:root {
  color-scheme: light;
  --bg: #f4f4f2;
  --surface: #fcfcfb;
  --surface-2: #ececea;
  --border: #d9d8d4;
  --text: #0b0b0b;
  --text-2: #52514e;
  --text-3: #8a8985;
  --accent: #2a78d6;
  --accent-2: #eb6834;
  --map-bg: #e6e6e3;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #131312;
    --surface: #1a1a19;
    --surface-2: #242423;
    --border: #35352f;
    --text: #ffffff;
    --text-2: #c3c2b7;
    --text-3: #8b8a83;
    --accent: #3987e5;
    --accent-2: #d95926;
    --map-bg: #0e0e0d;
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
  color: var(--text);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}
.hidden { display: none !important; }

.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 8px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; flex-direction: column; }
.brand-title { font-weight: 600; font-size: 16px; }
.brand-sub { font-size: 12px; color: var(--text-2); }
.tabs { display: flex; gap: 4px; margin-left: 12px; }
.tab {
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text-2);
  padding: 6px 16px; border-radius: 6px; cursor: pointer; font-size: 14px;
}
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.tab.link { margin-left: 16px; text-decoration: none; }
.status { margin-left: auto; font-size: 12px; color: var(--text-3); font-variant-numeric: tabular-nums; }

.layout { display: flex; flex: 1; min-height: 0; }
.sidebar {
  width: 320px; flex: none; overflow-y: auto;
  border-right: 1px solid var(--border); background: var(--surface);
  padding: 8px 12px 24px;
}
.panel { padding: 8px 0 12px; border-bottom: 1px solid var(--border); }
.panel h2 { font-size: 13px; font-weight: 600; margin: 4px 0 8px; color: var(--text-2); }
.panel label { display: flex; flex-direction: column; gap: 3px; margin: 6px 0; font-size: 13px; color: var(--text-2); }
.panel label.row { flex-direction: row; align-items: center; justify-content: space-between; gap: 10px; }
.panel label.row input[type=range] { flex: 1; }
.panel label.check { flex-direction: row; align-items: center; gap: 8px; }
select, input[type=number] {
  font: inherit; color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 5px; padding: 5px 7px;
}
.range-row { display: flex; gap: 8px; }
.range-row label { flex: 1; }
.range-row input { width: 100%; }
.btn-row { display: flex; gap: 6px; margin: 6px 0; }
.btn {
  font: inherit; font-size: 13px; padding: 5px 10px; border-radius: 5px; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
}
.btn:hover { border-color: var(--accent); }
.btn.icon { width: 34px; padding: 5px 0; text-align: center; }
.note { font-size: 12px; color: var(--text-3); margin: 8px 0 0; }
.readout table { width: 100%; border-collapse: collapse; font-size: 12px; }
.readout th { text-align: left; font-weight: 500; color: var(--text-3); padding: 2px 6px 2px 0; width: 42%; vertical-align: top; }
.readout td { font-variant-numeric: tabular-nums; padding: 2px 0; }

.content { flex: 1; min-width: 0; display: flex; flex-direction: column; padding: 10px 14px; gap: 8px; }
.map-wrap {
  position: relative; flex: 1; min-height: 0;
  background: var(--map-bg); border: 1px solid var(--border); border-radius: 8px; overflow: hidden;
  cursor: crosshair;
}
.map-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
#overlay { pointer-events: none; }
.map-label { position: absolute; left: 10px; top: 8px; font-size: 12px; color: #fff; background: rgba(0,0,0,.55); padding: 3px 8px; border-radius: 4px; pointer-events: none; }
.compass { position: absolute; right: 10px; top: 8px; font-size: 12px; color: #fff; background: rgba(0,0,0,.55); padding: 3px 8px; border-radius: 4px; pointer-events: none; }
.scalebar { position: absolute; right: 10px; bottom: 10px; display: flex; flex-direction: column; align-items: flex-end; pointer-events: none; }
.scalebar span { display: block; height: 4px; background: #fff; border: 1px solid #000; width: 100px; }
.scalebar em { font-style: normal; font-size: 11px; color: #fff; text-shadow: 0 0 3px #000; }
.loading { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); background: rgba(0,0,0,.6); color: #fff; padding: 6px 14px; border-radius: 6px; font-size: 13px; pointer-events: none; }

.colorbar-wrap { display: grid; grid-template-columns: 1fr; gap: 2px; }
#colorbar { width: 100%; height: 12px; border-radius: 3px; border: 1px solid var(--border); }
.colorbar-ticks { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-2); font-variant-numeric: tabular-nums; }
.colorbar-title { font-size: 12px; color: var(--text-3); text-align: center; }

.timebar { display: flex; align-items: center; gap: 8px; }
.timebar input[type=range] { flex: 1; }
.time-label { font-size: 13px; font-variant-numeric: tabular-nums; min-width: 190px; color: var(--text-2); }
.fps { font-size: 12px; color: var(--text-3); display: flex; align-items: center; gap: 4px; }

.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; height: 120px; flex: none; }
.chart { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px 4px; display: grid; grid-template-rows: auto minmax(0, 1fr); min-height: 0; overflow: hidden; }
.chart-title { font-size: 12px; color: var(--text-2); }
.chart canvas { display: block; width: 100%; height: 100%; min-height: 0; cursor: pointer; }