{
  "name": "Gas Dilution Calculator",
  "short_name": "Gas Dilution",
  "description": "HPM Systems — field tool for gas dilution volumes and fill times",
  "start_url": "./index.html",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#ffffff",
  "theme_color": "#ffffff",
  "icons": [
    { "src": "images/icon-192.png",  "sizes": "192x192",   "type": "image/png", "purpose": "any maskable" },
    { "src": "images/icon-512.png",  "sizes": "512x512",   "type": "image/png", "purpose": "any maskable" },
    { "src": "images/icon-1024.png", "sizes": "1024x1024", "type": "image/png", "purpose": "any" }
  ],
  "categories": ["utilities", "productivity"],
  "lang": "en-US"
}