/* ============================================================
   513530 低点信号监控台 — 浅色终端风格
   ============================================================ */

:root {
  --bg: #F4F5F7;
  --card: #FFFFFF;
  --line: #E4E7EC;
  --line-soft: #EFF1F4;
  --ink: #101828;
  --ink2: #566074;
  --ink3: #8B95A7;
  --accent: #1B4F8A;
  --accent-soft: #EAF1F9;
  --ok: #0B7A5B;
  --ok-soft: #E7F4EF;
  --warn: #A86A12;
  --warn-soft: #FBF2E2;
  --bad: #B42318;
  --bad-soft: #FBEAE8;
  --idle: #7A8496;
  --idle-soft: #EFF1F4;

  --font-sans: "Sarasa Gothic SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Cascadia Mono", Consolas, "Courier New", monospace;

  --r-lg: 14px;
  --r-md: 10px;
  --r-sm: 7px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 6px 18px -12px rgba(16, 24, 40, .18);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body { padding-bottom: 40px; }

.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.dim { color: var(--ink3); font-weight: 400; }
.small { font-size: 11px; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 26px;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.tb-left { display: flex; align-items: center; gap: 12px; min-width: 0; }

.ticker {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: #fff;
  background: var(--accent);
  padding: 5px 9px;
  border-radius: var(--r-sm);
}

.titles h1 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  white-space: nowrap;
}

.titles .sub {
  margin-top: 2px;
  font-size: 11px;
  color: var(--ink3);
  white-space: nowrap;
}

.tb-quote { margin-left: auto; text-align: right; }
.q-main { display: flex; align-items: baseline; gap: 8px; justify-content: flex-end; }
.price { font-size: 24px; font-weight: 600; line-height: 1.1; }
.chg { font-size: 13px; font-weight: 600; }
.chg.up { color: var(--bad); }
.chg.down { color: var(--ok); }
.chg.flat { color: var(--ink2); }
.q-sub { font-size: 10.5px; color: var(--ink3); margin-top: 1px; }

.tb-signal {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
}
.ts-label { font-size: 11px; color: var(--ink3); }
.ts-value { font-size: 15px; font-weight: 700; }
.ts-slash { font-size: 11px; color: var(--ink3); font-family: var(--font-mono); }

.tb-actions { display: flex; align-items: center; gap: 8px; }

select, .btn {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--ink2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 6px 9px;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
select:hover, .btn:hover { border-color: #C7CDD8; color: var(--ink); }
.btn:active { background: var(--line-soft); }
.btn.busy { color: var(--ink3); cursor: progress; }

/* ---------- 状态条 ---------- */
.statusbar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 26px;
  font-size: 11.5px;
  color: var(--ink2);
  background: #FBFBFC;
  border-bottom: 1px solid var(--line-soft);
}
.sb-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink3);
  flex: 0 0 auto;
}
.statusbar.ok .sb-dot { background: var(--ok); box-shadow: 0 0 0 3px rgba(11, 122, 91, .12); }
.statusbar.warn .sb-dot { background: var(--warn); box-shadow: 0 0 0 3px rgba(168, 106, 18, .12); }
.statusbar.err .sb-dot { background: var(--bad); box-shadow: 0 0 0 3px rgba(180, 35, 24, .12); }

/* ---------- 布局 ---------- */
main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 26px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.card-head h2 {
  margin: 0;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .02em;
}
.hint { font-size: 11px; color: var(--ink3); }

.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink3);
}

/* ---------- 主信号区 ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 14px;
}

.signal-card {
  display: flex;
  flex-direction: column;
  padding: 18px 20px 16px;
}

.sc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tag {
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--idle-soft);
  color: var(--idle);
  border: 1px solid transparent;
  transition: all .25s;
}
.tag.buy { background: var(--ok-soft); color: var(--ok); border-color: rgba(11, 122, 91, .18); }
.tag.accum { background: var(--accent-soft); color: var(--accent); border-color: rgba(27, 79, 138, .16); }
.tag.watch { background: var(--warn-soft); color: var(--warn); border-color: rgba(168, 106, 18, .18); }
.tag.idle { background: var(--idle-soft); color: var(--idle); }

.gauge-wrap {
  position: relative;
  width: 188px;
  height: 188px;
  margin: 6px auto 2px;
}
.gauge { width: 100%; height: 100%; transform: rotate(-90deg); }
.g-track {
  fill: none;
  stroke: var(--line-soft);
  stroke-width: 12;
}
.g-arc {
  fill: none;
  stroke: var(--idle);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 0 528;
  transition: stroke-dasharray .6s cubic-bezier(.22, 1, .36, 1), stroke .3s;
}
.gauge-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
}
.count { font-size: 46px; font-weight: 600; line-height: 1; letter-spacing: -.03em; }
.count-den { font-size: 16px; color: var(--ink3); font-weight: 500; margin-left: 2px; }
.count-label { font-size: 11px; color: var(--ink3); letter-spacing: .04em; }

.verdict-desc {
  margin: 4px 4px 14px;
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--ink2);
  text-align: center;
  min-height: 44px;
}
.verdict-desc b { color: var(--ink); font-weight: 600; }

.expect {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
  margin-top: auto;
}
.ex-item { text-align: center; }
.ex-item b { display: block; font-size: 16px; font-weight: 600; }
.ex-item span { display: block; font-size: 10.5px; color: var(--ink3); margin-top: 2px; }

/* ---------- 下一步提示 ---------- */
.next-card { display: flex; flex-direction: column; }

.next-hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink2);
  padding: 12px 14px;
  background: #FBFBFC;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  margin: 10px 0 16px;
}
.next-hint b { color: var(--ink); font-weight: 600; }
.next-hint .hl { color: var(--warn); font-weight: 600; }
.next-hint .ok { color: var(--ok); font-weight: 600; }

.ladder-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 11.5px;
  color: var(--ink2);
  margin-bottom: 8px;
}

.ladder { display: flex; flex-direction: column; gap: 6px; }

.ladder-row {
  display: grid;
  grid-template-columns: 62px 1fr 84px;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  padding: 6px 8px;
  border-radius: var(--r-sm);
  background: #FBFBFC;
  border: 1px solid transparent;
}
.ladder-row.now { background: var(--accent-soft); border-color: rgba(27, 79, 138, .16); }
.ladder-row .lv { font-family: var(--font-mono); font-weight: 600; color: var(--ink2); }
.ladder-row .lv.hot { color: var(--ok); }
.ladder-row .desc { color: var(--ink2); font-size: 11.5px; }
.ladder-row .px { font-family: var(--font-mono); font-weight: 600; text-align: right; font-size: 12px; }
.ladder-row .px em { font-style: normal; font-size: 10.5px; color: var(--ink3); font-weight: 400; }

.note {
  margin-top: 12px;
  font-size: 10.5px;
  line-height: 1.65;
  color: var(--ink3);
}

/* ---------- 条件明细 ---------- */
.cond-list { display: flex; flex-direction: column; gap: 3px; }

.cond {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) 104px 208px 48px;
  align-items: center;
  gap: 10px;
  padding: 11px 8px;
  border-bottom: 1px solid var(--line-soft);
}
.cond:last-child { border-bottom: none; }

.c-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #fff;
  border: 1.5px solid #CFD5DF;
  margin: 0 auto;
  transition: all .25s;
}
.cond.on .c-dot { background: var(--ok); border-color: var(--ok); box-shadow: 0 0 0 3px rgba(11, 122, 91, .13); }

.c-title { font-size: 12.5px; font-weight: 500; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.c-formula { font-size: 10.5px; color: var(--ink3); font-family: var(--font-mono); }

.c-bar {
  position: relative;
  height: 6px;
  background: var(--line-soft);
  border-radius: 3px;
  margin-top: 7px;
  overflow: visible;
}
.c-bar i {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  border-radius: 3px;
  background: #CFD5DF;
  transition: width .5s ease, background .25s;
}
.cond.on .c-bar i { background: rgba(11, 122, 91, .55); }
.c-bar u {
  position: absolute;
  top: -3px; bottom: -3px;
  width: 2px;
  background: var(--ink3);
  border-radius: 1px;
  opacity: .65;
}

.c-val { text-align: right; font-size: 12.5px; }
.c-val b { display: block; font-family: var(--font-mono); font-weight: 600; }
.c-val span { display: block; font-size: 10.5px; color: var(--ink3); margin-top: 1px; }

/* 构成数值（原始参照量） */
.c-raw {
  text-align: right;
  font-size: 11px;
  color: var(--ink2);
  line-height: 1.5;
  border-left: 1px solid var(--line-soft);
  padding-left: 10px;
}
.c-raw b { font-family: var(--font-mono); font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.c-raw span { display: block; font-size: 10px; color: var(--ink3); }
.c-raw em { display: block; font-style: normal; font-size: 10px; color: var(--ink3); }
.c-raw em.expire { color: var(--warn); font-weight: 600; }

.c-state {
  text-align: right;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink3);
}
.cond.on .c-state { color: var(--ok); }

/* ---------- 图表 ---------- */
.seg {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.seg button {
  border: 0;
  background: #fff;
  color: var(--ink3);
  font-family: var(--font-sans);
  font-size: 11.5px;
  padding: 5px 11px;
  cursor: pointer;
  border-right: 1px solid var(--line);
}
.seg button:last-child { border-right: 0; }
.seg button:hover { color: var(--ink); }
.seg button.on { background: var(--accent); color: #fff; }

.chart { width: 100%; min-height: 340px; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }

.legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--ink2);
  padding-top: 4px;
}
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.lg-line { width: 16px; height: 2px; border-radius: 1px; display: inline-block; }
.lg-line.price { background: var(--accent); }
.lg-line.ma { background: #E0921E; }
.lg-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); display: inline-block; }
.lg-band { width: 14px; height: 9px; background: rgba(11, 122, 91, .12); border-left: 2px solid rgba(11, 122, 91, .45); display: inline-block; }
.lg-band.b3 { background: rgba(11, 122, 91, .12); border-left-color: rgba(11, 122, 91, .45); }
.lg-band.b4 { background: rgba(224, 146, 30, .22); border-left-color: #E0921E; }
.lg-band.b5 { background: rgba(180, 35, 24, .28); border-left-color: #B42318; }

/* 信号档位徽标（历史表） */

/* ---------- 迷你指标 ---------- */
.mini-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.mini { padding: 14px 16px 10px; }
.mini-head { display: flex; justify-content: space-between; align-items: baseline; font-size: 11.5px; color: var(--ink2); }
.mini-head b { font-size: 15px; font-weight: 600; color: var(--ink); }
.spark { margin: 6px 0 2px; height: 76px; }
.spark svg { display: block; width: 100%; height: 100%; }
.mini-foot { font-size: 10.5px; color: var(--ink3); border-top: 1px solid var(--line-soft); padding-top: 6px; }
.mini-foot b { color: var(--ink2); font-weight: 600; }

/* ---------- 参照 ---------- */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: 10px;
}
.ref {
  padding: 12px 14px;
  background: #FBFBFC;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}
.ref span { display: block; font-size: 11px; color: var(--ink3); }
.ref b { display: block; font-size: 19px; font-weight: 600; margin: 5px 0 2px; }
.ref i { font-style: normal; font-size: 10.5px; color: var(--ink3); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; margin: 0 -4px; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { padding: 8px 8px; text-align: left; white-space: nowrap; border-bottom: 1px solid var(--line-soft); }
th {
  font-weight: 600;
  font-size: 10.5px;
  color: var(--ink3);
  letter-spacing: .04em;
  border-bottom: 1px solid var(--line);
  background: #fff;
  position: sticky;
  top: 0;
}
td.r, th.r { text-align: right; }
td { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--ink2); }
td:first-child { color: var(--ink); }
tbody tr:hover { background: #FAFBFC; }
td.pos { color: var(--ok); font-weight: 600; }
td.neg { color: var(--bad); font-weight: 600; }
td.muted { color: var(--ink3); }
td .badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--idle-soft);
  color: var(--idle);
}
td .badge.b3 { background: rgba(11, 122, 91, .10); color: #0B7A5B; }
td .badge.b4 { background: rgba(224, 146, 30, .18); color: #A86400; }
td .badge.b5 { background: rgba(180, 35, 24, .14); color: #B42318; }
td.empty { text-align: center; color: var(--ink3); padding: 26px 0; font-family: var(--font-sans); }

.hist-summary {
  display: flex;
  gap: 26px;
  flex-wrap: wrap;
  padding-top: 14px;
  margin-top: 6px;
  border-top: 1px solid var(--line-soft);
  font-size: 11.5px;
  color: var(--ink2);
}
.hist-summary b { font-family: var(--font-mono); color: var(--ink); font-weight: 600; }

.small-table th, .small-table td { padding: 5px 6px; font-size: 11.5px; }
.small-table th { position: static; background: transparent; }

/* ---------- 方法说明 ---------- */
.method-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1.35fr;
  gap: 26px;
  font-size: 12px;
  line-height: 1.75;
  color: var(--ink2);
}
.method-grid h3 {
  margin: 0 0 8px;
  font-size: 11.5px;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: .03em;
}
.m-list { margin: 0; padding-left: 17px; }
.m-list li { margin-bottom: 5px; }
.m-list b { color: var(--ink); font-weight: 600; }

.disclaimer {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 11px;
  line-height: 1.7;
  color: var(--ink3);
}

/* ---------- 页脚 ---------- */
.foot {
  max-width: 1180px;
  margin: 18px auto 0;
  padding: 0 26px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 11px;
  color: var(--ink2);
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .mini-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ref-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .method-grid { grid-template-columns: 1fr; gap: 18px; }
}

@media (max-width: 720px) {
  .topbar { padding: 10px 14px; gap: 10px; }
  .titles .sub { display: none; }
  .titles h1 { font-size: 13px; white-space: normal; }
  .ticker { font-size: 11.5px; padding: 4px 7px; }
  .price { font-size: 19px; }
  .tb-quote { margin-left: auto; }
  .tb-signal { display: none; }
  .tb-actions { width: 100%; justify-content: flex-end; }
  main { padding: 12px 14px 0; }
  .statusbar { padding: 6px 14px; }
  .card { padding: 14px 14px; border-radius: 12px; }
  .gauge-wrap { width: 156px; height: 156px; }
  .count { font-size: 38px; }
  .cond { grid-template-columns: 16px minmax(0, 1fr) 76px 112px; gap: 8px; padding: 10px 4px; }
  .c-raw { font-size: 10px; padding-left: 6px; }
  .c-raw span, .c-raw em { font-size: 9px; }
  .c-state { display: none; }
  .c-val b { font-size: 12px; }
  .c-val span { font-size: 9.5px; }
  .c-formula { display: none; }
  .ladder-row { grid-template-columns: 56px 1fr 74px; font-size: 11px; }
  .foot { padding: 0 14px; }
}