/* Overlay semitransparente */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
}

/* Contenedor del iframe */
.modal-container {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 80%;
  height: 80%;
  max-width: 900px;
  max-height: 600px;
  transform: translate(-50%, -50%);
  background: #fff;
  z-index: 9999;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
  overflow: hidden;
  border-radius: 4px;
}

/* Botón cerrar */
.modal-close {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 1.5rem;
  color: #333;
  cursor: pointer;
  z-index: 10000;
}