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/* The diagram and functional form one compact, interactive explanation. */
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.effect-prompt{font-size:12px;color:var(--muted);line-height:1.65;margin:17px 0}
.effect-choices{display:grid;gap:9px}
.effect-choice{display:block;width:100%;text-align:left;background:white;border:1px solid #dfe7e6;border-radius:7px;padding:12px 14px;color:var(--muted);transition:background .2s,border-color .2s}
.effect-name{display:flex;justify-content:space-between;align-items:baseline;font-size:12px;gap:10px}
.effect-name small{font-size:10px;letter-spacing:.06em}
.effect-formula{display:block;font:22px/1.4 var(--serif);margin-top:5px;color:var(--muted);white-space:nowrap}
.effect-choice:hover{background:#f6f9f8;border-color:#9dbbb8}
.effect-choice[aria-pressed=true]{border-color:var(--accent);background:#eaf4f1;box-shadow:inset 3px 0 var(--accent)}
.effect-choice[aria-pressed=true] .effect-name{color:var(--accent);font-weight:600}
.effect-choice[aria-pressed=true] .effect-formula{color:var(--ink)}
.mediation-details{margin-top:18px;font-size:12px;color:var(--muted)}
.mediation-details summary{cursor:pointer;color:var(--accent);width:fit-content;padding:5px 0}
.mediation-details-body{display:grid;grid-template-columns:1fr 1.3fr;gap:0 30px;padding-top:8px}
.mediation-details-body .source-links{grid-column:1/-1;margin-top:8px}
.mediation-introduction .intro-bottom{font-size:14px;gap:35px;padding-top:13px}
@media(max-width:1000px){.hero-layout{gap:25px;grid-template-columns:1.05fr 1fr}.hero h1{font-size:49px}.hero-actions .button{font-size:12px;padding:9px 12px}.hero-causal{padding-left:10px;padding-right:10px}.mediation-explorer{grid-template-columns:minmax(0,1.2fr) minmax(285px,1fr)}.explorer-diagram{padding:24px 17px}.functional-panel{padding:24px 19px}.functional-panel>math{font-size:19px}.functional-panel h3{font-size:23px}}
@media(max-width:760px){.hero-layout{grid-template-columns:1fr;gap:31px;padding-bottom:35px}.hero-copy{text-align:center}.hero h1{font-size:48px;max-width:610px;margin-left:auto;margin-right:auto}.hero-actions{justify-content:center}.hero-causal{max-width:570px;width:100%;margin:auto;padding:20px 18px}.hero .research-line{margin:18px 0}.mediation-explorer{grid-template-columns:1fr}.functional-panel{border-left:0;border-top:1px solid #d4e1e0}.functional-panel>math{font-size:22px}.effect-choices{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.effect-choice{padding:11px}.effect-name{display:block;min-height:38px;font-size:11px}.effect-name small{display:none}.effect-formula{font-size:18px}.explorer-diagram{padding:23px 22px}.effect-reading{min-height:0;margin-top:17px}.mediation-details-body{grid-template-columns:1fr;gap:0}.hero-rule{font-size:11px;gap:12px;letter-spacing:.01em}}
@media(max-width:650px){.effect-choices{grid-template-columns:1fr}.effect-name{display:flex;min-height:0;font-size:12px}.effect-name small{display:block}.effect-formula{font-size:22px}.effect-choice{padding:10px 13px}}
@media(max-width:500px){.hero{padding-top:38px}.hero h1{font-size:42px}.hero-deck{font-size:15px}.hero-actions{flex-direction:row}.hero-rule{font-size:10px;line-height:1.5;gap:10px}.hero-causal .mini-label{font-size:9px}.hero-causal figcaption{font-size:11px}.hero .research-line{font-size:12px}.hero-causal{padding:18px 8px}.dag-covariate text{font-size:20px}.functional-panel{padding:22px}.functional-panel>math{font-size:clamp(16px,5.2vw,21px)}.explorer-diagram{padding:20px 13px}.explorer-diagram>.mini-label{margin-bottom:15px}.assumptions-inline{gap:6px}.assumptions-inline strong{flex-basis:100%}.mediation-introduction .intro-bottom{gap:0}}
@media(max-width:380px){.theory-equation{font-size:15px}}
.assumption-disclosures{margin-top:21px}
.assumption-triggers{display:flex;gap:7px 9px;flex-wrap:wrap;align-items:center}
.assumption-triggers>strong{font-size:12px;font-weight:600;color:var(--ink);margin-right:3px}
.assumption-triggers button{display:inline-flex;align-items:center;gap:10px;font-size:12px;line-height:1.6;padding:4px 10px;border:1px solid #d5e2e0;border-radius:4px;background:#f8faf9;color:var(--muted)}
.assumption-triggers button::after{content:'+';font-size:15px;line-height:1;color:var(--accent)}
.assumption-triggers button[aria-expanded=true]{background:#eaf4f1;border-color:var(--accent);color:var(--accent)}
.assumption-triggers button[aria-expanded=true]::after{content:'−'}
.assumption-panel[hidden]{display:none}
.assumption-panel{margin-top:10px;padding:13px 18px;border:1px solid #d5e2e0;border-left:3px solid var(--accent);border-radius:6px;background:#f8fbfa;font-size:12px;line-height:1.55;color:var(--muted)}
.assumption-panel h3{font:17px/1.3 var(--serif);color:var(--ink);margin:0 0 5px}
.assumption-panel h4{font-size:12px;line-height:1.6;font-weight:600;color:var(--ink);margin:18px 0 6px}
.assumption-panel p{font-size:12px!important;line-height:1.55;margin:6px 0;max-width:none!important}
.assumption-panel .assumption-notation{font-size:12px!important;color:var(--muted)}
.assumption-math{overflow-x:auto;max-width:100%;padding:3px 0;margin:4px 0;color:var(--ink)}
.assumption-math math{font-size:16px;white-space:nowrap;display:block;width:max-content;min-width:0;margin:2px 0;max-width:none}
.assumption-panel .assumption-caption{font-size:12px!important;margin-top:6px}
.assumption-panel .source-links{font-size:11px;gap:9px 20px;margin-top:8px}
.assumption-equation-note{display:grid;grid-template-columns:minmax(0,.9fr) minmax(230px,1.2fr);gap:3px 24px;border-top:1px solid #dfe8e6;padding-top:5px;margin-top:5px;align-items:center}
.assumption-equation-note .assumption-math{margin:0}
.assumption-equation-note p{font-size:12px!important;margin:0}
.assumption-factor-note[hidden]{display:none}
.mediation-introduction .assumption-factor-note{font-size:11px;line-height:1.6;margin:8px 3px 0;max-width:none;color:var(--muted)}
.assumption-factor-note strong{font-weight:600}
@media(max-width:650px){.assumption-triggers>strong{flex-basis:100%}.assumption-panel{padding:12px}.assumption-panel h3{font-size:17px}.assumption-math math{font-size:15px}.assumption-equation-note{grid-template-columns:1fr;gap:2px}.assumption-panel .source-links{gap:8px 14px}}

/* October 21: compact research presentation and external video instructions. */
.hero{padding-top:54px}
.hero h1{font:600 clamp(35px,4.25vw,55px)/1.14 var(--sans);letter-spacing:-.035em;margin:10px 0 22px}
.hero-deck{font-size:18px;line-height:1.65;max-width:600px}
.hero-actions{margin-top:26px;margin-bottom:32px}
.hero-rule{letter-spacing:.04em;text-transform:none;font-size:13px;padding:17px 8px}
.hero-causal{box-shadow:none}
.section{padding-top:65px;padding-bottom:65px}
.section-heading h2,.overview-layout h2{font:600 31px/1.25 var(--sans);letter-spacing:-.025em;max-width:760px}
.section-heading .eyebrow{letter-spacing:.08em;margin-bottom:14px}
.section-heading{margin-bottom:30px}
.workbench-section{background:#f6f8f8}
.workbench-head{align-items:flex-start}
.workbench-head .button{margin-top:28px}
.demo-player-layout{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:20px;align-items:start}
.demo-frame{border-radius:7px;box-shadow:none;min-width:0}
.demo-topline{padding:11px 16px;font-size:13px}
.demo-frame video{aspect-ratio:8/5;max-height:none;width:100%;height:auto}
.demo-instructions{border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:6px;background:#fff;padding:22px 23px;min-height:300px}
.demo-instruction-label{font-size:13px;font-weight:600;color:var(--accent);margin:0 0 17px}
#demo-instruction-counter{font-size:13px;color:var(--muted);margin:0 0 7px}
.demo-instructions h3{font:600 20px/1.35 var(--sans);letter-spacing:-.015em;margin:0 0 13px}
#demo-instruction-text{font-size:17px;line-height:1.6;color:var(--ink);margin:0}
.demo-instruction-help{font-size:13px;line-height:1.6;margin:21px 0 9px;color:var(--muted)}
.demo-instructions>a{font-size:13px;text-decoration:underline;text-underline-offset:3px}
.demo-chapters{gap:8px;margin-top:15px}
.demo-chapters button{font-size:13px;padding:12px}
.demo-meta{font-size:14px;line-height:1.65;align-items:flex-start;gap:22px}
.demo-meta p{margin-top:4px}
.demo-meta a{margin-top:4px;white-space:normal;flex-shrink:0}
.demo-transcript{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 0;margin:18px 0 32px;font-size:15px}
.demo-transcript summary{cursor:pointer;color:var(--accent);width:fit-content}
.demo-transcript ol{display:grid;grid-template-columns:1fr 1fr;gap:17px 35px;padding-left:25px;margin:23px 0 8px}
.demo-transcript li{padding-left:3px}
.demo-transcript button{border:0;background:transparent;color:var(--accent);padding:0;text-align:left;font-size:14px;line-height:1.5;text-decoration:underline;text-underline-offset:3px}
.demo-transcript p{font-size:14px;line-height:1.65;margin:5px 0;color:var(--muted)}
.ai-setup h3{font:600 25px/1.3 var(--sans)}
.figure-description h3{font:500 24px/1.3 var(--sans)}
@media(max-width:950px){.demo-player-layout{grid-template-columns:minmax(0,1fr)}.demo-instructions{min-height:0;display:grid;grid-template-columns:155px minmax(0,1fr);gap:6px 18px;padding:20px}.demo-instruction-label{grid-column:1;grid-row:1;margin:0}.demo-instructions h3{grid-column:2;grid-row:1/3;margin:0;font-size:20px}#demo-instruction-counter{grid-column:1;grid-row:2;margin:0}#demo-instruction-text{grid-column:2;grid-row:3}.demo-instruction-help{grid-column:2;grid-row:4;margin:5px 0}.demo-instructions>a{grid-column:2;grid-row:5}}
@media(max-width:650px){.hero h1{font-size:37px}.hero{padding-top:34px}.hero-deck{font-size:17px}.section{padding-top:46px;padding-bottom:46px}.section-heading h2,.overview-layout h2{font-size:28px}.hero-rule{font-size:11px;letter-spacing:0;gap:12px}.workbench-head{display:block}.workbench-head .button{margin:0 0 25px}.demo-instructions{display:block;padding:20px}.demo-instruction-label{margin-bottom:9px}#demo-instruction-counter{margin-bottom:6px}.demo-instructions h3{margin:0 0 10px}#demo-instruction-text{font-size:16px}.demo-instruction-help{margin:15px 0 7px}.demo-chapters{grid-template-columns:repeat(2,minmax(0,1fr))}.demo-chapters button:last-child{grid-column:1/-1}.demo-meta{display:block;font-size:13px}.demo-meta a{display:inline-block;margin-top:6px}.demo-transcript ol{grid-template-columns:1fr}.demo-topline span+span{font-size:9px;letter-spacing:.04em}.figure-description h3{font-size:22px}}

/* Structural models belong to the causal explorer, revealed on selection. */
.method-card-links{display:flex;flex-direction:column;align-items:flex-start;gap:9px}
.method-card-links a:first-child{text-decoration:underline;text-underline-offset:4px}
.model-chooser{margin:28px 0 20px;scroll-margin-top:110px}
.model-chooser-heading{display:flex;align-items:baseline;gap:20px;flex-wrap:wrap;margin-bottom:13px}
.model-chooser-heading h3{font:600 17px/1.4 var(--sans);margin:0}
.model-chooser-heading p{font-size:14px;color:var(--muted);margin:0}
.model-chooser-heading a{font-size:13px;margin-left:auto;text-decoration:underline;text-underline-offset:3px}
.model-chooser-heading a[hidden]{display:none}
.model-choice-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.model-choice-buttons button{padding:13px 16px;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:6px;font-size:15px;text-align:left;line-height:1.4}
.model-choice-buttons button span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
.model-choice-buttons button[aria-pressed=true]{background:#eaf3f2;border-color:var(--accent);box-shadow:inset 0 3px var(--accent)}
.model-target-note{font-size:13px!important;line-height:1.6;color:var(--muted);margin:12px 0 18px!important}
.integrated-equations[hidden],.integrated-equations .dgp-model[hidden]{display:none!important}
.integrated-equations{margin:20px 0 0;padding:23px 25px;border:1px solid var(--line);border-radius:8px;background:#f8faf9;scroll-margin-top:110px}
.equations-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}
.equations-heading h3{font:600 19px/1.3 var(--sans);margin:0}
.equations-heading button{border:0;background:transparent;padding:5px 0;color:var(--accent);font-size:13px;white-space:nowrap}
.integrated-equations .dgp-model{display:grid;grid-template-columns:205px minmax(0,1fr);gap:25px;padding:0;border:0;margin:0}
.integrated-equations .dgp-model-intro h3{font:500 20px/1.4 var(--sans);margin:0 0 10px}
.integrated-equations .dgp-model-intro p{font-size:13px;line-height:1.6}
.integrated-equations .dgp-equation{overflow-x:auto;max-width:100%}
.integrated-equations .dgp-equation math{font-size:17px}
.integrated-equations .dgp-reading{font-size:12px}
.model-measurement-note{font-size:13px;line-height:1.65;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin:18px 0 0}
.demo-meta{justify-content:flex-end}
.factor-graph .factor-symbol{font:italic 30px var(--serif);fill:var(--ink)}
.factor-graph .factor-ellipsis{font:29px var(--serif);fill:var(--ink)}
.factor-graph .factor-vector-label{font-size:19px;fill:var(--muted)}
.factor-graph .factor-map-label{font-size:18px;fill:var(--muted)}
.factor-graph .node-name{font-size:20px}
.factor-graph-note[hidden]{display:none}
.factor-graph-note{font-size:13px;line-height:1.65;color:var(--muted);margin:17px 0 0;padding-top:14px;border-top:1px solid var(--line)}
.factor-graph-note strong{font-weight:600;color:var(--ink)}
.explorer-diagram .factor-graph{margin-top:auto;margin-bottom:0}
@media(max-width:900px){.integrated-equations .dgp-model{grid-template-columns:minmax(0,1fr);gap:14px}.integrated-equations .dgp-model-intro h3 br{display:none}}
@media(max-width:650px){.model-chooser-heading{display:block}.model-chooser-heading p{margin-top:6px}.model-choice-buttons{grid-template-columns:minmax(0,1fr);gap:8px}.model-choice-buttons button{padding:11px 13px;display:flex;justify-content:space-between;gap:12px;font-size:14px}.model-choice-buttons button span{margin:0;align-self:center}.integrated-equations{padding:18px 15px}.integrated-equations .dgp-equation math{font-size:16px}.equations-heading h3{font-size:17px}.model-target-note{font-size:12px!important}}

/* Meeting revision: byline and model-specific mediation functional. */
.research-authors{margin:26px 0 0}.research-authors .research-line{line-height:1.65;margin:0;color:var(--ink);font-size:15px}.research-affiliation{font-size:13px;line-height:1.55;color:var(--muted);margin:9px 0 0}
.functional-variant[hidden]{display:none!important}.functional-equation{overflow-x:auto;max-width:100%;padding:0 0 5px}.functional-equation math{font-size:18px;white-space:nowrap}.functional-interpretation{font-size:13px;color:var(--muted);margin:12px 0 4px}.functional-causal-equation math{font-size:17px}.functional-variant .model-target-note{font-size:12px!important;line-height:1.55;margin:12px 0 17px!important}.functional-panel .effect-prompt{margin-top:12px}
@media(max-width:650px){.research-authors{text-align:center}.functional-equation math{font-size:17px}.functional-causal-equation math{font-size:17px}}

.method-card p.dime-expansion{min-height:0;font-size:13px;line-height:1.6;margin:0 0 15px;color:var(--muted)}
.method-card .dime-expansion strong{font-weight:700;color:var(--ink)}
.method-card .dime-expansion u{text-underline-offset:3px;text-decoration-thickness:1px}

/* Show the potential-outcome mean and its effect contrasts. */
.functional-causal-equation math{font-size:21px}
.functional-variant .model-target-note{font-size:13px!important;line-height:1.6;margin:14px 0 17px!important}

.factor-measurement-links[hidden]{display:none}
.paper-code-status{font-size:13px;color:var(--muted);align-self:center}