:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa}.shell{min-height:100vh;display:grid;place-items:center;padding:2rem}.game{width:100%;max-width:26rem;display:flex;flex-direction:column;align-items:center;gap:1.25rem}.header{width:100%;display:flex;justify-content:space-between;align-items:center}h1{margin:0;font-size:1.5rem;font-weight:600;letter-spacing:-.02em}.stats{display:flex;gap:1rem}.stat{font-size:.85rem;color:#ffffff8c}.stat strong{color:#fafafa;font-size:1rem}.prompt{margin:0;font-size:1rem;color:#ffffffb3}.target-swatch{width:8rem;height:8rem;border-radius:1rem;border:2px solid rgba(255,255,255,.15);box-shadow:0 8px 32px #0006}.hex-label{margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem;color:#ffffff73;letter-spacing:.05em}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;width:100%}.swatch{aspect-ratio:1;border-radius:.75rem;border:2px solid transparent;cursor:pointer;transition:transform .15s,border-color .15s,box-shadow .15s;outline:none;padding:0}.swatch:hover{transform:scale(1.05);box-shadow:0 4px 16px #0000004d}.swatch:focus-visible{border-color:#fafafa}.swatch-correct{border-color:#22c55e;box-shadow:0 0 16px #22c55e66}.swatch-wrong{border-color:#ef4444;box-shadow:0 0 16px #ef444466;opacity:.5}.feedback{margin:0;font-size:1.1rem;font-weight:600;animation:pop .3s ease}.feedback.correct{color:#22c55e}.feedback.wrong{color:#ef4444}@keyframes pop{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}