.reading-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:50;pointer-events:none}.reading-progress-bar{height:100%;width:100%;transform:scaleX(var(--scroll-progress, 0));transform-origin:left;background:var(--color-accent);transition:transform 80ms linear}@media(prefers-reduced-motion:reduce){.reading-progress-bar{transition:none}}