/* Library layout uses the site's existing paper, ink and sage palette. */
.library-shell { width:min(1100px, calc(100% - 64px)); margin-inline:auto; }
.library-page h1,.library-page h2,.library-page h3 { letter-spacing:-.045em; line-height:1.18; text-wrap:balance; font-weight:600; }
.library-page h1 { font-size:clamp(2.25rem,4.6vw,3.8rem); max-width:21ch; margin:18px 0 24px; }
.library-page h2 { font-size:clamp(1.5rem,2.5vw,2.1rem); margin:0 0 20px; }
.library-page h3 { font-size:1.12rem; margin:0; }
.library-page p { margin:0 0 16px; }
.library-page [hidden] { display:none!important; }
.library-page section,.library-page article { scroll-margin-top:24px; }
.skip { position:absolute; top:0; left:-10000px; background:var(--ink); color:white; padding:16px; z-index:50; }
.skip:focus { left:0; }
.library-nav { border-block:1px solid var(--line); }
.library-nav .library-shell { display:flex; gap:32px; flex-wrap:wrap; }
.library-nav a { display:flex; align-items:center; min-height:58px; font-size:13px; border-bottom:2px solid transparent; color:var(--muted); }
.library-nav a[aria-current] { border-color:var(--accent); color:var(--accent); font-weight:600; }
.library-nav a:hover { color:var(--ink); }
.library-hero { padding:60px 0 30px; }
.kicker { color:var(--accent); font-size:12px; font-weight:600; letter-spacing:.045em; }
.intro { color:var(--muted); max-width:65ch; line-height:1.8; }
.breadcrumbs { padding-top:28px; display:flex; flex-wrap:wrap; gap:8px; color:var(--muted); font-size:12px; }
.breadcrumbs a { text-decoration:underline; text-underline-offset:3px; }
.breadcrumbs + .library-hero { padding-top:30px; }
.library-button { background:var(--ink); color:#fff; border:1px solid var(--ink); display:inline-flex; align-items:center; justify-content:center; gap:16px; border-radius:99px; padding:12px 22px; min-height:48px; font:500 14px/1.4 var(--body); cursor:pointer; text-align:center; }
.library-button:hover { background:var(--btn-face-hover); color:#fff; }
.hub-search { max-width:750px; margin:0 0 38px; }
.hub-search label { display:block; font-size:13px; margin-bottom:10px; }
.hub-search > div { display:flex; padding:6px; border:1px solid var(--line); background:var(--card); border-radius:32px; gap:8px; }
.hub-search input { flex:1; min-width:0; border:0; padding:12px 18px; font:inherit; background:transparent; color:var(--ink); border-radius:24px; }
.entry-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; }
.entry-grid > a { padding:28px; border:1px solid var(--line); border-radius:22px; background:var(--card); display:flex; flex-direction:column; align-items:start; }
.entry-grid > a:first-child { background:var(--blue-tint); border-color:var(--blue-hairline); }
.entry-index { font-size:11px; color:var(--accent); margin-bottom:28px; }
.entry-grid h2 { font-size:24px; max-width:15ch; margin-bottom:14px; }
.entry-grid p { font-size:14px; color:var(--muted); }
.entry-arrow { margin-top:auto; font-size:24px; color:var(--accent); }
.entry-grid a:hover,.program-card:hover,.exercise-card:hover { border-color:var(--accent); }
.library-section { margin-top:64px; padding-top:42px; border-top:1px solid var(--line); }
.section-heading { display:flex; justify-content:space-between; align-items:end; gap:24px; margin-bottom:26px; }
.section-heading h2 { max-width:24ch; margin-bottom:0; }
.section-heading .kicker { margin-bottom:12px; }
.section-heading > span { font-size:13px; color:var(--muted); }
.text-link { display:inline-flex; align-items:center; gap:16px; min-height:44px; color:var(--accent); font-size:14px; text-decoration:underline; text-underline-offset:5px; }
.muscle-links { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:0 28px; }
.muscle-links a { display:flex; justify-content:space-between; align-items:center; gap:12px; border-bottom:1px solid var(--line); padding:21px 0; font-size:15px; }
.muscle-links a > span { display:flex; gap:16px; color:var(--muted); font-size:12px; }
.muscle-links a:hover { color:var(--accent); }
.guide-list > a { display:grid; grid-template-columns:48px 1fr 24px; gap:24px; align-items:center; padding:24px 0; border-bottom:1px solid var(--line); }
.guide-list > a:first-child { border-top:1px solid var(--line); }
.guide-list h3 { font-size:21px; margin-bottom:8px; }
.guide-list p { font-size:14px; color:var(--muted); margin:0; }
.guide-number { font-size:13px; color:var(--accent); }
.guide-list a:hover h3 { color:var(--accent); }
.program-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; }
.program-card { border:1px solid var(--line); border-radius:22px; padding:26px; background:var(--card); display:flex; flex-direction:column; }
.program-card h3 { font-size:23px; margin:12px 0 16px; }
.program-card > p:not(.kicker) { color:var(--muted); font-size:14px; }
.card-bottom { margin-top:auto; padding-top:18px; border-top:1px solid var(--line); display:flex; justify-content:space-between; gap:16px; font-size:12px; color:var(--muted); }
.day-links { display:flex; gap:10px; flex-wrap:wrap; }
.day-links a { padding:10px 22px; background:var(--card); border:1px solid var(--line); border-radius:99px; min-height:44px; font-size:14px; }
.catalogue-filters { display:grid; grid-template-columns:2fr 1fr 1fr 1fr auto; gap:12px; align-items:end; padding:22px; border:1px solid var(--line); border-radius:22px; background:var(--bg-2); }
.catalogue-filters label { font-size:12px; display:grid; gap:8px; min-width:0; }
.catalogue-filters input,.catalogue-filters select { min-height:48px; width:100%; border:1px solid var(--line); border-radius:12px; padding:10px; background:var(--card); color:var(--ink); font:inherit; font-size:16px; }
.reset { min-height:48px; padding:10px; font:inherit; font-size:12px; border:0; color:var(--accent); cursor:pointer; background:transparent; text-decoration:underline; }
.results-head { display:flex; align-items:baseline; justify-content:space-between; gap:20px; margin-top:30px; }
.results-head h2 { font-size:20px; margin-bottom:8px; }
.result-count,.catalogue-help { color:var(--muted); font-size:13px; }
.exercise-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; }
.exercise-card { display:flex; align-items:center; gap:14px; padding:14px; border:1px solid var(--line); border-radius:16px; background:var(--card); min-width:0; }
.exercise-card img { flex:none; width:64px; height:64px; object-fit:contain; border-radius:12px; background:white; }
.exercise-card > div { flex:1; min-width:0; }
.exercise-card h3 { font-size:14px; line-height:1.45; letter-spacing:-.02em; overflow-wrap:anywhere; }
.exercise-card p { font-size:11px; color:var(--muted); margin:6px 0 0; }
.exercise-card > span { color:var(--accent); }
.language-note { font-size:10px; color:var(--muted); }
.pagination { display:flex; align-items:center; justify-content:center; gap:28px; margin-top:30px; font-size:13px; }
.load-more { display:flex; margin:28px auto; }
.quick-facts { display:grid; grid-template-columns:1fr 1fr 2fr; border-block:1px solid var(--line); margin:0 0 44px; }
.quick-facts > div { padding:24px; border-right:1px solid var(--line); }
.quick-facts > div:last-child { border:0; }
.quick-facts dt,.exercise-facts dt { font-size:12px; color:var(--muted); }
.quick-facts dd,.exercise-facts dd { margin:6px 0 0; font-size:16px; }
.reading-layout { display:grid; grid-template-columns:220px minmax(0,1fr); gap:64px; align-items:start; }
.reading-toc { position:sticky; top:24px; font-size:13px; border-left:1px solid var(--line); padding-left:18px; }
.reading-toc strong { display:block; margin-bottom:14px; font-size:12px; }
.reading-toc a { display:block; padding:10px 0; color:var(--muted); line-height:1.5; min-height:44px; }
.reading-toc a:hover { color:var(--accent); }
.reading-content { max-width:760px; min-width:0; }
.reading-content section { margin-bottom:38px; }
.reading-content h2 { font-size:25px; margin-bottom:18px; }
.reading-content p { line-height:1.85; }
.quick-answer { padding:26px; border-left:3px solid var(--accent); background:var(--blue-tint); border-radius:0 18px 18px 0; margin-bottom:38px; }
.quick-answer h2 { font-size:16px; }
.quick-answer p { margin-bottom:0; }
.session { border:1px solid var(--line); border-radius:18px; padding:22px; margin:24px 0; background:var(--card); }
.session h3 { font-size:21px; margin-bottom:14px; }
.session ol { list-style:none; margin:0; padding:0; }
.session li + li { border-top:1px solid var(--line); }
.session a { display:flex; align-items:center; gap:16px; padding:14px 0; }
.session a > span:nth-child(2) { flex:1; }
.session strong { display:block; font-size:14px; font-weight:500; }
.session span span { font-size:12px; color:var(--muted); }
.session img { border-radius:12px; object-fit:contain; flex:none; }
.related-links { display:flex; flex-wrap:wrap; gap:8px 24px; margin-bottom:18px; }
.editorial-note { font-size:12px; color:var(--muted); }
.editorial-note a { text-decoration:underline; }
.exercise-detail { display:grid; grid-template-columns:360px minmax(0,1fr); gap:64px; align-items:start; }
.exercise-video { border:1px solid var(--line); border-radius:24px; overflow:hidden; background:white; }
.exercise-video video { display:block; width:100%; height:auto; }
.exercise-facts { margin-top:20px; }
.exercise-facts > div { padding:14px 0; border-bottom:1px solid var(--line); }
.execution-steps { padding-left:24px; }
.execution-steps li { padding:0 0 18px 10px; line-height:1.8; }
.execution-steps li::marker { color:var(--accent); font-weight:600; }
.reading-content .exercise-grid { grid-template-columns:1fr; }
@media(max-width:1000px) {
 .catalogue-filters { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .exercise-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .exercise-detail { grid-template-columns:300px minmax(0,1fr); gap:32px; }
 .reading-layout { gap:32px; grid-template-columns:180px minmax(0,1fr); }
 .program-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .entry-grid > a { padding:22px; }
 .entry-grid h2 { font-size:21px; }
}
@media(max-width:680px) {
 .library-shell { width:calc(100% - 40px); }
 .library-nav .library-shell { gap:0; justify-content:space-between; }
 .library-nav a { font-size:11px; min-height:50px; }
 .library-hero { padding:36px 0 20px; }
 .library-page h1 { font-size:36px; }
 .intro { font-size:14px; }
 .hub-search > div { border-radius:20px; flex-direction:column; padding:8px; }
 .hub-search input { width:100%; }
 .entry-grid { grid-template-columns:1fr; gap:10px; }
 .entry-grid > a { position:relative; padding:22px 52px 22px 22px; }
 .entry-index { margin-bottom:14px; }
 .entry-grid h2 { max-width:none; font-size:22px; margin-bottom:10px; }
 .entry-grid p { margin-bottom:0; }
 .entry-arrow { position:absolute; right:22px; top:22px; }
 .library-section { margin-top:40px; padding-top:30px; }
 .section-heading { align-items:start; flex-direction:column; gap:12px; }
 .muscle-links { grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 20px; }
 .muscle-links a { font-size:13px; }
 .muscle-links a > span { gap:6px; }
 .guide-list > a { grid-template-columns:24px 1fr 16px; gap:14px; }
 .guide-list h3 { font-size:19px; }
 .guide-list p { font-size:13px; }
 .program-grid,.exercise-grid,.reading-layout,.exercise-detail { grid-template-columns:1fr; }
 .catalogue-filters { padding:16px; }
 .catalogue-filters label:first-child { grid-column:1/-1; }
 .reading-toc { position:static; margin-bottom:20px; }
 .quick-facts { grid-template-columns:1fr 1fr; }
 .quick-facts > div { padding:16px 12px; }
 .quick-facts > div:last-child { grid-column:1/-1; border-top:1px solid var(--line); }
 .session { padding:16px; }
 .session a { gap:10px; }
 .session img { width:44px; height:44px; }
 .results-head { gap:12px; flex-wrap:wrap; }
 .results-head h2 { margin-bottom:0; }
 .reading-content h2 { font-size:23px; }
 .quick-answer { padding:22px; }
}

/* Contextual route from reading to logging a workout. */
.intro-app-actions { margin:0 0 36px; }
.app-actions { display:flex; flex-wrap:wrap; align-items:center; gap:12px 24px; }
.app-store-link { display:inline-flex; align-items:center; gap:10px; min-height:44px; font-size:13px; color:var(--accent); text-decoration:underline; text-underline-offset:4px; }
.app-bridge { margin:44px 0; padding:30px; border:1px solid var(--blue-hairline); border-radius:24px; background:var(--blue-tint); }
.app-identity { display:flex; align-items:center; gap:12px; margin-bottom:24px; }
.app-identity img { border-radius:12px; mix-blend-mode:multiply; flex-shrink:0; }
.app-identity p { margin:0; }
.app-identity strong { display:block; font-size:16px; }
.app-identity span { display:block; font-size:12px; color:var(--muted); }
.app-bridge h2 { font-size:clamp(22px,2.2vw,28px); max-width:32ch; }
.app-bridge > p { max-width:72ch; font-size:15px; }
.app-bridge .app-note { margin:16px 0 0; font-size:12px; color:var(--muted); }
.app-definition { font-size:13px; color:var(--muted); max-width:80ch; padding:0 0 36px; }
.app-definition a { color:var(--accent); text-decoration:underline; text-underline-offset:3px; }
@media(max-width:680px) {
 .app-bridge { padding:24px; }
 .intro-app-actions .app-actions { align-items:stretch; }
 .app-actions .library-button { width:100%; }
 .app-actions { gap:8px; }
}