/* Back to Top Button */
#backToTop {
  display: none; /* مخفي افتراضيًا */
  position: fixed; 
  bottom: 40px;
  right: 40px;
  z-index: 1000; 
  background-color: #0077b6;
  border: none;
  padding: 12px;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: opacity 0.3s;
}
#backToTop:hover {
  opacity: 0.8;
}
#backToTop img {
  display: block;
  width: 20px;
  height: 20px;
}