.registration-step4__iframe-wrapper {
  position: relative;
  min-height: 700px;
}

.registration-step4__iframe {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.registration-step4__iframe--loaded {
  opacity: 1;
}

.registration-step4__loader {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.registration-step4__loader--hidden {
  display: none;
}

.registration-step4__spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #e0e0e0;
  border-top-color: #0073e6;
  border-radius: 50%;
  animation: registration-spin 0.8s linear infinite;
}

.registration-step4__loader-text {
  margin: 0;
  font-size: 0.95rem;
  color: #555;
}

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