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@media(min-width:1450px){.lab-layout{grid-template-columns:290px minmax(0,1fr)}}
@media(max-width:1120px){.lab-layout{grid-template-columns:240px minmax(0,1fr);gap:20px}.lab-sidebar{padding:16px}.lab-scenario-grid.comparing{grid-template-columns:minmax(0,1fr)}.lab-input-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:780px){.lab-shell{padding:24px 18px 40px}.lab-layout{grid-template-columns:1fr}.lab-sidebar{position:static}.lab-topic-list{max-height:260px}.lab-sidebar>.lab-field{display:inline-flex;width:calc(50% - 6px);vertical-align:top;margin-right:3px}.lab-sidebar-head h2{font-size:21px}.lab-header-stat{display:none}.lab-header .back-link{margin-bottom:16px}.lab-progress{gap:12px;padding:14px}.lab-progress>span{font-size:11px}.lab-progress strong{font-size:16px}.lab-progress button{margin-left:0}.lab-lesson{padding:24px}.lab-section-heading{flex-wrap:wrap}.lab-question-data{grid-template-columns:1fr}.lab-scenario{padding:20px}.studies-lab-highlight{grid-template-columns:1fr;padding:26px}.studies-lab-highlight-detail{display:none}}
@media(max-width:440px){.lab-input-grid{grid-template-columns:1fr}.lab-mode-nav{flex-wrap:wrap}.lab-mode-nav button{font-size:12px;padding:10px 12px}.lab-lesson{padding:22px 18px}.lab-practice{padding:22px 18px}.lab-field input,.lab-field select{font-size:16px}.lab-topic-button{padding:10px 4px}.lab-topic-row input{width:20px;height:20px}.lab-topic-row{gap:10px}.lab-compare-switch{white-space:normal}.lab-sidebar>.lab-field{width:100%}.lab-progress button{width:100%;text-align:left}.lab-metrics{gap:10px}.lab-chart text{font-size:11px}.lab-question-actions .btn{width:100%}}
@media(prefers-reduced-motion:reduce){.lab-shell *{scroll-behavior:auto}}
.lab-shell{max-width:none;width:100%;padding-left:28px;padding-right:28px}.lab-graph-settings{background:#fff;border:1px solid #d8e3dc;border-radius:10px;padding:14px 18px;margin-bottom:20px}.lab-graph-settings summary{font-weight:600;font-size:13px;cursor:pointer}.lab-graph-settings .lab-input-grid{margin-top:16px;grid-template-columns:repeat(4,minmax(0,1fr))}.lab-graph-settings>.lab-text-button{margin-top:10px}.lab-slider{width:100%;margin:8px 0 2px;accent-color:#167a9b;cursor:ew-resize;height:24px}.lab-color-control{display:flex;align-items:center;gap:6px;margin-left:auto;font-size:11px;color:#647970}.lab-color-control input{width:34px;height:28px;padding:2px;border:1px solid #c8d7ce;border-radius:6px;cursor:pointer;background:#fff}.lab-chart-inspector{display:block;min-height:32px;font-size:12px;color:#315d59;margin:10px 0 0;font-variant-numeric:tabular-nums}.lab-chart svg{touch-action:pan-y}.lab-chart .lab-inspection-line{stroke:#809d99;stroke-width:1;stroke-dasharray:4 4}.lab-overlay-section{padding:26px;margin-top:22px;border:1px solid #d8e3dc;border-radius:14px;background:#fff}.lab-overlay-legend{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;margin-bottom:15px}.lab-overlay-legend span{display:flex;align-items:center;gap:8px}.lab-legend-swatch{display:inline-block;width:28px;height:4px;border-radius:2px}.lab-explanation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.lab-understand{margin-top:28px}.lab-explanation-card{border:1px solid #d8e3dc;border-left:4px solid #2c9274;border-radius:11px;padding:20px;background:#edf7f0}.lab-explanation-card h4{font-size:16px;margin:0 0 10px;color:#204a3d}.lab-explanation-card p{font-size:14px;line-height:1.75;margin:0;color:#426052}.lab-explanation-card.tone-1{background:#eef5fd;border-color:#d5e3f4;border-left-color:#3685c6}.lab-explanation-card.tone-2{background:#fff4e4;border-color:#eed9b6;border-left-color:#d69a30}.lab-explanation-card.tone-3{background:#f6effb;border-color:#e1d3ed;border-left-color:#9766ba}.lab-chart-dialog{width:94vw;max-width:1500px;max-height:94vh;padding:28px;border:1px solid #d8e3dc;border-radius:14px;background:#fff}.lab-chart-dialog::backdrop{background:#183a3580}.lab-chart-dialog>header{display:flex;justify-content:space-between;gap:20px;align-items:center}.lab-chart-dialog h2{font:700 28px Alegreya,Georgia,serif;margin:0}.lab-chart-dialog .lab-chart svg{max-height:65vh}.lab-chart-dialog .lab-chart{margin:20px 0 0}.lab-chart-expand{float:right;font-size:12px}.lab-range-label{font-size:10px;color:#647970;font-weight:400;display:flex;justify-content:space-between}.lab-concrete-example{margin-top:20px;padding:24px;background:#eef5fd;border:1px solid #d5e3f4;border-radius:12px}.lab-concrete-example h4{font:700 23px Alegreya,Georgia,serif;margin:0 0 12px}.lab-concrete-example p{font-size:15px;line-height:1.75}.lab-concrete-example ol{font-size:14px;line-height:1.8}.lab-chart .lab-axis-label{font-size:12px}.lab-chart text{font-size:12px}
@media(max-width:780px){.lab-shell{padding-left:18px;padding-right:18px}.lab-graph-settings .lab-input-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-explanation-grid{grid-template-columns:1fr}.lab-overlay-section{padding:20px}.lab-chart-dialog{padding:18px}.lab-chart-dialog h2{font-size:22px}}
.lab-answer-option input{width:18px!important;height:18px;flex:0 0 18px;margin:0;padding:0}.lab-answer-option>span{flex:1;text-align:left;font-size:16px}.lab-answer-option{justify-content:flex-start;gap:14px;min-height:58px}.lab-answer-options>div{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-question-data{grid-template-columns:repeat(3,minmax(0,1fr));padding:20px;gap:20px}.lab-question-data dt{font-size:13px}.lab-question-data dd{font-size:19px}.lab-question-prompt{font-size:29px;line-height:1.45;max-width:1000px}.lab-question-meta{font-size:13px}.lab-rounding{font-size:13px}.lab-feedback{font-size:16px}.lab-question-solution ol{font-size:16px}.lab-practice{padding:30px}.lab-practice .lab-question-actions{padding-top:8px}.lab-chart-dialog .lab-chart-inspector{font-size:16px}@media(max-width:780px){.lab-answer-options>div{grid-template-columns:1fr}.lab-question-data{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-practice{padding:22px}.lab-question-prompt{font-size:24px}}@media(max-width:440px){.lab-question-data{grid-template-columns:1fr}}
.lab-theory-reading{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:0 0 24px}.lab-theory-reading h4{font:700 22px Alegreya,Georgia,serif;margin:0 0 12px;color:#234b3e}.lab-theory-reading p{font-size:16px;line-height:1.85;margin:0;text-align:justify;hyphens:auto;color:#426052}.lab-experiment-guide{background:#fff5df;border-left:4px solid #d69a30;padding:18px 20px;border-radius:8px;margin-top:20px}.lab-experiment-guide h4{font-size:19px}.lab-color-reading{font-size:13px!important;color:#647970}.lab-concrete-example .lab-question-data{background:#fff}@media(max-width:1000px){.lab-theory-reading{grid-template-columns:1fr}}
.lab-sample-grid{display:grid;grid-template-columns:repeat(20,minmax(0,1fr));gap:5px}.lab-sample-grid span{display:grid;place-items:center;aspect-ratio:1;border-radius:5px;font-size:10px}.lab-extra-table td:has(.lab-truth-true){background:#eaf6ed}.lab-extra-table .lab-truth-true{color:#206449;font-weight:600}.lab-extra-table .lab-truth-false{color:#a84141;font-weight:600}@media(max-width:680px){.lab-sample-grid{grid-template-columns:repeat(10,minmax(0,1fr))}}
.lab-comparison-options{display:flex;flex-direction:column;gap:12px;align-items:flex-end}.lab-scenario input:disabled,.lab-scenario select:disabled{opacity:1;background:#eef3f0;color:#426052}.lab-scenario .lab-slider:disabled{opacity:.55;cursor:default}@media(max-width:780px){.lab-comparison-options{align-items:flex-start}}
.lab-comparison-options{min-width:230px;max-width:360px;align-items:stretch}.lab-sync-note{font-size:12px!important;line-height:1.6;color:#537464;margin:0 0 14px}.lab-reference{border-color:#167a9b;box-shadow:0 0 0 2px #167a9b18}.lab-scenario[data-scenario=c] .lab-scenario-letter{background:#8054bd}.lab-scenario[data-scenario=d] .lab-scenario-letter{background:#d44579}.lab-comparison-options .lab-sync-note{margin:0}.lab-scenario input:disabled{cursor:default}
.lab-chart-dialog .lab-overlay-legend{margin-top:20px}
.lab-shell [hidden]{display:none!important}.lab-theory-reading{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.lab-theory-reading article{background:#fff;border:1px solid #d8e3dc;border-radius:12px;padding:24px}.lab-theory-reading article:first-child{border-top:4px solid #167a9b}.lab-theory-reading article:nth-child(2){border-top:4px solid #8054bd}.lab-theory-reading article:nth-child(3){border-top:4px solid #21886b}.lab-theory-reading article:nth-child(4){border-top:4px solid #d17b2c}.lab-resolved-case{margin-top:24px;border:1px solid #cbdfe9;border-radius:14px;background:#fff;padding:28px}.lab-case-label{font-size:12px;letter-spacing:.06em;text-transform:uppercase;font-weight:700;color:#167a9b}.lab-resolved-case h4{font:700 26px/1.3 Alegreya,Georgia,serif;margin:10px 0 16px}.lab-resolved-case p,.lab-case-steps{font-size:16px;line-height:1.85}.lab-case-steps{padding-left:26px;counter-reset:case-step}.lab-case-steps li{padding:8px 0 8px 8px}.lab-case-answer{padding:18px 22px;background:#eaf5ee;border-radius:10px;color:#21604e;font-weight:700}.lab-case-interpretation{border-left:4px solid #d17b2c;padding-left:18px}.lab-resolved-case .btn{margin-top:12px}.lab-live-calculation{margin:18px 0}.lab-live-calculation summary{font-size:14px;font-weight:600;cursor:pointer}.lab-concrete-example h5{font-size:17px;margin:18px 0 5px}.lab-observe-note{color:#426052}.lab-public-readings{margin-top:22px;padding:18px 22px;border:1px solid #d8e3dc;border-radius:10px;background:#fff}.lab-public-readings summary{font-size:14px;font-weight:600;cursor:pointer}.lab-public-readings a{display:block;font-size:14px;line-height:1.7;margin:12px 0;color:#167a9b;text-decoration:underline}.lab-visual-reading{font-size:14px;line-height:1.7;padding:12px 15px;background:#f2f7f8;border-radius:8px;border-left:4px solid #167a9b;margin:14px 0}.lab-marker-legend{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.lab-marker-legend span{font-size:12px;line-height:1.6;border-left:3px solid #8054bd;background:#f7f4fb;border-radius:5px;padding:6px 10px}.lab-chart-data{margin:14px 0}.lab-chart-data summary{font-size:12px;cursor:pointer;color:#315d59}.lab-chart-data .lab-extra-table{max-height:340px;overflow:auto}.lab-visual-tables,.lab-set-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:18px}.lab-visual-tables section{min-width:0;overflow:auto}.lab-visual-tables h5,.lab-set-grid h5{font-size:14px;margin:0 0 12px}.lab-visual-tables table{border-collapse:collapse;width:100%;font-size:13px}.lab-visual-tables th,.lab-visual-tables td{padding:10px 8px;text-align:center;border-bottom:1px solid #d8e3dc}.lab-visual-tables th{background:#f2f6f4;color:#426052}.lab-selected-truth{outline:2px solid #167a9b;outline-offset:-2px;background:#edf7fa}.lab-visual-tables .lab-truth-true{color:#21604e;font-weight:700}.lab-visual-tables .lab-truth-false{color:#b13d4b;font-weight:700}.lab-sample-grid button{display:grid;place-items:center;aspect-ratio:1;border:0;border-radius:5px;font-size:10px;padding:0;cursor:pointer;min-width:0}.lab-sample-grid button:focus-visible,.lab-chart svg:focus-visible{outline:3px solid #8054bd;outline-offset:3px}.lab-order-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px;margin-top:16px}.lab-order{display:flex;gap:6px;padding:8px;background:#f1f6f4;border-radius:7px}.lab-order span{flex:1;text-align:center;background:#fff;border:1px solid #c8d7ce;border-radius:5px;padding:5px;font-size:13px;font-weight:600}.lab-remove-scenario{border:1px solid #d8bfc2;border-radius:6px;background:#fff;color:#9b3948;padding:5px 8px;font-size:11px;cursor:pointer}.lab-remove-scenario:hover{background:#fff0f1}.lab-scenario-notice{background:#edf5fa;border-left:3px solid #167a9b;border-radius:7px;padding:12px 16px;font-size:13px;line-height:1.6}.lab-scenario>header{flex-wrap:wrap}.lab-scenario-letter{flex-shrink:0}.lab-chart-dialog .lab-visual-tables{margin-top:20px}.lab-chart-dialog .lab-chart{overflow:auto}.lab-chart-dialog .lab-visual-reading{font-size:14px}
@media(max-width:900px){.lab-theory-reading{grid-template-columns:1fr}.lab-theory-reading article{padding:20px}.lab-resolved-case{padding:22px}.lab-set-grid{grid-template-columns:1fr}.lab-explanation-grid{grid-template-columns:1fr}}

.lab-chart-dialog [data-chart-dialog-close]{min-width:0;width:auto;flex:0 0 auto;padding:10px 14px}

.lab-comparison.lab-scenario-explanation{padding:28px;background:#fff;border:1px solid #cbdfe9;border-top:4px solid #8054bd;border-radius:14px;margin-top:24px;scroll-margin-top:110px}.lab-comparison-header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.lab-comparison-header>div{min-width:0}.lab-comparison-header h3{font:700 28px/1.3 Alegreya,Georgia,serif;margin:8px 0 10px}.lab-comparison-header p{font-size:14px;line-height:1.7;color:#536c6d;margin:0}.lab-comparison-header .lab-field{min-width:210px;max-width:35%;flex-shrink:0}.lab-comparison-overview{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,165px),1fr));gap:12px;margin:24px 0}.lab-comparison-overview article{border:1px solid #dde7ea;border-top:3px solid var(--scenario-color);border-radius:10px;background:#f7fafb;padding:18px;min-width:0}.lab-comparison-badge{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;font:700 13px/1 sans-serif;background:var(--scenario-color,#167a9b);color:#fff;vertical-align:middle;flex-shrink:0}.lab-comparison-overview h4{font-size:14px;line-height:1.5;margin:10px 0}.lab-comparison-label,.lab-comparison-overview small{display:block;font-size:12px;line-height:1.6;color:#536c6d}.lab-comparison-value{display:block;font:700 25px/1.3 Alegreya,Georgia,serif;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;margin:7px 0}.lab-comparison-pair{margin-top:24px;padding:24px;border:1px solid #dbe5e9;border-left:4px solid var(--scenario-color);border-radius:12px}.lab-comparison-pair>h4{display:flex;align-items:center;gap:10px;font-size:18px;margin:0 0 18px}.lab-comparison-pair h5{font-size:15px;line-height:1.5;margin:0 0 12px}.lab-comparison-pair p{font-size:15px;line-height:1.8;overflow-wrap:anywhere}.lab-comparison-delta{padding:14px 18px;background:#f0f5fa;border-radius:9px;font-weight:600}.lab-comparison-delta.equal{background:#edf6ef;color:#21604e}.lab-comparison-delta.distinct{background:#fff8ec}.lab-comparison-changes{margin:20px 0}.lab-comparison-changes dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0}.lab-comparison-changes dl>div{background:#f7f9fa;border-radius:8px;padding:12px 14px;min-width:0}.lab-comparison-changes dt{font-size:12px;color:#536c6d;margin-bottom:5px}.lab-comparison-changes dd{font-size:14px;line-height:1.65;margin:0;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.lab-comparison-reading{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;border-top:1px solid #e1e9ec;padding-top:22px}.lab-comparison-reading section{min-width:0}.lab-comparison-reading .location{background:#f4f0fa;border-radius:9px;padding:18px}.lab-comparison-reading .reason{padding:18px 0}.lab-comparison-reading p:last-child{margin-bottom:0}.lab-comparison-pair .btn{font-size:13px;margin-top:18px;white-space:normal}.lab-comparison-sync{background:#edf6ef;border-radius:8px;padding:14px 18px;font-size:14px;line-height:1.7}.lab-scenario-explanation .lab-comparison-footnote{font-size:12px;color:#536c6d;line-height:1.7;margin:20px 0 0}@media(max-width:900px){.lab-comparison-reading{grid-template-columns:1fr;gap:0}.lab-comparison-reading .reason{padding-top:0}.lab-comparison-header{flex-direction:column;gap:16px}.lab-comparison-header .lab-field{width:100%;max-width:100%}}@media(max-width:600px){.lab-comparison.lab-scenario-explanation{padding:18px}.lab-comparison-pair{padding:18px 14px}.lab-comparison-changes dl{grid-template-columns:1fr}.lab-comparison-overview{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-comparison-overview article{padding:14px}.lab-comparison-value{font-size:22px}}

.lab-resolved-case .lab-case-context{font-size:14px;color:#426052;background:#f1f6f8;border-radius:8px;padding:14px 18px}.lab-explanation-grid:has(>article:nth-child(4):last-child){grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:900px){.lab-explanation-grid:has(>article:nth-child(4):last-child){grid-template-columns:1fr}}
.lab-regime-example{border-top:4px solid #167a9b;scroll-margin-top:110px}.lab-regime-example h5{font-size:19px;margin:26px 0 10px}.lab-regime-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}.lab-regime-facts>div{padding:18px;border-radius:10px;background:#f0f6f9;min-width:0}.lab-regime-facts>div:last-child{background:#eaf5ee}.lab-regime-facts dt{font-size:12px;color:#536c6d}.lab-regime-facts dd{font:700 26px/1.3 Alegreya,Georgia,serif;margin:6px 0 0;overflow-wrap:anywhere}.lab-regime-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.lab-regime-card{--regime-color:#167a9b;border:1px solid #d9e5e9;border-top:4px solid var(--regime-color);border-radius:10px;padding:22px;min-width:0;background:#f4f9fb}.lab-regime-card.simple{--regime-color:#d17b2c;background:#fff8ee;border-color:#eedec9;border-top-color:var(--regime-color)}.lab-regime-card h6{font-size:16px;margin:0 0 12px}.lab-regime-rate{display:block;font-size:22px;line-height:1.4;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.lab-regime-example .lab-regime-formula{background:#f2f5f4;padding:14px 18px;border-radius:8px;font-size:15px;font-weight:600;overflow-wrap:anywhere}.lab-regime-card .lab-regime-formula{background:#ffffffa8;padding:12px}.lab-regime-card p{font-size:15px}.lab-regime-table table{font-size:14px;font-variant-numeric:tabular-nums}.lab-regime-table caption{text-align:left;font-size:13px;color:#536c6d;padding:0 0 12px}.lab-regime-table th,.lab-regime-table td{padding:13px 12px}.lab-regime-table thead{background:#f2f6f5}.lab-regime-table tbody th{font-weight:500}.lab-regime-table .lab-regime-arrival{background:#eaf5ee;color:#21604e;font-weight:700}.lab-regime-table .lab-regime-arrival th{font-weight:700}.lab-regime-example .lab-regime-rounding{font-size:12px;color:#536c6d;line-height:1.65}.lab-regime-example .btn{white-space:normal;text-align:center}@media(max-width:760px){.lab-regime-cards{grid-template-columns:1fr}.lab-regime-facts{grid-template-columns:1fr}.lab-regime-facts>div{display:flex;align-items:center;justify-content:space-between;gap:14px}.lab-regime-facts dd{font-size:22px;margin:0}.lab-regime-card{padding:18px}.lab-regime-table th,.lab-regime-table td{padding:11px 8px}}
.lab-live-worked{--worked-color:#167a9b;border-top:4px solid var(--worked-color);scroll-margin-top:110px}.lab-live-worked-header{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.lab-live-worked-header>div{min-width:0}.lab-live-worked-header .lab-field{width:260px;max-width:45%;flex-shrink:0}.lab-live-worked-header h4{margin-bottom:8px}.lab-live-worked .lab-live-worked-note{font-size:13px;color:#536c6d;line-height:1.6}.lab-live-worked h5{font-size:19px;margin:28px 0 12px}.lab-live-worked h5.lab-live-case-title{font:700 24px/1.4 Alegreya,Georgia,serif;margin-top:22px}.lab-live-worked .lab-regime-facts{grid-template-columns:repeat(auto-fit,minmax(min(100%,190px),1fr))}.lab-live-worked .lab-regime-facts>div:first-child{background:#eaf5ee;border-left:3px solid var(--worked-color)}.lab-live-worked .lab-regime-facts>div:last-child:not(:first-child){background:#f0f6f9}.lab-live-steps{list-style:none;counter-reset:worked-step;margin:18px 0;padding:0;display:grid;gap:12px}.lab-live-steps>li{counter-increment:worked-step;position:relative;padding:20px 22px 18px 62px;border:1px solid #dce6e7;border-radius:10px;background:#f7fafb;min-width:0}.lab-live-steps>li::before{content:counter(worked-step);position:absolute;left:20px;top:20px;width:28px;height:28px;display:grid;place-items:center;background:var(--worked-color);color:white;font-size:13px;font-weight:700;border-radius:8px}.lab-live-steps h6,.lab-live-insights h6{font-size:16px;line-height:1.5;margin:0 0 8px}.lab-live-steps p{font-size:15px;line-height:1.75;margin:0;overflow-wrap:anywhere}.lab-live-worked .lab-regime-formula{font-variant-numeric:tabular-nums;padding:12px 16px;background:#fff;border-radius:7px;margin-top:12px;font-weight:600;overflow-wrap:anywhere}.lab-worked-table{max-height:420px;border:1px solid #dce6e7;border-radius:10px;overflow:auto}.lab-worked-table:focus-visible{outline:3px solid #8054bd;outline-offset:3px}.lab-worked-table table{font-size:14px;font-variant-numeric:tabular-nums}.lab-worked-table caption{text-align:left;font-size:13px;line-height:1.6;padding:14px;background:#f7fafb;color:#536c6d;white-space:normal}.lab-worked-table th,.lab-worked-table td{padding:12px 14px;line-height:1.6}.lab-worked-table tbody th{font-weight:500}.lab-worked-table thead th{position:sticky;top:0;background:#eaf1f3;z-index:1}.lab-worked-table tbody tr:nth-child(even){background:#f8faf9}.lab-live-insights{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.lab-live-insights .lab-explanation-card{min-width:0}.lab-live-insights p{font-size:15px;line-height:1.8;margin:0}.lab-live-compare{border-top:1px solid #dce6e7;margin-top:26px}.lab-live-comparison-values{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.lab-live-comparison-values>div{padding:16px;border:1px solid #dce6e7;border-left:4px solid var(--scenario-color);border-radius:8px;min-width:0}.lab-live-comparison-values strong,.lab-live-comparison-values span{display:block;font-size:14px;line-height:1.6;overflow-wrap:anywhere}.lab-live-comparison-values span{margin-top:8px}.lab-live-worked .lab-regime-rounding{font-size:12px;color:#536c6d;line-height:1.65}@media(max-width:760px){.lab-live-worked-header{flex-direction:column;gap:12px}.lab-live-worked-header .lab-field{width:100%;max-width:100%}.lab-live-insights,.lab-live-comparison-values{grid-template-columns:1fr}.lab-live-steps>li{padding:18px 16px 18px 52px}.lab-live-steps>li::before{left:14px;top:18px;width:26px;height:26px}.lab-worked-table th,.lab-worked-table td{padding:10px 8px}}
.lab-scenario-explanation .lab-comparison-value{font:700 25px/1.3 Alegreya,Georgia,serif;font-variant-numeric:tabular-nums;display:block;margin:7px 0;overflow-wrap:anywhere}
.lab-comparison.lab-scenario-explanation{color:#173a35}
.lab-inspectable-chart{position:relative}.lab-hover-instructions{font-size:12px;line-height:1.65;color:#536c6d;margin:14px 0}.lab-point-inspector{padding:20px;border:1px solid #c9dce5;border-radius:12px;background:#f5f9fc;margin:14px 0 22px;font-size:14px;line-height:1.7;scroll-margin-top:110px}.lab-point-inspector:focus-visible{outline:3px solid #8054bd;outline-offset:3px}.lab-hover-eyebrow{display:block;font-size:10px;line-height:1.5;text-transform:uppercase;letter-spacing:.05em;color:#526c7b;font-weight:700}.lab-point-inspector .lab-hover-title{font:700 22px/1.35 Alegreya,Georgia,serif;margin:6px 0 8px}.lab-hover-subtitle{font-size:13px;margin:0 0 15px;color:#536c6d}.lab-hover-values{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,180px),1fr));gap:10px;margin:14px 0}.lab-hover-value{display:flex;align-items:flex-start;gap:9px;border:1px solid #dce6eb;border-left:3px solid var(--scenario-color);background:#fff;border-radius:8px;padding:12px;min-width:0}.lab-hover-value>div{min-width:0}.lab-hover-value strong{font-size:16px;line-height:1.4;font-variant-numeric:tabular-nums;display:block;overflow-wrap:anywhere}.lab-hover-badge{display:grid;place-items:center;flex-shrink:0;width:23px;height:23px;border-radius:6px;background:var(--scenario-color);color:#fff;font-size:11px;font-weight:700}.lab-hover-model{display:block;font-size:11px;line-height:1.5;margin:4px 0;color:#536c6d}.lab-hover-value small{display:block;font-size:12px;line-height:1.65;overflow-wrap:anywhere}.lab-hover-value.unavailable{background:#f7f8f8}.lab-hover-differences{list-style:none;padding:0;margin:14px 0;display:grid;gap:7px}.lab-hover-differences li{border-left:3px solid var(--scenario-color);padding:6px 10px;background:#ffffffad;border-radius:4px;font-size:13px;line-height:1.6;overflow-wrap:anywhere}.lab-hover-explanations{border-top:1px solid #d8e5ec;padding-top:8px;margin-top:14px}.lab-hover-explanations p{font-size:14px;line-height:1.75;margin:8px 0;overflow-wrap:anywhere}.lab-point-tooltip{position:absolute;z-index:15;pointer-events:none;box-sizing:border-box;width:min(410px,calc(100% - 12px));padding:16px;background:#fffffff7;color:#173a35;border:1px solid #acc8d8;border-radius:12px;box-shadow:0 8px 28px #183a3533;text-align:left}.lab-point-tooltip .lab-hover-title{display:block;font-size:16px;line-height:1.4;margin:5px 0 8px}.lab-point-tooltip .lab-hover-values{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin:10px 0}.lab-point-tooltip .lab-hover-value{padding:7px;gap:6px}.lab-point-tooltip .lab-hover-value strong{font-size:13px;line-height:1.4}.lab-point-tooltip .lab-hover-badge{width:20px;height:20px;font-size:10px}.lab-point-tooltip .lab-hover-differences{margin:9px 0;gap:4px}.lab-point-tooltip .lab-hover-differences li{font-size:11px;line-height:1.45;padding:4px 8px;background:#f3f7fa}.lab-point-tooltip .lab-hover-explanations{margin-top:8px;padding-top:5px}.lab-point-tooltip .lab-hover-explanations p{font-size:12px;line-height:1.6;margin:5px 0}.lab-hover-footnote{display:block;font-size:10px;line-height:1.5;color:#536c6d;margin-top:8px}.lab-hover-target:focus-visible{outline:3px solid #8054bd;outline-offset:-2px}.lab-visual-tables tr.lab-hover-target:hover{background:#e8f2f7}.lab-order.lab-hover-target:hover{background:#e8f2f7}.lab-venn-controls{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.lab-venn-controls button{font-size:11px;border:1px solid #c8d7de;border-radius:6px;background:#f5f9fb;color:#173a35;padding:7px 9px;cursor:pointer}.lab-chart .lab-hover-dot{pointer-events:none}.lab-chart-dialog .lab-point-inspector{font-size:14px}@media(max-width:600px){.lab-point-inspector{padding:15px}.lab-point-inspector .lab-hover-values{grid-template-columns:1fr}.lab-point-tooltip{padding:12px}.lab-point-tooltip .lab-hover-title{font-size:14px}.lab-point-tooltip .lab-hover-explanations p{font-size:11px}}
/* Discipline accents and semantic activities. */
.study-discipline-card { border-top: 4px solid var(--discipline-color); }
.study-discipline-card .study-card-icon { color: var(--discipline-color); background: color-mix(in srgb, var(--discipline-color) 11%, white); }
.study-discipline-card strong { color: var(--discipline-color); }
.study-lab .lab-lesson, [data-study-lab] .lab-lesson { border-top: 4px solid var(--discipline-color, #236454); }
[data-study-lab] .lab-tag { color: var(--discipline-color, #236454); background: color-mix(in srgb, var(--discipline-color, #236454) 10%, white); }
[data-extended="true"] .lab-result-value { font-size: clamp(1.05rem,1.45vw,1.5rem); line-height: 1.5; overflow-wrap: anywhere; }
[data-extended="true"] .lab-formula { border-left-color: var(--discipline-color); }
.edu-case-grid { display: grid; gap: 22px; }
.edu-case-grid.comparing { grid-template-columns: repeat(2, minmax(0,1fr)); }
.edu-case { min-width: 0; padding: 20px; border: 1px solid #d8e3e1; border-top: 4px solid var(--scenario-color); border-radius: 14px; background: #fcfdfd; }
.edu-case h5 { font-size: 1.14rem; line-height: 1.45; margin: 0 0 10px; }
.edu-case-eyebrow { color: var(--scenario-color); font-size: .73rem; font-weight: 700; letter-spacing: .04em; margin: 0 0 8px; }
.edu-case-context { color: #536575; font-size: .87rem; line-height: 1.7; }
.edu-case-prompt { line-height: 1.75; font-size: .98rem; color: #203e46; }
.edu-segments { display: flex; flex-wrap: wrap; gap: 9px; margin: 20px 0 10px; padding: 0; list-style: none; }
.edu-segments li { flex: 1 1 170px; min-width: 0; position: relative; }
.edu-segments li + li::before { content: '→'; display: block; color: var(--scenario-color); font-weight: 700; }
.edu-segment { display: flex; flex: 1 1 170px; flex-direction: column; gap: 7px; text-align: left; padding: 13px 15px; background: #e9f5fa; color: #234f6c; border: 1px solid #c4e2ee; border-radius: 10px; font: inherit; cursor: pointer; line-height: 1.55; width: 100%; }
.edu-segment small { font-size: .71rem; text-transform: uppercase; font-weight: 700; letter-spacing: .035em; }
.edu-segment span { font-size: .96rem; }
.edu-segment.tone-1 { background:#fff3df;color:#78500c;border-color:#edd8ab; }
.edu-segment.tone-2 { background:#f0eafb;color:#634388;border-color:#d8c8ee; }
.edu-segment.tone-3 { background:#fceaf0;color:#914b67;border-color:#ecc8d5; }
.edu-segment.tone-4 { background:#e6f5ed;color:#2c6750;border-color:#c0dfd0; }
.edu-segment.tone-5 { background:#eaf0fd;color:#37578c;border-color:#c8d7f2; }
.edu-segment:hover,.edu-segment:focus-visible,.edu-fact:hover,.edu-fact:focus-visible { outline: 3px solid color-mix(in srgb,var(--scenario-color) 65%,white); outline-offset: 2px; }
.edu-segment-note { background: #fff; border-left: 3px solid var(--scenario-color); padding: 13px 15px; min-height: 72px; line-height: 1.75; font-size: .88rem; }
.edu-facts { display: grid; grid-template-columns: repeat(auto-fit,minmax(140px,1fr)); gap: 9px; margin-top: 18px; }
.edu-fact { display: flex; flex-direction: column; gap: 7px; width: 100%; padding: 12px; text-align: left; font: inherit; background: #fff; border: 1px solid #d2e0df; border-radius: 9px; cursor:pointer; color:#213e49; }
.edu-fact small { font-size:.75rem;color:#536575; }
.edu-fact strong { font-size:.9rem;line-height:1.55; }
.edu-data-table { margin-top: 18px; }
.edu-data-table caption { text-align:left;padding:12px 0;font-weight:700; }
.edu-data-table th { background:#edf3f8; }
.edu-case-matrix .edu-segments { display:grid;grid-template-columns:repeat(2,minmax(0,1fr)); }
.edu-case details { margin-top:18px; }
[data-extended="true"] .lab-point-tooltip { max-width: min(440px,calc(100% - 12px)); }
[data-extended="true"] .lab-point-tooltip .lab-hover-explanations p { font-size: .76rem; }
@media(max-width:900px){.edu-case-grid.comparing{grid-template-columns:1fr;}.edu-case{padding:15px;}}
@media(max-width:520px){.edu-case-matrix .edu-segments{grid-template-columns:1fr;}.edu-facts{grid-template-columns:1fr;}}