:root {
  color-scheme: light;
  --paper: #ffffff;
  --sheet: #f7f7f7;
  --surface: #ffffff;
  --ink: #171717;
  --muted: #626262;
  --line: #d8d8d8;
  --accent: #b32524;
  --accent-text: #ffffff;
  --soft: #f3f3f3;
  --rule: #6d6d6d;
  --serif: "Edition Serif", "Edition Han Serif", "Songti SC", "STSong", "SimSun", Georgia, serif;
  --sans: "Edition Inter", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #171717;
  --sheet: #212121;
  --surface: #191919;
  --ink: #f4f4f4;
  --muted: #b9b9b9;
  --line: #454545;
  --accent: #ff9c99;
  --accent-text: #171717;
  --soft: #2d2727;
  --rule: #adadad;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #171717;
    --sheet: #212121;
    --surface: #191919;
    --ink: #f4f4f4;
    --muted: #b9b9b9;
    --line: #454545;
    --accent: #ff9c99;
    --accent-text: #171717;
    --soft: #2d2727;
    --rule: #adadad;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 18px/1.9 var(--serif); -webkit-font-smoothing: antialiased; font-optical-sizing: auto; }
a { color: inherit; text-decoration: none; }
button, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
button, a, select { touch-action: manipulation; }
a:focus-visible, button:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
button, a { transition: color 140ms; }
svg { width: 20px; height: 20px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.wrap { width: calc(100% - 80px); max-width: 1472px; margin-inline: auto; }
.site-header { padding-top: 22px; border-bottom: 1px solid var(--ink); }
.masthead-topline { display: flex; justify-content: space-between; gap: 20px; font: 9px/1.8 var(--sans); letter-spacing: .08em; color: var(--muted); }
.masthead-main { display: flex; justify-content: center; padding: 19px 0 20px; }
.masthead-bottom { display: flex; align-items: center; gap: 28px; min-height: 49px; border-top: 2px solid var(--accent); }
.masthead-note { margin-left: auto; font: 10px/1.8 var(--sans); color: var(--muted); }
.site-header.header-compact { display: flex; align-items: center; justify-content: space-between; min-height: 110px; padding: 17px 0; }
.header-compact .brand-name { font-size: 32px; letter-spacing: -.035em; }
.header-compact .brand-sub { font-size: 11px; }
.brand { display: flex; flex-direction: column; justify-content: center; align-items: center; min-height: 48px; }
.brand-name { font: 600 62px/1.08 var(--serif); letter-spacing: -.045em; white-space: nowrap; }
.brand-sub { font: 14px/1.9 var(--serif); letter-spacing: .12em; color: var(--muted); margin-top: 6px; }
.header-nav { display: flex; align-items: center; gap: 29px; font: 13px var(--sans); }
.header-nav a { display: flex; align-items: center; min-height: 44px; white-space: nowrap; }
.header-nav a:hover, .header-nav a[aria-current="page"] { color: var(--accent); }
.header-nav a[aria-current="page"] { text-decoration: underline; text-underline-offset: 7px; }
.theme-toggle { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; color: var(--muted); }
.theme-toggle:hover { color: var(--ink); }
.eyebrow { font: 11px/1.8 var(--sans); color: var(--muted); letter-spacing: .035em; }

/* An open editorial spread, not a tile or card system. */
.home-hero { display: flex; align-items: end; justify-content: space-between; gap: 50px; padding: 34px 0 42px; }
.hero-copy { max-width: 850px; }
.hero-copy h1 { font: 500 25px/1.6 var(--serif); margin: 0 0 9px; }
.hero-mission { font-size: 16px; line-height: 1.9; color: var(--muted); margin: 0; }
.collection-counts { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 22px; font: 11px/1.8 var(--sans); color: var(--muted); flex-shrink: 0; }
.collection-counts strong { font-size: 18px; font-weight: 500; color: var(--ink); margin-right: 4px; }
.section-label { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 22px; }
.section-label h2 { font: 500 15px/1.7 var(--sans); margin: 0; }
.section-label > span { font: 10px var(--sans); letter-spacing: .06em; color: var(--accent); }
.daily { margin: 0; padding: 0; border: 0; background: transparent; }
.lead-spread { display: flex; align-items: center; gap: 4%; }
.cover-home { flex: 0 0 60%; }
.daily-content { flex: 1; min-width: 0; }
.cover-block { min-width: 0; margin: 0; }
.cover-frame { display: block; width: 100%; background: transparent; padding: 0; border: 0; }
.article-cover { display: block; width: 100%; height: auto; object-fit: contain; }
.cover-block figcaption { color: var(--muted); font: 10px/1.8 var(--sans); margin-top: 9px; }
.article-category { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; font: 11px/1.8 var(--sans); color: var(--accent); }
.article-category > span { color: var(--muted); }
.daily h2 { font: 600 clamp(32px,3.05vw,48px)/1.45 var(--serif); margin: 13px 0 18px; }
.daily h2 a:hover, .chapter-copy h3 a:hover, .secondary-copy h3 a:hover, .article-row h2 a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 6px; }
.original-title { font: 17px/1.7 var(--serif); color: var(--muted); margin: 0; overflow-wrap: anywhere; }
.daily .original-title { font-size: 18px; }
.daily-copy { font-size: 18px; line-height: 1.95; margin: 23px 0; }
.daily-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 26px; }
.primary-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 22px; min-height: 48px; color: var(--ink); border: 0; border-bottom: 1px solid currentColor; padding: 6px 0; font: 14px/1.8 var(--sans); }
.primary-button:hover { color: var(--accent); }
.primary-button svg { width: 18px; height: 18px; }
.save-button { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 9px 0; font: 12px/1.7 var(--sans); color: var(--muted); }
.save-button svg { width: 15px; height: 17px; }
.save-button[aria-pressed="true"] { color: var(--accent); }
.save-button[aria-pressed="true"] svg { fill: var(--soft); }
.estimate-note { font: 11px/1.8 var(--sans); margin: 13px 0 0; color: var(--muted); }
.source-facts { display: flex; flex-wrap: wrap; gap: 16px 28px; margin: 24px 0 0; font-family: var(--sans); }
.source-facts > div { min-width: 100px; flex: 1 1 110px; }
.source-facts dt { font-size: 10px; line-height: 1.8; color: var(--muted); margin-bottom: 3px; }
.source-facts dd { margin: 0; font-size: 12px; line-height: 1.9; overflow-wrap: anywhere; }
.source-facts .fact-institution dd { font-weight: 600; }
.source-facts .fact-author { flex: 2 1 210px; }
.daily > .source-facts { margin: 34px 0 0; gap: 20px 36px; }
.selection-note { max-width: 860px; padding: 0; margin: 100px auto 120px; }
.selection-note h2 { font: 500 24px/1.7 var(--serif); margin: 0 0 17px; }
.selection-note ol { margin: 0; padding-left: 19px; color: var(--muted); font: 14px/2 var(--sans); }
.selection-note li { padding-left: 5px; margin: 5px 0; }
.selection-note p { font: 12px/1.9 var(--sans); color: var(--muted); margin: 16px 0 0; }
.selection-note p a { display: inline-flex; align-items: center; gap: 7px; min-height: 38px; margin-left: 12px; color: var(--accent); }
.selection-note svg { width: 13px; height: 13px; }
.shelves { padding: 0; }
.section-heading { max-width: 920px; margin: 0 0 110px; }
.section-heading h2 { font: 500 43px/1.55 var(--serif); margin: 12px 0 18px; }
.section-heading p { font-size: 16px; line-height: 1.95; color: var(--muted); margin: 0; }

/* Five finite magazine chapters; big artwork alternates with unframed text. */
.editorial-chapter { margin: 0 0 160px; }
.chapter-opener { display: flex; align-items: start; gap: 32px; margin: 0 0 54px; }
.chapter-number { font: 400 70px/1 var(--serif); letter-spacing: -.055em; color: var(--accent); padding-top: 26px; }
.chapter-opener .eyebrow { margin: 0 0 8px; }
.chapter-opener h2 { font: 500 clamp(38px,4.2vw,64px)/1.4 var(--serif); margin: 0 0 16px; letter-spacing: -.02em; }
.chapter-description { font-size: 18px; line-height: 1.9; color: var(--muted); max-width: 850px; margin: 0; }
.chapter-feature { display: flex; align-items: center; gap: 6%; }
.cover-chapter { flex: 0 0 54%; }
.chapter-copy { flex: 1; min-width: 0; }
.chapter-reverse .chapter-feature { flex-direction: row-reverse; }
.chapter-wide .chapter-feature { gap: 5%; }
.chapter-wide .cover-chapter { flex-basis: 60%; }
.chapter-copy h3 { font: 500 clamp(28px,2.55vw,39px)/1.55 var(--serif); margin: 13px 0 18px; }
.chapter-guide { font-size: 18px; line-height: 2; margin: 25px 0; }
.chapter-copy .fact-author, .article-content .fact-author { flex-basis: 100%; }
.chapter-followup { max-width: 1050px; margin: 60px 0 0 auto; }
.chapter-reverse .chapter-followup { margin-left: 0; margin-right: auto; }
.chapter-followup > .eyebrow { margin: 0 0 15px; }
.secondary-list { list-style: none; margin: 0; padding: 0; }
.secondary-entry { display: flex; align-items: center; gap: 38px; padding: 25px 0; }
.cover-thumbnail { flex: 0 0 220px; }
.secondary-copy { flex: 1; min-width: 0; }
.secondary-copy h3 { font: 500 24px/1.6 var(--serif); margin: 0 0 12px; }
.secondary-source { font: 12px/1.95 var(--sans); margin: 0 0 8px; }
.secondary-meta { font: 11px/1.95 var(--sans); color: var(--muted); margin: 0; }
.secondary-copy .text-link { margin-top: 6px; }
.chapter-browse { margin-top: 20px; }
.editorial-colophon { max-width: 860px; margin: 0 auto 100px; }
.editorial-colophon h2 { font: 500 25px/1.7 var(--serif); margin: 0 0 16px; }
.editorial-colophon p { font-size: 17px; line-height: 2; color: var(--muted); margin: 0; }
.site-footer { display: flex; align-items: start; justify-content: space-between; gap: 35px; border-top: 1px solid var(--line); padding: 30px 0 35px; font: 10px/2 var(--sans); color: var(--muted); }
.footer-mark { font: 600 24px/1.4 var(--serif); color: var(--ink); letter-spacing: -.03em; margin-bottom: 10px; }
.footer-right { text-align: right; }
.footer-right a { display: inline-flex; align-items: center; min-height: 36px; text-decoration: underline; text-underline-offset: 4px; }
.breadcrumb { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font: 12px/1.7 var(--sans); color: var(--muted); }
.breadcrumb svg { width: 15px; height: 15px; }

/* A catalogue is a succession of complete horizontal spreads, never tiles. */
.shelf-hero { padding: 40px 0 50px; max-width: 1080px; }
.shelf-hero > .eyebrow { display: block; margin-top: 45px; color: var(--accent); }
.shelf-hero h1 { font: 500 clamp(42px,5vw,76px)/1.4 var(--serif); margin: 15px 0 24px; }
.shelf-hero .lead { font-size: 22px; line-height: 1.9; max-width: 900px; color: var(--muted); margin: 0; }
.shelf-description { font: 14px/2 var(--sans); color: var(--muted); margin: 17px 0 12px; }
.criteria-link { display: inline-flex; align-items: center; gap: 10px; min-height: 38px; font: 12px/1.85 var(--sans); color: var(--accent); }
.criteria-link svg { width: 13px; height: 13px; }
.filters { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 28px; padding: 8px 0; margin-bottom: 64px; font: 12px var(--sans); }
.filter-field { display: flex; align-items: center; gap: 12px; }
.filter-field label { color: var(--muted); }
select { background: var(--paper); border: 0; border-bottom: 1px solid var(--rule); border-radius: 0; min-height: 44px; max-width: 270px; padding: 0 32px 0 1px; font: 12px var(--sans); }
.filter-summary { margin-left: auto; color: var(--muted); font-size: 11px; }
.clear-filter { min-height: 44px; padding: 0 8px; font: 11px var(--sans); color: var(--muted); text-decoration: underline; text-underline-offset: 4px; }
.article-list { margin: 0; padding: 0; list-style: none; }
.article-row { display: flex; align-items: center; gap: 6%; padding: 0; margin: 0 0 120px; border: 0; background: transparent; }
.row-cover { flex: 0 0 55%; min-width: 0; }
.article-content { flex: 1; min-width: 0; }
.article-list > li:nth-child(even) .article-row { flex-direction: row-reverse; gap: 8%; }
.article-list > li:nth-child(even) .row-cover { flex-basis: 48%; }
.article-list > li:nth-child(3n) .row-cover { flex-basis: 58%; }
.article-index { display: block; margin: 0 0 15px; font: 11px/1.8 var(--sans); color: var(--muted); }
.article-row h2 { font: 500 clamp(29px,2.6vw,40px)/1.55 var(--serif); margin: 13px 0 20px; }
.article-row .original-title { font-size: 16px; }
.article-guide { font-size: 18px; line-height: 2; margin: 27px 0 22px; }
.article-caveat { font: 12px/2 var(--sans); color: var(--muted); margin: 0; }
.article-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 27px; margin-top: 18px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 8px 0; font: 13px/1.7 var(--sans); color: var(--accent); }
.text-link svg { width: 15px; height: 15px; }
.read-length { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 9px; margin: 22px 0 0; color: var(--ink); }
.read-length .number { font: 400 28px/1.3 var(--serif); }
.read-length .unit { font: 11px/1.8 var(--sans); color: var(--muted); }
.read-length .public-label { flex-basis: 100%; font: 11px/1.9 var(--sans); color: var(--muted); margin-top: 2px; }
.shelf-end { text-align: center; font: 12px/2 var(--sans); color: var(--muted); margin: 30px 0 85px; }
.empty-state { text-align: center; padding: 60px 20px 90px; }
.empty-state > svg { width: 31px; height: 40px; color: var(--rule); margin-bottom: 12px; }
.empty-state h1, .empty-state h2 { font: 500 30px/1.7 var(--serif); }
.empty-state p { font-size: 18px; color: var(--muted); max-width: 500px; margin: 14px auto; }
.storage-note { font: 12px/1.9 var(--sans); color: var(--muted); margin: 0; }
.list-tools { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 55px; }
.quiet-button { font: 12px/1.7 var(--sans); min-height: 44px; padding: 9px 0; color: var(--muted); text-decoration: underline; text-underline-offset: 4px; }
.undo-banner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 10px 0; font: 12px var(--sans); margin: 18px 0; }
.undo-banner button { text-decoration: underline; min-height: 44px; }

/* The single-article page opens with a large uncropped cover, then a narrow reading column. */
.article-page { margin: auto; padding: 25px 0 80px; }
.article-tools { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.focus-switch { display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 0; font: 12px var(--sans); color: var(--muted); }
.focus-switch svg { width: 15px; height: 15px; }
.article-kicker { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin: 0 0 30px; }
.article-kicker .eyebrow { color: var(--accent); }
.time-compact { font: 12px var(--sans); color: var(--muted); white-space: nowrap; }
.cover-article { width: 100%; max-width: 1280px; margin: 0 auto 65px; }
.cover-article[data-cover-shape="portrait"] { max-width: 820px; }
.article-heading { max-width: 1040px; margin: 0 auto; }
.article-title { font: 500 clamp(35px,4vw,60px)/1.55 var(--serif); margin: 0 0 25px; overflow-wrap: anywhere; }
.article-page .original-title { font-size: 23px; line-height: 1.75; }
.detail-meta { margin: 35px 0 0; }
.detail-meta .source-facts { gap: 22px 30px; }
.detail-meta .source-facts dd { font-size: 13px; }
.access-meta { font: 12px/1.9 var(--sans); color: var(--muted); margin: 20px 0 0; }
.article-body { max-width: 720px; margin: 70px auto 0; }
.pre-read-question { margin: 0 0 50px; padding: 0; }
.pre-read-question .eyebrow { display: block; margin-bottom: 14px; color: var(--accent); }
.pre-read-question p { font-size: 26px; line-height: 1.9; margin: 0; }
.guide-heading { font: 500 12px/1.8 var(--sans); color: var(--muted); margin: 0 0 22px; }
.focus-guide p { font-size: 20px; line-height: 2.05; margin: 0 0 24px; }
.reading-boundary { padding: 0; margin: 48px 0; border: 0; background: transparent; }
.reading-boundary h2 { font: 500 12px/1.8 var(--sans); color: var(--accent); margin: 0 0 14px; }
.reading-boundary p { font: 14px/2 var(--sans); color: var(--muted); margin: 0; }
.session-note { font: 14px/2 var(--sans); color: var(--muted); margin: 26px 0; }
.original-entry { margin: 36px 0 30px; }
.original-entry .primary-button { display: flex; min-height: 58px; font-size: 15px; }
.original-disclaimer { font: 12px/2 var(--sans); color: var(--muted); margin: 17px 0 0; }
.detail-secondary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 10px; margin-bottom: 30px; }
.complete-button { display: flex; align-items: center; gap: 9px; min-height: 44px; padding: 7px 0; font: 12px/1.7 var(--sans); color: var(--accent); }
.complete-button svg { width: 17px; height: 17px; }
.publication-note { font: 11px/2 var(--sans); color: var(--muted); }
.focus-mode .site-header, .focus-mode .site-footer { display: none; }
.focus-mode .article-page { padding-top: 26px; }
.focus-mode .article-title { font-size: 46px; }
.focus-mode .focus-switch { color: var(--accent); }
.principles-page { max-width: 780px; padding: 40px 0 90px; margin: auto; }
.principles-page > .eyebrow { margin-top: 35px; }
.principles-page h1 { font: 500 52px/1.6 var(--serif); margin: 13px 0 30px; }
.principles-page h2 { font: 500 26px/1.7 var(--serif); margin-top: 45px; }
.principles-page p, .principles-page li { font-size: 18px; line-height: 2; }
.principles-page .mission { font-size: 25px; line-height: 1.9; margin: 32px 0; }
.principles-page ul { padding-left: 22px; }
.principles-page li { margin: 15px 0; }
.principles-page .no-error { font: 11px/1.9 var(--sans); color: var(--muted); }
.skip-link { position: fixed; top: 10px; left: 15px; z-index: 10; background: var(--accent); color: var(--accent-text); padding: 12px 20px; font: 14px var(--sans); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.boot { max-width: 760px; margin: 90px auto; padding: 25px; }
.boot h1 { font: 500 35px/1.5 var(--serif); }
.noscript-note { padding: 30px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 1100px) {
  .wrap { width: calc(100% - 64px); }
  .home-hero { display: block; }
  .collection-counts { margin-top: 17px; }
  .lead-spread { gap: 4%; }
  .daily h2 { font-size: 32px; }
  .daily-copy, .chapter-guide { font-size: 17px; }
  .daily .original-title { font-size: 16px; }
  .chapter-opener h2 { font-size: 43px; }
  .chapter-copy h3 { font-size: 29px; }
  .chapter-feature { gap: 5%; }
  .cover-chapter { flex-basis: 54%; }
  .chapter-wide .cover-chapter { flex-basis: 58%; }
  .cover-thumbnail { flex-basis: 190px; }
  .article-row h2 { font-size: 29px; }
  .article-guide { font-size: 17px; }
  .source-facts { gap: 14px 22px; }
}
@media (max-width: 900px) {
  .lead-spread, .chapter-feature, .chapter-reverse .chapter-feature, .article-row, .article-list > li:nth-child(even) .article-row { display: block; }
  .daily-content { max-width: 720px; margin: 36px auto 0; }
  .daily h2 { font-size: 38px; }
  .daily > .source-facts { margin-top: 32px; }
  .chapter-copy { max-width: 720px; margin: 35px auto 0; }
  .chapter-followup { margin-top: 50px; }
  .row-cover { width: 100%; }
  .article-content { max-width: 720px; margin: 34px auto 0; }
  .article-row { margin-bottom: 105px; }
  .article-row h2 { font-size: 34px; }
  .article-guide { font-size: 18px; }
  .source-facts .fact-author { flex-basis: 100%; }
  .cover-article[data-cover-shape="portrait"] { max-width: 100%; }
}
@media (max-width: 600px) {
  .wrap { width: calc(100% - 44px); }
  .site-header { padding-top: 14px; }
  .masthead-topline { gap: 15px; font-size: 7px; letter-spacing: .025em; }
  .masthead-main { padding: 20px 0 17px; }
  .masthead-bottom { min-height: 48px; gap: 18px; }
  .masthead-bottom > .theme-toggle { margin-left: auto; }
  .masthead-note { display: none; }
  .site-header.header-compact { min-height: 94px; padding: 17px 0; }
  .header-compact .brand-name { font-size: 29px; }
  .header-compact .brand-sub { font-size: 10px; }
  .brand-name { font-size: 39px; }
  .brand-sub { font-size: 12px; letter-spacing: .09em; margin-top: 6px; }
  .header-nav { gap: 15px; font-size: 11px; }
  .header-nav .home-nav { display: none; }
  .theme-toggle { width: 30px; height: 44px; }
  .theme-toggle svg { width: 17px; height: 17px; }
  .home-hero { padding: 26px 0 34px; }
  .hero-copy h1 { font-size: 23px; line-height: 1.65; }
  .hero-mission { font-size: 16px; line-height: 1.95; }
  .collection-counts { gap: 8px 16px; font-size: 10px; margin-top: 17px; }
  .collection-counts strong { font-size: 17px; }
  .section-label { margin-bottom: 18px; }
  .section-label h2 { font-size: 13px; }
  .section-label > span { font-size: 9px; }
  /* Every artwork is full viewport width, including the secondary reading list. */
  .cover-block { width: calc(100% + 44px); margin-left: -22px; margin-right: -22px; }
  .cover-block figcaption { padding-inline: 22px; font-size: 9px; margin-top: 8px; }
  .daily-content { margin-top: 30px; }
  .daily h2 { font-size: 31px; line-height: 1.6; margin: 13px 0 17px; }
  .article-category { font-size: 10px; }
  .daily .original-title, .original-title { font-size: 16px; }
  .daily-copy { font-size: 18px; line-height: 2; margin: 23px 0; }
  .daily-actions { gap: 8px 24px; }
  .primary-button { font-size: 13px; }
  .estimate-note { font-size: 10px; }
  .source-facts, .daily > .source-facts { gap: 17px 25px; margin-top: 28px; }
  .source-facts > div { flex: 1 1 120px; }
  .source-facts .fact-institution, .source-facts .fact-author { flex-basis: 100%; }
  .source-facts dd { font-size: 12px; }
  .source-facts dt { font-size: 10px; }
  .selection-note { margin: 70px 0 90px; }
  .selection-note h2 { font-size: 23px; }
  .selection-note ol { font-size: 12px; }
  .selection-note p { font-size: 11px; }
  .selection-note p a { margin-left: 4px; }
  .section-heading { margin-bottom: 70px; }
  .section-heading h2 { font-size: 32px; line-height: 1.7; }
  .section-heading p { font-size: 15px; }
  .eyebrow { font-size: 10px; }
  .editorial-chapter { margin-bottom: 100px; }
  .chapter-opener { display: block; margin-bottom: 32px; }
  .chapter-number { display: block; font-size: 58px; padding: 0; margin-bottom: 20px; }
  .chapter-opener h2 { font-size: 36px; line-height: 1.5; letter-spacing: 0; margin-bottom: 17px; }
  .chapter-description { font-size: 17px; line-height: 1.95; }
  .chapter-copy { margin-top: 28px; }
  .chapter-copy h3 { font-size: 29px; line-height: 1.65; }
  .chapter-guide { font-size: 18px; line-height: 2; margin: 22px 0; }
  .chapter-followup { margin-top: 55px; }
  .chapter-followup > .eyebrow { margin-bottom: 25px; }
  .secondary-entry { display: block; padding: 0; margin: 0 0 50px; }
  .secondary-copy { margin-top: 22px; }
  .secondary-copy h3 { font-size: 25px; line-height: 1.65; }
  .secondary-source { font-size: 11px; }
  .secondary-meta { font-size: 10px; }
  .chapter-browse { margin-top: 0; }
  .editorial-colophon { margin: 0 0 65px; }
  .editorial-colophon h2 { font-size: 24px; }
  .editorial-colophon p { font-size: 17px; }
  .site-footer { display: block; padding: 26px 0 32px; font-size: 9px; }
  .footer-right { text-align: left; margin-top: 22px; }
  .shelf-hero { padding: 22px 0 30px; }
  .shelf-hero > .eyebrow { margin-top: 35px; }
  .shelf-hero h1 { font-size: 42px; line-height: 1.55; margin: 14px 0 19px; }
  .shelf-hero .lead { font-size: 19px; line-height: 1.95; }
  .shelf-description { font-size: 12px; }
  .criteria-link { font-size: 11px; line-height: 1.9; }
  .filters { gap: 10px 12px; padding: 10px 0; margin-bottom: 45px; }
  .filter-field { flex: 1 1 100%; gap: 12px; }
  .filter-field label { width: 28px; font-size: 11px; }
  .filter-field select { width: calc(100% - 40px); max-width: none; }
  .filter-summary { margin-left: 40px; font-size: 10px; }
  .clear-filter { margin-left: auto; padding-right: 0; font-size: 10px; }
  .article-row { margin-bottom: 85px; }
  .article-index { font-size: 10px; margin-bottom: 15px; }
  .article-content { margin-top: 29px; }
  .article-row h2 { font-size: 30px; line-height: 1.65; margin: 12px 0 18px; }
  .article-row .original-title { font-size: 16px; }
  .read-length { margin-top: 22px; }
  .read-length .number { font-size: 27px; }
  .read-length .unit, .read-length .public-label { font-size: 10px; }
  .article-guide { font-size: 18px; line-height: 2.05; }
  .article-caveat { font-size: 11px; line-height: 2; }
  .article-actions { gap: 7px 25px; }
  .article-actions .text-link { font-size: 12px; }
  .shelf-end { text-align: left; font-size: 11px; margin: 0 0 55px; }
  .list-tools { align-items: start; gap: 15px; margin-bottom: 40px; }
  .list-tools .storage-note { font-size: 10px; max-width: 230px; }
  .list-tools .quiet-button { font-size: 10px; white-space: nowrap; }
  .empty-state { padding: 45px 0 65px; }
  .empty-state h1, .empty-state h2 { font-size: 26px; }
  .empty-state p { font-size: 17px; }
  .article-page { padding: 16px 0 55px; }
  .article-tools { margin-bottom: 18px; gap: 10px; }
  .breadcrumb { font-size: 11px; }
  .focus-switch { font-size: 10px; gap: 6px; white-space: nowrap; }
  .article-kicker { margin-bottom: 22px; gap: 12px; }
  .article-kicker .eyebrow { font-size: 9px; }
  .time-compact { font-size: 10px; }
  .cover-article { margin-bottom: 38px; }
  .article-title, .focus-mode .article-title { font-size: 34px; line-height: 1.65; margin: 0 0 22px; }
  .article-page .original-title { font-size: 19px; line-height: 1.85; }
  .detail-meta { margin-top: 28px; }
  .detail-meta .source-facts dd { font-size: 12px; }
  .access-meta { font-size: 11px; line-height: 1.9; margin-top: 20px; }
  .article-body { margin-top: 48px; }
  .pre-read-question { margin: 0 0 36px; }
  .pre-read-question p { font-size: 23px; line-height: 1.95; }
  .guide-heading { font-size: 11px; margin-bottom: 20px; }
  .focus-guide p { font-size: 18px; line-height: 2.08; margin-bottom: 22px; }
  .reading-boundary { margin: 36px 0; }
  .reading-boundary h2 { font-size: 11px; }
  .reading-boundary p, .session-note { font-size: 12px; line-height: 2; }
  .original-entry .primary-button { font-size: 13px; }
  .original-disclaimer { font-size: 10px; }
  .detail-secondary { flex-wrap: wrap; gap: 12px; }
  .complete-button { font-size: 11px; }
  .publication-note { font-size: 10px; }
  .focus-mode .article-page { padding-top: 17px; }
  .principles-page { padding: 25px 0 65px; }
  .principles-page h1 { font-size: 40px; }
  .principles-page h2 { font-size: 25px; }
  .principles-page p, .principles-page li { font-size: 18px; }
  .principles-page .mission { font-size: 23px; }
  .boot { margin: 40px auto; }
  .boot h1 { font-size: 29px; }
}
@media (max-width: 370px) {
  .brand-name { font-size: 34px; }
  .brand-sub { font-size: 11px; }
  .header-compact .brand-name { font-size: 27px; }
  .header-nav { gap: 11px; font-size: 10px; }
  .hero-copy h1 { font-size: 22px; }
  .chapter-opener h2 { font-size: 32px; }
  .daily h2, .article-row h2 { font-size: 28px; }
  .article-title, .focus-mode .article-title { font-size: 31px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}