/* xrmverse website. Brand font: Sora (SIL OFL 1.1, self-hosted, see fonts/OFL-Sora.txt). Colors: the Indigo palette of
   the web admin (ui/src/shell/theme.ts) on a monochrome base. */

@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-display: swap;
  font-weight: 100 800;
  src: url(fonts/sora-latin-ext-wght-normal.woff2) format('woff2-variations');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF,
    U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Sora';
  font-style: normal;
  font-display: swap;
  font-weight: 100 800;
  src: url(fonts/sora-latin-wght-normal.woff2) format('woff2-variations');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #ffffff;
  --fg: #111114;
  --muted: #5b5b66;
  --line: #ececf1;
  --soft: #f6f6fb;
  --brand: #4f46e5;
  --brand-strong: #312e81;
  --link: #4338ca;
  --selected: #eef2ff;
  --code-bg: #f6f6fb;
  --button-bg: #111114;
  --button-fg: #ffffff;
  --font: 'Sora', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --mono: ui-monospace, 'SFMono-Regular', Menlo, Consolas, 'Liberation Mono', monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e12;
    --fg: #ededf2;
    --muted: #a0a0ad;
    --line: #26262e;
    --soft: #16161c;
    --brand: #818cf8;
    --brand-strong: #c7d2fe;
    --link: #a5b4fc;
    --selected: #1e1b4b;
    --code-bg: #17171d;
    --button-bg: #ffffff;
    --button-fg: #0e0e12;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* ---------- top navigation ---------- */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}
.brand { display: inline-flex; }
.brand img { height: 34px; width: auto; display: block; }
.topnav nav a {
  color: var(--fg);
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 999px;
}
.topnav nav a:hover { background: var(--soft); text-decoration: none; }
.topnav nav a[aria-current='page'] { background: var(--soft); }

/* ---------- home ---------- */
.hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 64px 24px 96px;
  max-width: 760px;
  margin: 0 auto;
}
.hero-symbol { width: 132px; height: 132px; margin-bottom: 28px; }
.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}
.lead { color: var(--muted); font-size: 1.125rem; margin: 0 0 32px; }
.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.button {
  display: inline-block;
  background: var(--button-bg);
  color: var(--button-fg);
  font-weight: 500;
  padding: 12px 26px;
  border-radius: 999px;
  border: 1px solid var(--button-bg);
}
.button:hover { text-decoration: none; opacity: 0.88; }
.button.is-pending { background: transparent; color: var(--muted); border-color: var(--line); cursor: default; }
.button.is-pending:hover { opacity: 1; }
.secondary { margin: 22px 0 0; font-size: 0.95rem; }
.secondary a { color: var(--fg); }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
  padding: 24px;
}
.footer p { max-width: 760px; margin: 0 auto; }

/* ---------- docs layout ---------- */
.docs-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 200px;
  gap: 48px;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 16px 32px 64px;
}
.sidebar, .toc {
  position: sticky;
  top: 16px;
  align-self: start;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  font-size: 0.875rem;
}
.sidebar ul, .toc ul { list-style: none; margin: 0; padding: 0; }
.sidebar li a, .side-home {
  display: block;
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 8px;
}
.sidebar li a:hover, .side-home:hover { color: var(--fg); background: var(--soft); text-decoration: none; }
.sidebar li a[aria-current='page'], .side-home.is-current {
  color: var(--brand-strong);
  background: var(--selected);
  font-weight: 500;
}
.side-group { margin-top: 18px; }
.side-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg);
  font-weight: 600;
  margin: 0 0 6px 10px;
}
.toc .side-title { margin-left: 0; }
.toc li a { display: block; color: var(--muted); padding: 3px 0; }
.toc li a:hover { color: var(--fg); text-decoration: none; }
.side-toggle { display: none; }

.content { min-width: 0; }
.edit { margin-top: 48px; font-size: 0.85rem; }
.edit a { color: var(--muted); }

/* ---------- markdown ---------- */
.markdown h1, .markdown h2, .markdown h3, .markdown h4 {
  line-height: 1.25;
  letter-spacing: -0.01em;
  scroll-margin-top: 16px;
}
.markdown h1 { font-size: 2.1rem; font-weight: 600; margin: 8px 0 20px; }
.markdown h2 { font-size: 1.45rem; font-weight: 600; margin: 48px 0 14px; }
.markdown h3 { font-size: 1.15rem; font-weight: 600; margin: 32px 0 10px; }
.markdown h4 { font-size: 1rem; font-weight: 600; margin: 24px 0 8px; }
.markdown .anchor { margin-left: 8px; color: var(--line); font-weight: 400; }
.markdown h2:hover .anchor, .markdown h3:hover .anchor, .markdown h4:hover .anchor { color: var(--muted); }
.markdown p, .markdown ul, .markdown ol { margin: 0 0 16px; }
.markdown li + li { margin-top: 4px; }
.markdown blockquote {
  margin: 0 0 16px;
  padding: 2px 18px;
  border-left: 3px solid var(--line);
  color: var(--muted);
}
.markdown hr { border: 0; border-top: 1px solid var(--line); margin: 32px 0; }
.markdown code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--code-bg);
  padding: 0.12em 0.38em;
  border-radius: 6px;
}
.markdown pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  overflow-x: auto;
  line-height: 1.5;
  margin: 0 0 20px;
}
.markdown pre code { background: none; padding: 0; font-size: 0.85rem; }
.markdown pre.mermaid { background: transparent; border: 0; text-align: center; font-family: var(--font); }
.table-wrap { overflow-x: auto; margin: 0 0 20px; }
.markdown table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
.markdown th, .markdown td { border-bottom: 1px solid var(--line); padding: 8px 12px; text-align: left; vertical-align: top; }
.markdown th { font-weight: 600; }
.markdown img { border-radius: 8px; }

/* docs index cards */
.card-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.markdown .card-list li + li { margin-top: 0; }
.card-list a {
  display: block;
  height: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  color: var(--fg);
}
.card-list a:hover { border-color: var(--brand); text-decoration: none; }
.card-list strong { display: block; font-weight: 600; margin-bottom: 4px; }
.card-list span { display: block; color: var(--muted); font-size: 0.85rem; line-height: 1.5; }

/* ---------- narrow windows ---------- */
@media (max-width: 1100px) {
  .docs-layout { grid-template-columns: 220px minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 760px) {
  .topnav { padding: 16px; }
  .brand img { height: 28px; }
  .docs-layout { grid-template-columns: minmax(0, 1fr); gap: 0; padding: 0 16px 48px; }
  .side-toggle { display: block; margin: 0 0 8px; }
  .side-toggle summary {
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--muted);
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    width: max-content;
  }
  .sidebar { display: none; position: static; max-height: none; margin-bottom: 16px; }
  body.side-open .sidebar { display: block; }
  .markdown h1 { font-size: 1.7rem; }
}