:root {
  color-scheme: light;
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-2: #ffffff;
  --line: #b0b0b0;
  --line-light: #dddddd;
  --muted: #595959;
  --text: #262626;
  --cyan: #1f77b4;
  --blue: #1f77b4;
  --amber: #ff7f0e;
  --red: #d62728;
  --green: #2ca02c;
  --radius: 3px;
  font-family: "DejaVu Sans", Arial, "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

button, select, input { font: inherit; }

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding: 22px 28px 17px;
  border-bottom: 1px solid var(--line);
}

h1, h2, p { margin: 0; }

h1 { font-size: clamp(26px, 2.1vw, 38px); letter-spacing: -0.03em; line-height: 1.08; }
h2 { font-size: 17px; letter-spacing: -0.01em; }

.eyebrow, .kicker {
  color: var(--text);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.eyebrow { margin-bottom: 7px; }
.kicker { margin-bottom: 5px; }

.headline-status {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.headline-status span {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: #f2f2f2;
  color: var(--text);
  font-size: 11px;
  white-space: nowrap;
}

.controls {
  display: grid;
  grid-template-columns: auto auto auto auto auto auto minmax(280px, 1fr);
  align-items: end;
  gap: 10px;
  padding: 13px 28px;
  background: #f7f7f7;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}

label > span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

select, button {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--text);
  background: #ffffff;
  cursor: pointer;
}

button:hover, select:hover { border-color: #595959; }

button.primary {
  border-color: #1f77b4;
  background: #1f77b4;
  color: #ffffff;
  min-width: 92px;
}

.timeline { min-width: 0; }

input[type="range"] {
  accent-color: var(--cyan);
  width: 100%;
  height: 22px;
  cursor: pointer;
}

.timeline-labels {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-size: 10px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(570px, 1.18fr);
  gap: 14px;
  padding: 14px 28px;
}

.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
}

.panel-heading {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-light);
}

.legend { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px; }
.legend span { color: var(--muted); font-size: 10px; white-space: nowrap; }

.swatch {
  display: inline-block;
  width: 18px;
  height: 3px;
  border-radius: 4px;
  margin-right: 5px;
  vertical-align: middle;
  background: var(--muted);
}

.swatch.walked { background: var(--cyan); }
.swatch.remaining { background: #b0b0b0; }
.swatch.tcp { width: 7px; height: 7px; background: var(--amber); }
.swatch.demand { background: var(--blue); }
.swatch.rated { background: var(--red); }
.swatch.dashed { background: repeating-linear-gradient(90deg, var(--red) 0 5px, transparent 5px 8px); }

.canvas-frame {
  position: relative;
  width: 100%;
  background: var(--panel-2);
}

.motion-frame { min-height: 560px; height: min(64vh, 720px); }
.chart-frame { min-height: 500px; height: min(57vh, 620px); }
canvas { display: block; width: 100%; height: 100%; }

.chart-notice {
  padding: 8px 16px;
  border-bottom: 1px solid var(--line-light);
  background: #f2f2f2;
  color: var(--text);
  font-size: 11px;
  line-height: 1.4;
}

.chart-notice strong { color: var(--text); }
.chart-notice #scale-output {
  display: inline;
  margin-left: 0.45em;
  color: #1f77b4;
}

.pose-readout {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line-light);
  border-top: 1px solid var(--line);
}

.pose-readout span {
  padding: 10px 7px;
  background: #ffffff;
  color: var(--muted);
  font-size: 10px;
  text-align: center;
  white-space: nowrap;
}

.pose-readout b { color: var(--text); font-variant-numeric: tabular-nums; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-light);
  border-top: 1px solid var(--line);
}

.metric-card {
  padding: 9px 11px 10px;
  background: #ffffff;
  min-width: 0;
}

.metric-card h3 {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 11px;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.metric-row b { color: var(--text); font-weight: 650; }
.metric-row b.over { color: var(--red); }
.metric-row b.ok { color: var(--green); }

footer {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  padding: 2px 30px 22px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
}

footer p { max-width: 780px; }
footer code { color: var(--text); }

@media (min-width: 1181px) {
  html, body {
    width: 100%;
    height: 100%;
    min-height: 0;
  }

  body {
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    overflow: hidden;
  }

  .topbar {
    align-items: center;
    padding-top: 14px;
    padding-bottom: 12px;
  }

  .controls {
    position: relative;
    top: auto;
  }

  .workspace {
    min-height: 0;
    overflow: hidden;
  }

  .panel {
    display: flex;
    min-height: 0;
    flex-direction: column;
  }

  .motion-frame,
  .chart-frame {
    flex: 1 1 auto;
    min-height: 0;
    height: auto;
  }

  footer {
    padding-bottom: 8px;
  }
}

@media (max-width: 1180px) {
  .controls { grid-template-columns: repeat(6, auto); }
  .timeline { grid-column: 1 / -1; }
  .workspace { grid-template-columns: 1fr; }
  .motion-frame { height: 600px; }
  .chart-frame { height: 620px; }
}

@media (max-width: 720px) {
  .topbar { align-items: flex-start; flex-direction: column; padding: 18px 15px 14px; }
  .headline-status { justify-content: flex-start; }
  .controls { grid-template-columns: repeat(2, 1fr); padding: 10px 15px; }
  .controls button, .controls select { width: 100%; }
  .timeline { grid-column: 1 / -1; }
  .timeline-labels { flex-wrap: wrap; }
  .workspace { padding: 10px 15px; }
  .panel-heading { align-items: flex-start; flex-direction: column; }
  .legend { justify-content: flex-start; }
  .motion-frame { min-height: 420px; height: 55vh; }
  .chart-frame { min-height: 560px; height: 70vh; }
  .pose-readout { grid-template-columns: repeat(2, 1fr); }
  .metric-grid { grid-template-columns: 1fr; }
  footer { padding: 4px 16px 20px; flex-direction: column; gap: 8px; }
}