/* AI Wiki — Wikipedia-inspired layout, AIWebinars brand colors */

:root {
  --wiki-bg:        #f6f6f6;
  --wiki-content:   #ffffff;
  --wiki-border:    #a2a9b1;
  --wiki-border-light: #eaecf0;
  --primary:        #4854C7;
  --primary-hover:  #3b45a8;
  --wiki-link:      #3366cc;
  --wiki-link-hover:#2a4b8d;
  --text:           #202122;
  --text-muted:     #54595d;
  --infobox-bg:     #f8f9fa;
  --infobox-header: #cee0f2;
  --sans:           'Inter', -apple-system, sans-serif;
  --serif:          'Source Serif 4', Georgia, 'Linux Libertine', serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--wiki-bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--wiki-link); text-decoration: none; }
a:hover { color: var(--wiki-link-hover); text-decoration: underline; }
.container { max-width: 1200px; }

.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }

/* ── Header ──────────────────────────────────── */
.site-header {
  background: var(--wiki-content);
  border-bottom: 1px solid var(--wiki-border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.site-header.shadow {
  box-shadow: 0 2px 6px rgba(0,0,0,.08);
}

/* Top bar */
.header-top {
  border-bottom: 1px solid var(--wiki-border-light);
}
.header-top-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 12px;
  min-height: 52px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  text-decoration: none !important;
  color: var(--text) !important;
}
.header-logo-icon {
  width: 34px; height: 34px;
  background: #eef0fb;
  color: var(--primary);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}
.header-logo-text {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.header-logo-text strong { color: var(--primary); }

/* Search — Wikipedia-style */
.header-search {
  flex: 1;
  max-width: 520px;
  display: flex;
  position: relative;
  border: 1px solid var(--wiki-border);
  border-radius: 2px;
  overflow: hidden;
  background: var(--wiki-content);
}
.header-search input {
  flex: 1;
  border: none;
  padding: 8px 12px;
  font-size: 0.9rem;
  background: transparent;
  min-width: 0;
}
.header-search input:focus { outline: none; }
.header-search input::placeholder { color: #72777d; }
.header-search button {
  border: none;
  border-left: 1px solid var(--wiki-border);
  background: #f8f9fa;
  padding: 0 14px;
  color: var(--text);
  cursor: pointer;
  transition: background .15s;
}
.header-search button:hover { background: #eaecf0; }

/* Action links */
.header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.header-action {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  font-size: 0.85rem;
  color: var(--wiki-link) !important;
  text-decoration: none !important;
  border-radius: 2px;
  white-space: nowrap;
}
.header-action:hover { background: #eaecf0; text-decoration: none !important; }
.header-action i { font-size: 1rem; }
.header-action--cta {
  background: var(--primary);
  color: #fff !important;
  font-weight: 600;
  margin-left: 4px;
}
.header-action--cta:hover { background: var(--primary-hover); color: #fff !important; }

.header-menu-btn {
  border: 1px solid var(--wiki-border);
  background: var(--wiki-content);
  width: 40px; height: 40px;
  border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  color: var(--text);
  cursor: pointer;
  flex-shrink: 0;
}
.header-menu-btn:hover { background: #eaecf0; }

/* Tab bar */
.header-tabs {
  background: #f8f9fa;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.header-tabs::-webkit-scrollbar { display: none; }
.header-tabs-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0;
  min-width: max-content;
}
.header-tabs-list li { flex-shrink: 0; }
.header-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--wiki-link) !important;
  text-decoration: none !important;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: background .12s, border-color .12s;
}
.header-tab:hover {
  background: rgba(0,0,0,.04);
  text-decoration: none !important;
}
.header-tab.active {
  color: var(--text) !important;
  font-weight: 600;
  border-bottom-color: var(--primary);
  background: var(--wiki-content);
}
.header-tab i { font-size: 0.9rem; opacity: .75; }

/* Mobile offcanvas */
.header-offcanvas { border-left: 1px solid var(--wiki-border-light); }
.header-mobile-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}
.header-mobile-nav li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 8px;
  color: var(--wiki-link);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--wiki-border-light);
  text-decoration: none;
}
.header-mobile-nav li a:hover { background: #f8f9fa; }
.header-mobile-nav li a i { width: 20px; color: var(--text-muted); }
.header-mobile-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 16px 0 8px;
}

/* Legacy aliases */
.navbar-brand, .logo-mark, .logo-text { /* kept for footer */ }
.logo-text strong { color: var(--primary); }

/* ── Wiki page layout ────────────────────────── */
.wiki-page { padding: 1rem 0 2.5rem; }

.wiki-content-box,
.wiki-portal-box {
  background: var(--wiki-content);
  border: 1px solid var(--wiki-border-light);
  border-radius: 2px;
  padding: 1.25rem 1.5rem;
}

.wiki-breadcrumb { margin-bottom: 0.75rem; }
.breadcrumb-custom { font-size: 0.8rem; margin: 0; }
.breadcrumb-custom .breadcrumb-item a { color: var(--wiki-link); }
.breadcrumb-custom .breadcrumb-item.active { color: var(--text-muted); }
.breadcrumb-custom .breadcrumb-item + .breadcrumb-item::before { content: "›"; color: var(--text-muted); }

/* ── Portal (main page) ──────────────────────── */
.wiki-portal-header {
  background: var(--wiki-content);
  border: 1px solid var(--wiki-border-light);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}
.wiki-portal-title {
  font-family: var(--serif);
  font-size: 1.75rem;
  font-weight: 400;
  border-bottom: 1px solid var(--wiki-border-light);
  padding-bottom: 0.35rem;
  margin-bottom: 0.75rem;
}
.wiki-portal-desc { color: var(--text-muted); margin-bottom: 1rem; max-width: 42em; }
.wiki-portal-search { max-width: 560px; margin-bottom: 0.75rem; }
.wiki-portal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
}
.wiki-portal-links a { color: var(--wiki-link); }
.wiki-portal-links i { margin-right: 4px; }

.wiki-portal-columns { margin-bottom: 0.5rem; }
.wiki-portal-box-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  border-bottom: 1px solid var(--wiki-border-light);
  padding-bottom: 0.35rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}
.wiki-portal-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.wiki-portal-list li {
  padding: 0.35rem 0;
  border-bottom: 1px dotted var(--wiki-border-light);
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
}
.wiki-portal-list li:last-child { border-bottom: none; }
.wiki-portal-date, .wiki-portal-views {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.wiki-category-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}
.wiki-category-link {
  font-size: 0.9rem;
  color: var(--wiki-link);
  white-space: nowrap;
}
.wiki-category-link i { margin-right: 4px; color: var(--text-muted); }
.wiki-category-count { color: var(--text-muted); font-size: 0.85em; }

/* ── Article list rows ───────────────────────── */
.wiki-list-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--wiki-border-light);
}
.wiki-list-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}
.wiki-sort-form .form-select { min-width: 160px; font-size: 0.85rem; }

.wiki-list { display: flex; flex-direction: column; }

.wiki-list-item {
  display: flex;
  gap: 16px;
  padding: 1rem 0;
  border-bottom: 1px solid var(--wiki-border-light);
  align-items: flex-start;
}
.wiki-list-item:last-child { border-bottom: none; }

.wiki-list-main { flex: 1; min-width: 0; }
.wiki-list-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  line-height: 1.3;
}
.wiki-list-title a { color: var(--wiki-link); text-decoration: none; }
.wiki-list-title a:hover { text-decoration: underline; }

.wiki-list-excerpt {
  font-size: 0.9rem;
  color: var(--text);
  margin: 0 0 0.5rem;
  line-height: 1.55;
}
.wiki-list-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
}
.wiki-meta-link { color: var(--wiki-link); }
.wiki-meta-sep { margin: 0 4px; color: var(--wiki-border); }

.wiki-list-tags { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 4px; }
.wiki-tag {
  display: inline-block;
  font-size: 0.72rem;
  padding: 1px 8px;
  background: #eef0fb;
  border: 1px solid #d5d9f0;
  border-radius: 2px;
  color: var(--primary);
  text-decoration: none;
}
.wiki-tag:hover { background: #e0e4f8; text-decoration: none; }

.wiki-list-thumb {
  flex-shrink: 0;
  width: 100px;
  height: 70px;
  overflow: hidden;
  border: 1px solid var(--wiki-border-light);
  border-radius: 2px;
}
.wiki-list-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ── Article page ────────────────────────────── */
.wiki-article-header { margin-bottom: 1rem; }
.wiki-article-title {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 400;
  line-height: 1.25;
  border-bottom: 1px solid var(--wiki-border-light);
  padding-bottom: 0.35rem;
  margin-bottom: 0.75rem;
}
.wiki-article-lead {
  font-size: 1rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0;
}

/* Infobox (Wikipedia-style) */
.infobox {
  border: 1px solid var(--wiki-border);
  background: var(--infobox-bg);
  font-size: 0.85rem;
  width: 100%;
  border-radius: 2px;
  overflow: hidden;
}
.infobox-header {
  background: var(--infobox-header);
  text-align: center;
  font-weight: 700;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--wiki-border);
}
.infobox-body { padding: 0.5rem; }
.infobox-image { text-align: center; margin-bottom: 0.5rem; }
.infobox-image img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--wiki-border-light);
}
.infobox-table { width: 100%; border-collapse: collapse; }
.infobox-table th,
.infobox-table td {
  padding: 0.35rem 0.5rem;
  vertical-align: top;
  border-bottom: 1px dotted var(--wiki-border-light);
  text-align: left;
}
.infobox-table th {
  width: 38%;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.infobox-table td { font-size: 0.85rem; }
.infobox-tags { padding: 0.5rem; border-top: 1px solid var(--wiki-border-light); }
.infobox-tags-label { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); margin-bottom: 4px; }

/* TOC */
.wiki-toc {
  background: var(--wiki-content);
  border: 1px solid var(--wiki-border);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  display: inline-block;
  min-width: 220px;
  max-width: 100%;
  font-size: 0.875rem;
}
.wiki-toc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  font-family: var(--serif);
}
.wiki-toc-toggle { font-size: 0.8rem; padding: 0; color: var(--wiki-link); }
.wiki-toc-list {
  margin: 0;
  padding-left: 1.25rem;
  columns: 1;
}
@media (min-width: 600px) {
  .wiki-toc-list { columns: 2; column-gap: 1.5rem; }
}
.wiki-toc-list li { break-inside: avoid; margin-bottom: 2px; }
.wiki-toc-list a.active { font-weight: 700; color: var(--text); }
.wiki-toc-sub { padding-left: 1rem; list-style-type: circle; }

/* Article body — serif like Wikipedia */
.wiki-article-body,
.article-body {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
}
.wiki-article-body h2,
.article-body h2 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
  border-bottom: 1px solid var(--wiki-border-light);
  padding-bottom: 0.25rem;
  margin: 1.75rem 0 0.75rem;
}
.wiki-article-body h3,
.article-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 1.25rem 0 0.5rem;
}
.wiki-article-body p,
.article-body p { margin-bottom: 0.85rem; }
.wiki-article-body a,
.article-body a { color: var(--wiki-link); }
.wiki-article-body blockquote,
.article-body blockquote {
  border-left: 3px solid var(--wiki-border);
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  color: var(--text-muted);
  font-style: italic;
}
.wiki-article-body pre,
.article-body pre {
  background: #f8f9fa;
  border: 1px solid var(--wiki-border-light);
  padding: 12px;
  overflow-x: auto;
  font-family: monospace;
  font-size: 0.85rem;
}
.wiki-article-body code,
.article-body code {
  background: #f8f9fa;
  border: 1px solid var(--wiki-border-light);
  padding: 1px 4px;
  font-size: 0.88em;
  font-family: monospace;
}
.wiki-article-body pre code,
.article-body pre code { background: none; border: none; padding: 0; }
.wiki-article-body img,
.article-body img { max-width: 100%; height: auto; border: 1px solid var(--wiki-border-light); }
.wiki-article-body table,
.article-body table { border-collapse: collapse; margin: 1rem 0; font-size: 0.9rem; width: 100%; }
.wiki-article-body th, .wiki-article-body td,
.article-body th, .article-body td { border: 1px solid var(--wiki-border); padding: 6px 10px; }
.wiki-article-body th, .article-body th { background: #eaecf0; font-weight: 600; }

.wiki-article-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--wiki-border-light);
  font-size: 0.85rem;
}
.wiki-share { margin-bottom: 0.75rem; }
.wiki-share-label { font-weight: 600; margin-right: 8px; }
.wiki-share-btn {
  display: inline-block;
  padding: 2px 10px;
  margin: 2px;
  border: 1px solid var(--wiki-border);
  background: var(--wiki-content);
  border-radius: 2px;
  font-size: 0.8rem;
  color: var(--wiki-link);
  cursor: pointer;
}
.wiki-share-btn:hover { background: #eaecf0; text-decoration: none; }
.wiki-last-modified { color: var(--text-muted); font-size: 0.8rem; margin: 0; }

.wiki-see-also {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  background: var(--wiki-content);
  border: 1px solid var(--wiki-border-light);
}
.wiki-see-also-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.wiki-see-also-list {
  margin: 0;
  padding-left: 1.5rem;
}
.wiki-see-also-list li { margin-bottom: 0.35rem; font-size: 0.9rem; }
.wiki-see-also-cat { color: var(--text-muted); font-size: 0.85em; }

/* Sidebar widgets */
.wiki-sidebar { display: flex; flex-direction: column; gap: 12px; }
.sticky-sidebar { position: sticky; top: 100px; }

.wiki-tools {
  background: var(--wiki-content);
  border: 1px solid var(--wiki-border-light);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
}
.wiki-tools-title {
  font-weight: 700;
  border-bottom: 1px solid var(--wiki-border-light);
  padding-bottom: 0.35rem;
  margin-bottom: 0.5rem;
}
.wiki-tools-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.wiki-tools-list li { padding: 0.2rem 0; }
.wiki-tools-list a { color: var(--wiki-link); font-size: 0.85rem; }
.wiki-tools-list i { width: 18px; margin-right: 4px; color: var(--text-muted); }

.wiki-sidebar-box {
  background: var(--wiki-content);
  border: 1px solid var(--wiki-border-light);
  padding: 0.75rem 1rem;
  font-size: 0.85rem;
}
.wiki-sidebar-title {
  font-weight: 700;
  border-bottom: 1px solid var(--wiki-border-light);
  padding-bottom: 0.35rem;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}
.wiki-sidebar-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.85rem;
}
.wiki-sidebar-list li { margin-bottom: 0.3rem; }
.wiki-sidebar-list--plain { list-style: none; padding-left: 0; }
.wiki-sidebar-list--plain li { margin-bottom: 0.25rem; }
.wiki-sidebar-list--plain a i { margin-right: 4px; color: var(--text-muted); }

.wiki-recent-list { list-style: none; padding: 0; margin: 0; }
.wiki-recent-list li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 0.25rem 0;
  border-bottom: 1px dotted var(--wiki-border-light);
  font-size: 0.85rem;
}
.wiki-recent-date { color: var(--text-muted); font-size: 0.75rem; white-space: nowrap; }

.wiki-sidebar-promo { background: #eef0fb; border-color: #d5d9f0; }
.wiki-promo-link {
  display: block;
  padding: 0.35rem 0;
  font-size: 0.85rem;
  color: var(--wiki-link);
  border-bottom: 1px dotted var(--wiki-border-light);
}
.wiki-promo-link:last-of-type { border-bottom: none; }

.wiki-badge {
  display: inline-block;
  font-size: 0.8rem;
  padding: 2px 8px;
  background: #eaecf0;
  border: 1px solid var(--wiki-border-light);
  border-radius: 2px;
  color: var(--text-muted);
}
.wiki-category-header { margin-bottom: 1.25rem; }
.wiki-category-icon {
  width: 48px; height: 48px;
  background: #eaecf0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  border-radius: 2px;
  flex-shrink: 0;
}
.wiki-subcategories { margin-bottom: 1.5rem; }

/* Inline promo / course */
.inline-promo-block {
  border: 1px solid var(--wiki-border-light);
  border-left: 3px solid var(--primary);
  padding: 1rem;
  background: #f8f9fa;
}
.inline-promo-title { font-weight: 700; font-size: 1rem; }
.old-price { text-decoration: line-through; color: var(--text-muted); }
.current-price { font-weight: 700; color: var(--primary); }

/* Footer */
.site-footer { background: var(--text); margin-top: 0; }
.footer-top { border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-desc { color: #a2a9b1; font-size: 0.875rem; }
.footer-heading { color: #fff; font-weight: 600; font-size: 0.875rem; margin-bottom: 12px; }
.footer-links li { margin-bottom: 6px; }
.footer-links a { color: #a2a9b1; font-size: 0.875rem; }
.footer-links a:hover { color: #fff; }
.footer-course-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  padding: 8px 12px;
  color: #cbd5e1;
  font-size: 0.875rem;
  border-radius: 2px;
}
.footer-course-card:hover { color: #fff; text-decoration: none; }
.footer-more-link { color: #93aafd; font-size: 0.875rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); }
.footer-copy { color: #72777d; font-size: 0.8rem; }
.footer-copy a { color: #93aafd; }
.logo-text--light { color: #fff; font-size: 1.15rem; }
.logo-text--light strong { color: #93aafd; }

.pagination .page-link { color: var(--wiki-link); border-color: var(--wiki-border-light); font-size: 0.85rem; }
.pagination .page-item.active .page-link { background: var(--primary); border-color: var(--primary); }

#reading-progress {
  position: fixed; top: 0; left: 0; height: 2px;
  background: var(--primary); z-index: 9999; width: 0;
}

/* ─── Vote block ──────────────────────────────────── */
.wiki-vote {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 1.5rem 0 1rem;
  padding: 14px 18px;
  background: #f8f9fa;
  border: 1px solid var(--wiki-border);
  border-radius: 6px;
}
.wiki-vote-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--heading-color);
  margin-right: 4px;
}
.wiki-vote-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 14px;
  border: 1px solid var(--wiki-border);
  border-radius: 20px;
  background: var(--wiki-content);
  color: var(--text-muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all .15s;
}
.wiki-vote-btn:hover { border-color: var(--primary); color: var(--primary); background: #eef2fb; }
.wiki-vote-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.wiki-vote-count {
  font-weight: 700;
  font-size: 0.78rem;
  min-width: 14px;
}
.wiki-vote-report-btn {
  margin-left: auto;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}
.wiki-vote-report-btn:hover { color: #c0392b; background: #fee2e2; }

/* ─── Prev / Next ─────────────────────────────────── */
.wiki-prev-next {
  display: flex;
  gap: 1px;
  margin-top: 1.5rem;
  border: 1px solid var(--wiki-border);
  border-radius: 6px;
  overflow: hidden;
}
.wiki-prev-next-item {
  flex: 1;
  padding: 12px 16px;
  background: var(--wiki-content);
  min-width: 0;
}
.wiki-prev-next-prev { border-right: 1px solid var(--wiki-border); text-align: left; }
.wiki-prev-next-next { text-align: right; }
.wiki-prev-next-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 4px;
}
.wiki-prev-next-link {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--wiki-link);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.wiki-prev-next-link:hover { text-decoration: underline; }
@media (max-width: 576px) {
  .wiki-prev-next { flex-direction: column; }
  .wiki-prev-next-prev { border-right: none; border-bottom: 1px solid var(--wiki-border); }
  .wiki-prev-next-next { text-align: left; }
}

/* ─── Article of the day ──────────────────────────── */
.wiki-aod {
  background: linear-gradient(135deg, #eef2fb 0%, #f4f6fc 100%);
  border: 1px solid #c7d4ef;
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
}
.wiki-aod-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--primary);
  margin-bottom: 0.4rem;
}
.wiki-aod-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.wiki-aod-title a { color: var(--heading-color); text-decoration: none; }
.wiki-aod-title a:hover { color: var(--primary); text-decoration: underline; }
.wiki-aod-excerpt { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.wiki-aod-meta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.wiki-aod-meta i { margin-right: 3px; }

/* ─── Autocomplete dropdown ───────────────────────── */
.wiki-autocomplete {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: #fff;
  border: 1px solid var(--wiki-border);
  border-top: none;
  border-radius: 0 0 6px 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,.10);
  z-index: 500;
  max-height: 400px;
  overflow-y: auto;
}
.wiki-autocomplete-item {
  padding: 9px 14px;
  cursor: pointer;
  border-bottom: 1px solid #f0f1f3;
  transition: background .1s;
}
.wiki-autocomplete-item:last-child { border-bottom: none; }
.wiki-autocomplete-item:hover, .wiki-autocomplete-item.focused { background: #f4f6fc; }
.wiki-autocomplete-title { font-weight: 600; font-size: 0.88rem; color: var(--heading-color); }
.wiki-autocomplete-meta { font-size: 0.75rem; color: var(--text-muted); }

/* ─── History widget ──────────────────────────────── */
.wiki-history-clear {
  display: block;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  padding: 4px 0;
  margin-top: 4px;
}
.wiki-history-clear:hover { color: #c0392b; text-decoration: underline; }

/* ─── Tags cloud ──────────────────────────────────── */
.wiki-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 1rem 0;
}
.wiki-tag-cloud-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border: 1px solid var(--wiki-border);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--wiki-link);
  background: var(--wiki-content);
  text-decoration: none;
  transition: background .15s, border-color .15s;
}
.wiki-tag-cloud-item:hover {
  background: #eaecf0;
  border-color: #a2a9b1;
  color: var(--primary);
  text-decoration: none;
}
.wiki-tag-cloud-count {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: #f0f0f0;
  padding: 1px 5px;
  border-radius: 10px;
}

/* ─── Glossary ─────────────────────────────────────── */
.wiki-glossary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0.75rem 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--wiki-border);
}
.wiki-glossary-letter {
  display: inline-block;
  min-width: 32px;
  padding: 4px 6px;
  text-align: center;
  border: 1px solid var(--wiki-border);
  border-radius: 3px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--wiki-link);
  text-decoration: none;
  background: var(--wiki-content);
}
.wiki-glossary-letter:hover { background: #eaecf0; }
.wiki-glossary-group { margin-bottom: 2rem; scroll-margin-top: 90px; }
.wiki-glossary-group-title {
  font-size: 1.5rem;
  font-weight: 700;
  border-bottom: 2px solid var(--primary);
  padding-bottom: .25rem;
  margin-bottom: .75rem;
  color: var(--heading-color);
  display: inline-block;
  min-width: 36px;
}
.wiki-glossary-list {
  columns: 3;
  column-gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.wiki-glossary-list li {
  padding: 2px 0;
  font-size: 0.9rem;
  break-inside: avoid;
}
.wiki-glossary-list a { color: var(--wiki-link); text-decoration: none; }
.wiki-glossary-list a:hover { text-decoration: underline; }
.wiki-glossary-cat { color: var(--text-muted); font-size: 0.82rem; }
@media (max-width: 767px) {
  .wiki-glossary-list { columns: 2; }
}
@media (max-width: 480px) {
  .wiki-glossary-list { columns: 1; }
}

/* Print */
@media print {
  .site-header, .site-footer, .wiki-sidebar, .wiki-toc, .wiki-share, .wiki-tools { display: none !important; }
  .wiki-article-body { font-size: 12pt; }
  body { background: #fff; }
}

@media (max-width: 991px) {
  .sticky-sidebar { position: static; }
  .wiki-list-thumb { width: 72px; height: 52px; }
}
@media (max-width: 767px) {
  .header-top-inner { gap: 10px; padding: 8px 12px; }
  .header-search { max-width: none; }
  .header-logo-text { font-size: 1rem; }
}
@media (max-width: 576px) {
  .wiki-list-item { flex-direction: column-reverse; }
  .wiki-list-thumb { width: 100%; height: 120px; }
  .wiki-portal-header { padding: 1rem; }
}