/* ========================================
   ARTICLE PAGE RIGHT SIDEBAR
   ======================================== */

/* Hide sidebar boxes below two-column threshold — inline versions shown instead */
@media (max-width: 1199px) {
  .lt-article-container__sidebar {
    display: none;
  }
  .lt-article-sidebar-toc,
  .lt-article-sidebar-related {
    display: none;
  }
}

@media (min-width: 1200px) {
  .lt-article-container__sidebar {
    align-self: start;
    position: sticky;
    top: calc(var(--header-height) + 1.5rem);
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
    padding-top: 0;
    border-top: none;
  }

  /* TOC — no box, just left border line */
  .lt-article-sidebar-toc {
    background: transparent;
    border-radius: 0;
    padding: 0;
    --toc-progress: 0;
  }

  /* Related articles box */
  .lt-article-sidebar-related {
    background: rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid #191a1f;
    border-radius: 12px;
    padding: 20px 20px 24px;
  }

  /* TOC title */
  .lt-article-sidebar-toc__title {
    font-size: 0.75rem;
    font-weight: 700;
    font-family: 'Aeonik', sans-serif;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #0b0b0b;
    margin: 0 0 1.25rem 0;
    padding-left: 0;
  }

  /* TOC link list — no numbers, left border */
  .lt-article-sidebar-toc .lt-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    position: relative;
  }

  /* Static grey track */
  .lt-article-sidebar-toc .lt-toc-list::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: #D1D3DB;
  }

  /* Growing dark line — driven by --toc-progress */
  .lt-article-sidebar-toc .lt-toc-list::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 1px;
    height: calc(var(--toc-progress, 0) * 100%);
    background: #191a1f;
  }

  .lt-article-sidebar-toc .lt-toc-item {
    padding: 0;
    margin: 0;
  }

  .lt-article-sidebar-toc .lt-toc-list a {
    color: #909096 !important;
    font-size: 0.875rem;
    font-weight: 400;
    text-decoration: none !important;
    display: block;
    padding: 5px 4px 5px 1rem;
    line-height: 1.375;
    transition: color 0.2s ease;
  }

  .lt-article-sidebar-toc .lt-toc-list a:hover {
    color: #191a1f !important;
    text-decoration: none !important;
  }

  .lt-article-sidebar-toc .lt-toc-list a.lt-toc-active {
    color: #191a1f !important;
    font-weight: 500;
  }

  /* Reset margin from global .related-articles rule */
  .lt-article-sidebar-related .related-articles {
    margin-top: 0;
    margin-bottom: 0;
  }

  /* Related articles box heading — matches summary label */
  .lt-article-sidebar-related .related-articles h2,
  .lt-article-sidebar-related .related-articles h3 {
    font-family: 'Aeonik', sans-serif !important;
    font-size: 0.9rem !important;
    font-weight: 700 !important;
    color: #0b0b0b !important;
    letter-spacing: 0.02rem !important;
    text-transform: none !important;
    margin: 0 0 0.75rem 0 !important;
    line-height: 1 !important;
  }

  /* Related articles link list */
  .lt-article-sidebar-related .related-articles ul {
    padding-left: 0;
    margin: 0 !important;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .lt-article-sidebar-related .related-articles ul > li {
    margin-bottom: 0 !important;
  }

  .lt-article-sidebar-related .related-articles ul > li a {
    color: #191a1f !important;
    font-size: 0.875rem !important;
    font-weight: 400 !important;
    text-decoration: none !important;
    line-height: 1.375;
    display: block;
    padding: 3px 4px;
  }

  .lt-article-sidebar-related .related-articles ul > li a:hover {
    color: #0b0b0b !important;
    text-decoration: none !important;
  }

  .lt-article-sidebar-related .related-articles a .lt-related-link-text {
    position: relative !important;
    display: inline !important;
  }

  .lt-article-sidebar-related .related-articles a .lt-related-link-text::after {
    content: '' !important;
    display: block !important;
    position: absolute !important;
    left: 0 !important;
    width: 100% !important;
    bottom: -1px !important;
    height: 1px !important;
    background: #0b0b0b !important;
    transform: scaleX(0) !important;
    transform-origin: left !important;
    transition: transform 0.25s ease !important;
  }

  .lt-article-sidebar-related .related-articles a:hover .lt-related-link-text::after {
    transform: scaleX(1) !important;
  }
}

/* ========================================
   MOBILE INLINE TOC
   ======================================== */

/* Hide mobile versions at two-column threshold */
@media (min-width: 1200px) {
  .lt-article-toc-mobile,
  .lt-article-related-mobile {
    display: none;
  }
}

@media (max-width: 1199px) {
  .lt-article-toc-mobile {
    background: transparent;
    padding: 0 0 0 1rem;
    margin-bottom: 2rem;
    border-left: 1px solid #0b0b0b;
    --toc-progress: 0;
  }

  .lt-article-toc-mobile__title {
    font-size: 0.75rem;
    font-weight: 500;
    font-family: 'Aeonik', sans-serif;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #0b0b0b;
    margin: 0 0 0.75rem 0;
  }

  .lt-article-toc-mobile .lt-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
  }

  .lt-article-toc-mobile .lt-toc-list a {
    color: #0b0b0b !important;
    font-size: 0.875rem;
    font-weight: 400;
    text-decoration: none !important;
    display: block;
    padding: 5px 0;
    line-height: 1.375;
  }

  .lt-article-toc-mobile .lt-toc-list a:hover,
  .lt-article-toc-mobile .lt-toc-list a.lt-toc-active {
    color: #0b0b0b !important;
  }

  /* Mobile related articles — boxed to match desktop sidebar */
  .lt-article-related-mobile {
    margin-top: 2rem;
    margin-bottom: 2rem;
    background: rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid #191a1f;
    border-radius: 12px;
    padding: 20px 20px 24px;
  }

  .lt-article-related-mobile .related-articles {
    margin-top: 0;
    margin-bottom: 0;
  }

  .lt-article-related-mobile .related-articles h2,
  .lt-article-related-mobile .related-articles h3 {
    font-family: 'Aeonik', sans-serif !important;
    font-size: 0.9rem !important;
    font-weight: 700 !important;
    color: #0b0b0b !important;
    letter-spacing: 0.02rem !important;
    text-transform: none !important;
    margin: 0 0 0.75rem 0 !important;
    line-height: 1 !important;
  }

  .lt-article-related-mobile .related-articles ul > li a {
    font-size: 0.875rem !important;
    font-weight: 400 !important;
    color: #191a1f !important;
    text-decoration: none !important;
  }
}