/* Wiki: Material 3 navigation drawer + article typography (tokens from /static/styles.css). */
:root { --beginner: #2e6b4a; --beginner-container: #c9efd6; --dev: #3a5f94; --dev-container: #d6e3ff; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --beginner: #9bd5b2; --beginner-container: #12402a; --dev: #a9c7ff; --dev-container: #1f3a62; }
}
:root[data-theme="dark"] { --beginner: #9bd5b2; --beginner-container: #12402a; --dev: #a9c7ff; --dev-container: #1f3a62; }

.wide-only { display: inline-flex; }
.narrow-only { display: none; }
.menu-btn { display: none; }

.wiki {
  display: grid; grid-template-columns: 300px minmax(0, 1fr);
  max-width: 1360px; margin: 0 auto; gap: 24px; padding: 0 24px 48px 12px;
}

/* ---------- navigation drawer ---------- */
.nav-drawer {
  position: sticky; top: 64px; align-self: start;
  height: calc(100vh - 64px); overflow-y: auto; padding: 4px 0 24px; scrollbar-width: thin;
}
.drawer-head { display: none; }
.search-bar {
  display: flex; align-items: center; gap: 12px; height: 48px; padding: 0 16px; margin: 0 0 12px;
  border-radius: 24px; background: var(--md-surface-high); color: var(--md-on-surface-variant);
}
.search-bar input {
  flex: 1; min-width: 0; border: none; background: transparent; outline: none;
  color: var(--md-on-surface); font: 400 16px/24px "Roboto", sans-serif;
}
.nav-drawer h3 {
  margin: 0; padding: 18px 16px 8px; font-size: 14px; font-weight: 500; letter-spacing: .1px;
  color: var(--md-on-surface-variant);
}
.nav-drawer ul { list-style: none; margin: 0; padding: 0; }
.nav-drawer a {
  position: relative; display: flex; align-items: center; gap: 12px;
  min-height: 48px; padding: 8px 16px; border-radius: 28px;
  color: var(--md-on-surface-variant); text-decoration: none; font-size: 14px; font-weight: 500; letter-spacing: .1px;
}
.nav-drawer a:hover { background: color-mix(in srgb, var(--md-on-surface) 8%, transparent); }
.nav-drawer a.active { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; display: inline-block; }
.dot.written { background: var(--beginner); }
.dot.planned { border: 1.5px solid var(--md-outline); }
.legend { display: flex; align-items: center; gap: 8px; padding: 20px 16px 0; margin: 0; }
.scrim { position: fixed; inset: 0; z-index: 39; background: var(--md-scrim); }

/* ---------- article ---------- */
.wiki-main { min-width: 0; padding-top: 4px; }
.wiki-article {
  background: var(--md-surface-low); border-radius: var(--md-shape-xl);
  padding: 40px 48px; font-size: 16px; line-height: 26px; letter-spacing: .2px;
}
.wiki-article > * { max-width: 760px; }
.wiki-article h1 { font-size: 36px; line-height: 44px; font-weight: 400; margin: 0 0 8px; letter-spacing: 0; }
.wiki-article h2 { font-size: 24px; line-height: 32px; font-weight: 400; margin: 48px 0 12px; letter-spacing: 0; }
.wiki-article h3 { font-size: 18px; line-height: 26px; font-weight: 500; margin: 28px 0 8px; }
.wiki-article p { margin: 0 0 14px; }
.wiki-article ul, .wiki-article ol { padding-left: 24px; margin: 0 0 14px; }
.wiki-article li { margin-bottom: 6px; }
.wiki-article a { color: var(--md-primary); text-underline-offset: 3px; }
.crumb {
  display: inline-block; margin: 0 0 12px !important; padding: 2px 12px; border-radius: 8px;
  background: var(--md-primary-container); color: var(--md-on-primary-container);
  font-size: 12px; line-height: 20px; font-weight: 500; letter-spacing: .5px;
}
.lede { font-size: 18px; line-height: 28px; color: var(--md-on-surface-variant); }

.tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 8px; }
.tag {
  display: inline-flex; align-items: center; min-height: 32px; padding: 4px 12px; border-radius: 8px;
  max-width: 100%; overflow-wrap: anywhere;
  border: 1px solid var(--md-outline-variant); font-size: 14px; font-weight: 500; color: var(--md-on-surface-variant);
}
.tag code { background: none !important; padding: 0 !important; }

.callout { border-radius: var(--md-shape-l); padding: 16px 20px; margin: 20px 0; }
.callout > :last-child { margin-bottom: 0; }
.callout ul { margin-bottom: 0; }
.callout.beginner { background: var(--beginner-container); }
.callout.beginner .callout-title { color: var(--beginner); }
.callout.dev { background: var(--dev-container); }
.callout.dev .callout-title { color: var(--dev); }
.callout.warn, .planned-note { background: var(--md-tertiary-container); color: var(--md-on-tertiary-container); }
.callout-title { display: flex; align-items: center; gap: 8px; font-weight: 500; margin-bottom: 6px; }
.callout.beginner .callout-title::before { content: "school"; font-family: "Material Symbols Outlined"; font-size: 20px; }
.callout.dev .callout-title::before { content: "terminal"; font-family: "Material Symbols Outlined"; font-size: 20px; }

.wiki-article code {
  font-family: var(--md-mono); font-size: .86em; padding: 1px 6px; border-radius: 6px;
  background: var(--md-surface-highest); overflow-wrap: anywhere;
}
.wiki-article pre {
  background: var(--md-surface-highest); padding: 16px 20px; border-radius: var(--md-shape-m);
  overflow-x: auto; font-size: 13px; line-height: 21px; margin: 0 0 16px;
}
.wiki-article pre code { background: none; padding: 0; font-size: inherit; overflow-wrap: normal; }
.formula {
  font-family: var(--md-mono); font-size: 14px; line-height: 22px; white-space: pre; overflow-x: auto;
  background: var(--md-surface-container); border-left: 3px solid var(--md-primary);
  border-radius: 0 var(--md-shape-s) var(--md-shape-s) 0; padding: 12px 16px; margin: 12px 0;
}

.wiki-article table {
  display: block; overflow-x: auto; border-collapse: collapse; margin: 16px 0 20px; font-size: 14px; line-height: 20px;
}
.wiki-article th code, .wiki-article td code { overflow-wrap: normal; }
.wiki-article th, .wiki-article td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--md-outline-variant); }
.wiki-article thead th { color: var(--md-on-surface-variant); font-weight: 500; font-size: 12px; letter-spacing: .5px; }
.wiki-article tbody th { font-weight: 500; }
.wiki-article td.num { font-family: var(--md-mono); text-align: right; white-space: nowrap; }

.steps { counter-reset: step; list-style: none; padding-left: 0 !important; }
.steps > li { counter-increment: step; position: relative; padding-left: 52px; margin-bottom: 20px; }
.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: -2px; width: 36px; height: 36px; border-radius: 12px;
  background: var(--md-primary-container); color: var(--md-on-primary-container);
  font-weight: 500; display: grid; place-items: center;
}

figure.diagram {
  margin: 24px 0; padding: 20px; text-align: center;
  background: var(--md-surface); border: 1px solid var(--md-outline-variant); border-radius: var(--md-shape-l);
}
figure.diagram svg { max-width: 100%; height: auto; }
figure.diagram figcaption { color: var(--md-on-surface-variant); font-size: 13px; line-height: 20px; margin-top: 10px; }
.svg-text { fill: var(--md-on-surface); font: 13px Roboto, sans-serif; }
.svg-muted { fill: var(--md-on-surface-variant); font: 11px Roboto, sans-serif; }
.svg-box { fill: var(--md-surface-container); stroke: var(--md-outline-variant); stroke-width: 1.5; }
.svg-accent { fill: var(--md-primary-container); stroke: var(--md-primary); stroke-width: 1.5; }
.svg-line { stroke: var(--md-outline); stroke-width: 1.5; fill: none; }
.svg-curve { stroke: var(--md-primary); stroke-width: 2.5; fill: none; }

.wiki-article details {
  border-radius: var(--md-shape-m); background: var(--md-surface-container); margin: 0 0 10px; padding: 0 16px;
}
.wiki-article details summary { cursor: pointer; padding: 12px 0; font-weight: 500; }
.wiki-article details[open] { padding-bottom: 4px; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
.pager a {
  display: flex; flex-direction: column; gap: 2px; padding: 14px 20px; border-radius: var(--md-shape-l);
  border: 1px solid var(--md-outline-variant); color: var(--md-on-surface); text-decoration: none; min-width: 0;
}
.pager a:hover { background: color-mix(in srgb, var(--md-on-surface) 5%, transparent); }
.pager a small { color: var(--md-on-surface-variant); font-size: 12px; }
.pager a span { color: var(--md-primary); font-weight: 500; }
.pager .pager-next { text-align: right; grid-column: 2; }

/* ---------- modal drawer on small screens ---------- */
@media (max-width: 960px) {
  .menu-btn { display: inline-grid; }
  .wiki { grid-template-columns: minmax(0, 1fr); padding: 0 12px 32px; }
  .nav-drawer {
    position: fixed; z-index: 40; top: 0; left: 0; bottom: 0; height: auto;
    width: min(320px, 86vw); padding: 12px 12px 24px; background: var(--md-surface-low);
    border-radius: 0 var(--md-shape-l) var(--md-shape-l) 0; box-shadow: var(--md-elev-2);
    transform: translateX(-105%); transition: transform .25s var(--md-ease);
  }
  body.nav-open .nav-drawer { transform: none; }
  body.nav-open { overflow: hidden; }
  .drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 0 4px 8px 16px; }
  .wiki-article { padding: 28px 24px; }
}
@media (max-width: 600px) {
  .wide-only { display: none; }
  .narrow-only { display: inline-grid; }
  .wiki { padding: 0 8px 24px; }
  .wiki-article { padding: 24px 16px; border-radius: var(--md-shape-l); font-size: 15px; line-height: 24px; }
  .wiki-article h1 { font-size: 28px; line-height: 36px; }
  .wiki-article h2 { font-size: 22px; line-height: 28px; margin-top: 36px; }
  .steps > li { padding-left: 46px; }
  figure.diagram { padding: 12px; margin-left: -4px; margin-right: -4px; }
  .pager { grid-template-columns: minmax(0, 1fr); }
  .pager .pager-next { grid-column: 1; }
}