diff --git a/static/css/base-styles.css b/static/css/base-styles.css
index 3a809f1..a318456 100644
--- a/static/css/base-styles.css
+++ b/static/css/base-styles.css
@@ -5,8 +5,8 @@
     --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
     --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
     
-    /* Light Theme - Verbesserte Farben */
-    --bg-primary-light: #f9fafb;
+    /* Light Theme */
+    --bg-primary-light: #f8fafc;
     --bg-secondary-light: #f1f5f9;
     --bg-tertiary-light: #e2e8f0;
     --text-primary-light: #1e293b;
@@ -14,9 +14,9 @@
     --accent-primary-light: #7c3aed;
     --accent-secondary-light: #8b5cf6;
     --accent-tertiary-light: #a78bfa;
-    --border-light: #e5e7eb;
-    --shadow-light: 0 4px 10px -1px rgba(0, 0, 0, 0.08), 0 2px 5px -1px rgba(0, 0, 0, 0.04);
-    --glow-light: 0 0 20px rgba(139, 92, 246, 0.3);
+    --border-light: #e2e8f0;
+    --shadow-light: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
+    --glow-light: 0 0 15px rgba(139, 92, 246, 0.3);
     
     /* Dark Theme */
     --bg-primary-dark: #0a0e19;
@@ -38,24 +38,18 @@
 
     /* Light mode optimierte Farben */
     --light-bg: #f9fafb;
-    --light-bg-gradient: linear-gradient(135deg, #f9fafb, #f3f4f6);
     --light-text: #1e293b;
     --light-heading: #0f172a;
     --light-primary: #7c3aed;
     --light-primary-hover: #6d28d9;
-    --light-primary-gradient: linear-gradient(135deg, #8b5cf6, #6d28d9);
     --light-secondary: #6b7280;
     --light-border: #e5e7eb;
     --light-card-bg: rgba(255, 255, 255, 0.92);
-    --light-card-glass: rgba(255, 255, 255, 0.85);
     --light-navbar-bg: rgba(255, 255, 255, 0.92);
     --light-input-bg: #ffffff;
     --light-input-border: #d1d5db;
     --light-input-focus: #3b82f6;
-    --light-shadow: 0 4px 10px -1px rgba(0, 0, 0, 0.08), 0 2px 5px -1px rgba(0, 0, 0, 0.04);
-    --light-shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 5px 10px -5px rgba(0, 0, 0, 0.04);
-    --light-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
-    --light-glow: 0 0 20px rgba(124, 58, 237, 0.2);
+    --light-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
 }
 
 /* Base Styles */
@@ -470,33 +464,22 @@ body:not(.dark) h6 {
     color: var(--light-heading);
 }
 
-body:not(.dark) h1 {
-    font-weight: 700;
-    letter-spacing: -0.025em;
-}
-
-body:not(.dark) h2 {
-    font-weight: 700;
-    letter-spacing: -0.015em;
-}
-
-/* Light Mode Links mit verbesserten Hover-Effekten */
+/* Light Mode Links */
 body:not(.dark) a {
     color: var(--light-primary);
-    transition: all 0.2s ease;
 }
 
 body:not(.dark) a:hover {
     color: var(--light-primary-hover);
 }
 
-/* Verbesserte Light Mode Buttons */
+/* Light Mode Buttons */
 body:not(.dark) .btn,
 body:not(.dark) button:not(.toggle) {
-    background: var(--light-primary-gradient);
+    background: linear-gradient(135deg, #6d28d9, #5b21b6);
     color: white;
     border: none;
-    box-shadow: 0 2px 6px rgba(91, 33, 182, 0.25);
+    box-shadow: 0 2px 4px rgba(91, 33, 182, 0.25);
     border-radius: 8px;
     padding: 0.625rem 1.25rem;
     transition: all 0.2s ease;
@@ -507,181 +490,208 @@ body:not(.dark) button:not(.toggle) {
 
 body:not(.dark) .btn:hover,
 body:not(.dark) button:not(.toggle):hover {
-    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
-    transform: translateY(-2px);
+    background: linear-gradient(135deg, #7c3aed, #6d28d9);
+    transform: translateY(-1px);
     box-shadow: 0 4px 12px rgba(109, 40, 217, 0.3);
 }
 
-/* Optimierter Glasmorphismus im Light Mode */
-body:not(.dark) .glass-effect {
-    background-color: rgba(255, 255, 255, 0.8);
-    backdrop-filter: blur(16px);
-    -webkit-backdrop-filter: blur(16px);
-    border: 1px solid rgba(255, 255, 255, 0.5);
-    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
+/* Dark/Light Mode Switch Button */
+.theme-toggle {
+    position: relative;
+    width: 48px;
+    height: 24px;
+    background: linear-gradient(to right, #7c3aed, #3b82f6);
+    border-radius: 24px;
+    padding: 2px;
+    cursor: pointer;
+    transition: all 0.3s ease;
+    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
 }
 
-/* Verbesserte Cards mit schönen Hover-Effekten im Light Mode */
-body:not(.dark) .card {
+.theme-toggle::after {
+    content: '';
+    position: absolute;
+    width: 20px;
+    height: 20px;
+    background: white;
+    border-radius: 50%;
+    top: 2px;
+    left: 2px;
+    transition: all 0.3s ease;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+.theme-toggle.dark::after {
+    transform: translateX(24px);
+}
+
+.theme-toggle:hover::after {
+    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
+}
+
+/* Light Mode Cards und Panels */
+body:not(.dark) .card,
+body:not(.dark) .panel {
     background-color: var(--light-card-bg);
-    border: 1px solid rgba(229, 231, 235, 0.7);
+    border: 1px solid var(--light-border);
+    border-radius: 0.5rem;
+    box-shadow: var(--light-shadow);
+}
+
+/* Light Mode Tabelle */
+body:not(.dark) table {
+    background-color: var(--light-card-bg);
+    border-collapse: collapse;
+}
+
+body:not(.dark) th {
+    background-color: var(--light-bg);
+    color: var(--light-heading);
+    border-bottom: 1px solid var(--light-border);
+}
+
+body:not(.dark) td {
+    border-bottom: 1px solid var(--light-border);
+}
+
+/* Light Mode Inputs */
+body:not(.dark) input,
+body:not(.dark) textarea,
+body:not(.dark) select {
+    background-color: var(--light-input-bg);
+    border: 1px solid var(--light-input-border);
+    color: var(--light-text);
+    border-radius: 0.375rem;
+    padding: 0.5rem;
+}
+
+body:not(.dark) input:focus,
+body:not(.dark) textarea:focus,
+body:not(.dark) select:focus {
+    border-color: var(--light-input-focus);
+    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
+    outline: none;
+}
+
+/* Navbar im Light Mode verbessern */
+body:not(.dark) nav,
+body:not(.dark) .navbar {
+    background-color: var(--light-navbar-bg);
+    box-shadow: var(--light-shadow);
+    border-bottom: 1px solid var(--light-border);
+}
+
+/* Erweiterte Light-Mode-spezifische Stile */
+body:not(.dark) .glass-effect {
+    background-color: rgba(255, 255, 255, 0.7);
+    backdrop-filter: blur(12px);
+    -webkit-backdrop-filter: blur(12px);
+    border: 1px solid rgba(209, 213, 219, 0.3);
+}
+
+body:not(.dark) .card {
+    background-color: rgba(255, 255, 255, 0.85);
+    border: 1px solid var(--light-border);
     box-shadow: var(--light-shadow);
     transition: all 0.3s ease;
-    border-radius: 12px;
 }
 
 body:not(.dark) .card:hover {
-    box-shadow: var(--light-shadow-lg);
-    transform: translateY(-3px);
-    border-color: rgba(124, 58, 237, 0.2);
+    box-shadow: 0 8px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
+    transform: translateY(-2px);
 }
 
-/* Glasmorphismus-Karten für besondere Elemente */
-body:not(.dark) .glass-card {
-    background-color: var(--light-card-glass);
-    backdrop-filter: blur(12px);
-    -webkit-backdrop-filter: blur(12px);
-    border: 1px solid rgba(255, 255, 255, 0.7);
-    box-shadow: var(--light-shadow);
-    transition: all 0.3s ease;
-    border-radius: 16px;
-}
-
-body:not(.dark) .glass-card:hover {
-    box-shadow: var(--light-shadow-lg);
-    transform: translateY(-3px);
-    border-color: rgba(124, 58, 237, 0.25);
-}
-
-/* Light Mode Primary Buttons mit besserem Kontrast */
+/* Light Mode Buttons mit verbesserter Lesbarkeit */
 body:not(.dark) .btn-primary {
-    background: var(--light-primary-gradient);
+    background: linear-gradient(135deg, #6d28d9, #5b21b6);
     color: white;
     border: none;
     transition: all 0.2s ease;
-    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
+    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
     font-weight: 600;
     letter-spacing: 0.02em;
-    box-shadow: 0 3px 6px rgba(91, 33, 182, 0.25);
-    border-radius: 10px;
+    box-shadow: 0 2px 4px rgba(91, 33, 182, 0.3);
+    border-radius: 8px;
 }
 
 body:not(.dark) .btn-primary:hover {
-    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
-    box-shadow: 0 6px 15px rgba(109, 40, 217, 0.35);
-    transform: translateY(-2px);
+    background: linear-gradient(135deg, #7c3aed, #6d28d9);
+    box-shadow: 0 4px 12px rgba(109, 40, 217, 0.4), 0 2px 4px rgba(0, 0, 0, 0.1);
+    transform: translateY(-1px);
 }
 
-/* Verbesserte sekundäre Buttons */
 body:not(.dark) .btn-secondary {
     background: linear-gradient(135deg, #ffffff, #f9fafb);
-    color: #374151;
-    border: 1px solid #e5e7eb;
+    color: #1f2937;
+    border: 2px solid #e5e7eb;
     font-weight: 600;
-    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
-    border-radius: 10px;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
+    border-radius: 8px;
 }
 
 body:not(.dark) .btn-secondary:hover {
-    background: linear-gradient(135deg, #f9fafb, #f1f5f9);
+    background: linear-gradient(135deg, #f9fafb, #f3f4f6);
     border-color: #d1d5db;
-    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
-    transform: translateY(-2px);
-    color: var(--light-primary);
+    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
+    transform: translateY(-1px);
 }
 
-/* Outline Buttons mit verbessertem Kontrast */
 body:not(.dark) .btn-outline {
     background-color: transparent;
     color: var(--light-primary);
     border: 1px solid var(--light-primary);
-    border-radius: 10px;
-    transition: all 0.2s ease;
 }
 
 body:not(.dark) .btn-outline:hover {
-    background-color: rgba(124, 58, 237, 0.08);
-    box-shadow: 0 2px 5px rgba(124, 58, 237, 0.15);
-    transform: translateY(-1px);
+    background-color: rgba(124, 58, 237, 0.05);
 }
 
-/* Verbesserte Formulare im Light Mode */
+/* Light Mode Formulare */
 body:not(.dark) input, 
 body:not(.dark) select, 
 body:not(.dark) textarea {
     background-color: white;
     border: 1px solid #d1d5db;
     color: #1f2937;
-    border-radius: 8px;
-    transition: all 0.2s ease;
-    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
 }
 
 body:not(.dark) input:focus, 
 body:not(.dark) select:focus, 
 body:not(.dark) textarea:focus {
     border-color: var(--light-primary);
-    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
-    outline: none;
+    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
 }
 
-/* Optimierte Navigation im Light Mode */
-body:not(.dark) nav,
-body:not(.dark) .navbar {
-    background-color: rgba(255, 255, 255, 0.85);
-    backdrop-filter: blur(15px);
-    -webkit-backdrop-filter: blur(15px);
-    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
-    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
-}
-
-/* Verbesserte Navlinks */
-body:not(.dark) .nav-link {
-    color: #4b5563;
-    font-weight: 500;
-    transition: all 0.2s ease;
-}
-
-body:not(.dark) .nav-link:hover {
-    color: var(--light-primary);
-    background-color: rgba(124, 58, 237, 0.08);
-    transform: translateY(-1px);
-}
-
-body:not(.dark) .nav-link.active {
-    color: var(--light-primary);
-    background-color: rgba(124, 58, 237, 0.12);
-    font-weight: 600;
-}
-
-/* Verbesserte Sidebar */
+/* Light Mode Navigation */
 body:not(.dark) .sidebar {
-    background-color: rgba(255, 255, 255, 0.9);
-    backdrop-filter: blur(10px);
-    -webkit-backdrop-filter: blur(10px);
-    border-right: 1px solid rgba(229, 231, 235, 0.6);
-    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.03);
+    background-color: white;
+    border-right: 1px solid #e5e7eb;
 }
 
-/* Verbesserte Tabellen im Light Mode */
+body:not(.dark) .sidebar-link {
+    color: #4b5563;
+}
+
+body:not(.dark) .sidebar-link:hover {
+    background-color: #f3f4f6;
+    color: var(--light-primary);
+}
+
+body:not(.dark) .sidebar-link.active {
+    background-color: rgba(124, 58, 237, 0.08);
+    color: var(--light-primary);
+    font-weight: 500;
+}
+
+/* Light Mode Tabellen */
 body:not(.dark) table {
     border-color: #e5e7eb;
-    border-radius: 8px;
-    overflow: hidden;
-    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
 }
 
 body:not(.dark) th {
     background-color: #f9fafb;
     color: #111827;
     font-weight: 600;
-    border-bottom: 1px solid #e5e7eb;
-    padding: 12px 16px;
-}
-
-body:not(.dark) td {
-    border-bottom: 1px solid #f1f5f9;
-    padding: 12px 16px;
 }
 
 body:not(.dark) tr:nth-child(even) {
@@ -689,160 +699,275 @@ body:not(.dark) tr:nth-child(even) {
 }
 
 body:not(.dark) tr:hover {
-    background-color: rgba(124, 58, 237, 0.05);
+    background-color: #f3f4f6;
 }
 
-/* Verbesserte Benachrichtigungen im Light Mode */
+/* Light Mode Icons */
+body:not(.dark) .icon {
+    color: #6b7280;
+}
+
+body:not(.dark) .icon-primary {
+    color: var(--light-primary);
+}
+
+/* Light Mode Alerts/Benachrichtigungen */
 body:not(.dark) .alert-info {
-    background-color: rgba(59, 130, 246, 0.08);
+    background-color: #eff6ff;
     border-left: 4px solid #3b82f6;
     color: #1e40af;
-    border-radius: 8px;
-    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
 }
 
 body:not(.dark) .alert-success {
-    background-color: rgba(16, 185, 129, 0.08);
+    background-color: #ecfdf5;
     border-left: 4px solid #10b981;
     color: #065f46;
-    border-radius: 8px;
-    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
 }
 
 body:not(.dark) .alert-warning {
-    background-color: rgba(245, 158, 11, 0.08);
+    background-color: #fffbeb;
     border-left: 4px solid #f59e0b;
     color: #92400e;
-    border-radius: 8px;
-    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
 }
 
 body:not(.dark) .alert-error {
-    background-color: rgba(239, 68, 68, 0.08);
+    background-color: #fef2f2;
     border-left: 4px solid #ef4444;
     color: #b91c1c;
-    border-radius: 8px;
-    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
 }
 
-/* Verbesserte Hintergrundeffekte für das Netzwerk im Light Mode */
-body:not(.dark) .network-background {
-    opacity: 0.3;
+/* Light Mode Badge */
+body:not(.dark) .badge {
+    background-color: #e5e7eb;
+    color: #374151;
 }
 
-body:not(.dark) .network-background .node {
-    fill: rgba(124, 58, 237, 0.5);
+body:not(.dark) .badge-primary {
+    background-color: rgba(124, 58, 237, 0.1);
+    color: var(--light-primary);
 }
 
-body:not(.dark) .network-background .link {
-    stroke: rgba(124, 58, 237, 0.2);
-}
-
-/* Verbesserte Mindmap-Darstellung im Light Mode */
+/* Light Mode Mindmap spezifisch */
 body:not(.dark) #cy {
-    background-color: rgba(255, 255, 255, 0.6);
-    border: 1px solid rgba(229, 231, 235, 0.7);
-    border-radius: 16px;
-    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
+    background-color: rgba(255, 255, 255, 0.7);
+    border: 1px solid #e5e7eb;
 }
 
 body:not(.dark) .node {
     border: 2px solid white;
-    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
-    transition: all 0.2s ease;
+    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
 }
 
 body:not(.dark) .node:hover,
 body:not(.dark) .node.selected {
-    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.3), 0 5px 10px rgba(0, 0, 0, 0.1);
-    transform: scale(1.05);
+    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.5), 0 4px 8px rgba(0, 0, 0, 0.1);
 }
 
 body:not(.dark) .edge {
-    opacity: 0.6;
-    transition: all 0.2s ease;
+    opacity: 0.7;
 }
 
 body:not(.dark) .edge:hover,
 body:not(.dark) .edge.selected {
     opacity: 1;
-    stroke-width: 2.5;
 }
 
-/* Verbesserte Benutzeroberfläche für Gedanken-Karten */
-body:not(.dark) .thought-item {
-    background: white !important;
-    border: 1px solid rgba(229, 231, 235, 0.7) !important;
-    border-radius: 12px;
-    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
-    transition: all 0.3s ease;
-}
-
-body:not(.dark) .thought-item:hover {
-    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
-    transform: translateY(-4px);
-    border: 1px solid rgba(124, 58, 237, 0.3) !important;
-}
-
-/* Optimierte Pagination */
-body:not(.dark) .pagination {
-    display: flex;
-    gap: 0.5rem;
-}
-
-body:not(.dark) .pagination-item {
-    border-radius: 8px;
-    padding: 0.5rem 0.75rem;
-    color: #4b5563;
-    border: 1px solid #e5e7eb;
-    transition: all 0.2s ease;
-}
-
-body:not(.dark) .pagination-item:hover {
-    background-color: rgba(124, 58, 237, 0.08);
-    color: var(--light-primary);
-    border-color: rgba(124, 58, 237, 0.2);
-}
-
-body:not(.dark) .pagination-item.active {
-    background-color: var(--light-primary);
-    color: white;
-    border-color: var(--light-primary);
-}
-
-/* Light Mode für KI-Chat-Komponente */
-body:not(.dark) .ai-assistant-container {
-    background-color: rgba(255, 255, 255, 0.9);
-    border: 1px solid rgba(229, 231, 235, 0.7);
-    border-radius: 16px;
-    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
-}
-
-body:not(.dark) .ai-assistant-header {
-    border-bottom: 1px solid rgba(229, 231, 235, 0.7);
-    background: linear-gradient(to right, rgba(124, 58, 237, 0.08), rgba(79, 70, 229, 0.08));
-}
-
-body:not(.dark) .ai-message {
-    background-color: rgba(124, 58, 237, 0.08);
-    border-radius: 12px 12px 12px 0;
-}
-
-body:not(.dark) .user-message {
-    background-color: rgba(79, 70, 229, 0.15);
-    color: #1e293b;
-    border-radius: 12px 12px 0 12px;
-}
-
-/* Light Mode für Footer */
+/* Footer im Light Mode */
 body:not(.dark) footer {
-    background-color: rgba(249, 250, 251, 0.8);
-    backdrop-filter: blur(15px);
-    -webkit-backdrop-filter: blur(15px);
-    border-top: 1px solid rgba(229, 231, 235, 0.5);
+    background-color: rgba(249, 250, 251, 0.7);
+    border-top: 1px solid #e5e7eb;
 }
 
-/* Print-Stile unverändert lassen */
+/* Alpine.js Transitions im Light Mode */
+body:not(.dark) [x-cloak] {
+    display: none !important;
+}
+
+/* Suchfeldstyling im Light Mode */
+body:not(.dark) .search-container input {
+    background-color: white;
+    border: 1px solid #d1d5db;
+    color: #1f2937;
+}
+
+body:not(.dark) .search-container input:focus {
+    border-color: var(--light-primary);
+    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
+}
+
+body:not(.dark) .search-results {
+    background-color: white;
+    border: 1px solid #e5e7eb;
+    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
+}
+
+body:not(.dark) .search-result-item:hover {
+    background-color: #f3f4f6;
+}
+
+/* Profile und Benutzermenü im Light Mode */
+body:not(.dark) .avatar {
+    border: 2px solid white;
+    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
+}
+
+body:not(.dark) .user-dropdown {
+    background-color: white;
+    border: 1px solid #e5e7eb;
+    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
+}
+
+body:not(.dark) .user-dropdown-item:hover {
+    background-color: #f3f4f6;
+}
+
+/* Medienabfragen für Responsivität */
+@media (max-width: 640px) {
+  /* Optimierungen für Smartphones */
+  body {
+    padding-left: 0;
+    padding-right: 0;
+  }
+  
+  .container {
+    padding-left: 1rem;
+    padding-right: 1rem;
+  }
+  
+  .hero-heading {
+    font-size: 2rem;
+  }
+  
+  .section-heading {
+    font-size: 1.75rem;
+  }
+  
+  .card, .panel, .glass-card {
+    padding: 1rem;
+    border-radius: 10px;
+  }
+  
+  .navbar {
+    padding: 0.75rem 1rem;
+  }
+  
+  /* Optimierte Touch-Ziele für mobile Geräte */
+  button, .btn, .nav-link, .menu-item {
+    min-height: 44px;
+    min-width: 44px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+  }
+  
+  /* Verbesserte Lesbarkeit auf kleinen Bildschirmen */
+  p, li, input, textarea, button, .text-sm {
+    font-size: 1rem;
+    line-height: 1.5;
+  }
+  
+  /* Anpassungen für Tabellen auf kleinen Bildschirmen */
+  table {
+    display: block;
+    overflow-x: auto;
+    white-space: nowrap;
+  }
+  
+  /* Optimierte Formulare */
+  input, select, textarea {
+    font-size: 16px; /* Verhindert iOS-Zoom bei Fokus */
+    width: 100%;
+  }
+  
+  /* Verbesserter Abstand für Touch-Targets */
+  nav a, nav button, .menu-item {
+    margin: 0.25rem 0;
+    padding: 0.75rem;
+  }
+}
+
+@media (min-width: 641px) and (max-width: 1024px) {
+  /* Optimierungen für Tablets */
+  .container {
+    padding-left: 1.5rem;
+    padding-right: 1.5rem;
+  }
+  
+  /* Zweispaltige Layouts für mittlere Bildschirme */
+  .grid-cols-1 {
+    display: grid;
+    grid-template-columns: repeat(2, 1fr);
+    gap: 1.5rem;
+  }
+  
+  /* Optimierte Navigationsleiste */
+  .navbar {
+    padding: 0.75rem 1.5rem;
+  }
+}
+
+@media (min-width: 1025px) {
+  /* Optimierungen für Desktop */
+  .container {
+    padding-left: 2rem;
+    padding-right: 2rem;
+    max-width: 1280px;
+    margin: 0 auto;
+  }
+  
+  /* Mehrspaltige Layouts für große Bildschirme */
+  .grid-cols-1 {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
+    gap: 2rem;
+  }
+  
+  /* Hover-Effekte nur auf Desktop-Geräten */
+  .card:hover, .panel:hover, .glass-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
+    transition: transform 0.3s ease, box-shadow 0.3s ease;
+  }
+  
+  /* Desktop-spezifische Animationen */
+  .animate-hover {
+    transition: all 0.3s ease;
+  }
+  
+  .animate-hover:hover {
+    transform: translateY(-3px);
+    box-shadow: var(--shadow-lg);
+  }
+}
+
+/* Responsive design improvements */
+.responsive-grid {
+  display: grid;
+  gap: 1rem;
+  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+}
+
+.responsive-flex {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 1rem;
+}
+
+.responsive-flex > * {
+  flex: 1 1 280px;
+}
+
+/* Accessibility improvements */
+.focus-visible:focus-visible {
+  outline: 2px solid var(--accent-primary-light);
+  outline-offset: 2px;
+}
+
+body.dark .focus-visible:focus-visible {
+  outline: 2px solid var(--accent-primary-dark);
+}
+
+/* Print styles */
 @media print {
   body {
     background: white !important;
diff --git a/static/css/neural-network-background.css b/static/css/neural-network-background.css
index 9e76e9f..f5c6b76 100644
--- a/static/css/neural-network-background.css
+++ b/static/css/neural-network-background.css
@@ -103,50 +103,4 @@ body.dark footer {
 body:not(.dark) footer {
   background-color: rgba(249, 250, 251, 0.92) !important;
   border-top: 1px solid rgba(220, 220, 220, 0.8) !important;
-}
-
-/* Neural Network Background für Dark & Light Mode */
-.neural-network-container {
-    position: fixed;
-    top: 0;
-    left: 0;
-    width: 100%;
-    height: 100%;
-    z-index: -1;
-    pointer-events: none;
-    overflow: hidden;
-    opacity: 0.8;
-    transition: opacity 0.5s ease;
-}
-
-.neural-network-bg {
-    width: 100%;
-    height: 100%;
-}
-
-/* Dark Mode Netzwerk-Hintergrund */
-.dark .neural-network-container {
-    opacity: 0.5;
-}
-
-.dark .neural-network-bg .node {
-    fill: rgba(139, 92, 246, 0.4);
-}
-
-.dark .neural-network-bg .link {
-    stroke: rgba(139, 92, 246, 0.15);
-}
-
-/* Light Mode Netzwerk-Hintergrund */
-body:not(.dark) .neural-network-container {
-    opacity: 0.25;
-}
-
-body:not(.dark) .neural-network-bg .node {
-    fill: rgba(124, 58, 237, 0.35);
-}
-
-body:not(.dark) .neural-network-bg .link {
-    stroke: rgba(124, 58, 237, 0.15);
-    stroke-width: 1.25;
 } 
\ No newline at end of file
diff --git a/static/js/theme-toggle.js b/static/js/theme-toggle.js
deleted file mode 100644
index 9c5a1e6..0000000
--- a/static/js/theme-toggle.js
+++ /dev/null
@@ -1,191 +0,0 @@
-/**
- * Systades Theme Toggle - Verbessertes Dark/Light Mode Switching
- * 
- * Dieses Skript verwaltet die Theme-Umschaltung zwischen Light und Dark Mode
- * mit sanften Übergängen und persistenter Speicherung der Benutzereinstellung.
- */
-
-document.addEventListener('DOMContentLoaded', () => {
-  // Initialisiere den Theme-Modus basierend auf gespeicherter Einstellung
-  initializeTheme();
-  
-  // Führe eine Animation beim Umschalten der Themes aus
-  setupThemeTransition();
-});
-
-/**
- * Initialisiere das Theme basierend auf der gespeicherten Benutzereinstellung.
- * Wenn keine Einstellung gefunden wird, verwende die Systemeinstellung.
- */
-function initializeTheme() {
-  // Prüfe zuerst die gespeicherte Benutzereinstellung
-  const storedTheme = localStorage.getItem('darkMode');
-  
-  if (storedTheme) {
-    // Verwende die gespeicherte Einstellung
-    const isDarkMode = storedTheme === 'dark';
-    applyTheme(isDarkMode);
-    updateAlpineJsState(isDarkMode);
-  } else {
-    // Wenn keine Einstellung gefunden wurde, prüfe die Systemeinstellung
-    const prefersDarkMode = window.matchMedia('(prefers-color-scheme: dark)').matches;
-    applyTheme(prefersDarkMode);
-    updateAlpineJsState(prefersDarkMode);
-    
-    // Speichere die initiale Einstellung
-    localStorage.setItem('darkMode', prefersDarkMode ? 'dark' : 'light');
-  }
-}
-
-/**
- * Wendet das ausgewählte Theme auf die Seite an
- * @param {boolean} isDarkMode - Ob der Dark Mode aktiviert werden soll
- */
-function applyTheme(isDarkMode) {
-  // Toggle der 'dark' Klasse auf dem HTML-Element
-  document.documentElement.classList.toggle('dark', isDarkMode);
-  
-  // Meta-Theme-Color für mobile Browser aktualisieren
-  const metaThemeColor = document.querySelector('meta[name="theme-color"]');
-  if (metaThemeColor) {
-    metaThemeColor.setAttribute(
-      'content', 
-      isDarkMode ? '#111827' : '#f9fafb'
-    );
-  }
-  
-  // Zusätzliche Stile für sanfte Übergänge
-  document.body.style.transition = 'background-color 0.5s ease, color 0.3s ease';
-}
-
-/**
- * Aktualisiert den Dark Mode Status in Alpine.js
- * @param {boolean} isDarkMode - Ob der Dark Mode aktiviert ist
- */
-function updateAlpineJsState(isDarkMode) {
-  // Wenn Alpine.js verfügbar ist, aktualisiere den State
-  if (window.Alpine) {
-    // Finde alle Alpine Components, die ein darkMode Property haben
-    document.querySelectorAll('[x-data]').forEach(el => {
-      const alpineComponent = Alpine.$data(el);
-      if (alpineComponent && 'darkMode' in alpineComponent) {
-        alpineComponent.darkMode = isDarkMode;
-      }
-    });
-  }
-}
-
-/**
- * Richte Event-Listener und Animationen für Themeübergänge ein
- */
-function setupThemeTransition() {
-  // Animationseffekt für Themenwechsel
-  const createRippleEffect = (isDarkMode) => {
-    // Entferne bestehende Ripple-Elemente
-    const existingRipples = document.querySelectorAll('.theme-transition-ripple');
-    existingRipples.forEach(ripple => ripple.remove());
-    
-    // Erstelle neues Ripple-Element
-    const ripple = document.createElement('div');
-    ripple.classList.add('theme-transition-ripple');
-    
-    // Positioniere das Ripple-Element in der oberen rechten Ecke (wo der Toggle-Button ist)
-    ripple.style.position = 'fixed';
-    ripple.style.top = '60px';
-    ripple.style.right = '80px';
-    ripple.style.width = '10px';
-    ripple.style.height = '10px';
-    ripple.style.borderRadius = '50%';
-    ripple.style.backgroundColor = isDarkMode ? '#111827' : '#f9fafb';
-    ripple.style.transform = 'scale(0)';
-    ripple.style.transition = 'transform 1.2s ease-out';
-    ripple.style.zIndex = '9999';
-    ripple.style.pointerEvents = 'none';
-    
-    // Füge das Ripple-Element zum Body hinzu
-    document.body.appendChild(ripple);
-    
-    // Trigger Animation
-    setTimeout(() => {
-      // Berechne die Größe, um den gesamten Bildschirm abzudecken
-      const maxDimension = Math.max(window.innerWidth, window.innerHeight) * 2.5;
-      ripple.style.transform = `scale(${maxDimension})`;
-      
-      // Entferne das Element nach Abschluss der Animation
-      setTimeout(() => {
-        ripple.remove();
-      }, 1000);
-    }, 50);
-  };
-  
-  // Event-Listener für den Theme-Toggle-Button
-  const themeToggleButtons = document.querySelectorAll('[data-toggle-theme]');
-  themeToggleButtons.forEach(button => {
-    button.addEventListener('click', () => {
-      const isDarkMode = document.documentElement.classList.contains('dark');
-      const newMode = !isDarkMode;
-      
-      // Erstelle den Ripple-Effekt
-      createRippleEffect(newMode);
-      
-      // Wende das neue Theme an
-      applyTheme(newMode);
-      
-      // Aktualisiere Alpine.js State
-      updateAlpineJsState(newMode);
-      
-      // Speichere die Einstellung
-      localStorage.setItem('darkMode', newMode ? 'dark' : 'light');
-    });
-  });
-  
-  // Füge CSS für den Ripple-Effekt hinzu
-  const style = document.createElement('style');
-  style.textContent = `
-    .theme-transition-ripple {
-      position: fixed;
-      border-radius: 50%;
-      z-index: 9999;
-      pointer-events: none;
-      transition: transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
-    }
-  `;
-  document.head.appendChild(style);
-}
-
-/**
- * Öffentliche API für das Theme-Management
- */
-window.ThemeManager = {
-  /**
-   * Schaltet zwischen Light und Dark Mode um
-   */
-  toggleDarkMode() {
-    const isDarkMode = document.documentElement.classList.contains('dark');
-    const newMode = !isDarkMode;
-    
-    // Wende das neue Theme an
-    applyTheme(newMode);
-    
-    // Aktualisiere Alpine.js State
-    updateAlpineJsState(newMode);
-    
-    // Speichere die Einstellung
-    localStorage.setItem('darkMode', newMode ? 'dark' : 'light');
-  },
-  
-  /**
-   * Setzt das Theme auf einen bestimmten Modus
-   * @param {boolean} isDarkMode - Ob der Dark Mode aktiviert werden soll
-   */
-  setDarkMode(isDarkMode) {
-    // Wende das gewünschte Theme an
-    applyTheme(isDarkMode);
-    
-    // Aktualisiere Alpine.js State
-    updateAlpineJsState(isDarkMode);
-    
-    // Speichere die Einstellung
-    localStorage.setItem('darkMode', isDarkMode ? 'dark' : 'light');
-  }
-}; 
\ No newline at end of file
diff --git a/static/neural-network-background.js b/static/neural-network-background.js
index e89531b..01e7b09 100644
--- a/static/neural-network-background.js
+++ b/static/neural-network-background.js
@@ -51,11 +51,11 @@ class NeuralNetworkBackground {
         flowColor: '#b47fea'
       },
       light: {
-        background: '#f9fafb',
-        nodeColor: '#8b5cf6',
-        nodePulse: '#7c3aed',
-        connectionColor: '#c4b5fd',
-        flowColor: '#6d28d9'
+        background: '#f8f9fc',
+        nodeColor: '#8c6db5',
+        nodePulse: '#b094dd',
+        connectionColor: '#9882bd',
+        flowColor: '#7d5bb5'
       }
     };
 
@@ -272,7 +272,7 @@ class NeuralNetworkBackground {
         connection.flowProgress = 0;
         connection.flowStart = now;
         connection.flowDuration = this.config.flowDuration[0] + 
-                                Math.random() * (this.config.flowDuration[1] - this.config.flowDuration[0]);
+                                 Math.random() * (this.config.flowDuration[1] - this.config.flowDuration[0]);
         
         this.activeConnections.add(connection.id);
       }
@@ -361,9 +361,9 @@ class NeuralNetworkBackground {
       // Wenn pulsierend, füge einen Glow-Effekt hinzu
       if (isPulsing) {
         this.ctx.globalAlpha = 0.5 * (1 - pulseProgress);
-      this.ctx.beginPath();
+        this.ctx.beginPath();
         this.ctx.arc(node.x, node.y, node.size + 5 * pulseProgress, 0, Math.PI * 2);
-      this.ctx.fill();
+        this.ctx.fill();
       }
     }
     
diff --git a/templates/base.html b/templates/base.html
index 84e1d9e..353c47c 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -136,7 +136,7 @@
           --accent-primary:#7c3aed;
           --accent-secondary:#8b5cf6;
           --glow-effect:0 0 8px rgba(139,92,246,.08);
-          background-image: linear-gradient(135deg, rgba(248, 250, 252, 0.9), rgba(241, 245, 249, 0.9));
+          background-image: linear-gradient(to bottom right, rgba(248, 250, 252, 0.8), rgba(241, 245, 249, 0.8));
           background-attachment: fixed;
         }
         /* Dark‑Mode */
@@ -161,115 +161,42 @@
           background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));
           -webkit-background-clip:text; background-clip:text; color:transparent; text-shadow:none;
         }
-        .glass-morphism { 
-          backdrop-filter: blur(12px);
-          -webkit-backdrop-filter: blur(12px);
-          transition: all 0.3s ease;
-        }
-        .glass-navbar { 
-          @apply glass-morphism border backdrop-blur-xl;
-        }
-        body:not(.dark) .glass-navbar { 
-          background-color:rgba(255,255,255,.85); 
-          border-color:rgba(0,0,0,.05);
-          box-shadow: 0 2px 10px rgba(0,0,0,.05);
-        }
-        .dark .glass-navbar { 
-          background-color:rgba(10,14,25,.8); 
-          border-color:rgba(255,255,255,.05);
-        }
+        .glass-morphism { backdrop-filter: blur(10px); }
+        .glass-navbar { @apply glass-morphism border backdrop-blur-xl; }
+        .light .glass-navbar { background-color:rgba(255,255,255,.8); border-color:rgba(0,0,0,.05); }
+        .dark .glass-navbar { background-color:rgba(10,14,25,.8); border-color:rgba(255,255,255,.05); }
 
         /* Light-Mode spezifische Stile */
         body:not(.dark) {
           background-color: var(--bg-primary);
           color: var(--text-primary);
-          background-image: linear-gradient(135deg, rgba(249, 250, 251, 0.92), rgba(243, 244, 246, 0.92));
         }
         
-        body:not(.dark) .nav-link {
+        .nav-link-light {
           color: var(--text-secondary);
           transition: all 0.3s ease;
-          border-radius: 0.5rem;
-          font-weight: 500;
-          padding: 0.5rem 0.75rem;
         }
         
-        body:not(.dark) .nav-link:hover {
+        .nav-link-light:hover {
           color: var(--text-primary);
-          background-color: rgba(124, 58, 237, 0.08);
-          transform: translateY(-1px);
-          box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
+          background-color: rgba(126, 34, 206, 0.1);
         }
         
-        body:not(.dark) .nav-link-active,
-        body:not(.dark) .nav-link-light-active {
+        .nav-link-light-active {
           color: var(--accent-primary);
-          background-color: rgba(124, 58, 237, 0.12);
-          font-weight: 600;
+          background-color: rgba(126, 34, 206, 0.15);
+          font-weight: 500;
         }
         
         /* Kartendesign im Light-Mode */
         body:not(.dark) .card {
-          background-color: rgba(255, 255, 255, 0.9);
-          border: 1px solid rgba(229, 231, 235, 0.6);
-          box-shadow: 0 4px 15px -1px rgba(0, 0, 0, 0.05), 0 2px 8px -1px rgba(0, 0, 0, 0.03);
-          border-radius: 12px;
-          transition: all 0.3s ease;
+          background-color: white;
+          border: 1px solid #e5e7eb;
+          box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
         }
         
         body:not(.dark) .card:hover {
-          box-shadow: 0 10px 20px -3px rgba(0, 0, 0, 0.08), 0 4px 10px -2px rgba(0, 0, 0, 0.05);
-          transform: translateY(-3px);
-          border-color: rgba(124, 58, 237, 0.2);
-        }
-
-        body:not(.dark) .glass-card {
-          background-color: rgba(255, 255, 255, 0.85);
-          backdrop-filter: blur(12px);
-          -webkit-backdrop-filter: blur(12px);
-          border: 1px solid rgba(255, 255, 255, 0.7);
-          box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
-          border-radius: 16px;
-          transition: all 0.3s ease;
-        }
-
-        body:not(.dark) .glass-card:hover {
-          box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
-          transform: translateY(-3px);
-          border-color: rgba(124, 58, 237, 0.25);
-        }
-
-        /* Verbesserte Buttons im Light Mode */
-        body:not(.dark) .btn {
-          background: linear-gradient(135deg, #8b5cf6, #6d28d9);
-          color: white;
-          border: none;
-          box-shadow: 0 3px 6px rgba(91, 33, 182, 0.25);
-          border-radius: 10px;
-          padding: 0.625rem 1.25rem;
-          font-weight: 600;
-          transition: all 0.2s ease;
-          text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
-        }
-        
-        body:not(.dark) .btn:hover {
-          background: linear-gradient(135deg, #9f7afa, #7c3aed);
-          transform: translateY(-2px);
-          box-shadow: 0 6px 15px rgba(109, 40, 217, 0.3);
-        }
-
-        /* Light Mode Netzwerk-Hintergrund */
-        body:not(.dark) .network-background {
-          opacity: 0.3;
-        }
-
-        body:not(.dark) .network-background .node {
-          fill: rgba(124, 58, 237, 0.5);
-        }
-
-        body:not(.dark) .network-background .link {
-          stroke: rgba(124, 58, 237, 0.2);
-          stroke-width: 1.5;
+          box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
         }
       </style>
 </head>
@@ -397,53 +324,12 @@
                 <!-- Rechte Seite -->
                 <div class="flex items-center space-x-4">
                     <!-- Dark/Light Mode Schalter -->
-                    <button 
-                        @click="darkMode = !darkMode; document.documentElement.classList.toggle('dark', darkMode); localStorage.setItem('darkMode', darkMode ? 'dark' : 'light');"
-                        class="p-2 ml-3 rounded-full flex items-center justify-center transition-all duration-300 group focus:outline-none focus:ring-2 focus:ring-indigo-400/50"
-                        :class="darkMode ? 'bg-gray-800 hover:bg-gray-700' : 'bg-white/90 hover:bg-white shadow-md'"
-                        aria-label="Themen-Modus wechseln"
-                        data-toggle-theme>
-                        
-                        <!-- Verbesserte Icon-Container für Light/Dark Mode Toggle -->
-                        <div class="relative w-10 h-6 flex items-center justify-center transition-all duration-500">
-                            <!-- Sonne (Light Mode) -->
-                            <svg 
-                              xmlns="http://www.w3.org/2000/svg" 
-                              class="h-5 w-5 absolute transform transition-all duration-500" 
-                              :class="darkMode ? 'opacity-0 rotate-90 scale-0' : 'opacity-100 rotate-0 scale-100'"
-                              fill="none" 
-                              viewBox="0 0 24 24" 
-                              stroke="currentColor"
-                              stroke-width="2"
-                              :style="darkMode ? '' : 'color: #6d28d9;'">
-                                <path 
-                                    stroke-linecap="round" 
-                                    stroke-linejoin="round" 
-                                    d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z" />
-                            </svg>
-                            
-                            <!-- Mond (Dark Mode) -->
-                            <svg 
-                              xmlns="http://www.w3.org/2000/svg" 
-                              class="h-5 w-5 absolute transform transition-all duration-500" 
-                              :class="darkMode ? 'opacity-100 rotate-0 scale-100' : 'opacity-0 -rotate-90 scale-0'"
-                              fill="none" 
-                              viewBox="0 0 24 24" 
-                              stroke="currentColor"
-                              stroke-width="2"
-                              style="color: #c4b5fd;">
-                                <path 
-                                    stroke-linecap="round" 
-                                    stroke-linejoin="round" 
-                                    d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z" />
-                            </svg>
-                            
-                            <!-- Hintergrund-Glow-Effekt -->
-                            <div 
-                                class="absolute inset-0 rounded-full transition-all duration-300"
-                                :class="darkMode ? 'shadow-none' : 'shadow-[0_0_10px_rgba(124,58,237,0.3)]'">
-                            </div>
-                        </div>
+                    <button
+                        @click="toggleDarkMode()"
+                        class="theme-toggle"
+                        :class="{ 'dark': darkMode }"
+                        aria-label="Dark Mode umschalten"
+                    >
                     </button>
                     <!-- Profil-Link oder Login -->
                     {% if current_user.is_authenticated %}
@@ -814,8 +700,5 @@
         });
       });
     </script>
-
-    <!-- Scripts -->
-    <script src="{{ url_for('static', filename='js/theme-toggle.js') }}"></script>
 </body>
 </html> 
\ No newline at end of file