html[data-nhi]{--nhi-bg:#f7f5ee;--nhi-surface:#e9ede2;--nhi-raised:#f0f1e9;--nhi-text:#203d34;--nhi-muted:#536357;--nhi-line:#71846d;--nhi-accent:#735020;--nhi-selected:#173e35;--nhi-selected-text:#f3efe5;--nhi-focus:#7a5024;--nhi-control:#fffdf7;--nhi-note:#715223;color-scheme:light}html[data-nhi][data-nhi-theme=dark]{--nhi-bg:#082b24;--nhi-surface:#103b31;--nhi-raised:#17473a;--nhi-text:#f3efe5;--nhi-muted:#c3d3c7;--nhi-line:#7c9e88;--nhi-accent:#edc68b;--nhi-selected:#c7d8a9;--nhi-selected-text:#082b24;--nhi-focus:#f1c982;--nhi-control:#0c3229;--nhi-note:#f0c58d;--green:#f3efe5;--paper:#082b24;--color-ink:#f3efe5;--color-muted:#c3d3c7;--color-border:#7c9e88;color-scheme:dark}html[data-nhi]{background:var(--nhi-bg);color:var(--nhi-text)}html[data-nhi] .ufo-page{--ufo-muted:var(--nhi-muted);--ufo-line:var(--nhi-line)}html[data-nhi] :is(a,button,input,select,summary,[tabindex]):focus-visible{outline:3px solid var(--nhi-focus);outline-offset:3px}html[data-nhi] .ufo-page .filter-panel{background:var(--nhi-surface)}html[data-nhi] .ufo-page :is(.detail-content,.institution-roster,.people-profile-panel,.person-card,.entity-card,.index-start,.index-method-note){background:var(--nhi-raised)}html[data-nhi] .ufo-page :is(.source-status,.institution-card[open]>summary,.profile-toolbar,.person-open:hover,.person-open[aria-expanded=true],.person-anchor:target,.portrait-fallback){background:var(--nhi-surface);color:var(--nhi-text)}html[data-nhi] .ufo-page :is(.source-status.secondary,.source-list a,.source-list p,.people-hero h1 em,.event-significance>span,.portrait-fallback){color:var(--nhi-muted)}html[data-nhi] .ufo-page :is(.filter-chip,.filter-panel input:not([type=checkbox]):not([type=radio]),.filter-panel select,.reading-tools input){background:var(--nhi-control);color:var(--nhi-text);border-color:var(--nhi-line)}html[data-nhi] .ufo-page input::placeholder{color:var(--nhi-muted)}html[data-nhi] .ufo-page :is(.view-switch a[aria-current],.button){background:var(--nhi-selected);color:var(--nhi-selected-text)}html[data-nhi] .ufo-page .update-card{background:var(--nhi-surface);color:var(--nhi-text);border:1px solid var(--nhi-line)}html[data-nhi] .ufo-page :is(.view-switch a[aria-current] span,.update-card dt){color:inherit}html[data-nhi] .ufo-page .button-outline{background:transparent;color:var(--nhi-text);border-color:var(--nhi-line)}html[data-nhi] .ufo-page #filter-warning{color:var(--nhi-note)}html[data-nhi] .ufo-page .ufo-event:target{background:var(--nhi-surface);box-shadow:none;border-inline-start:3px solid var(--nhi-accent);padding-inline:.75rem}html[data-nhi] .nhi-theme-control{display:flex;align-items:center;flex-wrap:wrap;gap:.35rem;font-size:.8rem}.nhi-theme-control span{margin-right:.25rem}.nhi-theme-control button{border:1px solid var(--nhi-line);padding:.4rem .7rem;min-height:44px;border-radius:3px;cursor:pointer}.nhi-theme-control [aria-pressed=true]{background:var(--nhi-selected);color:var(--nhi-selected-text);text-decoration:underline;text-underline-offset:.2em}.ufo-page .ufo-hero .index-name{font-size:clamp(2.9rem,7vw,5.8rem);line-height:1.08;letter-spacing:-.045em;max-width:17ch}.ufo-page .ufo-hero .index-name span{font-size:.52em;line-height:1.4;letter-spacing:-.025em}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:.6rem 1.4rem;margin:1.7rem 0}.index-start{padding:1.3rem;margin-top:2rem;border:1px solid var(--ufo-line);scroll-margin-top:1rem}.index-start h2{margin-bottom:1rem}.index-start p+p{margin-top:1rem}.starter-path{display:grid;gap:.8rem;margin:1.2rem 0;list-style:decimal;padding-left:1.3rem}.starter-path a{display:inline-flex;align-items:center;min-height:44px;text-decoration:underline}.starter-path span{display:block;color:var(--ufo-muted);font-size:.85rem}.ways-to-use{display:grid;gap:1rem;border-top:1px solid var(--ufo-line);padding-top:1rem}.ways-to-use p{font-size:.86rem;margin:0!important}.index-method-note{padding:1.2rem;margin:1rem 0;border:1px solid var(--ufo-line);font-size:.9rem}.index-method-note h3{font-size:1.6rem;margin-bottom:1rem}.index-method-note p+p{margin-top:1rem}.chapter-link{font-size:.78rem;text-decoration:underline;display:inline-flex;min-height:44px;align-items:center}.inquiry{border-left:2px solid var(--nhi-accent);padding-left:.8rem;margin-top:.6rem}.reading-workspace{display:grid;grid-template-columns:minmax(0,1fr);gap:1.5rem;align-items:start}.timeline-feed{min-width:0}.filter-essentials h3{font-size:1.4rem;margin-bottom:.75rem}.filter-essentials>.nhi-theme-control{margin-bottom:.6rem}.filter-essentials>label{margin-top:.65rem}.filter-essentials #result-count{margin:.5rem 0;font-size:.85rem}.filter-essentials>[aria-label="Active filters"]{max-height:none}.filter-essentials .underlined{font-size:.78rem;margin-right:.65rem}.filter-options{margin-top:1rem;border-top:1px solid var(--ufo-line);padding-top:.75rem}.scroll-hint,.catalog-note{font-size:.72rem;color:var(--ufo-muted);margin:.4rem 0 .7rem}.visible-choices{min-width:0;border:0;margin:0 0 .9rem;padding:0}.visible-choices legend{font-size:.83rem;font-weight:650;padding:0;margin-bottom:.4rem}.choice-list{display:flex;flex-wrap:wrap;gap:.3rem}.filter-panel .choice{display:flex;align-items:center;gap:.35rem;min-height:44px;padding:.4rem .55rem;border:1px solid var(--nhi-line);border-radius:3px;font-weight:400;font-size:.75rem;cursor:pointer;max-width:100%;line-height:1.4;overflow-wrap:anywhere}.choice input{width:16px;height:16px;accent-color:var(--nhi-selected);flex-shrink:0}.choice:has(:checked){background:var(--nhi-selected);color:var(--nhi-selected-text);text-decoration:underline;text-underline-offset:.2em}.choice:has(:disabled){opacity:.7;cursor:default}.ufo-page .filter-top,.ufo-page .filter-grid,.ufo-page .institution-refine,.ufo-page .people-filter-grid{grid-template-columns:minmax(0,1fr)}.reading-tools{position:sticky;top:0;z-index:5;padding:.65rem;background:var(--nhi-surface);border:1px solid var(--nhi-line);box-shadow:0 3px 8px #0002}.reading-tools label{display:grid;gap:.2rem;font-size:.75rem}.reading-tools input{min-width:0;width:100%;font-size:1rem;min-height:44px;border:1px solid;padding:.4rem}.reading-tools-bottom{display:flex;flex-wrap:wrap;align-items:center;gap:0 .8rem;font-size:.72rem}.reading-tools-bottom :is(a,button){min-height:44px;display:inline-flex;align-items:center;text-decoration:underline}.reading-tools>p{font-size:.7rem;overflow-wrap:anywhere;max-height:4.2em;overflow:auto}.ufo-page :is(.ufo-event,.timeline-era,.institution-card,.person-profile,.people-profile-panel,#timeline-filters){scroll-margin-top:12rem}@media(min-width:600px){.ways-to-use{grid-template-columns:repeat(3,minmax(0,1fr))}.starter-path,.ufo-page .people-filter-grid,.ufo-page .institution-refine{grid-template-columns:repeat(2,minmax(0,1fr))}.ufo-page .people-filter-grid>.visible-choices{grid-column:1/-1}}@media(min-width:1100px)and (min-height:760px){.ufo-page:not(.people-page){max-width:1440px}.reading-workspace{grid-template-columns:350px minmax(0,1fr);gap:2rem}.reading-workspace>.filter-panel{position:sticky;top:1rem;max-height:calc(100svh - 2rem);display:flex;flex-direction:column;padding:1rem}.filter-essentials{flex:none}.filter-options{min-height:12rem;overflow:auto;scrollbar-gutter:stable;padding-right:.6rem}.reading-tools{display:none}.reading-workspace .ufo-event{grid-template-columns:100px minmax(0,1fr);gap:1.25rem}.reading-workspace .era-heading{padding-left:120px}.ufo-page :is(.ufo-event,.timeline-era){scroll-margin-top:2rem}}@media(max-height:500px){.reading-tools label{display:flex;gap:.7rem;align-items:center}.reading-tools input{min-height:40px}.reading-tools>p{display:none}.reading-tools{padding:.35rem .6rem}.reading-tools-bottom :is(a,button){min-height:36px}}@media print{html[data-nhi],html[data-nhi][data-nhi-theme=dark]{--nhi-bg:#fff;--nhi-surface:#fff;--nhi-raised:#fff;--nhi-text:#111;--nhi-muted:#333;--nhi-line:#777;--nhi-selected:#fff;--nhi-selected-text:#111;--green:#111;--paper:#fff;--color-ink:#111;color-scheme:light;background:#fff;color:#111}.nhi-theme-control,.reading-tools,.filter-panel,.hero-actions,.view-switch,.site-header,.site-footer{display:none!important}.reading-workspace{display:block}.ufo-page .ufo-event{break-inside:avoid}.ufo-page .source-list a:after,.profile-works a:after{content:" (" attr(href) ")";font-size:.7rem;overflow-wrap:anywhere}.detail-content,.person-card{background:#fff!important}.ufo-page .event-detail:not([open])>.detail-content{display:block!important}.ufo-page .index-name{font-size:2.5rem!important}}html[data-nhi] .ufo-page .filter-panel input[type=radio]{width:16px;height:16px;min-height:0;max-width:16px;padding:0;margin:0;border:0;background:transparent;color:inherit;accent-color:var(--nhi-selected);flex-shrink:0}.reading-workspace{overflow-anchor:none}.ufo-page .reading-workspace>.filter-panel{display:block;overflow:auto;scrollbar-gutter:stable}.ufo-page .filter-options{overflow:visible;min-height:0;padding-right:0}.filter-essentials .search-field{margin-top:.5rem}.filter-jumps{display:flex;flex-wrap:wrap;gap:0 .85rem;margin:.5rem 0}.filter-jumps a{display:inline-flex;align-items:center;min-height:44px;font-size:.8rem;text-decoration:underline}.filter-group{min-width:0;border:0;border-top:1px solid var(--nhi-line);padding:1rem 0;margin:0;scroll-margin-top:7rem}.filter-group legend,.filter-group h4{font-size:1rem;font-weight:650;padding:0 .3rem 0 0}.filter-group .search-scope{margin:.3rem 0 .6rem;font-size:.8rem;line-height:1.5}.facet-heading{display:flex;align-items:center;justify-content:space-between;gap:.7rem;font-size:.8rem}.ufo-page .underlined,.filter-actions :is(button,a){min-height:44px;display:inline-flex;align-items:center}.ufo-page .choice-list{display:grid;gap:0;min-width:0}.ufo-page .filter-panel .choice{display:flex;align-items:center;gap:.6rem;min-height:44px;padding:.35rem .2rem;border:0;border-radius:0;font-size:.86rem;line-height:1.35;font-weight:400}.ufo-page .choice input[type=checkbox]{width:18px;height:18px;min-height:18px;flex:0 0 18px;accent-color:var(--nhi-selected);margin:0}.ufo-page .choice:has(:checked){background:var(--nhi-raised);color:var(--nhi-text);text-decoration:none;font-weight:650}.ufo-page .choice>span:first-of-type{flex:1;min-width:0;overflow-wrap:anywhere}.option-count{color:var(--nhi-muted);font-size:.76rem;font-variant-numeric:tabular-nums;padding-inline:.25rem}.subject-row{display:flex;align-items:center;border-bottom:1px solid var(--nhi-line);gap:.4rem;min-width:0}.subject-row .choice{flex:1}.subject-row small{display:block;color:var(--nhi-muted);font-size:.73rem;font-weight:400;margin-top:.15rem}.subject-row>a{font-size:.72rem;min-height:44px;display:inline-flex;align-items:center;text-decoration:underline}#selected-entities:empty{display:none}#selected-entities{display:flex;flex-wrap:wrap;gap:.3rem;margin:.5rem 0}.date-bounds{display:grid;gap:.7rem}.date-bound{display:grid;grid-template-columns:minmax(0,1fr) minmax(70px,.6fr);gap:.5rem;align-items:start}.date-error{grid-column:1/-1;color:var(--nhi-note);font-size:.8rem}.range-summary{font-size:.87rem;font-weight:650;margin-top:.7rem}.filter-actions{display:flex;flex-wrap:wrap;gap:.3rem 1rem;align-items:center;font-size:.8rem;margin:.4rem 0}#filter-display label+label{margin-top:.65rem}.ufo-page #results-summary{border-block:1px solid var(--nhi-line);padding:1rem 0;scroll-margin-top:7rem;min-width:0}.ufo-page #result-count{font-size:1.3rem;line-height:1.4}#active-filters{display:flex;flex-wrap:wrap;gap:.35rem;margin:.65rem 0}.ufo-page .filter-chip{background:var(--nhi-control);color:var(--nhi-text);border-color:var(--nhi-line);min-height:44px;font-size:.8rem}.ufo-page .reading-tools{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:0 .6rem;position:sticky;top:env(safe-area-inset-top,0px);z-index:5;padding:.3rem max(.6rem,env(safe-area-inset-right)) .3rem max(.6rem,env(safe-area-inset-left));margin:.8rem 0;background:var(--nhi-surface);font-size:.8rem;line-height:1.3}.reading-tools>span{white-space:nowrap}.reading-tools :is(a,button){min-height:44px;display:inline-flex;align-items:center;text-decoration:underline}.reading-tools #persistent-count{font-weight:650}html[data-nhi] :is(a,button,input,select,[tabindex]){scroll-margin-block:7rem 1rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.ufo-page [hidden]{display:none!important}@media(min-width:600px)and (max-width:1099px){#timeline-filters .choice-list{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:1rem}#timeline-filters #entity-choices{grid-template-columns:1fr}.date-bounds{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:1100px)and (min-height:760px){.ufo-page .reading-tools{display:none}.ufo-page .reading-workspace>.filter-panel{position:sticky;top:1rem;max-height:calc(100svh - 2rem);overflow:auto}.filter-group,.ufo-page #results-summary{scroll-margin-top:1rem}html[data-nhi] :is(a,button,input,select,[tabindex]){scroll-margin-block:1rem}}@media(max-height:500px){.ufo-page .reading-tools{position:static}.ufo-page #timeline-filters{max-height:none;position:static}.ufo-page :is(#results-summary,.filter-group,.ufo-event){scroll-margin-top:1rem}}@media print{.ufo-page .reading-tools,#results-summary{display:none!important}}.ufo-page .essential-hero{padding-block:1.2rem 0}.ufo-page .essential-hero .index-name{font-size:clamp(2.1rem,5vw,4rem);max-width:none}.essential-hero .hero-actions{margin:1rem 0}.essential-preview{margin:1.3rem 0 1rem;scroll-margin-top:7rem}.essential-preview h2{font-size:1.5rem;margin-bottom:.5rem}.essential-preview>p{max-width:65ch;font-size:.9rem}.essential-preview ol{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;list-style:none;padding:0;margin:1rem 0}.essential-preview li{border:1px solid var(--nhi-line);background:var(--nhi-surface);padding:1rem;min-width:0}.essential-preview li h3{font-size:1.25rem;line-height:1.35;margin:.4rem 0}.essential-preview li h3 a{text-decoration:underline;text-underline-offset:.2em}.essential-preview li p{font-size:.85rem;margin:.5rem 0}.preview-reason{color:var(--nhi-muted)}.filter-disclosure{border-top:1px solid var(--nhi-line);min-width:0}.filter-disclosure>summary{display:list-item;padding:.65rem 0;min-height:44px;font-size:.95rem;font-weight:650;cursor:pointer;overflow-wrap:anywhere}.filter-disclosure>summary>span{display:block;font-size:.76rem;font-weight:400;color:var(--nhi-muted);margin-top:.2rem}.filter-disclosure .filter-group{border:0;padding-top:.35rem}.ufo-page .reading-workspace>.filter-panel{overflow:visible;position:static;max-height:none;scrollbar-gutter:auto}.ufo-page .reading-tools{display:flex}.essential-reason{border-inline-start:2px solid var(--nhi-accent);padding-inline-start:.85rem;margin:1rem 0}.essential-reason p{font-size:.9rem}.essential-reason .inquiry{border:0;padding:0;margin:.5rem 0;color:var(--nhi-muted)}.entry-evidence{font-size:.85rem;color:var(--nhi-muted);margin:.65rem 0}.editorial-assessment{font-size:.85rem;margin:.65rem 0}.editorial-assessment>summary{cursor:pointer;min-height:44px;padding:.5rem 0;color:var(--nhi-muted)}.editorial-assessment>div{padding:1rem;background:var(--nhi-raised);border:1px solid var(--nhi-line)}.editorial-assessment p+p{margin-top:.7rem}.editorial-assessment ul{padding-inline-start:1.2rem;margin:.8rem 0}.editorial-assessment li{margin:.5rem 0}.era-related>summary{font-size:.8rem;cursor:pointer;min-height:44px;padding:.5rem 0}#assessment-method dl div{margin:.6rem 0}#assessment-method dt{font-weight:650}@media(max-width:767px){.essential-preview ol{grid-template-columns:1fr}.essential-preview li:not(:first-child){display:none}.essential-preview>p{font-size:.85rem}.ufo-page .essential-hero .index-name span{font-size:.62em}.essential-hero .edition-strip{font-size:.72rem}.filter-jumps{gap:0 .6rem}}@media(max-height:500px){.ufo-page .reading-tools{position:static}}@media print{.essential-preview,.editorial-assessment{display:none}.ufo-page .reading-tools{display:none!important}}