:focus-visible {
  outline: 3px solid rgba(200, 16, 46, 0.55);
  outline-offset: 2px;
}

/* Public catalog cards and collection detail, using the portal's red brand. */
.opac-catalog-page { flex: 1; width: 100%; max-width: 1200px; margin: 0 auto; padding: 24px 24px 64px; }
.opac-catalog-page.hidden { display: none; }
.opac-catalog-header { margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid rgba(200,16,46,0.2); text-align: center; }
.opac-catalog-header .opac-detail-eyebrow { margin-bottom: 6px; }
.opac-catalog-header h1 { color: #0f172a; font-size: clamp(26px, 3vw, 34px); line-height: 1.25; font-weight: 800; letter-spacing: 0.035em; text-transform: uppercase; }
.opac-catalog-header h1 span { margin-left: 0.1em; color: #a8102b; }
.opac-catalog-header > p:last-child { max-width: 760px; margin: 8px auto 0; color: #64748b; font-size: 13px; line-height: 1.6; }
.opac-search-panel { margin-bottom: 32px; padding: 22px 24px; border: 1px solid #c8102e; border-top-width: 3px; border-radius: 15px; background: #fff; box-shadow: -28px -14px 70px 12px rgba(200,16,46,0.19), 28px 22px 80px 14px rgba(200,16,46,0.19), 0 8px 24px rgba(15,23,42,0.035); }
.opac-search-panel .opac-tab-list { border-bottom-color: rgba(200,16,46,0.2); }
/* Kotak pencarian OPAC: foto tumpukan buku yang sudah diblur, ditutup lapisan gelap agar tulisan putih tetap jelas. */
.opac-search-panel { position: relative; isolation: isolate; overflow: hidden; border-color: rgba(200,16,46,0.65); background: #2a0b10 url("../img/opac-latar-buku.webp") center / cover no-repeat; }
.opac-search-panel::before,
.opac-page-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(135deg, rgba(15,10,12,0.66), rgba(60,6,18,0.54) 55%, rgba(133,7,27,0.5)); }
/* Kepala halaman Informasi, Bantuan, dan Pustakawan di OPAC memakai foto buku yang sama dengan kotak pencarian. */
.opac-page-hero { background: #2a0b10 url("../img/opac-latar-buku.webp") center / cover no-repeat; }
.opac-page-hero h1, .opac-page-hero p { text-shadow: 0 1px 10px rgba(0,0,0,0.45); }
.opac-search-panel .opac-catalog-header { border-bottom-color: rgba(255,255,255,0.18); }
.opac-search-panel .opac-detail-eyebrow { color: #fecdd3; }
.opac-search-panel .opac-catalog-header h1 { color: #fff; text-shadow: 0 2px 18px rgba(0,0,0,0.35); }
.opac-search-panel .opac-catalog-header h1 span { color: #ff8fa3; }
.opac-search-panel .opac-catalog-header > p:last-child { color: rgba(255,255,255,0.9); text-shadow: 0 1px 8px rgba(0,0,0,0.45); }
.opac-search-panel .opac-tab-list { border-bottom-color: rgba(255,255,255,0.18); }
.opac-search-panel .opac-tab { color: rgba(255,255,255,0.72); }
.opac-search-panel .opac-tab[aria-selected="true"] { color: #fff; border-bottom-color: #ff8fa3; background: rgba(255,255,255,0.1); }
.opac-search-panel .opac-search-form label, .opac-search-panel .opac-search-menu .opac-text-button, .opac-search-panel .opac-tab { text-shadow: 0 1px 6px rgba(0,0,0,0.5); }
.opac-search-panel .opac-search-form label { color: rgba(255,255,255,0.92); }
.opac-search-panel .opac-search-menu .opac-text-button { color: #fff; }
.opac-search-panel .opac-search-reset { border-color: rgba(255,255,255,0.55); }
/* Hasil Browse tetap di atas kartu putih supaya daftar panjang mudah dibaca. */
.opac-search-panel .opac-browse-results { padding: 2px 14px; border-radius: 10px; background: rgba(255,255,255,0.96); color: #334155; }
.opac-search-panel .opac-browse-results:empty { display: none; }
.opac-search-panel .opac-browse-pagination { color: rgba(255,255,255,0.85); }
.opac-search-form { display: grid; grid-template-columns: minmax(240px, 1fr) 170px 170px auto; align-items: end; gap: 12px; }
.opac-search-form > div { min-width: 0; }
.opac-search-form label { display: block; margin-bottom: 7px; color: #684550; font-size: 11px; font-weight: 700; }
.opac-search-form input, .opac-search-form select { width: 100%; height: 44px; padding: 10px 12px; border: 1px solid rgba(200,16,46,0.38); border-radius: 7px; color: #334155; background: #fff; font: inherit; font-size: 12px; }
.opac-search-input { position: relative; }
.opac-search-input > svg { position: absolute; top: 14px; left: 13px; width: 16px; height: 16px; color: #a8808c; pointer-events: none; }
.opac-search-form input { padding-left: 38px; }
.opac-search-form input::placeholder { color: #806c76; }
.opac-search-form input:focus, .opac-search-form select:focus { border-color: #c8102e; }
.opac-search-actions { display: flex; align-items: center; gap: 8px; }
.opac-search-submit, .opac-search-reset { display: inline-flex; align-items: center; justify-content: center; gap: 7px; font-weight: 700; cursor: pointer; }
.opac-search-submit { height: 44px; padding: 0 18px; border-radius: 7px; color: #fff; background: #c8102e; font-size: 12px; white-space: nowrap; }
.opac-search-submit:hover { background: #85071b; }
.opac-search-submit svg { width: 15px; height: 15px; }
.opac-search-reset { width: 44px; height: 44px; flex-shrink: 0; border: 1px solid rgba(200,16,46,0.38); border-radius: 7px; color: #c8102e; background: #fff; }
.opac-search-reset:hover { color: #c8102e; border-color: #c8102e; }
.opac-search-reset svg { width: 17px; height: 17px; }
.opac-search-results { margin-bottom: 38px; padding: 24px; border: 1px solid #e2e8f0; border-radius: 16px; background: #fff; scroll-margin-top: 80px; }
.opac-tool-button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 11px; border: 1px solid #dfd5da; border-radius: 7px; background: #fff; color: #475569; font-size: 11px; font-weight: 700; line-height: 1.5; cursor: pointer; }
.opac-tool-button:hover { border-color: var(--opac-cover-accent, #c8102e); color: var(--opac-cover-ink, #a8102b); }
.opac-tool-button[aria-pressed="true"] { border-color: var(--opac-cover-accent, #c8102e); color: var(--opac-cover-ink, #a8102b); background: rgba(var(--opac-cover-rgb, 200,16,46),0.07); }
.opac-tool-button:disabled { opacity: 0.45; cursor: default; }
.opac-detail-tools { position: relative; display: flex; align-items: center; flex-wrap: wrap; gap: 8px; width: fit-content; max-width: 100%; margin-top: 18px; }
.opac-detail-tools .opac-export-menu { position: static; }
.opac-export-menu { position: relative; min-width: 0; }
.opac-export-menu summary { list-style: none; }
.opac-export-menu summary::-webkit-details-marker { display: none; }
.opac-export-options { position: absolute; z-index: 30; top: calc(100% + 6px); right: 0; min-width: 185px; padding: 6px; border: 1px solid #e2e8f0; border-radius: 10px; background: #fff; box-shadow: 0 8px 28px rgba(15,23,42,0.14); }
.opac-export-options a { display: block; padding: 9px 10px; border-radius: 6px; color: #334155; font-size: 12px; }
.opac-export-options a:hover { background: #fff1f2; color: #a8102b; }
.opac-tab-list { display: flex; gap: 4px; overflow-x: auto; border-bottom: 1px solid #e3d9df; }
.opac-tab { flex-shrink: 0; padding: 10px 12px; border-bottom: 2px solid transparent; color: #64748b; font-size: 12px; font-weight: 700; cursor: pointer; }
.opac-tab[aria-selected="true"] { border-bottom-color: var(--opac-cover-accent, #c8102e); color: var(--opac-cover-ink, #a8102b); background: rgba(var(--opac-cover-rgb,200,16,46),0.045); }
.opac-tabs > [role="tabpanel"][hidden] { display: none; }
.opac-tabs > [role="tabpanel"] { min-width: 0; }
.opac-search-modes .opac-tab-list { margin-bottom: 18px; }
.opac-search-menu { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 20px; margin-top: 18px; }
.opac-text-button { color: #a8102b; font-size: 11px; font-weight: 700; text-align: left; cursor: pointer; }
.opac-text-button:hover { text-decoration: underline; text-underline-offset: 3px; }
.opac-detail-search-menu { margin: 0 0 22px; padding: 12px 16px; border: 1px solid #eed5db; border-radius: 10px; background: #fff4f5; }
.opac-detail-tabs { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px; align-items: start; }
.opac-detail-tabs > .opac-export-menu { grid-column: 2; grid-row: 1; }
.opac-detail-tabs > [role="tabpanel"] { grid-column: 1 / -1; }
.opac-detail-tabs .opac-detail-section .opac-detail-section { margin: 18px 0 0; padding: 16px 0 0; border: 0; border-top: 1px solid #e2e8f0; border-radius: 0; box-shadow: none; }
.opac-digital-list li { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px 0; border-bottom: 1px solid #edf0f3; font-size: 12px; }
.opac-digital-list li > div { min-width: 0; overflow-wrap: anywhere; }
.opac-tool-description { margin: 5px 0 12px; color: #64748b; font-size: 12px; line-height: 1.75; overflow-wrap: anywhere; }
.opac-tool-empty { padding: 14px 0; color: #64748b; font-size: 12px; line-height: 1.75; }
.opac-marc-scroll { max-height: 420px; overflow: auto; }
.opac-marc-table td:last-child { min-width: 180px; white-space: pre-wrap; overflow-wrap: anywhere; }
.opac-table-controls, .opac-table-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-top: 16px; color: #64748b; font-size: 11px; }
.opac-table-controls label { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 7px; max-width: 100%; }
.opac-table-controls select, .opac-table-controls input { height: 34px; padding: 6px 9px; border: 1px solid #dce1e7; border-radius: 6px; background: #fff; color: #334155; font-size: 11px; }
.opac-table-controls input { width: 210px; max-width: 100%; }
.opac-table-footer > span { flex: 1; min-width: 160px; }
.opac-table-sort { color: inherit; font: inherit; text-align: left; white-space: nowrap; cursor: pointer; }
.opac-copy-table tr[hidden] { display: none; }
.opac-browse-controls { display: grid; grid-template-columns: 150px 155px minmax(0,1fr) auto; gap: 12px; }
.opac-browse-controls select, .opac-browse-controls input { width: 100%; min-width: 0; height: 42px; padding: 8px 12px; border: 1px solid rgba(200,16,46,0.38); border-radius: 7px; background: #fff; color: #334155; font-size: 12px; }
.opac-browse-alphabet { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0; }
.opac-browse-alphabet button { min-width: 24px; padding: 4px; border-radius: 4px; background: rgba(255,255,255,0.65); text-align: center; }
.opac-browse-list li { display: flex; align-items: start; justify-content: space-between; gap: 20px; padding: 11px 0; border-bottom: 1px solid #ecdce0; }
.opac-browse-list button { font-size: 12px; line-height: 1.7; }
.opac-browse-list li > span { flex-shrink: 0; color: #64748b; font-size: 11px; }
.opac-browse-pagination { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; color: #64748b; font-size: 11px; }
.opac-dialog { width: min(720px,calc(100vw - 32px)); max-height: 88vh; overflow: auto; padding: 0; border: 1px solid #e2e8f0; border-radius: 16px; color: #334155; background: #fff; box-shadow: 0 24px 80px rgba(15,23,42,0.2); }
.opac-dialog::backdrop { background: rgba(15,23,42,0.45); }
.opac-dialog-header { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 22px; border-bottom: 1px solid #e2e8f0; background: #fff; }
.opac-dialog-header h2 { color: #0f172a; font-size: 17px; font-weight: 800; }
.opac-dialog-close { flex-shrink: 0; color: #64748b; font-size: 12px; cursor: pointer; }
.opac-dialog-body { padding: 22px; }
.opac-dialog-body h3 { margin-top: 18px; color: #0f172a; font-size: 13px; font-weight: 800; }
.opac-tool-list { margin: 14px 0; }
.opac-tool-list li { display: flex; align-items: start; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid #edf0f3; }
.opac-tool-list li > div { min-width: 0; }
.opac-tool-list a { color: #a8102b; font-size: 12px; font-weight: 700; line-height: 1.7; overflow-wrap: anywhere; }
.opac-citation-text { width: 100%; min-height: 140px; margin: 4px 0 16px; padding: 14px; border: 1px solid #e2e8f0; border-radius: 10px; background: #f8fafc; color: #334155; font-size: 13px; line-height: 1.8; }
.opac-advanced-form { display: grid; gap: 14px; margin-top: 18px; }
.opac-advanced-row { display: grid; grid-template-columns: 160px minmax(0,1fr); gap: 12px; }
.opac-advanced-form input, .opac-advanced-form select { width: 100%; min-width: 0; height: 42px; padding: 9px 11px; border: 1px solid #dce1e7; border-radius: 7px; background: #fff; color: #334155; font-size: 12px; }
.opac-advanced-options { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 12px; }
.opac-advanced-options label { display: flex; flex-direction: column; gap: 6px; color: #64748b; font-size: 11px; }
.opac-form-error { color: #b91c1c; font-size: 12px; }
@media (max-width: 639px) {
  .opac-detail-tabs { grid-template-columns: minmax(0,1fr); }
  .opac-detail-tabs > .opac-export-menu { grid-column: 1; grid-row: 2; justify-self: end; }
  .opac-browse-controls { grid-template-columns: minmax(0,1fr) auto; }
  .opac-browse-controls select { grid-column: 1 / -1; }
  .opac-advanced-row { grid-template-columns: minmax(0,1fr); gap: 6px; }
  .opac-advanced-options { grid-template-columns: 1fr 1fr; }
  .opac-advanced-options label:first-child { grid-column: 1 / -1; }
  .opac-dialog-body { padding: 18px; }
  .opac-dialog-header { padding: 16px 18px; }
  .opac-dialog-header h2 { font-size: 15px; }
}
.opac-results-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 16px; font-size: 12px; font-weight: 700; color: #334155; }
.opac-results-heading button { color: #c8102e; font-size: 11px; }
#opac-pagination { margin-top: 20px; }
.opac-shelf { margin-bottom: 40px; }
.opac-shelf-heading { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-bottom: 26px; text-align: center; }
.opac-shelf-heading > div { max-width: 640px; }
.opac-section-eyebrow { margin-bottom: 5px; color: #c8102e; font-size: 11px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.opac-shelf-heading h2 { color: #0f172a; font-size: clamp(22px, 2.4vw, 26px); font-weight: 800; letter-spacing: 0.035em; text-transform: uppercase; }
.opac-shelf-heading > div > p:last-child { margin-top: 6px; color: #64748b; font-size: 13px; line-height: 1.6; }
.opac-section-tag { display: inline-flex; align-items: center; gap: 6px; color: #64748b; font-size: 10px; }
.opac-section-tag::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: #c8102e; }
.opac-shelf-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.opac-book-card, .opac-detail-layout {
  --opac-cover-accent: #c8102e;
  --opac-cover-rgb: 200, 16, 46;
  --opac-cover-ink: #a50922;
}
.opac-book-card {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr) auto;
  align-items: start;
  gap: 20px;
  position: relative;
  min-width: 0;
  padding: 20px;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  background: #fff;
  transition: border-color 160ms, box-shadow 160ms;
}
.opac-book-card:hover, .opac-book-card:focus-within {
  border-color: var(--opac-cover-accent);
  box-shadow: 0 8px 24px rgba(var(--opac-cover-rgb), 0.12);
}
.opac-book-cover {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 112px;
  overflow: hidden;
  border-radius: 6px;
  background: #f1f5f9;
}
.opac-book-cover img { width: 100%; height: 100%; object-fit: contain; }
.opac-cover-placeholder { padding: 8px; color: #64748b; text-align: center; font-size: 11px; }
.opac-cover-placeholder[hidden] { display: none; }
.opac-book-summary { min-width: 0; }
.opac-book-visual { position: relative; min-width: 0; }
.opac-rank { position: absolute; top: 8px; left: 8px; display: inline-flex; align-items: center; gap: 5px; padding: 5px 8px; border: 1px solid rgba(var(--opac-cover-rgb), 0.18); border-radius: 6px; color: var(--opac-cover-ink); background: rgba(255,255,255,0.96); font-size: 10px; font-weight: 700; box-shadow: 0 2px 8px rgba(var(--opac-cover-rgb), 0.08); pointer-events: none; }
.opac-rank::before { content: ''; width: 5px; height: 5px; flex-shrink: 0; border-radius: 50%; background: var(--opac-cover-accent); }
.opac-book-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.opac-material-badge { padding: 3px 7px; border-radius: 4px; background: #fff1f2; color: #c8102e; font-size: 10px; font-weight: 800; text-transform: uppercase; }
.opac-call-number { color: #64748b; font-family: 'JetBrains Mono', monospace; font-size: 10px; }
.opac-book-title { color: #0f172a; font-size: 15px; font-weight: 800; line-height: 1.5; overflow-wrap: anywhere; }
.opac-book-title a:hover { color: #c8102e; text-decoration: underline; text-underline-offset: 3px; }
.opac-book-title a::after { content: ''; position: absolute; inset: 0; border-radius: 16px; }
.opac-book-author { margin-top: 6px; color: #475569; font-size: 12px; line-height: 1.6; }
.opac-book-subtitle { margin-top: 4px; color: #475569; font-size: 13px; }
.opac-book-caption { margin-top: 5px; color: #64748b; font-size: 11px; line-height: 1.6; overflow-wrap: anywhere; }
.opac-loan-count { margin-top: 12px; color: var(--opac-cover-ink, #a50922); font-size: 11px; font-weight: 800; }
.opac-book-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; min-width: 122px; position: relative; }
.opac-availability { display: inline-flex; padding: 5px 9px; border-radius: 6px; font-size: 11px; font-weight: 700; line-height: 1.5; }
.opac-availability.is-available { color: #047857; background: #ecfdf5; }
.opac-availability.is-unavailable { color: #92400e; background: #fffbeb; }
.opac-detail-link { display: inline-flex; justify-content: center; padding: 9px 12px; border-radius: 7px; color: #fff; background: #c8102e; font-size: 12px; font-weight: 700; }
.opac-detail-link:hover { background: #85071b; }
.opac-copy-button { border: 1px solid #e2e8f0; border-radius: 7px; padding: 7px 10px; color: #475569; background: #fff; font-size: 11px; font-weight: 600; cursor: pointer; }
.opac-copy-button:hover { color: #c8102e; border-color: #c8102e; }
.opac-book-card--featured { display: flex; flex-direction: column; padding: 16px; border-color: rgba(var(--opac-cover-rgb), 0.45); border-top: 3px solid var(--opac-cover-accent); border-radius: 16px; gap: 16px; box-shadow: 0 10px 26px rgba(var(--opac-cover-rgb), 0.2), 0 0 20px rgba(var(--opac-cover-rgb), 0.12); }
.opac-book-card--featured:hover, .opac-book-card--featured:focus-within { box-shadow: 0 12px 32px rgba(var(--opac-cover-rgb), 0.26), 0 0 22px rgba(var(--opac-cover-rgb), 0.16); }
.opac-book-card--featured .opac-book-visual { display: flex; flex-direction: column; gap: 10px; width: 100%; }
.opac-book-card--featured .opac-rank { position: static; order: -1; align-self: flex-start; padding: 4px 9px; border: 0; color: #fff; background: var(--opac-cover-ink); box-shadow: none; }
.opac-book-card--featured .opac-rank::before { display: none; }
.opac-book-card--featured .opac-book-cover { width: 100%; height: 220px; padding: 8px; border-radius: 10px; background: linear-gradient(145deg, rgba(var(--opac-cover-rgb), 0.12), rgba(var(--opac-cover-rgb), 0.035)); }
.opac-book-card--featured .opac-book-cover img { filter: drop-shadow(0 5px 6px rgba(15,23,42,0.14)); }
.opac-book-card--featured .opac-book-summary { flex: 1; width: 100%; }
.opac-book-card--featured .opac-book-title, .opac-book-card--featured .opac-book-author { display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }
.opac-book-card--featured .opac-book-title { min-height: 4.5em; -webkit-line-clamp: 3; }
.opac-book-card--featured .opac-book-author { margin-top: 12px; -webkit-line-clamp: 2; }
.opac-book-card--featured .opac-loan-count { width: 100%; margin: 0; padding: 6px 10px; border: 1px solid rgba(var(--opac-cover-rgb), 0.24); border-radius: 999px; background: rgba(var(--opac-cover-rgb), 0.06); }
.opac-book-card--result { grid-template-columns: 104px minmax(0, 1fr) auto; border-color: rgba(var(--opac-cover-rgb), 0.22); border-left: 4px solid var(--opac-cover-accent); background: linear-gradient(110deg, rgba(var(--opac-cover-rgb), 0.085), rgba(var(--opac-cover-rgb), 0.025) 55%, #fff); }
.opac-book-card--result .opac-book-cover { width: 104px; height: 148px; padding: 10px; border: 1px solid rgba(var(--opac-cover-rgb), 0.14); border-radius: 10px; background: linear-gradient(145deg, rgba(var(--opac-cover-rgb), 0.17), rgba(var(--opac-cover-rgb), 0.04)); }
.opac-book-card--result .opac-book-cover img { filter: drop-shadow(0 4px 5px rgba(15,23,42,0.12)); }
.opac-book-card--result .opac-material-badge { color: var(--opac-cover-ink); background: rgba(var(--opac-cover-rgb), 0.12); }
.opac-book-card--result .opac-call-number { padding: 3px 7px; border: 1px solid rgba(var(--opac-cover-rgb), 0.15); border-radius: 5px; background: rgba(255,255,255,0.75); color: #475569; }
.opac-book-card--result .opac-loan-count { display: inline-flex; padding: 5px 10px; border: 1px solid rgba(var(--opac-cover-rgb), 0.2); border-radius: 999px; background: rgba(var(--opac-cover-rgb), 0.09); }
.opac-book-card--result .opac-detail-link { background: var(--opac-cover-ink); }
.opac-book-card--result .opac-detail-link:hover { filter: brightness(0.9); }
.opac-book-card--result .opac-copy-button { border-color: rgba(var(--opac-cover-rgb), 0.25); color: var(--opac-cover-ink); }

.opac-detail-page { width: 100%; max-width: 1360px; margin: 0 auto; padding: 32px 16px 64px; }
.opac-detail-page.hidden { display: none; }
.opac-detail-breadcrumb { display: flex; gap: 10px; margin-bottom: 20px; color: #64748b; font-size: 12px; }
.opac-detail-breadcrumb a, .opac-back-link { color: #c8102e; }
.opac-back-link { display: inline-block; margin-bottom: 24px; font-size: 13px; font-weight: 700; }
.opac-back-link:hover, .opac-detail-breadcrumb a:hover { text-decoration: underline; }
.opac-detail-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr) 232px; align-items: start; gap: 24px; }
.opac-related-panel { position: sticky; top: 84px; min-width: 0; padding: 20px; border: 1px solid rgba(var(--opac-cover-rgb), 0.2); border-top: 3px solid var(--opac-cover-accent); border-radius: 14px; background: #fff; }
.opac-related-panel h2 { margin-bottom: 8px; color: #0f172a; font-size: 12px; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; }
.opac-related-list a { display: grid; grid-template-columns: minmax(0,1fr) 14px; align-items: start; gap: 9px; padding: 12px 0; border-bottom: 1px solid rgba(var(--opac-cover-rgb), 0.13); color: #334155; font-size: 12px; font-weight: 600; line-height: 1.65; overflow-wrap: anywhere; }
.opac-related-list a::after { content: '→'; color: var(--opac-cover-ink); }
.opac-related-list li:last-child a { border-bottom: 0; padding-bottom: 0; }
.opac-related-list a:hover { color: var(--opac-cover-ink); text-decoration: underline; text-underline-offset: 3px; }
.opac-related-empty { margin-top: 12px; color: #64748b; font-size: 12px; line-height: 1.7; }
.opac-detail-sidebar { position: sticky; top: 84px; min-width: 0; }
.opac-detail-cover-panel { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 20px; border: 1px solid rgba(var(--opac-cover-rgb), 0.22); border-top: 4px solid var(--opac-cover-accent); border-radius: 18px; background: #fff; box-shadow: 0 10px 28px rgba(var(--opac-cover-rgb), 0.09); }
.opac-detail-cover-panel > .opac-book-cover { width: 100%; height: 280px; padding: 14px; border-radius: 12px; background: radial-gradient(ellipse at 50% 30%, rgba(var(--opac-cover-rgb), 0.19), rgba(var(--opac-cover-rgb), 0.045)); }
.opac-detail-cover-panel .opac-book-cover img { filter: drop-shadow(0 7px 7px rgba(15,23,42,0.16)); }
.opac-detail-cover-panel .opac-copy-button { width: 100%; padding: 10px; border-color: rgba(var(--opac-cover-rgb), 0.24); color: var(--opac-cover-ink); background: rgba(var(--opac-cover-rgb), 0.055); }
.opac-detail-label { margin-top: 8px; color: #64748b; font-size: 11px; }
.opac-detail-call-number { color: var(--opac-cover-ink); font-family: 'JetBrains Mono', monospace; font-size: 13px; font-weight: 600; text-align: center; overflow-wrap: anywhere; }
.opac-detail-main { min-width: 0; }
.opac-detail-header { margin-bottom: 22px; padding: 26px; border: 1px solid rgba(var(--opac-cover-rgb), 0.2); border-top: 3px solid var(--opac-cover-accent); border-radius: 18px; background: linear-gradient(120deg, rgba(var(--opac-cover-rgb), 0.13), rgba(var(--opac-cover-rgb), 0.035) 70%, #fff); }
.opac-detail-header .opac-detail-eyebrow { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 14px; padding: 5px 9px; border-radius: 6px; color: var(--opac-cover-ink); background: rgba(255,255,255,0.9); font-size: 10px; }
.opac-detail-header .opac-detail-eyebrow::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--opac-cover-accent); }
.opac-detail-eyebrow { margin-bottom: 10px; color: #c8102e; font-size: 11px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.opac-detail-header h1, .opac-detail-error-title { color: #0f172a; font-size: clamp(24px, 3vw, 32px); font-weight: 800; line-height: 1.35; overflow-wrap: anywhere; }
.opac-detail-header h1:focus { outline: none; }
.opac-detail-subtitle { margin-top: 8px; color: #475569; font-size: 17px; line-height: 1.6; }
.opac-detail-author { margin-top: 12px; color: #475569; font-size: 13px; line-height: 1.6; }
.opac-detail-stats { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; margin-top: 24px; }
.opac-detail-stats > div { min-width: 0; padding: 14px; border: 1px solid rgba(var(--opac-cover-rgb), 0.16); border-radius: 12px; background: rgba(255,255,255,0.85); }
.opac-detail-stats dd { color: var(--opac-cover-ink); font-size: 28px; font-weight: 800; line-height: 1.2; }
.opac-detail-stats dt { margin-top: 6px; color: #64748b; font-size: 11px; }
.opac-detail-section { margin-bottom: 20px; padding: 24px; border: 1px solid rgba(var(--opac-cover-rgb), 0.18); border-radius: 14px; background: #fff; box-shadow: 0 4px 16px rgba(var(--opac-cover-rgb), 0.035); }
.opac-detail-section h2 { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; color: #0f172a; font-size: 16px; font-weight: 800; }
.opac-detail-section h2::before { content: ''; width: 5px; height: 17px; flex-shrink: 0; border-radius: 3px; background: var(--opac-cover-accent); }
.opac-bibliography { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 0; font-size: 13px; line-height: 1.7; }
.opac-bibliography dt { padding: 10px 12px; border-bottom: 1px solid rgba(var(--opac-cover-rgb), 0.09); background: rgba(var(--opac-cover-rgb), 0.055); color: #526071; font-size: 12px; font-weight: 600; }
.opac-bibliography dd { padding: 10px 14px; border-bottom: 1px solid rgba(var(--opac-cover-rgb), 0.09); color: #1e293b; overflow-wrap: anywhere; }
.opac-bibliography dt:nth-last-child(2), .opac-bibliography dd:last-child { border-bottom: 0; }
.opac-detail-text { color: #475569; font-size: 13px; line-height: 1.8; white-space: pre-line; overflow-wrap: anywhere; }
.opac-online-links { list-style: disc; padding-left: 20px; color: var(--opac-cover-ink); font-size: 13px; overflow-wrap: anywhere; }
.opac-online-links a:hover { text-decoration: underline; }
.opac-copy-table-wrap { margin-top: 18px; overflow-x: auto; }
.opac-copy-table { width: 100%; border-collapse: collapse; font-size: 12px; text-align: left; }
.opac-copy-table th { padding: 12px; border-bottom: 2px solid rgba(var(--opac-cover-rgb), 0.2); color: var(--opac-cover-ink); background: rgba(var(--opac-cover-rgb), 0.075); font-weight: 700; white-space: nowrap; }
.opac-copy-table td { padding: 14px 12px; color: #334155; border-bottom: 1px solid #f1f5f9; vertical-align: top; }
.opac-copy-table td:first-child { font-family: 'JetBrains Mono', monospace; }
.opac-copy-table tbody tr:hover { background: rgba(var(--opac-cover-rgb), 0.035); }
.opac-detail-empty { padding: 24px 0; color: #64748b; font-size: 13px; line-height: 1.8; }

@media (max-width: 1199px) {
  .opac-detail-layout { grid-template-columns: 240px minmax(0,1fr); }
  .opac-related-panel { position: static; grid-column: 2; }
}
@media (max-width: 1023px) {
  .opac-search-form { grid-template-columns: minmax(0,1fr) minmax(0,1fr) auto; }
  .opac-search-keyword { grid-column: 1 / -1; }
  .opac-shelf-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
  .opac-catalog-page { padding: 20px 16px 48px; }
  .opac-search-panel { padding: 20px; }
  .opac-search-results { padding: 18px; }
  .opac-shelf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .opac-section-tag { display: none; }
  .opac-detail-layout { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .opac-related-panel { grid-column: 1; }
  .opac-detail-sidebar { position: static; }
  .opac-detail-main { display: contents; }
  .opac-detail-header { grid-row: 1; margin-bottom: 0; padding: 20px; }
  .opac-detail-cover-panel { max-width: 300px; margin: 0 auto; }
  .opac-detail-cover-panel > .opac-book-cover { height: 240px; }
  .opac-detail-section { margin-bottom: 0; padding: 20px; }
  .opac-bibliography { grid-template-columns: 105px minmax(0, 1fr); font-size: 12px; }
  .opac-bibliography dt, .opac-bibliography dd { padding: 9px 10px; }
}
@media (max-width: 639px) {
  .opac-search-panel { padding: 18px; }
  .opac-search-form { grid-template-columns: minmax(0,1fr) minmax(0,1fr); }
  .opac-search-actions { grid-column: 1 / -1; }
  .opac-search-submit { flex: 1; }
  .opac-book-card { grid-template-columns: 64px minmax(0, 1fr); gap: 14px; padding: 16px; }
  .opac-book-cover { width: 64px; height: 96px; }
  .opac-book-card--result { grid-template-columns: 80px minmax(0, 1fr); }
  .opac-book-card--result .opac-book-cover { width: 80px; height: 116px; padding: 7px; }
  .opac-book-actions { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: space-between; flex-wrap: wrap; }
  .opac-book-title { font-size: 14px; }
  .opac-book-card--featured { padding: 12px; }
  .opac-book-card--featured .opac-book-cover { height: 170px; padding: 6px; }
  .opac-book-card--featured .opac-book-title { font-size: 12px; }
  .opac-detail-stats { gap: 7px; }
  .opac-detail-stats > div { padding: 12px 9px; }
  .opac-detail-stats dd { font-size: 24px; }
}
@media (max-width: 359px) {
  .opac-search-panel { padding-inline: 16px; }
}

.portal-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  background: #c8102e;
  color: rgba(255, 255, 255, 0.8);
}

.portal-footer p,
.portal-footer ul {
  color: rgba(255, 255, 255, 0.82);
}

.portal-footer .portal-footer-copyright {
  border-color: rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.78);
}

.service-hours-section {
  padding-top: clamp(1.5rem, 3vw, 2rem);
  padding-bottom: 0;
  background: transparent;
}

.service-hours-panel {
  border: 0;
  background: transparent;
  box-shadow: none;
}

.service-hours-card {
  min-width: 0;
  border: 1px solid #fff;
  background: #fff;
  box-shadow: 0 18px 40px rgba(31, 41, 55, 0.12), 0 4px 12px rgba(133, 7, 27, 0.06);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.service-hours-section .service-hours-card {
  border-radius: 0;
}

#layanan-section [id^="layanan-"],
#layanan-section #usul-buku,
#view-eresources [id^="sub-"] {
  border-radius: 0;
}

.service-hours-card--today,
.service-hours-card--schedule {
  background: #fff;
}

.service-hours-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 48px rgba(31, 41, 55, 0.16), 0 8px 18px rgba(133, 7, 27, 0.08);
}

.service-card-title { color: #171717; }
.service-card-copy { color: #3f3f46; }
.service-card-eyebrow { color: #c8102e; }
.service-card-accent { color: #c8102e; }
.service-card-muted { color: #71717a; }

.service-card-footer,
.service-card-note {
  border-color: #fff;
  color: #27272a;
}

.service-icon {
  background: #fff1f2;
  color: #c8102e;
}

.service-schedule {
  color: #3f3f46;
}

.service-schedule > div {
  gap: 0.75rem;
  border-color: #fff;
}

.service-status-pill {
  background: #fff1f2;
  color: #a50922;
}

.service-status-dot {
  background: #c8102e;
}

.service-status-pill[data-status="closed"],
.service-status-pill[data-status="unavailable"] {
  background: #f1f5f9;
  color: #475569;
}

.service-status-pill[data-status="closed"] .service-status-dot,
.service-status-pill[data-status="unavailable"] .service-status-dot {
  background: currentColor;
}

#layanan-section > .grid > div {
  text-align: center;
}

#layanan-section > .grid > div > div > img,
#layanan-section > .grid > div > div > div:first-child {
  margin-left: auto;
  margin-right: auto;
}

#layanan-section > .grid > div > span {
  justify-content: flex-end;
}

/* Animasi muncul saat beranda discroll ke bawah maupun ke atas (dipasang oleh beranda-animasi.js).
   Memakai translate/scale/rotate terpisah agar tidak bentrok dengan transform efek hover. */
html.reveal-on [data-reveal] {
  --reveal-ease: cubic-bezier(.2, .8, .2, 1);
  opacity: 0;
  transition: opacity .8s var(--reveal-ease) var(--reveal-delay, 0ms), translate .8s var(--reveal-ease) var(--reveal-delay, 0ms),
    scale .8s var(--reveal-ease) var(--reveal-delay, 0ms), color .2s, background-color .2s, border-color .2s, box-shadow .3s, transform .3s;
}
html.reveal-on [data-reveal="fade-up"] { translate: 0 44px; }
html.reveal-on [data-reveal="zoom-in"] { scale: .85; }
html.reveal-on [data-reveal="fade-left"] { translate: 36px 0; }
/* Halaman lain (animasi-halaman.js): naik pendek dan cepat, karena isinya bisa berganti saat dicari atau difilter. */
html.reveal-on [data-reveal="rise"] {
  translate: 0 22px;
  transition: opacity .6s var(--reveal-ease) var(--reveal-delay, 0ms), translate .6s var(--reveal-ease) var(--reveal-delay, 0ms),
    color .2s, background-color .2s, border-color .2s, box-shadow .3s, transform .3s;
}
/* Ikon "meletup": membesar sedikit melewati ukuran asli lalu kembali. */
html.reveal-on [data-reveal="pop"] {
  scale: .4;
  rotate: -12deg;
  transition: opacity .5s ease var(--reveal-delay, 0ms), scale .7s cubic-bezier(.34, 1.56, .64, 1) var(--reveal-delay, 0ms),
    rotate .7s cubic-bezier(.34, 1.56, .64, 1) var(--reveal-delay, 0ms);
}
html.reveal-on [data-reveal].is-revealed { opacity: 1; translate: none; scale: none; rotate: none; }
@media (prefers-reduced-motion: reduce) {
  html.reveal-on [data-reveal] { opacity: 1; translate: none; scale: none; rotate: none; transition: none; }
}

.npp-page {
  min-height: 100%;
  background: #fff;
}

.npp-feature-card {
  border: 2px solid #c8102e;
  background: #fff;
  box-shadow: 0 28px 70px rgba(75, 0, 12, 0.24);
}

.npp-text { color: #85071b; }
.npp-eyebrow { color: #c8102e; }
.npp-muted { color: #a31728; }

.npp-code-panel {
  border: 1px solid rgba(200, 16, 46, 0.22);
  background: linear-gradient(135deg, #c8102e, #85071b);
}

.npp-code-panel .npp-text,
.npp-code-panel .npp-muted { color: #fff; }

.npp-verified {
  border: 1px solid #c8102e;
  background: #fff;
  color: #a50922;
}

.npp-caption { color: #a31728; }

.npp-detail-card {
  border: 1px solid rgba(200, 16, 46, 0.18);
  background: #fff7f8;
  color: #85071b;
}

.npp-footer {
  border-color: rgba(200, 16, 46, 0.2);
  color: #a31728;
}

.book-carousel {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) 2.5rem;
  align-items: center;
}

.book-carousel-arrow {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 4rem;
  border-radius: 0.5rem;
  color: #94a3b8;
  transition: color 150ms ease;
}

.book-carousel-arrow:hover { color: #c8102e; }
.book-carousel-arrow[hidden] { display: none; }

.book-carousel-arrow svg {
  width: 2rem;
  height: 2rem;
}

.book-carousel-viewport {
  grid-column: 2;
  overflow: hidden;
  /* Leave room for the card glow while keeping off-screen books clipped. */
  padding: 32px 24px;
  margin: -26px -18px;
  touch-action: pan-y;
}

.book-carousel-track {
  --carousel-visible: 4;
  --carousel-gap: 1.5rem;
  display: flex;
  gap: var(--carousel-gap);
}

.book-carousel-item {
  display: flex;
  flex: 0 0 calc((100% - (var(--carousel-visible) - 1) * var(--carousel-gap)) / var(--carousel-visible));
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
  text-align: left;
}

.book-carousel-item[inert] { box-shadow: none; }

.opac-result .opac-book-cover {
  width: min(100%, 9.5rem);
  height: auto;
  aspect-ratio: 2 / 3;
  border-radius: 0;
  box-shadow: 0 4px 12px rgba(31, 41, 55, 0.12);
}

.opac-result .opac-book-cover img { object-fit: cover; }

.book-carousel-item:focus-visible {
  outline: 2px solid var(--opac-cover-ink);
  outline-offset: 2px;
}

.book-carousel-item .opac-cover-placeholder:not([hidden]),
.opac-result .opac-cover-placeholder:not([hidden]) {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 0.75rem;
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #94a3b8;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1rem;
  line-height: 1.4;
  text-align: center;
  text-transform: uppercase;
}

.book-carousel-title,
.book-carousel-author {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
}

.book-carousel-title {
  min-height: 4.2em;
  color: #0f172a;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.4;
  line-clamp: 3;
  -webkit-line-clamp: 3;
  transition: color 150ms ease;
}

.book-carousel-item:hover .book-carousel-title { color: var(--opac-cover-ink); }

.book-carousel-author {
  margin-top: 0.5rem;
  color: #64748b;
  font-size: 0.75rem;
  line-height: 1.4;
  line-clamp: 1;
  -webkit-line-clamp: 1;
}

.opac-result {
  display: grid;
  grid-template-columns: 1.25rem 4.5rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
}

.opac-result:hover .opac-result-title,
.opac-result:focus-visible .opac-result-title {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.opac-result .opac-cover-placeholder:not([hidden]) {
  padding: 0.25rem;
  font-size: 0.625rem;
}

.opac-result-details { grid-column: 1 / -1; }

@media (min-width: 640px) {
  .opac-result {
    grid-template-columns: 1.25rem 6rem minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    column-gap: 1rem;
    row-gap: 0.5rem;
  }

  .opac-result .opac-book-cover {
    grid-column: 2;
    grid-row: 1 / 3;
  }

  .opac-result-details { grid-column: 3; }
}

@media (max-width: 1023px) {
  .book-carousel-track { --carousel-visible: 3; }
}

@media (max-width: 639px) {
  .book-carousel { grid-template-columns: 1.75rem minmax(0, 1fr) 1.75rem; }
  .book-carousel-viewport { padding-inline: 16px; margin-inline: -10px; }
  .book-carousel-track {
    --carousel-visible: 2;
    --carousel-gap: 1rem;
  }

  .book-carousel-arrow svg {
    width: 1.5rem;
    height: 1.5rem;
  }

  .book-carousel-item {
    gap: 0.75rem;
    padding: 10px;
    border-radius: 12px;
  }

  .book-carousel-item .opac-book-cover { height: 168px; padding: 6px; }
  .book-carousel-item .opac-rank { padding: 4px 6px; font-size: 9px; }
  .book-carousel-title { font-size: 13px; }
  .book-carousel-author { font-size: 11px; }
  .book-carousel-item .opac-loan-count { padding: 6px; font-size: 10px; }
}

.hero-section {
  min-height: calc(100vh - 158px);
  min-height: calc(100svh - 158px);
}

@media (max-width: 639px) {
  .npp-page-content .npp-feature-card {
    padding: 1.5rem;
  }
}

/* Laptop kecil: empat kolom header butuh ±1190px, kolom alamat disembunyikan agar halaman tidak tergeser ke samping. */
@media (max-width: 1199px) {
  #header-address { display: none; }
}

/* HP dan tablet: header ringkas yang menempel di atas, navigasi lewat tombol menu (drawer). */
@media (max-width: 1023px) {
  html { scroll-padding-top: 84px; }

  #site-header {
    position: sticky;
    top: 0;
    z-index: 40;
  }

  .hero-section {
    min-height: calc(100vh - 72px);
    min-height: calc(100svh - 72px);
  }

  #header-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    min-height: 72px;
    overflow: visible;
    padding-block: 6px;
  }

  #header-institution {
    min-width: 0;
    padding-right: 0;
  }

  #header-institution .header-logo {
    width: 56px;
    height: 56px;
  }

  #header-institution .header-logo img { transform: translateY(4px); }

  #header-hours,
  #header-contact,
  #header-address,
  #primary-navigation {
    display: none;
  }
}

/* Menu samping (HP & tablet). */
.drawer-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.875rem;
  border-radius: 0.75rem;
  transition: background-color 150ms ease, color 150ms ease;
}

.drawer-link:hover,
.drawer-link:focus-visible,
.drawer-link[aria-expanded="true"] {
  background: #fef2f2;
  color: #c8102e;
  outline: none;
}

.drawer-icon { color: #94a3b8; flex-shrink: 0; }
.drawer-link:hover .drawer-icon,
.drawer-link[aria-expanded="true"] .drawer-icon { color: #c8102e; }

.drawer-sub {
  margin: 0.25rem 0 0.5rem 1.6rem;
  padding-left: 0.75rem;
  border-left: 2px solid #fee2e2;
}

.drawer-sub a {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 0.5rem;
  color: #475569;
  font-size: 0.8125rem;
  font-weight: 500;
}

.drawer-sub a:hover,
.drawer-sub a:focus-visible {
  background: #fef2f2;
  color: #c8102e;
  outline: none;
}

.drawer-sub-label {
  display: block;
  padding: 0.75rem 0.75rem 0.25rem;
  color: #94a3b8;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Kartu 10 layanan di HP: ikon di kiri, teks di kanan, agar daftar tidak memanjang. */
@media (max-width: 639px) {
  #layanan-section > .grid { gap: 0.75rem; }

  #layanan-section > .grid > div {
    display: grid;
    grid-template-columns: 3.5rem minmax(0, 1fr);
    column-gap: 1rem;
    align-items: center;
    padding: 1rem;
    text-align: left;
  }

  #layanan-section > .grid > div > div { display: contents; }

  #layanan-section > .grid > div > div > img {
    grid-row: 1 / span 3;
    width: 3.5rem;
    height: 3.5rem;
    margin: 0;
  }

  #layanan-section > .grid > div > div > h3,
  #layanan-section > .grid > div > div > p,
  #layanan-section > .grid > div > span { grid-column: 2; }

  #layanan-section > .grid > div > div > h3 { font-size: 0.9375rem; }
  #layanan-section > .grid > div > div > p { font-size: 0.75rem; }

  #layanan-section > .grid > div > span {
    justify-content: flex-start;
    margin-top: 0.375rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .service-hours-card:hover {
    transform: none;
  }
}

/* Koleksi Terbaru di beranda: digeser dengan tombol atau usapan, tanpa batang gulir. */
.koleksi-track { scrollbar-width: none; }
.koleksi-track::-webkit-scrollbar { display: none; }

/* Sampul Koleksi Terbaru tampil sebagai buku 3D: diputar sedikit, punggung buku terlihat di kiri. */
.koleksi-cover { container-type: size; perspective: 1600px; }
.koleksi-book {
  --spine: 18px;
  position: relative;
  display: block;
  transform: rotateY(24deg);
  transform-style: preserve-3d;
  transition: transform .6s cubic-bezier(.2, .8, .2, 1);
}
.koleksi-book > img,
.koleksi-book > .koleksi-plate {
  display: block;
  max-width: calc(100cqw - var(--spine));
  max-height: 100cqh;
  border-radius: 2px 5px 5px 2px;
  box-shadow: 22px 20px 28px -10px rgba(15, 23, 42, .5);
}
.koleksi-book > .koleksi-plate {
  height: min(100cqh, calc((100cqw - var(--spine)) * 1.5));
  aspect-ratio: 2 / 3;
}
/* Punggung buku: irisan kiri sampul yang digelapkan, ditekuk ke belakang. */
.koleksi-book::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  right: 100%;
  width: var(--spine);
  border-radius: 2px 0 0 2px;
  background: linear-gradient(90deg, rgba(0, 0, 0, .62), rgba(0, 0, 0, .34)), var(--cover, linear-gradient(#85071B, #85071B)) left center / auto 100% no-repeat;
  transform-origin: right center;
  transform: rotateY(-90deg);
}
/* Lipatan dekat punggung pada sisi depan sampul. */
.koleksi-book::after {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 7%;
  border-radius: 2px 0 0 2px;
  background: linear-gradient(90deg, rgba(255, 255, 255, .3), rgba(0, 0, 0, .15) 45%, transparent);
  pointer-events: none;
}
.group:hover .koleksi-book,
.group:focus-within .koleksi-book { transform: rotateY(8deg) translateZ(24px); }
/* Kartu di tengah paling besar; kartu samping mengecil, turun, dan sedikit pudar (--focus diisi beranda-koleksi.js). */
.koleksi-card {
  scale: calc(.84 + .16 * var(--focus, 1));
  translate: 0 calc((1 - var(--focus, 1)) * 30px);
  opacity: calc(.65 + .35 * var(--focus, 1));
  transform-origin: center top;
}
/* Ukuran dan pudar kartu mengikuti posisi geser setiap frame, jadi tidak boleh ikut ditunda transisi. */
.koleksi-track > .koleksi-card { transition: box-shadow .3s ease, transform .3s ease; }
/* Saat pertama terlihat, kartu masuk dari kanan satu per satu. */
@keyframes koleksi-masuk {
  from { opacity: 0; transform: translateX(90px); }
  to { opacity: 1; transform: none; }
}
.koleksi-track.is-entering > article {
  animation: koleksi-masuk .75s cubic-bezier(.2, .8, .2, 1) both;
  animation-delay: calc(var(--i, 0) * 110ms);
}
@media (prefers-reduced-motion: reduce) {
  .koleksi-book { transition: none; }
  .koleksi-track.is-entering > article { animation: none; }
}

/* Ikon layanan 3D (Microsoft Fluent Emoji, lisensi MIT): melayang pelan, melompat saat kartunya disentuh kursor. */
.ikon-3d {
  filter: drop-shadow(0 8px 10px rgba(15, 23, 42, .18));
  animation: ikon-melayang 3.4s ease-in-out infinite;
}
#layanan-section .grid > div:nth-child(2n) .ikon-3d,
#jam-layanan-section .service-hours-card:nth-child(2n) .ikon-3d { animation-delay: -1.1s; }
#layanan-section .grid > div:nth-child(3n) .ikon-3d { animation-delay: -2.2s; }
.group:hover .ikon-3d,
#jam-layanan-section .service-hours-card:hover .ikon-3d { animation: ikon-lompat .7s cubic-bezier(.34, 1.56, .64, 1); }
@keyframes ikon-melayang {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-6px) rotate(-3deg); }
}
@keyframes ikon-lompat {
  0% { transform: translateY(0) scale(1); }
  35% { transform: translateY(-12px) scale(1.15) rotate(-6deg); }
  70% { transform: translateY(2px) scale(.97) rotate(2deg); }
  100% { transform: translateY(0) scale(1); }
}

/* Website publik: setiap halaman, menu, dan submenu muncul dengan animasi halus saat dibuka.
   Animasi berjalan setiap kali elemen berubah dari tersembunyi menjadi tampil. */
html { scroll-behavior: smooth; }
main[id^="view-"]:not(.hidden) { animation: halaman-masuk .5s cubic-bezier(.2, .8, .2, 1) backwards; }
.nav-dropdown-menu:not(.hidden) { animation: menu-masuk .22s ease-out backwards; transform-origin: top left; }
.nav-dropdown-menu .group > div { animation: menu-samping .2s ease-out backwards; }
#mobile-sub-tentang:not(.hidden),
#mobile-sub-layanan:not(.hidden),
#mobile-sub-eresources:not(.hidden) { animation: menu-masuk .22s ease-out backwards; }
@keyframes halaman-masuk {
  from { opacity: 0; transform: translateY(18px); }
}
@keyframes menu-masuk {
  from { opacity: 0; transform: translateY(-8px) scale(.97); }
}
@keyframes menu-samping {
  from { opacity: 0; transform: translateX(-8px); }
}
/* Kartu layanan sedikit tertekan saat diklik. */
#layanan-section .grid > div:active,
#koleksi-terbaru-track .koleksi-card:active { transform: scale(.97); }

/* Halaman program studi: foto latar perlahan mundur dari dekat saat halaman dibuka. */
.prodi-hero-foto { animation: prodi-foto-masuk 1.8s cubic-bezier(.2, .8, .2, 1) both; }
@keyframes prodi-foto-masuk {
  from { transform: scale(1.15); opacity: 0; }
}

/* Publikasi dosen: pola titik halus di kepala halaman. */
.pub-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, .14) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: linear-gradient(115deg, transparent 35%, #000 100%);
  pointer-events: none;
}
.pub-hero::after {
  content: "";
  position: absolute;
  width: 22rem;
  height: 22rem;
  right: -7rem;
  top: -9rem;
  border-radius: 9999px;
  background: radial-gradient(circle, rgba(255, 255, 255, .22), transparent 70%);
  pointer-events: none;
}