:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1a1a1a}*{box-sizing:border-box}body{margin:0;background:#f4f4f5;min-height:100vh}.app{max-width:900px;margin:0 auto;padding:3rem 1.25rem;display:flex;flex-direction:column;align-items:center}.header{text-align:center;margin-bottom:2rem}.header h1{margin:0 0 .5rem;font-size:2rem;letter-spacing:-.02em}.header p{margin:0;color:#6b7280}.palette{display:grid;grid-template-columns:repeat(5,1fr);gap:.75rem;width:100%;margin-bottom:2rem}@media (max-width: 640px){.palette{grid-template-columns:repeat(2,1fr)}}.swatch{border:none;border-radius:14px;aspect-ratio:3 / 4;cursor:pointer;display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-start;padding:1rem;font-family:inherit;transition:transform .15s ease,box-shadow .15s ease;box-shadow:0 4px 12px #00000014}.swatch:hover{transform:translateY(-4px);box-shadow:0 10px 20px #00000026}.code{font-size:1rem;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.03em}.hint{font-size:.75rem;opacity:.75;margin-top:.2rem}.generate{border:none;background:#1a1a1a;color:#fff;font-size:1rem;font-weight:600;padding:.85rem 2.5rem;border-radius:999px;cursor:pointer;font-family:inherit;transition:background .15s ease,transform .1s ease}.generate:hover{background:#333}.generate:active{transform:scale(.97)}