diff --git a/__pycache__/app.cpython-313.pyc b/__pycache__/app.cpython-313.pyc
index 39c4220..be634cf 100644
Binary files a/__pycache__/app.cpython-313.pyc and b/__pycache__/app.cpython-313.pyc differ
diff --git a/app.py b/app.py
index f4c2aa6..5fa799f 100644
--- a/app.py
+++ b/app.py
@@ -487,32 +487,94 @@ def settings():
     if request.method == 'POST':
         action = request.form.get('action')
         
+        # Bestimme, ob es eine AJAX-Anfrage ist
+        is_ajax = request.headers.get('X-Requested-With') == 'XMLHttpRequest' or request.content_type and 'multipart/form-data' in request.content_type
+        
         if action == 'update_profile':
-            current_user.bio = request.form.get('bio')
-            
-            # Update avatar if provided
-            avatar_url = request.form.get('avatar_url')
-            if avatar_url:
-                current_user.avatar = avatar_url
+            try:
+                current_user.bio = request.form.get('bio', '')
+                current_user.location = request.form.get('location', '')
+                current_user.website = request.form.get('website', '')
                 
-            db.session.commit()
-            flash('Profil erfolgreich aktualisiert!', 'success')
+                # Update avatar if provided
+                avatar_url = request.form.get('avatar_url')
+                if avatar_url:
+                    current_user.avatar = avatar_url
+                    
+                db.session.commit()
+                
+                if is_ajax:
+                    return jsonify({
+                        'success': True,
+                        'message': 'Profil erfolgreich aktualisiert!'
+                    })
+                else:
+                    flash('Profil erfolgreich aktualisiert!', 'success')
+            except Exception as e:
+                db.session.rollback()
+                app.logger.error(f"Fehler beim Aktualisieren des Profils: {str(e)}")
+                
+                if is_ajax:
+                    return jsonify({
+                        'success': False,
+                        'message': 'Fehler beim Aktualisieren des Profils'
+                    }), 500
+                else:
+                    flash('Fehler beim Aktualisieren des Profils', 'error')
             
         elif action == 'update_password':
-            current_password = request.form.get('current_password')
-            new_password = request.form.get('new_password')
-            confirm_password = request.form.get('confirm_password')
-            
-            if not current_user.check_password(current_password):
-                flash('Aktuelles Passwort ist nicht korrekt', 'error')
-            elif new_password != confirm_password:
-                flash('Neue Passwörter stimmen nicht überein', 'error')
-            else:
-                current_user.set_password(new_password)
-                db.session.commit()
-                flash('Passwort erfolgreich aktualisiert!', 'success')
+            try:
+                current_password = request.form.get('current_password')
+                new_password = request.form.get('new_password')
+                confirm_password = request.form.get('confirm_password')
+                
+                if not current_user.check_password(current_password):
+                    if is_ajax:
+                        return jsonify({
+                            'success': False,
+                            'message': 'Aktuelles Passwort ist nicht korrekt'
+                        }), 400
+                    else:
+                        flash('Aktuelles Passwort ist nicht korrekt', 'error')
+                elif new_password != confirm_password:
+                    if is_ajax:
+                        return jsonify({
+                            'success': False,
+                            'message': 'Neue Passwörter stimmen nicht überein'
+                        }), 400
+                    else:
+                        flash('Neue Passwörter stimmen nicht überein', 'error')
+                else:
+                    current_user.set_password(new_password)
+                    db.session.commit()
+                    
+                    if is_ajax:
+                        return jsonify({
+                            'success': True,
+                            'message': 'Passwort erfolgreich aktualisiert!'
+                        })
+                    else:
+                        flash('Passwort erfolgreich aktualisiert!', 'success')
+            except Exception as e:
+                db.session.rollback()
+                app.logger.error(f"Fehler beim Aktualisieren des Passworts: {str(e)}")
+                
+                if is_ajax:
+                    return jsonify({
+                        'success': False,
+                        'message': 'Fehler beim Aktualisieren des Passworts'
+                    }), 500
+                else:
+                    flash('Fehler beim Aktualisieren des Passworts', 'error')
         
-        return redirect(url_for('settings'))
+        if not is_ajax:
+            return redirect(url_for('settings'))
+        else:
+            # Standardantwort für AJAX, falls keine spezifische Antwort zurückgegeben wurde
+            return jsonify({
+                'success': True,
+                'message': 'Einstellungen aktualisiert'
+            })
         
     return render_template('settings.html')
 
diff --git a/init_db.py b/init_db.py
index 59bebab..9538b1e 100644
--- a/init_db.py
+++ b/init_db.py
@@ -12,7 +12,7 @@ from datetime import datetime
 
 # Erstelle eine temporäre Flask-App, um die Datenbank zu initialisieren
 app = Flask(__name__)
-app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///systades.db'
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database/systades.db'
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 db.init_app(app)
 
diff --git a/instance/systades.db b/instance/systades.db
deleted file mode 100644
index 6af1e40..0000000
Binary files a/instance/systades.db and /dev/null differ
diff --git a/static/css/assistant.css b/static/css/assistant.css
index 0d5f490..4a72a27 100644
--- a/static/css/assistant.css
+++ b/static/css/assistant.css
@@ -2,6 +2,8 @@
 #chatgpt-assistant {
     font-family: 'Inter', sans-serif;
     bottom: 5.5rem;
+    z-index: 100;
+    max-height: 85vh;
 }
 
 #assistant-chat {
@@ -11,7 +13,15 @@
     border-radius: 0.75rem;
     overflow: hidden;
     max-width: calc(100vw - 2rem);
-    max-height: 75vh !important;
+    max-height: 80vh !important;
+}
+
+#assistant-history {
+    max-height: calc(80vh - 150px);
+    overflow-y: auto;
+    scrollbar-width: thin;
+    scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
+    padding-bottom: 2rem; /* Zusätzlicher Abstand unten */
 }
 
 #assistant-toggle {
@@ -24,11 +34,6 @@
     transform: scale(1.1) rotate(10deg);
 }
 
-#assistant-history {
-    scrollbar-width: thin;
-    scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
-}
-
 #assistant-history::-webkit-scrollbar {
     width: 6px;
 }
diff --git a/static/css/base-styles.css b/static/css/base-styles.css
index 3cda484..06653f8 100644
--- a/static/css/base-styles.css
+++ b/static/css/base-styles.css
@@ -474,18 +474,19 @@ body:not(.dark) a:hover {
 }
 
 /* Light Mode Buttons */
+body:not(.dark) button:not(.toggle):not(.plain-btn) {
+    color: white !important;
+    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
+}
+
 body:not(.dark) .btn,
-body:not(.dark) button:not(.toggle) {
-    background: linear-gradient(135deg, #6d28d9, #5b21b6);
-    color: white;
-    border: none;
-    box-shadow: 0 2px 4px rgba(91, 33, 182, 0.25);
-    border-radius: 8px;
-    padding: 0.625rem 1.25rem;
-    transition: all 0.2s ease;
-    font-weight: 600;
-    letter-spacing: 0.02em;
-    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
+body:not(.dark) .btn-primary,
+body:not(.dark) .btn-secondary,
+body:not(.dark) .btn-success,
+body:not(.dark) .btn-danger,
+body:not(.dark) .btn-warning,
+body:not(.dark) .btn-info {
+    color: white !important;
 }
 
 body:not(.dark) .btn:hover,
@@ -1043,4 +1044,25 @@ body:not(.dark) .chat-message-user {
 .chat-assistant .chat-messages {
   max-height: calc(85vh - 180px); /* Angepasst für größeres Fenster */
   overflow-y: auto;
+  padding-bottom: 2rem; /* Zusätzlicher Abstand um Abschneiden zu vermeiden */
+}
+
+/* Verbesserungen für das Mobilmenü */
+@media (max-width: 768px) {
+  .mobile-menu-container {
+    max-height: 85vh;
+    overflow-y: auto;
+  }
+  
+  #chatgpt-assistant {
+    bottom: 4.5rem !important;
+  }
+  
+  .chat-assistant {
+    max-height: 70vh !important;
+  }
+  
+  .chat-assistant .chat-messages {
+    max-height: calc(70vh - 160px) !important;
+  }
 } 
\ No newline at end of file