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

:root {
  --bg:           #07070f;
  --bg2:          #0d0d1a;
  --bg3:          #111120;
  --sidebar-bg:   #09090f;
  --card:         rgba(255,255,255,0.04);
  --card-border:  rgba(255,255,255,0.08);
  --text:         #e2e2ee;
  --text-muted:   #6a6a88;
  --text-soft:    #9999b5;
  --accent:       #7c5cfc;
  --accent2:      #4f9cff;
  --green:        #22d3a0;
  --orange:       #f59e0b;
  --red:          #f87171;
  --sidebar-w:    268px;
  --topbar-h:     56px;
  --font:         'Inter', -apple-system, sans-serif;
  --mono:         'JetBrains Mono', 'Courier New', monospace;
  --radius:       10px;
}

html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  overflow-x: hidden;
}

/* ── TOPBAR ──────────────────────────────────────────── */
.docs-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--topbar-h);
  background: rgba(7, 7, 15, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 20px;
}
.topbar-sidebar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 6px;
  margin-right: 8px;
}
.topbar-sidebar-toggle:hover { background: var(--card); color: var(--text); }
.topbar-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  width: var(--sidebar-w);
  padding-left: 4px;
}
.topbar-logo-icon {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.topbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  padding-left: 32px;
}
.topbar-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 7px;
  transition: color 0.2s, background 0.2s;
}
.topbar-nav a:hover { color: var(--text); background: var(--card); }
.topbar-nav a.active { color: var(--text); }
.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.topbar-right a {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 7px;
  border: 1px solid var(--card-border);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.topbar-right a:hover { color: var(--text); border-color: rgba(255,255,255,0.15); background: var(--card); }
.topbar-btn-primary {
  background: linear-gradient(135deg, var(--accent), #5b8ef5);
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: 0 2px 12px rgba(124,92,252,0.3);
}

/* ── LAYOUT ──────────────────────────────────────────── */
.docs-layout {
  display: flex;
  padding-top: var(--topbar-h);
  min-height: 100vh;
}

/* ── SIDEBAR ─────────────────────────────────────────── */
.docs-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--card-border);
  position: fixed;
  top: var(--topbar-h);
  left: 0;
  bottom: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 20px 12px 40px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.08) transparent;
}
.docs-sidebar::-webkit-scrollbar { width: 4px; }
.docs-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 4px; }

.nav-group { margin-bottom: 6px; }
.nav-section {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  padding: 14px 10px 6px;
  user-select: none;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 7px;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.15s, background 0.15s;
  line-height: 1.3;
}
.nav-link:hover { color: var(--text); background: var(--card); }
.nav-link.active { color: var(--accent2); background: rgba(79,156,255,0.08); }
.nav-link-icon { color: var(--text-muted); flex-shrink: 0; }
.nav-sub { padding-left: 18px; }
.nav-sub .nav-link { font-size: 0.83rem; padding: 5px 10px; }

/* ── MAIN + TOC ──────────────────────────────────────── */
.docs-body {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  justify-content: center;
}
.docs-content {
  flex: 1;
  max-width: 820px;
  padding: 48px 40px 80px;
  min-width: 0;
}
.docs-toc {
  width: 220px;
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--topbar-h) + 32px);
  height: fit-content;
  padding: 24px 20px;
  display: none;
}
.docs-toc-title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.toc-link {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 0 4px 12px;
  border-left: 2px solid var(--card-border);
  transition: color 0.15s, border-color 0.15s;
  line-height: 1.4;
}
.toc-link:hover { color: var(--text); border-color: var(--accent2); }
.toc-link.active { color: var(--accent2); border-color: var(--accent2); }
.toc-link-h3 { padding-left: 22px; font-size: 0.78rem; }

@media (min-width: 1280px) {
  .docs-toc { display: block; }
  .docs-content { padding-right: 32px; }
}

/* ── CONTENT TYPOGRAPHY ──────────────────────────────── */
.docs-content h1 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 12px;
  color: var(--text);
}
.docs-content .page-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--card-border);
}
.docs-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 48px 0 16px;
  padding-top: 8px;
  color: var(--text);
  scroll-margin-top: 80px;
}
.docs-content h2::before {
  content: '';
  display: block;
  border-top: 1px solid var(--card-border);
  margin-bottom: 24px;
}
.docs-content h1 + .page-meta + h2::before,
.docs-content h1 + p + h2::before { display: none; margin-bottom: 0; }
.docs-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 28px 0 10px;
  color: var(--text);
  scroll-margin-top: 80px;
}
.docs-content h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 20px 0 8px;
  color: var(--text-soft);
}
.docs-content p {
  color: var(--text-soft);
  line-height: 1.75;
  margin-bottom: 16px;
}
.docs-content p strong { color: var(--text); font-weight: 600; }
.docs-content a { color: var(--accent2); text-decoration: none; }
.docs-content a:hover { text-decoration: underline; }
.docs-content ul, .docs-content ol {
  padding-left: 20px;
  margin-bottom: 16px;
}
.docs-content li {
  color: var(--text-soft);
  line-height: 1.7;
  margin-bottom: 4px;
}
.docs-content li strong { color: var(--text); }
.docs-content code {
  font-family: var(--mono);
  font-size: 0.83em;
  background: rgba(124,92,252,0.12);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(124,92,252,0.15);
}

/* ── CODE BLOCKS ─────────────────────────────────────── */
.docs-content pre {
  background: #0a0a16;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 0;
  margin: 20px 0;
  overflow: hidden;
  position: relative;
}
.docs-content pre .code-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.docs-content pre code {
  display: block;
  padding: 18px 20px;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.75;
  color: #b0b0d0;
  background: none;
  border: none;
  white-space: pre;
  overflow-x: auto;
}

/* syntax colours */
.kw  { color: var(--accent2); }
.str { color: var(--green); }
.cm  { color: #4a5568; font-style: italic; }
.nb  { color: #f59e0b; }
.sc  { color: #e879f9; }
.num { color: #fb923c; }

/* ── TABLES ──────────────────────────────────────────── */
.table-wrap { overflow-x: auto; margin: 20px 0; border-radius: var(--radius); border: 1px solid var(--card-border); }
.docs-content table { width: 100%; border-collapse: collapse; }
.docs-content th {
  background: rgba(255,255,255,0.04);
  padding: 10px 16px;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--card-border);
  white-space: nowrap;
}
.docs-content td {
  padding: 10px 16px;
  font-size: 0.875rem;
  color: var(--text-soft);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: top;
  line-height: 1.6;
}
.docs-content td:first-child { color: var(--text); font-family: var(--mono); font-size: 0.8rem; }
.docs-content tr:last-child td { border-bottom: none; }
.docs-content tr:hover td { background: rgba(255,255,255,0.02); }
.docs-content td code { font-size: 0.78em; }

/* ── CALLOUTS ────────────────────────────────────────── */
.callout {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--radius);
  margin: 20px 0;
  font-size: 0.9rem;
  line-height: 1.65;
}
.callout-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.callout-body { color: var(--text-soft); }
.callout-body strong { color: var(--text); }
.callout-info    { background: rgba(79,156,255,0.08);  border: 1px solid rgba(79,156,255,0.2);  }
.callout-warning { background: rgba(245,158,11,0.08);  border: 1px solid rgba(245,158,11,0.2);  }
.callout-danger  { background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.2); }
.callout-success { background: rgba(34,211,160,0.08);  border: 1px solid rgba(34,211,160,0.2);  }

/* ── BADGES ──────────────────────────────────────────── */
.badge-yes  { display:inline-block; padding:2px 8px; border-radius:4px; font-size:0.72rem; font-weight:700; background:rgba(34,211,160,0.12); color:var(--green); border:1px solid rgba(34,211,160,0.2); }
.badge-no   { display:inline-block; padding:2px 8px; border-radius:4px; font-size:0.72rem; font-weight:700; background:rgba(107,114,128,0.12); color:var(--text-muted); border:1px solid rgba(107,114,128,0.2); }
.badge-opt  { display:inline-block; padding:2px 8px; border-radius:4px; font-size:0.72rem; font-weight:700; background:rgba(245,158,11,0.1); color:var(--orange); border:1px solid rgba(245,158,11,0.2); }
.badge-tag  { display:inline-block; padding:2px 10px; border-radius:100px; font-size:0.72rem; font-weight:600; background:rgba(124,92,252,0.12); color:var(--accent); border:1px solid rgba(124,92,252,0.2); }

/* ── PAGE NAV ────────────────────────────────────────── */
.page-nav {
  display: flex;
  gap: 16px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--card-border);
}
.page-nav-link {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--card-border);
  background: var(--card);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s;
}
.page-nav-link:hover { border-color: rgba(124,92,252,0.4); background: rgba(124,92,252,0.06); }
.page-nav-link.next { text-align: right; }
.page-nav-dir {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.page-nav-title { font-size: 0.95rem; font-weight: 600; color: var(--text); }

/* ── OVERLAY (mobile) ────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 149;
}
.sidebar-overlay.active { display: block; }

/* ── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 900px) {
  .docs-sidebar {
    transform: translateX(-100%);
    transition: transform 0.28s ease;
    z-index: 150;
  }
  .docs-sidebar.open { transform: translateX(0); }
  .docs-body { margin-left: 0; }
  .topbar-logo { width: auto; }
  .topbar-sidebar-toggle { display: flex; }
  .docs-content { padding: 32px 20px 60px; }
}
@media (max-width: 600px) {
  .docs-content h1 { font-size: 1.8rem; }
  .page-nav { flex-direction: column; }
  .topbar-nav { display: none; }
}