.timeline-page{--stop-width:272px;width:100%;max-width:1280px;margin:0 auto;padding:28px 30px 50px}
.timeline-header{max-width:820px;margin:0 0 26px}
.timeline-eyebrow{color:var(--accent);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin:0 0 8px}
.timeline-header h1{font-size:42px;line-height:1.2;font-weight:600;margin:0 0 14px}
.timeline-header>p:last-child{color:var(--soft);font-size:16px;line-height:1.65;margin:0}
.timeline-book-picker{display:none}
.timeline-overview{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0 12px}
.timeline-endpoints{display:flex;justify-content:space-between;gap:18px;font-family:var(--serif);font-weight:600}
.timeline-position{display:block;text-align:center;font-size:13px;color:var(--soft);margin:4px 0 0}
.timeline-position strong{color:var(--accent)}
.timeline-range{display:block;width:100%;height:44px;margin:0;padding:0;appearance:none;-webkit-appearance:none;background:transparent;cursor:ew-resize;accent-color:var(--accent)}
.timeline-range::-webkit-slider-runnable-track{height:4px;background:var(--line);border-radius:0}
.timeline-range::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:19px;height:19px;border:3px solid var(--raised);border-radius:50%;background:var(--accent);box-shadow:0 0 0 2px var(--accent);margin-top:-7.5px}
.timeline-range::-moz-range-track{height:4px;background:var(--line)}
.timeline-range::-moz-range-thumb{box-sizing:border-box;width:19px;height:19px;border:3px solid var(--raised);border-radius:50%;background:var(--accent);box-shadow:0 0 0 2px var(--accent)}
.timeline-sections{display:flex;justify-content:space-between;gap:6px}
.timeline-sections a{flex:1;min-width:0;text-align:center;color:var(--soft);font-size:12px;text-decoration:none;padding:9px 3px;min-height:44px;border-bottom:2px solid transparent}
.timeline-sections a[aria-current=step]{color:var(--accent);font-weight:700;border-bottom-color:var(--accent)}
.timeline-sections a:hover{text-decoration:underline;text-underline-offset:3px}
.timeline-scale-note{font-size:12px;color:var(--soft);margin:10px 0 0}
.timeline-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:20px 0 8px}
.timeline-controls p{font-size:13px;color:var(--soft);margin:0}
.timeline-controls>div{display:flex;gap:8px;flex:none}
.timeline-controls button{font:inherit;min-width:44px;min-height:44px;background:var(--raised);color:var(--ink);border:1px solid var(--line);border-radius:6px;cursor:pointer}
.timeline-controls button:disabled{opacity:.4;cursor:default}
.timeline-lane-label{font-family:var(--sans);font-weight:700;color:var(--accent);font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin:12px 0}
.timeline-world-label{color:var(--soft)}
.timeline-track-frame{position:relative}
.timeline-viewport{width:100%;overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--soft) transparent;cursor:grab;position:relative;padding-bottom:12px}
.timeline-viewport.is-dragging{cursor:grabbing;user-select:none}
.timeline-track{display:flex;gap:24px;width:max-content;padding:0 var(--timeline-edge,16px);position:relative}
.timeline-stop{flex:0 0 var(--stop-width);width:var(--stop-width);display:grid;grid-template-rows:48px 250px 48px 250px;position:relative}
.timeline-stop-heading{display:flex;align-items:center;justify-content:center;padding:4px 6px;font-family:var(--serif);font-size:18px;text-decoration:none;font-weight:600;color:var(--soft)}
.timeline-event-card{display:flex;flex-direction:column;min-width:0;min-height:0;padding:10px;background:var(--raised);border:1px solid var(--line);border-radius:9px;text-decoration:none;transition:border-color .15s ease,box-shadow .15s ease}
.timeline-event-card:hover{border-color:var(--accent)}
.timeline-event-card>strong{font-size:15px;line-height:1.35;margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex-shrink:0}
.timeline-event-card>.timeline-date{font-size:12px;line-height:1.4;color:var(--soft);margin-top:5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.timeline-stop.is-selected .timeline-stop-heading{color:var(--accent)}
.timeline-stop.is-selected .timeline-event-card{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.timeline-picture{margin:0;min-width:0}
.timeline-picture img{display:block;width:100%;height:124px;object-fit:cover;background:var(--bg);border-radius:4px}
.timeline-reference-thumb{display:flex;align-items:center;justify-content:center;text-align:center;flex:0 0 124px;min-height:124px;padding:16px;color:var(--soft);background:var(--bg);border:1px solid var(--line);font-family:var(--serif);font-size:24px;line-height:1.3;border-radius:4px}
.timeline-world-card .timeline-reference-thumb{font-size:20px}
.timeline-axis{position:relative;display:flex;align-items:center;justify-content:center}
.timeline-axis:before{content:"";height:2px;width:calc(100% + 24px);background:var(--line);position:absolute}
.timeline-axis span{z-index:1;width:10px;height:10px;background:var(--soft);border:2px solid var(--bg);border-radius:50%}
.is-selected .timeline-axis span{width:15px;height:15px;background:var(--accent)}
.timeline-center-mark{position:absolute;top:44px;bottom:8px;left:50%;width:2px;background:rgba(var(--accent-rgb),.3);pointer-events:none;z-index:2;transform:translateX(-1px)}
.timeline-center-mark:before{content:"";position:absolute;top:-9px;left:-4px;border-left:5px solid transparent;border-right:5px solid transparent;border-top:7px solid var(--accent)}
.timeline-status{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap}
.timeline-details{border-top:1px solid var(--line);margin-top:24px;scroll-margin-top:16px}
.timeline-detail-section{font-family:var(--serif);font-size:26px;font-weight:600;margin:26px 0 18px}
.timeline-history-block{padding:2px 0 24px;margin-bottom:24px;border-bottom:1px solid var(--line)}
.timeline-explanation.has-picture{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:38px}
.timeline-detail-date{font-size:13px;color:var(--soft);margin:0 0 8px}
.timeline-explanation h3{font-size:29px;line-height:1.25;font-weight:600;margin:0 0 12px}
.timeline-explanation p{line-height:1.7;max-width:76ch}
.timeline-study-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;border:1px solid var(--line);padding:8px 13px;border-radius:6px;color:var(--accent);font-size:14px;text-underline-offset:3px}
.timeline-study-link:hover{border-color:var(--accent)}
.timeline-picture-detail img{height:175px}
.timeline-picture-detail figcaption{font-size:11px;line-height:1.5;margin-top:8px;color:var(--soft)}
.timeline-duration{font-size:14px;color:var(--soft);margin-bottom:0}
.timeline-book-span{padding:16px 20px;background:var(--raised);border:1px solid var(--line);border-radius:9px;margin:0 0 24px}
.timeline-book-span h3,.timeline-dating h3{font-size:20px;margin:0 0 8px;font-weight:600}
.timeline-book-span p,.timeline-dating p{font-size:14px;line-height:1.65;margin:8px 0}
.timeline-qualification,.timeline-dating{color:var(--soft)}
.timeline-dating{max-width:900px;margin-bottom:18px}
.timeline-sources summary{cursor:pointer;min-height:44px;padding:10px 0;font-weight:600;font-size:14px}
.timeline-sources ul{font-size:13px;padding-left:20px;line-height:1.6}
.timeline-sources a{display:inline-block;padding:6px 0;text-underline-offset:3px}
.timeline-page a:focus-visible,.timeline-page button:focus-visible,.timeline-page input:focus-visible,.timeline-page select:focus-visible,.timeline-viewport:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.timeline-page [hidden]{display:none!important}
@media(max-width:720px){
 .timeline-page{--stop-width:244px;padding:20px 18px 32px}
 .timeline-header h1{font-size:32px}
 .timeline-header>p:last-child{font-size:15px}
 .timeline-book-picker{display:grid;gap:8px;margin-bottom:22px}
 .timeline-book-picker label{font-size:13px;font-weight:600}
 .timeline-book-picker select{width:100%;min-width:0;min-height:44px;font-size:16px}
 .timeline-book-picker button{justify-self:start}
 .timeline-sections{overflow-x:auto;justify-content:flex-start;gap:12px}
 .timeline-sections a{flex:0 0 86px;font-size:11px}
 .timeline-endpoints{font-size:14px}
 .timeline-position{font-size:12px;margin-top:8px}
 .timeline-controls{align-items:flex-start}
 .timeline-controls p{max-width:28ch;font-size:12px}
 .timeline-stop{grid-template-rows:44px 244px 42px 244px}
 .timeline-stop-heading{font-size:17px}
 .timeline-event-card>strong{font-size:14px}
 .timeline-event-card .timeline-picture img{height:120px}
 .timeline-reference-thumb{flex-basis:120px;min-height:120px}
 .timeline-explanation.has-picture{grid-template-columns:minmax(0,1fr);gap:20px}
 .timeline-explanation h3{font-size:25px}
 .timeline-explanation p{font-size:15px}
 .timeline-picture-detail{max-width:400px}
 .timeline-picture-detail img{height:auto;max-height:250px;aspect-ratio:8/5}
 .timeline-center-mark{top:40px}
 .timeline-detail-section{font-size:23px}
}
@media(prefers-reduced-motion:reduce){.timeline-event-card{transition:none}}
@media print{.timeline-book-picker,.timeline-overview,.timeline-explorer,.timeline-status{display:none}.timeline-page{max-width:none;padding:0}.timeline-picture-detail{break-inside:avoid}.timeline-details{border:0}.timeline-sources>ul{display:block}.timeline-history-block{break-inside:avoid}}
.timeline-page>.timeline-scale-note{margin:0 0 18px;max-width:820px}
.timeline-position-date{display:inline-block}
@media(max-width:720px){
  .timeline-axis:before{width:2px;height:100%;left:50%;transform:translateX(-1px)}
  .timeline-axis span{display:none}
  .timeline-center-mark{display:none}
  .timeline-book-picker select{height:44px;padding-block:0;line-height:normal;appearance:auto}
}