/* Loading Spinner Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Spinner Animation */
.spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid #ef4444;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Loading Text */
.loading-text {
  position: absolute;
  top: 60%;
  color: white;
  font-size: 16px;
  font-weight: 500;
  margin-top: 20px;
}

/* Prevent scrolling when loading */
body.loading {
  overflow: hidden;
}