:root{ color-scheme: light dark; }
[data-theme="light"]{ --bg:#f5f5f5; --fg:#111111; }
[data-theme="dark"]{ --bg:#111111; --fg:#eeeeee; }
[data-theme="light"] .site-header .shade{ background: linear-gradient(180deg, rgba(255,255,255,.85), rgba(255,255,255,.6)); }