{
  "name": "Ball Spline Selection Calculator",
  "short_name": "Spline Calc",
  "description": "Ball spline sizing: radial + torque combined rated life, static safety and model pick — offline.",
  "start_url": "index.html",
  "display": "standalone",
  "background_color": "#f5f6f8",
  "theme_color": "#2563eb",
  "icons": [
    { "src": "icon.svg", "sizes": "any", "type": "image/svg+xml", "purpose": "any" }
  ],
  "shortcuts": [
    { "name": "Calculator", "url": "calc.html" },
    { "name": "Duty Spectrum Life", "url": "life.html" },
    { "name": "Stiffness", "url": "stiffness.html" },
    { "name": "Catalog", "url": "catalog.html" }
  ]
}