*,:before,:after{box-sizing:border-box}:root{--bg:#1a1a2e;--text:#e0e0e0;--text-muted:#88a;--accent:#7c3aed;--surface:#16213e;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.5}body{margin:0;padding:0}.app{max-width:1200px;margin:0 auto;padding:40px 24px 60px}header{text-align:center;margin-bottom:48px}h1{letter-spacing:-1.5px;background:linear-gradient(135deg,#6366f1,#a855f7,#ec4899);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 8px;font-size:48px;font-weight:700}.subtitle{color:var(--text-muted);margin:0 0 28px;font-size:16px;line-height:1.6}.color-picker-wrapper{flex-direction:column;align-items:center;gap:10px;display:flex}.color-picker-wrapper label{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);font-size:14px;font-weight:600}.picker-row{align-items:center;gap:12px;display:flex}input[type=color]{cursor:pointer;background:0 0;border:2px solid #333;border-radius:8px;width:56px;height:42px;padding:2px}.hex-input{background:var(--surface);color:var(--text);text-align:center;border:2px solid #333;border-radius:8px;width:120px;padding:8px 12px;font-family:ui-monospace,Consolas,monospace;font-size:18px}.hex-input:focus{border-color:var(--accent);outline:none}.hint{color:var(--text-muted);margin:4px 0 0;font-size:13px}.preset{color:var(--accent);cursor:pointer;background:0 0;border:1px solid #444;border-radius:4px;padding:2px 8px;font-family:ui-monospace,Consolas,monospace;font-size:12px;transition:border-color .2s}.preset:hover{border-color:var(--accent)}section{margin-bottom:48px}h2{border-bottom:1px solid #2a2a4a;margin:0 0 20px;padding-bottom:8px;font-size:22px;font-weight:600}.rows-container{flex-direction:column;gap:16px;display:flex}.swatch-row{align-items:flex-start;gap:16px;display:flex}.row-label{flex:0 0 160px;padding-top:8px}.row-label strong{color:var(--text);font-size:14px;display:block}.row-description{color:var(--text-muted);margin-top:2px;font-size:11px;line-height:1.4;display:block}.row-swatches{flex:1;gap:2px;display:flex}.swatch{aspect-ratio:1;cursor:default;border-radius:4px;flex:1;justify-content:center;align-items:flex-end;min-width:0;padding:4px 2px;transition:transform .15s;display:flex}.swatch:hover{z-index:1;transform:scale(1.15);box-shadow:0 4px 12px #00000080}.swatch-hex{opacity:0;text-align:center;word-break:break-all;font-family:ui-monospace,Consolas,monospace;font-size:9px;transition:opacity .15s}.swatch:hover .swatch-hex{opacity:.8}footer{text-align:center;color:var(--text-muted);border-top:1px solid #2a2a4a;padding-top:24px;font-size:13px}footer a{color:var(--accent);text-decoration:none}footer a:hover{text-decoration:underline}@media (width<=768px){h1{font-size:32px}.swatch-row{flex-direction:column;gap:4px}.row-label{flex:none;padding-top:0}.row-swatches{width:100%}.swatch{aspect-ratio:auto;height:48px}}