/* ========== GLOBAL LOADING OVERLAY ========== */
#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 99999;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
#loading-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  cursor: wait;
}

/* Spinner dairesi */
#loading-overlay .spinner {
  width: 48px;
  height: 48px;
  border: 4px solid #e0e0e0;
  border-top-color: #2C3832;
  border-radius: 50%;
  animation: loading-spin 0.8s linear infinite;
}

@keyframes loading-spin {
  to { transform: rotate(360deg); }
}