@font-face{font-family:Saira;src:url(/school-modules/fonts/Saira-Bold.ttf);font-style:normal;font-weight:700;font-display:swap}@font-face{font-family:Saira;src:url(/school-modules/fonts/Saira-ExtraBold.ttf);font-style:normal;font-weight:800;font-display:swap}@font-face{font-family:Public Sans;src:url(/school-modules/fonts/PublicSans-Regular.ttf);font-style:normal;font-weight:400;font-display:swap}@font-face{font-family:Public Sans;src:url(/school-modules/fonts/PublicSans-Bold.ttf);font-style:normal;font-weight:700;font-display:swap}@font-face{font-family:Spline Sans Mono;src:url(/school-modules/fonts/SplineSansMono-Regular.ttf);font-style:normal;font-weight:400;font-display:swap}@font-face{font-family:Spline Sans Mono;src:url(/school-modules/fonts/SplineSansMono-SemiBold.ttf);font-style:normal;font-weight:600;font-display:swap}.sm-root{container:school-module / inline-size;height:100%;overflow:auto;background:var(--paper, #f7f7f4);color:var(--ink, #17171b);font:13px/1.5 var(--font-display, "Space Grotesk", sans-serif)}.sm-root *{box-sizing:border-box}.sm-root h1,.sm-root h2,.sm-root h3{font-family:var(--font-display, "Space Grotesk", sans-serif);line-height:1.2;font-weight:600}.sm-root h1{font-size:25px;margin:6px 0}.sm-root h2{font-size:20px}.sm-root h3{font-size:15px}.sm-root button,.sm-root input,.sm-root textarea,.sm-root select{font:inherit;border:1px solid #ded9ce;border-radius:8px;padding:10px 12px;min-height:44px;background:#fff;color:#2e2e34;max-width:100%}.sm-root button{cursor:pointer;overflow-wrap:anywhere}.sm-root button:disabled{opacity:.5;cursor:not-allowed}.sm-root input:not([type=checkbox]):not([type=radio]),.sm-root textarea,.sm-root select{width:100%}.sm-root textarea{resize:vertical}.sm-root input[type=checkbox],.sm-root input[type=radio]{min-height:20px;margin-right:8px;vertical-align:middle;accent-color:#b5683a}.sm-root :focus-visible{outline:3px solid #b5683a;outline-offset:2px}.sm-root button[aria-pressed=true],.sm-root button[aria-current=true]{border-color:#b5683a;background:#f6eee7;color:#8f4f2a}.sm-root fieldset{border:0;min-width:0;padding:0;margin:0}.sm-root legend{font-weight:600;font-size:14px;margin-bottom:12px}.sm-root summary{cursor:pointer;padding:10px 0;min-height:44px}.sm-root .sm-primary{background:#b5683a;color:#fff;border-color:#b5683a}.sm-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 28px;border-bottom:1px solid #ebeae4;background:#fafaf7}.sm-heading-row{display:flex;align-items:center;gap:12px}.sm-eyebrow{font:10px/1.5 var(--font-mono, monospace);text-transform:uppercase;letter-spacing:.12em;color:#71717a;margin:0 0 10px}.sm-actions{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.sm-save{font:11px var(--font-mono, monospace);padding:8px;color:#3f6b4c}.sm-muted{color:#71717a;font-size:12px;line-height:1.6}.sm-field{display:block;margin:14px 0}.sm-field>span{display:block;font-size:11px;font-weight:600;margin-bottom:6px;color:#71717a}.sm-alert{padding:16px 28px;background:#fbede6;border-bottom:1px solid #e9cbb0;color:#8c3c25}.sm-status{padding:6px 28px;font-size:11px;color:#71717a}.sm-library{padding:28px;display:grid;gap:14px}.sm-library-row{display:grid!important;grid-template-columns:minmax(0,1fr) auto auto auto;gap:28px;align-items:center;text-align:left;padding:24px!important;border-radius:12px!important}.sm-library-row h2{margin:0 0 8px}.sm-library-row p{margin:0;color:#71717a}.sm-library-row>span{font:11px var(--font-mono, monospace)}.sm-empty{padding:40px;background:#fff;border:1px solid #ebeae4;border-radius:12px;max-width:900px}.sm-tabs{display:flex;gap:4px;padding:10px 28px;border-bottom:1px solid #ebeae4;flex-wrap:wrap}.sm-tabs button{border-color:transparent;background:transparent}.sm-tabs small{margin-left:7px;font-size:10px}.sm-workspace{padding:24px 28px}.sm-overview{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:24px}.sm-overview>fieldset,.sm-overview>aside{padding:24px;border:1px solid #ebeae4;border-radius:12px;background:#fff}.sm-metrics{display:flex;gap:14px;flex-wrap:wrap}.sm-metrics>div{display:flex;flex-direction:column;padding:14px;border:1px solid #ebeae4;border-radius:8px;flex:1}.sm-metrics strong{font-size:22px}.sm-metrics small{color:#71717a;font-size:10px;margin-top:8px}.sm-part{padding:22px;margin-top:18px;border:1px solid #ebeae4;border-radius:12px;background:#fff}.sm-part-head,.sm-lesson-row{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.sm-part-head>.sm-field:first-child,.sm-lesson-row>.sm-field{flex:1;min-width:180px}.sm-lesson-row{border-top:1px solid #ebeae4;padding:8px 0}.sm-toolbar{padding:12px 20px;display:flex;gap:16px;flex-wrap:wrap;background:#fafaf7;border-bottom:1px solid #ebeae4}.sm-workbench{display:grid;grid-template-columns:230px minmax(320px,1fr) 330px;min-height:650px}.sm-mode-preview,.sm-mode-run{display:block}.sm-tree{padding:16px 12px;border-right:1px solid #ebeae4;background:#fbfaf7}.sm-tree summary{font-weight:600}.sm-tree summary small{font-weight:400;color:#92928e;font-size:10px}.sm-tree button{width:100%;text-align:left;margin-bottom:4px}.sm-tree .sm-lesson-link{background:transparent;border:0;font-weight:600}.sm-tree .sm-activity-link{display:flex;align-items:center;gap:10px;border-color:transparent;font-size:12px}.sm-activity-link small{font:9px var(--font-mono, monospace);color:#9c9ca4;min-width:45px}.sm-adds{display:flex;gap:4px;flex-wrap:wrap;margin-top:15px}.sm-adds button{width:auto;font-size:11px;padding:7px;border-style:dashed}.sm-canvas{padding:18px;background:#eaeaea;min-width:0;overflow:auto}.sm-device{margin:auto;max-width:100%;transition:max-width .15s}.sm-device-phone{width:390px}.sm-device-tablet{width:768px}.sm-device-desktop{width:100%}.sm-right{padding:18px;min-width:0;border-left:1px solid #ebeae4;background:#fff}.sm-validation{padding:10px;border:1px solid #e7c7bc;background:#fbede6;border-radius:8px;font-size:11px}.sm-readout{padding:12px;background:#f9f5ef;border:1px solid #e7d8c8;border-radius:8px}.sm-issue-row{display:block;width:100%;text-align:left;margin:8px 0}.sm-version{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:10px 0;padding:12px;background:#fff;border:1px solid #ebeae4;border-radius:8px}.sm-source{border-bottom:1px solid #ddd;padding:16px 0}.sm-passage{white-space:pre-wrap;overflow-wrap:anywhere}.sm-compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}.sm-compare>div{min-width:0}.sm-compare pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:260px;overflow:auto;background:#fff;padding:12px}.sm-dialog{border:1px solid #ded9ce;border-radius:12px;padding:24px;width:440px;max-width:calc(100vw - 32px);color:#17171b;background:#fff}.sm-dialog::backdrop{background:#17171b77}.sm-mobile-tabs{display:none}.sm-learner{background:#faf7f0;color:#1a1814;position:relative;font:16px/1.5 Public Sans,sans-serif}.sm-learner>header{min-height:56px;padding:8px clamp(12px,3vw,24px);align-items:center;border-bottom:2px solid #1a1814;display:flex;gap:14px;flex-wrap:wrap}.sm-learner>header img{height:20px;width:auto;max-width:100%;display:block}.sm-learner>header span{font:600 10px Spline Sans Mono,monospace;letter-spacing:.08em}.sm-learner main{padding:20px clamp(12px,3vw,24px) 72px;display:flex;flex-direction:column;gap:16px;max-width:900px;margin:auto}.sm-learner h1,.sm-learner h2,.sm-learner h3{font-family:Saira,sans-serif;font-weight:700}.sm-learner h1{font-size:clamp(22px,4.5vw,28px);font-weight:800;line-height:1.2;margin:0;text-wrap:balance}.sm-learner h2{font-size:20px;line-height:1.3;margin:0;text-wrap:pretty}.sm-learner button,.sm-learner input,.sm-learner textarea{font:inherit;border-color:#d6cfbc;border-radius:9px}.sm-learner :focus-visible{outline-color:#1363df}.sm-learner .sm-eyebrow{font-family:Spline Sans Mono,monospace;font-size:11px;color:#57534a;margin:0}.sm-activity-label{background:#1a1814;color:#d6cfbc;padding:14px 16px;border-radius:10px;font:11px/1.6 Spline Sans Mono,monospace;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:0;letter-spacing:.1em;text-transform:uppercase}.sm-learning-card{background:#fff;border:2px solid #1363df;border-radius:12px;padding:clamp(14px,3vw,20px);display:flex;flex-direction:column;gap:14px}.sm-learner .sm-continue{display:block;background:#1363df;color:#fff;margin-top:24px;width:100%}.sm-completed{border:1px solid #cfe6d8;background:#edf5ef;border-radius:10px;padding:12px;margin:10px 0;color:#2e7d52}.sm-locked{background:#3a3732;color:#fff;padding:14px;border-radius:10px;margin:10px 0}.sm-media-gap{border:1px dashed #b8ae9c;background:#f4f0e7;padding:20px;border-radius:10px}.sm-ref-toggle{margin:0 24px 24px}.sm-reference{padding:24px;background:#f4f0e7;border-top:1px solid #d6cfbc}.sm-wheel{border:6px solid #3a3732;border-radius:50%;aspect-ratio:1;width:220px;max-width:100%;margin:20px auto;display:grid;grid-template-columns:1fr 1fr;overflow:hidden}.sm-wheel a{display:grid;place-items:center;border:1px solid #3a3732;background:#fff;color:#1a1814;font:700 36px Saira;text-decoration:none}.sm-wheel a:focus,.sm-wheel a:hover{background:#e8f0fd;color:#1363df}.sm-equation{font-family:Saira,sans-serif;font-weight:600;font-size:1.3em;display:inline-flex;align-items:center;gap:.35em}.sm-fraction{display:inline-flex;flex-direction:column;text-align:center;line-height:1.25}.sm-fraction>span:first-child{border-bottom:1.5px solid currentColor;padding:0 .2em .1em}.sm-fraction>span:last-child{padding:.1em .2em 0}.sm-knowns{display:flex;gap:10px;flex-wrap:wrap}.sm-knowns span{background:#f4f0e7;padding:8px 12px;border-radius:8px;font:13px Spline Sans Mono,monospace}.sm-worked{background:#f4f0e7;border:1px solid #e4decf;padding:16px;border-radius:10px;margin:14px 0}.sm-route{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;margin:12px 0}.sm-route small{font-size:10px}.sm-learner .sm-assessment-field{border:1px solid #e4decf;border-radius:10px;padding:16px;margin:20px 0}.sm-assessment-field label{display:block;margin:8px 0}.sm-assessment-field legend{font:600 15px Public Sans;line-height:1.5}.sm-assessment-field small{color:#71717a;font:10px Spline Sans Mono,monospace}@container school-module (max-width: 1100px){.sm-workbench{grid-template-columns:180px minmax(280px,1fr)}.sm-right{grid-column:1/-1;border-top:1px solid #ebeae4}.sm-mode-preview,.sm-mode-run{display:block}.sm-inspector{max-width:800px}.sm-header{display:block}.sm-header>.sm-actions{margin-top:16px}.sm-library-row{grid-template-columns:1fr 1fr}.sm-library-row>div{grid-column:1/-1}}@container school-module (max-width: 640px){.sm-header,.sm-workspace,.sm-library{padding:16px}.sm-heading-row{align-items:flex-start;flex-wrap:wrap}.sm-heading-row h1{font-size:22px}.sm-overview{display:block}.sm-overview>aside{margin-top:16px}.sm-tabs{padding:8px}.sm-tabs button{flex:1}.sm-workbench{display:block;min-height:0}.sm-mobile-tabs{display:flex;padding:8px;gap:4px}.sm-mobile-tabs button{flex:1}.sm-pane-structure .sm-canvas,.sm-pane-structure .sm-right,.sm-pane-preview .sm-tree,.sm-pane-preview .sm-right,.sm-pane-inspector .sm-tree,.sm-pane-inspector .sm-canvas{display:none}.sm-mode-preview .sm-canvas,.sm-mode-run .sm-canvas{display:block}.sm-canvas{padding:8px}.sm-learner main{padding:16px 12px}.sm-learning-card{padding:16px}.sm-learner>header{padding:14px 12px}.sm-part{padding:14px}.sm-part-head,.sm-lesson-row,.sm-version,.sm-compare{display:block}.sm-alert{padding:14px}.sm-empty{padding:22px}.sm-issue-row{overflow-wrap:anywhere}.sm-learner .sm-route{font-size:14px;flex-wrap:wrap}}@media (prefers-reduced-motion: reduce){.sm-root *{animation:none!important;transition:none!important}}.sm-root-expression{position:relative;display:inline-flex;align-items:stretch;vertical-align:middle;margin:0 .1em 0 .05em;padding-left:.62em}.sm-root-expression>svg{position:absolute;top:0;left:0;display:block;width:.62em;height:100%;overflow:visible}.sm-radicand{border-top:1.5px solid currentColor;padding:.18em .22em .05em .12em;display:inline-flex;align-items:center}.sm-media-settings{min-width:0}.sm-media-settings p,.sm-media-settings small{overflow-wrap:anywhere}.sm-media-preview img,.sm-media-preview video{width:100%;max-height:65vh;object-fit:contain;display:block}.sm-media-preview .eu-media{background:transparent}.sm-learner{-webkit-font-smoothing:antialiased}.sm-learner .sm-passage{margin:0;font-size:17px;line-height:1.75;color:#33302a;max-width:65ch;text-wrap:pretty}.sm-learner>header span{background:#f4f0e7;color:#57534a;padding:3px 7px;border-radius:5px}.sm-learner button{font-family:Public Sans,sans-serif;font-weight:700}.sm-equation-frame{border:1px solid #e4decf;border-radius:10px;background:#fff;overflow:hidden}.sm-equation-frame>header{padding:9px 14px;border-bottom:1px solid #e4decf;font:600 10.5px/1.2 Spline Sans Mono,monospace;letter-spacing:.08em;color:#57534a;text-transform:uppercase}.sm-equation-frame>div{padding:18px 16px 14px;text-align:center;font-size:27.2px;overflow-x:auto}.sm-equation-frame .sm-equation{font-size:inherit}.sm-equation-frame>div+div{padding-top:0;font-size:16px;color:#57534a}.sm-circuit-bench{background:#fff;border:1px solid #e4decf;border-radius:14px;overflow:clip}.sm-circuit-surface{background:#faf7f0;padding:8px 4px}.sm-circuit{width:100%;height:auto;display:block;overflow:visible}.sm-circuit-polarity{font:700 28px Saira,sans-serif;fill:#1a1814}.sm-circuit-value{font:700 26px Saira,sans-serif;fill:#1a1814}.sm-circuit-placeholder{font:400 16px Spline Sans Mono,monospace;fill:#1363df}.sm-circuit-flow-label{font:400 18px Spline Sans Mono,monospace;fill:#57534a}.sm-circuit-flow{animation:sm-electron-loop .8s linear infinite}@keyframes sm-electron-loop{to{stroke-dashoffset:-16}}@media (prefers-reduced-motion: reduce){.sm-circuit-flow{animation:none}}.sm-circuit-readings{padding:10px 14px 12px;border-top:1px solid #e4decf;display:flex;flex-direction:column;gap:8px}.sm-circuit-readings>header{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap}.sm-circuit-readings h3{margin:0;font:700 16px Saira,sans-serif}.sm-circuit-readings header span{font:600 10px Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#57534a}.sm-circuit-readings dl{margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.sm-circuit-readings dl>div{background:#faf7f0;border-radius:8px;padding:8px 6px;display:flex;flex-direction:column;gap:2px;align-items:center;text-align:center;min-width:0}.sm-circuit-readings dt{font:400 clamp(9px,2vw,11px) "Spline Sans Mono",monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a;white-space:nowrap}.sm-circuit-readings dd{margin:0;font:700 clamp(16px,3.5vw,20px)/1.2 "Saira",sans-serif}.sm-circuit-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;padding:10px 14px;border-bottom:1px solid #e4decf}.sm-circuit-toolbar>div:first-child{font:400 13px Spline Sans Mono,monospace}.sm-circuit-toolbar>div:last-child{display:flex;gap:6px}.sm-learner .sm-circuit-toolbar button{min-height:40px;padding:0 12px;border-radius:8px;border:1px solid #d6cfbc;background:#fff;color:#1a1814;font-size:13px}.sm-circuit-message{padding:10px 14px;font-size:14px;color:#57534a;border-top:1px solid #e4decf;line-height:1.5}.sm-circuit-tray{padding:12px 14px 14px;border-top:1px solid #e4decf;display:flex;flex-direction:column;gap:10px}.sm-circuit-tray header{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.sm-circuit-tray header span{font:400 11px Spline Sans Mono,monospace;letter-spacing:.12em;text-transform:uppercase;color:#57534a}.sm-circuit-tray small{font-size:12px;color:#8a857a}.sm-circuit-tray>div{display:flex;flex-wrap:wrap;gap:8px}.sm-learner .sm-circuit-tray button{width:88px;min-height:44px;border-radius:10px;border:2px solid #e4decf;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px;color:#1a1814}.sm-learner .sm-circuit-tray button[aria-pressed=true]{border-color:#1363df}.sm-circuit-tray strong{font:700 12px Public Sans,sans-serif}.sm-circuit-tray button span{font:400 11px Spline Sans Mono,monospace;color:#57534a}.sm-circuit-slots{position:relative;width:100%;aspect-ratio:880/580;touch-action:none}.sm-circuit-slots>.sm-circuit{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}:is(.sm-root,.sm-learner) .sm-circuit-slot{position:absolute;padding:0;min-height:44px;border:2px dashed #b3aba0;border-radius:12px;background:transparent;display:flex;align-items:center;justify-content:center;outline-offset:2px;transition:border-color .15s,background .15s}:is(.sm-root,.sm-learner) .sm-circuit-slot[data-filled=true]{border-color:transparent}:is(.sm-root,.sm-learner) .sm-circuit-slot[data-fits=true]{border-color:#1363df;background:#1363df0f}.sm-circuit-slot>span{font:400 clamp(8px,1.3vw,11px) "Spline Sans Mono",monospace;letter-spacing:.1em;text-transform:uppercase;color:#8a857a;pointer-events:none}.sm-circuit-slot[data-filled=true]>span{visibility:hidden}:is(.sm-root,.sm-learner) .sm-circuit-slot[data-circuit-slot=switch]{align-items:flex-start}.sm-circuit-slot[data-circuit-slot=switch]>span{margin-top:4px}.sm-learner .sm-circuit-tray button{gap:3px;padding:8px 4px;touch-action:none;user-select:none;-webkit-user-select:none;justify-content:flex-start}.sm-learner .sm-circuit-tray button[aria-pressed=true]{box-shadow:0 0 0 3px #1363df26}.sm-part-icon{width:52px;height:52px;display:block;flex:none;pointer-events:none}.sm-circuit-tray strong{line-height:1.25;pointer-events:none}.sm-circuit-tray button>span{pointer-events:none}.sm-part-drag{position:fixed;pointer-events:none;z-index:10000;padding:6px;background:#fff;border:2px solid #1363df;border-radius:10px}.sm-circuit-readings dd{white-space:nowrap}.sm-motion-note{position:absolute;top:100%;margin:0;font-size:13px;line-height:1.5;color:#57534a}.sm-circuit-slots:has(.sm-motion-note){margin-bottom:54px}.sm-formula-wheel{width:100%;max-width:300px;display:block;overflow:visible;margin:0 auto 16px}.sm-canvas:has(.sm-lab-lesson){overflow:visible}.sm-learning-card:has(.sm-lab-lesson){border:0;padding:0;background:transparent}.sm-lab-lesson{container:lab-lesson / inline-size}.sm-lab-heading{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-bottom:18px}.sm-lab-heading h2{flex:1 1 100%;margin:0}.sm-lab-heading progress{width:180px;height:6px;accent-color:#1363df}.sm-lab-heading small{flex-basis:100%;color:#57534a}.sm-lab-layout{display:flex;flex-direction:column;gap:18px;align-items:stretch}.sm-lab-bench-column{min-width:0}.sm-lab-bench-column[data-needed=false]{display:none}.sm-lab-bench-wrap{position:relative}.sm-lab-lock{display:none;position:absolute;top:0;right:0;bottom:0;left:0;background:#faf7f0b8;align-items:center;justify-content:center;border-radius:14px}.sm-lab-lock span{padding:10px 16px;background:#1a1814;color:#fff;border-radius:30px}.sm-lab-stream{min-width:0;display:flex;flex-direction:column;gap:10px}.sm-lab-task{background:#1a1814;color:#fff;border-radius:10px;padding:14px 16px;margin:8px 0 10px}.sm-lab-task[data-locked=true]{background:#3a3732;color:#b8b2a6}.sm-lab-task small,.sm-lab-step-label{font:600 10px Spline Sans Mono,monospace;text-transform:uppercase;letter-spacing:.08em}.sm-lab-task small{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between}.sm-lab-task h3{font:700 20px Saira,sans-serif;margin:8px 0}.sm-lab-task p{margin:0;font-weight:700}.sm-lab-step{border:2px solid #1363df;border-radius:12px;padding:clamp(14px,3vw,20px);background:#fff;display:flex;flex-direction:column;gap:14px;margin-bottom:10px}.sm-lab-step h3{font:700 18px Saira,sans-serif;margin:0;scroll-margin-top:90px}.sm-lab-step p{margin:0;line-height:1.55}.sm-lab-step-label{color:#1363df;display:flex;justify-content:space-between;gap:10px}.sm-lab-step label{display:flex;flex-direction:column;gap:6px;font-weight:700}.sm-lab-step input{min-height:48px;max-width:20rem;width:100%}.sm-lab-step button{min-height:48px}.sm-lab-prediction{padding:10px;background:#f4f0e7;border-radius:8px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px}.sm-lab-result,.sm-lab-notebook article{padding:14px;border:1px solid #e4decf;border-left:4px solid #b45309;border-radius:8px;background:#fff}.sm-lab-result[data-hit=true],.sm-lab-notebook article[data-hit=true]{border-left-color:#2e7d52}.sm-lab-result p{margin-top:8px}.sm-lab-completed{border:1px solid #e4decf;border-radius:8px;background:#fff;margin-bottom:10px;padding:0 12px}.sm-lab-completed summary{padding:10px 0;min-height:44px}.sm-lab-notebook{margin-top:12px}.sm-lab-notebook summary{min-height:44px;padding:10px}.sm-lab-notebook article{margin-bottom:8px}.sm-lab-notebook p{margin:6px 0}.sm-lab-table{overflow:auto;max-width:100%}.sm-lab-table table{border-collapse:collapse;width:100%;font-size:14px}.sm-lab-table th,.sm-lab-table td{padding:8px;text-align:left;border-bottom:1px solid #e4decf}.sm-lab-table caption{text-align:left;font-weight:700}.sm-lab-option{text-align:left}.sm-lab-editor details{padding:10px 0;border-bottom:1px solid #e4decf}.sm-lab-editor fieldset{min-width:0;padding:10px;margin:10px 0}@container lab-lesson (min-width: 1024px){.sm-lab-layout{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:12px 28px;align-items:start}.sm-lab-bench-column,.sm-lab-bench-column[data-needed=false]{display:block;position:sticky;top:72px}.sm-lab-lock{display:flex}}.sm-learner main:has(.sm-lab-lesson){max-width:1280px}@container lab-lesson (min-width: 1024px){.sm-lab-bench-column{max-height:calc(100dvh - 90px);overflow-y:auto}}.sm-practice{display:flex;flex-direction:column;gap:16px}.sm-practice p{margin:0;line-height:1.55}.sm-practice-tags{display:flex;flex-wrap:wrap;gap:8px}.sm-practice-tags span{font:600 .6875rem Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#0f4fbf;background:#e8f0fc;border-radius:4px;padding:4px 8px}.sm-practice-prompt{font-size:1.125rem;font-weight:700}.sm-known-cards{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,8rem),1fr));gap:8px}.sm-known-cards>div{background:#f4f0e7;border:1px solid #e4decf;border-radius:6px;padding:8px 12px}.sm-known-cards dt{font:600 .625rem Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#57534a}.sm-known-cards dd{margin:0;font:700 1.125rem Saira,sans-serif}.sm-known-cards>.sm-find-card{border:1.5px dashed #1363df;background:#fff}.sm-find-card dt{color:#1363df}.sm-method{border:1px solid #bbd4f7;border-radius:4px;overflow:hidden;background:#fff}.sm-method>header{background:#0f4fbf;color:#fff;padding:8px 14px;display:flex;justify-content:space-between;gap:8px;font:600 .6875rem/1.3 Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase}.sm-method>div{padding:14px 16px;display:flex;flex-direction:column;gap:12px}.sm-method ol{margin:0;display:flex;flex-direction:column;gap:14px;padding-left:24px}.sm-method li::marker{color:#0f4fbf;font-weight:700}.sm-method li>.sm-equation{display:flex;margin-top:10px}.sm-answer-row{display:flex;flex-wrap:wrap;gap:8px;align-items:stretch}.sm-answer-row>div{display:flex;border:1.5px solid #1a1814;border-radius:6px;overflow:hidden;max-width:15rem}.sm-answer-row input{min-height:52px;min-width:0;border:0!important;border-radius:0!important;font:600 1.25rem Spline Sans Mono,monospace!important;padding:0 14px!important;width:100%}.sm-answer-row span{display:flex;align-items:center;padding:0 14px;border-left:1px solid #e4decf;background:#f4f0e7;font:600 1.125rem Spline Sans Mono,monospace}.sm-answer-row button{min-height:52px!important;min-width:56px;border:0!important;border-radius:0!important}.sm-answer-row button[aria-pressed=true]{background:#1a1814;color:#fff}.sm-practice>button{align-self:flex-start;min-height:48px}.sm-check{border:2px solid #1a1814!important;font-size:1rem!important}.sm-answer-feedback,.sm-exhausted{background:#fbeee3;border:1px solid #e9cbb0;border-radius:8px;padding:12px 14px;line-height:1.55}.sm-answer-feedback small{font-family:Spline Sans Mono,monospace;color:#b45309}.sm-answer-success{border-left:3px solid #2e7d52;background:#edf5ef;padding:10px 14px;line-height:1.6}.sm-exhausted{background:#f4f0e7;border-color:#e4decf}.sm-learner{position:relative}.sm-learner>.sm-lesson-header{display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding:16px 24px}.sm-lesson-header>small{flex-basis:100%;font-family:Spline Sans Mono,monospace}.sm-lesson-header progress{max-width:120px;accent-color:#1363df;margin-left:auto}.sm-lesson-layout{display:flex;align-items:flex-start}.sm-lesson-layout>main{min-width:0;flex:1;padding:24px}.sm-lesson-outline{display:none;flex:0 0 220px;padding:20px 12px;position:sticky;top:0}.sm-lesson-outline[data-open=true]{display:block}.sm-lesson-outline button{display:flex;width:100%;gap:10px;text-align:left;margin-bottom:6px;font-size:.8125rem!important}.sm-lesson-outline button[aria-current=step]{border-color:#1363df;color:#1363df;background:#e8f0fc}.sm-completed>div:first-child{display:flex;justify-content:space-between;align-items:center;gap:12px}.sm-completed .sm-learning-card{margin-top:12px;color:#1a1814}.sm-back-task{position:sticky;bottom:16px;background:#1363df!important;color:#fff;box-shadow:0 3px 16px #0003}.sm-bulb-tab{position:sticky;float:right;bottom:40%;width:44px;height:104px!important;min-height:104px!important;border:0!important;border-radius:0!important;padding:0 0 0 4px!important;background:#1a1814!important;color:#fff;clip-path:path("M44,0 L44,104 L6,91.4 Q0,89.4 0,83.4 L0,20.6 Q0,14.6 6,12.6 Z");display:flex;align-items:center;justify-content:center}.sm-reference-drawer{position:fixed;inset:0 0 0 auto;margin:0;width:min(400px,calc(100vw - 44px));height:100dvh;max-height:100dvh;max-width:none;box-sizing:border-box;border:0;border-left:1px solid #d6cfbc;background:#fff;padding:24px;overflow:auto;color:#1a1814;font-family:Public Sans,sans-serif}.sm-reference-drawer::backdrop{background:#1a181466}.sm-reference-drawer header{display:flex;align-items:center;justify-content:space-between;gap:12px}.sm-reference-drawer h2,.sm-reference-drawer h3{font-family:Saira,sans-serif}.sm-reference-drawer button{min-width:44px;min-height:44px;background:#fff;border:1px solid #d6cfbc;border-radius:6px}.sm-reference-drawer .sm-equation{font-family:Saira,sans-serif}.sm-case-map{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.sm-case-map button{min-width:44px;min-height:44px}.sm-case-map button[data-answered=true]{color:#1363df;background:#e8f0fc}.sm-case-map button[data-marked=true]{background:#fff4d4;color:#865e11}.sm-case-map button[aria-current=step]{outline:2px solid #1a1814;outline-offset:2px}.sm-case-title,.sm-assessment-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.sm-case-review{padding:16px 0;border-bottom:1px solid #e4decf}.sm-attempt-history{margin-top:24px}.sm-attempt-history button{display:block;margin:8px 0}.sm-assessment-field label{min-height:44px}.sm-assessment-field input[type=radio]{width:20px;height:20px;margin-right:12px}.sm-learner button{touch-action:manipulation}.sm-learner :focus-visible{outline:3px solid #1363df;outline-offset:3px}@container (min-width:1024px){.sm-lesson-outline{display:block}}@container (max-width:700px){.sm-lesson-layout{display:block}.sm-lesson-outline{position:static}.sm-lesson-layout>main{padding:20px 16px}.sm-learner>.sm-lesson-header{padding:12px 16px}.sm-lesson-header>span{font-size:.6rem}}@media (prefers-reduced-motion:reduce){.sm-learner *{scroll-behavior:auto!important}}.sm-quantity-buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:20px 0}.sm-quantity-buttons button{min-height:64px;display:flex;flex-direction:column;align-items:center}.sm-quantity-buttons strong{font:800 1.6rem Saira,sans-serif}.sm-quantity-buttons small{font:600 .625rem Spline Sans Mono,monospace}.sm-quantity-buttons button[aria-pressed=true],.sm-route[aria-pressed=true]{border:2px solid #1363df;background:#e8f0fc}.sm-wheel-planning{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:24px}.sm-route-verdict{border-left:3px solid #1363df;background:#e8f0fc;padding:16px;margin:20px 0}.sm-route-planner>section{padding:24px 0;border-top:1px solid #e4decf}.sm-held-fixed{display:block;background:#f4f0e7;padding:12px;margin:20px 0}.sm-prediction-bars{display:grid;gap:24px;margin:24px 0}.sm-prediction-bars>div>div{background:#f4f0e7;margin-top:6px}.sm-prediction-bars span{display:block;min-width:140px;background:#e8f0fc;border-left:3px solid #1363df;box-sizing:border-box;padding:8px;color:#0f4fbf;font:600 .8rem Spline Sans Mono,monospace}.sm-formula-wheel [role=button]{cursor:pointer}.sm-formula-wheel [role=button]:focus-visible{outline:3px solid #1363df}@container (max-width:700px){.sm-wheel-planning{grid-template-columns:1fr}.sm-wheel-planning .sm-formula-wheel{max-width:320px;justify-self:center}}.sm-source-compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}.sm-source-compare section{min-width:0;background:#fff;padding:16px;border:1px solid #ded9cf}.sm-source small{overflow-wrap:anywhere}.sm-source>summary{padding:12px 0;cursor:pointer}.sm-right fieldset>label:has(input[type=checkbox]){display:flex;align-items:flex-start;gap:8px;margin:10px 0}.sm-right fieldset input[type=checkbox]{width:18px;flex-shrink:0}@media (max-width:640px){.sm-source-compare{grid-template-columns:1fr}}.sm-reading{display:flex;flex-direction:column;gap:18px}.sm-reading .sm-passage{font-size:1.0625rem;line-height:1.75;color:#33302a;max-width:65ch}.sm-reading .sm-passage p{margin:0 0 16px}.sm-equation-specimen{border:1px solid #e4decf;border-radius:10px;background:#fff;overflow:hidden}.sm-equation-specimen>header{display:flex;justify-content:space-between;gap:8px;padding:9px 14px;border-bottom:1px solid #e4decf;font:600 .65625rem/1.2 Spline Sans Mono,monospace;letter-spacing:.08em;color:#57534a;text-transform:uppercase}.sm-main-equation{padding:18px 16px 8px;text-align:center;font-size:1.7rem;overflow-x:auto}.sm-related-equations{display:flex;flex-wrap:wrap;gap:6px 28px;justify-content:center;align-items:center;padding:0 16px 14px;color:#57534a}.sm-equation-specimen dl,.sm-reading-figure dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,7rem),1fr));gap:1px;background:#e4decf;border-top:1px solid #e4decf;margin:0}.sm-equation-specimen dl>div,.sm-reading-figure dl>div{padding:10px 12px;background:#fff}.sm-equation-specimen dt{font-family:Spline Sans Mono,monospace;font-weight:700;display:inline}.sm-equation-specimen dd{font-size:.8125rem;display:inline;margin-left:8px;color:#57534a}.sm-reading-figure{margin:0}.sm-reading-figure>div{border:1px solid #e4decf;border-radius:10px;overflow:hidden;background:#fff}.sm-reading-figure .sm-media-preview{padding:12px 8px;max-width:520px;margin:auto}.sm-reading-figure img{border:0;border-radius:0}.sm-reading-figure dt{font:600 .6875rem/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a}.sm-reading-figure dd{margin:0;font:700 1.125rem Saira,sans-serif;color:#1363df}.sm-reading-figure figcaption{margin-top:10px;font-size:.875rem;line-height:1.5;color:#57534a}.sm-vocabulary details{border-bottom:1px solid #e4decf;padding:12px 0}.sm-vocabulary summary{cursor:pointer;min-height:32px;font-weight:700}.sm-lesson-library{width:min(1000px,90vw);max-width:1000px}.sm-lesson-library header{display:flex;justify-content:space-between;align-items:center}.sm-library-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px}.sm-library-candidate{display:flex;flex-direction:column;gap:8px;width:100%;padding:16px;margin-bottom:10px;text-align:left;background:#fff;border:1px solid #ddd7cc;border-radius:8px}.sm-library-candidate[aria-pressed=true]{border-color:#a57046;background:#faf4ed}.sm-lesson-library button{min-height:44px}.sm-assessment-schematic{display:block;width:100%;max-width:520px;margin:20px auto}.eu-video-actions{display:flex;gap:8px;flex-wrap:wrap}@media (max-width:640px){.sm-library-layout{grid-template-columns:1fr}}.sm-editor-open>.sm-header{padding:12px 20px;gap:16px;align-items:center}.sm-editor-open>.sm-header .sm-eyebrow,.sm-editor-open>.sm-header .sm-heading-row{display:none}.sm-editor-open>.sm-header .sm-muted{font-size:13px;color:#57534a;margin:0}.sm-editor-open>.sm-header>.sm-actions{flex-shrink:0}.sm-editor-open>.sm-header>.sm-actions button{min-height:36px;padding:7px 10px;font-size:12px}.sm-editor-open .sm-toolbar{padding:8px 20px}.sm-module-cover img{max-height:180px;object-fit:cover}.sm-lesson-row:focus-visible{outline:3px solid #a57046;outline-offset:3px}.sm-planning-context{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:14px 0}.sm-planning-context>span{font:600 .6875rem Spline Sans Mono,monospace;text-transform:uppercase;letter-spacing:.08em}.sm-planning-context button[aria-pressed=true],.sm-quantity-buttons button[aria-pressed=true]{background:#1a1814;color:#fff}.sm-quantity-buttons button{border:2px solid #1a1814}.sm-quantity-buttons button[aria-pressed=true]{outline:2px solid #1363df;outline-offset:0}.sm-wheel-planning>.sm-formula-wheel{order:2}.sm-wheel-planning>div{order:1}.sm-route{display:flex!important;justify-content:space-between;align-items:center;text-align:left!important}.sm-route small{font:600 .625rem Spline Sans Mono,monospace;letter-spacing:.04em;text-transform:uppercase;background:#fbf1e6;color:#a35c26;padding:4px 6px}.sm-route[aria-pressed=true]{border-color:#1363df}.sm-route-planner{padding:14px 16px;border:1px solid #e4decf;border-radius:10px;background:#fff}@container (max-width:700px){.sm-wheel-planning>.sm-formula-wheel{order:2}}.sm-reference-rail{position:absolute;inset:0 0 0 auto;width:44px;pointer-events:none}.sm-reference-rail .sm-bulb-tab{float:none;position:sticky;top:calc(50vh - 52px);bottom:auto;pointer-events:auto}.sm-reference-drawer{pointer-events:auto}.sm-assessment-field select{min-height:52px;font-family:Public Sans,sans-serif}.sm-content-digest{display:block;overflow-wrap:anywhere;max-width:70ch;margin:5px 0;font:11px Spline Sans Mono,monospace}.sm-activity-link[draggable=true],.sm-lesson-row[draggable=true]{cursor:grab}.sm-learner .sm-bulb-tab{color:#fff!important}.sm-learner .sm-lesson-layout>main{max-width:728px;width:100%}.sm-learner.sm-has-lab .sm-lesson-layout>main{max-width:1280px}.sm-mode-preview .sm-learning-card,.sm-mode-run .sm-learning-card{border:1px solid #e4decf;border-radius:10px;padding:28px}.sm-mode-preview .sm-activity-label,.sm-mode-run .sm-activity-label{background:transparent;color:#1363df;padding:0 0 10px;border-radius:0}.sm-learner h2{font-size:1.375rem;line-height:1.25}.sm-learner h1{font-size:clamp(1.75rem,4cqw,2.5rem);line-height:1.12}.sm-learner .sm-actions button[aria-pressed=true]{border-color:#1363df;background:#e8f0fc;color:#1a1814}.sm-grid-bars{display:flex;flex-direction:column;gap:10px;padding:16px 0}.sm-bar-legend{display:flex;gap:16px;flex-wrap:wrap;color:#57534a;font-size:.8125rem}.sm-bar-legend span:before{content:"";display:inline-block;width:14px;height:10px;border-radius:2px;background:#8a857a;margin-right:6px}.sm-bar-legend span+span:before{background:#1363df}.sm-grid-bar-row{display:grid;grid-template-columns:4.5rem minmax(0,1fr);gap:8px;align-items:center}.sm-grid-bar-row>span{display:flex;flex-direction:column;line-height:1.2}.sm-grid-bar-row>span strong{font:700 1rem Saira,sans-serif}.sm-grid-bar-row small{font:600 .5625rem Spline Sans Mono,monospace;color:#57534a;text-transform:uppercase}.sm-grid-bar-row>div{display:flex;flex-direction:column;gap:3px;min-width:0}.sm-grid-bar-row>div>div{display:flex;gap:6px;align-items:center;font:.8125rem Spline Sans Mono,monospace}.sm-grid-bar-row i{display:block;height:14px;min-width:3px;background:#8a857a;border-radius:2px}.sm-grid-bar-row i.sm-after-bar{background:#1363df}.sm-grid-bar-row i.sm-after-bar[data-known=false]{background:transparent;border:1px dashed #b3aba0}.sm-mode-preview .sm-continue,.sm-mode-run .sm-continue{align-self:flex-start;width:auto;min-height:52px;padding:0 22px}@container (max-width:640px){.sm-mode-preview .sm-learning-card,.sm-mode-run .sm-learning-card{padding:18px}.sm-learner .sm-lesson-layout>main{padding:20px 12px}}.sm-experiment{display:flex;flex-direction:column;gap:16px}.sm-experiment-figure{position:relative;max-width:520px;margin:16px auto 20px}.sm-relationship-circuit{display:block;width:100%;overflow:visible}.sm-learner .sm-meter-point{position:absolute;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;border:2px solid #1a1814;background:#fff;padding:0;box-shadow:0 0 0 4px #fff;font:700 1rem Spline Sans Mono,monospace;opacity:1}.sm-learner .sm-meter-point[aria-pressed=true]{background:#1363df;color:#fff;border-color:#1363df}.sm-experiment input[type=range]{padding:0;accent-color:#1363df}.sm-activity-actions{display:flex;flex-wrap:wrap;gap:6px;border:0;margin:0;padding:0}.sm-adds{margin:0;min-width:0}.sm-reference-drawer .sm-actions button[aria-pressed=true]{background:var(--eu-text);color:var(--eu-card)}.sm-learner button.eu-vocab-term{display:inline;min-height:0;padding:1px 5px;border:0;border-bottom:1px solid var(--eu-blue);border-radius:3px;background:var(--eu-blue-soft);font:inherit;color:inherit}.sm-equation>span{display:inline-flex;align-items:center;gap:.35em}.sm-main-equation .sm-equation{font-size:inherit}.sm-learner button.sm-meter-point:disabled{opacity:1}.sm-learner .eu-video-actions{padding:10px;background:#1a1814;color:#fff;border-radius:0 0 8px 8px}.sm-learner .eu-video-actions button{min-width:44px;min-height:44px;padding:0 10px;border:1px solid rgba(250,247,240,.4);border-radius:6px;background:transparent;color:#fff;font:700 .8125rem Public Sans,sans-serif}.sm-learner .eu-video-actions button[aria-pressed=true]{background:#faf7f0;color:#1a1814}.sm-learner video::cue{font-family:Public Sans,sans-serif;font-size:.9375rem;line-height:1.5;color:#fff;background-color:#14130fe0}.sm-assessment{display:flex;flex-direction:column;gap:14px}.sm-assessment p{margin:0;line-height:1.55}.sm-assessment .sm-eyebrow{font:600 .625rem/1.5 Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#57534a}.sm-assessment-overview{background:#fff;border:1px solid #e4decf;border-top:3px solid #1363df;border-radius:10px;padding:clamp(18px,4vw,24px);display:flex;flex-direction:column;gap:14px}.sm-assessment-overview>.sm-eyebrow{color:#1363df}.sm-assessment-overview ul{margin:0;padding-left:1.2em;line-height:1.55}.sm-assessment-facts{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(9rem,1fr));gap:10px}.sm-assessment-facts>div{background:#faf7f0;border-radius:8px;padding:10px 12px}.sm-assessment-facts dt{font:.625rem Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#57534a}.sm-assessment-facts dd{margin:2px 0 0;font:700 1.125rem/1.25 Saira,sans-serif}.sm-assessment-head{font:.6875rem Spline Sans Mono,monospace;color:#57534a}.sm-case-navigation{display:flex;flex-direction:column;gap:8px}.sm-case-map{margin:0;gap:6px}.sm-learner .sm-case-map button{min-width:44px;min-height:44px;padding:0 8px;border-radius:6px;border:1px solid #b3aba0;background:#fff;color:#57534a;font:600 .875rem Spline Sans Mono,monospace}.sm-learner .sm-case-map button[data-answered=true]{background:#1363df;border-color:#1363df;color:#fff}.sm-learner .sm-case-map button[data-marked=true]{background:#e3a72c;border-color:#d18f1c;color:#1a1814}.sm-learner .sm-case-map button[aria-current=step]{outline:0;box-shadow:0 0 0 2px #faf7f0,0 0 0 4px #1a1814}.sm-assessment-question{background:#fff;border:2px solid #1363df;border-radius:12px;padding:clamp(14px,3vw,20px);display:flex;flex-direction:column;gap:14px}.sm-case-title{gap:8px}.sm-case-title>div{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.sm-case-title .sm-eyebrow{color:#1363df}.sm-case-title small{font:.6875rem Spline Sans Mono,monospace;color:#8a857a}.sm-learner .sm-assessment-mark{min-height:40px;padding:0 12px;border:1px solid #b3aba0;border-radius:6px;background:#fff;color:#57534a;font:700 .8125rem Public Sans,sans-serif}.sm-learner .sm-assessment-mark[aria-pressed=true]{background:#fbf1e6;border-color:#e8c9a6;color:#b45309}.sm-assessment h3.sm-assessment-prompt{margin:0;font:700 1.1875rem/1.35 Saira,sans-serif;text-wrap:pretty}.sm-assessment .sm-assessment-schematic{max-width:360px;margin:0 auto}.sm-learner .sm-assessment-field{min-width:0;border:0;border-radius:0;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.sm-learner .sm-assessment-field+.sm-assessment-field{padding-top:12px;border-top:1px solid #f0ebe0}.sm-assessment-field .sm-assessment-field-label{padding:0;margin:0;font:700 .9375rem/1.4 Public Sans,sans-serif}.sm-concept-options{display:flex;flex-wrap:wrap;gap:6px}.sm-learner .sm-concept-options button{min-height:44px;padding:0 12px;border:1px solid #d6cfbc;border-radius:999px;background:#fff;color:#1a1814;font:700 .9375rem Public Sans,sans-serif}.sm-learner .sm-concept-options button[aria-pressed=true]{border:2px solid #1a1814;background:#1a1814;color:#fff}.sm-assessment-givens{display:flex;flex-wrap:wrap;gap:8px}.sm-assessment-givens span{background:#faf7f0;border:1px solid #e4decf;border-radius:999px;padding:5px 12px;font:700 1rem Saira,sans-serif}.sm-assessment-number{display:flex;flex-wrap:wrap;gap:8px;align-items:stretch}.sm-learner .sm-assessment-number input{flex:1 1 9rem;min-width:0;max-width:14rem;min-height:48px;padding:0 12px;border:1px solid #d6cfbc;border-radius:8px;background:#fff;color:#1a1814;font:700 1.25rem Saira,sans-serif}.sm-learner .sm-assessment-number input[aria-invalid=true]{border-color:#bc2d1f}.sm-assessment-units{display:flex;gap:4px}.sm-learner .sm-assessment-units button{min-width:44px;min-height:48px;padding:0 10px;border:1px solid #d6cfbc;border-radius:8px;background:#fff;color:#1a1814;font:700 1.0625rem Saira,sans-serif}.sm-learner .sm-assessment-units button[aria-pressed=true]{border:2px solid #1a1814;background:#1a1814;color:#fff}.sm-assessment-choices{display:flex;flex-direction:column;gap:8px}.sm-learner .sm-assessment-choices button{display:flex;align-items:flex-start;gap:10px;width:100%;text-align:left;min-height:44px;padding:10px 12px;border:1px solid #d6cfbc;border-radius:8px;background:#fff;color:#1a1814;font:.9375rem/1.45 Public Sans,sans-serif}.sm-learner .sm-assessment-choices button[aria-checked=true]{border:2px solid #1a1814;background:#f4f0e7}.sm-choice-dot{box-sizing:border-box;flex:none;width:18px;height:18px;margin-top:3px;border-radius:50%;border:2px solid #8a857a;background:#fff}[aria-checked=true]>.sm-choice-dot{border-color:#1a1814;background:radial-gradient(circle,#1a1814 45%,#fff 50%)}.sm-assessment .sm-assessment-error{font-size:.875rem;font-weight:700;color:#bc2d1f}.sm-assessment .sm-assessment-note{font-size:.8125rem;color:#57534a}.sm-assessment-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.sm-learner .sm-assessment-actions button{min-height:48px;padding:0 16px;border-radius:6px;font:700 .9375rem Public Sans,sans-serif}.sm-learner .sm-assessment-next{background:#1a1814;color:#fff;border:0}.sm-learner .sm-assessment-review-button{margin-left:auto;background:#57534a;color:#fff;border:0;box-shadow:inset 0 -2px #0f4fbf}.sm-learner .sm-assessment-review-button[data-last=true]{background:#1363df}.sm-assessment-review{display:flex;flex-direction:column;gap:14px}.sm-assessment-review h3{margin:0;font:800 clamp(1.375rem,4.5vw,1.75rem)/1.2 Saira,sans-serif}.sm-assessment-review ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.sm-assessment-review li{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;padding:10px 12px;background:#fff;border:1px solid #e4decf;border-radius:8px}.sm-assessment-review li>strong{font:600 .8125rem Spline Sans Mono,monospace;flex:none;width:2.4rem}.sm-review-prompt{flex:1 1 12rem;min-width:0;font-size:.9375rem;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sm-learner .sm-assessment-review li>button{min-height:40px;padding:0 12px;font-size:.8125rem}.sm-case-status{font:600 .625rem Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#8a857a;background:#f4f0e7;border:1px solid #e4decf;border-radius:4px;padding:3px 6px}.sm-case-status[data-state=answered]{color:#1363df;background:#e8f0fd;border-color:#c6d8f7}.sm-case-status[data-state=marked]{color:#b45309;background:#fbf1e6;border-color:#e8c9a6}.sm-case-status[data-state=partial]{color:#b45309;background:#fbeee3;border-color:#f2d9b8}.sm-case-status[data-state=invalid]{color:#bc2d1f;background:#fbeee3;border-color:#f2c9be}.sm-assessment-confirm{background:#fff;border:2px solid #1a1814;border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:12px}.sm-assessment-confirm h4{margin:0;font:700 1.125rem Saira,sans-serif}.sm-assessment-results{background:#1a1814;color:#fff;border-radius:12px;padding:clamp(18px,4vw,26px);display:flex;flex-direction:column;gap:12px}.sm-assessment-results .sm-eyebrow{color:#d6cfbc}.sm-assessment-results h3{margin:0;color:#fff;font:800 clamp(1.5rem,5vw,2rem)/1.15 Saira,sans-serif}.sm-assessment-results .sm-assessment-score{font:800 2rem Saira,sans-serif}.sm-assessment-score small{font:600 1rem Spline Sans Mono,monospace;color:#d6cfbc}.sm-assessment-results button{align-self:flex-start}.sm-assessment-study{background:#fff;border:1px solid #e4decf;border-radius:12px;padding:16px}.sm-assessment-study h3,.sm-submitted-review h3{font:700 1.125rem Saira,sans-serif;margin:0 0 10px}.sm-assessment-study ul{list-style:none;margin:10px 0 0;padding:0}.sm-assessment-study li{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 12px;padding:8px 0;border-top:1px solid #f0ebe0}.sm-assessment-study li span{color:#57534a;font-size:.875rem}.sm-submitted-review{display:flex;flex-direction:column;gap:8px}.sm-submitted-case{background:#fff;border:1px solid #e4decf;border-radius:10px;overflow:hidden}.sm-submitted-case summary{display:flex;align-items:center;gap:10px;padding:10px 12px;cursor:pointer}.sm-submitted-case summary>strong{flex:none;width:2.4rem;font:600 .8125rem Spline Sans Mono,monospace}.sm-submitted-case summary>span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.9375rem}.sm-submitted-case summary>small{font:.75rem Spline Sans Mono,monospace}.sm-submitted-case summary:after{content:"▾";color:#8a857a}.sm-submitted-case[open] summary:after{content:"▴"}.sm-submitted-case>div{border-top:1px solid #e4decf;padding:12px;display:flex;flex-direction:column;gap:10px}.sm-submitted-case article{display:flex;flex-direction:column;gap:3px;padding:8px 10px;border-radius:8px;background:#faf7f0;border-left:3px solid #b45309;font-size:.9375rem}.sm-submitted-case article[data-result=correct]{border-color:#2e7d52}.sm-submitted-case article[data-result=incorrect]{border-color:#bc2d1f}.sm-submitted-case article>div{color:#57534a;font-size:.875rem}.sm-submitted-case article>div>strong{text-transform:uppercase;font:600 .625rem Spline Sans Mono,monospace;margin-left:10px}.sm-learning-card.sm-assessment-frame{border:0;border-radius:0;padding:14px 0;background:transparent}.sm-assessment{width:100%;max-width:760px;margin-inline:auto}.sm-learner .sm-assessment .sm-continue{align-self:flex-start;margin-top:0;width:auto;min-height:52px;padding:0 22px;font:700 1.0625rem Public Sans,sans-serif}.sm-learner{container-type:inline-size}@container (max-width:700px){.sm-lesson-layout{display:block}.sm-lesson-outline{display:none;position:static}.sm-lesson-outline[data-open=true]{display:block}.sm-lesson-layout>main{box-sizing:border-box}}.sm-ohms-reading .sm-three-forms{display:flex;align-items:center;justify-content:space-around;gap:20px;padding:24px 16px;flex-wrap:wrap;font-size:1.5rem}.sm-ohms-reading .sm-worked-example ol{list-style:none}.sm-worked-example li p{margin:0 0 8px}.sm-ohms-reading .sm-reading-figure>div,.sm-experiment .sm-reading-figure>div{border-radius:0;background:#fff}.sm-reading-figure dl>div{border-radius:0!important;background:#fff!important}.sm-figure-label{padding:10px 14px;border-bottom:1px solid #e4decf;font:600 .6875rem Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#57534a}.sm-experiment-prompt{font-size:1.0625rem;line-height:1.65;margin:0}.sm-practice button,.sm-experiment button{font:600 .9375rem Public Sans,sans-serif;min-height:44px;border:1px solid #1a1814;border-radius:5px;background:#fff;color:#1a1814;padding:10px 16px;cursor:pointer;width:fit-content}.sm-practice button:disabled,.sm-experiment button:disabled{opacity:.45;cursor:default}.sm-practice button.sm-check,.sm-experiment button[aria-pressed=true]{background:#1a1814;color:#fff}.sm-practice label,.sm-experiment label{font-weight:700}.sm-experiment input:not([type=range]){display:block;min-height:48px;border:1.5px solid #1a1814;border-radius:5px;padding:8px 12px;max-width:100%;width:230px;box-sizing:border-box;font:600 1.125rem Spline Sans Mono,monospace;margin-top:8px}.sm-resistance-control{display:flex;align-items:center;gap:16px}.sm-resistance-control input{flex:1;min-width:0;width:auto}.sm-resistance-control button{font-size:1.3rem;min-width:44px}.sm-prediction-result{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:#e4decf;border:1px solid #e4decf;margin:0}.sm-prediction-result>div{background:#fff;padding:12px}.sm-prediction-result dt{font:600 .625rem Spline Sans Mono,monospace;text-transform:uppercase}.sm-prediction-result dd{margin:6px 0 0;font-weight:700}.sm-ohm-wheel{display:block;width:100%;max-width:320px;margin:20px auto;fill:none;stroke:#1a1814;stroke-width:4}.sm-ohm-wheel text{fill:#1a1814;stroke:none;font:800 78px Public Sans,sans-serif;text-anchor:middle}.sm-ohm-reference-forms{border:1px solid #e4decf;border-radius:10px;overflow:hidden}.sm-ohm-reference-forms header{background:#f4f0e7;padding:12px 14px;font:600 .625rem Spline Sans Mono,monospace;text-transform:uppercase;justify-content:flex-start;gap:10px}.sm-ohm-reference-forms header strong{font:700 1.125rem Saira,sans-serif}.sm-ohm-reference-forms p{margin:0 14px;padding:12px 0;border-bottom:1px solid #e4decf}.sm-ohm-reference-forms p:last-child{border:0}.sm-recap-points{line-height:1.75;padding-left:24px}.sm-recap-points li{margin:10px 0}.sm-ohms-reading .sm-actions button{min-height:44px;padding:0 16px;border:1.5px solid #0f4fbf;border-radius:6px;background:#fff;color:#0f4fbf;font:700 .9375rem Public Sans,sans-serif;cursor:pointer}.sm-ohms-reading .sm-actions button+button{border:0;text-decoration:underline}.sm-ohms-reading .sm-answer-success{display:flex;flex-direction:column}.sm-worked-example ol:empty{display:none}.sm-related-equations{font-size:1rem}.sm-related-equations .sm-equation{font-size:inherit}.sm-experiment .sm-experiment-prompt{font:700 1.375rem/1.25 Saira,sans-serif;margin:0}.sm-practice .sm-method ol,.sm-worked-example ol{list-style:none;padding-left:0;counter-reset:method}.sm-practice .sm-method li,.sm-worked-example li{counter-increment:method;position:relative;padding-left:30px}.sm-practice .sm-method li:before,.sm-worked-example li:before{content:counter(method);position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;background:#0f4fbf;color:#fff;text-align:center;font:600 11px/20px Spline Sans Mono,monospace}.sm-ohms-reading .sm-passage p:last-child{margin-bottom:0}.sm-quick-check .sm-practice-prompt{font:700 1.375rem/1.25 Saira,sans-serif}.sm-quick-check .sm-known-cards{display:flex;flex-wrap:wrap;gap:8px}.sm-quick-check .sm-known-cards>div{padding:8px 12px}.sm-quick-check .sm-known-cards dt{display:none}.sm-quick-check .sm-known-cards dd{font:600 1rem Spline Sans Mono,monospace}.sm-quick-check .sm-known-cards>.sm-find-card{border-color:#d6cfbc;color:#1a1814}.sm-experiment .sm-reading-figure dl,.sm-ohms-reading .sm-reading-figure dl{grid-template-columns:repeat(3,minmax(0,1fr))}@media (max-width:480px){.sm-ohms-reading .sm-equation-specimen dl{grid-template-columns:1fr}}.sm-watts-reading .sm-passage{font-size:1.0625rem;line-height:1.75;margin-bottom:18px}.sm-watt-forms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:#e4decf}.sm-watt-forms>div{background:#fff;padding:10px 12px;display:flex;flex-direction:column;gap:4px;align-items:center;text-align:center}.sm-watt-forms .sm-equation{font-size:1.25rem}.sm-watt-forms>div>span:last-child{font-size:.8125rem;color:#57534a}.sm-watt-conversion{margin:0;padding:10px 14px;text-align:center;border-top:1px solid #e4decf;color:#57534a}.sm-watts-practice .sm-practice-prompt{font-size:1.125rem;line-height:1.55;font-weight:700}.sm-watts-practice .sm-method ol{list-style:none;padding:0;counter-reset:watt-step}.sm-watts-practice .sm-method li{position:relative;padding-left:30px;counter-increment:watt-step}.sm-watts-practice .sm-method li:before{content:counter(watt-step);position:absolute;left:0;top:.15em;width:20px;height:20px;border-radius:50%;background:#0f4fbf;color:#fff;text-align:center;font:600 11px/20px Spline Sans Mono,monospace}.sm-watts-practice .sm-method button{background:#fff;color:#0f4fbf;border:1.5px solid #0f4fbf}.sm-watts-practice .sm-check{background:#fff;color:#1a1814;border:2px solid #1a1814;align-self:flex-start}.sm-watts-practice .sm-answer-row [role=radiogroup]{display:flex;border:1px solid #1a1814;border-radius:6px;overflow:hidden}.sm-watts-practice .sm-answer-row [role=radio]{border:0;border-radius:0;min-width:56px;background:#fff;color:#1a1814}.sm-watts-practice .sm-answer-row [role=radio][aria-checked=true]{background:#1a1814;color:#fff}@media (max-width:480px){.sm-watt-forms{grid-template-columns:1fr}}.sm-watts-practice .sm-practice-tags[data-support=independent]>span:first-child{background:#1a1814;color:#fff}.sm-watts-practice .sm-answer-success{background:transparent;padding:2px 0 2px 14px}.sm-watts-practice .sm-answer-success small{display:block}.sm-watts-practice .sm-method .sm-answer-success{background:#edf5ef;border:1px solid #cfe6d8;border-radius:4px;padding:10px 12px}.sm-watts-reading .sm-passage{margin:0}.sm-watts-reading .sm-passage p{margin:0;line-height:1.75}.sm-watts-reading .sm-watt-conversion{margin:0;font-weight:700}.sm-learner .sm-watts-practice p{margin:0;line-height:1.55}.sm-practice.sm-watts-practice button.sm-check{background:#fff;color:#1a1814;font-weight:700}.sm-learner .sm-watts-practice .sm-method button{font:700 .9375rem Public Sans,sans-serif}.sm-reference-drawer.sm-watt-reference[open]{display:flex;flex-direction:column;gap:16px;padding:16px 24px 24px;border-left:2px solid #1a1814}.sm-watt-reference>header{flex:none}.sm-watt-reference>header h2{margin:0;font-size:1.25rem;line-height:1.25}.sm-reference-kicker{font:600 .6875rem Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#57534a}.sm-reference-drawer.sm-watt-reference>p{margin:0;font-size:.9375rem;line-height:1.55;color:#33302a}.sm-watt-reference .sm-ohm-wheel{flex:none;max-width:300px;margin:0 auto}.sm-watt-reference .sm-ohm-reference-forms{flex:none}.sm-watt-reference .sm-ohm-reference-forms header{padding:8px 14px}.sm-watt-reference .sm-ohm-reference-forms p{margin:0 14px;padding:8px 0;font-size:1.125rem}.sm-reference-drawer.sm-watt-reference>.sm-watt-conversion{padding:0;border:0;font-size:1rem;font-weight:700}.sm-watt-reference .sm-ohm-reference-forms .sm-equation{font-size:1.125rem;line-height:1.4}.sm-fw-lesson{display:flex;flex-direction:column;gap:16px}.sm-learner .sm-fw-lesson p{margin:0;line-height:1.6}.sm-learner .sm-fw-lesson .sm-fw-intro{font-size:1.0625rem;line-height:1.75;color:#33302a}.sm-fw-frame{border:1px solid #e4decf;border-radius:10px;overflow:hidden;background:#fff}.sm-fw-frame>header{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:9px 14px;border-bottom:1px solid #e4decf;font:600 .65625rem/1.2 Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#57534a}.sm-fw-body{padding:14px 16px;display:flex;flex-direction:column;gap:14px}.sm-fw-context{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.sm-fw-context>span{font:600 .625rem Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#57534a;padding-right:4px}.sm-learner .sm-fw-context button{min-height:44px;padding:0 12px;border:1px solid #1a1814;border-radius:6px;background:#fff;color:#1a1814;font:700 .8125rem Public Sans,sans-serif}.sm-learner .sm-fw-context button[aria-checked=true]{background:#1a1814;color:#fff}.sm-fw-quantities{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.sm-learner .sm-fw-quantities button{min-height:64px;padding:6px 4px;border:2px solid #1a1814;border-radius:8px;background:#fff;color:#1a1814;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}.sm-fw-quantities strong{font:800 1.5rem/1 Saira,sans-serif}.sm-fw-quantities small{font:600 .5625rem Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase}.sm-learner .sm-fw-quantities button[data-find=true]{border-color:#1363df;color:#1363df}.sm-learner .sm-fw-quantities button[aria-checked=true]{background:#1a1814;color:#fff}.sm-fw-columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr));gap:16px;align-items:start}.sm-learner .sm-fw-columns h3{font:700 1rem/1.3 Saira,sans-serif;margin:0 0 8px}.sm-fw-columns ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.sm-learner .sm-fw-columns li>button{width:100%;min-height:60px;padding:8px 12px;border:2px solid #e4decf;border-radius:8px;background:#fff;color:#1a1814;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 10px;text-align:left}.sm-learner .sm-fw-columns li>button[aria-pressed=true]{background:#e8f0fc;border-color:#1363df}.sm-fw-columns .sm-equation{font-size:1.125rem}.sm-fw-columns figure{margin:0;display:flex;flex-direction:column;gap:6px;align-items:center}.sm-fw-columns svg{max-width:300px}.sm-fw-columns figcaption{font-size:.8125rem;line-height:1.45;color:#57534a;text-align:center;max-width:30ch}.sm-fw-lesson small[data-verdict]{font:600 .625rem Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;border-radius:4px;padding:3px 6px;background:#f4f0e7;color:#57534a}.sm-fw-lesson small[data-verdict=direct]{color:#2e7d52;background:#edf5ef}.sm-fw-lesson small[data-verdict=step]{color:#b45309;background:#fbeee3}.sm-fw-verdict{border-left:3px solid #57534a;padding:2px 0 2px 14px;display:flex;flex-direction:column;gap:6px;line-height:1.55}.sm-fw-verdict[data-verdict=direct]{border-color:#2e7d52}.sm-fw-verdict[data-verdict=step]{border-color:#b45309}.sm-fw-verdict>div{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px}.sm-fw-verdict .sm-equation{font-size:1.125rem}.sm-learner .sm-fw-prompt{font-size:.8125rem;color:#57534a;line-height:1.5}.sm-fw-linked{display:flex;flex-direction:column;gap:16px}.sm-fw-linked>section{border-top:1px solid #e4decf;padding-top:24px;display:flex;flex-direction:column;gap:16px}.sm-learner .sm-fw-linked h3{font:700 1.125rem/1.3 Saira,sans-serif;margin:0}.sm-fw-completed{color:#2e7d52}.sm-fw-crosscheck{border-left:3px solid #2e7d52;padding:2px 0 2px 14px;line-height:1.6}.sm-fw-recovery{display:flex;flex-direction:column;gap:12px;align-items:flex-start}.sm-learner .sm-fw-recovery button,.sm-learner .sm-fw-body>button{min-height:48px;padding:0 18px;border:2px solid #1a1814;border-radius:6px;background:#fff;color:#1a1814;font:700 1rem Public Sans,sans-serif;align-self:flex-start}.sm-fw-models{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,12rem),1fr));gap:8px}.sm-learner .sm-fw-models button{min-height:60px;padding:8px 14px;border:2px solid #e4decf;border-radius:8px;background:#fff;color:#1a1814;text-align:left;display:flex;flex-direction:column;gap:3px;font:400 .875rem Public Sans,sans-serif}.sm-fw-models button strong{font-size:1rem}.sm-fw-models button span{color:#57534a}.sm-fw-models button small{align-self:flex-start;padding:3px 7px;border:1px solid #cfe6d8;background:#edf5ef;color:#2e7d52;border-radius:4px}.sm-learner .sm-fw-models button[aria-checked=true]{background:#e8f0fc;border-color:#1363df}.sm-fw-held{background:#1a1814;color:#fff;padding:4px 8px;border-radius:4px;display:flex;align-items:center;gap:6px;font-size:.6875rem}.sm-fw-held b{font:700 .875rem Saira,sans-serif;letter-spacing:0;text-transform:none}.sm-fw-prediction .sm-grid-bars{padding:0}.sm-fw-prediction-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,12rem),1fr));gap:12px}.sm-fw-prediction-fields label{display:flex;flex-direction:column;gap:6px;font-size:.9375rem;font-weight:700}.sm-fw-prediction-fields .sm-answer-row>div{max-width:none;width:100%}.sm-fw-summary{background:#f4f0e7;border:1px solid #e4decf;border-radius:8px;padding:12px 14px}.sm-fw-error{color:#b45309;font-weight:700}.sm-full-reference .sm-reference-group{flex:none;border:1px solid #e4decf;border-radius:8px;overflow:hidden}.sm-reference-group>header{padding:8px 14px;background:#f4f0e7;font:600 .6875rem Spline Sans Mono,monospace;text-transform:uppercase;justify-content:flex-start;gap:10px}.sm-reference-group>header strong{font:800 1.25rem Saira,sans-serif}.sm-full-reference .sm-reference-group p{margin:0 14px;padding:8px 0;font-size:1.125rem}.sm-reference-group p+p{border-top:1px solid #e4decf}.sm-full-reference .sm-formula-wheel{flex:none;max-width:300px;margin:auto}.sm-full-reference .sm-reference-group .sm-equation{font-size:1.125rem}.sm-fw-practice .sm-answer-row[data-error=true]>div{border-color:#b45309}.sm-learner .sm-fw-practice .sm-answer-feedback{display:flex;flex-direction:column;gap:10px}.sm-fw-practice .sm-answer-feedback small{font-weight:600;text-transform:uppercase;letter-spacing:.06em}.sm-fw-practice .sm-answer-row[data-solved=true]>div:first-child{border-color:#2e7d52;background:#edf5ef}.sm-fw-practice .sm-answer-row[data-solved=true] input{background:#edf5ef}.sm-fw-practice .sm-answer-row input[readonly]{background:#f4f0e7}.sm-fw-practice .sm-answer-row[data-solved=true] input[readonly]{background:#edf5ef}.sm-fw-columns .sm-formula-wheel g[role=button]:hover>path,.sm-fw-columns .sm-formula-wheel g[role=button]:focus-visible>path{stroke:#1363df;stroke-width:3}.sm-lab-layout[data-wide=false]{display:block}.sm-lab-layout[data-wide=true]{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;align-items:start}.sm-lab-layout[data-wide=true]>.sm-lab-bench-column{position:sticky;top:calc(var(--school-header-height,58px) + 14px);max-height:calc(100dvh - var(--school-header-height,58px) - 28px);overflow:auto;display:block}.sm-lab-layout[data-wide=true] .sm-lab-lock{display:flex}.sm-lab-title{font:800 1.75rem/1.2 Saira,sans-serif;margin:0 0 4px}.sm-lab-step{scroll-margin-top:calc(var(--school-header-height,58px) + 18px)}.sm-lab-step-label{justify-content:flex-start;gap:10px}.sm-lab-step-label>span{color:var(--eu-text-2);text-transform:none;font-weight:400}.sm-lab-task small{justify-content:flex-start}.sm-lab-task small>span{border:1px solid currentColor;border-radius:4px;padding:3px 5px}.sm-lab-lock{border-radius:10px}.sm-lab-lock span{border-radius:8px;font-weight:700}.sm-lab-record{background:var(--eu-card);border:1px solid var(--eu-border);border-radius:10px;padding:14px;display:flex;flex-direction:column;gap:12px;margin-top:10px}.sm-lab-record p{margin:0;font-size:.875rem;line-height:1.5}.sm-lab-prediction{background:transparent;padding:0;border-radius:0;font-size:.875rem}.sm-lab-lesson .sm-continue{align-self:flex-start;width:auto;margin-top:0;min-height:52px;padding:0 22px}.sm-lab-number>span{display:flex;width:min(100%,320px);border:2px solid var(--eu-border);border-radius:8px;overflow:hidden;background:var(--eu-card)}.sm-learner .sm-lab-number input{margin:0;padding:0 12px;border:0;border-radius:0;min-width:0;width:100%;max-width:none;min-height:48px;font:700 1.25rem Saira,sans-serif;background:transparent}.sm-lab-number b{display:flex;align-items:center;padding:0 14px;background:var(--eu-muted);border-left:1px solid var(--eu-border);font:700 1.125rem Saira,sans-serif}.sm-lab-help{border-top:1px dashed var(--eu-border);padding-top:10px;display:flex;flex-direction:column;gap:12px}.sm-lab-help>div{display:flex;gap:12px;align-items:center;justify-content:space-between}.sm-lab-help small{font:600 .625rem/1.4 Spline Sans Mono,monospace;text-transform:uppercase;letter-spacing:.06em}.sm-lab-help button{min-height:40px}.sm-lab-help section{display:flex;flex-direction:column;gap:8px}.sm-lab-completed summary>span{font:600 .625rem Spline Sans Mono,monospace;text-transform:uppercase;margin-right:10px}.sm-lab-notebook{padding:0 12px;background:var(--eu-card);border:1px solid var(--eu-border);border-radius:10px}.sm-lab-inline-bench{min-width:0;margin:0 -4px}.sm-assessment-overview h2{font:800 clamp(1.6rem,4vw,2rem)/1.2 Saira,sans-serif;margin:0}.sm-assessment-facts{grid-template-columns:repeat(4,minmax(0,1fr))}.sm-assessment-overview ul{list-style:disc}.sm-assessment-head{min-height:24px}.sm-assessment-number input:read-only{background:var(--eu-muted)}@media (max-width:580px){.sm-assessment-facts{grid-template-columns:repeat(2,minmax(0,1fr))}}.sm-circuit-practice{margin:0;border:1px solid var(--eu-border);background:var(--eu-bg);border-radius:0;overflow:hidden}.sm-circuit-practice svg{display:block;width:100%;max-height:400px}.sm-circuit-practice figcaption{font-size:13px;line-height:1.5;padding:12px 16px;background:var(--eu-card);border-top:1px solid var(--eu-border)}.sm-learner :where(.sm-lab-lesson button,.sm-assessment button){border:1px solid var(--eu-border);background:var(--eu-card);padding:10px 16px;min-height:44px;border-radius:6px;font-weight:700}.sm-learner :where(.sm-lab-lesson button,.sm-assessment button):disabled{opacity:.5;cursor:not-allowed}.sm-learner .sm-lab-check{border:2px solid var(--eu-text)}.sm-learner .sm-assessment-results button{background:#fff;color:#1a1814;border:1px solid #d6cfbc}.sm-passage-editor{background:#fff;border:1px solid #ded9ce;border-radius:12px;padding:24px;max-width:840px;margin:auto;color:#1a1814}.sm-passage-editor>fieldset{border:0;padding:0;margin:0;min-width:0}.sm-passage-editor textarea{width:100%;box-sizing:border-box;font:inherit;line-height:1.7;resize:vertical;min-height:120px}.sm-passage-editor .sm-field>input{font-size:1.25rem;font-weight:650}.sm-passage-editor .sm-help{font-size:.875rem;color:#57534a}.sm-definition-editor{border:1px solid #ded9ce;border-radius:8px;padding:16px;margin:16px 0}.sm-definition-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px solid #e4decf;overflow-wrap:anywhere}.sm-definition-row p{margin:5px 0}.sm-passage-editor details{margin-top:20px}.sm-passage-editor summary{cursor:pointer;padding:10px 0;font-weight:600}@media (max-width:640px){.sm-passage-editor{padding:16px}.sm-passage-editor input,.sm-passage-editor textarea{font-size:16px}}.sm-outline-entry{display:flex;align-items:center;border-radius:6px;min-width:0}.sm-outline-entry[data-current=true]{background:#f5e9df}.sm-outline-entry .sm-activity-link{flex:1;min-width:0;margin:0;padding:8px 4px}.sm-outline-entry .sm-activity-link span{overflow-wrap:anywhere}.sm-outline-actions{display:grid;grid-template-columns:repeat(2,24px);flex:none;gap:1px}.sm-tree .sm-outline-actions button{width:24px;height:26px;min-height:26px;margin:0;padding:4px;display:grid;place-items:center;background:transparent;border:0}.sm-outline-actions button:disabled{opacity:.25}.sm-outline-actions button:hover:not(:disabled){background:#e8d4c4}.sm-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.sm-outline-entry .sm-activity-link{flex-direction:column;align-items:flex-start;gap:3px;white-space:normal}.sm-outline-entry .sm-activity-link small{min-width:0}.sm-outline-entry .sm-activity-link span{overflow-wrap:break-word;word-break:normal}.sm-outline-entry{gap:5px;margin-bottom:4px}@container school-module (min-width:641px) and (max-width:1100px){.sm-workbench.sm-mode-edit{grid-template-columns:240px minmax(280px,1fr)}}.lessons-workspace{flex:1;min-width:0;overflow:auto;background:var(--paper);color:var(--ink)}.lessons-workspace *{box-sizing:border-box}.lessons-header{padding:24px 28px 0;border-bottom:1px solid var(--line);background:var(--surface)}.lessons-header h1{font-family:var(--font-display);font-size:28px;line-height:1.2;margin:8px 0;overflow-wrap:anywhere}.lessons-header>p{color:var(--ink-2)}.lessons-eyebrow{font-size:11px;color:var(--ink-2);margin:0 0 8px}.lessons-content{padding:24px 28px;max-width:1600px;margin:0 auto}.lessons-workspace p{line-height:1.6}.lessons-workspace button,.lessons-action{min-height:44px;padding:9px 13px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);cursor:pointer;font:inherit;font-size:13px;text-decoration:none}.lessons-workspace button:focus-visible,.lessons-workspace a:focus-visible,.lessons-workspace input:focus-visible,.lessons-workspace select:focus-visible{outline:2px solid var(--copper);outline-offset:3px}.lessons-workspace a{color:var(--copper-deep)}.lessons-workspace .lessons-title{padding:6px 0;border:0;background:transparent;text-align:left;font-weight:600;font-size:14px;line-height:1.4;overflow-wrap:anywhere}.lessons-workspace .lessons-back{border:0;padding-left:0}.lessons-tabs{display:flex;gap:6px;overflow-x:auto;margin-top:16px}.lessons-tabs button{white-space:nowrap;border:0;border-radius:0;background:transparent;border-bottom:3px solid transparent}.lessons-tabs button[aria-current]{border-bottom-color:var(--copper);color:var(--copper-deep);font-weight:600}.lessons-notice{background:var(--copper-soft);border-radius:8px;padding:10px 12px;font-size:12px;line-height:1.6;margin-bottom:16px}.lessons-tools{display:flex;align-items:flex-end;flex-wrap:wrap;gap:16px}.lessons-tools label{display:grid;gap:7px;font-size:12px;flex:1 1 220px;min-width:0}.lessons-tools input,.lessons-tools select{width:100%;min-width:0;min-height:44px;background:var(--surface);color:var(--ink);font:inherit;font-size:16px;padding:10px 12px;border:1px solid var(--line);border-radius:8px}.lessons-columns,.lessons-row{display:grid;grid-template-columns:2fr 1.5fr .7fr 1fr 1.4fr;gap:18px;align-items:start;padding:16px}.lessons-columns{font-size:11px;color:var(--ink-2)}.lessons-list,.lessons-source-list,.lessons-activities{list-style:none;margin:0;padding:0}.lessons-row{background:var(--surface);border:1px solid var(--line);border-bottom:0}.lessons-row:first-child{border-radius:10px 10px 0 0}.lessons-row:last-child{border-bottom:1px solid var(--line);border-radius:0 0 10px 10px}.lessons-row>div,.lessons-hub>*{min-width:0}.lessons-workspace small{display:block;font-size:11px;color:var(--ink-2);line-height:1.6;overflow-wrap:anywhere}.lessons-mobile-label{display:none}.lessons-chips{display:flex;flex-wrap:wrap;gap:5px}.lessons-chip{background:var(--paper);border:1px solid var(--line);padding:4px 7px;border-radius:5px;font-size:11px;overflow-wrap:anywhere}.lessons-status{font-size:12px;color:var(--sage-deep)}.lessons-status.needs-review{color:var(--gold-deep)}.lessons-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px;min-width:0;overflow-wrap:anywhere}.lessons-card h2{font-size:18px;margin:0 0 12px;font-family:var(--font-display)}.lessons-card .lessons-section-title{margin-top:28px}.lessons-card p{font-size:13px}.lessons-stack{display:grid;gap:16px;align-content:start}.lessons-hub{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(0,1fr);gap:20px}.lessons-package-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:16px;margin-bottom:20px}.lessons-source-list li{padding:12px 0;border-top:1px solid var(--line);display:grid;gap:6px}.lessons-source-list a{padding:10px 0;min-height:44px;font-size:13px}.lessons-activities{display:grid;gap:8px;margin-bottom:18px}.lessons-activities li{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;background:var(--paper);border-radius:8px;padding:12px;font-size:13px}.lessons-action{display:inline-flex;align-items:center}.lessons-card dl{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;font-size:12px}.lessons-card dd{margin:0}.lessons-issues{padding-left:18px;font-size:12px;line-height:1.6}.lessons-issues li{margin-top:8px}.lessons-metric{font-size:32px;font-family:var(--font-display)}.lessons-muted,.lessons-footnote{color:var(--ink-2);font-size:12px}@media (max-width: 1099px){.lessons-columns{display:none}.lessons-list{display:grid;gap:12px}.lessons-row,.lessons-row:first-child,.lessons-row:last-child{grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:10px}.lessons-row>div:first-child,.lessons-row>div:last-child{grid-column:1 / -1}.lessons-mobile-label{display:block;font-size:11px;color:var(--ink-2);margin-bottom:4px}.lessons-hub{grid-template-columns:1fr}}@media (max-width: 600px){.lessons-header{padding:20px 16px 0}.lessons-content{padding:20px 16px}.lessons-header h1{font-size:24px}.lessons-card{padding:18px}.lessons-row,.lessons-row:first-child,.lessons-row:last-child{grid-template-columns:minmax(0,1fr);gap:12px}.lessons-row>div{grid-column:1}}.lessons-savebar,.lessons-placement-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:16px 0}.lessons-savebar strong{margin-right:auto}.lessons-placement-picker{margin-bottom:20px}.lessons-placement-picker button{margin-top:14px}.lessons-placement-list{list-style:none;padding:0;margin:0}.lessons-placement-list>li{padding:16px 0;border-top:1px solid var(--line)}.lessons-placement-actions label{display:grid;gap:6px;font-size:12px;max-width:100%;min-width:0}.lessons-placement-actions select{font-size:16px;min-height:44px;max-width:100%;padding:8px;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:8px}.lessons-placement-list a{display:inline-flex;align-items:center;min-height:44px;font-size:13px}.lessons-workspace button:disabled{opacity:.5;cursor:default}.lessons-hub+.lessons-card{margin-top:20px}@media (max-width:600px){.lessons-placement-actions label{flex-basis:100%}}.lessons-edit-link{display:block;margin:8px 0;font-size:13px}.sm-dialog.lessons-review{max-width:900px;width:calc(100vw - 32px);max-height:90dvh;overflow:auto;color:var(--ink);background:var(--surface);padding:24px;border:1px solid var(--line);border-radius:14px}.lessons-review header,.lessons-review-links{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}.lessons-review label{display:grid;gap:8px;margin:16px 0}.lessons-review input,.lessons-review select{min-width:0;width:100%;font-size:16px;min-height:44px}.lessons-review button,.lessons-review a{min-height:44px;margin:8px 12px 8px 0}.lessons-diff{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}.lessons-diff pre{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.5 var(--font-body)}@media (max-width:600px){.lessons-diff{grid-template-columns:minmax(0,1fr)}}.wb-screen-select{border:0;background:transparent;text-align:left;padding:0;min-width:0;flex:1;color:inherit;font:inherit;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.wb-screen-moves{display:flex;gap:2px;visibility:hidden}.wb-screen-row.selected .wb-screen-moves,.wb-screen-row:focus-within .wb-screen-moves{visibility:visible}.wb-screen-moves button{min-height:26px;min-width:22px}.wb-screen-select:focus-visible,.wb-screen-moves button:focus-visible{outline:2px solid #b5683a;outline-offset:2px}@media (max-width:900px){.wb-editor-panes{flex-direction:column;overflow:auto}.wb-editor-panes>.wb-structure{width:auto!important;max-height:240px;flex:none!important;border-right:0!important;border-bottom:1px solid #ebeae4}.wb-editor-panes>div{width:auto!important;flex:none!important;min-width:0;overflow:visible!important}.wb-editor-panes{min-height:0}.wb-editor-panes input,.wb-editor-panes textarea{max-width:100%;box-sizing:border-box}}.wb-screen-select{font-size:12px}.wb-screen-row.selected .wb-screen-select{font-weight:600}@media (max-width:900px){.wb-editor-bar{padding-block:10px!important;gap:10px!important}.wb-editor-breadcrumb{flex-basis:100%;flex-wrap:wrap}}@media (max-width:900px){.wb-editor-panes>.wb-edit-panel{width:auto!important;flex:none!important;min-width:0;overflow:visible!important}}.copper-prose-toolbar{display:flex;flex-wrap:wrap;gap:4px;margin:0 0 6px}.copper-prose-toolbar button,.copper-prose-math>button,.copper-vocab-floating button{font:600 12px var(--font-body, sans-serif);border:1px solid #ded9ce;background:#fff;color:#28548a;border-radius:6px;padding:7px 9px;cursor:pointer}.copper-prose-toolbar button:disabled,.copper-vocab-floating button:disabled{opacity:.5;cursor:default}.copper-prose-field textarea{width:100%;box-sizing:border-box;min-width:0;font:13px/1.6 var(--font-body,sans-serif);padding:10px;border:1px solid #ded9ce;border-radius:8px;resize:vertical;color:#2e2e34;background:#fff}.copper-prose-math{margin-top:8px;min-width:0}.copper-vocab-floating{position:fixed;z-index:1000;width:480px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 24px);overflow:auto;box-sizing:border-box;padding:14px;background:#fff;color:#2e2e34;border:1px solid #ded9ce;border-radius:12px;box-shadow:0 12px 40px #14100c30;font:13px/1.5 var(--font-body,sans-serif)}.copper-vocab-floating .copper-vocab-editor{padding:0;margin:0;border:0}.copper-vocab-floating header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;gap:12px}.copper-vocab-floating p{margin:8px 0}.copper-vocab-floating .eu-kit{font-size:16px}.copper-vocab-image-controls{margin:10px 0}.copper-vocab-image-controls label{display:block}.copper-vocab-image-controls input{box-sizing:border-box;width:100%;padding:8px;border:1px solid #ded9ce;border-radius:6px;font:inherit}.ce-root{font-family:"IBM Plex Serif",Georgia,serif;color:#221f18;font-size:12px;line-height:1.42;overflow-wrap:anywhere}.ce-root *{box-sizing:border-box}.ce-page{height:897px;break-inside:avoid;break-before:page;display:flow-root}.ce-page:first-child{break-before:auto}.ce-titlebar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 20px;background:#1363df;color:#fff;margin-bottom:6px}.ce-titlebar .ce-eyebrow{font:600 10.5px IBM Plex Mono,monospace;letter-spacing:.14em;color:#dbe6f8;text-transform:uppercase;margin-bottom:5px}.ce-titlebar h1{font:600 30px/1 Space Grotesk,sans-serif;margin:0;color:#fff}.ce-titlebar .ce-numeral{font:700 56px/.8 Space Grotesk,sans-serif}.ce-takeaway-group{display:flex;border:2px solid #1363DF;margin-bottom:6px;align-items:stretch}.ce-section-cell{width:112px;flex:none;background:#eef3fc;border-right:2px solid #1363DF;padding:10px}.ce-section-cell strong{display:block;font:700 22px/1.2 Space Grotesk,sans-serif;color:#1363df;margin-bottom:3px}.ce-section-cell span{font:10px/1.3 "IBM Plex Serif",serif;display:block;color:#4a4438}.ce-takeaway-rows{flex:1;min-width:0;padding:4px 16px}.ce-takeaway{padding:4px 0;display:flex;gap:10px;break-inside:avoid;white-space:pre-wrap;font:12px/1.42 "IBM Plex Serif",serif}.ce-takeaway+.ce-takeaway{border-top:1px solid #cfe0f7}.ce-square{width:7px;height:7px;background:#1363df;flex:none;margin-top:5px}.ce-takeaway strong{font-family:Space Grotesk,sans-serif;font-weight:600;color:#16130e}.ce-review-title{font:600 34px/1 Space Grotesk,sans-serif;color:#16130e;margin:0 0 14px;padding:0 0 10px;border-bottom:2px solid #1363DF}.ce-part{margin:0 0 24px;display:flow-root}.ce-part-head{border-top:2px solid #16130E;padding-top:6px;margin-bottom:12px;break-after:avoid}.ce-part-label{font:600 10px/1.4 IBM Plex Mono,monospace;letter-spacing:.14em;color:#1363df;margin-bottom:3px}.ce-part-name{font:600 15px/1.3 Space Grotesk,sans-serif;color:#16130e}.ce-part-instruction{font:italic 11px/1.4 "IBM Plex Serif",serif;color:#4a4438;margin-left:6px;white-space:pre-wrap}.ce-columns,.ce-matching,.ce-scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;align-items:start}.ce-question{margin-bottom:14px;break-inside:avoid;white-space:pre-wrap}.ce-question[data-kind=core-understanding]{margin-bottom:16px}.ce-question:last-child{margin-bottom:0}.ce-question-head{display:flex;gap:6px;font:12px/1.4 "IBM Plex Serif",serif;color:#221f18}.ce-question-no{font:600 11px/1.5 IBM Plex Mono,monospace;color:#1363df;width:22px;flex:none}.ce-question-text{flex:1;min-width:0}.ce-term{font:600 13px/1.4 Space Grotesk,sans-serif;color:#16130e}.ce-choices{margin:5px 0 0 28px;display:grid;gap:4px}.ce-choice{display:flex;align-items:baseline;gap:7px;font:11.5px/1.4 "IBM Plex Serif",serif}.ce-choice-letter{flex:none;width:15px;height:15px;border:1.25px solid #1363DF;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font:600 8.5px/1 IBM Plex Mono,monospace;color:#1363df}.ce-lines{margin-left:28px}.ce-line{height:26px;border-bottom:1px solid #9a9282}.ce-scenario-title{font:600 14px/1.4 Space Grotesk,sans-serif;color:#16130e}.ce-scenario-panel{margin:6px 0 0 28px;padding:8px 11px;background:#eef3fc;font:11.5px/1.42 "IBM Plex Serif",serif;white-space:pre-wrap}.ce-scenario-prompt{margin:8px 0 0 28px;font:500 12px/1.4 "IBM Plex Serif",serif;white-space:pre-wrap}.ce-scenario-grid{row-gap:28px}.ce-scenario-grid .ce-question{margin-bottom:0}.ce-match-row{min-height:30px;display:flex;align-items:baseline;gap:6px}.ce-match-blank{width:34px;border-bottom:1px solid #16130E;flex:none;height:22px}.ce-definitions{background:#eef3fc;border-top:3px solid #1363DF;padding:10px 14px}.ce-definition{display:flex;gap:7px;margin-bottom:5px;font:11.5px/1.35 "IBM Plex Serif",serif;white-space:pre-wrap}.ce-definition:last-child{margin-bottom:0}.ce-definition b{font:700 12.5px/1.35 Space Grotesk,sans-serif;color:#1363df;width:14px;flex:none}.ce-empty{font:italic 12px "IBM Plex Serif";color:#4a4438}.ce-edit-list{display:grid;gap:10px;margin:12px 0}.ce-edit-item{display:grid;gap:6px;border:1px solid #cfe0f7;padding:10px;background:#fff}.ce-edit-item textarea,.ce-edit-item select{width:100%;font:12px/1.42 "IBM Plex Serif";color:#221f18;padding:6px;border:1px solid #d9d3c7;background:#fff}.ce-edit-actions{display:flex;gap:8px;align-items:center}.ce-edit-actions button,.ce-edit-add{font:600 11px Space Grotesk;color:#1363df;background:#fff;border:1px solid #d9d3c7;border-radius:5px;padding:5px 9px;cursor:pointer}.ce-proof{width:816px;background:#fff;position:relative;box-shadow:0 8px 40px #0002;margin:0 0 24px;min-height:1056px;padding:72px 129.6px 86.4px 96px;box-sizing:border-box}.ce-proof[data-side=left]{padding-left:129.6px;padding-right:96px}.ce-proof-head{position:absolute;top:34px;left:96px;right:129.6px;display:flex;justify-content:space-between;gap:10px;border-bottom:.75px solid #d9d3c7;padding-bottom:6px;font:600 10.67px IBM Plex Mono;letter-spacing:.08em;text-transform:uppercase;color:#4a4438}.ce-proof[data-side=left] .ce-proof-head{left:129.6px;right:96px;flex-direction:row-reverse}.ce-proof-head span:last-child{color:#1363df;flex:none}.ce-review-rail{box-sizing:border-box;position:absolute;top:-12px;bottom:-12px;right:-12px;width:116px;background:#1363df;color:#fff;text-align:center;padding:84px 12px 0 0;pointer-events:none}.ce-review-rail[data-side=left]{left:-12px;right:auto;padding:84px 0 0 12px}.ce-review-rail small{font:10px IBM Plex Mono;letter-spacing:.2em;color:#dbe6f8;display:block}.ce-review-rail strong{font:700 84px/.85 Space Grotesk;display:block;margin-top:6px}.ce-review-rail i{display:block;width:36px;height:3px;background:#fff;margin:20px auto 12px}.ce-review-rail b{font:600 10px IBM Plex Mono;letter-spacing:.2em}.ce-review-footer{position:absolute;bottom:34px;left:96px;font:9.5px IBM Plex Mono;letter-spacing:.08em;text-transform:uppercase;color:#8a8272}.ce-review-footer[data-side=left]{left:auto;right:96px}.ce-proof-folio{position:absolute;bottom:34px;right:129.6px;font:10.67px IBM Plex Mono;color:#8a8272}.ce-proof[data-side=left] .ce-proof-folio{left:129.6px;right:auto}.ce-fit-error{font:14px/1.5 Space Grotesk;padding:16px;color:#a7251b;background:#fff4f1;border:1px solid #a7251b;max-width:816px}.au-opener-sheet{font:16px/normal "IBM Plex Serif",Georgia,serif;color:#221f18;position:relative;width:816px;height:1056px;background:#fff;overflow:visible}.au-opener-band{box-sizing:border-box;position:absolute;inset:0 auto 0 0;width:250px;background:#1363df;padding:86.4px 26px 86.4px 44px;display:flex;flex-direction:column}.au-opener-kicker{font:12px IBM Plex Mono;letter-spacing:.2em;text-transform:uppercase;color:#dbe6f8}.au-opener-numeral{font-family:Space Grotesk;font-weight:700;line-height:.8;letter-spacing:-.05em;color:#fff;margin-top:10px;width:206px;white-space:nowrap}.au-opener-rule{flex:none;width:56px;height:3px;background:#fff;margin:28px 0 26px}.au-opener-label{font:11px IBM Plex Mono;letter-spacing:.14em;text-transform:uppercase;color:#dbe6f8;border-bottom:1px solid #5b8fe6;padding-bottom:7px;margin-bottom:11px}.au-opener-section{padding:5px 0;font-family:"IBM Plex Serif";line-height:1.45;color:#e9e4da;overflow-wrap:anywhere;break-inside:avoid}.au-opener-section>span{font-family:IBM Plex Mono;color:#dbe6f8}.au-opener-labs{margin-top:auto;padding-top:20px}.au-opener-lab{font:600 12.5px/1.45 Space Grotesk;color:#fff;margin-bottom:8px;overflow-wrap:anywhere}.au-opener-main{position:absolute;top:86.4px;bottom:86.4px;left:290px;right:96px}.au-opener-part{font:12px/1.4 IBM Plex Mono;letter-spacing:.2em;text-transform:uppercase;color:#8a8272}.au-opener-title{margin-top:14px}.au-opener-title h1{font:600 1em/1 Space Grotesk;letter-spacing:-.02em;color:#16130e;margin:0;overflow-wrap:anywhere}.au-opener-title-rule{height:2px;background:#16130e;margin:22px 0 20px}.au-opener-intro{font-family:"IBM Plex Serif";line-height:1.55;text-align:justify;margin-bottom:24px}.au-opener-objectives{background:#eef3fc;padding:14px 16px 12px;margin-bottom:22px}.au-opener-objectives li{margin-bottom:4px}.au-opener-chips{display:flex;flex-wrap:wrap;gap:6px}.au-opener-chips>*{font:600 12px/1.4 Space Grotesk;color:#0f4fbf;background:#eef3fc;border:1px solid #1363DF;border-radius:20px;padding:2px 10px;overflow-wrap:anywhere;max-width:100%}.au-opener-sheet[data-side=right] .au-opener-band{left:auto;right:0;padding-left:26px;padding-right:44px}.au-opener-sheet[data-side=right] .au-opener-main{left:96px;right:290px}.au-opener-edit{min-height:1056px;height:auto;display:grid;grid-template-columns:250px 1fr}.au-opener-edit .au-opener-band{position:relative;inset:auto;min-height:1056px}.au-opener-edit .au-opener-main{position:relative;inset:auto;padding:86.4px 96px 86.4px 40px;min-width:0}.au-opener-editor-note{margin-top:18px;font:11px/1.4 IBM Plex Mono;color:#8a8272}.au-section-heading{display:flex;border:2px solid #1363DF;min-height:104px;box-sizing:border-box;margin-bottom:18px;break-inside:avoid;break-after:avoid}.au-section-number{width:112px;flex:none;background:#1363df;color:#fff;display:flex;align-items:center;justify-content:center;font:700 40px/1 Space Grotesk;letter-spacing:-.02em}.au-section-title{flex:1;min-width:0;padding:14px 20px;display:flex;flex-direction:column;justify-content:center;gap:6px}.au-section-kicker{font:600 10.5px/1.4 IBM Plex Mono;letter-spacing:.14em;text-transform:uppercase;color:#1363df}.au-section-title h2{font-family:Space Grotesk;font-weight:600;line-height:1.08;color:#16130e;margin:0;text-wrap:pretty;overflow-wrap:anywhere}.au-opener-band>*{flex-shrink:0}.au-opener-editor-note[data-overflow=true]{color:#b3261e;border-top:2px solid #B3261E;padding-top:10px}.au-opener-edit .au-opener-labs input{width:100%!important;box-sizing:border-box}.au-opener-edit .au-opener-labs>div>div{flex-wrap:wrap}.au-opener-editor-note{box-sizing:border-box;width:816px;max-width:100%;padding:12px 16px;background:#fff;font:13px/1.5 Space Grotesk}.au-opener-editor-note>p,.au-opener-fit-details>p{margin:8px 0}.au-opener-editor-note>ul{padding-left:20px;margin:8px 0}.au-opener-editor-note button,.au-opener-fit-details summary{cursor:pointer;color:#1363df;font:600 12px Space Grotesk}.au-opener-editor-note button{background:#fff;border:1px solid #d9d3c7;border-radius:4px;padding:4px 8px}.au-opener-fit-details summary{margin-top:10px}.au-opener-fit-scroll{max-height:min(60vh,720px);overflow:auto;background:#eee;padding:12px;margin-top:8px}.au-opener-print-limit{position:absolute;z-index:2;top:969.6px;left:44px;right:96px;border-top:2px dashed #B3261E;pointer-events:none}.au-opener-print-limit span{position:absolute;right:0;top:2px;background:#fff;color:#b3261e;font:11px/1.5 Space Grotesk;padding:2px 5px}.au-opener-sheet[data-fit-overflow~=terms] .au-opener-terms,.au-opener-sheet[data-fit-overflow~=intro] .au-opener-intro,.au-opener-sheet[data-fit-overflow~=objectives] .au-opener-objectives,.au-opener-sheet[data-fit-overflow~=title] .au-opener-title,.au-opener-sheet[data-fit-overflow~=part] .au-opener-part,.au-opener-sheet[data-fit-overflow~=sections] .au-opener-sections,.au-opener-sheet[data-fit-overflow~=number] .au-opener-numeral,.au-opener-sheet[data-fit-overflow~=labs] .au-opener-labs{outline:2px solid #B3261E;outline-offset:3px;background-color:#b3261e10}.au-image-layout{container-type:inline-size;margin:12px 0;color:#221f18;font-family:"IBM Plex Serif",Georgia,serif}.au-image-layout-content{display:grid;gap:16px;border-top:1px solid #e4ded2;padding:16px 0;align-items:start}.au-image-layout.image-text .au-image-layout-content{grid-template-columns:144px minmax(0,1fr)}.au-image-layout.image-text.compact .au-image-layout-content{grid-template-columns:96px minmax(0,1fr);padding:12px 0}.au-image-layout.image-pair .au-image-layout-content{grid-template-columns:repeat(2,minmax(0,1fr))}.au-image-slot{position:relative;min-width:0;margin:0}.au-image-frame,.au-image-preview{width:100%;height:min(230px,calc(144px / var(--image-aspect, 1)));display:flex;align-items:flex-end;justify-content:center;box-sizing:border-box}.compact .au-image-frame,.compact .au-image-preview{height:min(154px,calc(96px / var(--image-aspect, 1)))}.image-pair .au-image-frame,.image-pair .au-image-preview{height:240px}.au-image-frame img,.au-image-frame .au-oriented-image{width:100%;height:100%;object-fit:contain;object-position:center bottom}.au-image-placeholder{color:#8a8272;font:10px/1.5 IBM Plex Mono,monospace;padding:12px;align-self:stretch;display:flex;flex-direction:column;justify-content:center;border:1px dashed #d9d3c7;width:100%;box-sizing:border-box;text-align:center;overflow-wrap:anywhere}.au-image-layout figcaption{margin:8px 0 0;font-size:var(--image-caption-size);line-height:1.45;font-style:italic;color:#8a8272;white-space:pre-wrap;overflow-wrap:anywhere}.au-image-number{display:block;font:500 10px/1.5 IBM Plex Mono,monospace;color:#0f4fbf;margin-bottom:3px}.au-image-title{display:block;font:600 var(--image-title-size)/1.35 "Space Grotesk",sans-serif;color:#16130e;margin:0 0 7px;padding:0;width:100%;border:0;background:transparent}.au-image-prose{min-width:0;font-size:var(--image-body-size);line-height:1.7;overflow-wrap:anywhere}.au-image-prose p,.au-image-prose [contenteditable]{text-indent:0;margin:0 0 8px}.au-image-prose p:last-child{margin-bottom:0}.au-image-layout textarea{display:block;resize:none;box-sizing:border-box;width:100%;min-height:24px;padding:0;border:0;background:transparent;color:inherit;font:inherit;line-height:inherit;overflow:hidden}.au-image-select{background:transparent;padding:0;border:0;cursor:pointer;position:relative;z-index:1;opacity:0}.au-image-select:focus-visible,.au-image-select:hover{opacity:1;outline:2px solid #B5683A}.au-image-preview{position:absolute;top:0;pointer-events:none}.au-image-preview button{pointer-events:auto;z-index:2;position:relative}.au-image-tools,.au-image-details{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font:11px/1.5 Space Grotesk,sans-serif;color:#6d4d38}.au-image-tools{padding:8px 0}.au-image-tools button,.au-image-details button,.au-image-placeholder button{border:1px solid #d9d3c7;border-radius:4px;padding:4px 7px;background:#faf8f4;cursor:pointer;color:inherit;font:inherit}.au-image-tools [aria-pressed=true],.au-image-details [aria-pressed=true]{border-color:#b5683a;background:#f1e4d9}.au-image-tools label{display:flex;gap:4px;align-items:center}.au-image-details{padding:10px;background:#f5efe6;border:1px solid #e4ded2;border-radius:4px}.au-image-details label{flex:1;min-width:180px}.au-image-details input{display:block;width:100%;box-sizing:border-box;border:1px solid #d9d3c7;border-radius:3px;padding:6px;background:#faf8f4;font:inherit}.au-print .au-image-layout{container-type:normal;break-inside:avoid}.au-print .au-image-layout-content{break-inside:avoid}.au-print .au-image-title{break-after:avoid}.au-print .au-image-prose{orphans:2;widows:2}.image-text .au-image-frame,.image-text .au-image-preview{align-items:flex-start}.image-text .au-image-frame img,.image-text .au-image-preview img,.image-text .au-oriented-image{object-position:center top!important}@container (max-width:560px){.au-image-layout:not(.au-print .au-image-layout) .au-image-layout-content{grid-template-columns:minmax(0,1fr);gap:20px}.au-image-layout:not(.au-print .au-image-layout) .au-image-frame,.au-image-layout:not(.au-print .au-image-layout) .au-image-preview{height:200px;max-width:200px}.au-image-layout.image-text:not(.au-print .au-image-layout) .au-image-frame,.au-image-layout.image-text:not(.au-print .au-image-layout) .au-image-preview{height:min(200px,calc(200px / var(--image-aspect, 1)))}.au-image-layout:not(.au-print .au-image-layout) .au-image-prose p{text-align:left;-webkit-hyphens:none;hyphens:none}}.ak-reference{font-family:"IBM Plex Serif",Georgia,serif;color:#221f18;font-size:11.5px;overflow-wrap:break-word}.ak-reference a{color:inherit;text-decoration:none}.ak-title>div{font:11px IBM Plex Mono,monospace;color:#1363df;letter-spacing:.14em;text-transform:uppercase}.ak-title h1{font:600 30px/1.06 Space Grotesk,sans-serif;color:#16130e;margin:6px 0 12px}.ak-title p,.ak-empty{font:italic 11.5px/1.45 "IBM Plex Serif",serif;color:#4a4438;margin:0 0 20px}.ak-chapter>h2,.ak-continued-chapter{font:600 15px Space Grotesk,sans-serif;color:#1363df;border-bottom:1.5px solid #16130E;padding-bottom:5px;margin:4px 0 8px;break-after:avoid}.ak-section>h3{font:600 12.5px Space Grotesk,sans-serif;margin:8px 0 5px;break-after:avoid}.ak-section>h3>span{color:#1363df}.ak-two-columns{column-count:2;column-gap:28px;column-rule:1px solid #ece5d7;column-fill:auto}.ak-entry{border-top:1px solid #d9d3c7;padding-top:5px;margin:0 0 8px;break-inside:avoid}.ak-entry-head{display:flex;align-items:baseline;gap:6px;font:600 11px IBM Plex Mono,monospace;color:#1363df;margin-bottom:4px}.ak-letter{display:inline-flex;align-items:center;justify-content:center;min-width:15px;height:15px;border:1.25px solid #1363DF;font:700 10px IBM Plex Mono;color:#0f4fbf;background:#fff}.ak-cue{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:italic 10.5px "IBM Plex Serif";color:#6b6455}.ak-folio{margin-left:auto;white-space:nowrap;font:9.5px IBM Plex Mono;color:#6b6455}.ak-folio>span,.ak-page-number{display:inline-block;min-width:4ch}.ak-answer{font-size:inherit;line-height:1.42;-webkit-hyphens:auto;hyphens:auto;overflow-wrap:anywhere}.ak-answer p{margin:0 0 5px;text-align:left!important}.ak-answer ul,.ak-answer ol{padding-left:20px}.ak-explanation{font-size:11px;line-height:1.42;color:#4a4438;margin-top:5px}.ak-explanation small{font:8.5px IBM Plex Mono;text-transform:uppercase;color:#8a8272}.ak-citations{display:flex;flex-wrap:wrap;gap:2px 10px;font:9.5px IBM Plex Mono;color:#0f4fbf;margin-top:5px}.ak-citations sup,.ak-edition{border:1px solid #6b6455;border-radius:2px;font:8px IBM Plex Mono;padding:0 3px;margin-left:3px}.ak-try-group{border-top:1px solid #d9d3c7;padding-top:7px;margin-bottom:12px}.ak-try-group>h4{display:flex;gap:6px;align-items:baseline;margin:0 0 7px;font:600 10.5px IBM Plex Mono;color:#2e7d52;break-after:avoid}.ak-try-group>h4 i{font:italic 10.5px "IBM Plex Serif";color:#6b6455;flex:1}.ak-check{background:#2e7d52;color:#fff;width:16px;height:16px;text-align:center}.ak-problems{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 26px}.ak-tryit{grid-column:1/-1;display:grid;grid-template-columns:22px 1fr;gap:6px;border:0;margin:0 0 5px}.ak-tryit.ak-narrow{grid-column:auto}.ak-tryit .ak-entry-head{margin:0;color:#2e7d52}.ak-tryit .ak-answer{line-height:1.5}.ak-index-columns{column-count:3;column-gap:26px;column-rule:1px solid #ece5d7;column-fill:auto}.ak-index-group>h3{font:600 10.5px IBM Plex Mono;color:#1363df;text-transform:uppercase;border-bottom:1px solid #d9d3c7;padding-bottom:3px;margin:9px 0 4px;break-after:avoid}.ak-index-entry{font:12px/1.4 "IBM Plex Serif";break-inside:avoid}.ak-index-folios{font:10.5px IBM Plex Mono;color:#4a4438}.ak-print-crossref{font:9.5px IBM Plex Mono;letter-spacing:.06em;text-transform:uppercase;text-align:right;border-top:1px solid #1363df55;padding-top:5px;margin-top:8px;color:#4a4438}.ak-measured-page{height:897px;box-sizing:border-box;break-before:page;break-inside:avoid;overflow:visible}.ak-measured-page:first-child{break-before:auto}.ak-measured-columns{display:grid;gap:28px;height:100%;grid-template-columns:repeat(2,minmax(0,1fr))}.ak-measured-column{min-width:0;overflow:visible}.ak-continued{font:9px IBM Plex Mono;color:#8a8272;text-transform:uppercase}.ak-continuation-label{font:600 10px IBM Plex Mono;color:#1363df;margin:0 0 6px}.ak-continues{font:8.5px IBM Plex Mono;color:#8a8272;text-align:right;margin-top:5px}.ak-measured-page>h2{font:600 15px Space Grotesk;color:#1363df;border-bottom:1.5px solid #16130E;padding-bottom:5px;margin:4px 0 8px}.ak-measured-column>h3{font:600 12.5px Space Grotesk;margin:8px 0 5px;color:#1363df}.ak-measured-column>h4{display:flex;gap:6px;font:600 10.5px IBM Plex Mono;color:#2e7d52;margin:8px 0}.ak-measured-column>h4 i{font:italic 10.5px "IBM Plex Serif";color:#6b6455;flex:1}.ak-measured-column+.ak-measured-column{border-left:1px solid #ece5d7;padding-left:12px;margin-left:-12px}.ak-try-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;break-inside:avoid}.ak-try-pair>.ak-tryit{grid-column:auto}.ak-tryit>.ak-continuation-label,.ak-tryit>.ak-continues{grid-column:1/-1}.ak-tryit[data-answer-continuation]>.ak-answer{grid-column:2}.ak-generated-view{flex:1;min-width:0}.ak-generated-bar{background:#fcfbf8;border-bottom:1px solid #EBEAE4;padding:12px 30px;font:12.5px "IBM Plex Serif";color:#4a4438}.ak-generated-bar>strong{font:600 9px IBM Plex Mono;letter-spacing:.12em;text-transform:uppercase;color:#8a8272}.ak-generated-bar p{margin:7px 0}.ak-filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.ak-filters input{flex:1;min-width:200px}.ak-generated-view input,.ak-generated-view select,.ak-panel select,.ak-source-footer input,.ak-source-footer select{border:1px solid #E7D8C8;border-radius:7px;background:#fff;padding:7px;font:12px Space Grotesk;color:#4a4438}.ak-generated-view button,.ak-panel button,.ak-source-footer button,.ak-freshness button,.ak-stale button{border:1px solid #E7D8C8;border-radius:7px;background:#fff;padding:6px 9px;cursor:pointer;color:#1363df;font:600 11px Space Grotesk}.ak-reading-sheet{width:816px;max-width:calc(100% - 40px);box-sizing:border-box;margin:25px auto 70px;position:relative;padding:72px 76.8px 86.4px 96px;background:#fff;box-shadow:0 8px 40px #0000001a}.ak-screen-chapter h2{font:600 15px Space Grotesk;color:#1363df;border-bottom:1.5px solid #16130E;padding-bottom:5px}.ak-screen-chapter h3{font:600 12.5px Space Grotesk}.ak-screen-entry{margin-bottom:12px;padding:9px;border:1px solid #d9d3c7}.ak-screen-entry h4{font:600 11px IBM Plex Mono;color:#2e7d52;margin:0 0 8px}.ak-screen-entry small{display:block;margin-top:5px}.ak-entry-actions{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font:10px IBM Plex Mono;margin-top:7px}.ak-focused{outline:2px solid #1363DF;outline-offset:1px;background:#eef3fc}.ak-state-missing,.ak-state-invalid,.ak-state-uncollected{border:1px dashed #B3261E;color:#b3261e}.ak-state-review,.ak-state-placeholder{border-left:3px solid #E3A72C;background:#fbf1e6;color:#8a6418}.ak-panel{padding:14px;overflow:auto;font:12px/1.5 "IBM Plex Serif"}.ak-toggle{display:flex;gap:5px;margin-bottom:10px}.ak-toggle button[aria-pressed=true]{background:#b5683a1a;color:#8f4f2a}.ak-counts{display:grid;grid-template-columns:1fr 1fr;gap:7px}.ak-counts>div{border:1px solid #EBEAE4;border-radius:8px;background:#fff;padding:9px}.ak-counts small{display:block;font:8.5px IBM Plex Mono;text-transform:uppercase}.ak-counts b{font:600 18px Space Grotesk}.ak-issue{display:flex!important;flex-direction:column;width:100%;text-align:left;gap:4px;margin-bottom:6px}.ak-issue b{font:600 10px IBM Plex Mono}.ak-issue span{color:#8a6418}.ak-issue small{font:11px "IBM Plex Serif";color:#4a4438}.ak-freshness,.ak-stale{font:9.5px IBM Plex Mono;margin-top:8px}.ak-stale{padding:8px;background:#fbf1e6;border-left:3px solid #E3A72C}.ak-source-footer{font:12px "IBM Plex Serif";border-top:1px solid #1363df55;margin-top:12px;padding-top:8px}.ak-source-footer small{display:block;font:9px IBM Plex Mono;margin-top:5px}.ak-footer-top{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin-bottom:7px}.ak-source-footer label{display:block;margin:5px 0}.ak-source-footer input{margin-left:8px;width:70%}.ak-source-footer [contenteditable]{background:#fff;border:1px solid #d9d3c7;border-radius:6px;padding:6px}.ak-generated-view :focus-visible,.ak-panel :focus-visible,.ak-source-footer :focus-visible{outline:2px solid #1363DF;outline-offset:1px}.ak-generated-tag{font:8px IBM Plex Mono;color:#8a8272;text-transform:uppercase;border:1px solid #E2DFD5;border-radius:4px;padding:2px}@media (max-width:600px){.ak-generated-bar{padding:12px}.ak-reading-sheet{max-width:100%;width:100%;margin:0;padding:22px 16px;box-shadow:none}.ak-filters{flex-direction:column}.ak-generated-view button,.ak-generated-view select,.ak-generated-view input{min-height:44px}.ak-entry-head{flex-wrap:wrap}.ak-cue{white-space:normal}.ak-reading-sheet .ak-two-columns,.ak-reading-sheet .ak-index-columns{column-count:1}}@media print{.ak-source-footer,.ak-generated-bar,.ak-entry-actions{display:none!important}}.ak-occurrences{max-width:344px;padding:14px;margin:8px 0;border:1px solid #EBEAE4;border-radius:11px;background:#fff;box-shadow:0 14px 36px #17171b2b;font:12px/1.45 "IBM Plex Serif"}.ak-occurrences>div{border-top:1px solid #d9d3c7;padding:8px 0}.ak-occurrences small{display:block;margin:7px 0}.ak-citation-dialog{position:fixed;top:15vh;left:50%;transform:translate(-50%);z-index:130;width:400px;max-width:94vw;box-sizing:border-box;background:#fff;padding:18px;border:1px solid #ebeae4;border-radius:10px;box-shadow:0 8px 24px #17171b2e;font:13px/1.5 Space Grotesk,sans-serif}.ak-citation-dialog h3{margin-top:0}.ak-citation-dialog button,.ak-citation-dialog select{min-height:36px;font:inherit;border:1px solid #d9d3c7;border-radius:5px;background:#f6f8fc;padding:5px 9px;cursor:pointer}[contenteditable] .au-nec-citation{text-decoration:underline dotted #1363df;text-underline-offset:3px}.ak-coverage{margin:12px 0;padding:10px;background:#fffaf0;border:1px solid #ddd1af;border-radius:8px}.ak-coverage summary{cursor:pointer;font-weight:600}.ak-coverage article{border-top:1px solid #ddd1af;padding:8px 0}.ak-coverage small{display:block;color:#706751}.ak-appendix-sheet:after{content:"";position:absolute;right:0;top:0;bottom:0;width:36px;background:#16130e}.ak-authoring-rail{position:absolute;top:34px;left:96px;right:76.8px;text-align:right;font:600 8pt IBM Plex Mono;letter-spacing:.08em;color:#1363df;border-bottom:.75px solid #d9d3c7;padding-bottom:6px}@font-face{font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.11"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.eu-connect .eu-match{width:100%;height:auto}.eu-connect .eu-match-col{width:44%;min-width:0}.eu-connect .eu-node{width:100%;height:auto;min-height:64px;padding:12px;overflow-wrap:anywhere}.eu-connect .eu-node-mono{font-family:var(--eu-sans);font-size:14px;line-height:1.4}.eu-interaction .eu-seq .eu-seq-item{display:flex;align-items:center;gap:4px;min-width:0;margin:0;padding:0;list-style:none}.eu-seq-item>.eu-seq-row{flex:1;min-width:0}.eu-interaction .eu-seq .eu-seq-drag{display:flex;align-items:center;justify-content:center;flex:0 0 44px;width:44px;height:44px;min-width:44px;min-height:44px;padding:0;border:0;border-radius:7px;background:transparent;color:var(--eu-text-2);line-height:1;touch-action:none;cursor:grab}.eu-interaction .eu-seq .eu-seq-drag:active{cursor:grabbing}.eu-interaction .eu-seq .eu-seq-drag:hover:not(:disabled){background:var(--eu-blue-soft)}.eu-interaction .eu-seq .eu-seq-drag:disabled{opacity:.4;cursor:default}.eu-seq-item[data-drop-target=true]>.eu-seq-row{outline:2px solid var(--eu-blue);outline-offset:2px}.eu-seq-announcement{display:block;font-size:12px}.eu-seq-label{min-width:0;overflow-wrap:anywhere}.eu-interaction .eu-seq .eu-seq-btn{display:flex;align-items:center;justify-content:center;width:32px;height:28px;min-width:32px;min-height:28px;padding:0;line-height:1;border-radius:7px}.eu-interaction .eu-seq button svg{display:block;flex:none;max-width:none}.eu-connect .eu-node:focus-visible,.eu-seq button:focus-visible{outline:3px solid var(--eu-blue);outline-offset:3px}.sm-learner .sm-foundation .sm-foundation-v11-0{margin:0;font-size:1.0625rem;line-height:1.75;color:#33302a;max-width:65ch;text-wrap:pretty}.sm-learner .sm-foundation .sm-foundation-v11-1{border:1px solid #E4DECF;border-radius:10px;background:#fff;overflow:hidden}.sm-learner .sm-foundation .sm-foundation-v11-2{display:flex;justify-content:space-between;gap:8px;padding:9px 14px;border-bottom:1px solid #E4DECF;font:600 .65625rem/1.2 Spline Sans Mono,monospace;letter-spacing:.08em;color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-3{padding:18px 16px 14px;text-align:center;font-size:calc(1.0625rem * 1.6);color:#1a1814;overflow-x:auto;overflow-y:hidden}.sm-learner .sm-foundation .sm-foundation-v11-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,8rem),1fr));border-top:1px solid #E4DECF;font-size:.8125rem;line-height:1.35;color:#57534a;gap:1px;background:#e4decf}.sm-learner .sm-foundation .sm-foundation-v11-5{padding:10px 12px;background:#fff}.sm-learner .sm-foundation .sm-foundation-v11-6{color:#1a1814;font-family:Spline Sans Mono,monospace}.sm-learner .sm-foundation .sm-foundation-v11-7{display:flex;flex-direction:column;gap:10px;border-top:1px solid #E4DECF;padding-top:16px}.sm-learner .sm-foundation .sm-foundation-v11-8{align-self:flex-start;font:600 .6875rem/1.3 Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;border-radius:4px;padding:4px 8px}.sm-learner .sm-foundation .sm-foundation-v11-9{margin:0;font-weight:700;line-height:1.5;text-wrap:pretty}.sm-learner .sm-foundation .sm-foundation-v11-10{display:flex;flex-direction:column;gap:8px}.sm-learner .sm-foundation .sm-foundation-v11-11{min-height:44px;padding:10px 12px;border-radius:8px;color:#1a1814;font:400 1rem/1.4 Public Sans,sans-serif;text-align:left;display:flex;gap:10px;align-items:center}.sm-learner .sm-foundation .sm-foundation-v11-12{flex:none;width:18px;height:18px;border-radius:9999px}.sm-learner .sm-foundation .sm-foundation-v11-13{min-height:48px;padding:0 20px;border:2px solid #1A1814;border-radius:6px;background:#fff;color:#1a1814;font:700 1rem Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-14{margin:0;color:#b45309;font-weight:700}.sm-learner .sm-foundation .sm-foundation-v11-15{display:flex;flex-direction:column;gap:10px}.sm-learner .sm-foundation .sm-foundation-v11-16{padding:2px 0 2px 14px;line-height:1.55}.sm-learner .sm-foundation .sm-foundation-v11-17{min-height:48px;padding:0 18px;border:1px solid #D6CFBC;border-radius:6px;background:#fff;color:#1a1814;font:700 1rem Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-18{border:1px solid #BBD4F7;border-radius:4px;overflow:hidden;background:#fff}.sm-learner .sm-foundation .sm-foundation-v11-19{background:#0f4fbf;color:#fff;padding:8px 14px;display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;font:600 .6875rem/1.3 Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase}.sm-learner .sm-foundation .sm-foundation-v11-20{padding:14px 16px;display:flex;flex-direction:column;gap:12px}.sm-learner .sm-foundation .sm-foundation-v11-21{margin:0;font-size:.9375rem;line-height:1.5;color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-22{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.sm-learner .sm-foundation .sm-foundation-v11-23{display:flex;gap:10px;align-items:flex-start}.sm-learner .sm-foundation .sm-foundation-v11-24{flex:none;width:1.25rem;height:1.25rem;border-radius:9999px;background:#0f4fbf;color:#fff;font:600 .6875rem/1.25rem Spline Sans Mono,monospace;text-align:center;margin-top:.15em}.sm-learner .sm-foundation .sm-foundation-v11-25{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.sm-learner .sm-foundation .sm-foundation-v11-26{line-height:1.55}.sm-learner .sm-foundation .sm-foundation-v11-27{overflow-x:auto;overflow-y:hidden;font-size:1.0625rem;padding:4px 0}.sm-learner .sm-foundation .sm-foundation-v11-28{display:flex;flex-wrap:wrap;gap:8px}.sm-learner .sm-foundation .sm-foundation-v11-29{min-height:44px;padding:0 16px;border:1.5px solid #0F4FBF;border-radius:6px;background:#fff;color:#0f4fbf;font:700 .9375rem Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-30{min-height:44px;padding:0 14px;border:0;background:transparent;color:#0f4fbf;font:700 .9375rem Public Sans,sans-serif;cursor:pointer;text-decoration:underline;text-underline-offset:3px}.sm-learner .sm-foundation .sm-foundation-v11-31{align-self:flex-start;font:600 .6875rem/1.3 Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#0f4fbf;background:#e8f0fc;border-radius:4px;padding:4px 8px}.sm-learner .sm-foundation .sm-foundation-v11-32{margin:0;font-weight:700;line-height:1.5}.sm-learner .sm-foundation .sm-foundation-v11-33{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:8px 10px;border-radius:8px}.sm-learner .sm-foundation .sm-foundation-v11-34{flex:1 1 14rem;line-height:1.4}.sm-learner .sm-foundation .sm-foundation-v11-35{min-height:44px;min-width:9rem;padding:0 10px;border:1px solid #57534A;border-radius:6px;background:#fff;color:#1a1814;font:600 .9375rem Spline Sans Mono,monospace}.sm-learner .sm-foundation .sm-foundation-v11-36{border:1px solid #E4DECF;border-radius:10px;overflow:hidden;background:#fff}.sm-learner .sm-foundation .sm-foundation-v11-37{padding:20px 8px 24px}.sm-learner .sm-foundation .sm-foundation-v11-38{position:relative;margin:0 auto}.sm-learner .sm-foundation .sm-foundation-v11-39{position:absolute;transform:translate(-50%,-50%);width:44px;height:44px;border:0;background:transparent;padding:0;cursor:pointer;display:flex;align-items:center;justify-content:center}.sm-learner .sm-foundation .sm-foundation-v11-40{width:22px;height:22px;border-radius:9999px;font:600 .75rem/18px Spline Sans Mono,monospace;text-align:center}.sm-learner .sm-foundation .sm-foundation-v11-41{position:absolute;left:47.8%;top:22%;transform:translate(-50%,-50%);width:72px;height:64px;border:0;border-radius:8px;background:transparent;cursor:pointer;padding:0}.sm-learner .sm-foundation .sm-foundation-v11-42{position:absolute;left:50%;top:-16px;transform:translate(-50%);font:600 .5625rem Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#1363df;white-space:nowrap}.sm-learner .sm-foundation .sm-foundation-v11-43{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:#e4decf;border-top:1px solid #E4DECF}.sm-learner .sm-foundation .sm-foundation-v11-44{border-radius:0;width:100%;height:100%;min-height:48px;display:flex;align-items:center;gap:10px;padding:8px 14px;border:0;text-align:left;cursor:pointer;color:#1a1814;font:400 .9375rem Public Sans,sans-serif}.sm-learner .sm-foundation .sm-foundation-v11-45{flex:none;width:22px;height:22px;border-radius:9999px;font:600 .75rem/18px Spline Sans Mono,monospace;text-align:center}.sm-learner .sm-foundation .sm-foundation-v11-46{flex:1;min-width:0}.sm-learner .sm-foundation .sm-foundation-v11-47{display:block;font-size:.8125rem;color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-48{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,7rem),1fr));gap:1px;background:#e4decf;border-top:1px solid #E4DECF;border-bottom:1px solid #E4DECF}.sm-learner .sm-foundation .sm-foundation-v11-49{background:#fff;padding:8px 12px}.sm-learner .sm-foundation .sm-foundation-v11-50{font:600 .6875rem/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-51{margin:0;font-family:Saira,sans-serif;font-weight:700;font-size:1.125rem}.sm-learner .sm-foundation .sm-foundation-v11-52{padding:14px 16px;display:flex;flex-direction:column;gap:10px}.sm-learner .sm-foundation .sm-foundation-v11-53{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.sm-learner .sm-foundation .sm-foundation-v11-54{min-height:48px;padding:0 18px;border:2px solid #1A1814;border-radius:6px;background:#fff;color:#1a1814;font:700 1rem Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-55{min-height:48px;padding:0 18px;border:2px dashed #B45309;border-radius:6px;background:#fff;color:#b45309;font:700 1rem Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-56{margin:0;font-size:.875rem;line-height:1.5;color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-57{min-height:44px;padding:10px 12px;border-radius:8px;color:#1a1814;font:400 1rem/1.4 Public Sans,sans-serif;text-align:left;cursor:pointer;display:flex;gap:10px;align-items:center}.sm-learner .sm-foundation .sm-foundation-v11-58{margin:0;font-family:Spline Sans Mono,monospace;font-size:.75rem;letter-spacing:.04em;color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-59{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,13rem),1fr));gap:1px;background:#e4decf}.sm-learner .sm-foundation .sm-foundation-v11-60{background:#fff;padding:14px 16px;display:flex;flex-direction:column;gap:10px}.sm-learner .sm-foundation .sm-foundation-v11-61{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.sm-learner .sm-foundation .sm-foundation-v11-62{font-family:Saira,sans-serif;font-size:1.125rem}.sm-learner .sm-foundation .sm-foundation-v11-63{font-family:Spline Sans Mono,monospace;font-size:.6875rem;letter-spacing:.06em;text-transform:uppercase;color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-64{display:flex;flex-direction:column;gap:6px}.sm-learner .sm-foundation .sm-foundation-v11-65{display:flex;flex-wrap:wrap;gap:6px}.sm-learner .sm-foundation .sm-foundation-v11-66{width:22px;height:22px;border-radius:9999px;border:2px solid #1A1814;background:#fff;color:#1a1814;font:700 .875rem/18px Spline Sans Mono,monospace;text-align:center}.sm-learner .sm-foundation .sm-foundation-v11-67{display:flex;flex-wrap:wrap;gap:6px;min-height:22px}.sm-learner .sm-foundation .sm-foundation-v11-68{width:22px;height:22px;border-radius:9999px;background:#1363df;color:#fff;font:700 .875rem/22px Spline Sans Mono,monospace;text-align:center}.sm-learner .sm-foundation .sm-foundation-v11-69{margin:0;display:grid;grid-template-columns:auto 1fr;gap:2px 10px;font-size:.875rem}.sm-learner .sm-foundation .sm-foundation-v11-70{color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-71{margin:0;font-family:Spline Sans Mono,monospace;font-weight:600}.sm-learner .sm-foundation .sm-foundation-v11-72{margin:0;font-family:Saira,sans-serif;font-weight:700}.sm-learner .sm-foundation .sm-foundation-v11-73{border-top:1px solid #E4DECF;padding:12px 16px;display:flex;flex-direction:column;gap:8px}.sm-learner .sm-foundation .sm-foundation-v11-74{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}.sm-learner .sm-foundation .sm-foundation-v11-75{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;height:14px}.sm-learner .sm-foundation .sm-foundation-v11-76{border-radius:3px}.sm-learner .sm-foundation .sm-foundation-v11-77{font-family:Saira,sans-serif;font-weight:700;font-size:1.125rem}.sm-learner .sm-foundation .sm-foundation-v11-78{border-top:1px solid #E4DECF;padding:14px 16px;display:flex;flex-direction:column;gap:10px}.sm-learner .sm-foundation .sm-foundation-v11-79{min-height:48px;padding:0 16px;border:2px solid #1A1814;border-radius:6px;background:#fff;color:#1a1814;font:700 .9375rem Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-80{min-height:48px;padding:0 16px;border:1px solid #D6CFBC;border-radius:6px;background:#fff;color:#1a1814;font:700 .9375rem Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-81{flex:1 1 12rem;display:flex;flex-direction:column;gap:4px}.sm-learner .sm-foundation .sm-foundation-v11-82{font-size:.875rem;font-weight:700}.sm-learner .sm-foundation .sm-foundation-v11-83{min-height:44px;padding:0 10px;border:1px solid #57534A;border-radius:6px;background:#fff;color:#1a1814;font:600 .9375rem Spline Sans Mono,monospace}.sm-learner .sm-foundation .sm-foundation-v11-84{padding:12px 8px}.sm-learner .sm-foundation .sm-foundation-v11-85{position:relative;max-width:520px;margin:0 auto}.sm-learner .sm-foundation .sm-foundation-v11-86{font-family:Spline Sans Mono,monospace;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-87{min-height:44px;padding:0 14px;border:1px solid #1A1814;border-radius:6px;font:700 .9375rem Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-88{border-collapse:collapse;width:100%;font-size:.9375rem}.sm-learner .sm-foundation .sm-foundation-v11-89{text-align:left;font-size:.8125rem;color:#57534a;padding-bottom:6px}.sm-learner .sm-foundation .sm-foundation-v11-90{text-align:left;padding:6px 8px;border-bottom:1px solid #E4DECF}.sm-learner .sm-foundation .sm-foundation-v11-91{padding:6px 8px;border-bottom:1px solid #E4DECF;font-family:Spline Sans Mono,monospace}.sm-learner .sm-foundation .sm-foundation-v11-92{padding:14px 16px;display:flex;flex-direction:column;gap:10px;align-items:center}.sm-learner .sm-foundation .sm-foundation-v11-93{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;justify-content:center}.sm-learner .sm-foundation .sm-foundation-v11-94{display:flex;border:1px solid #1A1814;border-radius:6px;overflow:hidden}.sm-learner .sm-foundation .sm-foundation-v11-95{min-height:48px;min-width:72px;padding:0 16px;border:0;font:700 1.0625rem Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-96{min-height:48px;min-width:72px;padding:0 16px;border:0;border-left:1px solid #1A1814;font:700 1.0625rem Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-97{margin:0;text-align:center;font-size:.875rem;color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-98{background:#fff;padding:14px 16px;display:flex;flex-direction:column;gap:8px}.sm-learner .sm-foundation .sm-foundation-v11-99{font-family:Spline Sans Mono,monospace;font-size:.75rem;font-weight:600;color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-100{height:16px;border-radius:4px;background:#e4decf;overflow:hidden}.sm-learner .sm-foundation .sm-foundation-v11-101{height:100%;transition:width .12s linear}.sm-learner .sm-foundation .sm-foundation-v11-102{font-family:Spline Sans Mono,monospace;font-size:.9375rem;font-weight:600;padding:0 4px}.sm-learner .sm-foundation .sm-foundation-v11-103{margin:0;font-size:.875rem;color:#57534a}.sm-learner .sm-foundation .sm-foundation-v11-104{padding:16px 12px 20px}.sm-learner .sm-foundation .sm-foundation-v11-105{position:absolute;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:9999px;font:700 1rem Spline Sans Mono,monospace;cursor:pointer;box-shadow:0 0 0 4px #fff}.sm-learner .sm-foundation .sm-foundation-v11-106{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,7rem),1fr));gap:1px;background:#e4decf;border-top:1px solid #E4DECF}.sm-learner .sm-foundation .sm-foundation-v11-107{display:flex;flex-direction:column;gap:12px}.sm-learner .sm-foundation .sm-foundation-v11-108{background:#fbeee3;border:1px solid #E9CBB0;border-radius:8px;padding:12px 14px;line-height:1.55}.sm-learner .sm-foundation .sm-foundation-v11-109{border-left:3px solid #2E7D52;padding:2px 0 2px 14px;line-height:1.55}.sm-learner .sm-foundation .sm-foundation-v11-110{padding:14px 16px;display:flex;align-items:center;gap:10px}.sm-learner .sm-foundation .sm-foundation-v11-111{width:48px;height:48px;flex:none;border:1px solid #1A1814;border-radius:6px;background:#fff;color:#1a1814;font:700 1.375rem Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-112{flex:1;min-width:0;height:48px;cursor:pointer}.sm-learner .sm-foundation .sm-foundation-v11-113{display:flex;flex-direction:column;gap:8px;border-top:1px solid #E4DECF;padding-top:16px}.sm-learner .sm-foundation .sm-foundation-v11-114{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.sm-learner .sm-foundation .sm-foundation-v11-115{font-weight:700}.sm-learner .sm-foundation .sm-foundation-v11-116{font-family:Spline Sans Mono,monospace;font-size:.65625rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#b45309;background:#fbeee3;border:1px solid #E9CBB0;border-radius:4px;padding:4px 8px}.sm-learner .sm-foundation .sm-foundation-v11-117{width:100%;min-height:8rem;padding:12px 14px;border:1.5px solid #57534A;border-radius:6px;background:#fff;font:400 1rem/1.55 Public Sans,sans-serif;color:#1a1814;resize:vertical}.sm-learner .sm-foundation .sm-foundation-v11-118{font-size:.8125rem;color:#57534a}.sm-charge{color:#1a1814;font:400 1rem/1.65 Public Sans,sans-serif;display:flex;flex-direction:column;gap:24px;min-width:0}.sm-charge p,.sm-charge figure{margin:0}.sm-charge-passage{line-height:1.75}.sm-charge :is(button,input){font-family:Public Sans,sans-serif}.sm-charge button{cursor:pointer;white-space:normal;min-height:44px;max-width:100%}.sm-charge button:disabled{cursor:default;opacity:.5}.sm-charge :focus-visible{outline:2px solid #1363df;outline-offset:3px}.sm-charge-frame{border:1px solid #e4decf;border-radius:10px;overflow:hidden;background:#fff}.sm-charge-frame>header,.sm-charge-equation>header{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:9px 14px;border-bottom:1px solid #e4decf;font:600 .65625rem/1.3 Spline Sans Mono,monospace;letter-spacing:.08em;color:#57534a}.sm-charge-drawing{padding:16px 12px}.sm-charge-drawing>div{max-width:520px;margin:0 auto}.sm-charge-drawing svg{max-width:100%;height:auto}.sm-charge-figure figcaption{margin-top:10px;font-size:.875rem;line-height:1.5;color:#57534a}.sm-charge-strip{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,7rem),1fr));gap:1px;background:#e4decf;border-top:1px solid #e4decf;border-bottom:1px solid #e4decf}.sm-charge-strip>div{background:#fff;padding:8px 12px;min-width:0}.sm-charge-strip dt{font:600 .6875rem/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a}.sm-charge-strip dd{margin:0;font:700 1.125rem/1.5 Saira,sans-serif;overflow-wrap:anywhere}.sm-charge-controls{padding:14px 16px;display:flex;flex-direction:column;gap:12px}.sm-charge-controls>p{font-size:.875rem;line-height:1.5;color:#57534a}.sm-charge .sm-charge-progress{font:400 .75rem/1.6 Spline Sans Mono,monospace;color:#57534a;letter-spacing:.04em}.sm-charge-buttons{display:flex;flex-wrap:wrap;gap:8px}.sm-charge-buttons button{min-height:48px;padding:8px 16px;border:2px solid #1a1814;border-radius:6px;background:#fff;font-size:.9375rem;font-weight:700}.sm-charge-buttons button:last-child{border:1px solid #d6cfbc}.sm-charge-drawing .sm-charge-atom-pins{max-width:320px;position:relative}.sm-charge .sm-charge-pin{position:absolute;transform:translate(-50%,-50%);padding:0;width:44px;height:44px;border:2px solid;border-radius:50%;font:600 .875rem Spline Sans Mono,monospace;display:grid;place-items:center}.sm-charge-legend{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.sm-charge-legend button{display:flex;gap:8px;align-items:center;padding:6px;border:0;border-radius:6px;background:#fff;text-align:left}.sm-charge-legend button[aria-pressed=true]{background:#e8f0fc}.sm-charge-legend button>span:first-child{border:2px solid;border-radius:50%;width:26px;height:26px;display:grid;place-items:center;flex:none;font:600 .75rem Spline Sans Mono,monospace}.sm-charge-legend strong{display:block;font-size:.9375rem}.sm-charge-legend small{display:block;font-size:.8125rem;line-height:1.4;color:#57534a}.sm-charge-check{display:flex;flex-direction:column;gap:12px}.sm-charge-kicker{font:600 .6875rem Spline Sans Mono,monospace;color:#1363df;letter-spacing:.08em}.sm-charge-check fieldset{padding:0;border:0;margin:0;min-width:0}.sm-charge-check legend,.sm-charge-check h3{font:700 1rem/1.5 Public Sans,sans-serif;margin:0 0 12px}.sm-charge-check>button{align-self:flex-start;padding:10px 18px;background:#1a1814;color:#fff;border:0;border-radius:6px;font-size:.9375rem;font-weight:700}.sm-charge-choice,.sm-charge-purposes button{display:flex;align-items:center;gap:10px;border:1px solid #d6cfbc;border-radius:8px;background:#fff;padding:10px 12px;min-height:44px;text-align:left;font:400 1rem/1.4 Public Sans,sans-serif}.sm-charge-choice{margin-bottom:8px;cursor:pointer}.sm-charge-choice input{width:18px;height:18px;flex:none;accent-color:#1363df}.sm-charge-purposes{display:flex;flex-direction:column;gap:8px}.sm-charge-choice-dot{width:18px;height:18px;flex:none;border-radius:50%;border:2px solid}.sm-charge-correct,.sm-charge-retry{padding:2px 0 2px 14px;border-left:3px solid #2e7d52;line-height:1.55}.sm-charge-retry{border-color:#b45309}.sm-charge-field-controls{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center}.sm-charge-field-controls fieldset{border:0;padding:0;margin:0;display:flex;gap:0}.sm-charge-field-controls legend,.sm-charge-distance{font:600 .75rem Spline Sans Mono,monospace;color:#57534a}.sm-charge-field-controls fieldset label{display:flex;align-items:center;justify-content:center;min-width:48px;min-height:44px;position:relative;border:1px solid #1a1814;cursor:pointer}.sm-charge-field-controls fieldset label:first-of-type{border-radius:6px 0 0 6px}.sm-charge-field-controls fieldset label:last-of-type{border-radius:0 6px 6px 0}.sm-charge-field-controls input[type=radio]{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.sm-charge-field-controls label:focus-within{outline:2px solid #1363df;outline-offset:3px}.sm-charge-distance{display:flex;align-items:center;gap:8px;flex:1 1 12rem}.sm-charge-distance input{min-width:0;width:100%;height:44px;accent-color:#1363df}.sm-charge .sm-charge-match{display:flex;gap:8px;flex-wrap:wrap}.sm-charge-match label{display:flex;align-items:center;gap:6px;padding:8px;border:1px solid #d6cfbc;border-radius:6px;min-height:44px;cursor:pointer}.sm-charge-match input{accent-color:#1363df}.sm-charge-equation{border:1px solid #e4decf;border-radius:10px;background:#fff;overflow:hidden}.sm-charge-equation>div{padding:24px;text-align:center;font:700 2rem Saira,sans-serif}.sm-charge-equation dl{margin:0;padding:0 20px 20px;display:flex;flex-direction:column;gap:6px}.sm-charge-equation dl>div{display:flex;gap:14px;font-size:.875rem}.sm-charge-equation dt{font-family:Spline Sans Mono,monospace;min-width:1rem}.sm-charge-equation dd{margin:0}@keyframes smcharge-atomspin{to{transform:rotate(360deg)}}@keyframes smcharge-popfade{0%,to{opacity:0}8%,30%{opacity:1}40%{opacity:0}}@keyframes smcharge-fieldflow{to{stroke-dashoffset:-14}}@keyframes smcharge-colscroll{to{transform:translateY(-119px)}}@media (prefers-reduced-motion:reduce){.sm-charge *{animation:none!important;transition:none!important}}.sm-charge .sm-charge-pin{background:transparent;border:0}.sm-charge-pin>span{width:22px;height:22px;border-radius:50%;border:2px solid;display:grid;place-items:center;font:600 .75rem/18px Spline Sans Mono,monospace}.sm-charge-legend{gap:1px;background:#e4decf;border-top:1px solid #e4decf}.sm-charge-legend button{border-radius:0;min-height:48px;padding:8px 14px;gap:10px}.sm-charge-legend button>span:first-child{width:22px;height:22px}.sm-charge-check{border-top:1px solid #e4decf;padding-top:16px;gap:10px}.sm-charge-kicker{align-self:flex-start;border-radius:4px;padding:4px 8px;background:#e8f0fc;color:#1363df;text-transform:uppercase}.sm-charge-check>button{min-height:48px;border:2px solid #1a1814;background:#fff;color:#1a1814;padding:10px 20px;font-size:1rem}.sm-charge .sm-charge-match{display:flex;align-items:center;gap:8px 12px;flex-wrap:wrap;padding:8px 10px;border:1px solid #d6cfbc;border-radius:8px}.sm-charge-match span{flex:1 1 14rem;line-height:1.4}.sm-charge-match select{min-width:min(9rem,100%);max-width:100%;min-height:44px;padding:0 10px;border:1px solid #57534a;border-radius:6px;background:#fff;color:#1a1814;font:600 .9375rem Spline Sans Mono,monospace}.sm-charge-passage{font-size:1.0625rem;line-height:1.75;color:#33302a;max-width:65ch;text-wrap:pretty}.sm-charge-choice[data-selected=true]{border-color:#1363df;background:#e8f0fc}.sm-charge-choice[data-result=correct]{border-color:#2e7d52;background:#edf5ef}.sm-charge-choice[data-result=wrong]{border-color:#b45309;background:#fbeee3}.sm-charge-choice input{accent-color:#1363df!important}.sm-charge-equation>div{padding:18px 16px 14px;font:600 1.7rem Saira,sans-serif}.sm-charge-equation dl{padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,8rem),1fr));border-top:1px solid #e4decf;font-size:.8125rem;line-height:1.35;gap:1px;background:#e4decf}.sm-charge-equation dl>div{padding:10px 12px;background:#fff;display:block;font-size:inherit}.sm-charge-equation dt{display:inline;margin-right:6px;font-weight:700}.sm-charge-equation dd{display:inline;color:#57534a}.sm-foundation .sm-voltage-v3-0{border:1px solid #E4DECF;border-radius:10px;overflow:hidden;background:#fff}.sm-foundation .sm-voltage-v3-1{display:flex;justify-content:space-between;gap:8px;padding:9px 14px;border-bottom:1px solid #E4DECF;font:600 .65625rem/1.2 Spline Sans Mono,monospace;letter-spacing:.08em;color:#57534a}.sm-foundation .sm-voltage-v3-2{padding:16px 12px}.sm-foundation .sm-voltage-v3-3{margin:0 auto}.sm-foundation .sm-voltage-v3-4{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,7rem),1fr));gap:1px;background:#e4decf;border-top:1px solid #E4DECF;border-bottom:1px solid #E4DECF}.sm-foundation .sm-voltage-v3-5{background:#fff;padding:8px 12px}.sm-foundation .sm-voltage-v3-6{font:600 .6875rem/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a}.sm-foundation .sm-voltage-v3-7{margin:0;font-family:Saira,sans-serif;font-weight:700;font-size:1.125rem}.sm-foundation .sm-voltage-v3-8{padding:14px 16px;display:flex;flex-direction:column;gap:12px}.sm-foundation .sm-voltage-v3-9{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.sm-foundation .sm-voltage-v3-10{font-family:Spline Sans Mono,monospace;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:#57534a}.sm-foundation .sm-voltage-v3-11{min-height:44px;padding:0 14px;border:1px solid #1A1814;border-radius:6px;font:700 .9375rem Public Sans,sans-serif;cursor:pointer}.sm-foundation .sm-voltage-v3-12{display:flex;flex-wrap:wrap;gap:8px}.sm-foundation .sm-voltage-v3-13{min-height:48px;padding:0 16px;border-radius:6px;font:700 .9375rem Public Sans,sans-serif;cursor:pointer}.sm-foundation .sm-voltage-v3-14{margin:0;font-size:.875rem;line-height:1.5;color:#57534a}.sm-foundation .sm-voltage-v3-15{margin:0;font-family:Spline Sans Mono,monospace;font-size:.75rem;letter-spacing:.04em;color:#57534a}.sm-foundation{min-width:0;display:flex;flex-direction:column;gap:24px;color:#1a1814;font:400 1rem/1.65 Public Sans,sans-serif}.sm-foundation *{box-sizing:border-box}.sm-foundation button{max-width:100%;white-space:normal}.sm-foundation :is(button,input,select,textarea):focus-visible{outline:2px solid #1363df;outline-offset:3px}.sm-foundation button:disabled{cursor:default;opacity:.6}.sm-foundation svg{height:auto;max-width:100%}.sm-foundation select,.sm-foundation input{max-width:100%;min-width:0}.sm-foundation dd{overflow-wrap:anywhere}@keyframes smfoundation-loop{to{stroke-dashoffset:-32}}.sm-foundation[data-reduced-motion=true] *{animation:none!important;transition:none!important}@media (prefers-reduced-motion:reduce){.sm-foundation *{animation:none!important;transition:none!important}}.sm-current-speed{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:Spline Sans Mono,monospace;font-size:.75rem;color:#57534a}.sm-current-speed input{min-width:0;max-width:100%;flex:1 1 120px;accent-color:#1363DF}.sm-current-speed output{overflow-wrap:anywhere}.sm-foundation .sm-voltage-inline-controls{flex-direction:row;flex-wrap:wrap;align-items:center}.sm-foundation .sm-voltage-inline-controls>p{flex-basis:100%;margin:0}.sm-lesson-blocks{display:flex;flex-direction:column;gap:20px;min-width:0;font-size:1.0625rem;line-height:1.7}.sm-lesson-blocks>div{min-width:0;overflow-wrap:anywhere}.sm-lesson-blocks p{margin:0 0 12px}.sm-lesson-blocks figure{margin:0}.sm-lesson-blocks img{max-width:100%;height:auto}.sm-lesson-blocks figcaption{font-size:.875rem;color:#57534a;margin-top:10px}.sm-block-math{overflow-x:auto;text-align:center;padding:16px;background:#faf8f2;border-radius:8px}.sm-block-table{max-width:100%;overflow:auto}.sm-block-table table{width:100%;border-collapse:collapse;min-width:280px}.sm-block-table td,.sm-block-table th{border:1px solid #ddd8cc;padding:12px;text-align:left}.sm-block-table th{background:#f5f2e9}.sm-block-callout{padding:16px;border-left:3px solid #b5683a;background:#faf7ee}.sm-lesson-block-editor{padding:12px 32px;min-width:0}.sm-lesson-block-editor [contenteditable]{font-family:inherit!important;font-size:inherit!important}.sm-lesson-block-editor input,.sm-lesson-block-editor textarea{font-size:16px!important;max-width:100%}.sm-lesson-block-editor fieldset{min-width:0}.sm-lesson-block-editor .sm-native-region{border:1px solid #e4decf;padding:14px;border-radius:8px}.sm-lesson-block-editor [data-au-block-id] [data-gutter]{opacity:1!important}.sm-lesson-block-editor [data-au-block-id] button{min-height:28px}.sm-block-history{display:flex;gap:8px;margin-bottom:12px}.sm-block-glossary{position:fixed;inset:12vh auto auto 50%;transform:translate(-50%);width:440px;max-width:94vw;max-height:80vh;overflow:auto;z-index:150;background:#fff;border:1px solid #ddd8cc;border-radius:12px;padding:20px;box-shadow:0 12px 40px #0003}.sm-block-glossary textarea{width:100%;min-height:160px;font-size:16px}.sm-block-glossary .sm-actions{display:flex;gap:8px;flex-wrap:wrap}@media (max-width:600px){.sm-lesson-block-editor{padding:10px 30px}.sm-lesson-block-editor [data-au-block-id]{padding-left:32px!important;padding-right:32px!important;margin-left:-30px!important;margin-right:-30px!important}}.sm-media-settings{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:8px 0}.sm-media-title{font-size:12px;color:#6e675d}.sm-editable-media .sm-media-caption input{border:0;border-bottom:1px solid #ddd8cc;background:transparent;width:100%;font-size:14px!important;padding:8px 0}.sm-editable-media details{font-size:12px;margin:6px 0}.sm-block-history:empty{display:none}.nw-root{display:block;min-width:0}.nw-canvas{min-width:0}.nw-help{font-size:12px;color:#57534a}.nw-block{position:relative;margin:16px 0;padding:12px;border:1px solid transparent;border-radius:8px;min-width:0}.nw-block[data-selected=true]{border-color:#e0cdb9}.nw-select{font:600 11px Space Grotesk,system-ui,sans-serif;margin-bottom:10px;padding:5px 8px;border:1px solid #EBEAE4;border-radius:6px;background:#fff;color:#7a7a82;cursor:pointer}.sm-root .sm-workbench.sm-mode-edit{grid-template-columns:250px minmax(0,1fr) 372px;gap:0}.sm-workbench.sm-mode-edit>.sm-right,.sm-workbench.sm-mode-edit>.sm-tree{width:auto!important;min-width:0;padding:0;display:block;position:sticky;top:10px;align-self:start;max-height:calc(100vh - 130px);overflow:auto;border-radius:0}.sm-workbench.sm-mode-edit>.sm-tree{padding:14px 10px}.sm-tree .wb-screen-select{display:block;width:auto;margin:0;font-size:12px;border:0}.sm-tree .wb-screen-row{min-width:0}.sm-tree .sm-outline-actions{display:none}.sm-tree .wb-screen-row.selected .sm-outline-actions,.sm-tree .wb-screen-row:focus-within .sm-outline-actions{display:grid}.sm-tree .sm-lesson-link{font-size:12.5px;color:#2e2e34}.sm-tree summary{font:600 11px Space Grotesk,system-ui,sans-serif;color:#5b5b64;padding:6px 8px}.sm-tree summary small{display:none}.sm-workbench-controls{display:block}.wb-lesson-controls{padding:0;margin:0;border:0;min-width:0}.wb-edit-panel fieldset{min-width:0}.wb-edit-panel details{margin:10px 0}.wb-edit-panel summary{font-family:Space Grotesk,system-ui,sans-serif;font-size:11.5px;cursor:pointer;color:#5b5b64}.wb-edit-panel input,.wb-edit-panel textarea,.wb-edit-panel select{max-width:100%;box-sizing:border-box}.wb-edit-panel :focus-visible{outline:2px solid #B5683A;outline-offset:2px}.wb-edit-panel [data-gutter],.wb-edit-panel [aria-label="Add block"],.wb-edit-panel .nw-media-monitor{display:none!important}.wb-edit-panel [data-au-block-id]{padding:0!important;margin:0!important}.wb-edit-panel [contenteditable=true]{min-height:80px;border:1px solid #EBEAE4;border-radius:9px;padding:9px 11px!important;background:#fff;font:13px/1.5 var(--font-body);color:#2e2e34}.wb-edit-panel .sm-validation{margin:12px 18px}.wb-edit-panel .sm-add-screen{padding:0 18px}.wb-edit-panel .sm-add-screen .sm-screen-tools{display:flex;flex-wrap:wrap;gap:5px}.sm-device-host{width:100%;min-width:0}.sm-device-size{font-size:11px;color:#57534a;margin:0 0 10px}.sm-device{transition:none}.sm-workbench .sm-canvas{padding:12px}@media (max-width:1100px){.sm-root .sm-workbench.sm-mode-edit{grid-template-columns:210px minmax(0,1fr) 340px}}@media (max-width:700px){.sm-root .sm-workbench.sm-mode-edit{display:block}.sm-workbench.sm-mode-edit>.sm-right,.sm-workbench.sm-mode-edit>.sm-tree{position:static;max-height:none}.sm-workbench.sm-pane-preview>.sm-right,.sm-workbench.sm-pane-structure>.sm-right{display:none}.sm-workbench.sm-pane-inspector>.sm-right{display:block}}.sm-root .sm-workbench.sm-mode-edit>.sm-right{grid-column:auto}.sm-root .sm-tree .wb-screen-select{background:transparent;padding:0;min-height:0;border:0;border-radius:0;box-shadow:none;font-family:var(--font-body);color:inherit}.sm-root .sm-tree .sm-lesson-link{background:transparent;padding:6px 8px;font-family:var(--font-body);color:#2e2e34}.wb-edit-panel [contenteditable=true]{font-family:var(--font-body)!important;font-size:13px!important;line-height:1.5!important;color:#2e2e34!important;text-align:left!important;-webkit-hyphens:manual;hyphens:manual}.circuit-lesson{font:16px/1.5 Public Sans,sans-serif;color:#1a1814;min-width:0}.circuit-lesson *{box-sizing:border-box}.circuit-lesson button,.circuit-lesson input{font:inherit}.circuit-lesson button{cursor:pointer;touch-action:manipulation}.circuit-lesson button:disabled{cursor:default}.circuit-lesson :focus-visible{outline:3px solid #255bcc!important;outline-offset:3px}.circuit-lesson svg{max-width:100%}.circuit-lesson [role=button]:focus-visible{outline:3px solid #255bcc!important}.circuit-lesson fieldset{padding:0;margin:0;border:0;min-width:0}@media (prefers-reduced-motion:reduce){.circuit-lesson *{transition:none!important}}.circuit-lesson input:focus-visible{outline-offset:-4px}.sm-series-analysis{display:grid;gap:20px;min-width:0}.sm-series-legend{font-size:14px;line-height:1.6;color:var(--eu-text-2)}.sm-series-scroll{max-width:100%;overflow:auto;border:1px solid var(--eu-border-strong);border-radius:10px;background:#fff}.sm-series-scroll svg{display:block;width:100%;min-width:580px}.sm-series-svg-labels{font-family:var(--font-mono,monospace);font-size:23px;font-weight:700}.sm-series-table{width:100%;min-width:480px;border-collapse:collapse}.sm-series-table caption{text-align:left;font-weight:700;padding:12px}.sm-series-table th,.sm-series-table td{padding:12px 10px;border-bottom:1px solid #ded9cd;text-align:left;white-space:nowrap}.sm-series-table thead,.sm-series-table tr:last-child{background:var(--eu-page)}.sm-series-cell-label{display:block;font-size:11px;color:var(--eu-text-2)}.sm-series-active{box-shadow:inset 0 0 0 2px var(--eu-blue)}.sm-series-question{display:grid;gap:12px}.sm-series-question p{margin:0;line-height:1.6}.sm-series-question input{min-height:44px;width:140px;max-width:100%;font-size:18px;padding:8px;border:1px solid #777;border-radius:4px}.sm-series-question input[aria-invalid=true]{border:2px solid #b62c22}.sm-series-scroll:focus-visible{outline:3px solid var(--eu-blue);outline-offset:3px}.sm-learner .sm-safety .sm-safety-0{margin:0;font-size:17px;line-height:1.75;color:#33302a;max-width:65ch;text-wrap:pretty}.sm-learner .sm-safety .sm-safety-1{border:1px solid #E4DECF;border-radius:10px;overflow:hidden;background:#fff}.sm-learner .sm-safety .sm-safety-2{display:flex;justify-content:space-between;gap:8px;padding:9px 14px;border-bottom:1px solid #E4DECF;font:600 10.5px/1.2 Spline Sans Mono,monospace;letter-spacing:.08em;color:#57534a;text-transform:uppercase}.sm-learner .sm-safety .sm-safety-3{padding:16px 8px 8px}.sm-learner .sm-safety .sm-safety-4{position:relative;max-width:640px;margin:0 auto}.sm-learner .sm-safety .sm-safety-5{display:block;width:100%;height:auto}.sm-learner .sm-safety .sm-safety-6{position:absolute;transform:translate(-50%,-50%);width:44px;height:44px;border:0;background:transparent;padding:0;display:flex;align-items:center;justify-content:center}.sm-learner .sm-safety .sm-safety-7{width:22px;height:22px;border-radius:9999px;font:600 12px/18px Spline Sans Mono,monospace;text-align:center;box-shadow:0 0 0 3px #fff}.sm-learner .sm-safety .sm-safety-8{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,13rem),1fr));gap:1px;background:#e4decf;border-top:1px solid #E4DECF}.sm-learner .sm-safety .sm-safety-9{background:#fff}.sm-learner .sm-safety .sm-safety-10{border-radius:0;width:100%;height:100%;min-height:48px;display:flex;align-items:center;gap:10px;padding:8px 14px;border:0;text-align:left;color:#1a1814;font:400 15px Public Sans,sans-serif}.sm-learner .sm-safety .sm-safety-11{flex:none;width:22px;height:22px;border-radius:9999px;font:600 12px/18px Spline Sans Mono,monospace;text-align:center}.sm-learner .sm-safety .sm-safety-12{flex:1;min-width:0}.sm-learner .sm-safety .sm-safety-13{display:block;font-size:13px;color:#57534a}.sm-learner .sm-safety .sm-safety-14{background:#fff;min-height:48px}.sm-learner .sm-safety .sm-safety-15{border-top:1px solid #E4DECF;padding:14px 16px;display:flex;flex-direction:column;gap:12px}.sm-learner .sm-safety .sm-safety-16{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr));gap:1px;background:#e4decf;border:1px solid #E4DECF}.sm-learner .sm-safety .sm-safety-17{background:#fff;padding:10px 12px}.sm-learner .sm-safety .sm-safety-18{font:600 11px/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a}.sm-learner .sm-safety .sm-safety-19{margin:4px 0 0;line-height:1.5}.sm-learner .sm-safety .sm-safety-20{font:600 11px/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#b45309}.sm-learner .sm-safety .sm-safety-21{display:flex;flex-direction:column;gap:10px}.sm-learner .sm-safety .sm-safety-22{align-self:flex-start;font:600 11px/1.3 Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;border-radius:4px;padding:4px 8px;color:#0f4fbf;background:#e8f0fc}.sm-learner .sm-safety .sm-safety-23{margin:0;font-weight:700;line-height:1.5;text-wrap:pretty}.sm-learner .sm-safety .sm-safety-24{display:flex;flex-direction:column;gap:8px}.sm-learner .sm-safety .sm-safety-25{min-height:44px;padding:10px 12px;border-radius:8px;color:#1a1814;font:400 16px/1.4 Public Sans,sans-serif;text-align:left;display:flex;gap:10px;align-items:center;opacity:1}.sm-learner .sm-safety .sm-safety-26{flex:none;width:18px;height:18px;border-radius:9999px}.sm-learner .sm-safety .sm-safety-27{margin:0;line-height:1.55;padding:2px 0 2px 14px}.sm-learner .sm-safety .sm-safety-28{align-self:flex-start;min-height:44px;padding:0 16px;border:1.5px solid #0F4FBF;border-radius:6px;background:#fff;color:#0f4fbf;font:700 15px Public Sans,sans-serif}.sm-learner .sm-safety .sm-safety-29{margin:0;font-size:14px;color:#57534a}.sm-learner .sm-safety .sm-safety-30{border:1px solid #E9C9A6;border-radius:8px;background:#fbeee3;padding:14px 16px;display:flex;flex-direction:column;gap:6px}.sm-learner .sm-safety .sm-safety-31{font:600 11px/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a;color:#b45309}.sm-learner .sm-safety .sm-safety-32{margin:0;font-size:16px;line-height:1.65;color:#1a1814}.sm-learner .sm-safety .sm-safety-33{margin:0;border:1px solid #E4DECF;border-radius:10px;overflow:hidden;background:#fff}.sm-learner .sm-safety .sm-safety-34{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,16rem),1fr));max-width:720px;gap:1px;background:#e4decf}.sm-learner .sm-safety .sm-safety-35{background:#fff;padding:14px 16px}.sm-learner .sm-safety .sm-safety-36{margin:4px 0 0}.sm-learner .sm-safety .sm-safety-37{display:block;font:700 18px Saira,sans-serif}.sm-learner .sm-safety .sm-safety-38{font-size:15px;line-height:1.5;color:#33302a}.sm-learner .sm-safety .sm-safety-39{grid-column:1/-1;background:#f4f0e7;padding:14px 16px}.sm-learner .sm-safety .sm-safety-40{margin:0;padding:14px 18px;background:#1a1814;color:#fff;border-radius:8px;font:600 20px/1.35 Saira,sans-serif;text-wrap:balance}.sm-learner .sm-safety .sm-safety-41{margin:0;padding-left:24px;line-height:1.75;font-size:17px;color:#1a1814}.sm-learner .sm-safety .sm-safety-42{margin:10px 0}.sm-learner .sm-safety .sm-safety-43{border:1px solid #BBD4F7;border-radius:8px;overflow:hidden;background:#fff}.sm-learner .sm-safety .sm-safety-44{background:#0f4fbf;padding:8px 14px;font:600 11px/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a;color:#fff}.sm-learner .sm-safety .sm-safety-45{padding:14px 16px;display:flex;flex-direction:column;gap:12px}.sm-learner .sm-safety .sm-safety-46{margin:0;font-size:16px;line-height:1.65}.sm-learner .sm-safety .sm-safety-47{margin:0 0 6px;font-weight:700}.sm-learner .sm-safety .sm-safety-48{margin:0;padding-left:22px;line-height:1.7;font-size:16px}.sm-learner .sm-safety .sm-safety-49{aspect-ratio:640/250;display:grid;place-items:center;text-align:center;padding:24px;background:repeating-linear-gradient(135deg,#fff 0,#fff 10px,#f4f0e7 10px,#f4f0e7 11px)}.sm-learner .sm-safety .sm-safety-50{font:11px/1.7 Spline Sans Mono,monospace;color:#57534a;letter-spacing:.04em;max-width:46ch}.sm-learner .sm-safety .sm-safety-51{color:#1a1814}.sm-learner .sm-safety .sm-safety-52{display:none}.sm-learner .sm-safety .sm-safety-53{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,12rem),1fr));gap:1px;background:#e4decf}.sm-learner .sm-safety .sm-safety-54{border:1px solid #D6CFBC;border-radius:8px;background:#f4f0e7;padding:14px 16px;display:flex;flex-direction:column;gap:6px}.sm-learner .sm-safety .sm-safety-55{font:600 11px/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a}.sm-learner .sm-safety .sm-safety-56{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,11rem),1fr));gap:1px;background:#e4decf}.sm-learner .sm-safety .sm-safety-57{background:#f4f0e7;padding:14px 16px}.sm-learner .sm-safety .sm-safety-58{padding:14px;max-width:560px}.sm-learner .sm-safety .sm-safety-59{width:100%;aspect-ratio:16/9;display:block}.sm-learner .sm-safety .sm-safety-60{padding:10px 14px;border-top:1px solid #E4DECF;font-size:13px;line-height:1.5;color:#57534a}.sm-learner .sm-safety .sm-safety-61{width:100%;aspect-ratio:3/2;display:block}.sm-learner .sm-safety .sm-safety-62{margin:0;font:11px/1.6 Spline Sans Mono,monospace;color:#57534a}.sm-learner .sm-safety .sm-safety-63{padding:14px;display:flex;flex-direction:column;gap:6px;max-width:560px}.sm-learner .sm-safety .sm-safety-64{display:grid;grid-template-columns:64px 1fr;gap:8px;align-items:stretch}.sm-learner .sm-safety .sm-safety-65{font:600 9.5px/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a;align-self:center}.sm-learner .sm-safety .sm-safety-66{display:flex;gap:6px}.sm-learner .sm-safety .sm-safety-67{flex:1;min-height:48px;padding:6px 8px;border-radius:8px;font:700 13px/1.2 Saira,sans-serif;cursor:pointer;text-align:center}.sm-learner .sm-safety .sm-safety-68{margin-left:64px;padding-left:8px;color:#c8c2b4;font-size:14px;line-height:1}.sm-learner .sm-safety .sm-safety-69{border-top:1px solid #E4DECF;background:#f4f0e7;padding:14px;display:flex;flex-direction:column;gap:6px}.sm-learner .sm-safety .sm-safety-70{font:600 10.5px Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase}.sm-learner .sm-safety .sm-safety-71{font:700 19px/1.2 Saira,sans-serif}.sm-learner .sm-safety .sm-safety-72{margin:0;font-size:15px;line-height:1.55;color:#33302a}.sm-learner .sm-safety .sm-safety-73{margin:0;font-size:14px;line-height:1.5;color:#57534a}.sm-learner .sm-safety .sm-safety-74{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr));gap:1px;background:#e4decf}.sm-learner .sm-safety .sm-safety-75{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,11rem),1fr));max-width:720px;gap:1px;background:#e4decf}.sm-learner .sm-safety .sm-safety-76{margin:0;padding:16px 14px;list-style:none;display:flex;flex-direction:column;gap:10px;max-width:620px}.sm-learner .sm-safety .sm-safety-77{display:grid;grid-template-columns:36px minmax(0,1fr);gap:12px;align-items:start}.sm-learner .sm-safety .sm-safety-78{width:36px;height:36px;border-radius:50%;background:#1363df;color:#fff;display:grid;place-items:center;font:800 15px Saira,sans-serif}.sm-learner .sm-safety .sm-safety-79{display:block;font:700 16px Saira,sans-serif;line-height:1.3}.sm-learner .sm-safety .sm-safety-80{font-size:14.5px;line-height:1.55;color:#33302a}.sm-learner .sm-safety .sm-safety-81{padding:16px 14px;display:flex;flex-direction:column;gap:16px;max-width:560px}.sm-learner .sm-safety .sm-safety-82{margin:0;font-size:13px;line-height:1.5;color:#57534a}.sm-learner .sm-safety .sm-safety-83{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr));gap:12px}.sm-learner .sm-safety .sm-safety-84{border:1px solid #E4DECF;border-radius:8px;padding:12px 14px;display:flex;flex-direction:column;gap:8px}.sm-learner .sm-safety .sm-safety-85{font:600 10.5px/1.2 Spline Sans Mono,monospace;letter-spacing:.08em;color:#57534a;text-transform:uppercase}.sm-learner .sm-safety .sm-safety-86{display:flex;justify-content:space-between;gap:8px;font-size:14px}.sm-learner .sm-safety .sm-safety-87{font:700 15px Saira,sans-serif}.sm-learner .sm-safety .sm-safety-88{height:14px;background:#f4f0e7;border-radius:3px;overflow:hidden}.sm-learner .sm-safety .sm-safety-89{width:1%;height:100%;background:#1a1814;border-radius:3px;min-width:4px}.sm-learner .sm-safety .sm-safety-90{display:flex;justify-content:space-between;gap:8px;font-size:14px;align-items:baseline}.sm-learner .sm-safety .sm-safety-91{font:800 26px/1 Saira,sans-serif}.sm-learner .sm-safety .sm-safety-92{font-size:12.5px;line-height:1.45;color:#57534a}.sm-learner .sm-safety .sm-safety-93{border:1px solid #E9C9A6;border-radius:8px;padding:12px 14px;background:#fbeee3;display:flex;flex-direction:column;gap:8px}.sm-learner .sm-safety .sm-safety-94{font:600 10.5px/1.2 Spline Sans Mono,monospace;letter-spacing:.08em;color:#b45309;text-transform:uppercase}.sm-learner .sm-safety .sm-safety-95{font:700 15px Saira,sans-serif;color:#b45309}.sm-learner .sm-safety .sm-safety-96{height:14px;background:#f4e3c8;border-radius:3px;overflow:hidden}.sm-learner .sm-safety .sm-safety-97{width:100%;height:100%;background:#b45309;border-radius:3px}.sm-learner .sm-safety .sm-safety-98{font:800 26px/1 Saira,sans-serif;color:#b45309}.sm-learner .sm-safety .sm-safety-99{font-size:12px;color:#57534a}.sm-learner .sm-safety .sm-safety-100{padding:14px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:620px}.sm-learner .sm-safety .sm-safety-101{position:relative}.sm-learner .sm-safety .sm-safety-102{width:100%;aspect-ratio:3/4;display:block}.sm-learner .sm-safety .sm-safety-103{position:absolute;top:10px;right:10px;width:40px;height:40px;border-radius:50%;color:#fff;display:grid;place-items:center;font:800 22px/1 Saira,sans-serif;box-shadow:0 2px 6px #0000004d;pointer-events:none}.sm-learner .sm-safety .sm-safety-104{min-height:44px;border-radius:8px;font:700 14px Public Sans,sans-serif}.sm-learner .sm-safety .sm-safety-105{padding:0 14px 14px;display:flex;flex-direction:column;gap:10px;max-width:620px}.sm-learner .sm-safety .sm-safety-106{margin:0;padding:10px 12px;background:#f4f0e7;border-radius:0 6px 6px 0;font-size:14px;line-height:1.5}.sm-learner .sm-safety .sm-safety-107{display:flex;justify-content:space-between;align-items:center;gap:8px}.sm-learner .sm-safety .sm-safety-108{width:28px;height:6px;border-radius:3px}.sm-learner .sm-safety .sm-safety-109{min-height:44px;padding:0 18px;border:0;border-radius:8px;background:#1363df;color:#fff;font:700 14px Public Sans,sans-serif;cursor:pointer}.sm-learner .sm-safety .sm-safety-110{padding:14px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,18rem),1fr));gap:10px;max-width:720px}.sm-learner .sm-safety .sm-safety-111{display:grid;grid-template-columns:88px minmax(0,1fr);gap:12px;align-items:start;border:1px solid #E4DECF;border-radius:8px;padding:10px}.sm-learner .sm-safety .sm-safety-112{width:88px;height:88px;display:block}.sm-learner .sm-safety .sm-safety-113{display:block;font:600 11px/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a}.sm-learner .sm-safety .sm-safety-114{display:block;font:700 16px/1.3 Saira,sans-serif;margin-top:3px}.sm-learner .sm-safety .sm-safety-115{display:block;font-size:14px;line-height:1.5;color:#33302a;margin-top:3px}.sm-learner .sm-safety .sm-safety-116{margin:0;padding:16px 14px;list-style:none;display:flex;flex-direction:column;gap:8px;max-width:620px}.sm-learner .sm-safety .sm-safety-117{width:100%;display:grid;grid-template-columns:36px minmax(0,1fr) auto;gap:12px;align-items:center;text-align:left;min-height:52px;padding:8px 12px 8px 8px;border-radius:8px;font:inherit;color:#1a1814}.sm-learner .sm-safety .sm-safety-118{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font:800 15px Saira,sans-serif}.sm-learner .sm-safety .sm-safety-119{display:flex;flex-direction:column;gap:3px}.sm-learner .sm-safety .sm-safety-120{font:700 16px/1.3 Saira,sans-serif}.sm-learner .sm-safety .sm-safety-121{font:600 11px Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.sm-learner .sm-safety .sm-safety-122{width:36px;height:36px;border-radius:50%;background:#1a1814;color:#fff;display:grid;place-items:center;font:800 15px Saira,sans-serif}.sm-learner .sm-safety .sm-safety-123{width:36px;height:36px;border-radius:50%;background:#b45309;color:#fff;display:grid;place-items:center;font:800 15px Saira,sans-serif}.sm-learner .sm-safety .sm-safety-124{padding:14px;display:flex;flex-direction:column;gap:12px;max-width:720px}.sm-learner .sm-safety .sm-safety-125{margin:0;font-size:15px;line-height:1.6;color:#33302a}.sm-learner .sm-safety .sm-safety-126{position:relative;border-radius:6px;overflow:hidden}.sm-learner .sm-safety .sm-safety-127{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;overflow:hidden}.sm-learner .sm-safety .sm-safety-128{cursor:pointer;outline:none;transition:fill .15s}.sm-learner .sm-safety .sm-safety-129{position:absolute;bottom:7%;transform:translate(-50%);padding:4px 8px;border-radius:4px;color:#fff;font:700 10.5px Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;pointer-events:none}.sm-learner .sm-safety .sm-safety-130{border-radius:8px;padding:12px 14px;display:flex;flex-direction:column;gap:6px}.sm-learner .sm-safety .sm-safety-131{font:700 17px/1.3 Saira,sans-serif}.sm-learner .sm-safety .sm-safety-132{font-size:13px;line-height:1.5;color:#57534a}.sm-learner .sm-safety .sm-safety-133{margin:0;font-size:14px;color:#57534a}.sm-learner .sm-safety .sm-safety-134{margin:0;padding:16px 18px;font-size:16px;line-height:1.65;color:#1a1814;font-style:italic}.sm-learner .sm-safety .sm-safety-135{margin:0;padding:16px 14px;list-style:none;display:flex;flex-direction:column;gap:6px;max-width:620px}.sm-learner .sm-safety .sm-safety-136{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;align-items:center;padding:10px 12px;border-radius:6px;background:#edf5ef;border:1px solid #CFE6D8;margin-left:0%}.sm-learner .sm-safety .sm-safety-137{font:800 16px Saira,sans-serif;color:#2e7d52}.sm-learner .sm-safety .sm-safety-138{display:block;font:700 15px Saira,sans-serif}.sm-learner .sm-safety .sm-safety-139{font-size:13.5px;line-height:1.5;color:#33302a}.sm-learner .sm-safety .sm-safety-140{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;align-items:center;padding:10px 12px;border-radius:6px;background:#fff;border:1px solid #E4DECF;margin-left:4%}.sm-learner .sm-safety .sm-safety-141{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;align-items:center;padding:10px 12px;border-radius:6px;background:#fff;border:1px solid #E4DECF;margin-left:8%}.sm-learner .sm-safety .sm-safety-142{font:800 16px Saira,sans-serif;color:#1363df}.sm-learner .sm-safety .sm-safety-143{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;align-items:center;padding:10px 12px;border-radius:6px;background:#fff;border:1px solid #E4DECF;margin-left:12%}.sm-learner .sm-safety .sm-safety-144{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;align-items:center;padding:10px 12px;border-radius:6px;background:#fff;border:1px solid #E4DECF;margin-left:16%}.sm-learner .sm-safety .sm-safety-145{font:800 16px Saira,sans-serif;color:#b45309}.sm-learner .sm-safety .sm-safety-146{display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;align-items:center;padding:10px 12px;border-radius:6px;background:#fbeee3;border:1px solid #E9C9A6;margin-left:20%}.sm-learner .sm-safety .sm-safety-147{display:flex;justify-content:space-between;padding:0 14px 12px;font:600 10.5px Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;color:#57534a}.sm-learner .sm-safety .sm-safety-148{padding:12px 14px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr));gap:14px;max-width:720px;align-items:stretch}.sm-learner .sm-safety .sm-safety-149{width:100%;height:100%;min-height:220px;display:block}.sm-learner .sm-safety .sm-safety-150{display:flex;flex-direction:column;gap:6px;min-width:0}.sm-learner .sm-safety .sm-safety-151{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:9px 12px;border:1px solid #E4DECF;border-radius:6px;font-size:14px;line-height:1.4}.sm-learner .sm-safety .sm-safety-152{font:700 14px Saira,sans-serif}.sm-learner .sm-safety .sm-safety-153{color:#57534a}.sm-learner .sm-safety .sm-safety-154{font:800 16px Saira,sans-serif;white-space:nowrap}.sm-learner .sm-safety .sm-safety-155{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;align-items:center;padding:9px 12px;border:1px solid #E4DECF;border-radius:6px;font-size:14px;line-height:1.4}.sm-learner .sm-safety .sm-safety-156{font:700 14px Saira,sans-serif;white-space:nowrap}.sm-learner .sm-safety .sm-safety-157{display:flex;flex-direction:column;gap:6px}.sm-learner .sm-safety .sm-safety-158{width:100%;aspect-ratio:1;display:block}.sm-learner .sm-safety .sm-safety-159{font:600 11px Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#b3261e}.sm-learner .sm-safety .sm-safety-160{font:600 11px Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#2e7d52}.sm-learner .sm-safety .sm-safety-161{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,16rem),1fr));gap:14px;align-items:start}.sm-learner .sm-safety .sm-safety-162{width:100%;aspect-ratio:4/3;display:block}.sm-learner .sm-safety .sm-safety-163{display:flex;flex-wrap:wrap;gap:8px}.sm-learner .sm-safety .sm-safety-164{min-height:36px;padding:7px 12px;border-radius:999px;font:600 13.5px Public Sans,sans-serif;line-height:1.2;cursor:pointer}.sm-learner .sm-safety .sm-safety-165{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.sm-learner .sm-safety .sm-safety-166{display:flex;flex-direction:column;gap:8px;padding:8px;border-radius:10px;cursor:pointer;text-align:left;font:inherit;color:#1a1814}.sm-learner .sm-safety .sm-safety-167{position:relative;width:100%}.sm-learner .sm-safety .sm-safety-168{position:absolute;top:8px;right:8px;width:34px;height:34px;border-radius:50%;color:#fff;display:grid;place-items:center;font:800 19px/1 Saira,sans-serif;box-shadow:0 2px 6px #0000004d;pointer-events:none}.sm-learner .sm-safety .sm-safety-169{font-size:13px;line-height:1.4}.sm-learner .sm-safety .sm-safety-170{background:#0f4fbf;color:#fff;padding:8px 14px;font:600 11px/1.3 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase}.sm-learner .sm-safety .sm-safety-171{margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr));max-width:720px;gap:1px;background:#e4decf}.sm-learner .sm-safety .sm-safety-172{padding:14px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,10rem),1fr));gap:12px;max-width:720px}.sm-learner .sm-safety .sm-safety-173{border:1px solid #E4DECF;border-radius:8px;overflow:hidden;display:flex;flex-direction:column}.sm-learner .sm-safety .sm-safety-174{padding:12px 14px;display:flex;flex-direction:column;gap:6px}.sm-learner .sm-safety .sm-safety-175{font-size:14px;line-height:1.5;color:#33302a}.sm-learner .sm-safety .sm-safety-176{font:600 10.5px/1.4 Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a}.sm-learner .sm-safety .sm-safety-177{padding:14px;display:flex;flex-wrap:wrap;gap:8px;max-width:720px}.sm-learner .sm-safety .sm-safety-178{padding:8px 12px;border:1px solid #D6CFBC;border-radius:999px;background:#f4f0e7;font-size:14px;line-height:1.2}.sm-learner .sm-safety .sm-safety-179{font:800 15px Saira,sans-serif;white-space:nowrap}.sm-learner .sm-safety .sm-safety-180{display:grid;grid-template-columns:96px minmax(0,1fr);gap:12px;align-items:start;border:1px solid #E4DECF;border-radius:8px;padding:10px}.sm-learner .sm-safety .sm-safety-181{width:96px;height:96px;display:block}.sm-learner .sm-safety .sm-safety-182{border-radius:6px;overflow:hidden;border:1px solid #E4DECF;background:linear-gradient(90deg,#fbeae8,#fbeee3,#fbf6e3 60%,#edf5ef);padding:14px 10px 10px;display:flex;flex-direction:column;gap:12px}.sm-learner .sm-safety .sm-safety-183{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;align-items:end}.sm-learner .sm-safety .sm-safety-184{display:flex;flex-direction:column;align-items:center;gap:10px;min-width:0}.sm-learner .sm-safety .sm-safety-185{text-align:center;font:600 10px/1.3 Spline Sans Mono,monospace;letter-spacing:.05em;text-transform:uppercase;color:#57534a}.sm-learner .sm-safety .sm-safety-186{min-height:44px;width:100%;max-width:120px;padding:0 8px;border:0;border-radius:999px;color:#fff;font:800 14px Saira,sans-serif;cursor:pointer;box-shadow:0 2px 6px #00000040}.sm-learner .sm-safety .sm-safety-187{height:3px;background:#1a1814;opacity:.25;border-radius:2px}.sm-learner .sm-safety .sm-safety-188{display:flex;justify-content:space-between;font:600 10px Spline Sans Mono,monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a}.sm-learner .sm-safety .sm-safety-189{width:36px;height:36px;border-radius:50%;background:#2e7d52;color:#fff;display:grid;place-items:center;font:800 15px Saira,sans-serif}.sm-learner .sm-safety .sm-safety-190{display:flex;flex-direction:column;gap:10px;border-top:1px solid #E4DECF;padding-top:16px}.sm-learner .sm-safety .sm-safety-191{align-self:flex-start;font:600 11px/1.3 Spline Sans Mono,monospace;letter-spacing:.08em;text-transform:uppercase;border-radius:4px;padding:4px 8px}.sm-learner .sm-safety .sm-safety-192{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.sm-learner .sm-safety .sm-safety-193{min-height:48px;padding:0 20px;border:2px solid #1A1814;border-radius:6px;background:#fff;color:#1a1814;font:700 16px Public Sans,sans-serif}.sm-learner .sm-safety .sm-safety-194{margin:0;color:#b45309;font-weight:700}.sm-learner .sm-safety .sm-safety-195{min-height:48px;padding:0 18px;border:1px solid #D6CFBC;border-radius:6px;background:#fff;color:#1a1814;font:700 16px Public Sans,sans-serif}.sm-safety{display:flex;flex-direction:column;gap:18px;min-width:0;color:#1a1814;font:400 17px/1.75 Public Sans,sans-serif}.sm-safety *{box-sizing:border-box}.sm-safety :is(button,input):focus-visible{outline:3px solid #1363df;outline-offset:3px}.sm-safety button{white-space:normal;max-width:100%}.sm-safety svg{max-width:100%;height:auto}.sm-safety-placeholder{display:grid;place-content:center;gap:8px;padding:24px;border:1px dashed #b8ad92;background:#f4f0e7;color:#57534a;min-height:140px;text-align:center;font-size:14px;line-height:1.5}.sm-safety-placeholder strong{font:600 11px Spline Sans Mono,monospace;text-transform:uppercase}.sm-safety-image img{width:100%;height:auto;object-fit:contain}.sm-safety figure{max-width:100%}.sm-safety [role=status]{font-size:14px}@media (max-width:600px){.sm-safety{font-size:16px}.sm-safety figure{overflow-x:auto}}.sm-learner .sm-safety{gap:16px;font:400 16px/1.6 Public Sans,system-ui,sans-serif}.sm-learner .sm-safety-read .sm-safety{gap:18px}.sm-learner.sm-safety-lesson .sm-learning-card{gap:16px;padding:28px;border:1px solid #e4decf;border-radius:10px}.sm-learner.sm-safety-lesson .sm-safety-read .sm-learning-card{padding:0;border:0;background:transparent;gap:18px}.sm-safety-meta{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;color:#1363df;font:600 12px Spline Sans Mono,monospace;letter-spacing:.1em;text-transform:uppercase}.sm-safety-meta>span:last-child{font-size:11px;color:#57534a;letter-spacing:.08em}.sm-learner.sm-safety-lesson .sm-continue{align-self:flex-start;width:auto;min-height:44px;margin:0;padding:0 16px;border:1px solid #1363df;border-radius:6px;font:700 15px/1.3 Public Sans,sans-serif}.sm-safety .sm-safety-slot{display:block;position:relative;width:100%;height:100%;aspect-ratio:3/2;min-width:0;font:13px/1.3 system-ui,-apple-system,sans-serif}.sm-safety-slot-empty,.sm-safety-slot>.sm-safety-image{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;border-radius:var(--safety-slot-radius,6px)}.sm-safety-slot-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:12px;text-align:center;background:#7f7f7f14;border:1.5px dashed #b5b2ac;color:#57534a}.sm-safety-slot-empty strong{font:500 11px/1.3 system-ui,-apple-system,sans-serif}.sm-safety-slot-empty span{max-width:90%;font:500 13px/1.3 system-ui,-apple-system,sans-serif}.sm-safety-slot .sm-safety-image img{width:100%;height:100%;object-fit:var(--safety-slot-fit,cover)}.sm-safety-slot .sm-safety-image>div,.sm-safety-slot .sm-safety-image figure{width:100%;height:100%;margin:0}.sm-safety path[role=button]:focus-visible{outline:3px solid #1363df!important;outline-offset:2px}.sm-safety-planned{width:100%;aspect-ratio:16/9;border:2px dashed #b45309;border-radius:8px;background:repeating-linear-gradient(135deg,#fff 0,#fff 12px,#fbeee3 12px,#fbeee3 13px);display:grid;place-items:center;padding:24px;text-align:center}.sm-safety-planned>div{max-width:44ch}.sm-safety-planned>div>div{font:600 11px Spline Sans Mono,monospace;color:#b45309;letter-spacing:.08em;text-transform:uppercase}.sm-safety-planned strong{display:block;font:700 15px Public Sans,sans-serif;color:#1a1814;margin-top:10px}.sm-safety-planned p{font:12px/1.6 Public Sans,sans-serif;color:#57534a;margin:8px 0 0}.sm-safety-video-status{font:14px/1.5 Public Sans,sans-serif;color:#57534a;margin:0}.sm-safety-review-nav{display:flex;flex-wrap:wrap;gap:16px;padding:12px 20px;border-bottom:1px solid #ddd9cf;background:#faf7f0}.sm-safety-review-nav label{display:flex;flex:1 1 260px;min-width:0;flex-direction:column;gap:4px;font-size:12px}.sm-safety-review-nav select{max-width:100%;min-height:44px;padding:8px;background:#fff;border:1px solid #d6cfbc;border-radius:6px;font:14px Public Sans,sans-serif}@container (max-width:900px){.sm-learner.sm-safety-lesson .sm-learning-card{padding:clamp(16px,4.5cqw,28px)}}.sm-safety-heading{display:flex;flex-direction:column;gap:12px;margin-bottom:8px}.sm-safety-heading p{margin:0;font:12px Spline Sans Mono,monospace;text-transform:uppercase;letter-spacing:.1em;color:#57534a}.sm-learner .sm-safety-heading h1{font:800 clamp(28px,6cqw,40px)/1.12 "Saira",sans-serif;letter-spacing:-.01em;margin:0;text-wrap:balance}.sm-learner.sm-safety-lesson .sm-lesson-layout>main{padding-top:28px;padding-bottom:72px;gap:32px}.sm-safety-heading{margin-bottom:0}@container (max-width:900px){.sm-learner.sm-safety-lesson .sm-lesson-layout>main{padding-top:24px;padding-bottom:56px;gap:24px}}.sm-safety-lab .sm-sb-0{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.sm-safety-lab .sm-sb-1{transition:x .18s}.sm-safety-lab .sm-sb-2{cursor:pointer}.sm-safety-lab .sm-sb-3{transition:transform .18s}.sm-safety-lab .sm-sb-4{transition:fill .18s}.sm-safety-lab .sm-sb-5{position:absolute;left:6%;top:16.5%;width:19%;text-align:center;white-space:nowrap;font:600 max(10px,1.1cqw) "Spline Sans Mono",monospace;letter-spacing:.06em;text-transform:uppercase;pointer-events:none}.sm-safety-lab .sm-sb-6{position:absolute;top:3%;right:2.5%;width:max-content;max-width:40%;background:#fff;border:1px solid #e4decf;border-radius:8px;padding:max(6px,1.1cqw) max(7px,1.1cqw);box-shadow:0 4px 14px #0000000f;display:flex;flex-direction:column;gap:max(2px,.5cqw)}.sm-safety-lab .sm-sb-7{font:600 max(10px,1.05cqw) "Spline Sans Mono",monospace;letter-spacing:.06em;text-transform:uppercase;color:#57534a}.sm-safety-lab .sm-sb-8{display:flex;align-items:center;gap:max(7px,.8cqw)}.sm-safety-lab .sm-sb-9{display:flex;gap:3px}.sm-safety-lab .sm-sb-10{width:max(9px,1.2cqw);height:max(9px,1.2cqw);border-radius:2px;border:1px solid #8a8378}.sm-safety-lab .sm-sb-11{font-size:max(11px,1.3cqw);font-weight:600;white-space:nowrap;line-height:1.25}.sm-safety-lab .sm-sb-12{position:absolute;left:82%;top:81%;width:17%;text-align:center;font:600 max(11px,1.3cqw) "Public Sans",sans-serif;line-height:1.3;color:#3a3630;pointer-events:none}.sm-safety-lab .sm-sb-13{position:absolute;width:8%;aspect-ratio:600/1275;cursor:grab;touch-action:none;filter:drop-shadow(0 6px 8px rgba(0,0,0,.3))}.sm-safety-lab .sm-sb-14{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;pointer-events:none;-webkit-user-select:none;user-select:none}.sm-safety-lab .sm-sb-15{position:absolute;width:10.4%;aspect-ratio:440/525;cursor:grab;touch-action:none;transition:opacity .15s;filter:drop-shadow(0 10px 12px rgba(0,0,0,.35))}.sm-safety-lab .sm-sb-16{position:absolute;left:14%;top:54%;width:25%;height:42%;border-radius:6px;background:#6e1e00d9;transition:opacity .25s}.sm-safety-lab .sm-sb-17{position:absolute;left:14.1%;top:54.3%;width:25%;height:41.9%;display:block;pointer-events:none;-webkit-user-select:none;user-select:none;transition:opacity .25s}.sm-safety-lab .sm-sb-18{position:absolute;left:43%;top:54%;width:20%;height:42%;border-radius:6px;background:#6e1e00d9;transition:opacity .25s}.sm-safety-lab .sm-sb-19{position:absolute;left:68%;top:54%;width:25%;height:42%;border-radius:6px;background:#6e1e00d9;transition:opacity .25s}.sm-safety-lab .sm-sb-20{position:absolute;left:83%;top:62%;min-height:max(32px,4cqw);padding:0 1.4cqw;border:0;border-radius:6px;background:#1363df;color:#fff;font:700 max(11px,1.4cqw) "Public Sans",sans-serif;cursor:pointer;box-shadow:0 4px 12px #0000002e}.sm-safety-lab .sm-sb-21{position:absolute;left:83%;top:71%;max-width:15%;font-size:max(11px,1.3cqw);line-height:1.3;font-weight:600;color:#2e7d32}.sm-safety-lab .sm-sb-22{position:absolute;left:84%;top:86%;width:16%;text-align:center;font:600 max(11px,1.3cqw) "Public Sans",sans-serif;line-height:1.3;color:#3a3630;pointer-events:none}.sm-safety-lab .sm-sb-23{position:absolute;width:4.4%;aspect-ratio:200/1083;cursor:grab;touch-action:none;filter:drop-shadow(0 6px 8px rgba(0,0,0,.3))}.sm-safety-lab .sm-sb-24{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;pointer-events:none;-webkit-user-select:none;user-select:none;transition:opacity .12s}.sm-learner.sm-safety-board-lesson .sm-lesson-layout{display:block}.sm-learner.sm-safety-board-lesson .sm-lesson-outline{display:none}.sm-learner.sm-safety-board-lesson .sm-lesson-outline[data-open=true]{display:flex;position:static}.sm-learner.sm-safety-board-lesson .sm-lesson-layout>main{max-width:1280px;padding:28px 24px 60px}.sm-learner.sm-safety-board-lesson .sm-learning-card{border:0;padding:0;background:transparent}.sm-learner.sm-safety-board-lesson .sm-learning-card>h2{font:700 34px/1.15 Saira,sans-serif;margin:0 0 18px}.sm-learner.sm-safety-board-lesson main>h1{display:none}.sm-safety-lab{display:flex;flex-direction:column;gap:18px;font:400 17px/1.6 Public Sans,sans-serif;color:#1a1814}.sm-safety-lab *{box-sizing:border-box}.sm-safety-lab :is(button,[role=button],summary):focus-visible{outline:3px solid #1363df;outline-offset:3px}.sm-safety-lab .sb-intro{margin:0;max-width:70ch;color:#33302a;text-wrap:pretty}.sm-safety-lab .sb-teaching{font-size:13px;line-height:1.6;border-left:3px solid #b45309;padding:8px 12px;background:#fff6e8;margin:0;max-width:100ch}.sm-safety-lab .sb-grid{display:grid;grid-template-columns:minmax(0,2.4fr) minmax(200px,1fr);gap:20px;align-items:start}.sm-safety-lab .sb-bench-column{min-width:0;display:flex;flex-direction:column;gap:10px}.sm-safety-lab .sm-safety-board{position:relative;width:100%;aspect-ratio:16/10;background:#f4f1ea;border:1px solid #e4decf;border-radius:10px;overflow:hidden;container-type:inline-size}.sm-safety-lab .sm-safety-board svg{max-width:100%;display:block}.sm-safety-lab .sb-steps{background:#fff;border:1px solid #e4decf;border-radius:10px;padding:16px;display:flex;flex-direction:column;gap:6px;position:sticky;top:16px}.sm-safety-lab .sb-steps>header{display:flex;justify-content:space-between;align-items:center;font:600 11px Spline Sans Mono,monospace;letter-spacing:.1em;text-transform:uppercase;color:#57534a;padding-bottom:8px;border-bottom:1px solid #e4decf}.sm-safety-lab .sb-step{display:flex;gap:10px;padding:8px 0;border-bottom:1px solid #f0ebe0}.sm-safety-lab .sb-step[data-state=upcoming]{opacity:.45}.sm-safety-lab .sb-step>div{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}.sm-safety-lab .sb-badge{flex:none;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font:700 11px Spline Sans Mono,monospace;background:#fff;color:#57534a;border:1px solid #d6cfbc}.sm-safety-lab .sb-step[data-state=current]>.sb-badge{background:#1363df;border-color:#1363df;color:#fff}.sm-safety-lab .sb-step[data-state=done]>.sb-badge{background:#2e7d32;border-color:#2e7d32;color:#fff}.sm-safety-lab .sb-step-text{font-size:14px;line-height:1.5;text-wrap:pretty}.sm-safety-lab .sb-step[data-state=current] .sb-step-text{font-weight:700}.sm-safety-lab .sb-hint{margin:0;font-size:12.5px;line-height:1.45;color:#57534a}.sm-safety-lab .sb-options{display:flex;flex-direction:column;gap:6px}.sm-safety-lab .sb-options button{min-height:40px;text-align:left;padding:8px 12px;border-radius:8px;border:1px solid #d6cfbc;background:#fff;color:#1a1814;font:600 13.5px Public Sans,sans-serif;cursor:pointer;white-space:normal}.sm-safety-lab .sb-options button:disabled{background:#f4f1ea;cursor:default}.sm-safety-lab .sb-options button[data-wrong=true]{border-color:#b45309;background:#fbeee3}.sm-safety-lab .sb-feedback{margin:0;font-size:13px;line-height:1.5;border-left:3px solid #b45309;padding:2px 0 2px 10px}.sm-safety-lab .sb-success{margin:8px 0 0;padding:14px;border-radius:8px;background:#e9f3ea;border:1px solid #b9d9bd;font-size:14px;line-height:1.5;font-weight:600;color:#1f5d26}.sm-safety-lab .sb-readout{font:500 12px/1.6 Spline Sans Mono,monospace;color:#57534a;min-height:20px}.sm-safety-lab .sb-readout span{display:block}.sm-safety-lab .sb-access{font-size:13px;background:#fff;border:1px solid #e4decf;border-radius:8px;padding:8px 12px}.sm-safety-lab .sb-access summary{min-height:32px;cursor:pointer;line-height:32px}.sm-safety-lab .sb-access>div{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}.sm-safety-lab .sb-access button{min-height:44px;padding:7px 10px;background:#fff;border:1px solid #d6cfbc;border-radius:6px;white-space:normal;font:600 12px Public Sans,sans-serif}.sm-safety-lab .sb-asset-pending{font-size:12px;line-height:1.5;margin:0;border:1px dashed #b45309;border-radius:6px;padding:10px;color:#57534a}@container (max-width:760px){.sm-safety-lab .sb-grid{grid-template-columns:minmax(0,1fr)}.sm-safety-lab .sb-steps{position:static}.sm-learner.sm-safety-board-lesson .sm-lesson-layout>main{padding:20px 12px}.sm-safety-lab .sm-safety-board{min-width:0}}@media (prefers-reduced-motion:reduce){.sm-safety-lab *{transition:none!important}}.sm-safety-lab .sb-phone-legend,.sm-safety-lab .sb-phone-repair,.sm-safety-lab .sb-phone-instruction{display:none}.sm-safety-lab .sm-safety-board button:disabled{opacity:.55;cursor:default}@container (max-width:480px){.sm-safety-lab :is(.sm-sb-6,.sm-sb-12,.sm-sb-20,.sm-sb-21,.sm-sb-22){display:none}.sm-safety-lab .sb-phone-legend{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:#fff;border:1px solid #e4decf;border-radius:8px;padding:10px;font-size:11px}.sm-safety-lab .sb-phone-legend strong,.sm-safety-lab .sb-phone-legend small{grid-column:1 / -1}.sm-safety-lab .sb-phone-legend span{font:600 12px Spline Sans Mono,monospace;margin-right:6px}.sm-safety-lab .sb-phone-repair{display:block;min-height:44px;background:#1363df;color:#fff;border:0;border-radius:6px;padding:8px;font-weight:700}.sm-safety-lab .sb-phone-repair:disabled{opacity:.55}.sm-safety-lab .sb-phone-instruction{display:block;font-size:12px;margin:0;color:#57534a}}.sm-screen-editor{min-width:0}.sm-screen-tools,.sm-region-tools{display:flex;flex-wrap:wrap;align-items:center;gap:6px}.sm-screen-tools{margin:8px 0 12px}.sm-screen-tools button,.sm-region-tools button,.sm-inline-title button{font:600 12px var(--font-body,sans-serif);padding:7px 10px;border:1px solid #ded9ce;border-radius:6px;background:#fff;color:#28548a;cursor:pointer;min-height:36px}.sm-screen-tools button:disabled,.sm-region-tools button:disabled{opacity:.5;cursor:default}.sm-edit-region{position:relative;min-width:0;border:1px solid transparent;border-radius:8px;padding:8px}.sm-edit-region:hover,.sm-edit-region:focus-within,.sm-edit-region[data-editing=true]{border-color:#e0cdb9}.sm-region-tools{margin-bottom:8px}.sm-inline-tools{margin:8px 0 16px;padding:12px;background:#fbfaf7;border:1px solid #e0cdb9;border-radius:8px;min-width:0}.sm-inline-tools legend{font-size:14px}.sm-edit-title{font:inherit!important;color:inherit!important;background:transparent!important;border:0!important;padding:0!important;text-align:left;cursor:text;line-height:inherit!important;white-space:normal;overflow-wrap:anywhere}.sm-edit-title span{font:14px sans-serif;color:#8f4f2a}.sm-inline-title{display:flex;gap:8px;flex-wrap:wrap}.sm-inline-title input{font:inherit;width:100%;min-width:0;background:#fff;border:1px solid #e0cdb9;border-radius:6px;padding:8px;box-sizing:border-box}.sm-add-screen{padding:12px 18px;border-top:1px solid #ebeae4}.sm-add-screen span{width:100%;font-size:12px;color:#5b5b64}.sm-mode-edit .sm-learning-card:has(.sm-screen-editor){border:1px solid #e4decf;border-radius:10px;padding:20px}.sm-screen-editor .copper-prose-field textarea{font-size:16px;line-height:1.75;min-height:200px}@container (max-width:640px){.sm-mode-edit .sm-learning-card:has(.sm-screen-editor){padding:12px}.sm-edit-region{padding:4px}.sm-inline-tools{padding:8px}.sm-inline-tools input,.sm-inline-tools textarea{font-size:16px}}.sm-calculation-settings{margin-bottom:16px;padding:12px;border:1px solid #e0cdb9;border-radius:8px;background:#fbfaf7}.sm-calculation-settings summary{cursor:pointer;font-weight:600}.sm-calculation-settings fieldset{border:0;padding:8px 0;min-width:0;display:grid;gap:12px}.sm-calculation-settings input,.sm-calculation-settings select,.sm-calculation-settings textarea{max-width:100%;box-sizing:border-box}@font-face{font-family:Public Sans;font-style:normal;font-weight:400;font-display:swap;src:url(/assets/public-sans-CcEC6YbM.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Public Sans;font-style:normal;font-weight:600;font-display:swap;src:url(/assets/public-sans-CcEC6YbM.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Public Sans;font-style:normal;font-weight:700;font-display:swap;src:url(/assets/public-sans-CcEC6YbM.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Saira;font-style:normal;font-weight:500;font-stretch:100%;font-display:swap;src:url(/assets/saira-COc4NPG5.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Saira;font-style:normal;font-weight:600;font-stretch:100%;font-display:swap;src:url(/assets/saira-COc4NPG5.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Saira;font-style:normal;font-weight:700;font-stretch:100%;font-display:swap;src:url(/assets/saira-COc4NPG5.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Saira;font-style:normal;font-weight:800;font-stretch:100%;font-display:swap;src:url(/assets/saira-COc4NPG5.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:400;font-display:swap;src:url(/assets/spline-sans-mono-D0r3akmg.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:500;font-display:swap;src:url(/assets/spline-sans-mono-D0r3akmg.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:600;font-display:swap;src:url(/assets/spline-sans-mono-D0r3akmg.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}.gb-root{height:100%;overflow:auto;background:var(--paper);color:var(--ink);font:400 13px/1.5 var(--font-display)}.gb-root h1,.gb-root h2,.gb-root h3{font-family:var(--font-display);font-weight:600;line-height:1.2;letter-spacing:-.02em}.gb-root h1{font-size:25px;margin:8px 0}.gb-root h2{font-size:20px}.gb-root h3{font-size:15.5px;margin:8px 0}.gb-root p{line-height:1.55}.gb-root small,.gb-root p{color:var(--ink-2)}.gb-root small{font-family:var(--font-mono);font-size:11.5px}.gb-root button,.gb-root input,.gb-root select,.gb-root textarea{font:400 12.5px/1.45 var(--font-display);min-height:44px;min-width:44px;border:1px solid var(--copper-border);border-radius:8px;padding:10px 14px;background:var(--surface);color:var(--ink);max-width:100%}.gb-root button{font-weight:600;cursor:pointer}.gb-root label,.gb-root summary{font-weight:500}.gb-programbar>span{font:11.5px/1.5 var(--font-mono)}.gb-root button:disabled{opacity:.5;cursor:not-allowed}.gb-root :focus-visible{outline:3px solid var(--copper-deep);outline-offset:3px}.gb-header{display:flex;justify-content:space-between;gap:20px;padding:24px 32px;border-bottom:1px solid var(--line)}.gb-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.gb-programbar{padding:16px 32px;display:flex;gap:16px;align-items:center;flex-wrap:wrap;border-bottom:1px solid var(--line)}.gb-layout{display:grid;grid-template-columns:280px minmax(0,1fr);min-height:60vh}.gb-weeks{padding:20px;border-right:1px solid var(--line)}.gb-weeks>button{width:100%;text-align:left;display:flex;flex-wrap:wrap;gap:10px;margin:8px 0}.gb-weeks small{width:100%;padding-left:28px}.gb-weeks [aria-current=true]{background:var(--copper-soft);border-color:var(--copper-deep)}.gb-week{padding:32px;min-width:0}.gb-lessons{list-style:none;padding:0}.gb-lessons li{border:1px solid var(--line);border-radius:12px;padding:20px;margin:16px 0;background:var(--surface);overflow-wrap:anywhere}.gb-lessons .gb-actions{margin-top:16px}.gb-root summary{cursor:pointer;padding:10px 0;min-height:44px}.gb-empty,.gb-delivery,.gb-notice{margin:20px 32px;padding:24px;border:1px solid var(--copper-border);border-radius:12px;background:var(--surface)}.gb-notice{border-color:var(--clay-deep)}.gb-compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}.gb-root pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:300px;overflow:auto;font:12px var(--font-mono)}.gb-add{padding:24px 0;max-width:650px}.gb-add label{display:block;margin:16px 0}.gb-add label input:not([type=checkbox]),.gb-add textarea,.gb-add select{display:block;width:100%;margin-top:8px}.gb-add textarea{min-height:100px}.gb-back{display:none}@media (max-width:767px){.gb-header{padding:20px;display:block}.gb-header .gb-actions{margin-top:16px}.gb-programbar{padding:16px}.gb-layout{display:block}.gb-week{display:none;padding:20px}.gb-show-week .gb-week{display:block}.gb-show-week .gb-weeks{display:none}.gb-back{display:block;margin-bottom:24px}.gb-empty,.gb-notice,.gb-delivery{margin:16px;padding:16px}.gb-compare{display:block}.gb-lessons li{padding:16px}}@media (prefers-reduced-motion:reduce){.gb-root *{animation:none!important;transition:none!important}}.gb-forge{width:min(760px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow:auto;padding:24px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:12px;box-sizing:border-box;overflow-wrap:anywhere}.gb-forge::backdrop{background:#0000008c}.gb-forge header{display:flex;gap:16px;justify-content:space-between;align-items:start}.gb-forge h2{margin:8px 0}.gb-forge nav{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.gb-forge label{display:block;margin:16px 0}.gb-forge label input:not([type=checkbox]),.gb-forge textarea,.gb-forge select{display:block;width:100%;box-sizing:border-box;margin-top:8px}.gb-forge textarea{min-height:100px}.gb-forge .gb-check{display:flex;align-items:center;gap:12px}.gb-forge .gb-notice{margin:16px 0;padding:12px}.gb-forge section>button{margin:8px 8px 0 0}.gb-source-list{list-style:none;padding:0}.gb-source-list li{padding:12px 0;border-bottom:1px solid var(--line)}.gb-source-list button{width:100%;text-align:left;display:grid;gap:8px}.gb-source-list [aria-pressed=true]{border-color:var(--copper-deep);background:var(--copper-soft)}.gb-source-excerpt{white-space:pre-wrap}.gb-source-list button:disabled{opacity:1;color:var(--ink-2)}@media (max-width:767px){.gb-forge{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;margin:0;padding:20px 16px;padding-bottom:max(20px,env(safe-area-inset-bottom));border-radius:0;border:0}.gb-forge header{gap:8px}.gb-forge nav button{flex:1}}.gb-selected-sources{padding:0;list-style:none}.gb-selected-sources li{display:flex;align-items:center;gap:12px;margin:8px 0;padding:8px;border:1px solid var(--line);border-radius:8px}.gb-selected-sources span{flex:1;min-width:0}.gb-forge header>button{flex-shrink:0;white-space:nowrap}.gb-forge header>div{min-width:0}.wb-add-screen{width:100%;margin-top:4px;border:1px dashed #DED9CE;background:#fbfaf7;border-radius:9px;padding:9px 0;cursor:pointer;font:600 12px Space Grotesk,system-ui,sans-serif;color:#8f4f2a}.wb-screen-recovery,.wb-structure-error,.wb-empty-structure{flex-shrink:0;margin:0;padding:12px 16px;border-bottom:1px solid #EBEAE4;background:#fbfaf7;color:#5b5b64;font:400 12.5px/1.5 Space Grotesk,system-ui,sans-serif}.wb-screen-recovery{max-height:220px;overflow:auto}.wb-screen-recovery summary{cursor:pointer;font-weight:600;color:#8f4f2a}.wb-screen-recovery p{margin:8px 0}.wb-recovery-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 0}.wb-recovery-row span{overflow-wrap:anywhere;min-width:0}.wb-empty-structure button{margin-right:8px}.wb-remove-screen-dialog{box-sizing:border-box;width:min(472px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow:auto;padding:22px 24px;border:1px solid #EBEAE4;border-radius:18px;background:#fff;color:#5b5b64;box-shadow:0 24px 60px #17171b47;font:400 12.5px/1.5 Space Grotesk,system-ui,sans-serif}.wb-remove-screen-dialog::backdrop{background:#17171b47}.wb-remove-screen-dialog h2{margin:0 0 12px;color:#17171b;font-size:20px;font-weight:600;letter-spacing:-.02em}.wb-remove-screen-dialog p{overflow-wrap:anywhere}.wb-remove-actions{display:flex;gap:10px;margin-top:20px}.wb-remove-actions button{flex:1;border:1px solid #EBEAE4;background:#fff;color:#5b5b64;border-radius:10px;padding:11px;cursor:pointer;font:600 13px Space Grotesk,system-ui,sans-serif}.wb-remove-actions .wb-confirm-remove{border-color:#e7c7bc;color:#9a3f2c;background:#9a3f2c0d}.wb-add-screen:focus-visible,.wb-remove-actions button:focus-visible,.wb-screen-recovery summary:focus-visible{outline:2px solid #B5683A;outline-offset:2px}.wb-structure-error{color:#9a3f2c}@font-face{font-family:Public Sans;font-style:normal;font-weight:400;font-display:swap;src:url(/assets/public-sans-CcEC6YbM.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Public Sans;font-style:normal;font-weight:600;font-display:swap;src:url(/assets/public-sans-CcEC6YbM.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Public Sans;font-style:normal;font-weight:700;font-display:swap;src:url(/assets/public-sans-CcEC6YbM.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Saira;font-style:normal;font-weight:500;font-stretch:100%;font-display:swap;src:url(/assets/saira-COc4NPG5.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Saira;font-style:normal;font-weight:600;font-stretch:100%;font-display:swap;src:url(/assets/saira-COc4NPG5.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Saira;font-style:normal;font-weight:700;font-stretch:100%;font-display:swap;src:url(/assets/saira-COc4NPG5.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Saira;font-style:normal;font-weight:800;font-stretch:100%;font-display:swap;src:url(/assets/saira-COc4NPG5.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:400;font-display:swap;src:url(/assets/spline-sans-mono-D0r3akmg.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:500;font-display:swap;src:url(/assets/spline-sans-mono-D0r3akmg.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Spline Sans Mono;font-style:normal;font-weight:600;font-display:swap;src:url(/assets/spline-sans-mono-D0r3akmg.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}.eu-kit,.sm-learner{--eu-page:#FAF7F0;--eu-card:#FFFFFF;--eu-muted:#F4F0E7;--eu-muted-2:#F4F0E7;--eu-text:#1A1814;--eu-text-2:#57534A;--eu-faint:#8A857A;--eu-border:#E4DECF;--eu-border-strong:#D6CFBC;--eu-hairline:#D6CFBC;--eu-blue:#1363DF;--eu-blue-deep:#0F4FBF;--eu-blue-soft:#E8F0FC;--eu-blue-line:#BBD4F7;--eu-navy:#1A1814;--eu-navy-soft:#F4F0E7;--eu-green:#2E7D52;--eu-green-soft:#EDF5EF;--eu-green-line:#CFE6D8;--eu-green-deep:#2E7D52;--eu-amber:#B45309;--eu-amber-soft:#FBEEE3;--eu-amber-line:#E4DECF;--eu-track:#E4DECF;--eu-sans:"Public Sans",system-ui,sans-serif;--eu-mono:"Spline Sans Mono",monospace;--eu-display:"Saira",sans-serif;--eu-focus:#1363DF;--eu-on-brand:#FFFFFF;font-family:var(--eu-sans);color:var(--eu-text)}.dark .eu-kit,.eu-kit.dark{--eu-page:#14130F;--eu-card:#1E1C16;--eu-muted:#2A2720;--eu-muted-2:#2A2720;--eu-text:#F5F1E8;--eu-text-2:#B8B2A4;--eu-faint:#837D70;--eu-border:#38342B;--eu-border-strong:#4A463B;--eu-hairline:#4A463B;--eu-blue:#4D8DF0;--eu-blue-deep:#6BA0F3;--eu-blue-soft:#15212B;--eu-blue-line:#38342B;--eu-navy:#F5F1E8;--eu-navy-soft:#2A2720;--eu-green:#57B27E;--eu-green-soft:#16271E;--eu-green-line:#2E5240;--eu-green-deep:#57B27E;--eu-amber:#E0A23A;--eu-amber-soft:#2A1F12;--eu-amber-line:#4A463B;--eu-track:#38342B;--eu-focus:#5B9BE8;--eu-on-brand:#14130F}.eu-kit button,.eu-kit input,.eu-kit select{font-family:var(--eu-sans)}.eu-kit h1,.eu-kit h2,.eu-kit h3,.eu-title,.eu-hub-title{font-family:var(--eu-display);font-weight:700}.eu-kit .eu-title{font-size:24px;line-height:30px}.eu-kit .eu-explain{font-size:16px;line-height:26px;color:var(--eu-text-2);white-space:pre-wrap}.eu-kit .eu-card{border-radius:10px}.eu-kit .eu-continue{border-radius:6px;color:var(--eu-on-brand)}.eu-vocab-term,.eu-vocab-mark{font:inherit;color:inherit;cursor:pointer;padding:1px 5px;border-radius:3px;border:0;border-bottom:1px solid var(--eu-blue);background:var(--eu-blue-soft)}.eu-vocab-term[aria-expanded=true]{background:var(--eu-blue);color:var(--eu-on-brand)}.eu-vocab-popover{position:fixed;z-index:10000;width:min(560px,calc(100vw - 24px));background:var(--eu-card);color:var(--eu-text);border:1px solid var(--eu-border);border-top:2px solid var(--eu-text);border-radius:10px;padding:20px;box-shadow:0 12px 30px #14130f24;white-space:normal;text-align:left;font:400 16px/26px var(--eu-sans)}.eu-vocab-popover header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.eu-vocab-popover header strong{font:700 24px/30px var(--eu-display)}.eu-vocab-popover header button{width:48px;height:48px;flex:none;border:1px solid var(--eu-border);border-radius:6px;background:var(--eu-card);color:var(--eu-text);cursor:pointer;font-size:24px}.eu-vocab-definition{overflow-wrap:anywhere;white-space:pre-wrap}.eu-vocab-equation{overflow-x:auto;max-width:100%;margin:12px 0}.eu-vocab-sheet{left:0;right:0;bottom:0;top:auto;width:100%;max-height:calc(100dvh - 24px);overflow-y:auto;padding-bottom:calc(24px + env(safe-area-inset-bottom));border-radius:10px 10px 0 0}.copper-vocabulary{font-size:12px;line-height:1.6}.copper-vocabulary p{margin:8px 0}.copper-vocab-item,.copper-vocab-editor{padding:12px;margin:10px 0;background:#fff;border:1px solid #EBEAE4;border-radius:8px;overflow-wrap:anywhere}.copper-vocabulary button{border:1px solid #DED9CE;border-radius:6px;background:#fbfaf7;color:#8f4f2a;padding:8px;margin:6px 6px 0 0;cursor:pointer}.copper-vocabulary button:disabled{opacity:.5;cursor:default}.copper-vocabulary textarea{box-sizing:border-box;display:block;width:100%;font:inherit;border:1px solid #DED9CE;border-radius:6px;padding:8px;resize:vertical}.copper-vocab-preview{padding:10px;background:var(--eu-page);margin-top:8px}@media (max-width:639px){.eu-page{padding-bottom:calc(64px + env(safe-area-inset-bottom))}.eu-vocab-popover{left:0!important;right:0;top:auto!important;bottom:0;width:100%;max-height:calc(100dvh - 24px);overflow-y:auto;padding-bottom:calc(24px + env(safe-area-inset-bottom));border-radius:10px 10px 0 0}}.eu-kit .eu-btn{min-height:48px;border-radius:6px}.eu-kit .eu-btn-primary{color:var(--eu-on-brand)}.eu-kit .eu-btn-primary:disabled{background:var(--eu-track);color:var(--eu-faint)}.eu-kit .eu-embed-card,.eu-kit .eu-hub-card{border-radius:10px}.eu-vocab-image{margin-top:12px;width:100%;max-width:100%;min-width:0;overflow:hidden;line-height:1.5}.eu-vocab-image img{display:block;width:auto;height:auto;max-width:100%;max-height:180px;object-fit:contain;border-radius:6px;margin:0 auto}.eu-vocab-image [role=status]{font-size:13px}.circuit-lesson{--circuit-disabled-text:rgb(104, 100, 89);--circuit-slot:rgb(138, 133, 122);--circuit-wrong:rgb(179, 38, 30);--circuit-wrong-light:rgb(249, 233, 231);--circuit-success-border:rgb(207, 230, 216);--circuit-dark-muted:rgb(58, 55, 50);--circuit-quiet:rgb(184, 178, 166);--circuit-ink:rgb(26, 24, 20);--circuit-blue:rgb(19, 99, 223);--circuit-paper:rgb(250, 247, 240);--circuit-muted:rgb(87, 83, 74);--circuit-line:rgb(228, 222, 207);--circuit-border:rgb(214, 207, 188);--circuit-subtle:rgb(244, 240, 231);--circuit-blue-dark:rgb(15, 79, 191);--circuit-success:rgb(46, 125, 82);--circuit-warning:rgb(180, 83, 9);--circuit-neutral-border:rgb(130, 148, 139);--circuit-blue-light:rgb(232, 240, 252);--circuit-disabled:rgb(230, 224, 211);--circuit-body:rgb(51, 48, 42);--circuit-success-light:rgb(237, 245, 239);--circuit-warning-light:rgb(251, 241, 230);--circuit-blue-border:rgb(187, 212, 247);--circuit-error:rgb(168, 41, 24);--circuit-error-light:rgb(242, 160, 74);--circuit-open:rgb(176, 169, 154);--circuit-group:rgb(179, 171, 160);--circuit-resistance:rgb(188, 45, 31);--circuit-power:rgb(109, 40, 217);--circuit-archive:rgb(248, 246, 238);--circuit-header-line:rgb(56, 52, 43);--circuit-focus:rgb(37, 91, 204)}.eu-kit *,.eu-kit *:before,.eu-kit *:after{box-sizing:border-box}.eu-page{background:var(--eu-page);min-height:100dvh;width:100%;overflow-x:hidden;padding-bottom:40px}.eu-shell{max-width:560px;margin:0 auto;padding:12px}.eu-rail{display:flex;align-items:center;gap:12px;padding:4px 4px 12px}.eu-back{flex:none;width:24px;height:24px;border-radius:8px;border:1px solid var(--eu-border-strong);background:var(--eu-card);color:var(--eu-text-2);display:grid;place-items:center;font-size:15px;line-height:1;cursor:pointer}.eu-back:disabled{opacity:.4;cursor:default}.eu-progress{flex:1;height:7px;border-radius:99px;background:var(--eu-track);overflow:hidden}.eu-progress>i{display:block;height:100%;border-radius:99px;background:var(--eu-blue);transition:width .3s ease}.eu-rank{flex:none;font-family:var(--eu-mono);font-size:11px;letter-spacing:.08em;color:var(--eu-navy);text-transform:uppercase}.eu-card{background:var(--eu-card);border:1px solid var(--eu-border);border-radius:16px;padding:20px 18px 22px}.eu-eyebrow{font-family:var(--eu-mono);font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--eu-navy);margin:0 0 8px}.eu-title{font-size:21px;font-weight:750;letter-spacing:-.01em;line-height:1.14;color:var(--eu-text);margin:0 0 10px}.eu-explain{font-size:14.5px;line-height:1.5;color:var(--eu-text-2);margin:0 0 16px}.eu-explain .katex{font-size:1.02em}.eu-explain strong{font-weight:700;color:var(--eu-text)}.eu-explain em{font-style:italic}.eu-teach-math{margin:2px 0 16px;text-align:center;overflow-x:auto}.eu-teach-fig{margin:2px 0 18px}.eu-media{margin:0 0 18px;min-width:0;max-width:100%}.eu-media>img.eu-media-el,.eu-gif>video.eu-media-el{display:block;width:auto;height:auto;max-width:100%;max-height:60vh;max-height:60dvh;object-fit:contain;margin-inline:auto}.eu-figure:has(>img.eu-media-el){min-height:0;grid-template-columns:minmax(0,1fr)}.eu-figure{position:relative;border-radius:14px;border:1px solid var(--eu-border);overflow:hidden;min-height:168px;display:grid;place-items:center;padding:22px;text-align:center;background-color:var(--eu-muted);background-image:repeating-linear-gradient(-45deg,#eef0f3 0,#eef0f3 10px,#f6f7f9 10px,#f6f7f9 20px)}.eu-figure figcaption{font-family:var(--eu-mono);font-size:11.5px;letter-spacing:.04em;color:var(--eu-faint);line-height:1.45}.eu-figure .eu-fig-no{display:block;font-family:var(--eu-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--eu-blue);margin-bottom:6px}.eu-interaction{margin-top:4px}.eu-prompt{font-size:16px;font-weight:600;line-height:1.35;color:var(--eu-text);margin:0 0 14px}.eu-btn{font-family:var(--eu-sans);font-size:15px;font-weight:600;border-radius:10px;border:none;padding:12px 18px;cursor:pointer;transition:background .15s ease,opacity .15s ease}.eu-btn-primary{background:var(--eu-blue);color:#fff;box-shadow:inset 0 -2px 0 var(--eu-blue-deep)}.eu-btn-primary:disabled{background:#c8d3e0;box-shadow:none;color:#eef2f7;cursor:default}.eu-btn-ghost{background:var(--eu-card);border:1px solid var(--eu-border-strong);color:var(--eu-text-2)}.eu-actions{display:flex;align-items:center;gap:10px;margin-top:14px}.eu-kit :focus-visible{outline:2px solid var(--eu-focus);outline-offset:2px}.eu-radio{flex:none;width:22px;height:22px;border-radius:99px;border:2px solid var(--eu-border-strong);background:var(--eu-card);display:grid;place-items:center;font-size:13px;line-height:1;transition:box-shadow .15s ease,border-color .15s ease,background .15s ease}.eu-opt{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:14px 15px;border-radius:13px;border:1.5px solid var(--eu-border-strong);background:var(--eu-card);font-family:var(--eu-sans);font-size:15px;font-weight:600;color:var(--eu-text);cursor:pointer;transition:border-color .15s ease,background .15s ease}.eu-opt:disabled{cursor:default}.eu-opt.is-selected{border-color:var(--eu-blue);background:var(--eu-blue-soft)}.eu-opt.is-selected .eu-radio{border-color:var(--eu-blue);background:var(--eu-blue);box-shadow:inset 0 0 0 3px #fff}.eu-opt.is-correct{border-color:var(--eu-green);background:var(--eu-green-soft)}.eu-opt.is-correct .eu-radio{border-color:var(--eu-green);background:var(--eu-green);color:#fff}.eu-opt.is-notyet{border-color:var(--eu-amber);background:var(--eu-amber-soft)}.eu-opt.is-notyet .eu-radio{border-color:var(--eu-amber);background:var(--eu-amber);color:var(--eu-navy)}.eu-opt.is-faded{opacity:.45}.eu-fb{display:flex;gap:12px;align-items:flex-start;border-radius:16px;padding:16px 18px;margin-top:14px;animation:eu-rise .26s ease both}.eu-fb-ico{flex:none;width:26px;height:26px;border-radius:99px;display:grid;place-items:center;color:#fff;font-size:15px;line-height:1}.eu-fb-body{font-size:14px;line-height:1.45}.eu-fb-label{font-family:var(--eu-mono);font-size:10.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;display:block;margin-bottom:4px}.eu-fb.correct{background:var(--eu-green-soft);border:1px solid var(--eu-green-line);color:var(--eu-green-deep)}.eu-fb.correct .eu-fb-ico{background:var(--eu-green)}.eu-fb.notyet{background:var(--eu-amber-soft);border:1px solid var(--eu-amber-line);color:var(--eu-navy)}.eu-fb.notyet .eu-fb-ico{background:var(--eu-amber);color:var(--eu-navy)}.eu-fb.why{background:var(--eu-blue-soft);border:1px solid var(--eu-blue-line);color:var(--eu-blue-deep)}.eu-fb.why .eu-fb-label{color:var(--eu-blue)}.eu-fb.why .eu-fb-ico{background:var(--eu-blue)}.eu-complete{display:flex;align-items:center;gap:12px;margin-top:18px;padding:14px 14px 14px 16px;border-radius:16px;background:var(--eu-green-soft);border:1px solid var(--eu-green-line);animation:eu-rise-solid .26s ease both}.eu-xp{flex:none;font-family:var(--eu-mono);font-size:12px;font-weight:600;letter-spacing:.02em;color:#fff;background:var(--eu-green);border-radius:99px;padding:5px 11px}.eu-complete-label{flex:1;font-size:14px;font-weight:600;color:var(--eu-green-deep)}.eu-next{flex:none;font-family:var(--eu-sans);font-size:15px;font-weight:700;border:none;border-radius:10px;padding:10px 16px;background:var(--eu-blue);color:#fff;box-shadow:inset 0 -2px 0 var(--eu-blue-deep);cursor:pointer}.eu-mc-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}@media (max-width: 380px){.eu-mc-grid{grid-template-columns:1fr}}.eu-num-field{display:flex;align-items:stretch;border:1.5px solid var(--eu-border-strong);border-radius:14px;overflow:hidden;transition:border-color .15s ease,background .15s ease}.eu-num-field.is-correct{border-color:var(--eu-green);background:var(--eu-green-soft)}.eu-num-field.is-notyet{border-color:var(--eu-amber);background:var(--eu-amber-soft)}.eu-num-input{flex:1;min-width:0;border:none;background:transparent;font-family:var(--eu-mono);font-size:26px;font-weight:600;color:var(--eu-text);padding:12px 16px;outline:none}.eu-num-unit{flex:none;display:grid;place-items:center;padding:0 18px;font-family:var(--eu-mono);font-size:20px;color:var(--eu-text-2);background:var(--eu-muted-2);border-left:1px solid var(--eu-border)}.eu-hint-row{display:flex;align-items:center;gap:8px;margin-top:12px;flex-wrap:wrap}.eu-hint{font-family:var(--eu-mono);font-size:12px;color:var(--eu-text-2);background:var(--eu-muted-2);border-radius:99px;padding:5px 11px}.eu-formula{font-family:var(--eu-mono);font-size:13px;color:var(--eu-faint)}.eu-sentence{font-size:17px;line-height:1.9;color:var(--eu-text);margin:0 0 18px}.eu-blank{display:inline-flex;align-items:center;justify-content:center;min-width:96px;padding:2px 10px;margin:0 2px;border-bottom:2px dashed var(--eu-border-strong);font-weight:600;color:var(--eu-faint);vertical-align:baseline;transition:color .15s ease,border-color .15s ease,background .15s ease}.eu-blank.is-selected{color:var(--eu-blue);border-bottom-color:var(--eu-blue)}.eu-blank.is-correct{color:var(--eu-green-deep);border-bottom-color:var(--eu-green);background:var(--eu-green-soft);border-radius:6px 6px 0 0}.eu-blank.is-notyet{color:var(--eu-navy);border-bottom-color:var(--eu-amber)}.eu-bank{display:flex;flex-wrap:wrap;gap:8px}.eu-pill{font-family:var(--eu-sans);font-size:14.5px;font-weight:600;border-radius:99px;border:1.5px solid var(--eu-border-strong);background:var(--eu-card);color:var(--eu-text);padding:9px 16px;cursor:pointer;transition:border-color .15s ease,background .15s ease,opacity .15s ease}.eu-pill.is-selected{border-color:var(--eu-blue);background:var(--eu-blue-soft)}.eu-pill.is-correct{border-color:var(--eu-green);background:var(--eu-green-soft);color:var(--eu-green-deep)}.eu-pill.is-faded{opacity:.45;cursor:default}.eu-match{position:relative;width:286px;max-width:100%;margin:0 auto}.eu-match-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none}.eu-match-cols{display:flex;justify-content:space-between;position:relative;z-index:1}.eu-match-col{display:flex;flex-direction:column;gap:12px}.eu-node{width:112px;height:56px;display:flex;align-items:center;justify-content:center;gap:8px;border-radius:13px;border:1.5px solid var(--eu-border-strong);background:var(--eu-card);font-family:var(--eu-sans);font-size:14px;font-weight:600;color:var(--eu-text);cursor:pointer;text-align:center;line-height:1.2;padding:4px 8px;transition:border-color .15s ease,background .15s ease}.eu-node.is-selected{border-color:var(--eu-blue);background:var(--eu-blue-soft)}.eu-node.is-linked{border-color:var(--eu-blue)}.eu-node.is-correct{border-color:var(--eu-green);background:var(--eu-green-soft)}.eu-node.is-wrong{border-color:var(--eu-amber);background:var(--eu-amber-soft)}.eu-node-mono{font-family:var(--eu-mono);font-size:15px}.eu-seq{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}.eu-seq-row{display:flex;align-items:center;gap:12px;border:1.5px solid var(--eu-border-strong);background:var(--eu-card);border-radius:13px;padding:10px 12px;transition:border-color .15s ease,background .15s ease}.eu-seq-row.is-correct{border-color:var(--eu-green);background:var(--eu-green-soft)}.eu-seq-num{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-family:var(--eu-mono);font-size:13px;font-weight:600;color:#fff;background:var(--eu-blue)}.eu-seq-row.is-correct .eu-seq-num{background:var(--eu-green)}.eu-seq-label{flex:1;font-size:14.5px;font-weight:600;color:var(--eu-text);line-height:1.3}.eu-seq-handles{flex:none;display:flex;flex-direction:column;gap:2px}.eu-seq-btn{width:44px;height:21px;padding:0;border-radius:6px;border:1px solid var(--eu-border-strong);background:var(--eu-card);color:var(--eu-text-2);font-size:10px;line-height:1;cursor:pointer;display:grid;place-items:center}.eu-seq-btn:disabled{opacity:.4;cursor:default}.eu-hotspot-img{position:relative;height:190px;border-radius:14px;border:1px solid var(--eu-border);overflow:hidden;background-color:var(--eu-muted);background-image:repeating-linear-gradient(-45deg,#eef0f3 0,#eef0f3 10px,#f6f7f9 10px,#f6f7f9 20px)}.eu-hotspot-img img{display:block;width:100%;height:100%;object-fit:cover}.eu-hotspot-cap{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;padding:16px;text-align:center;font-family:var(--eu-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--eu-faint)}.eu-hotspot-zone{position:absolute;transform:translate(-50%,-50%);min-width:44px;min-height:44px;border-radius:99px;border:2px solid var(--eu-blue);background:#1363df1f;color:var(--eu-blue-deep);display:grid;place-items:center;font-family:var(--eu-sans);font-size:13px;cursor:pointer;transition:background .15s ease,border-color .15s ease}.eu-hotspot-zone:disabled{cursor:default}.eu-hotspot-zone.is-pulse{animation:eu-hotpulse 1.4s ease-in-out infinite}.eu-hotspot-zone.is-wrong{border-color:var(--eu-amber);background:var(--eu-amber-soft);color:var(--eu-navy)}.eu-hotspot-zone.is-correct{width:auto;height:auto;padding:7px 12px;border-radius:10px;border-color:var(--eu-green);background:var(--eu-green-soft);color:var(--eu-green-deep);font-weight:600;white-space:nowrap}.eu-hotspot-tray{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.eu-hotspot-tray .eu-pill.is-correct{text-decoration:line-through}.eu-video-wrap{position:relative;border-radius:14px;overflow:hidden;background:#000;aspect-ratio:16 / 9}.eu-video-wrap iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0}.eu-watch-note{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:13px;color:var(--eu-text-2)}.eu-sim{border-radius:14px;border:1px solid var(--eu-border);background:var(--eu-card);padding:14px}.eu-sim-stage{border-radius:10px;background:var(--eu-muted);overflow:hidden}.eu-sim-stage canvas{display:block;width:100%;height:auto}.eu-sim-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.eu-tile{border-radius:12px;border:1px solid var(--eu-border);background:var(--eu-muted);padding:11px 12px;text-align:left}.eu-tile .k{font-family:var(--eu-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--eu-faint);margin-bottom:6px}.eu-tile .v{font-family:var(--eu-mono);font-size:22px;font-weight:600;color:var(--eu-text-2);font-variant-numeric:tabular-nums}.eu-tile .v .u{font-size:12px;color:var(--eu-faint);margin-left:2px}.eu-tile.v-blue{border-color:var(--eu-blue-line);background:var(--eu-blue-soft)}.eu-tile.v-blue .v{color:var(--eu-blue)}.eu-tile.i-green{border-color:var(--eu-green-line);background:var(--eu-green-soft);box-shadow:0 0 0 2px #1e9e5a24}.eu-tile.i-green .v{color:var(--eu-green-deep)}.eu-sim-slider-row{margin-top:16px}.eu-sim-slider-label{display:flex;justify-content:space-between;font-family:var(--eu-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--eu-navy);margin-bottom:8px}.eu-sim input[type=range]{width:100%;accent-color:var(--eu-blue);height:24px;cursor:pointer}.eu-sim-ticks{display:flex;justify-content:space-between;font-family:var(--eu-mono);font-size:10.5px;color:var(--eu-faint);margin-top:2px}.eu-sim-result{margin-top:14px;border-radius:10px;background:var(--eu-blue-soft);border:1px solid var(--eu-blue-line);padding:11px 14px;font-family:var(--eu-mono);font-size:14px;color:var(--eu-blue-deep);text-align:center}.eu-sim-result b{color:var(--eu-blue)}.eu-load-chip{display:inline-block;font-family:var(--eu-mono);font-size:12px;font-weight:600;color:var(--eu-blue);background:var(--eu-blue-soft);border:1px solid var(--eu-blue-line);border-radius:99px;padding:3px 10px}.eu-embed-card{background:var(--eu-card);border:1px solid var(--eu-border);border-radius:16px;padding:22px 20px 24px;max-width:640px;margin:0 auto}.eu-embed-card .eu-title{font-size:22px}.eu-ld-ready{box-shadow:0 0 0 3px #1363df52!important;border-radius:8px}.eu-hub-shell{max-width:440px;margin:0 auto;padding:6px 8px 12px}.eu-hub-card{background:var(--eu-card);border:1px solid var(--eu-border);border-radius:16px;padding:16px 16px 18px}.eu-hub-title{font-size:22px;font-weight:750;letter-spacing:-.015em;line-height:1.12;color:var(--eu-text);margin:0 0 8px}.eu-hub-framing{font-size:14px;line-height:1.5;color:var(--eu-text-2);margin:0 0 13px}.eu-hub-xprow{display:flex;align-items:center;gap:8px;margin-bottom:18px}.eu-hub-count{font-family:var(--eu-mono);font-size:12px;font-weight:600;color:#2a303b}.eu-hub-dot{color:var(--eu-faint);font-size:12px}.eu-hub-xp{font-family:var(--eu-mono);font-size:11px;font-weight:600;padding:3px 9px;border-radius:99px;color:var(--eu-blue-deep);background:var(--eu-blue-soft);border:1px solid var(--eu-blue-line)}.eu-hub-xp.is-complete{color:#fff;background:var(--eu-green);border-color:var(--eu-green)}.eu-hub-path{display:flex;flex-direction:column}.eu-hub-step{display:flex;gap:14px;align-items:stretch;padding:0 0 18px;width:100%;text-align:left;background:transparent;border:none;font-family:var(--eu-sans);cursor:pointer;color:inherit}.eu-hub-step:last-child{padding-bottom:0}.eu-hub-step[data-state=upcoming]{cursor:default}.eu-hub-nodecol{position:relative;width:48px;flex:none;align-self:stretch}.eu-hub-seg{position:absolute;width:2px;left:23px;background:#dce0e6}.eu-hub-seg-in{top:0;height:24px}.eu-hub-seg-out{top:24px;bottom:0}.eu-hub-seg[data-green="1"]{background:var(--eu-green)}.eu-hub-node{position:absolute;left:0;top:0;width:48px;height:48px;border-radius:99px;border:2px solid var(--eu-border-strong);background:var(--eu-card);z-index:2;display:grid;place-items:center;font-family:var(--eu-mono);font-size:17px;font-weight:700;color:var(--eu-faint)}.eu-hub-node[data-state=done]{background:var(--eu-green);border-color:var(--eu-green);color:#fff;font-family:var(--eu-sans);font-size:20px}.eu-hub-node[data-state=current]{background:var(--eu-blue);border-color:var(--eu-blue);color:#fff;box-shadow:0 0 0 4px #1363df29;animation:eu-hubpulse 2.4s ease-in-out infinite}.eu-hub-stepcontent{flex:1;display:flex;flex-direction:column;justify-content:center;min-height:48px;min-width:0}.eu-hub-typerow{display:flex;align-items:center;gap:7px;font-family:var(--eu-mono);font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--eu-faint);margin-bottom:3px}.eu-hub-typerow[data-state=upcoming]{color:#b4b8c2}.eu-hub-label{font-size:15px;font-weight:600;line-height:1.3}.eu-hub-label.done{color:var(--eu-text-2)}.eu-hub-label.upcoming{color:#9aa0aa}.eu-hub-current{background:var(--eu-blue-soft);border:1px solid var(--eu-blue-line);border-radius:14px;padding:12px 14px}.eu-hub-current-top{display:flex;align-items:center;gap:8px;margin-bottom:5px}.eu-hub-nextchip{font-family:var(--eu-mono);font-size:10px;font-weight:700;letter-spacing:.1em;color:#fff;background:var(--eu-blue);padding:3px 8px;border-radius:99px}.eu-hub-current-type{font-family:var(--eu-mono);font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--eu-blue-deep)}.eu-hub-current-label{font-size:16px;font-weight:700;color:var(--eu-text);letter-spacing:-.01em;line-height:1.25}.eu-hub-resume{font-size:12.5px;font-weight:600;color:var(--eu-blue-deep);margin-top:6px}.eu-hub-cta-wrap{margin-top:6px}.eu-hub-cta{width:100%;border:none;border-radius:13px;background:var(--eu-blue);color:#fff;box-shadow:0 1px 0 var(--eu-blue-deep);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:11px 18px;cursor:pointer;font-family:var(--eu-sans)}.eu-hub-cta-label{font-size:16px;font-weight:700}.eu-hub-cta-sub{font-size:11.5px;font-weight:500;opacity:.85;margin-top:1px}.eu-hub-completeblock{display:grid;gap:9px;margin-top:2px}.eu-hub-banner{display:flex;align-items:center;gap:10px;background:var(--eu-green-soft);border:1px solid var(--eu-green-line);border-radius:14px;padding:13px 14px;margin:8px 0 6px;animation:eu-rise .3s ease both}.eu-hub-star{width:30px;height:30px;flex:none;border-radius:99px;background:var(--eu-green);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700}.eu-hub-banner-title{font-size:14.5px;font-weight:700;color:var(--eu-green-deep)}.eu-hub-banner-sub{font-size:12.5px;color:var(--eu-green-deep);opacity:.85;margin-top:1px}.eu-hub-ghost{width:100%;border:1px solid var(--eu-border-strong);border-radius:13px;background:var(--eu-card);color:#2a303b;padding:12px 18px;font-family:var(--eu-sans);font-size:15px;font-weight:650;cursor:pointer}.eu-hub-text{background:transparent;border:none;color:var(--eu-blue-deep);font-family:var(--eu-sans);font-size:13px;font-weight:600;padding:2px;cursor:pointer}body.copper-active .eu-edx-progress{display:none!important}.eu-preview-empty{max-width:460px;margin:80px auto;text-align:center;color:var(--eu-text-2);font-size:15px;line-height:1.6}.eu-preview-empty h1{font-size:20px;font-weight:700;color:var(--eu-text);margin:0 0 10px}@keyframes eu-rise{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes eu-rise-solid{0%{transform:translateY(10px)}to{transform:translateY(0)}}@keyframes eu-pop{0%{transform:scale(.82)}to{transform:scale(1)}}.eu-pop{animation:eu-pop .2s ease alternate infinite}@keyframes eu-hubpulse{0%,to{box-shadow:0 0 #1363df4d}50%{box-shadow:0 0 0 7px #1363df00}}@keyframes eu-hotpulse{0%,to{box-shadow:0 0 #1363df47}50%{box-shadow:0 0 0 7px #1363df00}}.eu-kit{container:eukit / inline-size}.eu-pane{display:contents}.eu-your-move{display:none;font-family:var(--eu-mono);font-size:10.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--eu-blue);margin:0 0 12px}.eu-hub-main{min-width:0}.eu-hub-side{display:none}.eu-hub-side-card{background:var(--eu-card);border:1px solid var(--eu-border);border-radius:16px;padding:20px;display:flex;flex-direction:column;align-items:center;gap:16px}.eu-hub-ring{width:128px;height:128px;border-radius:99px;background:conic-gradient(var(--eu-blue) calc(var(--eu-pct, 0) * 1%),var(--eu-track) 0);display:grid;place-items:center}.eu-hub-ring:before{content:"";grid-area:1 / 1;width:94px;height:94px;border-radius:99px;background:var(--eu-card)}.eu-hub-ring-val{grid-area:1 / 1;font-family:var(--eu-mono);font-size:24px;font-weight:600;color:var(--eu-blue-deep)}.eu-hub-side-next{width:100%;background:var(--eu-blue-soft);border:1px solid var(--eu-blue-line);border-radius:14px;padding:14px}.eu-hub-side-media{margin-top:10px;height:84px;border-radius:10px;border:1px solid var(--eu-blue-line);background-color:var(--eu-card);background-image:repeating-linear-gradient(-45deg,#eef0f3 0,#eef0f3 10px,#f6f7f9 10px,#f6f7f9 20px)}@container eukit (min-width: 640px){.eu-shell--split{max-width:680px}.eu-shell--media{max-width:640px}.eu-card--split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start;background:transparent;border:0;border-radius:0;padding:0}.eu-card--split .eu-pane{display:block;min-width:0;background:var(--eu-card);border:1px solid var(--eu-border);border-radius:16px;padding:22px 24px}.eu-card--split .eu-pane--act{display:flex;flex-direction:column;justify-content:center}.eu-card--split .eu-your-move{display:block}.eu-card--split .eu-title{max-width:24ch}.eu-card--split .eu-explain{max-width:46ch}.eu-card--split .eu-pane--read .eu-figure{min-height:132px}.eu-card--media .eu-title,.eu-card--media .eu-tile .v{font-size:24px}.eu-hub-shell{max-width:500px}}@container eukit (min-width: 1024px){.eu-shell--split{max-width:1000px}.eu-card--split{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:26px}.eu-card--split .eu-title{font-size:23px}.eu-card--split .eu-explain{font-size:15.5px;line-height:1.6}.eu-card--split .eu-pane--read .eu-figure{min-height:168px}.eu-card--split .eu-match{width:360px}.eu-card--split .eu-node{width:140px}.eu-card--imgfav{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.eu-card--split .eu-hotspot-img{height:240px}.eu-hub-shell{max-width:960px}.eu-hub-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.9fr);gap:26px;align-items:start}.eu-hub-side{display:block;position:sticky;top:16px}.eu-hub-main .eu-hub-cta-wrap,.eu-hub-main .eu-hub-completeblock{display:none}}@supports not (container-type: inline-size){@media (min-width: 640px){.eu-shell--split{max-width:680px}.eu-shell--media{max-width:640px}.eu-card--split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start;background:transparent;border:0;border-radius:0;padding:0}.eu-card--split .eu-pane{display:block;min-width:0;background:var(--eu-card);border:1px solid var(--eu-border);border-radius:16px;padding:22px 24px}.eu-card--split .eu-pane--act{display:flex;flex-direction:column;justify-content:center}.eu-card--split .eu-your-move{display:block}.eu-card--split .eu-title{max-width:24ch}.eu-card--split .eu-explain{max-width:46ch}.eu-card--media .eu-title{font-size:24px}.eu-hub-shell{max-width:500px}}@media (min-width: 1024px){.eu-shell--split{max-width:1000px}.eu-card--split{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:26px}.eu-card--split .eu-match{width:360px}.eu-card--split .eu-node{width:140px}.eu-hub-shell{max-width:960px}.eu-hub-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.9fr);gap:26px;align-items:start}.eu-hub-side{display:block;position:sticky;top:16px}.eu-hub-main .eu-hub-cta-wrap,.eu-hub-main .eu-hub-completeblock{display:none}}}@media (prefers-reduced-motion: reduce){.eu-kit *,.eu-kit *:before,.eu-kit *:after{animation:none!important;transition:none!important}}.eu-draft-issue{display:flex;flex-direction:column;gap:6px;padding:14px 16px;border:1px solid var(--eu-amber-line);background:var(--eu-amber-soft);border-radius:12px}.eu-draft-issue-tag{font-size:9.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#8a6418}.eu-draft-issue-text{font-size:13px;line-height:1.5;color:#6f5a2c}.eu-review-skip{display:flex;align-items:center;gap:11px;margin-top:14px;flex-wrap:wrap}.eu-review-hint{font-size:11.5px;color:#9a9187}.eu-explain ul,.eu-vocab-definition ul{list-style:disc outside;padding-left:1.4em;margin:.65em 0}.eu-explain ol,.eu-vocab-definition ol{list-style:decimal outside;padding-left:1.4em;margin:.65em 0}.eu-next:disabled{opacity:.45;cursor:not-allowed}.lp-grid-action,.lp-grid-dialog{font-family:Space Grotesk,system-ui,sans-serif}.lp-grid-action{flex:none;min-height:38px;border:1px solid #B5683A;background:#b5683a;color:#fff;border-radius:8px;padding:7px 13px;font-size:12px;font-weight:600;cursor:pointer}.lp-grid-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#17171b47;z-index:150;display:flex;align-items:center;justify-content:center;padding:20px}.lp-grid-dialog{width:472px;max-width:100%;max-height:calc(100dvh - 40px);overflow:auto;background:#fff;border-radius:18px;box-shadow:0 24px 60px #17171b44;padding:24px;color:#17171b;font-size:13px;line-height:1.55}.lp-grid-heading{display:flex;gap:12px;align-items:center}.lp-grid-heading>div{flex:1}.lp-grid-dialog h2{font-size:18px;margin:2px 0}.lp-grid-dialog h3{font-size:15px;margin:6px 0}.lp-grid-dialog small{font-family:JetBrains Mono,monospace;text-transform:uppercase;letter-spacing:.08em;font-size:10px;color:#777780}.lp-grid-dialog section{background:#fbfaf7;border:1px solid #EFEDE6;border-radius:11px;padding:12px 14px;margin:12px 0}.lp-grid-dialog p{margin:8px 0;overflow-wrap:anywhere}.lp-grid-dialog li{margin:6px 0;overflow-wrap:anywhere}.lp-grid-dialog .lp-grid-warning{background:#faf5e9;border-color:#e7d9b6;color:#805c15}.lp-grid-dialog button,.lp-grid-dialog a{min-height:40px;padding:8px 12px;border:1px solid #EBEAE4;border-radius:8px;background:#fff;color:#5b5b64;cursor:pointer;font:inherit}.lp-grid-dialog summary{cursor:pointer;margin-top:8px}.lp-grid-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;margin-top:18px}.lp-grid-dialog .lp-grid-primary{background:#b5683a;color:#fff;border-color:#b5683a;text-decoration:none}.lp-grid-dialog button:disabled{opacity:.5;cursor:wait}.lp-grid-error{color:#a23024}.lp-grid-success{color:#3f6b4c;background:#f6faf6;padding:12px;border:1px solid #CBE0CE;border-radius:8px}.lp-path-row{display:flex;align-items:center;gap:10px;padding-right:16px;border-top:1px solid #EFEDE6}.lp-path-row>button:first-child{flex:1;min-width:0;border-top:0!important}@media (max-width:640px){.lp-grid-backdrop{padding:0}.lp-grid-dialog{width:100%;height:100dvh;max-height:100dvh;border-radius:0;padding:20px}.lp-grid-action,.lp-grid-dialog button{min-height:44px}.lp-path-row{flex-wrap:wrap;padding:0 12px 12px}.lp-path-row>button:first-child{flex-basis:100%;padding-left:12px!important}.lp-grid-actions>*{flex:1;text-align:center}}.ce-build-rail-body{flex:1;min-width:0;min-height:0;padding:14px;box-sizing:border-box;overflow-y:auto;overflow-x:hidden;scrollbar-gutter:stable both-edges;overflow-wrap:anywhere}.ce-build-rail-body>*,.ce-build-rail-body :where(div,label,input,textarea,select,button){min-width:0;max-width:100%;box-sizing:border-box}.ce-build-rail-body>*{width:100%}.ce-build-rail-body [contenteditable]{overflow-wrap:anywhere;overflow-x:auto}.ce-build-rail-body [contenteditable] :where(img,video){max-width:100%;height:auto}.lp-artwork{padding:12px 16px 14px 64px;border-top:1px solid #f1f0ea;background:#fcfbf8;display:flex;gap:14px;flex-wrap:wrap;align-items:center;color:#17171b;min-width:0}.lp-artwork-thumb{width:94px;height:58px;flex:none;border-radius:7px;overflow:hidden;border:1px solid #ebeae4}.lp-artwork-empty{display:flex;align-items:center;justify-content:center;height:100%;border:1px dashed #b9b9c0;box-sizing:border-box;font:9px JetBrains Mono,monospace;color:#9c9ca4}.lp-artwork-label{flex:1;min-width:180px;display:flex;gap:4px;flex-direction:column}.lp-artwork-label small{font:8.5px JetBrains Mono,monospace;letter-spacing:.1em;text-transform:uppercase}.lp-artwork-label strong{font-size:12.5px;overflow-wrap:anywhere}.lp-artwork-label span{font:9.5px JetBrains Mono,monospace;color:#9c9ca4;overflow-wrap:anywhere}.lp-artwork-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.lp-artwork button{border:1px solid #ded4c4;background:#b5683a1a;color:#8f4f2a;border-radius:7px;padding:7px 10px;cursor:pointer;font:600 12px Space Grotesk,sans-serif}.lp-artwork button:disabled{opacity:.5;cursor:default}.lp-artwork button.lp-artwork-remove{background:transparent}.lp-artwork-error{width:100%;color:#9a3f2c;font-size:12px}.lp-artwork-actions>span{font-size:11px;color:#9c9ca4}@media (max-width:700px){.lp-artwork{padding-left:16px;gap:10px}.lp-artwork-label{min-width:0}.lp-artwork-actions{width:100%}.lp-artwork-actions>button:first-of-type{flex:1}}@media (max-width:700px){.lp-topic-row{display:grid!important;grid-template-columns:auto minmax(0,1fr) auto;padding-left:16px!important;gap:8px!important}.lp-topic-row>span:nth-child(2){grid-column:2/4;white-space:normal!important}.lp-topic-row>span:nth-child(3){grid-column:1/3}.lp-topic-row>span:last-child{grid-column:1/-1}.lp-topic-row>span:last-child button{width:100%}}.ep-shell{height:100%;min-height:0;display:flex;flex-direction:column;background:var(--paper);color:var(--ink);font-family:var(--font-display)}.ep-shell *{box-sizing:border-box}.ep-header{padding:22px 32px 0;border-bottom:1px solid var(--line);flex:none}.ep-shell h1{font-size:28px;letter-spacing:-.025em;margin:8px 0}.ep-shell h2{font-size:21px;letter-spacing:-.015em;margin:6px 0 10px}.ep-shell h3{font-size:16px;line-height:1.5;margin:8px 0 12px}.ep-shell p{font-size:13px;line-height:1.65;margin:8px 0 14px}.ep-shell small,.ep-muted{color:var(--ink-2);font-size:12px;line-height:1.5}.ep-content{flex:1;min-height:0;overflow:auto}.ep-tabs{display:flex;gap:28px;margin-top:8px}.ep-shell button{font:inherit;font-size:12px;cursor:pointer;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);padding:9px 13px;line-height:1.4}.ep-shell button:disabled{opacity:.45;cursor:default}.ep-shell button:hover:not(:disabled){border-color:var(--copper)}.ep-shell button:focus-visible,.ep-shell input:focus-visible,.ep-shell textarea:focus-visible,.ep-shell select:focus-visible{outline:2px solid var(--copper);outline-offset:3px}.ep-shell .ep-primary{background:var(--copper);color:#fff;border-color:var(--copper)}.ep-tabs button{background:none;border:0;border-radius:0;padding:12px 0;font-size:14px;color:var(--ink-2)}.ep-tabs button[aria-current]{color:var(--ink);box-shadow:inset 0 -2px var(--copper);font-weight:600}.ep-toolbar,.ep-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.ep-actions{justify-content:flex-start}.ep-practice{padding:24px 32px 60px;max-width:1500px}.ep-practice>.ep-toolbar{margin-bottom:24px}.ep-segments{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:10px}.ep-segments button{border:0;background:transparent;color:var(--ink-2)}.ep-segments button[aria-pressed=true]{background:var(--surface);color:var(--copper-deep);box-shadow:0 1px 4px #0001}.ep-shell label{display:flex;flex-direction:column;gap:7px;font-size:12px;font-weight:600}.ep-shell input:not([type=checkbox]),.ep-shell select,.ep-shell textarea{font:inherit;font-size:13px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);padding:10px 12px;width:100%;line-height:1.5}.ep-shell textarea{resize:vertical}.ep-search{flex:1;max-width:460px;min-width:180px}.ep-library{display:grid;grid-template-columns:repeat(auto-fill,minmax(285px,1fr));gap:16px}.ep-panel{padding:22px;border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow-wrap:anywhere}.ep-panel>label{margin-bottom:20px}.ep-panel>.ep-actions{margin-top:20px}.ep-editor{display:grid;grid-template-columns:minmax(300px,1fr) minmax(350px,1.2fr);gap:22px;align-items:start}.ep-empty{padding:52px 28px;text-align:center;color:var(--ink-2)}.ep-error{margin:16px 32px;padding:14px 18px;border:1px solid #bf665e;border-radius:8px;color:var(--ink);background:var(--surface)}.ep-option{display:flex!important;flex-direction:row!important;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line);gap:12px!important;font-weight:400!important}.ep-option input{margin-top:4px;accent-color:var(--copper);flex:none}.ep-option b{font-size:13px;line-height:1.6;font-weight:500}.ep-option small{display:block;margin-top:6px}.ep-option details{font-weight:400;margin-top:8px}.ep-option summary{cursor:pointer;color:var(--copper-deep)}.ep-options{max-height:620px;overflow:auto}.ep-selection{padding-left:18px;font-size:13px}.ep-selection li{padding:8px 0;border-bottom:1px solid var(--line)}.ep-selection button{margin:8px;font-size:11px;padding:4px 7px}.ep-card-preview{display:flex;flex-direction:column;align-items:center;justify-content:space-between;width:100%;min-height:260px;padding:26px!important;background:var(--paper)!important;text-align:center}.ep-card-preview strong{font-size:23px;line-height:1.5;white-space:pre-wrap;margin:26px 0}.ep-card-preview span{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--copper-deep)}.ep-study{margin-top:24px;max-width:760px}.ep-source-bar{padding:14px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;border-bottom:1px solid var(--line)}.ep-source-setup{max-width:620px;margin:28px 32px}.ep-exams{height:100%;min-height:650px}.ep-shell [hidden]{display:none!important}@media (max-width:950px){.ep-editor{grid-template-columns:1fr}.ep-practice{padding:20px}.ep-header{padding:18px 20px 0}.ep-source-bar{padding:14px 20px}.ep-library{grid-template-columns:1fr}.ep-tabs{gap:24px}}.ep-preview-banner{padding:8px 32px;background:var(--copper-soft);color:var(--copper-deep);font-size:12px;border-bottom:1px solid var(--copper-border)}.ep-edit-fields{border:0;padding:0;margin:0;min-width:0}:root{--paper: #f7f7f4;--paper-2: #fcfbf8;--surface: #ffffff;--ink: #17171b;--ink-2: #5b5b64;--ink-3: #9c9ca4;--ink-4: #b9b9c0;--ink-4b: #c3c3c9;--row-hover: #fafaf7;--line: #ebeae4;--line-2: #f1f0ea;--line-3: #f4f3ee;--copper: #b5683a;--copper-deep: #8f4f2a;--copper-soft: rgba(181, 104, 58, .1);--copper-border: #ded4c4;--sage: #5e8c6a;--sage-deep: #3f6b4c;--sage-soft: #e9f0ea;--gold: #c2912e;--gold-deep: #8a6418;--gold-soft: #f8f0dd;--clay: #bf563f;--clay-deep: #9a3f2c;--clay-soft: #f7e7e1;--slate: #6e7e94;--slate-deep: #566173;--slate-soft: rgba(110, 126, 148, .12);--font-display: "Space Grotesk", sans-serif;--font-mono: "IBM Plex Mono", monospace;--font-body: ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}[data-theme=dark]{--paper: #1a1714;--paper-2: #211e19;--surface: #272320;--row-hover: #2d2925;--ink: #f3efe8;--ink-2: #b0aba1;--ink-3: #837e75;--ink-4: #5e5952;--ink-4b: #514c46;--line: #332f29;--line-2: #2c2823;--line-3: #28241f;--copper: #c97f45;--copper-deep: #e0a06e;--copper-soft: rgba(201, 127, 69, .16);--copper-border: #4a3c2f;--sage: #6fa97c;--sage-deep: #9fcba8;--sage-soft: rgba(111, 169, 124, .16);--gold: #cda152;--gold-deep: #e0c487;--gold-soft: rgba(205, 161, 82, .16);--clay: #cb6b53;--clay-deep: #e59b82;--clay-soft: rgba(203, 107, 83, .16);--slate: #8492a6;--slate-deep: #aab4c4;--slate-soft: rgba(132, 146, 166, .16)}.eu-spaces-root[data-theme=copper]{--paper: #f7f7f4;--paper-2: #fcfbf8;--surface: #ffffff;--row-hover: #fafaf7;--ink: #17171b;--ink-2: #5b5b64;--ink-3: #9c9ca4;--ink-4: #b9b9c0;--ink-4b: #c3c3c9;--line: #ebeae4;--line-2: #f1f0ea;--line-3: #f4f3ee;--copper: #b5683a;--copper-deep: #8f4f2a;--copper-soft: rgba(181, 104, 58, .1);--copper-border: #ded4c4;--sage: #5e8c6a;--sage-deep: #3f6b4c;--sage-soft: #e9f0ea;--gold: #c2912e;--gold-deep: #8a6418;--gold-soft: #f8f0dd;--clay: #bf563f;--clay-deep: #9a3f2c;--clay-soft: #f7e7e1;--slate: #6e7e94;--slate-deep: #566173;--slate-soft: rgba(110, 126, 148, .12)}.eu-spaces-root[data-theme=chocolate]{--paper: #1a1714;--paper-2: #211e19;--surface: #272320;--row-hover: #2d2925;--ink: #f3efe8;--ink-2: #b0aba1;--ink-3: #837e75;--ink-4: #5e5952;--ink-4b: #514c46;--line: #332f29;--line-2: #2c2823;--line-3: #28241f;--copper: #c97f45;--copper-deep: #e0a06e;--copper-soft: rgba(201, 127, 69, .16);--copper-border: #4a3c2f;--sage: #6fa97c;--sage-deep: #9fcba8;--sage-soft: rgba(111, 169, 124, .16);--gold: #cda152;--gold-deep: #e0c487;--gold-soft: rgba(205, 161, 82, .16);--clay: #cb6b53;--clay-deep: #e59b82;--clay-soft: rgba(203, 107, 83, .16);--slate: #8492a6;--slate-deep: #aab4c4;--slate-soft: rgba(132, 146, 166, .16)}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%}body{font-family:var(--font-body);-webkit-font-smoothing:antialiased;color:var(--ink);background:var(--paper)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#dedcd3;border-radius:6px;border:3px solid transparent;background-clip:content-box}::-webkit-scrollbar-thumb:hover{background:#cdcabf;background-clip:content-box}::-webkit-scrollbar-track{background:transparent}@keyframes euPulse{0%{box-shadow:0 0 #c2912e57}70%{box-shadow:0 0 0 7px #c2912e00}to{box-shadow:0 0 #c2912e00}}@keyframes euFlash{0%{background:#b5683a1f}to{background:transparent}}@keyframes euReveal{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@keyframes euDrawer{0%{transform:translate(28px);opacity:.5}to{transform:translate(0);opacity:1}}@keyframes euPulseCopper{0%,to{box-shadow:0 0 #b5683a00}50%{box-shadow:0 0 0 3px #b5683a29}}@keyframes euSpin{to{transform:rotate(360deg)}}@keyframes euShimmer{0%{background-position:-340px 0}to{background-position:340px 0}}@keyframes euPop{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@keyframes euTray{0%{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:translateY(0)}}@keyframes euGif{0%,to{opacity:.45}50%{opacity:1}}@keyframes euBookPulse{0%{box-shadow:0 0 #b5683a4d}70%{box-shadow:0 0 0 6px #b5683a00}to{box-shadow:0 0 #b5683a00}}@keyframes euBookPop{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes euBookSpin{to{transform:rotate(360deg)}}@keyframes euBookShim{0%{background-position:-320px 0}to{background-position:320px 0}}.eu-book-pulse{animation:euBookPulse 2.2s ease-out infinite}.eu-pulse-ring{animation:euPulse 2.2s ease-out infinite}.eu-flash{animation:euFlash .7s ease-out}.eu-reveal{animation:euReveal .14s ease}.eu-drawer{animation:euDrawer .18s ease}@keyframes auRise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.au-rise{animation:auRise .16s ease-out}@keyframes euSheetRise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes euSheetFade{0%{opacity:0}to{opacity:1}}.eu-sheet{animation:euSheetRise .18s ease-out}.eu-sheet-backdrop{animation:euSheetFade .18s ease-out}.au-ul{list-style:none;margin:0;padding-left:22px}.au-ul>li{position:relative;margin-bottom:7px}.au-ul>li:before{content:"•";position:absolute;left:-18px;top:0;color:#17171b;font-weight:700}.au-ol{list-style:none;margin:0;padding-left:30px;counter-reset:auol}.au-ol>li{position:relative;margin-bottom:7px;counter-increment:auol}.au-ol>li:before{content:counter(auol);position:absolute;left:-30px;top:1px;width:19px;height:19px;border-radius:50%;background:#0f4fbf;color:#fff;font-family:IBM Plex Mono,monospace;font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center}.au-ol-plain{list-style:none;margin:0;padding-left:30px;counter-reset:auol}.au-ol-plain>li{position:relative;margin-bottom:7px;counter-increment:auol}.au-ol-plain>li:before{content:counter(auol) ".";position:absolute;left:-30px;top:0;width:24px;text-align:right;color:#1363df;font-family:IBM Plex Mono,monospace;font-weight:700}.au-standalone-list>li:last-child{margin-bottom:0}.au-print-math>.katex-display{margin:0}.au-callout-body{text-align:justify;-webkit-hyphens:auto;hyphens:auto}.au-callout-body :where(p,div){text-align:inherit}.au-callout-body :where(ul,ol){text-align:left}.au-checklist{list-style:none;margin:0;padding-left:0}.au-checklist>li{position:relative;padding-left:28px;margin-bottom:5px}.au-checklist>li:before{content:"";position:absolute;left:0;top:.16em;width:17px;height:17px;box-sizing:border-box;border-radius:5px;border:1.5px solid #D7D6CF;background-color:#fff;background-repeat:no-repeat;background-position:center;background-size:12px 12px;cursor:pointer}.au-checklist>li[data-checked]:before{border-color:#b5683a;background-color:#b5683a;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E")}.au-checklist>li[data-checked]{color:#8a8272;text-decoration:line-through}::highlight(au-comment){background:#fbf1e6}::highlight(au-comment-active){background:#f6e0b8}[data-au-block-id][data-au-comment-focus]{box-shadow:inset 3px 0 #e3a72c}.au-gterm{border-bottom:1px dotted #0F4FBF;font-weight:700}.au-iterm{border-bottom:1px dotted #3F8A86}.au-print .au-gterm,.au-print .au-iterm{cursor:inherit}[data-au-block-id] .au-gterm:hover,[data-au-block-id] .au-iterm:hover{background:#0f4fbf12;cursor:pointer}::highlight(au-term-jump){background:#f6e0b8}.au-body{text-align:justify;-webkit-hyphens:auto;hyphens:auto}.au-callout-body>div,.au-callout-body>p{text-indent:1.5em;margin:0}.au-nec-lookup-body,.au-nec-lookup-body>div,.au-nec-lookup-body>p{text-indent:0}.au-chapter-intro>div,.au-chapter-intro>p{text-indent:1.5em;margin:0}.au-chapter-intro:empty:before{content:attr(data-placeholder);color:#c2bcb2}::highlight(au-proofread){background:#fbeae8;text-decoration:underline;text-decoration-color:#b3261e;text-decoration-style:wavy}::highlight(au-proofread-active){background:#f6c9c4}.bookhost .pagedjs_pages{display:flex;flex-direction:column;align-items:center}.bookhost.spread{transform:scale(.48);transform-origin:top center}.bookhost.spread .pagedjs_pages{flex-direction:row;flex-wrap:wrap;justify-content:center;align-items:flex-start;width:calc(17in + 6px);margin:0 auto}.bookhost.spread .pagedjs_page{margin:0!important;box-shadow:0 4px 18px #00000029!important}.bookhost.spread .spread-spacer{width:8.5in;height:11in;flex:none}#pdf-print-root{display:none}@media print{html.pdf-print body>#root{display:none!important}html.pdf-print #pdf-print-root{display:block!important}html.pdf-print,html.pdf-print body{margin:0!important;padding:0!important;background:#fff!important}#pdf-print-root .pagedjs_pages{display:block!important;transform:none!important;width:auto!important}#pdf-print-root .pagedjs_page{box-shadow:none!important;margin:0!important;break-after:page;page-break-after:always}#pdf-print-root .spread-spacer{display:none!important}}.eu-richtext p{margin:0 0 .65em}.eu-richtext p:last-child{margin-bottom:0}.eu-richtext ul,.eu-richtext ol{margin:0 0 .65em;padding-left:20px}.eu-richtext li{margin-bottom:.2em}.eu-richtext a{color:var(--copper-deep);text-decoration:underline}@media (prefers-reduced-motion: reduce){.eu-pulse-ring,.eu-flash,.eu-reveal,.eu-drawer{animation:none}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important}}@media (prefers-reduced-motion: reduce){.eu-sheet,.eu-sheet-backdrop{animation:euSheetFade .09s ease-out!important}}button,input{font-family:inherit}a{color:inherit}.lift{transition:border-color .12s,transform .12s,background .12s}.lift:hover{border-color:var(--copper-border);transform:translateY(-1px)}.row-hover{transition:background .12s}.row-hover:hover{background:var(--row-hover)}.completed-rail-row{transition:background .12s}.completed-rail-row:hover{background:#f3efe8!important}.completed-rail-row:has(.completed-rail-target[aria-pressed=true]){background:#b5683a1a!important}.completed-rail-target:focus-visible{outline:0;box-shadow:inset 0 0 0 2px #ded4c4}.nav-btn{transition:background .12s}.nav-btn:hover{background:var(--row-hover)}.menu-item{transition:background .12s}.menu-item:hover{background:var(--paper)}.eu-rail-scroll{scrollbar-width:none}.eu-rail-scroll::-webkit-scrollbar{display:none}.production-comment .editable-comment-actions{opacity:0;transition:opacity .12s}.production-comment:hover .editable-comment-actions,.production-comment:focus-within .editable-comment-actions{opacity:1}@media (hover: none) and (pointer: coarse){.production-comment .editable-comment-actions{opacity:1}.lift:active{border-color:var(--copper-border);background:var(--row-hover)}.row-hover:active,.nav-btn:active{background:var(--row-hover)}.menu-item:active{background:var(--paper)}}@media (max-width: 640px){.eu-mobile-content>*{padding-left:14px!important;padding-right:14px!important;box-sizing:border-box}.eu-mobile-content>.eu-edge{padding-left:0!important;padding-right:0!important}}[data-au-block-id] [contenteditable] ul:not(.au-ul),.au-print ul:not(.au-ul){padding-left:1.4em;list-style:disc;text-indent:0}[data-au-block-id] [contenteditable] li,.au-print li{text-indent:0}td[data-merge-ticks=true]:before,td[data-merge-ticks=true]:after{content:"";position:absolute;width:6px;height:6px;background:#1363df;pointer-events:none}td[data-merge-ticks=true]:before{top:0;left:0}td[data-merge-ticks=true]:after{bottom:0;right:0}.au-callout{--callout-hue: #1363DF;padding:11px 14px!important}.au-callout[data-callout=example]{--callout-hue: #0F4FBF}.au-callout[data-callout=tryit]{--callout-hue: #6A4FB0}.au-callout[data-callout=scenario]{--callout-hue: #0F7A83}.au-callout[data-callout-style=bar]{border-left-width:1px!important}.au-callout>div:first-of-type{gap:8px!important;margin-bottom:5px!important}.au-callout>div:first-of-type>span:last-child{font-size:10.5px!important;letter-spacing:.08em!important}.au-callout[data-callout-style=bar]>div:first-of-type{background:var(--callout-hue);margin:-11px -14px 11px!important;padding:7px 14px;gap:9px!important}.au-callout[data-callout-style=bar]>div:first-of-type>span:last-child{color:#fff!important;letter-spacing:.1em!important}.au-callout[data-callout-style=bar] .au-ul>li:before{color:var(--callout-hue)}.au-callout[data-callout-style=topbar]{border:0!important;border-top:4px solid #E3A72C!important;padding:10px 14px 11px!important}.au-callout[data-callout=funfact]>div:first-of-type>span:last-child{color:#8f6400!important}@media screen and (max-width: 767px),screen and (pointer: coarse){input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=color]):not([type=file]):not([type=button]):not([type=submit]):not([type=reset]):not([type=hidden]),select,textarea{font-size:max(16px,1em)!important}}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}