/* Page-specific styles (content). Loaded after site.css so these rules win.
   Owned by the content designer agent. Use the site CSS variables; do not hardcode colors. */

/* ============================================================
   Wiki reading pages (layouts: wiki, article)
   Goal: a well-crafted encyclopedia article — comfortable measure,
   clear hierarchy, calm on-brand panels. Light + dark, responsive.
   ============================================================ */

/* ---- Reading column & vertical rhythm --------------------- */
/* Narrow the measure from the site default so body prose lands in the
   ~70-78 character comfort zone for Alegreya Sans at 1.125rem. */
.knowledge-page {
  max-width: 43rem;
}

.knowledge-page > p,
.knowledge-page > ul,
.knowledge-page > ol {
  margin-bottom: 1.2rem;
  line-height: 1.62;
}

.knowledge-page > ul,
.knowledge-page > ol {
  padding-left: 1.35rem;
}

.knowledge-page li + li {
  margin-top: 0.35rem;
}

.knowledge-page li {
  line-height: 1.6;
}

.knowledge-page li::marker {
  color: var(--muted);
}

.knowledge-page ol > li::marker {
  color: var(--accent);
  font-weight: 700;
}

/* ---- Article header block (eyebrow / h1 / lede) ----------- */
.knowledge-page .eyebrow {
  margin-bottom: 0.6rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.knowledge-page > h1 {
  margin-bottom: 0.85rem;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.lede {
  max-width: 38rem;
  margin: 0 auto;
  font-size: 1.24rem;
  line-height: 1.5;
  font-weight: 400;
  color: var(--muted);
  text-wrap: pretty;
}

/* Space after the header group before body prose / panel begins. */
.lede {
  margin-bottom: 2rem;
}

/* First body paragraph gets a touch more presence as the lead-in. */
.crosslink-panel + p,
.lede + p {
  margin-top: 0;
}

/* ---- Related Wiki Pages panel ----------------------------- */
/* Recolour off the off-brand lavender tint onto a calm, on-brand
   surface; soften corners; present links as an even pill cluster. */
.crosslink-panel {
  margin: 0 0 2.5rem;
  padding: 1.15rem 1.3rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--panel-soft);
}

.crosslink-panel h2 {
  margin: 0 0 0.85rem;
  font-family: "Alegreya Sans", "Segoe UI", system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
}

.crosslink-panel .meta {
  gap: 0.5rem;
}

.crosslink-panel .meta a {
  padding: 0.32rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--panel);
  font-size: 0.95rem;
  line-height: 1.3;
  transition: border-color 0.12s ease, color 0.12s ease, background 0.12s ease;
}

.crosslink-panel .meta a:hover,
.crosslink-panel .meta a:focus {
  border-color: var(--accent);
  color: var(--link-hover);
  background: var(--panel);
  text-decoration: none;
}

/* ---- Tag chip row (.meta directly under the header) ------- */
.knowledge-page > .meta {
  margin: 0 0 2rem;
}

.knowledge-page > .meta span {
  padding: 0.28rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ---- Body typography: headings, links, emphasis ----------- */
.knowledge-page h2 {
  border-color: var(--line-strong);
  letter-spacing: -0.005em;
}

.knowledge-page h3 {
  margin-top: 2.25rem;
  color: var(--heading);
}

.knowledge-page strong {
  color: var(--heading);
  font-weight: 700;
}

/* ---- Blockquotes ------------------------------------------ */
.knowledge-page blockquote {
  margin: 1.6rem 0;
  padding: 0.9rem 1.25rem;
  border-left: 3px solid var(--accent);
  border-radius: 0 0.4rem 0.4rem 0;
  background: var(--panel-soft);
  color: var(--text);
  font-style: italic;
}

.knowledge-page blockquote p {
  line-height: 1.55;
}

/* ---- Inline code & code blocks ---------------------------- */
.knowledge-page :not(pre) > code {
  padding: 0.1em 0.4em;
  border: 1px solid var(--line);
  border-radius: 0.3rem;
  background: var(--panel-soft);
  font-size: 0.9em;
}

.knowledge-page pre {
  margin: 1.5rem 0;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--panel-soft);
  overflow-x: auto;
  line-height: 1.5;
}

.knowledge-page pre code {
  padding: 0;
  border: 0;
  background: none;
  font-size: 0.92em;
}

/* ---- Tables ----------------------------------------------- */
.knowledge-page table {
  margin: 1.6rem 0;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  overflow: hidden;
  font-size: 0.98rem;
}

.knowledge-page th,
.knowledge-page td {
  padding: 0.6rem 0.8rem;
  border: 0;
  border-bottom: 1px solid var(--line);
}

.knowledge-page thead th {
  background: var(--panel-soft);
  font-family: "Raleway", "Segoe UI", system-ui, sans-serif;
  font-weight: 600;
  text-align: left;
}

.knowledge-page tbody tr:last-child td {
  border-bottom: 0;
}

.knowledge-page tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--panel-soft) 55%, transparent);
}

/* ---- "Explore the graph" embed (built by page-graph.js) ---- */
/* page-graph.js starts this element as [hidden] and removes the attribute
   once it has an ego-graph to show (an unconnected page stays hidden). It
   renders an interactive ego-graph on a <canvas>: the current page in the
   centre, its connections around it, click a neighbour to navigate. */
.graph-connections {
  margin-top: 3.25rem;
  padding: 1.35rem 1.5rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--panel-soft);
}

.graph-connections > h2 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  text-align: center;
}

.graph-embed-intro {
  margin: 0 auto 1rem;
  max-width: 34rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.45;
  text-align: center;
}

.graph-embed-intro strong {
  color: var(--heading);
  font-weight: 700;
}

.graph-embed {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: var(--panel);
  overflow: hidden;
}

.graph-embed-canvas {
  display: block;
  width: 100%;
  height: 420px;
  touch-action: manipulation;
}

.graph-open {
  margin: 1rem 0 0;
  text-align: center;
}

.graph-open a {
  font-weight: 600;
}

.graph-open-page {
  margin-left: 0.8rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* subtle secondary button to re-seed the home ego-graph */
.graph-reroll {
  min-height: 0;
  margin-right: 0.4rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: transparent;
  color: var(--link);
  font-weight: 600;
  cursor: pointer;
}

.graph-reroll:hover {
  border-color: var(--line-strong);
  background: var(--panel);
}

/* The home-page ego graph sits after the primary navigation blocks. */
.home-graph {
  margin-top: 3rem;
}

/* Accessible / crawlable fallback: the full grouped connection list. */
.graph-embed-fallback {
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.graph-embed-fallback > summary {
  cursor: pointer;
  color: var(--muted);
  font-family: "Alegreya Sans", "Segoe UI", system-ui, sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  list-style-position: inside;
}

.graph-embed-fallback > summary:hover {
  color: var(--heading);
}

.graph-connection-group {
  margin-top: 1.1rem;
}

.graph-connection-group h3 {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.graph-connection-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.4rem;
}

.graph-connection {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.4rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 0.4rem;
  background: var(--panel);
  font-size: 0.92rem;
  line-height: 1.3;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.graph-connection:hover,
.graph-connection:focus-within {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}

.graph-connection-main {
  appearance: none;
  border: 0;
  background: transparent;
  min-width: 0;
  color: var(--link);
  cursor: pointer;
  font: inherit;
  padding: 0;
  text-align: left;
  text-decoration: none;
}

.graph-connection-main:hover,
.graph-connection-main:focus {
  color: var(--link-hover);
  text-decoration: underline;
}

.graph-connection-page {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}

.graph-connection-page:hover,
.graph-connection-page:focus {
  color: var(--link-hover);
  text-decoration: underline;
}

/* ---- Responsive ------------------------------------------- */
@media (max-width: 600px) {
  .lede {
    font-size: 1.12rem;
  }

  .crosslink-panel,
  .graph-connections {
    padding-left: 1rem;
    padding-right: 1rem;
    border-radius: 0.6rem;
  }

  .crosslink-panel .meta {
    justify-content: center;
  }

  .graph-embed-canvas {
    height: 340px;
  }

  .graph-connection-list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1200px) {
  .knowledge-page {
    max-width: 44rem;
  }
}