:root {
  color-scheme: light dark;
  --bg: #fafafa;
  --panel: #ffffff;
  --text: #171717;
  --muted: #737373;
  --border: #e5e5e5;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --code: #f5f5f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --panel: #111111;
    --text: #f5f5f5;
    --muted: #a3a3a3;
    --border: #262626;
    --accent: #60a5fa;
    --accent-soft: #172554;
    --code: #1a1a1a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
  padding: 0 32px;
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--accent);
  color: white;
  font-weight: 800;
}
.brand small { display: block; color: var(--muted); font-size: 12px; }
.top-actions { display: flex; gap: 18px; font-size: 14px; }
.shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 800px) 220px;
  gap: 40px;
  max-width: 1360px;
  margin: 0 auto;
  padding: 36px 32px 56px;
}
.sidebar, .toc { position: sticky; top: 100px; align-self: start; }
.sidebar-title, .toc-title {
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.nav-link {
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
}
.nav-link.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}
.dashboard-card {
  display: block;
  margin-top: 24px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
}
.dashboard-card strong { display: block; color: var(--text); }
.dashboard-card span { display: block; color: var(--muted); font-size: 13px; }
.content {
  min-width: 0;
  padding-bottom: 48px;
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1 {
  margin: 0 0 12px;
  font-size: clamp(2.2rem, 5vw, 4.3rem);
  line-height: 1.05;
  letter-spacing: -0.05em;
}
h2 {
  margin-top: 42px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  font-size: 1.55rem;
}
h3 { margin-top: 28px; font-size: 1.15rem; }
p, li { color: color-mix(in srgb, var(--text) 88%, var(--muted)); }
.anchor {
  margin-left: 8px;
  color: var(--muted);
  opacity: 0;
  font-size: .8em;
}
h2:hover .anchor, h3:hover .anchor { opacity: 1; }
code {
  padding: 2px 5px;
  border-radius: 5px;
  background: var(--code);
  font-size: .92em;
}
pre {
  overflow-x: auto;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--code);
}
pre code { padding: 0; background: transparent; }
.table-wrap { overflow-x: auto; margin: 20px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 700; }
.toc a, .toc .muted {
  display: block;
  margin: 8px 0;
  color: var(--muted);
  font-size: 13px;
}
.toc-level-3 { padding-left: 12px; }
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 56px;
}
.pager-card {
  display: block;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  color: var(--text);
  font-weight: 700;
}
.pager-card span { display: block; color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; }
.pager-card.next { text-align: right; grid-column: 2; }
.footer {
  max-width: 1360px;
  margin: 0 auto;
  padding: 24px 32px 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 1100px) {
  .shell { grid-template-columns: 220px minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 760px) {
  .topbar { position: static; padding: 16px; height: auto; align-items: flex-start; }
  .top-actions { flex-direction: column; gap: 8px; }
  .shell { display: block; padding: 24px 18px; }
  .sidebar { position: static; margin-bottom: 28px; }
  .pager { grid-template-columns: 1fr; }
  .pager-card.next { grid-column: auto; text-align: left; }
}