{
  "name": "Interactive Periodic Table",
  "short_name": "Periodic Table",
  "description": "An interactive periodic table of all 118 elements — search, filter by category, and view atomic mass, electron configuration, melting/boiling points, density and discovery year.",
  "id": "/ptable/",
  "start_url": "/ptable/",
  "scope": "/ptable/",
  "display": "standalone",
  "orientation": "portrait-primary",
  "background_color": "#0a0c10",
  "theme_color": "#0a0c10",
  "lang": "en",
  "categories": [
    "education",
    "reference",
    "utilities"
  ],
  "icons": [
    {
      "src": "assets/icon-192.png",
      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "assets/icon-512.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any"
    },
    {
      "src": "assets/icon-maskable.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "maskable"
    }
  ]
}