@layer reset,base,layout,components,content,responsive;@layer reset{*,*:before,*:after{box-sizing:border-box}body,h1,h2,h3,p,figure{margin:0}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}[hidden]{display:none!important}svg{flex-shrink:0}img,svg{max-width:100%}a{color:inherit}html{scroll-behavior:smooth;scroll-padding-top:110px}button{color:inherit}main:focus{outline:none}}@layer base{:root{--bg:#fff;--surface:#f7f9fc;--surface-2:#eef3fa;--ink:#17243d;--text:#36455f;--muted:#58677e;--line:#e4eaf2;--primary:#285bdd;--button-bg:#285bdd;--primary-soft:#eef3ff;--primary-text:#2454cf;--success:#21744f;--success-bg:#f0f9f4;--warning:#965618;--warning-bg:#fff8ef;--shadow:0 16px 56px #17243d18;--sidebar-width:272px;--radius:12px;color-scheme:light}:root[data-theme=dark]{--bg:#111822;--surface:#171f2c;--surface-2:#202c3d;--ink:#eef3ff;--text:#c4cede;--muted:#9baac0;--line:#2c384b;--primary:#4c7cff;--button-bg:#325fde;--primary-soft:#1b2c4b;--primary-text:#98b7ff;--success:#86d9ac;--success-bg:#162e25;--warning:#f3bf7f;--warning-bg:#30271d;--shadow:0 16px 56px #0004;color-scheme:dark}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:1rem;line-height:1.65;-webkit-font-smoothing:antialiased}h1,h2,h3,strong{color:var(--ink)}h1{font-size:clamp(2rem,3vw,2.85rem);line-height:1.16;font-weight:720;letter-spacing:-.045em;text-wrap:balance}h2{font-size:1.45rem;line-height:1.4;letter-spacing:-.025em}h3{font-size:1.1rem;line-height:1.5;letter-spacing:-.012em}p{overflow-wrap:anywhere}a{text-decoration:none}button{border:0;background:none}input{accent-color:var(--primary)}:focus-visible{outline:3px solid var(--primary);outline-offset:4px}::selection{background:var(--primary-soft);color:var(--primary-text)}.muted{color:var(--muted)}.icon{display:inline-block;vertical-align:middle}.skip-link{position:fixed;top:10px;left:290px;padding:10px 18px;background:var(--primary);color:#fff;z-index:100;transform:translateY(-200%);border-radius:8px}.skip-link:focus{transform:none}.button{display:inline-flex;gap:10px;justify-content:center;align-items:center;padding:11px 18px;border-radius:8px;border:1px solid transparent;background:var(--button-bg);color:#fff;font-weight:600;font-size:.875rem;line-height:1.5;text-align:center;transition:background .15s}.button:hover{background:#214cc0}.button.secondary{background:var(--bg);border-color:var(--line);color:var(--text)}.button.secondary:hover{background:var(--surface)}.button.small{padding:8px 14px}.icon-button{height:40px;width:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;background:var(--bg)}.icon-button:hover{background:var(--surface-2)}kbd{font-family:inherit;font-size:.75rem;border:1px solid var(--line);border-radius:4px;padding:1px 6px;background:var(--surface);color:var(--muted)}}@layer layout{.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar-width);background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:40}.brand{display:flex;align-items:center;gap:12px;min-height:88px;padding:0 24px}.brand-mark{width:38px;height:38px;display:grid;place-items:center;background:var(--primary);color:#fff;border-radius:10px}.brand-mark svg{width:23px;height:23px}.brand-name{color:var(--ink);font-size:.94rem;font-weight:750;line-height:1.4;letter-spacing:-.02em}.brand-name>span{display:block;font-size:.64rem;letter-spacing:.23em;font-weight:600;color:var(--muted)}.sidebar-body{overflow-y:auto;padding:8px 16px 24px;flex:1}.nav-home{display:flex;gap:12px;align-items:center;padding:10px 14px;font-size:.875rem;font-weight:600;border-radius:8px}.nav-home.active,.nav-material.active{background:var(--primary-soft);color:var(--primary-text)}.nav-section{display:flex;justify-content:space-between;text-transform:uppercase;font-size:.68rem;font-weight:700;letter-spacing:.12em;color:var(--muted);padding:30px 14px 12px}.nav-section span{font-size:.68rem;letter-spacing:0}.nav-link{display:flex;gap:12px;align-items:flex-start;padding:12px 13px;font-size:.875rem;line-height:1.5;border-radius:8px}.nav-link svg{width:18px;height:18px;margin-top:2px;color:var(--muted)}.nav-link:hover,.nav-material:hover{background:var(--surface-2)}.nav-link.selected{background:var(--primary-soft);color:var(--primary-text);font-weight:600}.nav-link.selected svg{color:var(--primary-text)}.nav-module{border-left:1px solid var(--line);margin:10px 0 16px 22px;padding-left:12px}.nav-module>span{font-size:.72rem;color:var(--muted);display:block;padding:8px}.nav-material{display:block;font-size:.78rem;padding:9px 8px;border-radius:6px;line-height:1.5}.nav-material small{display:block;font-size:.72rem;color:var(--muted);margin-top:3px}.coursework-nav{margin-left:38px}.sidebar-note{border-top:1px solid var(--line);margin:26px 12px 0;padding-top:22px;display:flex;gap:10px;color:var(--muted);font-size:.75rem;line-height:1.7}.sidebar-note p span{color:var(--muted)}.sidebar-footer{display:flex;gap:12px;align-items:center;padding:22px 24px;border-top:1px solid var(--line)}.avatar{width:36px;height:36px;background:var(--surface-2);color:var(--primary-text);font-size:.7rem;font-weight:700;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.sidebar-footer strong{font-size:.75rem;line-height:1.4;display:block;font-weight:600}.sidebar-footer small{font-size:.65rem;color:var(--muted);display:block;margin-top:4px}.workspace{margin-left:var(--sidebar-width);min-width:0}.topbar{height:72px;position:sticky;top:0;z-index:30;background:var(--bg);border-bottom:1px solid var(--line);padding:0 40px;display:flex;align-items:center;justify-content:space-between;gap:16px}.topbar-start,.topbar-actions{display:flex;align-items:center;gap:12px}.topbar-label{font-size:.75rem;color:var(--muted)}.topbar-label span{margin:0 10px;color:var(--line)}.search-trigger{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:8px 10px 8px 12px;font-size:.75rem;color:var(--muted)}.search-trigger kbd{margin-left:24px;background:var(--bg)}.theme-moon{display:none}:root[data-theme=dark] .theme-moon{display:inline-block}:root[data-theme=dark] .theme-sun{display:none}.menu-toggle{display:none}.page-layout{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:44px;max-width:1500px;margin:0 auto;padding:40px 40px 0}main{min-width:0}main>section{margin:36px 0}.right-rail{position:sticky;top:112px;align-self:start;max-height:calc(100dvh - 136px);overflow:auto;padding:6px 0 10px;font-size:.78rem}.rail-label{display:block;font-weight:650;color:var(--ink);font-size:.7rem;letter-spacing:.05em;margin-bottom:20px}.toc a{display:block;padding:6px 0 6px 14px;border-left:1px solid var(--line);font-size:.74rem;color:var(--muted);line-height:1.5}.toc a:hover{color:var(--primary-text)}.toc a.current{color:var(--primary-text);border-left:2px solid var(--primary);background:var(--primary-soft)}.toc a.toc-level-3{padding-left:26px;font-size:.7rem}.rail-note{border-top:1px solid var(--line);margin-top:28px;padding-top:22px;color:var(--muted)}.rail-note p{margin-top:10px;font-size:.74rem}.page-footer{border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:64px;padding:22px 0;font-size:.66rem;color:var(--muted)}.breadcrumbs{font-size:.74rem;line-height:1.5;color:var(--muted);margin-bottom:30px}.breadcrumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}.breadcrumbs li:not(:first-child):before{content:"/";padding-right:8px;color:var(--muted)}.breadcrumbs a:hover{color:var(--primary-text)}.page-eyebrow{font-size:.66rem;text-transform:uppercase;letter-spacing:.13em;font-weight:700;color:var(--primary-text);margin-bottom:18px}.lead{font-size:1rem;line-height:1.8;color:var(--muted);margin:20px 0 24px}.title-dot{color:var(--primary)}}@layer components{.home-intro{margin:0 0 42px!important}.home-intro h1{font-size:clamp(2rem,3vw,3.1rem);line-height:1.17;letter-spacing:-.045em}.home-intro>p{margin-top:22px;font-size:.94rem;color:var(--muted);line-height:1.75}.intro-meta{display:flex;flex-wrap:wrap;gap:24px;font-size:.72rem;color:var(--text);margin-top:26px}.intro-meta span{display:flex;gap:7px;align-items:center}.intro-meta svg{width:16px;height:16px;color:var(--muted)}.section-heading{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:20px}.section-heading h2{font-size:1.25rem}.section-heading>span{font-size:.65rem;color:var(--muted)}.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.course-card{position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:24px 24px 0;background:var(--bg);display:flex;flex-direction:column;transition:border-color .15s,box-shadow .15s}.course-card:hover{border-color:var(--primary);box-shadow:0 4px 18px #285bdd09}.course-card:focus-within{outline:2px solid var(--primary);outline-offset:3px}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.course-icon{width:43px;height:43px;background:var(--primary-soft);color:var(--primary-text);display:inline-grid;place-items:center;border-radius:10px;flex-shrink:0}.course-icon svg{height:24px;width:24px}.tone-decision-methods{background:#f0edfc;color:#7046b5}.tone-ai{background:#edf8f3;color:#247759}.tone-mobile{background:#fff4e6;color:#9b6014}.tone-databases{background:#eaf6fa;color:#277589}.tone-software-modeling{background:#fceff3;color:#a74668}:root[data-theme=dark] .tone-decision-methods{background:#2c2341;color:#c5aff4}:root[data-theme=dark] .tone-ai{background:#1c352c;color:#8dd6b3}:root[data-theme=dark] .tone-mobile{background:#3b2c1d;color:#f3bc78}:root[data-theme=dark] .tone-databases{background:#1e3540;color:#8acdde}:root[data-theme=dark] .tone-software-modeling{background:#3b2632;color:#edabc2}.card-number{font-family:ui-monospace,monospace;font-size:.68rem;color:var(--muted)}.course-card h3{font-size:1.05rem;line-height:1.5;letter-spacing:-.025em}.course-card h3 a:after{position:absolute;inset:0;content:""}.course-card>p{font-size:.875rem;line-height:1.7;color:var(--muted);margin:12px 0 20px}.card-tags{display:flex;flex-wrap:wrap;gap:7px}.card-tags>span{background:var(--surface);color:var(--text);padding:3px 8px;font-size:.64rem;border-radius:4px;border:1px solid var(--line)}.course-card .card-tags{margin-top:auto}.card-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);margin-top:23px;padding:14px 0;font-size:.65rem;color:var(--muted)}.card-bottom svg{height:17px;width:17px;color:var(--primary-text)}.learning-guide{list-style:none;padding:0;margin:0}.learning-guide li{position:relative;padding:0 0 26px 33px}.learning-guide li>span{position:absolute;left:0;top:2px;font-size:.65rem;color:var(--primary-text);font-family:ui-monospace,monospace}.learning-guide strong{display:block;font-size:.77rem;font-weight:600;margin-bottom:6px}.learning-guide p{font-size:.72rem;color:var(--muted);line-height:1.65}.rail-feature{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:18px;margin-top:8px}.mini-book{display:grid;place-items:center;background:var(--bg);width:34px;height:34px;color:var(--primary-text);border:1px solid var(--line);border-radius:8px;margin-bottom:14px}.rail-feature>strong{font-size:.8rem;display:block}.rail-feature p{font-size:.72rem;margin:9px 0 16px;color:var(--muted)}.rail-feature a{font-size:.72rem;display:flex;align-items:center;justify-content:space-between;color:var(--primary-text);font-weight:600}.rail-feature a svg{width:16px}.local-note{display:flex;gap:9px;border-top:1px solid var(--line);margin-top:24px;padding-top:20px;font-size:.68rem;color:var(--muted)}.local-note svg{color:var(--success);height:17px;width:17px}.demo-banner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.demo-banner h2{font-size:1.1rem;margin:7px 0}.demo-banner p{font-size:.78rem;color:var(--muted)}.demo-banner .button{flex-shrink:0}.component-label{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--primary-text)}.continue-card{border:1px solid var(--line);padding:18px 22px;border-radius:10px}.continue-card a{display:flex;justify-content:space-between;gap:16px;margin-top:8px;font-weight:600;color:var(--primary-text)}.course-heading>.course-icon{margin-bottom:20px}.course-heading .page-eyebrow{margin-bottom:10px}.course-heading .card-tags{margin-top:20px}.course-progress{background:var(--surface);border:1px solid var(--line);padding:20px 24px;border-radius:10px;margin:28px 0}.course-progress>div{display:flex;justify-content:space-between;font-size:.82rem}.course-progress small{display:block;color:var(--muted);font-size:.72rem}.course-progress progress{width:100%;height:6px;display:block;border:0;border-radius:10px;overflow:hidden;background:var(--line);margin:12px 0}.course-progress progress::-webkit-progress-bar{background:var(--line)}.course-progress progress::-webkit-progress-value{background:var(--primary);border-radius:10px}.course-progress progress::-moz-progress-bar{background:var(--primary)}main>section>h2{margin-bottom:16px}.trajectory{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:0;margin-top:20px}.trajectory li{font-size:.84rem;display:flex;align-items:flex-start;gap:9px}.trajectory svg{width:16px;height:16px;color:var(--primary-text);margin-top:4px}.empty-state{text-align:center;padding:36px 24px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius)}.empty-state>svg{color:var(--muted);margin-bottom:12px;width:30px;height:30px}.empty-state h3,.empty-state h2{font-size:1.1rem;margin-bottom:8px}.empty-state p{font-size:.84rem;color:var(--muted)}.module-block{border:1px solid var(--line);padding:20px;border-radius:10px}.module-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:.82rem;font-weight:600;color:var(--muted)}.module-block>h3{margin:22px 0 12px}.material-list{display:grid;gap:10px}.material-row{border:1px solid var(--line);border-radius:8px;padding:15px 16px;display:grid;grid-template-columns:1fr auto;gap:4px 12px;transition:background .15s}.material-row:hover{background:var(--surface)}.material-kind{font-size:.7rem;color:var(--muted);display:flex;align-items:center;gap:6px;grid-column:1}.material-kind svg{width:15px;height:15px}.material-row>strong{font-size:.9rem;grid-column:1;font-weight:600}.material-row>.icon{grid-column:2;grid-row:1/3;align-self:center;color:var(--primary-text)}.material-done{font-size:.68rem;color:var(--success);grid-column:1}.badge,.type-badge{font-size:.68rem;padding:4px 9px;background:var(--surface-2);border-radius:5px;color:var(--muted);font-weight:500}.type-badge{background:var(--primary-soft);color:var(--primary-text)}.coursework-card{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);padding:20px;border-radius:10px}.coursework-card p{font-size:.8rem;color:var(--muted);margin-top:4px}.coursework-card svg{color:var(--primary-text)}dialog{border:1px solid var(--line);background:var(--bg);color:var(--text);padding:0;border-radius:16px;width:min(640px,calc(100% - 32px));max-height:80dvh;box-shadow:var(--shadow)}dialog::backdrop{background:#0e193266;backdrop-filter:blur(3px)}.search-dialog-top{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line)}.search-dialog-top h2{font-size:1.1rem}.search-input-wrap{display:flex;align-items:center;gap:12px;padding:12px 24px}.search-input-wrap svg{color:var(--muted)}#search-input{width:100%;padding:8px 0;border:0;outline:0;background:var(--bg);color:var(--ink);min-width:0}#search-input:focus-visible{outline:2px solid var(--primary);outline-offset:4px}.search-hint,#search-status{font-size:.78rem;color:var(--muted);padding:0 24px 10px}#search-results{list-style:none;padding:0 16px;margin:0;max-height:44dvh;overflow:auto}#search-results a{display:block;padding:14px 10px;border-radius:8px}#search-results a:hover,#search-results a:focus{background:var(--surface)}#search-results small{display:block;color:var(--primary-text);font-size:.68rem}#search-results strong{font-size:.9rem;display:block;margin:4px 0}#search-results p{font-size:.77rem;color:var(--muted);line-height:1.55}.search-dialog-footer{border-top:1px solid var(--line);padding:12px 24px;display:flex;gap:8px;font-size:.68rem;color:var(--muted);align-items:center}.search-dialog-footer span{margin-left:auto}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);z-index:100;box-shadow:var(--shadow);padding:12px 18px;background:var(--ink);color:var(--bg);border-radius:9px;font-size:.84rem;max-width:calc(100vw - 32px)}}@layer content{.material-heading{border-bottom:1px solid var(--line);padding-bottom:30px;margin-bottom:30px}.course-overline{font-size:.75rem;color:var(--primary-text);font-weight:600;display:inline-block;margin-bottom:16px}.material-metadata{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.material-heading h1{font-size:clamp(2rem,3vw,2.75rem)}.storage-warning{font-size:.75rem;color:var(--warning);margin-top:12px}.mark-done[aria-pressed=true]{background:var(--success-bg);border-color:var(--success);color:var(--success)}.prose{font-size:1rem;line-height:1.85}.prose h2{margin:44px 0 18px;scroll-margin-top:0}.prose h3{margin:28px 0 14px;scroll-margin-top:0}.prose p{margin:16px 0}.prose a{color:var(--primary-text);text-decoration:underline;text-underline-offset:3px}.prose ul,.prose ol{padding-left:24px}.prose li{margin:8px 0}.prose :not(pre)>code{font-size:.85em;background:var(--surface-2);color:var(--ink);padding:2px 5px;border-radius:4px;overflow-wrap:anywhere}.prose pre{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.79rem;line-height:1.8;white-space:pre;overflow-x:auto;padding:18px 20px;margin:0;tab-size:4}.code-block{border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:24px 0;background:var(--surface)}.code-block figcaption{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--surface-2);padding:9px 16px;font-size:.73rem;border-bottom:1px solid var(--line);color:var(--text)}.code-block small{color:var(--muted);margin-left:8px;font-size:.65rem}.copy-code{color:var(--muted);font-size:.7rem;padding:4px 6px;border-radius:4px}.copy-code:hover{color:var(--primary-text);background:var(--bg)}.code-block code{color:var(--text);font-family:inherit}.line-numbers{display:flex;gap:16px}.code-gutter{color:var(--muted);text-align:right;user-select:none;flex-shrink:0}.line-numbers code{flex-shrink:0}.code-line{counter-increment:line}.code-line:before{content:counter(line);display:inline-block;width:2.4em;margin-right:1.2em;color:var(--muted);user-select:none;text-align:right}.hljs-keyword,.hljs-type,.hljs-literal{color:#7450b9}.hljs-string{color:#23724c}.hljs-comment{color:#58677e;font-style:italic}.hljs-number{color:#a45714}.hljs-title,.hljs-built_in{color:#2258c5}.hljs-meta{color:#886219}:root[data-theme=dark] .hljs-keyword,:root[data-theme=dark] .hljs-type,:root[data-theme=dark] .hljs-literal{color:#cfafff}:root[data-theme=dark] .hljs-string{color:#91d4a9}:root[data-theme=dark] .hljs-comment{color:#9ca9bd}:root[data-theme=dark] .hljs-title,:root[data-theme=dark] .hljs-built_in{color:#92b5ff}:root[data-theme=dark] .hljs-number,:root[data-theme=dark] .hljs-meta{color:#f2bb88}.callout{margin:24px 0;border:1px solid var(--line);border-left:3px solid var(--primary);border-radius:0 9px 9px 0;background:var(--primary-soft);padding:18px 22px;font-size:.91rem}.callout-title{font-size:.76rem;font-weight:700;color:var(--primary-text);margin-bottom:8px}.callout p:first-child{margin-top:0}.callout p:last-child{margin-bottom:0}.callout.neutral{background:var(--surface);border-left-color:var(--muted)}.callout.neutral .callout-title{color:var(--text)}.callout.warning{background:var(--warning-bg);border-left-color:var(--warning)}.callout.warning .callout-title{color:var(--warning)}.callout.success{background:var(--success-bg);border-left-color:var(--success)}.callout.success .callout-title{color:var(--success)}.deep-dive summary{font-weight:650;color:var(--primary-text);cursor:pointer}.deep-dive[open] summary{margin-bottom:16px}.prose .interactive{margin:26px 0}.interactive{border:1px solid var(--line);border-radius:10px;padding:22px;background:var(--bg)}fieldset{min-width:0}.quiz fieldset{border:0;padding:0;margin:12px 0 20px}.quiz legend{font-weight:600;font-size:1rem;color:var(--ink);padding:0;margin-bottom:14px}.quiz-option{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--line);border-radius:8px;margin:10px 0;padding:12px 14px;font-size:.88rem;cursor:pointer}.quiz-option input{margin-top:6px;flex-shrink:0}.quiz-option:has(input:checked){border-color:var(--primary);background:var(--primary-soft)}.quiz-result{margin-top:18px;padding:16px;border-radius:8px;font-size:.88rem}.quiz-result p{margin:8px 0 0}.quiz-result.correct{background:var(--success-bg)}.quiz-result.correct strong{color:var(--success)}.quiz-result.incorrect{background:var(--warning-bg)}.quiz-result.incorrect strong{color:var(--warning)}.reveal,.accordion details,.flashcard{border:1px solid var(--line);padding:14px 18px;border-radius:8px;margin:12px 0;font-size:.9rem;background:var(--surface)}summary{cursor:pointer;color:var(--ink)}.reveal>div,.accordion details>div{margin-top:12px}.reveal-hint{display:block;margin-left:24px;font-size:.7rem;color:var(--primary-text)}.flashcard p{margin-bottom:0}.flashcard .muted{font-family:ui-monospace,monospace;margin-right:8px}.tabs{padding:0}.tab-list{display:flex;border-bottom:1px solid var(--line);gap:4px;padding:0 16px;overflow-x:auto}.tab-list button{flex-shrink:0;padding:13px 12px;font-size:.82rem;color:var(--muted);border-bottom:2px solid transparent}.tab-list button[aria-selected=true]{color:var(--primary-text);border-bottom-color:var(--primary);font-weight:600}.tab-panel{padding:22px;font-size:.92rem}.steps ol{list-style:none;padding:0;margin:16px 0}.step-count{font-size:.72rem;color:var(--muted)}.steps h3{margin:8px 0!important}.steps p{margin:8px 0}.step-controls{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:18px;font-size:.75rem}.checklist{margin:24px 0}.checklist legend{padding:0 6px;font-weight:600;color:var(--ink);font-size:.9rem}.checklist label{display:flex;gap:12px;align-items:flex-start;margin:12px 0;font-size:.88rem}.checklist input{margin-top:7px}.checklist label:has(input:checked)>span{color:var(--muted);text-decoration:line-through}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:16px;min-width:0}.comparison>div{min-width:0}.comparison h3{font-size:.9rem!important}.comparison>div:first-child>h3{color:var(--warning)}.comparison>div:nth-child(2)>h3{color:var(--success)}.comparison .code-block{margin:12px 0}.comparison .copy-code{font-size:.65rem}.comparison-reason{grid-column:1/-1;border:1px solid var(--line);border-radius:8px;padding:0 20px 10px;background:var(--surface)}.code-explanation{border-left:2px solid var(--line);padding-left:20px}.math-display{max-width:100%;overflow-x:auto;padding:12px 0}.prose .katex{font-size:1.1em}.diagram figcaption{font-size:.85rem;font-weight:600;color:var(--ink)}.diagram figcaption>.muted{display:block;font-size:.7rem;font-weight:400;margin-top:4px}.diagram-nodes{list-style:none;display:flex;gap:20px;padding:0!important;margin:24px 0!important}.diagram-nodes li{flex:1;min-width:0;position:relative;margin:0}.diagram-nodes li:not(:last-child):after{content:"\2192";position:absolute;right:-17px;top:40%;color:var(--muted);font-size:.9rem}.diagram-nodes button{width:100%;height:100%;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:16px 10px;text-align:center}.diagram-nodes button[aria-pressed=true]{border-color:var(--primary);background:var(--primary-soft)}.node-number{display:block;font-size:.65rem;color:var(--primary-text);margin-bottom:6px}.diagram-nodes strong{font-size:.78rem;display:block}.diagram-nodes small{display:block;font-size:.65rem;color:var(--muted);margin-top:6px;overflow-wrap:anywhere}.diagram-description{font-size:.85rem;color:var(--text);padding:14px 16px;background:var(--surface);border-radius:8px;min-height:88px;margin-bottom:0!important}.diagram-sequence,.diagram-state,.diagram-data-flow{flex-direction:column}.diagram-sequence li:not(:last-child):after,.diagram-state li:not(:last-child):after,.diagram-data-flow li:not(:last-child):after{content:"\2193";top:auto;bottom:-23px;right:50%}.diagram-class button{border-top:4px solid var(--primary)}.diagram-decision-tree{flex-wrap:wrap}.screen-preview{display:grid;justify-content:center;gap:20px;margin:30px 0}.device{width:250px;max-width:100%;min-height:400px;background:var(--surface);border:7px solid var(--ink);border-radius:30px;padding:18px}.device-top{font-size:.65rem;color:var(--muted)}.device h3{margin:22px 0!important}.screen-item{border:1px solid var(--line);border-radius:9px;padding:12px;background:var(--bg);margin:10px 0;font-size:.8rem}.screen-action{display:block;background:var(--button-bg);color:#fff;border-radius:8px;text-align:center;font-size:.8rem;padding:10px;margin-top:28px}.screen-preview figcaption{font-size:.8rem;text-align:center;color:var(--muted)}.material-completion{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px;margin-top:40px;background:var(--surface);border:1px solid var(--line);border-radius:10px}.material-completion strong{font-size:.94rem}.material-completion p{font-size:.78rem;color:var(--muted);margin-top:5px}.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}.prev-next a{display:flex;flex-direction:column;border:1px solid var(--line);padding:18px;border-radius:8px;gap:8px}.prev-next a:last-child{text-align:right}.prev-next span{font-size:.72rem;color:var(--primary-text)}.prev-next strong{font-size:.83rem;font-weight:500}.back-course{font-size:.83rem;color:var(--primary-text)}.mobile-toc{display:none}}@layer responsive{@media(min-width:1680px){.page-layout{padding-left:64px;padding-right:64px;gap:64px;grid-template-columns:minmax(0,1fr) 230px}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1250px){:root{--sidebar-width:248px}.page-layout{gap:28px;padding:32px;grid-template-columns:minmax(0,1fr) 175px}.topbar{padding:0 32px}.topbar-label{display:none}.course-card{padding:20px 18px 0}.section-heading>span{display:none}.demo-banner{flex-direction:column;align-items:flex-start}.intro-meta{gap:14px}}@media(max-width:1100px){.page-layout{grid-template-columns:minmax(0,1fr)}.right-rail{display:none}.mobile-toc{display:block;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:30px;font-size:.84rem}.mobile-toc nav{display:grid;gap:8px;margin-top:12px;color:var(--primary-text)}.course-grid{gap:16px}.home-intro h1{font-size:2.6rem}}@media(max-width:999px){.sidebar{transform:translate(-100%);transition:transform .2s;width:272px}.workspace{margin-left:0}.menu-toggle{display:inline-flex}.drawer-open .sidebar{transform:translate(0)}.drawer-open{overflow:hidden}.drawer-overlay{position:fixed;inset:0;background:#0e193266;z-index:35;width:100%;height:100%}.skip-link{left:16px}.topbar-label{display:block}.page-layout{max-width:920px}}@media(max-width:600px){.topbar{height:64px;padding:0 18px;gap:12px}.topbar-label{font-size:.68rem}.topbar-label span{margin:0 6px}.search-trigger{width:40px;height:40px;padding:0;justify-content:center;background:var(--bg)}.search-trigger>span,.search-trigger kbd{display:none}.topbar-actions{gap:8px}.page-layout{padding:28px 20px 0}.page-eyebrow{font-size:.62rem}.home-intro h1{font-size:2.2rem;line-height:1.22;letter-spacing:-.04em}.home-intro>p{font-size:.86rem}.desktop-break{display:none}.intro-meta{gap:12px 18px;font-size:.66rem}.course-grid{grid-template-columns:1fr}.course-card{padding:22px 22px 0}.card-top{margin-bottom:16px}.course-card h3{font-size:1.1rem}.course-card>p{font-size:.86rem}.card-tags>span{font-size:.68rem}.card-bottom{font-size:.68rem}.page-footer{margin-top:40px;flex-direction:column}.demo-banner{padding:22px}.trajectory{grid-template-columns:1fr}.breadcrumbs{font-size:.7rem}.material-heading h1{font-size:2rem}.prose{font-size:.96rem}.prose h2{font-size:1.3rem}.callout{padding:16px}.interactive{padding:18px}.tabs{padding:0}.tab-list{padding:0 6px}.tab-list button{font-size:.76rem;padding:12px 9px}.comparison{grid-template-columns:1fr}.diagram-nodes{flex-direction:column;gap:22px}.diagram-nodes li:not(:last-child):after{content:"\2193";right:50%;top:auto;bottom:-24px}.diagram-nodes button{padding:14px}.diagram-description{min-height:0}.material-completion{flex-direction:column;align-items:flex-start}.prev-next{gap:10px}.prev-next a{padding:14px}.prev-next strong{font-size:.74rem}.code-block figcaption{padding:8px 12px}.prose pre{font-size:.72rem;padding:16px 12px}.line-numbers .code-line:before{margin-right:.6em;width:1.6em}.search-dialog-top{padding:16px}.search-input-wrap{padding:12px 16px}.search-hint,#search-status{padding-left:16px;padding-right:16px}.search-dialog-footer{padding:12px 16px;font-size:.62rem}.search-dialog-footer span{font-size:.62rem}.module-heading{align-items:flex-start}.material-row{padding:14px}.material-kind{font-size:.65rem}.material-row>strong{font-size:.84rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}@media print{.sidebar,.topbar,.right-rail,.mobile-toc,.copy-code,.mark-done,.search-dialog,.toast,.prev-next,.back-course,.material-completion{display:none}.workspace{margin:0}.page-layout{display:block;padding:0}.prose pre{white-space:pre-wrap}.code-block,.callout{break-inside:avoid}body{background:#fff;color:#17243d}.page-footer{margin-top:20px}}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url("./KaTeX_AMS-Regular-U6PRYMIZ.woff2") format("woff2"),url("./KaTeX_AMS-Regular-CYEKBG2K.woff") format("woff"),url("./KaTeX_AMS-Regular-JKX5W2C4.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url("./KaTeX_Caligraphic-Bold-5QL5CMTE.woff2") format("woff2"),url("./KaTeX_Caligraphic-Bold-WZ3QSGD3.woff") format("woff"),url("./KaTeX_Caligraphic-Bold-ZTS3R3HK.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url("./KaTeX_Caligraphic-Regular-KX5MEWCF.woff2") format("woff2"),url("./KaTeX_Caligraphic-Regular-3LKEU76G.woff") format("woff"),url("./KaTeX_Caligraphic-Regular-A7XRTZ5Q.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url("./KaTeX_Fraktur-Bold-2QVFK6NQ.woff2") format("woff2"),url("./KaTeX_Fraktur-Bold-T4SWXBMT.woff") format("woff"),url("./KaTeX_Fraktur-Bold-WGHVTYOR.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url("./KaTeX_Fraktur-Regular-2PEIFJSJ.woff2") format("woff2"),url("./KaTeX_Fraktur-Regular-PQMHCIK6.woff") format("woff"),url("./KaTeX_Fraktur-Regular-5U4OPH2X.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url("./KaTeX_Main-Bold-YP5VVQRP.woff2") format("woff2"),url("./KaTeX_Main-Bold-2GA4IZIN.woff") format("woff"),url("./KaTeX_Main-Bold-W5FBVCZM.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url("./KaTeX_Main-BoldItalic-N4V3DX7S.woff2") format("woff2"),url("./KaTeX_Main-BoldItalic-4P4C7HJH.woff") format("woff"),url("./KaTeX_Main-BoldItalic-ODMLBJJQ.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url("./KaTeX_Main-Italic-RELBIK7M.woff2") format("woff2"),url("./KaTeX_Main-Italic-SASNQFN2.woff") format("woff"),url("./KaTeX_Main-Italic-I43T2HSR.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url("./KaTeX_Main-Regular-ARRPAO67.woff2") format("woff2"),url("./KaTeX_Main-Regular-P5I74A2A.woff") format("woff"),url("./KaTeX_Main-Regular-W74P5G27.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url("./KaTeX_Math-BoldItalic-K4WTGH3J.woff2") format("woff2"),url("./KaTeX_Math-BoldItalic-6EBV3DK5.woff") format("woff"),url("./KaTeX_Math-BoldItalic-VB447A4D.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url("./KaTeX_Math-Italic-6KGCHLFN.woff2") format("woff2"),url("./KaTeX_Math-Italic-KKK3USB2.woff") format("woff"),url("./KaTeX_Math-Italic-SON4MRCA.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url("./KaTeX_SansSerif-Bold-RRNVJFFW.woff2") format("woff2"),url("./KaTeX_SansSerif-Bold-X5M5EMOD.woff") format("woff"),url("./KaTeX_SansSerif-Bold-STQ6RXC7.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url("./KaTeX_SansSerif-Italic-HMPFTM52.woff2") format("woff2"),url("./KaTeX_SansSerif-Italic-PSN4QKYX.woff") format("woff"),url("./KaTeX_SansSerif-Italic-WTBAZBGY.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url("./KaTeX_SansSerif-Regular-XIQ62X4E.woff2") format("woff2"),url("./KaTeX_SansSerif-Regular-OQCII6EP.woff") format("woff"),url("./KaTeX_SansSerif-Regular-2TL3USAE.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url("./KaTeX_Script-Regular-APUWIHLP.woff2") format("woff2"),url("./KaTeX_Script-Regular-A5IFOEBS.woff") format("woff"),url("./KaTeX_Script-Regular-72OLXYNA.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url("./KaTeX_Size1-Regular-5LRUTBFT.woff2") format("woff2"),url("./KaTeX_Size1-Regular-4HRHTS65.woff") format("woff"),url("./KaTeX_Size1-Regular-7K6AASVL.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url("./KaTeX_Size2-Regular-LELKET5D.woff2") format("woff2"),url("./KaTeX_Size2-Regular-K5ZHAIS6.woff") format("woff"),url("./KaTeX_Size2-Regular-222HN3GT.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url("./KaTeX_Size3-Regular-WQRQ47UD.woff2") format("woff2"),url("./KaTeX_Size3-Regular-TLFPAHDE.woff") format("woff"),url("./KaTeX_Size3-Regular-UFCO6WCA.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url("./KaTeX_Size4-Regular-CDMV7U5C.woff2") format("woff2"),url("./KaTeX_Size4-Regular-PKMWZHNC.woff") format("woff"),url("./KaTeX_Size4-Regular-7PGNVPQK.ttf") format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url("./KaTeX_Typewriter-Regular-VBYJ4NRC.woff2") format("woff2"),url("./KaTeX_Typewriter-Regular-MJMFSK64.woff") format("woff"),url("./KaTeX_Typewriter-Regular-3F5K6SQ6.ttf") format("truetype")}.katex{font: 1.21em KaTeX_Main,math,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.19.0"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .katex-base,.katex .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 .mathsfit,.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 .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;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 .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .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 .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{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}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .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 .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 .reflectbox{display:inline-block;transform:scaleX(-1)}.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>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}
