:root {
  color-scheme: light;
  --bg: #f7f8f4;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #667085;
  --line: #d9ded6;
  --accent: #0f766e;
  --accent-2: #9a3412;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 320px;
  overflow: auto;
  padding: 28px 24px;
  border-right: 1px solid var(--line);
  background: #fbfcf8;
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-2);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.brand {
  display: block;
  color: var(--ink);
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.15;
}
.subtitle { color: var(--muted); margin: 12px 0 24px; }
.main-nav { display: grid; gap: 8px; margin: 0 0 24px; }
.main-nav a {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-weight: 650;
}
.main-nav a.active { border-color: var(--accent); color: var(--accent); }
.search label { display: block; margin-bottom: 6px; color: var(--muted); font-weight: 650; }
.search input, .search-input {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}
main { max-width: 1080px; margin-left: 320px; padding: 42px clamp(24px, 5vw, 72px); }
.page, .landing {
  max-width: 860px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: clamp(24px, 4vw, 44px);
  box-shadow: 0 12px 35px rgba(16, 24, 40, 0.06);
}
h1, h2, h3 { line-height: 1.18; margin: 1.4em 0 0.45em; }
h1:first-child, h2:first-child, h3:first-child { margin-top: 0; }
h1 { font-size: clamp(2rem, 4vw, 3.4rem); }
h2 { font-size: 1.65rem; border-top: 1px solid var(--line); padding-top: 1.1em; }
h3 { font-size: 1.2rem; }
p, li { max-width: 76ch; }
code { background: #eef2ec; border-radius: 5px; padding: 0.1em 0.35em; }
pre {
  overflow: auto;
  padding: 14px;
  border-radius: 8px;
  background: #101828;
  color: #f9fafb;
}
blockquote {
  margin: 1rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 4px solid var(--accent);
  color: #344054;
}
.wiki-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
  margin-top: 22px;
}
.card {
  display: grid;
  gap: 8px;
  padding: 16px;
  min-height: 130px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}
.card strong { font-size: 1.02rem; line-height: 1.25; }
.card small { color: var(--accent-2); font-weight: 750; text-transform: uppercase; }
.card span { color: var(--muted); font-size: 0.92rem; }
@media (max-width: 880px) {
  .sidebar { position: static; width: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  main { margin-left: 0; padding: 24px 16px; }
  .main-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}