{
  "name": "Rollercoin Calculator",
  "short_name": "RC Calc",
  "description": "Free Rollercoin earnings calculator for daily, weekly, and monthly crypto mining rewards.",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#0f172a",
  "theme_color": "#6c5ce7",
  "icons": [
    {
      "src": "/icon.png",
      "sizes": "192x192 512x512",
      "type": "image/png",
      "purpose": "any maskable"
    }
  ]
}