/* Clear instructional surfaces within the monochrome editorial frame. */
:root{--panel:#fbfbf8;--soft:#e9e9e2;--ink:#202020;--inverse:#fafaf7;--border:#aaa99f;--subtle:#585852;--field:#fdfdfa}
.theme-switch{display:flex;gap:0;margin-left:auto}.theme-switch button{font:10px var(--mono);min-height:36px;padding:8px 11px}.masthead>span{margin-left:auto}.theme-switch button+button{margin-left:-1px}
.room-invitation{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:26px 30px;margin:28px 0 12px;border:2px solid var(--ink);background:var(--soft)}.room-invitation h3{font:30px var(--serif)}.room-invitation p{font-size:13px;max-width:690px;margin-bottom:0}.room-invitation .eyebrow{margin-bottom:8px}.room-invitation button{flex-shrink:0}
.attention-systems{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0 0 22px}.attention-systems button{display:grid;grid-template-columns:34px 1fr;column-gap:10px;text-align:left;align-items:center;padding:16px;font-size:15px;border:1px solid var(--border)}.attention-systems button>span:last-child{grid-column:2;font-size:12px;font-weight:400;line-height:1.5;margin-top:4px}.system-letter{border:1px solid currentColor;display:grid;place-items:center;width:32px;height:32px;font:18px var(--serif)}.attention-systems .system-letter{grid-row:span 2}.moments button small{display:block;font:9px/1.5 var(--mono);opacity:.8;margin-top:8px}.brain-now{display:flex;gap:14px;align-items:center;border-block:1px solid #ffffff3b;padding:15px 0;margin:12px 0 0}.brain-now strong{font:26px/1.2 var(--serif);display:block}.brain-now span:not(.system-letter){display:block;font-size:12px;color:#d0d0c8;margin-top:3px}.brain-card .opacity-label{display:grid;grid-template-columns:1fr auto;flex:1 1 230px;font-size:12px}.opacity-label input{grid-column:1/-1;accent-color:#eee;min-height:30px}.opacity-label output{font-family:var(--mono)}.brain-card #brain-stage{height:380px}#regions-title{font-size:12px;border-bottom:1px solid var(--border);padding-bottom:10px;margin:24px 0 0}.regions{margin-top:12px}.regions li{padding:5px 0}.regions b{font-weight:600}
.comparison-player{border:1px solid var(--border);background:var(--panel);margin-bottom:30px;padding:24px}.comparison-player-heading{display:flex;justify-content:space-between;align-items:start;gap:20px}.comparison-player-heading h3{font:30px/1.2 var(--serif);letter-spacing:-.03em}#comparison-progress{font:10px/1.7 var(--mono);white-space:nowrap;padding-top:10px}.comparison-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin:20px 0;gap:4px}.comparison-steps button{text-align:left;font-size:11px;min-width:0;padding:12px 10px}.comparison-steps button>span{display:block;font:9px var(--mono);margin-bottom:7px;opacity:.7}.comparison-animation-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.comparison-animation-columns>article{min-width:0;padding:20px 22px;background:var(--panel);border-top:3px solid var(--ink)}.comparison-animation-columns>article+article{border-left:1px solid var(--border);border-top:3px double var(--ink);background:var(--soft)}.comparison-animation-columns h4{margin:0 0 15px;font:11px var(--mono);letter-spacing:.1em;text-transform:uppercase}.animation-title{font:24px/1.25 var(--serif);min-height:60px;margin-bottom:12px}.animation-sentence{min-height:90px;display:flex;align-content:start;align-items:baseline;flex-wrap:wrap;gap:3px;font:19px/1.6 var(--serif);border-block:1px solid var(--border);padding:12px 0;margin-bottom:12px}.animation-sentence>span{padding:1px 3px}.token-emphasis{background:var(--ink);color:var(--inverse)}.animation-sentence .blank{padding:0}
.comparison-brain-stage{position:relative;height:300px;background:#171717;color:#eee;border:1px solid #777}.comparison-brain-stage canvas{width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}#compare-brain-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.comparison-system{position:absolute;left:12px;top:12px;font:11px var(--mono);background:#111e;padding:8px;color:#f3f3ee;pointer-events:none}#compare-brain-fallback{position:absolute;left:15px;right:15px;top:35%;padding:20px;background:#222;color:#eee;font-size:13px}.comparison-machine-diagram{height:300px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--panel);overflow:hidden}.comparison-machine-diagram>div{width:100%}#comparison-regions,#comparison-machine-key{min-height:95px;margin:12px 0;font-size:11px;line-height:1.65}.comparison-animation-columns>article>p:last-child{font-size:13px;line-height:1.75;margin-bottom:0}
.attention-flow{display:block;width:100%;height:auto;max-height:100%;overflow:visible}.attention-flow rect{fill:var(--soft);stroke:var(--border)}.attention-flow text{text-anchor:middle;fill:var(--ink);font:15px Arial,sans-serif}.attention-flow .svg-note{font:11px Arial,sans-serif;fill:var(--subtle)}.attention-flow .svg-weight{font:20px var(--mono)}.flow-line{fill:none;stroke:var(--ink);stroke-width:2}.is-playing .flow-line{stroke-dasharray:6 5;animation:flow 1.6s linear infinite}.is-playing .weighted{stroke-dasharray:10 6}.machine-input{display:flex;align-items:center;flex-direction:column;gap:13px;padding:15px;font-size:12px}.machine-input>strong{font:26px var(--serif)}.diagram-label{font:10px/1.6 var(--mono);display:block;text-align:center;color:var(--subtle)}.number-vector{display:flex;gap:5px;font:15px var(--mono)}.number-vector span{border:1px solid var(--border);padding:9px}.calculation-box{padding:12px;border:1px solid var(--border);background:var(--soft)}.machine-input small{font-size:10px;color:var(--subtle)}.machine-layers{text-align:center;display:flex;align-items:center;flex-direction:column;gap:4px;font-size:12px;padding:10px}.machine-layers>div{width:85%;padding:10px;background:var(--soft);border:1px solid var(--border)}.machine-layers small{display:block;color:var(--subtle);font-size:10px;margin-top:3px}.fixed-weights{font:9px var(--mono);padding-top:7px}.is-playing .machine-layers>div{animation:layer-highlight 3s infinite}.is-playing .machine-layers>div:nth-of-type(2){animation-delay:.6s}.is-playing .machine-layers>div:nth-of-type(3){animation-delay:1.2s}.is-playing .machine-layers>div:nth-of-type(4){animation-delay:1.8s}.animation-probabilities{padding:18px}.animation-probability{display:grid;grid-template-columns:100px 1fr 35px;gap:8px;align-items:center;font:11px var(--mono);margin:16px 0}.animation-probability i{height:12px;background:var(--soft);display:block}.animation-probability i>b{display:block;background:var(--ink);height:100%}.animation-answer{border-top:1px solid var(--border);padding-top:12px;font-size:13px;margin:12px 0 0}.reader-answer{margin:0 0 10px}.comparison-connection{display:grid;grid-template-columns:1fr 1fr;border-block:1px solid var(--border);margin:20px 0;padding:16px 0;gap:25px}.comparison-connection p{font-size:12px;line-height:1.65;margin:0}.comparison-connection b{display:block;font:10px var(--mono);text-transform:uppercase;letter-spacing:.07em;margin-bottom:8px}.comparison-controls{display:flex;gap:7px;flex-wrap:wrap;align-items:center;margin-bottom:15px}.comparison-controls button{font-size:11px}.comparison-controls label{margin-left:auto;display:grid;grid-template-columns:1fr auto;column-gap:15px;font-size:11px;min-width:140px}.comparison-controls input{grid-column:1/-1;min-height:25px}#compare .comparison-columns{grid-template-columns:repeat(2,minmax(0,1fr))}
.room-purpose{margin:0;background:#191919;color:#e8e8e1;padding:18px 26px;font-size:14px;line-height:1.75;border-bottom:1px solid #666}.room-purpose b{color:white}.room-group-settings{margin:16px 0;border-color:#777}.room-group-settings summary{font-size:12px}.room-current-choice{font:12px/1.7 var(--mono);padding:12px;background:#151515;color:#eee;border:1px solid #666}.room-current-choice strong{color:white}.control-room .room-batch-label{font-size:13px;padding:15px;border:1px solid #b3b3a8;background:#222;color:#eee}.control-room .room-action-guide{margin-top:12px}.control-room .room-action-guide dl{font-size:12px}.control-room .room-action-guide summary{font-size:12px}.control-room.space{margin-top:0}.room-brief>ol{font-size:14px;line-height:1.7}.room-action-buttons{display:grid;grid-template-columns:1fr 1fr;gap:8px}.room-action-buttons button{white-space:normal;font-size:12px;text-align:left}.room-action-buttons small{display:block;font-size:10px;line-height:1.6;font-weight:400;margin-top:4px}.room-brief .room-setup>button{width:100%}
@keyframes flow{to{stroke-dashoffset:-44}}@keyframes layer-highlight{0%,80%,100%{outline:0 solid var(--ink)}20%,45%{outline:2px solid var(--ink)}}
/* Theme colors change reading surfaces, inputs, and comparison graphics. The
   anatomical instrument keeps a dark background so luminous regions read well. */
:root[data-theme=dark]{color-scheme:dark;--bg:#141414;--surface:#202020;--surface2:#2b2b2b;--text:#ededE6;--muted:#bcbcb3;--line:#ffffff33;--red:#ecece4;--blue:#b5b5aa;--green:#d0d0c5;--gold:#deded4;--panel:#1d1d1d;--soft:#292929;--ink:#ededE6;--inverse:#191919;--border:#686862;--subtle:#bcbcb3;--field:#191919}
[data-theme=dark] button{color:var(--ink);border-color:var(--border)}[data-theme=dark] button:hover{background:#343434;border-color:#aaa}[data-theme=dark] button.primary,[data-theme=dark] button[aria-pressed=true],[data-theme=dark] button[aria-selected=true]{background:var(--ink);color:var(--inverse);border-color:var(--ink)}[data-theme=dark] input,[data-theme=dark] select,[data-theme=dark] textarea{background:var(--field);color:var(--ink);border-color:var(--border)}[data-theme=dark] input[type=range],[data-theme=dark] input[type=checkbox]{accent-color:var(--ink)}[data-theme=dark] .small,[data-theme=dark] .eyebrow{color:var(--subtle)!important}
[data-theme=dark] :is(.masthead,.wordmark,.shared label,.shared .small,.blank,.section-intro p,.section-intro .badge,.feedback,.next-section,.sources,.sources a,.inquiry-route .route-index,.inquiry-route button>span:last-child,.opening-intro,.dossier-mark,.editorial-frame>div>p,.week-intro-copy>p:not(.week-intro-lead),.week-thread p,.comparison-question){color:var(--subtle)}[data-theme=dark] .wordmark,[data-theme=dark] .blank{color:var(--ink)}[data-theme=dark] :is(.masthead,.tabs,.shared,.subnav,.next-section,.sources,.week-intro,.week-connection,.week-thread li,.inquiry-route button,.editorial-frame,.dossier-mark,.comparison-table td,.comparison-table th,.social-exercise-intro){border-color:var(--border)}[data-theme=dark] .tabs button{background:transparent;border-color:var(--border)}[data-theme=dark] .tabs button[aria-selected=true]{background:var(--ink);color:var(--inverse)}[data-theme=dark] .card{background:var(--panel);border-color:var(--border)}[data-theme=dark] :is(.callout,.pipeline>div,.stats>div,.sequence-grid,.reading,.prediction-prefix,.comparison-table thead,.social-preview,.closing-inquiry,.week-question){background:var(--soft);color:var(--ink);border-color:var(--border)}[data-theme=dark] :is(.pipeline span,.pipeline b,.event,.network-map th,.social-details dt,.social-preview strong,.social-diagram b,.stats strong){color:var(--ink)}[data-theme=dark] .moments button{background:var(--soft);color:var(--ink);border-color:var(--border)}[data-theme=dark] .moments button[aria-pressed=true]{background:var(--ink);color:var(--inverse)}[data-theme=dark] .bar-track{background:#444}[data-theme=dark] .bar-track i{background:var(--ink)}[data-theme=dark] .sequence-row .future{background:repeating-linear-gradient(135deg,#333,#333 4px,#222 4px,#222 8px);color:var(--subtle)}[data-theme=dark] .reading mark{color:#111;background:#eee;border-color:#eee}[data-theme=dark] .network-map{background:var(--panel)}[data-theme=dark] .network-map button{color:#eee}[data-theme=dark] .network-map button[aria-pressed=true]{outline-color:#eee}[data-theme=dark] #compare :is(.comparison-human-label,.comparison-machine-label){color:var(--ink)}[data-theme=dark] .comparison-table td{background:var(--panel)}[data-theme=dark] .comparison-table td:nth-child(2){background:var(--soft)}[data-theme=dark] .inquiry-route button:hover{background:var(--soft)}[data-theme=dark] .week-thread li[aria-current=step]{background:var(--ink);color:var(--inverse)}[data-theme=dark] .week-thread li[aria-current=step] p{color:#444}[data-theme=dark] .brain-card{background:#171717;color:#f1f1ec}[data-theme=dark] .brain-card :is(button,select){background:#292929;color:#efefe8}[data-theme=dark] .brain-card .small{color:#bcbcb5!important}[data-theme=dark] .brain-card .brain-now strong{color:#eee}[data-theme=dark] :focus-visible{outline-color:#ddd}
/* Keep the console and its light monitor panels internally consistent in both themes. */
[data-theme=dark] .control-room{--ink:#ededed;--inverse:#191919}[data-theme=dark] .control-room :is(.room-wall,.room-debrief){color:#252525}[data-theme=dark] .control-room .room-wall .small,[data-theme=dark] .control-room .room-debrief .small{color:#555!important}[data-theme=dark] .control-room .room-wall button{color:#202020}[data-theme=dark] .control-room .room-wall button[aria-pressed=true]{color:#111;background:#ddd}[data-theme=dark] .control-room .room-debrief button{color:#222;border-color:#666}[data-theme=dark] .control-room .room-debrief .eyebrow{color:#555!important}
@media(max-width:1050px){.comparison-player{padding:18px}.comparison-animation-columns>article{padding:18px 14px}.comparison-player-heading{display:block}#comparison-progress{display:block;padding-top:0}.comparison-controls label{margin-left:0}.masthead{flex-wrap:wrap}.theme-switch{margin-left:0}.room-invitation{gap:20px}.attention-systems button{padding:12px;font-size:13px}}
@media(max-width:700px){.masthead .theme-switch{margin-left:auto}.room-invitation{display:block;padding:22px}.room-invitation button{margin-top:17px}.attention-systems{gap:5px}.attention-systems button{display:flex;flex-direction:column;align-items:start;gap:8px;font-size:12px;padding:11px 8px}.attention-systems button>span:last-child{font-size:10px;margin:0}.attention-systems .system-letter{width:26px;height:26px;font-size:16px}.brain-card #brain-stage{height:310px}.brain-now strong{font-size:24px}.comparison-player{padding:12px}.comparison-player-heading h3{font-size:25px}.comparison-steps{grid-template-columns:repeat(5,minmax(0,1fr));gap:3px}.comparison-steps button{font-size:9px;padding:9px 4px;line-height:1.5;overflow-wrap:anywhere}.comparison-animation-columns>article{padding:13px 8px}.comparison-animation-columns h4{font-size:9px;line-height:1.6;min-height:29px;letter-spacing:.04em;margin-bottom:10px}.animation-title{font-size:19px;min-height:73px;line-height:1.25}.animation-sentence{font-size:15px;min-height:151px;line-height:1.55;gap:1px}.animation-sentence>span{padding:0 1px}.comparison-brain-stage,.comparison-machine-diagram{height:225px}.comparison-system{font-size:8px;top:5px;left:4px;right:4px;padding:5px;line-height:1.6}#compare-brain-labels .brain-label{font-size:8px;padding:2px 3px}#comparison-regions,#comparison-machine-key{font-size:10px;min-height:150px}.comparison-animation-columns>article>p:last-child{font-size:12px;line-height:1.65}.comparison-connection{grid-template-columns:1fr;gap:16px}.machine-input{font-size:10px;gap:8px;padding:7px}.machine-input strong{font-size:21px}.diagram-label{font-size:8px}.number-vector{font-size:10px;gap:2px}.number-vector span{padding:5px 3px}.machine-input small{font-size:8px}.machine-layers{font-size:9px;gap:2px;padding:4px}.machine-layers>div{padding:6px;width:96%}.machine-layers small,.fixed-weights{font-size:8px}.animation-probabilities{padding:8px}.animation-probability{grid-template-columns:1fr 25px;gap:5px;font-size:9px;margin:10px 0}.animation-probability>span:first-child{grid-column:1/-1}.animation-probability i{height:8px}.animation-answer{font-size:11px}.comparison-controls{gap:5px}.comparison-controls button{padding:10px 8px;font-size:10px}.comparison-controls label{width:100%}.comparison-player>.small{font-size:10px}.room-purpose{padding:18px;font-size:13px}#compare .comparison-columns{gap:8px}#compare .comparison-columns .card{padding:12px 9px}#compare .comparison-columns h3{font-size:21px}#compare .comparison-columns .toolbar{display:block}#compare .comparison-columns .toolbar>*{margin-bottom:8px}#compare .comparison-columns label{font-size:11px}#compare .comparison-columns p{font-size:11px}#compare .comparison-columns .bar{grid-template-columns:1fr 35px;gap:5px}#compare .comparison-columns .bar>span:first-child{grid-column:1/-1}#compare .comparison-columns .pipeline>div{min-width:0;overflow-wrap:anywhere;font-size:10px}#compare .comparison-columns button{font-size:10px;padding:10px 7px}#compare .comparison-columns input{min-width:0;width:100%;font-size:11px}#compare .comparison-columns textarea{font-size:11px}.room-brief>ol{font-size:13px}}
@media(prefers-reduced-motion:reduce){.is-playing .flow-line,.is-playing .machine-layers>div{animation:none}}
.brain-leader{position:absolute;display:block;height:1px;background:#ffffff95;transform-origin:0 50%;pointer-events:none}.brain-label{z-index:1}.human-play-controls{margin-bottom:6px}.human-play-controls+#human-progress{margin:0 0 18px}.comparison-controls{position:sticky;top:0;z-index:3;background:var(--panel);padding:10px 0;border-bottom:1px solid var(--border)}.human-source-detail p{font-size:13px;max-width:980px}.human-source-detail{padding-inline:5px}.comparison-player>.small{max-width:1000px}
/* Reader signals must stay visible on the dark population screens in either theme. */
[data-theme] .control-room .room-wall .reader-dot{color:#bdbdb4;background:transparent}[data-theme] .control-room .room-wall .reader-dot.click{color:#fff;text-shadow:0 0 8px #eee}[data-theme] .control-room .room-wall .reader-dot.offline{color:#ddd}[data-theme] .control-room .room-wall .reader-dot.disconnected{color:#aaa}[data-theme] .control-room .room-wall .reader-dot:hover,[data-theme] .control-room .room-wall .reader-dot[aria-pressed=true]{color:#fff;background:#4b4b4b;border-color:#eee}[data-theme=dark] .control-room .room-debrief button{color:#fafafa;background:#333}
@media(max-width:1050px){.room-floor{display:flex;flex-direction:column}.room-floor .room-console{order:-1;width:100%;margin:0 0 20px}.room-floor .room-wall{width:100%}}
.animation-sentence{display:block}.animation-sentence>span{display:inline}.compact-flow text{font-size:12px}.compact-flow .svg-note{font-size:10px}.compact-flow .flow-line{stroke-width:1.5}
@media(max-width:700px){.animation-sentence>span{padding:1px 2px}.compact-flow{height:100%;width:100%}}
/* Continuous shared reading replaces the five-scene comparison slideshow. */
.reading-player{padding:22px;margin-top:12px}.reading-player .reading-instruction{font-size:13px;max-width:930px;line-height:1.65;margin-bottom:12px}.reading-player .comparison-controls{padding:10px 0;margin-bottom:10px;gap:8px}.reading-player .comparison-controls label{min-width:120px;margin-left:0;font-size:10px}.reading-player .comparison-controls label:last-child{margin-left:auto;max-width:170px}.reading-player .comparison-controls select{font-size:11px;padding:6px;grid-column:1/-1}.reading-transport{margin:8px 0 18px;display:grid;grid-template-columns:210px 1fr;align-items:center;gap:15px}.reading-transport label{font:10px var(--mono);display:grid;gap:6px}.reading-transport output{font-size:13px}.reading-transport input{min-height:24px}.reading-transport progress{grid-column:1/-1;width:100%;height:3px;border:0;accent-color:var(--ink);background:var(--soft)}.reading-transport progress::-webkit-progress-bar{background:var(--soft)}.reading-transport progress::-webkit-progress-value{background:var(--ink)}
.reading-player .comparison-animation-columns>article{padding:18px 16px}.reading-player .comparison-animation-columns h4{font-size:10px;letter-spacing:.07em;margin-bottom:9px}.reading-player .animation-sentence{min-height:106px;font-size:22px;line-height:1.6;padding:10px 0;margin-bottom:10px}.reading-player .reading-token{display:inline;min-height:0;border:0;border-bottom:2px solid transparent;margin:0 2px 0 0;padding:2px 3px;font:inherit;color:var(--ink);background:transparent;transition:background .18s,color .18s,opacity .18s}.reading-player .reading-token:hover{background:var(--soft)}.reading-player .reading-current{background:var(--ink);color:var(--inverse);border-bottom-color:var(--ink)}.reading-player .reading-current:hover{background:var(--ink)}.reading-player .reading-unread{opacity:.28}.reading-player .reading-return{border-bottom:2px dashed var(--ink);outline:1px dashed var(--ink);outline-offset:2px}.reading-player .reading-live-caption{font:17px/1.4 var(--serif);min-height:49px;margin:0 0 9px}.reading-player .comparison-brain-stage,.reading-player .reading-circuit{height:390px}.reading-player .comparison-brain-stage{background:radial-gradient(ellipse at 50% 45%,#252525,#101010 75%)}.brain-flow-note{position:absolute;bottom:9px;left:10px;color:#bdbdb6;font:9px var(--mono);pointer-events:none}.reading-circuit{position:relative}.reading-circuit svg{width:100%;height:100%;display:block;overflow:visible}.reading-circuit text{fill:var(--ink);font:12px Arial,sans-serif;text-anchor:middle}.reading-circuit .circuit-heading{font-size:13px}.reading-circuit .circuit-number{font:10px var(--mono)}.reading-circuit rect{fill:var(--soft);stroke:var(--border);stroke-width:1}.reading-circuit .query-node{fill:var(--panel);stroke:var(--ink)}.reading-circuit .mixture-node{fill:var(--panel);stroke:var(--ink)}.reading-key-node.is-current rect{fill:var(--ink)}.reading-key-node.is-current text{fill:var(--inverse)}.reading-key-node.is-masked{opacity:.37}.reading-key-node.is-masked rect{fill:url(#reading-mask);stroke-dasharray:3 3}.mask-stroke{stroke:var(--border);stroke-width:.7}.reading-edge{fill:none;stroke:var(--ink);stroke-width:calc(1px + var(--share)*12px);opacity:.15;transition:opacity .2s}.reading-player[data-phase="1"] .match-edge,.reading-player[data-phase="2"] .value-edge{opacity:calc(.2 + var(--share)*.65)}.reading-packet{fill:var(--ink);stroke:var(--panel);stroke-width:1;pointer-events:none}.reading-player[data-phase="0"] .query-node{stroke-width:3}.reading-player[data-phase="2"] .mixture-node{stroke-width:3}
.reading-network-levels,.reading-calculation-stages{min-height:76px;margin:12px 0;display:grid;gap:7px}.reading-network-levels>div{display:grid;grid-template-columns:145px 1fr;gap:9px;align-items:center;font:10px var(--mono)}.reading-network-levels i{height:5px;background:var(--soft);display:block}.reading-network-levels b{display:block;height:100%;background:var(--ink);transition:width .4s}.reading-calculation-stages{grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;gap:4px}.reading-calculation-stages>span{display:flex;align-items:center;padding:9px;font:10px/1.5 var(--mono);border:1px solid var(--border);opacity:.6}.reading-calculation-stages>span.current{background:var(--ink);color:var(--inverse);border-color:var(--ink);opacity:1}.reading-player .reading-live-text{font-size:13px;min-height:90px;margin-bottom:8px}.reading-player #comparison-regions,.reading-player #comparison-machine-key{min-height:0;font-size:10px;margin:8px 0;line-height:1.65}.reading-key{display:flex;flex-wrap:wrap;gap:12px 24px;font:10px var(--mono);margin:20px 0}.reading-key>span{display:flex;align-items:center;gap:8px}.reading-key i{width:16px;height:16px;border:1px solid var(--ink)}.reading-key .key-current{background:var(--ink)}.reading-key .key-return{border:1px dashed var(--ink)}.reading-key .key-unread{opacity:.3}.reading-output{display:grid;grid-template-columns:1fr 1fr;margin-top:20px;border-block:1px solid var(--border)}.reading-output>div{padding:20px 16px;min-width:0}.reading-output>div+div{border-left:1px solid var(--border);background:var(--soft)}.reading-output h4{font:10px/1.5 var(--mono);text-transform:uppercase;margin:0 0 12px}.reading-output p{font-size:14px}.reading-output .animation-probability{grid-template-columns:95px 1fr 35px}.comparison-explanation{margin-top:15px}.comparison-explanation summary{font-size:12px}.comparison-explanation .comparison-connection{margin-top:0}.comparison-explanation td,.comparison-explanation th{font-size:11px}.reading-player #comparison-motion-note{font-size:11px;line-height:1.65;margin-top:14px}.reading-player[data-playing="true"] .reading-current{box-shadow:0 3px 0 var(--border)}
@media(max-width:1000px){.reading-player .animation-sentence{min-height:135px}.reading-network-levels>div{grid-template-columns:1fr;gap:3px}.reading-player .reading-live-text{min-height:120px}.reading-player .comparison-controls label:last-child{margin-left:0}}
@media(max-width:700px){.reading-player{padding:12px}.reading-player .comparison-controls{position:static;gap:5px}.reading-player .comparison-controls button{min-height:42px;padding:9px 7px;font-size:10px}.reading-player .comparison-controls label{width:auto;flex:1;margin:4px 0 0;min-width:115px}.reading-player .comparison-controls label:last-child{max-width:none}.reading-transport{grid-template-columns:115px 1fr;gap:10px}.reading-transport output{font-size:11px}.reading-player .comparison-animation-columns>article{padding:12px 7px}.reading-player .comparison-animation-columns h4{font-size:8px;letter-spacing:.035em;min-height:29px}.reading-player .animation-sentence{font-size:17px;min-height:178px;line-height:1.8;padding:10px 0}.reading-player .reading-token{margin-right:0;padding:2px 1px}.reading-player .reading-live-caption{font-size:14px;min-height:65px;line-height:1.4}.reading-player .comparison-brain-stage,.reading-player .reading-circuit{height:330px}.reading-circuit text{font-size:12px}.reading-circuit .circuit-number{font-size:10px}.reading-circuit .circuit-heading{font-size:12px}.brain-flow-note{font-size:7px;left:6px;right:6px;line-height:1.5}.reading-network-levels{gap:8px;min-height:112px}.reading-network-levels>div{font-size:9px;gap:4px;line-height:1.4}.reading-calculation-stages{grid-template-columns:1fr;min-height:112px;gap:3px}.reading-calculation-stages>span{padding:5px;font-size:9px}.reading-player .reading-live-text{font-size:12px;min-height:160px;line-height:1.65}.reading-player #comparison-regions,.reading-player #comparison-machine-key{font-size:9px}.reading-key{font-size:9px;gap:10px}.reading-output>div{padding:14px 8px}.reading-output .animation-probability{grid-template-columns:1fr 30px;font-size:9px}.reading-output .animation-probability>span:first-child{grid-column:1/-1}.reading-output p{font-size:12px}.reading-player .reading-instruction{font-size:12px}.comparison-explanation .comparison-connection{grid-template-columns:1fr}.reading-player #comparison-motion-note{font-size:10px}}
@media(min-width:1001px){.reading-player .animation-sentence{min-height:72px}.reading-player .reading-live-caption{min-height:36px}.reading-player .comparison-brain-stage,.reading-player .reading-circuit{height:340px}}
.reading-player .reading-token{margin-right:3px}

/* Playback remains in view with the model, with surface-independent lights. */
.human-playback{padding:14px 0 0;color:#f5f5f0}.human-playback-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.human-playback-heading>span{display:flex;align-items:center;gap:9px;font:12px var(--mono)}.human-playback-heading>span::before{content:"";display:block;width:8px;height:8px;background:#7c7c7c;border-radius:50%}.human-playback[data-state=playing] .human-playback-heading>span::before{background:#fff;box-shadow:0 0 12px #fff}.brain-card .human-playback button{min-width:100px;background:#f1f1ec!important;color:#151515!important;border-color:#f1f1ec!important}.human-timeline{height:6px;background:#ffffff26;overflow:hidden}.human-timeline>span{display:block;height:100%;width:0;background:#fff}.human-playback-meta{display:flex;justify-content:space-between;gap:14px;margin-top:9px;font:10px/1.5 var(--mono);color:#ccc}.human-playback-meta>span:last-child{white-space:nowrap;font-variant-numeric:tabular-nums}.brain-animation-key{border-top:1px solid #ffffff3b;padding-top:12px;margin:0 0 17px;font-size:11px;line-height:1.7;color:#ddd}.human-playback[data-state=playing]~#brain-stage{background:radial-gradient(ellipse at 50% 45%,#252525,#151515 75%)}