.tu-xweb-processing-overlay {
  position: fixed !important;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  display: none; /* toggled to flex when active */
  justify-content: center;
  align-items: center;
  z-index: 2147483647; /* sit above any theme/admin bars */
}

.tu-xweb-processing-message {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 4px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  max-width: 320px;
}

.tu-xweb-spinner {
  border: 3px solid #f3f3f3;
  border-top: 3px solid #0073aa; /* WP admin blue or theme primary */
  border-radius: 50%;
  width: 32px;
  height: 32px;
  animation: tu-xweb-spin 1s linear infinite;
  margin: 0 auto 14px;
}

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

.tu-xweb-processing-text {
  font-weight: 700;
  color: #333;
  margin-bottom: 6px;
}

.tu-xweb-processing-subtext {
  font-size: 14px;
  color: #666;
}