{
  "name": "Calculator — Free Precision Estimators",
  "short_name": "Calculator",
  "description": "Free construction, financial, fitness, math, and home-improvement calculators with real-time accuracy.",
  "start_url": "/?source=pwa",
  "scope": "/",
  "display": "standalone",
  "orientation": "portrait-primary",
  "background_color": "#FAFAF8",
  "theme_color": "#0A0A0A",
  "categories": ["productivity", "utilities", "construction", "finance"],
  "lang": "en-US",
  "dir": "ltr",
  "prefer_related_applications": false,
  "icons": [
    {
      "src": "/icons/icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icons/icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "/icons/icon-maskable-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "maskable"
    },
    {
      "src": "/icons/icon-maskable-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ],
  "shortcuts": [
    {
      "name": "Concrete Calculator",
      "short_name": "Concrete",
      "description": "Calculate concrete volume, bags, and cost",
      "url": "/calculators/concrete-slab",
      "icons": [{ "src": "/icons/icon-192.png", "sizes": "192x192" }]
    },
    {
      "name": "Rebar Calculator",
      "short_name": "Rebar",
      "description": "Calculate rebar quantity and weight",
      "url": "/calculators/rebar",
      "icons": [{ "src": "/icons/icon-192.png", "sizes": "192x192" }]
    },
    {
      "name": "Currency Converter",
      "short_name": "Currency",
      "description": "Real-time world currency exchange rates",
      "url": "/currency-converter",
      "icons": [{ "src": "/icons/icon-192.png", "sizes": "192x192" }]
    },
    {
      "name": "Mortgage Calculator",
      "short_name": "Mortgage",
      "description": "Monthly mortgage payment and amortization",
      "url": "/mortgage-calculator",
      "icons": [{ "src": "/icons/icon-192.png", "sizes": "192x192" }]
    }
  ]
}