:root {
  --bg: #0a0a0a;
  --surface: #0c0c0c;
  --surface-hi: #111113;
  --border: #333333;
  --border-hi: #444444;
  --text: #e4e4e7;
  --secondary: #a1a1aa;
  --muted: #71717a;
  --green: #00ff00;
  --cyan: #00d4ff;
  --yellow: #ffff00;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--secondary);
  font-family: "Courier New", Courier, monospace;
  font-size: 13px;
  line-height: 1.55;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.nav {
  border-bottom: 1px solid var(--border);
  background: #080808;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-search {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 260px;
  flex: 1;
}

.logo {
  color: var(--green);
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
}

.logo-mark {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12px;
}

.nav-links a,
.nav-button {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--cyan);
  padding: 5px 8px;
  font: inherit;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 11px;
  cursor: pointer;
}

.docs-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 20px;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 20px;
}

.docs-sidebar,
.docs-main {
  border: 1px solid var(--border);
  background: var(--surface);
}

.docs-sidebar {
  padding: 16px;
  align-self: start;
  position: sticky;
  top: 74px;
}

.docs-main {
  padding: 24px;
}

.tree-title,
.eyebrow {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 11px;
}

.tree {
  margin-top: 14px;
}

.tree-section {
  margin-top: 16px;
}

.tree-section strong {
  display: block;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 12px;
  margin-bottom: 6px;
}

.tree a {
  display: block;
  padding: 4px 0 4px 12px;
  border-left: 1px solid var(--border);
  color: var(--secondary);
}

.tree a.active,
.tree a:hover {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 11px;
}

.breadcrumb-separator { color: var(--border-hi); }

h1, h2, h3, p { margin: 0; }

h1 {
  color: var(--text);
  font-size: 30px;
  line-height: 1.18;
  letter-spacing: -0.8px;
  max-width: 820px;
  margin-top: 10px;
}

h2 {
  color: var(--text);
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 28px 0 10px;
}

h3 {
  color: var(--text);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.lede {
  margin-top: 14px;
  color: var(--secondary);
  max-width: 860px;
}

.card {
  border: 1px solid var(--border);
  background: #090909;
  padding: 16px;
  margin-top: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

code,
pre {
  color: var(--text);
  background: #111111;
}

code {
  padding: 2px 4px;
}

pre {
  border: 1px solid var(--border);
  padding: 14px;
  overflow: auto;
  white-space: pre-wrap;
}

ul {
  margin: 10px 0 0 18px;
  padding: 0;
}

li + li { margin-top: 4px; }

@media (max-width: 900px) {
  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .docs-shell {
    grid-template-columns: 1fr;
    padding: 16px 12px;
  }

  .docs-sidebar {
    position: static;
  }

  .docs-main {
    padding: 18px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 24px;
  }
}