added community screen as placeholder for now

lib/ui/navigation/main_navigation_scaffold.dart

@@ -6,6 +6,7 @@ import '../home/home_screen.dart';
 import '../recipes/recipes_screen.dart';
 import '../favourites/favourites_screen.dart';
 import '../bookmarks/bookmarks_screen.dart';
+import '../community/community_screen.dart';
 import '../session/session_screen.dart';
 import 'app_router.dart';
 
@@ -71,8 +72,9 @@ class MainNavigationScaffoldState extends State<MainNavigationScaffold> {
   void _onItemTapped(int index) {
     final isLoggedIn = _isLoggedIn;
     
-    // Only allow navigation to Recipes (1), Favourites (2), and Bookmarks (4) if logged in
-    if (!isLoggedIn && (index == 1 || index == 2 || index == 4)) {
+    // Only allow navigation to Recipes (1) and Bookmarks (2) if logged in
+    // Community (4) and User (3) are always accessible
+    if (!isLoggedIn && (index == 1 || index == 2)) {
       // Redirect to User/Session tab to prompt login
       setState(() {
         _currentIndex = 3; // User/Session tab
@@ -92,6 +94,23 @@ class MainNavigationScaffoldState extends State<MainNavigationScaffold> {
     });
   }
 
+  /// Public method to navigate to Favourites screen (used from Recipes AppBar).
+  void navigateToFavourites() {
+    final isLoggedIn = _isLoggedIn;
+    if (!isLoggedIn) {
+      // Redirect to User/Session tab to prompt login
+      navigateToUser();
+      return;
+    }
+    // Navigate to Favourites as a full-screen route
+    Navigator.push(
+      context,
+      MaterialPageRoute(
+        builder: (context) => const FavouritesScreen(),
+      ),
+    );
+  }
+
   void _onAddRecipePressed(BuildContext context) async {
     final isLoggedIn = _isLoggedIn;
     
@@ -134,15 +153,14 @@ class MainNavigationScaffoldState extends State<MainNavigationScaffold> {
             : const ValueKey('recipes_logged_out'),
         );
       case 2:
-        // Favourites - only show if logged in, otherwise show login prompt
+        // Bookmarks - only show if logged in
         // Use a key based on login state to force rebuild when login changes
-        return FavouritesScreen(key: ValueKey(_isLoggedIn));
+        return BookmarksScreen(key: ValueKey(_isLoggedIn));
       case 3:
         return SessionScreen(onSessionChanged: _onSessionChanged);
       case 4:
-        // Bookmarks - only show if logged in
-        // Use a key based on login state to force rebuild when login changes
-        return BookmarksScreen(key: ValueKey(_isLoggedIn));
+        // Community - always accessible
+        return const CommunityScreen();
       default:
         return const SizedBox();
     }
@@ -156,8 +174,9 @@ class MainNavigationScaffoldState extends State<MainNavigationScaffold> {
     // Check login state in build to trigger rebuilds
     _checkLoginState();
     
-    // Ensure current index is valid (if logged out, don't allow Recipes/Favourites/Bookmarks)
-    if (!isLoggedIn && (_currentIndex == 1 || _currentIndex == 2 || _currentIndex == 4)) {
+    // Ensure current index is valid (if logged out, don't allow Recipes/Bookmarks)
+    // Community (4) and User (3) are always accessible
+    if (!isLoggedIn && (_currentIndex == 1 || _currentIndex == 2)) {
       WidgetsBinding.instance.addPostFrameCallback((_) {
         if (mounted) {
           setState(() {
@@ -246,22 +265,21 @@ class MainNavigationScaffoldState extends State<MainNavigationScaffold> {
                 child: Row(
                   mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                   children: [
-                    // Favourites - only show if logged in
-                    if (isLoggedIn)
-                      _buildNavItem(
-                        icon: Icons.favorite,
-                        label: 'Favourites',
-                        index: 2,
-                        onTap: () => _onItemTapped(2),
-                      ),
                     // Bookmarks - only show if logged in
                     if (isLoggedIn)
                       _buildNavItem(
                         icon: Icons.bookmark,
                         label: 'Bookmarks',
-                        index: 4,
-                        onTap: () => _onItemTapped(4),
+                        index: 2,
+                        onTap: () => _onItemTapped(2),
                       ),
+                    // Community - always accessible
+                    _buildNavItem(
+                      icon: Icons.people,
+                      label: 'Community',
+                      index: 4,
+                      onTap: () => _onItemTapped(4),
+                    ),
                   ],
                 ),
               ),

lib/ui/recipes/recipes_screen.dart

@@ -7,6 +7,7 @@ import '../../data/recipes/models/recipe_model.dart';
 import '../../data/local/models/item.dart';
 import '../add_recipe/add_recipe_screen.dart';
 import '../photo_gallery/photo_gallery_screen.dart';
+import '../navigation/main_navigation_scaffold.dart';
 import 'bookmark_dialog.dart';
 import '../../data/recipes/models/bookmark_category_model.dart';
 
@@ -312,6 +313,15 @@ class _RecipesScreenState extends State<RecipesScreen> {
               });
             },
           ),
+          IconButton(
+            icon: const Icon(Icons.favorite),
+            onPressed: () {
+              // Navigate to Favourites screen
+              final scaffold = context.findAncestorStateOfType<MainNavigationScaffoldState>();
+              scaffold?.navigateToFavourites();
+            },
+            tooltip: 'Favourites',
+          ),
           IconButton(
             icon: Icon(_isMinimalView ? Icons.grid_view : Icons.view_list),
             onPressed: () async {