{
  "name": "Math Graph Paper",
  "short_name": "Math Helper",
  "description": "Interactive math graph paper for primary school students",
  "start_url": "./",
  "scope": "./",
  "display": "standalone",
  "orientation": "portrait",
  "theme_color": "#9333EA",
  "background_color": "#EFF6FF",
  "icons": [
    {
      "src": "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 192 192'%3E%3Crect width='192' height='192' fill='%239333EA'/%3E%3Ctext x='96' y='130' font-size='100' text-anchor='middle' fill='white' font-family='Arial, sans-serif' font-weight='bold'%3E123%3C/text%3E%3C/svg%3E",
      "sizes": "192x192",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    },
    {
      "src": "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Crect width='512' height='512' fill='%239333EA'/%3E%3Ctext x='256' y='350' font-size='280' text-anchor='middle' fill='white' font-family='Arial, sans-serif' font-weight='bold'%3E123%3C/text%3E%3C/svg%3E",
      "sizes": "512x512",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    }
  ]
}