/* Vostok Documentation Styles */
:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #22263a;
  --border: #2e3350;
  --primary: #4f8ef7;
  --primary-dim: #2a4a8c;
  --accent: #7ee8a2;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --text-muted: #64748b;
  --code-bg: #141720;
  --code-border: #252a40;
  --sidebar-w: 260px;
  --toc-w: 220px;
  --red: #f87171;
  --yellow: #fbbf24;
  --purple: #a78bfa;
  --teal: #2dd4bf;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.sidebar-logo a {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-logo .logo-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800; color: #fff;
  flex-shrink: 0;
}
.sidebar-logo .logo-text {
  font-size: 18px; font-weight: 700; color: var(--text);
  letter-spacing: -0.3px;
}
.sidebar-logo .logo-version {
  font-size: 11px; color: var(--text-muted);
  margin-top: 1px;
}

.sidebar-nav { padding: 12px 0; flex: 1; }

.nav-section {
  padding: 8px 16px 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13.5px;
  border-left: 2px solid transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.sidebar-nav a:hover {
  color: var(--text);
  background: var(--surface2);
}
.sidebar-nav a.active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: rgba(79,142,247,0.08);
  font-weight: 500;
}
.sidebar-nav a .nav-icon {
  font-size: 14px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.sidebar-nav a .nav-badge {
  margin-left: auto;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--surface2);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

/* ── Main Content ────────────────────────────────── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-width: 0;
}

.content {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 48px 80px;
}

/* ── Page Header ─────────────────────────────────── */
.page-header {
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.page-header .module-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: rgba(79,142,247,0.1);
  border: 1px solid rgba(79,142,247,0.25);
  border-radius: 4px;
  padding: 3px 10px;
  margin-bottom: 12px;
}
.page-header h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.page-header .desc {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 640px;
}

/* ── Typography ──────────────────────────────────── */
h2 {
  font-size: 20px;
  font-weight: 650;
  color: var(--text);
  margin: 40px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.2px;
}
h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 24px 0 8px;
}
h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  margin: 16px 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
p { margin-bottom: 12px; color: var(--text-dim); }
ul, ol { margin: 8px 0 12px 20px; color: var(--text-dim); }
li { margin-bottom: 4px; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Code ────────────────────────────────────────── */
code {
  font-family: "JetBrains Mono", "Fira Code", "SF Mono", Consolas, monospace;
  font-size: 13px;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--accent);
}
pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 8px;
  padding: 20px 22px;
  overflow-x: auto;
  margin: 12px 0 20px;
  position: relative;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 13.5px;
  line-height: 1.65;
}
.code-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

/* Syntax token colors */
.kw  { color: #c792ea; }   /* keyword */
.ty  { color: #82aaff; }   /* type/class */
.st  { color: #c3e88d; }   /* string */
.cm  { color: #546e7a; font-style: italic; }  /* comment */
.nu  { color: #f78c6c; }   /* number */
.fn  { color: #82aaff; }   /* function call */
.an  { color: #ffcb6b; }   /* annotation */

/* ── API Table ───────────────────────────────────── */
.api-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-size: 13.5px;
}
.api-table th {
  text-align: left;
  padding: 10px 14px;
  background: var(--surface2);
  color: var(--text-dim);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
}
.api-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}
.api-table tr:last-child td { border-bottom: none; }
.api-table tr:hover td { background: rgba(255,255,255,0.02); }
.api-table td:first-child { white-space: nowrap; }
.api-table code { font-size: 12.5px; }

/* ── Info Cards ──────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin: 16px 0 24px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--primary-dim); }
.card h3 { margin: 0 0 6px; font-size: 14px; color: var(--text); }
.card p { margin: 0; font-size: 13px; color: var(--text-muted); }
.card .card-icon { font-size: 22px; margin-bottom: 10px; }

/* ── Callout / Alerts ────────────────────────────── */
.callout {
  border-left: 3px solid var(--primary);
  background: rgba(79,142,247,0.06);
  border-radius: 0 6px 6px 0;
  padding: 12px 16px;
  margin: 16px 0;
  font-size: 13.5px;
  color: var(--text-dim);
}
.callout.warn {
  border-color: var(--yellow);
  background: rgba(251,191,36,0.06);
}
.callout.tip {
  border-color: var(--accent);
  background: rgba(126,232,162,0.06);
}
.callout .callout-title {
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
  color: var(--primary);
}
.callout.warn .callout-title { color: var(--yellow); }
.callout.tip .callout-title { color: var(--accent); }

/* ── Config Table ────────────────────────────────── */
.config-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-size: 13px;
}
.config-table th {
  text-align: left;
  padding: 9px 12px;
  background: var(--surface2);
  color: var(--text-dim);
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
}
.config-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}
.config-table tr:last-child td { border-bottom: none; }
.config-table .default-val { color: var(--nu); font-family: monospace; font-size: 12px; }
.config-table .param-name { color: var(--accent); font-family: monospace; font-size: 12.5px; white-space: nowrap; }

/* Data: avoid overflow in entity annotation table */
.entity-annotation-table .param-name {
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ── Module Index Page ───────────────────────────── */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin: 20px 0;
}
.module-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.15s;
  color: inherit;
}
.module-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  text-decoration: none;
}
.module-card .mc-icon { font-size: 26px; }
.module-card .mc-name { font-size: 15px; font-weight: 600; color: var(--text); }
.module-card .mc-tag { font-size: 11.5px; font-weight: 600; color: var(--primary); font-family: monospace; }
.module-card .mc-desc { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* ── Error table ─────────────────────────────────── */
.error-code { color: var(--red); font-family: monospace; font-weight: 600; font-size: 13px; }
.enum-name { color: var(--purple); font-family: monospace; font-size: 12.5px; }

/* ── Page TOC (Right) ────────────────────────────── */
.page-toc {
  display: none;
  position: fixed;
  right: 0; top: 0;
  width: var(--toc-w);
  height: 100vh;
  overflow-y: auto;
  padding: 24px 14px 40px;
  border-left: none;
  background: transparent;
  z-index: 50;
}

.toc-heading {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0 6px 10px;
  margin-top: 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-list li a {
  display: block;
  padding: 5px 8px;
  font-size: 12.5px;
  color: var(--text-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 4px 4px 0;
  line-height: 1.45;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.toc-list li a:hover {
  color: var(--text);
  background: var(--surface2);
  text-decoration: none;
}

.toc-list li a.toc-active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: rgba(79,142,247,0.08);
}

@media (min-width: 1360px) {
  .page-toc { display: block; }
  .main { margin-right: var(--toc-w); }
}

/* ── Scrollbar ───────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-dim); }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main { margin-left: 0; }
  .content { padding: 24px 20px 60px; }
  h1 { font-size: 24px; }
}