#loading-spinner {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.95);
  z-index: 2000;
  pointer-events: all;
}

#loading-spinner.hidden {
  display: none;
}

#loading-spinner .spinner {
  width: 48px;
  height: 48px;
  border: 6px solid rgba(15, 23, 42, 0.1);
  border-top-color: #2563eb;
  border-radius: 50%;
  animation: spinner-rotate 1s linear infinite;
}

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