:root{color-scheme:light dark;--bg: light-dark(#ffffff, #121212);--text: light-dark(#1a1a1a, #e6e6e6);--link: light-dark(#0b57d0, #8ab4f8)}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,sans-serif;line-height:1.6}a{color:var(--link)}a:focus-visible{outline:2px solid var(--link);outline-offset:2px}