:root {
  color-scheme: dark;
  --bg: #111418;
  --panel: #191e24;
  --panel-2: #20262e;
  --line: #343d48;
  --text: #f3f5f7;
  --muted: #9aa6b2;
  --up: #ef5350;
  --down: #25b36a;
  --cyan: #47c7d8;
  --amber: #e7ad3c;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  letter-spacing: 0;
}
button, a { font: inherit; }

.stock-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 64px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto 42px;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  background: #151a20;
  border-bottom: 1px solid var(--line);
}
.icon-button {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  font-size: 25px;
  text-decoration: none;
  cursor: pointer;
}
.icon-button:hover { border-color: var(--line); background: var(--panel-2); }
.symbol-title { min-width: 0; display: flex; align-items: baseline; gap: 10px; }
.symbol-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 20px; }
.symbol-title span { color: var(--muted); font-size: 13px; }
.live-state { display: flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; }
.live-state i { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }
.live-state.online i { background: var(--down); box-shadow: 0 0 0 4px rgba(37,179,106,.12); }
.live-state.error i { background: var(--up); }

.stock-shell { width: min(1380px, 100%); margin: 0 auto; padding: 14px 16px 30px; }
.quote-strip {
  display: grid;
  grid-template-columns: minmax(180px, 250px) minmax(0, 1fr);
  border: 1px solid var(--line);
  background: var(--panel);
}
.quote-primary { padding: 18px 20px; border-right: 1px solid var(--line); }
.quote-primary strong { display: block; font-size: 38px; line-height: 1.05; font-variant-numeric: tabular-nums; }
.quote-primary span { display: block; margin-top: 8px; font-size: 16px; font-weight: 700; }
.up { color: var(--up) !important; }
.down { color: var(--down) !important; }
.flat { color: var(--text) !important; }
.quote-metrics { margin: 0; padding: 12px 16px; display: grid; grid-template-columns: repeat(4, minmax(100px, 1fr)); gap: 8px 14px; }
.quote-metrics div { display: flex; justify-content: space-between; gap: 8px; min-width: 0; }
.quote-metrics dt { color: var(--muted); font-size: 12px; }
.quote-metrics dd { margin: 0; overflow: hidden; text-overflow: ellipsis; color: var(--text); font-size: 13px; font-variant-numeric: tabular-nums; white-space: nowrap; }

.market-workspace {
  width: 100%;
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 230px;
  margin-top: 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}
.chart-column { min-width: 0; border-right: 1px solid var(--line); }
.period-tabs { min-height: 48px; display: flex; align-items: stretch; border-bottom: 1px solid var(--line); overflow-x: auto; }
.period-tabs button { min-width: 72px; padding: 0 14px; border: 0; border-right: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; }
.period-tabs button.active { color: var(--text); background: var(--panel-2); box-shadow: inset 0 -3px 0 var(--up); }

.chart-options {
  min-height: 44px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding: 7px 12px;
  border-bottom: 1px solid var(--line);
  background: #171c22;
}
.option-group { min-width: 0; display: flex; align-items: center; gap: 8px; }
.indicator-option-group { min-width: 0; flex: 1 1 300px; }
.option-label { color: var(--muted); font-size: 12px; white-space: nowrap; }
.option-group small { color: #778490; font-size: 11px; white-space: nowrap; }
.option-buttons { min-width: 0; display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
#main-indicator-tabs, #sub-indicator-tabs {
  width: 0;
  max-width: 100%;
  flex: 1 1 0;
  flex-wrap: nowrap;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
  padding-bottom: 2px;
}
#main-indicator-tabs button, #sub-indicator-tabs button { flex: 0 0 auto; }
.option-buttons button {
  min-height: 28px;
  padding: 3px 10px;
  border: 1px solid #3b4652;
  border-radius: 3px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
}
.option-buttons button:hover:not(:disabled) { border-color: #647384; color: var(--text); }
.option-buttons button.active,
.option-buttons button[aria-checked="true"],
.option-buttons button[aria-pressed="true"] { border-color: var(--cyan); background: rgba(71,199,216,.12); color: var(--text); }
.option-buttons button:disabled { cursor: not-allowed; opacity: .42; }

.chart-toolbar, .panel-head, .subchart-toolbar {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 12px;
  color: var(--muted);
  font-size: 12px;
  border-bottom: 1px solid var(--line);
}
.chart-toolbar > span { min-width: 0; }
#chart-period-label { white-space: nowrap; }
#chart-range { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: right; }
.series-legend { flex: 1; display: flex; align-items: center; gap: 10px; overflow: hidden; color: var(--muted); white-space: nowrap; }
.legend-item { display: inline-flex; align-items: center; gap: 4px; }
.legend-item::before { width: 9px; height: 2px; flex: none; background: var(--series-color, var(--muted)); content: ""; }

.chart-stage {
  position: relative;
  height: 460px;
  min-height: 320px;
  overflow: hidden;
  touch-action: pan-y;
  cursor: grab;
  background-color: #14191f;
  background-image: linear-gradient(rgba(100,116,139,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(100,116,139,.12) 1px, transparent 1px);
  background-size: 100% 25%, 16.666% 100%;
}
.chart-stage.is-dragging { cursor: grabbing; user-select: none; }
.chart-stage:focus-visible { outline: 2px solid var(--cyan); outline-offset: -2px; }
.chart-stage svg, .subchart-stage svg { width: 100%; height: 100%; display: block; }
.loading-state { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font-size: 13px; }
.chart-axis { fill: var(--muted); font-size: 11px; }
.chart-line { fill: none; stroke: #e4e9ee; stroke-width: 1.5; vector-effect: non-scaling-stroke; }
.chart-area { fill: url(#lineArea); }
.indicator-line { fill: none; stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.candle-up { fill: transparent; stroke: var(--up); }
.candle-down { fill: var(--down); stroke: var(--down); }
.candle-wick { stroke-width: 1; vector-effect: non-scaling-stroke; }
.cycle-current-guide line, .cycle-current-guide circle { vector-effect: non-scaling-stroke; }
.cycle-stage-card {
  --cycle-stage-color: #9aa6b2;
  position: absolute;
  z-index: 4;
  top: 10px;
  left: 10px;
  width: min(560px, calc(100% - 78px));
  padding: 10px 12px;
  border: 1px solid #46515e;
  border-left: 4px solid var(--cycle-stage-color);
  background: rgba(17,20,24,.92);
  box-shadow: 0 5px 18px rgba(0,0,0,.24);
  pointer-events: auto;
}
.cycle-stage-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.cycle-stage-heading span { color: var(--muted); font-size: 11px; font-weight: 700; }
.cycle-stage-heading strong { color: var(--cycle-stage-color); font-size: 15px; line-height: 1.35; text-align: right; }
.cycle-stage-track { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; margin-top: 8px; }
.cycle-stage-step { position: relative; min-width: 0; min-height: 38px; padding: 4px 3px; display: grid; place-items: center; gap: 1px; border: 1px solid #46515e; border-top: 3px solid #46515e; border-radius: 3px; background: rgba(13,19,26,.86); color: #8d99a5; font: inherit; cursor: pointer; touch-action: manipulation; -webkit-tap-highlight-color: rgba(255,255,255,.12); }
.cycle-stage-step b { font-size: 10px; line-height: 1; }
.cycle-stage-step em { overflow: hidden; width: 100%; font-size: 9px; font-style: normal; line-height: 1.15; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
.cycle-stage-step:hover,.cycle-stage-step:focus-visible { border-color: var(--step-color); color: var(--step-color); outline: none; }
.cycle-stage-step.current { border-top-color: var(--step-color); color: var(--step-color); }
.cycle-stage-step.selected { border-color: var(--step-color); background: color-mix(in srgb, var(--step-color) 22%, rgba(13,19,26,.9)); box-shadow: 0 0 0 1px var(--step-color) inset; color: var(--step-color); }
.cycle-stage-card p { margin: 7px 0 0; color: #d7dde3; font-size: 11px; line-height: 1.45; }
.cycle-stage-card small { display: block; margin-top: 4px; overflow: hidden; color: #778490; font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.cycle-stage-highlight-label { font-size: 10px; font-weight: 800; paint-order: stroke; stroke: #0b1118; stroke-width: 3px; }

.subchart-toolbar { min-height: 42px; border-top: 1px solid var(--line); }
.subchart-heading { min-width: 0; width: 100%; display: flex; align-items: center; gap: 10px; }
.subchart-heading strong { color: var(--text); font-size: 12px; }
.subchart-toolbar .series-legend { justify-content: flex-end; text-align: right; }
.subchart-stage {
  position: relative;
  height: 190px;
  min-height: 150px;
  overflow: hidden;
  background-color: #14191f;
  background-image: linear-gradient(rgba(100,116,139,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(100,116,139,.12) 1px, transparent 1px);
  background-size: 100% 50%, 16.666% 100%;
}
.empty-indicator { position: absolute; inset: 0; display: grid; place-items: center; padding: 18px; color: var(--muted); text-align: center; font-size: 12px; }

.tape-column { min-width: 0; }
.panel-head strong { color: var(--text); font-size: 13px; }
.order-book { width: 100%; min-width: 0; padding: 8px 12px; }
.book-row { height: 30px; display: grid; grid-template-columns: 34px 1fr 56px; align-items: center; gap: 8px; font-size: 13px; font-variant-numeric: tabular-nums; }
.book-row span:nth-child(2), .book-row span:nth-child(3) { text-align: right; }
.book-row .ask { color: var(--down); }
.book-row .bid { color: var(--up); }
.book-divider { height: 1px; margin: 5px 0; background: var(--line); }
.trades-head { margin-top: 4px; border-top: 1px solid var(--line); }
.trade-placeholder { padding: 16px 12px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.status-panel { margin-top: 12px; padding: 12px 14px; border: 1px solid #765a24; background: #2a251a; }
.status-panel p { margin: 6px 0 0; color: #e7c878; font-size: 12px; }

@media (max-width: 900px) {
  .stock-shell { padding: 8px 8px 24px; }
  .quote-strip { grid-template-columns: 1fr; }
  .quote-primary { border-right: 0; border-bottom: 1px solid var(--line); }
  .quote-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .market-workspace { grid-template-columns: 1fr; }
  .chart-column { border-right: 0; }
  .chart-stage { height: 390px; }
  .tape-column { border-top: 1px solid var(--line); }
}

@media (max-width: 620px) {
  .stock-header { height: 56px; grid-template-columns: 38px minmax(0, 1fr) 38px; padding: 0 7px; }
  .live-state { display: none; }
  .symbol-title { gap: 7px; }
  .symbol-title strong { font-size: 17px; }
  .quote-primary { padding: 14px; }
  .quote-primary strong { font-size: 34px; }
  .quote-metrics { padding: 10px 12px; gap: 7px 10px; }
  .period-tabs button { min-width: 52px; padding: 0 6px; }
  .chart-options { align-items: flex-start; gap: 7px; }
  .option-group { width: 100%; flex-wrap: wrap; }
  .indicator-option-group { flex-wrap: nowrap; }
  .option-group small { width: 100%; padding-left: 40px; }
  .chart-toolbar { flex-wrap: wrap; padding-top: 6px; padding-bottom: 6px; }
  .chart-toolbar .series-legend { order: 3; flex-basis: 100%; }
  .chart-stage { height: 340px; }
  .cycle-stage-card { top: 7px; left: 7px; width: calc(100% - 14px); padding: 8px 9px; }
  .cycle-stage-heading { align-items: flex-start; flex-direction: column; gap: 1px; }
  .cycle-stage-heading strong { font-size: 13px; text-align: left; }
  .cycle-stage-card p { margin-top: 5px; font-size: 10px; }
  .cycle-stage-card small { display: none; }
  .cycle-stage-track { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); overflow: visible; padding-bottom: 0; }
  .cycle-stage-step { min-width: 0; min-height: 42px; }
  .cycle-stage-step em { display: -webkit-box; overflow: hidden; white-space: normal; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
  .subchart-toolbar { align-items: flex-start; flex-direction: column; padding-top: 7px; padding-bottom: 7px; }
  .subchart-toolbar .series-legend { justify-content: flex-start; }
  .subchart-stage { height: 170px; }
}