.month [data-day-of-month="1"]:nth-child(n+30),.month [data-day-of-month="1"]:nth-child(n+30)~.calendar-day{background-color:var(--color-default-background-50);--color-foreground:var(--color-default-foreground-500);--color-caption:var(--color-default-foreground-500);--color-preamble:var(--color-default-foreground-500);color:var(--color-default-foreground-500)}.month .calendar-day:has(~[data-day-of-month="1"]):not([data-day-of-month="1"]~.calendar-day):not([data-day-of-month="1"]){background-color:var(--color-default-background-50);--color-foreground:var(--color-default-foreground-500);--color-caption:var(--color-default-foreground-500);--color-preamble:var(--color-default-foreground-500);color:var(--color-default-foreground-500)}