/* Shared catalogue navigation, library and reflowable technical documents. */
.catalogue-library [hidden], .catalogue-detail [hidden] { display: none !important; }
.catalogue-library.section { padding-top: 56px; }
.catalogue-filters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; padding: 24px; background: var(--c-surface-alt); border: 1px solid var(--c-line); border-radius: 16px; margin-bottom: 44px; align-items: end; }
.catalogue-filters label { display: grid; gap: 8px; min-width: 0; font-size: 14px; }
.catalogue-search { grid-column: span 2; }
.catalogue-filters select, .catalogue-file-language select { width: 100%; min-height: 44px; border: 1px solid var(--c-line); border-radius: 8px; background: var(--c-surface); color: var(--c-text); font: inherit; padding: 8px 12px; }
.catalogue-filters input { min-width: 0; width: 100%; }
.catalogue-group-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; }
.catalogue-group-heading h2 { font-size: clamp(24px, 3vw, 34px); }
.catalogue-group-heading [data-result-count] { flex-shrink: 0; font-size: 14px; }
.catalogue-library .doc-list { display: grid; gap: 18px; border: 0; margin-top: 24px; }
.catalogue-library .doc-item { display: grid; grid-template-columns: 132px minmax(0, 1fr) 330px; gap: 28px; align-items: center; padding: 24px; border: 1px solid var(--c-line); border-radius: 16px; background: var(--c-surface); }
.catalogue-library .doc-thumb, .catalogue-library .doc-thumb--wide { width: 132px; height: 120px; object-fit: contain; padding: 10px; background: white; border: 1px solid var(--c-line); border-radius: 10px; }
.catalogue-library .doc-icon { width: 132px; height: 120px; padding: 42px; background: var(--c-surface-alt); border: 1px solid var(--c-line); border-radius: 10px; }
.catalogue-library .doc-main { min-width: 0; overflow-wrap: anywhere; }
.catalogue-library .doc-title { font-size: 17px; line-height: 1.45; margin-bottom: 8px; overflow-wrap: anywhere; }
.catalogue-library .doc-meta { display: block; line-height: 1.5; }
.catalogue-summary { font-size: 14px; line-height: 1.55; margin: 6px 0 0; max-width: 70ch; }
.catalogue-origin { display: inline-block; font-size: 12px; margin-top: 6px; color: var(--c-text-muted); }
.catalogue-library .doc-actions { min-width: 0; max-width: 100%; gap: 12px; justify-content: flex-end; align-items: center; }
.catalogue-library .doc-file { width: 100%; display: grid; grid-template-columns: auto minmax(0, 1fr) minmax(0, 1fr); }
.catalogue-library .doc-file .doc-view, .catalogue-library .doc-file .doc-dl { justify-content: center; padding: 12px 10px; white-space: nowrap; }
.catalogue-library .doc-lang { padding: 0 10px; }
.catalogue-library .catalogue-pages { grid-column: 1 / -1; padding: 8px 12px; border-top: 1px solid var(--c-line); text-align: right; line-height: 1.4; }
.catalogue-file-language { width: 148px; flex-shrink: 0; }
.catalogue-pages { font-size: 12px; color: var(--c-text-muted); white-space: nowrap; }
.catalogue-originals { margin-top: 64px; }
.catalogue-source-intro { max-width: 80ch; }
.catalogue-more { margin-top: 24px; }
.catalogue-detail { padding-top: 32px; padding-bottom: 80px; }
.catalogue-detail-actions { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; margin-bottom: 32px; font-size: 14px; }
.catalogue-language-links { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.catalogue-language-links a, .catalogue-language-links span { padding: 8px 12px; min-height: 44px; border-radius: 8px; border: 1px solid var(--c-line); display: inline-flex; align-items: center; }
.catalogue-language-links [aria-current] { background: var(--c-blue-tint); color: var(--c-blue-text); font-weight: 600; }
.catalogue-detail-header { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 48px; align-items: center; margin-bottom: 56px; }
.catalogue-detail-header--text { grid-template-columns: 1fr; max-width: 960px; }
.catalogue-detail-header h1 { font-size: clamp(30px, 4vw, 48px); line-height: 1.15; overflow-wrap: anywhere; }
@media (max-width: 360px) {
  .catalogue-detail-header h1 { font-size: clamp(26px, calc(10vw - 6px), 30px); }
}
.catalogue-detail-cover { width: 100%; height: auto; max-height: 380px; object-fit: contain; }
.catalogue-detail-cover--document { max-width: 240px; justify-self: center; }
.catalogue-detail-figure { margin: 0; }
.catalogue-detail-figure figcaption { font-size: 12px; line-height: 1.5; color: var(--c-text-muted); margin-top: 12px; }
.catalogue-detail-figure--document .catalogue-detail-cover { max-height: 260px; }
.catalogue-button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.catalogue-reading-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 48px; align-items: start; }
.catalogue-toc { position: sticky; top: 110px; padding: 24px; background: var(--c-surface-alt); border: 1px solid var(--c-line); border-radius: 16px; font-size: 14px; }
.catalogue-toc h2 { font-size: 20px; }
.catalogue-toc ol { padding-left: 20px; margin: 16px 0 24px; }
.catalogue-toc li { margin-bottom: 12px; }
.catalogue-toc a { line-height: 1.5; }
.catalogue-article { min-width: 0; max-width: 850px; }
.catalogue-chapter { scroll-margin-top: 110px; padding-bottom: 48px; margin-bottom: 48px; border-bottom: 1px solid var(--c-line); display: flow-root; }
.catalogue-chapter h2 { font-size: clamp(25px, 3vw, 34px); line-height: 1.25; overflow-wrap: anywhere; }
.catalogue-chapter h3 { font-size: 21px; margin-top: 28px; overflow-wrap: anywhere; }
.catalogue-chapter p, .catalogue-chapter li { line-height: 1.75; overflow-wrap: anywhere; }
.catalogue-chapter li { margin-bottom: 8px; }
.catalogue-chapter a { overflow-wrap: anywhere; }
.catalogue-guidance, .catalogue-related { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--c-line); }
.catalogue-guidance h2, .catalogue-related h2 { font-size: clamp(25px, 3vw, 34px); line-height: 1.25; }
.catalogue-guidance h3 { font-size: 21px; line-height: 1.4; margin-top: 28px; }
.catalogue-guidance p { line-height: 1.75; }
.catalogue-related li { margin: 12px 0; }
.catalogue-table { width: 100%; overflow-x: auto; margin: 24px 0; border: 1px solid var(--c-line); border-radius: 10px; clear: both; }
.catalogue-table table { width: 100%; border-collapse: collapse; font-size: 14px; }
.catalogue-table th, .catalogue-table td { text-align: left; vertical-align: top; padding: 13px 16px; border-bottom: 1px solid var(--c-line); min-width: 100px; line-height: 1.6; }
.catalogue-table th { background: var(--c-anthracite); color: white; font-weight: 600; }
.catalogue-table tbody tr:nth-child(odd) { background: var(--c-surface-alt); }
.catalogue-table tr:last-child td { border-bottom: 0; }
.catalogue-process-image { float: right; width: 200px; margin: 0 0 20px 28px; padding: 12px; border: 1px solid var(--c-line); border-radius: 12px; }
.catalogue-process-image img { display: block; width: 100%; max-height: 170px; object-fit: contain; }
.catalogue-process-image figcaption { font-size: 12px; line-height: 1.5; color: var(--c-text-muted); margin-top: 10px; }
.catalogue-chapter-action { clear: both; padding-top: 12px; }
.catalogue-chapter-action .btn { max-width: 100%; white-space: normal; text-align: center; }
.catalogue-inline-figure { display: inline-flex; flex-direction: column; vertical-align: top; width: calc(50% - 18px); margin: 16px 14px 24px 0; padding: 12px; border: 1px solid var(--c-line); background: var(--c-surface-alt); }
.catalogue-inline-figure img { display: block; width: 100%; height: 240px; object-fit: contain; }
.catalogue-inline-figure figcaption { margin-top: 12px; font-size: 13px; line-height: 1.6; color: var(--c-text-muted); }
.catalogue-inline-figure--wide { display: flex; width: 100%; margin-right: 0; }
.catalogue-inline-figure--wide img { height: auto; max-height: 460px; }
.catalogue-original-panel { max-width: 860px; padding: 32px; background: var(--c-surface-alt); border: 1px solid var(--c-line); border-radius: 16px; }
.catalogue-original-panel h2 { font-size: 26px; }
.catalogue-original-panel .btn { margin: 12px 8px 0 0; }
@media (max-width: 1100px) {
  .catalogue-library .doc-item { grid-template-columns: 132px minmax(0, 1fr); gap: 20px 28px; }
  .catalogue-library .doc-actions { grid-column: 2; justify-content: flex-start; }
  .catalogue-library .doc-file { width: min(100%, 360px); }
}
@media (max-width: 900px) {
  .catalogue-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalogue-reading-layout { grid-template-columns: 1fr; gap: 32px; }
  .catalogue-toc { position: static; }
  .catalogue-toc ol { columns: 2; }
  .catalogue-toc li { break-inside: avoid; }
  .catalogue-detail-header { gap: 24px; }
}
@media (max-width: 600px) {
  .catalogue-library.section { padding-top: 36px; }
  .catalogue-filters { grid-template-columns: 1fr; padding: 18px; }
  .catalogue-search { grid-column: auto; }
  .catalogue-group-heading { display: block; }
  .catalogue-detail-header { grid-template-columns: 1fr; }
  .catalogue-detail-cover { max-height: 240px; }
  .catalogue-toc ol { columns: auto; }
  .catalogue-process-image { float: none; width: min(100%, 220px); margin: 16px auto 24px; }
  .catalogue-inline-figure { display: flex; width: 100%; margin: 16px 0 24px; }
  .catalogue-original-panel { padding: 22px; }
  .catalogue-library .doc-list { gap: 16px; }
  .catalogue-library .doc-item { grid-template-columns: 96px minmax(0, 1fr); gap: 8px 16px; padding: 18px; align-items: start; }
  .catalogue-library .doc-thumb, .catalogue-library .doc-thumb--wide { grid-column: 1; grid-row: 1 / span 2; width: 96px; height: 104px; padding: 8px; }
  .catalogue-library .doc-icon { grid-column: 1; grid-row: 1 / span 2; width: 96px; height: 104px; padding: 30px; }
  .catalogue-library .doc-main { display: contents; }
  .catalogue-library .doc-title { grid-column: 2; grid-row: 1; font-size: 16px; margin: 0; }
  .catalogue-library .doc-meta { grid-column: 2; grid-row: 2; }
  .catalogue-library .catalogue-summary { grid-column: 1 / -1; font-size: 13px; margin: 8px 0 0; max-width: none; }
  .catalogue-library .catalogue-origin { grid-column: 1 / -1; }
  .catalogue-library .doc-actions { width: 100%; grid-column: 1 / -1; gap: 12px; margin-top: 8px; padding-top: 16px; border-top: 1px solid var(--c-line); }
  .catalogue-library .catalogue-file-language { width: 100%; }
  .catalogue-library .doc-file { width: 100%; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .catalogue-library .doc-file .doc-view, .catalogue-library .doc-file .doc-dl { font-size: 13px; }
  .catalogue-library .doc-lang { grid-column: 1 / -1; padding: 8px 10px; font-size: 12px; border-right: 0; border-bottom: 1px solid var(--c-line); }
}
@media print {
  .catalogue-toc, .catalogue-detail-actions, .catalogue-button-row, .catalogue-chapter-action { display: none; }
  .catalogue-reading-layout { display: block; }
  .catalogue-chapter { break-inside: avoid; }
  .catalogue-table { overflow: visible; }
}