import React, { useState } from 'react'; const Background = () => { const [particles] = useState(() => Array.from({ length: 15 }).map((_, i) => ({ id: i, left: `${Math.random() * 100}%`, delay: `${Math.random() * 5}s`, duration: `${15 + Math.random() * 10}s`, size: `${Math.random() * 20 + 5}px`, }))); return ( <>