"use client";

import { useEffect, useState } from "react";

export function ScrollProgress() {
  const [w, setW] = useState(0);
  useEffect(() => {
    const onScroll = () => {
      const h = document.documentElement;
      const scrolled = (h.scrollTop / (h.scrollHeight - h.clientHeight)) * 100;
      setW(Number.isFinite(scrolled) ? scrolled : 0);
    };
    onScroll();
    window.addEventListener("scroll", onScroll, { passive: true });
    return () => window.removeEventListener("scroll", onScroll);
  }, []);
  return (
    <div className="pointer-events-none fixed left-0 top-0 z-[60] h-[2px] w-full">
      <div className="h-full bg-[#6d5ef0] transition-[width] duration-100" style={{ width: `${w}%` }} />
    </div>
  );
}