:root {
  --paper: #fafaf8;
  --ink: #222521;
  --forest: #27312b;
  --gold: #805e21;
  --light-gold: #dfbb70;
  --muted: #666b65;
  --line: #dce0d8;
  --soft: #f3f4ef;
  --panel-copy: #d5dacd;
  --sans: "VE Noto Sans SC", "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { background: var(--paper); scrollbar-color: #8b9286 var(--soft); scroll-padding-top: 24px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.75; }
button, input, select { font: inherit; color: inherit; }
button, summary, select { cursor: pointer; }
button:disabled, input:disabled, select:disabled { cursor: not-allowed; opacity: .64; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { text-decoration: underline; }
button, input, select, summary, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
::selection { color: var(--paper); background: #354039; }
input { caret-color: var(--gold); }
input::placeholder { color: var(--muted); opacity: 1; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: -100px; left: 16px; padding: 10px 18px; background: var(--paper); color: var(--ink); }
.skip-link:focus { top: 12px; }
.local-band { background: var(--soft); border-bottom: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.local-band > div { display: flex; justify-content: space-between; gap: 16px; width: min(1180px, calc(100% - 80px)); margin: auto; padding: 8px 0; }
.timeline-container { width: min(1180px, calc(100% - 80px)); margin: auto; }
.timeline-intro { display: flex; justify-content: space-between; align-items: center; gap: 48px; padding: 49px 0 34px; }
.timeline-intro h1 { font-size: clamp(40px, 4.25vw, 60px); font-weight: 300; line-height: 1.35; letter-spacing: -.03em; margin: 0; text-wrap: balance; }
.timeline-lead { color: var(--muted); font-size: 20px; font-weight: 300; margin: 8px 0 0; }
.timeline-scope { border-left: 1px solid var(--line); padding: 5px 0 5px 28px; flex: 0 0 auto; color: var(--muted); font-size: 13px; }
.timeline-scope p { margin: 0; }
.timeline-scope p:first-child { font-size: 16px; margin-bottom: 4px; }
.timeline-scope strong { font-size: 26px; font-weight: 400; color: var(--ink); font-variant-numeric: tabular-nums; margin-right: 5px; }
.timeline-controls { margin: 0; }
.track-filters { display: flex; gap: 24px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.track-filter { background: transparent; border: 0; border-bottom: 2px solid transparent; padding: 11px 0 13px; font-size: 14px; white-space: nowrap; }
.track-filter:hover { color: var(--gold); }
.track-filter[aria-pressed="true"] { color: var(--gold); border-bottom-color: #b68d3d; }
.timeline-filter-fields { display: flex; gap: 14px; margin: 21px 0 0; }
.timeline-search { display: flex; align-items: center; gap: 11px; min-width: 0; flex: 1; padding: 0 0 0 14px; border: 1px solid #b9c0b5; border-radius: 5px; background: #fff; }
.timeline-search svg { flex-shrink: 0; }
.timeline-search input { width: 100%; min-width: 0; border: 0; outline-offset: 0; background: transparent; padding: 10px 0; font-size: 14px; }
.timeline-search button { padding: 10px 17px; align-self: stretch; border: 0; background: var(--forest); color: var(--paper); border-radius: 0 4px 4px 0; font-size: 14px; white-space: nowrap; }
.timeline-search button:hover { background: #354039; }
.filter-select { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 13px; }
.filter-select select { min-height: 46px; border: 1px solid #b9c0b5; background: #fff; border-radius: 5px; padding: 8px 28px 8px 12px; font-size: 14px; }
.timeline-guidance { display: flex; gap: 18px; justify-content: space-between; align-items: baseline; color: var(--muted); font-size: 12px; margin: 14px 0 26px; }
.timeline-guidance p { margin: 0; }
#atlas-results-status { color: var(--ink); font-size: 13px; }
.history-note, .selection-note, .noscript-note { padding: 15px 18px; background: var(--soft); border: 1px solid var(--line); font-size: 14px; margin: 0 0 24px; max-width: 75ch; }
.selection-note button, .timeline-empty button { background: var(--forest); color: var(--paper); border: 0; border-radius: 5px; padding: 8px 14px; font-size: 14px; margin-left: 12px; }
.timeline-workspace { display: grid; grid-template-columns: minmax(0, 1fr) 350px; align-items: start; gap: 34px; }
.timeline-reading, #atlas-evidence-slot { min-width: 0; }
html:not(.timeline-enhanced) .timeline-workspace { display: block; }
html:not(.timeline-enhanced) .timeline-reading { max-width: 800px; }
html:not(.timeline-enhanced) #atlas-evidence-slot { display: none; }
.event-month { margin-bottom: 30px; }
.month-heading { display: flex; align-items: baseline; gap: 18px; padding: 0 0 12px; border-bottom: 1px solid #b9c0b5; }
.month-heading h2 { margin: 0; font-size: 26px; font-weight: 300; letter-spacing: -.02em; line-height: 1.4; font-variant-numeric: tabular-nums; }
.month-heading p { margin: 0; font-size: 11px; color: var(--muted); }
.event-row { border-bottom: 1px solid var(--line); scroll-margin-top: 24px; }
.event-select { display: grid; grid-template-columns: 68px minmax(0, 1fr); gap: 17px; padding: 23px 14px 23px 0; list-style: none; }
.event-select::-webkit-details-marker { display: none; }
.event-select:hover { background: var(--soft); }
.event-row.is-selected > .event-select { background: #edf0e7; }
.event-date { padding-top: 2px; font-variant-numeric: tabular-nums; }
.event-date time { display: block; font-size: 24px; font-weight: 300; line-height: 1.4; letter-spacing: -.02em; }
.event-date small { display: block; color: var(--muted); font-size: 11px; padding-top: 5px; }
.event-copy { display: block; min-width: 0; }
.event-category { display: block; font-size: 12px; color: var(--gold); margin: 0 0 5px; }
.event-title { display: block; font-size: 21px; font-weight: 300; line-height: 1.6; letter-spacing: -.02em; text-wrap: pretty; overflow-wrap: anywhere; }
.event-summary { display: block; color: var(--muted); font-size: 13px; line-height: 1.9; margin-top: 6px; max-width: 70ch; overflow-wrap: anywhere; }
.event-row-footer { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-top: 12px; color: var(--muted); font-size: 11px; }
.event-action { display: inline-flex; align-items: center; gap: 6px; color: var(--forest); flex-shrink: 0; font-size: 12px; }
.event-row.is-selected .event-action { color: var(--gold); }
.event-inline-evidence { padding: 0 22px 24px 85px; font-size: 14px; }
.event-inline-evidence h4 { font-size: 16px; font-weight: 400; }
.timeline-enhanced .event-inline-evidence { display: none; }
.timeline-evidence { background: var(--forest); color: var(--paper); padding: 26px; border-radius: 5px; position: sticky; top: 24px; max-height: calc(100vh - 48px); max-height: calc(100dvh - 48px); overflow-y: auto; overflow-wrap: anywhere; }
.timeline-evidence:focus-visible { outline-color: var(--light-gold); }
#atlas-evidence-slot { position: sticky; top: 24px; }
.evidence-heading { border-bottom: 1px solid #64705f; padding-bottom: 14px; margin-bottom: 17px; }
.evidence-heading h2 { font-size: 24px; line-height: 1.5; letter-spacing: -.02em; font-weight: 300; margin: 0; }
.evidence-heading p { margin: 3px 0 0; font-size: 12px; color: var(--panel-copy); }
.evidence-category { font-size: 12px; color: var(--light-gold); margin: 0 0 5px; }
#atlas-evidence-title { font-size: 23px; font-weight: 300; line-height: 1.6; letter-spacing: -.02em; margin: 0 0 13px; }
.evidence-date-basis { font-size: 12px; color: var(--panel-copy); margin: 0 0 17px; }
.evidence-dates { margin: 0; font-size: 12px; font-variant-numeric: tabular-nums; }
.evidence-dates > div { display: grid; grid-template-columns: 95px minmax(0, 1fr); gap: 10px; margin-top: 9px; }
.evidence-dates dt { color: var(--panel-copy); }
.evidence-dates dd { margin: 0; }
.evidence-entities { font-size: 12px; color: var(--panel-copy); margin: 16px 0 0; }
.evidence-sources, .evidence-related { margin-top: 23px; padding-top: 18px; border-top: 1px solid #64705f; }
.evidence-sources h4, .evidence-related h4 { font-weight: 400; font-size: 12px; margin: 0 0 10px; color: var(--panel-copy); }
.evidence-sources ol, .evidence-related ul { list-style: none; padding: 0; margin: 0; }
.evidence-sources li + li, .evidence-related li + li { margin-top: 18px; }
.evidence-source-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--paper); color: var(--ink); border-radius: 4px; padding: 10px 13px; text-decoration: none; font-size: 13px; }
.evidence-source-link span { font-size: 11px; flex-shrink: 0; }
.evidence-source-link:hover { background: #e7ebdf; text-decoration: none; }
.evidence-sources li > p { margin: 7px 0 0; color: var(--panel-copy); font-size: 11px; }
.evidence-sources time { display: block; }
.evidence-article-link { font-size: 16px; font-weight: 300; line-height: 1.75; text-decoration: none; }
.evidence-record-link { display: inline-block; font-size: 12px; margin-top: 16px; }
.evidence-related > p, .evidence-boundary { margin: 10px 0 0; font-size: 11px; color: var(--panel-copy); }
.evidence-boundary { border-top: 1px solid #64705f; margin-top: 23px; padding-top: 16px; line-height: 1.8; }
.timeline-evidence a:focus-visible { outline-color: var(--light-gold); }
.event-inline-evidence .evidence-date-basis, .event-inline-evidence dt, .event-inline-evidence h4, .event-inline-evidence .evidence-sources p, .event-inline-evidence .evidence-related > p, .event-inline-evidence .evidence-boundary, .event-inline-evidence .evidence-entities { color: var(--muted); }
.event-inline-evidence .evidence-source-link { background: var(--soft); }
.event-inline-evidence .evidence-sources, .event-inline-evidence .evidence-related, .event-inline-evidence .evidence-boundary { border-color: var(--line); }
.timeline-more { display: block; margin: 12px auto 0; min-height: 44px; padding: 9px 30px; border: 1px solid #b9c0b5; border-radius: 100px; color: var(--forest); background: transparent; font-size: 14px; }
.timeline-more:hover { background: var(--soft); }
.timeline-empty { padding: 36px 0 55px; }
.timeline-empty h2 { font-size: 26px; font-weight: 300; margin: 0 0 12px; }
.timeline-empty p { font-size: 14px; color: var(--muted); }
.timeline-empty button { margin: 10px 0 0; }
.timeline-method { border-top: 1px solid var(--line); padding: 22px 0; margin: 50px 0 30px; font-size: 14px; }
.timeline-method summary { min-height: 36px; }
.timeline-method > div { max-width: 75ch; color: var(--muted); line-height: 1.9; }
.timeline-footer { background: var(--ink); color: #d5dacd; font-size: 12px; padding: 28px 0; }
.timeline-footer > div { display: flex; gap: 26px; width: min(1180px, calc(100% - 80px)); margin: auto; flex-wrap: wrap; }
.timeline-footer span { margin-right: auto; }
@media (max-width: 1060px) {
  .timeline-container, .local-band > div, .timeline-footer > div { width: calc(100% - 56px); }
  .timeline-workspace { grid-template-columns: minmax(0, 1fr) 310px; gap: 26px; }
  .timeline-evidence { padding: 23px; }
  .track-filters { gap: 22px; }
  .event-select { grid-template-columns: 57px minmax(0, 1fr); gap: 12px; }
  .event-date time { font-size: 21px; }
  .event-title { font-size: 19px; }
  .event-row-footer { align-items: flex-start; }
}
@media (max-width: 820px) {
  .timeline-workspace { grid-template-columns: 1fr; }
  #atlas-evidence-slot { position: static; }
  .timeline-evidence { position: static; max-height: none; overflow-y: visible; margin: 18px 0 26px; }
  .timeline-intro { gap: 24px; }
  .timeline-scope { padding-left: 20px; font-size: 12px; }
  .timeline-scope p:first-child { font-size: 14px; }
  .timeline-filter-fields { flex-wrap: wrap; }
  .timeline-search { flex-basis: 100%; }
  .timeline-guidance { display: block; }
  .timeline-guidance p + p { margin-top: 5px; }
  .event-select { grid-template-columns: 68px minmax(0, 1fr); gap: 18px; }
  .event-title { font-size: 21px; }
  .evidence-dates > div { grid-template-columns: 110px minmax(0, 1fr); }
  .evidence-sources time { display: inline; }
}
@media (max-width: 600px) {
  .timeline-container, .local-band > div, .timeline-footer > div { width: calc(100% - 40px); }
  .local-band span { display: none; }
  .timeline-intro { display: block; padding: 34px 0 24px; }
  .timeline-intro h1 { font-size: 40px; }
  .timeline-lead { font-size: 17px; }
  .timeline-scope { border-left: 0; padding: 0; margin-top: 20px; }
  .timeline-scope p { display: inline; font-size: 11px; }
  .timeline-scope p:first-child { display: block; font-size: 13px; margin-bottom: 1px; }
  .timeline-scope strong { font-size: 18px; }
  .track-filters { gap: 0 20px; }
  .track-filter { padding: 8px 0; font-size: 13px; }
  .timeline-filter-fields { gap: 12px; margin-top: 18px; }
  .filter-select { font-size: 12px; gap: 6px; flex: 1; }
  .filter-select select { min-width: 0; width: 100%; font-size: 12px; padding: 8px 7px; }
  .timeline-guidance { margin: 15px 0 24px; }
  .month-heading { flex-wrap: wrap; gap: 4px 14px; }
  .month-heading h2 { font-size: 25px; }
  .event-select { grid-template-columns: 52px minmax(0, 1fr); gap: 12px; padding: 20px 7px 20px 0; }
  .event-date time { font-size: 20px; }
  .event-date small { font-size: 10px; }
  .event-category { font-size: 11px; }
  .event-title { font-size: 19px; line-height: 1.7; }
  .event-summary { font-size: 12px; line-height: 1.85; }
  .event-row-footer { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
  .event-action { margin-top: 0; }
  .timeline-evidence { padding: 22px; margin: 14px 0 20px; }
  #atlas-evidence-title { font-size: 22px; }
  .event-inline-evidence { padding: 0 8px 24px 0; }
  .selection-note button { display: block; margin: 12px 0 0; }
  .timeline-method { margin-top: 34px; }
  .timeline-footer > div { gap: 12px 24px; }
  .timeline-footer span { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }