:root {
  --bg: #fff6e5;
  --surface: #ffffff;
  --text: #1b1b1f;
  --muted: #55535e;
  --ink: #1b1b1f;
  --blue: #2f5bff;
  --yellow: #ffd84d;
  --on-accent: #1b1b1f;
}
:root:not([data-theme="light"]) {
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17161d;
    --surface: #24222d;
    --text: #f4ecd8;
    --muted: #b4afbf;
    --ink: #f4ecd8;
    --blue: #7f9bff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 46rem; margin: 0 auto; padding: 24px 16px 64px; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.mark {
  display: inline-block;
  background: var(--yellow);
  color: var(--on-accent);
  border: 2.5px solid var(--ink);
  border-radius: 16px;
  box-shadow: 4px 4px 0 var(--ink);
  padding: 4px 16px;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 1px;
  text-decoration: none;
  transform: rotate(-2deg);
}
nav.lang a { color: var(--text); font-weight: 600; margin-inline-start: 12px; }
h1 { font-size: 34px; line-height: 1.15; margin: 32px 0 8px; }
h2 { font-size: 22px; margin: 36px 0 8px; }
h3 { font-size: 18px; margin: 24px 0 4px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--blue); }
.card {
  background: var(--surface);
  border: 2.5px solid var(--ink);
  border-radius: 20px;
  box-shadow: 5px 5px 0 var(--ink);
  padding: 20px;
  margin: 20px 0;
}
.card.accent { background: var(--yellow); color: var(--on-accent); }
.card.accent p, .card.accent li, .card.accent h2 { color: var(--on-accent); }
.card h2:first-child, .card h3:first-child { margin-top: 0; }
ol.steps { padding-inline-start: 22px; }
ol.steps li { margin: 6px 0; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; }
th, td { text-align: start; vertical-align: top; padding: 10px 8px; border-bottom: 2px solid var(--ink); }
th { font-size: 14px; color: var(--muted); font-weight: 700; }
.scroll { overflow-x: auto; }
@media (max-width: 560px) {
  table, tbody, tr, td { display: block; width: 100%; }
  tr:first-child { display: none; }
  tr { border-bottom: 2px solid var(--ink); padding: 12px 0; }
  td { border: 0; padding: 2px 0; }
  td:first-child { font-weight: 700; }
  td:nth-child(2) { color: var(--muted); font-size: 15px; }
}
hr { border: 0; border-top: 2.5px dashed var(--muted); margin: 48px 0; }
footer { margin-top: 48px; font-size: 15px; color: var(--muted); }
footer a { color: var(--muted); }