/* Library page only: retain the shared header, footer and brand colours. */
.library-page {
  background: #f5f7fa;
  --library-border: #dce4ed;
  --library-muted: #526278;
}

.library-page .main-nav a[aria-current="page"] { background: rgba(255, 255, 255, .16); color: #fff; }
.library-page a:focus-visible,
.library-page button:focus-visible,
.library-page input:focus-visible,
.library-page select:focus-visible,
.library-page summary:focus-visible { outline: 3px solid #0057a4; outline-offset: 4px; }
.library-page .site-header a:focus-visible,
.library-page .site-header button:focus-visible { outline-color: #ffd447; }
.library-page [hidden] { display: none !important; }

.library-hero {
  padding: 3.1rem 0 2rem;
  background: linear-gradient(125deg, #fffdf3 0%, #fff8df 65%, #edf4ff 100%);
  border-bottom: 1px solid #e7e8e1;
}
.library-eyebrow,
.library-section-kicker {
  color: var(--blue);
  font-size: .7rem;
  font-weight: 750;
  letter-spacing: .13em;
  margin: 0 0 .5rem;
  text-transform: uppercase;
}
.library-hero h1 { font-size: clamp(2rem, 4.5vw, 3rem); letter-spacing: -.035em; line-height: 1.15; margin-bottom: 1rem; }
.library-intro { max-width: 680px; color: var(--library-muted); font-size: 1.04rem; margin: 0 0 2rem; }
.library-category-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; }
.library-category-link {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 1.2rem 1rem;
  background: #fff;
  border: 1px solid var(--library-border);
  border-radius: 14px;
  box-shadow: 0 5px 12px rgba(0, 58, 112, .035);
  transition: border-color .15s ease, transform .15s ease;
}
.library-category-link:hover { border-color: var(--blue); text-decoration: none; transform: translateY(-2px); }
.library-category-number { flex: 0 0 36px; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: #edf4fc; color: var(--blue); font-weight: 750; font-size: .85rem; }
.library-category-link:nth-child(2) .library-category-number { background: #fff3c9; color: #745000; }
.library-category-copy { min-width: 0; }
.library-category-copy strong { display: block; font-size: .96rem; line-height: 1.4; }
.library-category-copy > span { display: block; margin-top: .25rem; font-size: .75rem; line-height: 1.5; color: var(--library-muted); }
.library-category-arrow { margin-left: auto; color: var(--blue); font-size: 1.2rem; }

.library-content { padding-top: 2.6rem; }
.library-section { margin-bottom: 2.6rem; scroll-margin-top: 100px; }
.library-section + .library-section { padding-top: 2.25rem; border-top: 1px solid var(--library-border); }
.library-section-heading { display: flex; align-items: center; gap: .85rem; }
.library-section-icon { display: grid; place-items: center; width: 48px; height: 48px; flex: 0 0 48px; color: var(--blue); background: #e6eef9; border-radius: 13px; }
.library-section-icon svg { width: 26px; height: 26px; }
.library-section-icon-gold { color: #745000; background: #fff0bd; }
.library-section-kicker { margin: 0 0 .1rem; font-size: .65rem; }
.library-section-heading h2 { margin: 0; font-size: clamp(1.25rem, 2.3vw, 1.6rem); line-height: 1.35; }
.library-section-tag { margin-left: auto; padding: .2rem .65rem; background: #fff; border: 1px solid var(--library-border); border-radius: 6px; font-size: .7rem; font-weight: 700; color: var(--library-muted); }
.library-section-intro { color: var(--library-muted); font-size: .94rem; margin: .85rem 0 1.3rem; }

.library-video-panel { padding: 1.4rem; background: #fff; border: 1px solid var(--library-border); border-radius: 16px; box-shadow: 0 6px 20px rgba(0, 58, 112, .035); }
.library-filter-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1fr); gap: .9rem; }
.library-field { min-width: 0; }
.library-field > label { display: block; color: #253a53; font-size: .76rem; font-weight: 700; margin-bottom: .4rem; }
.library-field input,
.library-field select { width: 100%; min-width: 0; height: 44px; padding: .6rem .75rem; border: 1px solid #ccd7e4; border-radius: 8px; background: #fff; font: inherit; font-size: .86rem; color: #253a53; }
.library-field input::placeholder { color: #64748b; }
.library-filter-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .7rem; margin-top: .85rem; }
.library-available-label { display: inline-flex; align-items: center; gap: .5rem; color: var(--library-muted); font-size: .77rem; cursor: pointer; }
.library-available-label input { width: 17px; height: 17px; margin: 0; accent-color: var(--blue); }
.library-reset { border: 0; background: transparent; padding: .45rem .1rem; color: var(--blue); font: inherit; font-size: .77rem; font-weight: 650; cursor: pointer; }
.library-reset:hover { text-decoration: underline; }
.library-result-count { margin: 1.1rem 0 .8rem; padding-top: 1rem; border-top: 1px solid #edf0f4; color: var(--library-muted); font-size: .77rem; }
.library-video-groups { display: grid; gap: .6rem; }
.library-video-group { border: 1px solid var(--library-border); border-radius: 10px; overflow: hidden; }
.library-group-heading { display: flex; align-items: center; gap: .6rem; padding: .9rem 1rem; background: #ecf3fb; color: var(--blue-dark); }
.library-group-title { margin: 0; font-weight: 750; font-size: .88rem; }
.library-group-count { margin-left: auto; white-space: nowrap; color: var(--library-muted); font-size: .72rem; font-weight: 500; }
.library-video-table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: .82rem; }
.library-video-table .library-col-title { width: 43%; }
.library-video-table .library-col-category { width: 20%; }
.library-video-table .library-col-belt { width: 20%; }
.library-video-table .library-col-video { width: 17%; }
.library-video-table th,
.library-video-table td { padding: .8rem .9rem; text-align: left; vertical-align: middle; border-top: 1px solid #e8eef5; overflow-wrap: anywhere; }
.library-video-table thead th { font-size: .66rem; font-weight: 700; color: #64748b; background: #fbfcfe; }
.library-video-table tbody th { font-weight: 600; color: #213a56; line-height: 1.5; }
.library-video-table tbody tr:nth-child(even) { background: #fcfdff; }
.library-video-table td { color: var(--library-muted); font-size: .75rem; }
.library-belt-badge { display: inline-block; padding: .18rem .5rem; border-radius: 5px; background: #eef4fb; color: #224e83; font-size: .68rem; line-height: 1.5; }
.library-belt-yellow { background: #fff4cc; color: #735000; }
.library-belt-red { background: #fdecee; color: #943342; }
.library-watch-link { display: inline-flex; align-items: center; gap: .35rem; border: 1px solid #b9cfe6; padding: .35rem .5rem; border-radius: 6px; color: var(--blue); font-weight: 650; font-size: .71rem; white-space: nowrap; }
.library-watch-link:hover { text-decoration: none; background: #edf4fc; border-color: var(--blue); }
.library-pending { color: #64748b; font-size: .7rem; }
.library-empty { padding: 1.2rem; background: #f7f9fc; color: var(--library-muted); text-align: center; border-radius: 8px; font-size: .88rem; }
.library-empty p { margin: 0; }
.library-retry { margin-top: .8rem; padding: .5rem .9rem; border: 1px solid #b9cfe6; background: #fff; color: var(--blue); font: inherit; border-radius: 6px; cursor: pointer; }
.library-video-note { margin: .8rem 0 0; font-size: .75rem; color: var(--library-muted); }

.library-document-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.library-document-card { display: flex; flex-direction: column; padding: 1.3rem; background: #fff; border: 1px solid var(--library-border); border-top: 3px solid #e7bd40; border-radius: 12px; box-shadow: 0 5px 18px rgba(0, 58, 112, .025); }
.library-document-top { display: flex; justify-content: space-between; align-items: center; gap: .5rem; margin-bottom: 1rem; }
.library-document-type { color: #866315; font-size: .64rem; font-weight: 750; letter-spacing: .08em; }
.library-pdf-label { color: #a2393f; background: #fff1f2; padding: .15rem .4rem; border-radius: 4px; font-size: .61rem; font-weight: 750; }
.library-document-card h3 { font-size: 1rem; line-height: 1.5; margin: 0 0 .55rem; }
.library-document-card h3 a { color: var(--blue-dark); }
.library-document-card p { color: var(--library-muted); font-size: .82rem; line-height: 1.7; margin: 0 0 1.5rem; }
.library-document-action { display: flex; align-items: center; justify-content: space-between; color: var(--blue); font-size: .8rem; font-weight: 700; padding: .7rem 0 0; border-top: 1px solid #e8eef5; margin-top: auto; }

.library-link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.library-resource-link { display: flex; gap: .8rem; align-items: flex-start; padding: 1.2rem 1rem; border: 1px solid var(--library-border); background: #fff; border-radius: 12px; }
.library-resource-link:hover { border-color: var(--blue); text-decoration: none; }
.library-resource-number { color: var(--blue); font-size: .72rem; font-weight: 750; padding-top: .2rem; }
.library-resource-link strong { font-size: .9rem; display: block; }
.library-resource-description { display: block; margin-top: .4rem; font-size: .77rem; color: var(--library-muted); line-height: 1.6; }
.library-resource-arrow { margin-left: auto; color: var(--blue); }

@media (max-width: 760px) {
  .library-hero { padding-top: 2.25rem; }
  .library-category-nav { grid-template-columns: 1fr; gap: .6rem; }
  .library-category-link { padding: .8rem 1rem; }
  .library-intro { margin-bottom: 1.5rem; }
  .library-content { padding-top: 2rem; }
  .library-video-panel { padding: 1rem; }
  .library-filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .library-field-search { grid-column: 1 / -1; }
  .library-document-grid,
  .library-link-grid { grid-template-columns: 1fr; }
  .library-document-card { padding: 1.15rem; }
  .library-document-card p { margin-bottom: 1rem; }
  .library-group-heading { flex-wrap: wrap; padding: .8rem; }
  .library-group-count { font-size: .66rem; }
  .library-video-table,
  .library-video-table tbody { display: block; }
  .library-video-table colgroup { display: none; }
  .library-video-table thead { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .library-video-table tbody tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .45rem .7rem; padding: .9rem; border-top: 1px solid #e8eef5; }
  .library-video-table tbody th,
  .library-video-table tbody td { display: block; padding: 0; border: 0; }
  .library-video-table tbody th { grid-column: 1 / -1; font-size: .83rem; }
  .library-video-table tbody td:nth-child(2) { grid-column: 1; }
  .library-video-table tbody td:nth-child(3) { grid-column: 1; }
  .library-video-table tbody td:nth-child(4) { grid-column: 2; grid-row: 2 / 4; align-self: center; }
}
@media (max-width: 400px) {
  .library-filter-grid { grid-template-columns: 1fr; }
  .library-field-search { grid-column: auto; }
  .library-group-count { width: 100%; margin-left: 0; }
  .library-section-tag { padding: .2rem .4rem; }
  .library-section-heading { gap: .6rem; }
  .library-section-icon { width: 40px; height: 40px; flex-basis: 40px; }
  .library-section-heading h2 { font-size: 1.2rem; }
}
@media (prefers-reduced-motion: reduce) {
  .library-category-link { transition: none; }
  .library-category-link:hover { transform: none; }
}

/* Bilingual static tables remain readable before JavaScript or data fetches. */
html:not([lang="vi"]) .library-lang-vi { display: none; }
html[lang="vi"] .library-lang-en { display: none; }
.library-song { margin-top: 1.5rem; padding: 1.6rem; border: 1px solid var(--library-border); border-top: 3px solid #e7bd40; border-radius: 14px; background: #fff; scroll-margin-top: 100px; }
.library-song-heading { padding-bottom: 1rem; border-bottom: 1px solid #e8eef5; }
.library-song-heading h3 { margin: .3rem 0 0; color: var(--blue-dark); font-size: 1.5rem; }
.library-song-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; margin-top: 1.25rem; }
.library-song-layout h4 { margin: 0 0 .9rem; font-size: .95rem; color: var(--blue-dark); }
.library-lyrics-text { color: #30465f; font-size: .93rem; line-height: 1.9; }
.library-lyrics-text p { margin: 0 0 1.1rem; }
.library-score-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; margin-top: 1rem; }
.library-score-gallery figure { margin: 0; min-width: 0; }
.library-score-gallery a { display: block; padding: .25rem; border: 1px solid var(--library-border); background: #f8fafc; border-radius: 7px; }
.library-score-gallery a:hover { border-color: var(--blue); }
.library-score-gallery img { display: block; width: 100%; height: auto; border-radius: 4px; }
.library-score-gallery figcaption { margin-top: .5rem; color: var(--library-muted); font-size: .72rem; line-height: 1.6; }
@media (max-width: 760px) {
  .library-song { padding: 1.15rem; }
  .library-song-layout { grid-template-columns: 1fr; gap: 1.25rem; }
}
@media (max-width: 400px) {
  .library-score-gallery { grid-template-columns: 1fr; }
}