/* Knowledge library: reuse the site's typography, color and reading rhythm. */
.footer-links { flex-wrap: wrap; min-width: 0; gap: 14px 24px; }
.footer-grid { gap: 24px; }
.kb-home { padding-block: 82px 48px; }
.kb-hero { display: grid; grid-template-columns: minmax(0, 2.1fr) minmax(230px, 1fr); gap: 72px; align-items: end; padding-bottom: 60px; }
.kb-hero h1 { margin: 18px 0 24px; font-family: var(--serif); font-size: clamp(40px, 5vw, 68px); font-weight: 600; line-height: 1.22; letter-spacing: -.035em; }
.kb-lead { max-width: 720px; font-size: 18px; line-height: 1.9; color: var(--muted); }
.kb-intro-aside { border-left: 1px solid var(--line); padding-left: 28px; font-size: 14px; line-height: 1.9; color: var(--muted); }
.kb-intro-aside a { display: block; margin-top: 10px; color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.kb-edition { color: var(--forest); font-weight: 600; letter-spacing: .02em; }
.kb-search-section { padding-block: 30px 40px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.kb-search-section h2 { font-size: 19px; margin: 0 0 22px; }
.kb-search-form { display: grid; grid-template-columns: minmax(220px, 2.3fr) minmax(160px, 1fr) minmax(135px, .75fr) auto; gap: 16px; align-items: end; }
.kb-search-form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.kb-search-form input, .kb-search-form select, .kb-search-form button { width: 100%; min-height: 46px; padding: 10px 12px; font: inherit; font-size: 15px; color: var(--ink); background: var(--paper); border: 1px solid var(--muted); border-radius: 3px; }
.kb-search-form input { min-width: 0; }
.kb-search-form button { cursor: pointer; width: auto; }
.kb-search-form button:hover { background: var(--paper-deep); }
.kb-search-form > p { grid-column: 1 / -1; margin: 0; font-size: 12px; color: var(--muted); }
.kb-search-status { margin: 18px 0 0; font-size: 14px; color: var(--muted); }
.kb-search-status:empty { display: none; }
.kb-paths { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 22px; font-size: 14px; }
.kb-paths a { text-decoration: underline; text-underline-offset: 5px; }
.kb-themes, .kb-new-essays, .kb-project-section { margin-top: 64px; }
.kb-section-heading { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: baseline; justify-content: space-between; margin-bottom: 28px; }
.kb-section-heading h2 { margin: 0; font-family: var(--serif); font-size: clamp(28px, 3vw, 38px); font-weight: 600; letter-spacing: -.02em; }
.kb-section-heading > span, .kb-section-heading > a { font-size: 13px; color: var(--muted); }
.kb-section-heading > a { text-decoration: underline; text-underline-offset: 4px; }
.kb-theme-row { display: grid; grid-template-columns: minmax(240px, 1fr) minmax(0, 1.65fr); gap: 72px; padding-block: 32px; border-top: 1px solid var(--line); }
.kb-theme-row:last-child { border-bottom: 1px solid var(--line); }
.kb-order { color: var(--accent); font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; }
.kb-theme-label h3 { margin: 10px 0 12px; font-family: var(--serif); font-size: 26px; font-weight: 600; }
.kb-theme-label p { margin: 0; max-width: 380px; color: var(--muted); font-size: 14px; line-height: 1.85; }
.kb-theme-row ul { list-style: none; padding: 0; margin: 0; }
.kb-theme-row li + li { border-top: 1px solid var(--line); }
.kb-theme-row li a { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0; font-size: 16px; line-height: 1.65; }
.kb-theme-row li a span { color: var(--accent); flex-shrink: 0; }
.kb-essay-row { display: grid; grid-template-columns: 105px minmax(0, 1fr); gap: 24px; border-top: 1px solid var(--line); padding-block: 26px; }
.kb-essay-row time { color: var(--muted); font-size: 12px; padding-top: 5px; }
.kb-essay-row h3 { margin: 0 0 12px; font-family: var(--serif); font-size: 26px; line-height: 1.45; font-weight: 600; }
.kb-essay-row p, .kb-project-list p { margin: 8px 0 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.kb-project-list { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 48px; padding: 0; list-style: none; }
.kb-project-list li { padding-top: 18px; border-top: 1px solid var(--line); }
.kb-project-list a { font-size: 18px; font-weight: 600; }
.kb-archive { margin-top: 60px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.kb-archive summary { padding-block: 22px; cursor: pointer; font-weight: 600; }
.kb-archive ul { list-style: none; margin: 0 0 28px; padding: 0; }
.kb-archive li { display: grid; grid-template-columns: 95px minmax(0, 1fr) 25px; gap: 12px; padding-block: 12px; border-top: 1px solid var(--line); font-size: 14px; }
.kb-archive time, .kb-archive li > span { color: var(--muted); font-size: 12px; }
.kb-library-footer { display: flex; flex-wrap: wrap; gap: 16px 26px; padding-block: 32px; color: var(--muted); font-size: 13px; }
.kb-library-footer a { text-decoration: underline; text-underline-offset: 4px; }
.kb-note { padding-block: 56px 76px; }
.kb-note-header { margin-bottom: 48px; border-bottom: 1px solid var(--line); padding-bottom: 28px; }
.kb-breadcrumb { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; font-size: 13px; color: var(--muted); }
.kb-note-header h1, .kb-topic-header h1 { font-family: var(--serif); font-size: clamp(32px, 4vw, 49px); font-weight: 600; line-height: 1.35; margin: 16px 0 20px; letter-spacing: -.025em; overflow-wrap: anywhere; }
.kb-summary { font-size: 18px; color: var(--muted); line-height: 1.9; }
.kb-meta { display: flex; flex-wrap: wrap; gap: 0 5px; font-size: 12px; color: var(--muted); line-height: 2; }
.kb-meta a, .kb-text-link { text-decoration: underline; text-underline-offset: 4px; }
.kb-references, .kb-related { margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line); }
.kb-references h2, .kb-related h2 { font-family: var(--serif); font-size: 23px; font-weight: 600; margin: 0 0 18px; }
.kb-references ul, .kb-related ul { padding-left: 20px; margin-block: 20px; }
.kb-references li, .kb-related li { padding-left: 4px; margin-bottom: 14px; }
.kb-references a, .kb-related a { text-decoration: underline; text-underline-offset: 4px; line-height: 1.8; }
.kb-references p, .kb-related p { color: var(--muted); font-size: 14px; margin: 7px 0 0; line-height: 1.8; }
.kb-topic-page { max-width: 1000px; padding-block: 64px 76px; }
.kb-topic-header { max-width: 760px; }
.kb-topic-header .eyebrow { margin-top: 40px; }
.kb-topic-header .prose { font-size: 17px; }
.kb-note-list { padding: 0; margin: 44px 0 0; list-style: none; }
.kb-note-list li { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 18px; padding-block: 26px; border-top: 1px solid var(--line); }
.kb-note-list .kb-order { padding-top: 7px; }
.kb-note-list h2 { font-size: 24px; font-family: var(--serif); font-weight: 600; line-height: 1.5; margin: 0 0 10px; }
.kb-note-list p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.kb-search-results ol { list-style: none; padding: 0; margin: 20px 0; }
.kb-search-results li { border-top: 1px solid var(--line); padding-block: 18px; }
.kb-search-results h3 { font-size: 19px; line-height: 1.6; margin: 8px 0; }
.kb-search-results p { margin: 5px 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.kb-result-meta { font-size: 12px; color: var(--forest); }
.kb-document { padding-block: 60px 76px; }
.kb-document h1 { font-family: var(--serif); font-size: clamp(32px, 4vw, 48px); line-height: 1.35; margin-block: 28px; }
.kb-document .prose table, .kb-note .prose table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; font-size: 15px; line-height: 1.8; margin-block: 28px; }
.kb-document .prose th, .kb-note .prose th, .kb-document .prose td, .kb-note .prose td { padding: 12px; border: 1px solid var(--line); min-width: 115px; text-align: left; }
.kb-document .prose th, .kb-note .prose th { background: var(--paper-deep); }
.kb-document .prose td:first-child, .kb-note .prose td:first-child { min-width: 130px; }
.kb-sources-list { padding: 0; list-style: none; }
.kb-sources-list li { padding-block: 20px; border-top: 1px solid var(--line); }
.kb-sources-list h2 { font-family: var(--serif); font-size: 22px; margin: 0 0 10px; }
.kb-sources-list p { margin: 6px 0; font-size: 14px; color: var(--muted); }
.kb-home-entry { margin-top: 28px; max-width: 730px; font-size: 15px; }
.kb-home-entry a { text-decoration: underline; text-underline-offset: 5px; }
.kb-home a:hover, .kb-topic-page a:hover, .kb-note a:hover, .kb-related a:hover { color: var(--accent); }
.kb-home :focus-visible, .kb-note :focus-visible, .kb-topic-page :focus-visible, .kb-document :focus-visible, .kb-related :focus-visible { outline: 3px solid var(--forest); outline-offset: 4px; border-radius: 2px; }
.kb-home [hidden] { display: none !important; }
@media (max-width: 980px) {
  .kb-hero { gap: 36px; grid-template-columns: minmax(0, 1.6fr) minmax(220px, 1fr); }
  .kb-theme-row { gap: 36px; grid-template-columns: minmax(200px, .85fr) minmax(0, 1.5fr); }
  .kb-search-form { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; }
  .kb-search-input { grid-column: 1 / -1; }
}
@media (max-width: 680px) {
  .kb-home { padding-block: 38px 24px; }
  .kb-hero { grid-template-columns: 1fr; gap: 24px; padding-bottom: 34px; }
  .kb-hero h1 { font-size: clamp(33px, 8.8vw, 44px); }
  .kb-lead { font-size: 16px; }
  .kb-intro-aside { border-left: 0; border-top: 1px solid var(--line); padding: 18px 0 0; font-size: 13px; }
  .kb-intro-aside p { margin-block: 8px; }
  .kb-intro-aside a { display: inline-block; margin-right: 16px; }
  .kb-search-form { gap: 14px 10px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .kb-search-form button { grid-column: 1 / -1; justify-self: start; min-width: 80px; }
  .kb-theme-row { grid-template-columns: 1fr; gap: 16px; }
  .kb-theme-label h3 { font-size: 24px; }
  .kb-theme-row li a { font-size: 15px; }
  .kb-themes, .kb-new-essays, .kb-project-section { margin-top: 44px; }
  .kb-essay-row { grid-template-columns: 1fr; gap: 10px; }
  .kb-essay-row h3 { font-size: 23px; }
  .kb-project-list { grid-template-columns: 1fr; gap: 24px; }
  .kb-archive li { grid-template-columns: minmax(0, 1fr) 24px; gap: 5px; }
  .kb-archive time { grid-column: 1 / -1; }
  .kb-note { padding-top: 32px; }
  .kb-breadcrumb { margin-bottom: 28px; }
  .kb-summary { font-size: 16px; }
  .kb-note-header { margin-bottom: 32px; }
  .kb-note-list h2 { font-size: 21px; }
  .kb-note-list li { grid-template-columns: 25px minmax(0, 1fr); gap: 12px; }
}