:root {
  --asphalt: #26282B;
  --asphalt-deep: #1C1D1F;
  --card: #303336;
  --hazard: #F5C212;
  --text: #F2F2F0;
  --muted: #9A9C9E;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--asphalt); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6; }
body { padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom); }
header { padding: 18px 18px 8px; display: flex; align-items: center; gap: 10px;
  max-width: 720px; margin: 0 auto; }
header .logo { width: 30px; height: 30px; border-radius: 7px; background: var(--hazard);
  display: flex; align-items: center; justify-content: center; font-size: 18px; }
header h1 { font-size: 19px; margin: 0; font-weight: 800; letter-spacing: -0.2px; }
main { padding: 0 18px 60px; max-width: 720px; margin: 0 auto; }
.doc-title { font-size: 26px; font-weight: 800; letter-spacing: -0.4px; margin: 18px 0 4px; }
.updated { color: var(--muted); font-size: 13px; margin: 0 0 24px; }
h2 { font-size: 17px; font-weight: 700; margin: 28px 0 8px;
  border-left: 3px solid var(--hazard); padding-left: 10px; }
p, li { font-size: 15px; color: var(--text); }
.muted { color: var(--muted); }
ul { padding-left: 22px; }
li { margin: 6px 0; }
a { color: var(--hazard); }
.callout { background: var(--card); border-radius: 14px; padding: 14px 16px;
  margin: 16px 0; border: 1px solid #44474a; }
.callout strong { color: var(--hazard); }
.tabs { display: flex; gap: 8px; padding: 4px 0 18px; max-width: 720px; margin: 0 auto; }
.tabs a { flex: 1; text-align: center; background: var(--card); color: var(--text);
  text-decoration: none; padding: 9px; border-radius: 10px; font-size: 14px; font-weight: 600; }
.tabs a.active { background: var(--hazard); color: #1a1a1a; }
footer { max-width: 720px; margin: 0 auto; padding: 24px 18px 40px; color: var(--muted);
  font-size: 13px; border-top: 1px solid #3a3d40; }
footer a { color: var(--muted); }