{
  "name": "400m Training Calculator",
  "short_name": "400m Calc",
  "description": "Chris Wineberg's data-driven 400m Training Inventory Calculator — set precise training targets for every energy system.",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#0d0d0d",
  "theme_color": "#C41230",
  "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": ["sports", "fitness", "education"],
  "screenshots": [
    {
      "src": "screenshot.png",
      "sizes": "1280x720",
      "type": "image/png"
    }
  ]
}