.snk{position:absolute;pointer-events:none;z-index:4;opacity:0;transition:opacity .12s;overflow:visible}
.snk.on{opacity:1}
.snk-r{fill:none;stroke:var(--teal,#006775);stroke-width:3;stroke-linecap:round;stroke-dasharray:22 78;animation:snk 1.2s linear infinite}
@keyframes snk{to{stroke-dashoffset:-100}}
canvas.snk-dim{opacity:.6;transition:opacity .12s}
@media (prefers-reduced-motion:reduce){.snk-r{animation-duration:3s}}