/* Varianta A: dokumentace ve stylu GitLab Docs */
:root {
  --bg: #ffffff;
  --text: #28272d;
  --muted: #626168;
  --line: #dcdcde;
  --line-soft: #ececef;
  --accent: #1f75cb;
  --accent-2: #6e49cb;
  --accent-soft: #e9f3fc;
  --accent-2-soft: #f4f0ff;
  --ok: #217645;
  --ok-soft: #ecf4ee;
  --warn: #9e5400;
  --warn-soft: #fdf1dd;
  --code-bg: #f6f6f8;
  --side-bg: #fbfafd;
  --hover: #ececef;
  --bar: 48px;
  --pdf-paper: #ffffff;
  --pdf-ink: #111111;
  --pdf-rule: #333333;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", Ubuntu, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #18171d;
    --text: #ececef;
    --muted: #a4a3a8;
    --line: #3a383f;
    --line-soft: #2b2a30;
    --accent: #63a6e9;
    --accent-2: #ac93e6;
    --accent-soft: #1a2a3c;
    --accent-2-soft: #2a2140;
    --ok: #52b87a;
    --ok-soft: #14271c;
    --warn: #e9be74;
    --warn-soft: #2e2312;
    --code-bg: #232128;
    --side-bg: #1f1e24;
    --hover: #2b2a30;
    --pdf-paper: #f4f3ef;
    --pdf-ink: #141414;
    --pdf-rule: #3a3a3a;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.6 var(--sans);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Typography */
h1 { font-size: 32px; line-height: 1.25; font-weight: 600; margin: 0 0 8px; letter-spacing: -.01em; }
h2 { font-size: 24px; line-height: 1.3; font-weight: 600; margin: 40px 0 12px; padding-bottom: 6px; border-bottom: 1px solid var(--line-soft); }
h3 { font-size: 18px; line-height: 1.35; font-weight: 600; margin: 28px 0 8px; }
p { margin: 10px 0; }
ul, ol { padding-left: 22px; }
li { margin: 4px 0; }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 22px; }
b, strong { font-weight: 600; }

/* Top bar */
.bar {
  position: sticky; top: 0; z-index: 10; height: var(--bar);
  display: flex; align-items: center;
  background: var(--bg); border-bottom: 1px solid var(--line);
}
.brand {
  display: flex; align-items: center; gap: 10px; padding: 0 20px;
  font-weight: 600; font-size: 15px; color: var(--text);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { display: block; width: 28px; height: 28px; flex: none; }
.brand b { font-weight: 800; letter-spacing: .02em; }
.brand span { font-weight: 500; }
.brand:hover { text-decoration: none; color: var(--accent-2); }

/* Layout */
.layout { display: grid; grid-template-columns: 268px minmax(0, 1fr) 232px; min-height: calc(100vh - var(--bar)); }

/* Left navigation */
.side {
  position: sticky; top: var(--bar); align-self: start; height: calc(100vh - var(--bar));
  overflow-y: auto; padding: 16px 0 40px; background: var(--side-bg);
  border-right: 1px solid var(--line); font-size: 14px;
}
.side ul { list-style: none; margin: 0 0 8px; padding: 0; }
.side li { margin: 0; }
.side a {
  display: flex; gap: 8px; padding: 6px 16px 6px 20px; line-height: 1.4;
  color: var(--text); border-left: 3px solid transparent;
}
.side a:hover { background: var(--hover); text-decoration: none; }
.side a[aria-current] {
  border-left-color: var(--accent-2); background: var(--accent-2-soft);
  color: var(--text); font-weight: 600;
}
.side .num { min-width: 18px; color: var(--muted); font-variant-numeric: tabular-nums; }
.side a[aria-current] .num { color: var(--accent-2); }
.side-home { font-weight: 600; margin-bottom: 4px; }
.side-test { margin: 18px 20px 6px 23px; font-weight: 600; font-size: 14px; }
.side-test span { display: block; font-weight: 400; color: var(--muted); font-size: 12.5px; }
.side-group {
  margin: 14px 20px 4px 23px; color: var(--muted);
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
}

/* Content */
.content { min-width: 0; max-width: 900px; padding: 32px 48px 80px; }
.content h2, .content h3 { scroll-margin-top: calc(var(--bar) + 16px); }

/* Right table of contents */
.toc {
  position: sticky; top: var(--bar); align-self: start; max-height: calc(100vh - var(--bar));
  overflow-y: auto; padding: 32px 20px 40px 8px; font-size: 13px;
}
.toc-title { font-weight: 600; font-size: 13px; margin: 0 0 10px; color: var(--text); }
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line-soft); }
.toc li { margin: 0; }
.toc li a {
  display: block; margin-left: -2px; padding: 4px 0 4px 14px; line-height: 1.4;
  color: var(--muted); border-left: 2px solid transparent;
}
.toc li.l3 a { padding-left: 26px; }
.toc li a:hover { color: var(--text); text-decoration: none; border-left-color: var(--line); }
.toc li a.active,
.toc li a:focus-visible { color: var(--accent-2); border-left-color: var(--accent-2); }

/* Tables */
table { border-collapse: collapse; margin: 16px 0; font-variant-numeric: tabular-nums; font-size: 14px; }
th, td { border-bottom: 1px solid var(--line-soft); padding: 8px 14px; text-align: right; vertical-align: top; }
th { font-weight: 600; border-bottom: 1px solid var(--line); background: var(--code-bg); }
th:first-child, td:first-child { text-align: left; }
.scroll { overflow-x: auto; }

/* Code and formulas */
code { font-family: var(--mono); font-size: .88em; background: var(--code-bg); padding: 1px 5px; border-radius: 4px; }
.data {
  font-family: var(--mono); font-size: 13.5px; line-height: 1.8; word-spacing: 4px;
  background: var(--code-bg); padding: 10px 14px; border-radius: 4px;
}
.vzorec {
  font-family: "Cambria Math", "STIX Two Math", Georgia, serif; font-size: 18px;
  margin: 10px 0; padding: 9px 14px; overflow-x: auto; white-space: nowrap;
  background: var(--code-bg); border-radius: 4px;
}
.vysledek { font-weight: 600; color: var(--ok); }
.krok { margin: 14px 0; }
.krok b:first-child { color: var(--accent-2); }

/* Statgraphics and screenshots */
.sgp {
  margin: 16px 0; padding: 12px 16px; font-size: 14.5px;
  border: 1px solid var(--line); border-radius: 4px;
}
.sgp code { background: var(--code-bg); }
.shot {
  margin: 12px 0; padding: 24px; text-align: center; color: var(--muted); font-size: 13.5px;
  border: 1px dashed var(--line); border-radius: 4px;
}

/* Alerts */
.pozor, .interpretace {
  margin: 16px 0; padding: 12px 16px; font-size: 15px;
  border: 1px solid; border-left-width: 4px; border-radius: 4px;
}
.pozor { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 30%, transparent); border-left-color: var(--warn); }
.interpretace { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 25%, transparent); border-left-color: var(--accent); }
.pozor > :first-child, .interpretace > :first-child { margin-top: 0; }
.pozor > :last-child, .interpretace > :last-child { margin-bottom: 0; }

blockquote.zadani {
  margin: 16px 0; padding: 4px 16px; color: var(--text);
  border-left: 3px solid var(--line);
}
blockquote.zadani p { margin: 6px 0; }

/* Charts */
figure { margin: 20px 0; }
figure svg { max-width: 100%; height: auto; display: block; }
figcaption { color: var(--muted); font-size: 13px; margin-top: 6px; }

/* Collapsible */
details { margin: 12px 0; border: 1px solid var(--line); border-radius: 4px; }
summary { cursor: pointer; padding: 9px 14px; font-weight: 600; font-size: 15px; color: var(--text); }
summary:hover { background: var(--hover); }
details[open] summary { border-bottom: 1px solid var(--line-soft); }
details > :not(summary) { margin-left: 14px; margin-right: 14px; }

/* Overview list and footer */
ul.prehled { list-style: none; padding: 0; margin: 6px 0 18px; }
ul.prehled li { margin: 0; }
ul.prehled li a { display: flex; gap: 12px; padding: 9px 4px; border-bottom: 1px solid var(--line-soft); color: var(--text); }
ul.prehled li a:hover { color: var(--accent); text-decoration: none; background: var(--hover); }
ul.prehled .num { color: var(--muted); min-width: 20px; font-variant-numeric: tabular-nums; }
footer.dalsi {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px;
}
footer.dalsi a { font-weight: 600; }

/* Zadání shown like the page in the PDF */
.pdf {
  margin: 14px 0 18px; padding: 24px 28px; background: var(--pdf-paper); color: var(--pdf-ink);
  border: 1px solid var(--line); border-top: 3px solid var(--accent-2); border-radius: 2px;
  font-family: Calibri, Carlito, "Segoe UI", sans-serif; font-size: 16.5px;
}
.pdf p { text-align: justify; margin: 8px 0; }
.pdf-label { font-family: var(--sans); font-size: 12px; font-weight: 600; color: #6e49cb; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 10px; }
.pdf .pokr { font-style: italic; margin-top: 22px; text-align: left; }
.pdf table.pdf-data { border-collapse: collapse; margin: 16px 0 6px; font-size: 16px; }
.pdf table.pdf-data td, .pdf table.pdf-data th {
  border: 1px solid var(--pdf-rule); padding: 6px 14px; text-align: center;
  font-weight: 400; color: var(--pdf-ink); background: transparent;
}
.pdf table.pdf-data td:first-child, .pdf table.pdf-data th:first-child { text-align: left; }
.pdf table.pdf-data td { white-space: nowrap; }
.pdf table.txt td { text-align: left; }
.pdf ul.vysv { list-style: none; padding: 0; margin: 4px 0; }
.pdf ul.vysv li { margin: 3px 0; }

/* Responsive */
@media (max-width: 1150px) { .layout { grid-template-columns: 252px minmax(0, 1fr); } .toc { display: none; } }
@media (max-width: 760px) {
  .layout { display: block; }
  .side {
    position: static; height: auto; padding: 8px 10px 10px;
    border-right: 0; border-bottom: 1px solid var(--line);
  }
  .side a.side-home { display: inline-block; padding: 4px 6px; border-left: 0; margin: 0; }
  .side-test { margin: 6px 8px 4px; }
  .side-test span { display: inline; margin-left: 6px; }
  .side-group { display: none; }
  .side ul { display: inline-flex; flex-wrap: wrap; gap: 4px; margin: 4px 4px 0 0; }
  .side ul li a {
    font-size: 0; gap: 0; padding: 0; width: 34px; height: 34px; justify-content: center; align-items: center;
    border: 1px solid var(--line); border-radius: 4px; background: var(--bg);
  }
  .side ul li a .num { font-size: 14px; min-width: 0; color: var(--text); }
  .side ul li a[aria-current] { border-color: var(--accent-2); background: var(--accent-2-soft); }
  .side ul li a[aria-current] .num { color: var(--accent-2); }
  .side ul li a[href="/test-2/"] { font-size: 14px; width: auto; padding: 0 10px; }
  .side ul li a[href="/test-2/"] .num { display: none; }
  .content { padding: 22px 16px 60px; }
  h1 { font-size: 26px; }
  h2 { font-size: 21px; }
  .brand { padding: 0 16px; }
  figure { overflow-x: auto; }
  figure svg { min-width: 520px; }
  .pdf { padding: 16px; }
  .pdf p { text-align: left; }
}
@media print { .bar, .side, .toc, footer.dalsi { display: none; } .layout { display: block; } body { background: #fff; } }