{
  "name": "Lottery Analysis App",
  "short_name": "Lottery",
  "description": "Private Lottery Analysis Tool",
  "start_url": "/login.html",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#2196F3",
  "orientation": "portrait-primary",
  "icons": [
    {
      "src": "icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any maskable"
    },
    {
      "src": "icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any maskable"
    }
  ],
  "categories": ["utilities", "finance"],
  "prefer_related_applications": false,
  "scope": "/",
  "lang": "vi-VN",
  "dir": "ltr"
}