:root {
  color-scheme: light dark;
  --bg: #fbfbf9; --text: #1d2125; --muted: #5a636b; --line: #dcdfe1; --accent: #1b5e8a; --surface: #f1f2ef;
  --mark-bg: #fff0b8; --mark-text: #5c4400;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181b; --text: #e6e8ea; --muted: #a3acb4; --line: #333a40; --accent: #7fbde6; --surface: #1e2327;
    --mark-bg: #4d3e0a; --mark-text: #ffe9a3;
  }
}
* { 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, "Helvetica Neue", Arial, sans-serif;
  overflow-wrap: break-word;
}
.wrap { max-width: 46rem; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: var(--bg); padding: 4px 8px; z-index: 1; }
a { color: var(--accent); text-underline-offset: 2px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

header { border-bottom: 1px solid var(--line); padding: 14px 0; }
.brand { display: block; color: var(--text); font-weight: 600; text-decoration: none; margin-bottom: 8px; }
nav ul { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 0; padding: 0; list-style: none; font-size: 15px; }
nav a { display: inline-block; padding: 4px 0; text-decoration: none; }
nav a:hover { text-decoration: underline; }
nav a[aria-current="page"] { color: var(--text); font-weight: 600; }
nav .lang { margin-left: auto; }

main { padding: 28px 0 40px; }
h1 { font-size: 1.75rem; line-height: 1.25; margin: 0 0 12px; font-weight: 650; }
h2 { font-size: 1.2rem; line-height: 1.3; margin: 34px 0 10px; font-weight: 650; scroll-margin-top: 12px; }
h3 { font-size: 1rem; margin: 18px 0 6px; font-weight: 650; }
p, ul, ol { margin: 0 0 12px; }
ul, ol { padding-left: 1.25rem; }
li { margin-bottom: 5px; }
.lead { font-size: 1.08rem; color: var(--muted); }
.meta { color: var(--muted); font-size: 15px; margin-bottom: 10px; }
.cols { display: grid; gap: 0 28px; }
@media (min-width: 640px) { .cols { grid-template-columns: 1fr 1fr; } }

.scroll { overflow-x: auto; margin-bottom: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { padding: 8px 10px 8px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { font-weight: 650; }
@media (max-width: 639px) {
  .scroll table, .scroll tbody, .scroll tr, .scroll td { display: block; width: 100%; }
  .scroll thead { position: absolute; left: -999px; }
  .scroll tr { padding: 10px 0; border-bottom: 1px solid var(--line); }
  .scroll td { padding: 2px 0; border: 0; }
  .scroll td:first-child { font-weight: 650; }
  .scroll td:nth-child(3) { color: var(--muted); }
  .kv th, .kv td { display: block; width: 100%; padding: 0; border: 0; }
  .kv th { padding-top: 8px; font-size: 14px; }
  .kv td { padding-bottom: 8px; border-bottom: 1px solid var(--line); }
}
.kv th { font-weight: 500; color: var(--muted); width: 42%; }
mark { background: var(--mark-bg); color: var(--mark-text); padding: 0 4px; border-radius: 3px; }
.draft { background: var(--mark-bg); color: var(--mark-text); padding: 8px 16px; font-size: 15px; text-align: center; font-weight: 600; }

footer { border-top: 1px solid var(--line); padding: 18px 0 30px; color: var(--muted); font-size: 14px; }
footer p { margin: 0 0 6px; }