{
  "name": "ISBN Scanner",
  "short_name": "ISBN Scanner",
  "description": "Scan book barcodes and save to Google Sheets",
  "start_url": "./",
  "display": "standalone",
  "orientation": "portrait",
  "theme_color": "#2D6A4F",
  "background_color": "#FAF8F5",
  "icons": [
    { "src": "icon-192.png",          "sizes": "192x192", "type": "image/png" },
    { "src": "icon-512.png",          "sizes": "512x512", "type": "image/png" },
    { "src": "icon-maskable-192.png", "sizes": "192x192", "type": "image/png", "purpose": "maskable" },
    { "src": "icon-maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable" }
  ]
}