/* Library only: document-first browsing without changing other public pages. */
.latexdesk-library { --ld-library-muted: #526077; font-size: 1rem; }
.latexdesk-library a { text-decoration: none; }
.latexdesk-library a:focus-visible,
.latexdesk-library pre:focus-visible { outline: 3px solid var(--ldp-primary); outline-offset: 5px; }
.latexdesk-library h1 { margin: .3rem 0 .75rem; font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.035em; line-height: 1.15; }
.latexdesk-library p { color: var(--ld-library-muted); }
.latexdesk-library .latexdesk-library__eyebrow { margin: 0; color: var(--ldp-primary); font-size: .8125rem; font-weight: 750; letter-spacing: .065em; text-transform: uppercase; }
.latexdesk-library__header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .5rem 0 1.5rem; }
.latexdesk-library__header > div { max-width: 42rem; }
.latexdesk-library__header p:last-child { margin: 0; }
.latexdesk-library__count { flex-shrink: 0; padding: .5rem .85rem; border: 1px solid var(--ldp-border); border-radius: 100px; background: white; color: var(--ld-library-muted); font-size: .875rem; }
.latexdesk-library__collections { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0 0 2rem; padding: 1rem 0; border-block: 1px solid var(--ldp-border); }
.latexdesk-library__collections a { display: inline-flex; align-items: center; gap: .65rem; min-height: 44px; max-width: 100%; padding: .5rem .85rem; border-radius: 8px; background: #eaf0fa; color: #244477; font-size: .875rem; font-weight: 650; }
.latexdesk-library__collections a:hover { background: #dce7fb; color: #173c98; }
.latexdesk-library__collections span { color: #526077; font-size: .8125rem; }
.latexdesk-library__collection { margin: 0 0 2.5rem; }
.latexdesk-library__collection > h2 { margin: 0 0 1rem; font-size: clamp(1.25rem, 2.5vw, 1.6rem); line-height: 1.3; }
.latexdesk-library h2[id] { scroll-margin-top: 5rem; }
.latexdesk-library__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.latexdesk-library-card { min-width: 0; overflow: hidden; border: 1px solid var(--ldp-border); border-radius: 12px; background: white; }
.latexdesk-library-card:focus-within { overflow: visible; }
.latexdesk-library-card__link { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); height: 100%; border-radius: inherit; color: inherit; }
.latexdesk-library-card__link:hover { background: #f8faff; }
.latexdesk-library__preview { display: flex; flex-direction: column; align-items: center; justify-content: center; min-width: 0; margin: 0; padding: 1.25rem; background: #e9eef5; }
.latexdesk-library__preview img { display: block; width: 100%; height: 100%; max-height: 18rem; object-fit: contain; object-position: center; filter: drop-shadow(0 3px 5px #17203320); }
.latexdesk-library-card__content { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: 1.25rem; }
.latexdesk-library-card h3 { margin: .4rem 0 .6rem; font-size: 1.25rem; line-height: 1.3; overflow-wrap: anywhere; }
.latexdesk-library-card .latexdesk-library-card__description { flex: 1; margin: 0 0 1rem; font-size: 1rem; line-height: 1.55; }
.latexdesk-library-card__meta { display: flex; flex-wrap: wrap; gap: .4rem .75rem; color: var(--ld-library-muted); font-size: .8125rem; }
.latexdesk-library-card__meta span:first-child { font-weight: 650; }
.latexdesk-library-card__action { display: flex; align-items: center; justify-content: space-between; gap: .75rem; width: 100%; margin-top: 1rem; color: var(--ldp-primary); font-size: .875rem; font-weight: 750; }
.latexdesk-library-card__action > span { font-size: 1.125rem; }
.latexdesk-library__note { padding: 1.25rem 0; border-top: 1px solid var(--ldp-border); color: var(--ldp-ink); }
.latexdesk-library__note p { max-width: 52rem; margin: .35rem 0 0; }
.latexdesk-library__back { display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; margin-bottom: 1rem; color: var(--ldp-primary); font-size: .875rem; font-weight: 650; }
.latexdesk-library-detail__header { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); align-items: center; gap: clamp(1.5rem, 5vw, 4rem); padding-bottom: 2rem; }
.latexdesk-library-detail__header h1 { max-width: 16ch; }
.latexdesk-library-detail__header dl { display: flex; flex-wrap: wrap; gap: 1rem 2rem; margin: 1.5rem 0; }
.latexdesk-library-detail__header dt { color: var(--ld-library-muted); font-size: .875rem; }
.latexdesk-library-detail__header dd { margin: .25rem 0 0; font-weight: 700; }
.latexdesk-library-detail .latexdesk-library__preview { gap: 1rem; border-radius: 12px; padding: clamp(1rem, 3vw, 2rem); }
.latexdesk-library-detail .latexdesk-library__preview img { height: 24rem; max-height: none; }
.latexdesk-library__preview figcaption { color: var(--ld-library-muted); font-size: .8125rem; text-align: center; }
.latexdesk-library__button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: .65rem 1rem; border-radius: 8px; background: var(--ldp-primary); color: white; font-weight: 650; }
.latexdesk-library__button:hover { background: #1948b6; color: white; }
.latexdesk-library-detail__learning { padding: 1.5rem 0; border-block: 1px solid var(--ldp-border); }
.latexdesk-library-detail__learning h2 { margin: 0 0 .75rem; font-size: 1.5rem; }
.latexdesk-library-detail__learning ol { margin: 0 0 1rem; padding-inline-start: 1.4rem; color: var(--ld-library-muted); line-height: 1.75; }
.latexdesk-library__text-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--ldp-primary); font-weight: 700; }
.latexdesk-library-detail__source { min-width: 0; margin: 2rem 0; }
.latexdesk-library-detail__source > div { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: .5rem; margin-bottom: .75rem; }
.latexdesk-library-detail__source h2 { margin: 0; font-size: 1.5rem; }
.latexdesk-library-detail__source > div > span { color: var(--ld-library-muted); font-family: monospace; font-size: .875rem; }
.latexdesk-library-detail__source pre { max-height: 36rem; max-width: 100%; margin: 0; padding: 1.25rem; overflow: auto; border-radius: 10px; background: #121f35; color: #e9f0ff; direction: ltr; text-align: left; }
.latexdesk-library-detail__source code { padding: 0; background: none; color: inherit; font-size: .875rem; line-height: 1.7; white-space: pre; }
@media (max-width: 1050px) and (min-width: 721px) {
    .latexdesk-library-card__link { grid-template-columns: minmax(0, 1fr); }
    .latexdesk-library-card .latexdesk-library__preview { height: 14rem; }
}
@media (max-width: 720px) {
    .latexdesk-library__header { align-items: flex-start; }
    .latexdesk-library__count { display: none; }
    .latexdesk-library__collections { margin-bottom: 1.5rem; }
    .latexdesk-library__collections a { padding: .5rem .65rem; }
    .latexdesk-library__grid { grid-template-columns: minmax(0, 1fr); gap: .75rem; }
    .latexdesk-library-card__link { grid-template-columns: minmax(0, .55fr) minmax(0, 1.45fr); }
    .latexdesk-library-card .latexdesk-library__preview { padding: .6rem; }
    .latexdesk-library-card__content { padding: 1rem; }
    .latexdesk-library-card h3 { font-size: 1.125rem; }
    .latexdesk-library-detail__header { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
    .latexdesk-library-detail__header h1 { max-width: none; }
    .latexdesk-library-detail .latexdesk-library__preview img { height: 20rem; }
}
@media (max-width: 360px) {
    .latexdesk-library-card__link { grid-template-columns: minmax(0, 1fr); }
    .latexdesk-library-card .latexdesk-library__preview { height: 11rem; padding: .75rem; }
}