:root {
  --bg: #0b0e14;
  --panel: #131722;
  --panel-2: #1a1f2e;
  --border: #262c3d;
  --text: #e6e8ee;
  --text-dim: #8892a6;
  --accent: #4f8cff;
  --green: #35c98f;
  --red: #ef5b5b;
  --amber: #e8b33d;
  --purple: #a679f0;
  --gray: #5b6478;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f5f8;
    --panel: #ffffff;
    --panel-2: #f0f1f5;
    --border: #e2e4ea;
    --text: #1a1d29;
    --text-dim: #6b7288;
  }
}

* { box-sizing: border-box; }

/* 顶部导航：总览 / 各个对照实验 */
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 4px 16px;
}
.nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  padding: 5px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  white-space: nowrap;
}
.nav a:hover { color: var(--text); border-color: var(--accent); }
.nav a.active {
  color: var(--text);
  border-color: var(--accent);
  background: var(--panel-2);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  padding-bottom: 60px;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 16px 40px;
}

header.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 4px 18px;
}

header.top h1 {
  font-size: 19px;
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.3px;
}

header.top .meta {
  color: var(--text-dim);
  font-size: 12.5px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--panel-2);
}
.badge.dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.badge.green { color: var(--green); }
.badge.amber { color: var(--amber); }
.badge.red { color: var(--red); }
.badge.gray { color: var(--gray); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card .big {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}

.card .sub {
  color: var(--text-dim);
  font-size: 12.5px;
}

.section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.section > h2 {
  font-size: 15px;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section > h2 .tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 480px;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--panel-2); }

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}
.pill.leading { background: rgba(53,201,143,.15); color: var(--green); }
.pill.improving { background: rgba(79,140,255,.15); color: var(--accent); }
.pill.weakening { background: rgba(232,179,61,.15); color: var(--amber); }
.pill.lagging { background: rgba(91,100,120,.2); color: var(--gray); }
.pill.buy { background: rgba(53,201,143,.15); color: var(--green); }
.pill.sell,.pill.stop_out { background: rgba(239,91,91,.15); color: var(--red); }
.pill.scale_out { background: rgba(232,179,61,.15); color: var(--amber); }
.pill.hold { background: rgba(91,100,120,.2); color: var(--gray); }
.pill.watch { background: rgba(166,121,240,.15); color: var(--purple); }

.star { color: var(--amber); }

.empty {
  color: var(--text-dim);
  text-align: center;
  padding: 24px 0;
  font-size: 13px;
}

svg.rrg { width: 100%; height: auto; display: block; }
svg.rrg text.axis-label { fill: var(--text-dim); font-size: 11px; }
svg.rrg .quad-label { fill: var(--text-dim); font-size: 12px; font-weight: 600; }
svg.rrg .grid-line { stroke: var(--border); stroke-width: 1; }
svg.rrg .center-line { stroke: var(--border); stroke-width: 1.5; }
svg.rrg circle.pt { stroke: var(--bg); stroke-width: 1; cursor: pointer; }
svg.rrg circle.pt.leading { fill: var(--green); }
svg.rrg circle.pt.improving { fill: var(--accent); }
svg.rrg circle.pt.weakening { fill: var(--amber); }
svg.rrg circle.pt.lagging { fill: var(--gray); }
svg.rrg circle.pt.crossed { stroke: var(--amber); stroke-width: 2.5; }
svg.rrg text.pt-label { font-size: 10px; fill: var(--text); pointer-events: none; }

.legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; font-size: 12px; color: var(--text-dim); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }

.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}
.btn.ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.btn:active { opacity: .8; }

.risk-bar {
  height: 8px;
  border-radius: 999px;
  background: var(--panel-2);
  overflow: hidden;
  margin: 6px 0;
}
.risk-bar > div { height: 100%; background: var(--accent); }
.risk-bar > div.breach { background: var(--red); }

.tabs { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.tabs button {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  cursor: pointer;
}
.tabs button.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.kv { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.kv .row { display: flex; justify-content: space-between; gap: 12px; }
.kv .row span:first-child { color: var(--text-dim); }

footer.status {
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
  padding: 16px;
}

.loading { color: var(--text-dim); padding: 40px; text-align: center; }

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 50; padding: 16px;
}
.modal {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; width: 100%; max-width: 360px;
}
.modal h3 { margin: 0 0 12px; font-size: 15px; }
.modal label { display: block; font-size: 12px; color: var(--text-dim); margin: 10px 0 4px; }
.modal input, .modal select, .modal textarea {
  width: 100%; background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); border-radius: 6px; padding: 7px 9px; font-size: 13px;
  font-family: var(--font);
}
.modal .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.modal .err { color: var(--red); font-size: 12px; margin-top: 8px; min-height: 1em; }

@media (max-width: 640px) {
  .wrap { padding: 10px; }
  header.top h1 { font-size: 17px; }
}