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(height<=619px) and (width>=601px){:root{--header-height:44px;--gutter:4.2vw}.site-header{height:44px}.site-header>nav{gap:20px;font-size:11px}.chapter-location{gap:7px;font-size:9px}#chapter-name{margin-left:7px;font-size:11px}.scene{height:100svh;min-height:0}.scene-heading,.scene[data-chapter]:not([data-chapter="0"]) .scene-heading{width:54%;top:14%}.scene-heading h1{font-size:min(14.2vw,17vh);line-height:1.03}.scene-heading p{letter-spacing:0;margin-top:8px;font-size:14px;line-height:1.2}.scene[data-chapter]:not([data-chapter="0"]) .scene-heading h1{max-width:none;font-size:clamp(24px,4vw,32px);line-height:1.05}.scene[data-chapter]:not([data-chapter="0"]) .scene-heading p{max-width:none;margin-top:6px;font-size:11px;line-height:1.3}.scene[data-chapter="5"]:not([data-chapter="0"]) .scene-heading{width:85%}.scene-caption{width:36%;max-width:38rem;bottom:22%}.scene-caption>p:first-child{max-width:none;font-size:13px;line-height:1.3}.live-explanation{margin-top:5px;font-size:8px;line-height:1.4}.end-facts{margin-top:6px;font-size:8px;line-height:1.5}.delivery-controls{gap:4px 13px;bottom:4%}.primary-button{gap:10px;min-height:40px;padding:10px 13px;font-size:11px}.primary-button svg{width:17px;height:17px}.icon-button{width:30px;height:40px;padding:6px}.explore-link{width:auto;min-height:32px;margin-left:0;font-size:10px}.transport-meta{gap:5px;width:auto;max-width:47%;margin-left:auto;font-size:7px}.transport-meta .text-button{min-height:28px;margin-left:8px;font-size:9px}.clock{min-width:42px;font-size:7px}#new-round{max-width:none;min-height:32px;margin-left:0;font-size:10px}.route-controls{top:12%;right:var(--gutter);width:29%;max-width:400px;left:auto}.channel-switches{flex-direction:column;gap:5px}.channel-button{min-height:34px;padding:6px 8px;font-size:10px}.speed-control{margin-top:7px;font-size:9px}.range-labels{font-size:8px}.ack-control{top:12%;right:var(--gutter);width:31%;left:auto}.outline-button{min-height:36px;padding:8px 12px;font-size:10px}.ack-control p{max-width:none;font-size:9px;line-height:1.4}.receiver-display .endpoint-label span{margin-left:0;display:block}.gap-focus{min-height:24px;margin-top:4px}.gap-mark{width:18px;height:16px}.scene[data-ready=false] #sculpture{display:block}.scene[data-ready=false] .fallback-mobile{display:none}}