{
  "name": "SparkRef — Electrician's Field Calculator",
  "short_name": "SparkRef",
  "description": "Field calculator for electricians: ampacity, conduit fill, jam ratio, box fill, voltage drop, Ohm's law, HP/power, cable-lube estimator, and a fractions-and-Benfield field calc. All offline, no ads, no tracking.",
  "start_url": "./index.html",
  "display": "standalone",
  "background_color": "#0f0f1a",
  "theme_color": "#1a1a2e",
  "orientation": "portrait-primary",
  "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"
    }
  ],
  "categories": ["utilities", "productivity"],
  "shortcuts": [
    {
      "name": "Wire Ampacity",
      "url": "./index.html#ampacity",
      "description": "Wire ampacity calculator"
    },
    {
      "name": "Voltage Drop",
      "url": "./index.html#vdrop",
      "description": "Single and three phase voltage drop"
    },
    {
      "name": "Conduit Fill",
      "url": "./index.html#conduit",
      "description": "Conduit fill calculator"
    }
  ]
}