/* Loader overlay: copre tutta la pagina e mostra uno spinner animato */
#sv-loader {
  position: fixed;
  z-index: 9999;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: saturate(180%) blur(20px); /* Effetto blur */
  -webkit-backdrop-filter: saturate(180%) blur(20px); /* Per Safari */
}

.sv-spinner {
  border: 4px solid transparent;
  border-left-color: #009246;
  border-bottom-color: #fff;
  border-right-color: #ce2b37;
  border-radius: 50%;
  width: 80px;
  height: 80px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg);}
  100% { transform: rotate(360deg);}
}