:root {
  --bg: #0b0e14;
  --surface: #131722;
  --surface-2: #1a1f2b;
  --border: #252b3a;
  --ink: #e6e9ef;
  --ink-2: #a3acbd;
  --ink-3: #6c768a;
  --gold: #f0b90b;
  --up: #2ebd85;
  --down: #f6465d;
  --s-sma7: #4c9aff;
  --s-sma30: #c58af9;
  --s-bb: #6c768a;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", "Segoe UI Mono", Consolas, monospace;
  --sans: Inter, "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h2 { margin: 0; font-size: 14px; font-weight: 600; letter-spacing: .01em; }
.muted { color: var(--ink-3); font-size: 12px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ── top bar ── */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 28px;
  padding: 10px 20px;
  background: rgba(11, 14, 20, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-name { font-weight: 700; letter-spacing: .08em; font-size: 16px; }
.brand-name b { color: var(--gold); }
.brand-sub { color: var(--ink-3); font-size: 12px; padding-left: 10px; border-left: 1px solid var(--border); }
.nav { display: flex; gap: 20px; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: 13px; }
.nav a:hover { color: var(--ink); }
.status { margin-left: auto; display: flex; align-items: center; gap: 16px; font-size: 12px; color: var(--ink-2); }
.pill { display: inline-flex; align-items: center; gap: 7px; padding: 4px 10px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ink-3); }
.pill.live .dot { background: var(--up); box-shadow: 0 0 0 3px rgba(46, 189, 133, .18); }
.pill.stale .dot { background: var(--gold); }
.pill.err .dot { background: var(--down); }
.countdown b { font-family: var(--mono); color: var(--ink); font-weight: 500; }

.banner { margin: 12px 20px 0; padding: 10px 14px; border: 1px solid var(--down); border-radius: 8px; background: rgba(246, 70, 93, .08); color: var(--ink); font-size: 13px; }

/* ── quote header ── */
.quote { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px 48px; padding: 20px 20px 16px; }
.pair { display: flex; align-items: baseline; gap: 10px; }
.pair-sym { font-weight: 600; font-size: 15px; }
.pair-id { color: var(--ink-3); font: 11px var(--mono); }
.price-row { display: flex; align-items: baseline; gap: 14px; margin-top: 2px; }
.price { font-size: 40px; font-weight: 600; letter-spacing: -.01em; font-variant-numeric: tabular-nums; line-height: 1.1; }
.price-sub { color: var(--ink-3); font-size: 12px; margin-top: 4px; }
.quote-stats { display: flex; flex-wrap: wrap; gap: 10px 30px; margin: 0; }
.quote-stats dt { color: var(--ink-3); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.quote-stats dd { margin: 2px 0 0; font-size: 14px; font-weight: 500; font-variant-numeric: tabular-nums; }
.quote-stats dd small { display: block; color: var(--ink-3); font-size: 11px; font-weight: 400; }

.chg, .up, .down, .flat { font-variant-numeric: tabular-nums; }
.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--ink-2); }
.ink { color: var(--ink); }
.chg { font-size: 16px; font-weight: 500; }

/* ── layout ── */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 14px; padding: 0 20px 20px; align-items: start; }
.col-main, .col-side { display: grid; gap: 14px; min-width: 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px 16px; min-width: 0; scroll-margin-top: 64px; }
.card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }

/* ── chart ── */
.chart-card { padding: 10px 0 8px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; padding: 0 12px 10px; border-bottom: 1px solid var(--border); }
.seg { display: inline-flex; background: var(--surface-2); border-radius: 7px; padding: 2px; }
.seg button, .tog, .btn {
  font: 500 12px var(--sans); color: var(--ink-2);
  background: none; border: 0; border-radius: 5px; padding: 5px 10px; cursor: pointer;
}
.seg button:hover, .tog:hover { color: var(--ink); }
.seg button.on { background: #2a3142; color: var(--ink); }
.toggles { display: flex; flex-wrap: wrap; gap: 6px; margin-left: auto; }
.tog { border: 1px solid var(--border); display: inline-flex; align-items: center; gap: 6px; }
.tog.on { color: var(--ink); border-color: #3a4358; background: var(--surface-2); }
.btn { border: 1px solid var(--border); }
.btn:hover { color: var(--ink); border-color: #3a4358; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--gold); outline-offset: 1px; }
.sw { display: inline-block; width: 14px; height: 0; border-top: 2px solid var(--c); }
.sw.dashed { border-top-style: dashed; }
.box { display: inline-block; width: 12px; height: 10px; border-radius: 2px; background: rgba(240, 185, 11, var(--o)); }

.chart-wrap { position: relative; }
.chart { height: 420px; }
.chart-sm { height: 120px; }
.legend {
  position: absolute; z-index: 3; top: 8px; left: 14px; right: 100px;
  display: flex; flex-wrap: wrap; gap: 2px 14px;
  font-size: 12px; color: var(--ink-2); pointer-events: none; font-variant-numeric: tabular-nums;
}
.legend b { color: var(--ink); font-weight: 500; }
.legend .sw { margin-right: 5px; vertical-align: middle; }
.pane-title { padding: 8px 14px 2px; font-size: 12px; color: var(--ink-2); border-top: 1px solid var(--border); }
.legend-inline { margin-left: 12px; font-variant-numeric: tabular-nums; }

/* ── forecast ── */
.fc-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.fan-wrap { position: relative; }
#fan { display: block; width: 100%; height: 320px; }
#fan text { font: 11px var(--sans); fill: var(--ink-3); }
.tip {
  position: absolute; z-index: 5; top: 8px; pointer-events: none;
  background: #1e2431; border: 1px solid #3a4358; border-radius: 6px; padding: 7px 10px;
  font-size: 12px; white-space: nowrap; box-shadow: 0 6px 20px rgba(0, 0, 0, .4);
}
.tip div { display: flex; justify-content: space-between; gap: 16px; color: var(--ink-2); }
.tip div b { color: var(--ink); font-weight: 500; font-variant-numeric: tabular-nums; }
.tip .tip-h { color: var(--ink); font-weight: 600; margin-bottom: 3px; }
.legend-row { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 12px; font-size: 12px; color: var(--ink-2); }
.legend-row span { display: inline-flex; align-items: center; gap: 6px; }
.note { color: var(--ink-3); font-size: 12px; margin: 12px 0 0; }

/* ── tables ── */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { color: var(--ink-3); font-size: 11px; font-weight: 500; text-transform: uppercase; letter-spacing: .05em; text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); }
.tbl th.num { text-align: right; }
.tbl td { padding: 7px 8px; border-bottom: 1px solid #1c2130; font-variant-numeric: tabular-nums; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl.compact td { padding: 6px 2px; }
.tbl.compact td:first-child { color: var(--ink-2); }
.tbl-scroll { max-height: 420px; overflow: auto; }
.tbl-scroll thead th { position: sticky; top: 0; background: var(--surface); }
.badge { display: inline-block; min-width: 58px; text-align: center; padding: 1px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; border: 1px solid currentColor; }

/* ── sidebar ── */
.field { display: block; }
.field span { display: block; color: var(--ink-3); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }
.field input {
  width: 100%; padding: 10px 12px; border-radius: 7px; border: 1px solid var(--border);
  background: var(--bg); color: var(--ink); font: 500 16px var(--mono);
}
.swap { text-align: center; color: var(--ink-3); padding: 4px 0; }

.gauge-track { position: relative; height: 8px; border-radius: 4px; background: linear-gradient(90deg, var(--down), #3a4358 50%, var(--up)); }
.gauge-track i { position: absolute; top: -5px; width: 4px; height: 18px; margin-left: -2px; border-radius: 2px; background: var(--ink); box-shadow: 0 0 0 2px var(--surface); left: 50%; transition: left .4s; }
.gauge-labels { display: flex; justify-content: space-between; color: var(--ink-3); font-size: 11px; margin-top: 8px; }
.gauge-verdict { text-align: center; font-size: 20px; font-weight: 600; margin: 6px 0 10px; }

.kv { margin: 0; display: grid; grid-template-columns: auto auto; gap: 8px 12px; font-size: 13px; }
.kv dt { color: var(--ink-2); }
.kv dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.kv dd small { color: var(--ink-3); margin-left: 4px; }

.wk { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; height: 150px; }
.wk-col { display: grid; grid-template-rows: 16px 1fr 1fr 16px; text-align: center; font-size: 11px; color: var(--ink-2); min-width: 0; }
.wk-col .v { font-variant-numeric: tabular-nums; color: var(--ink); font-size: 10.5px; }
.wk-col .posz, .wk-col .negz { display: flex; justify-content: center; }
.wk-col .posz { align-items: flex-end; border-bottom: 1px solid var(--border); }
.wk-col .negz { align-items: flex-start; }
.wk-col i { display: block; width: 60%; max-width: 22px; min-height: 0; }
.wk-col .posz i { background: var(--up); border-radius: 3px 3px 0 0; }
.wk-col .negz i { background: var(--down); border-radius: 0 0 3px 3px; }

.footer { padding: 8px 20px 28px; color: var(--ink-3); font-size: 12px; max-width: 900px; }
.footer p { margin: 6px 0; }

@media (max-width: 1100px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .fc-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 720px) {
  .nav, .brand-sub { display: none; }
  .topbar { gap: 12px; padding: 10px 14px; }
  .quote, .layout { padding-left: 12px; padding-right: 12px; }
  .price { font-size: 32px; }
  .toggles { margin-left: 0; }
  .chart { height: 320px; }
  .chart-sm { height: 100px; }
}

/* ── headings / FAQ ── */
h1.pair-sym { margin: 0; font-size: 15px; font-weight: 600; }
h1.pair-sym span { color: var(--ink-3); font-weight: 500; font-size: 12px; margin-left: 6px; }
.faq h3 { margin: 14px 0 4px; font-size: 13px; font-weight: 600; }
.faq h3:first-of-type { margin-top: 0; }
.faq p { margin: 0; color: var(--ink-2); font-size: 13px; max-width: 75ch; }
.faq p b { color: var(--ink); font-weight: 600; }