._demo_w1d8s_1{color:var(--foreground);border:1px solid var(--border);background:var(--card);border-radius:16px;overflow:hidden}._demoHeader_w1d8s_8{padding:26px 26px 0}._eyebrow_w1d8s_11{letter-spacing:.12em;text-transform:uppercase;opacity:.65;font-size:11px;font-weight:600}._demoHeader_w1d8s_8 h2{letter-spacing:-.035em;margin:12px 0;font-size:clamp(25px,3vw,34px);font-weight:650;line-height:1.2}._demoHeader_w1d8s_8>p:last-child{opacity:.8;max-width:65ch;line-height:1.7}._liveFormula_w1d8s_30{flex-wrap:wrap;align-items:center;gap:8px;margin:16px 26px 0;font:23px/1.6 Georgia,serif;display:flex}._formulaTerm_w1d8s_40{cursor:pointer;border:1px solid #0000;border-radius:6px;padding:2px 7px}._formulaTerm_w1d8s_40[data-tone=first]{color:#39b8a3;background:#2b9a8817}._formulaTerm_w1d8s_40[data-tone=second]{color:#e4a88c;background:#d0876917}._formulaNote_w1d8s_54{margin-left:auto;font-size:18px}._experiment_w1d8s_58{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:26px;padding:26px;display:grid}._chart_w1d8s_64{background:color-mix(in srgb, var(--foreground) 4%, var(--card));border-radius:10px;align-items:end;gap:16px;padding:18px 14px;display:flex}._barColumn_w1d8s_72{text-align:center;flex-direction:column;flex:1;align-items:center;min-width:0;display:flex}._amount_w1d8s_80{font-variant-numeric:tabular-nums;letter-spacing:-.04em;font-size:clamp(26px,4vw,40px);font-weight:650}._barSpace_w1d8s_86{border-bottom:1px solid var(--border);align-items:end;width:100%;height:150px;margin:14px 0;display:flex}._bar_w1d8s_72{background:#7d8d9f;border-radius:4px 4px 0 0;width:100%;transition:height .16s ease-out}._barColumn_w1d8s_72[data-tone=first] ._bar_w1d8s_72{background:#2b9a88}._barColumn_w1d8s_72[data-tone=second] ._bar_w1d8s_72{background:#d08769}._barLabel_w1d8s_106{font-size:12px;font-weight:600}._delta_w1d8s_110{opacity:.75;font-variant-numeric:tabular-nums;margin-top:6px;font-size:12px}._controls_w1d8s_116{flex-direction:column;justify-content:center;gap:22px;min-width:0;display:flex}._controls_w1d8s_116 label{grid-template-columns:1fr auto;gap:10px;font-size:13px;display:grid}._controls_w1d8s_116 strong{font-variant-numeric:tabular-nums}._controls_w1d8s_116 input{accent-color:#2b9a88;cursor:pointer;grid-column:1/-1;width:100%;min-height:32px}._controls_w1d8s_116 label[data-tone=second] input{accent-color:#d08769}._textButton_w1d8s_142{text-align:left;text-underline-offset:3px;cursor:pointer;font-size:12px;text-decoration:underline}._instruction_w1d8s_149,._small_w1d8s_150,._assumptions_w1d8s_151{opacity:.72;font-size:12px;line-height:1.7}._observation_w1d8s_156{background:color-mix(in srgb, #2b9a88 9%, var(--card));border-left:3px solid #2b9a88;margin:0 26px 22px;padding:18px 20px;font-size:13px;line-height:1.7}._metric_w1d8s_164{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:8px;display:flex}._metric_w1d8s_164>span{font-size:12px}._metric_w1d8s_164>strong{font-variant-numeric:tabular-nums;letter-spacing:-.04em;font-size:34px;line-height:1.1}._scatter_w1d8s_180{background:color-mix(in srgb, var(--foreground) 4%, var(--card));border-radius:10px;min-width:0;padding:8px}._scatter_w1d8s_180>p{padding:6px}._presets_w1d8s_189{flex-wrap:wrap;gap:8px;margin:12px 0;display:flex}._presets_w1d8s_189 button{border:1px solid var(--border);cursor:pointer;border-radius:7px;min-height:40px;padding:9px 13px;font-size:13px}._formula_w1d8s_40{margin:0 26px 20px;font-size:14px;line-height:1.8}._formula_w1d8s_40 summary{cursor:pointer;font-weight:600}._formulaLine_w1d8s_212{overflow-wrap:anywhere;margin:16px 0;font-family:monospace;font-size:22px}._formula_w1d8s_40 ol{gap:10px;padding-left:20px;list-style:decimal;display:grid}._assumptions_w1d8s_151{padding:0 26px 22px}._check_w1d8s_227{border-top:1px solid var(--border);padding:24px 26px}._check_w1d8s_227 legend{float:left;width:100%;margin-bottom:12px;font-size:19px;font-weight:600}._check_w1d8s_227>p{clear:both;line-height:1.8}._choices_w1d8s_242{flex-wrap:wrap;gap:12px;margin:18px 0;display:flex}._choices_w1d8s_242 label{border:1px solid var(--border);cursor:pointer;border-radius:8px;align-items:start;gap:10px;padding:12px 20px;display:flex}._choices_w1d8s_242 input{flex-shrink:0;margin-top:3px}._choices_w1d8s_242 label[data-selected=true]{background:#2b9a8817;border-color:#2b9a88}._feedback_w1d8s_265{margin-top:18px;font-size:14px;line-height:1.8}._feedback_w1d8s_265 strong{margin:8px 0;display:block}._next_w1d8s_274{border-top:1px solid var(--border);grid-template-columns:1fr 1fr;gap:24px;padding:24px 26px;display:grid}._courseLink_w1d8s_281{margin:10px 0;font-size:16px;text-decoration:underline;display:inline-block}._foundationLink_w1d8s_287{margin:8px 0;font-size:12px;text-decoration:underline;display:block}._demo_w1d8s_1[data-active=first] [data-tone=first],._demo_w1d8s_1[data-active=second] [data-tone=second]{outline-offset:4px;border-radius:6px;outline:2px solid}._error_w1d8s_299{color:var(--foreground);border-left:3px solid #d08769;margin:12px 0;padding:10px 14px;font-size:13px}._simpleWorkspace_w1d8s_307{padding-bottom:24px}._simpleHeading_w1d8s_310{justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px;display:flex}._simpleHeading_w1d8s_310 h1{letter-spacing:-.025em;color:var(--foreground);margin:0;font-size:26px;font-weight:600}._simpleHeading_w1d8s_310 p{color:#aaa;margin-top:6px;font-size:13px}._simpleActions_w1d8s_329{align-items:center;gap:14px;display:flex}._simpleActions_w1d8s_329 :is(a,button){color:#f2f2f2;cursor:pointer;background:#151515;border:1px solid #3c3c3c;border-radius:6px;padding:8px 12px;font-size:12px}._simpleActions_w1d8s_329 button:disabled{opacity:.4;cursor:default}._simpleGrid_w1d8s_347{grid-template-columns:minmax(0,1.65fr) minmax(340px,1fr);align-items:start;gap:28px;display:grid}._paperColumn_w1d8s_353{--foreground:#27313b;--background:#fff;--border:#e2e5e9;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--foreground);background:#fff;border:1px solid #e0e4e9;min-width:0;box-shadow:0 2px 10px #23354a06}._documentLabel_w1d8s_364{color:#7a8591;border-bottom:1px solid #e8ebef;justify-content:space-between;padding:13px 20px;font-size:11px;display:flex}._sourceFrame_w1d8s_372{scrollbar-width:thin;scrollbar-color:#ccd3da transparent;overscroll-behavior:contain;max-height:calc(100dvh - 280px);overflow:auto}._paperImage_w1d8s_379{width:min(100%,720px);margin:auto;position:relative}._paperImage_w1d8s_379 img{width:100%;height:auto;display:block}._imageHighlight_w1d8s_389{background:color-mix(in srgb, var(--marker) 20%, transparent);cursor:pointer;border:0;border-radius:1px;padding:0;position:absolute}._imageHighlight_w1d8s_389[data-number="1"]{--marker:#dfc761}._imageHighlight_w1d8s_389[data-number="2"]{--marker:#8ab3d0}._imageHighlight_w1d8s_389[data-number="3"]{--marker:#d5a1ad}._imageHighlight_w1d8s_389[aria-pressed=true],._imageHighlight_w1d8s_389:hover{background:color-mix(in srgb, var(--marker) 33%, transparent)}._marginNumber_w1d8s_410{color:#5f6570;background:color-mix(in srgb, var(--marker) 18%, #fff);border:1px solid color-mix(in srgb, var(--marker) 45%, #e2e5e9);border-radius:3px;place-items:center;width:22px;height:22px;font:11px/1 Arial,sans-serif;display:grid;position:absolute;top:-2px;left:calc(100% + 8px)}._paperCaption_w1d8s_426{color:#8a929a;border-top:1px solid #edf0f3;margin:0;padding:13px 18px;font-size:10px;line-height:1.6}._paperCaption_w1d8s_426 a{color:#697e92;text-underline-offset:3px;text-decoration:underline}._paperCaption_w1d8s_426>span{margin-top:3px;font-size:9px;display:block}._commentsColumn_w1d8s_444{--foreground:#27313b;--background:#fff;--border:#e2e5e9;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--foreground);background:#fff;border:1px solid #e0e4e9;min-width:0;position:sticky;top:88px}._commentsLabel_w1d8s_456{color:#5a6774;border-bottom:1px solid #dfe4e9;justify-content:space-between;padding:13px 20px;font-size:12px;display:flex}._commentsLabel_w1d8s_456 span{color:#9aa2ab;font-size:11px}._simplePanel_w1d8s_468{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#cbd3db transparent;background:#fff;border:0;max-height:calc(100dvh - 260px);overflow:auto}._reviewComment_w1d8s_477{border-bottom:1px solid #e8edf1;border-left:2px solid #0000;padding:20px 21px;scroll-margin-top:84px}._reviewComment_w1d8s_477:last-child{border-bottom:0}._reviewComment_w1d8s_477[data-selected=true]{border-left-color:#839aad}._commentHeading_w1d8s_489{text-align:left;cursor:pointer;align-items:start;gap:10px;width:100%;display:flex}._commentHeading_w1d8s_489 h2{color:#31404e;margin:0;font-size:14px;font-weight:600;line-height:1.5}._commentNumber_w1d8s_504{color:#697789;background:#f9fafb;border:1px solid #dce2e8;border-radius:3px;flex-shrink:0;place-items:center;width:21px;height:21px;font-size:10px;display:grid}._reviewComment_w1d8s_477[data-number="1"] ._commentNumber_w1d8s_504{background:#faf6e7;border-color:#e9ddb0}._reviewComment_w1d8s_477[data-number="2"] ._commentNumber_w1d8s_504{background:#eef4f9;border-color:#caddea}._reviewComment_w1d8s_477[data-number="3"] ._commentNumber_w1d8s_504{background:#f9eef1;border-color:#e6cdd4}._commentSummary_w1d8s_528{color:#66717d;margin:11px 0 0;padding-left:31px;font-size:13px;line-height:1.75}._bookExample_w1d8s_535{margin-top:18px}._exampleCaption_w1d8s_538{color:#4b6073;flex-direction:column;gap:4px;font-size:12px;display:flex}._exampleCaption_w1d8s_538 span{color:#969ea7;font-size:10px}._bookPlot_w1d8s_549{margin-top:11px}._plotAxis_w1d8s_552{text-align:right;color:#929ba5;font-size:10px}._exampleResult_w1d8s_557{color:#7b8792;border-top:1px solid #e8edf2;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:7px;margin-top:14px;padding-top:12px;font-size:11px;display:flex}._exampleResult_w1d8s_557 strong{color:#40586d;font-variant-numeric:tabular-nums;font-size:13px;font-weight:500}._exampleResult_w1d8s_557>span{color:#8c96a0;flex:0 0 100%;font-size:10px}._bookControl_w1d8s_580{color:#526273;grid-template-columns:1fr auto;gap:7px;margin-top:15px;font-size:12px;display:grid}._bookControl_w1d8s_580 input{accent-color:#8097ab;cursor:pointer;grid-column:1/-1;width:100%;min-height:25px}._bookControl_w1d8s_580 span{font-variant-numeric:tabular-nums;color:#9ca4ae}._plotToggle_w1d8s_599{color:#66717d;cursor:pointer;align-items:center;gap:8px;margin-top:11px;font-size:12px;line-height:1.5;display:flex}._plotToggle_w1d8s_599 input{accent-color:#6e879c;flex-shrink:0;width:14px;height:14px}._pointExplanation_w1d8s_615{color:#66717d;margin-top:13px;font-size:12px;line-height:1.75}._pointExplanation_w1d8s_615 strong{color:#43586c;font-variant-numeric:tabular-nums;font-weight:500}._workedFormula_w1d8s_626{color:#40586d;font-variant-numeric:tabular-nums;padding:9px 0;font-size:12px;line-height:1.7}._workedDetails_w1d8s_633{color:#66717d;margin-top:13px;font-size:12px;line-height:1.75}._workedDetails_w1d8s_633 summary{cursor:pointer;color:#526e88;min-height:28px;display:list-item}._workedDetails_w1d8s_633 p{margin:9px 0 0}._exampleTable_w1d8s_648{border-collapse:collapse;color:#83909b;width:100%;margin-top:9px;font-size:11px}._exampleTable_w1d8s_648 td{border-bottom:1px solid #edf0f3;padding:6px 0}._exampleTable_w1d8s_648 td:last-child{text-align:right;color:#546a7e;font-variant-numeric:tabular-nums;font-size:10px}._fitText_w1d8s_665{color:#6d8297;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;margin-top:9px;font-size:10px;text-decoration:underline}._commentCourse_w1d8s_675{border-top:1px solid #e8edf2;margin-top:16px;padding-top:12px}._commentCourse_w1d8s_675>span{color:#9aa3ad;margin-bottom:6px;font-size:9px;display:block}._commentCourse_w1d8s_675 a{color:#52779b;text-underline-offset:3px;font-size:12px;text-decoration:underline}._commentCourse_w1d8s_675 p{color:#9aa3ad;margin-top:6px;font-size:10px;line-height:1.6}._simpleDemo_w1d8s_698{--foreground:#43566a;--border:#e3e8ed;--card:#fff;background:0 0;border:0;border-radius:0}._simpleDemo_w1d8s_698 ._demoHeader_w1d8s_8{margin-top:15px;padding:0}._simpleDemo_w1d8s_698 ._demoHeader_w1d8s_8 h2{margin:0 0 7px;font-size:14px;font-weight:550}._simpleDemo_w1d8s_698 ._demoHeader_w1d8s_8 p{color:#83909b;font-size:11px;line-height:1.7}._simpleDemo_w1d8s_698 ._liveFormula_w1d8s_30{margin:13px 0 0;font-size:17px}._simpleDemo_w1d8s_698 ._formulaTerm_w1d8s_40{color:#657e94;background:0 0;border:0;padding:0 2px}._simpleDemo_w1d8s_698 ._experiment_w1d8s_58{grid-template-columns:1fr;gap:12px;padding:15px 0}._simpleDemo_w1d8s_698 ._chart_w1d8s_64,._simpleDemo_w1d8s_698 ._scatter_w1d8s_180{background:#fafbfd;border-radius:0;padding:10px}._simpleDemo_w1d8s_698 ._amount_w1d8s_80{font-size:20px;font-weight:500}._simpleDemo_w1d8s_698 ._barSpace_w1d8s_86{height:80px}._simpleDemo_w1d8s_698 ._bar_w1d8s_72{background:#91a4b5;border-radius:0}._simpleDemo_w1d8s_698 ._controls_w1d8s_116{gap:12px}._simpleDemo_w1d8s_698 ._controls_w1d8s_116 label{font-size:11px}._simpleDemo_w1d8s_698 ._controls_w1d8s_116 input{accent-color:#8097ab}._simpleDemo_w1d8s_698 ._instruction_w1d8s_149{display:none}._simpleDemo_w1d8s_698 ._observation_w1d8s_156{background:0 0;border:0;border-top:1px solid #e6ebef;margin:0;padding:10px 0 0}._simpleDemo_w1d8s_698 ._metric_w1d8s_164>strong{font-size:17px;font-weight:500}._simpleDemo_w1d8s_698 ._observation_w1d8s_156 p{color:#8a95a0;font-size:10px}._simpleCourse_w1d8s_779{border-top:1px solid #e8edf2;margin-top:14px;padding-top:12px}._simpleCourse_w1d8s_779 span{color:#9aa3ad;margin-bottom:6px;font-size:9px;display:block}._simpleCourse_w1d8s_779 a{color:#52779b;text-underline-offset:3px;font-size:12px;text-decoration:underline}._uploadNote_w1d8s_796{color:#aaa;margin-top:15px;font-size:10px}._uploadNote_w1d8s_796 summary{cursor:pointer;display:list-item}._uploadNote_w1d8s_796 p{max-width:65ch;margin-top:8px;line-height:1.7}._panelPlaceholder_w1d8s_810{color:#8994a0;padding:23px;font-size:12px;line-height:1.7}._panelPlaceholder_w1d8s_810 button{color:#617d97;cursor:pointer;margin-top:10px;font-size:11px;text-decoration:underline}._simpleWorkspace_w1d8s_307 :is(input,a,button,summary):focus-visible{outline-offset:3px;outline:2px solid #8da5ba}@media (max-width:900px){._simpleGrid_w1d8s_347{grid-template-columns:1fr 340px;gap:20px}._commentSummary_w1d8s_528{padding-left:0}}@media (max-width:760px){._simpleGrid_w1d8s_347{grid-template-columns:1fr}._commentsColumn_w1d8s_444{position:static}._sourceFrame_w1d8s_372{max-height:520px}._simplePanel_w1d8s_468{max-height:none}._simpleHeading_w1d8s_310{gap:12px}._simpleHeading_w1d8s_310 h1{font-size:22px}._simpleHeading_w1d8s_310 p{max-width:34ch}._simpleActions_w1d8s_329 :is(a,button){padding:8px 9px;font-size:11px}._marginNumber_w1d8s_410{width:24px;height:24px}}@media (min-width:761px){._simpleGrid_w1d8s_347{align-items:stretch;height:calc(100dvh - 102px);scroll-margin-top:86px}._paperColumn_w1d8s_353,._commentsColumn_w1d8s_444{flex-direction:column;height:100%;min-height:0;display:flex;overflow:hidden}._commentsColumn_w1d8s_444{position:static}._documentLabel_w1d8s_364,._commentsLabel_w1d8s_456,._paperCaption_w1d8s_426{flex-shrink:0}._sourceFrame_w1d8s_372,._simplePanel_w1d8s_468{flex:1;height:auto;min-height:0;max-height:none}}