:root {
  --bg: #0b1020; --panel: #111a2e; --line: #274b7a;
  --text: #dbe7ff; --muted: #9fb6d9; --accent: #41b8d5;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  display: flex; flex-direction: column; min-height: 100vh;
}
header { padding: 14px 24px 6px; }
header h1 { margin: 0; font-size: 22px; }
header h1 span { font-size: 13px; color: var(--muted); font-weight: 400; margin-left: 8px; }
.sub { margin: 4px 0 0; color: var(--muted); font-size: 12px; }

#banner {
  background: #5c4a12; color: #ffe9a8; padding: 8px 24px; font-size: 13px;
}
#banner code { background: rgba(0,0,0,.35); padding: 1px 6px; border-radius: 4px; }
.hidden { display: none; }

.controls {
  display: flex; gap: 16px; align-items: center; flex-wrap: wrap;
  padding: 10px 24px; background: var(--panel); border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.controls label { display: flex; align-items: center; gap: 6px; color: var(--muted); }
select, .seg button, .tabs button {
  background: #0e1830; color: var(--text); border: 1px solid var(--line);
  border-radius: 6px; padding: 6px 12px; font-size: 13px; cursor: pointer;
}
.seg { display: flex; gap: 6px; }
.seg button.active, .tabs button.active { background: var(--accent); color: #04121a; font-weight: 600; }
#status { margin-left: auto; color: var(--muted); font-size: 12px; }

.tabs { display: flex; gap: 8px; padding: 12px 24px 0; flex-wrap: wrap; }

.view { display: none; padding: 12px 24px 20px; flex: 1; min-height: 520px; }
.view.active { display: block; }
.chart { width: 100%; height: 100%; min-height: 520px; }
.split { display: grid; grid-template-columns: 3fr 2fr; gap: 14px; height: 100%; }
.empty { color: var(--muted); text-align: center; padding: 60px 0; }

footer { padding: 10px 24px 18px; color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }
footer code { background: #0e1830; padding: 1px 6px; border-radius: 4px; }

@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

.trend-bar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; padding: 2px 0 12px; }
.trend-bar .lbl { color: var(--muted); font-size: 13px; }
select[multiple] { min-width: 240px; height: 92px; background: #0e1830; color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 4px; }
select[multiple] option { padding: 2px 6px; }