:root{
  --bg:#0a0e17; --panel:#121826; --panel2:#0f1420; --border:#1f2937;
  --txt:#e6edf6; --muted:#8b97a8; --accent:#4f8cff;
  --green:#16c784; --red:#ea3943; --orange:#f7931a;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--txt);font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;line-height:1.4;padding:18px 22px 60px}
a{color:var(--accent);text-decoration:none}
header{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:18px}
h1{font-size:20px;font-weight:700;letter-spacing:.3px}
h1 span{color:var(--orange)}
.sub{color:var(--muted);font-size:12px;margin-top:2px}
.controls{margin-left:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.controls input{background:var(--panel2);border:1px solid var(--border);color:var(--txt);padding:7px 10px;border-radius:8px;font-size:12px;width:230px}
.btn{background:var(--accent);color:#fff;border:none;padding:8px 14px;border-radius:8px;font-size:12px;font-weight:600;cursor:pointer}
.btn.secondary{background:var(--panel);border:1px solid var(--border);color:var(--txt)}
.btn:active{transform:translateY(1px)}
.toggle{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);cursor:pointer;user-select:none}
.status{font-size:11px;color:var(--muted)}
.status b{color:var(--txt);font-weight:600}
h2{font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:26px 0 12px;font-weight:600}
.h2note{text-transform:none;letter-spacing:0;color:#5b6677;font-weight:500;font-size:11px}
.grid{display:grid;gap:14px}
.coins{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.metrics{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--border);border-radius:14px;padding:16px;position:relative;overflow:hidden}
.coins .card{cursor:pointer;transition:border-color .15s,transform .1s}
.coins .card:hover{border-color:#33415a}
.coins .card.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.detail{margin-top:14px;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--border);border-radius:14px;padding:16px;display:none}
.detail.on{display:block}
.detail-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px}
.detail-title{font-weight:700;font-size:16px}
.detail-price{font-size:20px;font-weight:700;margin-left:auto}
.tfs{display:flex;gap:6px;flex-wrap:wrap}
.tf-btn{background:var(--panel2);border:1px solid var(--border);color:var(--muted);padding:5px 11px;border-radius:8px;font-size:11px;font-weight:600;cursor:pointer}
.tf-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.detail-chart{height:920px;margin-top:8px}
.chart-stats{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:10px;font-size:11px;color:var(--muted);align-items:center}
.chart-stats b{color:var(--txt);font-weight:600}
.chart-stats .lg{display:inline-flex;align-items:center;gap:5px}
.chart-stats .ln{width:14px;height:3px;border-radius:2px;display:inline-block}
.coin-head{display:flex;align-items:center;gap:10px}
.coin-logo{width:30px;height:30px;border-radius:50%;background:#1c2433;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px}
.coin-name{font-weight:700;font-size:15px}
.coin-sym{color:var(--muted);font-size:11px;text-transform:uppercase}
.price{font-size:26px;font-weight:700;margin:10px 0 2px}
.chg{font-size:12px;display:inline-flex;gap:4px;align-items:center;font-weight:600}
.chg.up{color:var(--green)} .chg.down{color:var(--red)}
.chgs{display:flex;gap:16px;margin-top:4px}
.chgs .lbl{color:var(--muted);font-size:10px;text-transform:uppercase;display:block}
.spark{height:54px;margin-top:10px}
.coin-foot{display:flex;justify-content:space-between;margin-top:10px;font-size:11px;color:var(--muted)}
.coin-foot b{color:var(--txt);font-weight:600;display:block;font-size:12px}
.m-name{font-size:12px;color:var(--muted);font-weight:600;display:flex;justify-content:space-between;align-items:center}
.m-val{font-size:24px;font-weight:700;margin:8px 0 4px}
.m-sub{font-size:11px;color:var(--muted);margin-top:2px}
.zone{display:inline-block;font-size:11px;font-weight:700;padding:3px 9px;border-radius:20px;color:#0a0e17}
.m-desc{font-size:11px;color:var(--muted);margin-top:8px;line-height:1.45}
.m-date{font-size:10px;color:#5b6677;margin-top:6px}
.bar{height:5px;border-radius:3px;background:#1c2433;margin-top:10px;position:relative;overflow:hidden}
.bar i{position:absolute;top:0;bottom:0;left:0;border-radius:3px}
.derived{font-size:9px;background:#1c2433;color:var(--muted);padding:1px 6px;border-radius:6px;font-weight:600;text-transform:uppercase}
.stale{font-size:9px;background:#3a2e0f;color:var(--orange);padding:1px 6px;border-radius:6px;font-weight:600;text-transform:uppercase;margin-left:6px}
.err{color:var(--red);font-size:11px}
.note{background:var(--panel2);border:1px solid var(--border);border-left:3px solid var(--orange);border-radius:10px;padding:12px 14px;font-size:12px;color:var(--muted);margin-top:18px}
.note b{color:var(--txt)}
.legend{font-size:11px;color:var(--muted);margin-top:10px;display:flex;flex-wrap:wrap;gap:14px}
.legend span{display:inline-flex;align-items:center;gap:5px}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block}
footer{margin-top:34px;font-size:11px;color:#5b6677;border-top:1px solid var(--border);padding-top:14px}

.detail-chart{position:relative}
.detail-chart.flash{box-shadow:0 0 0 2px #fff inset;border-radius:8px}
.ohlc-tip{position:absolute;left:10px;top:8px;font-size:11px;color:var(--muted);background:rgba(10,14,23,.72);padding:4px 9px;border-radius:6px;z-index:5;pointer-events:none;white-space:nowrap}
.ohlc-tip b{font-weight:700}
.orderbook{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:8px;font-size:11px;color:var(--muted);align-items:center}
.orderbook b{color:var(--txt);font-weight:600}
.imb{display:inline-flex;width:120px;height:8px;border-radius:4px;overflow:hidden;border:1px solid var(--border)}
.imb i{display:block;height:100%}
.lev-chips{display:inline-flex;gap:4px;margin-left:2px}
.lev-chip,.exch-chip{background:var(--panel2);border:1px solid var(--border);color:#5b6677;padding:4px 8px;border-radius:7px;font-size:10px;font-weight:700;cursor:pointer}
.lev-chip.on,.exch-chip.on{color:var(--txt);border-color:#3a4a63}
.hb{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);vertical-align:middle;margin-right:5px;animation:pulse 1.4s infinite}
.hb.stale{background:var(--red);animation:none}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(22,199,132,.5)}70%{box-shadow:0 0 0 8px rgba(22,199,132,0)}100%{box-shadow:0 0 0 0 rgba(22,199,132,0)}}
#histWrap{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:1100px){#histWrap{grid-template-columns:1fr 1fr}}
.hist-card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--border);border-radius:14px;padding:14px}
.hist-h{font-size:12px;color:var(--txt);font-weight:600;margin-bottom:6px}
.hist-h span{color:var(--muted);font-weight:500;font-size:11px}
.hist-box{height:230px}
.skeleton{color:#3a4555}