(function(){
  function hash(s){let h=0,i;for(i=0;i<s.length;i++){h=((h<<5)-h)+s.charCodeAt(i);h|=0;}return h;}
  const fp = [
    navigator.userAgent,
    screen.width + "x" + screen.height,
    Intl.DateTimeFormat().resolvedOptions().timeZone,
    (navigator.languages||[]).join(","),
    navigator.plugins.length
  ].join("|");
  const fingerprint = hash(fp);
  const now = Date.now();
  const redirect = new URLSearchParams(location.search).get("redirect") || "/";
  const blockedUntil = parseInt(localStorage.getItem("blockedUntil") || "0");
  const lastFP = localStorage.getItem("fingerprint");

  if (now < blockedUntil && lastFP == fingerprint) {
    // محظور بنفس البصمة
    return;
  }

  // السماح والتحقق
  document.cookie = "verified=true; path=/; max-age=500; Secure";
  localStorage.setItem("blockedUntil", now + 30000);
  localStorage.setItem("fingerprint", fingerprint);
  location.href = redirect;
})();