.foundation_page__GKc4S{height:calc(100vh / var(--page-zoom, 1));min-height:0;min-width:1260px;overflow:hidden;position:relative;display:grid;grid-template-rows:auto minmax(0,1fr) auto;grid-row-gap:clamp(12px,1.6vh,18px);row-gap:clamp(12px,1.6vh,18px);padding:clamp(14px,1.8vh,18px) clamp(16px,1.3vw,26px) 12px;font-family:var(--font-body)}.foundation_ampereReplicaOverview__vVDHG{overflow:hidden}.foundation_ampereReplicaWorkspace__VL3M6{grid-template-rows:auto minmax(0,1fr);gap:16px;height:100%;min-height:0;padding:20px;overflow:hidden;background:rgb(var(--panel-rgb)/.42);border:1px dashed var(--line-soft);border-radius:8px}.foundation_ampereReplicaWorkspace__VL3M6 .foundation_experimentHeader__dOGfh{align-items:flex-start}.foundation_ampereReplicaWorkspace__VL3M6 .foundation_eyebrow__HmL5u{margin:0 0 8px;color:var(--green);font-weight:900}.foundation_ampereReplicaWorkspace__VL3M6 .foundation_experimentHeader__dOGfh h2{font-weight:700;line-height:1.05}.foundation_ampereReplicaWorkspace__VL3M6 .foundation_experimentSubtitle__PR_Ba{margin-top:8px;font-weight:700}.foundation_ampereReplicaWorkspace__VL3M6 .foundation_experimentToolbar__FMSTT{padding-top:0}.foundation_ampereReplicaWorkspace__VL3M6 .foundation_experimentToolbar__FMSTT button{min-height:42px;padding:0 13px;font-size:14px;background:rgb(var(--panel-rgb)/.92);border-color:var(--line-soft);box-shadow:none}.foundation_ampereReplicaGrid__SxWtD{display:grid;grid-template-columns:.84fr 1.08fr 1.2fr .74fr .86fr;grid-template-rows:minmax(0,1.2fr) minmax(0,.5fr) minmax(180px,.96fr);grid-template-areas:"demo demo demo analysis analysis" "demo demo demo data data" "params controls diranalysis data data";grid-gap:14px;gap:14px;min-height:0;overflow:hidden}.foundation_ampereReplicaCard__92JXW{min-width:0;min-height:0;overflow:hidden;background:transparent;border:1.5px solid var(--line-soft);border-radius:8px}.foundation_ampereReplicaCard__92JXW h3{margin:0;color:var(--ink);font-size:18px;font-weight:700;line-height:1.1}.foundation_ampereReplicaDemoCard__bHzxT{grid-area:demo;display:grid;grid-template-rows:auto minmax(0,1fr);grid-gap:8px;gap:8px;padding:18px 18px 14px}.foundation_ampereReplicaSvg__6yh_E{display:block;width:100%;height:100%;min-height:0}.foundation_ampereThreeFrame__gX75q{position:relative;width:100%;height:100%;min-height:0;overflow:hidden;background:radial-gradient(circle at 52% 36%,rgba(255,255,255,.66),rgb(var(--panel-rgb)/0) 46%),linear-gradient(rgba(110,134,122,.075) 1px,transparent 1px),linear-gradient(90deg,rgba(110,134,122,.075) 1px,transparent 1px),linear-gradient(180deg,rgb(var(--panel-rgb)/.96),rgba(246,238,224,.92));background-size:auto,22px 22px,22px 22px,auto;border:1px solid rgba(205,196,181,.48);border-radius:6px}.foundation_ampereThreeCanvas__9uyts{position:relative;z-index:1;display:block;width:100%;height:100%;cursor:-webkit-grab;cursor:grab;touch-action:none}.foundation_ampereThreeCanvas__9uyts:active{cursor:-webkit-grabbing;cursor:grabbing}.foundation_ampereThreeLegend__89T8a{position:absolute;right:12px;bottom:12px;z-index:2;display:grid;grid-template-columns:repeat(3,max-content);grid-gap:8px;gap:8px;align-items:center;max-width:calc(100% - 24px);padding:7px 9px;pointer-events:none;background:rgb(var(--panel-rgb)/.84);border:1px solid rgba(205,196,181,.78);border-radius:6px;box-shadow:0 8px 18px rgb(var(--shadow-rgb)/.08);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.foundation_ampereThreeLegend__89T8a span{font-size:12px;font-weight:900;white-space:nowrap}.foundation_ampereThreeLegend__89T8a span[data-tone=red]{color:#e54343}.foundation_ampereThreeLegend__89T8a span[data-tone=blue]{color:#2b7bd3}.foundation_ampereThreeLegend__89T8a span[data-tone=green]{color:#1f9a5b}.foundation_ampereThreeFallback__89IoG{position:absolute;inset:12px;z-index:3;display:grid;place-items:center;padding:18px;color:var(--muted-ink);font-size:13px;font-weight:800;text-align:center;background:rgb(var(--panel-rgb)/.86);border:1px dashed rgba(47,143,85,.34);border-radius:6px}.foundation_ampereReplicaAnalysis__q0UO2{grid-area:analysis;display:grid;grid-template-rows:auto auto minmax(0,1fr);grid-gap:7px;gap:7px;padding:18px 18px 14px}.foundation_ampereReplicaAnalysis__q0UO2>p{margin:0;color:var(--muted-ink);font-size:13px;font-weight:700}.foundation_ampereReplicaAnalysisBody__ZMWN6{display:grid;place-items:center;grid-gap:18px;gap:18px;min-height:0}.foundation_ampereReplicaRuleFigure__gffZi{width:100%;height:100%;min-height:0;filter:drop-shadow(0 10px 18px rgb(var(--shadow-rgb)/.12))}.foundation_ampereReplicaChart__BEkh1{width:100%;height:100%;min-height:180px}.foundation_ampereReplicaDataHeader__4nlMi{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.foundation_ampereReplicaDataHeader__4nlMi h3{margin:0}.foundation_ampereReplicaFormulaBadge__JgabO{display:inline-flex;align-items:center;padding:4px 14px;font-size:15px;font-weight:700;color:#2aa66a;background:rgba(42,166,106,.07);border:1.5px solid rgba(42,166,106,.18);border-radius:8px;white-space:nowrap}.foundation_ampereReplicaDirectionAnalysis__qJasq{grid-area:diranalysis;display:grid;grid-template-rows:auto minmax(0,1fr) auto;align-content:stretch;grid-gap:8px;gap:8px;padding:11px 13px}.foundation_ampereReplicaDirectionAnalysis__qJasq>h3{font-size:15px;line-height:1.05}.foundation_ampereReplicaDirectionList__KZF29{display:grid;grid-auto-rows:1fr;grid-gap:7px;gap:7px;align-content:stretch;margin:0;padding:0;list-style:none}.foundation_ampereReplicaDirectionList__KZF29 li{display:flex;align-items:center;justify-content:space-between;gap:6px;min-width:0;min-height:30px;padding:0 9px;background:rgb(var(--panel-rgb)/.72);border:1.5px solid rgba(205,196,181,.86);border-radius:6px}.foundation_ampereReplicaDirectionList__KZF29 li>span{flex:none;color:var(--muted-ink);font-size:11.5px;font-weight:700}.foundation_ampereReplicaDirectionList__KZF29 li>strong{overflow:hidden;color:var(--ink);font-size:12.5px;font-weight:800;text-align:right;text-overflow:ellipsis;white-space:nowrap}.foundation_ampereReplicaDirectionList__KZF29 li>strong[data-tone=red]{color:#e54343}.foundation_ampereReplicaDirectionList__KZF29 li>strong[data-tone=blue]{color:#2b7bd3}.foundation_ampereReplicaDirectionList__KZF29 li>strong[data-tone=green]{color:#2aa66a}.foundation_ampereReplicaDirectionFormula__EPDdx{margin:0;color:var(--ink);font-size:13.5px;font-weight:800;letter-spacing:.01em;white-space:nowrap}.foundation_ampereReplicaDirectionZero__GKFvB{margin:2px 0 0;color:#b5630f;font-size:12px;font-weight:700}.foundation_ampereReplicaDirectionBadge__JHgn2{display:grid;grid-template-columns:minmax(90px,auto) minmax(0,1fr) 28px;grid-gap:12px;gap:12px;align-items:center;min-height:54px;padding:0 18px;background:rgb(var(--panel-rgb)/.72);border:1.5px solid rgba(205,196,181,.86);border-radius:6px}.foundation_ampereReplicaDirectionBadge__JHgn2 span{color:var(--ink);font-size:15px;font-weight:800;white-space:nowrap}.foundation_ampereReplicaDirectionBadge__JHgn2 strong{overflow:hidden;font-size:15px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.foundation_ampereReplicaDirectionBadge__JHgn2 strong[data-tone=red]{color:#e54343}.foundation_ampereReplicaDirectionBadge__JHgn2 strong[data-tone=blue]{color:#2b7bd3}.foundation_ampereReplicaDirectionBadge__JHgn2 strong[data-tone=green],.foundation_ampereReplicaDirectionBadge__JHgn2 svg{color:#2aa66a}.foundation_ampereReplicaParallelNote__7I2ZE{margin:4px 0 0;padding:8px 10px;border-radius:8px;border-left:3px solid #e0a33a;background:rgba(224,163,58,.12);color:#8a5a12;font-size:13px;font-weight:700;line-height:1.5}.foundation_ampereReplicaSteps__JQdtS{display:grid;align-content:center;grid-gap:14px;gap:14px}.foundation_ampereReplicaSteps__JQdtS ol{display:grid;grid-gap:14px;gap:14px;margin:0;padding:0;list-style:none}.foundation_ampereReplicaSteps__JQdtS li{display:grid;grid-template-columns:30px minmax(0,1fr);grid-gap:13px;gap:13px;align-items:center}.foundation_ampereReplicaStepNum__Uz_EB{display:grid;place-items:center;width:30px;height:30px;border-radius:999px;color:#fff;font-size:15px;font-weight:800;box-shadow:0 4px 10px rgb(var(--shadow-rgb)/.18)}.foundation_ampereReplicaStepText__s3BVg{display:grid;grid-gap:2px;gap:2px}.foundation_ampereReplicaStepText__s3BVg>span{color:var(--ink);font-size:15px;font-weight:700}.foundation_ampereReplicaStepText__s3BVg>strong{font-size:13px;font-weight:800;letter-spacing:.01em}.foundation_ampereReplicaStepNote__VzAny{margin:2px 0 0;padding:9px 12px;border-radius:8px;background:rgb(var(--shadow-rgb)/.07);color:var(--muted-ink);font-size:12.5px;font-weight:700;line-height:1.5}.foundation_ampereReplicaParams__PDKZ9{grid-area:params;display:grid;grid-template-columns:minmax(0,1fr);grid-gap:6px;gap:6px;align-content:start;padding:13px}.foundation_ampereReplicaParams__PDKZ9>h3{grid-column:1/-1}.foundation_ampereReplicaParams__PDKZ9 label{display:grid;grid-template-areas:"dot name unit" "stepper stepper unit";grid-template-columns:14px minmax(0,1fr) 18px;grid-template-rows:auto auto;grid-gap:3px 6px;gap:3px 6px;align-items:center;min-height:52px;min-width:0;padding:5px 7px;background:transparent;border:0;border-radius:0}.foundation_ampereReplicaControlRow__txqNv>span,.foundation_ampereReplicaParams__PDKZ9 label>span,.foundation_ampereReplicaSliderRow__w0IAA>span{color:var(--ink);font-size:13px;font-weight:800}.foundation_ampereReplicaParams__PDKZ9 label>span{grid-area:name;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.foundation_ampereReplicaParams__PDKZ9 label>b{grid-area:unit;align-self:end;color:var(--ink);font-size:13px;font-weight:800;text-align:left}.foundation_ampereReplicaParams__PDKZ9 label>i{grid-area:dot;justify-self:center;width:11px;height:11px;border:2px solid rgb(var(--panel-rgb)/.92);border-radius:50%;box-shadow:0 0 0 1px rgba(21,23,21,.08)}.foundation_ampereReplicaParams__PDKZ9 label>i[data-color=red]{background:#e54343}.foundation_ampereReplicaParams__PDKZ9 label>i[data-color=blue]{background:#2b7bd3}.foundation_ampereReplicaParams__PDKZ9 label>i[data-color=green]{background:#2aa66a}.foundation_ampereReplicaParams__PDKZ9 label>i[data-color=orange]{background:#f27f16}.foundation_ampereReplicaParams__PDKZ9 .foundation_numberStepper__CacMF{grid-area:stepper;width:100%}.foundation_ampereReplicaParams__PDKZ9 .foundation_numberStepper__CacMF input[type=number]{min-height:32px;padding:0 6px;font-size:13px;font-weight:800}.foundation_ampereReplicaControls__2Rmf4{grid-area:controls;display:grid;grid-gap:6px;gap:6px;align-content:start;padding:10px 11px 9px}.foundation_ampereReplicaControlRow__txqNv{display:grid;grid-template-columns:minmax(70px,.86fr) repeat(2,minmax(58px,1fr));grid-gap:6px;gap:6px;align-items:center}.foundation_ampereReplicaChoice__WisOy{display:grid;place-items:center;min-height:29px;color:var(--muted-ink);font-size:12px;font-weight:800;background:rgb(var(--panel-rgb)/.88);border:1.5px solid rgba(205,196,181,.92);border-radius:6px}.foundation_ampereReplicaChoice__WisOy[aria-pressed=true]{color:#fff;background:var(--green);border-color:var(--green)}.foundation_ampereReplicaSliderRow__w0IAA{display:grid;grid-template-columns:minmax(76px,1fr) minmax(76px,1fr) 48px;grid-gap:6px;gap:6px;align-items:center}.foundation_ampereReplicaSliderRow__w0IAA input[type=range]{accent-color:#1f9a5b}.foundation_ampereReplicaSliderRow__w0IAA strong{display:grid;place-items:center;min-height:29px;color:var(--ink);font-size:12.5px;font-weight:800;background:rgb(var(--panel-rgb)/.9);border:1.5px solid rgba(205,196,181,.88);border-radius:6px}.foundation_ampereReplicaActionRow__5O1dc{display:grid;grid-template-columns:minmax(96px,128px);grid-gap:8px;gap:8px;justify-content:end;margin-top:auto}.foundation_ampereReplicaActionRow__5O1dc button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:29px;padding:0 8px;color:var(--ink);font-size:10.8px;font-weight:800;background:rgb(var(--panel-rgb)/.9);border:1.5px solid rgba(205,196,181,.88);border-radius:6px}.foundation_ampereReplicaActionRow__5O1dc .foundation_ampereReplicaStartButton__NWTaz{color:#fff;background:#1f9a5b;border-color:#1f9a5b}.foundation_ampereReplicaData__1Z9R0{grid-area:data;display:grid;grid-template-rows:auto auto minmax(0,1fr);grid-gap:8px;gap:8px;align-content:stretch;padding:12px;min-height:0}.foundation_ampereReplicaDataReadout__6pJwE{display:flex;align-items:baseline;gap:9px;margin:0}.foundation_ampereReplicaDataReadout__6pJwE>div{display:flex;align-items:baseline;gap:9px}.foundation_ampereReplicaDataReadout__6pJwE dt{color:var(--muted-ink);font-size:13px;font-weight:700}.foundation_ampereReplicaDataReadout__6pJwE dd{display:flex;align-items:baseline;gap:3px;margin:0}.foundation_ampereReplicaDataReadout__6pJwE dd strong{color:var(--ink);font-size:22px;font-weight:800;line-height:1}.foundation_ampereReplicaDataReadout__6pJwE dd span{color:var(--muted-ink);font-size:13px;font-weight:700}.foundation_ampereReplicaDataTableWrap__h_y5B{min-height:0;overflow:hidden}.foundation_ampereReplicaData__1Z9R0 table{width:100%;min-width:760px;height:auto;border-collapse:collapse;background:rgb(var(--panel-rgb)/.7);border:1px solid rgba(205,196,181,.82)}.foundation_ampereReplicaData__1Z9R0 td,.foundation_ampereReplicaData__1Z9R0 th{padding:6px 9px;color:var(--ink);font-size:11px;font-weight:800;text-align:center;border:1px solid rgba(205,196,181,.72);white-space:nowrap}.foundation_ampereReplicaData__1Z9R0 thead th{color:var(--muted-ink);background:rgb(var(--panel-rgb)/.66)}.foundation_ampereReplicaData__1Z9R0 tbody tr:last-child td,.foundation_ampereReplicaData__1Z9R0 tbody tr:last-child th{color:#1f9a5b;font-size:12px;background:rgb(var(--green-soft-rgb)/.56)}@media (max-width:1080px){.foundation_ampereReplicaWorkspace__VL3M6{overflow:auto}.foundation_ampereReplicaGrid__SxWtD{grid-template-columns:minmax(0,1fr);grid-template-rows:auto;grid-template-areas:"demo" "analysis" "diranalysis" "params" "controls" "data";overflow:visible}.foundation_ampereReplicaAnalysisBody__ZMWN6{grid-template-columns:minmax(0,1fr)}.foundation_ampereReplicaData__1Z9R0{overflow-x:auto}}.foundation_footer__iWQEy,.foundation_grid__bPZYP,.foundation_topbar__T6zan{width:min(1960px,100%);margin:0 auto}.foundation_brandGroup__e6d90,.foundation_connected__ObNCd,.foundation_courseCard__Pn_yH,.foundation_statusGroup__kpGiX,.foundation_teacherMode__arDvY,.foundation_topbar__T6zan{display:flex;align-items:center}.foundation_topbar__T6zan{justify-content:space-between;gap:24px;max-height:160px;overflow:visible;transition:max-height .34s cubic-bezier(.22,.61,.36,1),opacity .26s ease}.foundation_topbarCollapsed__l0nPh{max-height:0;overflow:hidden;opacity:0;pointer-events:none}.foundation_page__GKc4S[data-topbar-collapsed=true]{padding-top:19px;row-gap:0}.foundation_page__GKc4S[data-topbar-collapsed=true] .foundation_footer__iWQEy{margin-top:clamp(12px,1.6vh,18px)}.foundation_topbarCollapseToggle__UIIC_{display:grid;place-items:center;width:34px;height:34px;padding:0;color:var(--muted-ink);background:rgb(var(--panel-rgb)/.7);border:1px solid var(--line-soft);border-radius:8px;cursor:pointer;transition:color .18s ease,background .18s ease,border-color .18s ease}.foundation_topbarCollapseToggle__UIIC_:focus-visible,.foundation_topbarCollapseToggle__UIIC_:hover{color:var(--green);border-color:rgb(var(--green-rgb)/.5)}.foundation_topbarExpandHandle__ws2tO{position:absolute;top:0;left:0;right:0;z-index:var(--z-sticky);box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;width:-moz-fit-content;width:fit-content;height:16px;margin-inline:auto;padding:0 20px;color:var(--muted-ink);background:var(--panel);border:2px solid var(--frame-line);border-top:0;border-radius:0 0 11px 11px;box-shadow:0 6px 14px -8px rgb(var(--ink-rgb)/.5);cursor:pointer;transition:color .18s ease,border-color .18s ease,box-shadow .2s ease}.foundation_topbarExpandHandle__ws2tO:focus-visible,.foundation_topbarExpandHandle__ws2tO:hover{color:var(--green);border-color:var(--green);box-shadow:0 8px 18px -8px rgb(var(--green-rgb)/.5)}.foundation_topbarExpandHandle__ws2tO:focus-visible{outline:2px solid rgb(var(--green-rgb)/.5);outline-offset:2px}@media (prefers-reduced-motion:reduce){.foundation_topbar__T6zan{transition:none}}.foundation_brandGroup__e6d90,.foundation_statusGroup__kpGiX{gap:10px}.foundation_siteTitle__K4hSl{margin:0;font-family:var(--font-display);font-size:clamp(24px,2vw,32px);font-weight:700;letter-spacing:0}.foundation_brandMarkSmall__WqeKp,.foundation_brandMark__801id,.foundation_teacherIcon__q7Jsu{display:grid;place-items:center;color:var(--ink);font-weight:900;background:var(--green-soft);border:3px solid var(--frame-line)}.foundation_brandMark__801id{width:34px;height:34px}.foundation_brandMarkSmall__WqeKp,.foundation_teacherIcon__q7Jsu{width:30px;height:30px}.foundation_courseCatalogIcon__smcAf,.foundation_siteBrandIcon__8452p{color:transparent;background-color:transparent;background-position:50%;background-repeat:no-repeat;background-size:cover;border:0}.foundation_siteBrandIcon__8452p{width:48px;height:48px;background-image:var(--site-brand-logo,url("/site-icon-mascot-256.webp"));background-size:var(--site-brand-logo-size,cover)}.foundation_courseCatalogIcon__smcAf{width:34px;height:34px;background-image:url(/icons/site/catalog-icon.png)}.foundation_datePill__UBYdw,.foundation_timePill__rd7Ps,.foundation_version__AICWG{display:inline-flex;justify-content:center;box-sizing:border-box;flex:0 0 auto;padding:5px 10px;font-weight:800;background:var(--panel);border:2px solid var(--frame-line);border-radius:5px;text-align:center}.foundation_datePill__UBYdw{inline-size:calc(10ch + 24px)}.foundation_datePill__UBYdw,.foundation_timePill__rd7Ps{font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-variant-numeric:tabular-nums;font-feature-settings:"tnum","tnum","tnum"}.foundation_timePill__rd7Ps{inline-size:calc(8ch + 24px);color:#8ac2ff;background:#1d242f;border-color:rgb(var(--green-rgb)/.72)}.foundation_connected__ObNCd,.foundation_modeText__7yt_I{font-size:14px;font-weight:700}.foundation_connected__ObNCd{gap:8px;color:var(--green)}.foundation_iconButton__X6Xk7{display:grid;place-items:center;width:34px;height:34px;color:var(--ink);background:transparent;border:0}.foundation_grid__bPZYP{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:stretch;grid-gap:clamp(18px,1.3vw,28px);gap:clamp(18px,1.3vw,28px);min-height:0}.foundation_overview__36F_J,.foundation_sidebar__0PPM3{min-width:0;min-height:0;height:100%;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}.foundation_sidebar__0PPM3{position:relative;width:clamp(316px,18vw,340px);overflow:hidden;scrollbar-gutter:auto;transition:width .3s cubic-bezier(.22,.61,.36,1)}.foundation_sidebarCollapsed__kWh_I{width:56px}.foundation_sidebarFull__xte16,.foundation_sidebarRail__WnN7q{position:absolute;top:0;bottom:0;left:0;display:grid;grid-template-rows:auto minmax(0,1fr)}.foundation_sidebarFull__xte16{width:clamp(316px,18vw,340px);overflow:hidden;opacity:1;visibility:visible;transition:opacity .26s ease .06s}.foundation_sidebarRail__WnN7q{width:56px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .14s ease,visibility 0s linear .14s}.foundation_sidebarCollapsed__kWh_I .foundation_sidebarFull__xte16{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .26s ease,visibility 0s linear .26s}.foundation_sidebarCollapsed__kWh_I .foundation_sidebarRail__WnN7q{opacity:1;visibility:visible;pointer-events:auto;transition:opacity .16s ease .16s}.foundation_railHead__Dhlvx{display:grid;place-items:center;padding:13px 0 4px}.foundation_railModules__eDpLV{display:flex;flex-direction:column;align-items:center;gap:7px;padding:6px 0 16px;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:none}.foundation_railModules__eDpLV::-webkit-scrollbar{display:none}.foundation_railModuleActive__h3gXg,.foundation_railModule__IHZ_p{display:grid;justify-items:center;grid-gap:3px;gap:3px;width:44px;padding:6px 0;color:var(--muted-ink);background:transparent;border:1px solid transparent;border-radius:8px;cursor:pointer;transition:color .18s ease,background .18s ease,border-color .18s ease}.foundation_railModuleActive__h3gXg:focus-visible,.foundation_railModuleActive__h3gXg:hover,.foundation_railModule__IHZ_p:focus-visible,.foundation_railModule__IHZ_p:hover{color:var(--ink);background:rgb(var(--panel-rgb)/.7);border-color:var(--line-soft)}.foundation_railModuleActive__h3gXg{color:var(--green);background:rgb(var(--panel-rgb)/.82);border-color:rgb(var(--green-rgb)/.5)}.foundation_railModuleNumber__puveq{font-family:var(--font-display);font-size:11px;font-weight:800;line-height:1}.foundation_railModuleIcon__WJRTX{display:block;width:26px;height:26px;background-position:50%;background-repeat:no-repeat;background-size:100%;filter:drop-shadow(0 1px 0 rgb(var(--panel-rgb)/.72))}.foundation_railFlyout__2uFNN{position:fixed;z-index:1190;padding-left:10px;animation:foundation_railFlyoutReveal__i0Q67 .16s ease both}.foundation_railFlyoutCard__tZQTZ{display:grid;grid-gap:8px;gap:8px;width:clamp(206px,17vw,246px);max-height:calc(100vh - 24px);overflow-y:auto;overscroll-behavior:contain;padding:12px;color:var(--ink);background:rgb(var(--panel-rgb)/.98);border:1.5px solid var(--line);border-radius:10px;box-shadow:0 20px 46px rgba(19,22,20,.22);scrollbar-width:thin}.foundation_railFlyoutTitle__UfRCJ{display:flex;align-items:center;gap:8px;margin:0;padding-bottom:8px;border-bottom:1px solid var(--line-soft)}.foundation_railFlyoutTitle__UfRCJ strong{font-size:13px;font-weight:900;color:var(--ink)}.foundation_railFlyoutTitleIndex__Xh_dA{display:grid;place-items:center;min-width:22px;height:22px;flex:0 0 auto;padding:0 6px;font-family:var(--font-display);font-size:11px;font-weight:800;line-height:1;white-space:nowrap;color:var(--green);background:rgb(var(--green-rgb)/.12);border:1px solid rgb(var(--green-rgb)/.4);border-radius:6px}@keyframes foundation_railFlyoutReveal__i0Q67{0%{opacity:0;transform:translateX(-6px)}to{opacity:1;transform:translateX(0)}}@media (prefers-reduced-motion:reduce){.foundation_railFlyout__2uFNN{animation:none}}.foundation_blockHeadActions__njUcZ{grid-column:2;display:flex;align-items:center;gap:8px}.foundation_blockHeadActions__njUcZ .foundation_blockMeta__gPFBJ{margin:0;white-space:nowrap}.foundation_sidebarCollapseToggle__ui49h,.foundation_sidebarExpandToggle__Ab5zN{display:grid;place-items:center;width:30px;height:30px;padding:0;color:var(--muted-ink);background:rgb(var(--panel-rgb)/.7);border:1px solid var(--line-soft);border-radius:8px;cursor:pointer;transition:color .18s ease,background .18s ease,border-color .18s ease}.foundation_sidebarCollapseToggle__ui49h:focus-visible,.foundation_sidebarCollapseToggle__ui49h:hover,.foundation_sidebarExpandToggle__Ab5zN:focus-visible,.foundation_sidebarExpandToggle__Ab5zN:hover{color:var(--green);border-color:rgb(var(--green-rgb)/.5)}.foundation_chapterMainActive__ZWebv,.foundation_chapterMain__t1DDV,.foundation_courseCard__Pn_yH,.foundation_overview__36F_J,.foundation_teacherMode__arDvY{background:rgb(var(--panel-rgb)/.82);border:1.5px solid var(--line-soft);border-radius:8px}.foundation_teacherMode__arDvY{gap:14px;padding:18px}.foundation_courseCard__Pn_yH{position:relative;display:grid;grid-template-columns:50px minmax(0,1fr) auto;grid-gap:13px;gap:13px;align-items:center;padding:15px 17px;background:rgb(var(--panel-rgb)/.86);box-shadow:0 10px 22px rgba(33,30,24,.055),inset 0 1px 0 var(--edge-lit)}.foundation_courseCardIconFrame__HtDxw{display:grid;place-items:center;width:48px;height:48px;background:rgb(var(--panel-rgb)/.72);border:1px solid rgba(45,143,86,.2);border-radius:8px;box-shadow:inset 0 1px 0 var(--edge-lit)}.foundation_courseCardCopy__EoJOJ{min-width:0}.foundation_block__Ftb3h h3,.foundation_courseCard__Pn_yH h2,.foundation_teacherMode__arDvY strong{font-family:var(--font-display);margin:0}.foundation_courseCard__Pn_yH h2{overflow:hidden;font-family:var(--font-display);font-size:clamp(23px,1.72vw,28px);font-weight:700;line-height:1.06;letter-spacing:0;text-overflow:clip;white-space:nowrap}.foundation_blockMeta__gPFBJ,.foundation_courseCard__Pn_yH p,.foundation_teacherMode__arDvY p{margin:5px 0 0;color:var(--green);font-size:13px}.foundation_courseCard__Pn_yH p{overflow:hidden;font-size:clamp(13px,.95vw,14px);font-weight:600;line-height:1.35;text-overflow:ellipsis;white-space:nowrap}.foundation_courseCardStat__r2mh2{display:grid;place-items:center;min-width:50px;padding:6px 8px;color:var(--green);background:rgb(var(--panel-rgb)/.74);border:1px solid rgba(45,143,86,.28);border-radius:8px}.foundation_courseCardStat__r2mh2 strong{font-family:var(--font-display);font-size:18px;line-height:1}.foundation_courseCardStat__r2mh2 span{margin-top:3px;color:var(--muted-ink);font-size:11px;font-weight:600;line-height:1;white-space:nowrap}.foundation_block__Ftb3h{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto minmax(0,1fr);grid-column-gap:12px;column-gap:12px;align-items:center;margin-top:20px;min-height:0;overflow:hidden}.foundation_blockMeta__gPFBJ{color:var(--muted-ink)}.foundation_block__Ftb3h>.foundation_blockMeta__gPFBJ{justify-self:end;margin-top:0;white-space:nowrap}.foundation_sidebarSearch__YdWsk{grid-column:1/-1;display:grid;grid-gap:7px;gap:7px;padding:10px;margin-top:12px;background:rgb(var(--panel-rgb)/.76);border:1px solid var(--line-soft);border-radius:8px}.foundation_sidebarSearchLabel__6IQsN{color:var(--muted-ink);font-size:12px;font-weight:900}.foundation_sidebarSearchField__tFMyx{display:grid;grid-template-columns:22px minmax(0,1fr) 28px;align-items:center;min-height:38px;padding:0 6px 0 10px;color:var(--muted-ink);background:rgb(var(--panel-rgb)/.74);border:1.5px solid var(--line-soft);border-radius:7px;transition:background-color .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease}.foundation_sidebarSearchField__tFMyx:focus-within{color:var(--green);background:rgb(var(--panel-rgb)/.92);border-color:rgba(45,143,86,.58);box-shadow:0 0 0 3px rgba(45,143,86,.11)}.foundation_sidebarSearchField__tFMyx input{min-width:0;height:34px;padding:0 2px;color:var(--ink);font-size:13px;font-weight:850;background:transparent;border:0;outline:0}.foundation_sidebarSearchField__tFMyx input::placeholder{color:rgba(92,97,91,.72)}.foundation_sidebarSearchField__tFMyx input::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}.foundation_sidebarSearchClear__6W7u2{display:grid;place-items:center;width:26px;height:26px;padding:0;color:var(--muted-ink);cursor:var(--cursor-pointer);background:rgb(var(--green-soft-rgb)/.72);border:1px solid rgba(45,143,86,.2);border-radius:999px;transition:color .15s ease,background-color .15s ease,border-color .15s ease,transform .15s ease}.foundation_sidebarSearchClear__6W7u2:focus-visible,.foundation_sidebarSearchClear__6W7u2:hover{color:var(--green);background:rgb(var(--green-soft-rgb)/.98);border-color:rgba(45,143,86,.5);outline:0;transform:scale(1.04)}.foundation_sidebarSearchHint__jwgBk{min-height:18px;margin:0;color:var(--green);font-size:12px;font-weight:900}.foundation_chapterList___r2f9{position:relative;z-index:1;grid-column:1/-1;display:flex;align-self:stretch;flex-direction:column;gap:0;height:100%;margin-top:14px;min-height:0;padding:0 2px clamp(44px,6.4vh,70px) 0;overflow-y:auto;overscroll-behavior:contain;scroll-behavior:smooth;scroll-padding-bottom:clamp(44px,6.4vh,70px);scrollbar-width:none;-webkit-mask-image:linear-gradient(180deg,#000 calc(100% - clamp(36px, 5.4vh, 60px)),transparent);mask-image:linear-gradient(180deg,#000 calc(100% - clamp(36px, 5.4vh, 60px)),transparent)}.foundation_chapterList___r2f9::-webkit-scrollbar{display:none}.foundation_chapterShell__bJ3OA{display:grid;flex:0 0 auto;grid-template-columns:minmax(0,1fr);grid-gap:0;gap:0;margin-top:10px;min-width:0;overflow:hidden;opacity:1;transform:translateY(0) scale(1);transition:margin-top .3s cubic-bezier(.2,.8,.2,1),opacity .21s ease,transform .26s cubic-bezier(.2,.8,.2,1)}.foundation_chapterShell__bJ3OA:first-child{margin-top:0}.foundation_chapterShellHidden__xBif8{max-height:0;margin-top:0;pointer-events:none;opacity:0;transform:translateY(-7px) scale(.985)}.foundation_chapterShellSearchMode__2DIHp .foundation_chapterArrow__335nH,.foundation_chapterShellSearchMode__2DIHp .foundation_chapterMainActive__ZWebv,.foundation_chapterShellSearchMode__2DIHp .foundation_chapterMain__t1DDV{transition:background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease}.foundation_chapterMainActive__ZWebv,.foundation_chapterMain__t1DDV{display:grid;grid-template-columns:32px 28px minmax(0,1fr) 22px;grid-gap:10px;gap:10px;align-items:center;min-height:56px;padding:9px 12px;color:var(--ink);text-align:left}.foundation_chapterMainActive__ZWebv strong,.foundation_chapterMain__t1DDV strong,.foundation_experimentLinkActive__WVxML span:nth-child(3),.foundation_experimentLinkPending__L5IB5 span:nth-child(3),.foundation_experimentLinkUnlocked__6vHIW span:nth-child(3){font-family:var(--font-display);font-weight:600}.foundation_chapterMainActive__ZWebv{background:rgb(var(--green-soft-rgb)/.56);border-left:5px solid var(--green)}.foundation_chapterArrow__335nH{display:grid;place-items:center;color:var(--muted-ink)}.foundation_chapterNumber__VMOhN{color:var(--muted-ink);font-family:var(--font-display);font-weight:800}.foundation_chapterMainActive__ZWebv .foundation_chapterNumber__VMOhN{color:var(--green)}.foundation_chapterIcon__3m1JC{display:block;width:28px;height:28px;background-position:50%;background-repeat:no-repeat;background-size:100%;filter:drop-shadow(0 1px 0 rgb(var(--panel-rgb)/.72))}.foundation_lessonPanel__8D_6e{display:grid;grid-column:1/-1;grid-gap:10px;gap:10px;padding:10px;margin-top:6px;background:rgb(var(--panel-rgb)/.54);border:1px solid var(--line-soft);border-radius:8px}.foundation_experimentLinks__WjcYJ{display:grid;grid-gap:0;gap:0}.foundation_experimentLinkActive__WVxML,.foundation_experimentLinkPending__L5IB5,.foundation_experimentLinkUnlocked__6vHIW{display:grid;grid-template-columns:36px 24px minmax(0,1fr);grid-gap:10px;gap:10px;align-items:center;min-height:34px;max-height:54px;margin-top:6px;overflow:hidden;padding:7px 12px;color:var(--muted-ink);font-size:12px;font-weight:800;background:rgb(var(--panel-rgb)/.86);border:1px solid var(--line-soft);border-radius:6px;opacity:1;transform:translateY(0) scale(1);transition:max-height .26s cubic-bezier(.2,.8,.2,1),min-height .26s cubic-bezier(.2,.8,.2,1),margin-top .26s cubic-bezier(.2,.8,.2,1),padding-top .26s cubic-bezier(.2,.8,.2,1),padding-bottom .26s cubic-bezier(.2,.8,.2,1),border-color .18s ease,box-shadow .18s ease,opacity .18s ease,transform .22s cubic-bezier(.2,.8,.2,1)}.foundation_experimentLinks__WjcYJ>:first-child{margin-top:0}.foundation_experimentLinkHidden__PEq3V{min-height:0;max-height:0;margin-top:0;padding-top:0;padding-bottom:0;pointer-events:none;border-width:0;opacity:0;transform:translateY(-5px) scale(.99)}.foundation_experimentLinkMatched__XBtOg{background:linear-gradient(90deg,rgba(232,244,232,.9),rgb(var(--panel-rgb)/.88));border-color:rgba(45,143,86,.42);box-shadow:inset 4px 0 0 rgba(45,143,86,.88)}.foundation_experimentLinkActive__WVxML,.foundation_experimentLinkUnlocked__6vHIW{text-decoration:none}.foundation_experimentLinkActive__WVxML{color:var(--green);background:rgb(var(--green-soft-rgb)/.76);border-color:var(--green)}.foundation_experimentLinkUnlocked__6vHIW{color:var(--ink);background:rgb(var(--green-soft-rgb)/.72)}.foundation_experimentLinkUnlocked__6vHIW:focus-visible,.foundation_experimentLinkUnlocked__6vHIW:hover{color:var(--green);border-color:var(--green);outline:none}.foundation_genericExperimentWorkspace__Ojsbe{min-height:0}.foundation_genericSummaryGrid__XqQAR{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px;min-width:0}.foundation_genericSummaryGrid__XqQAR article{min-width:0;padding:16px;background:rgb(var(--panel-rgb)/.92);border:1.5px solid var(--line-soft);border-radius:8px}.foundation_genericSummaryGrid__XqQAR h3{margin:0 0 10px;font-size:16px}.foundation_genericSummaryGrid__XqQAR p,.foundation_genericSummaryGrid__XqQAR ul{margin:0;color:var(--muted-ink);font-size:14px;font-weight:800;line-height:1.6}.foundation_genericSummaryGrid__XqQAR ul{padding-left:18px}.foundation_experimentIndex__NODOA{font-weight:900;text-align:center}.foundation_experimentIcon__ae3lw{display:block;width:22px;height:22px;background-position:50%;background-repeat:no-repeat;background-size:100%;filter:saturate(.96) drop-shadow(0 1px 0 rgb(var(--panel-rgb)/.66))}.foundation_teacherMode__arDvY{margin-top:14px}.foundation_teacherMode__arDvY span{padding:3px 8px;margin-left:auto;color:#9c9282;font-weight:900;border:1px solid var(--line-soft);border-radius:6px}.foundation_overview__36F_J{padding:22px;border:2.5px solid var(--frame-line);box-shadow:var(--shadow)}.foundation_resetWorkspace__XsveH{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-gap:24px;gap:24px;min-height:100%;padding:28px;background:rgb(var(--panel-rgb)/.36);border:1px dashed var(--line-soft);border-radius:8px}.foundation_eyebrow__HmL5u{margin:0 0 8px;color:var(--green);font-size:13px;font-weight:900}.foundation_resetHeader__f9ezZ h2{margin:0;font-family:var(--font-display);font-size:clamp(30px,3.4vw,50px);font-weight:700;line-height:1.08;letter-spacing:0}.foundation_resetMetrics__nCjTD{display:grid;grid-template-columns:repeat(3,110px);grid-gap:10px;gap:10px;align-self:start;margin:0}.foundation_resetMetrics__nCjTD div{min-height:96px;padding:14px;background:var(--panel);border:1px solid var(--line-soft);border-radius:8px}.foundation_resetMetrics__nCjTD dt{color:var(--muted-ink);font-size:13px;font-weight:800}.foundation_resetMetrics__nCjTD dd{margin:8px 0 0;font-size:34px;font-weight:900}.foundation_experimentWorkspace__UY4RG{display:grid;grid-gap:16px;gap:16px;min-height:100%;padding:20px;background:rgb(var(--panel-rgb)/.42);border:1px dashed var(--line-soft);border-radius:8px}.foundation_experimentHeader__dOGfh,.foundation_panelTitleRow__lAykH,.foundation_timeHeader__rBKM0{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.foundation_experimentHeader__dOGfh h2{margin:0;font-family:var(--font-display);font-weight:700;line-height:1.02;letter-spacing:0}.foundation_chartCaption__algNU,.foundation_experimentSubtitle__PR_Ba{margin:8px 0 0;color:var(--muted-ink);font-size:14px;font-weight:700}.foundation_directionControl__Tor7X,.foundation_experimentToolbar__FMSTT,.foundation_graphTabs__lnzlx,.foundation_playbackControlsLarge__p2Rfw{display:flex;gap:10px}.foundation_experimentToolbar__FMSTT{flex-wrap:wrap;justify-content:flex-end}.foundation_directionControl__Tor7X button,.foundation_experimentToolbar__FMSTT button,.foundation_graphTabs__lnzlx button,.foundation_playbackControlsLarge__p2Rfw button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:0 13px;color:var(--ink);font-weight:900;white-space:nowrap;background:rgb(var(--panel-rgb)/.92);border:1.5px solid var(--line-soft);border-radius:6px}.foundation_experimentHeader__dOGfh{align-items:flex-start!important;padding-right:0!important}.foundation_experimentHeader__dOGfh>:first-child{min-width:0}.foundation_experimentToolbar__FMSTT{gap:10px!important;justify-content:flex-end!important;flex-wrap:nowrap!important;flex-shrink:0!important}.foundation_experimentToolbar__FMSTT button{min-height:42px!important;padding:0 13px!important;font-size:14px!important;background:rgb(var(--panel-rgb)/.92)!important;box-shadow:none!important}.foundation_experimentToolbar__FMSTT button[aria-pressed=true]{color:white!important;background:var(--green)!important;border-color:var(--green)!important}.foundation_compositionTrajectoryPanel__8AtYn h3,.foundation_compositionVectorPanel__hkMLN h3,.foundation_controlsPanelLarge__ftw2H h3,.foundation_coulombAnalysisPanel__lzTDO h3,.foundation_coulombComponentsPanel__LeJSd h3,.foundation_coulombDataPanel__Owzyu h3,.foundation_coulombFieldPanel__IGx4Q h3,.foundation_coulombFormulaPanel__ITPem h3,.foundation_coulombParamsPanel__aAL25 h3,.foundation_coulombPositionPanel__wwTUH h3,.foundation_dataPanel__Si_Tb h3,.foundation_electricAnalysisPanel__5kO0d h3,.foundation_electricControlsPanel__66zIH .foundation_timeHeader__rBKM0 h3,.foundation_electricFieldStagePanel__bLOFn h3,.foundation_electricTrajectoryChartPanel__HUU1b h3,.foundation_freeFallChartPanel__pVGBy h3,.foundation_hookeChartPanel__4QGL9 h3,.foundation_hookeDataPanel__eRwdw h3,.foundation_hookePanelTitle__q0d9B h3,.foundation_hookeRecordPanel__PQatg h3,.foundation_magneticDataPanel__WlAzK h3,.foundation_magneticFieldPanel__s4yUq h3,.foundation_magneticLocalPanel__U3QxY h3,.foundation_magneticObservationPanel__jLF5L h3,.foundation_magneticParamsPanel__Lepm6 h3,.foundation_magneticToolsPanel__adGXq h3,.foundation_panelTitleRow__lAykH h3,.foundation_parametersPanel__UGZvH h3,.foundation_potentialApparatusPanel__L8S2q h3,.foundation_potentialCurvePanel__c50ej h3,.foundation_potentialEnergyPanel__i4VbO h3,.foundation_potentialParamsPanel__MN3yl h3,.foundation_projectileAnalysisPanel___eru_ h3,.foundation_projectileTrajectoryPanel__ltIbi h3{font-family:var(--font-display);font-weight:700}.foundation_aiAssistantPet__iivX6{position:fixed;z-index:1180;display:block;width:var(--pet-size);height:var(--pet-size);padding:0;overflow:visible;cursor:var(--cursor-pointer);background:transparent;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-radius:30%;filter:drop-shadow(0 1px 0 rgba(19,22,20,.76)) drop-shadow(0 12px 18px rgba(19,22,20,.18)) drop-shadow(0 0 8px rgba(45,143,86,.08));-webkit-user-select:none;-moz-user-select:none;user-select:none;will-change:transform,filter;transition:transform .18s ease,filter .18s ease;touch-action:none}.foundation_aiAssistantPet__iivX6:hover{transform:translateY(-2px);filter:drop-shadow(0 1px 0 rgba(19,22,20,.8)) drop-shadow(0 14px 20px rgba(19,22,20,.2)) drop-shadow(0 0 9px rgba(45,143,86,.12))}.foundation_aiAssistantPet__iivX6:focus-visible{outline:3px solid rgba(45,143,86,.46);outline-offset:4px}.foundation_aiAssistantPetBubble__9XN65{position:absolute;top:3px;right:calc(100% + 13px);z-index:2;display:block;width:max-content;max-width:min(210px,calc(100vw - 108px));min-height:34px;padding:8px 12px 8px 18px;color:var(--ink);font-family:var(--font-body);font-size:12px;font-weight:800;line-height:1.32;letter-spacing:0;text-align:left;text-wrap:balance;white-space:normal;overflow-wrap:anywhere;pointer-events:none;background:var(--panel);border:1.5px solid var(--line);border-radius:8px;box-shadow:0 8px 18px rgba(19,22,20,.12),0 1px 0 rgba(19,22,20,.08),inset 0 1px 0 rgba(255,255,255,.16);animation:foundation_aiAssistantPetBubbleIn__8IGiq .18s ease-out}.foundation_aiAssistantPetBubble__9XN65:before{position:absolute;top:50%;left:8px;width:3px;height:calc(100% - 16px);min-height:16px;content:"";background:rgb(var(--green-rgb)/.44);border-radius:999px;transform:translateY(-50%)}.foundation_aiAssistantPetBubble__9XN65:after{position:absolute;top:17px;right:-5px;width:9px;height:9px;content:"";background:inherit;border-top:1.5px solid var(--line);border-right:1.5px solid var(--line);border-top-right-radius:2px;transform:rotate(45deg)}.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=active],.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=active]:after,.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=done],.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=done]:after{border-color:rgb(var(--green-rgb)/.62)}.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=active]:before,.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=done]:before{background:rgb(var(--green-rgb)/.62)}.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=thinking]{color:var(--green);background:var(--green-soft);border-color:rgb(var(--green-rgb)/.62)}.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=thinking]:before{background:var(--green)}.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=thinking]:after{border-color:rgb(var(--green-rgb)/.62)}.foundation_aiAssistantPetSprite__Z3w86{display:block;width:var(--pet-frame-width);height:var(--pet-frame-height);background-repeat:no-repeat;transform:scale(var(--pet-scale));transform-origin:0 0}@keyframes foundation_aiAssistantPetBubbleIn__8IGiq{0%{opacity:0;translate:4px 0}to{opacity:1;translate:0 0}}@media (prefers-reduced-motion:reduce){.foundation_aiAssistantPetBubble__9XN65,.foundation_aiAssistantPetSprite__Z3w86,.foundation_aiAssistantPet__iivX6,.foundation_sidebarFull__xte16,.foundation_sidebarRail__WnN7q,.foundation_sidebar__0PPM3{animation:none;transition:none}}@media (max-width:720px){.foundation_aiAssistantPetBubble__9XN65{top:auto;right:0;bottom:calc(100% + 8px);left:auto;max-width:min(220px,calc(100vw - 24px));transform:none}.foundation_aiAssistantPetBubble__9XN65:after{top:auto;right:18px;bottom:-5px;left:auto;border-top:0;border-right:1.5px solid var(--line);border-bottom:1.5px solid var(--line);border-left:0}.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=active]:after,.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=done]:after,.foundation_aiAssistantPetBubble__9XN65[data-pet-bubble-tone=thinking]:after{border-right-color:rgb(var(--green-rgb)/.62);border-bottom-color:rgb(var(--green-rgb)/.62)}}.foundation_aiAssistantWindow__3YuVR{position:fixed;z-index:1200;display:grid;grid-template-rows:auto minmax(0,1fr) auto auto;width:min(360px,calc(100vw - 24px));height:min(520px,calc(100dvh - 24px));overflow:hidden;color:var(--ink);overscroll-behavior:contain;background:rgb(var(--panel-rgb)/.98);border:2px solid var(--line);border-radius:8px;box-shadow:0 20px 46px rgba(19,22,20,.22)}.foundation_aiAssistantWindowExpanded__KXIVL{width:min(440px,calc(100vw - 24px));height:min(620px,calc(100dvh - 24px))}@supports not (height:100dvh){html[data-macos-safari] .foundation_aiAssistantWindow__3YuVR{height:min(520px,calc(100vh - 24px))}html[data-macos-safari] .foundation_aiAssistantWindowExpanded__KXIVL{height:min(620px,calc(100vh - 24px))}}.foundation_aiAssistantHeader__miVzv{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:stretch;min-height:58px;padding-right:7px;background:rgb(var(--green-soft-rgb)/.96);border-bottom:1.5px solid var(--line-soft)}.foundation_aiAssistantDragHandle__0hajl{display:grid;grid-template-columns:22px 36px minmax(0,1fr);align-items:center;grid-gap:8px;gap:8px;min-width:0;padding:10px 12px;color:var(--ink);text-align:left;cursor:-webkit-grab;cursor:grab;touch-action:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;background:transparent;border:0}.foundation_aiAssistantDragHandle__0hajl:active{cursor:-webkit-grabbing;cursor:grabbing}.foundation_aiAssistantHeaderAvatar__Uaq_S,.foundation_aiAssistantMessageAvatar__XaVUu{display:block;flex:0 0 auto;background-image:url(/site-icon-mascot-256.webp);background-repeat:no-repeat;background-position:50%;background-size:contain}.foundation_aiAssistantHeaderAvatar__Uaq_S{width:36px;height:36px;filter:drop-shadow(0 5px 8px rgba(45,143,86,.16))}.foundation_aiAssistantDragHandle__0hajl strong{display:block;font-size:15px;line-height:1.2}.foundation_aiAssistantDragHandle__0hajl span{display:block;margin-top:2px;overflow:hidden;color:var(--green);font-size:12px;font-weight:900;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.foundation_aiAssistantWindowControls__l98p7{display:inline-flex;align-self:start;align-items:flex-start;justify-content:center;gap:8px;padding:9px 0 0 6px}.foundation_aiAssistantCloseControl__RdJm7,.foundation_aiAssistantMaximizeControl__4_6wS{position:relative;width:14px;height:14px;padding:0;cursor:var(--cursor-pointer);border-radius:999px;box-shadow:inset 0 0 0 1px rgba(19,22,20,.16),0 1px 0 rgba(255,255,255,.42)}.foundation_aiAssistantCloseControl__RdJm7{background:#ff5f57;border:1px solid #e0473f}.foundation_aiAssistantMaximizeControl__4_6wS{background:#28c840;border:1px solid #20a934}.foundation_aiAssistantCloseControl__RdJm7:after,.foundation_aiAssistantCloseControl__RdJm7:before{position:absolute;top:50%;left:50%;width:8px;height:1.5px;content:"";background:rgba(19,22,20,.64);border-radius:999px;opacity:0;transition:opacity .14s ease}.foundation_aiAssistantCloseControl__RdJm7:before{transform:translate(-50%,-50%) rotate(45deg)}.foundation_aiAssistantCloseControl__RdJm7:after{transform:translate(-50%,-50%) rotate(-45deg)}.foundation_aiAssistantMaximizeControl__4_6wS:after,.foundation_aiAssistantMaximizeControl__4_6wS:before{position:absolute;content:"";opacity:0;transition:opacity .14s ease}.foundation_aiAssistantMaximizeControl__4_6wS:before{top:3px;right:3px;width:5px;height:5px;background:rgba(19,22,20,.72);-webkit-clip-path:polygon(0 0,100% 0,100% 100%);clip-path:polygon(0 0,100% 0,100% 100%)}.foundation_aiAssistantMaximizeControl__4_6wS:after{bottom:3px;left:3px;width:5px;height:5px;background:rgba(19,22,20,.72);-webkit-clip-path:polygon(0 0,0 100%,100% 100%);clip-path:polygon(0 0,0 100%,100% 100%)}.foundation_aiAssistantMaximizeControl__4_6wS[data-zoom-mode=restore]:before{top:3px;left:3px;width:5px;height:5px;background:rgba(19,22,20,.72);-webkit-clip-path:polygon(0 0,100% 100%,0 100%);clip-path:polygon(0 0,100% 100%,0 100%)}.foundation_aiAssistantMaximizeControl__4_6wS[data-zoom-mode=restore]:after{right:3px;bottom:3px;width:5px;height:5px;background:rgba(19,22,20,.72);-webkit-clip-path:polygon(0 0,100% 0,100% 100%);clip-path:polygon(0 0,100% 0,100% 100%)}.foundation_aiAssistantWindowControls__l98p7:hover .foundation_aiAssistantCloseControl__RdJm7:after,.foundation_aiAssistantWindowControls__l98p7:hover .foundation_aiAssistantCloseControl__RdJm7:before,.foundation_aiAssistantWindowControls__l98p7:hover .foundation_aiAssistantMaximizeControl__4_6wS:after,.foundation_aiAssistantWindowControls__l98p7:hover .foundation_aiAssistantMaximizeControl__4_6wS:before{opacity:1}.foundation_aiAssistantMessages__rfawJ{display:grid;align-content:start;grid-gap:10px;gap:10px;padding:12px;overflow-y:auto;overscroll-behavior:contain}.foundation_aiAssistantMessages__rfawJ p{margin:0}.foundation_aiAssistantBotMessageRow__sTRfb{display:grid;grid-template-columns:28px minmax(0,1fr);align-items:start;justify-self:start;grid-gap:8px;gap:8px;max-width:94%}.foundation_aiAssistantMessageAvatar__XaVUu{width:28px;height:28px;margin-top:4px;filter:drop-shadow(0 4px 6px rgba(19,22,20,.14))}.foundation_aiAssistantBotMessage__i7Q_w,.foundation_aiAssistantUserMessage__UxvaO{max-width:92%;padding:10px 12px;font-size:13px;font-weight:800;line-height:1.55;white-space:pre-wrap;border-radius:8px}.foundation_aiAssistantBotMessage__i7Q_w{justify-self:start;max-width:none;color:var(--ink);background:rgb(var(--panel-rgb)/.72);border:1px solid var(--line-soft)}.foundation_aiAssistantUserMessage__UxvaO{justify-self:end;color:#fff;background:var(--green);border:1px solid rgba(45,143,86,.55)}.foundation_aiAssistantMathInline__P8ijZ{display:inline-flex;align-items:center;max-width:100%;margin:0 2px;vertical-align:-.14em;overflow:visible}.foundation_aiAssistantMathDisplay__2TXAr{display:block;max-width:100%;margin:7px 0;padding:6px 8px;overflow-x:auto;text-align:center;white-space:normal;background:rgba(45,143,86,.06);border:1px solid rgba(45,143,86,.16);border-radius:6px}.foundation_aiAssistantUserMessage__UxvaO .foundation_aiAssistantMathDisplay__2TXAr{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24)}.foundation_aiAssistantMathDisplay__2TXAr .foundation_katex__bAoqU,.foundation_aiAssistantMathInline__P8ijZ .foundation_katex__bAoqU{font-size:1.02em;line-height:1.35}.foundation_aiAssistantMathDisplay__2TXAr .foundation_katex-display__6D0rQ{margin:0}.foundation_aiAssistantQuickPrompts__b5vMy{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:8px;gap:8px;padding:0 12px 10px}.foundation_aiAssistantQuickPrompts__b5vMy button{min-width:0;min-height:34px;padding:0 8px;color:var(--green);font-size:12px;font-weight:900;white-space:nowrap;background:rgb(var(--panel-rgb)/.9);border:1.5px solid rgba(45,143,86,.32);border-radius:6px}.foundation_aiAssistantForm__P5C3d button:disabled,.foundation_aiAssistantForm__P5C3d input:disabled,.foundation_aiAssistantQuickPrompts__b5vMy button:disabled{cursor:wait;opacity:.62}.foundation_aiAssistantForm__P5C3d{display:grid;grid-template-columns:minmax(0,1fr) 82px;grid-gap:8px;gap:8px;padding:12px;background:rgb(var(--panel-rgb)/.92);border-top:1.5px solid var(--line-soft)}.foundation_aiAssistantForm__P5C3d input{min-width:0;height:40px;padding:0 12px;color:var(--ink);font-size:13px;font-weight:800;background:var(--panel);border:1.5px solid var(--line-soft);border-radius:6px}.foundation_aiAssistantForm__P5C3d input:focus{outline:2px solid rgba(45,143,86,.26);border-color:var(--green)}.foundation_aiAssistantForm__P5C3d button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:0;height:40px;padding:0 10px;color:#fff;font-size:13px;font-weight:900;white-space:nowrap;background:var(--green);border:1.5px solid var(--green);border-radius:6px}.foundation_aiAssistantWindow__3YuVR[data-docked]{position:static;z-index:auto;width:100%;height:100%;max-height:100%;background:color-mix(in srgb,var(--panel) 90%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line-soft);border-radius:14px;box-shadow:0 18px 40px -24px rgba(0,0,0,.5)}.foundation_aiAssistantWindow__3YuVR[data-docked] .foundation_aiAssistantHeader__miVzv{min-height:0;padding-right:0;background:transparent}.foundation_aiAssistantWindow__3YuVR[data-docked] .foundation_aiAssistantDragHandle__0hajl{grid-template-columns:32px minmax(0,1fr);gap:9px;padding:9px 12px;cursor:default}.foundation_aiAssistantWindow__3YuVR[data-docked] .foundation_aiAssistantHeaderAvatar__Uaq_S{width:32px;height:32px}.foundation_aiAssistantWindow__3YuVR[data-docked] .foundation_aiAssistantDragHandle__0hajl strong{font-size:14px}.foundation_aiAssistantWindow__3YuVR[data-docked] .foundation_aiAssistantDragHandle__0hajl div span{display:none}.foundation_experimentStats__ExZpY,.foundation_liveReadouts__NA9wH,.foundation_stateReadout__g3Re_{display:grid;grid-gap:10px;gap:10px;margin:0}.foundation_experimentStats__ExZpY{grid-template-columns:repeat(3,minmax(130px,1fr))}.foundation_experimentStats__ExZpY div,.foundation_liveReadouts__NA9wH div,.foundation_stateReadout__g3Re_ div{min-width:0;padding:12px;background:rgb(var(--panel-rgb)/.92);border:1px solid var(--line-soft);border-radius:8px}.foundation_experimentStats__ExZpY dt,.foundation_liveReadouts__NA9wH dt,.foundation_stateReadout__g3Re_ dt{color:var(--muted-ink);font-size:12px;font-weight:900}.foundation_experimentStats__ExZpY dd,.foundation_liveReadouts__NA9wH dd,.foundation_stateReadout__g3Re_ dd{margin:5px 0 0;font-size:18px;font-weight:900}.foundation_controlsPanelLarge__ftw2H,.foundation_dataPanel__Si_Tb,.foundation_graphPanelLarge__nZkdP,.foundation_motionChartPanel__WArEV,.foundation_parametersPanel__UGZvH,.foundation_trackPanel__dYseV{background:rgb(var(--panel-rgb)/.92);border:1.5px solid var(--line-soft);border-radius:8px}.foundation_trackPanel__dYseV{position:relative;min-height:216px;padding:18px;overflow:hidden}.foundation_cartTrack__t_hNQ{position:relative;min-height:178px;padding:72px 22px 46px}.foundation_axisLine__4dU_x{position:absolute;right:22px;bottom:62px;left:22px;height:8px;background:linear-gradient(#60645d,#60645d) 50% /100% 2px no-repeat,linear-gradient(#d7d0c3,#d7d0c3);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.foundation_trackTick__ehEnL{position:absolute;bottom:34px;width:1px;color:var(--muted-ink);font-size:13px;font-weight:800;text-align:center;transform:translateX(-50%)}.foundation_trackTick__ehEnL i{position:absolute;left:0;width:2px;height:16px;background:var(--ink)}.foundation_trackTick__ehEnL b{position:absolute;top:0;left:50%;font-weight:800;transform:translateX(-50%)}.foundation_trackTickStart__lxAhY b{left:0;transform:translateX(0)}.foundation_trackTickEnd__eijFc b{left:0;transform:translateX(-100%)}.foundation_cartLayer__AgH6G{position:absolute;inset:0;transform:translateX(0);transition:transform .14s linear;pointer-events:none}.foundation_cartBody__4847u{position:absolute;bottom:62px;left:0;display:block;width:92px;height:42px;background:linear-gradient(180deg,#67ba8a,#3f9965);border:2.5px solid var(--line);border-radius:7px 7px 4px 4px;transform:translate(-50%,-7px)}.foundation_cartBody__4847u span{position:absolute;top:8px;left:13px;width:48px;height:18px;background:rgb(var(--panel-rgb)/.48);border:1.5px solid var(--line);border-radius:3px}.foundation_cartBody__4847u i{position:absolute;bottom:-12px;width:20px;height:20px;background:#252725;border:2px solid var(--line);border-radius:999px}.foundation_cartBody__4847u i:first-of-type{left:14px}.foundation_cartBody__4847u i:nth-of-type(2){right:14px}.foundation_cartMarker__66DHn{position:absolute;bottom:116px;left:0;display:grid;justify-items:center;color:white;font-size:14px;font-weight:900;transform:translateX(-50%)}.foundation_cartMarker__66DHn:after{width:0;height:0;content:"";border-top:8px solid var(--green);border-right:7px solid transparent;border-left:7px solid transparent}.foundation_cartMarker__66DHn>span{min-width:112px;padding:7px 10px;text-align:center;background:var(--green);border-radius:5px}.foundation_trackUnit__ESRKY{position:absolute;right:6px;bottom:10px;margin:0;color:var(--muted-ink);font-size:12px;font-weight:900}.foundation_liveReadouts__NA9wH{position:absolute;top:22px;right:22px;grid-template-columns:repeat(3,minmax(92px,1fr));width:min(460px,calc(100% - 44px));padding:8px;background:rgb(var(--panel-rgb)/.84);border:1px dashed var(--line-soft);border-radius:8px}.foundation_liveReadouts__NA9wH div{padding:8px 10px;background:transparent;border:0;border-right:1px solid var(--line-soft);border-radius:0}.foundation_liveReadouts__NA9wH div:last-child{border-right:0}.foundation_liveReadouts__NA9wH dd{color:var(--green)}.foundation_uniformAcceleratedReadouts___we67{grid-template-columns:repeat(5,minmax(72px,1fr));width:min(650px,calc(100% - 44px))}.foundation_uniformAcceleratedReadouts___we67 dd{font-size:16px}.foundation_uniformAcceleratedVertical__GO_Uf{position:relative;display:grid;place-items:center;min-height:178px;padding:14px 22px 18px}.foundation_uniformAcceleratedMotionRig__MezSX{--uniform-accelerated-ruler-top:8px;--uniform-accelerated-ruler-height:min(320px,calc(100% - var(--uniform-accelerated-ruler-top)));position:absolute;inset:6px 10px 10px;min-width:0;min-height:0;transform:scale(1.02);transform-origin:center center}.foundation_uniformAcceleratedMotionRuler__cvj1A{position:absolute;left:clamp(28px,18%,72px);width:126px;height:var(--uniform-accelerated-ruler-height)}.foundation_uniformAcceleratedMotionRuler__cvj1A,.foundation_uniformAcceleratedMotionRuler__cvj1A.foundation_hookeRuler__QLV3g{top:var(--uniform-accelerated-ruler-top);right:auto;bottom:auto}.foundation_uniformAcceleratedMotionRuler__cvj1A .foundation_hookeRulerBody__pj46C{width:46px}.foundation_uniformAcceleratedGroundRail__CshgJ{position:absolute;right:clamp(18px,18%,76px);left:clamp(24px,16%,66px);top:calc(var(--uniform-accelerated-ruler-top) + var(--uniform-accelerated-ruler-height) - 2px);height:5px;background:var(--line);box-shadow:0 8px 0 rgba(21,23,21,.08)}.foundation_uniformAcceleratedThrowPath__k2f3P{position:absolute;top:var(--uniform-accelerated-ruler-top);bottom:auto;left:clamp(146px,50%,198px);width:82px;height:var(--uniform-accelerated-ruler-height);border-left:1.5px dashed rgba(47,143,85,.28)}.foundation_uniformAcceleratedBallLayer__VkddK{position:absolute;inset:0;transform:translateY(0);transition:transform .14s linear;pointer-events:none}.foundation_uniformAcceleratedBallAssembly__1_dtN{position:absolute;bottom:0;left:0;width:42px;height:42px;transform:translate(-50%,50%)}.foundation_uniformAcceleratedBallAssembly__1_dtN .foundation_uniformAcceleratedBall__DXIaR{position:absolute;inset:3px;width:auto;height:auto;background:radial-gradient(circle at 35% 28%,#cbe9ce 0 12%,#4faf75 42%,#227247 100%);border:2px solid var(--line);border-radius:999px;box-shadow:0 9px 0 rgba(21,23,21,.08);transform:none}.foundation_uniformAcceleratedVelocityArrow__X4OMp{--velocity-arrow-length:calc(30px + 22px * var(--velocity-arrow-scale, 1));position:absolute;top:50%;left:46px;width:5px;height:var(--velocity-arrow-length);background:var(--green);border-radius:999px;box-shadow:0 3px 0 rgba(21,23,21,.1);opacity:.94;transition:height .14s linear,opacity .14s ease,transform .14s linear}.foundation_uniformAcceleratedVelocityArrow__X4OMp:after{position:absolute;left:50%;width:0;height:0;content:"";transform:translateX(-50%)}.foundation_uniformAcceleratedVelocityArrow__X4OMp[data-direction=up]{transform:translateY(-100%)}.foundation_uniformAcceleratedVelocityArrow__X4OMp[data-direction=up]:after{top:-9px;border-right:8px solid transparent;border-bottom:11px solid var(--green);border-left:8px solid transparent}.foundation_uniformAcceleratedVelocityArrow__X4OMp[data-direction=down]{transform:translateY(0)}.foundation_uniformAcceleratedVelocityArrow__X4OMp[data-direction=down]:after{bottom:-9px;border-top:11px solid var(--green);border-right:8px solid transparent;border-left:8px solid transparent}.foundation_uniformAcceleratedVelocityArrow__X4OMp[data-direction=zero]{opacity:0;transform:translateY(-50%) scaleY(.2)}.foundation_experimentGrid__igzzn{display:grid;grid-template-columns:280px minmax(320px,.95fr) minmax(390px,1.15fr);grid-gap:16px;gap:16px;min-width:0}.foundation_uniformAcceleratedWorkspace__uczlF{grid-template-areas:"header" "stage" "body"}.foundation_uniformAcceleratedWorkspace__uczlF>.foundation_experimentHeader__dOGfh{grid-area:header}.foundation_uniformAcceleratedStage__cjNQB{grid-area:stage}.foundation_uniformAcceleratedBody__N9_5F{grid-area:body}.foundation_uniformAcceleratedWorkspace__uczlF[data-layout=vertical]{grid-template-areas:"header" "body";grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);align-items:stretch;overflow:hidden;container-name:uniform-accelerated-vertical;container-type:inline-size}.foundation_uniformAcceleratedFreeFallBody__39dhl{display:grid;grid-area:body;grid-template-columns:minmax(520px,.92fr) minmax(720px,1.28fr);align-items:stretch;grid-gap:clamp(14px,1.2vw,20px);gap:clamp(14px,1.2vw,20px);height:100%;min-height:0;overflow:hidden}.foundation_uniformAcceleratedFreeFallPanels__uteLG,.foundation_uniformAcceleratedFreeFallScene__En_Tz,.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx,.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1,.foundation_uniformAcceleratedVerticalBench__M9fS6{min-width:0;min-height:0}.foundation_uniformAcceleratedVerticalBench__M9fS6{display:grid;grid-template-rows:minmax(0,1fr) auto;grid-gap:10px;gap:10px;height:100%;overflow:hidden}.foundation_uniformAcceleratedVerticalBench__M9fS6 .foundation_controlsPanelLarge__ftw2H,.foundation_uniformAcceleratedVerticalBench__M9fS6 .foundation_uniformAcceleratedStage__cjNQB{grid-area:auto}.foundation_uniformAcceleratedFreeFallScene__En_Tz{display:grid;grid-area:auto;align-content:stretch;min-height:0;padding:0;overflow:hidden}.foundation_uniformAcceleratedFreeFallScene__En_Tz .foundation_uniformAcceleratedVertical__GO_Uf{min-height:0;height:100%;padding:clamp(20px,2vw,30px)}.foundation_uniformAcceleratedFreeFallScene__En_Tz .foundation_uniformAcceleratedMotionRig__MezSX{--uniform-accelerated-ruler-height:min(470px,58dvh,calc(100% - var(--uniform-accelerated-ruler-top)))}.foundation_uniformAcceleratedVerticalBench__M9fS6 .foundation_uniformAcceleratedMotionRig__MezSX{--uniform-accelerated-ruler-top:34px;--uniform-accelerated-ruler-height:calc(100% - var(--uniform-accelerated-ruler-top) - 24px)}.foundation_uniformAcceleratedFreeFallPanels__uteLG{display:grid;grid-template-rows:auto minmax(260px,.5fr) minmax(200px,1fr);align-content:start;grid-gap:14px;gap:14px;height:100%;overflow:hidden}.foundation_uniformAcceleratedFreeFallPanels__uteLG .foundation_uniformAcceleratedReadouts___we67{position:static;grid-template-columns:repeat(5,minmax(0,1fr));width:100%;padding:8px}.foundation_uniformAcceleratedFreeFallPanels__uteLG .foundation_uniformAcceleratedReadouts___we67 div{display:grid;grid-template-columns:minmax(0,1fr);grid-row-gap:2px;row-gap:2px;align-items:start;border-right:0;border-bottom:0}.foundation_uniformAcceleratedFreeFallPanels__uteLG .foundation_uniformAcceleratedReadouts___we67 dd{margin-top:0;font-size:14px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx{display:grid;grid-template-columns:1fr;align-items:stretch;grid-gap:14px;gap:14px;min-height:0;overflow:hidden}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1{display:grid;grid-template-columns:minmax(310px,1fr) minmax(270px,.82fr);align-items:stretch;grid-gap:14px;gap:14px;min-height:0}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_controlsPanelLarge__ftw2H,.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_parametersPanel__UGZvH,.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_dataPanel__Si_Tb,.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_graphPanelLarge__nZkdP{grid-area:auto}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_parametersPanel__UGZvH{grid-template-columns:1fr;grid-template-rows:76px minmax(172px,1fr);gap:12px;padding:0;min-height:0;overflow:hidden;background:transparent;border:0;border-radius:0}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedParameterFormulaCard__peVyZ,.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedParameterSettingsCard__2C4O7{min-width:0;min-height:0;overflow:hidden;background:rgb(var(--panel-rgb)/.92);border:1.5px solid var(--line-soft);border-radius:8px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedParameterFormulaCard__peVyZ{display:grid;align-items:center;padding:10px 14px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedParameterFormulaCard__peVyZ .foundation_formulaStrip__sVSZ_{grid-template-columns:minmax(0,1.35fr) minmax(0,.75fr);align-items:center;min-width:0;gap:14px;padding:0;overflow:hidden;background:transparent;border:0}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedFormulaItem__GZl_A{display:grid;grid-gap:5px;gap:5px;min-width:0}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedFormulaItem__GZl_A>span{color:var(--muted-ink);font-size:11px;font-weight:900;line-height:1;white-space:nowrap}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedParameterFormulaCard__peVyZ .foundation_formulaStrip__sVSZ_ strong{min-width:0;overflow:hidden;font-size:20px;line-height:1.08;text-overflow:ellipsis;white-space:nowrap}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedParameterSettingsCard__2C4O7{display:grid;grid-template-areas:"mode velocity" "locked locked";grid-template-columns:minmax(178px,.62fr) minmax(0,1fr);grid-template-rows:minmax(78px,auto) minmax(58px,1fr);grid-gap:10px 14px;gap:10px 14px;padding:12px 14px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedModeGroup__rwsiO{display:grid;grid-area:mode;grid-template-columns:minmax(66px,auto) minmax(0,1fr);grid-template-rows:36px minmax(34px,1fr);grid-gap:8px 10px;gap:8px 10px;min-width:0;min-height:0;padding-right:14px;border-right:1px solid rgba(207,198,184,.72)}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedModeGroup__rwsiO h3{align-self:center;margin:0;font-size:16px;line-height:1.08}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedModeGroup__rwsiO .foundation_directionControl__Tor7X{min-width:0;min-height:0;gap:6px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedModeGroup__rwsiO .foundation_directionControl__Tor7X button{min-height:35px;padding:0 8px;font-size:13px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedModeGroup__rwsiO .foundation_parameterHint__oegtb{grid-column:1/-1;grid-template-columns:22px minmax(0,1fr);gap:7px;min-height:0;padding:7px 9px;overflow:hidden;font-size:12px;line-height:1.18}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedLockedParams__JIKEX,.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedPrimaryParam__B8F9M{min-width:0;min-height:0}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedPrimaryParam__B8F9M{display:grid;grid-area:velocity;grid-template-columns:minmax(56px,auto) minmax(0,1fr);grid-gap:10px;gap:10px;align-items:center}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedLockedParams__JIKEX{display:grid;grid-area:locked;grid-template-columns:minmax(56px,auto) repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px;align-items:center;padding-top:10px;border-top:1px solid rgba(207,198,184,.72)}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedLockedParams__JIKEX>span,.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedPrimaryParam__B8F9M>span{color:var(--muted-ink);font-size:12px;font-weight:900;white-space:nowrap}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedLockedParams__JIKEX label,.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedPrimaryParam__B8F9M label{min-width:0;min-height:0;grid-template-columns:minmax(58px,.66fr) minmax(88px,1fr) auto;gap:7px;align-items:center;font-size:12px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedLockedParams__JIKEX label:has(input:disabled){grid-template-columns:minmax(50px,.64fr) minmax(58px,1fr) auto;gap:5px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedLockedParams__JIKEX label>span,.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedPrimaryParam__B8F9M label>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedLockedParams__JIKEX label strong,.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedPrimaryParam__B8F9M label strong{font-size:12px;white-space:nowrap}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedLockedParams__JIKEX label:has(input:disabled) .foundation_numberStepper__CacMF{grid-template-columns:minmax(0,1fr)}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedLockedParams__JIKEX label:has(input:disabled) .foundation_numberStepper__CacMF span{display:none}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedModeGroup__rwsiO .foundation_parameterHint__oegtb span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_uniformAcceleratedModeGroup__rwsiO .foundation_parameterHint__oegtb svg{width:20px;height:20px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_numberStepper__CacMF input[type=number]{min-height:34px;padding:0 6px;font-size:14px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_numberStepper__CacMF button{min-height:17px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_controlsPanelLarge__ftw2H{gap:8px;min-height:0;overflow:auto;padding-bottom:12px}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx .foundation_playbackControlsLarge__p2Rfw{grid-template-columns:repeat(2,minmax(0,1fr))}.foundation_controlsPanelLarge__ftw2H.foundation_uniformAcceleratedCompactTimePanel__WDW0s{gap:6px;padding:8px 10px}.foundation_controlsPanelLarge__ftw2H.foundation_uniformAcceleratedCompactTimePanel__WDW0s .foundation_timeHeader__rBKM0{align-items:center;flex-direction:row;gap:8px}.foundation_controlsPanelLarge__ftw2H.foundation_uniformAcceleratedCompactTimePanel__WDW0s .foundation_timeHeader__rBKM0 h3{font-size:14px}.foundation_controlsPanelLarge__ftw2H.foundation_uniformAcceleratedCompactTimePanel__WDW0s .foundation_timeHeader__rBKM0 strong{font-size:12px}.foundation_controlsPanelLarge__ftw2H.foundation_uniformAcceleratedCompactTimePanel__WDW0s input[type=range]{margin:0}.foundation_controlsPanelLarge__ftw2H.foundation_uniformAcceleratedCompactTimePanel__WDW0s .foundation_playbackControlsLarge__p2Rfw{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.foundation_controlsPanelLarge__ftw2H.foundation_uniformAcceleratedCompactTimePanel__WDW0s .foundation_playbackControlsLarge__p2Rfw button{min-height:34px}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_graphPanelLarge__nZkdP{grid-template-rows:minmax(0,1fr) auto;min-height:0;overflow:hidden}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_motionChartPanel__WArEV{min-height:0;padding:12px}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_graphTabs__lnzlx{grid-template-columns:repeat(3,minmax(0,1fr))}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_graphTabs__lnzlx button{min-height:34px}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_echartsCanvas__I_jR1{height:100%;min-height:0}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_dataPanel__Si_Tb{padding:12px}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_dataPanel__Si_Tb table{margin-top:8px;font-size:12px}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_dataTableFrame__R9JoW{min-height:0;overflow:auto}@container uniform-accelerated-vertical (max-width: 1220px){.foundation_uniformAcceleratedFreeFallBody__39dhl{grid-template-columns:minmax(390px,.72fr) minmax(0,1.28fr)}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx{grid-template-columns:1fr}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1{grid-template-columns:minmax(0,1fr) minmax(220px,.86fr)}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_dataPanel__Si_Tb table{font-size:11px}}@container uniform-accelerated-vertical (max-width: 900px){.foundation_uniformAcceleratedWorkspace__uczlF[data-layout=vertical]{overflow:auto}.foundation_uniformAcceleratedFreeFallBody__39dhl{grid-template-columns:1fr;height:auto;overflow:visible}.foundation_uniformAcceleratedFreeFallScene__En_Tz{min-height:440px}.foundation_uniformAcceleratedFreeFallPanels__uteLG,.foundation_uniformAcceleratedVerticalBench__M9fS6{height:auto;overflow:visible}}@container uniform-accelerated-vertical (max-width: 760px){.foundation_uniformAcceleratedFreeFallPanels__uteLG .foundation_uniformAcceleratedReadouts___we67{grid-template-columns:repeat(2,minmax(0,1fr))}.foundation_uniformAcceleratedFreeFallTopPanels__HVQPx,.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1{grid-template-columns:1fr}.foundation_uniformAcceleratedFreeFallVisualDataPanels__LuKb1 .foundation_echartsCanvas__I_jR1{min-height:260px}}.foundation_controlsPanelLarge__ftw2H,.foundation_dataPanel__Si_Tb,.foundation_graphPanelLarge__nZkdP,.foundation_parametersPanel__UGZvH{min-width:0;padding:16px}.foundation_parametersPanel__UGZvH{grid-area:params}.foundation_controlsPanelLarge__ftw2H{grid-area:controls}.foundation_dataPanel__Si_Tb{grid-area:data;overflow:hidden}.foundation_graphPanelLarge__nZkdP{display:grid;grid-area:graph;grid-gap:12px;gap:12px}.foundation_controlsPanelLarge__ftw2H h3,.foundation_dataPanel__Si_Tb h3,.foundation_panelTitleRow__lAykH h3,.foundation_parametersPanel__UGZvH h3{margin:0;font-size:16px}.foundation_parametersPanel__UGZvH{display:grid;grid-gap:16px;gap:16px;align-content:start}.foundation_parametersPanel__UGZvH label{display:grid;grid-template-columns:minmax(0,1fr) 92px 34px;grid-gap:8px;gap:8px;align-items:center;font-weight:900}.foundation_parametersPanel__UGZvH label>span{min-width:0}.foundation_parametersPanel__UGZvH label em{color:var(--muted-ink);font-style:italic}.foundation_parametersPanel__UGZvH input[type=number]{min-width:0;height:40px;padding:0 10px;color:var(--ink);font-weight:900;background:var(--panel);border:1.5px solid var(--line-soft);border-radius:6px}.foundation_parametersPanel__UGZvH label strong{color:var(--muted-ink);font-size:12px}.foundation_directionControl__Tor7X button{flex:1 1}.foundation_directionControl__Tor7X button[aria-pressed=true],.foundation_graphTabs__lnzlx button[aria-pressed=true]{color:white;background:var(--green);border-color:var(--green)}.foundation_formulaStrip__sVSZ_{display:grid;grid-gap:8px;gap:8px;padding:12px;background:var(--panel);border:1px dashed var(--line-soft);border-radius:8px}.foundation_uniformAcceleratedFormulaItem__GZl_A{display:grid;grid-gap:5px;gap:5px;min-width:0}.foundation_uniformAcceleratedFormulaItem__GZl_A>span{color:var(--muted-ink);font-size:11px;font-weight:900;line-height:1;white-space:nowrap}.foundation_formulaStrip__sVSZ_ strong{font-family:var(--font-body);font-size:15px}.foundation_latexInline__dptyy{display:inline-flex;align-items:baseline;line-height:1;vertical-align:-.04em;white-space:nowrap}.foundation_latexInline__dptyy .foundation_katex__bAoqU{font-size:1em;line-height:1}.foundation_chartFormula__O8Xz2{display:inline-flex;gap:5px;align-items:center;white-space:nowrap}.foundation_valueFormula__oLEPa .foundation_katex__bAoqU{color:inherit}.foundation_echartsFrame__KlP7C{position:relative;min-height:0}.foundation_chartAxisLabel__F3x1C{position:absolute;z-index:1;color:var(--muted-ink);font-size:12px;font-weight:800;pointer-events:none}.foundation_chartYAxisLabel__sMKLl{top:20px;left:52px}.foundation_chartXAxisLabel__roSyA{right:14px;bottom:47px}.foundation_controlsPanelLarge__ftw2H{display:grid;grid-gap:16px;gap:16px}.foundation_panelTitleRow__lAykH strong,.foundation_timeHeader__rBKM0 strong{color:var(--green);font-size:14px;white-space:nowrap}.foundation_controlsPanelLarge__ftw2H input[type=range]{width:100%;accent-color:var(--green)}.foundation_fallTimeSlider__lu_7d{--time-progress:0%;height:22px;background:transparent;cursor:var(--cursor-pointer);-webkit-appearance:none;-moz-appearance:none;appearance:none}.foundation_fallTimeSlider__lu_7d::-webkit-slider-runnable-track{height:8px;background:linear-gradient(90deg,var(--green) 0 var(--time-progress),var(--paper-deep) var(--time-progress) 100%);border:1px solid var(--line-soft);border-radius:999px}.foundation_fallTimeSlider__lu_7d::-webkit-slider-thumb{width:20px;height:20px;margin-top:-7px;background:var(--green);border:0;border-radius:999px;box-shadow:0 0 0 2px rgba(47,143,85,.18);-webkit-appearance:none;appearance:none}.foundation_fallTimeSlider__lu_7d::-moz-range-track{height:8px;background:var(--paper-deep);border:1px solid var(--line-soft);border-radius:999px}.foundation_fallTimeSlider__lu_7d::-moz-range-progress{height:8px;background:var(--green);border-radius:999px}.foundation_fallTimeSlider__lu_7d::-moz-range-thumb{width:20px;height:20px;background:var(--green);border:0;border-radius:999px;box-shadow:0 0 0 2px rgba(47,143,85,.18)}.foundation_playbackControlsLarge__p2Rfw{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.foundation_playbackControlsLarge__p2Rfw button{padding:0 10px}.foundation_playbackControlsLarge__p2Rfw button:focus{outline:0}.foundation_playbackControlsLarge__p2Rfw button:focus-visible{border-color:var(--green);outline:2px solid rgba(47,143,85,.32);outline-offset:2px}.foundation_playbackControlsLarge__p2Rfw .foundation_primaryButton__iu7my{color:white;background:var(--green);border-color:var(--green)}.foundation_stateReadout__g3Re_{grid-template-columns:repeat(3,minmax(0,1fr))}.foundation_stateReadout__g3Re_ dd{font-size:15px}.foundation_dataPanel__Si_Tb table{width:100%;margin-top:12px;overflow:hidden;font-size:13px;border-collapse:collapse;border:1px solid var(--line-soft);border-radius:8px}.foundation_dataPanel__Si_Tb td,.foundation_dataPanel__Si_Tb th{padding:8px;text-align:center;border:1px solid var(--line-soft)}.foundation_dataPanel__Si_Tb th{color:var(--muted-ink);background:rgb(var(--paper-deep-rgb)/.58)}.foundation_dataPanel__Si_Tb tbody{display:block;max-height:212px;overflow:auto}.foundation_dataPanel__Si_Tb tbody tr,.foundation_dataPanel__Si_Tb thead{display:table;width:100%;table-layout:fixed}.foundation_graphTabs__lnzlx{align-self:start}.foundation_graphTabs__lnzlx button{min-width:118px}.foundation_motionChartPanel__WArEV{display:grid;grid-gap:10px;gap:10px;min-height:100%;padding:14px;margin:0}.foundation_echartsCanvas__I_jR1{width:100%;min-height:342px}.foundation_chartCaption__algNU{min-height:40px;font-weight:800}.foundation_overview__36F_J{padding:clamp(14px,1.2vw,22px);overflow:hidden}.foundation_experimentWorkspace__UY4RG{grid-template-rows:auto clamp(136px,20.5vh,214px) minmax(0,1fr);gap:clamp(10px,1.4vh,16px);height:100%;min-height:0;padding:clamp(14px,1.1vw,22px);overflow:hidden}.foundation_experimentHeader__dOGfh h2{font-size:clamp(26px,2.2vw,36px)}.foundation_experimentSubtitle__PR_Ba{margin-top:6px}.foundation_experimentToolbar__FMSTT button{min-height:38px;padding:0 12px;background:rgb(var(--panel-rgb)/.72)}.foundation_trackPanel__dYseV{--cart-height:clamp(40px,3.9vh,42px);--cart-width:clamp(86px,4.6vw,92px);--track-axis-bottom:clamp(44px,5.4vh,62px);--track-origin-height:clamp(52px,6.8vh,72px);min-height:0;padding:clamp(10px,1vw,18px)}.foundation_cartTrack__t_hNQ{min-height:clamp(114px,17vh,178px);padding:clamp(38px,6.8vh,72px) 22px clamp(28px,4.4vh,46px)}.foundation_trackAxisLabel__5k05z{position:absolute;top:10px;left:calc(var(--track-origin-position, 3.2%) - 15px);color:var(--muted-ink);font-size:13px;font-style:italic;font-weight:900}.foundation_trackOriginAxis__BASVI{position:absolute;bottom:var(--track-axis-bottom);left:var(--track-origin-position,3.2%);width:2px;height:var(--track-origin-height);background:var(--ink);transform:translateX(-50%)}.foundation_trackOriginAxis__BASVI:after,.foundation_trackOriginAxis__BASVI:before{position:absolute;left:50%;width:0;height:0;content:"";border-right:5px solid transparent;border-left:5px solid transparent;transform:translateX(-50%)}.foundation_trackOriginAxis__BASVI:before{top:-1px;border-bottom:8px solid var(--ink)}.foundation_trackOriginAxis__BASVI:after{bottom:-1px;border-top:8px solid var(--ink)}.foundation_axisLine__4dU_x{bottom:var(--track-axis-bottom);right:0;left:0}.foundation_trackTick__ehEnL{bottom:clamp(13px,calc(var(--track-axis-bottom) - 28px),34px)}.foundation_trackTick__ehEnL i{bottom:24px;height:clamp(14px,1.5vh,16px)}.foundation_cartBody__4847u{bottom:var(--track-axis-bottom);width:var(--cart-width);height:var(--cart-height)}.foundation_cartMarker__66DHn{bottom:calc(var(--track-axis-bottom) + var(--cart-height) + clamp(8px, 1.1vh, 12px))}.foundation_trackUnit__ESRKY{right:2px;bottom:1px}.foundation_liveReadouts__NA9wH{top:clamp(10px,2vh,22px);right:clamp(18px,1.4vw,22px);width:min(460px,calc(100% - 56px));padding:clamp(6px,.75vw,8px)}.foundation_liveReadouts__NA9wH div{padding:6px 10px}.foundation_liveReadouts__NA9wH dd{font-size:16px}.foundation_experimentGrid__igzzn{grid-template-areas:"params controls graph" "params data graph";grid-template-columns:minmax(232px,.54fr) minmax(270px,1.04fr) minmax(300px,1.1fr);grid-template-rows:minmax(150px,.58fr) minmax(0,1fr);gap:clamp(10px,1vw,16px);min-height:0}.foundation_controlsPanelLarge__ftw2H,.foundation_dataPanel__Si_Tb,.foundation_graphPanelLarge__nZkdP,.foundation_motionChartPanel__WArEV,.foundation_parametersPanel__UGZvH{padding:clamp(12px,.85vw,16px)}.foundation_parametersPanel__UGZvH{gap:14px}.foundation_parametersPanel__UGZvH label{grid-template-columns:minmax(68px,1fr) 104px 28px;gap:6px}.foundation_numberStepper__CacMF{display:grid;grid-template-columns:minmax(0,1fr) 26px;overflow:hidden;background:var(--panel);border:1.5px solid var(--line-soft);border-radius:5px}.foundation_numberStepper__CacMF input[type=number]{width:100%;min-height:32px;padding:0 8px;text-align:center;-webkit-appearance:textfield;-moz-appearance:textfield;appearance:textfield;border:0;border-right:1px solid var(--line-soft);border-radius:0}.foundation_numberStepper__CacMF input[type=number]::-webkit-inner-spin-button,.foundation_numberStepper__CacMF input[type=number]::-webkit-outer-spin-button{margin:0;-webkit-appearance:none;appearance:none}.foundation_numberStepper__CacMF span{display:grid;grid-template-rows:1fr 1fr}.foundation_numberStepper__CacMF button{display:grid;place-items:center;min-height:16px;padding:0;color:var(--muted-ink);font-size:12px;font-weight:900;line-height:1;background:rgb(var(--panel-rgb)/.9);border:0}.foundation_numberStepper__CacMF button+button{border-top:1px solid var(--line-soft)}.foundation_numberStepper__CacMF:focus-within{border-color:var(--green);box-shadow:0 0 0 1.5px var(--green)}.foundation_numberStepper__CacMF button:focus-visible,.foundation_numberStepper__CacMF input:focus-visible{outline:none}.foundation_hookeRecordPanel__PQatg button:disabled,.foundation_numberStepper__CacMF button:disabled{color:#a19a8e;cursor:not-allowed;opacity:.52}.foundation_hookeRecordPanel__PQatg .foundation_primaryButton__iu7my:disabled{color:rgb(var(--panel-rgb)/.8);background:#9bb8a4;border-color:#9bb8a4}.foundation_directionControl__Tor7X{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.foundation_directionControl__Tor7X button{min-height:38px}.foundation_parameterHint__oegtb{display:grid;grid-template-columns:26px minmax(0,1fr);grid-gap:8px;gap:8px;align-items:center;min-height:58px;padding:10px;color:var(--muted-ink);font-size:12px;font-weight:900;background:rgb(var(--panel-rgb)/.72);border:1px dashed var(--line-soft);border-radius:8px}.foundation_parameterHint__oegtb svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.foundation_controlsPanelLarge__ftw2H{align-content:start;gap:14px;padding-bottom:clamp(20px,1.2vw,24px)}.foundation_controlsPanelLarge__ftw2H input[type=range]{margin:6px 0}.foundation_playbackControlsLarge__p2Rfw button{min-height:40px}.foundation_dataPanel__Si_Tb table{margin-top:0;font-size:12px;border:0;border-radius:0}.foundation_dataPanel__Si_Tb td,.foundation_dataPanel__Si_Tb th{padding:4px 6px;line-height:1.2}.foundation_dataPanel__Si_Tb tbody{display:table-row-group;max-height:none;overflow:visible}.foundation_dataPanel__Si_Tb thead{display:table-header-group}.foundation_dataPanel__Si_Tb tbody tr{display:table-row}.foundation_dataPanel__Si_Tb{display:grid;grid-template-rows:auto minmax(0,1fr);grid-gap:8px;gap:8px}.foundation_dataTableFrame__R9JoW{min-height:0;overflow:auto;border:1px solid var(--line-soft);border-radius:8px}.foundation_graphPanelLarge__nZkdP{grid-template-rows:minmax(0,1fr) auto;gap:10px}.foundation_motionChartPanel__WArEV{grid-template-rows:auto minmax(0,1fr);gap:6px;height:100%;min-height:0}.foundation_echartsCanvas__I_jR1,.foundation_echartsFrame__KlP7C{height:100%;min-height:0}.foundation_graphTabs__lnzlx{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.foundation_graphTabs__lnzlx button{min-width:0;min-height:38px}.foundation_compositionWorkspace__QU5G2{grid-template-rows:auto minmax(0,1fr);gap:clamp(10px,1.15vh,14px);padding:clamp(14px,1.25vw,18px);overflow:hidden;container-name:composition-workspace;container-type:inline-size}.foundation_compositionWorkspace__QU5G2 .foundation_experimentHeader__dOGfh{align-items:flex-start}.foundation_compositionWorkspace__QU5G2 .foundation_experimentToolbar__FMSTT{flex-wrap:nowrap}.foundation_compositionBodyFrame__LX98X{min-width:0;min-height:0;overflow:hidden}.foundation_compositionBody__otvP0{display:grid;grid-template-areas:"trajectory trajectory trajectory trajectory trajectory trajectory trajectory vector vector vector vector vector" "params params params controls controls controls controls data data data data data";grid-template-columns:repeat(12,minmax(0,1fr));grid-template-rows:minmax(0,1.58fr) minmax(214px,.78fr);grid-gap:clamp(10px,1vw,14px);gap:clamp(10px,1vw,14px);height:100%;min-height:0}.foundation_compositionControlsPanel__gTr0j,.foundation_compositionDataPanel__mAUIP,.foundation_compositionParamsPanel__EINWe,.foundation_compositionTrajectoryPanel__8AtYn,.foundation_compositionVectorPanel__hkMLN{min-width:0;min-height:0;background:rgb(var(--panel-rgb)/.92);border:1.5px solid var(--line-soft);border-radius:8px}.foundation_compositionTrajectoryPanel__8AtYn{position:relative;display:grid;grid-area:trajectory;grid-template-rows:auto minmax(0,1fr);grid-gap:6px;gap:6px;padding:14px;overflow:hidden}.foundation_compositionTrajectoryPanel__8AtYn h3,.foundation_compositionVectorPanel__hkMLN h3{margin:0;font-size:16px}.foundation_compositionStageHead__MeO5u{display:flex;gap:12px;align-items:center;justify-content:space-between;min-width:0}.foundation_compositionLayerChecks__6hqfK{display:flex;gap:12px;align-items:center;color:var(--muted-ink);font-size:12px;font-weight:900;white-space:nowrap}.foundation_compositionLayerChecks__6hqfK label{display:inline-flex;gap:5px;align-items:center;cursor:var(--cursor-pointer)}.foundation_compositionLayerChecks__6hqfK input[type=checkbox]{width:14px;height:14px;cursor:var(--cursor-pointer);accent-color:var(--green)}.foundation_compositionTrajectorySvg__lMcTt{width:100%;height:100%;min-height:0;overflow:visible}.foundation_compositionGridLine__xTSkW{stroke:var(--line-soft);stroke-dasharray:6 5;stroke-width:1.1}.foundation_compositionTriangleGuide___bOBo{stroke:var(--muted-ink);stroke-dasharray:6 5;stroke-width:1.1;opacity:.55}.foundation_compositionAxis__SMKfI{stroke:var(--ink);stroke-linecap:round;stroke-width:1.8}.foundation_compositionAxisLabel__bA_02,.foundation_compositionOriginLabel__kkXQE,.foundation_compositionTickLabel__u5Hng{fill:var(--muted-ink);font-size:13px;font-weight:800}.foundation_compositionOriginLabel__kkXQE{fill:var(--ink);font-style:italic}.foundation_compositionFuturePath__Iigad{fill:none;stroke:#b8bab4;stroke-dasharray:7 6;stroke-width:2}.foundation_compositionDonePath__2skih{fill:none;stroke:var(--green);stroke-linecap:round;stroke-linejoin:round;stroke-width:3}.foundation_compositionProjGuide__DnE9Z{stroke:var(--muted-ink);stroke-dasharray:4 4;stroke-width:1.4;opacity:.5}.foundation_compositionShadowX__kO20_{fill:#d74b42;stroke:var(--ink-stroke);stroke-width:1.4}.foundation_compositionShadowY__CkIr4{fill:#2d6fb2;stroke:var(--ink-stroke);stroke-width:1.4}.foundation_compositionShadowLabelX__FLxek{fill:#d74b42;font-size:11px;font-weight:900}.foundation_compositionShadowLabelY__oVZkN{fill:#2d6fb2;font-size:11px;font-weight:900}.foundation_compositionVectorLine__s47D9,.foundation_compositionVectorPanelV__tTIAm{stroke:var(--green);stroke-linecap:round;stroke-width:3.2}.foundation_compositionVectorPanelVx__eh41F,.foundation_compositionVxLine___7wUv{stroke:#d74b42;stroke-linecap:round;stroke-width:2.8}.foundation_compositionVectorPanelVy__R0hgl,.foundation_compositionVyLine__5uNo3{stroke:#2d6fb2;stroke-linecap:round;stroke-width:2.8}.foundation_compositionStrobePoint__qtOv_{fill:rgb(var(--panel-rgb)/.6);stroke:#8b6f4e;stroke-width:1.7}.foundation_compositionThetaLabel__Z1wz8,.foundation_compositionVectorLabel__at8jp,.foundation_compositionVxLabel___62KS,.foundation_compositionVyLabel__fvgId{font-family:var(--font-math);font-size:17px;font-style:italic;font-weight:900}.foundation_compositionVxLabel___62KS{fill:#d74b42}.foundation_compositionVyLabel__fvgId{fill:#2d6fb2}.foundation_compositionThetaLabel__Z1wz8,.foundation_compositionVectorLabel__at8jp{fill:var(--green)}.foundation_compositionAngleArc__9WmbD{fill:none;stroke:var(--green);stroke-width:2}.foundation_compositionParallelogram__C_fma{fill:rgb(90 96 86/.06);stroke:none}.foundation_compositionPointLabel__KDddE{display:inline-flex;align-items:center;justify-content:center;min-width:106px;min-height:28px;padding:0 8px;color:var(--green);font-weight:900;background:rgb(var(--panel-rgb)/.94);border:1.5px solid var(--green);border-radius:5px}.foundation_compositionNatureBadge__qMR51{display:inline-flex;align-items:center;min-height:30px;padding:0 12px;color:var(--green);font-size:13px;font-weight:900;background:rgb(var(--panel-rgb)/.92);border:1.5px solid var(--green);border-radius:999px}.foundation_compositionNatureBadge__qMR51[data-curved=true]{color:#b0742c;border-color:#b0742c}.foundation_compositionTubeGlass__e6bqt{fill:rgb(157 199 224/.16);stroke:var(--ink-stroke);stroke-width:1.8}.foundation_compositionTubeHighlight__CNy4y{stroke:#ffffff;stroke-linecap:round;stroke-width:2.2;opacity:.5}.foundation_compositionTubeShade__k85h4{stroke:#38536b;stroke-linecap:round;stroke-width:1.6;opacity:.18}.foundation_compositionTubeCap__pLRWh{fill:#b98a5e;stroke:var(--ink-stroke);stroke-width:1.6}.foundation_compositionSliderSeat__sDqoQ{fill:#9fa79e;stroke:var(--ink-stroke);stroke-width:1.8}.foundation_compositionSeatBolt__WTG73{fill:#6d756c;stroke:var(--ink-stroke);stroke-width:.8}.foundation_compositionWaxBall__NCKMw{filter:drop-shadow(1px 2px 0 rgba(21,23,21,.18))}.foundation_compositionTimeBadge__W46c9{position:absolute;right:18px;bottom:18px;color:var(--green);font-size:14px}.foundation_compositionVectorPanel__hkMLN{display:grid;grid-area:vector;grid-template-rows:auto minmax(140px,1fr) auto auto;grid-gap:10px;gap:10px;padding:14px;overflow:hidden}.foundation_compositionCurveNote___SE1u{margin:0;padding:7px 10px;color:var(--muted-ink);font-size:12px;font-weight:700;line-height:1.5;background:rgb(176 116 44/.08);border-left:3px solid #b0742c;border-radius:4px}.foundation_compositionCurveNote___SE1u[data-variant=tip]{background:transparent;border-left-color:var(--line-soft)}.foundation_compositionVectorSvg__TU0mL{width:100%;height:100%;min-height:0}.foundation_compositionVectorStats__UBU_V{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;overflow:hidden;border:1px solid var(--line-soft);border-radius:7px}.foundation_compositionVectorStats__UBU_V div{min-width:0;padding:10px 12px;text-align:center;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}.foundation_compositionVectorStats__UBU_V div:nth-child(2n){border-right:0}.foundation_compositionVectorStats__UBU_V div:nth-last-child(-n+2){border-bottom:0}.foundation_compositionVectorStats__UBU_V dt{color:var(--muted-ink);font-size:12px;font-weight:900}.foundation_compositionVectorStats__UBU_V dd{margin:6px 0 0;color:var(--green);font-size:15px;font-weight:900}.foundation_compositionFormulaGrid__EPT0W{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:hidden;color:var(--ink);font-size:18px;border:1px solid var(--line-soft);border-radius:7px}.foundation_compositionFormulaGrid__EPT0W>span{display:grid;place-items:center;min-height:48px;border-right:1px solid var(--line-soft)}.foundation_compositionFormulaGrid__EPT0W>span:last-child{border-right:0}.foundation_compositionParamsPanel__EINWe{grid-area:params;gap:8px;padding:12px;align-content:space-between}.foundation_compositionParamsPanel__EINWe label{grid-template-columns:minmax(96px,1fr) 92px 34px;gap:6px}.foundation_compositionParamsPanel__EINWe .foundation_numberStepper__CacMF input[type=number]:disabled{color:var(--muted-ink);opacity:.55}.foundation_compositionParamsPanel__EINWe .foundation_numberStepper__CacMF input[type=number]{height:34px;min-height:0}.foundation_compositionParamsPanel__EINWe .foundation_numberStepper__CacMF button{min-height:14px}.foundation_compositionControlsPanel__gTr0j{display:flex;flex-direction:column;grid-area:controls;gap:10px;padding:12px}.foundation_compositionControlsPanel__gTr0j .foundation_playbackControlsLarge__p2Rfw{margin-top:auto}.foundation_compositionDataPanel__mAUIP{grid-area:data;padding:12px}.foundation_compositionTimeSlider__piUaW{--time-progress:0%;height:22px;background:transparent;cursor:var(--cursor-pointer);-webkit-appearance:none;-moz-appearance:none;appearance:none}.foundation_compositionTimeSlider__piUaW::-webkit-slider-runnable-track{height:8px;background:linear-gradient(90deg,var(--green) 0 var(--time-progress),var(--paper-deep) var(--time-progress) 100%);border:1px solid var(--line-soft);border-radius:999px}.foundation_compositionTimeSlider__piUaW::-webkit-slider-thumb{width:20px;height:20px;margin-top:-7px;background:var(--green);border:0;border-radius:999px;box-shadow:0 0 0 2px rgba(47,143,85,.18);-webkit-appearance:none;appearance:none}.foundation_compositionTimeSlider__piUaW::-moz-range-track{height:8px;background:var(--paper-deep);border:1px solid var(--line-soft);border-radius:999px}.foundation_compositionTimeSlider__piUaW::-moz-range-progress{height:8px;background:var(--green);border-radius:999px}.foundation_compositionTimeSlider__piUaW::-moz-range-thumb{width:20px;height:20px;background:var(--green);border:0;border-radius:999px;box-shadow:0 0 0 2px rgba(47,143,85,.18)}.foundation_compositionTimeTicks__YLVtS{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));color:var(--muted-ink);font-size:12px;font-weight:900}.foundation_compositionTimeTicks__YLVtS span:nth-child(2){text-align:center}.foundation_compositionTimeTicks__YLVtS span:last-child{text-align:right}.foundation_compositionSamplingRow__Aa04l{display:grid;grid-template-columns:minmax(96px,1fr) 92px 34px;grid-gap:6px;gap:6px;align-items:center;color:var(--ink);font-size:13px;font-weight:800}.foundation_compositionSamplingRow__Aa04l strong{color:var(--muted-ink);font-size:12px}.foundation_compositionSamplingRow__Aa04l .foundation_numberStepper__CacMF input[type=number]{min-height:30px}.foundation_compositionSamplingRow__Aa04l .foundation_numberStepper__CacMF button{min-height:14px}.foundation_compositionDataPanel__mAUIP table{min-width:520px}.foundation_compositionDataPanel__mAUIP td,.foundation_compositionDataPanel__mAUIP th{padding:5px 4px}.foundation_coulombWorkspace__b1EL7{grid-template-rows:auto minmax(0,1fr);gap:clamp(10px,1.15vh,14px);overflow:hidden;container-name:coulomb-workspace;container-type:inline-size}.foundation_coulombWorkspace__b1EL7 .foundation_experimentToolbar__FMSTT{flex-wrap:nowrap}.foundation_coulombBody__7mkv3{display:grid;grid-template-areas:"field field field field field field analysis analysis analysis analysis analysis analysis" "field field field field field field components components components formula formula formula" "params params params position position position data data data data data data";grid-template-columns:repeat(12,minmax(0,1fr));grid-template-rows:minmax(0,1fr) minmax(124px,.28fr) minmax(226px,.58fr);grid-gap:clamp(10px,1vw,14px);gap:clamp(10px,1vw,14px);height:100%;min-height:0;overflow:hidden}.foundation_coulombAnalysisPanel__lzTDO,.foundation_coulombComponentsPanel__LeJSd,.foundation_coulombDataPanel__Owzyu,.foundation_coulombFieldPanel__IGx4Q,.foundation_coulombFormulaPanel__ITPem,.foundation_coulombParamsPanel__aAL25,.foundation_coulombPositionPanel__wwTUH{min-width:0;min-height:0;background:rgb(var(--panel-rgb)/.92);border:1.5px solid var(--line-soft);border-radius:8px}.foundation_coulombFieldPanel__IGx4Q{display:grid;grid-area:field;grid-template-rows:auto minmax(0,1fr);grid-gap:8px;gap:8px;padding:14px;overflow:hidden}.foundation_coulombAnalysisPanel__lzTDO h3,.foundation_coulombComponentsPanel__LeJSd h3,.foundation_coulombDataPanel__Owzyu h3,.foundation_coulombFieldPanel__IGx4Q h3,.foundation_coulombFormulaPanel__ITPem h3,.foundation_coulombParamsPanel__aAL25 h3,.foundation_coulombPositionPanel__wwTUH h3{margin:0;font-size:16px}.foundation_coulombFieldSvg__opwZ7,.foundation_coulombVectorDiagram__ag_Pl{width:100%;height:100%;min-height:0;overflow:visible}.foundation_coulombGridLine__YCKMz{stroke:#ded6c8;stroke-dasharray:6 5;stroke-width:1.05}.foundation_coulombAxis__8qF9x{stroke:var(--ink);stroke-linecap:round;stroke-width:1.8}.foundation_coulombAxisLabel__Sf5hX,.foundation_coulombDistanceLabel___bXes,.foundation_coulombTickLabel__3RoSq{fill:var(--muted-ink);font-size:12px;font-weight:800}.foundation_coulombAxisLabel__Sf5hX,.foundation_coulombDiagramLabelBlue__klBDs,.foundation_coulombDiagramLabelGreen__3p8_r,.foundation_coulombDiagramLabelOrange__4UC3j,.foundation_coulombDiagramLabelRed__oHs_H,.foundation_coulombDiagramLabel__DRvCQ,.foundation_coulombResultantLabel__F80jx,.foundation_coulombVectorLabel___beIL{font-family:var(--font-math);font-style:italic;font-weight:900}.foundation_coulombDiagramGuide__Ki_OQ,.foundation_coulombDistanceLine___ceDs{stroke:#c9c4b9;stroke-dasharray:7 6;stroke-width:1.5}.foundation_coulombPositiveCharge__XkqMy{fill:url(#coulomb-positive);stroke:#8e2d2b;stroke-width:2.2}.foundation_coulombNegativeCharge__O5Y0z{fill:url(#coulomb-negative);stroke:#2a3134;stroke-width:2.2}.foundation_coulombTestCharge__8O_9Q{fill:url(#coulomb-test);stroke:#1f6547;stroke-width:2.4}.foundation_coulombNeutralCharge__10ARt{fill:rgb(var(--panel-rgb)/.9);stroke:#9a948a;stroke-dasharray:5 4;stroke-width:2}.foundation_coulombProbeCharge__LW3Tg{fill:rgb(var(--panel-rgb)/.55);stroke:var(--green);stroke-dasharray:5 4;stroke-width:2.2}.foundation_coulombProbeCross__R1Qxc line{stroke:var(--green);stroke-linecap:round;stroke-width:2.2}.foundation_coulombVectorEmpty__KXlyl{display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:center;height:100%;min-height:0;margin:0;padding:12px;text-align:center}.foundation_coulombVectorEmpty__KXlyl span{display:flex;flex:0 0 auto;align-items:center;justify-content:center;width:46px;height:46px;color:var(--muted-ink);font-family:var(--font-math);font-size:24px;font-style:italic;font-weight:900;border:2px dashed var(--line-soft);border-radius:999px}.foundation_coulombVectorEmpty__KXlyl em{max-width:30ch;color:var(--muted-ink);font-size:12px;font-style:normal;font-weight:800;line-height:1.6}.foundation_coulombProbeHint__c8LAW{margin:2px 0 0;color:var(--muted-ink);font-size:11.5px;font-weight:700;line-height:1.5}.foundation_coulombProbeHint__c8LAW strong{color:var(--ink)}.foundation_coulombPanelHeader__WFu_R{display:flex;gap:10px;align-items:center;justify-content:space-between;min-width:0}.foundation_coulombQuantityToggle__sK8PB{display:inline-flex;flex:0 0 auto;gap:6px}.foundation_coulombQuantityToggle__sK8PB button{display:inline-flex;gap:5px;align-items:center;justify-content:center;min-height:30px;padding:0 10px;color:var(--ink);font-size:12px;font-weight:900;background:var(--panel);border:1.5px solid var(--line-soft);border-radius:6px;cursor:var(--cursor-pointer)}.foundation_coulombQuantityToggle__sK8PB button[aria-pressed=true]{color:#fff;background:var(--green);border-color:var(--green)}.foundation_coulombDraggableCharge__eY9NP{cursor:-webkit-grab;cursor:grab;outline:none;touch-action:none}.foundation_coulombDraggableCharge__eY9NP:focus-visible .foundation_coulombNegativeCharge__O5Y0z,.foundation_coulombDraggableCharge__eY9NP:focus-visible .foundation_coulombPositiveCharge__XkqMy,.foundation_coulombDraggableCharge__eY9NP:focus-visible .foundation_coulombTestCharge__8O_9Q{filter:drop-shadow(0 0 .35rem rgba(47,143,85,.42))}.foundation_coulombDraggingCharge__sYxGM{cursor:-webkit-grabbing;cursor:grabbing}.foundation_coulombChargeSymbol__uUnDM{fill:white;font-size:20px;font-weight:900}.foundation_coulombChargeCaption__Q8mub,.foundation_coulombChargeTitle__CKlhi,.foundation_coulombTestChargeLabel__Wt3O0{fill:var(--ink);font-size:12px;font-weight:900}.foundation_coulombChargeCaption__Q8mub,.foundation_coulombTestChargeLabel__Wt3O0{fill:var(--muted-ink)}.foundation_coulombDiagramBlue__9JvI3,.foundation_coulombDiagramGreen__KHv_r,.foundation_coulombDiagramOrange__MT7wW,.foundation_coulombDiagramRed__Ct_rq,.foundation_coulombResultantForce__xStAt,.foundation_coulombSourceForce__qSuJS{fill:none;stroke-linecap:round;stroke-linejoin:round}.foundation_coulombSourceForce__qSuJS{stroke:#d84b43;stroke-width:3}.foundation_coulombResultantForce__xStAt{stroke:var(--green);stroke-width:4.2}.foundation_coulombResultantLabel__F80jx,.foundation_coulombVectorLabel___beIL{fill:#d84b43;font-size:16px}.foundation_coulombResultantLabel__F80jx{fill:var(--green);font-size:17px}.foundation_coulombLegend__dWYia{display:grid;grid-gap:6px;gap:6px;padding:8px 10px;color:var(--muted-ink);font-size:11px;font-weight:900;background:rgb(var(--panel-rgb)/.88);border:1px solid var(--line-soft);border-radius:7px}.foundation_coulombLegend__dWYia span{display:flex;gap:7px;align-items:center;white-space:nowrap}.foundation_coulombLegend__dWYia i{flex:0 0 13px;width:13px;height:13px;border:1.5px solid;border-radius:999px}.foundation_coulombLegendTest__DIGOY{color:var(--green);background:#4bad75}.foundation_coulombLegendPositive__bSqiw{color:#d84b43;background:#d84b43}.foundation_coulombLegendNegative__ls4Dh{color:#59656a;background:#59656a}.foundation_coulombLegendLine__jZfRi{height:0!important;background:transparent;border-width:0!important;border-top:2px dashed #b8b2a6!important;border-radius:0!important}.foundation_coulombAnalysisPanel__lzTDO{display:grid;grid-area:analysis;grid-template-rows:auto minmax(0,1fr);grid-gap:6px;gap:6px;padding:14px;overflow:hidden}.foundation_coulombAnalysisGrid__kgWXN{display:grid;grid-template-columns:minmax(0,1fr) minmax(118px,148px);grid-gap:12px;gap:12px;align-items:stretch;justify-self:center;width:100%;max-width:620px;min-height:0}.foundation_coulombVectorStack__yWQAm{display:grid;grid-template-rows:auto minmax(0,1fr);grid-gap:3px;gap:3px;min-width:0;min-height:0}.foundation_coulombAnalysisSubtitle__RFtkS{margin:0;color:var(--muted-ink);font-size:13px;font-weight:900}.foundation_coulombVectorDiagram__ag_Pl{width:100%;height:100%;min-height:0;align-self:start;justify-self:center}.foundation_coulombDiagramVector____gbO{fill:none;stroke-width:3.2;stroke-linecap:round;stroke-linejoin:round}.foundation_coulombDiagramRed__Ct_rq{stroke:#d84b43;stroke-width:3.2}.foundation_coulombDiagramBlue__9JvI3{stroke:#2d6fb8;stroke-width:3.2}.foundation_coulombDiagramOrange__MT7wW{stroke:#d58b28;stroke-width:3.2}.foundation_coulombDiagramGreen__KHv_r{stroke:var(--green);stroke-width:4.2}.foundation_coulombDiagramOriginDot__j5ulk{fill:var(--ink)}.foundation_coulombDiagramLabelBlue__klBDs,.foundation_coulombDiagramLabelGreen__3p8_r,.foundation_coulombDiagramLabelOrange__4UC3j,.foundation_coulombDiagramLabelRed__oHs_H,.foundation_coulombDiagramLabel__DRvCQ{font-size:17px}.foundation_coulombDiagramLabel__DRvCQ{fill:var(--ink)}.foundation_coulombDiagramLabelRed__oHs_H{fill:#d84b43}.foundation_coulombDiagramLabelBlue__klBDs{fill:#2d6fb8}.foundation_coulombDiagramLabelOrange__4UC3j{fill:#d58b28}.foundation_coulombDiagramLabelGreen__3p8_r{fill:var(--green)}.foundation_coulombForceCards__G3Glv{display:grid;grid-gap:4px;gap:4px;align-content:center}.foundation_coulombForceCards__G3Glv strong{display:grid;place-items:center;min-height:26px;padding:0 8px;color:var(--green);font-family:var(--font-math);font-size:13px;font-style:italic;background:rgb(var(--panel-rgb)/.86);border:1px solid var(--line-soft);border-radius:7px}.foundation_coulombForceCards__G3Glv .foundation_coulombForceCardSourceRed__rNzR2{color:#d84b43}.foundation_coulombForceCards__G3Glv .foundation_coulombForceCardSourceBlue__OqKM0{color:#2d6fb8}.foundation_coulombForceCards__G3Glv .foundation_coulombForceCardSourceOrange__20kxw{color:#d58b28}.foundation_coulombForceCards__G3Glv .foundation_coulombForceCardAngle__agB4b,.foundation_coulombForceCards__G3Glv .foundation_coulombForceCardResultant__vPyDh{color:var(--green)}.foundation_coulombComponentsPanel__LeJSd{display:grid;grid-area:components;grid-template-rows:auto auto;align-content:safe center;grid-gap:10px;gap:10px;overflow:hidden;padding:12px}.foundation_coulombComponentsPanel__LeJSd table,.foundation_coulombDataPanel__Owzyu table{width:100%;border-collapse:collapse}.foundation_coulombComponentsPanel__LeJSd table{table-layout:fixed}.foundation_coulombComponentsPanel__LeJSd td,.foundation_coulombComponentsPanel__LeJSd th{padding:4px 10px;text-align:center;border:1px solid var(--line-soft)}.foundation_coulombComponentsPanel__LeJSd th{width:38%;color:var(--muted-ink);font-family:var(--font-math);font-size:14px;font-style:italic;background:var(--paper-deep)}.foundation_coulombComponentsPanel__LeJSd td{color:var(--green);font-family:var(--font-math);font-size:19px;font-style:italic;font-weight:800}.foundation_coulombFormulaPanel__ITPem{display:grid;grid-area:formula;grid-template-rows:auto auto;align-content:safe center;grid-gap:10px;gap:10px;overflow:hidden;padding:12px}.foundation_coulombFormulaInner__vhYlQ{display:grid;align-content:center;grid-gap:8px;gap:8px;min-height:0}.foundation_coulombFormulaPanel__ITPem .foundation_coulombFormulaInner__vhYlQ>div .foundation_katex__bAoqU{font-size:clamp(13px,1.5cqw,18px)!important}.foundation_coulombFormulaPanel__ITPem .foundation_coulombConstantNote__QXwK4 .foundation_katex__bAoqU{font-size:13px!important}.foundation_coulombParamsPanel__aAL25{grid-area:params;display:grid;grid-auto-rows:max-content;align-content:safe center;grid-gap:9px;gap:9px;overflow:auto;padding:12px}.foundation_coulombParamsPanel__aAL25 label{position:relative;grid-template-columns:minmax(0,1fr) 92px 22px;gap:6px;padding-right:20px;font-size:12px}.foundation_coulombParamsPanel__aAL25 label>span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.foundation_coulombParamsPanel__aAL25 .foundation_numberStepper__CacMF{height:32px;grid-template-columns:minmax(0,1fr) 20px}.foundation_coulombParamsPanel__aAL25 .foundation_numberStepper__CacMF input[type=number]{min-height:0;height:32px;padding:0 5px}.foundation_coulombParamsPanel__aAL25 .foundation_numberStepper__CacMF button{min-height:0}.foundation_coulombParamsPanel__aAL25 .foundation_coulombNegativeCharge__O5Y0z,.foundation_coulombParamsPanel__aAL25 .foundation_coulombPositiveCharge__XkqMy{position:absolute;top:50%;right:1px;width:13px;height:13px;transform:translateY(-50%);border:2px solid;border-radius:999px}.foundation_coulombParamsPanel__aAL25 .foundation_coulombPositiveCharge__XkqMy{color:#d84b43;background:#d84b43}.foundation_coulombParamsPanel__aAL25 .foundation_coulombNegativeCharge__O5Y0z{color:#59656a;background:#59656a}.foundation_coulombConstantNote__QXwK4{display:block;color:var(--muted-ink);font-size:12.5px;font-weight:700;line-height:1.45;text-align:center;white-space:normal}.foundation_coulombPositionPanel__wwTUH{grid-area:position;gap:7px;padding:12px}.foundation_coulombPositionPanel__wwTUH p{margin:0;color:var(--muted-ink);font-size:12px;font-weight:800}.foundation_coulombPositionGrid__xAha2{display:grid;grid-template-columns:1fr;grid-gap:8px;gap:8px}.foundation_coulombPositionGrid__xAha2 label{display:grid;grid-template-columns:18px minmax(92px,116px) 22px;grid-gap:6px;gap:6px;align-items:center;color:var(--muted-ink);font-weight:900}.foundation_coulombPositionGrid__xAha2 .foundation_numberStepper__CacMF{min-width:92px}.foundation_coulombPositionGrid__xAha2 .foundation_numberStepper__CacMF input[type=number]{min-height:32px}.foundation_coulombPositionGrid__xAha2 .foundation_numberStepper__CacMF button{min-height:16px}.foundation_coulombControlButtons__ehguX{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:8px;gap:8px}.foundation_coulombControlButtons__ehguX button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:38px;padding:0 8px;color:var(--ink);font-weight:900;white-space:nowrap;background:rgb(var(--panel-rgb)/.9);border:1.5px solid var(--line-soft);border-radius:6px}.foundation_coulombControlButtons__ehguX .foundation_primaryButton__iu7my{color:white;background:var(--green);border-color:var(--green)}.foundation_coulombControlButtons__ehguX button:disabled{color:rgba(34,39,35,.38);cursor:not-allowed;background:rgb(var(--panel-rgb)/.78);border-color:rgba(207,198,184,.82)}.foundation_coulombDataPanel__Owzyu{grid-area:data;padding:12px}.foundation_coulombDataPanel__Owzyu table{min-width:0;font-size:12px}.foundation_coulombDataPanel__Owzyu td,.foundation_coulombDataPanel__Owzyu th{padding:5px 6px;text-align:center;border:1px solid var(--line-soft)}.foundation_coulombDataPanel__Owzyu th{color:var(--muted-ink);background:var(--paper-deep)}.foundation_coulombDataPanel__Owzyu tbody tr:last-child td{color:var(--green);font-weight:900}.foundation_magneticWorkspace__RyTTs{grid-template-rows:auto minmax(0,1fr);gap:clamp(10px,1.15vh,14px);overflow:hidden;container-name:magnetic-workspace;container-type:inline-size}.foundation_magneticWorkspace__RyTTs .foundation_experimentToolbar__FMSTT{flex-wrap:nowrap}.foundation_magneticBody__M7pJx{display:grid;grid-template-areas:"field field field field field field field observe observe observe observe observe" "field field field field field field field local local local local local" "params params params tools tools data data data data data data data";grid-template-columns:repeat(12,minmax(0,1fr));grid-template-rows:minmax(0,1fr) minmax(132px,.34fr) minmax(188px,.48fr);grid-gap:clamp(10px,1vw,14px);gap:clamp(10px,1vw,14px);height:100%;min-height:0;overflow:hidden}.foundation_magneticDataPanel__WlAzK,.foundation_magneticFieldPanel__s4yUq,.foundation_magneticLocalPanel__U3QxY,.foundation_magneticObservationPanel__jLF5L,.foundation_magneticParamsPanel__Lepm6,.foundation_magneticToolsPanel__adGXq{min-width:0;min-height:0;background:rgb(var(--panel-rgb)/.92);border:1.5px solid var(--line-soft);border-radius:8px}.foundation_magneticFieldPanel__s4yUq{display:grid;grid-area:field;grid-template-rows:auto minmax(0,1fr);grid-gap:8px;gap:8px;padding:14px;overflow:hidden}.foundation_magneticFieldPanelHeader__nkjdi{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0}.foundation_magneticDataPanel__WlAzK h3,.foundation_magneticFieldPanel__s4yUq h3,.foundation_magneticLocalPanel__U3QxY h3,.foundation_magneticObservationPanel__jLF5L h3,.foundation_magneticParamsPanel__Lepm6 h3,.foundation_magneticToolsPanel__adGXq h3{margin:0;font-size:16px}.foundation_magneticFieldSvg__Cfqr1{width:100%;height:100%;min-height:0;cursor:crosshair;touch-action:none}.foundation_magneticViewSwitch__HFntB{display:grid;grid-template-columns:repeat(2,minmax(70px,1fr));min-width:156px;overflow:hidden;border:1.5px solid var(--line-soft);border-radius:6px}.foundation_magneticViewSwitch__HFntB button{min-height:32px;padding:0 10px;color:var(--muted-ink);font-size:12px;font-weight:900;white-space:nowrap;background:rgb(var(--panel-rgb)/.9);border:0;border-right:1px solid var(--line-soft)}.foundation_magneticViewSwitch__HFntB button:last-child{border-right:0}.foundation_magneticViewSwitch__HFntB button[aria-pressed=true]{color:white;background:var(--green);border-color:var(--green)}.foundation_magnetic3DFrame__aFMD9{position:relative;min-width:0;min-height:0;overflow:hidden;background:linear-gradient(180deg,rgb(var(--panel-rgb)/.88),rgba(251,244,232,.78)),repeating-linear-gradient(0deg,rgba(222,214,200,.26) 0 1px,transparent 1px 34px),repeating-linear-gradient(90deg,rgba(222,214,200,.26) 0 1px,transparent 1px 34px);border:1px dashed rgba(207,198,184,.72);border-radius:7px}.foundation_magnetic3DCanvas__KkvHW{display:block;width:100%;height:100%;min-height:0;cursor:-webkit-grab;cursor:grab;touch-action:none}.foundation_magnetic3DCanvas__KkvHW:active{cursor:-webkit-grabbing;cursor:grabbing}.foundation_magnetic3DFallback__A5bXr{position:absolute;inset:auto 16px 16px 16px;display:flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;color:var(--muted-ink);font-size:12px;font-weight:900;text-align:center;background:rgb(var(--panel-rgb)/.94);border:1.5px solid var(--line-soft);border-radius:7px;box-shadow:0 8px 22px rgba(31,26,16,.08)}.foundation_magneticGridLine__DUXSy{stroke:#ded6c8;stroke-dasharray:6 5;stroke-width:1.05}.foundation_magneticAxis__96KIf{stroke:var(--ink);stroke-linecap:round;stroke-width:1.9}.foundation_magneticAxisLabel__WLtN9,.foundation_magneticTickLabel__PVfOF{fill:var(--muted-ink);font-size:12px;font-weight:800}.foundation_magneticAxisLabel__WLtN9,.foundation_magneticLocalVectorLabel__a62mv,.foundation_magneticVectorLabel__P53e4{font-family:var(--font-math);font-style:italic;font-weight:900}.foundation_magneticFieldLine___62tp{fill:none;stroke:#616c69;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.45;opacity:.9}.foundation_magneticFieldArrowhead__KdLy8{fill:var(--ink-stroke);opacity:.86;stroke:none}.foundation_magneticIronFiling__bcU72{stroke:rgba(62,67,63,.55);stroke-linecap:round;stroke-width:1.5}.foundation_magneticBarMagnet__UVhrD rect:first-child{fill:#2d332f;stroke:var(--ink);stroke-width:2.2}.foundation_magneticBarMagnet__UVhrD .foundation_magneticNorthPole__7q3_X,.foundation_magneticUMagnet__SeZyq .foundation_magneticNorthPole__7q3_X{fill:#d94b3d}.foundation_magneticBarMagnet__UVhrD .foundation_magneticSouthPole__qzB4b,.foundation_magneticUMagnet__SeZyq .foundation_magneticSouthPole__qzB4b{fill:var(--green)}.foundation_magneticBarMagnet__UVhrD text,.foundation_magneticUMagnet__SeZyq text{fill:white;font-size:24px;font-weight:900}.foundation_magneticPoleDivider__M_pPF{stroke:var(--ink);stroke-width:2}.foundation_magneticUMagnet__SeZyq path{fill:none;stroke:#98a096;stroke-linecap:square;stroke-linejoin:round;stroke-width:24;filter:drop-shadow(0 2px 0 rgba(21,23,21,.2))}.foundation_magneticUMagnet__SeZyq rect{stroke:var(--ink);stroke-width:2}.foundation_magneticMiniCompass__fcsIQ circle:first-child{fill:rgb(var(--panel-rgb)/.82);stroke:#68706d;stroke-width:1.4}.foundation_magneticMiniCompass__fcsIQ circle:last-child{fill:var(--ink)}.foundation_magneticCompassTail__WjmT1{stroke:#2e3432;stroke-width:3}.foundation_magneticCompassNeedle__Wq4B6{stroke:#df4a3e;stroke-width:3}.foundation_magneticSelectedGuide___zCpQ{stroke:rgba(47,143,85,.52);stroke-dasharray:7 6;stroke-width:1.4}.foundation_magneticSelectedVector__ZWz_z{stroke:var(--green);stroke-linecap:round;stroke-width:4}.foundation_magneticSelectedPoint__BEeW_{fill:var(--green);stroke:#1e6947;stroke-width:2;cursor:-webkit-grab;cursor:grab}.foundation_magneticPointBadge__WvCeh{display:inline-flex;align-items:center;justify-content:center;min-width:104px;min-height:28px;padding:0 8px;color:var(--green);font-weight:900;background:rgb(var(--panel-rgb)/.94);border:1.5px solid var(--green);border-radius:5px}.foundation_magneticLocalVectorLabel__a62mv,.foundation_magneticVectorLabel__P53e4{fill:var(--green);font-size:18px}.foundation_magneticLegend__6YbCq rect{fill:rgb(var(--panel-rgb)/.9);stroke:var(--line-soft)}.foundation_magneticLegend__6YbCq text{fill:var(--muted-ink);font-size:11px;font-weight:900}.foundation_magneticLegendSelected__YX4_k{stroke:var(--green);stroke-width:2.4}.foundation_magneticLegendLine__rZVFw{stroke:#69726f;stroke-width:1.8}.foundation_magneticObservationPanel__jLF5L{display:grid;grid-area:observe;grid-template-rows:auto minmax(0,1fr);grid-gap:8px;gap:8px;padding:14px;overflow:hidden}.foundation_magneticObservationGrid__g3pa5{display:grid;grid-template-columns:minmax(160px,.52fr) minmax(190px,.7fr);grid-gap:14px;gap:14px;align-items:center;min-height:0}.foundation_magneticCompassDial__QHgKp{width:100%;height:100%;min-height:0}.foundation_magneticCompassInner__pGzvO,.foundation_magneticCompassOuter__yaOsb{fill:rgb(var(--panel-rgb)/.82);stroke:#737b77;stroke-width:2}.foundation_magneticCompassInner__pGzvO{stroke-width:1}.foundation_magneticCompassTick__KCdwO{stroke:#9ea39e;stroke-width:1.4}.foundation_magneticCompassNorth__Ngy7j,.foundation_magneticCompassSide__0iYYV,.foundation_magneticCompassSouth__2QG3x{font-size:20px;font-weight:900;text-anchor:middle}.foundation_magneticCompassNorth__Ngy7j{fill:#d94b3d}.foundation_magneticCompassSouth__2QG3x{fill:var(--green)}.foundation_magneticCompassSide__0iYYV{fill:#6f7773;font-size:14px}.foundation_magneticCompassNeedleLargeTail__BAslz,.foundation_magneticCompassNeedleLarge__Syx0K{stroke-linecap:round;stroke-width:12}.foundation_magneticCompassNeedleLarge__Syx0K{stroke:#df4a3e}.foundation_magneticCompassNeedleLargeTail__BAslz{stroke:#202625}.foundation_magneticCompassHub__0coQg{fill:var(--green);opacity:.88}.foundation_magneticObservationValues__uglcm{display:grid;grid-gap:0;gap:0;margin:0;overflow:hidden;border:1px solid var(--line-soft);border-radius:7px}.foundation_magneticObservationValues__uglcm div{display:grid;grid-template-columns:minmax(94px,.72fr) minmax(0,1fr);min-height:42px;border-bottom:1px solid var(--line-soft)}.foundation_magneticObservationValues__uglcm div:last-child{border-bottom:0}.foundation_magneticObservationValues__uglcm dd,.foundation_magneticObservationValues__uglcm dt{display:flex;align-items:center;min-width:0;margin:0;padding:0 10px}.foundation_magneticObservationValues__uglcm dt{color:var(--muted-ink);font-size:12px;font-weight:900}.foundation_magneticObservationValues__uglcm dd{gap:4px;color:var(--green);font-size:15px;font-weight:900;border-left:1px solid var(--line-soft)}.foundation_magneticLocalPanel__U3QxY{display:grid;grid-area:local;grid-template-columns:minmax(190px,.9fr) minmax(240px,1.2fr);overflow:hidden}.foundation_magneticLawText__uQlco{display:grid;place-content:center start;grid-gap:10px;gap:10px;min-width:0;padding:16px;border-right:1px solid var(--line-soft)}.foundation_magneticLawText__uQlco p{margin:0;color:var(--muted-ink);font-weight:900}.foundation_magneticLawText__uQlco .foundation_latexInline__dptyy,.foundation_magneticLawText__uQlco strong{color:var(--green)}.foundation_magneticLocalSketch__RygFu{display:grid;grid-template-rows:auto minmax(0,1fr);grid-gap:4px;gap:4px;min-width:0;padding:14px}.foundation_magneticLocalSketch__RygFu svg{align-self:center;justify-self:center;width:min(100%,300px);height:118px;max-height:100%;min-height:0;overflow:visible}.foundation_magneticLocalFieldLine__UWRf5{fill:none;stroke:#626c68;stroke-linecap:round;stroke-width:1.8}.foundation_magneticLocalPoint__DNExj{fill:var(--green)}.foundation_magneticLocalVector__ISCNQ{stroke:var(--green);stroke-linecap:round;stroke-width:4}.foundation_magneticParamsPanel__Lepm6{grid-area:params;gap:9px;padding:12px;overflow:hidden}.foundation_magneticParamsPanel__Lepm6 label{grid-template-columns:minmax(92px,1fr) 104px 34px;gap:7px}.foundation_magneticParamsPanel__Lepm6 .foundation_numberStepper__CacMF input[type=number]{min-height:32px}.foundation_magneticParamsPanel__Lepm6 .foundation_numberStepper__CacMF button{min-height:16px}.foundation_magneticSegmented__XPz0p{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:hidden;border:1px solid var(--line-soft);border-radius:7px}.foundation_magneticSegmented__XPz0p button{min-height:34px;color:var(--muted-ink);font-weight:900;background:rgb(var(--panel-rgb)/.92);border:0;border-right:1px solid var(--line-soft)}.foundation_magneticSegmented__XPz0p button:last-child{border-right:0}.foundation_magneticSegmented__XPz0p button[aria-pressed=true]{color:white;background:var(--green);border-color:var(--green)}.foundation_magneticDensityControl__xHy7J{display:grid;grid-gap:4px;gap:4px}.foundation_magneticDensityControl__xHy7J>div:first-child,.foundation_magneticDensityLabels__AqMjx{display:flex;justify-content:space-between;gap:8px;color:var(--muted-ink);font-size:11px;font-weight:900}.foundation_magneticDensityControl__xHy7J strong{color:var(--green)}.foundation_magneticDensityControl__xHy7J input[type=range]{width:100%;accent-color:var(--green)}.foundation_magneticToolsPanel__adGXq{display:grid;grid-area:tools;grid-template-rows:auto minmax(0,1fr);grid-gap:8px;gap:8px;padding:12px;overflow:hidden}.foundation_magneticToolButtons__G1_Ro{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:8px;gap:8px;min-height:0}.foundation_magneticToolButtons__G1_Ro button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:40px;padding:0 8px;color:var(--ink);font-weight:900;white-space:nowrap;background:rgb(var(--panel-rgb)/.9);border:1.5px solid var(--line-soft);border-radius:6px}.foundation_magneticToolButtons__G1_Ro button[aria-pressed=true]{color:white;background:var(--green);border-color:var(--green)}.foundation_magneticDataPanel__WlAzK{grid-area:data;padding:12px}.foundation_magneticDataPanel__WlAzK table{min-width:560px;font-size:12px}.foundation_magneticDataPanel__WlAzK td,.foundation_magneticDataPanel__WlAzK th{padding:5px 6px;text-align:center;border:1px solid var(--line-soft)}.foundation_magneticDataPanel__WlAzK th{color:var(--muted-ink);background:var(--paper-deep)}.foundation_magneticSelectedRow__CJGHw td{color:var(--green);font-weight:900}@container magnetic-workspace (max-width: 960px){.foundation_magneticBody__M7pJx{grid-template-areas:"field field field field field field" "observe observe observe local local local" "params params tools tools data data";grid-template-columns:repeat(6,minmax(0,1fr));grid-template-rows:minmax(360px,1.1fr) minmax(150px,.46fr) minmax(198px,.54fr)}.foundation_magneticObservationGrid__g3pa5{grid-template-columns:150px minmax(0,1fr)}.foundation_magneticLocalPanel__U3QxY{grid-template-columns:1fr}.foundation_magneticLawText__uQlco{grid-template-columns:repeat(2,minmax(0,1fr));place-content:center;border-right:0;border-bottom:1px solid var(--line-soft)}}@container magnetic-workspace (max-width: 820px){.foundation_magneticWorkspace__RyTTs{overflow:auto}.foundation_magneticBody__M7pJx{grid-template-areas:"field" "observe" "local" "params" "tools" "data";grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(420px,1fr) minmax(230px,auto) minmax(190px,auto) auto auto minmax(220px,auto);height:auto;overflow:visible}.foundation_magneticObservationGrid__g3pa5{grid-template-columns:1fr}.foundation_magneticParamsPanel__Lepm6 label{grid-template-columns:minmax(0,1fr) 104px 34px}}.foundation_freeFallWorkspace__6JX51{overflow:hidden;align-content:start;container-name:free-fall-workspace;container-type:inline-size;grid-template-rows:auto minmax(0,1fr)}.foundation_freeFallBody__Heloy{display:grid;grid-template-columns:minmax(520px,.92fr) minmax(720px,1.28fr);align-items:stretch;grid-gap:clamp(14px,1.2vw,20px);gap:clamp(14px,1.2vw,20px);height:100%;min-height:0;overflow:hidden}.foundation_freeFallBottomPanels__WiWkx,.foundation_freeFallGraphPanel__YDZLs,.foundation_freeFallPanels__etH6i,.foundation_freeFallScene__fvdri,.foundation_freeFallTopPanels__LmGOW,.foundation_freeFallVisualDataPanels__SXrwS{min-width:0;min-height:0}.foundation_freeFallScene__fvdri{--fall-axis-bottom:68px;--fall-axis-top:82px;position:relative;display:grid;grid-template-columns:58px minmax(0,1fr);grid-gap:6px;gap:6px;height:100%;min-height:0;padding:18px 16px 20px 10px;overflow:hidden;background:var(--apparatus-bg);border:1px dashed var(--line-soft);border-radius:8px}.foundation_heightAxis__ePBN0{position:relative;width:54px;margin:var(--fall-axis-top) 0 var(--fall-axis-bottom);border-right:2px solid var(--ink)}.foundation_heightAxis__ePBN0:after,.foundation_heightAxis__ePBN0:before{position:absolute;right:-6px;width:0;height:0;content:"";border-right:5px solid transparent;border-left:5px solid transparent}.foundation_heightAxis__ePBN0:before{top:-1px;border-bottom:8px solid var(--ink)}.foundation_heightAxis__ePBN0:after{bottom:-1px;border-top:8px solid var(--ink)}.foundation_heightAxisTitle__N44P6{position:absolute;top:-34px;left:4px;color:var(--ink);font-size:13px;font-weight:900;white-space:nowrap}.foundation_heightTick__WgbzI{position:absolute;right:-6px;color:var(--muted-ink);font-size:13px;font-weight:800;transform:translateY(-50%)}.foundation_heightTick__WgbzI i{position:absolute;top:50%;right:0;width:12px;height:2px;background:var(--ink);transform:translateY(-50%)}.foundation_heightTick__WgbzI b{position:absolute;top:50%;right:18px;font-weight:800;transform:translateY(-50%)}.foundation_fallApparatus__Uzowo{--drop-x:clamp(118px,36%,176px);position:relative;height:100%;min-height:0}.foundation_fallBase__F20xe{position:absolute;right:28px;bottom:0;left:12px;height:36px;background:linear-gradient(180deg,var(--apt-steel-mid) 0,var(--apt-steel-lo) 100%);border:2px solid var(--line);box-shadow:0 10px 0 rgba(21,23,21,.2)}.foundation_rulerStand__pMbqh{position:absolute;bottom:36px;left:48px;width:28px;height:calc(100% - 90px);background:repeating-linear-gradient(to bottom,transparent 0 8px,rgba(21,23,21,.3) 8px 10px),linear-gradient(90deg,var(--apt-steel-mid) 0,var(--apt-steel-hi) 48%,var(--apt-steel-lo) 100%);border:3px solid var(--line)}.foundation_rulerTicks__Z2iXE{position:absolute;top:var(--fall-axis-top);bottom:var(--fall-axis-bottom);left:82px;width:8px;height:auto;background:repeating-linear-gradient(to bottom,var(--line) 0 1px,transparent 1px 8px)}.foundation_dropClamp___WHyK{position:absolute;top:-40px;left:-123px;width:74px;height:18px;background:#bfc1bb;border:2px solid var(--line)}.foundation_dropArm__RjDWN{position:absolute;top:-52px;left:-85px;width:96px;height:16px;background:#c9cbc4;border:2px solid var(--line)}.foundation_dropArm__RjDWN:after{position:absolute;top:3px;right:8px;width:6px;height:6px;content:"";border:2px solid var(--line);border-radius:999px}.foundation_dropHead__wUpyc{position:absolute;top:-37px;left:-9px;width:22px;height:36px;background:#8a9287;border:2px solid var(--line)}.foundation_releaseButton__lodX7{position:absolute;top:-44px;left:32px;z-index:2;display:inline-flex;align-items:center;justify-content:center;min-width:72px;min-height:42px;padding:0 18px;color:white;font-weight:900;line-height:1;white-space:nowrap;writing-mode:horizontal-tb;background:var(--green);border:0;border-radius:6px;box-shadow:0 1px 0 rgba(21,23,21,.28)}.foundation_dropPath__tm285{--ball-y:100%;position:absolute;top:var(--fall-axis-top);bottom:var(--fall-axis-bottom);left:var(--drop-x);width:min(340px,calc(100% - var(--drop-x) - 8px));overflow:visible;border-left:1.5px dashed var(--line-soft)}.foundation_releaseAssembly__Sw6LY{position:absolute;top:0;left:0;z-index:3;width:0;height:0;transition:top .15s linear}.foundation_page__GKc4S:-webkit-full-screen::backdrop{background:var(--paper)}.foundation_page__GKc4S:fullscreen::-webkit-backdrop{background:var(--paper)}.foundation_page__GKc4S:fullscreen::backdrop{background:var(--paper)}@supports not (container-type:inline-size){html[data-macos-safari] .foundation_compositionWorkspace__QU5G2,html[data-macos-safari] .foundation_coulombWorkspace__b1EL7,html[data-macos-safari] .foundation_freeFallWorkspace__6JX51,html[data-macos-safari] .foundation_magneticWorkspace__RyTTs,html[data-macos-safari] .foundation_uniformAcceleratedWorkspace__uczlF[data-layout=vertical]{overflow:auto}}.foundation_myCoursePresetRow__Q3hEP{position:relative}.foundation_myCoursePresetRow__Q3hEP:first-child .foundation_experimentLinkActive__WVxML,.foundation_myCoursePresetRow__Q3hEP:first-child .foundation_experimentLinkUnlocked__6vHIW{margin-top:0}.foundation_myCoursePresetRow__Q3hEP>.foundation_experimentLinkActive__WVxML,.foundation_myCoursePresetRow__Q3hEP>.foundation_experimentLinkUnlocked__6vHIW{padding-right:34px}.foundation_myCoursePresetRemove__MhZyP{position:absolute;top:50%;right:7px;display:grid;place-items:center;width:22px;height:22px;padding:0;color:var(--muted-ink);cursor:var(--cursor-pointer);background:transparent;border:0;border-radius:999px;opacity:.45;transform:translateY(-50%);transition:color .15s ease,background-color .15s ease,opacity .15s ease}.foundation_myCoursePresetRemove__MhZyP:focus-visible,.foundation_myCoursePresetRemove__MhZyP:hover{color:var(--green);background:rgb(var(--green-soft-rgb)/.9);opacity:1}