:root {
  --bg: #0b0b0c;
  --panel: #17181b;
  --panel-2: #121316;
  --text: #d9d9dc;
  --heading: #f5f5f6;
  --muted: #a4a4ab;
  --accent: #e2e2e6;
  --border: rgba(245, 245, 246, 0.2);

  --font-sans: Inter, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.65;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

a:hover {
  opacity: 0.9;
}

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

.docs-layout {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 28px;
  display: grid;
  grid-template-columns: minmax(270px, 330px) minmax(0, 1fr);
  gap: 64px;
}

.docs-sidebar {
  min-height: 100vh;
  position: sticky;
  top: 0;
  padding: 88px 0 48px;
  display: flex;
  flex-direction: column;
}

.docs-brand {
  color: var(--heading);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.docs-subtitle {
  margin-top: 14px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.docs-nav {
  margin-top: 34px;
  display: grid;
  gap: 10px;
}

.docs-nav a {
  width: fit-content;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.docs-nav a::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--muted);
}

.docs-nav a:hover,
.docs-nav a:focus-visible {
  color: var(--heading);
}

.docs-nav a:hover::before,
.docs-nav a:focus-visible::before {
  background: var(--accent);
  width: 48px;
}

.docs-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.docs-actions a {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.docs-actions a:hover {
  background: rgba(245, 245, 246, 0.1);
}

.docs-version-switch {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.docs-version-switch label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.docs-version-switch select {
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--heading);
  border-radius: 6px;
  padding: 7px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.docs-content {
  padding: 88px 0 72px;
}

.docs-section {
  margin-bottom: 64px;
}

.docs-section h1 {
  color: var(--heading);
  font-size: clamp(1.8rem, 2.8vw, 2.25rem);
  margin-bottom: 16px;
}

.docs-section h2 {
  color: var(--heading);
  font-size: clamp(1.22rem, 2.2vw, 1.55rem);
  margin-bottom: 14px;
}

.docs-section h3 {
  color: var(--heading);
  font-size: 1rem;
  margin: 18px 0 12px;
}

.docs-section p {
  color: var(--muted);
  margin-bottom: 12px;
  max-width: 72ch;
}

.docs-section ul,
.docs-section ol {
  color: var(--muted);
  padding-left: 20px;
}

.docs-section li {
  margin: 8px 0;
}

.docs-section code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--heading);
  background: rgba(245, 245, 246, 0.08);
  border: 1px solid rgba(245, 245, 246, 0.2);
  padding: 1px 6px;
  border-radius: 6px;
}

.docs-footer {
  border-top: 1px solid rgba(245, 245, 246, 0.2);
  padding-top: 18px;
  color: #88888f;
  font-size: 0.85rem;
}

@media (max-width: 1024px) {
  .docs-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .docs-sidebar {
    position: static;
    min-height: auto;
    padding: 52px 0 24px;
  }

  .docs-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 12px;
  }

  .docs-content {
    padding: 12px 0 52px;
  }
}

@media (max-width: 720px) {
  .docs-layout {
    padding: 0 18px;
  }

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