{
  "name": "Intonation Lab",
  "short_name": "Intonation Lab",
  "description": "Real-time ear training for singers — just intonation intervals and chords",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#f4f5f7",
  "theme_color": "#4a9fa1",
  "icons": [
    {
      "src": "/images/logo-mark-192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "/images/logo-mark-512.png",
      "sizes": "512x512",
      "type": "image/png"
    },
    {
      "src": "/images/logo-mark.png",
      "sizes": "1024x1024",
      "type": "image/png"
    }
  ]
}