/* =========================================================================
   ASTRACUBE WIKI — shared styles for the hub, category and entry pages.
   Mobile-first: base styles are for phones, with min-width breakpoints at
   768px (tablet) and 1024px (sidebar layout), matching the main site.
   ========================================================================= */
:root {
  color-scheme: dark;
  --ink: #0b0f1a;
  --ink-2: #121829;
  --ink-3: #1a2238;
  --line: #28314a;
  --steel: #9aa6b8;
  --text: #e8ecf3;
  --lamp: #f2a641;
  --aurora: #5fd3b5;
  --alarm: #ef5a5f;

  --display: "Chakra Petch", "Bahnschrift", "Arial Narrow", sans-serif;
  --body: "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;

  --bar-h: 64px;   /* desktop height of the sidebar header and the content top bar */
}

* { box-sizing: border-box; }
html { background: var(--ink); }
/* While the mobile category menu is open, the page behind it doesn't scroll */
html { scrollbar-gutter: stable; }
html.scroll-locked, html.scroll-locked body { overflow: hidden; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font: 400 1rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--aurora); text-underline-offset: 3px; }
a:hover { color: var(--text); }
:focus-visible { outline: 2px solid var(--aurora); outline-offset: 2px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.15; margin: 0; }

/* ---------- frame ---------- */
.wiki { min-height: 100vh; }

/* Mobile: the sidebar is a slim bar on top; its category list folds away. */
.side {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #070a12;
  border-bottom: 1px solid var(--line);
}
.side-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 52px;
  padding: 0 0 0 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.1em;
  color: var(--lamp);
  text-decoration: none;
}
.brand svg { width: 20px; height: 20px; flex: none; }
.brand small { color: var(--steel); font-weight: 600; letter-spacing: 0.14em; }
.menu-btn {
  align-self: stretch;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  background: none;
  border: 0;
  border-left: 1px solid var(--line);
  color: var(--steel);
  font: 600 0.8rem var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}
.menu-btn:hover { color: var(--text); }
.side-body { display: none; padding: 12px 16px 20px; border-top: 1px solid var(--line); }
.side.open .side-body { display: block; max-height: calc(100vh - 52px); overflow-y: auto; }

.side-label {
  display: block;
  margin: 18px 0 8px;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}
.side-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.side-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 4px 4px 0;
  font: 500 0.95rem var(--display);
  color: var(--steel);
  text-decoration: none;
}
.side-links a:hover { background: var(--ink-3); color: var(--text); }
.side-links a.active { background: rgba(95, 211, 181, 0.1); border-left-color: var(--aurora); color: var(--aurora); }
.side-links .ico { width: 16px; height: 16px; flex: none; }
.side-links .home-link { color: var(--lamp); }
.side-bottom { padding-top: 16px; }
.version {
  margin: 12px 10px 0;
  font: 0.68rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
}
.version span { display: block; margin-top: 4px; color: var(--aurora); letter-spacing: 0.04em; text-transform: none; font-size: 0.78rem; }

/* ---------- search ---------- */
.search { position: relative; }
.search input {
  width: 100%;
  padding: 10px 12px;
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
  font: 0.9rem var(--body);
}
.search input::placeholder { color: var(--steel); }
.search input:focus { outline: none; border-color: var(--aurora); }
.search-results {
  position: absolute;
  left: 0; right: 0; top: calc(100% + 4px);
  z-index: 60;
  max-height: 60vh;
  overflow-y: auto;
  margin: 0; padding: 4px;
  list-style: none;
  background: #070a12;
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5);
}
.search-results[hidden] { display: none; }
.search-results a { display: block; padding: 8px 10px; border-radius: 3px; color: var(--text); text-decoration: none; }
.search-results a:hover, .search-results a.hl { background: var(--ink-3); }
.search-results small { display: block; color: var(--steel); font-size: 0.78rem; }
.search-results .none { padding: 8px 10px; color: var(--steel); font-size: 0.85rem; }

/* ---------- main column ---------- */
/* ---------- content column: top bar + centred page ---------- */
.content { min-width: 0; }
.topbar {
  background: #0d121f;
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
}
.topbar .search { flex: 1 1 100%; }
.main { padding: 32px 16px 80px; max-width: 1040px; margin-inline: auto; }
.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--steel);
}
.crumbs a { color: var(--steel); text-decoration: none; }
.crumbs-wrap { display: flex; align-items: center; gap: 16px; min-width: 0; margin-left: -8px; }
.back {
  display: grid;
  place-items: center;
  flex: none;
  width: 32px;
  height: 32px;
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--steel);
}
.back svg { width: 18px; height: 18px; }
.back:hover { border-color: var(--aurora); color: var(--aurora); }
.crumbs a:hover { color: var(--text); }
.crumbs span[aria-hidden] { opacity: 0.5; }

.label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--aurora);
}
.page-head { display: grid; gap: 14px; padding-bottom: 28px; margin-bottom: 40px; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(1.9rem, 6vw, 2.6rem); letter-spacing: 0.02em; }
.lede { margin: 0; color: var(--steel); font-size: 1.08rem; line-height: 1.55; max-width: 68ch; }

/* ---------- hub: category cards ---------- */
.cards { display: grid; grid-template-columns: 1fr; gap: 16px; }
.card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  align-items: start;
  padding: 22px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s, background-color 0.15s;
}
.card:hover { border-color: var(--accent, var(--aurora)); background: #151c30; color: inherit; }
.card .ico { grid-row: span 2; width: 32px; height: 32px; color: var(--accent, var(--aurora)); }
.card h2, .card h3 { font-size: 1.15rem; color: var(--text); }
.card p { grid-column: 2; margin: 0; color: var(--steel); font-size: 0.92rem; line-height: 1.5; }
.card .count { position: absolute; top: 16px; right: 16px; font-family: var(--mono); font-size: 0.68rem; color: var(--steel); }
.card.entry { grid-template-columns: 1fr; gap: 6px; padding: 18px 20px; }
.card.entry p { grid-column: 1; }

.intro { display: grid; gap: 14px; margin-bottom: 28px; }
.intro p { margin: 0; color: var(--steel); max-width: 70ch; }

.group { margin-top: 56px; }
.group:first-of-type { margin-top: 0; }
.group > h2 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 18px;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
}
.group > p { margin: -8px 0 18px; color: var(--steel); font-size: 0.92rem; }

/* ---------- entry page ---------- */
.entry-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 36px; }
.infobox {
  align-self: start;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent, var(--aurora));
  border-radius: 4px;
  overflow: hidden;
}
.infobox h2 {
  padding: 12px 16px;
  font-size: 1rem;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--line);
}
.infobox dl { margin: 0; display: grid; grid-template-columns: auto 1fr; }
.infobox dt, .infobox dd { margin: 0; padding: 12px 16px; border-bottom: 1px solid rgba(40, 49, 74, 0.6); font-size: 0.9rem; }
.infobox dt { color: var(--steel); font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; padding-top: 14px; }
.infobox dd { color: var(--text); }
.infobox dl > :nth-last-child(-n + 2) { border-bottom: 0; }
.swatch { display: inline-block; width: 12px; height: 12px; margin-right: 6px; vertical-align: -1px; border: 1px solid rgba(255, 255, 255, 0.25); border-radius: 2px; }

.prose { display: grid; gap: 40px; min-width: 0; }
.prose section { display: grid; gap: 16px; }
.prose h2 { font-size: 1.3rem; letter-spacing: 0.02em; padding-bottom: 10px; border-bottom: 1px solid rgba(40, 49, 74, 0.6); }
.prose p { margin: 0; max-width: 70ch; }
.prose ul, .prose ol { margin: 0; padding-left: 1.3em; display: grid; gap: 10px; max-width: 70ch; }
.prose strong { color: var(--text); }
.note {
  padding: 12px 14px;
  background: rgba(242, 166, 65, 0.08);
  border-left: 3px solid var(--lamp);
  border-radius: 0 4px 4px 0;
  color: var(--text);
  font-size: 0.95rem;
}
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 4px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.prose th, .prose td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid rgba(40, 49, 74, 0.6); }
.prose th { background: var(--ink-2); color: var(--steel); font-family: var(--mono); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; }
.prose tr:last-child td { border-bottom: 0; }

.related { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-block;
  padding: 6px 12px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font-size: 0.85rem;
  text-decoration: none;
}
.chip:hover { border-color: var(--aurora); color: var(--aurora); }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 64px; padding-top: 28px; border-top: 1px solid var(--line); }
.pager a { display: grid; gap: 2px; padding: 12px 14px; background: var(--ink-2); border: 1px solid var(--line); border-radius: 4px; color: var(--text); text-decoration: none; }
.pager a:hover { border-color: var(--aurora); }
.pager small { font: 0.68rem var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--steel); }
.pager .next { text-align: right; grid-column: 2; }

.hub-note { margin-top: 40px; font-size: 0.9rem; color: var(--steel); }
.hub-note strong { color: var(--text); }

.missing { padding: 24px; background: var(--ink-2); border: 1px solid var(--line); border-radius: 4px; }

/* ---------- 768px: tablets ---------- */
@media (min-width: 768px) {
  .topbar-inner { padding: 10px 24px; flex-wrap: nowrap; }
  .topbar .search { flex: 0 1 320px; }
  .main { padding: 44px 32px 96px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .cards.entries { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .entry-layout { grid-template-columns: minmax(0, 1fr) 300px; align-items: start; }
  .infobox { grid-column: 2; grid-row: 1; position: sticky; top: 72px; }
  .prose { grid-column: 1; grid-row: 1; }
}

/* ---------- 1024px: fixed sidebar ---------- */
@media (min-width: 1024px) {
  .wiki { display: grid; grid-template-columns: 260px minmax(0, 1fr); }
  .side {
    height: 100vh;
    border-bottom: 0;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
  }
  /* Same height as the content top bar, so the two bottom borders line up */
  .side-top { height: var(--bar-h); min-height: 0; padding: 0 20px; border-bottom: 1px solid var(--line); }
  .menu-btn { display: none; }
  .side-body, .side.open .side-body { display: flex; flex-direction: column; flex: 1; max-height: none; overflow: visible; padding: 16px 20px 24px; border-top: 0; }
  .side-bottom { margin-top: auto; padding-top: 24px; }
  .topbar { position: sticky; top: 0; z-index: 40; height: var(--bar-h); }
  .topbar-inner { height: 100%; padding: 0 32px; }
  .main { padding: 56px 48px 112px; }
  .infobox { top: 84px; }
}