:root{
  --ink:#0f172a; --muted:#64748b; --faint:#94a3b8; --line:#e9eef3;
  --blue:#2563eb; --green:#16a34a; --red:#dc2626; --bg:#ffffff; --panel:#f8fafc;
  --dark:#0f1729; --dark-ink:#e6edf6; --dark-muted:#8aa0c0; --dark-line:#243049;
}
*{box-sizing:border-box} html,body{margin:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);font-variant-numeric:tabular-nums}
.nav{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--line);max-width:980px;margin:0 auto}
.nav strong{letter-spacing:.5px} .nav-links{font-size:12px;color:var(--muted)}
.hero{text-align:center;padding:46px 20px 26px;max-width:980px;margin:0 auto}
.eyebrow{font-size:10px;letter-spacing:1.5px;color:var(--muted)}
.hero-num{font-size:54px;font-weight:800;letter-spacing:-1px;margin-top:8px}
.hero-vs{font-size:14px;font-weight:600;color:var(--green);margin-top:4px}
.hero-sub{font-size:12px;color:var(--faint);margin-top:2px}
.stat-strip{display:inline-flex;margin-top:22px;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.stat-strip .cell{padding:9px 18px;border-right:1px solid var(--line)} .stat-strip .cell:last-child{border-right:0}
.stat-strip .k{font-size:8px;letter-spacing:.5px;color:var(--faint)} .stat-strip .v{font-size:15px;font-weight:700}
.drop{display:flex;justify-content:space-between;align-items:center;gap:16px;max-width:980px;margin:6px auto;padding:16px 20px;border:1px solid #e3e8ee;background:var(--panel);border-radius:10px}
.drop-left{flex:1}
.drop-title{font-size:14px;font-weight:700} .drop-sub{font-size:11px;color:var(--muted);margin-top:2px}
.drop-list{list-style:none;margin:10px 0 0;padding:0;font-size:12px;font-variant-numeric:tabular-nums}
.drop-list li{padding:3px 0;opacity:0;transform:translateY(6px);animation:rise .4s ease forwards}
@keyframes rise{to{opacity:1;transform:none}}
.drop-list .buy{color:var(--green);font-weight:600;display:inline-block;width:38px} .drop-list .sell{color:var(--red);font-weight:600;display:inline-block;width:38px}
.drop-list .dates{color:var(--faint)}
.notify{display:flex;gap:6px;margin-top:14px;max-width:360px}
.notify input{flex:1;border:1px solid var(--line);border-radius:7px;padding:8px 10px;font-size:12px;font-family:inherit}
.notify button{border:0;background:var(--ink);color:#fff;border-radius:7px;padding:8px 14px;font-size:12px;font-weight:600;cursor:pointer}
.drop-count{text-align:right}
.count-num{font-size:26px;font-weight:700;letter-spacing:.5px} .count-label{font-size:9px;text-transform:uppercase;letter-spacing:.5px;color:var(--faint)}
.charts{display:flex;gap:16px;max-width:980px;margin:18px auto}
.charts .chart-card:first-child{flex:1.6} .charts .chart-card:last-child{flex:1}
.card{border:1px solid var(--line);border-radius:8px;padding:12px 14px}
.card-head{display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:600;color:#334155;margin-bottom:8px}
.legend{font-size:8px;color:var(--faint);font-weight:400}
.legend i{display:inline-block;width:10px;height:0;border-top:2px solid;margin:0 3px 0 8px;vertical-align:middle}
.legend .s-strat{border-color:var(--blue)} .legend .s-dd{border-color:var(--red)} .legend .s-spy{border-color:var(--faint);border-top-style:dashed}
.legend.light{color:var(--dark-muted)}
.chart{height:170px} .bt-chart{height:230px}
.closed{max-width:980px;margin:18px auto;padding:14px 20px}
.closed-table{width:100%;border-collapse:collapse;font-size:12px;table-layout:fixed}
.closed-table td{padding:5px 0;border-bottom:1px solid #f1f5f9} .closed-table tr:last-child td{border-bottom:0}
.closed-table td:nth-child(1){width:90px} .closed-table td:nth-child(3){width:90px}
.closed-table .pos{color:var(--green);font-weight:600;text-align:right} .closed-table .neg{color:var(--red);font-weight:600;text-align:right}
.closed-table .dates{color:var(--muted)}
.backtest{background:var(--dark);color:var(--dark-ink);padding:24px;margin-top:18px}
.backtest .bt-head{display:flex;justify-content:space-between;align-items:center;max-width:980px;margin:0 auto}
.bt-title{font-size:14px;font-weight:700}
.bt-eyebrow{font-size:9px;letter-spacing:1.5px;color:var(--dark-muted);margin-bottom:3px}
.bt-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:980px;margin:16px auto 0}
.bt-stats .box{border:1px solid var(--dark-line);border-radius:6px;padding:10px}
.bt-stats .k{font-size:8px;letter-spacing:.5px;color:var(--dark-muted)} .bt-stats .v{font-size:17px;font-weight:700}
.bt-stats .sub{font-size:8px;color:var(--dark-muted)} .bt-stats .sub.green{color:#5ee08a}
.bt-chart{max-width:980px;margin:16px auto 0}
.bt-metrics{max-width:600px;margin:24px auto 0;font-size:12px}
.bt-metrics .m-head{display:grid;grid-template-columns:1fr 98px 98px;gap:10px;font-size:8px;letter-spacing:.5px;color:var(--dark-muted);padding-bottom:6px;border-bottom:1px solid var(--dark-line)}
.bt-metrics .m-head span:nth-child(n+2){text-align:right}
.bt-metrics .m-grp{font-size:8px;letter-spacing:1px;color:var(--dark-muted);margin:13px 0 3px}
.bt-metrics .m-row{display:grid;grid-template-columns:1fr 98px 98px;gap:10px;padding:5px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.bt-metrics .m-k{color:#c3d0e6}
.bt-metrics .m-s{text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
.bt-metrics .m-p{text-align:right;color:var(--dark-muted);font-variant-numeric:tabular-nums}
.bt-method{max-width:600px;margin:18px auto 0;font-size:9px;line-height:1.6;color:var(--dark-muted)}
.disclaimer{font-size:9px;color:var(--faint);background:var(--panel);padding:16px 24px;text-align:center}
@media(max-width:720px){.charts{flex-direction:column}.bt-stats{grid-template-columns:repeat(2,1fr)}.hero-num{font-size:44px}.drop{flex-direction:column;align-items:flex-start}.drop-count{text-align:left}.bt-metrics .m-head,.bt-metrics .m-row{grid-template-columns:1fr 76px 76px;gap:6px}}