:root {
  --bg: #0f1115;
  --panel: #171a21;
  --text: #eef0f4;
  --muted: #a7adba;
  --accent: #38d39f;
  --line: #2a2f3a;
  --link: #7cc4ff;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9;
    --panel: #ffffff;
    --text: #15181e;
    --muted: #555c69;
    --accent: #0f9b6c;
    --line: #dde1e7;
    --link: #0b62c4;
  }
}
* { 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, Arial, sans-serif;
}
a { color: var(--link); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
header.top {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
header.top .wrap {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 8px 20px; padding-top: 14px; padding-bottom: 14px;
}
.brand { font-weight: 700; font-size: 19px; color: var(--text); text-decoration: none; }
nav a { margin-left: 18px; font-weight: 600; text-decoration: none; }
nav a:first-child { margin-left: 0; }
main { padding: 32px 0 48px; }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 23px; margin: 36px 0 8px; }
h3 { font-size: 18px; margin: 22px 0 6px; }
.lead { font-size: 20px; color: var(--muted); margin: 0 0 28px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px;
}
.card h2 { margin-top: 0; font-size: 20px; }
.card p { margin: 0; color: var(--muted); }
.movie { margin-top: 16px; }
.yt-attribution { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 12px; color: var(--muted); font-size: 15px; }
/* The official file includes YouTube's clear space; shown at the 100 px minimum height, unaltered. */
.yt-attribution img { height: 100px; width: auto; display: block; }
.legal-links {
  margin-top: 32px; padding: 18px 20px; border-radius: 14px; border: 1px solid var(--line); background: var(--panel);
}
.legal-links a { font-weight: 700; margin-right: 18px; }
footer { border-top: 1px solid var(--line); padding: 20px 0 36px; color: var(--muted); font-size: 14px; }
footer a { margin-right: 14px; }
.doc p, .doc li { max-width: 72ch; }
.doc .meta { color: var(--muted); }
.doc table { border-collapse: collapse; width: 100%; font-size: 15px; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; vertical-align: top; border: 1px solid var(--line); padding: 8px 10px; }
.doc th { background: var(--panel); }
.box { background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 10px; padding: 12px 18px; margin: 16px 0; }
@media (max-width: 520px) {
  h1 { font-size: 28px; }
  .lead { font-size: 18px; }
}