diff --git a/__pycache__/app.cpython-313.pyc b/__pycache__/app.cpython-313.pyc
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diff --git a/__pycache__/models.cpython-313.pyc b/__pycache__/models.cpython-313.pyc
index 4f74996..7136ff4 100644
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diff --git a/app.py b/app.py
index ec7e857..5f32566 100644
--- a/app.py
+++ b/app.py
@@ -24,7 +24,7 @@ from flask_migrate import Migrate
 from models import (
     db, User, Thought, Comment, MindMapNode, ThoughtRelation, ThoughtRating, 
     RelationType, Category, UserMindmap, UserMindmapNode, MindmapNote, 
-    node_thought_association, user_thought_bookmark, node_relationship
+    node_thought_association, user_thought_bookmark, node_relationship, ForumCategory, ForumPost
 )
 
 # Lade .env-Datei
@@ -190,6 +190,31 @@ def create_default_categories():
     db.session.commit()
     print("Standard-Kategorien wurden erstellt!")
 
+def create_forum_categories():
+    """Erstellt Forum-Kategorien basierend auf Hauptknotenpunkten der Mindmap"""
+    # Hauptknotenpunkte abrufen (nur die, die keine Elternknoten haben)
+    main_nodes = MindMapNode.query.filter(~MindMapNode.id.in_(
+        db.session.query(node_relationship.c.child_id)
+    )).all()
+    
+    for node in main_nodes:
+        # Prüfen, ob eine Forum-Kategorie für diesen Knoten bereits existiert
+        existing_category = ForumCategory.query.filter_by(node_id=node.id).first()
+        if existing_category:
+            continue
+        
+        # Neue Kategorie erstellen
+        forum_category = ForumCategory(
+            node_id=node.id,
+            title=node.name,
+            description=node.description,
+            is_active=True
+        )
+        db.session.add(forum_category)
+    
+    db.session.commit()
+    print("Forum-Kategorien wurden für alle Hauptknotenpunkte erstellt!")
+
 def initialize_database():
     """Initialisiert die Datenbank mit Grunddaten, falls diese leer ist"""
     try:
@@ -198,97 +223,34 @@ def initialize_database():
         # Erstelle alle Tabellen
         db.create_all()
         
-        # Prüfe, ob bereits Benutzer existieren
-        if User.query.count() == 0:
-            print("Erstelle Admin-Benutzer...")
-            admin = User(
-                username="admin",
-                email="admin@example.com",
-                is_admin=True
-            )
-            admin.set_password("admin123")  # In echter Umgebung ein sicheres Passwort verwenden!
-            db.session.add(admin)
+        # Prüfen, ob bereits Kategorien existieren
+        categories_count = Category.query.count()
+        users_count = User.query.count()
         
-        # Prüfe, ob bereits Kategorien existieren
-        if Category.query.count() == 0:
-            print("Erstelle Standard-Kategorien...")
+        # Erstelle Standarddaten, wenn es keine Kategorien gibt
+        if categories_count == 0:
             create_default_categories()
         
-        # Stelle sicher, dass die Standard-Knoten für die öffentliche Mindmap existieren
-        if MindMapNode.query.count() == 0:
-            print("Erstelle Standard-Knoten für die Mindmap...")
-            
-            # Hauptknoten: Wissen
-            root_node = MindMapNode(
-                name="Wissen",
-                description="Zentrale Wissensbasis",
-                color_code="#4299E1",
-                is_public=True
+        # Admin-Benutzer erstellen, wenn keine Benutzer vorhanden sind
+        if users_count == 0:
+            admin_user = User(
+                username="admin",
+                email="admin@example.com",
+                role="admin",
+                is_active=True
             )
-            db.session.add(root_node)
-            db.session.flush()  # Um die ID zu generieren
-            
-            # Verwandte Kategorien finden
-            philosophy = Category.query.filter_by(name="Philosophie").first()
-            science = Category.query.filter_by(name="Wissenschaft").first()
-            technology = Category.query.filter_by(name="Technologie").first()
-            arts = Category.query.filter_by(name="Künste").first()
-            
-            # Erstelle Hauptthemenknoten
-            nodes = [
-                MindMapNode(
-                    name="Philosophie", 
-                    description="Philosophisches Denken",
-                    color_code="#9F7AEA",
-                    category=philosophy,
-                    is_public=True
-                ),
-                MindMapNode(
-                    name="Wissenschaft", 
-                    description="Wissenschaftliche Erkenntnisse",
-                    color_code="#48BB78",
-                    category=science,
-                    is_public=True
-                ),
-                MindMapNode(
-                    name="Technologie", 
-                    description="Technologische Entwicklungen",
-                    color_code="#ED8936",
-                    category=technology,
-                    is_public=True
-                ),
-                MindMapNode(
-                    name="Künste", 
-                    description="Künstlerische Ausdrucksformen",
-                    color_code="#ED64A6",
-                    category=arts,
-                    is_public=True
-                )
-            ]
-            
-            # Füge Knoten zur Datenbank hinzu
-            for node in nodes:
-                db.session.add(node)
-            
+            admin_user.set_password("admin123")  # Sicheres Passwort in der Produktion verwenden!
+            db.session.add(admin_user)
             db.session.commit()
-            
-            # Nachdem wir die IDs haben, füge die Verbindungen hinzu
-            all_nodes = MindMapNode.query.all()
-            root = MindMapNode.query.filter_by(name="Wissen").first()
-            
-            if root:
-                for node in all_nodes:
-                    if node.id != root.id:
-                        root.children.append(node)
-            
-            # Speichere die Änderungen
-            db.session.commit()
-            
-        print("Datenbankinitialisierung abgeschlossen.")
+            print("Admin-Benutzer wurde erstellt!")
+        
+        # Forum-Kategorien erstellen
+        create_forum_categories()
+        
+        return True
     except Exception as e:
-        print(f"Fehler bei der Datenbankinitialisierung: {str(e)}")
-        db.session.rollback()
-        raise
+        print(f"Fehler bei Datenbank-Initialisierung: {e}")
+        return False
 
 # Instead of before_first_request, which is deprecated in newer Flask versions
 # Use a function to initialize the database that will be called during app creation
@@ -1521,6 +1483,251 @@ def refresh_mindmap():
 def mindmap_page():
     return render_template('mindmap.html')
 
+# Community-Forum-Routen
+@app.route('/community')
+@login_required
+def community():
+    """Hauptseite des Community-Forums"""
+    forum_categories = ForumCategory.query.filter_by(is_active=True).all()
+    
+    # Statistiken für jede Kategorie berechnen
+    categories_data = []
+    for category in forum_categories:
+        total_posts = ForumPost.query.filter_by(category_id=category.id, parent_id=None).count()
+        total_replies = ForumPost.query.filter(
+            ForumPost.category_id == category.id,
+            ForumPost.parent_id != None
+        ).count()
+        latest_post = ForumPost.query.filter_by(category_id=category.id)\
+            .order_by(ForumPost.created_at.desc()).first()
+        
+        categories_data.append({
+            'category': category,
+            'total_posts': total_posts,
+            'total_replies': total_replies,
+            'latest_post': latest_post
+        })
+    
+    return render_template('community/index.html', categories_data=categories_data)
+
+@app.route('/community/category/<int:category_id>')
+@login_required
+def forum_category(category_id):
+    """Zeigt alle Themen in einer bestimmten Kategorie an"""
+    category = ForumCategory.query.get_or_404(category_id)
+    
+    # Haupt-Beiträge (Threads) in dieser Kategorie
+    threads = ForumPost.query.filter_by(
+        category_id=category_id, 
+        parent_id=None
+    ).order_by(ForumPost.is_pinned.desc(), ForumPost.created_at.desc()).all()
+    
+    # Zähle Antworten und hole den neuesten Beitrag für jeden Thread
+    threads_data = []
+    for thread in threads:
+        reply_count = ForumPost.query.filter_by(parent_id=thread.id).count()
+        latest_reply = ForumPost.query.filter_by(parent_id=thread.id)\
+            .order_by(ForumPost.created_at.desc()).first()
+        
+        threads_data.append({
+            'thread': thread,
+            'reply_count': reply_count,
+            'latest_reply': latest_reply
+        })
+    
+    return render_template('community/category.html', 
+                           category=category, 
+                           threads_data=threads_data,
+                           node=category.node)
+
+@app.route('/community/post/<int:post_id>')
+@login_required
+def forum_post(post_id):
+    """Zeigt einen Beitrag und alle seine Antworten an"""
+    post = ForumPost.query.get_or_404(post_id)
+    
+    # Wenn es sich um eine Antwort handelt, leite zur übergeordneten Beitragsseite weiter
+    if post.parent_id:
+        return redirect(url_for('forum_post', post_id=post.parent_id))
+    
+    # Erhöhe die Ansichtszahl
+    post.view_count += 1
+    db.session.commit()
+    
+    # Hole alle Antworten zu diesem Beitrag
+    replies = ForumPost.query.filter_by(parent_id=post_id)\
+        .order_by(ForumPost.created_at).all()
+    
+    return render_template('community/post.html', 
+                           post=post, 
+                           replies=replies, 
+                           category=post.category)
+
+@app.route('/community/new-post/<int:category_id>', methods=['GET', 'POST'])
+@login_required
+def new_post(category_id):
+    """Erstellt einen neuen Beitrag in einer Kategorie"""
+    category = ForumCategory.query.get_or_404(category_id)
+    
+    if request.method == 'POST':
+        title = request.form.get('title')
+        content = request.form.get('content')
+        
+        if not title or not content:
+            flash('Bitte fülle alle Pflichtfelder aus.', 'error')
+            return redirect(url_for('new_post', category_id=category_id))
+        
+        # Neuen Beitrag erstellen
+        post = ForumPost(
+            title=title,
+            content=content,
+            user_id=current_user.id,
+            category_id=category_id
+        )
+        db.session.add(post)
+        db.session.commit()
+        
+        flash('Dein Beitrag wurde erfolgreich erstellt.', 'success')
+        return redirect(url_for('forum_post', post_id=post.id))
+    
+    return render_template('community/new_post.html', category=category)
+
+@app.route('/community/reply/<int:post_id>', methods=['POST'])
+@login_required
+def reply_to_post(post_id):
+    """Antwortet auf einen bestehenden Beitrag"""
+    parent_post = ForumPost.query.get_or_404(post_id)
+    
+    # Stelle sicher, dass der Beitrag nicht gesperrt ist
+    if parent_post.is_locked:
+        flash('Dieser Beitrag ist gesperrt und kann keine Antworten mehr erhalten.', 'error')
+        return redirect(url_for('forum_post', post_id=post_id))
+    
+    content = request.form.get('content')
+    
+    if not content:
+        flash('Die Antwort darf nicht leer sein.', 'error')
+        return redirect(url_for('forum_post', post_id=post_id))
+    
+    # Erstelle eine Antwort
+    reply = ForumPost(
+        title=f"Re: {parent_post.title}",
+        content=content,
+        user_id=current_user.id,
+        category_id=parent_post.category_id,
+        parent_id=post_id
+    )
+    db.session.add(reply)
+    db.session.commit()
+    
+    flash('Deine Antwort wurde erfolgreich hinzugefügt.', 'success')
+    return redirect(url_for('forum_post', post_id=post_id))
+
+@app.route('/community/edit-post/<int:post_id>', methods=['GET', 'POST'])
+@login_required
+def edit_post(post_id):
+    """Bearbeitet einen bestehenden Beitrag"""
+    post = ForumPost.query.get_or_404(post_id)
+    
+    # Überprüfe, ob der Benutzer der Autor ist oder Admin-Rechte hat
+    if post.user_id != current_user.id and current_user.role != 'admin':
+        flash('Du hast keine Berechtigung, diesen Beitrag zu bearbeiten.', 'error')
+        return redirect(url_for('forum_post', post_id=post.parent_id or post.id))
+    
+    if request.method == 'POST':
+        title = request.form.get('title')
+        content = request.form.get('content')
+        
+        if not title or not content:
+            flash('Bitte fülle alle Pflichtfelder aus.', 'error')
+            return redirect(url_for('edit_post', post_id=post_id))
+        
+        # Aktualisiere den Beitrag
+        post.title = title
+        post.content = content
+        post.updated_at = datetime.utcnow()
+        db.session.commit()
+        
+        flash('Dein Beitrag wurde erfolgreich aktualisiert.', 'success')
+        return redirect(url_for('forum_post', post_id=post.parent_id or post.id))
+    
+    return render_template('community/edit_post.html', post=post)
+
+@app.route('/community/delete-post/<int:post_id>', methods=['POST'])
+@login_required
+def delete_post(post_id):
+    """Löscht einen Beitrag"""
+    post = ForumPost.query.get_or_404(post_id)
+    
+    # Überprüfe, ob der Benutzer der Autor ist oder Admin-Rechte hat
+    if post.user_id != current_user.id and current_user.role != 'admin':
+        flash('Du hast keine Berechtigung, diesen Beitrag zu löschen.', 'error')
+        return redirect(url_for('forum_post', post_id=post.parent_id or post.id))
+    
+    # Bestimme, wohin nach dem Löschen weitergeleitet wird
+    if post.parent_id:
+        redirect_url = url_for('forum_post', post_id=post.parent_id)
+    else:
+        redirect_url = url_for('forum_category', category_id=post.category_id)
+    
+    # Lösche den Beitrag und seine Antworten
+    if not post.parent_id:  # Wenn es ein Hauptbeitrag ist, lösche auch alle Antworten
+        ForumPost.query.filter_by(parent_id=post_id).delete()
+    
+    db.session.delete(post)
+    db.session.commit()
+    
+    flash('Der Beitrag wurde erfolgreich gelöscht.', 'success')
+    return redirect(redirect_url)
+
+@app.route('/community/toggle-pin/<int:post_id>', methods=['POST'])
+@login_required
+def toggle_pin_post(post_id):
+    """Fixiert oder löst einen Beitrag von der Fixierung"""
+    # Nur Admins und Moderatoren können Beiträge fixieren
+    if current_user.role not in ['admin', 'moderator']:
+        flash('Du hast keine Berechtigung, Beiträge zu fixieren.', 'error')
+        return redirect(url_for('forum_post', post_id=post_id))
+    
+    post = ForumPost.query.get_or_404(post_id)
+    
+    # Nur Hauptbeiträge können fixiert werden
+    if post.parent_id:
+        flash('Nur Hauptbeiträge können fixiert werden.', 'error')
+        return redirect(url_for('forum_post', post_id=post.parent_id))
+    
+    # Ändere den Status
+    post.is_pinned = not post.is_pinned
+    db.session.commit()
+    
+    status = 'fixiert' if post.is_pinned else 'nicht mehr fixiert'
+    flash(f'Der Beitrag ist jetzt {status}.', 'success')
+    return redirect(url_for('forum_post', post_id=post_id))
+
+@app.route('/community/toggle-lock/<int:post_id>', methods=['POST'])
+@login_required
+def toggle_lock_post(post_id):
+    """Sperrt oder entsperrt einen Beitrag für weitere Antworten"""
+    # Nur Admins und Moderatoren können Beiträge sperren
+    if current_user.role not in ['admin', 'moderator']:
+        flash('Du hast keine Berechtigung, Beiträge zu sperren.', 'error')
+        return redirect(url_for('forum_post', post_id=post_id))
+    
+    post = ForumPost.query.get_or_404(post_id)
+    
+    # Nur Hauptbeiträge können gesperrt werden
+    if post.parent_id:
+        flash('Nur Hauptbeiträge können gesperrt werden.', 'error')
+        return redirect(url_for('forum_post', post_id=post.parent_id))
+    
+    # Ändere den Status
+    post.is_locked = not post.is_locked
+    db.session.commit()
+    
+    status = 'gesperrt' if post.is_locked else 'entsperrt'
+    flash(f'Der Beitrag ist jetzt {status}.', 'success')
+    return redirect(url_for('forum_post', post_id=post_id))
+
 # Fehlerbehandlung
 @app.errorhandler(404)
 def not_found(e):
diff --git a/templates/base.html b/templates/base.html
index ec774bd..b68067b 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -278,6 +278,13 @@
                        : '{{ 'nav-link-light-active' if request.endpoint == 'mindmap' else 'nav-link-light' }}'">
                         <i class="fa-solid fa-diagram-project mr-2"></i>Mindmap
                     </a>
+                    <a href="{{ url_for('community') }}" 
+                       class="nav-link flex items-center"
+                       x-bind:class="darkMode 
+                       ? '{{ 'nav-link-active' if request.endpoint == 'community' else '' }}' 
+                       : '{{ 'nav-link-light-active' if request.endpoint == 'community' else 'nav-link-light' }}'">
+                        <i class="fa-solid fa-users mr-2"></i>Community
+                    </a>
                     <a href="{{ url_for('search_thoughts_page') }}" 
                        class="nav-link flex items-center"
                        x-bind:class="darkMode 
@@ -449,6 +456,13 @@
                    : '{{ 'bg-purple-500/10 text-gray-900' if request.endpoint == 'mindmap' else 'text-gray-700 hover:bg-gray-100 hover:text-gray-900' }}'">
                     <i class="fa-solid fa-diagram-project w-5 mr-3"></i>Mindmap
                 </a>
+                <a href="{{ url_for('community') }}" 
+                   class="block py-3.5 px-4 rounded-xl transition-all duration-200 flex items-center"
+                   x-bind:class="darkMode 
+                   ? '{{ 'bg-purple-500/20 text-white' if request.endpoint == 'community' else 'text-white/80 hover:bg-gray-800/80 hover:text-white' }}' 
+                   : '{{ 'bg-purple-500/10 text-gray-900' if request.endpoint == 'community' else 'text-gray-700 hover:bg-gray-100 hover:text-gray-900' }}'">
+                    <i class="fa-solid fa-users w-5 mr-3"></i>Community
+                </a>
                 <a href="{{ url_for('search_thoughts_page') }}" 
                    class="block py-3.5 px-4 rounded-xl transition-all duration-200 flex items-center"
                    x-bind:class="darkMode 
@@ -527,6 +541,10 @@
                                :class="darkMode ? 'text-gray-300 hover:text-white' : 'text-gray-600 hover:text-gray-900'">
                                 Mindmap
                             </a>
+                            <a href="{{ url_for('community') }}" class="text-sm transition-all duration-200"
+                               :class="darkMode ? 'text-gray-300 hover:text-white' : 'text-gray-600 hover:text-gray-900'">
+                                Community
+                            </a>
                             {% if current_user.is_authenticated %}
                             <a href="{{ url_for('profile') }}" class="text-sm transition-all duration-200"
                                :class="darkMode ? 'text-gray-300 hover:text-white' : 'text-gray-600 hover:text-gray-900'">
diff --git a/templates/community/category.html b/templates/community/category.html
new file mode 100644
index 0000000..4cea15e
--- /dev/null
+++ b/templates/community/category.html
@@ -0,0 +1,192 @@
+{% extends 'base.html' %}
+
+{% block title %}{{ category.title }} - Forum{% endblock %}
+
+{% block extra_css %}
+<style>
+  .thread-item {
+    transition: all 0.2s ease;
+  }
+  .thread-item:hover {
+    transform: translateX(2px);
+  }
+  .thread-pinned {
+    border-left-width: 4px;
+  }
+</style>
+{% endblock %}
+
+{% block content %}
+<div class="container mx-auto px-4 py-8">
+  <!-- Breadcrumb Navigation -->
+  <div class="mb-6 flex items-center text-sm">
+    <a href="{{ url_for('community') }}" class="opacity-75 hover:opacity-100 transition-opacity">
+      <i class="fas fa-home mr-1"></i> Forum
+    </a>
+    <span class="mx-2 opacity-50">/</span>
+    <span class="font-medium">{{ category.title }}</span>
+  </div>
+  
+  <!-- Kategorie-Header -->
+  <div class="mb-8 flex flex-wrap items-center justify-between gap-4">
+    <div class="flex items-center">
+      <!-- Kategorie-Icon -->
+      <div class="w-12 h-12 rounded-xl mr-4 flex items-center justify-center text-white" 
+           style="background-color: {{ node.color_code or '#6d28d9' }}">
+        <i class="fas {{ node.icon or 'fa-folder' }} text-2xl"></i>
+      </div>
+      
+      <!-- Kategorie-Info -->
+      <div>
+        <h1 class="text-2xl font-bold">{{ category.title }}</h1>
+        <p class="opacity-75">{{ category.description }}</p>
+      </div>
+    </div>
+    
+    <!-- Neues Thema erstellen -->
+    <a href="{{ url_for('new_post', category_id=category.id) }}" 
+       class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
+       x-bind:class="darkMode 
+       ? 'bg-indigo-700 hover:bg-indigo-600 text-white' 
+       : 'bg-indigo-500 hover:bg-indigo-600 text-white'">
+      <i class="fas fa-plus-circle mr-2"></i>
+      Neues Thema
+    </a>
+  </div>
+  
+  <!-- Threads anzeigen -->
+  <div class="mb-8 rounded-xl overflow-hidden"
+       x-bind:class="darkMode ? 'bg-gray-800/60 border border-white/10' : 'bg-white border border-gray-200'">
+    
+    <!-- Header -->
+    <div class="p-4 border-b" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
+      <div class="grid grid-cols-12 gap-4">
+        <div class="col-span-7 font-medium">Thema</div>
+        <div class="col-span-1 text-center font-medium hidden md:block">Antworten</div>
+        <div class="col-span-2 text-center font-medium hidden md:block">Autor</div>
+        <div class="col-span-2 text-center font-medium hidden md:block">Letzte Antwort</div>
+      </div>
+    </div>
+    
+    <!-- Thread-Liste -->
+    {% if threads_data %}
+      {% for thread_data in threads_data %}
+        {% set thread = thread_data.thread %}
+        <div class="thread-item p-4 border-b last:border-b-0 {{ 'thread-pinned' if thread.is_pinned }}" 
+             x-bind:class="darkMode 
+             ? 'border-white/10 hover:bg-gray-700/50 {{ 'border-l-yellow-500' if thread.is_pinned }}' 
+             : 'border-gray-200 hover:bg-gray-50 {{ 'border-l-yellow-500' if thread.is_pinned }}'">
+          <a href="{{ url_for('forum_post', post_id=thread.id) }}" class="block">
+            <div class="grid grid-cols-12 gap-4">
+              <!-- Thema -->
+              <div class="col-span-12 md:col-span-7">
+                <div class="flex items-start">
+                  <!-- Status-Icons -->
+                  <div class="flex flex-col items-center mr-3 pt-1">
+                    {% if thread.is_pinned %}
+                      <i class="fas fa-thumbtack text-yellow-500" title="Angepinnt"></i>
+                    {% endif %}
+                    {% if thread.is_locked %}
+                      <i class="fas fa-lock text-red-500 mt-1" title="Gesperrt"></i>
+                    {% endif %}
+                  </div>
+                  
+                  <!-- Themen-Info -->
+                  <div>
+                    <h3 class="font-medium leading-snug mb-1 {% if thread.is_locked %}opacity-70{% endif %}">
+                      {{ thread.title }}
+                    </h3>
+                    <div class="flex items-center text-xs opacity-70 mt-1">
+                      <span><i class="fas fa-eye mr-1"></i> {{ thread.view_count }}</span>
+                      <span class="mx-2 block md:hidden">•</span>
+                      <span class="block md:hidden"><i class="fas fa-reply mr-1"></i> {{ thread_data.reply_count }}</span>
+                      <span class="mx-2">•</span>
+                      <span><i class="fas fa-clock mr-1"></i> {{ thread.created_at.strftime('%d.%m.%Y, %H:%M') }}</span>
+                    </div>
+                  </div>
+                </div>
+              </div>
+              
+              <!-- Antworten -->
+              <div class="col-span-1 text-center hidden md:flex items-center justify-center">
+                <span class="px-2.5 py-1 rounded-full text-sm font-medium" 
+                     x-bind:class="darkMode 
+                     ? 'bg-indigo-900/40 text-indigo-300' 
+                     : 'bg-indigo-100 text-indigo-800'">
+                  {{ thread_data.reply_count }}
+                </span>
+              </div>
+              
+              <!-- Autor -->
+              <div class="col-span-2 text-center hidden md:flex items-center justify-center">
+                <div class="flex items-center">
+                  <div class="w-7 h-7 rounded-full flex items-center justify-center text-white text-xs font-medium overflow-hidden mr-2" 
+                       style="background: linear-gradient(135deg, #8b5cf6, #6366f1);">
+                    {% if thread.author.avatar %}
+                      <img src="{{ thread.author.avatar }}" alt="{{ thread.author.username }}" class="w-full h-full object-cover">
+                    {% else %}
+                      {{ thread.author.username[0].upper() }}
+                    {% endif %}
+                  </div>
+                  <span class="text-sm truncate max-w-[80px]">{{ thread.author.username }}</span>
+                </div>
+              </div>
+              
+              <!-- Letzte Antwort -->
+              <div class="col-span-2 text-center hidden md:block text-sm">
+                {% if thread_data.latest_reply %}
+                  <div>{{ thread_data.latest_reply.created_at.strftime('%d.%m.%Y') }}</div>
+                  <div class="opacity-75 text-xs">{{ thread_data.latest_reply.created_at.strftime('%H:%M') }} Uhr</div>
+                {% else %}
+                  <span class="opacity-60">Keine Antworten</span>
+                {% endif %}
+              </div>
+            </div>
+          </a>
+        </div>
+      {% endfor %}
+    {% else %}
+      <div class="p-8 text-center">
+        <div class="text-3xl mb-3 opacity-30"><i class="fas fa-comments"></i></div>
+        <h3 class="text-xl font-semibold mb-2">Keine Themen vorhanden</h3>
+        <p class="opacity-75 mb-4">In dieser Kategorie wurden noch keine Themen erstellt.</p>
+        <a href="{{ url_for('new_post', category_id=category.id) }}" 
+           class="inline-block px-5 py-2.5 rounded-lg transition-all duration-300"
+           x-bind:class="darkMode 
+           ? 'bg-indigo-700 hover:bg-indigo-600 text-white' 
+           : 'bg-indigo-500 hover:bg-indigo-600 text-white'">
+          <i class="fas fa-plus-circle mr-2"></i>
+          Erstes Thema erstellen
+        </a>
+      </div>
+    {% endif %}
+  </div>
+  
+  <!-- Link zur Mindmap -->
+  <div class="rounded-xl p-5 mb-4 flex items-center"
+       x-bind:class="darkMode ? 'bg-purple-900/20 border border-purple-800/30' : 'bg-purple-50 border border-purple-100'">
+    <div class="text-3xl mr-4 opacity-80">
+      <i class="fas fa-diagram-project" style="color: {{ node.color_code }}"></i>
+    </div>
+    <div>
+      <h3 class="font-medium mb-1">Mindmap-Knotenpunkt: {{ node.name }}</h3>
+      <p class="text-sm opacity-75">In der Mindmap findest du weitere Informationen zu diesem Themenbereich.</p>
+    </div>
+    <div class="ml-auto">
+      <a href="{{ url_for('mindmap') }}" 
+         class="px-4 py-2 rounded-lg inline-block text-sm transition-all"
+         x-bind:class="darkMode 
+         ? 'bg-purple-800/60 hover:bg-purple-700/60 text-white' 
+         : 'bg-white hover:bg-purple-100 text-purple-800 border border-purple-200'">
+        Zur Mindmap
+      </a>
+    </div>
+  </div>
+</div>
+{% endblock %}
+
+{% block scripts %}
+<script>
+  // Hier können bei Bedarf kategoriespezifische Scripts eingefügt werden
+</script>
+{% endblock %} 
\ No newline at end of file
diff --git a/templates/community/edit_post.html b/templates/community/edit_post.html
new file mode 100644
index 0000000..8c77501
--- /dev/null
+++ b/templates/community/edit_post.html
@@ -0,0 +1,344 @@
+{% extends 'base.html' %}
+
+{% block title %}Beitrag bearbeiten{% endblock %}
+
+{% block extra_css %}
+<style>
+  .markdown-preview {
+    min-height: 200px;
+    max-height: 400px;
+    overflow-y: auto;
+    line-height: 1.6;
+  }
+  .markdown-preview p {
+    margin-bottom: 1rem;
+  }
+  .markdown-preview h1, .markdown-preview h2, .markdown-preview h3, 
+  .markdown-preview h4, .markdown-preview h5, .markdown-preview h6 {
+    margin-top: 1.5rem;
+    margin-bottom: 0.75rem;
+    font-weight: 600;
+  }
+  .markdown-preview h1 { font-size: 1.8rem; }
+  .markdown-preview h2 { font-size: 1.5rem; }
+  .markdown-preview h3 { font-size: 1.3rem; }
+  .markdown-preview h4 { font-size: 1.1rem; }
+  .markdown-preview ul, .markdown-preview ol {
+    margin-left: 1.5rem;
+    margin-bottom: 1rem;
+  }
+  .markdown-preview ul { list-style-type: disc; }
+  .markdown-preview ol { list-style-type: decimal; }
+  .markdown-preview pre {
+    background-color: rgba(0,0,0,0.05);
+    padding: 1rem;
+    border-radius: 0.5rem;
+    overflow-x: auto;
+    margin: 1rem 0;
+  }
+  .markdown-preview code {
+    font-family: 'JetBrains Mono', monospace;
+    font-size: 0.9em;
+    padding: 0.1em 0.3em;
+    border-radius: 0.3em;
+    background-color: rgba(0,0,0,0.05);
+  }
+  .markdown-preview pre code {
+    padding: 0;
+    background-color: transparent;
+  }
+  .markdown-preview blockquote {
+    border-left: 4px solid;
+    padding-left: 1rem;
+    margin-left: 0;
+    margin-right: 0;
+    margin-bottom: 1rem;
+    opacity: 0.8;
+  }
+  .dark .markdown-preview code {
+    background-color: rgba(255,255,255,0.1);
+  }
+  .dark .markdown-preview blockquote {
+    border-color: rgba(255,255,255,0.2);
+  }
+  .node-mention {
+    display: inline-flex;
+    align-items: center;
+    background-color: rgba(109, 40, 217, 0.1);
+    color: #6d28d9;
+    border-radius: 4px;
+    padding: 1px 6px;
+    font-size: 0.9em;
+    margin: 0 2px;
+    font-weight: 500;
+  }
+  .dark .node-mention {
+    background-color: rgba(167, 139, 250, 0.2);
+    color: #a78bfa;
+  }
+</style>
+{% endblock %}
+
+{% block content %}
+<div class="container mx-auto px-4 py-8">
+  <!-- Breadcrumb Navigation -->
+  <div class="mb-6 flex items-center text-sm">
+    <a href="{{ url_for('community') }}" class="opacity-75 hover:opacity-100 transition-opacity">
+      <i class="fas fa-home mr-1"></i> Forum
+    </a>
+    <span class="mx-2 opacity-50">/</span>
+    <a href="{{ url_for('forum_category', category_id=post.category_id) }}" class="opacity-75 hover:opacity-100 transition-opacity">
+      {{ post.category.title }}
+    </a>
+    <span class="mx-2 opacity-50">/</span>
+    {% if post.parent_id %}
+    <a href="{{ url_for('forum_post', post_id=post.parent_id) }}" class="opacity-75 hover:opacity-100 transition-opacity truncate max-w-[200px]">
+      {{ post.parent.title }}
+    </a>
+    <span class="mx-2 opacity-50">/</span>
+    {% endif %}
+    <span class="font-medium">Beitrag bearbeiten</span>
+  </div>
+  
+  <!-- Formular-Header -->
+  <div class="mb-6">
+    <h1 class="text-2xl font-bold mb-2">Beitrag bearbeiten</h1>
+    <p class="opacity-75">
+      {% if post.parent_id %}
+      Antwort auf <span class="font-medium">{{ post.parent.title }}</span>
+      {% else %}
+      in der Kategorie <span class="font-medium">{{ post.category.title }}</span>
+      {% endif %}
+    </p>
+  </div>
+  
+  <!-- Formular -->
+  <div class="mb-8 rounded-xl overflow-hidden"
+       x-bind:class="darkMode ? 'bg-gray-800/60 border border-white/10' : 'bg-white border border-gray-200'">
+    <div class="p-4 border-b font-medium" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
+      <i class="fas fa-edit mr-2"></i>
+      Beitrag bearbeiten
+    </div>
+    <div class="p-6">
+      <form action="{{ url_for('edit_post', post_id=post.id) }}" method="POST" x-data="{ 
+        title: '{{ post.title|safe }}', 
+        content: '{{ post.content|replace('\n', '\\n')|replace('\'', '\\\'')|safe }}',
+        showPreview: false,
+        previewHtml: '',
+        
+        updatePreview() {
+          // Verarbeite den Inhalt
+          if (this.content.trim() === '') {
+            this.previewHtml = '<div class=\'opacity-50 italic\'>Die Vorschau wird hier angezeigt...</div>';
+            return;
+          }
+          
+          // Verarbeite Markdown
+          let html = marked.parse(this.content);
+          
+          // Ersetze @Knotenname mit entsprechenden Links
+          html = html.replace(/@([a-zA-Z0-9äöüÄÖÜß_-]+)/g, '<span class=\'node-mention\'><i class=\'fas fa-diagram-project fa-xs mr-1\'></i>$1</span>');
+          
+          this.previewHtml = html;
+        }
+      }">
+        <div class="mb-6">
+          <label for="title" class="block mb-2 font-medium">Titel</label>
+          <div class="rounded-lg overflow-hidden"
+               x-bind:class="darkMode ? 'border border-white/20' : 'border border-gray-300'">
+            <input type="text" id="title" name="title" 
+                  class="w-full px-4 py-3" 
+                  x-bind:class="darkMode 
+                  ? 'bg-gray-700/50 text-white placeholder-gray-400 focus:border-indigo-500' 
+                  : 'bg-white text-gray-700 placeholder-gray-400 focus:border-indigo-500'"
+                  x-model="title"
+                  required>
+          </div>
+        </div>
+        
+        <div class="mb-6">
+          <div class="flex justify-between items-center mb-2">
+            <label for="content" class="font-medium">Inhalt</label>
+            <div class="flex space-x-2">
+              <button type="button"
+                     class="px-3 py-1 rounded text-sm flex items-center"
+                     x-bind:class="darkMode 
+                     ? 'bg-gray-700 hover:bg-gray-600 text-white' 
+                     : 'bg-gray-200 hover:bg-gray-300 text-gray-700'"
+                     @click="showPreview = false"
+                     x-bind:disabled="!showPreview"
+                     x-bind:class="{'opacity-50': !showPreview}">
+                <i class="fas fa-edit mr-1"></i> Bearbeiten
+              </button>
+              <button type="button"
+                     class="px-3 py-1 rounded text-sm flex items-center"
+                     x-bind:class="darkMode 
+                     ? 'bg-gray-700 hover:bg-gray-600 text-white' 
+                     : 'bg-gray-200 hover:bg-gray-300 text-gray-700'"
+                     @click="updatePreview(); showPreview = true"
+                     x-bind:disabled="showPreview"
+                     x-bind:class="{'opacity-50': showPreview}">
+                <i class="fas fa-eye mr-1"></i> Vorschau
+              </button>
+            </div>
+          </div>
+          
+          <!-- Editor -->
+          <div class="rounded-lg overflow-hidden mb-2"
+               x-bind:class="darkMode ? 'border border-white/20' : 'border border-gray-300'"
+               x-show="!showPreview">
+            <textarea id="content" name="content" rows="12" 
+                     class="w-full p-3 resize-y"
+                     x-bind:class="darkMode 
+                     ? 'bg-gray-700/50 text-white placeholder-gray-400 focus:border-indigo-500' 
+                     : 'bg-white text-gray-700 placeholder-gray-400 focus:border-indigo-500'"
+                     x-model="content"
+                     required></textarea>
+          </div>
+          
+          <!-- Preview -->
+          <div class="rounded-lg overflow-hidden mb-2 p-4 markdown-preview"
+               x-bind:class="darkMode 
+               ? 'border border-white/20 bg-gray-700/30' 
+               : 'border border-gray-300 bg-gray-50'"
+               x-show="showPreview"
+               x-html="previewHtml">
+          </div>
+          
+          <!-- Markdown-Hilfsmittel -->
+          <div class="mb-4" x-show="!showPreview">
+            <div class="text-xs opacity-70">
+              <p>Du kannst Knotenpunkte der Mindmap durch <code>@Knotenname</code> verlinken.</p>
+              <p>Dieser Editor unterstützt Markdown-Formatierung:</p>
+              <div class="flex flex-wrap gap-2 mt-1">
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="**" data-before="" data-after="" title="Fett">
+                  <i class="fas fa-bold"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="*" data-before="" data-after="" title="Kursiv">
+                  <i class="fas fa-italic"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="`" data-before="" data-after="" title="Code">
+                  <i class="fas fa-code"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="[Link-Text](URL)" data-before="" data-after="" title="Link">
+                  <i class="fas fa-link"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="\n```\nCode-Block\n```" data-before="" data-after="" title="Code-Block">
+                  <i class="fas fa-file-code"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format=">" data-before="" data-after="" title="Zitat">
+                  <i class="fas fa-quote-right"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="- " data-before="" data-after="" title="Liste">
+                  <i class="fas fa-list-ul"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="1. " data-before="" data-after="" title="Nummerierte Liste">
+                  <i class="fas fa-list-ol"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="# " data-before="" data-after="" title="Überschrift">
+                  <i class="fas fa-heading"></i>
+                </button>
+              </div>
+            </div>
+          </div>
+        </div>
+        
+        <div class="flex justify-between items-center">
+          <a href="{{ url_for('forum_post', post_id=post.parent_id or post.id) }}" 
+             class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
+             x-bind:class="darkMode 
+             ? 'bg-gray-700 hover:bg-gray-600 text-white' 
+             : 'bg-gray-200 hover:bg-gray-300 text-gray-700'">
+            Abbrechen
+          </a>
+          <button type="submit" 
+                 class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
+                 x-bind:class="darkMode 
+                 ? 'bg-indigo-700 hover:bg-indigo-600 text-white' 
+                 : 'bg-indigo-500 hover:bg-indigo-600 text-white'">
+            <i class="fas fa-save mr-2"></i>
+            Änderungen speichern
+          </button>
+        </div>
+      </form>
+    </div>
+  </div>
+</div>
+{% endblock %}
+
+{% block scripts %}
+<script>
+  document.addEventListener('DOMContentLoaded', function() {
+    // Markdown-Buttons für den Beitragseditor
+    document.querySelectorAll('.markdown-button').forEach(button => {
+      button.addEventListener('click', function() {
+        const textarea = document.getElementById('content');
+        const format = this.dataset.format;
+        const before = this.dataset.before || '';
+        const after = this.dataset.after || '';
+        
+        // Hole die aktuelle Auswahl
+        const start = textarea.selectionStart;
+        const end = textarea.selectionEnd;
+        const selection = textarea.value.substring(start, end);
+        
+        // Wende die Formatierung an
+        let formattedText;
+        if (format.includes('\n')) {
+          // Für Formate mit Zeilenumbrüchen (z.B. Code-Blöcke)
+          formattedText = format.replace('Code-Block', selection || 'Code-Block');
+        } else if (format.includes('[Link-Text](URL)')) {
+          formattedText = format.replace('Link-Text', selection || 'Link-Text');
+        } else if (format === '- ' || format === '1. ' || format === '# ' || format === '> ') {
+          // Für Listen und Überschriften: am Anfang der Zeile einfügen
+          const beforeSelection = textarea.value.substring(0, start);
+          const afterSelection = textarea.value.substring(end);
+          
+          // Finde den Anfang der aktuellen Zeile
+          const lastNewline = beforeSelection.lastIndexOf('\n');
+          const lineStart = lastNewline === -1 ? 0 : lastNewline + 1;
+          
+          // Füge das Format am Zeilenanfang ein
+          formattedText = beforeSelection.substring(0, lineStart) + 
+                         format + 
+                         beforeSelection.substring(lineStart) + 
+                         selection + 
+                         afterSelection;
+          
+          // Setze die neue Cursor-Position
+          const newCursorPos = end + format.length;
+          textarea.value = formattedText;
+          textarea.setSelectionRange(newCursorPos, newCursorPos);
+          
+          // Alpine.js Model aktualisieren
+          textarea.dispatchEvent(new Event('input'));
+          return; // Früher zurückkehren, da wir die Formatierung bereits angewendet haben
+        } else {
+          // Für einfache Formatierungen wie fett, kursiv, Code
+          formattedText = before + format + selection + format + after;
+        }
+        
+        // Ersetze den Text
+        textarea.value = textarea.value.substring(0, start) + formattedText + textarea.value.substring(end);
+        
+        // Setze den Fokus zurück auf das Textarea
+        textarea.focus();
+        
+        // Alpine.js Model aktualisieren
+        textarea.dispatchEvent(new Event('input'));
+        
+        // Setze die Auswahl neu, wenn es eine Auswahl gab
+        if (selection) {
+          const newStart = start + before.length + format.length;
+          const newEnd = newStart + selection.length;
+          textarea.setSelectionRange(newStart, newEnd);
+        } else {
+          // Setze den Cursor in die Mitte von **|** oder `|`
+          const newCursorPos = start + before.length + format.length;
+          textarea.setSelectionRange(newCursorPos, newCursorPos);
+        }
+      });
+    });
+  });
+</script>
+{% endblock %} 
\ No newline at end of file
diff --git a/templates/community/index.html b/templates/community/index.html
new file mode 100644
index 0000000..aef5a13
--- /dev/null
+++ b/templates/community/index.html
@@ -0,0 +1,125 @@
+{% extends 'base.html' %}
+
+{% block title %}Community Forum{% endblock %}
+
+{% block extra_css %}
+<style>
+  .forum-category {
+    transition: all 0.3s ease;
+  }
+  .forum-category:hover {
+    transform: translateY(-2px);
+  }
+  .category-icon {
+    font-size: 1.5rem;
+    width: 2.5rem;
+    height: 2.5rem;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    border-radius: 0.75rem;
+  }
+</style>
+{% endblock %}
+
+{% block content %}
+<div class="container mx-auto px-4 py-8">
+  <!-- Seitenüberschrift -->
+  <div class="mb-8 text-center">
+    <h1 class="text-3xl font-bold mb-2 gradient-text">Community Forum</h1>
+    <p class="text-lg opacity-75">Diskutiere mit anderen Nutzern über die Hauptthemenbereiche der Mindmap</p>
+  </div>
+  
+  <!-- Forumskategorien -->
+  <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-8">
+    {% if categories_data %}
+      {% for cat_data in categories_data %}
+        <a href="{{ url_for('forum_category', category_id=cat_data.category.id) }}" class="forum-category block">
+          <div class="rounded-xl p-5 h-full" 
+               x-bind:class="darkMode ? 'bg-gray-800/60 hover:bg-gray-800/80 border border-white/10' : 'bg-white hover:bg-gray-50 border border-gray-200 shadow-md'">
+            <div class="flex items-start">
+              <!-- Kategorie-Icon -->
+              <div class="category-icon mr-4 text-white" 
+                   style="background-color: {{ cat_data.category.node.color_code or '#6d28d9' }}">
+                <i class="fas {{ cat_data.category.node.icon or 'fa-folder' }}"></i>
+              </div>
+              
+              <!-- Kategorie-Info -->
+              <div class="flex-grow">
+                <h3 class="text-xl font-semibold mb-2">{{ cat_data.category.title }}</h3>
+                <p class="opacity-75 text-sm mb-3">{{ cat_data.category.description }}</p>
+                
+                <!-- Statistik -->
+                <div class="flex flex-wrap gap-4 text-sm opacity-80">
+                  <div class="flex items-center">
+                    <i class="fas fa-comment-alt mr-2"></i>
+                    <span>{{ cat_data.total_posts }} Themen</span>
+                  </div>
+                  <div class="flex items-center">
+                    <i class="fas fa-reply mr-2"></i>
+                    <span>{{ cat_data.total_replies }} Antworten</span>
+                  </div>
+                  {% if cat_data.latest_post %}
+                  <div class="flex items-center">
+                    <i class="fas fa-clock mr-2"></i>
+                    <span>Neuster Beitrag: {{ cat_data.latest_post.created_at.strftime('%d.%m.%Y, %H:%M') }}</span>
+                  </div>
+                  {% endif %}
+                </div>
+              </div>
+              
+              <!-- Pfeil-Icon -->
+              <div class="ml-2">
+                <i class="fas fa-chevron-right opacity-50"></i>
+              </div>
+            </div>
+          </div>
+        </a>
+      {% endfor %}
+    {% else %}
+      <div class="col-span-2 text-center py-8">
+        <div class="text-3xl mb-3 opacity-30"><i class="fas fa-exclamation-circle"></i></div>
+        <h3 class="text-xl font-semibold mb-2">Keine Forum-Kategorien gefunden</h3>
+        <p class="opacity-75">Es sind derzeit keine Kategorien für Diskussionen verfügbar.</p>
+      </div>
+    {% endif %}
+  </div>
+  
+  <!-- Hinweis zur Nutzung -->
+  <div class="rounded-xl p-6 text-center mb-8" 
+       x-bind:class="darkMode ? 'bg-indigo-900/30 border border-indigo-700/30' : 'bg-indigo-50 border border-indigo-100'">
+    <h3 class="text-xl font-semibold mb-3">
+      <i class="fas fa-lightbulb mr-2 text-yellow-500"></i>
+      So funktioniert das Forum
+    </h3>
+    <p class="mb-4">Das Community-Forum ist nach den Hauptknotenpunkten der Systades-Mindmap strukturiert. 
+      In deinen Beiträgen kannst du Knotenpunkte mit <code>@Knotenname</code> verlinken.</p>
+    <div class="grid grid-cols-1 md:grid-cols-3 gap-4 mt-6">
+      <div class="p-4 rounded-lg" 
+           x-bind:class="darkMode ? 'bg-indigo-800/40' : 'bg-white border border-indigo-100'">
+        <div class="text-2xl mb-2"><i class="fas fa-users text-indigo-400"></i></div>
+        <h4 class="font-medium mb-1">Fachliche Diskussionen</h4>
+        <p class="text-sm opacity-75">Tausche dich mit anderen zu spezifischen Themen aus</p>
+      </div>
+      <div class="p-4 rounded-lg" 
+           x-bind:class="darkMode ? 'bg-indigo-800/40' : 'bg-white border border-indigo-100'">
+        <div class="text-2xl mb-2"><i class="fas fa-link text-indigo-400"></i></div>
+        <h4 class="font-medium mb-1">Wissensvernetzung</h4>
+        <p class="text-sm opacity-75">Verknüpfe Inhalte durch Knotenreferenzen</p>
+      </div>
+      <div class="p-4 rounded-lg" 
+           x-bind:class="darkMode ? 'bg-indigo-800/40' : 'bg-white border border-indigo-100'">
+        <div class="text-2xl mb-2"><i class="fas fa-markdown text-indigo-400"></i></div>
+        <h4 class="font-medium mb-1">Markdown Support</h4>
+        <p class="text-sm opacity-75">Formatiere deine Beiträge mit Markdown</p>
+      </div>
+    </div>
+  </div>
+</div>
+{% endblock %}
+
+{% block scripts %}
+<script>
+  // Hier können bei Bedarf forumspezifische Scripts eingefügt werden
+</script>
+{% endblock %} 
\ No newline at end of file
diff --git a/templates/community/new_post.html b/templates/community/new_post.html
new file mode 100644
index 0000000..df4f115
--- /dev/null
+++ b/templates/community/new_post.html
@@ -0,0 +1,355 @@
+{% extends 'base.html' %}
+
+{% block title %}Neues Thema - {{ category.title }}{% endblock %}
+
+{% block extra_css %}
+<style>
+  .markdown-preview {
+    min-height: 200px;
+    max-height: 400px;
+    overflow-y: auto;
+    line-height: 1.6;
+  }
+  .markdown-preview p {
+    margin-bottom: 1rem;
+  }
+  .markdown-preview h1, .markdown-preview h2, .markdown-preview h3, 
+  .markdown-preview h4, .markdown-preview h5, .markdown-preview h6 {
+    margin-top: 1.5rem;
+    margin-bottom: 0.75rem;
+    font-weight: 600;
+  }
+  .markdown-preview h1 { font-size: 1.8rem; }
+  .markdown-preview h2 { font-size: 1.5rem; }
+  .markdown-preview h3 { font-size: 1.3rem; }
+  .markdown-preview h4 { font-size: 1.1rem; }
+  .markdown-preview ul, .markdown-preview ol {
+    margin-left: 1.5rem;
+    margin-bottom: 1rem;
+  }
+  .markdown-preview ul { list-style-type: disc; }
+  .markdown-preview ol { list-style-type: decimal; }
+  .markdown-preview pre {
+    background-color: rgba(0,0,0,0.05);
+    padding: 1rem;
+    border-radius: 0.5rem;
+    overflow-x: auto;
+    margin: 1rem 0;
+  }
+  .markdown-preview code {
+    font-family: 'JetBrains Mono', monospace;
+    font-size: 0.9em;
+    padding: 0.1em 0.3em;
+    border-radius: 0.3em;
+    background-color: rgba(0,0,0,0.05);
+  }
+  .markdown-preview pre code {
+    padding: 0;
+    background-color: transparent;
+  }
+  .markdown-preview blockquote {
+    border-left: 4px solid;
+    padding-left: 1rem;
+    margin-left: 0;
+    margin-right: 0;
+    margin-bottom: 1rem;
+    opacity: 0.8;
+  }
+  .dark .markdown-preview code {
+    background-color: rgba(255,255,255,0.1);
+  }
+  .dark .markdown-preview blockquote {
+    border-color: rgba(255,255,255,0.2);
+  }
+  .node-mention {
+    display: inline-flex;
+    align-items: center;
+    background-color: rgba(109, 40, 217, 0.1);
+    color: #6d28d9;
+    border-radius: 4px;
+    padding: 1px 6px;
+    font-size: 0.9em;
+    margin: 0 2px;
+    font-weight: 500;
+  }
+  .dark .node-mention {
+    background-color: rgba(167, 139, 250, 0.2);
+    color: #a78bfa;
+  }
+</style>
+{% endblock %}
+
+{% block content %}
+<div class="container mx-auto px-4 py-8">
+  <!-- Breadcrumb Navigation -->
+  <div class="mb-6 flex items-center text-sm">
+    <a href="{{ url_for('community') }}" class="opacity-75 hover:opacity-100 transition-opacity">
+      <i class="fas fa-home mr-1"></i> Forum
+    </a>
+    <span class="mx-2 opacity-50">/</span>
+    <a href="{{ url_for('forum_category', category_id=category.id) }}" class="opacity-75 hover:opacity-100 transition-opacity">
+      {{ category.title }}
+    </a>
+    <span class="mx-2 opacity-50">/</span>
+    <span class="font-medium">Neues Thema</span>
+  </div>
+  
+  <!-- Formular-Header -->
+  <div class="mb-6">
+    <h1 class="text-2xl font-bold mb-2">Neues Thema erstellen</h1>
+    <p class="opacity-75">in der Kategorie <span class="font-medium">{{ category.title }}</span></p>
+  </div>
+  
+  <!-- Formular -->
+  <div class="mb-8 rounded-xl overflow-hidden"
+       x-bind:class="darkMode ? 'bg-gray-800/60 border border-white/10' : 'bg-white border border-gray-200'">
+    <div class="p-4 border-b font-medium" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
+      <i class="fas fa-plus-circle mr-2"></i>
+      Neues Thema
+    </div>
+    <div class="p-6">
+      <form action="{{ url_for('new_post', category_id=category.id) }}" method="POST" x-data="{ 
+        title: '', 
+        content: '',
+        showPreview: false,
+        previewHtml: '',
+        
+        updatePreview() {
+          // Verarbeite den Inhalt
+          if (this.content.trim() === '') {
+            this.previewHtml = '<div class=\'opacity-50 italic\'>Die Vorschau wird hier angezeigt...</div>';
+            return;
+          }
+          
+          // Verarbeite Markdown
+          let html = marked.parse(this.content);
+          
+          // Ersetze @Knotenname mit entsprechenden Links
+          html = html.replace(/@([a-zA-Z0-9äöüÄÖÜß_-]+)/g, '<span class=\'node-mention\'><i class=\'fas fa-diagram-project fa-xs mr-1\'></i>$1</span>');
+          
+          this.previewHtml = html;
+        }
+      }">
+        <div class="mb-6">
+          <label for="title" class="block mb-2 font-medium">Titel des Themas</label>
+          <div class="rounded-lg overflow-hidden"
+               x-bind:class="darkMode ? 'border border-white/20' : 'border border-gray-300'">
+            <input type="text" id="title" name="title" 
+                  class="w-full px-4 py-3" 
+                  x-bind:class="darkMode 
+                  ? 'bg-gray-700/50 text-white placeholder-gray-400 focus:border-indigo-500' 
+                  : 'bg-white text-gray-700 placeholder-gray-400 focus:border-indigo-500'"
+                  placeholder="Ein prägnanter Titel für dein Thema"
+                  x-model="title"
+                  required>
+          </div>
+        </div>
+        
+        <div class="mb-6">
+          <div class="flex justify-between items-center mb-2">
+            <label for="content" class="font-medium">Inhalt</label>
+            <div class="flex space-x-2">
+              <button type="button"
+                     class="px-3 py-1 rounded text-sm flex items-center"
+                     x-bind:class="darkMode 
+                     ? 'bg-gray-700 hover:bg-gray-600 text-white' 
+                     : 'bg-gray-200 hover:bg-gray-300 text-gray-700'"
+                     @click="showPreview = false"
+                     x-bind:disabled="!showPreview"
+                     x-bind:class="{'opacity-50': !showPreview}">
+                <i class="fas fa-edit mr-1"></i> Bearbeiten
+              </button>
+              <button type="button"
+                     class="px-3 py-1 rounded text-sm flex items-center"
+                     x-bind:class="darkMode 
+                     ? 'bg-gray-700 hover:bg-gray-600 text-white' 
+                     : 'bg-gray-200 hover:bg-gray-300 text-gray-700'"
+                     @click="updatePreview(); showPreview = true"
+                     x-bind:disabled="showPreview"
+                     x-bind:class="{'opacity-50': showPreview}">
+                <i class="fas fa-eye mr-1"></i> Vorschau
+              </button>
+            </div>
+          </div>
+          
+          <!-- Editor -->
+          <div class="rounded-lg overflow-hidden mb-2"
+               x-bind:class="darkMode ? 'border border-white/20' : 'border border-gray-300'"
+               x-show="!showPreview">
+            <textarea id="content" name="content" rows="12" 
+                     class="w-full p-3 resize-y"
+                     x-bind:class="darkMode 
+                     ? 'bg-gray-700/50 text-white placeholder-gray-400 focus:border-indigo-500' 
+                     : 'bg-white text-gray-700 placeholder-gray-400 focus:border-indigo-500'"
+                     placeholder="Schreibe deinen Beitrag hier (unterstützt Markdown und @Knotenname-Erwähnungen)..."
+                     x-model="content"
+                     required></textarea>
+          </div>
+          
+          <!-- Preview -->
+          <div class="rounded-lg overflow-hidden mb-2 p-4 markdown-preview"
+               x-bind:class="darkMode 
+               ? 'border border-white/20 bg-gray-700/30' 
+               : 'border border-gray-300 bg-gray-50'"
+               x-show="showPreview"
+               x-html="previewHtml">
+          </div>
+          
+          <!-- Markdown-Hilfsmittel -->
+          <div class="mb-4" x-show="!showPreview">
+            <div class="text-xs opacity-70">
+              <p>Du kannst Knotenpunkte der Mindmap durch <code>@Knotenname</code> verlinken.</p>
+              <p>Dieser Editor unterstützt Markdown-Formatierung:</p>
+              <div class="flex flex-wrap gap-2 mt-1">
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="**" data-before="" data-after="" title="Fett">
+                  <i class="fas fa-bold"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="*" data-before="" data-after="" title="Kursiv">
+                  <i class="fas fa-italic"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="`" data-before="" data-after="" title="Code">
+                  <i class="fas fa-code"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="[Link-Text](URL)" data-before="" data-after="" title="Link">
+                  <i class="fas fa-link"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="\n```\nCode-Block\n```" data-before="" data-after="" title="Code-Block">
+                  <i class="fas fa-file-code"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format=">" data-before="" data-after="" title="Zitat">
+                  <i class="fas fa-quote-right"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="- " data-before="" data-after="" title="Liste">
+                  <i class="fas fa-list-ul"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="1. " data-before="" data-after="" title="Nummerierte Liste">
+                  <i class="fas fa-list-ol"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="# " data-before="" data-after="" title="Überschrift">
+                  <i class="fas fa-heading"></i>
+                </button>
+              </div>
+            </div>
+          </div>
+        </div>
+        
+        <div class="flex justify-between items-center">
+          <a href="{{ url_for('forum_category', category_id=category.id) }}" 
+             class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
+             x-bind:class="darkMode 
+             ? 'bg-gray-700 hover:bg-gray-600 text-white' 
+             : 'bg-gray-200 hover:bg-gray-300 text-gray-700'">
+            Abbrechen
+          </a>
+          <button type="submit" 
+                 class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
+                 x-bind:class="darkMode 
+                 ? 'bg-indigo-700 hover:bg-indigo-600 text-white' 
+                 : 'bg-indigo-500 hover:bg-indigo-600 text-white'">
+            <i class="fas fa-paper-plane mr-2"></i>
+            Thema erstellen
+          </button>
+        </div>
+      </form>
+    </div>
+  </div>
+  
+  <!-- Link zur Mindmap -->
+  <div class="rounded-xl p-5 mb-4 flex items-center"
+       x-bind:class="darkMode ? 'bg-purple-900/20 border border-purple-800/30' : 'bg-purple-50 border border-purple-100'">
+    <div class="text-3xl mr-4 opacity-80">
+      <i class="fas fa-diagram-project" style="color: {{ category.node.color_code }}"></i>
+    </div>
+    <div>
+      <h3 class="font-medium mb-1">Mindmap-Knotenpunkt: {{ category.node.name }}</h3>
+      <p class="text-sm opacity-75">Dieser Diskussionsbereich ist mit dem Mindmap-Knotenpunkt "{{ category.node.name }}" verknüpft.</p>
+    </div>
+    <div class="ml-auto">
+      <a href="{{ url_for('mindmap') }}" 
+         class="px-4 py-2 rounded-lg inline-block text-sm transition-all"
+         x-bind:class="darkMode 
+         ? 'bg-purple-800/60 hover:bg-purple-700/60 text-white' 
+         : 'bg-white hover:bg-purple-100 text-purple-800 border border-purple-200'">
+        Zur Mindmap
+      </a>
+    </div>
+  </div>
+</div>
+{% endblock %}
+
+{% block scripts %}
+<script>
+  document.addEventListener('DOMContentLoaded', function() {
+    // Markdown-Buttons für den Beitragseditor
+    document.querySelectorAll('.markdown-button').forEach(button => {
+      button.addEventListener('click', function() {
+        const textarea = document.getElementById('content');
+        const format = this.dataset.format;
+        const before = this.dataset.before || '';
+        const after = this.dataset.after || '';
+        
+        // Hole die aktuelle Auswahl
+        const start = textarea.selectionStart;
+        const end = textarea.selectionEnd;
+        const selection = textarea.value.substring(start, end);
+        
+        // Wende die Formatierung an
+        let formattedText;
+        if (format.includes('\n')) {
+          // Für Formate mit Zeilenumbrüchen (z.B. Code-Blöcke)
+          formattedText = format.replace('Code-Block', selection || 'Code-Block');
+        } else if (format.includes('[Link-Text](URL)')) {
+          formattedText = format.replace('Link-Text', selection || 'Link-Text');
+        } else if (format === '- ' || format === '1. ' || format === '# ' || format === '> ') {
+          // Für Listen und Überschriften: am Anfang der Zeile einfügen
+          const beforeSelection = textarea.value.substring(0, start);
+          const afterSelection = textarea.value.substring(end);
+          
+          // Finde den Anfang der aktuellen Zeile
+          const lastNewline = beforeSelection.lastIndexOf('\n');
+          const lineStart = lastNewline === -1 ? 0 : lastNewline + 1;
+          
+          // Füge das Format am Zeilenanfang ein
+          formattedText = beforeSelection.substring(0, lineStart) + 
+                         format + 
+                         beforeSelection.substring(lineStart) + 
+                         selection + 
+                         afterSelection;
+          
+          // Setze die neue Cursor-Position
+          const newCursorPos = end + format.length;
+          textarea.value = formattedText;
+          textarea.setSelectionRange(newCursorPos, newCursorPos);
+          
+          // Alpine.js Model aktualisieren
+          textarea.dispatchEvent(new Event('input'));
+          return; // Früher zurückkehren, da wir die Formatierung bereits angewendet haben
+        } else {
+          // Für einfache Formatierungen wie fett, kursiv, Code
+          formattedText = before + format + selection + format + after;
+        }
+        
+        // Ersetze den Text
+        textarea.value = textarea.value.substring(0, start) + formattedText + textarea.value.substring(end);
+        
+        // Setze den Fokus zurück auf das Textarea
+        textarea.focus();
+        
+        // Alpine.js Model aktualisieren
+        textarea.dispatchEvent(new Event('input'));
+        
+        // Setze die Auswahl neu, wenn es eine Auswahl gab
+        if (selection) {
+          const newStart = start + before.length + format.length;
+          const newEnd = newStart + selection.length;
+          textarea.setSelectionRange(newStart, newEnd);
+        } else {
+          // Setze den Cursor in die Mitte von **|** oder `|`
+          const newCursorPos = start + before.length + format.length;
+          textarea.setSelectionRange(newCursorPos, newCursorPos);
+        }
+      });
+    });
+  });
+</script>
+{% endblock %} 
\ No newline at end of file
diff --git a/templates/community/post.html b/templates/community/post.html
new file mode 100644
index 0000000..695b4db
--- /dev/null
+++ b/templates/community/post.html
@@ -0,0 +1,491 @@
+{% extends 'base.html' %}
+
+{% block title %}{{ post.title }} - Forum{% endblock %}
+
+{% block extra_css %}
+<style>
+  .post-content {
+    line-height: 1.7;
+  }
+  .post-content p {
+    margin-bottom: 1rem;
+  }
+  .post-content h1, .post-content h2, .post-content h3, 
+  .post-content h4, .post-content h5, .post-content h6 {
+    margin-top: 1.5rem;
+    margin-bottom: 0.75rem;
+    font-weight: 600;
+  }
+  .post-content h1 { font-size: 1.8rem; }
+  .post-content h2 { font-size: 1.5rem; }
+  .post-content h3 { font-size: 1.3rem; }
+  .post-content h4 { font-size: 1.1rem; }
+  .post-content ul, .post-content ol {
+    margin-left: 1.5rem;
+    margin-bottom: 1rem;
+  }
+  .post-content ul { list-style-type: disc; }
+  .post-content ol { list-style-type: decimal; }
+  .post-content pre {
+    background-color: rgba(0,0,0,0.05);
+    padding: 1rem;
+    border-radius: 0.5rem;
+    overflow-x: auto;
+    margin: 1rem 0;
+  }
+  .post-content code {
+    font-family: 'JetBrains Mono', monospace;
+    font-size: 0.9em;
+    padding: 0.1em 0.3em;
+    border-radius: 0.3em;
+    background-color: rgba(0,0,0,0.05);
+  }
+  .post-content pre code {
+    padding: 0;
+    background-color: transparent;
+  }
+  .post-content blockquote {
+    border-left: 4px solid;
+    padding-left: 1rem;
+    margin-left: 0;
+    margin-right: 0;
+    margin-bottom: 1rem;
+    opacity: 0.8;
+  }
+  .post-content img {
+    max-width: 100%;
+    height: auto;
+    border-radius: 0.5rem;
+    margin: 1rem 0;
+  }
+  .post-content table {
+    width: 100%;
+    border-collapse: collapse;
+    margin: 1rem 0;
+  }
+  .post-content th, .post-content td {
+    padding: 0.5rem;
+    border: 1px solid;
+    border-color: rgba(0,0,0,0.1);
+  }
+  .post-content th {
+    background-color: rgba(0,0,0,0.05);
+  }
+  .post-content a {
+    color: #6d28d9;
+    text-decoration: none;
+  }
+  .post-content a:hover {
+    text-decoration: underline;
+  }
+  .dark .post-content code {
+    background-color: rgba(255,255,255,0.1);
+  }
+  .dark .post-content th, .dark .post-content td {
+    border-color: rgba(255,255,255,0.1);
+  }
+  .dark .post-content th {
+    background-color: rgba(255,255,255,0.05);
+  }
+  .dark .post-content a {
+    color: #a78bfa;
+  }
+  .node-mention {
+    display: inline-flex;
+    align-items: center;
+    background-color: rgba(109, 40, 217, 0.1);
+    color: #6d28d9;
+    border-radius: 4px;
+    padding: 1px 6px;
+    font-size: 0.9em;
+    margin: 0 2px;
+    font-weight: 500;
+  }
+  .dark .node-mention {
+    background-color: rgba(167, 139, 250, 0.2);
+    color: #a78bfa;
+  }
+</style>
+{% endblock %}
+
+{% block content %}
+<div class="container mx-auto px-4 py-8">
+  <!-- Breadcrumb Navigation -->
+  <div class="mb-6 flex items-center text-sm">
+    <a href="{{ url_for('community') }}" class="opacity-75 hover:opacity-100 transition-opacity">
+      <i class="fas fa-home mr-1"></i> Forum
+    </a>
+    <span class="mx-2 opacity-50">/</span>
+    <a href="{{ url_for('forum_category', category_id=category.id) }}" class="opacity-75 hover:opacity-100 transition-opacity">
+      {{ category.title }}
+    </a>
+    <span class="mx-2 opacity-50">/</span>
+    <span class="font-medium truncate max-w-[300px]">{{ post.title }}</span>
+  </div>
+  
+  <!-- Beitrags-Header -->
+  <div class="mb-6">
+    <h1 class="text-2xl font-bold mb-2">{{ post.title }}</h1>
+    <div class="flex flex-wrap items-center gap-3 text-sm opacity-75">
+      <span><i class="fas fa-calendar-alt mr-1"></i> {{ post.created_at.strftime('%d.%m.%Y, %H:%M') }}</span>
+      <span><i class="fas fa-eye mr-1"></i> {{ post.view_count }} Aufrufe</span>
+      <span><i class="fas fa-reply mr-1"></i> {{ replies|length }} Antworten</span>
+      
+      {% if post.is_pinned or post.is_locked %}
+      <div class="flex gap-2 ml-2">
+        {% if post.is_pinned %}
+        <span class="px-2 py-0.5 text-xs rounded-full"
+              x-bind:class="darkMode ? 'bg-yellow-700/50 text-yellow-300' : 'bg-yellow-100 text-yellow-800'">
+          <i class="fas fa-thumbtack mr-1"></i> Angepinnt
+        </span>
+        {% endif %}
+        {% if post.is_locked %}
+        <span class="px-2 py-0.5 text-xs rounded-full"
+              x-bind:class="darkMode ? 'bg-red-700/50 text-red-300' : 'bg-red-100 text-red-800'">
+          <i class="fas fa-lock mr-1"></i> Gesperrt
+        </span>
+        {% endif %}
+      </div>
+      {% endif %}
+    </div>
+  </div>
+  
+  <!-- Hauptbeitrag -->
+  <div class="mb-8 rounded-xl overflow-hidden"
+       x-bind:class="darkMode ? 'bg-gray-800/60 border border-white/10' : 'bg-white border border-gray-200 shadow-sm'">
+    <!-- Beitrags-Header -->
+    <div class="p-4 border-b" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
+      <div class="flex items-center justify-between">
+        <div class="flex items-center">
+          <!-- Autor-Avatar -->
+          <div class="w-10 h-10 rounded-full flex items-center justify-center text-white font-medium text-sm overflow-hidden mr-3" 
+               style="background: linear-gradient(135deg, #8b5cf6, #6366f1);">
+            {% if post.author.avatar %}
+              <img src="{{ post.author.avatar }}" alt="{{ post.author.username }}" class="w-full h-full object-cover">
+            {% else %}
+              {{ post.author.username[0].upper() }}
+            {% endif %}
+          </div>
+          
+          <!-- Autor-Info -->
+          <div>
+            <div class="font-medium">{{ post.author.username }}</div>
+            <div class="text-xs opacity-70">Erstellt am {{ post.created_at.strftime('%d.%m.%Y, %H:%M') }}</div>
+          </div>
+        </div>
+        
+        <!-- Aktionen -->
+        <div class="flex items-center space-x-2">
+          {% if current_user.id == post.user_id or current_user.role == 'admin' %}
+            <a href="{{ url_for('edit_post', post_id=post.id) }}" 
+               class="p-2 rounded transition-colors"
+               x-bind:class="darkMode 
+               ? 'hover:bg-gray-700/50 text-gray-300' 
+               : 'hover:bg-gray-100 text-gray-600'">
+              <i class="fas fa-edit"></i>
+            </a>
+            <form action="{{ url_for('delete_post', post_id=post.id) }}" method="POST" class="inline" onsubmit="return confirm('Möchtest du diesen Beitrag wirklich löschen?');">
+              <button type="submit" 
+                     class="p-2 rounded transition-colors"
+                     x-bind:class="darkMode 
+                     ? 'hover:bg-red-800/50 text-red-300' 
+                     : 'hover:bg-red-100 text-red-600'">
+                <i class="fas fa-trash-alt"></i>
+              </button>
+            </form>
+          {% endif %}
+          
+          <!-- Moderation-Optionen -->
+          {% if current_user.role in ['admin', 'moderator'] %}
+            <div class="ml-2 border-l" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'"></div>
+            <form action="{{ url_for('toggle_pin_post', post_id=post.id) }}" method="POST" class="inline">
+              <button type="submit" 
+                    class="p-2 rounded transition-colors"
+                    x-bind:class="darkMode 
+                    ? 'hover:bg-yellow-800/50 text-yellow-300' 
+                    : 'hover:bg-yellow-100 text-yellow-600'"
+                    title="{% if post.is_pinned %}Nicht mehr anpinnen{% else %}Anpinnen{% endif %}">
+                <i class="fas fa-thumbtack"></i>
+              </button>
+            </form>
+            <form action="{{ url_for('toggle_lock_post', post_id=post.id) }}" method="POST" class="inline">
+              <button type="submit" 
+                    class="p-2 rounded transition-colors"
+                    x-bind:class="darkMode 
+                    ? 'hover:bg-blue-800/50 text-blue-300' 
+                    : 'hover:bg-blue-100 text-blue-600'"
+                    title="{% if post.is_locked %}Entsperren{% else %}Sperren{% endif %}">
+                <i class="fas {% if post.is_locked %}fa-unlock{% else %}fa-lock{% endif %}"></i>
+              </button>
+            </form>
+          {% endif %}
+        </div>
+      </div>
+    </div>
+    
+    <!-- Beitrags-Inhalt -->
+    <div class="p-6">
+      <div class="post-content markdown-content" id="main-post-content">
+        {{ post.content|safe }}
+      </div>
+      
+      {% if post.updated_at and post.updated_at != post.created_at %}
+        <div class="mt-6 pt-4 text-xs opacity-60 border-t" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
+          <i class="fas fa-edit mr-1"></i> Zuletzt bearbeitet: {{ post.updated_at.strftime('%d.%m.%Y, %H:%M') }}
+        </div>
+      {% endif %}
+    </div>
+  </div>
+  
+  <!-- Antworten-Bereich -->
+  <div class="mb-8">
+    <h2 class="text-xl font-semibold mb-4">
+      <i class="fas fa-reply mr-2 opacity-60"></i>
+      {{ replies|length }} Antworten
+    </h2>
+    
+    <!-- Antworten-Liste -->
+    {% if replies %}
+      {% for reply in replies %}
+        <div class="mb-5 rounded-xl overflow-hidden"
+            x-bind:class="darkMode ? 'bg-gray-800/40 border border-white/10' : 'bg-white border border-gray-200'">
+          <!-- Antwort-Header -->
+          <div class="p-3 border-b" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
+            <div class="flex items-center justify-between">
+              <div class="flex items-center">
+                <!-- Autor-Avatar -->
+                <div class="w-8 h-8 rounded-full flex items-center justify-center text-white font-medium text-xs overflow-hidden mr-3" 
+                    style="background: linear-gradient(135deg, #8b5cf6, #6366f1);">
+                  {% if reply.author.avatar %}
+                    <img src="{{ reply.author.avatar }}" alt="{{ reply.author.username }}" class="w-full h-full object-cover">
+                  {% else %}
+                    {{ reply.author.username[0].upper() }}
+                  {% endif %}
+                </div>
+                
+                <!-- Autor-Info -->
+                <div>
+                  <div class="font-medium text-sm">{{ reply.author.username }}</div>
+                  <div class="text-xs opacity-70">{{ reply.created_at.strftime('%d.%m.%Y, %H:%M') }}</div>
+                </div>
+              </div>
+              
+              <!-- Aktionen -->
+              <div class="flex items-center space-x-1">
+                {% if current_user.id == reply.user_id or current_user.role == 'admin' %}
+                  <a href="{{ url_for('edit_post', post_id=reply.id) }}" 
+                    class="p-1.5 rounded text-sm transition-colors"
+                    x-bind:class="darkMode 
+                    ? 'hover:bg-gray-700/50 text-gray-300' 
+                    : 'hover:bg-gray-100 text-gray-600'">
+                    <i class="fas fa-edit"></i>
+                  </a>
+                  <form action="{{ url_for('delete_post', post_id=reply.id) }}" method="POST" class="inline" onsubmit="return confirm('Möchtest du diese Antwort wirklich löschen?');">
+                    <button type="submit" 
+                          class="p-1.5 rounded text-sm transition-colors"
+                          x-bind:class="darkMode 
+                          ? 'hover:bg-red-800/50 text-red-300' 
+                          : 'hover:bg-red-100 text-red-600'">
+                      <i class="fas fa-trash-alt"></i>
+                    </button>
+                  </form>
+                {% endif %}
+              </div>
+            </div>
+          </div>
+          
+          <!-- Antwort-Inhalt -->
+          <div class="p-5">
+            <div class="post-content markdown-content reply-content" id="reply-content-{{ reply.id }}">
+              {{ reply.content|safe }}
+            </div>
+            
+            {% if reply.updated_at and reply.updated_at != reply.created_at %}
+              <div class="mt-4 pt-3 text-xs opacity-60 border-t" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
+                <i class="fas fa-edit mr-1"></i> Zuletzt bearbeitet: {{ reply.updated_at.strftime('%d.%m.%Y, %H:%M') }}
+              </div>
+            {% endif %}
+          </div>
+        </div>
+      {% endfor %}
+    {% else %}
+      <div class="rounded-xl p-6 text-center"
+           x-bind:class="darkMode ? 'bg-gray-800/40 border border-white/10' : 'bg-white border border-gray-200'">
+        <div class="text-3xl mb-3 opacity-30"><i class="fas fa-comments"></i></div>
+        <h3 class="text-lg font-semibold mb-2">Noch keine Antworten</h3>
+        <p class="opacity-75">Sei der Erste, der auf diesen Beitrag antwortet!</p>
+      </div>
+    {% endif %}
+  </div>
+  
+  <!-- Antwort-Formular -->
+  {% if not post.is_locked %}
+    <div class="mb-8 rounded-xl overflow-hidden"
+         x-bind:class="darkMode ? 'bg-gray-800/60 border border-white/10' : 'bg-white border border-gray-200'">
+      <div class="p-4 border-b font-medium" x-bind:class="darkMode ? 'border-white/10' : 'border-gray-200'">
+        <i class="fas fa-reply mr-2"></i>
+        Antworten
+      </div>
+      <div class="p-6">
+        <form action="{{ url_for('reply_to_post', post_id=post.id) }}" method="POST">
+          <div class="mb-4">
+            <label for="content" class="block mb-2 font-medium">Deine Antwort</label>
+            <div class="mb-2 rounded-lg overflow-hidden"
+                 x-bind:class="darkMode ? 'border border-white/20' : 'border border-gray-300'">
+              <textarea id="content" name="content" rows="6" 
+                       class="w-full p-3 resize-y"
+                       x-bind:class="darkMode 
+                       ? 'bg-gray-700/50 text-white placeholder-gray-400 focus:border-indigo-500' 
+                       : 'bg-white text-gray-700 placeholder-gray-400 focus:border-indigo-500'"
+                       placeholder="Schreibe deine Antwort hier (unterstützt Markdown und @Knotenname-Erwähnungen)..."
+                      required></textarea>
+            </div>
+            <div class="text-xs opacity-70">
+              <p>Du kannst Knotenpunkte der Mindmap durch <code>@Knotenname</code> verlinken.</p>
+              <p>Dieser Editor unterstützt Markdown-Formatierung:</p>
+              <div class="flex flex-wrap gap-2 mt-1">
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="**" data-before="" data-after="" title="Fett">
+                  <i class="fas fa-bold"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="*" data-before="" data-after="" title="Kursiv">
+                  <i class="fas fa-italic"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="`" data-before="" data-after="" title="Code">
+                  <i class="fas fa-code"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="[Link-Text](URL)" data-before="" data-after="" title="Link">
+                  <i class="fas fa-link"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="\n```\nCode-Block\n```" data-before="" data-after="" title="Code-Block">
+                  <i class="fas fa-file-code"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format=">" data-before="" data-after="" title="Zitat">
+                  <i class="fas fa-quote-right"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="- " data-before="" data-after="" title="Liste">
+                  <i class="fas fa-list-ul"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="1. " data-before="" data-after="" title="Nummerierte Liste">
+                  <i class="fas fa-list-ol"></i>
+                </button>
+                <button type="button" class="markdown-button px-2 py-1 rounded text-xs" data-format="# " data-before="" data-after="" title="Überschrift">
+                  <i class="fas fa-heading"></i>
+                </button>
+              </div>
+            </div>
+          </div>
+          <div>
+            <button type="submit" 
+                   class="px-5 py-2.5 rounded-lg transition-all duration-300 flex items-center"
+                   x-bind:class="darkMode 
+                   ? 'bg-indigo-700 hover:bg-indigo-600 text-white' 
+                   : 'bg-indigo-500 hover:bg-indigo-600 text-white'">
+              <i class="fas fa-paper-plane mr-2"></i>
+              Antwort senden
+            </button>
+          </div>
+        </form>
+      </div>
+    </div>
+  {% else %}
+    <div class="rounded-xl p-5 text-center mb-6"
+         x-bind:class="darkMode ? 'bg-red-900/20 border border-red-800/30' : 'bg-red-50 border border-red-100'">
+      <i class="fas fa-lock mr-2 text-red-500"></i>
+      <span>Dieser Beitrag ist geschlossen. Es können keine neuen Antworten mehr verfasst werden.</span>
+    </div>
+  {% endif %}
+</div>
+{% endblock %}
+
+{% block scripts %}
+<script>
+  document.addEventListener('DOMContentLoaded', function() {
+    // Markdown und Knotenerwähnungen verarbeiten
+    const processContent = (content) => {
+      // Verarbeite Markdown mit marked.js
+      let html = marked.parse(content);
+      
+      // Ersetze @Knotenname mit entsprechenden Links
+      html = html.replace(/@([a-zA-Z0-9äöüÄÖÜß_-]+)/g, '<span class="node-mention"><i class="fas fa-diagram-project fa-xs mr-1"></i>$1</span>');
+      
+      return html;
+    };
+    
+    // Markdown-Inhalt für Hauptbeitrag rendern
+    const mainPostContent = document.getElementById('main-post-content');
+    if (mainPostContent) {
+      mainPostContent.innerHTML = processContent(mainPostContent.textContent.trim());
+    }
+    
+    // Markdown-Inhalt für Antworten rendern
+    document.querySelectorAll('.reply-content').forEach(reply => {
+      reply.innerHTML = processContent(reply.textContent.trim());
+    });
+    
+    // Markdown-Buttons für das Antwortformular
+    document.querySelectorAll('.markdown-button').forEach(button => {
+      button.addEventListener('click', function() {
+        const textarea = document.getElementById('content');
+        const format = this.dataset.format;
+        const before = this.dataset.before || '';
+        const after = this.dataset.after || '';
+        
+        // Hole die aktuelle Auswahl
+        const start = textarea.selectionStart;
+        const end = textarea.selectionEnd;
+        const selection = textarea.value.substring(start, end);
+        
+        // Wende die Formatierung an
+        let formattedText;
+        if (format.includes('\n')) {
+          // Für Formate mit Zeilenumbrüchen (z.B. Code-Blöcke)
+          formattedText = format.replace('Code-Block', selection || 'Code-Block');
+        } else if (format.includes('[Link-Text](URL)')) {
+          formattedText = format.replace('Link-Text', selection || 'Link-Text');
+        } else if (format === '- ' || format === '1. ' || format === '# ' || format === '> ') {
+          // Für Listen und Überschriften: am Anfang der Zeile einfügen
+          const beforeSelection = textarea.value.substring(0, start);
+          const afterSelection = textarea.value.substring(end);
+          
+          // Finde den Anfang der aktuellen Zeile
+          const lastNewline = beforeSelection.lastIndexOf('\n');
+          const lineStart = lastNewline === -1 ? 0 : lastNewline + 1;
+          
+          // Füge das Format am Zeilenanfang ein
+          formattedText = beforeSelection.substring(0, lineStart) + 
+                         format + 
+                         beforeSelection.substring(lineStart) + 
+                         selection + 
+                         afterSelection;
+          
+          // Setze die neue Cursor-Position
+          const newCursorPos = end + format.length;
+          textarea.value = formattedText;
+          textarea.setSelectionRange(newCursorPos, newCursorPos);
+          return; // Früher zurückkehren, da wir die Formatierung bereits angewendet haben
+        } else {
+          // Für einfache Formatierungen wie fett, kursiv, Code
+          formattedText = before + format + selection + format + after;
+        }
+        
+        // Ersetze den Text
+        textarea.value = textarea.value.substring(0, start) + formattedText + textarea.value.substring(end);
+        
+        // Setze den Fokus zurück auf das Textarea
+        textarea.focus();
+        
+        // Setze die Auswahl neu, wenn es eine Auswahl gab
+        if (selection) {
+          const newStart = start + before.length + format.length;
+          const newEnd = newStart + selection.length;
+          textarea.setSelectionRange(newStart, newEnd);
+        } else {
+          // Setze den Cursor in die Mitte von **|** oder `|`
+          const newCursorPos = start + before.length + format.length;
+          textarea.setSelectionRange(newCursorPos, newCursorPos);
+        }
+      });
+    });
+  });
+</script>
+{% endblock %} 
\ No newline at end of file