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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.environment-card{transition:none}}
/* Wide article rows keep a single story as prominent as a growing archive. */
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@media(max-width:1000px){.story-row{grid-template-columns:140px minmax(0,1fr);gap:32px}}
@media(max-width:720px){.latest-stories{padding:36px 0 48px}.story-row{grid-template-columns:minmax(0,1fr);gap:16px;padding:28px 0}.story-list--archive .story-row:first-child{padding:30px 0 36px}.story-byline{flex-direction:row;flex-wrap:wrap;gap:8px 20px;padding-top:0}.story-title{font-size:22px}.story-copy p{font-size:16px}.story-body{font-size:16px}.story-summary{font-size:16px}.story-page h1{font-size:36px}}
@media(max-width:480px){.story-title{font-size:22px}.story-page h1{font-size:32px}.story-body pre{padding:16px}}

/* Continuous research pages share the site's editorial typography and theme. */
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.baseline-table thead th{padding-top:12px}.baseline-table th[scope="row"]{min-width:150px;color:var(--body)}
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.research-selection[hidden]{display:none}.research-selection>div:first-child{flex:1 1 450px}
.research-selection strong{display:block;font-weight:600}.research-selection [data-selected-detail]{display:block;margin-top:4px;line-height:1.65;color:var(--body)}
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.results-table tr.research-selected{background:var(--accent-soft)}
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.research-legend-item{width:auto;height:auto;min-height:44px;display:inline-flex;gap:10px;align-items:center;padding:8px 12px;border:1px solid var(--line);border-radius:6px;background:var(--page);font:inherit;line-height:1.4;color:var(--body);transition:border-color .18s,background .18s}
.research-legend-item:hover,.research-legend-item.research-selected{border-color:var(--accent);background:var(--accent-soft);color:var(--ink);transform:none}
.research-legend-item:focus-visible{outline-offset:3px}
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.research-charts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}
.research-figure{margin:0;min-width:0;padding:24px;border:1px solid var(--line);border-radius:10px;background:var(--page)}.research-figure h3{margin-bottom:20px}
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.paper-pending{font-size:14px}
@media(max-width:900px){.track-hero{grid-template-columns:minmax(0,1fr) 205px;gap:26px}.research-charts{gap:24px}}
@media(max-width:720px){.track-hero{grid-template-columns:1fr;gap:22px;padding-top:24px}.track-heading .page-description{font-size:16px}.track-summary{padding:20px}.track-actions{margin-top:8px}.research-charts,.track-task-grid{grid-template-columns:1fr;gap:28px}.task-io{grid-template-columns:1fr;gap:18px}.track-page .detail-section{margin-top:36px}.track-page .detail-section+.detail-section{padding-top:32px;margin-top:40px}.results-table th,.results-table td{padding-inline:12px}.results-table .numeric{padding-inline:10px}.research-milestones{margin-top:24px}}
@media(max-width:420px){.track-page h1{font-size:34px}.research-legend{gap:10px 18px}.global-footer nav{flex-wrap:wrap}}
@media(max-width:480px){.track-jump-nav{gap:0}.track-jump-nav a{justify-content:center;flex:1;padding-inline:6px;font-size:13px}.track-disclosure summary,.disclosure-body{padding:16px}.research-selection{padding:14px}}
@media(prefers-reduced-motion:reduce){.environment-card:hover,.environment-card:focus-visible{transform:none}.research-legend-item{transition:none}}
@media(pointer:coarse){.researcher-link,.run-link,[data-clear-selection],.selected-links a,.track-actions a{min-height:44px;display:inline-flex;align-items:center}}

/* Nested content keeps its own boundary within the continuous research page. */
.track-baselines .track-table-scroll{border:0;background:transparent}
.results-table tbody tr:hover{background:var(--accent-soft)}
.track-task-grid .task-sources{border-top:1px solid var(--line);padding-top:24px}
@media(max-width:720px){.track-page .section-heading h2{font-size:25px}.research-figure{padding:16px}.track-baselines,.task-io{padding:18px}.results-table th:first-child,.results-table td:first-child{padding-left:12px}.results-table th:last-child,.results-table td:last-child{padding-right:12px}}
/* About roster: alphabetically ordered cards with organizer contact details. */
.about-page{max-width:960px}
.about-page .about-recruitment{font-size:26px;font-weight:400;line-height:1.5;letter-spacing:-.025em;color:var(--ink);margin:0 0 12px}
.about-invitation{font-size:16px;color:var(--body);margin:0}.about-invitation a{color:var(--link)}
.about-page .team-section{max-width:none}
.about-page .people-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;list-style:none;padding:0;margin:0;line-height:1.5}
.about-page #organizers .people-list{grid-template-columns:repeat(2,minmax(0,1fr))}
.people-list:empty{display:none}
.people-list .person-card{display:flex;align-items:center;min-width:0;padding:22px;border:1px solid var(--line);border-radius:12px;background:var(--page);transition:border-color .18s,box-shadow .18s}
.people-list .person-card:hover,.people-list .person-card:focus-within{border-color:var(--accent);box-shadow:0 4px 16px rgba(var(--accent-rgb),.06)}

.person-details{min-width:0}.about-page .person-name{display:block;color:var(--ink);font-size:17px;font-weight:600}
.people-list a.person-name:hover{text-decoration:underline;text-underline-offset:4px}
.person-email{display:block;font-size:13px;margin-top:5px;overflow-wrap:anywhere}
@media(max-width:900px){.about-page .people-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.about-page .about-recruitment{font-size:23px}.people-list .person-card{padding:18px;gap:12px}.about-page #organizers .people-list{grid-template-columns:1fr}}
@media(max-width:520px){.about-page .people-list{grid-template-columns:1fr}}
.roster-notice{font-size:12px;color:var(--body);margin:18px 0 0}

.task-metrics{max-width:850px;margin-top:30px}.evaluation-metrics{margin:24px 0 0}.evaluation-metrics>div{margin:0 0 22px}.evaluation-metrics dt{font-size:16px;font-weight:500;color:var(--ink)}.metric-explanation{display:block;font-size:12px;font-weight:400;color:var(--body);margin:4px 0 7px}.evaluation-metrics dd{margin:0;font-size:15px;line-height:1.8;color:var(--body)}

/* Contribution calls and the separate implementation tutorial. */
.contribute-page{max-width:1120px}
.contribution-symbols{position:absolute;width:0;height:0;overflow:hidden}
.contribution-intro{max-width:900px;margin-bottom:28px}
.contribution-intro .eyebrow{display:block;margin-bottom:12px}
.contribute-page .contribution-intro h1{font-size:clamp(32px,4vw,48px);font-weight:600;letter-spacing:-.035em;max-width:800px}
.contribution-intro .page-description{margin-bottom:0}
.contribution-routes{display:flex;flex-wrap:wrap;gap:8px 32px;margin-top:22px}
.contribution-routes a{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-size:14px;font-weight:500;color:var(--link)}
.contribution-routes a:hover{text-decoration:underline;text-underline-offset:4px}
.contribution-routes a>span{font-size:12px;color:var(--body);font-variant-numeric:tabular-nums}
.contribution-routes .contribution-icon{width:15px;height:15px}
.contribution-section{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);align-items:center;gap:64px;padding:42px 0;border-top:1px solid var(--line);scroll-margin-top:24px}
.contribution-copy{min-width:0}
.contribution-lane{display:block;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--link);margin-bottom:12px}
.contribution-copy h2{font-size:28px;font-weight:600;letter-spacing:-.03em;line-height:1.25;margin:0 0 18px}
.contribution-copy p{font-size:16px;color:var(--body);line-height:1.75;max-width:460px;margin:0 0 22px}
.contribution-icon{display:block;flex-shrink:0;width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.contribution-criteria{display:flex;flex-wrap:wrap;gap:10px 20px;list-style:none;padding:0;margin:0 0 22px;color:var(--body);font-size:14px;line-height:1.5}
.contribution-criteria li{display:flex;align-items:center;gap:7px}
.contribution-criteria .contribution-icon{width:15px;height:15px;color:var(--link)}
.contribution-criteria--detailed{flex-direction:column;gap:16px}
.contribution-criteria--detailed li{align-items:flex-start;gap:10px}
.contribution-criteria--detailed .contribution-icon{margin-top:3px}
.contribution-criteria--detailed strong{display:block;color:var(--ink);font-size:14px;font-weight:600}
.contribution-criteria--detailed span{display:block;margin-top:3px;font-size:14px;line-height:1.6}
.contribution-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px 26px;margin-top:24px}
.contribution-actions .primary-link{gap:12px}
.contribution-actions .text-link{display:inline-flex;align-items:center;min-height:44px;gap:8px}
.contribute-page .contribution-actions{margin-top:26px;gap:12px 22px}
.contribute-page .contribution-main-link{font-weight:600}
.contribution-copy .contribution-start{font-size:14px;line-height:1.7;margin:16px 0 0}
.contribution-start a{color:var(--link);text-decoration:underline;text-underline-offset:3px}
.contribution-diagram{margin:0;min-width:0;width:100%;text-align:center;color:var(--body)}
.contribution-diagram .contribution-question{font-size:17px;font-weight:600;line-height:1.5;margin:0 0 6px;color:var(--ink)}
.contribution-objective{max-width:500px;margin:0 auto;padding:14px 16px;border:1px solid var(--line);border-radius:8px;background:var(--accent-soft)}
.contribution-objective>strong{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:5px}
.contribution-task-types{font-size:13px;line-height:1.6;margin:0 auto;max-width:420px;color:var(--body)}
.contribution-connector{display:flex;justify-content:center;padding:10px 0;color:var(--body)}
.contribution-connector .contribution-icon{width:21px;height:21px}
.contribution-environment{max-width:500px;margin:0 auto;padding:22px 24px;border:1px solid var(--line);border-radius:8px;background:var(--surface);text-align:left}
.contribution-environment-label{display:flex;align-items:center;gap:9px;padding-bottom:14px;margin-bottom:18px;border-bottom:1px solid var(--line);font-size:14px;font-weight:600;color:var(--link)}
.contribution-components{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;list-style:none;padding:0;margin:0;font-size:14px;line-height:1.5}
.contribution-components li{display:flex;align-items:flex-start;gap:9px;min-width:0}
.contribution-components li>div{min-width:0}
.contribution-components .contribution-icon{margin-top:2px;color:var(--link)}
.contribution-components strong{display:block;font-size:14px;font-weight:600;color:var(--ink)}
.contribution-components span{display:block;font-size:13px;line-height:1.6;margin-top:4px;overflow-wrap:anywhere}
.contribution-outcome{display:inline-flex;align-items:center;justify-content:center;gap:10px;max-width:100%;font-size:14px;font-weight:500;line-height:1.6;color:var(--link)}
.contribution-diagram .contribution-shared-question{display:inline-block;padding:10px 18px;border-bottom:1px solid var(--line)}
.contribution-joint-work{display:grid;grid-template-columns:minmax(0,1fr) 24px minmax(0,1fr);align-items:center;gap:12px;max-width:460px;margin:18px auto 8px}
.contribution-participant{min-width:0;padding:20px 12px;background:var(--surface);border-top:2px solid var(--line)}
.contribution-participant h4{font-size:15px;font-weight:600;line-height:1.5;margin:0 0 9px;color:var(--ink)}
.contribution-participant p{font-size:13px;line-height:1.8;margin:0;color:var(--body)}
.contribution-ai{border-top-color:var(--accent)}
.contribution-joint-work .contribution-exchange{width:24px;height:24px;color:var(--body)}
@media(max-width:1000px){.contribution-section{gap:36px}.contribution-copy h2{font-size:26px}}
@media(max-width:800px){.contribution-section{grid-template-columns:minmax(0,1fr);gap:32px;padding:32px 0}.contribution-copy p{max-width:600px}.contribution-diagram{max-width:480px;margin-inline:auto}}
@media(max-width:480px){.contribution-copy h2{font-size:24px}.contribution-routes{flex-direction:column;gap:0}.contribution-components{grid-template-columns:minmax(0,1fr);gap:16px}.contribution-environment{padding:18px 20px}.contribute-page .contribution-actions{gap:4px 18px}.contribution-task-types{max-width:300px}}
@media(max-width:400px){.contribution-joint-work{grid-template-columns:minmax(0,1fr);gap:12px}.contribution-joint-work .contribution-exchange{justify-self:center;transform:rotate(90deg)}.contribution-participant{padding:16px}}

.contribution-guide{max-width:1200px;overflow-wrap:anywhere}
.guide-header{max-width:850px;margin-top:26px}
.guide-header .eyebrow{display:block}
.guide-header .page-description{margin-bottom:22px}
.guide-source-links{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:14px}
.guide-source-links a,.guide-content a:not(.primary-link){color:var(--link)}
.guide-source-links a:hover,.guide-content p a:hover,.guide-table a:hover{ text-decoration:underline;text-underline-offset:3px}
.guide-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:48px;margin-top:44px}
.guide-toc{position:sticky;top:24px;align-self:start;display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);padding:0 0 0 16px}
.guide-toc>span{font-size:13px;color:var(--body);margin:0 0 10px;font-weight:600}
.guide-toc a{display:flex;align-items:center;min-height:44px;font-size:14px;line-height:1.5;padding:8px 0;color:var(--body)}
.guide-toc a:hover{color:var(--link)}
.guide-content{min-width:0}
.guide-section{scroll-margin-top:28px}
.guide-section+.guide-section{border-top:1px solid var(--line);padding-top:34px;margin-top:40px}
.guide-section h2{font-size:26px;font-weight:600;line-height:1.3;letter-spacing:-.03em;margin:0 0 20px}
.guide-section h3{font-size:17px;line-height:1.4;font-weight:600;margin:0 0 10px;color:var(--ink)}
.guide-section p{font-size:16px;line-height:1.8;color:var(--body);margin:0 0 18px}
.guide-section code{font-size:.88em;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:var(--surface);padding:2px 5px;border-radius:4px;overflow-wrap:anywhere}
.task-definition-example{margin:24px 0;padding:22px 24px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.task-definition-example>div{display:grid;grid-template-columns:155px minmax(0,1fr);gap:20px;margin:0 0 16px}
.task-definition-example>div:last-child{margin-bottom:0}
.task-definition-example dt{font-size:14px;font-weight:600;color:var(--ink)}
.task-definition-example dd{margin:0;font-size:15px;line-height:1.7;color:var(--body)}
.guide-table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:8px;margin:24px 0}
.guide-table{border-collapse:collapse;min-width:700px;width:100%;font-size:14px;text-align:left}
.guide-table th,.guide-table td{border-bottom:1px solid var(--line);padding:16px;vertical-align:top;line-height:1.7}
.guide-table thead th{background:var(--surface);font-weight:600;color:var(--ink)}
.guide-table th[scope="row"]{font-weight:600;width:19%;color:var(--ink)}
.guide-table td{color:var(--body)}
.guide-table td:nth-child(2){width:32%}
.guide-table tr:last-child>*{border-bottom:0}
.guide-note{background:var(--accent-soft);border-radius:8px;padding:22px 24px;margin:24px 0}
.guide-note p{margin:0}
.guide-workflow{list-style:none;counter-reset:guide-step;padding:0;margin:24px 0 0}
.guide-workflow>li{counter-increment:guide-step;position:relative;padding:0 0 8px 42px;margin-bottom:22px}
.guide-workflow>li:last-child{margin-bottom:0;padding-bottom:0}
.guide-workflow>li::before{content:counter(guide-step,decimal-leading-zero);position:absolute;left:0;top:0;color:var(--link);font-size:14px;font-weight:600;line-height:1.7}
.guide-workflow p:last-child{margin-bottom:0}
.guide-validation,.guide-pr-checklist{padding-left:24px;font-size:16px;color:var(--body);line-height:1.8;margin:18px 0 24px}
.guide-validation li,.guide-pr-checklist li{padding-left:4px;margin-bottom:12px}
.guide-pr-checklist strong{color:var(--ink);font-weight:600}
.prompt-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin:22px 0 12px;font-size:14px}
.prompt-copy{display:inline-flex;align-items:center;justify-content:center;min-height:44px;width:auto;height:auto;padding:10px 16px;border:1px solid var(--line);border-radius:6px;background:var(--page);color:var(--ink);font-size:14px;font-weight:500;line-height:1.4;cursor:pointer;transform:none}
.prompt-copy[hidden]{display:none}
.prompt-copy:hover{border-color:var(--accent);background:var(--accent-soft);color:var(--link);transform:none}
.prompt-status{flex-basis:100%;min-height:22px;color:var(--body);font-size:13px}
.review-prompt{white-space:pre-wrap;overflow-wrap:anywhere;overflow:auto;max-height:520px;padding:22px;margin:0 0 14px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:14px;line-height:1.7;color:var(--body)}
.review-prompt code{display:block;white-space:inherit;background:transparent;padding:0;font-size:inherit}
.guide-section .guide-caption{font-size:14px;margin-bottom:0}
.prompt-copy:focus-visible,.review-prompt:focus-visible,.guide-table-scroll:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
@media(max-width:1000px){.guide-layout{grid-template-columns:180px minmax(0,1fr);gap:32px}}
@media(max-width:800px){.guide-layout{display:block;margin-top:32px}.guide-toc{position:static;flex-direction:row;flex-wrap:wrap;gap:0 22px;border-left:0;border-block:1px solid var(--line);padding:10px 0;margin-bottom:32px}.guide-toc>span{flex-basis:100%;margin:0 0 2px}.guide-toc a{padding:8px 0}}
@media(max-width:720px){.guide-section h2{font-size:24px}.task-definition-example{padding:18px}.task-definition-example>div{grid-template-columns:1fr;gap:5px}.guide-note{padding:18px}.guide-workflow>li{padding-left:34px}.review-prompt{padding:16px;font-size:13px}.guide-section+.guide-section{margin-top:32px;padding-top:28px}}
@media(max-width:480px){.contribution-guide .contribution-actions{align-items:flex-start;flex-direction:column;gap:8px}.contribution-guide .contribution-actions .primary-link{max-width:100%;text-align:center}.guide-toc{gap:0 16px}}

/* Shared task introduction and citations. */
.track-hero{display:block}.track-heading{max-width:100%}.task-description{max-width:850px;margin-top:20px}.task-description p{margin:10px 0}.task-description strong{color:var(--ink);font-weight:600}
.task-references{margin-top:30px;max-width:950px}.reference-list{margin:0;padding-left:24px}.reference-list li{padding-left:6px;font-size:1rem;line-height:1.8;margin:12px 0;overflow-wrap:anywhere}.reference-list li::marker{color:var(--body)}.reference-list a{color:var(--link)}

/* Scientific portraits keep text outside the visual, with one shared palette. */
.environment-card{padding:0;overflow:hidden}
.environment-card .environment-copy{padding:22px 24px 25px}
.environment-card .category{margin-bottom:12px;font-size:13px}
.environment-visual{display:block;position:relative;width:100%;aspect-ratio:16/9;background:var(--surface);overflow:hidden}
.environment-visual>img,.environment-visual>video{position:absolute;inset:0;width:100%;height:100%;display:block;object-fit:cover}
.environment-visual>video{opacity:0;transition:opacity .2s}
.environment-visual.is-playing>video{opacity:1}
.catalog-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:30px 0 18px}
.catalog-all{width:auto;height:auto;min-height:40px;padding:6px 0;border:0;border-radius:0;background:transparent;color:var(--link);font-family:inherit;font-size:14px;font-weight:500}
.catalog-all[aria-pressed="true"]{text-decoration:underline;text-underline-offset:6px}
.catalog-domains{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:42px}
.catalog-domain{display:flex;align-items:center;gap:12px;min-width:0;width:auto;height:auto;padding:14px 12px;text-align:left;border:1px solid var(--line);border-radius:8px;background:var(--page);color:var(--ink);font-family:inherit;transition:border-color .18s,background .18s}
.catalog-domain:hover,.catalog-domain[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.catalog-domain>img{width:72px;height:auto;flex:0 0 72px;border-radius:4px}
.catalog-domain>span{min-width:0;display:flex;flex-direction:column;gap:5px}
.catalog-domain strong{font-size:13px;line-height:1.35;font-weight:500;color:var(--ink)}
.catalog-domain>span>span{font-size:12px;color:var(--body)}
.catalog-science-note{font-size:14px;color:var(--body);margin:36px 0 0}
.catalog-group[hidden]{display:none}
@media(max-width:1100px){.catalog-domains{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-domain>img{width:88px;flex-basis:88px}}
@media(max-width:1000px){.environment-card{padding:0}.environment-card .environment-copy{padding:20px 22px 24px}}
@media(max-width:480px){.catalog-domains{gap:10px;margin-bottom:30px}.catalog-domain{flex-direction:column;align-items:flex-start;gap:9px;padding:12px}.catalog-domain>img{width:88px;flex-basis:auto}.environment-card .environment-copy{padding:20px}.catalog-toolbar{margin-top:22px}.catalog-group .section-heading{align-items:center}}
@media(prefers-reduced-motion:reduce){.environment-visual>video,.catalog-domain{transition:none}}


/* Inline scientific film on each environment page. */
.environment-film { margin: 24px auto 32px; width: 100%; max-width: 960px; }
.environment-film video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #fff; border: 1px solid var(--border, #e0e6ee); border-radius: 4px; }

/* A common entry point to every scientific task, followed by its research detail. */
.task-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0 0 36px;border-top:1px solid var(--line);column-gap:40px}
.task-summary-item{padding:20px 0;border-bottom:1px solid var(--line);min-width:0}
.task-summary dt{font-size:13px;font-weight:600;line-height:1.5;color:var(--body);margin-bottom:8px}
.task-summary dd{margin:0;font-size:16px;line-height:1.7;color:var(--ink);overflow-wrap:anywhere}
.task-detail-block{margin-top:32px;max-width:920px}.task-detail-block p{line-height:1.8;color:var(--body)}
.task-process-notes{font-size:14px;line-height:1.7;color:var(--body)}
.task-process-notes:empty{display:none}.task-specification{margin-top:30px;font-size:14px;color:var(--link)}
.leaderboard-metrics{margin-top:20px}.track-page #leaderboard .fixture-notice{margin:0 0 22px}
@media(max-width:720px){.task-summary{grid-template-columns:1fr;column-gap:0}.task-summary-item{padding:16px 0}.task-summary dd{font-size:15px}}

/* Compact navigation with a complete, expandable chapter index. */
.track-navigation{position:sticky;top:0;z-index:4;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--page);margin-top:28px;border-bottom:1px solid var(--line)}
.track-navigation .track-jump-nav{position:static;margin:0;border:0;gap:4px;min-width:0}
.track-navigation .track-jump-nav a{min-height:48px;padding:10px 14px}
.nav-short{display:none}
.track-chapters{position:static;flex:none;margin:0;padding:0;border:0}
.track-chapters summary{display:flex;align-items:center;gap:12px;min-height:44px;padding:10px 14px;border:1px solid var(--line);border-radius:5px;font-size:13px;color:var(--ink);cursor:pointer;list-style:none}
.track-chapters summary::-webkit-details-marker{display:none}
.track-chapters[open] summary{background:var(--accent-soft);border-color:var(--accent)}
.track-chapters[open] summary>span{transform:rotate(180deg)}
.track-subnav{position:absolute;top:calc(100% + 8px);right:0;width:min(620px,100%);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;padding:12px;max-height:65svh;overflow-y:auto;border:1px solid var(--line);border-radius:8px;background:var(--page);box-shadow:0 12px 32px #0003}
.track-subnav a{display:flex;align-items:center;min-height:44px;padding:10px 12px;font-size:13px;line-height:1.5;color:var(--body);border-radius:4px;white-space:normal}
.track-subnav a:hover,.track-subnav a[aria-current="location"]{color:var(--link);background:var(--accent-soft)}
.track-subnav a:focus-visible{outline-offset:-3px}
.track-page .detail-section,.track-page .fly-guide section{scroll-margin-top:calc(var(--track-navigation-height,52px) + 20px)}
@media(max-width:720px){.track-navigation{gap:4px}.track-navigation .track-jump-nav a{padding:10px 8px;font-size:12px}.track-navigation .nav-full{display:none}.track-navigation .nav-short{display:inline}.track-chapters summary{padding:8px 10px;gap:6px;font-size:12px}.track-subnav{grid-template-columns:repeat(2,minmax(0,1fr));width:100%}}

/* Scientific explanations share the environment's typography and chapter menu. */
.research-guide{margin-top:40px;padding-top:32px;border-top:1px solid var(--line)}
.research-guide-heading{max-width:850px;margin-bottom:24px}
.track-page .research-guide-heading h3{font-size:22px;margin:0 0 12px}
.research-guide-heading>p,.research-guide-section>p{font-size:16px;line-height:1.8;color:var(--body);max-width:900px}
.track-page .research-guide-section{margin-top:0;padding:32px 0;scroll-margin-top:calc(var(--track-navigation-height,52px) + 20px)}
.track-page .research-guide-section+.research-guide-section{margin-top:0;padding-top:32px;border-top:1px solid var(--line)}
.research-guide-title{display:flex;align-items:baseline;gap:14px;margin-bottom:18px}
.track-page .research-guide-title h3{font-size:22px;line-height:1.4;margin:0;font-weight:600;letter-spacing:-.3px}
.research-guide-title>span{font-size:13px;color:var(--link);flex:none}
.research-flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));list-style:none;counter-reset:process;gap:20px;padding:0;margin:28px 0}
.research-flow li{position:relative;padding:20px;border:1px solid var(--line);border-radius:8px;background:var(--surface);counter-increment:process;min-width:0}
.research-flow li:before{content:counter(process,decimal-leading-zero);display:block;font-size:12px;color:var(--link);margin-bottom:14px}
.research-flow strong{display:block;font-size:16px;line-height:1.5;font-weight:600;color:var(--ink)}
.research-flow p{font-size:14px;line-height:1.7;color:var(--body);margin:10px 0 0}
.research-evidence-table{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:8px}
.research-evidence-table table{width:100%;border-collapse:collapse;text-align:left;font-size:14px;font-variant-numeric:tabular-nums}
.research-evidence-table caption{text-align:left;padding:16px;color:var(--body);line-height:1.7}
.research-evidence-table th,.research-evidence-table td{padding:14px 16px;border-top:1px solid var(--line);vertical-align:top;line-height:1.7;min-width:140px;color:var(--body);overflow-wrap:anywhere}
.research-evidence-table thead th{font-weight:600;background:var(--surface);color:var(--ink)}
.research-evidence-table tbody th{font-weight:500;color:var(--ink)}
.research-guide-list{max-width:900px;padding-left:22px;margin:22px 0;color:var(--body);font-size:16px;line-height:1.8}
.research-guide-list li+li{margin-top:12px}
.research-insight{max-width:100%;border-left:3px solid var(--accent);background:var(--surface);padding:20px 24px;margin:24px 0;border-radius:0 6px 6px 0}
.research-insight strong{font-size:15px;font-weight:600;color:var(--ink)}
.research-insight p{font-size:15px;line-height:1.8;color:var(--body);margin:8px 0 0;max-width:900px}
.research-guide-sources{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 18px;margin-top:24px;font-size:13px;line-height:1.6}
.research-guide-sources>span{color:var(--muted)}
.research-technical{margin:24px 0;border-top:1px solid var(--line);padding:16px 0;color:var(--body)}
.research-technical>summary{cursor:pointer;color:var(--ink);font-size:14px;font-weight:500;line-height:1.6}
.research-technical>summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.research-technical>p{max-width:900px;font-size:14px;line-height:1.8;margin:16px 0 0}
.research-technical .research-evidence-table{margin-top:16px}
.research-guide-sources a{color:var(--link);overflow-wrap:anywhere;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px}
@media(max-width:720px){.research-flow{grid-template-columns:1fr;gap:12px}.research-flow li{padding:16px}.research-guide-heading>p,.research-guide-section>p,.research-guide-list{font-size:15px}.track-page .research-guide-title h3{font-size:20px}.research-insight{padding:18px}.research-evidence-table th,.research-evidence-table td{padding:12px;min-width:125px}.research-guide-title{gap:10px}}

/* Scientific explorers use text controls, independent of the hero's icon toolbar. */
.task-explorer button{width:auto;height:auto;min-height:44px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:1;line-height:1.4;white-space:normal}
.task-explorer input,.task-explorer select{max-width:100%}
.task-explorer button:disabled{cursor:default;opacity:.55;transform:none}

/* Reusable, data-filled presentations inspired by the fruit-fly guide. */
.research-compute-grid,.research-reference-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:28px 0}
.research-compute-card{min-width:0;padding:26px;border:1px solid var(--line);background:var(--surface);border-radius:8px}
.track-page .research-compute-card h4{font-size:12px;letter-spacing:1.2px;text-transform:uppercase;margin:0 0 8px;color:var(--ink);line-height:1.6}
.research-compute-card p,.research-reference-grid p{font-size:15px;line-height:1.75;color:var(--body);margin:12px 0}
.research-compute-card .research-compute-hardware{font-size:13px;color:var(--muted);margin:0 0 18px}
.research-compute-total{font-size:clamp(28px,3vw,44px);line-height:1.25;letter-spacing:-1px;font-weight:550;color:var(--ink);overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.research-compute-total>span{font-size:16px;letter-spacing:0;display:inline-block;font-weight:400;color:var(--body)}
.research-compute-bar{display:flex;height:22px;gap:2px;overflow:hidden;border-radius:3px;margin:24px 0 12px}
.research-compute-bar i{flex-basis:0;min-width:0}.stage-0{background:#76b7ae}.stage-1{background:#ac96c7}.stage-2{background:#cdac73}.stage-3{background:#89a9c8}
.research-compute-rows,.research-resource-list{margin:0;font-size:14px;color:var(--body)}
.research-compute-rows>div,.research-resource-list>div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.research-compute-rows dt{display:flex;align-items:baseline;gap:8px}.research-compute-rows dt i{display:inline-block;width:8px;height:8px;flex:none;border-radius:2px}
.research-compute-rows dd,.research-resource-list dd{margin:0;text-align:right}.research-compute-rows dd span,.research-resource-list dd span{display:block;font-size:12px;line-height:1.6;margin-top:5px;color:var(--muted)}
.research-compute-card .research-compute-note{font-size:12px;color:var(--muted);margin-bottom:0}
.research-reference-grid>article{min-width:0;padding:24px 0;border-top:1px solid var(--line);scroll-margin-top:90px}
.track-page .research-reference-grid h4{font-size:18px;line-height:1.5;font-weight:550;margin:0 0 10px;color:var(--ink)}
.research-reference-grid .research-reference-meta{font-size:13px;color:var(--muted)}
.research-reference-links{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:18px}
.research-reference-links a{font-size:13px;line-height:1.6;color:var(--link);text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--line);overflow-wrap:anywhere}
.research-reference-links a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
@media(max-width:720px){.research-compute-grid,.research-reference-grid{grid-template-columns:1fr;gap:16px}.research-compute-card{padding:20px}.research-reference-grid>article{padding:20px 0}.research-compute-total{font-size:34px}}

/* All compute cards expose the same measurement fields and allocation basis. */
.research-compute-card .research-compute-status{font-size:12px;color:var(--muted);margin:0 0 18px}
.research-compute-measurements{margin:20px 0;font-size:14px;line-height:1.6}
.research-compute-measurements>div{display:grid;grid-template-columns:105px minmax(0,1fr);gap:16px;padding:10px 0;border-bottom:1px solid var(--line)}
.research-compute-measurements dt{color:var(--muted)}
.research-compute-measurements dd{margin:0;color:var(--ink);overflow-wrap:anywhere}
.research-compute-card .research-stage-basis{font-size:12px;color:var(--muted);margin:22px 0 8px}
.research-stage-basis+.research-compute-bar{margin-top:8px}
.research-stage-unavailable{margin-top:22px;padding:14px;border:1px dashed var(--line);color:var(--muted);font-size:13px;line-height:1.7}
.research-compute-grid:has(>.research-compute-card:only-child){grid-template-columns:minmax(0,1fr)}
.research-compute-bar{height:28px}