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/* Research interface v02: fixed left index, explicit records, restrained hierarchy. */
:root{--rail:72px}body{padding-left:var(--rail)}body:before{display:none}.left-rail{position:fixed;z-index:60;inset:0 auto 0 0;width:var(--rail);background:#151613;border-right:1px solid #ffffff25;display:flex;align-items:center;flex-direction:column}.rail-brand{display:grid;place-items:center;width:100%;height:82px;border-bottom:1px solid var(--line)}.rail-brand img{width:34px;height:34px}.menu-trigger{width:100%;height:86px;background:none;border:0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:13px;color:var(--text)}.menu-trigger:hover,.menu-trigger[aria-expanded=true]{background:var(--paper);color:var(--ink)}.menu-glyph{width:24px;display:flex;flex-direction:column;gap:4px}.menu-glyph i{height:2px;background:currentColor;display:block;transition:transform .16s}.menu-trigger[aria-expanded=true] .menu-glyph i:first-child{transform:translateY(6px) rotate(45deg)}.menu-trigger[aria-expanded=true] .menu-glyph i:nth-child(2){opacity:0}.menu-trigger[aria-expanded=true] .menu-glyph i:last-child{transform:translateY(-6px) rotate(-45deg)}.rail-label{font:9px Plex,monospace;letter-spacing:.1em}.rail-bottom{display:flex;flex-direction:column;align-items:center;gap:27px;margin-top:auto;padding:28px 0}.rail-version{writing-mode:vertical-rl;font:10px Plex,monospace;color:var(--muted);letter-spacing:.08em}.rail-bottom a{font-size:20px}.rail-bottom .status-dot{width:5px;height:5px;box-shadow:none}.system-bar{height:52px;border-bottom:1px solid var(--line);padding:0 4.3%;display:flex;align-items:center;gap:20px;font:10px Plex,monospace;letter-spacing:.06em;color:var(--muted)}.system-bar>a{color:var(--text);font-size:12px;letter-spacing:.01em}.system-state{margin-left:auto;display:flex;gap:8px;align-items:center;font-size:9px}.system-state .status-dot{width:4px;height:4px;box-shadow:none}.menu-backdrop{position:fixed;inset:0 0 0 var(--rail);background:#0008;z-index:49}.site-menu{position:fixed;z-index:55;top:14px;left:calc(var(--rail) + 14px);width:350px;max-width:calc(100vw - var(--rail) - 28px);background:#edeade;color:#262923;border:1px solid #272824;padding:24px;box-shadow:5px 8px 0 #0002}.site-menu[hidden],.menu-backdrop[hidden]{display:none}.site-menu:not([hidden]){animation:index-open .18s ease-out both}.menu-heading{font:10px Plex,monospace;color:#5e6456;display:flex;align-items:center;justify-content:space-between;padding:0 0 25px;border-bottom:1px solid #292b2435}.menu-heading button{background:none;border:0;padding:5px 0 5px 15px;color:#292b24;font:10px Plex,monospace;white-space:nowrap}.site-menu nav{display:flex;flex-direction:column;padding:14px 0 20px}.site-menu nav a{display:flex;align-items:center;gap:19px;min-height:57px;font:21px Plex,monospace;letter-spacing:-.07em;border-bottom:1px solid transparent;position:relative}.site-menu nav a:hover{color:#925235}.site-menu nav a.active{color:#925235}.site-menu nav a.active:after{content:'←';position:absolute;right:0;font-size:14px}.nav-number{font-size:9px;letter-spacing:0;color:#7c8070}.site-menu [data-type-label]{min-height:1.3em}.site-menu .is-typing:after{content:'▌';font-size:.85em;color:#925235;animation:index-cursor .5s step-end infinite}.menu-end{border-top:1px solid #292b2435;padding-top:20px;display:flex;flex-direction:column;gap:14px;font:9px Plex,monospace;color:#656c5c}.menu-end a{font-size:11px;color:#292b24}.menu-is-open{overflow:hidden}.site-menu a:focus-visible,.site-menu button:focus-visible{outline-color:#925235}.skip-link{left:calc(var(--rail) + 12px)}@keyframes index-open{from{opacity:0;transform:translateX(-10px)}to{opacity:1;transform:translateX(0)}}@keyframes index-cursor{50%{opacity:0}}
.technical-hero{min-height:562px;padding-top:47px;grid-template-columns:1fr 1fr}.technical-hero .hero-copy{padding-top:24px}.technical-hero h1{font-size:clamp(38px,4.05vw,58px);line-height:1.1;letter-spacing:-.055em;margin:25px 0 22px}.technical-hero .hero-description{font-size:15px;max-width:390px;line-height:1.7}.technical-hero .brain-stage{height:510px;margin-top:-30px;margin-left:-5%;margin-right:-4.3vw}.technical-hero .hero-actions{gap:28px}.technical-hero .hero-bottom{padding:19px 0;font-size:10px}.technical-hero .brain-controls{bottom:57px}.technical-hero .brain-caption{bottom:105px}.system-readout{max-width:370px;margin:31px 0 0;padding-top:12px;border-top:1px solid var(--line);font:10px Plex,monospace;line-height:2.2}.system-readout>div{display:flex;justify-content:space-between;gap:15px}.system-readout dt{color:#888e7d}.system-readout dd{margin:0;color:#c9ccb9}.section h2,.feature-copy h2,.roadmap-aside h2{font-size:32px;letter-spacing:-.04em;line-height:1.2}.page-intro 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#ffffff20;min-width:0;background:transparent}.reading-image{background:#090a08;position:relative;min-width:0;overflow:hidden;display:grid;place-items:center;min-height:235px}.reading-image img{width:100%;height:100%;max-height:280px;object-fit:contain}.figure-id{position:absolute;bottom:10px;left:12px;font:9px Plex,monospace;color:#c0c7b1;background:#111a;padding:3px 6px}.reading-copy{padding:19px 0 19px 20px;min-width:0}.reading-meta{display:flex;justify-content:space-between;gap:12px;font:9px Plex,monospace;color:var(--accent);line-height:1.4}.reading-meta time{color:#9da38e;white-space:nowrap}.reading-copy h3{font-size:20px;line-height:1.25;letter-spacing:-.025em;font-weight:500;margin:17px 0 12px}.reading-copy h3 a:hover{text-decoration:underline;text-underline-offset:4px}.reading-copy>p{font-size:12px;color:#abb19d;line-height:1.7;margin:0 0 20px}.reading-actions{display:flex;flex-wrap:wrap;gap:10px 20px;font:10px Plex,monospace}.reading-actions 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a:not(.article-back):not(.button){color:var(--accent);text-decoration:none}.source-article a:hover{text-decoration:underline;text-underline-offset:4px}.source-article h2{font-size:23px;letter-spacing:-.025em}.source-article .article-lead{font-size:18px;line-height:1.7}.source-article p{font-size:15px;line-height:1.85}.secondary-figure img{background:#ece9df}.editorial-context{border-left:2px solid #d5a36570;padding:2px 24px;margin:35px 0;background:#d5a36505}.editorial-context h2{font:11px Plex,monospace;text-transform:uppercase;color:var(--accent);margin-top:20px}.editorial-context p{font-size:14px;padding-bottom:20px}.article-sources{padding:5px 0 25px;border-top:1px solid var(--line)}.article-sources h2{font:11px Plex,monospace;text-transform:uppercase;margin-top:25px}.article-sources>a{display:block;font-size:12px;margin:14px 0}.article-sources p{font:10px Plex,monospace;color:#89927b;margin-top:25px}.article-next{border-top:1px solid var(--line);padding-top:25px;display:flex;justify-content:space-between;gap:20px}.article-next .mono{font-size:9px;color:var(--muted)}.article-next a{font-size:13px}.footer{padding-top:30px}.footer-top{padding-bottom:28px}.footer-top .brand{font-size:21px}.footer-top p{font:11px Plex,monospace}.note-card{transition:border-color .2s}.note-card:hover{transform:none}.notes-grid .note-card:last-child{grid-column:auto;display:flex}.notes-grid .note-card:last-child .note-art{height:200px}.section{padding-top:62px;padding-bottom:62px}.featured-reading{padding-top:36px;padding-bottom:36px}.project-status{padding-top:45px;padding-bottom:45px}
@media(min-width:1600px){.technical-hero{min-height:620px}.technical-hero h1{font-size:58px}.technical-hero .brain-stage{height:570px}.system-bar,.technical-cta{padding-left:max(4.3%,calc((100vw - 1460px)/2));padding-right:max(4.3%,calc((100vw - 1460px)/2))}}
@media(max-width:1100px){.technical-hero h1{font-size:43px}.technical-hero .hero-description{font-size:14px;max-width:330px}.technical-hero .hero-actions{gap:20px}.reading-card{grid-template-columns:1fr}.reading-image{min-height:0;height:170px}.reading-image img{height:170px;object-fit:contain}.reading-copy{padding:20px 0}.reading-copy h3{font-size:22px}.reading-copy>p{font-size:13px;min-height:65px}.reading-meta{font-size:10px}.reading-actions{font-size:11px}.protocol-table>div{grid-template-columns:115px 200px 1fr;gap:20px}.project-status{gap:40px}.reading-grid{gap:25px}}
@media(max-width:850px){:root{--rail:62px}.rail-brand{height:72px}.site-menu{width:320px}.site-menu nav a{font-size:20px}.system-bar{padding-left:5%;padding-right:5%}.system-bar>span:nth-child(2){display:none}.system-state{font-size:8px}.technical-hero{min-height:0;grid-template-columns:1fr;padding:35px 5% 63px}.technical-hero .hero-copy{padding-top:0}.technical-hero h1{font-size:clamp(39px,6.1vw,52px);white-space:normal;max-width:600px}.technical-hero .hero-description{font-size:15px;max-width:480px}.system-readout{max-width:420px;margin-top:26px}.technical-hero .brain-stage{height:430px;margin:15px -5% -20px}.technical-hero .brain-controls{bottom:25px}.technical-hero .brain-caption{bottom:72px}.technical-hero .hero-bottom{font-size:9px;padding:17px 0}.technical-hero .coordinate{display:none}.technical-hero .stage-label{left:8%}.technical-hero .stage-counter{right:8%}.reading-copy h3{font-size:21px}.protocol-table>div{grid-template-columns:100px 1fr;gap:12px 20px}.protocol-table p{grid-column:2}.project-status{grid-template-columns:1fr;gap:20px}.project-status p{max-width:560px}.source-record{align-items:flex-start;flex-direction:column;gap:18px}.article-next{flex-direction:column;gap:10px}.technical-cta{padding-left:5%;padding-right:5%}.source-article h1{font-size:38px}}
@media(max-width:580px){:root{--rail:50px}.rail-brand{height:64px}.rail-brand img{width:28px;height:28px}.menu-trigger{height:76px;gap:11px}.menu-glyph{width:20px;gap:4px}.rail-label{font-size:8px}.rail-bottom{gap:23px;padding:22px 0}.rail-version{font-size:8px}.rail-bottom a{font-size:17px}.system-bar{height:40px;gap:12px}.system-bar>a{font-size:10px}.system-state{font-size:7px;letter-spacing:0;gap:5px}.system-state .status-dot{width:3px;height:3px}.site-menu{left:calc(var(--rail) + 8px);top:8px;max-width:calc(100vw - var(--rail) - 16px);padding:21px 17px}.menu-heading{font-size:8px;padding-bottom:18px;gap:10px}.menu-heading button{font-size:9px;padding-left:5px}.site-menu nav{padding:8px 0 17px}.site-menu nav a{min-height:54px;font-size:18px;gap:13px}.menu-end{font-size:8px;padding-top:16px}.technical-hero{padding-top:29px}.technical-hero .eyebrow{font-size:9px}.technical-hero h1{font-size:clamp(27px,7.3vw,38px);margin-top:22px;line-height:1.15;letter-spacing:-.055em}.technical-hero .hero-description{font-size:13px;line-height:1.8}.technical-hero .hero-actions{gap:17px}.technical-hero .button{font-size:11px;padding:12px 13px;gap:20px}.technical-hero .text-link{font-size:11px;gap:8px}.system-readout{font-size:9px;line-height:2.3}.technical-hero .brain-stage{height:320px;margin-top:13px}.technical-hero .brain-controls{left:5%;right:5%;font-size:8px;bottom:21px}.technical-hero .brain-caption{left:5%;right:5%;font-size:7px;bottom:66px}.technical-hero .stage-label{left:5%;font-size:7px}.technical-hero .stage-counter{right:5%;font-size:7px}.technical-hero .brain-annotation{font-size:7px}.technical-hero .hero-bottom{font-size:8px}.section{padding-top:39px;padding-bottom:39px}.reading-section-heading{gap:18px;align-items:flex-start;margin-bottom:24px}.reading-section-heading h2{font-size:22px;line-height:1.25;margin-top:12px}.reading-section-heading .eyebrow{font-size:8px;letter-spacing:0;gap:5px}.reading-section-heading .text-link{font-size:10px;gap:5px;white-space:nowrap;margin-top:26px}.reading-grid{grid-template-columns:1fr;gap:25px}.reading-image{height:190px}.reading-image img{height:190px}.reading-copy h3{font-size:23px}.reading-copy>p{min-height:0;font-size:13px}.reading-meta{font-size:9px}.reading-disclosure{font-size:9px}.section h2{font-size:26px}.section-heading>p{font-size:13px}.protocol-table>div{grid-template-columns:1fr;gap:9px;padding:21px 0}.protocol-table p{grid-column:1;font-size:12px}.protocol-table h3{font-size:16px}.protocol-table .mono{font-size:9px}.protocol-section .section-bottom-link{font-size:10px}.project-status h2{font-size:25px}.project-status p{font-size:13px}.status-links a{font-size:10px;gap:16px}.technical-cta .mono{font-size:8px;max-width:150px}.technical-cta a{font-size:10px}.footer-top .brand{font-size:18px}.footer-top .brand img{width:24px;height:24px}.footer-top>a:last-child{font-size:9px;gap:5px;max-width:145px}.footer-bottom{font-size:7px;letter-spacing:.01em;gap:10px}.page-intro{padding-top:30px;padding-bottom:28px}.page-intro h1{font-size:32px;line-height:1.15;margin:21px 0}.page-intro p{font-size:13px}.lab-viewport .brain-stage{height:310px}.lab-sidebar{grid-template-columns:1fr}.lab-sidebar .sidebar-block:last-child{grid-column:1}.lab-sidebar .sidebar-block{border-bottom:1px solid var(--line);padding-bottom:18px}.lab-sidebar .sidebar-block:last-child{border-top:0;border-bottom:0;padding-top:0;padding-bottom:0}.lab-sidebar .stimuli{grid-template-columns:1fr 1fr}.region-buttons .chip{font-size:11px}.lab-viewport .brain-caption{font-size:7px}.lab-viewport .brain-controls{font-size:8px}.lab-viewport .stage-label{font-size:7px;left:12px}.lab-viewport .stage-counter{font-size:7px;right:12px}.source-article{padding:30px 5% 50px}.source-article h1{font-size:32px}.article-classification{font-size:8px;flex-direction:column;gap:6px;margin-top:26px}.source-record dt{font-size:8px;width:65px}.source-record dd{font-size:10px}.source-record dl>div{gap:8px}.source-record .button{font-size:10px;padding:11px;gap:17px}.research-figure{margin:24px 0 28px}.research-figure figcaption{font-size:8px}.source-article .article-lead{font-size:16px}.source-article p{font-size:13px}.source-article h2{font-size:20px}.article-sources>a{font-size:11px}.article-sources p{font-size:9px}.editorial-context{padding-left:17px;padding-right:17px}.editorial-context h2{font-size:10px}.editorial-context p{font-size:12px}.notes-filters{flex-wrap:wrap}.notes-grid{grid-template-columns:1fr}.article h1{font-size:34px}.metric{padding:14px}.metric .label{font-size:8px}.dashboard-tabs{gap:18px}.dashboard-tabs button{font-size:10px}}
@media(prefers-reduced-motion:reduce){.site-menu:not([hidden]),.site-menu .is-typing:after{animation:none}}

/* Long-form research features */
.source-article{max-width:940px;padding-bottom:75px}.source-article h1{max-width:820px;font-size:clamp(34px,3.6vw,50px);line-height:1.12;margin-bottom:24px}.feature-byline{display:flex;flex-wrap:wrap;gap:10px 25px;padding:0 0 24px;border-bottom:1px solid var(--line);font:10px Plex,monospace;color:var(--muted)}.feature-byline>span:first-child{color:var(--text)}.source-article .article-lead{font-size:19px;line-height:1.7;max-width:790px;margin:28px 0 35px;color:#c5c7ba}.reading-actions>span{color:var(--muted);font-size:9px;align-self:center}.reading-origin{font:8px Plex,monospace;letter-spacing:.025em;color:#89927b;margin-top:18px}.reading-origin a{color:#b8beaa;font-size:9px}.feature-starting-point{display:block;padding:0;margin:0 0 30px}.feature-starting-point summary{cursor:pointer;display:flex;justify-content:space-between;gap:15px;padding:16px 0;font:10px Plex,monospace;color:var(--muted);list-style:none}.feature-starting-point summary::-webkit-details-marker{display:none}.feature-starting-point summary span{color:var(--accent)}.feature-starting-point[open] summary{border-bottom:1px solid var(--line)}.feature-starting-point>div{padding:20px 0}.feature-starting-point>div>a{font-size:14px}.feature-starting-point>div>p{font-size:11px;line-height:1.6;margin:10px 0 0}.article-contents{padding:25px 28px;border:1px solid var(--line);margin-bottom:50px;background:#ffffff02}.article-contents>.mono{font-size:10px;color:var(--muted);margin-bottom:15px}.article-contents ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:5px 35px}.article-contents li{margin:0}.article-contents button{display:flex;align-items:baseline;gap:12px;width:100%;text-align:left;background:transparent;border:0;padding:8px 0;font-size:12px;line-height:1.5;color:#c4c8b7}.article-contents button:hover{color:var(--accent)}.article-contents button>span{font:9px Plex,monospace;color:#8f9880;min-width:22px}.feature-body{max-width:760px;margin:0 auto}.feature-section{margin-bottom:45px}.section-index{color:#919a82;font-size:9px;margin-bottom:10px}.source-article .feature-section h2{font-size:26px;line-height:1.25;letter-spacing:-.025em;font-weight:500;margin:0 0 24px;color:var(--text);scroll-margin-top:40px}.feature-section p{margin:0 0 22px}.source-article .citation{font:10px Plex,monospace;white-space:nowrap;padding:0 2px;vertical-align:2px}.source-article .article-data-table{overflow-x:auto;margin:30px 0 28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.article-data-table table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}.article-data-table caption{caption-side:bottom;text-align:left;padding:13px 0;font:9px Plex,monospace;color:var(--muted)}.article-data-table th{font:9px Plex,monospace;color:var(--muted);font-weight:400;text-transform:uppercase;padding:15px 10px 15px 0;border-bottom:1px solid var(--line)}.article-data-table td{padding:15px 10px 15px 0;color:#c2c8b5;border-bottom:1px solid var(--line);vertical-align:top}.article-data-table td:nth-child(2){font-family:Plex,monospace;font-size:11px;white-space:nowrap}.computation-diagram{margin:32px 0 30px}.computation-diagram ol{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}.computation-diagram li{padding:20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.computation-diagram span{display:block;font:9px Plex,monospace;color:var(--accent)}.computation-diagram strong{display:block;font-size:16px;font-weight:400;color:var(--text);margin:10px 0 6px}.computation-diagram small{display:block;font:10px Plex,monospace;color:var(--muted);line-height:1.8}.computation-diagram figcaption{font:9px Plex,monospace;color:var(--muted);line-height:1.8}.article-sources{max-width:760px;margin:45px auto 30px}.source-article .article-sources h2{font-size:12px;letter-spacing:.04em;scroll-margin-top:40px}.reference-list{list-style:none;padding:0;margin:15px 0 25px}.reference-list>li{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);min-width:0}.reference-number{font:10px Plex,monospace;color:var(--muted);width:26px;flex-shrink:0;padding-top:4px}.reference-list>li>div{min-width:0}.reference-status{font:8px Plex,monospace;color:#aab79a;display:block;text-transform:uppercase;margin-bottom:8px;letter-spacing:.05em}.reference-status.is-preprint{color:var(--accent)}.reference-list a{display:block;font-size:13px;line-height:1.6;overflow-wrap:anywhere}.source-article .reference-list p{font-size:11px;line-height:1.8;margin:9px 0 0;color:var(--muted)}.source-article .article-sources .editorial-note{font:10px/1.8 Plex,monospace;max-width:680px}.source-article .article-next{max-width:760px;margin:auto}.feature-section h2:focus,.article-sources h2:focus{outline:none}.feature-section h2:focus-visible,.article-sources h2:focus-visible{outline:1px solid var(--accent);outline-offset:8px}
@media(max-width:850px){.source-article{padding-left:6%;padding-right:6%}.source-article h1{font-size:39px}.article-contents ol{grid-template-columns:1fr}.source-article .feature-section h2{font-size:25px}.feature-byline{gap:10px 20px}.reading-meta{flex-wrap:wrap}.source-article .article-lead{font-size:17px}}
@media(max-width:580px){.source-article{padding-top:30px}.source-article h1{font-size:31px;line-height:1.15;letter-spacing:-.035em}.article-classification{font-size:8px;gap:12px}.feature-byline{font-size:9px;line-height:1.6}.source-article .article-lead{font-size:16px;line-height:1.8}.source-article p{font-size:14px;line-height:1.9}.article-contents{padding:20px;margin-bottom:35px}.article-contents button{font-size:11px}.source-article .feature-section h2{font-size:23px;line-height:1.3}.feature-section{margin-bottom:37px}.feature-starting-point summary{font-size:9px;flex-wrap:wrap;line-height:1.6}.feature-starting-point>div>p{font-size:10px}.article-data-table table{font-size:10px}.article-data-table td:nth-child(2){font-size:10px}.article-data-table th{font-size:8px}.computation-diagram ol{grid-template-columns:1fr}.computation-diagram li{padding:18px}.reference-list>li{gap:10px}.reference-number{width:20px}.reference-list a{font-size:12px}.source-article .reference-list p{font-size:10px}.source-article .article-sources .editorial-note{font-size:9px}}