@keyframes progress-indeterminate {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(200%);
    }
}

[data-scope='progress'][data-part='range'][data-state='indeterminate'] {
    width: 50%;
    transition: none;
    animation: progress-indeterminate 1s ease-in-out infinite;
}