/* ===== Общий стиль справочника системного администратора ===== */
:root {
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --panel: #15233b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent2: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --code-bg: #0b1220;
  --border: #334155;
  --radius: 10px;
  --maxw: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg), #0b1320);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
}

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

code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 5px;
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.92em;
  color: #fde68a;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  overflow-x: auto;
  margin: 16px 0;
}
pre code {
  background: none;
  padding: 0;
  color: #e2e8f0;
  font-size: 0.9em;
}

h1, h2, h3, h4 { line-height: 1.25; color: #f8fafc; }
h1 { font-size: 2.1rem; margin-top: 0; }
h2 {
  font-size: 1.55rem;
  margin-top: 2.2rem;
  border-left: 4px solid var(--accent);
  padding-left: 12px;
}
h3 { font-size: 1.2rem; margin-top: 1.6rem; color: var(--accent2); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.95em;
}
th, td {
  border: 1px solid var(--border);
  padding: 8px 10px;
  text-align: left;
}
th { background: var(--bg-soft); color: #f8fafc; }
tr:nth-child(even) td { background: rgba(255,255,255,0.03); }

blockquote {
  border-left: 4px solid var(--warn);
  background: rgba(251,191,36,0.08);
  margin: 16px 0;
  padding: 10px 16px;
  color: #fde68a;
  border-radius: 6px;
}

.note {
  border-left: 4px solid var(--accent2);
  background: rgba(52,211,153,0.08);
  padding: 10px 16px;
  margin: 16px 0;
  border-radius: 6px;
}
.danger {
  border-left: 4px solid var(--danger);
  background: rgba(248,113,113,0.08);
  padding: 10px 16px;
  margin: 16px 0;
  border-radius: 6px;
}

/* ===== Шапка и навигация ===== */
header.topbar {
  background: rgba(15,23,42,0.95);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(6px);
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.brand { font-weight: 700; font-size: 1.25rem; color: #f8fafc; }
.brand span { color: var(--accent); }
.topnav { display: flex; gap: 6px; flex-wrap: wrap; }
.topnav a {
  padding: 6px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}
.topnav a:hover { background: var(--bg-soft); color: #fff; text-decoration: none; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 30px 20px 80px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 30px;
}

/* ===== Боковое оглавление ===== */
.sidebar {
  position: sticky;
  top: 80px;
  align-self: start;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.sidebar h4 {
  margin: 0 0 10px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.sidebar ul { list-style: none; margin: 0 0 14px; padding: 0; }
.sidebar li { margin: 2px 0; }
.sidebar a {
  display: block;
  padding: 5px 10px;
  border-radius: 6px;
  color: var(--text);
  font-size: 0.9rem;
}
.sidebar a:hover { background: var(--bg-soft); text-decoration: none; }
.sidebar a.active { background: var(--accent); color: #04263b; font-weight: 600; }

.content { min-width: 0; }
.content p { margin: 12px 0; }

/* ===== Карточки на главной ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  transition: transform .15s, border-color .15s;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card h3 { margin-top: 0; font-size: 1.05rem; }
.card p { font-size: 0.9rem; color: var(--muted); margin: 8px 0 14px; }
.card a { font-weight: 600; }

footer {
  border-top: 1px solid var(--border);
  padding: 24px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

ul.toc-inline { columns: 2; }
@media (max-width: 800px) {
  .container { grid-template-columns: 1fr; }
  .sidebar { position: static; max-height: none; }
  ul.toc-inline { columns: 1; }
}

.pager {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  gap: 10px;
}
.pager a {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 8px;
  flex: 1;
  text-align: center;
}
.pager a:hover { border-color: var(--accent); text-decoration: none; }
.pager .next { text-align: right; }
.pager .prev { text-align: left; }

.tag {
  display: inline-block;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 10px;
  font-size: 0.78rem;
  color: var(--muted);
  margin: 2px 4px 2px 0;
}