:root { color-scheme: light dark; --bg: #f0fdff; --card: #ffffff; --text: #082f49; --muted: #4b6b7f; --link: #0b6480; --line: #d7ebf3; }
@media (prefers-color-scheme: dark) { :root { --bg: #061c2c; --card: #0a2a40; --text: #f0fdff; --muted: #8fb5c9; --link: #7dd3fc; --line: #123b57; } }
* { box-sizing: border-box; }
body { margin: 0; padding: 0 16px; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 16px; top: 16px; background: var(--card); padding: 8px 12px; border-radius: 8px; }
header, nav, main, footer { max-width: 760px; margin-left: auto; margin-right: auto; }
header { display: flex; align-items: center; gap: 12px; padding-top: 24px; }
header img { width: 48px; height: 48px; border-radius: 12px; }
header .brand { color: var(--text); text-decoration: none; font-weight: 800; font-size: 18px; }
nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 16px; padding: 0; margin: 16px 0; }
a { color: var(--link); } a:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; border-radius: 4px; }
main { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 8px 20px 24px; }
@media (max-width: 480px) { main { padding: 4px 16px 16px; } h1 { font-size: 23px; } }
h1 { font-size: 26px; line-height: 1.25; } h2 { font-size: 19px; margin-top: 28px; }
.muted { color: var(--muted); }
table { width: 100%; border-collapse: collapse; font-size: 14px; } th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
footer { padding: 24px 0 40px; color: var(--muted); font-size: 14px; }