:root{
--daycycle:color-mix(in oklch, var(--bg-night) 8%, var(--bg-day) 92%);
--weekday-tone:var(--daycycle);
}
@supports (color: oklch(from red l c h)) {
:root{--weekday-tone:oklch(from var(--daycycle) min(l, 0.94) 0.045 25)}
}
body{background:linear-gradient(to bottom, var(--daycycle), var(--weekday-tone))}