make themes more distict

classes/kriminalfälle.json

@@ -3,29 +3,12 @@
   "name": "Kriminalfälle",
   "icon": "🔍",
   "description": "Löse echte Kriminalfälle aus Deutschland mit Mathematik",
-  "theme": {
-    "--theme-bg": "#1a252f",
-    "--theme-bg-mid": "#2c3e50",
-    "--theme-bg-light": "#34495e",
-    "--theme-bg-hover": "#3d566e",
-    "--theme-text": "#ecf0f1",
-    "--theme-muted": "#7f8c8d",
-    "--theme-muted-light": "#bdc3c7",
-    "--theme-accent": "#3498db",
-    "--theme-accent-hover": "#2980b9",
-    "--theme-content-bg": "#f4f1ec",
-    "--theme-card-bg": "#ffffff",
-    "--theme-card-radius": "0px",
-    "--theme-ui-radius": "0px",
-    "--theme-card-shadow": "0 1px 3px rgba(0,0,0,0.12)",
-    "--theme-font": "Georgia, 'Times New Roman', serif",
-    "--theme-text-transform": "uppercase",
-    "--theme-letter-spacing": "1px",
-    "--theme-h1-letter-spacing": "2px",
-    "--theme-sidebar-item-margin": "0",
-    "--theme-sidebar-active-bg": "#1a252f",
-    "--theme-sidebar-active-border": "4px solid #3498db",
-    "--theme-sidebar-active-color": "#ecf0f1"
+  "theme": "noir",
+  "colors": {
+    "bg": "#21262d",
+    "accent": "#4393e4",
+    "text": "#e6edf3",
+    "muted": "#848d97"
   },
   "lessons": ["steglitz", "bode-museum", "dresden-gruenes-gewoelbe"]
 }