:root{--bg:#f6f8fb;--card:#fff;--ink:#0b2e4f;--muted:#5b6572;--line:#e4e9f0;--brand:#f2a900;--brand2:#0b6bd6;--accent:#0b2e4f;--up:#0a7d3b;--down:#c0392b}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
a{color:var(--brand2);text-decoration:none}a:hover{text-decoration:underline}
header.site{background:var(--accent);color:#fff;padding:.7rem 0}header.site .in{max-width:920px;margin:0 auto;padding:0 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
header.site a{color:#fff;font-weight:700;font-size:1.15rem}header.site nav a{font-weight:500;font-size:.9rem;margin-left:1rem;opacity:.9}
main{max-width:920px;margin:0 auto;padding:1.2rem 1rem 3rem}h1{font-size:1.7rem;margin:.2rem 0 .6rem}h2{font-size:1.25rem;margin:1.8rem 0 .6rem}
.muted{color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.2rem;box-shadow:0 1px 2px rgba(11,46,79,.04);margin:1rem 0}
.rate-hero{font-size:1.35rem;font-weight:700;display:flex;align-items:center;gap:.5rem}.rate-hero .val{color:var(--brand2)}
.live-dot{width:9px;height:9px;border-radius:50%;background:#cbd5e1;display:inline-block}.live-dot.on{background:var(--up);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.spread-row{display:flex;gap:1.5rem;margin-top:.6rem;flex-wrap:wrap}.spread-row .lbl{display:block;font-size:.75rem;color:var(--muted)}.spread-row .v{display:block;font-weight:700;font-variant-numeric:tabular-nums}
table{width:100%;border-collapse:collapse;margin:.5rem 0}th,td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}th{color:var(--muted);font-weight:600;font-size:.85rem}
.up{color:var(--up)}.down{color:var(--down)}
.usd-triangulation{margin:.7rem 0 0;padding:.6rem .8rem;border-radius:8px;font-size:.9rem;background:#f1f8f4;border:1px solid #cfe8d8}
.usd-triangulation.down{background:#fdf1f0;border-color:#f3cfcb}
.grid{display:flex;flex-wrap:wrap;gap:.5rem}.chip{display:inline-block;background:#eef3f9;border:1px solid var(--line);border-radius:999px;padding:.35rem .7rem;font-size:.9rem}
.cta{display:block;background:var(--accent);color:#fff!important;text-align:center;font-weight:700;padding:.85rem 1rem;border-radius:10px;margin:1rem 0}.cta:hover{filter:brightness(1.15);text-decoration:none}
.adslot{margin:1.2rem 0;min-height:90px;display:flex;align-items:center;justify-content:center;color:var(--muted);border:1px dashed var(--line);border-radius:10px;font-size:.8rem}
.range-tabs{display:flex;gap:.4rem;margin-bottom:.8rem}.range-tab{background:#eef3f9;border:1px solid var(--line);border-radius:8px;padding:.4rem .8rem;font-size:.85rem;cursor:pointer;color:var(--ink)}.range-tab.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.trend-line{font-size:.92rem;margin-bottom:.15rem}.trend-line.up{color:var(--up)}.trend-line.down{color:var(--down)}.trend-detail{font-weight:400}
.trend-disclaimer{font-size:.75rem;margin-bottom:.8rem}
.chart-wrap{position:relative;min-height:220px}.chart-loading{text-align:center;padding:3rem 0}
.pricechart{width:100%;height:auto;overflow:visible}.pricechart .line{stroke:var(--brand2);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pricechart.down .line{stroke:var(--down)}.pricechart .dot{fill:var(--brand2)}.pricechart.down .dot{fill:var(--down)}
.pricechart .gridline{stroke:var(--line);stroke-width:1}.pricechart .axislabel{fill:var(--muted);font-size:9px}
.pricechart .crosshair{stroke:var(--muted);stroke-width:1;stroke-dasharray:3 3}.pricechart .hoverdot{fill:var(--ink);stroke:#fff;stroke-width:2}
#hitarea{cursor:crosshair}
.tooltip{position:absolute;background:var(--ink);color:#fff;padding:.4rem .6rem;border-radius:6px;font-size:.78rem;pointer-events:none;white-space:nowrap;box-shadow:0 2px 6px rgba(0,0,0,.2)}
.table-toggle{margin-top:.8rem;font-size:.85rem}.table-toggle summary{cursor:pointer;color:var(--brand2)}
.disclaimer{font-size:.78rem;color:var(--muted);margin-top:1.5rem}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;padding:1.5rem 1rem;text-align:center}