:root{--bg:#131722;--pn:#171b26;--ln:#2a2e39;--tx:#d1d4dc;--mu:#787b86;--up:#26a69a;--dn:#ef5350;--ac:#2962ff}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--tx);font:13px/1.3 -apple-system,BlinkMacSystemFont,"Trebuchet MS",Roboto,Ubuntu,sans-serif;-webkit-text-size-adjust:100%}
body{display:flex;flex-direction:column;height:100dvh;overflow:hidden}
b{font-weight:600}
.hdr{display:flex;align-items:center;gap:18px;padding:8px 12px;border-bottom:1px solid var(--ln);background:var(--bg);flex-wrap:wrap}
.sym-name{font-weight:700;font-size:16px;letter-spacing:.3px}
.perp{font-size:10px;color:var(--mu);border:1px solid var(--ln);border-radius:3px;padding:1px 4px;margin-left:4px;vertical-align:2px}
.sym-src{color:var(--mu);font-size:11px;display:flex;align-items:center;gap:6px;margin-top:2px}
.dot{width:7px;height:7px;border-radius:50%;background:#787b86;display:inline-block}
.dot.on{background:var(--up);box-shadow:0 0 6px var(--up)}.dot.warn{background:#f0b90b}.dot.off{background:var(--dn)}
.px{display:flex;align-items:baseline;gap:8px}
.last{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;transition:color .2s}
.last.up{color:var(--up)}.last.dn{color:var(--dn)}
.chg{font-size:13px;font-variant-numeric:tabular-nums}
.chg.up{color:var(--up)}.chg.dn{color:var(--dn)}
.stats{display:flex;gap:16px;flex-wrap:wrap}
.stats div{display:flex;flex-direction:column}
.stats span{color:var(--mu);font-size:10px;text-transform:uppercase;letter-spacing:.4px}
.stats b{font-variant-numeric:tabular-nums;font-size:12px}
.bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:4px 8px;border-bottom:1px solid var(--ln);flex-wrap:wrap}
.tfs{display:flex;gap:2px}
.tfs button,.domBtn{background:none;border:0;color:var(--mu);padding:5px 9px;border-radius:4px;font:inherit;font-weight:600;cursor:pointer}
.tfs button:hover,.domBtn:hover{background:#2a2e39;color:var(--tx)}
.tfs button.on{color:#fff;background:#2a2e39;box-shadow:inset 0 -2px 0 var(--ac)}
.tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tg{display:flex;align-items:center;gap:4px;color:var(--mu);cursor:pointer;user-select:none}
.tg input{accent-color:var(--ac);margin:0}
.tg input:checked+span{color:var(--tx)}
.sel{color:var(--mu);display:flex;align-items:center;gap:4px}
select{background:#1e222d;color:var(--tx);border:1px solid var(--ln);border-radius:4px;padding:2px 4px;font:inherit}
.domBtn{display:none;border:1px solid var(--ln)}
.domBtn.on{color:#fff;background:#2a2e39}
.main{flex:1;display:flex;min-height:0;position:relative}
.chartWrap{flex:1;position:relative;min-width:0}
.chart{position:absolute;inset:0}
.legend{position:absolute;left:8px;top:6px;z-index:3;pointer-events:none;font-size:12px;font-variant-numeric:tabular-nums;text-shadow:0 0 3px #131722,0 0 3px #131722}
.legend .t{font-weight:600;margin-right:6px}
.legend .k{color:var(--mu);margin:0 2px 0 6px}
.plbl{position:absolute;left:8px;z-index:3;pointer-events:none;font-size:11px;color:var(--mu);font-variant-numeric:tabular-nums;text-shadow:0 0 3px #131722}
.plbl b{color:var(--tx);font-weight:600}
.msg{position:absolute;left:50%;top:40%;transform:translate(-50%,-50%);z-index:4;background:rgba(30,34,45,.92);border:1px solid var(--ln);padding:10px 14px;border-radius:6px;color:var(--tx);max-width:86%;text-align:center}
.msg:empty{display:none}
.dom{width:270px;border-left:1px solid var(--ln);display:flex;flex-direction:column;background:var(--bg);font-variant-numeric:tabular-nums;min-height:0}
.domHead{display:flex;justify-content:space-between;align-items:center;padding:6px 8px;border-bottom:1px solid var(--ln);font-weight:600}
.domCols{display:grid;grid-template-columns:1fr 1fr 1fr;padding:3px 8px;color:var(--mu);font-size:10px;text-transform:uppercase}
.domCols span:nth-child(n+2){text-align:right}
.ladder{flex:1;display:flex;flex-direction:column;overflow:hidden;min-height:0}
.asks{justify-content:flex-end}
.row{position:relative;display:grid;grid-template-columns:1fr 1fr 1fr;padding:0 8px;height:17px;line-height:17px;font-size:12px}
.row span{position:relative;z-index:1}
.row span:nth-child(n+2){text-align:right}
.row i{position:absolute;right:0;top:1px;bottom:1px;z-index:0}
.asks .row span:first-child{color:var(--dn)}.bids .row span:first-child{color:var(--up)}
.asks .row i{background:rgba(239,83,80,.22)}.bids .row i{background:rgba(38,166,154,.22)}
.row.big span:nth-child(2){color:#fff;font-weight:700}
.row.big i{filter:brightness(1.7)}
.spread{padding:5px 8px;border-top:1px solid var(--ln);border-bottom:1px solid var(--ln);display:flex;justify-content:space-between;font-weight:600;background:#1a1e29}
.spread .m{font-size:14px}
.spread small{color:var(--mu);font-weight:400}
.imb{display:flex;height:4px;margin:6px 8px 2px}
.imbB{background:var(--up)}.imbA{background:var(--dn);flex:1}
.imbTx{padding:0 8px 6px;color:var(--mu);font-size:11px;display:flex;justify-content:space-between}
.ftr{border-top:1px solid var(--ln);padding:4px 10px;color:var(--mu);font-size:11px;display:flex;flex-wrap:wrap;gap:4px 16px;align-items:center}
.ftr a{color:var(--mu)}
.ftr b{color:var(--tx)}
.key{display:flex;gap:12px;flex-wrap:wrap}
.key span{display:flex;align-items:center;gap:4px}
.grad{display:inline-block;width:46px;height:8px;border-radius:2px;background:linear-gradient(90deg,#0b1a3a,#1458a8,#13b7c9,#e9e14a,#fff7d6)}
.c{display:inline-block;width:9px;height:9px;border-radius:50%}
.cb{background:rgba(38,166,154,.8)}.cs{background:rgba(239,83,80,.8)}
.ring{border:1.5px solid #e0c060}
@media (max-width:820px){
  .hdr{gap:10px;padding:6px 8px}
  .last{font-size:19px}
  .stats{gap:10px;width:100%}
  .stats b{font-size:11px}
  .domBtn{display:inline-block}
  .dom{position:absolute;right:0;top:0;bottom:0;width:min(62vw,260px);z-index:6;transform:translateX(100%);transition:transform .2s;box-shadow:-6px 0 16px rgba(0,0,0,.5)}
  .dom.open{transform:none}
  .tools{gap:8px;font-size:12px}
  .ftr{font-size:10px;padding:3px 8px}
  .key{gap:8px}
}