diff --git a/trainerbox/lib/screens/calendar_tab.dart b/trainerbox/lib/screens/calendar_tab.dart
index 8ba8019..1563008 100644
--- a/trainerbox/lib/screens/calendar_tab.dart
+++ b/trainerbox/lib/screens/calendar_tab.dart
@@ -1,17 +1,174 @@
 import 'package:flutter/material.dart';
+import 'package:table_calendar/table_calendar.dart';
 
-class CalendarTab extends StatelessWidget {
+class CalendarTab extends StatefulWidget {
   const CalendarTab({super.key});
 
+  @override
+  State<CalendarTab> createState() => _CalendarTabState();
+}
+
+class _CalendarTabState extends State<CalendarTab> {
+  CalendarFormat _calendarFormat = CalendarFormat.month;
+  DateTime _focusedDay = DateTime.now();
+  DateTime? _selectedDay;
+  Map<DateTime, List<Map<String, dynamic>>> _events = {};
+
+  @override
+  void initState() {
+    super.initState();
+    final now = DateTime.now();
+    _focusedDay = DateTime(now.year, now.month, now.day);
+    _selectedDay = _focusedDay;
+
+    // Beispiel-Events
+    _events = {
+      _focusedDay: [
+        {
+          'title': 'Ganzkörper Workout',
+          'time': '09:00',
+          'duration': '45 Minuten',
+        },
+        {'title': 'Yoga Session', 'time': '17:30', 'duration': '30 Minuten'},
+      ],
+      _focusedDay.add(const Duration(days: 1)): [
+        {'title': 'HIIT Training', 'time': '08:00', 'duration': '30 Minuten'},
+      ],
+    };
+  }
+
+  List<Map<String, dynamic>> _getEventsForDay(DateTime day) {
+    return _events[DateTime(day.year, day.month, day.day)] ?? [];
+  }
+
   @override
   Widget build(BuildContext context) {
-    return SafeArea(
-      child: Center(
-        child: Text(
-          'Kalender',
-          style: TextStyle(fontSize: 32, fontWeight: FontWeight.bold),
-        ),
+    final firstDay = DateTime.utc(2024, 1, 1);
+    final lastDay = DateTime.utc(2024, 12, 31);
+
+    if (_focusedDay.isBefore(firstDay)) {
+      _focusedDay = firstDay;
+    } else if (_focusedDay.isAfter(lastDay)) {
+      _focusedDay = lastDay;
+    }
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Trainingsplan'),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.add),
+            onPressed: () {
+              // TODO: Implement add workout to calendar
+            },
+          ),
+        ],
+      ),
+      body: Column(
+        children: [
+          TableCalendar(
+            firstDay: firstDay,
+            lastDay: lastDay,
+            focusedDay: _focusedDay,
+            calendarFormat: _calendarFormat,
+            selectedDayPredicate: (day) {
+              return isSameDay(_selectedDay, day);
+            },
+            onDaySelected: (selectedDay, focusedDay) {
+              setState(() {
+                _selectedDay = selectedDay;
+                _focusedDay = focusedDay;
+              });
+            },
+            onFormatChanged: (format) {
+              setState(() {
+                _calendarFormat = format;
+              });
+            },
+            onPageChanged: (focusedDay) {
+              setState(() {
+                _focusedDay = focusedDay;
+              });
+            },
+            eventLoader: _getEventsForDay,
+            calendarStyle: const CalendarStyle(
+              markersMaxCount: 1,
+              markerDecoration: BoxDecoration(
+                color: Colors.blue,
+                shape: BoxShape.circle,
+              ),
+            ),
+          ),
+          const Divider(),
+          Expanded(
+            child:
+                _getEventsForDay(_selectedDay!).isEmpty
+                    ? const Center(
+                      child: Column(
+                        mainAxisAlignment: MainAxisAlignment.center,
+                        children: [
+                          Icon(Icons.event_busy, size: 64, color: Colors.grey),
+                          SizedBox(height: 16),
+                          Text(
+                            'Keine Trainings geplant',
+                            style: TextStyle(fontSize: 18, color: Colors.grey),
+                          ),
+                          SizedBox(height: 8),
+                          Text(
+                            'Füge Trainings zu deinem Kalender hinzu',
+                            style: TextStyle(fontSize: 14, color: Colors.grey),
+                          ),
+                        ],
+                      ),
+                    )
+                    : ListView.builder(
+                      padding: const EdgeInsets.all(16),
+                      itemCount: _getEventsForDay(_selectedDay!).length,
+                      itemBuilder: (context, index) {
+                        final event = _getEventsForDay(_selectedDay!)[index];
+                        return Card(
+                          margin: const EdgeInsets.only(bottom: 16),
+                          child: ListTile(
+                            leading: Container(
+                              width: 48,
+                              height: 48,
+                              decoration: BoxDecoration(
+                                color: Colors.blue[100],
+                                borderRadius: BorderRadius.circular(8),
+                              ),
+                              child: const Icon(
+                                Icons.fitness_center,
+                                color: Colors.blue,
+                              ),
+                            ),
+                            title: Text(
+                              event['title'],
+                              style: const TextStyle(
+                                fontWeight: FontWeight.bold,
+                              ),
+                            ),
+                            subtitle: Text(
+                              '${event['time']} • ${event['duration']}',
+                            ),
+                            trailing: IconButton(
+                              icon: const Icon(Icons.delete_outline),
+                              onPressed: () {
+                                // TODO: Implement delete workout from calendar
+                              },
+                            ),
+                          ),
+                        );
+                      },
+                    ),
+          ),
+        ],
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: () {
+          // TODO: Implement add workout to calendar
+        },
+        child: const Icon(Icons.add),
       ),
     );
   }
-} 
\ No newline at end of file
+}
diff --git a/trainerbox/lib/screens/favorites_tab.dart b/trainerbox/lib/screens/favorites_tab.dart
index 6a64259..5e98f1a 100644
--- a/trainerbox/lib/screens/favorites_tab.dart
+++ b/trainerbox/lib/screens/favorites_tab.dart
@@ -5,13 +5,176 @@ class FavoritesTab extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return SafeArea(
-      child: Center(
-        child: Text(
-          'Favoriten',
-          style: TextStyle(fontSize: 32, fontWeight: FontWeight.bold),
-        ),
+    // Beispiel-Daten für favorisierte Trainings
+    final List<Map<String, dynamic>> favoriteWorkouts = [
+      {
+        'title': 'Ganzkörper Workout',
+        'duration': '45 Minuten',
+        'level': 'Fortgeschritten',
+        'category': 'Krafttraining',
+        'isFavorite': true,
+      },
+      {
+        'title': 'Yoga Flow',
+        'duration': '30 Minuten',
+        'level': 'Anfänger',
+        'category': 'Yoga',
+        'isFavorite': true,
+      },
+      {
+        'title': 'HIIT Session',
+        'duration': '20 Minuten',
+        'level': 'Mittel',
+        'category': 'HIIT',
+        'isFavorite': true,
+      },
+    ];
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Favoriten'),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.sort),
+            onPressed: () {
+              // TODO: Implement sorting functionality
+            },
+          ),
+        ],
       ),
+      body:
+          favoriteWorkouts.isEmpty
+              ? const Center(
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    Icon(Icons.favorite_border, size: 64, color: Colors.grey),
+                    SizedBox(height: 16),
+                    Text(
+                      'Noch keine Favoriten',
+                      style: TextStyle(fontSize: 18, color: Colors.grey),
+                    ),
+                    SizedBox(height: 8),
+                    Text(
+                      'Füge Trainings zu deinen Favoriten hinzu',
+                      style: TextStyle(fontSize: 14, color: Colors.grey),
+                    ),
+                  ],
+                ),
+              )
+              : ListView.builder(
+                padding: const EdgeInsets.all(16),
+                itemCount: favoriteWorkouts.length,
+                itemBuilder: (context, index) {
+                  final workout = favoriteWorkouts[index];
+                  return Card(
+                    margin: const EdgeInsets.only(bottom: 16),
+                    child: InkWell(
+                      onTap: () {
+                        // TODO: Navigate to workout details
+                      },
+                      child: Padding(
+                        padding: const EdgeInsets.all(16),
+                        child: Row(
+                          children: [
+                            Container(
+                              width: 80,
+                              height: 80,
+                              decoration: BoxDecoration(
+                                color: Colors.grey[200],
+                                borderRadius: BorderRadius.circular(8),
+                              ),
+                              child: const Icon(
+                                Icons.fitness_center,
+                                size: 32,
+                                color: Colors.grey,
+                              ),
+                            ),
+                            const SizedBox(width: 16),
+                            Expanded(
+                              child: Column(
+                                crossAxisAlignment: CrossAxisAlignment.start,
+                                children: [
+                                  Text(
+                                    workout['title'],
+                                    style: const TextStyle(
+                                      fontSize: 18,
+                                      fontWeight: FontWeight.bold,
+                                    ),
+                                  ),
+                                  const SizedBox(height: 4),
+                                  Text(
+                                    workout['duration'],
+                                    style: TextStyle(color: Colors.grey[600]),
+                                  ),
+                                  const SizedBox(height: 4),
+                                  Row(
+                                    children: [
+                                      Container(
+                                        padding: const EdgeInsets.symmetric(
+                                          horizontal: 8,
+                                          vertical: 4,
+                                        ),
+                                        decoration: BoxDecoration(
+                                          color: Colors.blue[100],
+                                          borderRadius: BorderRadius.circular(
+                                            12,
+                                          ),
+                                        ),
+                                        child: Text(
+                                          workout['level'],
+                                          style: TextStyle(
+                                            color: Colors.blue[700],
+                                            fontSize: 12,
+                                          ),
+                                        ),
+                                      ),
+                                      const SizedBox(width: 8),
+                                      Container(
+                                        padding: const EdgeInsets.symmetric(
+                                          horizontal: 8,
+                                          vertical: 4,
+                                        ),
+                                        decoration: BoxDecoration(
+                                          color: Colors.green[100],
+                                          borderRadius: BorderRadius.circular(
+                                            12,
+                                          ),
+                                        ),
+                                        child: Text(
+                                          workout['category'],
+                                          style: TextStyle(
+                                            color: Colors.green[700],
+                                            fontSize: 12,
+                                          ),
+                                        ),
+                                      ),
+                                    ],
+                                  ),
+                                ],
+                              ),
+                            ),
+                            IconButton(
+                              icon: Icon(
+                                workout['isFavorite']
+                                    ? Icons.favorite
+                                    : Icons.favorite_border,
+                                color:
+                                    workout['isFavorite']
+                                        ? Colors.red
+                                        : Colors.grey,
+                              ),
+                              onPressed: () {
+                                // TODO: Implement favorite toggle
+                              },
+                            ),
+                          ],
+                        ),
+                      ),
+                    ),
+                  );
+                },
+              ),
     );
   }
-} 
\ No newline at end of file
+}
diff --git a/trainerbox/lib/screens/home_tab.dart b/trainerbox/lib/screens/home_tab.dart
index 6a9b7f9..098700a 100644
--- a/trainerbox/lib/screens/home_tab.dart
+++ b/trainerbox/lib/screens/home_tab.dart
@@ -72,10 +72,7 @@ class HomeTab extends StatelessWidget {
                     title: 'Passen',
                     icon: Icons.sports_volleyball,
                   ),
-                  CategoryCircle(
-                    title: 'Torhüter',
-                    icon: Icons.sports_soccer,
-                  ),
+                  CategoryCircle(title: 'Torhüter', icon: Icons.sports_soccer),
                 ],
               ),
             ),
@@ -118,4 +115,4 @@ class HomeTab extends StatelessWidget {
       ),
     );
   }
-} 
\ No newline at end of file
+}
diff --git a/trainerbox/lib/screens/profile_tab.dart b/trainerbox/lib/screens/profile_tab.dart
index 6b71be2..6bd9bd0 100644
--- a/trainerbox/lib/screens/profile_tab.dart
+++ b/trainerbox/lib/screens/profile_tab.dart
@@ -5,13 +5,180 @@ class ProfileTab extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return SafeArea(
-      child: Center(
-        child: Text(
-          'Profil',
-          style: TextStyle(fontSize: 32, fontWeight: FontWeight.bold),
-        ),
+    // Beispiel-Benutzerdaten
+    final Map<String, dynamic> userData = {
+      'name': 'Max Mustermann',
+      'email': 'max.mustermann@example.com',
+      'level': 'Fortgeschritten',
+      'joinedDate': '01.01.2024',
+      'workoutsCompleted': 42,
+      'totalMinutes': 1260,
+    };
+
+    return Scaffold(
+      body: CustomScrollView(
+        slivers: [
+          SliverAppBar(
+            expandedHeight: 200,
+            pinned: true,
+            flexibleSpace: FlexibleSpaceBar(
+              title: Text(userData['name']),
+              background: Container(
+                decoration: BoxDecoration(
+                  gradient: LinearGradient(
+                    begin: Alignment.topCenter,
+                    end: Alignment.bottomCenter,
+                    colors: [Colors.blue[700]!, Colors.blue[500]!],
+                  ),
+                ),
+                child: const Center(
+                  child: Icon(Icons.person, size: 80, color: Colors.white),
+                ),
+              ),
+            ),
+          ),
+          SliverToBoxAdapter(
+            child: Padding(
+              padding: const EdgeInsets.all(16.0),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  _buildInfoCard(
+                    title: 'Statistiken',
+                    child: Column(
+                      children: [
+                        _buildStatisticRow(
+                          'Trainings absolviert',
+                          userData['workoutsCompleted'].toString(),
+                          Icons.fitness_center,
+                        ),
+                        const Divider(),
+                        _buildStatisticRow(
+                          'Gesamtzeit',
+                          '${userData['totalMinutes']} Minuten',
+                          Icons.timer,
+                        ),
+                      ],
+                    ),
+                  ),
+                  const SizedBox(height: 16),
+                  _buildInfoCard(
+                    title: 'Persönliche Informationen',
+                    child: Column(
+                      children: [
+                        _buildInfoRow('E-Mail', userData['email'], Icons.email),
+                        const Divider(),
+                        _buildInfoRow('Level', userData['level'], Icons.star),
+                        const Divider(),
+                        _buildInfoRow(
+                          'Mitglied seit',
+                          userData['joinedDate'],
+                          Icons.calendar_today,
+                        ),
+                      ],
+                    ),
+                  ),
+                  const SizedBox(height: 16),
+                  _buildInfoCard(
+                    title: 'Einstellungen',
+                    child: Column(
+                      children: [
+                        ListTile(
+                          leading: const Icon(Icons.notifications),
+                          title: const Text('Benachrichtigungen'),
+                          trailing: Switch(
+                            value: true,
+                            onChanged: (value) {
+                              // TODO: Implement notification settings
+                            },
+                          ),
+                        ),
+                        const Divider(),
+                        ListTile(
+                          leading: const Icon(Icons.dark_mode),
+                          title: const Text('Dark Mode'),
+                          trailing: Switch(
+                            value: false,
+                            onChanged: (value) {
+                              // TODO: Implement dark mode
+                            },
+                          ),
+                        ),
+                        const Divider(),
+                        ListTile(
+                          leading: const Icon(Icons.language),
+                          title: const Text('Sprache'),
+                          trailing: const Text('Deutsch'),
+                          onTap: () {
+                            // TODO: Implement language selection
+                          },
+                        ),
+                      ],
+                    ),
+                  ),
+                  const SizedBox(height: 16),
+                  Center(
+                    child: TextButton.icon(
+                      onPressed: () {
+                        // TODO: Implement logout
+                      },
+                      icon: const Icon(Icons.logout),
+                      label: const Text('Abmelden'),
+                      style: TextButton.styleFrom(foregroundColor: Colors.red),
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ],
       ),
     );
   }
-} 
\ No newline at end of file
+
+  Widget _buildInfoCard({required String title, required Widget child}) {
+    return Card(
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Padding(
+            padding: const EdgeInsets.all(16.0),
+            child: Text(
+              title,
+              style: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
+            ),
+          ),
+          child,
+        ],
+      ),
+    );
+  }
+
+  Widget _buildStatisticRow(String label, String value, IconData icon) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 12.0),
+      child: Row(
+        children: [
+          Icon(icon, color: Colors.blue),
+          const SizedBox(width: 16),
+          Expanded(child: Text(label)),
+          Text(value, style: const TextStyle(fontWeight: FontWeight.bold)),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildInfoRow(String label, String value, IconData icon) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 12.0),
+      child: Row(
+        children: [
+          Icon(icon, color: Colors.blue),
+          const SizedBox(width: 16),
+          Expanded(child: Text(label)),
+          Text(value, style: TextStyle(color: Colors.grey[600])),
+        ],
+      ),
+    );
+  }
+}
diff --git a/trainerbox/lib/screens/search_tab.dart b/trainerbox/lib/screens/search_tab.dart
index 17d3f5b..14dd3cd 100644
--- a/trainerbox/lib/screens/search_tab.dart
+++ b/trainerbox/lib/screens/search_tab.dart
@@ -1,17 +1,131 @@
 import 'package:flutter/material.dart';
 
-class SearchTab extends StatelessWidget {
+class SearchTab extends StatefulWidget {
   const SearchTab({super.key});
 
+  @override
+  State<SearchTab> createState() => _SearchTabState();
+}
+
+class _SearchTabState extends State<SearchTab> {
+  final TextEditingController _searchController = TextEditingController();
+  final List<String> _categories = [
+    'Krafttraining',
+    'Ausdauer',
+    'Yoga',
+    'HIIT',
+    'Mobility',
+    'Rehabilitation',
+  ];
+
   @override
   Widget build(BuildContext context) {
-    return SafeArea(
-      child: Center(
-        child: Text(
-          'Suche',
-          style: TextStyle(fontSize: 32, fontWeight: FontWeight.bold),
-        ),
+    return Scaffold(
+      body: CustomScrollView(
+        slivers: [
+          SliverAppBar(
+            floating: true,
+            title: TextField(
+              controller: _searchController,
+              decoration: InputDecoration(
+                hintText: 'Suche nach Training...',
+                border: InputBorder.none,
+                prefixIcon: const Icon(Icons.search),
+                suffixIcon: IconButton(
+                  icon: const Icon(Icons.clear),
+                  onPressed: () => _searchController.clear(),
+                ),
+              ),
+            ),
+          ),
+          SliverPadding(
+            padding: const EdgeInsets.all(16.0),
+            sliver: SliverToBoxAdapter(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  const Text(
+                    'Kategorien',
+                    style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
+                  ),
+                  const SizedBox(height: 16),
+                  Wrap(
+                    spacing: 8,
+                    runSpacing: 8,
+                    children:
+                        _categories.map((category) {
+                          return FilterChip(
+                            label: Text(category),
+                            onSelected: (bool selected) {
+                              // TODO: Implement category filtering
+                            },
+                          );
+                        }).toList(),
+                  ),
+                ],
+              ),
+            ),
+          ),
+          SliverPadding(
+            padding: const EdgeInsets.all(16.0),
+            sliver: SliverGrid(
+              gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
+                crossAxisCount: 2,
+                mainAxisSpacing: 16,
+                crossAxisSpacing: 16,
+                childAspectRatio: 0.75,
+              ),
+              delegate: SliverChildBuilderDelegate((context, index) {
+                return Card(
+                  clipBehavior: Clip.antiAlias,
+                  child: Column(
+                    crossAxisAlignment: CrossAxisAlignment.start,
+                    children: [
+                      Expanded(
+                        child: Container(
+                          color: Colors.grey[300],
+                          child: const Center(
+                            child: Icon(Icons.fitness_center, size: 40),
+                          ),
+                        ),
+                      ),
+                      Padding(
+                        padding: const EdgeInsets.all(8.0),
+                        child: Column(
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text(
+                              'Training ${index + 1}',
+                              style: const TextStyle(
+                                fontWeight: FontWeight.bold,
+                                fontSize: 16,
+                              ),
+                            ),
+                            const SizedBox(height: 4),
+                            Text(
+                              '${30 + index * 5} Minuten',
+                              style: TextStyle(
+                                color: Colors.grey[600],
+                                fontSize: 14,
+                              ),
+                            ),
+                          ],
+                        ),
+                      ),
+                    ],
+                  ),
+                );
+              }, childCount: 6),
+            ),
+          ),
+        ],
       ),
     );
   }
-} 
\ No newline at end of file
+
+  @override
+  void dispose() {
+    _searchController.dispose();
+    super.dispose();
+  }
+}
diff --git a/trainerbox/pubspec.lock b/trainerbox/pubspec.lock
index 4016704..8a9c140 100644
--- a/trainerbox/pubspec.lock
+++ b/trainerbox/pubspec.lock
@@ -104,6 +104,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  intl:
+    dependency: transitive
+    description:
+      name: intl
+      sha256: "3df61194eb431efc39c4ceba583b95633a403f46c9fd341e550ce0bfa50e9aa5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.20.2"
   leak_tracker:
     dependency: transitive
     description:
@@ -176,6 +184,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.8"
+  simple_gesture_detector:
+    dependency: transitive
+    description:
+      name: simple_gesture_detector
+      sha256: ba2cd5af24ff20a0b8d609cec3f40e5b0744d2a71804a2616ae086b9c19d19a3
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -213,6 +229,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.1"
+  table_calendar:
+    dependency: "direct main"
+    description:
+      name: table_calendar
+      sha256: "0c0c6219878b363a2d5f40c7afb159d845f253d061dc3c822aa0d5fe0f721982"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.0"
   term_glyph:
     dependency: transitive
     description:
diff --git a/trainerbox/pubspec.yaml b/trainerbox/pubspec.yaml
index 02d9935..7cd8d89 100644
--- a/trainerbox/pubspec.yaml
+++ b/trainerbox/pubspec.yaml
@@ -35,6 +35,7 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
   firebase_core: ^3.13.0
+  table_calendar: ^3.0.9
 
 dev_dependencies:
   flutter_test:
@@ -59,9 +60,9 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  # assets:
-  #   - images/a_dot_burr.jpeg
-  #   - images/a_dot_ham.jpeg
+  assets:
+    - images/
+    - images/prototype/
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/to/resolution-aware-images