:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1a2230;
  --muted: #4d5869;
  --border: #d5dae2;
  --pass: #0b6b3a;
  --pass-bg: #e4f4ea;
  --warn: #8a4b00;
  --warn-bg: #fdf0dc;
  --link: #0b57c2;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161d;
    --surface: #1b212b;
    --text: #edf0f5;
    --muted: #b3bcc9;
    --border: #39424f;
    --pass: #7fdda6;
    --pass-bg: #123323;
    --warn: #f5c27a;
    --warn-bg: #3a2a12;
    --link: #8fbcff;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--link); }
a:focus-visible, .wrap:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }
.skip {
  position: absolute;
  left: -999px;
  padding: 8px 12px;
  background: var(--surface);
}
.skip:focus { left: 16px; top: 16px; }
main, footer { max-width: 780px; margin: 0 auto; padding: 32px 16px; }
footer { padding-top: 0; color: var(--muted); font-size: 0.9rem; }
h1 { font-size: 1.8rem; line-height: 1.25; margin: 0 0 4px; }
h2 { font-size: 1.25rem; margin: 0 0 8px; }
.meta { color: var(--muted); margin: 0 0 24px; }
section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}
.status { font-weight: 700; margin: 0 0 8px; padding: 4px 10px; border-radius: 6px; display: inline-block; }
.status.pass { color: var(--pass); background: var(--pass-bg); }
.status.warn { color: var(--warn); background: var(--warn-bg); }
ul { margin: 8px 0 0; padding-left: 20px; }
.wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; margin-top: 8px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }