, required this.listUri});
@@ -93,26 +95,15 @@ class _ListDetailViewState extends State<_ListDetailView> with SingleTickerProvi
   }
 
   Future<void> _confirmDelete(BuildContext context) async {
-    final confirmed = await showDialog<bool>(
+    final confirmed = await showConfirmationDialog(
       context: context,
-      builder: (dialogContext) => AlertDialog(
-        title: const Text('Delete list?'),
-        content: const Text('This action cannot be undone.'),
-        actions: [
-          TextButton(onPressed: () => Navigator.pop(dialogContext, false), child: const Text('Cancel')),
-          FilledButton(
-            style: FilledButton.styleFrom(
-              backgroundColor: Theme.of(dialogContext).colorScheme.error,
-              foregroundColor: Theme.of(dialogContext).colorScheme.onError,
-            ),
-            onPressed: () => Navigator.pop(dialogContext, true),
-            child: const Text('Delete'),
-          ),
-        ],
-      ),
+      title: const Text('Delete list?'),
+      content: const Text('This action cannot be undone.'),
+      confirmLabel: 'Delete',
+      confirmDestructive: true,
     );
 
-    if (confirmed == true && context.mounted) {
+    if (confirmed && context.mounted) {
       final userDid = context.read<AuthBloc>().state.tokens?.did;
       if (userDid != null) {
         context.read<ListBloc>().add(ListDeleted(userDid: userDid));
@@ -128,62 +119,46 @@ class _ListDetailViewState extends State<_ListDetailView> with SingleTickerProvi
     final isBlocked = list.viewer?.hasBlocked ?? false;
     final isOwn = _isOwnList(context, list);
 
-    showModalBottomSheet<void>(
+    showOptionsSheet<void>(
       context: context,
-      builder: (sheetContext) => SafeArea(
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            if (isOwn) ...[
-              ListTile(
-                leading: const Icon(Icons.edit_outlined),
-                title: const Text('Edit list'),
-                onTap: () {
-                  Navigator.pop(sheetContext);
-                  _showEditDialog(context, list);
-                },
-              ),
-              ListTile(
-                leading: const Icon(Icons.person_add_outlined),
-                title: const Text('Add members'),
-                onTap: () async {
-                  final listUriStr = Uri.encodeComponent(list.uri.toString());
-                  Navigator.pop(sheetContext);
-                  await context.push('/list/members?uri=$listUriStr');
-                  if (context.mounted) {
-                    context.read<ListBloc>().add(const ListRefreshed());
-                  }
-                },
-              ),
-              ListTile(
-                leading: Icon(Icons.delete_outline, color: Theme.of(context).colorScheme.error),
-                title: Text('Delete list', style: TextStyle(color: Theme.of(context).colorScheme.error)),
-                onTap: () {
-                  Navigator.pop(sheetContext);
-                  _confirmDelete(context);
-                },
-              ),
-            ],
-            ListTile(
-              leading: Icon(isMuted ? Icons.volume_up_outlined : Icons.volume_off_outlined),
-              title: Text(isMuted ? 'Unmute list' : 'Mute list'),
-              onTap: () {
-                Navigator.pop(sheetContext);
-                context.read<ListBloc>().add(isMuted ? const ListUnmuted() : const ListMuted());
-              },
-            ),
-            if (list.purpose.knownValue == bsky_graph.KnownListPurpose.appBskyGraphDefsModlist)
-              ListTile(
-                leading: Icon(isBlocked ? Icons.block_flipped : Icons.block_outlined),
-                title: Text(isBlocked ? 'Unblock via list' : 'Block via list'),
-                onTap: () {
-                  Navigator.pop(sheetContext);
-                  context.read<ListBloc>().add(isBlocked ? const ListUnblocked() : const ListBlocked());
-                },
-              ),
-          ],
+      items: [
+        if (isOwn)
+          OptionsSheetItem(
+            leading: const Icon(Icons.edit_outlined),
+            title: 'Edit list',
+            onTap: () => _showEditDialog(context, list),
+          ),
+        if (isOwn)
+          OptionsSheetItem(
+            leading: const Icon(Icons.person_add_outlined),
+            title: 'Add members',
+            onTap: () async {
+              final listUriStr = Uri.encodeComponent(list.uri.toString());
+              await context.push('/list/members?uri=$listUriStr');
+              if (context.mounted) {
+                context.read<ListBloc>().add(const ListRefreshed());
+              }
+            },
+          ),
+        if (isOwn)
+          OptionsSheetItem(
+            leading: Icon(Icons.delete_outline, color: Theme.of(context).colorScheme.error),
+            title: 'Delete list',
+            isDestructive: true,
+            onTap: () => _confirmDelete(context),
+          ),
+        OptionsSheetItem(
+          leading: Icon(isMuted ? Icons.volume_up_outlined : Icons.volume_off_outlined),
+          title: isMuted ? 'Unmute list' : 'Mute list',
+          onTap: () => context.read<ListBloc>().add(isMuted ? const ListUnmuted() : const ListMuted()),
         ),
-      ),
+        if (list.purpose.knownValue == bsky_graph.KnownListPurpose.appBskyGraphDefsModlist)
+          OptionsSheetItem(
+            leading: Icon(isBlocked ? Icons.block_flipped : Icons.block_outlined),
+            title: isBlocked ? 'Unblock via list' : 'Block via list',
+            onTap: () => context.read<ListBloc>().add(isBlocked ? const ListUnblocked() : const ListBlocked()),
+          ),
+      ],
     );
   }
 
diff --git a/lib/features/moderation/presentation/screens/moderation_settings_screen.dart b/lib/features/moderation/presentation/screens/moderation_settings_screen.dart
index 58607de..34c079f 100644
--- a/lib/features/moderation/presentation/screens/moderation_settings_screen.dart
+++ b/lib/features/moderation/presentation/screens/moderation_settings_screen.dart
@@ -6,6 +6,8 @@ import 'package:go_router/go_router.dart';
 import 'package:lazurite/features/moderation/data/moderation_service.dart';
 import 'package:lazurite/features/moderation/presentation/moderation_ui_helpers.dart';
 import 'package:lazurite/features/moderation/presentation/widgets/moderated_avatar.dart';
+import 'package:lazurite/shared/presentation/helpers/snackbar_helper.dart';
+import 'package:lazurite/shared/presentation/widgets/confirmation_dialog.dart';
 import 'package:lazurite/shared/utils/format_utils.dart';
 
 class ModerationSettingsScreen extends StatefulWidget {
@@ -61,7 +63,7 @@ class _ModerationSettingsScreenState extends State<ModerationSettingsScreen> {
       _reload();
     } catch (error) {
       if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Failed to update adult content: $error')));
+        showAppSnackBar(context, 'Failed to update adult content: $error', isError: true);
       }
     } finally {
       if (mounted) {
@@ -76,7 +78,7 @@ class _ModerationSettingsScreenState extends State<ModerationSettingsScreen> {
       _reload();
     } catch (error) {
       if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Failed to unsubscribe: $error')));
+        showAppSnackBar(context, 'Failed to unsubscribe: $error', isError: true);
       }
     }
   }
@@ -119,7 +121,7 @@ class _ModerationSettingsScreenState extends State<ModerationSettingsScreen> {
 
                   if (context.mounted) {
                     final name = details.creator.displayName ?? details.creator.handle;
-                    ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Subscribed to $name')));
+                    showAppSnackBar(context, 'Subscribed to $name');
                   }
                 }
               } catch (error) {
@@ -129,7 +131,7 @@ class _ModerationSettingsScreenState extends State<ModerationSettingsScreen> {
               }
             }
 
-            return AlertDialog(
+            return ConfirmationDialog(
               title: const Text('Add labeler'),
               content: SizedBox(
                 width: 420,
@@ -155,13 +157,10 @@ class _ModerationSettingsScreenState extends State<ModerationSettingsScreen> {
                   ],
                 ),
               ),
-              actions: [
-                TextButton(
-                  onPressed: isSubmitting ? null : () => Navigator.of(dialogContext).pop(),
-                  child: const Text('Cancel'),
-                ),
-                FilledButton(onPressed: isSubmitting ? null : submit, child: Text(isSubmitting ? 'Adding...' : 'Add')),
-              ],
+              confirmLabel: isSubmitting ? 'Adding...' : 'Add',
+              confirmEnabled: !isSubmitting,
+              onCancel: isSubmitting ? null : () => Navigator.of(dialogContext).pop(),
+              onConfirm: submit,
             );
           },
         );
diff --git a/lib/features/profile/presentation/profile_screen.dart b/lib/features/profile/presentation/profile_screen.dart
index 6b48234..231c6f8 100644
--- a/lib/features/profile/presentation/profile_screen.dart
+++ b/lib/features/profile/presentation/profile_screen.dart
@@ -35,6 +35,8 @@ import 'package:lazurite/features/settings/bloc/settings_state.dart';
 import 'package:lazurite/features/starter_packs/cubit/actor_starter_packs_cubit.dart';
 import 'package:lazurite/features/starter_packs/data/starter_pack_repository.dart';
 import 'package:lazurite/features/starter_packs/presentation/widgets/starter_pack_card.dart';
+import 'package:lazurite/shared/presentation/helpers/snackbar_helper.dart';
+import 'package:lazurite/shared/presentation/widgets/options_sheet.dart';
 import 'package:lazurite/shared/utils/format_utils.dart';
 import 'package:share_plus/share_plus.dart';
 import 'package:url_launcher/url_launcher.dart';
@@ -481,9 +483,7 @@ class _ProfileScreenState extends State<ProfileScreen> with TickerProviderStateM
       child: BlocConsumer<ProfileActionCubit, ProfileActionState>(
         listener: (context, state) {
           if (state.error != null) {
-            ScaffoldMessenger.of(
-              context,
-            ).showSnackBar(SnackBar(content: Text(state.error!), behavior: SnackBarBehavior.floating));
+            showAppSnackBar(context, state.error!, behavior: SnackBarBehavior.floating);
             context.read<ProfileActionCubit>().clearError();
           }
         },
@@ -510,92 +510,60 @@ class _ProfileScreenState extends State<ProfileScreen> with TickerProviderStateM
   }
 
   void _showOwnProfileMoreOptions(BuildContext context, ProfileViewDetailed profile) {
-    showModalBottomSheet<void>(
+    showOptionsSheet<void>(
       context: context,
-      builder: (sheetContext) => SafeArea(
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            ListTile(
-              leading: const Icon(Icons.hub_outlined),
-              title: const Text('Profile Context'),
-              onTap: () {
-                Navigator.pop(sheetContext);
-                context.push(
-                  '/profile-context?did=${Uri.encodeComponent(profile.did)}&handle=${Uri.encodeComponent(profile.handle)}',
-                );
-              },
-            ),
-            ListTile(
-              leading: const Icon(Icons.cleaning_services_outlined),
-              title: const Text('Clean Follows'),
-              onTap: () {
-                Navigator.pop(sheetContext);
-                context.push('/settings/clean-follows');
-              },
-            ),
-          ],
+      items: [
+        OptionsSheetItem(
+          leading: const Icon(Icons.hub_outlined),
+          title: 'Profile Context',
+          onTap: () => context.push(
+            '/profile-context?did=${Uri.encodeComponent(profile.did)}&handle=${Uri.encodeComponent(profile.handle)}',
+          ),
         ),
-      ),
+        OptionsSheetItem(
+          leading: const Icon(Icons.cleaning_services_outlined),
+          title: 'Clean Follows',
+          onTap: () => context.push('/settings/clean-follows'),
+        ),
+      ],
     );
   }
 
   void _showProfileMoreOptions(BuildContext context, ProfileViewDetailed profile) {
-    showModalBottomSheet<void>(
+    showOptionsSheet<void>(
       context: context,
-      builder: (sheetContext) => SafeArea(
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: [
-            ListTile(
-              leading: const Icon(Icons.copy),
-              title: const Text('Copy DID'),
-              onTap: () {
-                Clipboard.setData(ClipboardData(text: profile.did));
-                Navigator.pop(sheetContext);
-                ScaffoldMessenger.of(context).showSnackBar(
-                  const SnackBar(content: Text('DID copied to clipboard'), behavior: SnackBarBehavior.floating),
-                );
-              },
-            ),
-            ListTile(
-              leading: const Icon(Icons.share_outlined),
-              title: const Text('Share Profile'),
-              onTap: () {
-                Navigator.pop(sheetContext);
-                final url = 'https://bsky.app/profile/${profile.handle}';
-                Share.share(url);
-              },
-            ),
-            ListTile(
-              leading: const Icon(Icons.playlist_add_outlined),
-              title: const Text('Add to list'),
-              onTap: () {
-                Navigator.pop(sheetContext);
-                _showAddToList(context, profile);
-              },
-            ),
-            ListTile(
-              leading: const Icon(Icons.people_outline),
-              title: const Text('Suggested Follows'),
-              onTap: () {
-                Navigator.pop(sheetContext);
-                _showSuggestedFollows(context, profile);
-              },
-            ),
-            ListTile(
-              leading: const Icon(Icons.hub_outlined),
-              title: const Text('Profile Context'),
-              onTap: () {
-                Navigator.pop(sheetContext);
-                context.push(
-                  '/profile-context?did=${Uri.encodeComponent(profile.did)}&handle=${Uri.encodeComponent(profile.handle)}',
-                );
-              },
-            ),
-          ],
+      items: [
+        OptionsSheetItem(
+          leading: const Icon(Icons.copy),
+          title: 'Copy DID',
+          onTap: () {
+            Clipboard.setData(ClipboardData(text: profile.did));
+            showAppSnackBar(context, 'DID copied to clipboard', behavior: SnackBarBehavior.floating);
+          },
         ),
-      ),
+        OptionsSheetItem(
+          leading: const Icon(Icons.share_outlined),
+          title: 'Share Profile',
+          onTap: () => Share.share('https://bsky.app/profile/${profile.handle}'),
+        ),
+        OptionsSheetItem(
+          leading: const Icon(Icons.playlist_add_outlined),
+          title: 'Add to list',
+          onTap: () => _showAddToList(context, profile),
+        ),
+        OptionsSheetItem(
+          leading: const Icon(Icons.people_outline),
+          title: 'Suggested Follows',
+          onTap: () => _showSuggestedFollows(context, profile),
+        ),
+        OptionsSheetItem(
+          leading: const Icon(Icons.hub_outlined),
+          title: 'Profile Context',
+          onTap: () => context.push(
+            '/profile-context?did=${Uri.encodeComponent(profile.did)}&handle=${Uri.encodeComponent(profile.handle)}',
+          ),
+        ),
+      ],
     );
   }
 
@@ -611,7 +579,7 @@ class _ProfileScreenState extends State<ProfileScreen> with TickerProviderStateM
     final cubit = AddToListCubit(listRepository: listRepository, currentUserDid: currentUserDid)
       ..load(targetDid: profile.did);
 
-    showModalBottomSheet<void>(
+    showAppBottomSheet<void>(
       context: context,
       isScrollControlled: true,
       builder: (sheetContext) => BlocProvider.value(
@@ -688,7 +656,7 @@ class _ProfileScreenState extends State<ProfileScreen> with TickerProviderStateM
 
     final cubit = SuggestedFollowsCubit(repository: profileRepository)..load(profile.did);
 
-    showModalBottomSheet<void>(
+    showAppBottomSheet<void>(
       context: context,
       isScrollControlled: true,
       builder: (sheetContext) => BlocProvider.value(
diff --git a/lib/features/profile/presentation/widgets/profile_action_buttons.dart b/lib/features/profile/presentation/widgets/profile_action_buttons.dart
index f7f0152..b99e002 100644
--- a/lib/features/profile/presentation/widgets/profile_action_buttons.dart
+++ b/lib/features/profile/presentation/widgets/profile_action_buttons.dart
@@ -1,6 +1,9 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:lazurite/features/connectivity/connectivity_helpers.dart';
+import 'package:lazurite/shared/presentation/widgets/confirmation_dialog.dart';
 
 class ProfileActionButtons extends StatelessWidget {
   const ProfileActionButtons({
@@ -150,120 +153,67 @@ class ProfileActionButtons extends StatelessWidget {
     return button;
   }
 
-  void _confirmUnfollow(BuildContext context) {
-    HapticFeedback.mediumImpact();
-    showDialog<void>(
+  Future<void> _confirmUnfollow(BuildContext context) async {
+    unawaited(HapticFeedback.mediumImpact());
+    await showConfirmationDialog(
       context: context,
-      builder: (context) => AlertDialog(
-        title: const Text('Unfollow?'),
-        content: const Text('You will no longer see their posts in your feed.'),
-        actions: [
-          TextButton(onPressed: () => Navigator.pop(context), child: const Text('Cancel')),
-          FilledButton(
-            onPressed: () {
-              Navigator.pop(context);
-              onUnfollow?.call();
-            },
-            child: const Text('Unfollow'),
-          ),
-        ],
-      ),
+      title: const Text('Unfollow?'),
+      content: const Text('You will no longer see their posts in your feed.'),
+      confirmLabel: 'Unfollow',
+      onConfirmed: onUnfollow,
     );
   }
 
-  void _confirmMute(BuildContext context) {
-    HapticFeedback.mediumImpact();
-    showDialog<void>(
+  Future<void> _confirmMute(BuildContext context) async {
+    unawaited(HapticFeedback.mediumImpact());
+    await showConfirmationDialog(
       context: context,
-      builder: (context) => AlertDialog(
-        title: const Text('Mute Account?'),
-        content: const Text('You will no longer see their posts or receive notifications from them.'),
-        actions: [
-          TextButton(onPressed: () => Navigator.pop(context), child: const Text('Cancel')),
-          FilledButton(
-            onPressed: () {
-              Navigator.pop(context);
-              onMute?.call();
-            },
-            child: const Text('Mute'),
-          ),
-        ],
-      ),
+      title: const Text('Mute Account?'),
+      content: const Text('You will no longer see their posts or receive notifications from them.'),
+      confirmLabel: 'Mute',
+      onConfirmed: onMute,
     );
   }
 
-  void _confirmUnmute(BuildContext context) {
-    HapticFeedback.mediumImpact();
-    showDialog<void>(
+  Future<void> _confirmUnmute(BuildContext context) async {
+    unawaited(HapticFeedback.mediumImpact());
+    await showConfirmationDialog(
       context: context,
-      builder: (context) => AlertDialog(
-        title: const Text('Unmute Account?'),
-        content: const Text('You will see their posts and receive notifications again.'),
-        actions: [
-          TextButton(onPressed: () => Navigator.pop(context), child: const Text('Cancel')),
-          FilledButton(
-            onPressed: () {
-              Navigator.pop(context);
-              onUnmute?.call();
-            },
-            child: const Text('Unmute'),
-          ),
-        ],
-      ),
+      title: const Text('Unmute Account?'),
+      content: const Text('You will see their posts and receive notifications again.'),
+      confirmLabel: 'Unmute',
+      onConfirmed: onUnmute,
     );
   }
 
-  void _confirmBlock(BuildContext context) {
-    HapticFeedback.heavyImpact();
-    showDialog<void>(
+  Future<void> _confirmBlock(BuildContext context) async {
+    unawaited(HapticFeedback.heavyImpact());
+    await showConfirmationDialog(
       context: context,
-      builder: (context) => AlertDialog(
-        title: Row(
-          children: [
-            Icon(Icons.block, color: Theme.of(context).colorScheme.error),
-            const SizedBox(width: 8),
-            const Text('Block Account?'),
-          ],
-        ),
-        content: const Text(
-          'They will not be able to see your posts or interact with you. They will not be notified that you blocked them.',
-        ),
-        actions: [
-          TextButton(onPressed: () => Navigator.pop(context), child: const Text('Cancel')),
-          FilledButton(
-            onPressed: () {
-              Navigator.pop(context);
-              onBlock?.call();
-            },
-            style: FilledButton.styleFrom(
-              backgroundColor: Theme.of(context).colorScheme.error,
-              foregroundColor: Theme.of(context).colorScheme.onError,
-            ),
-            child: const Text('Block'),
-          ),
+      title: Row(
+        children: [
+          Icon(Icons.block, color: Theme.of(context).colorScheme.error),
+          const SizedBox(width: 8),
+          const Text('Block Account?'),
         ],
       ),
+      content: const Text(
+        'They will not be able to see your posts or interact with you. They will not be notified that you blocked them.',
+      ),
+      confirmLabel: 'Block',
+      confirmDestructive: true,
+      onConfirmed: onBlock,
     );
   }
 
-  void _confirmUnblock(BuildContext context) {
-    HapticFeedback.mediumImpact();
-    showDialog<void>(
+  Future<void> _confirmUnblock(BuildContext context) async {
+    unawaited(HapticFeedback.mediumImpact());
+    await showConfirmationDialog(
       context: context,
-      builder: (context) => AlertDialog(
-        title: const Text('Unblock Account?'),
-        content: const Text('They will be able to see your posts and interact with you again.'),
-        actions: [
-          TextButton(onPressed: () => Navigator.pop(context), child: const Text('Cancel')),
-          FilledButton(
-            onPressed: () {
-              Navigator.pop(context);
-              onUnblock?.call();
-            },
-            child: const Text('Unblock'),
-          ),
-        ],
-      ),
+      title: const Text('Unblock Account?'),
+      content: const Text('They will be able to see your posts and interact with you again.'),
+      confirmLabel: 'Unblock',
+      onConfirmed: onUnblock,
     );
   }
 }
diff --git a/lib/features/search/presentation/hashtag_screen.dart b/lib/features/search/presentation/hashtag_screen.dart
index 1247d02..98c5c76 100644
--- a/lib/features/search/presentation/hashtag_screen.dart
+++ b/lib/features/search/presentation/hashtag_screen.dart
@@ -12,6 +12,7 @@ import 'package:lazurite/features/moderation/presentation/widgets/moderated_blur
 import 'package:lazurite/features/moderation/presentation/widgets/moderation_badge_row.dart';
 import 'package:lazurite/features/search/cubit/hashtag_cubit.dart';
 import 'package:lazurite/features/search/data/hashtag_utils.dart';
+import 'package:lazurite/shared/presentation/widgets/options_sheet.dart';
 import 'package:lazurite/shared/utils/format_utils.dart';
 
 class HashtagScreen extends StatefulWidget {
@@ -72,7 +73,7 @@ class _HashtagScreenState extends State<HashtagScreen> {
       context.go('/hashtag?tag=${Uri.encodeQueryComponent(normalized)}');
     }
 
-    showModalBottomSheet<void>(
+    showAppBottomSheet<void>(
       context: context,
       isScrollControlled: true,
       builder: (sheetContext) {
diff --git a/lib/features/search/presentation/search_screen.dart b/lib/features/search/presentation/search_screen.dart
index 9194c48..73d878b 100644
--- a/lib/features/search/presentation/search_screen.dart
+++ b/lib/features/search/presentation/search_screen.dart
@@ -16,6 +16,8 @@ import 'package:lazurite/features/moderation/presentation/widgets/moderated_blur
 import 'package:lazurite/features/moderation/presentation/widgets/moderation_badge_row.dart';
 import 'package:lazurite/features/search/bloc/search_bloc.dart';
 import 'package:lazurite/features/starter_packs/presentation/widgets/starter_pack_card.dart';
+import 'package:lazurite/shared/presentation/helpers/snackbar_helper.dart';
+import 'package:lazurite/shared/presentation/widgets/confirmation_dialog.dart';
 import 'package:lazurite/shared/utils/format_utils.dart';
 
 class SearchScreen extends StatefulWidget {
@@ -93,23 +95,13 @@ class _SearchScreenState extends State<SearchScreen> {
     context.read<SearchBloc>().add(HistoryEntryDeleted(id: id));
   }
 
-  void _onClearHistory() {
-    showDialog(
+  Future<void> _onClearHistory() async {
+    await showConfirmationDialog(
       context: context,
-      builder: (context) => AlertDialog(
-        title: const Text('Clear search history?'),
-        content: const Text('This will delete all your recent searches.'),
-        actions: [
-          TextButton(onPressed: () => Navigator.pop(context), child: const Text('Cancel')),
-          TextButton(
-            onPressed: () {
-              Navigator.pop(context);
-              context.read<SearchBloc>().add(const HistoryCleared());
-            },
-            child: const Text('Clear'),
-          ),
-        ],
-      ),
+      title: const Text('Clear search history?'),
+      content: const Text('This will delete all your recent searches.'),
+      confirmLabel: 'Clear',
+      onConfirmed: () => context.read<SearchBloc>().add(const HistoryCleared()),
     );
   }
 
@@ -140,7 +132,7 @@ class _SearchScreenState extends State<SearchScreen> {
                 });
               }
 
-              return AlertDialog(
+              return ConfirmationDialog(
                 title: const Text('Jump to profile'),
                 content: SizedBox(
                   width: 420,
@@ -209,19 +201,13 @@ class _SearchScreenState extends State<SearchScreen> {
                     },
                   ),
                 ),
-                actions: [
-                  TextButton(
-                    onPressed: () {
-                      searchBloc.add(const TypeaheadRequested(query: ''));
-                      Navigator.of(dialogContext).pop();
-                    },
-                    child: const Text('Cancel'),
-                  ),
-                  FilledButton(
-                    onPressed: controller.text.trim().isEmpty ? null : submitHandle,
-                    child: const Text('Open'),
-                  ),
-                ],
+                confirmLabel: 'Open',
+                confirmEnabled: controller.text.trim().isNotEmpty,
+                onCancel: () {
+                  searchBloc.add(const TypeaheadRequested(query: ''));
+                  Navigator.of(dialogContext).pop();
+                },
+                onConfirm: submitHandle,
               );
             },
           ),
@@ -571,13 +557,11 @@ class _SearchScreenState extends State<SearchScreen> {
         return _FeedResultTile(
           feed: feed,
           onAdded: (displayName) {
-            final messenger = ScaffoldMessenger.of(context);
-            messenger.hideCurrentSnackBar();
-            messenger.showSnackBar(
-              SnackBar(
-                content: Text('Added $displayName to your saved feeds'),
-                action: SnackBarAction(label: 'Manage', onPressed: () => GoRouter.maybeOf(context)?.push('/feeds')),
-              ),
+            showAppSnackBar(
+              context,
+              'Added $displayName to your saved feeds',
+              actionLabel: 'Manage',
+              onAction: () => GoRouter.maybeOf(context)?.push('/feeds'),
             );
           },
         );
diff --git a/lib/features/settings/presentation/settings_screen.dart b/lib/features/settings/presentation/settings_screen.dart
index ec983ca..39a7c30 100644
--- a/lib/features/settings/presentation/settings_screen.dart
+++ b/lib/features/settings/presentation/settings_screen.dart
@@ -17,6 +17,7 @@ import 'package:lazurite/features/search/cubit/semantic_index_cubit.dart';
 import 'package:lazurite/features/search/cubit/semantic_search_cubit.dart';
 import 'package:lazurite/features/settings/bloc/settings_cubit.dart';
 import 'package:lazurite/features/settings/bloc/settings_state.dart';
+import 'package:lazurite/shared/presentation/helpers/snackbar_helper.dart';
 
 class SettingsScreen extends StatelessWidget {
   const SettingsScreen({super.key});
@@ -427,7 +428,7 @@ class _ModerationSettingsPreviewState extends State<_ModerationSettingsPreview>
       }
     } catch (error) {
       if (mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text('Failed to update adult content: $error')));
+        showAppSnackBar(context, 'Failed to update adult content: $error', isError: true);
       }
     } finally {
       if (mounted) {
diff --git a/lib/shared/presentation/helpers/snackbar_helper.dart b/lib/shared/presentation/helpers/snackbar_helper.dart
new file mode 100644
index 0000000..0c3fc79
--- /dev/null
+++ b/lib/shared/presentation/helpers/snackbar_helper.dart
@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+ScaffoldFeatureController<SnackBar, SnackBarClosedReason> showAppSnackBar(
+  BuildContext context,
+  String message, {
+  bool hideCurrent = true,
+  bool isError = false,
+  SnackBarBehavior? behavior,
+  Duration? duration,
+  String? actionLabel,
+  VoidCallback? onAction,
+}) {
+  final messenger = ScaffoldMessenger.of(context);
+  final colorScheme = Theme.of(context).colorScheme;
+
+  if (hideCurrent) {
+    messenger.hideCurrentSnackBar();
+  }
+
+  return messenger.showSnackBar(
+    SnackBar(
+      content: Text(message),
+      behavior: behavior,
+      duration: duration ?? const Duration(seconds: 4),
+      backgroundColor: isError ? colorScheme.error : null,
+      action: actionLabel == null ? null : SnackBarAction(label: actionLabel, onPressed: onAction ?? () {}),
+    ),
+  );
+}
diff --git a/lib/shared/presentation/widgets/confirmation_dialog.dart b/lib/shared/presentation/widgets/confirmation_dialog.dart
new file mode 100644
index 0000000..c335e87
--- /dev/null
+++ b/lib/shared/presentation/widgets/confirmation_dialog.dart
@@ -0,0 +1,82 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+
+class ConfirmationDialog extends StatelessWidget {
+  const ConfirmationDialog({
+    super.key,
+    required this.title,
+    required this.content,
+    required this.confirmLabel,
+    required this.onConfirm,
+    this.cancelLabel = 'Cancel',
+    this.onCancel,
+    this.confirmDestructive = false,
+    this.showCancel = true,
+    this.confirmEnabled = true,
+  });
+
+  final Widget title;
+  final Widget content;
+  final String confirmLabel;
+  final VoidCallback onConfirm;
+  final String cancelLabel;
+  final VoidCallback? onCancel;
+  final bool confirmDestructive;
+  final bool showCancel;
+  final bool confirmEnabled;
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: title,
+      content: content,
+      actions: [
+        if (showCancel)
+          TextButton(onPressed: onCancel ?? () => Navigator.of(context).pop(false), child: Text(cancelLabel)),
+        FilledButton(
+          onPressed: confirmEnabled ? onConfirm : null,
+          style: confirmDestructive
+              ? FilledButton.styleFrom(
+                  backgroundColor: Theme.of(context).colorScheme.error,
+                  foregroundColor: Theme.of(context).colorScheme.onError,
+                )
+              : null,
+          child: Text(confirmLabel),
+        ),
+      ],
+    );
+  }
+}
+
+Future<bool> showConfirmationDialog({
+  required BuildContext context,
+  required Widget title,
+  required Widget content,
+  required String confirmLabel,
+  String cancelLabel = 'Cancel',
+  bool confirmDestructive = false,
+  bool showCancel = true,
+  bool barrierDismissible = true,
+  FutureOr<void> Function()? onConfirmed,
+}) async {
+  final confirmed = await showDialog<bool>(
+    context: context,
+    barrierDismissible: barrierDismissible,
+    builder: (dialogContext) => ConfirmationDialog(
+      title: title,
+      content: content,
+      confirmLabel: confirmLabel,
+      cancelLabel: cancelLabel,
+      confirmDestructive: confirmDestructive,
+      showCancel: showCancel,
+      onConfirm: () => Navigator.of(dialogContext).pop(true),
+      onCancel: () => Navigator.of(dialogContext).pop(false),
+    ),
+  );
+
+  if (confirmed == true && onConfirmed != null) {
+    await onConfirmed();
+  }
+  return confirmed ?? false;
+}
diff --git a/lib/shared/presentation/widgets/options_sheet.dart b/lib/shared/presentation/widgets/options_sheet.dart
new file mode 100644
index 0000000..12f607a
--- /dev/null
+++ b/lib/shared/presentation/widgets/options_sheet.dart
@@ -0,0 +1,85 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+
+class OptionsSheetItem {
+  const OptionsSheetItem({
+    required this.title,
+    this.subtitle,
+    this.leading,
+    this.trailing,
+    this.isDestructive = false,
+    this.enabled = true,
+    this.dismissOnTap = true,
+    this.onTap,
+  });
+
+  final String title;
+  final String? subtitle;
+  final Widget? leading;
+  final Widget? trailing;
+  final bool isDestructive;
+  final bool enabled;
+  final bool dismissOnTap;
+  final FutureOr<void> Function()? onTap;
+}
+
+class OptionsSheet extends StatelessWidget {
+  const OptionsSheet({super.key, required this.items, this.header});
+
+  final Widget? header;
+  final List<OptionsSheetItem> items;
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return SafeArea(
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          ?header,
+          for (final item in items)
+            ListTile(
+              enabled: item.enabled,
+              leading: item.leading,
+              trailing: item.trailing,
+              title: Text(item.title, style: item.isDestructive ? TextStyle(color: colorScheme.error) : null),
+              subtitle: item.subtitle == null ? null : Text(item.subtitle!),
+              onTap: item.onTap == null
+                  ? null
+                  : () {
+                      if (item.dismissOnTap) {
+                        Navigator.of(context).pop();
+                      }
+                      final result = item.onTap!.call();
+                      if (result is Future) {
+                        unawaited(result.then((_) {}));
+                      }
+                    },
+            ),
+        ],
+      ),
+    );
+  }
+}
+
+Future<T?> showAppBottomSheet<T>({
+  required BuildContext context,
+  required WidgetBuilder builder,
+  bool isScrollControlled = false,
+}) {
+  return showModalBottomSheet<T>(context: context, isScrollControlled: isScrollControlled, builder: builder);
+}
+
+Future<T?> showOptionsSheet<T>({
+  required BuildContext context,
+  required List<OptionsSheetItem> items,
+  Widget? header,
+  bool isScrollControlled = false,
+}) {
+  return showAppBottomSheet<T>(
+    context: context,
+    isScrollControlled: isScrollControlled,
+    builder: (_) => OptionsSheet(items: items, header: header),
+  );
+}
diff --git a/test/shared/presentation/helpers/snackbar_helper_test.dart b/test/shared/presentation/helpers/snackbar_helper_test.dart
new file mode 100644
index 0000000..949df3d
--- /dev/null
+++ b/test/shared/presentation/helpers/snackbar_helper_test.dart
@@ -0,0 +1,43 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:lazurite/shared/presentation/helpers/snackbar_helper.dart';
+
+void main() {
+  Widget buildSubject(void Function(BuildContext context) onPressed) => MaterialApp(
+    home: Scaffold(
+      body: Builder(
+        builder: (context) => Center(
+          child: FilledButton(onPressed: () => onPressed(context), child: const Text('show')),
+        ),
+      ),
+    ),
+  );
+
+  testWidgets('shows message', (tester) async {
+    await tester.pumpWidget(buildSubject((context) => showAppSnackBar(context, 'Saved')));
+
+    await tester.tap(find.text('show'));
+    await tester.pump();
+
+    expect(find.text('Saved'), findsOneWidget);
+  });
+
+  testWidgets('shows action and invokes callback', (tester) async {
+    var retried = false;
+
+    await tester.pumpWidget(
+      buildSubject(
+        (context) => showAppSnackBar(context, 'Failed', actionLabel: 'Retry', onAction: () => retried = true),
+      ),
+    );
+
+    await tester.tap(find.text('show'));
+    await tester.pump();
+    expect(find.text('Retry'), findsOneWidget);
+
+    final action = tester.widget<SnackBarAction>(find.byType(SnackBarAction));
+    action.onPressed.call();
+
+    expect(retried, isTrue);
+  });
+}
diff --git a/test/shared/presentation/widgets/confirmation_dialog_test.dart b/test/shared/presentation/widgets/confirmation_dialog_test.dart
new file mode 100644
index 0000000..d724ad3
--- /dev/null
+++ b/test/shared/presentation/widgets/confirmation_dialog_test.dart
@@ -0,0 +1,69 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:lazurite/shared/presentation/widgets/confirmation_dialog.dart';
+
+void main() {
+  Widget buildSubject({required Future<void> Function(BuildContext context) onPressed}) {
+    return MaterialApp(
+      home: Scaffold(
+        body: Builder(
+          builder: (context) {
+            return Center(
+              child: FilledButton(onPressed: () => onPressed(context), child: const Text('open')),
+            );
+          },
+        ),
+      ),
+    );
+  }
+
+  testWidgets('returns true when confirmed', (tester) async {
+    var confirmed = false;
+
+    await tester.pumpWidget(
+      buildSubject(
+        onPressed: (context) async {
+          confirmed = await showConfirmationDialog(
+            context: context,
+            title: const Text('Delete post?'),
+            content: const Text('This cannot be undone.'),
+            confirmLabel: 'Delete',
+          );
+        },
+      ),
+    );
+
+    await tester.tap(find.text('open'));
+    await tester.pumpAndSettle();
+    expect(find.text('Delete post?'), findsOneWidget);
+
+    await tester.tap(find.text('Delete'));
+    await tester.pumpAndSettle();
+
+    expect(confirmed, isTrue);
+  });
+
+  testWidgets('returns false when cancelled', (tester) async {
+    var confirmed = true;
+
+    await tester.pumpWidget(
+      buildSubject(
+        onPressed: (context) async {
+          confirmed = await showConfirmationDialog(
+            context: context,
+            title: const Text('Discard changes?'),
+            content: const Text('Unsaved changes will be lost.'),
+            confirmLabel: 'Discard',
+          );
+        },
+      ),
+    );
+
+    await tester.tap(find.text('open'));
+    await tester.pumpAndSettle();
+    await tester.tap(find.text('Cancel'));
+    await tester.pumpAndSettle();
+
+    expect(confirmed, isFalse);
+  });
+}
diff --git a/test/shared/presentation/widgets/options_sheet_test.dart b/test/shared/presentation/widgets/options_sheet_test.dart
new file mode 100644
index 0000000..31b5321
--- /dev/null
+++ b/test/shared/presentation/widgets/options_sheet_test.dart
@@ -0,0 +1,70 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:lazurite/shared/presentation/widgets/options_sheet.dart';
+
+void main() {
+  Widget buildSubject({
+    required void Function(BuildContext context) onOpenOptions,
+    required void Function(BuildContext context) onOpenCustom,
+  }) {
+    return MaterialApp(
+      home: Scaffold(
+        body: Builder(
+          builder: (context) {
+            return Column(
+              children: [
+                FilledButton(onPressed: () => onOpenOptions(context), child: const Text('open-options')),
+                FilledButton(onPressed: () => onOpenCustom(context), child: const Text('open-custom')),
+              ],
+            );
+          },
+        ),
+      ),
+    );
+  }
+
+  testWidgets('shows options sheet items and triggers callback', (tester) async {
+    var tapped = false;
+
+    await tester.pumpWidget(
+      buildSubject(
+        onOpenOptions: (context) {
+          showOptionsSheet<void>(
+            context: context,
+            items: [OptionsSheetItem(title: 'Copy link', leading: const Icon(Icons.copy), onTap: () => tapped = true)],
+          );
+        },
+        onOpenCustom: (_) {},
+      ),
+    );
+
+    await tester.tap(find.text('open-options'));
+    await tester.pumpAndSettle();
+
+    expect(find.text('Copy link'), findsOneWidget);
+    await tester.tap(find.text('Copy link'));
+    await tester.pumpAndSettle();
+    expect(tapped, isTrue);
+  });
+
+  testWidgets('shows custom bottom sheet via helper', (tester) async {
+    await tester.pumpWidget(
+      buildSubject(
+        onOpenOptions: (_) {},
+        onOpenCustom: (context) {
+          showAppBottomSheet<void>(
+            context: context,
+            builder: (_) => const SafeArea(
+              child: SizedBox(height: 80, child: Center(child: Text('custom'))),
+            ),
+          );
+        },
+      ),
+    );
+
+    await tester.tap(find.text('open-custom'));
+    await tester.pumpAndSettle();
+
+    expect(find.text('custom'), findsOneWidget);
+  });
+}