:root { --bg: #fbfaf7; --ink: #1b1d22; --muted: #5b606b; --line: #dedbd2; --card: #ffffff; --link: #2b4fc7; color-scheme: light dark; }
@media (prefers-color-scheme: dark) { :root { --bg: #14161a; --ink: #eceae4; --muted: #a4a8b1; --line: #30333a; --card: #1b1e23; --link: #9db4ff; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--link); }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header.top { padding: 28px 0; }
.brand { color: inherit; font-weight: 700; font-size: 18px; text-decoration: none; }
main { padding-bottom: 56px; }
h1 { font-size: clamp(34px, 7vw, 52px); line-height: 1.1; letter-spacing: -.02em; margin: 28px 0 16px; }
.doc h1 { font-size: clamp(30px, 6vw, 40px); }
h2 { font-size: 22px; line-height: 1.3; margin: 40px 0 10px; }
h3 { font-size: 17px; margin: 0 0 4px; }
p, ul { margin: 0 0 14px; }
li { margin-bottom: 6px; }
.lead { font-size: 20px; color: var(--muted); margin-bottom: 24px; }
.muted { color: var(--muted); }
.cta { display: inline-block; padding: 12px 20px; border-radius: 8px; background: var(--ink); color: var(--bg); font-weight: 600; text-decoration: none; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.scroll { overflow-x: auto; }
table { width: 100%; min-width: 520px; border-collapse: collapse; margin-bottom: 14px; font-size: 16px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); }
footer { border-top: 1px solid var(--line); padding: 22px 0 36px; color: var(--muted); font-size: 15px; }
footer a { margin-right: 16px; }