/* Article reading layout, sharing the Lemonergy course design tokens. */
.wiki { width: min(1280px, calc(100% - 3rem)); margin: 0 auto 4rem; }
.wiki-breadcrumbs { display: flex; flex-wrap: wrap; gap: .45rem; align-items: baseline; padding: 1.2rem 0; color: var(--muted); font-size: .78rem; border-bottom: 1px solid var(--line); }
.wiki-breadcrumbs ol { display: flex; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; gap: .45rem; }
.wiki-breadcrumbs li + li:before { content: '/'; margin-right: .45rem; color: var(--line-strong); }
.wiki-breadcrumbs a { text-decoration: none; }
.wiki-breadcrumbs a:hover { color: var(--accent); text-decoration: underline; }
.wiki-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 3rem; align-items: start; padding-top: 2rem; }
.wiki-toc { display: block; position: sticky; top: 1.5rem; padding-right: 1.5rem; border-right: 1px solid var(--line); font-size: .8rem; }
.wiki-toc > p, .wiki-toc > h2 { margin: 0 0 .8rem; color: var(--muted); font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; font-weight: 700; }
.wiki-toc ul, .wiki-toc ol { padding: 0; list-style: none; margin: 0; }
.wiki-toc li { margin: 0 0 .35rem; }
.wiki-toc a { display: block; padding: .45rem 0; text-decoration: none; line-height: 1.5; }
.wiki-toc a:hover { color: var(--accent); }
.wiki-article { min-width: 0; max-width: 940px; }
.wiki-header { margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--line); }
.wiki-eyebrow { font-weight: 700; text-transform: uppercase; letter-spacing: .12em; font-size: .7rem; color: var(--accent); margin: 0 0 .75rem; }
.wiki h1 { font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -.045em; line-height: 1.12; margin: 0 0 1.2rem; overflow-wrap: anywhere; }
.wiki-lede { font-size: 1.08rem; line-height: 1.8; max-width: 80ch; margin: 1rem 0; }
.wiki a[data-term-preview] { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: .18em; text-decoration-color: var(--accent-edge); }
.wiki a[data-term-preview]:hover { text-decoration-color: currentColor; }
.wiki-facts { display: flex; flex-wrap: wrap; gap: .8rem 1.8rem; padding: 1rem 0 0; margin: 1rem 0 0; border-top: 1px solid var(--line); font-size: .85rem; }
.wiki-facts > div { min-width: 0; }
.wiki-facts dt { font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: .25rem; }
.wiki-facts dd { margin: 0; overflow-wrap: anywhere; }
.wiki-section { margin: 2.2rem 0; scroll-margin-top: 1.5rem; }
.wiki-section > h2 { font-size: 1.4rem; letter-spacing: -.02em; margin: 0 0 1rem; line-height: 1.3; }
.wiki-section > h3 { font-size: 1.1rem; margin: 1.2rem 0 .6rem; }
.wiki-section p { line-height: 1.75; }
.wiki-section a { color: var(--accent); }
.wiki-example { border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 5px; padding: 1.25rem; margin: 1rem 0; }
.wiki-example h3 { margin: 0 0 .5rem; font-size: 1rem; }
.wiki-example p:last-child { margin-bottom: 0; }
.wiki-note { color: var(--muted); font-size: .85rem; line-height: 1.7; border-left: 2px solid var(--line-strong); padding-left: 1rem; margin: 1rem 0; }
.wiki-blocks { border: 1px solid var(--line); border-radius: 6px; padding: 1.25rem; margin: 1rem 0; }
.wiki-blocks > h3 { font-size: 1rem; margin: 0 0 .7rem; }
.wiki-blocks > p { font-size: .9rem; }
.wiki-block-flow { display: flex; align-items: stretch; gap: 1.4rem; flex-wrap: wrap; padding: 1rem 0; list-style: none; margin: 0; }
.wiki-block-flow > * { flex: 1 1 130px; position: relative; border: 1px solid var(--accent-edge); border-radius: 4px; padding: .8rem; min-width: 0; font-size: .8rem; line-height: 1.5; }
.wiki-block-flow > * + *:before { content: '→'; position: absolute; left: -1.15rem; top: 50%; transform: translateY(-50%); color: var(--muted); }
.wiki-block-flow strong, .wiki-block-flow small { display: block; }
.wiki-block-flow small { color: var(--muted); margin-top: .3rem; line-height: 1.55; }
.wiki-block { border: 1px solid var(--line); border-radius: 4px; padding: 1rem; margin: .7rem 0; }
.wiki-block h3, .wiki-block h4 { margin: 0 0 .5rem; }
.wiki-citations { display: inline; font-size: .75em; vertical-align: super; white-space: nowrap; margin-left: .2rem; }
.wiki-citations a { text-decoration: none; padding: .1rem; }
.wiki-references { padding-left: 1.4rem; font-size: .88rem; }
.wiki-references li { margin: .9rem 0; padding-left: .35rem; line-height: 1.65; scroll-margin-top: 2rem; overflow-wrap: anywhere; }
.wiki-references li:target { outline: 2px solid var(--accent-edge); outline-offset: .4rem; }
.wiki-references small, .wiki-references .wiki-reference-scope { display: block; color: var(--muted); margin-top: .25rem; }
.wiki-related { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .6rem; list-style: none; padding: 0; }
.wiki-related a { display: block; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 5px; text-decoration: none; font-size: .88rem; height: 100%; }
.wiki-related a:hover { border-color: var(--accent-edge); background: var(--hover); }
.wiki-related dd { margin: .6rem 0 0; font-size: .88rem; line-height: 1.7; }
.wiki-related dt { font-weight: 700; }
.wiki-block details { margin-top: .65rem; }
.wiki-block summary { cursor: pointer; color: var(--accent); font-size: .78rem; }
.wiki-block ul { padding-left: 1.1rem; overflow-wrap: anywhere; }
.wiki-footer { border-top: 1px solid var(--line); padding-top: 1rem; margin-top: 2rem; font-size: .78rem; color: var(--muted); }
.wiki .visual-explanation { margin-top: 1rem; }
.wiki .visual-explanation h3 { margin: 1rem 0; }
.block-reference-diagram { margin: 1.25rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: 8px; overflow-x: auto; background: var(--surface); color: var(--accent); }
.block-reference-diagram svg { display: block; width: 100%; min-width: 720px; height: auto; }
.block-reference-diagram svg text { font-family: ui-monospace, Consolas, monospace; font-size: 17px; }
.block-reference-diagram figcaption { color: var(--muted); font-size: .76rem; line-height: 1.6; margin-top: .8rem; }
.block-reference-table { width: 100%; overflow-x: auto; border: 1px solid var(--line); border-radius: 7px; margin: 1rem 0; }
.block-reference-table:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.block-reference-table table { width: 100%; min-width: 620px; border-collapse: collapse; margin: 0; font-size: .84rem; text-align: left; }
.block-reference-table caption { text-align: left; font-weight: 700; padding: 1rem; background: var(--surface); }
.block-reference-table th, .block-reference-table td { padding: .8rem 1rem; vertical-align: top; border-bottom: 1px solid var(--line); line-height: 1.55; }
.block-reference-table thead { background: var(--hover); }
.block-reference-table th { font-weight: 600; }
.block-reference-table code { font-size: .76rem; overflow-wrap: anywhere; }
.block-reference-table tbody tr:last-child > * { border-bottom: 0; }
.block-reference-equations { padding: 1rem 1.3rem; background: var(--hover); border: 1px solid var(--line); border-radius: 6px; overflow-x: auto; }
.block-reference-index { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr)); gap: 1rem; }
.block-reference-index > li { border: 1px solid var(--line); border-radius: 7px; padding: 1.2rem; min-width: 0; }
.block-reference-index h3 { font-size: 1rem; line-height: 1.4; margin: 0 0 .65rem; }
.block-reference-index h3 a { text-decoration: none; }
.block-reference-index p { font-size: .87rem; }
.block-reference-index code { font-size: .74rem; color: var(--muted); overflow-wrap: anywhere; }
.wiki button:focus-visible, .wiki input:focus-visible, .wiki select:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
/* Shared by the article and glossary index. */
.term-preview { position: fixed; z-index: 100; width: 380px; max-width: calc(100vw - 24px); max-height: calc(100vh - 24px); overflow: auto; padding: 1.25rem; margin: 0; background: var(--surface, #fff); color: var(--text, #202938); border: 1px solid var(--line-strong, #c3cad5); border-top: 3px solid var(--accent, #2459a8); border-radius: 6px; box-shadow: 0 8px 30px rgba(32, 41, 56, .17); text-align: left; font-family: Arial, Helvetica, sans-serif; line-height: 1.6; }
.term-preview[hidden] { display: none; }
.term-preview-topic { color: var(--muted, #596579); font-size: .65rem; letter-spacing: .08em; text-transform: uppercase; margin: 0 1.8rem .65rem 0; }
.term-preview-title { font-size: 1.2rem; line-height: 1.3; letter-spacing: -.02em; padding: 0; margin: 0 1.2rem .75rem 0; }
.term-preview-abbr { display: inline-block; margin-left: .45rem; font-size: .8rem; font-weight: 400; color: var(--muted, #596579); }
.term-preview-definition { font-size: .88rem; margin: .65rem 0; }
.term-preview-formula { font-size: .85rem; padding: .6rem 0; border-top: 1px solid var(--line, #dce1e8); border-bottom: 1px solid var(--line, #dce1e8); overflow-wrap: anywhere; font-family: ui-monospace, Consolas, monospace; }
.term-preview-open { display: inline-block; color: var(--accent, #2459a8); text-decoration: none; font-weight: 700; font-size: .8rem; margin-top: .4rem; }
.term-preview-open:hover { text-decoration: underline; }
.term-preview-close { position: absolute; right: .6rem; top: .45rem; min-width: 32px; min-height: 32px; background: transparent; border: 0; border-radius: 3px; font-size: 1.4rem; cursor: pointer; color: var(--muted, #596579); }
.term-preview-close:hover { background: var(--hover, #f5f6f8); }
.term-preview-close:focus-visible { outline: 2px solid var(--accent, #2459a8); outline-offset: 2px; }
@media (max-width: 960px) { .wiki-layout { grid-template-columns: 170px minmax(0, 1fr); gap: 1.7rem; } }
@media (max-width: 720px) {
  .wiki { width: calc(100% - 1.5rem); }
  .wiki-layout { display: flex; flex-direction: column; gap: 1.4rem; padding-top: 1rem; }
  .wiki-toc { position: static; border-right: 0; border-bottom: 1px solid var(--line); padding: 0 0 1rem; width: 100%; }
  .wiki-toc ul, .wiki-toc ol { display: flex; flex-wrap: wrap; gap: .25rem .9rem; }
  .wiki-toc li { margin: 0; }
  .wiki-toc a { font-size: .75rem; padding: .35rem 0; }
  .wiki-article { width: 100%; }
  .wiki h1 { font-size: 2.05rem; }
  .wiki-lede { font-size: 1rem; }
  .wiki-section { margin: 1.6rem 0; }
  .wiki-example, .wiki-blocks { padding: 1rem; }
  .wiki-block-flow { flex-direction: column; gap: 1.4rem; }
  .wiki-block-flow > * { flex-basis: auto; }
  .wiki-block-flow > * + *:before { content: '↓'; left: 50%; top: -1.25rem; transform: translateX(-50%); }
  .wiki-related { grid-template-columns: 1fr; }
}
@media print {
  .wiki { width: 100%; margin: 0; }
  .wiki-layout { display: block; }
  .wiki-toc, .term-preview, .wiki .visual-controls { display: none !important; }
  .wiki-article { max-width: none; }
  .wiki-section { break-inside: avoid; }
}