/* 풀스크린 로딩 오버레이 스타일 */
.fullscreen-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 99999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.3s ease;
}

.fullscreen-loading-overlay.progress-is-hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-content {
  text-align: center;
  color: white;
  background: rgba(0, 0, 0, 0.9);
  padding: 40px;
  border-radius: 10px;
  min-width: 300px;
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid #4285F4;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

.loading-message {
  font-size: 18px;
  margin-bottom: 20px;
  font-weight: bold;
}

.loading-progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  overflow: hidden;
}

.loading-progress-fill {
  height: 100%;
  background: #4285F4;
  width: 0%;
  transition: width 0.3s ease;
}

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