:root {
  --bg: #f7f7f4;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: #ffffff;
  --text: #111111;
  --muted: #6b7280;
  --line: rgba(17, 17, 17, 0.08);
  --accent: #0f766e;
  --accent-soft: rgba(15, 118, 110, 0.1);
  --shadow: 0 12px 40px rgba(17, 17, 17, 0.07);
  --radius: 20px;
  --content-width: 860px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: linear-gradient(180deg, #fbfbfa 0%, #f3f4f0 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; }

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(18px);
  overflow-y: auto;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 28px;
}

.brand-badge {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, #111111 0%, #2b2b2b 100%);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-title {
  font-size: 1rem;
  font-weight: 700;
}

.brand-subtitle, .hero-copy, .markdown-body p, .markdown-body li {
  color: var(--muted);
}

.search-wrap {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 0.9rem;
  color: var(--muted);
}

.search-wrap input {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 0.95rem;
  outline: none;
}

.search-wrap input:focus {
  border-color: rgba(15, 118, 110, 0.45);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.nav-group + .nav-group { margin-top: 20px; }
.nav-group h3 {
  margin: 0 0 10px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.nav-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
}

.nav-group a {
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  color: #222;
  transition: 160ms ease;
}

.nav-group a:hover, .nav-group a.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.main {
  padding: 36px 28px 64px;
}

.hero,
.content-card {
  max-width: var(--content-width);
  margin: 0 auto;
}

.hero {
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.05;
}

.content-card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 24px 28px 40px;
}

.content-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.pill {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.84rem;
  margin-bottom: 10px;
}

#docTitle {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.markdown-body {
  line-height: 1.75;
  font-size: 1rem;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
  line-height: 1.2;
  margin-top: 1.8em;
  margin-bottom: 0.7em;
}

.markdown-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(17, 17, 17, 0.05);
  padding: 0.15em 0.38em;
  border-radius: 6px;
}

.markdown-body pre {
  overflow-x: auto;
  padding: 16px;
  border-radius: 14px;
  background: #0f172a;
  color: #e5eefb;
}

.markdown-body blockquote {
  border-left: 3px solid var(--accent);
  margin: 1em 0;
  padding: 0.2em 0 0.2em 1em;
  color: #374151;
  background: rgba(15, 118, 110, 0.05);
  border-radius: 0 12px 12px 0;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2em 0;
}

.markdown-body th,
.markdown-body td {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}

@media (max-width: 1024px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .main {
    padding: 24px 16px 48px;
  }

  .content-card {
    padding: 20px;
  }
}

.wikilink-missing {
  color: #b45309;
  background: rgba(245, 158, 11, 0.12);
  padding: 0.1em 0.35em;
  border-radius: 6px;
}