:root {
  --bg: #0f1216;
  --card: #171c22;
  --line: #262f3a;
  --ink: #e8edf3;
  --muted: #93a1b1;
  --good: #2f9e6b;
  --bad: #c9503f;
  --accent: #d9a441;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.6 -apple-system, "PingFang SC", "Heiti SC", "Microsoft YaHei", sans-serif;
  padding-bottom: 40px;
}
header { padding: 16px 16px 8px; }
h1 { margin: 0 0 4px; font-size: 20px; }
header p { margin: 0; color: var(--muted); font-size: 13px; }
main { padding: 0 12px; }
section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  margin: 12px 0;
}
section > h2 { margin: 0 0 10px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.badge {
  font-size: 11px; color: var(--bg); background: var(--accent);
  border-radius: 999px; padding: 1px 8px; font-weight: 700;
}
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
button, select, input[type="number"] {
  font: inherit; color: inherit; background: #20272f;
  border: 1px solid var(--line); border-radius: 9px; padding: 9px 12px;
}
button { cursor: pointer; }
button.primary { background: var(--accent); color: #1a1408; border-color: var(--accent); font-weight: 700; }
button:disabled { opacity: .45; cursor: not-allowed; }
input[type="range"] { flex: 1; min-width: 140px; }
label { color: var(--muted); font-size: 13px; }
.hint { color: var(--muted); font-size: 12.5px; margin: 8px 0 0; }
#stage { position: relative; width: 100%; }
canvas { width: 100%; display: block; border-radius: 10px; background: #fff; touch-action: none; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; background: #20272f;
}
.chip.on { background: var(--accent); color: #1a1408; border-color: var(--accent); font-weight: 700; }
.stat { font-size: 13px; color: var(--muted); }
.stat b { color: var(--ink); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.card {
  border: 1px solid var(--line); border-left-width: 4px; border-radius: 10px;
  padding: 10px; background: #131920;
}
.card.good { border-left-color: var(--good); }
.card.bad { border-left-color: var(--bad); }
.card h3 { margin: 0; font-size: 16px; display: flex; justify-content: space-between; align-items: baseline; }
.card .dir { font-size: 12px; color: var(--muted); }
.card .full { font-size: 12px; color: var(--accent); }
.card ul { margin: 6px 0 0; padding-left: 18px; font-size: 12.5px; color: #cdd7e1; }
.card li { margin: 2px 0; }
.card .k { color: var(--muted); }
.note { background: #12181f; border: 1px dashed var(--line); border-radius: 10px; padding: 10px; font-size: 12.5px; color: var(--muted); }
.mode-on { outline: 2px solid var(--accent); }
@media (min-width: 860px) {
  main { max-width: 1180px; margin: 0 auto; }
  .split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 12px; align-items: start; }
}