/* Loader Overlay */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #ffffff; /* Full white background */
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  transition: opacity 2s ease; /* Smooth fade */
}

/* Fade in */
#loader.fade-in {
  opacity: 1;
  pointer-events: all;
}

/* Fade out */
#loader.fade-out {
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s ease;
}

/* Spinner */
.spinner {
  border: 8px solid #f3f3f3;
  border-top: 8px solid #007bff;
  border-radius: 50%;
  width: 80px;
  height: 80px;
  animation: spin 1s linear infinite;
}

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