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small{display:block;color:var(--muted);font-size:9px;font-weight:400;letter-spacing:.05em}.timer.warning{color:var(--red)}.exam-layout{display:grid;grid-template-columns:1fr 260px;gap:30px;margin-top:28px;align-items:start}.question-panel{background:white;border:1px solid var(--line);border-radius:12px;padding:34px}.question-meta{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);gap:12px;margin-bottom:23px}.question-panel h2{font-family:'DM Sans',Arial,sans-serif;font-size:21px;font-weight:600;line-height:1.55;letter-spacing:-.02em;min-height:65px}.options{display:grid;gap:11px;margin-top:29px}.option{width:100%;display:flex;gap:15px;text-align:left;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:7px;padding:15px;font-size:13px}.option-letter{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--line);border-radius:5px;font-size:11px;flex-shrink:0}.option[aria-pressed=true]{border-color:#8b995f;background:#f3f6e9}.option[aria-pressed=true] .option-letter{background:var(--ink);color:white;border-color:var(--ink)}.question-actions{display:flex;justify-content:space-between;align-items:center;margin-top:25px;gap:10px}.mark-button{background:transparent;display:flex;align-items:center;gap:8px;font-size:11px;padding:10px}.mark-button[aria-pressed=true]{color:#926900;background:#fff6d5;border-radius:5px}.exam-navigation{display:flex;justify-content:space-between;gap:15px;margin-top:25px}.exam-aside{border:1px solid var(--line);border-radius:10px;background:#eeeFE7;padding:20px}.exam-aside h3{font:600 12px 'DM Sans',sans-serif;margin-bottom:15px}.question-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;max-height:365px;overflow:auto;padding:3px}.question-grid button{font-size:10px;height:31px;min-height:31px;border:1px solid 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var(--line);border-radius:10px;margin-bottom:25px}.history-chart h3{font-size:28px;margin-bottom:20px}.chart-bars{height:130px;display:flex;align-items:end;gap:12px;border-bottom:1px solid var(--line)}.chart-column{flex:1;max-width:70px;height:100%;display:flex;flex-direction:column;justify-content:end;align-items:center;gap:5px}.chart-column>span{font-size:10px}.chart-column>i{width:100%;background:#95a780;border-radius:4px 4px 0 0;min-height:2px}.history-caption{font-size:10px;color:var(--muted);margin-top:15px}.demo-note{color:var(--muted);font-size:10px;margin-top:14px}dialog{width:min(510px,calc(100vw - 32px));border:1px solid var(--line);border-radius:14px;padding:35px;background:var(--paper);color:var(--ink);max-height:90dvh;overflow:auto}dialog::backdrop{background:#081014a6;backdrop-filter:blur(5px)}.modal-close{position:absolute;top:12px;right:15px;background:none;font-size:25px;color:var(--muted);width:30px;height:30px}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:white;border:1px solid #ffffff2a;padding:13px 20px;border-radius:8px;font-size:12px;box-shadow:0 8px 25px #0002;opacity:0;pointer-events:none;transition:.2s;z-index:30;max-width:90vw}#toast.visible{opacity:1;transform:translate(-50%,0)}.session-resume{background:#e9eddf;padding:20px;border-radius:8px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin:20px 0}.session-resume p{font-size:12px}.session-resume strong{font-size:13px}.hidden{display:none!important}.import-input{display:none}
@media(min-width:1550px){.hero-grid{padding-top:85px;padding-bottom:85px}.hero-visual{height:530px}}
@media(max-width:1050px){.hero-grid{gap:25px}.hero-visual{height:440px}.hero h1{font-size:78px}.hero-copy>p{font-size:13px}.timer-preview{left:-10px;right:15px}.how-grid{gap:40px}.steps{gap:20px}.practice-card{padding:23px}.card-pill{top:24px;right:15px;font-size:7px}.book-section{gap:40px}.site-header nav{gap:22px}.exam-layout{grid-template-columns:1fr 220px;gap:20px}.question-panel{padding:25px}}
@media(max-width:760px){.site-header{height:77px;padding:0 5%;gap:15px}.site-header .brand{font-size:13px;gap:8px}.site-header .brand-symbol{width:29px;height:34px;font-size:36px;line-height:34px}.site-header .brand small{font-size:7px}.site-header nav{display:none}.header-cta{padding:10px 12px;font-size:10px;gap:12px}.container{width:90%}.hero-grid{grid-template-columns:1fr;padding-top:39px;padding-bottom:38px;gap:32px}.hero h1{font-size:80px}.hero .eyebrow{font-size:8px;margin-bottom:22px}.hero-copy>p{max-width:400px;font-size:13px;margin-top:21px}.access-box{max-width:none;margin-top:26px}.hero-visual{height:370px;margin-left:10px;margin-right:5px}.image-crop{inset:0 0 12px 0}.visual-tag{right:-7px;top:16px;font-size:9px}.timer-preview{left:-10px;right:28px;bottom:0;max-width:360px}.hero-bottom{display:grid;grid-template-columns:1fr 1fr;row-gap:18px;padding:22px 0}.hero-bottom>div{font-size:9px;gap:7px}.hero-bottom .icon{width:16px;height:16px}.practice-section{padding:45px 0}.section-head{display:block;margin-bottom:25px}.section-head h2{font-size:46px}.section-head p{margin-top:16px;max-width:340px;font-size:12px}.practice-cards{grid-template-columns:1fr}.practice-card{padding:24px;min-height:220px}.practice-card h3{font-size:30px}.card-icon{margin-bottom:20px}.card-meta{padding-top:18px}.card-pill{top:25px;right:24px}.card-bottom{margin-top:15px}.practice-card p{max-width:none}.topic-teaser{gap:14px;align-items:start}.topic-teaser-left{gap:12px}.topic-teaser .text-button{white-space:nowrap;font-size:10px}.topic-teaser p{font-size:10px}.topic-teaser strong{font-size:12px}.how-section{padding:42px 0}.how-grid{display:block}.how-grid h2{max-width:320px;font-size:46px}.steps{grid-template-columns:1fr;gap:23px;margin-top:30px}.steps>div{display:grid;grid-template-columns:40px 1fr;gap:0 18px}.step-number{grid-row:span 2;border-bottom:0;font-size:31px;margin:0;padding:0}.steps h3{font-size:13px;margin:2px 0 7px}.steps p{font-size:12px;max-width:340px}.book-section{padding:45px 0;grid-template-columns:1fr;gap:27px}.study-photo{height:280px}.book-copy h2{font-size:44px}.faq-section{padding:40px 0;grid-template-columns:1fr;gap:18px}.faq-section h2{font-size:44px}.footer-top{align-items:start;flex-wrap:wrap;gap:22px}.footer-top>span{width:100%;order:3}.footer-bottom{display:block;font-size:8px}.footer-bottom>span{display:block;margin-top:17px}.dashboard{padding:30px 0 45px}.dash-top{display:block}.dash-top h1{font-size:55px}.edition-switch{width:max-content;margin-top:24px}.notice{font-size:10px;align-items:start}.topics-grid{grid-template-columns:1fr}.dash-section-title h2{font-size:30px}.dash-section-title>span{font-size:9px}.topic-title{font-size:11px}.progress-banner{padding:19px;display:block}.switch-label{margin-top:15px}.exam-shell{padding-top:24px}.exam-top h1{font-size:28px}.exam-top p{font-size:9px}.timer{font-size:22px;gap:7px}.timer .icon{display:none}.exam-layout{grid-template-columns:1fr;margin-top:20px;gap:20px}.question-panel{padding:22px 18px}.question-meta{font-size:9px}.question-panel h2{font-size:18px}.option{padding:12px;font-size:12px;gap:11px}.exam-aside{padding:19px}.question-grid{grid-template-columns:repeat(8,1fr);max-height:190px}.exam-aside>.button{width:100%}.question-actions{align-items:start}.mark-button{font-size:10px}.question-actions>.text-button{font-size:10px}.exam-navigation .button{padding:13px 18px}.result-hero{padding:24px 20px}.result-hero h2{font-size:40px}.score-circle{width:108px;height:108px}.score-circle>div{width:92px;height:92px}.score-circle strong{font-size:29px}.score-circle span{font-size:7px}.result-hero p{font-size:10px}.results-grid{grid-template-columns:1fr}.result-block{padding:22px}.review-controls h2{font-size:30px}.review-controls select{max-width:140px}.answer-review .review-controls{gap:10px}.dialog-title{font-size:36px}dialog{padding:30px 24px}.dialog-actions{flex-wrap:wrap}.dialog-actions .button{flex:1}.session-resume{padding:17px;flex-wrap:wrap}.session-resume p{font-size:11px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.site-header nav .text-button{color:#bdc5c1;font-weight:500}.site-header nav .text-button:hover{color:var(--yellow)}
@media(min-width:761px){.how-grid h2{max-width:360px;font-size:52px}.book-copy h2{max-width:490px}.practice-card p{font-size:12px}.card-meta{font-size:11px}}
:root{--muted:#626e68}.exam-top{position:sticky;top:0;z-index:5;background:var(--paper);padding-top:14px}.exam-aside{position:sticky;top:112px}
@media(max-width:760px){.steps>div{grid-template-columns:46px 1fr}.step-number{white-space:nowrap;font-size:29px}.exam-aside{position:static}.exam-top{padding-bottom:16px}}

/* Comfortable reading scale. Keep display headings, enlarge reading text. */
:root{font-size:18px}
body{line-height:1.65}
.container{width:min(1240px,89.8%)}
.site-header nav,.header-cta{font-size:15px}
.site-header{gap:25px}
.hero-copy>p{font-size:19px;line-height:1.8;max-width:510px}
.access-box{max-width:510px}
.access-box label{font-size:16px;line-height:1.6}
.access-form input{font-size:17px;padding:16px}
.button,.access-form .button{font-size:16px;padding:16px 20px}
.access-note{font-size:14px;line-height:1.65;align-items:flex-start}
.form-error{font-size:15px;line-height:1.6}
.eyebrow{font-size:12px}
.hero .eyebrow{font-size:12px;line-height:1.6}
.hero-bottom{font-size:14px;flex-wrap:wrap;gap:18px 25px;padding:24px 0}
.hero-bottom>div{flex:1;min-width:220px}
.section-head p{font-size:18px;max-width:390px}
.practice-cards{gap:20px}
.practice-card{padding:28px;min-height:375px}
.practice-card p{font-size:17px;line-height:1.7;max-width:none}
.practice-card h3{font-size:32px;margin-bottom:15px}
.card-meta{font-size:14px;line-height:1.6;flex-wrap:wrap;gap:8px 16px}
.card-bottom{font-size:14px;gap:12px;align-items:center}
.card-pill{font-size:10px;max-width:calc(100% - 100px);line-height:1.5}
.topic-teaser strong{font-size:18px}
.topic-teaser p{font-size:16px}
.text-button{font-size:15px;line-height:1.6}
.how-grid{grid-template-columns:1fr 2fr;gap:55px}
.steps{gap:25px}
.steps h3{font-size:18px;line-height:1.5}
.steps p{font-size:16px;line-height:1.8}
.book-copy>p{font-size:18px;line-height:1.8;max-width:540px}
.book-byline strong{font-size:15px;line-height:1.6}
.book-byline span{font-size:14px;line-height:1.65}
summary{font-size:18px;line-height:1.6}
details p{font-size:17px;line-height:1.8}
.footer-top>span{font-size:13px}
.footer-top .text-button{font-size:13px}
.footer-bottom{font-size:12px;line-height:1.8}
.dash-top p{font-size:18px;max-width:700px}
.dash-top{align-items:center}
.edition-switch button{font-size:16px;padding:12px 17px;white-space:nowrap}
.notice{font-size:16px;padding:17px 20px;align-items:flex-start}
.dash-tabs button{font-size:17px}
.dash-section-title>span{font-size:14px;text-align:right}
.topic-num{font-size:15px;width:30px}
.topic-row{padding:22px 0;gap:16px}
.topic-title{font-size:17px;line-height:1.6}
.topic-title small{font-size:14px;line-height:1.6}
.progress-banner strong,.session-resume strong{font-size:17px}
.progress-banner p,.session-resume p{font-size:16px}
.switch-label{font-size:16px;line-height:1.6}
.switch-label input{flex-shrink:0;width:21px;height:21px}
.exam-top p{font-size:15px;line-height:1.6}
.exam-top h1{font-size:40px}
.timer{font-size:32px;flex-shrink:0}
.timer small{font-size:12px}
.exam-layout{grid-template-columns:minmax(0,1fr) 290px;gap:30px}
.question-panel{padding:36px}
.question-meta{font-size:14px;line-height:1.65;gap:20px}
.question-meta>span:first-child{flex-shrink:0}
.question-meta>span:last-child{text-align:right}
.question-panel h2{font-size:26px;line-height:1.65;font-weight:600}
.option{font-size:19px;line-height:1.65;padding:17px 19px;gap:17px;min-height:68px}
.option-letter{font-size:15px;width:34px;height:34px}
.mark-button{font-size:16px;line-height:1.6}
.exam-aside{padding:22px;top:135px}
.exam-aside h3{font-size:17px;line-height:1.5}
.question-grid{gap:8px;max-height:360px}
.question-grid button{font-size:14px;height:37px;min-height:37px}
.grid-legend{font-size:13px;line-height:1.8}
.calculator-toggle{font-size:16px;padding:14px 12px}
.calculator output{font-size:25px}
.calc-grid button{font-size:18px;min-height:44px}
dialog{width:min(620px,calc(100vw - 32px));padding:38px}
.dialog-eyebrow{font-size:12px}
.modal-copy{font-size:17px;line-height:1.8}
.dialog-stats span{font-size:14px}
.dialog-stats strong{font-size:27px}
.dialog-stats{flex-wrap:wrap;gap:20px 35px}
.dialog-actions .button{font-size:16px}
.review-list button{font-size:15px;padding:10px 13px}
.result-hero p{font-size:17px;line-height:1.8}
.topic-result>div:first-child{font-size:15px;line-height:1.65}
.topic-result>div:first-child>strong{flex-shrink:0}
.focus-block>p{font-size:17px;line-height:1.8}
.review-controls select{font-size:15px;max-width:240px}
.review-item{padding:28px}
.review-item .review-topic{font-size:13px;line-height:1.65}
.review-item h3{font-size:21px;line-height:1.7}
.review-item p{font-size:18px;line-height:1.85;color:#4c5952}
.answer-good,.answer-bad{font-size:17px;line-height:1.75}
.reference{font-size:14px;line-height:1.75;padding:8px 11px}
.history-empty p{font-size:18px}
.history-row strong{font-size:17px}
.history-row p{font-size:15px}
.history-caption,.demo-note{font-size:15px;line-height:1.75}
.chart-column>span{font-size:14px}
#toast{font-size:16px}
@media(min-width:761px) and (max-width:1100px){
 .site-header nav{gap:20px}.site-header nav,.header-cta{font-size:14px}
 .hero-grid{grid-template-columns:1.1fr 1fr}.hero h1{font-size:75px}.hero-copy>p{font-size:18px}
 .access-form{flex-wrap:wrap}.access-form .button{width:100%}
 .practice-cards{grid-template-columns:1fr;gap:20px}.practice-card{min-height:280px}
 .how-grid{grid-template-columns:1fr;gap:35px}.how-grid h2{max-width:none}
 .dash-top{flex-wrap:wrap}.dash-top>div:last-child{margin-left:auto}
 .exam-layout{grid-template-columns:minmax(0,1fr) 245px;gap:20px}
 .question-panel{padding:27px}.question-panel h2{font-size:24px}.question-meta{flex-direction:column;gap:6px}.question-meta>span:last-child{text-align:left}
 .exam-aside{padding:18px}.exam-aside .button{padding:14px 12px}.question-grid{gap:6px}
 .results-grid{grid-template-columns:1.2fr 1fr;gap:20px}
}
@media(max-width:760px){
 :root{font-size:16px}.container{width:90%}
 .site-header{gap:12px}.header-cta{font-size:12px;padding:11px 12px}
 .hero .eyebrow{font-size:10px}.hero-copy>p{font-size:17px;max-width:none}
 .access-box label{font-size:15px}.access-form{flex-wrap:wrap}.access-form input{font-size:16px;flex:1 1 100%}
 .access-form .button{width:100%;font-size:16px}.access-note{font-size:13px}
 .hero-bottom{grid-template-columns:1fr;gap:15px}.hero-bottom>div{font-size:14px;min-width:0}
 .section-head p{font-size:17px;max-width:none}.practice-card{min-height:315px;padding:25px}
 .practice-card p{font-size:16px}.card-meta,.card-bottom{font-size:14px}.card-pill{font-size:10px}
 .topic-teaser{flex-wrap:wrap;gap:12px}.topic-teaser .text-button{font-size:15px}.topic-teaser strong{font-size:17px}.topic-teaser p{font-size:15px}
 .how-grid{display:block}.steps h3{font-size:17px}.steps p{font-size:16px;max-width:none}
 .book-copy>p{font-size:17px}.book-byline strong{font-size:14px}.book-byline span{font-size:13px}
 summary{font-size:17px}details p{font-size:16px}.footer-bottom{font-size:11px}
 .dash-top p{font-size:16px}.dash-top h1{font-size:49px}.notice{font-size:15px;padding:15px}
 .dash-tabs{gap:25px}.dash-tabs button{font-size:16px}.edition-switch button{font-size:15px}
 .dash-section-title{align-items:flex-start;flex-wrap:wrap;gap:8px}.dash-section-title>span{font-size:13px;text-align:left}
 .topic-title{font-size:16px}.topic-title small{font-size:13px}.topic-row{gap:12px}.topic-num{width:24px;font-size:14px}
 .progress-banner strong,.session-resume strong{font-size:16px}.progress-banner p,.session-resume p{font-size:15px}
 .switch-label{font-size:15px}.demo-note{font-size:14px}
 .exam-layout{grid-template-columns:minmax(0,1fr);gap:20px}.exam-top{align-items:flex-start;gap:12px}
 .exam-top h1{font-size:30px}.exam-top p{font-size:13px}.timer{font-size:23px}.timer small{font-size:10px}
 .question-panel{padding:25px 20px}.question-panel h2{font-size:22px;line-height:1.65}
 .question-meta{font-size:12px;flex-direction:column;gap:6px}.question-meta>span:last-child{text-align:left}
 .option{font-size:17px;padding:15px;gap:13px;min-height:64px}.option-letter{width:31px;height:31px;font-size:14px}
 .question-actions{flex-wrap:wrap;gap:12px}.mark-button{font-size:15px}.question-actions>.text-button{font-size:14px}
 .exam-navigation .button{font-size:15px;padding:14px 16px}.exam-aside{position:static;padding:21px}
 .question-grid{grid-template-columns:repeat(6,1fr);max-height:300px;gap:8px}.question-grid button{font-size:14px}
 .result-hero{align-items:flex-start;padding:24px 20px}.result-hero p{font-size:15px}.result-hero h2{font-size:38px}
 .score-circle{width:96px;height:96px}.score-circle>div{width:82px;height:82px}.score-circle strong{font-size:26px}.score-circle span{font-size:9px}
 .results-grid{grid-template-columns:1fr}.topic-result>div:first-child{font-size:13px;gap:10px}
 .focus-block>p{font-size:16px}.review-controls{flex-wrap:wrap}.review-controls select{max-width:100%;font-size:15px}
 .review-item{padding:22px}.review-item h3{font-size:19px}.review-item p{font-size:17px}.review-item .review-topic{font-size:12px}
 .answer-good,.answer-bad{font-size:16px}.reference{font-size:13px}
 dialog{padding:31px 24px}.modal-copy{font-size:16px}.dialog-stats span{font-size:13px}.dialog-stats strong{font-size:25px}
 .dialog-actions .button{font-size:15px}.history-row{flex-wrap:wrap}.history-row strong{font-size:16px}.history-row p{font-size:14px}
}
#toast{width:max-content;max-width:calc(100vw - 32px)}