:root{
  --bg:#0f141b; --panel:#151c26; --panel2:#1b2431; --line:#26313f; --text:#e8edf4; --muted:#93a1b3;
  --brand:#1f8fff; --up:#2ecc71; --down:#ff5470; --accent:#ffb020; --radius:12px;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);line-height:1.5}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{border-bottom:1px solid var(--line);background:#0c1117;position:sticky;top:0;z-index:20}
.site-header .container{display:flex;align-items:center;gap:22px;height:60px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;color:var(--text)}
.brand .dot{width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--brand),#0a63c9);display:inline-block}
.brand b{color:var(--brand)}
nav.main{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
nav.main a{color:var(--muted);font-weight:600;font-size:14px}
nav.main a:hover,nav.main a.active{color:var(--text);text-decoration:none}

/* Hero */
.hero{padding:26px 0 6px}
.hero h1{margin:0 0 4px;font-size:30px}
.hero p{margin:0;color:var(--muted)}

/* Snapshot cards */
.snap{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:18px 0}
.cardm{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.cardm .cl{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.cardm .cv{font-size:24px;font-weight:800;margin:4px 0 2px;font-variant-numeric:tabular-nums}
.cardm .cs{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.up{color:var(--up)!important}
.down{color:var(--down)!important}
.asof{color:var(--muted);font-size:13px;margin:6px 0 22px}

/* Section headings */
.block h2{font-size:19px;margin:26px 0 10px}

/* Trade tables */
table.trade{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table.trade th,table.trade td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
table.trade thead th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em;background:var(--panel2)}
table.trade td.n,table.trade th.n{text-align:right;font-variant-numeric:tabular-nums}
table.trade tbody tr:last-child td{border-bottom:0}
table.trade tbody tr:hover{background:var(--panel2)}

/* Market board (homepage) */
.board{display:grid;grid-template-columns:1fr 1fr;gap:0 26px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:6px 18px;margin:14px 0}
.board .row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid var(--line)}
.board .row .name{font-weight:600}
.board .row .name small{display:block;color:var(--muted);font-weight:400;font-size:11px}
.board .row .val{font-variant-numeric:tabular-nums;font-weight:700;text-align:right}
.board .row .chg{font-variant-numeric:tabular-nums;min-width:64px;text-align:right;font-size:13px}
.board-note{color:var(--muted);font-size:12px;margin:4px 0 20px}
.homegrid{display:grid;grid-template-columns:2fr 1fr;gap:22px;align-items:start}
.headlines h3{font-size:15px;margin:0 0 8px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.headlines .hl{display:block;padding:10px 0;border-bottom:1px solid var(--line);color:var(--text)}
.headlines .hl small{color:var(--muted)}

.loading,.err{color:var(--muted);padding:24px 0}
.err{color:var(--down)}
.muted{color:var(--muted)}
.morelink{font-weight:600}

/* Market signal */
.signal{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;border-radius:var(--radius);padding:14px 18px;margin:16px 0;border:1px solid var(--line)}
.signal .sig-l{font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.signal .sig-v{font-size:20px;font-weight:800}
.signal .sig-c{font-size:13px;color:var(--muted)}
.signal.buyer{background:linear-gradient(135deg,rgba(46,204,113,.16),rgba(46,204,113,.04));border-color:rgba(46,204,113,.5)}
.signal.buyer .sig-v{color:var(--up)}
.signal.seller{background:linear-gradient(135deg,rgba(255,84,112,.16),rgba(255,84,112,.04));border-color:rgba(255,84,112,.5)}
.signal.seller .sig-v{color:var(--down)}
.signal.bal{background:linear-gradient(135deg,rgba(255,176,32,.14),rgba(255,176,32,.03));border-color:rgba(255,176,32,.5)}
.signal.bal .sig-v{color:var(--accent)}

/* Chart */
.chartwrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
svg.chart{width:100%;height:auto;display:block}
svg.chart .axl{fill:var(--muted);font-size:11px;font-family:var(--sans)}
.legend{display:flex;gap:16px;margin-top:8px;color:var(--muted);font-size:13px}
.legend .lg i{display:inline-block;width:12px;height:3px;border-radius:2px;margin-right:6px;vertical-align:middle}

/* Calculator */
.calc{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.calc-row{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-end;margin-top:8px}
.calc-row label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
.calc-row input,.calc-row select{background:var(--panel2);border:1px solid var(--line);color:var(--text);padding:9px 11px;border-radius:9px;font-size:14px;min-width:150px}
.btn{background:var(--brand);color:#fff;border:0;padding:10px 18px;border-radius:9px;font-weight:700;font-size:14px;cursor:pointer}
.btn:hover{background:#0a63c9}
.calc-out{margin-top:12px}
.calc-res .cr-big{font-size:26px;font-weight:800;color:var(--up)}
.calc-res .cr-sub{color:var(--muted);font-size:14px}

/* Footer */
.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:22px 0;color:var(--muted);font-size:13px}
.site-footer a{color:var(--muted)}

@media(max-width:760px){
  .homegrid{grid-template-columns:1fr}
  .board{grid-template-columns:1fr}
  nav.main{gap:12px}
  .hero h1{font-size:24px}
}