/* The knowledge library: a quiet, monochrome research desk. */
.knowledge-header{padding-top:76px;padding-bottom:58px;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:90px;align-items:end}.knowledge-header h1{font-size:clamp(48px,5.5vw,84px);letter-spacing:-.058em;line-height:1.06}.knowledge-header h1>span{color:#838383}.knowledge-header .lede{max-width:680px;font-size:18px;line-height:1.8;margin:28px 0 0;color:var(--muted)}.library-counts{border-left:1px solid var(--line);padding-left:38px;display:grid;gap:18px}.library-counts>div{display:flex;align-items:baseline;gap:16px}.library-counts strong{font-size:32px;font-weight:400;letter-spacing:-.04em;width:44px}.library-counts span{font-size:12px;color:var(--muted)}.library-counts>a{font-size:12px;margin-top:8px;text-decoration:underline;text-underline-offset:6px}.knowledge-search-panel{padding:34px 38px;background:#252525;color:#fff;border-radius:18px}.knowledge-search-label{display:block;font-size:15px;margin-bottom:17px}.knowledge-search-row{display:flex;gap:14px}.knowledge-search-input{display:flex;align-items:center;gap:15px;background:#fff;border-radius:9px;padding:0 18px;flex:1;min-width:0;color:#444}.knowledge-search-input>span{font-size:30px}.knowledge-search-input input{background:transparent;color:#222;border:0;width:100%;min-width:0;font-size:18px;min-height:62px}.knowledge-search-input input:focus{outline:none}.knowledge-search-input:focus-within{outline:3px solid #b7b7b7;outline-offset:4px}.knowledge-search-row .button{border-radius:9px;padding:15px 22px}.knowledge-search-panel #search-scope{font-size:11px;color:#c8c8c8;margin:13px 0 20px;line-height:1.7}.knowledge-suggestions{display:flex;flex-wrap:wrap;gap:6px 20px;align-items:center;font-size:11px}.knowledge-suggestions>span{color:#b6b6b6}.knowledge-suggestions button{background:none;color:#f4f4f4;border-bottom:1px solid #777;padding:7px 0;min-height:36px;font-size:11px}.knowledge-suggestions button:hover{border-color:white}.knowledge-controls{display:flex;justify-content:space-between;align-items:end;gap:24px;padding:30px 0 23px;border-bottom:1px solid var(--line)}.resource-types{display:flex;gap:5px;flex-wrap:wrap}.resource-types button{min-height:46px;border:1px solid var(--line);border-radius:40px;padding:10px 17px;background:transparent;font-size:12px;white-space:nowrap}.resource-types button[aria-pressed=true]{background:#252525;color:white;border-color:#252525}.resource-types button span{font-size:10px;opacity:.65;margin-left:5px}.knowledge-selects{display:flex;gap:15px;min-width:0}.knowledge-selects label,.reading-filter{display:flex;flex-direction:column;gap:7px;font-size:10px;color:var(--muted)}.knowledge-selects select,.reading-filter select{min-height:44px;padding:10px 30px 10px 12px;font-size:13px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink);max-width:100%}.knowledge-results-header{display:flex;justify-content:space-between;gap:20px;align-items:baseline;margin:24px 0}.knowledge-results-header p{margin:0;font-size:12px;color:var(--muted)}.knowledge-results-header a{font-size:12px;white-space:nowrap}.knowledge-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.knowledge-card{padding:28px;display:flex;flex-direction:column;min-width:0;min-height:0;border:1px solid var(--line);border-radius:13px;background:#fdfdfc;transition:border-color .2s,box-shadow .2s}.knowledge-card:hover{border-color:#a8a8a8;box-shadow:0 10px 22px #22200006;transform:none}.resource-meta{display:flex;flex-wrap:wrap;justify-content:space-between;gap:7px 14px;font-size:9px;line-height:1.6;color:#686868;margin-bottom:22px}.resource-meta>span:first-child{font-weight:600;text-transform:uppercase;letter-spacing:.11em;color:#383838}.resource-meta>span:last-child{max-width:65%;text-align:right}.knowledge-card h3{font-size:25px;line-height:1.22;letter-spacing:-.035em;margin-bottom:12px}.knowledge-card h3 a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}.knowledge-card p{font-size:13px;line-height:1.8;color:var(--muted);margin-bottom:19px}.knowledge-card p.resource-subtitle{font-size:10px;line-height:1.7;margin:0 0 18px}.knowledge-card p.resource-author{font-size:11px;color:#444}.resource-bottom{margin-top:auto;padding-top:20px;border-top:1px solid #e9e9e5;display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.resource-bottom>a{font-size:12px;line-height:1.6}.resource-bottom>a span{margin-left:10px}.citation-button{padding:9px 11px;border:1px solid #d5d5d0;border-radius:6px;background:transparent;color:#444;font-size:11px;min-height:40px;text-align:left}.citation-button:hover{background:#ecece8}.knowledge-card mark{background:#e4e4df;color:inherit;padding:0 1px;border-radius:2px}.source-usage{font-size:11px;margin-top:20px}.source-usage summary{cursor:pointer;min-height:30px}.knowledge-related{margin:14px 0 0;padding-left:17px}.knowledge-related li{padding:5px 0;font-size:12px;line-height:1.8}.knowledge-related a{text-decoration:underline;text-decoration-color:#c9c9c3;text-underline-offset:4px}.knowledge-more{text-align:center;margin:32px 0}.knowledge-more button{min-width:230px}.knowledge-more button[hidden]{display:none}.reference-feedback{font-size:12px;color:#555;min-height:24px}.knowledge-empty{grid-column:1/-1;padding:50px;border:1px solid var(--line);border-radius:13px;text-align:center}.knowledge-empty h2{font-size:36px}.knowledge-empty p:not(.eyebrow){max-width:550px;margin:20px auto;font-size:15px}.reading-paths{padding-top:45px;padding-bottom:70px;scroll-margin-top:110px}.reading-paths .section-heading h2{font-size:48px}.reading-path-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}.reading-path{border:1px solid var(--line);border-radius:12px;padding:0 24px;background:#efefeb}.reading-path summary{list-style:none;cursor:pointer;display:flex;gap:19px;align-items:start;padding:25px 0}.reading-path summary::-webkit-details-marker{display:none}.path-number{font-size:10px;color:var(--muted);margin-top:5px}.reading-path strong{display:block;font-size:22px;font-weight:400;letter-spacing:-.025em}.reading-path small{display:block;font-size:12px;color:#666;line-height:1.7;margin-top:9px;max-width:350px}.path-plus{margin-left:auto;font-size:23px}.reading-path[open] .path-plus{transform:rotate(45deg)}.reading-path ol{border-top:1px solid #d7d7d2;padding:16px 0 12px 22px;margin:0;font-size:13px;line-height:1.8}.reading-path li{padding:8px 0 8px 7px}.reading-path a:hover{text-decoration:underline;text-underline-offset:4px}.knowledge-footnote{display:grid;grid-template-columns:1fr 1fr;gap:100px;padding-bottom:90px}.knowledge-footnote h2{font-size:44px;margin-bottom:24px}.knowledge-footnote h3{font-size:24px;margin-bottom:22px}.knowledge-footnote p{font-size:14px;max-width:510px;color:var(--muted)}.reading-room-header{align-items:center}.reading-room-header .crumb{display:block;margin-bottom:35px}.reading-room-note{border-left:1px solid var(--line);padding-left:30px}.reading-room-note p{font-size:23px;line-height:1.55;letter-spacing:-.025em}.reading-room-note a{font-size:12px}.reading-introduction>p:first-child{max-width:900px;font-size:15px;color:var(--muted)}.reading-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin:27px 0}.purchase-note{font-size:12px;color:#666;max-width:900px}.reading-filter{max-width:330px;margin:28px 0 15px;font-size:12px}.reading-filter select{font-size:16px}.reading-introduction #reading-status{font-size:12px}.reading-shelf{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding-bottom:70px}.reading-book{display:grid;grid-template-columns:40px minmax(0,1fr);border:1px solid var(--line);border-radius:14px;overflow:hidden;align-self:start;background:#fdfdfb;scroll-margin-top:115px}.reading-book:target{outline:2px solid #555;outline-offset:5px}.book-spine{background:#303030;color:#d3d3d3;display:flex;align-items:center;padding:26px 8px;gap:28px;flex-direction:column;font-size:11px}.book-spine>span:last-child{writing-mode:vertical-rl;letter-spacing:.09em;font-size:9px}.book-detail{padding:30px;min-width:0}.book-detail h2{font-size:28px;line-height:1.2;letter-spacing:-.035em;margin-bottom:13px}.book-detail>p{font-size:13px;line-height:1.8;color:#666}.book-detail p.book-authors{font-size:12px;color:#444}.book-facts{display:grid;gap:12px;padding:20px 0;margin:0;border-top:1px solid var(--line)}.book-facts>div{display:grid;grid-template-columns:58px 1fr;gap:12px;font-size:11px;line-height:1.7}.book-facts dt{color:#777}.book-facts dd{margin:0;overflow-wrap:anywhere}.book-detail p.edition-note{font-size:11px}.book-purchase{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:12px 0 23px}.book-purchase .button{font-size:12px;padding:14px 17px;min-height:48px}.book-purchase .text-link{font-size:11px;line-height:1.7}.book-reference{border-top:1px solid var(--line);padding-top:17px;font-size:12px}.book-reference summary{cursor:pointer;line-height:1.8;min-height:37px}.book-reference>p{font-size:12px;margin-top:14px;line-height:1.8}.book-reference h3{font-size:15px;letter-spacing:0;margin-top:22px}.book-check{display:block;font-size:9px;color:#777;line-height:1.8;margin-top:16px}.reading-empty{padding:25px;border:1px solid var(--line);border-radius:12px}.reading-book[hidden],.reading-empty[hidden]{display:none}.article-sources .book-discovery{display:block;margin-top:7px}.article-sources .book-discovery a{margin-right:16px}.article-sources [id]{scroll-margin-top:125px}.article-reference-download{margin:18px 0 26px}.inline-reference{text-decoration:underline;text-decoration-color:#aaa;text-underline-offset:3px}.article-related{margin:40px 0}.article-related h2{font-size:28px}.article-related .knowledge-related{margin-top:20px}.article-related .knowledge-related li{font-size:16px}.article-sources .source-discovery{font-size:11px;margin-left:10px}.knowledge-header~section [hidden]{display:none}
@media(max-width:1100px){.knowledge-header{gap:40px;grid-template-columns:minmax(0,1fr) 220px}.library-counts{padding-left:25px}.knowledge-controls{flex-direction:column;align-items:stretch}.knowledge-selects{justify-content:flex-end}.knowledge-results{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-footnote{gap:55px}.book-detail{padding:25px}.reading-shelf{gap:18px}.book-detail h2{font-size:25px}}
@media(max-width:700px){.knowledge-header{display:block;padding-top:40px;padding-bottom:30px}.knowledge-header h1{font-size:clamp(37px,9vw,55px);line-height:1.12}.knowledge-header .lede{font-size:16px;margin-top:22px}.library-counts{border:0;padding:25px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.library-counts>div{display:block}.library-counts strong{display:block;font-size:29px;margin-bottom:5px}.library-counts span{font-size:10px}.library-counts>a{grid-column:1/-1;margin-top:12px}.knowledge-search-panel{padding:25px 21px;border-radius:14px}.knowledge-search-row{gap:9px}.knowledge-search-input{padding:0 12px;gap:8px}.knowledge-search-input>span{display:none}.knowledge-search-input input{font-size:16px;min-height:56px}.knowledge-search-row .button{font-size:12px;padding:10px 12px}.knowledge-search-label{font-size:13px}.knowledge-suggestions{gap:3px 13px}.knowledge-suggestions button{min-height:40px;font-size:11px}.knowledge-suggestions>span{flex-basis:100%}.knowledge-controls{padding:22px 0 18px;gap:20px}.resource-types{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}.resource-types button{padding:9px 5px;font-size:10px;min-height:48px;white-space:normal}.resource-types button span{display:block;margin:3px 0 0;font-size:10px}.knowledge-selects{display:grid;grid-template-columns:minmax(0,1fr) 115px;gap:10px}.knowledge-selects select{font-size:16px;min-width:0;width:100%;padding-left:9px;padding-right:15px}.knowledge-results-header{display:block;margin:20px 0}.knowledge-results-header a{display:inline-block;margin-top:13px;min-height:28px}.knowledge-results{grid-template-columns:1fr;gap:15px}.knowledge-card{padding:24px}.knowledge-card h3{font-size:26px}.knowledge-card p{font-size:14px}.resource-meta{font-size:9px;margin-bottom:18px}.knowledge-card p.resource-subtitle{font-size:11px}.resource-bottom>a{min-height:36px;display:flex;align-items:center}.knowledge-empty{padding:30px 22px}.knowledge-empty h2{font-size:30px}.reading-paths{padding-top:25px;padding-bottom:45px}.reading-path-grid{grid-template-columns:1fr}.reading-paths .section-heading{display:block}.reading-paths .section-heading h2{font-size:36px;margin-bottom:20px}.reading-path{padding:0 20px}.reading-path summary{gap:13px;padding:22px 0}.reading-path strong{font-size:21px}.reading-path small{font-size:12px}.knowledge-footnote{grid-template-columns:1fr;gap:40px;padding-bottom:55px}.knowledge-footnote h2{font-size:36px}.reading-room-note{margin-top:30px;border-left:0;border-top:1px solid var(--line);padding:22px 0 0}.reading-room-note p{font-size:18px}.reading-shelf{grid-template-columns:1fr;padding-bottom:30px}.book-detail{padding:24px 20px}.reading-book{grid-template-columns:26px minmax(0,1fr)}.book-spine{padding:25px 5px;font-size:9px}.book-spine>span:last-child{font-size:8px}.book-detail h2{font-size:26px}.book-detail .resource-meta{display:block}.book-detail .resource-meta>span{display:block;max-width:none;text-align:left;margin-bottom:5px}.book-detail>p{font-size:14px}.book-purchase .button{width:100%;justify-content:center}.reading-actions .button{font-size:12px;padding:17px 18px}.book-facts>div{font-size:11px;grid-template-columns:48px 1fr;gap:8px}.reading-room-header .crumb{margin-bottom:25px}.article-sources .source-discovery{display:block;margin:6px 0 0}}

.latest-insights{padding-bottom:48px}.latest-insights .section-heading{align-items:end}.latest-insights .section-heading p{max-width:420px}.latest-insights .article-row h3{font-size:clamp(20px,2.1vw,30px)}