/* Image-led reading and restrained motion. Source illustrations stay uncropped. */
:root { --motion-ease: cubic-bezier(.16,1,.3,1); --card-paper: #fffdf8;
  --muted: #48574d; --muted-dim: #48574d; --control-line: #788579;
  --danger-ink: #9b2727; --danger-surface: #fff1ed; }
/* Readable secondary text; control boundaries and focus work on cream and teal. */
:focus-visible { outline: 3px solid var(--ink-pure); outline-offset: 3px;
  box-shadow: 0 0 0 3px #fff; }
.care-section :focus-visible, .btn-primary:focus-visible {
  outline-color: #fff; box-shadow: 0 0 0 6px var(--ink-pure); }
.btn-secondary, .topic-pill { border-color: var(--control-line); }
.article-body a:not(.btn):not(.related-card) {
  text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .2em; }
.article-body details > summary { min-height: 48px; padding-block: .65rem;
  color: var(--ink-pure); cursor: pointer; }
.red-flags-box { background: var(--danger-surface); border-color: #b54839; }
.red-flags-box :is(h3,h4) { color: var(--danger-ink); }
.article-body .medical-disclaimer, .article-body figcaption { color: var(--muted); }
html { scrollbar-color: #83998d var(--bg); }
.site-header { background: rgba(250,246,238,.94); border-bottom-color: transparent; transition: background 240ms ease, border-color 240ms ease; }
@supports (backdrop-filter: blur(12px)) { .site-header { backdrop-filter: blur(12px); } }
.site-header.is-scrolled { background: rgba(250,246,238,.98); border-bottom-color: var(--line); }
.header-inner { min-height: 78px; }
.nav a { padding-inline: 1rem; border-radius: 999px; transition: background 180ms ease, color 180ms ease; }
.home-intro { background: var(--bg); }
.home-intro-inner { grid-template-columns: minmax(0,1.4fr) minmax(0,1fr); padding-block: 4.5rem 4rem; gap: 4.25rem; }
.home-intro h1 { font-size: clamp(3.15rem,5vw,4.5rem); line-height: 1.08; max-width: none; }
.home-intro h1 em { color: var(--accent); }
.intro-description { font-size: 1.07rem; line-height: 1.85; }
.doctor-context { margin-block: 1.65rem; }
.home-portrait-frame { align-self: center; max-width: 27rem; justify-self: end; }
.portrait-crop { height: 510px; border-radius: 16px; background: var(--bg-subtle); }
.home-portrait-frame figcaption { margin-top: 1rem; font-size: .72rem; }
.btn { transition: background 180ms ease, color 180ms ease, transform 240ms var(--motion-ease); }
.btn:active { transform: translateY(1px); }
.home-actions .btn { min-height: 52px; border-radius: 999px; }
.home-page > .home-section { padding-block: 4.5rem; }
.home-page > #van-de { border-top: 1px solid var(--line); }
.needs-list a { transition: background 200ms ease; }
.needs-list svg { transition: transform 240ms var(--motion-ease); }
.needs-list a:hover svg { transform: translateX(4px); }
.needs-list a:hover .need-title { color: var(--accent); }
.home-page > .care-section { background: var(--accent); padding: 3.75rem; }
.home-section-heading { align-items: end; gap: 1.5rem; }
.home-section-heading h2 { max-width: 17ch; }
.home-page > #bai-viet { border-top: 1px solid var(--line); }
.home-page #bai-viet .home-section-heading h2 { max-width: none; }
.article-preview-list { align-items: stretch; }
.article-preview-link, .home-page .article-preview-link {
  border: 1px solid var(--line); border-radius: 12px; background: var(--card-paper);
  padding: 0; overflow: hidden; height: 100%; display: flex; flex-direction: column;
  transition: transform 350ms var(--motion-ease), border-color 240ms ease;
}

.article-preview-link:focus-visible { outline-offset: 5px; }
.article-preview-media { display: block; width: 100%; aspect-ratio: 16/10; overflow: hidden; background: white; }
.article-preview-image { width: 100%; height: 100%; object-fit: contain; background: white; border-radius: 0; margin: 0; padding: .75rem; transition: transform 500ms var(--motion-ease); }
.article-preview-content { display: flex; flex-direction: column; flex: 1; gap: .75rem; padding: 1.45rem; }
.card-title { font-size: 1.4rem; line-height: 1.3; margin: 0; text-wrap: pretty; }
.card-summary { font-size: .87rem; line-height: 1.75; margin: 0 0 .5rem; }
.card-meta { display: block; font-size: .72rem; line-height: 1.6; padding-top: .5rem; }
.home-page .article-preview-list { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1.25rem; margin-top: 2rem; }
.home-page .article-preview:first-child { grid-column: 1 / -1; grid-row: auto; }
.home-page .article-preview:first-child .article-preview-link { display: grid; grid-template-columns: 1fr 1.05fr; }
.home-page .article-preview:first-child .article-preview-media { aspect-ratio: auto; min-height: 320px; height: 340px; }
.home-page .article-preview:first-child .article-preview-image { padding: 1rem; }
.home-page .article-preview:first-child .article-preview-content { justify-content: center; padding: 2rem; }
.home-page .article-preview:first-child .card-title { font-size: clamp(1.75rem,2.5vw,2.2rem); max-width: 27ch; }
.home-page .article-preview:first-child .card-meta { margin-top: .25rem; padding-top: 0; }
.home-page .article-preview:not(:first-child) .article-preview-link,
.library-page .article-preview-link { display: grid; grid-template-columns: 176px minmax(0,1fr); }
.home-page .article-preview:not(:first-child) .article-preview-media,
.library-page .article-preview-media { aspect-ratio: auto; height: 100%; min-height: 160px; }
.home-page .article-preview:not(:first-child) .article-preview-content { padding: 1.1rem; }
.home-page .article-preview:not(:first-child) .card-title { font-size: 1.3rem; }
.home-page .article-preview:not(:first-child) .card-summary,
.library-page .card-summary { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 0; }
.home-page .article-preview:not(:first-child) .card-meta,
.library-page .card-meta { padding-top: 0; }
.library-wrap.library-page { width: min(100% - 2 * var(--pad),74rem); max-width: 74rem; }
.library-page .page-head { padding-block: 3.5rem 2rem; max-width: 52rem; }
.library-page .page-head h1 { font-size: clamp(2.5rem,4.4vw,3.7rem); line-height: 1.12; max-width: 22ch; }
.library-page .page-head .lead { font-size: 1rem; max-width: 60ch; }
.library-page .topic-nav { gap: .6rem; padding: 0; margin-block: 0 3.25rem; }
.library-page .topic-pill { border-radius: 999px; padding: .6rem 1rem; background: var(--card-paper); }
.library-page .topic-pill:hover, .library-page .topic-pill.active { background: var(--accent); color: white; }
.library-page .article-group { margin-block: 0 4rem; scroll-margin-top: 7rem; }
.library-page .article-group h2 { font-size: 2rem; font-weight: 600; margin-bottom: 1.5rem; }
.library-page .article-preview-list { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1.25rem; }
.library-page .article-preview-content { padding: 1.1rem; gap: .6rem; }
.library-page .card-title { font-size: 1.3rem; }
.clinic-location { background: var(--card-paper); }
.contact-page .page-head h1 { font-size: clamp(2.5rem,4vw,3.5rem); line-height: 1.15; }
.profile-hero { padding-block: 3.5rem; }
.profile-hero .portrait { border-radius: 16px; }
.prose .page-head { padding-block: 3rem 1.5rem; }
.prose .page-head h1 { font-size: clamp(2.1rem,3.8vw,3.15rem); line-height: 1.17; }
.prose .article-figure { overflow: hidden; border-radius: 12px; }
.prose h2, .prose section[id] { scroll-margin-top: 7rem; }
.reading-progress { position: fixed; top: 0; left: 0; width: 100%; height: 3px; background: var(--accent); transform: scaleX(var(--reading-progress,0)); transform-origin: left; z-index: 100; pointer-events: none; }
.reading-page.prose { width: min(100% - 2 * var(--pad),74rem); max-width: 74rem; }
.reading-page .page-head { max-width: 56rem; padding-bottom: 2rem; }
.reading-page .specialty-tagline { margin: 1rem 0 0; font-size: .82rem; letter-spacing: 0; text-transform: none; color: var(--muted); }
.article-reading-layout { display: grid; grid-template-columns: 220px minmax(0,68ch); gap: 3.5rem; align-items: start; }
.article-body { min-width: 0; }
.article-side-nav { position: sticky; top: 6.5rem; max-height: calc(100dvh - 8rem); overflow: auto; scrollbar-width: thin; }
.article-outline summary { min-height: 44px; display: flex; align-items: center; font-weight: 600; font-size: .9rem; cursor: pointer; list-style: none; }
.article-outline summary::-webkit-details-marker { display: none; }
.article-outline summary::after { content: ''; width: 8px; height: 8px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); margin-left: auto; margin-right: 4px; }
.article-outline[open] summary::after { transform: rotate(225deg); }
.article-outline-links ul { list-style: none; margin: .5rem 0 0; padding: 0; }
.article-outline-links li { margin: 0; }
.article-outline-links a { display: block; min-height: 44px; padding: .55rem 0; font-size: .8rem; line-height: 1.65; color: var(--muted); text-decoration: none; }
.article-outline-links a:hover, .article-outline-links a:focus-visible { color: var(--accent); text-decoration: underline; }
.article-body .key-takeaways { margin-top: 0; padding: 1.35rem 1.5rem; }
.article-body .key-takeaways-head { font-size: .82rem; }
.article-body .key-takeaways li { font-size: .94rem; line-height: 1.65; }
.article-body .article-figure { margin-block: 1.5rem 2.5rem; }
.article-body .related-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; }
.article-body .related-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; background: var(--card-paper); }
.related-card-media { display: block; aspect-ratio: 16/10; width: 100%; background: white; }
.related-card-media .article-preview-image { padding: .5rem; }
.article-body .related-card h4 { padding: 1rem 1rem 0; margin: 0; font-family: var(--serif); font-size: 1.15rem; line-height: 1.4; }
.article-body .related-card p { padding: .65rem 1rem 1.25rem; margin: 0; font-size: .8rem; line-height: 1.65; }
@media (hover:hover) and (prefers-reduced-motion:no-preference) {
  .article-preview-link:hover { transform: translateY(-4px); border-color: #83998d; }
  .article-preview-link:hover .article-preview-image { transform: scale(1.025); }
  .home-actions .btn:hover { transform: translateY(-2px); }
}
@media (max-width:1000px) {
  .home-intro-inner { gap: 2.25rem; padding-block: 3rem; }
  .home-intro h1 { font-size: clamp(2.5rem,5.4vw,3.6rem); }
  .portrait-crop { height: 440px; }
  .home-page .article-preview-list { gap: 1.1rem; }
  .library-page .article-preview-list { grid-template-columns: 1fr; }
  .home-page .article-preview:not(:first-child) .article-preview-link { grid-template-columns: 128px minmax(0,1fr); }
  .reading-page.prose { max-width: 68ch; }
  .article-reading-layout { display: block; }
  .article-side-nav { position: static; max-height: none; overflow: visible; margin-bottom: 1.5rem; border-block: 1px solid var(--line); }
  .article-outline summary { min-height: 48px; }
  .article-outline-links ul { padding-bottom: 1rem; }
}
@media (max-width:800px) {
  .header-inner { min-height: 106px; }
  .home-intro-inner { gap: 1.25rem 1.75rem; }
  .home-intro h1 { max-width: none; font-size: clamp(2.3rem,6vw,3.4rem); }
  .intro-description { font-size: .95rem; }
  .portrait-crop { height: 330px; }
  .home-page > .home-section { padding-block: 3.25rem; }
  .home-page > .care-section { padding: 2.25rem; }
  .home-page .article-preview-list { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1.25rem; }
  .home-page .article-preview:first-child { grid-column: span 2; grid-row: auto; }
  .home-page .article-preview:first-child .article-preview-media { min-height: 280px; aspect-ratio: auto; }
}
@media (max-width:600px) {
  .nav a { padding-inline: .5rem; font-size: .86rem; }
  .home-intro-inner { padding-block: 2.25rem 2.5rem; gap: 1.5rem; }
  .home-intro h1 { font-size: clamp(2.15rem,9.5vw,3.1rem); }
  .home-actions .btn { min-height: 48px; }
  .home-portrait-frame { max-width: 100%; }
  .portrait-crop { height: 360px; }
  .home-page > .home-section { padding-block: 2.75rem; }
  .home-page > .care-section { padding: 1.65rem; }
  .home-section-heading { display: block; }
  .home-section-heading .text-link { margin-top: .5rem; }
  .home-page .article-preview-list, .library-page .article-preview-list { grid-template-columns: 1fr; gap: 1.25rem; }
  .home-page .article-preview:first-child { grid-column: auto; }
  .home-page .article-preview:first-child .article-preview-link { display: flex; }
  .home-page .article-preview:first-child .article-preview-media { min-height: 0; height: 210px; aspect-ratio: auto; }
  .home-page .article-preview:first-child .article-preview-image { padding: .75rem; }
  .home-page .article-preview:first-child .article-preview-content { padding: 1.25rem; }
  .home-page .article-preview:first-child .card-title { font-size: 1.6rem; }
  .home-page .article-preview:not(:first-child) .card-title { font-size: 1.4rem; }
  .home-page .article-preview:not(:first-child) .article-preview-link,
  .library-page .article-preview-link { grid-template-columns: 96px minmax(0,1fr); }
  .home-page .article-preview:not(:first-child) .article-preview-media,
  .library-page .article-preview-media { min-height: 112px; }
  .home-page .article-preview:not(:first-child) .article-preview-content,
  .library-page .article-preview-content { padding: 1rem .9rem; gap: .55rem; }
  .home-page .article-preview:not(:first-child) .card-title,
  .library-page .card-title { font-size: 1.15rem; line-height: 1.35; }
  .home-page .article-preview:not(:first-child) .card-summary,
  .library-page .card-summary { font-size: .82rem; line-height: 1.65; }
  .home-page .article-preview:not(:first-child) .article-preview-image,
  .library-page .article-preview-image { padding: .4rem; }
  .library-page .page-head { padding-block: 1.65rem 1.25rem; }
  .library-page .page-head h1 { font-size: 2.1rem; }
  .library-page .topic-nav { gap: .5rem; margin-bottom: 1.65rem; }
  .library-page .topic-pill { padding-inline: .75rem; font-size: .8rem; }
  .library-page .article-group { margin-bottom: 2.25rem; scroll-margin-top: 6rem; }
  .library-page .article-group h2 { font-size: 1.5rem; margin-bottom: 1rem; }
  .prose .page-head { padding-top: 2rem; }
  .reading-page .page-head { padding-bottom: 1.25rem; }
  .article-side-nav { margin-bottom: 1.25rem; }
  .article-body .key-takeaways { padding: 1.15rem; }
  .article-body .related-grid { grid-template-columns: 1fr; }
  .article-body .related-card h4 { font-size: 1.35rem; }
  .prose h2, .prose section[id] { scroll-margin-top: 8rem; }
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; }
  .article-preview-link, .article-preview-image, .btn, .needs-list a, .needs-list svg { transition: none; }
}

/* Owner-supplied portrait, 10 October 2026: retain the face at every crop. */
.home-portrait { transform: none; object-position: center 22%; }
.profile-hero .portrait { object-position: center 20%; }
.byline-avatar { object-position: center 20%; }

/* Compact phone navigation keeps the four existing routes within thumb reach. */
.byline-avatar { flex: 0 0 48px; aspect-ratio: 1; }
.byline > div { min-width: 0; }
@media (max-width:600px) {
  body { padding-bottom: calc(80px + env(safe-area-inset-bottom,0px)); }
  .header-inner { min-height: 68px; padding-block: .55rem; flex-wrap: nowrap; }
  .brand-text { font-size: 1.1rem; }
  .nav { position: fixed; inset: auto 0 0; width: 100%; margin: 0; z-index: 101;
    display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: .25rem;
    padding: .5rem 1rem calc(.5rem + env(safe-area-inset-bottom,0px));
    background: var(--bg); border-top: 1px solid var(--line); }
  .nav a { min-width: 0; min-height: 48px; padding-inline: .25rem; font-size: .83rem; }
  .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .floating-zalo { bottom: calc(84px + env(safe-area-inset-bottom,0px)); }
  .reading-page .byline { align-items: flex-start; gap: .75rem; }
  .byline-avatar { width: 44px; height: 44px; flex-basis: 44px; }
  .reading-page .byline span { font-size: .78rem; line-height: 1.65; }
}

/* Phone reading: clear hierarchy, full figures and locally scrollable tables. */
@media (max-width:600px) {
  .reading-page .page-head { padding-top: 1.5rem; }
  .reading-page .page-head h1 { font-size: clamp(1.85rem,7.8vw,2.2rem); line-height: 1.2; }
  .reading-page .byline { padding-block: 1rem; margin-bottom: .75rem; }
  .article-body { font-size: 1.0625rem; line-height: 1.72; overflow-wrap: break-word; }
  .article-body p { margin-block: 1rem; }
  .article-body :is(h2,h3) { line-height: 1.3; text-wrap: balance; margin-block: 2.25rem .85rem; }
  .article-body h2 { font-size: 1.5rem; }
  .article-body h3 { font-size: 1.2rem; }
  .article-body :is(section[id],h2,h3) { scroll-margin-top: 5.5rem; }
  .article-outline summary { font-size: .95rem; padding-block: .75rem; }
  .article-outline-links a { font-size: .9rem; padding-block: .75rem; }
  .article-body .key-takeaways { padding: 1rem; margin-bottom: 2rem; }
  .article-body .key-takeaways-head { font-size: .8rem; line-height: 1.5; }
  .article-body .key-takeaways li { font-size: 1rem; line-height: 1.72; margin-bottom: .9rem; }
  .article-body .key-takeaways li:last-child { margin-bottom: 0; }
  .article-body .article-figure { margin-block: 1.75rem 2rem; }
  .article-body .article-figure img { display: block; height: auto; object-fit: contain; }
  .article-body figcaption { text-align: left; font-style: normal; font-size: .875rem; line-height: 1.6; }
  .article-body .table-wrap { max-width: 100%; overscroll-behavior-x: contain; }
  .article-body .clinical-table { min-width: 560px; font-size: 1rem; line-height: 1.6; }
  .article-body .clinical-table :is(th,td) { padding: .85rem; }
  .article-body .clinical-table th { white-space: normal; }
  .article-body :is(.red-flags-box,.note-box,.medical-disclaimer) { padding: 1rem; }
  .article-body .related-card { display: grid; grid-template-columns: 104px minmax(0,1fr); }
  .article-body .related-card-media { grid-row: 1 / 3; aspect-ratio: auto; height: 100%; }
  .article-body .related-card h4 { font-size: 1.1rem; padding: 1rem .85rem 0; }
  .article-body .related-card p { padding: .5rem .85rem 1rem; font-size: .875rem; }
  .reading-page ~ .floating-zalo { position: static; display: flex; width: max-content;
    margin: 1.5rem auto; padding: .75rem 1rem; border-radius: 999px; }
  .reading-page ~ .floating-zalo span { display: inline; }
}

/* Clear home message and optional reading/discovery controls. */
.home-intro-copy .home-actions { align-items: center; gap: 1.25rem; margin-top: 1.75rem; }
.home-actions .text-link { display: inline-flex; align-items: center; min-height: 48px; font-size: .94rem; }
.home-portrait-frame figcaption { display: block; font-style: normal; font-size: .875rem; line-height: 1.65; color: var(--muted); }
.home-portrait-frame figcaption span { display: block; }
.home-page ~ .floating-zalo { position: static; display: flex; width: max-content; margin: 1.5rem auto; }
.care-guide { border-top: 1px solid var(--line); scroll-margin-top: 6rem; }
.care-guide .guide-list { margin-top: 2rem; }
.guide-list section { display: grid; grid-template-columns: 15rem minmax(0,1fr); gap: 2rem; padding-block: 1.5rem; border-top: 1px solid var(--line); }
.guide-list h3, .guide-list p { margin: 0; }
.guide-list h3 { font-family: var(--serif); font-size: 1.5rem; }
.guide-list .guide-urgent h3 { color: var(--danger-ink); }
.guide-sources { font-size: .875rem; line-height: 1.65; }
.reading-page { --article-size: 1.0625rem; }
.article-lead { font-size: 1.1rem; line-height: 1.72; max-width: 65ch; margin-block: 1rem 1.5rem; }
.reading-meta { color: var(--muted); font-size: .875rem; margin-block: .75rem; }
.reading-tools:not([hidden]) { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .75rem; margin-block: 1rem 0; }
.reading-tools button { font: inherit; font-size: .875rem; min-height: 44px; padding: .6rem .9rem;
  color: var(--ink-pure); background: var(--card-paper); border: 1px solid var(--control-line); border-radius: 6px; cursor: pointer; }
.reading-tools button:disabled { color: var(--muted); opacity: .65; cursor: default; }
.reading-tools [data-reading-size] { font-size: .8rem; color: var(--muted); }
.reading-page[data-reading-size="1"] { --article-size: 1.1875rem; }
.reading-page[data-reading-size="2"] { --article-size: 1.3125rem; }
.reading-page .article-body { font-size: var(--article-size); line-height: 1.72; }
.reading-page .article-body .key-takeaways li,
.reading-page .article-body .clinical-table { font-size: 1em; }
.reading-page .article-body :is(.note-box,.red-flags-box) p { font-size: 1em; }
.topic-filters { display: flex; flex-wrap: wrap; gap: .6rem; margin-block: 0 1rem; }
.topic-filters a { display: inline-flex; align-items: center; gap: .35rem; min-height: 44px;
  padding: .6rem 1rem; color: var(--accent); background: var(--card-paper); border: 1px solid var(--control-line); border-radius: 999px; text-decoration: none; font-size: .875rem; }
.topic-filters a[aria-current="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }
.topic-filter-help, #library-result-count { color: var(--muted); font-size: .875rem; }
.topic-anchor { display: block; height: 0; scroll-margin-top: 6rem; }
.article-preview[hidden] { display: none; }
@media (max-width:600px) {
  .home-page .article-preview:first-child .article-preview-media { height: 168px; }
  .home-portrait-frame figcaption { font-size: .875rem; }
  .home-intro-copy .home-actions { gap: .65rem 1rem; }
  .guide-list section { display: block; padding-block: 1.25rem; }
  .guide-list h3 { font-size: 1.35rem; margin-bottom: .65rem; }
  .reading-page .page-head h1 { font-size: clamp(1.7rem,7.2vw,2rem); }
  .article-lead { font-size: 1rem; }
  .topic-filters { gap: .5rem; }
  .topic-filters a { padding-inline: .75rem; font-size: .82rem; }
  .library-page .page-head { padding-block: 1.25rem .75rem; }
  .library-page .page-head h1 { font-size: 1.85rem; margin-bottom: .75rem; }
  .library-page .page-head .lead { margin-bottom: .75rem; }
  .library-page .article-group { padding-top: .75rem; }
  .library-page .article-group h2 { margin-bottom: .5rem; }
  .topic-filter-help { margin-block: .5rem 1rem; font-size: .82rem; }
  #library-result-count { margin-block: .5rem 1rem; }
  .library-page ~ .floating-zalo { position: static; display: flex; width: max-content;
    margin: 1.5rem auto; padding: .75rem 1rem; border-radius: 999px; }
  .library-page ~ .floating-zalo span { display: inline; }
}

/* Library: put the first story before explanatory chrome, keep diagrams intact. */
.library-page .page-head { padding-block: 1.75rem 1rem; }
.library-page .page-head h1 { font-size: clamp(1.8rem,3vw,2.7rem); margin-bottom: .5rem; }
.library-page .page-head .lead { margin-bottom: 0; }
.library-page .topic-filter-help, .library-page #library-heading {
  position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}
.library-page .article-group { padding-top: 0; }
.library-page #library-result-count { margin-block: .25rem .75rem; }
.library-page .article-preview-link { align-items: start; }
.library-page .article-preview-media { height: 132px; min-height: 0; aspect-ratio: 4 / 3; align-self: start; background: #fff; }
.library-page .article-preview-image { width: 100%; height: 100%; object-fit: contain; padding: .25rem; }
@media (max-width:600px) {
  .library-page .page-head { padding-block: 1rem .75rem; }
  .library-page .page-head h1 { font-size: 1.75rem; line-height: 1.15; }
  .library-page .page-head .lead { font-size: .875rem; line-height: 1.6; }
  .library-page .topic-filters { flex-wrap: nowrap; overflow-x: auto; max-width: 100%;
    gap: .5rem; padding-block: .2rem .5rem; margin-bottom: .5rem;
    scrollbar-width: thin; scrollbar-color: var(--accent) var(--bg-subtle); }
  .library-page .topic-filters a { flex: 0 0 auto; white-space: nowrap; min-height: 44px; padding: .5rem .8rem; }
  .library-page .article-preview-link { grid-template-columns: minmax(0,1fr) 112px; gap: .75rem; padding: .85rem; }
  .library-page .article-preview-media { grid-column: 2; grid-row: 1; height: 112px;
    min-height: 0; aspect-ratio: 1; border-radius: 6px; overflow: hidden; }
  .library-page .article-preview-content { grid-column: 1; grid-row: 1; padding: 0; gap: .5rem; }
  .library-page .card-title { font-size: 1.1rem; line-height: 1.35; }
  .library-page .card-summary { -webkit-line-clamp: 3; font-size: .85rem; line-height: 1.6; }
  .library-page .card-meta { font-size: .72rem; line-height: 1.5; }
}

@media (max-width:600px) { .library-page .card-summary { display: block; overflow: visible; } }