/* Sfondo scuro dietro al popup */
.overlay {
  position: fixed;
  top: 0; 
  left: 0;
  width: 100%; 
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none; /* nascosto di default */
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

/* Contenuto del popup */
.popup {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  max-width: 600px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.popup button {
  margin-top: 15px;
  padding: 8px 16px;
  border: none;
  background: #007BFF;
  color: white;
  border-radius: 8px;
  cursor: pointer;
}

.popup button:hover {
  background: #0056b3;
}