#popup-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.7);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

#popup-content {
  position: relative;
}

#popup-content img {
  max-width: 90vw;
  max-height: 90vh;
  cursor: pointer;
  border: 4px solid white;
  border-radius: 8px;
  width: auto;
  height: auto;
}

/* Icona di chiusura */
#popup-close {
  position: absolute;
  top: -10px;
  right: -10px;
  background: white;
  color: black;
  font-size: 24px;
  font-weight: bold;
  border-radius: 50%;
  padding: 4px 10px;
  cursor: pointer;
  box-shadow: 0 0 5px rgba(0,0,0,0.5);
}