/* 通用页面加载遮罩层样式模块 */
.loading-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: #f8fafc;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  transition: opacity 0.3s ease;
  opacity: 1;
}

.loading-overlay.hidden {
  opacity: 0;
}

.loading-spinner {
  width: 40px; height: 40px;
  border: 4px solid #e2e8f0;
  border-top: 4px solid #43cea2;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-text {
  color: #334155;
  font-weight: 600;
}