:root {
  --bg: #14100c;
  --card: #1f1a15;
  --muted: #2b251f;
  --border: #3a322a;
  --text: #f6efe6;
  --text-muted: #b49f90;
  --primary: #ec9247;
  --primary-ink: #1a1208;
  --danger: #ff8f7a;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font-family: Poppins, system-ui, sans-serif; font-size: 14px; line-height: 1.5; }
h1, h2, h3, p { margin: 0; }

.top { border-bottom: 1px solid var(--border); padding: 20px 24px; }
.eyebrow { color: var(--primary); font-size: 11px; font-weight: 600; letter-spacing: 0.3em; text-transform: uppercase; }
.top h1 { font-family: Jost, sans-serif; font-weight: 500; font-size: 34px; letter-spacing: 0.06em; text-transform: uppercase; }
.sub { color: var(--text-muted); }

.layout { display: grid; grid-template-columns: 380px minmax(0, 1fr); gap: 32px; max-width: 1240px; margin: 0 auto; padding: 32px 24px 64px; align-items: start; }
.panel { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 24px; display: grid; gap: 26px; min-width: 0; }
.group { display: grid; gap: 10px; min-width: 0; }
.group h2 { font-size: 14px; font-weight: 600; }
h3 { font-family: Montserrat, sans-serif; font-size: 13px; font-weight: 600; color: var(--primary); margin-bottom: 8px; }

.row { display: flex; align-items: center; gap: 14px; }
.row.gap { gap: 10px; align-items: flex-end; }
.row.wrap { flex-wrap: wrap; align-items: center; }
.grow { flex: 1; min-width: 0; }
.stack { display: grid; gap: 8px; }
.hint { color: var(--text-muted); font-size: 12px; }
.lbl { display: block; color: var(--text-muted); font-size: 12px; margin-bottom: 4px; }
.error { color: var(--danger); font-size: 13px; }
.notice { border: 1px solid var(--primary); border-radius: 8px; padding: 10px 12px; font-size: 13px; background: rgba(236, 146, 71, 0.08); }

input[type="text"], input[type="url"], input[type="password"], textarea, select {
  width: 100%; background: transparent; color: var(--text); border: 1px solid var(--border); border-radius: 7px;
  padding: 8px 10px; font: inherit;
}
textarea { resize: vertical; }
select option { background: var(--card); }
input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
input[type="range"] { width: 100%; accent-color: var(--primary); }
.check { display: flex; align-items: center; gap: 8px; font-size: 13px; cursor: pointer; }
.check.inline { color: var(--text-muted); font-size: 12px; }
.check input { accent-color: var(--primary); }

.btn { border: 1px solid var(--border); background: var(--muted); color: var(--text); border-radius: 7px; padding: 10px 16px; font: inherit; font-weight: 500; cursor: pointer; }
.btn:hover { border-color: var(--primary); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; }
.btn.small { padding: 6px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.drop { width: 96px; aspect-ratio: 9 / 16; flex: none; border: 2px dashed var(--border); border-radius: 8px; background: var(--muted) center / cover no-repeat; color: var(--text-muted); font: inherit; cursor: pointer; }
.drop:hover { border-color: var(--primary); }

.seg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.seg.two { grid-template-columns: repeat(2, 1fr); }
.seg button, .chips button { border: 1px solid var(--border); background: transparent; color: var(--text); border-radius: 8px; padding: 9px 8px; font: inherit; font-size: 13px; cursor: pointer; text-align: left; }
.seg button small { display: block; color: var(--text-muted); font-size: 11px; }
.seg button[aria-pressed="true"], .chips button[aria-pressed="true"] { border-color: var(--primary); background: rgba(236, 146, 71, 0.12); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button { padding: 6px 10px; font-size: 12px; border-radius: 999px; }

.field { margin-bottom: 8px; }
.field .row { gap: 8px; align-items: center; }
.field input[type="checkbox"] { accent-color: var(--primary); flex: none; }
.field.active input[type="text"] { border-color: var(--primary); }
.selected { border: 1px solid var(--border); border-radius: 8px; padding: 12px; display: grid; gap: 10px; }
.swatches { display: flex; gap: 8px; }
.swatches button { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--border); cursor: pointer; padding: 0; }
.swatches button[aria-pressed="true"] { border-color: var(--primary); box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--primary); }

.stage { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: 28px; align-items: start; min-width: 0; }
.canvasWrap { position: relative; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--card); }
canvas { display: block; width: 100%; height: auto; touch-action: none; cursor: grab; }
.busy { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; text-align: center; padding: 24px; background: rgba(20, 16, 12, 0.72); font-weight: 500; }
.busy span { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.45; } }
@media (prefers-reduced-motion: reduce) { .busy span { animation: none; } }

.side { display: grid; gap: 24px; min-width: 0; }
.history { display: flex; flex-wrap: wrap; gap: 8px; }
.history button { width: 62px; aspect-ratio: 9 / 16; border: 2px solid var(--border); border-radius: 6px; background: var(--muted) center / cover no-repeat; cursor: pointer; padding: 0; }
.history button[aria-pressed="true"] { border-color: var(--primary); }
.history button { position: relative; overflow: hidden; }
.history button span { position: absolute; left: 0; right: 0; bottom: 0; background: rgba(20, 16, 12, 0.8); color: var(--text); font-size: 10px; padding: 1px 0; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 18px; display: grid; gap: 10px; }
.steps { margin: 4px 0 0; padding-left: 18px; color: var(--text-muted); font-size: 13px; display: grid; gap: 4px; }

@media (max-width: 1080px) {
  .layout { grid-template-columns: 1fr; padding: 20px 16px 48px; }
  .stage { grid-template-columns: 1fr; }
  .canvasWrap { max-width: 420px; }
}