:root {
  --bg: #0f1420;
  --panel: #171e2e;
  --border: #262f45;
  --text: #e6eaf2;
  --muted: #8b94a7;
  --accent: #4f8cff;
  --up: #e64545;
  --down: #2fb27d;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}

.topbar {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 8px 4px 16px;
}
.topbar h1 { font-size: 20px; }
.muted { color: var(--muted); font-size: 12px; }

.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 24px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
}
.tab.active { color: #fff; background: var(--accent); border-color: var(--accent); }

.cards { 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: 10px;
  padding: 16px;
}
.card-title { color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.card-value { font-size: 26px; font-weight: 600; }
.card-sub { color: var(--muted); font-size: 12px; margin-top: 6px; }
.up { color: var(--up); }
.down { color: var(--down); }
.estimate {
  font-size: 11px; color: #f0a840; border: 1px solid #f0a840;
  border-radius: 4px; padding: 1px 6px; margin-left: 6px;
}
.components-list { display: flex; flex-direction: column; gap: 4px; font-size: 13px; }
.components-list .row { display: flex; justify-content: space-between; }
.components-list .row span:last-child { font-variant-numeric: tabular-nums; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}
.panel h2 { font-size: 15px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; }
.hint { color: var(--muted); font-size: 12px; margin: 6px 0 2px; }

.date-picker { color: var(--muted); font-size: 13px; }
.date-picker select {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; padding: 4px 8px;
}

.chart { width: 100%; height: 320px; margin-top: 8px; }
.chart.tall { height: 480px; }

.btn {
  background: transparent; color: var(--muted);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 12px; cursor: pointer;
}
.btn:hover { color: var(--text); }

.hidden { display: none !important; }
.empty {
  text-align: center; color: var(--muted);
  padding: 60px 20px; font-size: 14px; line-height: 2;
}
.empty code {
  background: var(--panel); border: 1px solid var(--border);
  padding: 2px 8px; border-radius: 4px;
}
/* 总览: 三市场卡片 */
.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 8px;
}
.market-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  cursor: pointer;
  transition: border-color .15s, transform .15s;
}
.market-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.market-card.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.market-card.empty-card { cursor: default; opacity: .6; }
.market-card.empty-card:hover { border-color: var(--border); transform: none; }
.market-name { color: var(--muted); font-size: 14px; margin-bottom: 10px; }
.market-total { font-size: 30px; font-weight: 600; }
.market-sub { color: var(--muted); font-size: 12px; margin-top: 8px; }
.market-sub span { margin-left: 8px; }
.market-cta { color: var(--accent); font-size: 12px; margin-top: 14px; }

/* 细分页头部: 市场切换 */
.detail-head { display: flex; align-items: center; gap: 16px; margin: 24px 0 16px; }
.detail-head .tabs { margin-bottom: 0; }
#detail { scroll-margin-top: 8px; }

.footer { text-align: center; padding: 12px 0 24px; line-height: 1.8; }