{
  "name": "Mountains, Rivers & Landmarks",
  "short_name": "MRL",
  "description": "Physical-geography drill across all continents — major mountains, rivers and landmarks with maps, quizzes, flashcards and a daily challenge.",
  "start_url": "index.html",
  "scope": "./",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#0a0e1a",
  "theme_color": "#4F46E5",
  "lang": "en",
  "icons": [
    {
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      "sizes": "192x192", "type": "image/svg+xml", "purpose": "any"
    },
    {
      "src": "data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'><defs><linearGradient id='g' x1='0' y1='0' x2='1' y2='1'><stop offset='0' stop-color='%234F46E5'/><stop offset='1' stop-color='%2306B6D4'/></linearGradient></defs><rect width='512' height='512' rx='84' fill='url(#g)'/><path d='M70 400 L190 200 L270 340 L360 150 L440 400 Z' fill='white' opacity='.95'/><path d='M170 230 L200 195 L230 230 Z' fill='%234F46E5'/><circle cx='400' cy='130' r='28' fill='white'/></svg>",
      "sizes": "512x512", "type": "image/svg+xml", "purpose": "any maskable"
    }
  ]
}