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

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-accent: #0070f3;
  --color-code-bg: #f5f5f5;
  --color-nav-bg: #fafafa;
  --color-nav-active: #0070f3;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, monospace;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.docs-layout {
  display: flex;
  min-height: 100vh;
}

.docs-nav {
  width: 240px;
  padding: 24px 16px;
  border-right: 1px solid var(--color-border);
  background: var(--color-nav-bg);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
}

.docs-nav-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  display: block;
  margin-bottom: 24px;
  padding: 0 8px;
}

.docs-nav-section {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  padding: 0 8px;
  margin: 16px 0 8px;
}

.docs-nav a {
  display: block;
  padding: 6px 8px;
  border-radius: 6px;
  color: var(--color-text);
  text-decoration: none;
  font-size: 14px;
  transition: background 0.15s;
}

.docs-nav a:hover { background: #f0f0f0; }
.docs-nav a.active { color: var(--color-nav-active); background: #eff6ff; font-weight: 500; }

.docs-content {
  flex: 1;
  max-width: 720px;
  padding: 48px 40px;
  margin: 0 auto;
}

h1 { font-size: 32px; font-weight: 700; margin-bottom: 16px; letter-spacing: -0.02em; }
h2 { font-size: 22px; font-weight: 600; margin: 40px 0 16px; letter-spacing: -0.01em; }
h3 { font-size: 16px; font-weight: 600; margin: 24px 0 8px; }

p { margin-bottom: 16px; color: var(--color-text); }

code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--color-code-bg);
  padding: 2px 6px;
  border-radius: 4px;
}

pre {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 16px 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin-bottom: 24px;
  font-size: 13px;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
  color: inherit;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  font-size: 14px;
}

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

th {
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-muted);
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.badge-green { background: #dcfce7; color: #166534; }
.badge-yellow { background: #fef9c3; color: #854d0e; }
.badge-red { background: #fee2e2; color: #991b1b; }
.badge-blue { background: #dbeafe; color: #1e40af; }
.badge-gray { background: #f3f4f6; color: #374151; }

.callout {
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 24px;
  font-size: 14px;
}

.callout-info { background: #eff6ff; border-left: 3px solid #3b82f6; }
.callout-warning { background: #fffbeb; border-left: 3px solid #f59e0b; }
.callout-tip { background: #f0fdf4; border-left: 3px solid #22c55e; }

.callout-title {
  font-weight: 600;
  margin-bottom: 4px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .docs-layout { flex-direction: column; }
  .docs-nav { width: 100%; height: auto; position: static; border-right: none; border-bottom: 1px solid var(--color-border); }
  .docs-content { padding: 24px 16px; }
  .two-col { grid-template-columns: 1fr; }
}