/* 期权监控台 — 深色主题 */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0e1117; --card: #161b24; --line: #232b38;
  --tx: #d7dde8; --dim: #7a8699; --up: #e0564f; --dn: #2fbf71;
  --warn: #e6a23c; --accent: #4f8cff;
}
html, body { background: var(--bg); color: var(--tx);
  font: 14px/1.5 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; }
.hidden { display: none !important; }
.dim { color: var(--dim); } .small { font-size: 12px; }

/* 口令门 */
.gate { position: fixed; inset: 0; z-index: 99; display: flex;
  align-items: center; justify-content: center; background: rgba(10,13,19,.94); }
.gate-box { text-align: center; padding: 34px 40px; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; }
.gate-box h2 { margin-bottom: 18px; font-weight: 600; }
.gate-box input { width: 220px; padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: var(--bg); color: var(--tx); }
.gate-box button { margin-left: 8px; padding: 9px 18px; border: 0; cursor: pointer;
  border-radius: 8px; background: var(--accent); color: #fff; font-weight: 600; }
#gate-err { margin-top: 10px; color: var(--up); font-size: 12px; }

/* 横幅 */
.banner { padding: 7px 16px; text-align: center; font-size: 13px;
  background: #4a1f1c; color: #ffb4ae; border-bottom: 1px solid var(--line); }
.banner.closed { background: #1c2a3a; color: #9db8d8; }

/* 顶栏 */
header { display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px; border-bottom: 1px solid var(--line); flex-wrap: wrap; gap: 8px; }
.logo { font-weight: 700; letter-spacing: 1px; margin-right: 14px; }
.spot-main { font-size: 22px; font-weight: 700; margin-right: 8px; }
.chg { font-weight: 600; margin-right: 10px; }
.chg.up { color: var(--up); } .chg.dn { color: var(--dn); }
.ohlc { color: var(--dim); font-size: 12px; }
.hdr-right { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.pill { padding: 4px 10px; border-radius: 999px; font-size: 12px;
  border: 1px solid var(--line); background: var(--card); }
.pill.ok { color: var(--dn); border-color: #1d4d36; }
.pill.bad { color: var(--up); border-color: #5a2320; }

/* 布局 */
main { display: grid; grid-template-columns: 340px 1fr; gap: 14px; padding: 14px 18px; }
.col-full { grid-column: 1 / -1; }
@media (max-width: 900px) { main { grid-template-columns: 1fr; } }

.card { background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 14px 16px; margin-bottom: 14px; }
.card h3 { font-size: 14px; font-weight: 600; color: var(--tx); margin-bottom: 10px; }

/* 持仓卡 */
.leg { border: 1px solid var(--line); border-radius: 10px; padding: 13px 15px;
  margin-bottom: 12px; background: var(--card); }
.leg.alerting { border-color: #5a2320; }
.leg-head { display: flex; justify-content: space-between; align-items: baseline; }
.leg-name { font-weight: 600; }
.leg-state { font-size: 12px; padding: 2px 8px; border-radius: 999px; }
.leg-state.ok { background: #10331f; color: var(--dn); }
.leg-state.alert { background: #3d1512; color: #ff9d95; }
.leg-mtm { font-size: 26px; font-weight: 700; margin: 8px 0 4px; }
.leg-mtm.up { color: var(--up); } .leg-mtm.dn { color: var(--dn); }
.leg-rows { font-size: 12.5px; color: var(--dim); }
.leg-rows b { color: var(--tx); font-weight: 600; }
.def-bar { height: 5px; border-radius: 3px; background: #232b38; margin: 9px 0 3px; overflow: hidden; }
.def-bar > div { height: 100%; background: var(--dn); transition: width .4s; }
.def-bar > div.hot { background: var(--warn); }
.def-bar > div.crit { background: var(--up); }
.def-label { font-size: 11px; color: var(--dim); }

/* 波动率 */
.vol-main { display: flex; gap: 18px; align-items: baseline; flex-wrap: wrap; }
.vol-now span { font-size: 30px; font-weight: 700; color: var(--accent); margin-right: 8px; }
.vol-now small { color: var(--dim); }
.vol-grid { display: grid; grid-template-columns: auto auto; gap: 3px 18px; font-size: 13px; color: var(--dim); }
.vol-grid b { color: var(--tx); }
.vol-bar-wrap { height: 6px; background: #232b38; border-radius: 3px; margin: 12px 0 4px; }
#vol-bar { height: 100%; border-radius: 3px; background: var(--accent); width: 0; transition: width .4s; }
.vol-note { font-size: 11px; color: var(--dim); }

/* 警戒灯 */
#lamps { display: flex; flex-wrap: wrap; gap: 7px; }
.lamp { font-size: 12px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--dim); }
.lamp.on { background: #3d1512; border-color: #5a2320; color: #ff9d95; font-weight: 600; }
.lamp.off { color: #565f6e; }

/* 警报时间线 */
.alerts { max-height: 210px; overflow-y: auto; font-size: 12.5px; }
.alert-row { padding: 5px 0; border-bottom: 1px dashed var(--line); color: var(--dim); }
.alert-row .t { color: #565f6e; margin-right: 8px; font-variant-numeric: tabular-nums; }
.alert-row.trigger { color: #ff9d95; }
.alert-row.clear { color: var(--dn); }

/* 图注 */
.chart-note { font-size: 11px; color: var(--dim); margin-top: 6px; }

/* 信号区 */
#signal-body .sig-regime { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
#signal-body .sig-lean { margin-bottom: 10px; }
#signal-body .sig-why { color: var(--dim); font-size: 13px; margin-bottom: 12px; }
.sig-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.sig-table th, .sig-table td { text-align: right; padding: 5px 8px; border-bottom: 1px solid var(--line); }
.sig-table th { color: var(--dim); font-weight: 500; }
.sig-table td:first-child, .sig-table th:first-child { text-align: left; }
.sig-table tr.core td:first-child { color: var(--dn); font-weight: 600; }
.sig-table tr.rider td:first-child { color: var(--accent); }
.sig-510 { margin-top: 8px; color: var(--dim); font-size: 13px; }

/* 账本 */
.ledger-strip { display: flex; gap: 26px; align-items: baseline; padding: 14px 18px;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; font-size: 14px; color: var(--dim); flex-wrap: wrap; }
.ledger-strip b { font-size: 19px; margin-left: 6px; color: var(--tx); }
.ledger-strip b.up { color: var(--up); } .ledger-strip b.dn { color: var(--dn); }

footer { text-align: center; color: #565f6e; font-size: 11.5px; padding: 16px 0 26px; }