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var(--tw-divide-y-reverse)))}:where(.divide-\[var\(--border\)\]>:not(:last-child)){border-color:var(--border)}.overflow-hidden{overflow:hidden}.overflow-x-auto{overflow-x:auto}.rounded{border-radius:.25rem}.rounded-2xl{border-radius:var(--radius-2xl)}.rounded-full{border-radius:2147483647px}.rounded-lg{border-radius:var(--radius-lg)}.rounded-md{border-radius:var(--radius-md)}.rounded-xl{border-radius:var(--radius-xl)}.border{border-style:var(--tw-border-style);border-width:1px}.border-y{border-block-style:var(--tw-border-style);border-block-width:1px}.border-b{border-bottom-style:var(--tw-border-style);border-bottom-width:1px}.border-\[var\(--border\)\]{border-color:var(--border)}.border-\[var\(--border-strong\)\]{border-color:var(--border-strong)}.bg-\[var\(--border\)\]{background-color:var(--border)}.bg-\[var\(--primary\)\]{background-color:var(--primary)}.bg-\[var\(--surface\)\]{background-color:var(--surface)}.bg-\[var\(--surface-muted\)\]{background-color:var(--surface-muted)}.bg-\[var\(--surface-strong\)\]{background-color:var(--surface-strong)}.bg-\[linear-gradient\(90deg\,var\(--primary\)\,var\(--accent\)\)\]{background-image:linear-gradient(90deg,var(--primary),var(--accent))}.p-1{padding:var(--spacing)}.p-2{padding:calc(var(--spacing) * 2)}.p-3{padding:calc(var(--spacing) * 3)}.p-4{padding:calc(var(--spacing) * 4)}.p-5{padding:calc(var(--spacing) * 5)}.px-2\.5{padding-inline:calc(var(--spacing) * 2.5)}.px-3{padding-inline:calc(var(--spacing) * 3)}.px-4{padding-inline:calc(var(--spacing) * 4)}.px-5{padding-inline:calc(var(--spacing) * 5)}.py-0\.5{padding-block:calc(var(--spacing) * .5)}.py-2{padding-block:calc(var(--spacing) * 2)}.py-3{padding-block:calc(var(--spacing) * 3)}.pt-3{padding-top:calc(var(--spacing) * 3)}.pt-4{padding-top:calc(var(--spacing) * 4)}.pb-2{padding-bottom:calc(var(--spacing) * 2)}.pb-3{padding-bottom:calc(var(--spacing) * 3)}.pb-5{padding-bottom:calc(var(--spacing) * 5)}.text-left{text-align:left}.font-display{font-family:var(--font-amat-display)}.font-mono{font-family:var(--font-amat-mono)}.text-2xl{font-size:var(--text-2xl);line-height:var(--tw-leading,var(--text-2xl--line-height))}.text-lg{font-size:var(--text-lg);line-height:var(--tw-leading,var(--text-lg--line-height))}.text-sm{font-size:var(--text-sm);line-height:var(--tw-leading,var(--text-sm--line-height))}.text-xl{font-size:var(--text-xl);line-height:var(--tw-leading,var(--text-xl--line-height))}.text-xs{font-size:var(--text-xs);line-height:var(--tw-leading,var(--text-xs--line-height))}.leading-relaxed{--tw-leading:var(--leading-relaxed);line-height:var(--leading-relaxed)}.font-bold{--tw-font-weight:var(--font-weight-bold);font-weight:var(--font-weight-bold)}.font-medium{--tw-font-weight:var(--font-weight-medium);font-weight:var(--font-weight-medium)}.font-semibold{--tw-font-weight:var(--font-weight-semibold);font-weight:var(--font-weight-semibold)}.tracking-tight{--tw-tracking:var(--tracking-tight);letter-spacing:var(--tracking-tight)}.tracking-wide{--tw-tracking:var(--tracking-wide);letter-spacing:var(--tracking-wide)}.break-words{overflow-wrap:break-word}.break-all{word-break:break-all}.text-\[var\(--foreground\)\]{color:var(--foreground)}.text-\[var\(--foreground-muted\)\]{color:var(--foreground-muted)}.text-\[var\(--primary\)\]{color:var(--primary)}.uppercase{text-transform:uppercase}.shadow-\[var\(--shadow-soft\)\]{--tw-shadow:var(--shadow-soft);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.transition-\[width\]{transition-property:width;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.duration-300{--tw-duration:.3s;transition-duration:.3s}.focus-visible\:outline-2:focus-visible{outline-style:var(--tw-outline-style);outline-width:2px}.focus-visible\:outline-offset-2:focus-visible{outline-offset:2px}.focus-visible\:outline-\[var\(--primary\)\]:focus-visible{outline-color:var(--primary)}.data-\[state\=active\]\:border-\[var\(--foreground\)\][data-state=active]{border-color:var(--foreground)}.data-\[state\=active\]\:bg-\[var\(--foreground\)\][data-state=active]{background-color:var(--foreground)}.data-\[state\=active\]\:text-\[var\(--surface\)\][data-state=active]{color:var(--surface)}@media (prefers-reduced-motion:reduce){.motion-reduce\:animate-none{animation:none}.motion-reduce\:transition-none{transition-property:none}}@media (width>=40rem){.sm\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.sm\:p-6{padding:calc(var(--spacing) * 6)}.sm\:px-6{padding-inline:calc(var(--spacing) * 6)}.sm\:pb-6{padding-bottom:calc(var(--spacing) * 6)}}@media (width>=64rem){.lg\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}}:root{color-scheme:light;--shell-maroon-950:#09090b;--shell-maroon-900:#ffffffe6;--shell-maroon-800:#27272a;--shell-maroon-700:#3f3f46;--shell-maroon-600:#52525b;--shell-orange:#09090b;--shell-orange-soft:#71717a;--shell-cream:#fbfbfd;--shell-sand:#f4f4f5;--shell-paper:#fafafa;--shell-line:#e4e4e7;--sidebar-width:288px;--sidebar-width-collapsed:86px;--topbar-height:72px;--workspace-radius:26px;--shell-ease:cubic-bezier(.2, .8, .2, 1);--font-amat-sans:"Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", 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#ffffffd9}html[data-theme=dark]{color-scheme:dark;--shell-maroon-950:#09090b;--shell-maroon-900:#18181b;--shell-maroon-800:#27272a;--shell-maroon-700:#3f3f46;--shell-maroon-600:#52525b;--shell-orange:#fafafa;--shell-orange-soft:#a1a1aa;--shell-cream:#fafafa;--shell-sand:#18181b;--shell-paper:#111113;--shell-line:#27272a;--background:#09090b;--background-deep:#050506;--surface:#111113;--surface-muted:#18181b;--surface-strong:#27272a;--surface-maroon:#ffffff0b;--foreground:#fafafa;--foreground-muted:#a1a1aa;--foreground-soft:#71717a;--border:#ffffff1a;--border-strong:#ffffff2b;--primary:#fafafa;--primary-foreground:#09090b;--primary-hover:#e4e4e7;--primary-soft:#ffffff12;--accent:#fafafa;--accent-strong:#f4f4f5;--accent-soft:#ffffff0e;--olive:#d4d4d8;--olive-soft:#ffffff0f;--success:#4ade80;--success-soft:#16a34a2e;--warning:#facc15;--warning-soft:#ca8a042e;--destructive:#f87171;--destructive-soft:#dc26262e;--focus:#60a5fa;--spotlight:#ffffff0d;--glass-surface:#111113c7;--glass-surface-strong:#111113f0;--glass-border:#ffffff1a;--glass-highlight:#ffffff14;--nav-surface:#111113e6;--nav-surface-solid:#111113;--nav-border:#ffffff1a;--nav-text:#a1a1aa;--nav-text-active:#fafafa;--nav-item-hover:#ffffff0e;--nav-item-active:#ffffff17;--nav-active-marker:#fafafa;--nav-shadow:0 16px 42px #0006, inset 0 1px 0 #ffffff12;--menu-surface:#111113f5;--grid-line:#ffffff09;--shadow-soft:0 1px 2px #0000004d, 0 12px 32px #0003;--shadow-raised:0 20px 60px #00000061;--gradient-study:linear-gradient(135deg, #18181b 0%, #27272a 100%);--gradient-ember:linear-gradient(120deg, #18181b 0%, #27272a 100%);--gradient-soft:linear-gradient(135deg, #111113 0%, #18181b 100%);--material-ultra-thin:#1111139e;--material-thin:#111113b8;--material-regular:#111113d6;--material-thick:#111113f0;--apple-shadow-card:0 1px 2px #00000059, 0 16px 36px -6px #0000005c, inset 0 1px 1px 0 #ffffff0f;--apple-shadow-hover:0 1px 2px #00000073, 0 22px 50px -8px #0000007a, inset 0 1px 1px 0 #ffffff17;--apple-border-specular:1px solid #ffffff1a}@media (forced-colors:active){:root,html[data-theme=dark]{--border:CanvasText;--border-strong:CanvasText;--focus:Highlight;--spotlight:transparent;--nav-border:CanvasText;--nav-text:CanvasText;--nav-text-active:CanvasText;--nav-active-marker:Highlight;--glass-border:CanvasText}}*{box-sizing:border-box}html{background:var(--background);color:var(--foreground);font-family:var(--font-amat-sans);text-rendering:optimizelegibility}body{background:var(--background);min-width:320px;min-height:100vh;margin:0}a{color:inherit;text-underline-offset:.18em}button,input,textarea,select{font:inherit}button,a,input,[tabindex]:not([tabindex="-1"]){outline-offset:3px}:focus-visible{outline:3px solid var(--focus)}::selection{background:var(--accent-soft)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site-shell{min-height:100vh}.site-header{border-bottom:1px solid var(--border);backdrop-filter:blur(10px);z-index:30;background:#fff9f1f0;position:sticky;top:0}.site-header__inner,.page-width{width:min(calc(100% - 2rem), var(--content-max));margin-inline:auto}.site-header__inner{justify-content:space-between;align-items:center;gap:1rem;min-height:4rem;display:flex}.wordmark{font-family:var(--font-amat-display);letter-spacing:-.02em;align-items:baseline;gap:.55rem;font-weight:760;text-decoration:none;display:inline-flex}.site-nav{gap:.25rem;display:flex}.site-nav a{border-radius:var(--radius-sm);min-height:2.75rem;color:var(--foreground-muted);align-items:center;padding-inline:.75rem;font-weight:650;text-decoration:none;display:inline-flex}.site-nav a:hover{background:var(--surface-muted);color:var(--foreground)}main{min-height:calc(100vh - 4rem)}.page-intro{padding-block:clamp(2rem,5vw,4.5rem) 2rem}.display-title{max-width:18ch;font-family:var(--font-amat-display);letter-spacing:-.055em;margin:.45rem 0 0;font-size:clamp(2.25rem,7vw,5.75rem);font-weight:780;line-height:.96}.lede{max-width:66ch;color:var(--foreground-muted);margin-top:1.25rem;font-size:clamp(1rem,2vw,1.18rem);line-height:1.7}.route-grid{border-block:1px solid var(--border);background:var(--border);gap:1px;display:grid}.route-link{background:var(--surface);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:1rem;min-height:7rem;padding:1.25rem;text-decoration:none;display:grid}.route-link:hover{background:var(--surface-muted)}.route-link strong{font-family:var(--font-amat-display);font-size:1.2rem;display:block}.route-link small{color:var(--foreground-muted);margin-top:.35rem;line-height:1.45;display:block}.status-pill{border:1px solid var(--border-strong);text-transform:uppercase;letter-spacing:.06em;border-radius:999px;padding:.35rem .65rem;font-size:.72rem;font-weight:750}.lab-breadcrumbs{min-height:2.75rem;color:var(--foreground-muted);flex-wrap:wrap;align-items:center;gap:.45rem;font-size:.9rem;display:flex}.lab-breadcrumbs a{font-weight:650}.lab-route__header{border-bottom:1px solid var(--border);gap:.75rem;padding-block:1.25rem 1.5rem;display:grid}.lab-route__header h1{font-family:var(--font-amat-display);letter-spacing:-.045em;margin:0;font-size:clamp(2rem,6vw,4.25rem);line-height:1}.lab-route__header p{max-width:72ch;color:var(--foreground-muted);margin:0;line-height:1.6}.no-js-reference{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);margin-top:1rem;padding:1rem}.no-js-reference summary{cursor:pointer;align-items:center;min-height:2.75rem;font-weight:750;display:flex}.reference-table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;margin-top:1rem}.reference-table th,.reference-table td{border-bottom:1px solid var(--border);text-align:center;padding:.55rem}@media (width<=680px){.wordmark__descriptor,.site-nav a:not(:last-child){display:none}.site-header__inner,.page-width{width:min(calc(100% - 1.25rem), var(--content-max))}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.skip-link{z-index:100;background:var(--foreground);color:var(--background);padding:.75rem 1rem;font-weight:800;position:fixed;inset:0 auto auto 0;transform:translateY(-140%)}.skip-link:focus{transform:translateY(0)}.update-banner,.network-status{border-bottom:1px solid var(--border-strong);background:var(--accent-soft);width:100%;padding:.7rem max(1rem, calc((100vw - var(--content-max)) / 2))}.update-banner{flex-wrap:wrap;align-items:center;gap:.65rem;display:flex}.update-banner[hidden],.network-status[hidden]{display:none}.update-banner span{flex:24rem}.update-banner button{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);min-height:2.75rem;color:var(--foreground);cursor:pointer;padding:.5rem .85rem;font-weight:750}.update-banner button:first-of-type{background:var(--primary);border-color:var(--primary);color:var(--primary-foreground)}.network-status{background:var(--surface-muted);color:var(--foreground-muted);text-align:center;font-weight:700}.section-heading{justify-content:space-between;align-items:end;gap:1rem;margin-bottom:1rem;display:flex}.section-heading h2,.feature-band h2,.module-section h2,.lesson-header h1,.learning-lab h2,.probability-lab h2,.proof-lab h2,.data-manager h2{font-family:var(--font-amat-display);letter-spacing:-.035em;margin:.25rem 0 0;line-height:1.08}.section-heading h2,.feature-band h2,.module-section h2{font-size:clamp(1.55rem,4vw,2.5rem)}.module-section,.feature-band{padding-block:1.5rem 3rem}.feature-band{border-top:1px solid 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0!important;font-size:.6rem!important;font-weight:720!important}.mobile-nav-link:hover{border-color:var(--editorial-rule);background:var(--editorial-secondary-soft)!important;color:var(--editorial-ink)!important}.mobile-nav-link.is-active{border-color:var(--editorial-ink);background:var(--editorial-secondary)!important;color:var(--editorial-ink)!important}.mobile-nav-link.is-active:after{background:var(--editorial-signal)!important;border-radius:0!important;height:3px!important;bottom:.14rem!important;left:30%!important;right:30%!important}.mobile-more-menu__panel{min-width:min(18rem,100vw - 1rem);border:2px solid var(--editorial-ink)!important;border-radius:var(--editorial-radius-md)!important;background:var(--editorial-paper-pure)!important;color:var(--editorial-ink)!important;box-shadow:5px 5px 0 var(--editorial-ink)!important;bottom:calc(100% + 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(width<=640px){.study-bento-grid--topics{grid-template-columns:1fr!important}.study-bento-card.apple-glass-card,.study-bento-card.apple-glass-card:nth-child(2n),.study-bento-card.apple-glass-card:last-child{grid-column:auto;border-right:0!important;border-bottom:1.5px solid var(--editorial-ink)!important;min-height:0!important}.study-bento-card.apple-glass-card:last-child{border-bottom:0!important}}@media (forced-colors:active){.study-bento-grid--topics,.study-bento-card.apple-glass-card,.study-topic-icon.apple-icon-squircle{color:canvastext!important;box-shadow:none!important;background:canvas!important;border-color:canvastext!important}.study-catalog__intro h2,.study-catalog__intro p,.study-catalog__intro .section-context,.study-topic-notation,.study-bento-card>div>strong,.study-bento-card>div>span,.study-bento-meta{color:canvastext!important}}[data-route=\/progress] .page-intro{background:var(--editorial-secondary)!important;color:var(--editorial-ink)!important;border:2px solid var(--editorial-ink)!important;border-radius:var(--editorial-radius-md)!important;box-shadow:var(--editorial-shadow-md)!important;backdrop-filter:none!important;margin-block:1.5rem!important;padding:clamp(1.5rem,4vw,3rem)!important}[data-route=\/progress] .page-intro .display-title{text-wrap:balance;max-width:20ch;color:var(--editorial-ink)!important;font:820 clamp(2.3rem, 5vw, 5rem)/1.02 var(--font-amat-display)!important;letter-spacing:-.065em!important;margin:0!important}[data-route=\/progress] .page-intro .display-title:after{content:none}[data-route=\/progress] .page-intro .page-context{letter-spacing:.07em;text-transform:uppercase;color:var(--editorial-signal)!important;font-family:var(--font-amat-mono)!important;margin-top:1rem!important;font-size:.68rem!important;font-weight:780!important}[data-route=\/progress] .page-intro .lede,[data-route=\/progress] .route-note{max-width:68ch!important;color:var(--editorial-ink-muted)!important}[data-route=\/progress] .route-note{border-top:1.5px solid var(--editorial-rule)!important}[data-route=\/progress] .route-note summary{text-decoration-color:var(--editorial-signal);color:var(--editorial-ink)!important}[data-route=\/progress] .page-intro .page-context,[data-route=\/progress] .page-intro .lede,[data-route=\/progress] .page-intro .route-note{color:var(--editorial-ink)!important}[data-route=\/progress] .page-intro .page-context{text-transform:none;letter-spacing:normal;font-size:.9rem!important}[data-route=\/progress] .route-note summary:focus-visible{outline:3px solid var(--editorial-ink);outline-offset:4px}[data-route=\/progress] .section-shell{padding-block:clamp(2rem,4vw,3.5rem)!important}.progress-dashboard{gap:1.25rem!important}.progress-overview{border:2px solid var(--editorial-ink);background:var(--editorial-ink);grid-template-columns:repeat(5,minmax(0,1fr))!important;gap:0!important;display:grid!important}.progress-module{min-width:0;border:0!important;border-right:1.5px solid 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var(--font-amat-display)!important;letter-spacing:-.045em!important}[data-route=\/progress] .section-heading .section-context{font-family:var(--font-amat-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--editorial-signal)!important}.data-manager{border:2px solid var(--editorial-ink)!important;border-radius:var(--editorial-radius-sm)!important;background:var(--editorial-paper-pure)!important;color:var(--editorial-ink)!important;box-shadow:4px 4px 0 var(--editorial-ink)!important;padding:clamp(1rem,2.4vw,1.5rem)!important}.data-manager__counts{border:1.5px solid var(--editorial-ink);gap:0!important}.data-manager__counts span{border:0!important;border-right:1px solid var(--editorial-ink)!important;background:var(--editorial-paper)!important;color:var(--editorial-ink-muted)!important;border-radius:0!important}.data-manager__counts span:last-child{border-right:0!important}.data-manager__counts strong{color:var(--editorial-ink)!important}.data-manager .amat-button,.data-manager .file-button{border:1.5px solid var(--editorial-ink)!important;border-radius:var(--editorial-radius-xs)!important;background:var(--editorial-paper-pure)!important;min-height:44px!important;color:var(--editorial-ink)!important}@media (width<=1000px){.progress-overview{grid-template-columns:repeat(2,minmax(0,1fr))!important}.progress-module{border-bottom:1.5px solid var(--editorial-ink)!important}.progress-module:nth-child(2n){border-right:0!important}.progress-module:last-child{grid-column:1/-1;border-bottom:0!important}}@media (width<=640px){.progress-overview{grid-template-columns:1fr!important}.progress-module,.progress-module:nth-child(2n),.progress-module:last-child{grid-column:auto;border-right:0!important}.progress-module+.progress-module{border-top:1.5px solid var(--editorial-ink)!important}.data-manager__counts{grid-template-columns:1fr!important}.data-manager__counts span{border-right:0!important;border-bottom:1px solid var(--editorial-ink)!important}.data-manager__counts span:last-child{border-bottom:0!important}}@media (forced-colors:active){[data-route=\/progress] .page-intro,.progress-overview,.progress-module,.progress-focus__stats,.progress-focus__stats>div,.progress-skill-grid,.progress-skill,.progress-skill__status,.data-manager,.data-manager__counts,.data-manager__counts span,.data-manager .amat-button,.data-manager .file-button{color:canvastext!important;box-shadow:none!important;background:canvas!important;border-color:canvastext!important}[data-route=\/progress] .page-intro .display-title,[data-route=\/progress] .page-intro .page-context,[data-route=\/progress] .page-intro .lede,.progress-module h3,.progress-focus__stats strong,.progress-focus__stats span,[data-route=\/progress] .section-heading h2,[data-route=\/progress] .section-heading .section-context,.data-manager__counts strong{color:canvastext!important}}[data-route=\/reference] .page-intro{border-bottom:2px solid var(--editorial-ink);padding-block:clamp(2.5rem,6vw,5rem) 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minmax(12rem,.5fr)!important;gap:.75rem!important;padding:1rem!important;display:grid!important}.reference-browser__field{font-family:var(--font-amat-mono);letter-spacing:.04em;color:var(--editorial-ink)!important;gap:.35rem!important;font-size:.68rem!important;font-weight:700!important}.reference-browser__field input,.reference-browser__field select{border:2px solid var(--editorial-ink)!important;border-radius:var(--editorial-radius-xs)!important;background:var(--editorial-paper)!important;min-height:46px!important;color:var(--editorial-ink)!important;box-shadow:none!important}.reference-browser__field input:focus-visible,.reference-browser__field select:focus-visible{outline:3px solid var(--focus)!important;outline-offset:2px!important;border-color:var(--editorial-ink)!important}.reference-browser__summary{font-family:var(--font-amat-mono);color:var(--editorial-ink-muted)!important;font-size:.72rem!important}.reference-browser__summary 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.lede,.reference-browser__summary,.reference-browser__summary strong,.reference-entry__summary code,.reference-entry__summary strong,.reference-entry__body,.reference-entry__module,.reference-entry__assumption{color:canvastext!important}}[data-route=\/saved] .page-intro{border-bottom:2px solid var(--editorial-ink);padding-block:clamp(2.5rem,6vw,5rem) clamp(2rem,4vw,3rem)!important}[data-route=\/saved] .display-title{max-width:12ch;color:var(--editorial-ink)!important;font:820 clamp(3rem, 7vw, 7rem)/.9 var(--font-amat-display)!important;letter-spacing:-.065em!important;margin:0!important}[data-route=\/saved] .page-context{letter-spacing:.07em;text-transform:uppercase;color:var(--editorial-signal)!important;font-family:var(--font-amat-mono)!important;font-size:.68rem!important;font-weight:780!important}[data-route=\/saved] .lede,[data-route=\/saved] .route-note{color:var(--editorial-ink-muted)!important}[data-route=\/saved] 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var(--editorial-ink)!important;background:var(--editorial-paper-pure)!important;border-radius:0!important;grid-template-columns:minmax(0,1fr) auto!important;align-items:center!important;gap:1.5rem!important;padding:clamp(1rem,2.5vw,1.5rem)!important;display:grid!important}.setting-row:last-of-type{border-bottom:0!important}.setting-row strong{display:block;color:var(--editorial-ink)!important;font:780 1rem/1.2 var(--font-amat-display)!important}.setting-row small{max-width:55ch;margin-top:.35rem;line-height:1.5;display:block;color:var(--editorial-ink-muted)!important}.setting-row input[type=checkbox]{appearance:none;cursor:pointer;position:relative;border:2px solid var(--editorial-ink)!important;background:var(--editorial-paper-muted)!important;border-radius:999px!important;width:3.25rem!important;height:1.85rem!important}.setting-row input[type=checkbox]:after{border:1.5px solid var(--editorial-ink);background:var(--editorial-paper-pure);content:"";width:1.25rem;height:1.25rem;transition:left var(--editorial-duration-ui) var(--editorial-ease);border-radius:999px;position:absolute;top:50%;left:.18rem;transform:translateY(-50%)}.setting-row input[type=checkbox]:checked{background:var(--editorial-secondary)!important}.setting-row input[type=checkbox]:checked:after{background:var(--editorial-signal);left:1.52rem}.setting-row input[type=checkbox]:focus-visible{outline-offset:4px;outline:3px solid var(--focus)!important}.settings-grid .amat-feedback{margin:1rem!important}@media (width<=640px){.setting-row{justify-items:start;grid-template-columns:1fr!important}}@media (prefers-reduced-motion:reduce){.setting-row input[type=checkbox]:after{transition:none}}html[data-motion=reduced] .setting-row input[type=checkbox]:after{transition:none}@media (forced-colors:active){[data-route=\/settings] .page-intro,.settings-grid,.setting-row,.setting-row 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.section-label{letter-spacing:.05em;text-transform:uppercase;color:var(--editorial-signal)!important;font-family:var(--font-amat-mono)!important;font-size:.68rem!important;font-weight:760!important}[data-route=\/exam] .exam-question-nav{gap:.35rem!important}[data-route=\/exam] .exam-question-nav button{min-width:44px;min-height:44px;border:1.5px solid var(--editorial-ink)!important;border-radius:var(--editorial-radius-xs)!important;background:var(--editorial-paper-pure)!important;color:var(--editorial-ink)!important}[data-route=\/exam] .exam-question-nav button[aria-current=true],[data-route=\/exam] .exam-question-nav button.is-active{background:var(--editorial-secondary)!important}[data-route=\/exam] .mixed-question{background:0 0!important;border:0!important}[data-route=\/exam] .mixed-question__head h2,[data-route=\/exam] .mixed-question__head h3{color:var(--editorial-ink)!important;font-family:var(--font-amat-display)!important;letter-spacing:-.035em!important}[data-route=\/exam] 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svg{max-height:5.75rem!important}.home-workbench-link.apple-glass-card{min-height:2.75rem!important;padding-block:.28rem!important}.home-workbench-link__description{font-size:.68rem!important;line-height:1.25!important}}@media (width>=1600px){.home-hero{padding-block:.9rem!important}.home-hero__lede,.home-hero__actions{margin-top:1rem!important}.home-hero__specs{margin-top:1.1rem!important}}[data-route=\/study] .study-dashboard__hero{align-items:start!important}[data-route=\/study] .study-panel{height:auto!important;min-height:0!important}[data-route=\/study] .study-panel__body{padding:24px!important}[data-route=\/study] .study-stat-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important}[data-route=\/reference] .reference-browser__controls{grid-template-columns:minmax(0,1fr) minmax(180px,280px) auto!important;align-items:end!important;gap:16px!important;padding:24px!important}[data-route=\/reference] .reference-entry-grid{background:0 0!important;border:0!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;align-items:start!important;gap:24px!important}.reference-entry-column{border:2px solid var(--editorial-ink);background:var(--editorial-paper-pure);min-width:0}.reference-entry-column:empty{display:none}[data-route=\/reference] .reference-entry{min-height:0!important}[data-route=\/reference] .reference-entry summary{gap:16px!important;padding:16px!important}[data-route=\/reference] .reference-entry__module{padding-right:24px}[data-route=\/reference] .reference-entry__body{padding:16px!important}[data-route="/modules/logic"] .module-overview{background:var(--editorial-paper-pure)!important;border:2px solid var(--editorial-ink)!important;border-radius:var(--editorial-radius-sm)!important;min-height:0!important;box-shadow:var(--editorial-shadow-sm)!important;grid-template-columns:1fr!important;gap:24px!important;padding:32px!important}[data-route="/modules/logic"] .module-overview 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dl{grid-template-columns:repeat(5,minmax(0,1fr));display:grid;margin:0!important}[data-route="/workbenches/logic"] .logic-workbench__notation dl>div{border-top:1px solid var(--editorial-rule);min-width:0;padding:16px!important}[data-route="/workbenches/logic"] .logic-workbench__notation dd{line-height:1.5;margin:8px 0 0!important}[data-route="/modules/logic"] .mixed-practice__progress,[data-route="/modules/logic"] .mixed-question{border:2px solid var(--editorial-ink)!important;border-radius:var(--editorial-radius-sm)!important;background:var(--editorial-paper-pure)!important;box-shadow:var(--editorial-shadow-sm)!important;color:var(--editorial-ink)!important;padding:24px!important}[data-route="/modules/logic"] .mixed-practice__progress{padding:16px 24px!important}[data-route="/modules/logic"] .mixed-question__head h3{font:750 1.25rem/1.3 var(--font-amat-display);margin:0}[data-route="/modules/logic"] 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strong{color:var(--editorial-ink)!important;font:800 clamp(1rem, 1.6vw, 1.2rem)/1.15 var(--font-amat-display)!important}[data-route^="/modules/"] .module-next-step small,[data-route^="/modules/"] .module-view-links a span,[data-route^="/modules/"] .lesson-list small,[data-route^="/modules/"] .module-supplemental small{color:var(--editorial-ink-muted)!important}[data-route^="/modules/"] .module-view-links{overflow:hidden;border-radius:var(--editorial-radius-xs)!important;margin-top:.9rem!important}[data-route^="/modules/"] .module-view-links a{min-height:4.75rem;padding:1rem!important}[data-route^="/modules/"] .module-view-links a+a{border-left:1px solid var(--editorial-ink)!important}[data-route^="/modules/"] .module-supplemental{border-radius:var(--editorial-radius-xs)!important;margin-top:1rem!important}[data-route^="/modules/"] .module-supplemental summary{min-height:48px;padding:.75rem 1rem!important}[data-route^="/modules/"] .module-supplemental__list a{min-height:4.5rem;border-top:1px solid var(--editorial-rule)!important;padding:.85rem 1rem!important}[data-route^="/modules/"] .lesson-list{overflow:hidden;border-radius:var(--editorial-radius-xs)!important}[data-route^="/modules/"] .lesson-list a{gap:1rem!important;min-height:5rem!important;padding:1rem 1.1rem!important}[data-route^="/modules/"] .lesson-list a>span:last-child{white-space:nowrap;align-items:center;gap:.45rem;display:inline-flex}[data-route^="/modules/"] .lesson-list a:focus-visible,[data-route^="/modules/"] .module-view-links a:focus-visible,[data-route^="/modules/"] .module-next-step:focus-visible,[data-route^="/modules/"] .module-tabs a:focus-visible{outline-offset:-4px;outline:3px solid var(--focus)!important}[data-route^="/modules/"] .mixed-practice__progress,[data-route^="/modules/"] .mixed-question{border:2px solid 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var(--editorial-ink);outline-offset:2px;background:var(--editorial-secondary-soft)!important}[data-route^="/modules/"] .choice-option:has(input:focus-visible){outline:3px solid var(--focus);outline-offset:3px}[data-route^="/modules/"] .mixed-practice .amat-button{border:2px solid var(--editorial-ink)!important;border-radius:var(--editorial-radius-xs)!important;min-height:44px!important;box-shadow:var(--editorial-shadow-xs)!important}[data-route^="/modules/"] .mixed-question>.amat-button:not(:disabled){background:var(--editorial-signal)!important;color:var(--editorial-on-signal)!important}[data-route^="/modules/"] .mixed-practice .amat-button:disabled{opacity:1!important;background:var(--editorial-paper-muted)!important;color:var(--editorial-ink-muted)!important;box-shadow:none!important}[data-route^="/modules/"] .mixed-question__result{border-top:2px solid var(--editorial-rule);padding-top:1rem}@media (width<=700px){[data-route^="/modules/"] .module-overview{box-shadow:3px 3px 0 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