:root{--ink:#151325;--muted:#756f87;--line:#e5e0ef;--violet:#6d3ef2;--paper:#fff}
*{box-sizing:border-box}
body{margin:0;background:#fbfaff;color:var(--ink);font-family:var(--lc-font-ui)}
main{width:min(1160px,calc(100% - 48px));margin:auto}
.chart-hero{max-width:850px;padding:78px 0 40px}
.chart-hero>span,.chart-panel-head span,.chart-copy section>span{color:#7f7097;font:500 9px var(--lc-font-mono);letter-spacing:1px}
.chart-hero h1{margin:13px 0 16px;font-size:clamp(38px,5vw,62px);line-height:1.02;letter-spacing:-3.7px}
.chart-hero p{max-width:700px;margin:0;color:var(--muted);font-size:15px;line-height:1.7}
.chart-panel{padding:26px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 20px 50px rgba(55,38,96,.05)}
.chart-panel-head{display:flex;justify-content:space-between;align-items:center;gap:20px}
.chart-panel-head b{display:block;margin-top:6px;font:500 11px var(--lc-font-mono);color:#5d536f}
.chart-legend{display:flex;gap:14px;flex-wrap:wrap}
.chart-legend span{display:flex;align-items:center;gap:6px;color:#5e566e;font:500 9px var(--lc-font-mono)}
.chart-legend i{width:18px;height:2px;border-radius:2px}
.chart-legend i.chart-legend-halving{width:3px;height:13px;background:#6d3ef2}
.chart-legend i.chart-legend-estimated{width:18px;height:0;border-top:2px dashed #9b86da;background:transparent}
.market-chart{position:relative;margin-top:22px;min-height:390px;overflow:hidden;border-radius:13px;background:linear-gradient(180deg,#fcfbff,#fff)}
.market-chart svg{display:block;width:100%;height:auto}
.chart-grid{stroke:#ece8f2;stroke-width:1}
.chart-line{fill:none;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.chart-area{opacity:.08}
.chart-axis{fill:#8e869b;font:9px var(--lc-font-mono)}
.chart-point{stroke:#fff;stroke-width:2}
.chart-event rect{fill:#6d3ef2;opacity:.07}
.chart-event line{stroke:#6d3ef2;stroke-width:1.5}
.chart-event text{fill:#5f42ba;font:500 8px var(--lc-font-mono)}
.chart-event-estimated rect{fill:transparent}
.chart-event-estimated line{stroke:#9b86da;stroke-width:1.8;stroke-dasharray:6 6}
.chart-event-estimated text{fill:#786b91}
.chart-empty{display:grid;min-height:390px;place-items:center;padding:30px;color:var(--muted);font-size:12px;text-align:center}
.chart-copy{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:28px}
.chart-copy section{padding:28px;border:1px solid var(--line);border-radius:16px;background:#fff}
.chart-copy h2{margin:12px 0 10px;font-size:21px;letter-spacing:-1px}
.chart-copy p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}
.disclaimer{margin:22px 0 70px;color:#90899c;font:9px/1.6 var(--lc-font-mono);text-align:center}
@media(max-width:680px){
  main{width:min(100% - 32px,1160px)}
  .chart-hero{padding:54px 0 30px}
  .chart-hero h1{font-size:40px;letter-spacing:-2.6px}
  .chart-hero p{font-size:13px}
  .chart-panel{padding:15px}
  .chart-panel-head{align-items:flex-start;flex-direction:column}
  .market-chart{min-height:300px;overflow-x:auto}
  .market-chart svg{width:760px;max-width:none}
  .chart-copy{grid-template-columns:1fr}
  .chart-copy section{padding:22px}
  .chart-empty{min-height:300px}
}