{
  "name": "O₂ Duration Calculator - Flight For Life",
  "short_name": "O₂ Calc",
  "description": "Flight medical oxygen endurance calculator for liquid LOX and pressurized gas tanks with offline support and push alerts.",
  "start_url": "/",
  "id": "/",
  "display": "standalone",
  "orientation": "portrait-primary",
  "background_color": "#0b3d2e",
  "theme_color": "#0b3d2e",
  "categories": ["medical", "utilities", "productivity"],
  "icons": [
    {
      "src": "/icon-192.svg",
      "sizes": "192x192",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    },
    {
      "src": "/icon-512.svg",
      "sizes": "512x512",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    }
  ],
  "shortcuts": [
    {
      "name": "Flow Calculator",
      "url": "/#flow",
      "description": "Calculate O₂ duration for NRB or Mask"
    },
    {
      "name": "Vent Calculator",
      "url": "/#vent",
      "description": "Calculate O₂ duration for Ventilator transport"
    }
  ]
}