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@media(min-width:1550px){.lab-shell{grid-template-columns:260px minmax(0,1fr)}.scenario-sidebar{padding:25px 18px}.scenario-button{padding:13px;font-size:1rem}.scene-wrap{min-height:650px}}
@media(max-width:1050px){.urban-lab{padding:20px 20px 0}.lab-shell{grid-template-columns:205px minmax(0,1fr)}.scenario-sidebar{padding:18px 10px}.scenario-button{font-size:.875rem;padding:11px 8px;gap:8px}.scene-wrap{height:570px}.scene-legend{bottom:97px;max-width:205px;left:16px}.camera-controls{bottom:34px}.gesture-hint{bottom:10px}.scene-badge{left:18px;max-width:62%}.scene-badge strong{font-size:1rem}.city-switch button{min-width:170px;padding:12px 17px}.scene-explanation{gap:24px}.playback-bar{gap:8px;padding:10px 12px}.stage-controls button{padding:7px 9px}.adapt-button{padding:9px 10px}.pause-button{padding:9px}.pause-button span{display:none}}
@media(max-width:760px){.site-header{height:auto}.urban-lab{padding:22px 14px 0}.lab-heading{display:block;margin-bottom:15px}.lab-heading h1{font-size:1.7rem}.city-switch{margin-top:17px;width:100%}.city-switch button{flex:1;min-width:0;padding:12px 14px}.city-switch span{font-size:.9375rem}.lab-shell{display:flex;flex-direction:column}.scenario-sidebar{padding:13px 14px;display:block}.sidebar-heading,.sidebar-bottom,.scenario-buttons{display:none}.mobile-scenario-label{display:block;color:#b1d2df;font-size:.75rem;margin-bottom:6px;letter-spacing:.03em}#scenario-select{display:block;width:100%;border:1px solid #58788b;color:white;background:#1e465c;padding:10px 13px;border-radius:6px;font-size:1rem}.scene-wrap{height:510px;min-height:440px}.scene-badge{left:15px;top:16px;max-width:63%}.scene-badge strong{font-size:.9375rem}.scene-badge>span{font-size:.75rem}.scene-top-actions{right:12px;top:12px;gap:4px}.scene-top-actions button{font-size:.875rem;padding:5px 8px}.scene-top-actions button:last-child{padding:3px 8px}.scene-legend{left:12px;bottom:82px;padding:10px 11px;max-width:210px}.legend-title{font-size:.75rem;margin-bottom:4px}.legend-item{font-size:.75rem}.legend-note{font-size:.75rem}.camera-controls{left:12px;right:auto;bottom:30px}.camera-controls button{font-size:.875rem;padding:6px 9px}.gesture-hint{left:14px;right:auto;font-size:.75rem;bottom:8px}.world-label{font-size:.75rem;padding:6px 7px;max-width:140px}.world-label b{font-size:.75rem;width:16px;height:16px;margin-right:4px}.scene-popover{top:70px;right:12px;left:12px;max-width:none;padding:18px 25px 18px 18px}.scene-popover p{font-size:1rem}.playback-bar{padding:11px;gap:8px;justify-content:space-between}.stage-controls{gap:0}.stage-controls button{font-size:.875rem;padding:7px 9px}.pause-button{font-size:.875rem;padding:8px 11px}.adapt-button{font-size:.875rem;padding:10px;margin:0}.scene-footnote{font-size:.75rem;margin:10px 3px 0}.scene-explanation{padding:28px 0;grid-template-columns:1fr;gap:22px}.scene-explanation h2{font-size:1.6rem}.scene-explanation .lead{max-width:none}.scene-cause-grid{gap:20px}.cause-card p{font-size:1rem}.scenario-measures{grid-template-columns:1fr;gap:10px}.scenario-measure{padding:18px 20px}.scenario-measure p{font-size:1rem}.reference-guide>summary{display:block}.reference-guide>summary small{display:block;margin-top:8px}.focused-measures{padding:25px 0 30px}.scene-wrap.expanded{height:100dvh}.scene-wrap.expanded .scene-legend{bottom:95px}.scene-wrap.expanded .camera-controls{bottom:43px}.scene-wrap.expanded .gesture-hint{bottom:19px}}
@media(max-width:380px){.stage-controls button{padding:7px}.adapt-button{padding:9px 7px}.scene-cause-grid{grid-template-columns:1fr}.scene-wrap{height:470px}.playback-bar{gap:5px}.pause-button{padding:8px}.scene-legend{bottom:82px}}
@media(prefers-reduced-motion:reduce){.loader-ring{animation:none}}
.scene-is-expanded{overflow:hidden}.local-context{font-size:.875rem;color:#567382;margin-top:14px;line-height:1.6}.scene-caution{font-size:.875rem;color:#496775;border-left:2px solid #96b8c8;margin-top:19px;padding-left:12px;line-height:1.6}.accessible-labels{margin-top:13px;color:#456475;font-size:.875rem}.accessible-labels summary{font-weight:600;padding:5px 0}.accessible-labels summary:after{content:" +"}.accessible-labels[open] summary:after{content:" −"}.accessible-labels p{margin-top:10px;line-height:1.6}.accessible-labels strong{color:#1d596a}.stage-controls button:disabled{opacity:.5;cursor:default}.source-integrity p+p{margin-top:12px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.scene-wrap{flex:1 0 auto}.playback-bar{flex:0 0 auto}

.world-label{max-width:210px}@media(max-width:760px){.world-label{max-width:170px}}