:root {
  --bg: #15171c;
  --panel: #1e2128;
  --panel-2: #262a33;
  --line: #333845;
  --text: #e8eaef;
  --muted: #8b92a3;
  --accent: #4fc3f7;
  --red: #ff5a5a;
  --yellow: #ffcc33;
  --green: #3ddc84;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { margin: 0; font-size: 22px; letter-spacing: 2px; }
.tagline { color: var(--muted); }
.logo {
  display: inline-flex; flex-direction: column; gap: 3px;
  padding: 4px; background: #000; border-radius: 6px;
}
.logo i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.logo .r { background: var(--red); }
.logo .y { background: #5a4a1a; }
.logo .g { background: #1c4a30; }

.level-tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.level-tabs button {
  display: flex; flex-direction: column; align-items: center;
  min-width: 74px; padding: 4px 10px;
}
.level-tabs .stars { font-size: 11px; color: var(--yellow); letter-spacing: 1px; height: 14px; line-height: 14px; }
.level-tabs .stars .off { color: #4a4f5c; }

main { padding: 16px 24px 32px; max-width: 1400px; margin: 0 auto; }

.stage {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
}
canvas { display: block; width: 100%; }
#minimap { cursor: pointer; border-radius: 6px; margin-bottom: 8px; }
#road { border-radius: 6px; cursor: grab; }
#road.dragging { cursor: grabbing; }
.stage-hint { color: var(--muted); font-size: 12px; margin-top: 6px; text-align: center; }

.panels {
  display: grid;
  grid-template-columns: 1fr 1.25fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
@media (max-width: 1000px) { .panels { grid-template-columns: 1fr; } }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
}
.panel h2 { margin: 0 0 8px; font-size: 16px; }
.desc { margin: 0 0 10px; color: #c5cad6; }
.muted { color: var(--muted); }
.small { font-size: 12px; }

.facts {
  display: grid; grid-template-columns: auto 1fr; gap: 3px 14px; margin: 0 0 10px;
}
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-variant-numeric: tabular-nums; }
.facts dd b { color: var(--accent); }

.legend { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.legend .item { display: flex; align-items: center; gap: 8px; }
.legend canvas { width: 36px; height: 16px; flex: none; }

button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 12px;
  font: inherit;
  cursor: pointer;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .4; cursor: default; }
button.primary { background: #1f6f9c; border-color: #2b8bc2; font-weight: 600; }
button.on, .level-tabs button.on { background: #24506a; border-color: var(--accent); }

.slider-row { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.slider-row label { flex: none; color: var(--muted); }
.slider-row input { flex: 1; accent-color: var(--accent); }
.slider-row output { flex: none; min-width: 58px; text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }

.queue-meter { margin-bottom: 10px; }
.meter-label { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.meter-label span:last-child { color: var(--text); font-variant-numeric: tabular-nums; }
.meter { position: relative; height: 10px; background: var(--panel-2); border-radius: 5px; overflow: hidden; margin-top: 4px; }
.meter-fill { position: absolute; inset: 0 auto 0 0; background: var(--green); border-radius: 5px; transition: width .15s; }
.meter-fill.over { background: var(--red); }
.meter-limit { position: absolute; top: 0; bottom: 0; left: 80%; width: 2px; background: #fff; opacity: .7; }
.meter-warn { color: var(--red); font-size: 12px; min-height: 18px; margin-top: 2px; }

details summary { cursor: pointer; user-select: none; }
#perCar summary { font-weight: 600; }
.gap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 6px;
}
.gap-cell {
  display: flex; flex-direction: column; gap: 2px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px;
  padding: 4px 6px; font-size: 12px;
}
.gap-cell.sel { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.gap-cell .lbl { display: flex; align-items: center; gap: 4px; color: var(--muted); }
.gap-cell .dot { width: 8px; height: 8px; border-radius: 2px; flex: none; }
.gap-cell input {
  width: 100%; background: #14161b; color: var(--text);
  border: 1px solid var(--line); border-radius: 4px; padding: 2px 4px; font: inherit;
}
.gap-cell input.low { color: var(--red); border-color: #7a2a2a; }
.gap-cell input:disabled { opacity: .5; }

.buttons { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.speed { display: flex; align-items: center; gap: 4px; margin-bottom: 12px; }
.speed button { padding: 2px 10px; }

.result { border-top: 1px solid var(--line); padding-top: 10px; }
.result .big { font-size: 30px; font-weight: 700; font-variant-numeric: tabular-nums; }
.result .big small { font-size: 14px; color: var(--muted); font-weight: 400; }
.result .stars { font-size: 26px; color: var(--yellow); letter-spacing: 4px; }
.result .stars .off { color: #3c414d; }
.result .line { color: #c5cad6; }
.result .line b { font-variant-numeric: tabular-nums; }
.result .best { color: var(--green); }
.pass-list { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.pass-list span {
  font-size: 11px; padding: 1px 6px; border-radius: 4px;
  background: var(--panel-2); font-variant-numeric: tabular-nums;
}
.pass-list span.c1 { background: #4a3a14; }
.pass-list span.c2 { background: #4a1f1f; }

.rules { margin-top: 16px; }
.rules summary { font-weight: 600; }
.rules ul { margin: 8px 0 0; padding-left: 20px; color: #c5cad6; }

/* ---------- 关卡编辑器 ---------- */
.level-tabs .custom-tab { border-style: dashed; }
.editor { margin-top: 16px; }
.editor[hidden] { display: none; }
.editor h3 { margin: 4px 0 8px; font-size: 14px; }
.editor-head, .analysis-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.editor-head h2 { margin: 0; }
.editor-head .buttons, .analysis-head .buttons { margin: 0; }
select, .editor input[type="number"], .editor input[type="text"] {
  background: #14161b; color: var(--text); border: 1px solid var(--line);
  border-radius: 4px; padding: 3px 6px; font: inherit;
}
.editor-grid { display: grid; grid-template-columns: 1fr 1fr 1.3fr; gap: 20px; margin-top: 8px; }
@media (max-width: 1100px) { .editor-grid { grid-template-columns: 1fr; } }
.form-grid { display: grid; grid-template-columns: auto 92px auto; gap: 5px 8px; align-items: center; }
.form-grid label { color: var(--muted); font-size: 13px; }
.form-grid .unit { color: var(--muted); font-size: 12px; }
.form-grid input[type="text"] { grid-column: 2 / 4; }
.form-grid input { width: 100%; }
.check { display: flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 13px; }

.queue-chips { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 8px; max-height: 220px; overflow: auto; }
.chip {
  display: flex; align-items: center; gap: 4px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px;
  padding: 2px 4px 2px 6px; font-size: 12px;
}
.chip .dot { width: 8px; height: 8px; border-radius: 2px; }
.chip select { padding: 1px 2px; font-size: 12px; }
.chip button { padding: 0 6px; line-height: 18px; border: none; background: transparent; color: var(--muted); }
.chip button:hover:not(:disabled) { color: var(--red); }
.queue-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.queue-tools input { width: 56px; }

.table-wrap { overflow-x: auto; }
.veh-table { border-collapse: collapse; font-size: 12px; width: 100%; }
.veh-table th { color: var(--muted); font-weight: 400; text-align: left; padding: 2px 4px; white-space: nowrap; }
.veh-table td { padding: 2px 3px; }
.veh-table td:first-child { white-space: nowrap; }
.veh-table input { width: 58px; }

.analysis { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 12px; }
.progress { position: relative; height: 18px; background: var(--panel-2); border-radius: 4px; overflow: hidden; margin: 8px 0; }
.progress-fill { position: absolute; inset: 0 auto 0 0; background: #24506a; }
.progress span { position: relative; font-size: 12px; padding-left: 8px; line-height: 18px; }
.search-result { font-size: 13px; margin: 6px 0; }
.search-result .gaps { font-variant-numeric: tabular-nums; color: #c5cad6; word-break: break-all; }
.search-result .buttons { margin: 6px 0 0; }
.chart-title { margin: 12px 0 0; font-size: 14px; }
.chart-sub { margin: 2px 0 6px; }
.chart-box { position: relative; }
#edChart { cursor: crosshair; }
#edChart.stale { opacity: .45; }
.chart-tip {
  position: absolute; pointer-events: none; z-index: 2;
  background: #0f1115; border: 1px solid var(--line); border-radius: 6px;
  padding: 6px 8px; font-size: 12px; line-height: 1.5; white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,.4);
}
.chart-tip b { font-variant-numeric: tabular-nums; }
.data-table { margin-top: 8px; }
.data-table table { border-collapse: collapse; font-size: 12px; margin-top: 6px; font-variant-numeric: tabular-nums; }
.data-table th, .data-table td { padding: 2px 10px; text-align: right; border-bottom: 1px solid var(--line); }
.data-table th { color: var(--muted); font-weight: 400; }
.json-box { margin-top: 14px; }
.json-box textarea {
  width: 100%; min-height: 140px; margin: 8px 0; background: #14161b; color: var(--text);
  border: 1px solid var(--line); border-radius: 6px; padding: 8px; font: 12px/1.5 monospace;
}

/* ---------- 路由提示 / 保存与分享 ---------- */
.notice { background: #4a1f1f; border: 1px solid #7a2a2a; color: #ffd0d0; border-radius: 6px; padding: 4px 10px; font-size: 13px; }
.notice[hidden] { display: none; }
.level-links { margin: -4px 0 10px; font-size: 13px; }
.level-links a, .share-out a { color: var(--accent); }
.share-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 10px 0 6px; }
.share-bar .spacer { flex: 1; }
.check.inline { margin: 0; }
.share-out { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 6px; }
.share-out[hidden] { display: none; }
.share-out input { flex: 1; min-width: 240px; background: #14161b; color: var(--text); border: 1px solid var(--line); border-radius: 4px; padding: 4px 6px; font: 12px monospace; }
.saved summary { font-weight: 600; font-size: 14px; }
.saved-list { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; }
.saved-item { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 4px 8px; font-size: 13px; }
.saved-item.current { border-color: var(--accent); }
.saved-item .name { font-weight: 600; }
.saved-item .meta { color: var(--muted); font-size: 12px; flex: 1; }
.saved-item button { padding: 2px 8px; font-size: 12px; }