:root {
  --bg: #0b0e13;
  --panel: #12161e;
  --panel2: #171c26;
  --border: #202836;
  --text: #e9eef5;
  --muted: #8b95a7;
  --green: #2ebd85;
  --green-bg: rgba(46, 189, 133, 0.12);
  --red: #f6465d;
  --red-bg: rgba(246, 70, 93, 0.12);
  --gold: #f4b728;
  --gold-dim: rgba(244, 183, 40, 0.14);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 1180px; margin: 0 auto; padding: 16px; display: flex; flex-direction: column; gap: 16px; }

/* Top bar */
.topbar {
  display: flex; align-items: center; gap: 20px;
  padding: 10px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo { width: 34px; height: 34px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: 0.2px; }
.brand-sub { font-size: 11px; color: var(--muted); }
.ex-tabs { display: flex; gap: 6px; margin-left: 8px; }
.ex-tab, .tf-btn {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 600;
}
.ex-tab:hover, .tf-btn:hover { color: var(--text); border-color: var(--gold); }
.ex-tab.active, .tf-btn.active { background: var(--gold-dim); border-color: var(--gold); color: var(--gold); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
#curSel {
  background: var(--panel2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; font-size: 13px; font-weight: 600; cursor: pointer;
}
.conn { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--muted); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--gold); }
.dot.live { background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 2s infinite; }
.dot.down { background: var(--red); }
@keyframes pulse { 50% { opacity: 0.55; } }

/* Panels */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}
.panel h2 { margin: 0 0 12px; font-size: 14px; font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase; color: var(--muted); }
.panel-hint { font-size: 11px; color: var(--muted); font-weight: 400; text-transform: none; letter-spacing: 0; }

/* Hero */
.hero { display: flex; gap: 24px; flex-wrap: wrap; align-items: stretch; }
.hero-left { flex: 1 1 420px; }
.pair-line { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
#pairLabel { font-size: 14px; font-weight: 700; color: var(--muted); letter-spacing: 1px; }
.ex-label { font-size: 11px; background: var(--gold-dim); color: var(--gold); padding: 3px 9px; border-radius: 20px; font-weight: 700; }
.price { font-size: clamp(44px, 7vw, 68px); font-weight: 800; letter-spacing: -1px; line-height: 1.05; transition: color 0.25s; }
.price.tick-up { color: var(--green); }
.price.tick-down { color: var(--red); }
.hero-stats { display: flex; gap: 26px; margin-top: 14px; flex-wrap: wrap; }
.hstat { display: flex; flex-direction: column; gap: 3px; }
.hstat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; }
.hstat-val { font-size: 17px; font-weight: 700; }
.hero-right { flex: 0 1 240px; display: flex; flex-direction: column; justify-content: center; gap: 10px; border-left: 1px solid var(--border); padding-left: 24px; }
.best-row { display: flex; justify-content: space-between; font-size: 14px; color: var(--muted); }
.best-row strong { font-size: 16px; }
.up { color: var(--green); } .down { color: var(--red); }
.hero-note { font-size: 11px; color: var(--muted); }

/* Main grid */
.grid-main { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.col-right { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.book-head, .book-row, .trades-head, .trade-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px;
  font-size: 13px; padding: 3px 6px;
}
.book-head, .trades-head { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--border); padding-bottom: 8px; margin-bottom: 6px; }
.book-head span:nth-child(2), .book-head span:nth-child(3),
.book-row span:nth-child(2), .book-row span:nth-child(3),
.trades-head span:nth-child(2), .trades-head span:nth-child(3),
.trade-row span:nth-child(2), .trade-row span:nth-child(3) { text-align: right; }
.book-row { position: relative; border-radius: 4px; }
.book-row .bar { position: absolute; top: 0; bottom: 0; right: 0; border-radius: 4px; z-index: 0; }
.book-row span { position: relative; z-index: 1; }
#asks .book-row { color: var(--red); } #asks .bar { background: var(--red-bg); }
#bids .book-row { color: var(--green); } #bids .bar { background: var(--green-bg); }
.book-spread { text-align: center; padding: 8px; margin: 6px 0; font-size: 13px; color: var(--muted); border-top: 1px dashed var(--border); border-bottom: 1px dashed var(--border); }
canvas { width: 100%; display: block; }
#trades { max-height: 220px; overflow: hidden; }
.trade-row { border-radius: 4px; }
.trade-row:nth-child(odd) { background: rgba(255,255,255,0.02); }

/* Chart */
.chart-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; flex-wrap: wrap; gap: 8px; }
.chart-head h2 { margin: 0; }
.tf-tabs { display: flex; gap: 6px; }
.ohlc { margin-top: 8px; font-size: 12px; color: var(--muted); display: flex; gap: 16px; flex-wrap: wrap; }
.ohlc b { color: var(--text); }

/* Trio */
.grid-trio { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.alert-row { display: flex; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.alert-row label { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.alert-row input {
  width: 110px; background: var(--panel2); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 8px 10px; font-size: 14px;
}
.btn {
  background: var(--gold); border: none; color: #111; font-weight: 700;
  padding: 8px 16px; border-radius: 8px; cursor: pointer; font-size: 13px;
}
.btn:hover { filter: brightness(1.08); }
.alert-toggles { display: flex; gap: 16px; margin: 4px 0 10px; font-size: 13px; color: var(--muted); }
.chk { display: flex; align-items: center; gap: 7px; cursor: pointer; }
.alerts-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.alerts-list li {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--panel2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; font-size: 13px;
}
.alerts-list li.fired { border-color: var(--gold); }
.alerts-list .rm { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 15px; }
.alerts-list .rm:hover { color: var(--red); }
.muted { color: var(--muted); font-size: 13px; }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat { display: flex; flex-direction: column; gap: 4px; background: var(--panel2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-val { font-size: 16px; font-weight: 700; }

.news-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.news-list a { color: var(--text); text-decoration: none; font-size: 13.5px; line-height: 1.4; }
.news-list a:hover { color: var(--gold); }
.news-list .src { display: block; font-size: 11px; color: var(--muted); margin-top: 2px; }

footer {
  max-width: 1180px; margin: 0 auto; padding: 18px 16px 34px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: var(--muted); font-size: 12px;
}

@media (max-width: 900px) {
  .grid-main, .grid-trio { grid-template-columns: 1fr; }
  .hero-right { border-left: none; padding-left: 0; border-top: 1px solid var(--border); padding-top: 16px; }
  .topbar { gap: 12px; }
}