diff --git a/static/css/base-styles.css b/static/css/base-styles.css
index a318456..3cda484 100644
--- a/static/css/base-styles.css
+++ b/static/css/base-styles.css
@@ -1014,4 +1014,33 @@ body.dark .focus-visible:focus-visible {
   @page {
     margin: 2cm;
   }
+}
+
+/* Light Mode KI-Chatfenster */
+body:not(.dark) .chat-container {
+  background-color: rgba(255, 255, 255, 0.95);
+  border: 1px solid rgba(0, 0, 0, 0.1);
+  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
+  color: #1e293b;
+}
+
+body:not(.dark) .chat-message-ai {
+  background-color: rgba(124, 58, 237, 0.1);
+  border: 1px solid rgba(124, 58, 237, 0.2);
+}
+
+body:not(.dark) .chat-message-user {
+  background-color: rgba(59, 130, 246, 0.1);
+  border: 1px solid rgba(59, 130, 246, 0.2);
+}
+
+/* Anpassung der Chatfenster-Größe */
+.chat-assistant {
+  max-height: 85vh; /* Vergrößert von 80vh */
+  bottom: 1rem; /* Etwas höher positionieren */
+}
+
+.chat-assistant .chat-messages {
+  max-height: calc(85vh - 180px); /* Angepasst für größeres Fenster */
+  overflow-y: auto;
 } 
\ No newline at end of file
diff --git a/templates/base.html b/templates/base.html
index 55af8db..0335dc4 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -207,7 +207,7 @@
         body:not(.dark) .btn,
         body:not(.dark) button:not(.toggle) {
             background: linear-gradient(135deg, #6d28d9, #5b21b6);
-            color: white;
+            color: white !important;
             border: none;
             box-shadow: 0 2px 4px rgba(91, 33, 182, 0.25);
             border-radius: 8px;
@@ -223,6 +223,20 @@
             background: linear-gradient(135deg, #7c3aed, #6d28d9);
             transform: translateY(-1px);
             box-shadow: 0 4px 12px rgba(109, 40, 217, 0.3);
+            color: white !important;
+        }
+        
+        /* KI-Chat Button im Light-Mode */
+        body:not(.dark) [onclick*="MindMap.assistant.toggleAssistant"] {
+            background: linear-gradient(135deg, #7c3aed, #3b82f6);
+            color: white !important;
+            font-weight: 500;
+            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
+        }
+        
+        body:not(.dark) [onclick*="MindMap.assistant.toggleAssistant"]:hover {
+            background: linear-gradient(135deg, #8b5cf6, #4f46e5);
+            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
         }
       </style>
 </head>
@@ -351,11 +365,13 @@
                 <div class="flex items-center space-x-4">
                     <!-- Dark/Light Mode Schalter -->
                     <button
-                        @click="toggleDarkMode()"
-                        class="theme-toggle"
-                        :class="{ 'dark': darkMode }"
+                        @click="darkMode = !darkMode; toggleDarkMode()"
+                        class="theme-toggle relative w-12 h-6 rounded-full bg-gradient-to-r transition-all duration-300 flex items-center"
+                        :class="darkMode ? 'from-purple-700 to-indigo-800' : 'from-purple-400 to-indigo-500'"
                         aria-label="Dark Mode umschalten"
                     >
+                        <span class="absolute w-5 h-5 rounded-full bg-white shadow-md transition-transform duration-300"
+                              :class="darkMode ? 'translate-x-7' : 'translate-x-1'"></span>
                     </button>
                     <!-- Profil-Link oder Login -->
                     {% if current_user.is_authenticated %}
diff --git a/templates/user_mindmap.html b/templates/user_mindmap.html
new file mode 100644
index 0000000..02293d4
--- /dev/null
+++ b/templates/user_mindmap.html
@@ -0,0 +1,391 @@
+{% extends "base.html" %}
+
+{% block title %}{{ mindmap.name }} - Mindmap{% endblock %}
+
+{% block extra_css %}
+<style>
+  /* Container für die Mindmap mit verbesserten Glaseffekten */
+  #cy {
+    width: 100%;
+    height: calc(100vh - 14rem);
+    background-color: rgba(15, 23, 42, 0.3);
+    border-radius: 1rem;
+    overflow: hidden;
+  }
+  
+  body:not(.dark) #cy {
+    background-color: rgba(255, 255, 255, 0.3);
+  }
+  
+  /* Info-Panel */
+  .node-info-panel {
+    position: absolute;
+    top: 1rem;
+    right: 1rem;
+    width: 300px;
+    max-height: calc(100vh - 16rem);
+    overflow-y: auto;
+    border-radius: 1rem;
+    opacity: 0;
+    transform: translateX(20px);
+    pointer-events: none;
+    transition: all 0.3s ease;
+  }
+  
+  .node-info-panel.visible {
+    opacity: 1;
+    transform: translateX(0);
+    pointer-events: all;
+  }
+  
+  body.dark .node-info-panel {
+    background-color: rgba(15, 23, 42, 0.8);
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    backdrop-filter: blur(10px);
+  }
+  
+  body:not(.dark) .node-info-panel {
+    background-color: rgba(255, 255, 255, 0.85);
+    border: 1px solid rgba(0, 0, 0, 0.1);
+    backdrop-filter: blur(10px);
+    color: #1e293b;
+  }
+  
+  /* Toolbar */
+  .mindmap-toolbar {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 0.75rem;
+    border-radius: 0.75rem;
+    margin-bottom: 1rem;
+    flex-wrap: wrap;
+    gap: 0.5rem;
+  }
+  
+  body.dark .mindmap-toolbar {
+    background-color: rgba(15, 23, 42, 0.6);
+    border: 1px solid rgba(255, 255, 255, 0.1);
+  }
+  
+  body:not(.dark) .mindmap-toolbar {
+    background-color: rgba(255, 255, 255, 0.8);
+    border: 1px solid rgba(0, 0, 0, 0.1);
+  }
+  
+  .mindmap-action-btn {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    padding: 0.5rem 1rem;
+    border-radius: 0.5rem;
+    font-weight: 500;
+    transition: all 0.3s ease;
+    cursor: pointer;
+  }
+  
+  body.dark .mindmap-action-btn {
+    background-color: rgba(30, 41, 59, 0.7);
+    color: rgba(255, 255, 255, 0.9);
+    border: 1px solid rgba(255, 255, 255, 0.1);
+  }
+  
+  body:not(.dark) .mindmap-action-btn {
+    background-color: rgba(255, 255, 255, 0.8);
+    color: #1e293b;
+    border: 1px solid rgba(0, 0, 0, 0.1);
+  }
+  
+  body.dark .mindmap-action-btn:hover {
+    background-color: rgba(51, 65, 85, 0.8);
+    transform: translateY(-2px);
+  }
+  
+  body:not(.dark) .mindmap-action-btn:hover {
+    background-color: rgba(243, 244, 246, 0.9);
+    transform: translateY(-2px);
+  }
+  
+  /* Node-Link Styles */
+  .node-link {
+    display: inline-block;
+    padding: 0.35rem 0.75rem;
+    margin: 0.25rem;
+    border-radius: 1rem;
+    font-size: 0.8rem;
+    cursor: pointer;
+    transition: all 0.3s ease;
+    white-space: nowrap;
+    color: white;
+    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
+  }
+  
+  .node-link:hover {
+    transform: translateY(-2px);
+    filter: brightness(1.1);
+    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
+  }
+  
+  /* Notes */
+  .note-container {
+    position: absolute;
+    width: 250px;
+    cursor: move;
+    opacity: 0;
+    transform: scale(0.95);
+    transition: all 0.3s ease;
+    z-index: 10;
+  }
+  
+  .note-container.visible {
+    opacity: 1;
+    transform: scale(1);
+  }
+  
+  /* Note-Werkzeuge */
+  .note-tools {
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+    padding: 0.5rem;
+  }
+  
+  .note-tool {
+    width: 24px;
+    height: 24px;
+    border-radius: 50%;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    cursor: pointer;
+    transition: all 0.2s ease;
+    font-size: 0.7rem;
+    opacity: 0.7;
+  }
+  
+  .note-tool:hover {
+    opacity: 1;
+    transform: translateY(-1px);
+  }
+  
+  /* Color Palette */
+  .color-palette {
+    display: flex;
+    gap: 0.25rem;
+    flex-wrap: wrap;
+    padding: 0.25rem;
+  }
+  
+  .color-swatch {
+    width: 1rem;
+    height: 1rem;
+    border-radius: 50%;
+    cursor: pointer;
+    transition: all 0.2s ease;
+  }
+  
+  .color-swatch:hover {
+    transform: scale(1.2);
+  }
+  
+  /* Notizen-Editor */
+  .note-content {
+    min-height: 100px;
+    padding: 0.75rem;
+    outline: none;
+    width: 100%;
+    font-size: 0.9rem;
+    resize: both;
+    overflow: auto;
+  }
+  
+  /* Kontext-Menü */
+  #context-menu {
+    min-width: 180px;
+    border-radius: 0.5rem;
+    overflow: hidden;
+    z-index: 1000;
+  }
+  
+  body.dark #context-menu {
+    background-color: rgba(15, 23, 42, 0.95);
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
+  }
+  
+  body:not(.dark) #context-menu {
+    background-color: rgba(255, 255, 255, 0.95);
+    border: 1px solid rgba(0, 0, 0, 0.1);
+    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
+    color: #1e293b;
+  }
+  
+  .menu-item {
+    padding: 0.75rem 1rem;
+    cursor: pointer;
+    transition: all 0.2s ease;
+    display: flex;
+    align-items: center;
+    gap: 0.5rem;
+  }
+  
+  body.dark .menu-item:hover {
+    background-color: rgba(255, 255, 255, 0.1);
+  }
+  
+  body:not(.dark) .menu-item:hover {
+    background-color: rgba(0, 0, 0, 0.05);
+  }
+  
+  /* Dialogfenster */
+  .dialog-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background-color: rgba(0, 0, 0, 0.5);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 100;
+  }
+  
+  .dialog-content {
+    width: 90%;
+    max-width: 500px;
+    border-radius: 1rem;
+    padding: 1.5rem;
+    max-height: 80vh;
+    overflow-y: auto;
+  }
+  
+  body.dark .dialog-content {
+    background-color: rgba(15, 23, 42, 0.95);
+    border: 1px solid rgba(255, 255, 255, 0.1);
+  }
+  
+  body:not(.dark) .dialog-content {
+    background-color: rgba(255, 255, 255, 0.95);
+    border: 1px solid rgba(0, 0, 0, 0.1);
+    color: #1e293b;
+  }
+</style>
+{% endblock %}
+
+{% block content %}
+<div class="container mx-auto max-w-7xl px-4 py-6">
+  <!-- Header -->
+  <div class="flex flex-col md:flex-row justify-between items-start md:items-center mb-6 gap-4">
+    <div>
+      <h1 class="text-3xl font-bold gradient-text">{{ mindmap.name }}</h1>
+      <p class="opacity-80 mt-1">{{ mindmap.description }}</p>
+    </div>
+    
+    <div class="flex gap-3 flex-wrap">
+      {% if mindmap.user_id == current_user.id %}
+      <a href="{{ url_for('edit_mindmap', mindmap_id=mindmap.id) }}" class="mindmap-action-btn">
+        <i class="fas fa-edit"></i>
+        <span>Bearbeiten</span>
+      </a>
+      {% endif %}
+      
+      <a href="{{ url_for('profile') }}" class="mindmap-action-btn">
+        <i class="fas fa-arrow-left"></i>
+        <span>Zurück</span>
+      </a>
+    </div>
+  </div>
+  
+  <!-- Toolbar -->
+  <div class="mindmap-toolbar mb-4">
+    <button id="fit-btn" class="mindmap-action-btn">
+      <i class="fas fa-expand"></i>
+      <span>Alles anzeigen</span>
+    </button>
+    <button id="reset-btn" class="mindmap-action-btn">
+      <i class="fas fa-redo"></i>
+      <span>Layout zurücksetzen</span>
+    </button>
+    <button id="toggle-labels-btn" class="mindmap-action-btn">
+      <i class="fas fa-tags"></i>
+      <span>Labels ein/aus</span>
+    </button>
+    <button id="add-note-btn" class="mindmap-action-btn">
+      <i class="fas fa-sticky-note"></i>
+      <span>Notiz hinzufügen</span>
+    </button>
+    <button id="save-layout-btn" class="mindmap-action-btn">
+      <i class="fas fa-save"></i>
+      <span>Layout speichern</span>
+    </button>
+  </div>
+  
+  <!-- Mindmap Container mit Positionsindikator -->
+  <div class="relative rounded-xl overflow-hidden border transition-all duration-300"
+       x-bind:class="darkMode ? 'border-gray-700/50' : 'border-gray-300/50'">
+    <div id="cy"></div>
+    
+    <!-- Informationsanzeige für ausgewählten Knoten -->
+    <div id="node-info-panel" class="node-info-panel p-4">
+      <h3 class="text-xl font-bold gradient-text mb-2">Knotendetails</h3>
+      <p id="node-description" class="mb-4 opacity-80"></p>
+      
+      <h4 class="font-semibold mb-2 opacity-90">Verbundene Knoten</h4>
+      <div id="connected-nodes" class="flex flex-wrap mb-4"></div>
+      
+      <div class="flex flex-wrap gap-2 mt-4">
+        <button id="add-thought-btn" class="mindmap-action-btn">
+          <i class="fas fa-lightbulb"></i>
+          <span>Gedanke hinzufügen</span>
+        </button>
+        <button id="view-thoughts-btn" class="mindmap-action-btn">
+          <i class="fas fa-list"></i>
+          <span>Gedanken anzeigen</span>
+        </button>
+      </div>
+    </div>
+  </div>
+</div>
+{% endblock %}
+
+{% block extra_js %}
+<script src="{{ url_for('static', filename='js/cytoscape.min.js') }}"></script>
+<script src="{{ url_for('static', filename='js/mindmap-init.js') }}"></script>
+<script nonce="{{ csp_nonce }}">
+  document.addEventListener('DOMContentLoaded', function() {
+    // Benutzer-Mindmap-ID für die API-Anfragen
+    const mindmapId = {{ mindmap.id }};
+    
+    // Erstellt eine neue MindMap-Instanz für die Benutzer-Mindmap
+    window.userMindmap = new MindMap('#cy', {
+      editable: true,
+      isUserLoggedIn: true,
+      isPublicMap: false,
+      userMindmapId: mindmapId,
+      fitViewOnInit: true,
+      callbacks: {
+        onLoad: function() {
+          console.log('Benutzerdefinierte Mindmap wurde geladen');
+        }
+      }
+    });
+    
+    // Event-Listener für Notiz-Button
+    document.getElementById('add-note-btn').addEventListener('click', function() {
+      // Erstellt eine neue Notiz in der Mitte des Viewports
+      const position = window.userMindmap.cy.pan();
+      
+      window.userMindmap.showAddNoteDialog({
+        x: position.x,
+        y: position.y
+      });
+    });
+    
+    // Event-Listener für Layout-Speichern-Button
+    document.getElementById('save-layout-btn').addEventListener('click', function() {
+      window.userMindmap.saveLayout();
+    });
+  });
+</script>
+{% endblock %} 
\ No newline at end of file