.tf-reading-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:60;pointer-events:none;opacity:0;transition:opacity var(--tf-motion-base) var(--tf-ease-standard)}.tf-reading-progress-active{opacity:1}.tf-reading-progress-bar{height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;background:linear-gradient(90deg,var(--tf-color-teal) 0%,var(--tf-color-gold-bright) 100%);box-shadow:0 0 12px #057f8973;will-change:transform}