{
  "name": "VaultCalc – Invisible Secure Vault & Calculator",
  "short_name": "VaultCalc",
  "description": "Invisible secure vault disguised as a functional scientific calculator with local offline encrypted storage.",
  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "display_override": ["standalone", "window-controls-overlay", "minimal-ui"],
  "orientation": "any",
  "background_color": "#0B0F19",
  "theme_color": "#0B0F19",
  "categories": ["utilities", "productivity", "security"],
  "icons": [
    {
      "src": "/icon.svg",
      "sizes": "192x192 512x512 any",
      "type": "image/svg+xml",
      "purpose": "any"
    },
    {
      "src": "/icon.svg",
      "sizes": "192x192 512x512 any",
      "type": "image/svg+xml",
      "purpose": "maskable"
    },
    {
      "src": "/favicon.svg",
      "sizes": "64x64 32x32 24x24 16x16",
      "type": "image/svg+xml",
      "purpose": "any"
    }
  ],
  "shortcuts": [
    {
      "name": "Open Calculator",
      "short_name": "Calculator",
      "description": "Launch stealth calculator interface",
      "url": "/",
      "icons": [{ "src": "/icon.svg", "sizes": "192x192" }]
    }
  ]
}