.tl-ladder{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}.tl-era{position:relative;display:block;padding:16px 18px 16px 58px;border:1px solid var(--border-1);border-radius:var(--radius-md,12px);background:var(--surface-card);text-decoration:none;color:inherit;transition:border-color var(--dur-base,.2s) var(--ease-forge,ease),background var(--dur-base,.2s) var(--ease-forge,ease)}.tl-era:before{content:attr(data-num);position:absolute;left:0;top:0;bottom:0;width:46px;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:var(--text-md);color:var(--ember);border-right:1px solid var(--border-1)}.tl-era:focus-visible,.tl-era:hover{border-color:var(--border-accent);background:var(--surface-raised)}.tl-era-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 14px}.tl-era-name{font-family:var(--font-display);font-weight:600;font-size:var(--text-lg);line-height:var(--leading-tight);letter-spacing:.04em;color:var(--text-hi);margin:0}.tl-era-range{font-family:var(--font-mono);font-size:var(--text-2xs);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--text-faint)}.tl-era-desc{margin:8px 0 0;font-family:var(--font-serif);font-size:var(--text-sm);line-height:var(--leading-base);color:var(--text-body);text-wrap:pretty}.tl-events{list-style:none;margin:0;padding:0;counter-reset:tl-ev;display:flex;flex-direction:column}.tl-event{counter-increment:tl-ev;border-bottom:1px solid var(--border-1)}.tl-event:first-child{border-top:1px solid var(--border-1)}.tl-event a{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 16px;padding:13px 8px 13px 46px;position:relative;text-decoration:none;color:inherit}.tl-event a:before{content:counter(tl-ev,decimal-leading-zero);position:absolute;left:6px;top:15px;font-family:var(--font-mono);font-size:var(--text-2xs);color:var(--text-faint);letter-spacing:var(--tracking-caps)}.tl-event a:focus-visible .tl-event-t,.tl-event a:hover .tl-event-t{color:var(--link-hover);text-decoration:underline}.tl-event-y{flex:0 0 auto;min-width:118px;font-family:var(--font-mono);font-size:var(--text-2xs);letter-spacing:var(--tracking-wide);text-transform:uppercase;color:var(--ember)}.tl-event-t{font-family:var(--font-serif);font-size:var(--text-base);line-height:var(--leading-snug);color:var(--text-body)}.tl-cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}@media (max-width:640px){.tl-era{padding-left:18px}.tl-era:before{position:static;width:auto;display:inline-block;border:none;margin-bottom:4px;padding-right:8px}.tl-event-y{min-width:0;flex-basis:100%}}