:root {
  --bg-primary: #020617;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --bg-code: #1e293b;
  --border: #1e293b;
  --border-light: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #38bdf8;
  --accent-hover: #0ea5e9;
  --accent-dim: rgba(56, 189, 248, 0.1);
  --purple: #818cf8;
  --green: #34d399;
  --sidebar-width: 280px;
  --nav-height: 64px;
}

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

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.mono, code, pre, kbd { font-family: 'JetBrains Mono', monospace; }

/* Top Navigation */
.docs-topnav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(2, 6, 23, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.docs-topnav .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1.15rem;
}

.docs-topnav .logo span { color: var(--accent); }

.docs-topnav .nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.docs-topnav .nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.docs-topnav .nav-links a:hover { color: var(--text-primary); }

.docs-topnav .nav-links a.active {
  color: var(--accent);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}

/* Sidebar */
.docs-sidebar {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  width: var(--sidebar-width);
  height: calc(100vh - var(--nav-height));
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  z-index: 40;
  padding: 20px 0;
  transition: transform 0.3s ease;
}

.docs-sidebar::-webkit-scrollbar { width: 4px; }
.docs-sidebar::-webkit-scrollbar-track { background: transparent; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }

.sidebar-section { margin-bottom: 8px; }

.sidebar-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px 8px 28px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  user-select: none;
  transition: color 0.2s;
}

.sidebar-section-title:hover { color: var(--text-secondary); }

.sidebar-section-title .chevron {
  transition: transform 0.2s;
  font-size: 0.65rem;
}

.sidebar-section-title.expanded .chevron { transform: rotate(90deg); }

.sidebar-link {
  display: block;
  padding: 6px 20px 6px 28px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.15s;
  border-left: 2px solid transparent;
}

.sidebar-link:hover {
  color: var(--text-primary);
  background: rgba(30, 41, 59, 0.5);
}

.sidebar-link.active {
  color: var(--accent);
  background: var(--accent-dim);
  border-left-color: var(--accent);
}

.sidebar-child-link {
  padding-left: 44px;
  font-size: 0.8125rem;
}

.sidebar-children { display: none; }
.sidebar-children.expanded { display: block; }

/* Main Content */
.docs-main {
  margin-left: var(--sidebar-width);
  padding-top: var(--nav-height);
  min-height: 100vh;
}

.docs-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 40px 80px;
}

/* Typography */
.docs-content h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.docs-content h1 .gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.docs-content .subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin-bottom: 40px;
  line-height: 1.7;
}

.docs-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.01em;
}

.docs-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.docs-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.docs-content p {
  margin-bottom: 16px;
  color: var(--text-secondary);
}

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

.docs-content a:hover { text-decoration: underline; }

.docs-content strong { color: var(--text-primary); font-weight: 600; }

.docs-content ul, .docs-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
  color: var(--text-secondary);
}

.docs-content li { margin-bottom: 6px; }
.docs-content li code { color: var(--accent); }

/* Code Blocks */
.code-block {
  position: relative;
  margin: 16px 0 24px;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-light);
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  padding: 8px 16px;
}

.code-block-lang {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.code-block-header + pre {
  border-radius: 0 0 12px 12px;
  margin-top: 0;
}

pre {
  background: var(--bg-code);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 20px;
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.75;
  margin: 0;
  color: #e2e8f0;
}

pre::-webkit-scrollbar { height: 6px; }
pre::-webkit-scrollbar-track { background: transparent; }
pre::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

.copy-btn {
  background: var(--border-light);
  border: none;
  color: var(--text-muted);
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s;
}

.copy-btn:hover {
  background: #475569;
  color: var(--text-primary);
}

.copy-btn.copied {
  background: rgba(52, 211, 153, 0.2);
  color: var(--green);
}

/* Inline code */
.docs-content p code,
.docs-content li code,
.docs-content td code,
.docs-content h3 code,
.docs-content h4 code {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 0.85em;
  color: var(--accent);
}

/* Tables */
.docs-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 0.875rem;
}

.docs-table th {
  text-align: left;
  padding: 10px 16px;
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-light);
}

.docs-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.docs-table tr:hover td { background: rgba(30, 41, 59, 0.3); }

.docs-table td code {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.8125rem;
  color: var(--accent);
}

/* Info/Warning Boxes */
.callout {
  border-radius: 12px;
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.875rem;
}

.callout-info {
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: #7dd3fc;
}

.callout-warning {
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.2);
  color: #fcd34d;
}

.callout-tip {
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  color: #6ee7b7;
}

.callout strong { display: block; margin-bottom: 4px; }

/* Cards / Feature Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.card {
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 24px;
  transition: border-color 0.2s;
}

.card:hover { border-color: var(--accent); }

.card h3 {
  margin-top: 0;
  font-size: 1rem;
  margin-bottom: 8px;
}

.card p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

.card a { text-decoration: none; color: inherit; display: block; }

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.8125rem;
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--text-muted); }
.breadcrumb .current { color: var(--text-secondary); }

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 0;
}

.tab-btn {
  background: none;
  border: none;
  padding: 10px 20px;
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-family: 'JetBrains Mono', monospace;
  transition: all 0.2s;
}

.tab-btn:hover { color: var(--text-secondary); }

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Property List */
.prop-list { margin: 16px 0; }

.prop-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.prop-name {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 600;
}

.prop-type {
  font-family: 'JetBrains Mono', monospace;
  color: var(--purple);
  font-size: 0.75rem;
  margin-left: 8px;
}

.prop-required {
  font-size: 0.7rem;
  color: #f87171;
  font-weight: 700;
  text-transform: uppercase;
  margin-left: 8px;
}

.prop-optional {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.prop-desc {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  margin-top: 4px;
}

/* Footer */
.docs-footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

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

.docs-footer a:hover { text-decoration: underline; }

/* Mobile */
@media (max-width: 1024px) {
  .docs-sidebar {
    transform: translateX(-100%);
  }

  .docs-sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.5);
  }

  .docs-main {
    margin-left: 0;
  }

  .docs-content {
    padding: 32px 20px 64px;
  }

  .mobile-menu-btn {
    display: block;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 35;
  }

  .sidebar-overlay.open { display: block; }
}

@media (max-width: 640px) {
  .docs-content h1 { font-size: 1.75rem; }
  .docs-content h2 { font-size: 1.25rem; }
  .card-grid { grid-template-columns: 1fr; }
  .docs-table { font-size: 0.8125rem; }
  .docs-table th, .docs-table td { padding: 8px 12px; }
}

/* Syntax Highlighting (basic) */
.hl-keyword { color: #c084fc; }
.hl-string { color: #34d399; }
.hl-comment { color: #64748b; }
.hl-type { color: #fbbf24; }
.hl-func { color: #60a5fa; }
.hl-prop { color: #f8fafc; }
.hl-var { color: #fb923c; }
.hl-number { color: #38bdf8; }