{
    "name": "ND Filter Calculator",
    "short_name": "ND Filter",
    "description": "Calculate OD to transmission, stack multiple ND filters, and compute laser power attenuation instantly.",
    "start_url": "./index.html",
    "display": "standalone",
    "background_color": "#f8f7ff",
    "theme_color": "#7c3aed",
    "icons": [
        {
            "src": "icon-512x512.png",
            "sizes": "512x512",
            "type": "image/png"
        }
    ]
}