/* Keep the date baseline at the screen's vertical midpoint, without a surface. */
#year-axis {top:calc(50dvh - 15px);bottom:auto;height:44px;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;overflow:visible}
#year-axis svg {overflow:visible}
#year-axis .axis-caption {display:none}
#year-axis .axis-baseline {stroke:#8798a4!important;stroke-width:.8}
#year-ticks text {fill:var(--muted);paint-order:stroke;stroke:var(--paper);stroke-width:3px;stroke-linejoin:round}
#year-guides {top:150px;height:calc(100% - 260px)}
#year-guides line {stroke:#cbd5dc;opacity:.45}
#movement-leaders path {fill:none;stroke:#7c8e9b;stroke-width:.8;opacity:.8}
#movement-leaders circle {fill:#7c8e9b}
#movement-leaders text {font-family:Manrope,Arial,sans-serif;text-anchor:middle;fill:var(--ink);font-size:11px;font-weight:600;paint-order:stroke;stroke:var(--paper);stroke-width:4px;stroke-linejoin:round}
#movement-leaders .movement-period {font-size:9px;font-weight:400;fill:var(--muted)}
#timeline-about {width:calc(100% - 32px);max-width:520px;max-height:calc(100dvh - 48px);box-sizing:border-box;overflow:auto;border:0;border-radius:24px;background:var(--paper)}
#timeline-about h2 {font-size:25px;margin:8px 0 16px}
#timeline-about h3 {font-size:13px;margin:18px 0 4px}
#timeline-about h3 span {font-weight:400;color:var(--muted);margin-left:8px}
#timeline-about p {color:var(--muted);margin:4px 0;font-size:12px}
#timeline-about details {margin-top:22px;border-top:1px solid var(--line);padding-top:12px;font-size:12px}
#timeline-about summary {cursor:pointer;min-height:44px;align-content:center}
#timeline-about details a {display:block;padding:7px 0;text-decoration:underline;text-underline-offset:3px}
@media(max-width:800px){
  #year-guides {top:180px;height:calc(100% - 290px)}
  #movement-leaders text {font-size:11px}
}
