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(min-width:769px){:root{--stage-rail:358px;--panel-width:320px}.controls-panel{right:20px}.panel-header{gap:6px}.tab{padding:6px}.intro-card{width:265px;padding:18px;left:24px}.gallery-footer>span{display:none}.playback-dock .btn{padding:0 10px}.playback-dock .transport-play{min-width:78px}.insights-strip{left:24px}}@media (max-height:700px) and (min-width:769px){.intro-card{left:auto;right:calc(var(--stage-rail) + 24px);bottom:calc(135px + var(--dock-timeline));width:265px;padding:18px}}@media (max-width:768px){:root,html[data-panel=visible]{--stage-rail:0px;--sheet-height:0px;--dock-timeline:32px}html[data-sheet=middle]{--sheet-height:min(47dvh, 430px)}html[data-sheet=full]{--sheet-height:78dvh}html[data-panel=hidden]{--sheet-height:0px}#canvas-container{bottom:var(--sheet-height)}.gallery-topbar{top:max(20px, env(safe-area-inset-top));gap:8px}.gallery-brand{gap:9px}.topbar-actions .share-world{width:40px;padding:0;font-size:0}.share-world .icon{width:17px;height:17px}.topbar-actions 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