.history-intro{padding:14px 0 36px}.history-intro .section-number{display:block;margin:0 0 18px;color:var(--accent)}.history-intro .board-lede{max-width:740px;margin:24px 0 0}
.history-panel{background:#fff;border:1px solid var(--line);padding:24px;min-width:0}.history-controls{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}.history-controls>div{display:flex;gap:4px;flex-wrap:wrap}.history-controls button,.history-event button{font:400 14px/1.3 var(--sans);border:0;border-radius:4px;background:transparent;min-height:44px;padding:10px 14px;color:var(--muted);cursor:pointer}.history-controls button[aria-pressed="true"]{background:var(--ink);color:#fff}.history-controls button:hover{box-shadow:inset 0 0 0 1px var(--line)}
.history-chart-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:24px 0 12px}.history-chart-heading h2{font-size:28px;margin:0}.history-chart-heading span,.history-help{font-size:12px;line-height:1.5;color:var(--muted)}.history-chart{width:100%;min-width:0}.history-chart svg{display:block;width:100%;height:auto;touch-action:pan-y;overflow:visible}.history-chart text{font:12px var(--sans);fill:var(--muted)}.history-grid{stroke:var(--line);stroke-width:1;stroke-dasharray:3 5}.history-zero{stroke:var(--ink);stroke-width:1;opacity:.55}.history-price-line{fill:none;stroke:#0071e3;stroke-width:2;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}.history-marker{cursor:pointer}.history-marker line{stroke:var(--accent);stroke-dasharray:3 5;opacity:.5}.history-marker circle{fill:var(--accent);stroke:#fff;stroke-width:2}.history-marker:hover circle,.history-marker:focus circle{fill:var(--ink);r:7}.history-marker:focus{outline:2px solid var(--accent)}.history-marker text{fill:var(--accent);font-weight:600}.history-cursor line{stroke:var(--muted);stroke-dasharray:3 4}.history-cursor circle{fill:#0071e3;stroke:#fff;stroke-width:2}.history-readout{min-height:25px;margin:16px 0 8px;font-size:17px;font-variant-numeric:tabular-nums}.history-help{margin:0;max-width:780px}#history-status{font-size:14px;color:var(--muted)}#history-status[hidden]{display:none}
.history-events{margin-top:56px}.history-events>h2,.history-method h2{margin:0 0 24px}.history-event-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.history-event{background:#fff;border:1px solid transparent;padding:24px;min-width:0;scroll-margin-top:24px}.history-event:has(button[aria-pressed="true"]){border-color:var(--accent)}.history-year{font-size:14px;color:var(--accent)}.history-event h3{font-size:24px;line-height:1.2;margin:14px 0}.history-event p,.history-method p{font-size:17px;line-height:1.5}.history-event p{color:var(--muted)}.history-event button{color:#0071e3;padding-inline:0;text-align:left}.history-event-sources,.history-data-links{display:flex;gap:8px 20px;flex-wrap:wrap;font-size:12px;line-height:1.5}.history-event-sources a{color:var(--muted)}.history-method{margin-top:56px;max-width:900px}.history-method p{color:var(--muted)}.history-data-links a{display:inline-flex;align-items:center;min-height:36px}
@media(max-width:900px){.history-event-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.history-panel{padding:16px 12px}.history-event-grid{grid-template-columns:1fr}.history-intro{padding-top:6px}.history-events,.history-method{margin-top:36px}.history-chart-heading h2{font-size:24px}.history-controls button{padding-inline:10px}.history-event{padding:20px}.history-chart text{font-size:22px}.history-chart svg{min-height:260px}}