{
  "id": "grundrechenarten",
  "name": "Grundrechenarten",
  "icon": "➕",
  "description": "Lerne die Grundlagen der Mathematik",
  "theme": {
    "--theme-bg": "#1a2f1a",
    "--theme-bg-mid": "#2a4a2a",
    "--theme-bg-light": "#3a6a3a",
    "--theme-bg-hover": "#4a7a4a",
    "--theme-text": "#e8f5e8",
    "--theme-muted": "#7fa87f",
    "--theme-muted-light": "#aed4ae",
    "--theme-accent": "#4caf50",
    "--theme-accent-hover": "#388e3c"
  },
  "lessons": ["adding"]
}