:root {
  --bg: #0d0f15;
  --panel: #151925;
  --panel2: #1c2131;
  --line: #2a3146;
  --text: #e8ecf6;
  --dim: #8f99b3;
  --accent: #ff8a3c;
  --accent2: #ffd28a;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.4 "Segoe UI", system-ui, sans-serif; }
header { display: flex; align-items: center; gap: 14px; padding: 12px 18px; border-bottom: 1px solid var(--line); background: #10131c; }
header h1 { margin: 0; font-size: 19px; letter-spacing: 0.5px; }
header h1 b { color: var(--accent); }
header .tag { color: var(--dim); font-size: 12px; }
header .grow { flex: 1; }
.getfull { display: none; background: var(--accent); color: #1a0d04; font-weight: 700; padding: 8px 14px; border-radius: 8px; text-decoration: none; }
body.demo .getfull { display: inline-block; }
main { display: grid; grid-template-columns: 330px 1fr; gap: 16px; padding: 16px; }
@media (max-width: 860px) { main { grid-template-columns: 1fr; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.panel h2 { margin: 0 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--dim); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.chip { background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 999px; padding: 6px 10px; cursor: pointer; font-size: 12px; }
.chip.on { background: var(--accent); color: #1a0d04; border-color: var(--accent); font-weight: 700; }
.chip.locked { opacity: 0.55; }
.row { display: flex; align-items: center; gap: 8px; margin: 8px 0; }
.row label { width: 92px; color: var(--dim); font-size: 12px; }
.row input[type=range] { flex: 1; }
.row select, .row input[type=number] { flex: 1; background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 5px; }
.row .val { width: 38px; text-align: right; color: var(--accent2); font-variant-numeric: tabular-nums; }
.colors input { width: 46px; height: 30px; border: 0; background: none; padding: 0; cursor: pointer; }
.btn { width: 100%; margin-top: 8px; padding: 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel2); color: var(--text); font-weight: 600; cursor: pointer; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #1a0d04; }
.stage { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 1100px) { .stage { grid-template-columns: 1fr; } }
.viewbox { background-color: #222; background-image: linear-gradient(45deg, #2b2b2b 25%, transparent 25%), linear-gradient(-45deg, #2b2b2b 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #2b2b2b 75%), linear-gradient(-45deg, transparent 75%, #2b2b2b 75%);
  background-size: 24px 24px; background-position: 0 0, 0 12px, 12px -12px, -12px 0; border-radius: 10px; display: flex; align-items: center; justify-content: center; aspect-ratio: 1; }
.viewbox canvas { width: 92%; height: 92%; }
body.px .viewbox canvas { image-rendering: pixelated; }
#status { margin-top: 10px; color: var(--dim); font-size: 12px; min-height: 18px; }
.note { color: var(--dim); font-size: 12px; margin-top: 10px; }
#lock { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6); display: none; align-items: center; justify-content: center; }
#lock.show { display: flex; }
#lock .box { background: var(--panel); border: 1px solid var(--accent); border-radius: 14px; padding: 22px; max-width: 420px; text-align: center; }
#lock .box a { display: inline-block; margin-top: 14px; background: var(--accent); color: #1a0d04; padding: 10px 16px; border-radius: 8px; font-weight: 700; text-decoration: none; }
#lock .box button { margin-left: 8px; background: none; color: var(--dim); border: 0; cursor: pointer; }
footer { color: var(--dim); font-size: 12px; text-align: center; padding: 8px 0 18px; }