{
  "name": "Sudoku · Fill the Grid",
  "short_name": "Sudoku",
  "description": "Classic 9x9 Sudoku. Fill the grid so every row, column, and 3x3 box holds the digits 1-9 exactly once. Four difficulties, pencil marks, hints, and offline play.",
  "start_url": "/sudoku/",
  "scope": "/sudoku/",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#1a1f3a",
  "theme_color": "#1a1f3a",
  "categories": ["games", "puzzle", "logic", "entertainment"],
  "icons": [
    { "src": "icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any" }
  ]
}