Block Stack

'use client'import { useEffect, useRef } from 'react'import { cn } from '@/lib/utils'export type BlockStackProps = {  cellSize?: number  gap?: number  radius?: number  palette?: string[]  boardColor?: string  dropSpeed?: number  laneWidth?: number  ghost?: boolean  seed?: number  children?: ReactNode  className?: string}export function BlockStack({  cellSize = 14,  gap = 2,  radius = 0.35,  palette,  boardColor,  dropSpeed = 7,  laneWidth = 12,  ghost = false,  seed = 7,  children,  className,}: BlockStackProps) {  const ref = useRef<HTMLDivElement>(null)  useEffect(() => {    const el = ref.current    if (!el) return  }, [])  return <div ref={ref} className={cn('relative', className)} />}