.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

[hidden] { display: none !important; }
.library-content { min-width: 0; }
.library-content > header { border-bottom: 2px solid var(--ink); margin-bottom: 28px; padding-bottom: 20px; }
.library-document-meta { border-bottom: 1px solid var(--rule-strong); margin-bottom: 24px; padding: 4px 0 18px; }
.library-document-meta p { margin: 8px 0; font-size: 0.82rem; }
.library-kicker, .library-count, .library-source, .library-badge { font-family: var(--font-mono); }
.library-kicker { color: var(--accent); font-size: 0.72rem; letter-spacing: 0.08em; }
.library-source { color: var(--ink-body); font-size: 0.75rem; overflow-wrap: anywhere; }
.library-filters { display: flex; flex-wrap: wrap; gap: 14px; align-items: end; margin: 28px 0 16px; }
.library-filters > div:first-child { flex: 1 1 240px; }
.library-filters > div { flex: 1 1 160px; min-width: 0; }
.library-filters label { display: block; color: var(--ink); font-size: 0.8rem; font-weight: 700; margin-bottom: 6px; }
.library-filters input, .library-filters select { width: 100%; min-width: 0; min-height: 44px; border: 1px solid var(--rule-strong); border-radius: var(--radius-sm); background: var(--paper-raised); color: var(--ink); padding: 10px; font: inherit; font-size: 0.88rem; }
.library-filters input:hover, .library-filters select:hover { border-color: var(--ink-meta); }
.library-count { font-size: 0.75rem; color: var(--ink-body); }
.library-list { list-style: none; padding: 0; margin: 0; }
.library-entry { border-top: 1px solid var(--rule-strong); padding: 20px 0; }
.library-entry-link { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: baseline; text-decoration: none; }
.library-entry-title { color: var(--ink); font-weight: 700; font-size: 1.05rem; overflow-wrap: anywhere; }
.library-entry-link:hover .library-entry-title { color: var(--accent); text-decoration: underline; }
.library-entry-link:active .library-entry-title { color: var(--accent-deep); }
.library-entry p { margin: 8px 0; font-size: 0.9rem; }
.library-badge { color: var(--indigo); border: 1px solid var(--rule-strong); font-size: 0.65rem; padding: 2px 6px; white-space: nowrap; }
.library-history { border-left: 3px solid var(--indigo); background: var(--indigo-wash); padding: 14px 16px; }
.library-article { overflow-wrap: anywhere; }
.library-article h2, .library-article h3 { scroll-margin-top: 120px; }
.library-article h2 { margin-top: 36px; }
.library-article img { display: block; max-width: 100%; height: auto; margin: 24px auto; }
.library-article pre { max-width: 100%; overflow-x: auto; padding: 24px 20px; }
.library-article pre code { overflow-wrap: normal; white-space: pre; }
.library-article :not(pre) > code { overflow-wrap: anywhere; }
.library-article blockquote { border-left: 3px solid var(--rule-strong); margin-left: 0; padding-left: 18px; }
.library-code { position: relative; }
.library-copy { display: block; margin: 8px 8px 0 auto; color: var(--code-fg); }
.cmd-item { text-decoration: none; color: inherit; }
.cmd-item:focus-visible { outline-offset: -3px; background: var(--accent-wash); }
.cmd-item:active { background: var(--paper-sunken); }
.cmd-item > span:first-child { min-width: 0; overflow-wrap: anywhere; }
.cmd-item-tag { flex-shrink: 0; }
.cmd-close { flex-shrink: 0; }
.doc-mobile-nav summary { display: none; color: var(--ink); padding: 12px 20px; font-weight: 700; cursor: pointer; }
.doc-mobile-nav summary:hover { background: var(--accent-wash); }
.library-page .doc-topbar { flex-wrap: wrap; }
.library-page .doc-topbar-title, .library-page .btn, .library-document-meta a { white-space: nowrap; }
.library-page .topbar-actions { flex-wrap: wrap; }

@media (max-width: 900px) {
  .doc-mobile-nav summary { display: list-item; list-style-position: inside; }
  .doc-mobile-nav[open] summary { border-bottom: 1px solid var(--rule); }
}

@media (max-width: 600px) {
  .library-filters > div { flex-basis: 100%; }
  .library-content .doc-title { font-size: 1.8rem; }
  .library-content .topbar-actions { gap: 6px; }
  .library-article pre { padding: 18px 12px; }
}

@media print {
  .library-filters, .copy-btn, .library-document-meta a { display: none; }
  .library-article pre { white-space: pre-wrap; }
}