{
  "name": "Compound Interest & Time Value of Money",
  "short_name": "Compound Interest",
  "description": "Interactive compound-interest and time-value-of-money explorer — calculator, growth charts, Rule of 72, quizzes, flashcards, daily challenge, and teacher mode.",
  "start_url": "./index.html",
  "scope": "./",
  "display": "standalone",
  "orientation": "any",
  "background_color": "#0a0e1a",
  "theme_color": "#4F46E5",
  "lang": "en",
  "icons": [
    {
      "src": "data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 192 192'><defs><linearGradient id='g' x1='0' y1='0' x2='1' y2='1'><stop offset='0' stop-color='%234F46E5'/><stop offset='1' stop-color='%2306B6D4'/></linearGradient></defs><rect width='192' height='192' rx='32' fill='url(%23g)'/><path d='M30 150 C70 150 80 70 162 40' stroke='white' stroke-width='10' fill='none' stroke-linecap='round'/><circle cx='162' cy='40' r='10' fill='white'/><circle cx='98' cy='100' r='6' fill='white'/><circle cx='62' cy='135' r='5' fill='white'/></svg>",
      "sizes": "192x192",
      "type": "image/svg+xml",
      "purpose": "any"
    },
    {
      "src": "data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'><defs><linearGradient id='g' x1='0' y1='0' x2='1' y2='1'><stop offset='0' stop-color='%234F46E5'/><stop offset='1' stop-color='%2306B6D4'/></linearGradient></defs><rect width='512' height='512' rx='80' fill='url(%23g)'/><path d='M80 400 C190 400 215 190 432 110' stroke='white' stroke-width='28' fill='none' stroke-linecap='round'/><circle cx='432' cy='110' r='28' fill='white'/><circle cx='260' cy='270' r='17' fill='white'/><circle cx='165' cy='360' r='14' fill='white'/></svg>",
      "sizes": "512x512",
      "type": "image/svg+xml",
      "purpose": "any maskable"
    }
  ]
}
