{
  "name": "Professional Plumbing Calculators",
  "short_name": "Plumbing Calc",
  "description": "Free professional plumbing calculation tools for contractors and engineers",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#001F3F",
  "theme_color": "#001F3F",
  "orientation": "portrait-primary",
  "categories": ["productivity", "utilities", "business"],
  "icons": [
    {
      "src": "/logo.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any maskable"
    },
    {
      "src": "/logo.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    }
  ],
  "shortcuts": [
    {
      "name": "Water Flow Rate",
      "short_name": "Flow Rate",
      "description": "Calculate water flow rates",
      "url": "/water-flow-rate",
      "icons": [
        {
          "src": "/logo.png",
          "sizes": "32x32"
        }
      ]
    },
    {
      "name": "Pipe Sizing",
      "short_name": "Pipe Size",
      "description": "Calculate pipe sizes",
      "url": "/pipe-sizing",
      "icons": [
        {
          "src": "/logo.png",
          "sizes": "32x32"
        }
      ]
    },
    {
      "name": "BTU Calculator",
      "short_name": "BTU Calc",
      "description": "Heating load calculations",
      "url": "/btu-heating-load",
      "icons": [
        {
          "src": "/logo.png",
          "sizes": "32x32"
        }
      ]
    }
  ]
}