{
  "name": "ChessTools",
  "short_name": "ChessTools",
  "description": "Chess viewer, analysis, training and clock",
  "start_url": "/",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#1a1a2e",
  "theme_color": "#1a1a2e",
  "icons": [
    { "src": "/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any" },
    { "src": "/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" },
    { "src": "/favicon.svg", "sizes": "any", "type": "image/svg+xml" }
  ],
  "file_handlers": [
    {
      "action": "/",
      "accept": {
        "application/x-chess-pgn": [".pgn"],
        "text/plain": [".fen", ".pgn"]
      },
      "icons": [{ "src": "/icon-192.png", "sizes": "192x192", "type": "image/png" }],
      "launch_type": "single-client"
    }
  ]
}