:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.app{max-width:800px;margin:0 auto;padding:2rem;text-align:center;font-family:Inter,system-ui,-apple-system,sans-serif}h1{font-size:2.5rem;margin-bottom:.25rem}.subtitle{color:#888;margin-bottom:2rem;font-size:1.1rem}.cards{display:flex;flex-wrap:wrap;gap:1rem;justify-content:center;margin-bottom:2rem}.card{width:80px;height:110px;font-size:1.5rem;font-weight:700;border:2px solid #ddd;border-radius:12px;background:#fff;cursor:pointer;transition:all .15s ease;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 4px #00000014}.card:hover{border-color:#646cff;transform:translateY(-4px);box-shadow:0 6px 12px #0000001f}.card.selected{background:#646cff;color:#fff;border-color:#646cff;transform:translateY(-8px);box-shadow:0 8px 16px #646cff4d}.result{font-size:1.25rem;padding:1rem 2rem;background:#f5f5f5;border-radius:8px;display:inline-block}@media(prefers-color-scheme:dark){.app{color:#ffffffde}.card{background:#1a1a2e;border-color:#333;color:#ffffffde}.card:hover{border-color:#646cff}.card.selected{background:#646cff;color:#fff;border-color:#646cff}.result{background:#1a1a2e}}