:root {
  --bg: #1a1e26;
  --card: #171c24;
  --border: #3d4a5c;
  --text: #dce3ec;
  --muted: #7f8b9d;
  --accent: #3a86ff;
  --ok: #3dcc7f;
  --warn: #ffb454;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}
#loginOverlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(10, 12, 16, 0.94);
}
#loginOverlay.show { display: flex; }
.login-box {
  width: 320px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 26px;
  text-align: center;
}
.login-box h2 { margin: 0 0 6px; font-size: 20px; }
.login-hint { color: var(--muted); font-size: 13px; margin: 0 0 16px; }
.login-box input { margin-bottom: 12px; padding: 9px 10px; font-size: 14px; }
.login-box button { width: 100%; padding: 10px; font-size: 15px; }
.token-error { color: #ff5c5c; font-size: 12px; margin-top: 10px; min-height: 16px; }
.login-footer { color: #4d5765; font-size: 11px; margin-top: 16px; }
header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: #0c0f14;
  border-bottom: 1px solid var(--border);
}
header h1 { font-size: 20px; margin: 0; }
.back-link {
  color: var(--muted); font-size: 13px; text-decoration: none;
  padding: 6px 14px; border: 1px solid var(--border); border-radius: 8px;
  transition: color .15s, border-color .15s;
}
.back-link:hover { color: var(--accent); border-color: var(--accent); }
.status { color: var(--muted); font-size: 13px; }
.status.busy { color: var(--warn); }
.status.ok { color: var(--ok); }
.status.err { color: #ff5c5c; }
main { display: grid; grid-template-columns: 360px 1fr; gap: 16px; padding: 16px; align-items: start; }
footer {
  text-align: center;
  color: #5b6675;
  font-size: 13px;
  padding: 18px 0 24px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 16px;
}
.card h2 { font-size: 15px; margin: 0 0 10px; color: #aeb9c8; }
.card-config h2 { border-bottom: 2px solid #3a86ff; padding-bottom: 6px; }
.card-track h2 { border-bottom: 2px solid #a06cd5; padding-bottom: 6px; }
.card-result h2 { border-bottom: 2px solid #3dcc7f; padding-bottom: 6px; }
details { margin-bottom: 8px; border: 1px solid var(--border); border-radius: 8px; padding: 6px 8px; }
summary { cursor: pointer; font-weight: 600; font-size: 13px; color: #c6cfda; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 10px; margin-top: 6px; }
label { display: block; font-size: 12px; color: var(--muted); }
input, select {
  width: 100%;
  margin-top: 2px;
  padding: 5px 7px;
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
}
input:focus, select:focus { outline: 1px solid var(--accent); }
input:disabled, select:disabled { opacity: 0.55; cursor: not-allowed; }
.save-row { display: flex; gap: 6px; margin-top: 8px; }
.save-row input { flex: 1; min-width: 0; }
.save-row button { padding: 6px 10px; font-size: 12px; white-space: nowrap; }
.track-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.track-row .track-field { min-width: 220px; }
.track-opts { display: flex; align-items: center; gap: 12px; }
.track-row #runBtn { margin-left: 20px; }
.track-row .status { align-self: flex-end; margin-left: 4px; margin-bottom: 2px; }
.track-row label.inline { display: flex; align-items: center; gap: 6px; min-width: 0; }
.track-row input[type=checkbox] { width: auto; }
button {
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #202734;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}
button:hover { background: #283141; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:disabled { opacity: 0.5; cursor: wait; }
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.stat {
  background: #10151d;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  text-align: center;
}
.stat .v { font-size: 21px; font-weight: 700; margin-top: 2px; }
.stat .k { font-size: 12px; color: var(--muted); }
.stat.highlight .v { color: var(--accent); font-size: 26px; }
.meta { font-size: 12px; color: var(--muted); font-weight: 400; }
.chart-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 12px;
  row-gap: 32px;
}
.chart { width: 100%; height: 440px; }
.chart-wide { grid-column: 1 / -1; }
.vbox-chart-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 440px);
  gap: 12px;
}
#chartVboxTrack {
  grid-column: 1;
  grid-row: 1 / 3;
  height: 100%;
  min-height: 0;
}
.downloads { display: flex; gap: 10px; margin-bottom: 12px; min-height: 36px; }
.downloads a {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 8px;
  background: #202734;
  border: 1px solid var(--border);
  color: #9ec3ff;
  text-decoration: none;
  font-size: 13px;
}
.downloads a:hover { background: #283141; }
.compare-box {
  margin-bottom: 12px;
  padding: 10px 12px;
  background: #10151d;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.compare-title { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.compare-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  margin-bottom: 4px;
  background: #171d27;
  border-radius: 6px;
  font-size: 13px;
}
.compare-item .idx { color: var(--accent); font-weight: 700; }
.compare-item .rm { cursor: pointer; color: #ff6b6b; background: none; border: none; padding: 2px 6px; }
.compare-actions { display: flex; gap: 10px; margin-top: 8px; }
.compare-actions button { padding: 6px 14px; font-size: 13px; }
#compareStartBtn:disabled { opacity: 0.45; cursor: not-allowed; }
.compare-warn { color: #ffb454; font-size: 12px; margin-top: 6px; }
.anim-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 10px; }
.anim-toolbar input[type=range] { flex: 1; min-width: 160px; }
#animCanvas {
  width: 100%;
  height: 540px;
  background: #0b0e14;
  border-radius: 8px;
  overflow: hidden;
}
.anim-hud {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted);
}
.anim-hud b { color: var(--text); font-variant-numeric: tabular-nums; margin-left: 4px; }
.anim-hud .bar { display: flex; align-items: center; gap: 6px; }
.anim-hud .bar i {
  display: inline-block;
  width: 70px;
  height: 8px;
  background: #242b36;
  border-radius: 4px;
  overflow: hidden;
}
.anim-hud .bar i b { display: block; height: 100%; width: 0%; background: #3dcc7f; }
.anim-hud #animBrkBar b { background: #ff6b6b; }