Fix calendar hover background

The calendar's hover background was transparent; this commit addresses that issue.

src/components/ui/tooltip.tsx

@@ -1,3 +1,4 @@
+
 import * as React from "react"
 import * as TooltipPrimitive from "@radix-ui/react-tooltip"
 
@@ -17,7 +18,7 @@ const TooltipContent = React.forwardRef<
     ref={ref}
     sideOffset={sideOffset}
     className={cn(
-      "z-50 overflow-hidden rounded-md border bg-popover px-3 py-1.5 text-sm text-popover-foreground shadow-md animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+      "z-50 overflow-hidden rounded-md bg-white border px-3 py-1.5 text-sm text-neutral-800 shadow-md animate-in fade-in-50 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 duration-200",
       className
     )}
     {...props}