.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(255,255,255,1);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}
.loading-overlay.show {
  opacity: 1;
  pointer-events: all;
}
.loading-logo {
  width: 120px;
  height: 120px;
  animation: fadeInOut 2s infinite;
  display: flex;
  align-items: center;
  justify-content: center;
}
@keyframes fadeInOut {
  0% { opacity: 0; transform: scale(0.9);}
  20% { opacity: 1; transform: scale(1);}
  80% { opacity: 1; transform: scale(1);}
  100% { opacity: 0; transform: scale(0.9);}
}