:root{--viewport-ratio:16 / 9;--viewport-ratio-narrow:4 / 3;--ticker-label:"VTS"}.viewport{background:#121827;cursor:grab}.viewport:active{cursor:grabbing}canvas{cursor:inherit}.mirror{position:absolute;top:10px;left:50%;z-index:1;width:clamp(150px,26%,300px);aspect-ratio:3/1;transform:translateX(-50%);border:2px solid rgba(20,22,30,.92);border-radius:10px;box-shadow:0 0 0 1px hsla(0,0%,100%,.12),0 6px 18px rgba(0,0,0,.45);pointer-events:none}.mirror span{position:absolute;bottom:3px;right:8px;font-family:var(--font-mono);font-size:.55rem;letter-spacing:1.2px;text-transform:uppercase;color:hsla(0,0%,100%,.55)}@media (max-width:520px){.mirror{width:38%;top:6px}}