: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;margin:0}html,body,#root{min-height:100vh;background:#0a0a0a;color:#fafafa}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:2rem 1rem}h1{font-size:2rem;font-weight:700;letter-spacing:-.03em;margin-bottom:.25rem}.subtitle{color:#ffffff80;font-size:.9rem;margin-bottom:1.5rem}.layout{display:flex;gap:2rem;align-items:flex-start}.palette{display:flex;flex-direction:column;gap:.5rem;align-items:center}.swatch{width:36px;height:36px;border-radius:8px;border:2px solid transparent;cursor:pointer;transition:transform .15s,border-color .15s}.swatch:hover{transform:scale(1.15)}.swatch.active{border-color:#fff;transform:scale(1.15);box-shadow:0 0 12px #ffffff4d}.actions{display:flex;flex-direction:column;gap:.4rem;margin-top:.75rem;width:100%}.btn{background:#ffffff14;border:1px solid rgba(255,255,255,.12);color:#ffffffbf;padding:.4rem .75rem;border-radius:6px;font-size:.75rem;cursor:pointer;transition:background .15s;font-family:inherit}.btn:hover{background:#ffffff26}.canvas-wrap{background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:1.5rem}.canvas{width:260px;height:416px;display:block}