:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-hover: #1a1a26;
  --border: #2a2a3a;
  --text: #e0e0e8;
  --text-muted: #8888a0;
  --accent: #ff6b35;
  --accent-glow: rgba(255, 107, 53, 0.15);
  --code-bg: #1a1a26;
  --sidebar-w: 260px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* Top nav */
.docs-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 100;
  gap: 24px;
}
.docs-nav-brand {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
}
.docs-nav-title {
  color: var(--text-muted);
  font-size: 14px;
}

/* Layout */
.docs-layout {
  display: flex;
  margin-top: 56px;
  min-height: calc(100vh - 56px);
}

/* Sidebar */
.docs-sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  position: fixed;
  top: 56px;
  bottom: 0;
  overflow-y: auto;
}
.docs-sidebar a {
  display: block;
  padding: 8px 12px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  border-radius: 6px;
  transition: all 0.15s;
}
.docs-sidebar a:hover {
  color: var(--text);
  background: var(--bg-hover);
}
.docs-sidebar a.active {
  color: var(--accent);
  background: var(--accent-glow);
}
.docs-sidebar-heading {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 16px 12px 6px;
}

/* Content */
.docs-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 40px 48px;
  max-width: 840px;
}
.docs-content h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
}
.docs-content h2 {
  font-size: 22px;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.docs-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 8px;
}
.docs-content p {
  margin-bottom: 16px;
  color: var(--text);
}
.docs-content ul, .docs-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}
.docs-content li {
  margin-bottom: 6px;
}
.docs-content a {
  color: var(--accent);
  text-decoration: none;
}
.docs-content a:hover {
  text-decoration: underline;
}

/* Code */
.docs-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent);
}
.docs-content pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 20px;
  overflow-x: auto;
  margin-bottom: 20px;
}
.docs-content pre code {
  background: none;
  padding: 0;
  color: var(--text);
  font-size: 13px;
  line-height: 1.6;
}

/* Tables */
.docs-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}
.docs-content th, .docs-content td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.docs-content th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.docs-lead {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* Responsive */
@media (max-width: 768px) {
  .docs-sidebar { display: none; }
  .docs-content { margin-left: 0; padding: 24px 16px; }
}