/* v33: collection pages (one per YouTube playlist) */
.coll-crumbs { font-size: 0.92rem; color: var(--ink-muted); margin: 0 auto 2rem; max-width: 760px; }
.coll-crumbs a { color: var(--gold); }
.coll-crumbs span { margin: 0 0.35rem; }
.coll-crumbs span[aria-current] { margin: 0; }
.coll-about { max-width: 760px; margin: 0 auto 3.5rem; }
.coll-about p { font-size: 1.12rem; line-height: 1.85; color: var(--ink-soft); margin-bottom: 1.1rem; }
.coll-about a, .coll-tip a { color: var(--gold); border-bottom: 1px solid var(--gold-pale); }
.coll-tip { background: var(--cream); border: 1px solid var(--parchment-deep); border-left: 3px solid var(--gold); border-radius: var(--radius); padding: 1rem 1.25rem; font-size: 1.02rem !important; }
.coll-tip b { color: var(--ink); }
.coll-list-section { margin-bottom: 3.5rem; }
.coll-list-note { text-align: center; font-style: italic; color: var(--ink-muted); margin: -0.5rem 0 1.5rem; }
.coll-list { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 0.85rem; max-width: 1000px; margin: 0 auto; padding: 0; }
.coll-list a { display: flex; flex-direction: column; height: 100%; padding: 1rem 1.2rem; background: var(--cream); border: 1px solid var(--parchment-deep); border-radius: var(--radius); transition: border-color var(--transition), transform var(--transition); }
.coll-list a:hover { border-color: var(--gold); transform: translateY(-2px); }
.coll-list a:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.coll-title { font-family: var(--font-display); font-size: 1.25rem; color: var(--ink); line-height: 1.25; }
.coll-blurb { font-style: italic; color: var(--ink-muted); font-size: 0.97rem; margin-top: 0.2rem; line-height: 1.45; }
@media (max-width: 600px) { .coll-list { grid-template-columns: 1fr; } .coll-about p { font-size: 1.05rem; } }
@media (prefers-reduced-motion: reduce) { .coll-list a, .coll-list a:hover { transition: none; transform: none; } }

/* v35: Collections hub */
.hub-jump { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.6rem 1rem; margin: 0 auto 3.5rem; font-family: var(--font-serif); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.9rem; }
.hub-jump a { color: var(--gold); border-bottom: 1px solid var(--gold-pale); }
.hub-jump span { color: var(--gold-light); font-size: 0.7rem; align-self: center; }
.hub-section { margin-bottom: 4.5rem; scroll-margin-top: 90px; }
.hub-section .section-header { margin-bottom: 2rem; }
.hub-note { text-align: center; font-style: italic; color: var(--ink-muted); margin-top: 1.5rem; }
.collection-grid--four { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.collection-card--library { border-top-color: var(--ink-muted); }

.books-playlist { margin-top: 4.5rem; }
.author-links { max-width: 1000px; }
.teach-section { margin-top: 4.5rem; }

/* v36: jump links as real buttons */
.hub-jump { gap: 0.75rem; margin-bottom: 3.5rem; }
.hub-jump span { display: none; }
.hub-jump a {
  display: inline-block; border: 1px solid var(--gold); border-bottom-width: 1px; border-radius: 999px;
  background: var(--cream); color: var(--ink); padding: 0.7rem 1.4rem; font-size: 0.85rem; letter-spacing: 0.12em;
  box-shadow: 0 6px 16px -10px rgba(44,34,24,0.5); transition: background var(--transition), color var(--transition), transform var(--transition);
}
.hub-jump a::after { content: ' ↓'; color: var(--gold); }
.hub-jump a:hover, .hub-jump a:focus-visible { background: var(--gold); color: var(--night); transform: translateY(-1px); }
.hub-jump a:hover::after, .hub-jump a:focus-visible::after { color: var(--night); }
@media (max-width: 600px) { .hub-jump a { padding: 0.6rem 1.1rem; font-size: 0.8rem; } }
@media (prefers-reduced-motion: reduce) { .hub-jump a, .hub-jump a:hover { transition: none; transform: none; } }

/* v36: Teachers guide comparison + title grid */
.guide-compare { max-width: 980px; margin: 0 auto 3.5rem; }
#guides { scroll-margin-top: 90px; }
.guide-shelf .book-tile { scroll-margin-top: 90px; }
.guide-compare + .pick-divider + .guide-shelf { max-width: 1160px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.guide-compare + .pick-divider + .guide-shelf .btn { padding-left: 0.6rem; padding-right: 0.6rem; letter-spacing: 0.06em; font-size: 0.82rem; }
.guide-compare + .pick-divider + .guide-shelf .text-link { align-self: center; text-align: center; }
.hub-jump a { background: var(--night); color: var(--parchment); border-color: var(--night); }
.hub-jump a::after { color: var(--gold-light); }
.guide-compare + .pick-divider + .guide-shelf .book-tile-links { margin-top: auto; }

/* v39: podcasts */
.collection-grid--two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); max-width: 820px; }
.podcast-links { margin-top: auto; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }

/* v41: Collections hub picture books */
.pb-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; max-width: 900px; margin: 0 auto; }
.pb-cover { display: flex; flex-direction: column; align-items: center; text-align: center; }
.pb-cover img { width: 100%; height: auto; border-radius: 2px; box-shadow: 0 14px 30px -14px rgba(44,34,24,0.6); transition: transform var(--transition); }
.pb-cover:hover img { transform: translateY(-3px); }
.pb-cover span { margin-top: 0.8rem; font-family: var(--font-display); font-style: italic; font-size: 1.1rem; color: var(--ink); line-height: 1.25; }
.pb-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-top: 2.5rem; }
@media (max-width: 700px) { .pb-grid { grid-template-columns: repeat(2, 1fr); } }

/* v41: Teachers playlist posters */
.poster-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 2rem; max-width: 1100px; margin: 0 auto; }
.poster-card { display: grid; grid-template-columns: 210px 1fr; gap: 1.5rem; align-items: start; background: var(--cream); border: 1px solid var(--parchment-deep); border-top: 3px solid var(--gold); border-radius: var(--radius); padding: 1.25rem; transition: border-color var(--transition), transform var(--transition); }
.poster-card:hover { border-color: var(--gold); transform: translateY(-2px); }
.poster-card img { width: 100%; height: auto; border-radius: 2px; box-shadow: 0 12px 26px -14px rgba(44,34,24,0.6); }
.poster-card-body { display: flex; flex-direction: column; height: 100%; }
.poster-card .collection-by { font-family: var(--font-serif); font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.35rem; }
.poster-card h3 { font-family: var(--font-display); font-size: 1.6rem; font-weight: 400; font-style: italic; color: var(--ink); line-height: 1.2; margin-bottom: 0.6rem; }
.poster-card p { color: var(--ink-soft); line-height: 1.6; margin-bottom: 0.8rem; }
.poster-card ul { list-style: none; margin: 0 0 1.2rem; padding: 0; }
.poster-card li { position: relative; padding-left: 1.3rem; color: var(--ink-soft); margin-bottom: 0.3rem; font-size: 0.97rem; }
.poster-card li::before { content: '✦'; position: absolute; left: 0; top: 0.1rem; color: var(--gold); font-size: 0.7rem; }
.poster-card .btn { margin-top: auto; align-self: flex-start; }
@media (max-width: 520px) { .poster-grid { grid-template-columns: 1fr; } .poster-card { grid-template-columns: 1fr; } .poster-card img { max-width: 260px; margin: 0 auto; } }
@media (prefers-reduced-motion: reduce) { .poster-card, .poster-card:hover, .pb-cover img { transition: none; transform: none; } }
.pb-cover img { aspect-ratio: 800 / 1060; object-fit: cover; }
.poster-card .btn { white-space: nowrap; padding-left: 1.1rem; padding-right: 1.1rem; }

/* v43: coming-soon book page */
.coming-grid { display: grid; grid-template-columns: 320px 1fr; gap: 3rem; align-items: center; max-width: 960px; margin: 0 auto 4rem; }
.coming-cover { width: 100%; height: auto; border-radius: 2px; box-shadow: 0 18px 40px -16px rgba(44,34,24,0.6); }
.coming-text h2 { font-family: var(--font-display); font-weight: 400; font-style: italic; font-size: 2rem; color: var(--ink); margin-bottom: 1rem; }
.coming-text p { color: var(--ink-soft); line-height: 1.8; font-size: 1.08rem; margin-bottom: 1rem; }
.coming-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.5rem 0; }
.coming-quote { border-left: 3px solid var(--gold); padding: 0.4rem 0 0.4rem 1.2rem; margin: 0; }
.coming-quote p { font-family: var(--font-display); font-style: italic; font-size: 1.2rem; color: var(--ink); margin: 0; }
.coming-meanwhile { margin-bottom: 2rem; }
@media (max-width: 760px) { .coming-grid { grid-template-columns: 1fr; text-align: center; } .coming-cover { max-width: 260px; margin: 0 auto; } .coming-actions { justify-content: center; } .coming-quote { text-align: left; } }
.book-tile .coming-badge { display: inline-block; align-self: flex-start; background: var(--gold); color: var(--night); font-family: var(--font-serif); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; padding: 0.3rem 0.7rem; border-radius: 2px; margin-bottom: 0.6rem; }

/* v45: compilation player on collection pages */
.coll-compilation { max-width: 860px; margin: 0 auto 3.5rem; }
.coll-compilation .watch-frame--vertical { margin: 0 auto; }