:root{color-scheme:dark;--bg:#101a2b;--panel:#172439;--ink:#f0eee6;--muted:#afbdcd;--line:#34445b;--orange:#f5ae72;--mint:#71d9b8;font-family:system-ui,-apple-system,"Noto Sans KR",sans-serif;font-size:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.75}a{color:inherit;text-underline-offset:4px}button,select,input{font:inherit}button,select{background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:6px;min-height:44px}button{padding:10px 18px;cursor:pointer}button:disabled{cursor:wait;opacity:.6}button:hover:not(:disabled){border-color:var(--orange)}:focus-visible{outline:2px solid var(--orange);outline-offset:4px}input[type=range]{accent-color:var(--orange);width:100%;min-height:32px;cursor:pointer}select{width:100%;padding:9px;max-width:100%}p{margin:.6em 0 1em}h1,h2,h3{line-height:1.2;font-weight:500;margin:0 0 .7em}h1{font:clamp(36px,5.5vw,72px)/1.04 Georgia,serif;letter-spacing:-.04em}h1 em{color:var(--orange)}h2{font-size:clamp(26px,3.1vw,38px);letter-spacing:-.04em}h3{font-size:20px}.wrap{width:min(1180px,calc(100% - 64px));margin-inline:auto;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:25px 0}.topbar>div{display:flex;gap:20px;align-items:center}.eyebrow{font-size:11px;letter-spacing:.14em;color:var(--muted);font-weight:600}.review{font-size:12px;border:1px solid var(--line);border-radius:30px;padding:3px 10px}.hero{padding-top:26px}.hero-heading{display:flex;align-items:end;justify-content:space-between;gap:35px;margin-bottom:30px}.hero-heading h1{margin-bottom:0}.lede{font-size:17px;color:var(--muted);max-width:370px;margin-bottom:4px}.scene-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:18px}.scene-card{position:relative;min-width:0;min-height:460px;overflow:hidden;border-radius:10px;background:#1d2b3e}.scene-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#101a2be6,transparent 65%);pointer-events:none}#scene{position:absolute;inset:0}.lod-photo{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .5s}.lod-photo.on{opacity:1}.scene-caption{position:absolute;bottom:14px;left:26px;right:26px;z-index:1}.scene-caption h2{font:48px/1 Georgia,serif;margin:14px 0}.scene-caption p{margin-bottom:10px}#scene-fallback{position:relative;z-index:2;padding:20px}.brain-card{border:1px solid var(--line);border-radius:10px;background:radial-gradient(ellipse at 50% 30%,#253c57,#142135 70%);min-width:0;overflow:hidden}.map-heading{display:flex;justify-content:space-between;padding:16px 20px 0;font-size:13px;color:var(--muted)}#brain-view{position:relative;width:100%;height:242px;touch-action:pan-y}#brain-view canvas{display:block;width:100%;height:100%}.electrode-label{position:absolute;top:0;left:0;font:11px monospace;pointer-events:none}.brain-fallback{position:absolute;inset:15px;text-align:center;font-size:14px}.scalp-pair{display:grid;grid-template-columns:1fr 1fr;gap:15px;padding:0 22px 15px}.scalp-pair figure{margin:0;min-width:0;text-align:center}.scalp-pair canvas{width:min(100%,145px);height:auto;display:block;margin:auto}.scalp-pair figcaption{font-size:12px;color:var(--muted)}.scale{height:5px;margin-top:8px}.scale.beta{background:linear-gradient(90deg,#14213b,#db6f2e 65%,#ffdcB7)}.scale.alpha{background:linear-gradient(90deg,#14213b,#2fc79a 65%,#d2fff0)}.scale-label{font:11px/1.5 monospace;color:var(--muted);margin:4px 0}.lod-controls{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 20px;margin:20px 0 12px;padding:16px 22px;background:var(--panel);border-radius:8px}.lod-controls input,.ticks{grid-column:1/-1}.ticks{display:flex;justify-content:space-between;font:12px monospace;color:var(--muted)}output{font:14px monospace;color:var(--orange)}.note,.source{font-size:13px;line-height:1.8;color:var(--muted);max-width:900px}.source{font-size:11px}.section-nav{display:flex;gap:30px;flex-wrap:wrap;padding:28px 0 20px}.section-nav a{text-decoration:none;font-size:14px}.section{border-top:1px solid var(--line);padding-top:44px;margin-top:38px}.section>p:not(.note):not(.source){max-width:850px}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:center}.section-heading h2{margin-bottom:0}.section-heading button{background:var(--orange);color:#152033;white-space:nowrap;border:0;font-weight:650}.findings{border-left:3px solid var(--orange);background:var(--panel);padding:14px 20px;margin:25px 0}.findings p{margin:3px 0;font-size:15px}.reference-band{margin-top:24px}.reference-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.reference-cell{background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:12px}.reference-cell h4{font:13px monospace;margin:0 0 10px;color:var(--orange)}.value-grid{display:grid;grid-template-columns:22px 1fr 1fr;text-align:right;gap:3px;font:12px/1.8 monospace}.value-grid .heading{font:11px/1.8 system-ui;color:var(--muted)}.value-grid>span:nth-child(3n+1){text-align:left;color:var(--muted)}.choices-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:26px}label>span{display:block;font-size:13px;margin-bottom:8px;color:var(--muted)}.choice-summary{display:flex;align-items:baseline;gap:22px;flex-wrap:wrap;padding:24px 0 14px}.choice-summary strong{font:64px/1 Georgia,serif;color:var(--orange);margin-right:10px}.choice-summary p{margin:0;font-size:14px}.choice-summary #choice-context{width:100%;color:var(--muted);font-size:13px}.correction-counts{display:flex;gap:12px;flex-wrap:wrap}.correction-counts span{background:var(--panel);padding:8px 14px;border-radius:4px;font-size:13px}.heatmaps{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:26px}.heatmap{display:grid;grid-template-columns:40px repeat(4,minmax(0,1fr));gap:5px;align-items:center;text-align:center}.heatmap .axis{font:12px monospace;color:var(--muted)}.heatmap button{padding:6px 2px;font:12px/1.5 monospace;min-height:49px;color:#ced8e7}.heatmap button.significant{background:#ecd0a6;color:#182237;border-color:#ecd0a6;font-weight:650}.heatmap button.selected{outline:2px solid var(--orange);outline-offset:1px}.cell-detail{min-height:55px;background:var(--panel);padding:12px 16px;margin-top:24px;font:13px/1.8 monospace;overflow-wrap:anywhere}.analysis-notes{border-top:1px solid var(--line);padding:15px 0;max-width:900px;color:var(--muted);font-size:14px}.secondary{font-size:13px}.line-controls{display:grid;grid-template-columns:140px minmax(180px,240px) minmax(140px,200px);gap:18px;margin:24px 0}.chart-key{display:flex;gap:22px;flex-wrap:wrap;font-size:12px}.chart-key span:before{content:"";display:inline-block;width:23px;margin-right:8px;vertical-align:middle}.person-key:before{border-top:1px solid var(--mint)}.median-key:before{border-top:3px solid var(--orange)}.interval-key:before{height:10px;background:#f5ae7240;border:1px dashed var(--orange)}#line-chart{width:100%;min-height:320px;margin-top:12px}#line-chart svg{display:block;width:100%;height:auto;background:#142135;border-radius:8px}#line-chart text{fill:var(--muted);font:11px system-ui}.individual{stroke:var(--mint);stroke-opacity:.23;stroke-width:1;fill:none}.median-line{stroke:var(--orange);stroke-width:3;fill:none}.median-halo{stroke:#142135;stroke-width:7;fill:none}.ci{fill:#f5ae7252;stroke:none}.ci-edge{fill:none;stroke:var(--orange);stroke-dasharray:4 4;stroke-width:1.5}.gridline{stroke:#314158;stroke-width:1}details{margin:14px 0}summary{cursor:pointer;font-size:13px;color:var(--muted);padding:10px 0;min-height:44px}table{border-collapse:collapse;font:13px/1.7 monospace;width:100%;max-width:650px}td,th{text-align:right;padding:9px 6px;border-bottom:1px solid var(--line)}th:first-child,td:first-child{text-align:left}.scope{border-top:1px solid var(--line);margin-top:50px;padding-top:28px;color:var(--muted);font-size:14px}.scope h2{font-size:20px}.scope p{max-width:870px}footer{display:flex;gap:20px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line);padding-block:25px;margin-top:35px;font-size:12px;color:var(--muted)}footer img{width:auto;height:20px;display:block}footer>a:last-child{margin-left:auto}.status{color:var(--muted);font-size:14px}.skip{position:absolute;left:15px;top:-100px;background:var(--panel);padding:8px;z-index:5}.skip:focus{top:10px}.build{max-width:850px;padding-top:35px}.build h1{font:32px/1.3 Georgia,serif;letter-spacing:0}.build h2{font-size:21px;margin-top:32px}.build li{margin-bottom:12px;color:var(--muted);overflow-wrap:anywhere}.build .review{display:inline-block;margin:14px 0}.build code{font-size:12px;overflow-wrap:anywhere}
@media(max-width:800px){.wrap{width:calc(100% - 36px)}.hero-heading{display:block}.lede{margin-top:22px}.scene-layout{grid-template-columns:1fr}.scene-card{min-height:0;height:260px;max-height:55svh}.brain-card{display:grid;grid-template-columns:1fr 1fr}.map-heading{grid-column:1/-1}#brain-view{height:230px}.scalp-pair{gap:8px;padding:10px 12px;align-items:center}.scalp-pair canvas{width:100%}.reference-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.heatmaps{grid-template-columns:1fr;gap:28px}.choices-controls{grid-template-columns:1fr}.section-heading{align-items:start}.section-heading h2{max-width:65%}.choice-summary{gap:12px}.section-nav{gap:22px}.topbar{gap:10px}.topbar>div{gap:12px}.topbar>.eyebrow{font-size:9px}.review{font-size:10px;padding:3px 7px}.topbar a{font-size:12px}h1{font-size:45px}#bootstrap-values table{font-size:11px}#map-values table{font-size:11px}}
@media(max-width:420px){.reference-grid{grid-template-columns:1fr}.reference-cell{padding:10px 15px}.value-grid{font-size:13px}.brain-card{grid-template-columns:1fr}#brain-view{height:210px}.scalp-pair{grid-template-columns:1fr 1fr;padding:0 30px 15px}.scalp-pair canvas{max-width:125px}.line-controls{grid-template-columns:100px minmax(0,1fr);gap:12px}.section-heading button{padding:10px 12px;font-size:14px}.section-heading h2{font-size:25px}.chart-key{gap:12px;font-size:11px}.scene-caption{left:20px;right:20px}.hero{padding-top:15px}.hero-heading h1{font-size:39px}footer{gap:12px}.choice-summary strong{font-size:58px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.lod-photo{transition:none}}

.followup{border-left-color:var(--mint)}.followup h3{font-size:19px;line-height:1.5}.comparison-scroll{overflow-x:auto;margin:16px 0}.comparison-scroll table{font:13px/1.7 system-ui;max-width:none;min-width:290px}.comparison-scroll th,.comparison-scroll td{text-align:left;vertical-align:top;padding:9px 8px}.comparison-scroll th:first-child{width:19%}.followup .note{font-size:13px}#axis-warning{color:var(--orange)}
@media(max-width:800px){.line-controls{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}}
@media(max-width:420px){.line-controls{grid-template-columns:100px minmax(0,1fr)}.line-controls label:last-child{grid-column:1/-1}}

/* v0.2: the research sequence uses the existing ink, mint and warm highlights. */
[hidden]{display:none!important}
.foundations>div[role=tabpanel]{max-width:1040px;padding-top:26px}
.foundation-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}
.foundation-tabs button{font-size:14px;background:transparent;border-bottom-width:3px}
.foundation-tabs [aria-selected=true]{color:var(--orange);border-bottom-color:var(--orange)}
.scope-note{border-left:2px solid var(--line);padding-left:18px;margin-top:22px;color:var(--muted);font-size:14px}
.scope-note h4{margin:0;font-size:13px;color:var(--ink)}
.step-links{display:flex;gap:12px 24px;flex-wrap:wrap;font-size:14px;margin-top:22px}
.signal-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;border-block:1px solid var(--line);padding:8px 0 24px;margin:26px 0}
.signal-layout>div{min-width:0}.signal-layout h4{font-weight:500;margin:18px 0 8px}
.table-scroll{overflow-x:auto;max-width:100%;margin-block:18px}
.table-scroll table{max-width:none}.table-scroll th{font-family:system-ui;font-weight:500}
.table-scroll td,.table-scroll th{white-space:nowrap}
#survey-values table{font-size:12px;margin-bottom:22px}
.question-fields{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0}
.question-scope{grid-column:1/-1}
textarea,input[type=number]{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:6px;width:100%;min-width:0;padding:10px 12px;min-height:44px}
textarea{resize:vertical;line-height:1.65;display:block}
textarea:focus{border-color:var(--orange)}
.stimulus-strip{display:grid;grid-template-columns:repeat(5,minmax(150px,1fr));gap:12px;overflow-x:auto;padding-bottom:14px;margin-top:25px;scroll-snap-type:x proximity}
.stimulus-strip figure{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:6px;overflow:hidden;scroll-snap-align:start}
.stimulus-strip img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.stimulus-strip figcaption{padding:14px 12px}.stimulus-strip h3{font:24px/1 Georgia,serif;color:var(--orange)}
.stimulus-strip p{font-size:14px;line-height:1.65;margin:8px 0 0}
.order-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:30px}
.order-layout>div{min-width:0}.order-layout h3{font-size:19px}
.timeline-scroll{overflow-x:auto;max-width:100%;margin:22px 0 12px;padding:2px 0 12px}
.timeline-inner{min-width:640px;padding-inline:16px}
.time-bar{display:flex;height:84px;gap:0;border:1px solid var(--line)}
.time-piece{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0;font:12px/1.8 monospace;border-right:1px solid var(--bg);background:var(--panel)}
.time-piece.baseline{background:#263952}.time-piece.exposure{background:#43515b;color:var(--orange)}.time-piece.rest{color:var(--muted);font-size:10px}
.time-piece small{font:11px monospace}.time-ruler{position:relative;height:22px;font:11px/1 monospace;color:var(--muted);margin-top:12px}
.time-ruler span{position:absolute;transform:translateX(-50%)}
.sequence-control{display:block;width:200px;max-width:100%;margin-top:18px}
#latin-table{margin-top:0}#latin-table table{font-size:12px}
.quality-controls{display:grid;grid-template-columns:140px minmax(0,240px);gap:18px;margin:22px 0}
#quality-chart,#power-curve{width:100%;margin-top:18px}
#quality-chart svg,#power-curve svg{display:block;width:100%;height:auto;background:#142135;border-radius:8px}
#quality-chart text,#power-curve text{fill:var(--muted);font:11px system-ui}
.quality-point{fill:var(--mint);fill-opacity:.6}.quality-extreme{fill:var(--orange);stroke:var(--bg);stroke-width:.5}
.quality-iqr{fill:#f5ae7226;stroke:#f5ae7280}.quality-median{stroke:var(--orange);stroke-width:3}
.formula{overflow-wrap:anywhere;font:13px/1.9 monospace!important;padding-block:15px}
.power-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:26px 0}
.power-assumptions{border-block:1px solid var(--line);padding-block:8px}
.power-assumptions .quality-controls{grid-template-columns:minmax(0,1fr) minmax(0,2fr);max-width:650px}
.design-card{border:1px solid var(--line);border-top:2px solid var(--orange);border-radius:6px;background:var(--panel);padding:22px;margin-top:24px}
.power-rates{display:grid;grid-template-columns:1fr 1fr;gap:22px}.power-rates span{display:block;font-size:13px;color:var(--muted)}
.power-rates strong{display:block;font:clamp(32px,5vw,58px)/1.5 Georgia,serif;color:var(--orange)}
.power-rates>div:last-child strong{color:var(--mint)}
.power-fixed{stroke:var(--orange);fill:none;stroke-width:3}.power-balanced{stroke:var(--mint);fill:none;stroke-width:2;stroke-dasharray:6 4}
.fixed-key:before{border-top:3px solid var(--orange)}.balanced-key:before{border-top:2px dashed var(--mint)}
#power-validation{color:var(--orange)}
@media(max-width:800px){
  .signal-layout,.order-layout{grid-template-columns:1fr;gap:20px}
  .power-controls{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stimulus-strip{grid-template-columns:repeat(5,170px)}
  .section-nav{gap:12px 22px}
}
@media(max-width:420px){
  .question-fields{grid-template-columns:1fr}.question-scope{grid-column:auto}
  .foundation-tabs{gap:8px}.foundation-tabs button{width:100%;text-align:left}
  .quality-controls{grid-template-columns:90px minmax(0,1fr);gap:12px}
  .power-controls{gap:12px}.power-assumptions .quality-controls{grid-template-columns:1fr}
  .design-card{padding:16px}.power-rates{gap:12px}.power-rates strong{font-size:35px}
  .table-scroll table{font-size:11px}
}