:root{--surface:#fffef8;--soft:#e8ecdf;--soft2:#eeefe5;--success-surface:#e8efdf;--warning-surface:#f5e9dd;--warning-ink:#9b4f2c;--header-bg:rgba(245,244,236,.96)}
[data-theme=dark]{--paper:#17251e;--ink:#e7ebdf;--muted:#abb8a8;--accent:#a4c7a9;--line:#374a3c;--warm:#dda37a;--white:#f1f3e9;--surface:#203128;--soft:#2b3d30;--soft2:#26372c;--success-surface:#304c35;--warning-surface:#4e3b2a;--warning-ink:#f4b488;--header-bg:rgba(23,37,30,.96);color-scheme:dark}
button,input,select,textarea{font-family:var(--sans);font-size:inherit}input,select,textarea{color:var(--ink)}[hidden]{display:none!important}
#site-header{background:var(--header-bg)}.header-inner{height:76px;gap:24px}.header-tools{display:flex;gap:9px;align-items:center}.main-nav{gap:23px;margin-left:auto}.main-nav a,.nav-group summary{font-size:14px;font-weight:500}.nav-group{position:relative}.nav-group summary{cursor:pointer;list-style:none;color:var(--muted);display:flex;align-items:center;gap:7px;padding:8px 0}.nav-group summary::-webkit-details-marker{display:none}.nav-group summary.active{color:var(--accent)}.nav-group[open]>summary{color:var(--accent)}.nav-group summary span{transition:transform .2s;font-size:16px}.nav-group[open] summary span{transform:rotate(180deg)}.nav-dropdown{position:absolute;left:-18px;top:calc(100% + 15px);width:236px;background:var(--surface);border:1px solid var(--line);box-shadow:0 12px 36px #14241c16;padding:7px;border-radius:6px;animation:dialog-in .15s ease}.nav-dropdown a,.nav-dropdown button{display:block;width:100%;text-align:left;background:none;border:0;padding:12px!important;color:var(--ink);font-size:16px;border-radius:3px;line-height:1.6}.nav-dropdown small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:3px}.nav-dropdown a:hover,.nav-dropdown button:hover{background:var(--soft2);color:var(--accent)}.nav-dropdown a:after{display:none}.icon-button{width:33px;height:33px;display:grid;place-items:center;border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--ink);padding:0;font-size:23px;line-height:1}.icon-button:hover{background:var(--soft)}.header-present{font-size:14px;padding:9px 12px}.menu-toggle{padding:6px}.main-nav a.active:after{background:var(--accent)}
.hero{min-height:560px;padding-block:30px;gap:75px}.hero h1{font-size:clamp(62px,6vw,84px);margin-bottom:19px}.hero .eyebrow{margin-bottom:20px;font-size:12px}.hero-intro{font-size:18px;margin-bottom:12px}.hero-description{margin-bottom:17px;font-size:14px}.hero-actions{margin-top:20px;gap:22px}.hero-note{margin-top:24px}.hero-visual{padding-top:5px;padding-bottom:32px}.day-paper{padding:22px 27px;background:var(--surface)}.day-paper h2{font-size:37px;margin-bottom:12px}.paper-top{margin-bottom:17px}.day-bar{height:80px}.day-values{margin-bottom:18px}.day-range{padding-top:14px}.day-paper .paper-footnote{margin-top:10px}.formula-stamp{padding:12px 20px;background:var(--soft);border-color:var(--line)}.formula-stamp strong{font-size:23px}.visual-orbit{width:320px;height:320px;border-color:var(--line)}.home-search{display:flex;align-items:center;border-bottom:1px solid var(--line);max-width:345px;margin-bottom:10px}.home-search input{width:100%;min-width:0;font:14px var(--sans);padding:9px 0;background:none;border:0;color:var(--ink);outline-offset:1px}.home-search button{background:none;border:0;color:var(--accent);font-size:20px;padding:3px 6px}.home-search input::placeholder{color:var(--muted)}
.lesson-section{padding:30px 0 24px}.section-heading{margin-bottom:23px}.section-heading h2{font-size:39px}.section-heading .eyebrow{margin-bottom:13px}.home-chapter-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:5px;overflow:hidden}.home-chapter{background:transparent;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;min-height:87px;padding:17px 19px;text-align:left;color:var(--ink);transition:background .25s}.home-chapter:nth-child(3n){border-right:0}.home-chapter:nth-child(n+4){border-bottom:0}.home-chapter-number{font-size:12px;color:var(--warm);align-self:flex-start;margin-top:3px}.home-chapter strong{display:block;font-size:16px;font-weight:500}.home-chapter small{display:block;font-size:12px;line-height:1.8;color:var(--muted);margin-top:5px}.home-chapter-plus{font-size:22px;color:var(--muted);margin-left:auto;transition:transform .25s}.home-chapter:hover,.home-chapter.selected{background:var(--soft)}.home-chapter.selected .home-chapter-plus{transform:rotate(45deg);color:var(--accent)}.home-lesson-hint{font-size:14px;color:var(--muted);margin:14px 0 0}.home-panel-shell{display:grid;grid-template-rows:0fr;opacity:0;transition:grid-template-rows .35s ease,opacity .25s}.home-panel-shell.open{grid-template-rows:1fr;opacity:1}.home-lesson-panel{padding:24px 25px 17px;background:var(--surface);border:1px solid var(--line);border-top:0;border-radius:0 0 5px 5px}.home-panel-top{display:flex;gap:25px;align-items:center;justify-content:space-between}.home-panel-top .eyebrow{font-size:12px;margin-bottom:8px}.home-panel-top h3{font:25px var(--serif);margin:0}.home-panel-top .inline-link{font-size:14px;white-space:nowrap}.home-panel-summary{font-size:14px;color:var(--muted);line-height:1.9;margin:15px 0 18px}.compact-points{display:grid;gap:0;border-top:1px solid var(--line)}.compact-points details{border-bottom:1px solid var(--line);padding:12px 0}.compact-points summary{font-size:16px;font-weight:500;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:15px;line-height:1.8}.compact-points summary::-webkit-details-marker{display:none}.compact-points summary:after{content:'+';font-size:18px;font-weight:400;color:var(--accent)}.compact-points details[open]>summary:after{content:'−'}.compact-points p{font-size:16px;color:var(--muted);line-height:1.9;margin:9px 24px 1px 0}.compact-points details[open] p{animation:slide-in .25s ease}.home-lesson-panel .compact-points summary,.home-lesson-panel .compact-points p{font-size:14px}.home-lesson-panel .takeaway-text{font-size:14px;margin-top:18px}.home-lesson-panel .text-button{font-size:14px}.lesson-end{margin-top:17px}.quick-resource-section{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);padding:22px 0 30px;gap:22px}.quick-resource-section a{display:flex;align-items:center;gap:10px;font-size:14px;transition:color .25s}.quick-resource-section a>span:first-child{font-size:12px;color:var(--warm)}.quick-resource-section strong{font-size:14px;font-weight:500}.quick-resource-section a>span:last-child{margin-left:auto;font-size:18px;color:var(--accent)}.quick-resource-section a:hover{color:var(--warm)}
.compact-lecture{padding-top:35px;padding-bottom:25px}.compact-lecture .lecture-heading{margin-bottom:30px;position:relative;padding-right:235px}.compact-lecture .lecture-heading h1{font-size:46px;margin-bottom:15px}.compact-lecture .lecture-heading .eyebrow{margin-bottom:13px}.compact-lecture .lecture-heading>p:not(.eyebrow){font-size:14px;margin-bottom:0}.compact-lecture .lecture-heading>.button{position:absolute;right:0;bottom:5px}.compact-lecture .lecture-layout{gap:45px;grid-template-columns:190px minmax(0,1fr)}.compact-lecture .lecture-sidebar{position:static}.compact-lecture .chapter{padding-bottom:0;margin-bottom:0;border-bottom:0;scroll-margin-top:100px}.compact-lecture .chapter h2{font-size:30px;margin-bottom:16px;line-height:1.3}.compact-lecture .chapter-lead{font-size:16px;margin-bottom:20px}.chapter-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.chapter-title-row .text-button{font-size:14px;white-space:nowrap;padding-top:0}.chapter-title-row .eyebrow{font-size:12px}.content-disclosure{padding:14px 0;border-bottom:1px solid var(--line)}.content-disclosure summary{font-size:14px;cursor:pointer;color:var(--accent);font-weight:500;line-height:1.9}.content-disclosure>p{font-size:14px;color:var(--muted);line-height:1.9;margin:14px 0 2px}.content-disclosure .table-wrap{margin-top:15px}.content-disclosure .table-note{font-size:12px}.compact-lecture .formula-box{background:var(--soft);margin:20px 0;padding:16px 22px}.compact-lecture .formula-box .expression{font-size:21px;line-height:1.7;overflow-wrap:anywhere}.compact-lecture .takeaway-text{font-size:16px;margin-top:20px}.chapter-pager{margin:27px 0 0 235px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:17px}.chapter-pager>span{font-size:14px;color:var(--muted)}.quiet-button{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:4px;padding:9px 13px;font-size:14px}.quiet-button:hover:not(:disabled){background:var(--soft)}.quiet-button:disabled{opacity:.4}.chapter-enter{animation:slide-in .3s ease}.case-section{margin-top:27px}.case-section>.eyebrow{font-size:12px;margin-bottom:7px}.case-question{color:var(--accent)!important;font-weight:500}.case-analysis{padding:17px;background:var(--soft);margin-top:14px;font-size:14px;line-height:1.9}.case-analysis strong{display:block;font-size:14px;color:var(--accent);margin-bottom:7px}.case-analysis p{margin:0;color:var(--muted)}
.lookup-dialog{width:min(650px,calc(100% - 32px));max-height:88dvh;padding:27px;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--ink);overflow:auto}.lookup-dialog::backdrop{background:#18281f8f;backdrop-filter:blur(4px)}.lookup-dialog[open]{animation:dialog-in .25s ease}.lookup-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:22px}.lookup-heading h2{font-size:34px;margin-bottom:0}.lookup-heading .eyebrow{font-size:12px;margin-bottom:12px}#lookup-form{display:flex;gap:9px}#lookup-input{width:100%;min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:4px;padding:11px 12px;font-size:16px;color:var(--ink)}#lookup-form .button{min-height:40px;padding:10px 17px;font-size:14px;white-space:nowrap}.lookup-hint{font-size:12px;color:var(--muted);margin:12px 0 19px}.lookup-results{max-height:42dvh;overflow:auto}.lookup-result{padding:14px 0;border-top:1px solid var(--line)}.lookup-result h3{font-size:16px;font-weight:500;margin-bottom:8px}.lookup-result p{font-size:14px;line-height:1.9;color:var(--muted);margin:0 0 10px}.lookup-result .inline-link{font-size:14px}.empty-state{font-size:14px;color:var(--muted);padding:20px 0}.quick-terms{display:flex;flex-wrap:wrap;gap:7px;align-items:center;border-top:1px solid var(--line);padding-top:17px;margin-top:17px}.quick-terms>span{font-size:12px;color:var(--muted);margin-right:4px}.quick-terms button{font-size:12px;border:1px solid var(--line);background:var(--soft2);color:var(--ink);padding:6px 9px;border-radius:20px}
.map-intro{padding-top:35px;padding-bottom:25px}.map-intro h1{font-size:47px;font-family:var(--serif)}.map-lead{font-size:16px;margin-top:16px}.map-number{font-size:54px;font-family:var(--serif)}.map-intro-aside p{margin-bottom:13px}.map-intro-aside{flex-basis:185px}.map-view-tabs{display:flex;gap:7px;padding:18px 0;border-bottom:1px solid var(--line)}.map-view-tabs button{padding:9px 13px;background:transparent;border:1px solid var(--line);color:var(--muted);font-size:14px;border-radius:4px}.map-view-tabs button[aria-selected=true]{background:var(--accent);color:var(--paper);border-color:var(--accent)}.map-flow{padding:28px 0 35px}.map-flow>h2{font-size:33px}.flow-root{display:flex;align-items:center;gap:18px;flex-direction:column;font-size:16px;margin:25px 0;color:var(--muted)}.flow-root strong{padding:13px 23px;background:var(--accent);color:var(--paper);border-radius:4px;font-size:16px;font-weight:500}.flow-root>span:nth-child(2){font-size:25px;color:var(--warm)}.flow-options{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;position:relative;border-top:1px solid var(--line);padding-top:25px}.flow-options:before{content:'';position:absolute;top:-25px;left:50%;height:25px;border-left:1px solid var(--line)}.flow-options button{font:14px var(--sans);min-height:54px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:4px;position:relative;padding:12px}.flow-options button:before{content:'';position:absolute;left:50%;top:-26px;height:25px;border-left:1px solid var(--line)}.flow-options button[aria-selected=true]{background:var(--soft);border-color:var(--accent);color:var(--accent)}#flow-detail{border:1px solid var(--line);padding:24px;margin-top:22px;background:var(--surface);border-radius:5px}#flow-detail h3{font:24px var(--serif);margin-bottom:14px}#flow-detail>p{font-size:16px;color:var(--muted);line-height:1.9;max-width:820px;margin-bottom:0}#flow-detail .formula-box{padding:14px 18px;margin:20px 0 0;background:var(--soft)}#flow-detail .expression{font-size:22px}.flow-note{font-size:12px;color:var(--muted);margin:16px 0 0}.map-section,.map-takeaway{background:transparent}.map-tools button{background:var(--soft2)}.map-tools button:hover{background:var(--soft)}.branch-trigger{background:var(--surface);border-color:var(--line);color:var(--ink)}.branch-detail-inner{background:var(--surface)}.map-root{background:var(--accent);color:var(--paper)}
.necessary{background:var(--soft);color:var(--accent)}.surplus{background:var(--warm);color:var(--paper)}.formula-box,.slide-formula{background:var(--soft)}.day-values>div:last-child strong{color:var(--warm)}.table-wrap th{background:var(--soft);color:var(--accent)}tr:nth-child(even) td{background:var(--soft2)}.model-table tfoot td{background:var(--soft)}.example-box{background:var(--surface)}.presentation-top,.presentation-bottom{background:var(--paper)}.slide-nav button:not(:disabled):hover{color:var(--paper)}.button.primary,.home-chapter.selected .home-chapter-plus{color:var(--paper)}.button.primary:hover{background:var(--ink);color:var(--paper)}.map-present-button{border-radius:5px;font:14px var(--sans)}.map-root h2,.map-root-mark{font-family:var(--serif)}
#site-footer{padding:27px 0 19px}.footer-top{gap:38px;padding-bottom:19px}.footer-brand{min-width:155px}.footer-brand h3{font-size:24px}.credits-grid{row-gap:13px}.footer-bottom{font-size:12px}.credits-grid .credit-role{font-size:12px}.credits-grid .credit-names{font-size:12px}
[data-theme=dark] .map-root p,[data-theme=dark] .map-root-kicker{color:#24412c}[data-theme=dark] .map-root-mark{color:var(--paper);border-color:var(--paper)}[data-theme=dark] .map-branch{--branch-color:var(--accent)}[data-theme=dark] .map-root-wrap:after,[data-theme=dark] .map-branch:before{border-color:var(--line)}[data-theme=dark] .map-branches:before{background:var(--line)}[data-theme=dark] .branch-trigger:hover,[data-theme=dark] .map-branch.is-open .branch-trigger{background:var(--soft)}[data-theme=dark] .branch-detail-inner,[data-theme=dark] .map-takeaway{background:var(--surface);border-color:var(--line)}[data-theme=dark] .map-tools button,[data-theme=dark] .branch-number{background:var(--soft);color:var(--accent)}[data-theme=dark] .branch-points strong{color:var(--ink)}[data-theme=dark] .branch-points span{color:var(--muted)}[data-theme=dark] .map-takeaway h2{color:var(--ink)}
@media(max-width:1100px){.header-inner{gap:17px}.main-nav{gap:18px}.header-tools{gap:6px}.hero{gap:40px}.hero h1{font-size:71px}.home-chapter{gap:11px;padding:16px}.home-chapter small{font-size:12px}.compact-lecture .lecture-layout{gap:32px;grid-template-columns:170px minmax(0,1fr)}.chapter-pager{margin-left:202px}.main-nav a,.nav-group summary{font-size:14px}}
@media(max-width:800px){.header-inner{height:68px;gap:12px}.header-tools{margin-left:auto;gap:6px}.header-present{font-size:12px;padding:8px 10px}.icon-button{width:29px;height:29px}.main-nav{top:68px;padding:14px 20px;gap:16px}.main-nav.menu-open{display:flex;align-items:flex-start}.nav-dropdown{position:static;margin-top:10px;box-shadow:none;width:215px}.nav-group summary{font-size:14px}.main-nav>a{font-size:14px}.hero{gap:26px;padding-top:30px;padding-bottom:35px}.hero h1{font-size:65px}.hero-visual{width:min(400px,calc(100% - 22px))}.home-search{max-width:360px}.hero-note{font-size:12px}.lesson-section{padding-top:22px}.section-heading{gap:12px;margin-bottom:20px}.section-heading h2{font-size:35px}.section-heading>p{font-size:14px}.home-chapter-tabs{grid-template-columns:repeat(2,1fr)}.home-chapter:nth-child(3n){border-right:1px solid var(--line)}.home-chapter:nth-child(2n){border-right:0}.home-chapter:nth-child(n+4){border-bottom:1px solid var(--line)}.home-chapter:nth-child(n+5){border-bottom:0}.home-chapter{min-height:88px;padding:14px;gap:9px}.home-chapter strong{font-size:16px}.home-chapter small{font-size:12px}.home-chapter-plus{font-size:19px}.home-panel-top{align-items:flex-start;flex-direction:column;gap:13px}.home-panel-top h3{font-size:23px}.home-lesson-panel{padding:20px}.quick-resource-section{grid-template-columns:repeat(2,1fr);row-gap:18px;padding-top:18px}.quick-resource-section strong{font-size:14px}.compact-lecture{padding-top:27px}.compact-lecture .lecture-heading{padding-right:0;margin-bottom:26px}.compact-lecture .lecture-heading h1{font-size:37px}.compact-lecture .lecture-heading>.button{position:static;margin-top:19px}.compact-lecture .lecture-layout{grid-template-columns:1fr;gap:18px}.compact-lecture .lecture-sidebar>span{display:none}.compact-lecture .lecture-sidebar nav{margin-bottom:0}.compact-lecture .chapter h2{font-size:28px}.chapter-title-row{display:block}.chapter-title-row .text-button{margin-bottom:15px;padding:0}.chapter-pager{margin-left:0}.map-intro{gap:20px;padding-top:28px;padding-bottom:22px}.map-intro h1{font-size:35px}.map-intro-aside{flex-basis:150px}.map-number{font-size:43px}.map-lead{font-size:14px}.map-intro-aside p{font-size:14px}.map-present-button{font-size:12px;padding:9px 10px}.flow-options{grid-template-columns:repeat(2,1fr);row-gap:12px}.flow-options button:nth-child(n+3):before{display:none}.map-flow>h2{font-size:30px}.map-view-tabs button{font-size:14px}#flow-detail{padding:20px}#site-footer{padding-top:25px}.footer-top{gap:22px}.credits-grid{column-gap:20px}.lookup-dialog{padding:23px}.lookup-heading h2{font-size:29px}}
@media(max-width:450px){.brand-symbol{width:29px;height:29px;font-size:23px}.brand{font-size:14px;gap:7px}.brand small{font-size:12px}.header-present{padding:7px 8px}.header-tools{gap:5px}.header-tools .icon-button{width:26px;height:29px}.header-tools>.icon-button[data-lookup]{display:none}.hero h1{font-size:60px}.hero .eyebrow{font-size:12px}.home-chapter small{font-size:12px}.home-chapter-number{font-size:12px}.home-chapter{gap:7px;padding:12px}.home-chapter-plus{display:none}.home-chapter strong{font-size:14px}.hero-visual{margin-top:3px}.hero-note{font-size:12px}.quick-resource-section{column-gap:17px}.quick-resource-section a{gap:6px}.quick-resource-section strong{font-size:12px}.map-intro{display:block}.map-intro-aside{display:flex;justify-content:space-between;text-align:left;align-items:center;gap:14px;margin-top:22px}.map-number{font-size:33px}.map-intro-aside p{margin:0;margin-right:auto;font-size:12px}.map-present-button{white-space:nowrap}.lookup-heading h2{font-size:27px}#lookup-form{gap:7px}#lookup-form .button{padding:9px 11px;font-size:14px}.lookup-dialog{padding:20px}.lookup-result h3{font-size:16px}.compact-lecture .lecture-heading h1{font-size:32px}.chapter-title-row .eyebrow{font-size:12px}.compact-lecture .chapter h2{font-size:25px}.compact-points summary,.compact-points p{font-size:14px}.credits-grid .credit-names{font-size:12px}.flow-options button{font-size:14px}.home-panel-summary{font-size:14px}}
.practice-main,.lab-main{padding-top:34px;padding-bottom:30px}.practice-heading,.lab-heading{margin-bottom:25px}.practice-heading h1,.lab-heading h1{font-size:46px;margin-bottom:17px}.practice-pane,.quiz-option{background:var(--surface)}.practice-tab span,.practice-progress{background:var(--soft2)}.quiz-option:has(input:checked),.card-mark[aria-pressed=true]{background:var(--soft)}.quiz-option.correct-option{background:var(--success-surface)}.quiz-option.wrong-option{background:var(--warning-surface)}.wrong-option .quiz-option-result,.practice-prompt,.quiz-feedback[data-correct=false] strong{color:var(--warning-ink)}.quiz-feedback{background:var(--soft)}.quiz-feedback[data-correct=false]{background:var(--warning-surface)}.study-card{background:var(--soft);border-color:var(--line)}.study-card:hover{background:var(--soft2)}.study-card[aria-pressed=true]{background:var(--surface);border-color:var(--line)}.practice-button:hover:not(:disabled){background:var(--soft);border-color:var(--accent)}
@media(max-width:800px){.practice-heading h1,.lab-heading h1{font-size:37px}.practice-main,.lab-main{padding-top:28px}.lab-heading>p br{display:none}}
@media(max-width:450px){.practice-heading h1,.lab-heading h1{font-size:32px}}
@media(prefers-reduced-motion:reduce){.home-panel-shell,.nav-dropdown,.chapter-enter{transition:none;animation:none}}

/* Comfortable reading while retaining the compact layout. */
body{font-size:16px}.brand small{font-size:9px}.home-panel-summary,.compact-points p,.compact-points summary,.home-lesson-panel .compact-points p,.home-lesson-panel .compact-points summary,.compact-lecture .chapter-lead,.content-disclosure>p,.case-analysis,.case-analysis p,#flow-detail>p,.lookup-result p,.quiz-option,.quiz-feedback p,.card-definition,.lab-panel-heading>p:not(.eyebrow),.lab-meaning,.game-question-explanation{font-size:16px;line-height:1.85}
.home-chapter strong{font-size:16px}.home-chapter small{font-size:13px}.home-chapter{min-height:100px}.home-panel-top .inline-link{white-space:normal}.quick-resource-section{column-gap:18px}.quick-resource-section strong{font-size:14px}.quick-resource-section a{min-width:0}.main-nav a,.nav-group summary{font-size:14px}.nav-dropdown{width:258px}.header-present{font-size:14px}.header-tools{flex-shrink:0}.brand{flex-shrink:0}.hero-description{font-size:16px}.hero-note{flex-wrap:wrap;font-size:12px}.day-paper .paper-footnote{font-size:12px}.day-values{gap:13px}.day-values span{font-size:12px}.day-values strong{font-size:14px}.day-range label{font-size:13px}.day-range label span{font-size:14px}.day-paper>p{font-size:14px}.day-bar span{font-size:13px}.paper-top{font-size:11px}.formula-stamp span{font-size:10px}.visual-caption{font-size:10px}.home-panel-top .eyebrow,.chapter-title-row .eyebrow{font-size:12px}.table-wrap table{font-size:14px}.table-wrap th,.table-wrap td{padding:13px;line-height:1.8}.content-disclosure .table-note,.table-note{font-size:12px}.team-name-fields label>span{width:43px}.game-setting-row{flex-wrap:wrap}.map-status{white-space:normal}.map-tools{flex-wrap:wrap}.branch-label>span{font-size:13px}.branch-points span{font-size:15px}.lab-day-key>span,.lab-value-key>span{font-size:13px}.lab-field label{font-size:14px}.lab-field input[type=number]{font-size:16px}.chapter-title-row{flex-wrap:wrap}
#site-footer .credit-role{font-size:11px}#site-footer .credit-names{font-size:12px}#site-footer .footer-brand p,#site-footer .footer-bottom{font-size:11px}.footer-brand{min-width:145px}.credits-grid{column-gap:24px}.footer-bottom{gap:20px}
@media(max-width:1050px){.main-nav{gap:15px}.header-inner{gap:15px}.header-tools{gap:6px}.hero{gap:38px}}
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@media(max-width:450px){.brand small{font-size:8px}.brand{font-size:14px}.header-present{font-size:13px;padding:7px 9px}.header-inner{gap:9px}.hero-intro{font-size:18px}.hero-description{font-size:16px}.home-chapter{padding:15px 11px;gap:8px}.home-chapter strong{font-size:15px}.home-chapter small{font-size:12px}.home-panel-summary,.home-lesson-panel .compact-points p,.home-lesson-panel .compact-points summary,.compact-points p,.compact-points summary,.quiz-option,.quiz-feedback p,.card-definition{font-size:16px}.quick-resource-section strong{font-size:13px}.quick-resource-section a>span:first-child{font-size:11px}.footer-top{gap:20px}.credits-grid{column-gap:17px}.footer-bottom{flex-direction:column;gap:7px}.lookup-dialog{padding:19px}.lookup-result p{font-size:15px}#lookup-input{font-size:16px}.map-tools button{font-size:13px}.map-status{font-size:12px}.branch-label{font-size:17px}.branch-label>span{font-size:13px}.branch-trigger{align-items:flex-start}.branch-points span{font-size:15px}.branch-points strong{font-size:16px}.lab-field input[type=number]{font-size:16px}.lab-range-field label{font-size:14px}.card-controls .practice-button{font-size:13px}.quiz-option-result{padding-left:0}.card-filters select{font-size:14px}}
@media(max-width:380px){.header-present{font-size:12px;padding:7px}.header-inner{gap:7px}.header-tools{gap:4px}.brand{gap:6px}.brand-symbol{width:27px;height:27px}.home-chapter-number{display:none}.quick-resource-section{column-gap:13px}.quick-resource-section a>span:first-child{display:none}.game-scoreboard{font-size:14px}}
.home-chapter-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.home-chapter>span:nth-child(2){min-width:0}.table-wrap{min-width:0;max-width:100%}.table-wrap table{min-width:620px}.day-range label,.lab-range-field label{flex-wrap:wrap;gap:6px 12px}.day-range label>span,.lab-range-field label output{white-space:nowrap;flex-shrink:0}.day-values{flex-wrap:wrap}.day-values>div{min-width:0}.chapter-pager,.card-controls{flex-wrap:wrap}.quiz-option-text{min-width:0;overflow-wrap:anywhere}.header-present{display:inline-flex;align-items:center;gap:6px}.header-present .header-present-label{font-size:inherit}.header-present>span:last-child{font-size:17px}
@media(max-width:960px){.header-tools{margin-left:auto}.menu-toggle{display:grid;place-items:center}.main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper);padding:16px 20px;border-bottom:1px solid var(--line);gap:18px;flex-wrap:wrap;align-items:flex-start}.main-nav.menu-open{display:flex}.nav-dropdown{position:static;margin-top:10px;box-shadow:none;width:240px}}
@media(max-width:800px){.home-chapter-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}.quick-resource-section{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.wheel-wrap{width:158px;height:158px}.wheel-question-label{width:22px;height:22px;font-size:11px}.game-option{font-size:16px}.game-option-text{min-width:0;overflow-wrap:anywhere}}
@media(max-width:360px){.header-present{width:32px;height:32px;padding:0;justify-content:center}.header-present .header-present-label{display:none}.header-present>span:last-child{font-size:20px}.header-inner{gap:8px}.brand small{font-size:8px}}
@media(max-width:520px){.game-wheel-panel{display:block;text-align:center}.game-wheel-panel .game-panel-head{display:flex;text-align:left;gap:10px;margin-bottom:14px}.game-wheel-panel .game-panel-head>span{margin-top:0}.wheel-wrap{margin:12px auto 19px}.wheel-question-label{--wheel-label-half:11px}.wheel-caption{text-align:center}.game-wheel-panel .game-primary{font-size:14px;min-height:44px}}