/* Calm, task-first studio. Local assets, no tracking or external font requests. */
:root{--ink:#091d48;--blue:#2448f5;--muted:#526581;--line:#dbe4f2;--paper:#f4f7fc}
body{font-family:Inter,'Segoe UI',Arial,sans-serif;line-height:1.55;background:radial-gradient(ellipse at 75% 0,#e9efff 0,transparent 42%),var(--paper)}[hidden]{display:none!important}header{padding-top:18px;padding-bottom:18px}header img{width:184px}.brand-note{letter-spacing:1.3px;font-size:10px}.brand-note span{color:var(--muted)}main{max-width:1512px}button,.button{transition:background .16s,border-color .16s,box-shadow .16s;min-height:42px;font-size:12px}button:hover,.button:hover{box-shadow:0 4px 14px #2448f510}button.primary:hover,.button.primary:hover{background:#1539d4;color:white}button:disabled{opacity:.52;box-shadow:none}.quiet{color:var(--muted)}
.lab-nav{padding:12px 0;gap:12px}.lab-nav select{max-width:480px}.chapter-arrows{display:flex;gap:6px}.chapter-arrows a{font-size:19px;line-height:20px;min-height:36px;padding:6px 12px}.intro{display:flex;justify-content:space-between;align-items:center;padding:28px 0;gap:25px}.intro p{max-width:830px;margin:0;color:var(--muted)}.intro .eyebrow{color:var(--blue);margin-bottom:9px}h1{font-weight:750;font-size:clamp(28px,3.1vw,43px);letter-spacing:-1.6px;max-width:1050px}.studio-mark{position:relative;display:block;width:120px;height:70px;flex:none;isolation:isolate}.studio-mark i{position:absolute;width:52px;height:52px;border:1px solid #b1c1ff;border-radius:14px;transform:rotate(-24deg);background:linear-gradient(140deg,#fff,#d3deff);box-shadow:0 9px 15px #2448f514}.studio-mark i:nth-child(2){left:30px;top:8px;background:linear-gradient(145deg,#96aeff,#335dff);border-color:#6384ff;z-index:2}.studio-mark i:nth-child(3){left:63px;top:17px;background:linear-gradient(145deg,#1b397e,#091d48);border-color:#293c75;z-index:3}
.mission{border-radius:16px;grid-template-columns:minmax(230px,300px) 1fr auto;gap:20px;background:#fff;padding:16px 22px;box-shadow:0 3px 15px #14306403}.mission select{font-size:15px;line-height:1.4}.mission p{font-size:13px;color:#405777}.mission>button{font-weight:500;padding:9px 12px}.journey{display:flex;align-items:center;justify-content:space-between;gap:20px}.steps{gap:18px;padding:18px 0}.steps li{display:flex;align-items:center;gap:8px;color:var(--muted)}.steps b{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#e8edf7;font-size:10px;color:#617591}.steps span{margin:0!important;font-size:12px}.steps [aria-current=step] b{background:var(--blue);color:white;box-shadow:0 0 0 4px #2547f50a}.steps [aria-current=step] span{color:var(--ink);font-weight:700}.steps .done b{background:#dff3ef;color:#087665}.journey>p{font-size:12px;color:var(--muted);text-align:right}
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.controls{position:sticky;top:16px;padding:22px}.controls h2{font-size:21px}.controls label{margin-top:12px}.control-item{padding:4px 0 11px}.control-item.not-applicable{opacity:.6}.control-item small{color:var(--muted);font-size:10px}.controls select{padding:11px}.controls .other-settings{padding:12px 0;border-block:1px solid #e6ebf4;margin:15px 0}.other-settings summary{font-size:11px}.control-actions{display:grid;gap:9px}.control-actions button{width:100%}#run-status{font-size:10px;color:var(--muted);min-height:34px}.next-action{display:block;border-top:1px solid #e6ebf4;padding-top:14px;text-align:center;color:var(--blue);font-size:12px;text-decoration:none}.insight{display:block;padding:16px 24px;margin:18px 0;background:#f9fbff;box-shadow:none}.insight summary{color:#365482}.insight p{margin-top:12px}
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.ai-inspector h3{font-size:19px;margin:8px 0}.ai-inspector p{font-size:12px;color:var(--muted)}.ai-pipeline{display:flex;gap:7px;flex-wrap:wrap;margin:15px 0}.ai-pipeline span{background:#eef3ff;border:1px solid var(--line);padding:7px 10px;border-radius:8px;font-size:11px}.ai-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(135px,1fr));gap:10px;margin:16px 0}.ai-stat{background:#f5f8ff;border:1px solid #e3eaf6;padding:12px;border-radius:10px}.ai-stat span,.ai-stat small{display:block;font-size:10px;color:var(--muted)}.ai-stat strong{font-size:21px;color:var(--blue);font-variant-numeric:tabular-nums}.ai-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:14px 0}.ai-controls label{font-size:12px}.ai-select{max-width:320px}.ai-equation{font:13px/1.8 'Cambria Math',Georgia,serif;background:#f6f8fe;border:1px solid var(--line);border-radius:10px;padding:14px;overflow:auto}.ai-network{width:100%;height:auto;max-height:280px}.ai-observation,.ai-excerpt{padding:14px;border-radius:10px;background:#f1f5fd;font-size:13px;overflow-wrap:anywhere}.ai-inspector details{padding:12px 0}.ai-inspector .table-scroll{max-height:230px}
@media(min-width:1500px){#mechanism{min-height:460px}#plot{height:410px}}
@media(max-width:1100px){.workspace{grid-template-columns:minmax(0,1fr) 260px}.mission{grid-template-columns:220px 1fr}.mission>button{grid-column:1/-1;justify-self:end}.studio-mark{display:none}.journey>p{max-width:210px}.evidence-toolbar{flex-wrap:wrap}.controls{padding:18px}}
@media(max-width:820px){.workspace{grid-template-columns:1fr}.controls{position:static}.controls #controls{display:grid;grid-template-columns:1fr 1fr;gap:20px}.control-actions{grid-template-columns:1fr 1fr}.controls .other-settings{margin:0;padding:15px 0;border:0}.comparison-grid{grid-template-columns:1fr}.journey>p{display:none}.intro{padding:24px 0}.mission p{padding-left:15px}.steps{width:100%;justify-content:space-between;gap:6px}}
@media(max-width:600px){header{padding:14px 16px}header img{width:162px}.lab-nav{gap:7px}.lab-nav label{display:none}.lab-nav select{width:calc(100% - 85px);max-width:calc(100% - 85px);font-size:12px;min-width:0;flex:1}.lab-nav #saved-state{width:100%;text-align:left;font-size:10px;margin:1px 0 0}.chapter-arrows{gap:4px}.chapter-arrows a{padding:6px 10px}.intro h1{font-size:30px;letter-spacing:-1px}.intro p{font-size:13px}.intro .eyebrow{font-size:9px}.mission{display:block;padding:15px}.mission p{border:0;padding:8px 0}.mission>button{width:auto;margin:6px 0 0;font-size:11px;min-height:36px}.mission select{font-size:14px}.steps{display:flex;padding:16px 0;gap:4px}.steps li{display:block;text-align:center;flex:1}.steps b{margin:0 auto 5px;width:28px;height:28px}.steps li span{font-size:10px}.panel-heading{padding:18px 16px 12px;gap:10px}.panel-heading h2{font-size:18px}.badge{font-size:10px;max-width:100%}.evidence-toolbar{padding:0 14px 12px;gap:10px}.view-switch{width:100%}.view-switch button{flex:1;font-size:11px;padding:7px}.phase-controls{padding:10px 14px;gap:5px;flex-wrap:wrap}.phase-controls select{max-width:108px;font-size:10px;padding:6px}.phase-controls label{font-size:9px}.phase-description{padding:0 14px}#mechanism{padding:10px 12px 14px;min-height:320px}#plot{height:310px}#plot-title{margin-left:15px;font-size:13px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;padding:16px}.metrics div{padding:0}.metrics strong{font-size:24px}.controls #controls{display:block}.control-actions{gap:8px}.control-actions button{font-size:11px;padding:10px}.controls .eyebrow{font-size:9px}.comparison-grid>.panel{padding:18px}.comparison-grid summary{font-size:16px}.insight{padding:15px 18px}.answer-group label{padding:12px 10px}.next{padding:23px}.next h2{font-size:22px}.next .button{display:block}.methodology{padding:18px}.phase-badge{font-size:9px}#notice{bottom:12px;width:max-content;max-width:calc(100vw - 24px);padding:12px}.score-pair strong{font-size:28px}dialog{max-height:90dvh;overflow:auto}.ai-stats{grid-template-columns:1fr 1fr}.ai-stat strong{font-size:18px}}
/* Keep the experiment near the fold, not below a promotional hero. */
header{padding-top:12px;padding-bottom:12px}.intro{padding:20px 0}h1{font-size:clamp(28px,2.8vw,38px)}.mission{padding-top:12px;padding-bottom:12px}.steps{padding:14px 0}.panel-heading{padding-top:16px;padding-bottom:10px}.panel-heading .eyebrow{display:none}.phase-description{max-height:32px}.intro .studio-mark{transform:scale(.8);transform-origin:right center}
@media(max-width:600px){.intro{padding:18px 0}.intro h1{font-size:27px}.intro p{font-size:12px}.mission{padding:13px}.mission p{font-size:11px}.mission>button{padding:5px 8px;min-height:30px}.steps{padding:13px 0}.panel-heading{padding-top:14px}.panel-heading h2{font-size:16px}.phase-description{max-height:none;font-size:9px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}