/* 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 */
  opacity: 1;
  transition: opacity 0.1s ease-in-out;
  pointer-events: all;
  overflow: hidden;
  touch-action: none;
}

#sv-loader.fade-out {
  opacity: 0;
}

.sv-spinner {
  width: 140px;
  height: 140px;
  border: 4px solid transparent;
  border-left-color: #009246;
  border-bottom-color: #fff;
  border-right-color: #ce2b37;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.sv-loader-logo {
    position: absolute;
    width: 100px;
    height: 100px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0px 1px 2px black);
    object-fit: contain;
    pointer-events: none;
    opacity: 0;
}

.sv-loader-logo.fadein {
  animation: fadein 0.2s ease-in-out forwards;
}

.sv-loader-logo.fadeout {
  animation: fadeout 0.2s ease-in-out forwards;
}

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

@keyframes fadein {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

@keyframes fadeout {
  from { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  to   { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
}