/* Only the scene bounds live here; the engine owns each slot transform. */
#chapter-01 .shelf-wrap{position:absolute;left:50%;top:0;right:auto;bottom:auto;width:100vw;height:100svh;min-height:0;margin:0;transform:translateX(-50%);overflow:hidden;perspective:none}
#chapter-01 .program-shelf{position:absolute;inset:0;width:100%;height:100%;transform:none!important;perspective:none;transform-style:flat}
#chapter-01 .shelf-card{position:relative;left:0;top:0;width:100%;height:100%;aspect-ratio:auto;transform:none;transition:none;opacity:1}
#chapter-01 .shelf-guide,#chapter-01 .shelf-floor{display:none}
#chapter-01 .shelf-rail-pause{right:64px;bottom:72px}