.article-kicker { margin: 0 0 14px; color: var(--muted); font-size: .78rem; }
.rl-article .article-heading h1 { max-width: 620px; font-size: clamp(2rem, 5vw, 2.6rem); line-height: 1.15; }
.article-toc { padding: 24px; margin: 32px 0 40px; background: #f7f7f5; border: 1px solid var(--line); font-size: .9rem; }
.article-toc ol { margin: 12px 0 0; }
.article-toc li { margin-bottom: 5px; }
.article-toc a { text-decoration: none; }
.article-toc a:hover { text-decoration: underline; }
.memory-note { margin: 28px 0; padding: 18px 22px; border-left: 3px solid #46665c; background: #f6f8f6; }
.memory-note p:last-child { margin-bottom: 0; }
.equation { margin: 20px 0; padding: 18px; border: 1px solid var(--line); text-align: center; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9rem; line-height: 1.8; overflow-wrap: anywhere; }
.concept-map { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 28px 0 36px; }
.concept-map > div { border: 1px solid #dce3df; padding: 20px 16px; background: #fafbf9; }
.concept-number { color: #46665c; font: .75rem ui-monospace, monospace; }
.prose .concept-map h3 { margin: 8px 0; font-size: 1.15rem; }
.prose .concept-map p { margin: 0 0 6px; font-size: .88rem; }
.concept-map small { display: block; color: var(--muted); line-height: 1.5; }
.prose .reference { color: #656565; font-size: .82rem; }
.table-scroll { max-width: 100%; overflow-x: auto; margin: 28px 0; }
.table-scroll table { width: 100%; min-width: 610px; border-collapse: collapse; font-size: .82rem; line-height: 1.6; }
caption { text-align: left; padding-bottom: 12px; font-weight: 600; }
th, td { padding: 13px 12px; text-align: left; vertical-align: top; border-bottom: 1px solid #dedede; }
thead th { background: #f6f7f5; font-weight: 600; }
tbody th { width: 22%; font-weight: 600; }
.glossary { margin: 24px 0; }
.glossary dt { font-weight: 600; margin: 24px 0 6px; padding-top: 20px; border-top: 1px solid var(--line); }
.glossary dd { margin: 0; }
.worked-example { margin: 28px 0; padding: 20px 22px; border: 1px solid #dce3df; background: #fafbf9; }
.prose .worked-example h3 { margin-top: 0; }
.worked-example p:last-child { margin-bottom: 0; }
.table-scroll .compact-table { min-width: 0; table-layout: fixed; }
.compact-table th, .compact-table td { padding: 10px 8px; overflow-wrap: anywhere; }
.search-example { margin: 28px 0; padding: 20px 22px; border: 1px solid #dce3df; }
.search-example figcaption { font-size: .9rem; line-height: 1.65; }
.search-tree { margin: 24px 0 0; font-size: .85rem; text-align: center; }
.search-root { width: 190px; margin: auto; padding: 12px; border: 1px solid #c6ceca; background: #fafbf9; }
.search-root span, .search-branch span { display: block; font-size: .8rem; }
.search-tree svg { display: block; width: 100%; height: 48px; color: #899990; }
.search-branches { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.search-branch { padding: 12px 6px; border: 1px solid #c6ceca; }
.search-branch.selected { border: 2px solid #46665c; background: #f2f6f2; }
.prose .real-move { margin: 20px 0 0; }
@media (max-width: 560px) {
  .article-toc { padding: 20px; }
  .concept-map { grid-template-columns: 1fr; gap: 8px; }
  .concept-map > div { padding: 16px 20px; }
  .memory-note { padding: 16px 18px; }
  .equation { padding: 14px 10px; font-size: .8rem; }
  .worked-example, .search-example { padding: 16px 12px; }
  .search-example .table-scroll { margin: 20px -4px; max-width: calc(100% + 8px); }
  .compact-table th, .compact-table td { padding: 8px 4px; }
  .search-trace { font-size: .75rem; }
  .search-branches { gap: 8px; }
}
@media print {
  @page { margin: 18mm; }
  body { font-size: 10.5pt; color: #000; }
  .rl-article .prose { font-size: 10.5pt; line-height: 1.5; }
  .article-heading { padding-top: 0; }
  .article-toc { background: none; padding: 12px 18px; }
  h2, h3, dt, caption { break-after: avoid; }
  p, li, dd { orphans: 3; widows: 3; }
  .memory-note, .concept-map, .equation, tr { break-inside: avoid; }
  .concept-map { grid-template-columns: repeat(3, 1fr); }
  .table-scroll { overflow: visible; }
  .table-scroll table { min-width: 0; font-size: 8pt; table-layout: fixed; }
  th, td { padding: 7px; overflow-wrap: anywhere; }
  thead { display: table-header-group; }
  .prose a { color: #000; }
  .search-example { break-inside: avoid; }
  .worked-example { background: none; }
}