uc-progress-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

uc-progress-bar .uc-progress {
  width: calc(var(--l-width) * 1%);
  height: 100%;
  background-color: var(--uc-primary);
  transform: translateX(0);
  opacity: 1;
  transition:
    width 0.6s,
    opacity 0.3s;
}

uc-progress-bar .uc-progress--hidden {
  opacity: 0;
}