{
  "name": "pH Control Pro",
  "short_name": "pH Control",
  "description": "ระบบควบคุม pH น้ำอัตโนมัติ",
  "start_url": "./",
  "scope": "./",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#020617",
  "theme_color": "#020617",
  "icons": [
    {
      "src": "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Crect width='512' height='512' rx='96' fill='%230f172a'/%3E%3Ccircle cx='256' cy='256' r='150' fill='none' stroke='%2310b981' stroke-width='36'/%3E%3Ctext x='256' y='300' font-family='system-ui,sans-serif' font-size='150' font-weight='700' fill='%23f8fafc' text-anchor='middle'%3EpH%3C/text%3E%3C/svg%3E",
      "sizes": "any",
      "type": "image/svg+xml",
      "purpose": "any"
    }
  ]
}