.ptr-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--font-color, #fff);
}

.ptr-indicator svg {
  display: block;
}

.ptr-indicator .track {
  stroke: rgba(255, 255, 255, 0.25);
}

.ptr-indicator .progress {
  stroke: currentColor;
  transform-origin: 50% 50%;
  transition: stroke-dasharray 120ms ease, transform 120ms ease;
}

.ptr-indicator .spinner {
  animation: ptr-spin 900ms linear infinite;
}

@keyframes ptr-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}