refactor: extract grid background

apps/client/app/components/grid-background.tsx

@@ -0,0 +1,25 @@
+import type { ReactNode } from "react";
+import { cn } from "~/lib/utils";
+
+interface GridBackgroundProps {
+	children: ReactNode;
+	className?: string;
+	containerClassName?: string;
+}
+
+export function GridBackground({ children, className, containerClassName }: GridBackgroundProps) {
+	return (
+		<div
+			className={cn(
+				"relative min-h-dvh w-full overflow-x-hidden",
+				"[background-size:20px_20px] sm:[background-size:40px_40px]",
+				"[background-image:linear-gradient(to_right,#e4e4e7_1px,transparent_1px),linear-gradient(to_bottom,#e4e4e7_1px,transparent_1px)]",
+				"dark:[background-image:linear-gradient(to_right,#262626_1px,transparent_1px),linear-gradient(to_bottom,#262626_1px,transparent_1px)]",
+				containerClassName,
+			)}
+		>
+			<div className="pointer-events-none absolute inset-0 flex items-center justify-center bg-white [mask-image:radial-gradient(ellipse_at_center,transparent_20%,black)] dark:bg-card" />
+			<div className={cn("relative h-screen", className)}>{children}</div>
+		</div>
+	);
+}