[data-draw-phase="drawing"] [data-number-line]{position:relative;overflow:hidden}
[data-draw-phase="drawing"] [data-number-line]::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,transparent,currentColor,transparent);opacity:.10;animation:compactDrawSweep 1.7s ease-in-out infinite}
@keyframes compactDrawSweep{from{transform:translateX(-100%)}to{transform:translateX(100%)}}
@media(prefers-reduced-motion:reduce){[data-draw-phase="drawing"] [data-number-line]::after{display:none;animation:none}}