.viewer-exhibit{--exhibit-font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--exhibit-serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;--exhibit-surface: #0c1118;--exhibit-line: #35414c;--exhibit-pad: max(clamp(20px, 3.5vw, 64px), env(safe-area-inset-left), env(safe-area-inset-right));font-family:var(--exhibit-font)}.viewer-exhibit canvas{position:fixed;inset:0}.viewer-scene-space{position:fixed;pointer-events:none;left:calc(var(--hud-right, 390px) + 24px);right:max(var(--exhibit-pad),env(safe-area-inset-right));top:calc(var(--topbar-height, 44px) + max(22px,env(safe-area-inset-top)) + 24px);bottom:calc(var(--transport-height, 78px) + max(45px,env(safe-area-inset-bottom)) + 24px)}.viewer-exhibit [hidden]{display:none!important}.viewer-exhibit :is(button,a,input,summary):focus-visible{outline:2px solid #dce9f2;outline-offset:5px}.viewer-exhibit button{font:inherit;cursor:pointer}.viewer-exhibit #hud-scrim{display:none}.viewer-exhibit #topbar:before{content:none}.viewer-exhibit #topbar{inset:max(22px,env(safe-area-inset-top)) var(--exhibit-pad) auto;display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:24px;z-index:3;font:14px/1.4 var(--exhibit-font);text-shadow:none}.viewer-wordmark{font:25px/1.1 var(--exhibit-serif);color:var(--hud-key);white-space:nowrap}.viewer-nav{display:flex;align-items:center;gap:26px}.viewer-exhibit .viewer-nav .hud-about{padding:10px 0;min-height:auto;text-decoration:none;color:var(--hud-body)}.viewer-nav button{pointer-events:auto;background:var(--exhibit-surface);color:var(--hud-key);border:1px solid var(--exhibit-line);border-radius:6px;min-height:44px;padding:0 17px}.viewer-nav button:hover{background:#1b2630}.viewer-exhibit #hud{left:var(--exhibit-pad);right:auto;bottom:calc(var(--transport-height, 78px) + max(45px,env(safe-area-inset-bottom)) + 24px);width:min(350px,calc(100vw - 2 * var(--exhibit-pad)));max-height:calc(100dvh - 270px);overflow:auto;scrollbar-width:thin;font:14px/1.5 var(--exhibit-font);text-shadow:0 1px 3px rgba(0,0,0,.9);padding:20px 22px;margin-left:-22px;border-radius:8px;background:none}.viewer-exhibit #hud.is-clipped{mask-image:none;-webkit-mask-image:none}.hud-headline{margin:0 0 12px;font:38px/1.08 var(--exhibit-serif);font-weight:400;letter-spacing:-.025em;color:var(--hud-key);max-width:12ch}.hud-deck{margin:0;color:var(--hud-body);max-width:29ch}.viewer-exhibit .hud-quote{font:24px/1.28 var(--exhibit-serif);color:var(--hud-quote);max-width:28ch}.viewer-exhibit .hud-attrib{margin-top:12px;font:12px/1.5 var(--exhibit-font)}.viewer-exhibit .hud-count{margin:23px 0 10px}.viewer-exhibit .hud-count-label{font-size:12px;letter-spacing:0;text-transform:none;margin-bottom:4px}.viewer-exhibit .hud-count-value{font:28px/1.2 var(--exhibit-serif);font-variant-numeric:tabular-nums}.viewer-exhibit .hud-count-compare{display:none}.viewer-exhibit .hud-readouts{color:var(--hud-dim);font-size:12px}.viewer-exhibit .hud-readouts b{font-weight:400;color:var(--hud-body)}.viewer-exhibit #hud a{pointer-events:auto;color:inherit;text-decoration-thickness:1px;text-underline-offset:3px;text-decoration-color:#516371}.viewer-exhibit #hud a:hover{text-decoration-color:currentColor}.hud-layer-status{color:var(--hud-accent);font-size:12px;margin-top:8px}.hud-layer-status:empty{display:none}.viewer-exhibit #transport{position:fixed;z-index:3;left:var(--exhibit-pad);right:var(--exhibit-pad);transform:none;bottom:max(45px,calc(env(safe-area-inset-bottom) + 22px));width:auto;box-sizing:border-box;display:block;padding:15px 18px;border:1px solid var(--exhibit-line);border-radius:10px;background:#0c1118;font:13px/1.3 var(--exhibit-font);color:var(--hud-body)}.transport-row{display:grid;grid-template-columns:155px minmax(0,1fr) 34px 38px;gap:18px;align-items:center}.opening-controls{display:flex;flex-wrap:wrap;align-items:center;gap:4px 16px;margin-top:6px}.opening-controls[data-empty=true]{margin-top:0}.opening-readiness{flex:1 1 240px;max-width:58ch;margin:0;font-size:11px;line-height:1.4;color:var(--hud-dim)}.opening-actions{display:flex;flex-wrap:wrap;gap:6px 12px}.viewer-exhibit :is(.opening-actions button,.retry-data){min-height:44px;font-size:13px;border-radius:5px;background:none;border:1px solid var(--exhibit-line);color:var(--hud-body);padding:0 10px}.viewer-exhibit .retry-data[aria-disabled=true]{cursor:default;opacity:.55}.opening-menu-actions:empty{display:none}.opening-menu-actions .opening-actions{gap:8px;flex-wrap:nowrap}.opening-menu-actions .opening-actions button{flex:1 1 auto}.viewer-exhibit #transport button:disabled{cursor:default;opacity:.55}@media(max-width:700px){.opening-readiness{flex-basis:100%}.opening-actions{width:100%;justify-content:space-between;gap:6px}}.viewer-exhibit #transport[data-compact-guide=true]{padding-block:8px}#transport[data-compact-guide=true] .sweep-caption-description{display:none}#transport[data-compact-guide=true] .sweep-guide{margin-bottom:8px}#transport[data-compact-guide=true] .sweep-layers{margin-top:6px}#transport[data-compact-guide=true] .sweep-intro-premise{font-size:11px}#transport[data-compact-guide=true] .sweep-intro-quote{font-size:15px}.sweep-guide{margin:0 0 14px}.sweep-intro{max-width:54ch}.sweep-intro-premise{margin:0 0 4px;color:var(--hud-body);font:12px/1.4 var(--exhibit-font)}.sweep-intro-quote{margin:0;color:var(--hud-quote);font:18px/1.25 var(--exhibit-serif);animation:cobb-quote-arrive .48s ease-out both}@keyframes cobb-quote-arrive{0%{opacity:.72;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.viewer-exhibit .sweep-intro-source{display:inline-block;margin-top:4px;color:var(--hud-dim);font:11px/1.4 var(--exhibit-font);text-decoration-color:var(--exhibit-line);text-underline-offset:3px}.sweep-captions{display:grid}.sweep-caption{grid-area:1 / 1;opacity:0;transition:opacity .22s ease;pointer-events:none}.sweep-caption[data-active=true]{opacity:1}.sweep-caption-title{color:var(--hud-key);font:20px/1.2 var(--exhibit-serif)}.sweep-caption-description{max-width:48ch;color:var(--hud-body);font-size:12px;line-height:1.5;margin-top:4px}.sweep-layers{display:flex;gap:24px;list-style:none;padding:0;margin:10px 0 0;font-size:11px;line-height:1.5;color:var(--hud-dim)}.sweep-layers li{display:flex;align-items:center;gap:6px;white-space:nowrap}.sweep-layers li[data-status=leaving]{color:var(--hud-key)}.sweep-layers li[data-status=gone]{color:#93b6a8}.sweep-layer-symbol{width:12px;text-align:center;font-size:14px;line-height:1}.sweep-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}@media(prefers-reduced-motion:reduce){.sweep-intro-quote{animation:none}.sweep-caption{transition:none}}.viewer-exhibit .rail-row button{min-height:44px;border-radius:5px;font:13px/1.3 var(--exhibit-font)}.viewer-exhibit #transport .play-button{color:#0c1118;background:#e6f0f7;border:1px solid #e6f0f7;padding:0 12px;font-weight:600}.viewer-exhibit #transport .play-button:hover{background:#fff}.viewer-exhibit #transport .replay-button{background:none;border-color:transparent;padding:0;font-size:24px;color:var(--hud-body)}.timeline-track{min-width:0}.timeline-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--hud-body)}.viewer-exhibit .rail-row input[type=range]{appearance:none;-webkit-appearance:none;height:28px;width:100%;min-width:0;margin:0;background:transparent;cursor:pointer}.viewer-exhibit .rail-row input[type=range]::-webkit-slider-runnable-track{height:3px;border-radius:2px;background:linear-gradient(to right,#dce9f2 var(--progress, 0%),#43505e var(--progress, 0%))}.viewer-exhibit .rail-row input[type=range]::-moz-range-track{height:3px;background:#43505e;border-radius:2px}.viewer-exhibit .rail-row input[type=range]::-moz-range-progress{height:3px;background:#dce9f2}.viewer-exhibit .rail-row input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:13px;height:13px;border:2px solid #0c1118;border-radius:50%;background:#e6f0f7;margin-top:-5px}.viewer-exhibit .rail-row input[type=range]::-moz-range-thumb{width:10px;height:10px;border:2px solid #0c1118;border-radius:50%;background:#e6f0f7}.viewer-exhibit .transport-time{font-size:11px;font-variant-numeric:tabular-nums}.viewer-gestures{position:fixed;bottom:max(15px,env(safe-area-inset-bottom));left:0;right:0;text-align:center;font:11px/1.4 var(--exhibit-font);color:var(--hud-dim);pointer-events:none}.viewer-gestures[data-quality-limit=true]{color:var(--hud-body)}.viewer-exhibit #explore-dialog{color-scheme:dark;box-sizing:border-box;width:min(480px,calc(100vw - 32px));max-height:calc(100dvh - 48px);margin:auto max(24px,4vw) auto auto;padding:26px;border:1px solid var(--exhibit-line);border-radius:12px;background:#0c1118;color:var(--hud-body);font:14px/1.55 var(--exhibit-font);scrollbar-width:thin}#explore-dialog::backdrop{background:#00000061}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:15px}.dialog-heading h2{margin:0;font:28px/1.15 var(--exhibit-serif);color:var(--hud-key)}.dialog-close{color:var(--hud-body);border:1px solid var(--exhibit-line);background:none;border-radius:5px;min-height:44px;padding:0 12px}.layer-control{display:flex;align-items:center;gap:24px;padding:18px 0;cursor:pointer;border-bottom:1px solid #28323d}.layer-copy{flex:1}.layer-title{display:block;color:var(--hud-key);font-weight:500;margin-bottom:4px}.layer-description{display:block;font-size:12px;color:var(--hud-dim)}.layer-control input{width:22px;height:22px;accent-color:#dce9f2;flex-shrink:0;cursor:pointer}.dialog-note{font-size:12px;color:var(--hud-dim);margin:14px 0 26px}.dialog-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin-top:24px}.dialog-actions a{color:var(--hud-body);min-height:44px;display:inline-flex;align-items:center}.fullscreen-status{color:var(--hud-dim);font-size:12px}.comparison-section{margin-top:22px}.comparison-section h3{font:22px/1.2 var(--exhibit-serif);color:var(--hud-key);margin:0 0 15px}.viewer-exhibit .hud-finding{margin:0 0 22px}.viewer-exhibit .hud-finding-result{margin-top:8px}.viewer-exhibit .hud-finding-stats{margin-top:10px;line-height:1.6}.viewer-exhibit .hud-finding-link{margin-top:10px;font-size:12px}.comparison-section .rail-row{display:grid;grid-template-columns:1fr 1fr;gap:0 8px}.comparison-section .rail-row input{grid-column:1 / -1;grid-row:2}.comparison-section .hud-accent{text-align:right}.comparison-section .rail-caption{margin-top:8px;font-size:12px}.viewer-exhibit .keyboard-details{margin-top:28px;padding-top:18px;border-top:1px solid #28323d}.keyboard-details summary{cursor:pointer;color:var(--hud-key);min-height:30px}.viewer-exhibit .hud-keys{columns:1;font-size:12px}.viewer-exhibit .hud-keys-title{text-transform:none;letter-spacing:0;font-size:12px}.viewer-exhibit .hud-keys-row{margin:7px 0}@media(pointer:coarse){.viewer-exhibit .rail-row input[type=range]{height:44px}.viewer-exhibit .rail-row input[type=range]::-webkit-slider-thumb{width:24px;height:24px;margin-top:-10.5px}.viewer-exhibit .rail-row input[type=range]::-moz-range-thumb{width:20px;height:20px}}@media(max-width:700px),(max-width:900px)and (orientation:portrait){.viewer-exhibit #topbar{flex-wrap:wrap;gap:8px;top:max(18px,env(safe-area-inset-top))}.viewer-wordmark{font-size:22px}.viewer-nav{gap:15px}.viewer-exhibit .viewer-nav .hud-about{font-size:12px}.viewer-nav button{font-size:12px;padding:0 10px}.viewer-exhibit #hud{bottom:calc(var(--transport-height, 130px) + max(45px,env(safe-area-inset-bottom)) + 20px);padding:12px 0;margin-left:0;width:calc(100vw - 2 * var(--exhibit-pad));background:none;max-height:calc(100dvh - 270px)}.hud-headline{font-size:30px;max-width:17ch;margin-bottom:8px}.viewer-exhibit .hud-story{--story-height: 144px;position:fixed;top:calc(var(--topbar-height, 76px) + max(18px,env(safe-area-inset-top)) + 24px);left:max(var(--exhibit-pad),env(safe-area-inset-left));right:max(var(--exhibit-pad),env(safe-area-inset-right));height:var(--story-height)}.viewer-exhibit .hud-introduction,.viewer-exhibit .hud-quote{position:static}.viewer-scene-space{left:max(var(--exhibit-pad),env(safe-area-inset-left));top:calc(var(--topbar-height, 76px) + max(18px,env(safe-area-inset-top)) + 24px + 144px + 12px);bottom:calc(100dvh - var(--hud-top, 560px) + 14px)}.hud-deck{font-size:13px;max-width:36ch}.viewer-exhibit .hud-quote{font-size:19px;max-width:34ch}.viewer-exhibit .hud-count{margin-top:16px;margin-bottom:6px}.viewer-exhibit .hud-count-value{font-size:25px}.viewer-exhibit .hud-readouts{display:flex;flex-wrap:wrap;gap:3px 14px;font-size:11px}.viewer-exhibit #transport{padding:12px 14px}.viewer-exhibit #transport .transport-row{grid-template-columns:minmax(0,1fr) 40px;gap:4px 12px}.viewer-exhibit .hud-story{display:none}.viewer-scene-space{top:calc(var(--topbar-height, 76px) + max(18px,env(safe-area-inset-top)) + 20px)}.sweep-caption-title{font-size:19px}.sweep-layers{justify-content:space-between;gap:8px;font-size:10px}.sweep-layers li{gap:4px}.viewer-exhibit #transport .play-button{grid-column:1;grid-row:1;justify-self:start;padding:0 14px}.timeline-track{grid-column:1;grid-row:2}.viewer-exhibit .transport-time{grid-column:2;grid-row:2;text-align:center}.viewer-exhibit #transport .replay-button{grid-column:2;grid-row:1}.viewer-exhibit #explore-dialog{margin:auto auto max(16px,env(safe-area-inset-bottom));padding:22px}}@media(max-width:400px){.viewer-exhibit #topbar{display:grid;grid-template-columns:1fr}.viewer-nav{justify-content:space-between}}@media(max-width:700px)and (max-height:700px){.viewer-exhibit .hud-quote,.viewer-exhibit .hud-deck{display:none}.hud-headline{font-size:25px}.viewer-exhibit #hud{bottom:calc(var(--transport-height, 130px) + max(45px,env(safe-area-inset-bottom)) + 10px);padding:6px 0}.viewer-exhibit .hud-count{margin:0 0 4px}.viewer-exhibit .hud-count-value{font-size:22px}.viewer-exhibit .hud-readouts{font-size:10px}.viewer-exhibit .hud-layer-status{font-size:10px;margin-top:4px}.viewer-exhibit .hud-story{--story-height: 72px}.viewer-scene-space{top:calc(var(--topbar-height, 76px) + max(18px,env(safe-area-inset-top)) + 16px)}}@media(max-width:700px)and (max-height:600px){.viewer-exhibit .hud-story{display:none}.viewer-scene-space{top:calc(var(--topbar-height, 76px) + max(18px,env(safe-area-inset-top)) + 16px)}}@media(max-width:700px)and (max-height:600px)and (orientation:portrait){.viewer-exhibit #hud{display:none}.viewer-scene-space{bottom:calc(var(--transport-height, 238px) + max(45px,env(safe-area-inset-bottom)) + 24px)}}@media(max-height:560px)and (min-width:701px){.viewer-exhibit #hud{bottom:128px;max-height:calc(100dvh - 200px)}.hud-headline{font-size:28px}.viewer-exhibit .hud-quote{font-size:19px}.viewer-exhibit .hud-count{margin-top:12px}.viewer-exhibit .hud-deck{display:none}}@media(max-height:500px){.viewer-exhibit .hud-introduction,.viewer-exhibit .hud-quote{display:none}.viewer-exhibit #hud{bottom:135px;max-height:calc(100dvh - 220px)}.viewer-exhibit .hud-count{margin-top:0}}@media(max-height:500px)and (orientation:landscape){.viewer-exhibit #topbar{display:flex;flex-wrap:nowrap;top:max(14px,env(safe-area-inset-top));gap:16px}.viewer-wordmark{font-size:20px}.viewer-nav{gap:14px}.viewer-exhibit .viewer-nav .hud-about{font-size:12px}.viewer-exhibit #transport{padding:6px 12px;bottom:max(32px,env(safe-area-inset-bottom))}.viewer-exhibit #transport .transport-row{grid-template-columns:140px minmax(0,1fr) 32px 36px;gap:12px}.sweep-guide{margin-bottom:8px;display:flex;align-items:center;justify-content:space-between;gap:14px}.sweep-captions{flex:1}.sweep-caption-title{font-size:16px}.sweep-caption-description{font-size:11px;margin-top:2px}.sweep-layers{gap:8px;margin-top:0}.sweep-layers li{gap:3px;font-size:10px}.viewer-exhibit #transport :is(.play-button,.timeline-track,.transport-time,.replay-button){grid-column:auto;grid-row:auto}.viewer-exhibit #transport .play-button{padding:0 10px}.timeline-labels{display:none}.viewer-gestures{bottom:max(8px,env(safe-area-inset-bottom))}.viewer-exhibit #hud{width:210px;margin-left:0;padding:0;bottom:calc(var(--transport-height, 58px) + max(32px,env(safe-area-inset-bottom)) + 24px);max-height:calc(100dvh - 170px)}.viewer-exhibit .hud-story{display:none}.viewer-exhibit .hud-count-value{font-size:24px}.viewer-scene-space{left:calc(var(--hud-right, 240px) + 20px);top:calc(var(--topbar-height, 44px) + max(14px,env(safe-area-inset-top)) + 12px);bottom:calc(var(--transport-height, 58px) + max(32px,env(safe-area-inset-bottom)) + 12px)}}@media(max-height:500px)and (max-width:700px)and (orientation:landscape){.sweep-guide{display:block}.sweep-caption-description{display:none}.sweep-layers{margin-top:5px;justify-content:flex-start;gap:18px}}@media(min-width:1100px)and (min-height:501px){.viewer-exhibit #transport{display:grid;grid-template-columns:minmax(18rem,24rem) minmax(0,1fr);column-gap:clamp(24px,2.5vw,40px);row-gap:8px;align-items:center}#transport>.sweep-guide{grid-column:1;grid-row:1 / 3;margin:0;min-width:0}#transport>.transport-row{grid-column:2;grid-row:1;min-width:0;grid-template-columns:155px minmax(0,1fr) 34px 44px}#transport>.opening-controls{grid-column:2;grid-row:2;min-width:0;margin-top:0;justify-content:flex-end}}