/* Strony informacyjno-prawne ankiety. Zero zewnętrznych zasobów (CSP: default-src 'self').
   Kontrast (WCAG 1.4.3, wzór WCAG): jasny: tekst #1b2733 na #fff 14.6, na #f4f7fa 13.4; akcent #00659a na #fff 6.3, na #f4f7fa 5.8;
   obramowanie #c9d3dc to tylko ozdoba, elementy sterujące mają obrys --ctl (#5b6b7a, 5.3 na #fff; >= 3:1 wg 1.4.11).
   Ciemny: tekst #e8eef3 na #121a22 14.5; akcent #7fcbf2 na #121a22 9.6. Wysoki: żółty #ffff00 na #000 19.6. */
:root {
  --bg: #ffffff; --surface: #f4f7fa; --text: #1b2733; --muted: #3f4f5e; --accent: #00659a;
  --border: #c9d3dc; --ctl: #5b6b7a; --focus: #00659a; --on-accent: #ffffff;
  --todo-bg: #fff3bf; --todo-fg: #3d2f00; --todo-bd: #8a6d00;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]):not([data-theme="contrast"]):not([data-theme="system"]),
  :root[data-theme="system"] {
    --bg: #121a22; --surface: #1b2631; --text: #e8eef3; --muted: #bcc8d3; --accent: #7fcbf2;
    --border: #3b4b5a; --ctl: #8fa0b0; --focus: #ffd24d; --on-accent: #0b1b3a; color-scheme: dark;
  }
}
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] {
  --bg: #121a22; --surface: #1b2631; --text: #e8eef3; --muted: #bcc8d3; --accent: #7fcbf2;
  --border: #3b4b5a; --ctl: #8fa0b0; --focus: #ffd24d; --on-accent: #0b1b3a; color-scheme: dark;
}
:root[data-theme="contrast"] {
  --bg: #000; --surface: #000; --text: #ffff00; --muted: #ffff00; --accent: #ffff00;
  --border: #ffff00; --ctl: #ffff00; --focus: #00ffff; --on-accent: #000; color-scheme: dark;
}
html { font-size: 100%; -webkit-text-size-adjust: 100%; scroll-padding-top: 1rem; }
html[data-size="125"] { font-size: 125%; }
html[data-size="150"] { font-size: 150%; }
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 1rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  overflow-wrap: break-word;
}
a { color: var(--accent); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 0.15em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 2px; }
.skip-link {
  position: absolute; left: 0.5rem; top: -4rem; z-index: 10; padding: 0.75rem 1rem; min-height: 44px;
  background: var(--accent); color: var(--on-accent); font-weight: 700; border-radius: 0.375rem;
}
.skip-link:focus { top: 0.5rem; }

.wrap { max-width: 72ch; margin-inline: auto; padding-inline: 1rem; }
.site-header { background: var(--surface); border-block-end: 4px solid var(--accent); padding-block: 0.75rem; }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.5rem 1rem; }
.site-name { margin: 0; font-size: 1rem; font-weight: 700; line-height: 1.3; }
.back-link {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 1rem; font-weight: 700;
  border: 2px solid var(--accent); border-radius: 0.375rem; text-decoration: none; background: var(--bg);
}
.back-link:hover { background: var(--accent); color: var(--on-accent); }

.a11y-bar { background: var(--bg); border-block-end: 1px solid var(--border); padding-block: 0.5rem; }
.a11y-bar .wrap { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; align-items: center; }
.a11y-bar[hidden] { display: none; }
.a11y-group { display: flex; flex-wrap: wrap; align-items: center; gap: 0.375rem; margin: 0; padding: 0; border: 0; min-width: 0; }
.a11y-group legend { float: left; padding: 0; margin-inline-end: 0.25rem; font-size: 0.875rem; color: var(--muted); }
.a11y-bar button {
  min-width: 44px; min-height: 44px; padding: 0 0.75rem; font: inherit; font-size: 0.9375rem; cursor: pointer;
  color: var(--text); background: var(--bg); border: 2px solid var(--ctl); border-radius: 0.375rem;
}
.a11y-bar button[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); border-color: var(--accent); font-weight: 700; }

.page-nav { padding-block: 0.5rem; border-block-end: 1px solid var(--border); }
.page-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.25rem 0.5rem; margin: 0; padding: 0; }
.page-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 0.5rem; }
.page-nav a[aria-current="page"] { font-weight: 700; color: var(--text); text-decoration: none; border-block-end: 3px solid var(--accent); }

main { padding-block: 1.5rem 2.5rem; }
h1 { font-size: 1.875rem; line-height: 1.2; margin: 0 0 0.5rem; }
h2 { font-size: 1.375rem; line-height: 1.3; margin: 2.25rem 0 0.75rem; padding-block-start: 0.75rem; border-block-start: 2px solid var(--border); }
h3 { font-size: 1.125rem; line-height: 1.35; margin: 1.5rem 0 0.5rem; }
p, ul, ol, dl, table { margin-block: 0 1rem; }
ul, ol { padding-inline-start: 1.5rem; }
li { margin-block-end: 0.375rem; }
.lead { font-size: 1.125rem; color: var(--muted); }
.meta { color: var(--muted); font-size: 0.9375rem; }

.toc { background: var(--surface); border: 1px solid var(--border); border-radius: 0.5rem; padding: 1rem 1.25rem; margin-block: 1.25rem; }
.toc h2 { margin: 0 0 0.5rem; padding: 0; border: 0; font-size: 1.125rem; }
.toc ol, .toc ul { margin: 0; }
.toc a { display: inline-block; padding-block: 0.375rem; }

.box { background: var(--surface); border: 1px solid var(--border); border-inline-start: 6px solid var(--accent); border-radius: 0.5rem; padding: 1rem 1.25rem; margin-block: 1.25rem; }
.box > :first-child { margin-block-start: 0; }
.box > :last-child { margin-block-end: 0; }
.box h2 { margin: 0 0 0.5rem; padding: 0; border: 0; font-size: 1.25rem; }
.box.warn { border-inline-start-color: var(--text); }
.sos li { font-size: 1.0625rem; }

.todo {
  display: inline; padding: 0.05em 0.4em; background: var(--todo-bg); color: var(--todo-fg);
  border: 2px dashed var(--todo-bd); border-radius: 0.25rem; font-weight: 700;
}
:root[data-theme="contrast"] .todo { background: #000; color: #ffff00; border-color: #ffff00; }

table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
th, td { text-align: start; vertical-align: top; padding: 0.5rem 0.625rem; border: 1px solid var(--ctl); }
th { background: var(--surface); }
.table-scroll { overflow-x: auto; }
code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.9em; background: var(--surface); padding: 0.05em 0.3em; border-radius: 0.25rem; }
dt { font-weight: 700; margin-block-start: 0.75rem; }
dd { margin: 0 0 0.5rem 0; padding-inline-start: 1rem; }

.site-footer { background: var(--surface); border-block-start: 4px solid var(--accent); padding-block: 1.25rem 2rem; font-size: 0.9375rem; }
.site-footer ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0 1rem; margin: 0 0 0.75rem; padding: 0; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; }
.site-footer p { margin: 0; color: var(--muted); }

@media (max-width: 30em) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  .box, .toc { padding: 0.875rem; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }
@media (forced-colors: active) {
  .todo, .box, .toc { border: 2px solid CanvasText; }
  .a11y-bar button[aria-pressed="true"] { outline: 3px solid Highlight; }
}
@media print {
  :root { --bg: #fff; --surface: #fff; --text: #000; --muted: #000; --accent: #000; --border: #000; --ctl: #000; }
  html, html[data-size] { font-size: 11pt; }
  body { background: #fff; color: #000; line-height: 1.45; }
  .skip-link, .a11y-bar, .page-nav, .back-link, .toc { display: none !important; }
  .site-header, .site-footer { background: none; }
  .wrap { max-width: none; }
  h2, h3 { break-after: avoid; }
  .box, table, li { break-inside: avoid; }
  main a[href^="/"]::after { content: " (" attr(href) ")"; font-size: 0.85em; }
  .todo { background: none; color: #000; border: 1px dashed #000; }
}
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.toc ol { list-style: none; padding-inline-start: 0; }