/* =========================================================================
   AirDocs Theme - das Air-V Design (aus style.css der Hauptseite abgeleitet):
   Air-V Cyan (#51cafc) auf tiefem Schwarz, Exo 2, cyan-getoente Borders,
   Glas-Karten, dezente Glows. Dark ist Standard (wie air-v.de), Light-Mode
   als Zugabe fuer lange Lesesessions.
   ========================================================================= */

:root {
  /* Air-V Markenpalette */
  --accent: #51cafc;
  --accent-soft-c: #7bd6fd;
  --accent-deep: #0a8fc9;
  --accent-glow: rgba(81, 202, 252, 0.45);
  --accent-faint: rgba(81, 202, 252, 0.08);
  --gradient: linear-gradient(135deg, #51cafc 0%, #0a8fc9 100%);

  --bg: #000000;
  --bg-soft: #050a10;
  --panel: rgba(7, 13, 19, 0.72);
  --panel-2: rgba(12, 21, 30, 0.72);
  --panel-solid: #0a1118;
  --border: rgba(81, 202, 252, 0.18);
  --border-strong: rgba(81, 202, 252, 0.45);
  --text: #ffffff;
  --text-soft: #a7b8c6;
  --text-faint: #566876;
  --accent-soft: rgba(81, 202, 252, 0.12);

  --ok: #38d39f;
  --warn: #f5a524;
  --danger: #ff5d6c;
  --info: #7bd6fd;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.55);
  --glow: 0 0 34px var(--accent-glow);
  --font: 'Exo 2', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --topbar-h: 64px;
  --sidebar-w: 280px;
  --toc-w: 220px;
  --content-max: 860px;
}

[data-theme="light"] {
  --bg: #f3f7fb;
  --bg-soft: #e9f0f8;
  --panel: #ffffff;
  --panel-2: #f0f5fb;
  --panel-solid: #ffffff;
  --border: rgba(10, 143, 201, 0.22);
  --border-strong: rgba(10, 143, 201, 0.45);
  --text: #0d1926;
  --text-soft: #41586c;
  --text-faint: #7b8fa1;
  --accent: #0a8fc9;
  --accent-glow: rgba(10, 143, 201, 0.25);
  --accent-soft: rgba(10, 143, 201, 0.1);
  --accent-faint: rgba(10, 143, 201, 0.06);
  --shadow: 0 12px 34px rgba(13, 25, 38, 0.12);
  --glow: 0 0 24px rgba(10, 143, 201, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Nachthimmel wie auf air-v.de: fixe radiale Cyan-Glows + Sternen-SVG */
[data-theme="dark"] body::before {
  content: ''; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(900px 620px at 82% -8%, rgba(10, 143, 201, 0.22), transparent 62%),
    radial-gradient(760px 600px at 6% 4%, rgba(81, 202, 252, 0.14), transparent 60%),
    radial-gradient(1200px 900px at 50% 120%, rgba(10, 143, 201, 0.1), transparent 60%);
}
[data-theme="dark"] body::after {
  content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: url('../img/sky.svg') center / cover no-repeat; opacity: 0.55;
}

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

/* ---------- Topbar ---------- */
.topbar {
  position: fixed; inset: 0 0 auto 0; height: var(--topbar-h); z-index: 50;
  display: flex; align-items: center; gap: 14px; padding: 0 18px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .topbar { background: rgba(255, 255, 255, 0.82); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-logo {
  height: 36px; width: 36px; object-fit: contain; border-radius: 9px;
  filter: drop-shadow(0 0 12px var(--accent-glow));
}
.brand-name { font-size: 1.08rem; letter-spacing: 0.3px; }
.brand-badge {
  font-size: 0.64rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.18em;
  padding: 3px 9px; border-radius: 999px; background: var(--gradient); color: #03121b;
}
.head-links { margin-left: auto; display: flex; gap: 4px; }
.head-link { color: var(--text-soft); padding: 8px 10px; border-radius: 9px; font-size: 0.92rem; font-weight: 500; }
.head-link:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); text-decoration: none; }
[data-theme="light"] .head-link:hover { background: var(--accent-soft); }

.searchbtn {
  display: flex; align-items: center; gap: 8px; margin-left: 8px;
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border); color: var(--text-faint);
  border-radius: 10px; padding: 8px 12px; cursor: pointer; font-family: var(--font); font-size: 0.88rem;
  min-width: 220px;
}
[data-theme="light"] .searchbtn { background: var(--panel); }
.searchbtn:hover { border-color: var(--border-strong); color: var(--text-soft); }
.searchbtn kbd { margin-left: auto; }
kbd {
  font-family: var(--mono); font-size: 0.72rem; color: var(--accent);
  background: var(--accent-faint); border: 1px solid var(--border); border-bottom-width: 2px;
  border-radius: 6px; padding: 2px 7px; white-space: nowrap;
}

.themetoggle, .burger {
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border); border-radius: 10px;
  width: 40px; height: 40px; cursor: pointer; color: var(--text);
  display: flex; align-items: center; justify-content: center; font-size: 1rem; flex: none;
}
.themetoggle:hover, .burger:hover { border-color: var(--border-strong); transform: translateY(-1px); }
[data-theme="dark"] .theme-sun { display: none; }
[data-theme="light"] .theme-moon { display: none; }
.burger { display: none; flex-direction: column; gap: 4px; }
.burger span { width: 16px; height: 2px; background: var(--text); border-radius: 2px; }

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  gap: 0 32px;
  max-width: 1440px;
  margin: 0 auto;
  padding: calc(var(--topbar-h) + 28px) 24px 40px;
}

/* ---------- Sidebar ---------- */
.sidebar { position: relative; }
.sidebar-inner {
  position: sticky; top: calc(var(--topbar-h) + 28px);
  max-height: calc(100vh - var(--topbar-h) - 56px);
  overflow-y: auto; padding-right: 8px;
}
.sidebar-nav ul { list-style: none; margin: 0; padding: 0; }
.sidebar-nav > ul > li { margin-bottom: 2px; }
.side-link, .side-cat-link, .side-cat-label {
  display: block; padding: 7px 10px; border-radius: var(--radius-sm);
  color: var(--text-soft); font-size: 0.92rem; font-weight: 500; flex: 1;
}
.side-link:hover, .side-cat-link:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); text-decoration: none; }
[data-theme="light"] .side-link:hover, [data-theme="light"] .side-cat-link:hover { background: var(--accent-soft); }
.side-link.active, .side-cat-link.active {
  color: var(--accent); background: var(--accent-soft); font-weight: 600;
}
.side-cat-row { display: flex; align-items: center; }
.side-cat-label { cursor: pointer; }
.side-caret {
  background: none; border: none; cursor: pointer; color: var(--text-faint);
  width: 28px; height: 28px; flex: none; position: relative;
}
.side-caret::before {
  content: '›'; font-size: 1.1rem; display: inline-block; transition: transform 0.18s ease;
}
.side-cat.open > .side-cat-row .side-caret::before { transform: rotate(90deg); }
.side-sub { display: none; margin-left: 12px !important; padding-left: 10px !important; border-left: 1px solid var(--border); }
.side-cat.open > .side-sub { display: block; }

/* ---------- Content ---------- */
.content { min-width: 0; max-width: var(--content-max); }
.doc h1 { font-size: 2.2rem; line-height: 1.15; margin: 0 0 18px; letter-spacing: -0.02em; font-weight: 800; }
.doc h2 { font-size: 1.5rem; margin: 42px 0 12px; padding-top: 8px; letter-spacing: -0.02em; font-weight: 700; }
.doc h3 { font-size: 1.18rem; margin: 28px 0 10px; font-weight: 700; }
.doc h4 { font-size: 1rem; margin: 22px 0 8px; font-weight: 600; }
.doc p, .doc ul, .doc ol { color: var(--text-soft); }
.doc li { margin: 4px 0; }
.doc strong { color: var(--text); }
.doc img { max-width: 100%; border-radius: var(--radius); border: 1px solid var(--border); }
.doc hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }
.doc blockquote {
  margin: 16px 0; padding: 10px 18px; border-left: 3px solid var(--accent);
  background: var(--panel); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-soft);
}
.hash-link { opacity: 0; margin-left: 8px; font-weight: 400; }
h1:hover .hash-link, h2:hover .hash-link, h3:hover .hash-link, h4:hover .hash-link { opacity: 1; }

.breadcrumbs { font-size: 0.85rem; color: var(--text-faint); margin-bottom: 14px; }
.breadcrumbs a { color: var(--text-faint); }
.breadcrumbs a:hover { color: var(--accent); }
.crumb-sep { margin: 0 7px; }

code:not(.hljs) {
  font-family: var(--mono); font-size: 0.85em; color: var(--accent);
  background: var(--accent-faint); border: 1px solid var(--border);
  border-radius: 6px; padding: 1px 6px;
}

/* ---------- Codebloecke (Glas-Karten wie auf air-v.de) ---------- */
.codeblock {
  position: relative; margin: 16px 0; border: 1px solid var(--border); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2) 0%, var(--panel) 100%);
  backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px);
  overflow: hidden;
}
.codeblock pre { margin: 0; padding: 14px 16px; overflow-x: auto; }
.codeblock code.hljs { font-family: var(--mono); font-size: 0.85rem; line-height: 1.6; background: none; padding: 0; }
.codeblock-lang {
  position: absolute; top: 9px; right: 100px; font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.16em; color: var(--text-faint); font-family: var(--mono); padding: 3px 0;
}
.codeblock-copy {
  position: absolute; top: 8px; right: 10px; z-index: 2;
  background: var(--accent-faint); color: var(--text-soft); border: 1px solid var(--border);
  border-radius: 7px; font-size: 0.7rem; font-family: var(--font); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em; padding: 4px 10px; cursor: pointer;
}
.codeblock-copy:hover { color: var(--accent); border-color: var(--border-strong); }
.codeblock-copy.copied { color: var(--ok); border-color: var(--ok); }

/* ---------- Tabellen ---------- */
.table-wrap {
  overflow-x: auto; margin: 16px 0; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--panel); backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px);
}
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); }
th {
  background: var(--accent-faint); color: var(--accent); font-weight: 700; white-space: nowrap;
  text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.12em;
}
td { color: var(--text-soft); }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(81, 202, 252, 0.04); }

/* ---------- Admonitions ---------- */
.admonition {
  margin: 18px 0; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--panel); backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px);
  overflow: hidden;
}
.admonition-head {
  display: flex; align-items: center; gap: 8px; padding: 9px 14px; font-weight: 700; font-size: 0.82rem;
  text-transform: uppercase; letter-spacing: 0.1em;
}
.admonition-body { padding: 4px 14px 10px; }
.admonition-body > *:first-child { margin-top: 0; }
.admonition-body > *:last-child { margin-bottom: 0; }
.admonition-tip { border-left: 3px solid var(--ok); }
.admonition-tip .admonition-head { color: var(--ok); }
.admonition-info { border-left: 3px solid var(--info); }
.admonition-info .admonition-head { color: var(--info); }
.admonition-note { border-left: 3px solid var(--accent); }
.admonition-note .admonition-head { color: var(--accent); }
.admonition-warning { border-left: 3px solid var(--warn); }
.admonition-warning .admonition-head { color: var(--warn); }
.admonition-danger { border-left: 3px solid var(--danger); }
.admonition-danger .admonition-head { color: var(--danger); }

/* ---------- TOC ---------- */
.toc {
  font-size: 0.83rem; align-self: start; position: sticky;
  top: calc(var(--topbar-h) + 28px); max-height: calc(100vh - var(--topbar-h) - 56px); overflow-y: auto;
}
.toc-title {
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.68rem;
  color: var(--accent); margin-bottom: 8px;
}
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border); }
.toc li a {
  display: block; color: var(--text-faint); padding: 4px 12px; border-left: 2px solid transparent; margin-left: -1px;
}
.toc li a:hover { color: var(--text); text-decoration: none; }
.toc li a.active { color: var(--accent); border-left-color: var(--accent); }
.toc-l3 a { padding-left: 26px; }

/* ---------- Pager ---------- */
.pager-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 44px; }
.pager {
  display: flex; flex-direction: column; gap: 4px; padding: 14px 18px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: linear-gradient(180deg, var(--panel-2) 0%, var(--panel) 100%);
  backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px);
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.pager:hover { border-color: var(--border-strong); text-decoration: none; transform: translateY(-3px); box-shadow: var(--shadow); }
.pager.next { text-align: right; }
.pager-dir { font-size: 0.74rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.12em; }
.pager-title { font-weight: 700; color: var(--text); }

.doc-footer {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--border);
  font-size: 0.8rem; color: var(--text-faint);
}
.doc-footer a { color: var(--text-faint); }
.doc-footer-brand { color: var(--text-faint); }

/* ---------- Home ---------- */
.content.home { max-width: 980px; }
.is-home .doc h1 {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  background: var(--gradient);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  width: fit-content;
  filter: drop-shadow(0 0 24px rgba(81, 202, 252, 0.25));
}
.home-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; margin-top: 28px; }
.home-card {
  display: flex; flex-direction: column; gap: 6px; padding: 24px;
  background: linear-gradient(180deg, var(--panel-2) 0%, var(--panel) 100%);
  border: 1px solid var(--border); border-radius: var(--radius);
  backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.home-card:hover { transform: translateY(-6px); border-color: var(--border-strong); text-decoration: none; box-shadow: var(--shadow); }
.home-card-title { font-weight: 700; color: var(--text); font-size: 1.05rem; }
.home-card-desc { color: var(--text-soft); font-size: 0.88rem; flex: 1; }
.home-card-more {
  color: var(--accent); font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.14em; margin-top: 6px;
}

/* ---------- Suche ---------- */
.search-overlay {
  position: fixed; inset: 0; z-index: 100; background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: flex; justify-content: center; align-items: flex-start; padding: 12vh 16px 0;
}
/* display:flex wuerde sonst das hidden-Attribut aushebeln - Overlay waere dauerhaft offen */
.search-overlay[hidden] { display: none; }
.search-box {
  width: 100%; max-width: 640px; background: var(--panel-solid); border: 1px solid var(--border-strong);
  border-radius: 16px; box-shadow: var(--shadow), var(--glow); overflow: hidden;
}
.search-input {
  width: 100%; border: none; outline: none; background: none; color: var(--text);
  font-family: var(--font); font-size: 1.05rem; padding: 16px 18px; border-bottom: 1px solid var(--border);
}
.search-results { max-height: 50vh; overflow-y: auto; }
.search-result { display: block; padding: 12px 18px; border-bottom: 1px solid var(--border); }
.search-result:hover, .search-result.selected { background: var(--accent-soft); text-decoration: none; }
.search-result-title { font-weight: 700; color: var(--text); font-size: 0.95rem; }
.search-result-section {
  font-size: 0.68rem; color: var(--accent); margin-bottom: 2px;
  text-transform: uppercase; letter-spacing: 0.12em; font-weight: 600;
}
.search-result-snippet { font-size: 0.82rem; color: var(--text-soft); }
.search-result-snippet mark { background: none; color: var(--accent); font-weight: 700; }
.search-empty { padding: 24px 18px; color: var(--text-faint); text-align: center; font-size: 0.9rem; }
.search-foot { padding: 8px 18px; font-size: 0.72rem; color: var(--text-faint); border-top: 1px solid var(--border); }

/* ---------- Responsive ---------- */
@media (max-width: 1160px) {
  .layout { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 880px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding-top: calc(var(--topbar-h) + 16px); }
  .burger { display: flex; }
  .head-links { display: none; }
  .searchbtn { min-width: 0; margin-left: auto; }
  .searchbtn-text, .searchbtn kbd { display: none; }
  .brand-name { display: none; }
  .sidebar {
    position: fixed; top: var(--topbar-h); bottom: 0; left: 0; width: min(320px, 85vw); z-index: 60;
    background: var(--bg-soft); border-right: 1px solid var(--border);
    transform: translateX(-100%); transition: transform 0.2s ease; padding: 16px;
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-open .sidebar-backdrop {
    display: block; position: fixed; inset: var(--topbar-h) 0 0 0; z-index: 55; background: rgba(0, 0, 0, 0.5);
  }
  .sidebar-inner { position: static; max-height: none; }
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: rgba(81, 202, 252, 0.22); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(81, 202, 252, 0.4); }

/* ---------- Syntax-Highlighting (highlight.js-Klassen) ---------- */
.hljs { color: var(--text); }
.hljs-comment, .hljs-quote { color: var(--text-faint); font-style: italic; }
.hljs-keyword, .hljs-selector-tag, .hljs-built_in, .hljs-tag { color: #7bd6fd; }
.hljs-string, .hljs-attr, .hljs-template-string, .hljs-addition { color: #38d39f; }
.hljs-number, .hljs-literal, .hljs-symbol, .hljs-bullet { color: #f5a524; }
.hljs-title, .hljs-function .hljs-title, .hljs-section, .hljs-name { color: #51cafc; }
.hljs-variable, .hljs-template-variable, .hljs-attribute { color: #ffd76a; }
.hljs-type, .hljs-class .hljs-title { color: #a78bfa; }
.hljs-meta, .hljs-selector-id, .hljs-selector-class { color: #9ee2ff; }
.hljs-deletion { color: var(--danger); }
.hljs-emphasis { font-style: italic; }
.hljs-strong { font-weight: 700; }
[data-theme="light"] .hljs-keyword, [data-theme="light"] .hljs-selector-tag, [data-theme="light"] .hljs-built_in, [data-theme="light"] .hljs-tag { color: #0a6fa0; }
[data-theme="light"] .hljs-string, [data-theme="light"] .hljs-attr, [data-theme="light"] .hljs-addition { color: #15803d; }
[data-theme="light"] .hljs-number, [data-theme="light"] .hljs-literal, [data-theme="light"] .hljs-symbol { color: #c2410c; }
[data-theme="light"] .hljs-title, [data-theme="light"] .hljs-section, [data-theme="light"] .hljs-name { color: #0a8fc9; }
[data-theme="light"] .hljs-variable, [data-theme="light"] .hljs-attribute { color: #a16207; }
[data-theme="light"] .hljs-type { color: #7c3aed; }
[data-theme="light"] .hljs-meta { color: #0369a1; }

/* Archiv-Banner (docs-archive.airv.life) */
.archive-banner{position:sticky;top:0;z-index:1000;background:rgba(10,14,18,.94);border-bottom:1px solid rgba(81,202,252,.35);color:#8aa0b2;font-size:12.5px;text-align:center;padding:7px 14px;line-height:1.45}
.archive-banner b{color:#51cafc;font-weight:600}
.archive-banner a{color:#51cafc;text-decoration:none}
.archive-banner a:hover{text-decoration:underline}