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auto;display:flex}.site-footer .brand{font-size:1.25rem}.site-footer p{flex:18rem}.site-footer nav{gap:var(--space-2xs) var(--space-md);flex-wrap:wrap;display:flex}.site-footer nav a:hover{color:var(--color-accent);text-underline-offset:3px;text-decoration:underline}.eyebrow{font-size:var(--text-sm);color:var(--color-ink-3);margin-bottom:var(--space-2xs);font-weight:500;display:block}.page-heading{justify-content:space-between;align-items:flex-end;gap:var(--space-md);padding-bottom:var(--space-md);margin-bottom:var(--space-lg);border-bottom:var(--rule);display:flex}.page-heading>div{min-width:0}.page-heading h1{font-size:var(--text-2xl);letter-spacing:-.025em;font-weight:700}.page-heading p{margin-top:var(--space-2xs);font-size:var(--text-base);color:var(--color-ink-2);max-width:var(--measure)}.section-heading{justify-content:space-between;align-items:baseline;gap:var(--space-3xs) var(--space-sm);margin-bottom:var(--space-sm);flex-wrap:wrap;display:flex}.section-heading 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var(--space-sm);border:var(--rule-strong);border-radius:var(--radius-sm);background:var(--color-paper);font-variant-numeric:tabular-nums}.count-option:hover{border-color:var(--color-ink-2)}.count-option.selected{background:var(--color-ink);border-color:var(--color-ink);color:var(--color-paper)}.toggle{border:var(--rule-strong);background:var(--color-paper-3);border-radius:13px;flex-shrink:0;width:44px;height:26px;position:relative}.toggle:after{content:"";background:var(--color-paper);border:var(--rule-strong);width:18px;height:18px;transition:transform var(--dur-move) var(--ease-out);border-radius:50%;position:absolute;top:3px;left:3px}.toggle.enabled{background:var(--color-ink);border-color:var(--color-ink)}.toggle.enabled:after{transform:translate(18px)}.password-field{position:relative}.password-field input{padding-right:44px}.password-field button{width:44px;height:44px;color:var(--color-ink-2);background:0 0;border:0;justify-content:center;align-items:center;display:flex;position:absolute;top:0;right:0}.category-tabs{gap:0 var(--space-md);margin-bottom:var(--space-sm);border-bottom:var(--rule);flex-wrap:wrap;display:flex}.category-tab{min-height:44px;font-size:var(--text-sm);color:var(--color-ink-2);white-space:nowrap;transition:color var(--dur-state) var(--ease-out),border-color var(--dur-state) var(--ease-out);background:0 0;border:0;border-bottom:2px solid #0000;align-items:center;gap:.4em;margin-bottom:-1px;padding:0;font-weight:500;display:inline-flex}.category-tab svg{display:none}.category-tab.active,.category-tab:hover{color:var(--color-ink)}.category-tab.active{border-bottom-color:var(--color-ink);font-weight:600}.category-tab .pill{font-variant-numeric:tabular-nums;color:var(--color-ink-3);background:0 0;border:0;padding:0 .35em}.front-head{gap:var(--space-lg);padding-bottom:var(--space-lg);border-bottom:2px solid var(--color-ink);grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:center;display:grid}.front-head .greeting{font-size:var(--text-sm);color:var(--color-ink-2);margin-bottom:var(--space-xs)}.front-head h1{font-size:var(--text-display);letter-spacing:-.03em;max-width:13ch;font-weight:700;line-height:1.02}.front-lede{margin-top:var(--space-sm);font-size:var(--text-md);color:var(--color-ink-2);max-width:36ch;line-height:1.5}.front-search{gap:var(--space-2xs);margin-top:var(--space-md);max-width:34rem;display:flex}.front-search .search-field{border-color:var(--color-ink-2);min-height:52px}.front-search .button{min-height:52px}.front-quick{align-items:baseline;gap:var(--space-3xs) var(--space-sm);margin-top:var(--space-xs);font-size:var(--text-sm);color:var(--color-ink-3);flex-wrap:wrap;display:flex}.front-quick a{color:var(--color-ink);text-decoration:underline;-webkit-text-decoration-color:var(--color-rule-strong);text-decoration-color:var(--color-rule-strong);text-underline-offset:3px;font-weight:600}.front-quick a:hover{-webkit-text-decoration-color:var(--color-accent);text-decoration-color:var(--color-accent);color:var(--color-accent)}.front-art{justify-self:end;width:100%;max-width:30rem;margin:0}.front-art img{mix-blend-mode:multiply;width:100%;height:auto;display:block}.resume-banner{align-items:center;gap:var(--space-2xs) var(--space-sm);margin:var(--space-md) 0 0;padding:var(--space-xs) var(--space-sm);background:var(--color-highlight-soft);border-left:3px solid var(--color-ink);font-size:var(--text-sm);flex-wrap:wrap;display:flex}.resume-banner>a{margin-left:auto}.home-columns{gap:var(--space-xl);margin-top:var(--space-lg);grid-template-columns:minmax(0,1fr) 20rem;display:grid}.home-primary,.home-rail{min-width:0}.home-rail{gap:var(--space-lg);flex-direction:column;display:flex}.home-resources{margin-top:var(--space-xl)}.stats-strip{border-top:var(--rule);border-bottom:var(--rule);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.stat-item{padding:var(--space-xs) var(--space-xs) var(--space-xs) 0}.stat-item+.stat-item{padding-left:var(--space-xs);border-left:var(--rule)}.stat-icon{display:none}.stat-item strong{font-family:var(--font-display);font-size:var(--text-xl);font-variant-numeric:tabular-nums;font-weight:650;line-height:1.1;display:block}.stat-item strong small{font-family:var(--font-body);margin-left:.2em;font-weight:400}.stat-item p,.stat-item strong small{font-size:var(--text-sm);color:var(--color-ink-2)}.daily-card,.question-panel,.sheet{background:var(--color-paper-2);border:var(--rule);border-radius:var(--radius-md);position:relative}.daily-card:before,.question-panel:before{content:"";background:var(--color-red-pen);opacity:.55;width:1px;position:absolute;top:0;bottom:0;left:30px}.daily-card{padding:var(--space-md) var(--space-md) var(--space-md) calc(30px + var(--space-md))}.rail-heading{justify-content:space-between;align-items:baseline;gap:var(--space-xs);margin-bottom:var(--space-xs);display:flex}.rail-heading h2{font-size:var(--text-md)}.rail-heading>svg{color:var(--color-ink-3)}.daily-icon{display:none}.daily-card h3{font-size:var(--text-lg);font-weight:700;line-height:1.15}.daily-card p{margin-top:var(--space-2xs);line-height:1.6}.daily-card p,.daily-meta{font-size:var(--text-sm);color:var(--color-ink-2)}.daily-meta{gap:var(--space-3xs) var(--space-sm);margin:var(--space-sm) 0;flex-wrap:wrap;display:flex}.daily-meta span{align-items:center;gap:.35em;display:inline-flex}.daily-note{margin-top:var(--space-2xs);font-size:var(--text-sm);color:var(--color-ink-3)}.plan-card{background:0 0;border:0;padding:0}.mini-calendar{margin:var(--space-xs) 0 var(--space-sm);border-top:var(--rule);border-bottom:var(--rule);grid-template-columns:repeat(7,minmax(0,1fr));display:grid}.calendar-day{align-items:center;gap:var(--space-3xs);padding:var(--space-2xs) 0;font-size:var(--text-sm);color:var(--color-ink-3);flex-direction:column;display:flex}.calendar-day span{width:30px;height:30px;color:var(--color-ink);font-variant-numeric:tabular-nums;border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.calendar-day.today span{background:var(--color-ink);color:var(--color-paper);font-weight:600}.plan-empty{font-size:var(--text-sm);color:var(--color-ink-2);line-height:1.6}.plan-empty .text-link{margin-top:var(--space-2xs)}.mini-task{gap:var(--space-2xs);padding:var(--space-2xs) 0;border-bottom:var(--rule);display:flex}.mini-task>span{color:var(--color-ink-3);margin-top:2px}.mini-task strong{font-size:var(--text-sm);font-weight:600;display:block}.mini-task p{font-size:var(--text-sm);color:var(--color-ink-2)}.quote-card{padding-left:var(--space-sm);border-left:2px solid var(--color-red-pen);display:block}.quote-card>svg{display:none}.quote-card p{font-family:var(--font-display);font-size:var(--text-md);line-height:1.35}.quote-card small{margin-top:var(--space-3xs);font-family:var(--font-body);font-size:var(--text-sm);color:var(--color-ink-3);display:block}.exam-list{border-top:var(--rule);margin:0;padding:0;list-style:none}.exam-row{align-items:center;gap:var(--space-2xs) var(--space-md);padding:var(--space-sm) var(--space-3xs);border-bottom:var(--rule);transition:background var(--dur-state) var(--ease-out);grid-template-columns:minmax(0,1fr) auto auto;display:grid}.exam-row:hover{background:var(--color-paper-2)}.exam-row:hover .exam-row-name{color:var(--color-accent)}.exam-row-name{font-family:var(--font-display);font-size:var(--text-lg);letter-spacing:-.015em;font-weight:650;line-height:1.15;display:block}.exam-row-full{margin-top:var(--space-3xs);font-size:var(--text-sm);color:var(--color-ink-2);display:block}.exam-row-category{color:var(--color-ink-3)}.exam-row-category,.exam-row-count{font-size:var(--text-sm);white-space:nowrap}.exam-row-count{text-align:right;min-width:7.5rem;font-variant-numeric:tabular-nums;color:var(--color-ink)}.exam-row-count b{font-family:var(--font-display);font-size:var(--text-md);margin-right:.25em;font-weight:650}.exam-row-count.guide{color:var(--color-ink-3)}.catalog-toolbar{align-items:center;gap:var(--space-2xs);margin-bottom:var(--space-md);display:flex}.catalog-topline{justify-content:space-between;align-items:center;gap:var(--space-2xs) var(--space-sm);margin:var(--space-sm) 0;font-size:var(--text-sm);color:var(--color-ink-2);flex-wrap:wrap;display:flex}.catalog-more{margin-top:var(--space-md);align-items:flex-start;gap:var(--space-2xs);flex-direction:column;display:flex}.catalog-more p{font-size:var(--text-sm);color:var(--color-ink-3)}.exam-detail-hero,.exam-detail-hero.panel{justify-content:space-between;align-items:flex-end;gap:var(--space-md);padding:0 0 var(--space-md);margin-bottom:var(--space-lg);border:0;border-bottom:2px solid var(--color-ink);background:0 0;border-radius:0;flex-wrap:wrap;display:flex}.exam-detail-hero .exam-icon{display:none}.exam-detail-hero>div{flex:24rem;min-width:0}.exam-detail-hero .eyebrow{margin-bottom:var(--space-3xs)}.exam-detail-hero h1{font-size:var(--text-display);letter-spacing:-.03em;font-weight:700;line-height:1.02}.exam-detail-hero p{margin-top:var(--space-2xs);font-size:var(--text-md);color:var(--color-ink-2)}.two-column{gap:var(--space-xl);grid-template-columns:minmax(0,1fr) 19rem;display:grid}.two-column>aside{min-width:0}.content-section{margin-bottom:var(--space-xl)}.content-section.panel{background:0 0;border:0;border-radius:0}.content-section .panel-padding,.content-section.panel-padding{padding:0}.content-section h2{font-size:var(--text-xl);margin-bottom:var(--space-xs)}.content-section>p,.prose p{max-width:var(--measure);color:var(--color-ink-2);line-height:1.7}.info-grid{margin-top:var(--space-md);border-top:var(--rule);grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid}.info-grid>div{padding:var(--space-xs) var(--space-sm) var(--space-xs) 0;border-bottom:var(--rule)}.info-grid>div:nth-child(2n){padding-left:var(--space-sm);border-left:var(--rule)}.info-grid dt{font-size:var(--text-sm);color:var(--color-ink-3);margin-bottom:var(--space-3xs)}.info-grid dd{margin:0;line-height:1.6}.subject-list{gap:var(--space-2xs);flex-wrap:wrap;display:flex}.subject-tag{align-items:center;gap:var(--space-2xs);padding:var(--space-3xs) var(--space-2xs);border:var(--rule-strong);border-radius:var(--radius-sm);font-size:var(--text-sm);display:inline-flex}.side-section{padding:var(--space-md) 0;border:0;border-top:var(--rule);background:0 0;border-radius:0;margin:0}.side-section:first-child{border-top:2px solid var(--color-ink)}.side-section h2{font-size:var(--text-md);margin-bottom:var(--space-2xs)}.side-section p{font-size:var(--text-sm);color:var(--color-ink-2);margin-bottom:var(--space-sm);line-height:1.6}.side-section .button{width:100%}.source-link{align-items:flex-start;gap:var(--space-2xs);padding:var(--space-2xs) 0;border-bottom:var(--rule);font-size:var(--text-sm);color:var(--color-accent);line-height:1.5;display:flex}.source-link:hover{text-underline-offset:3px;text-decoration:underline}.source-link svg{margin-top:3px}.verified-note{margin-top:var(--space-xs);font-size:var(--text-sm);color:var(--color-ink-3)}.resource-row{align-items:center;gap:var(--space-sm);padding:var(--space-sm) 0;border-bottom:var(--rule);display:flex}.resource-row:first-of-type{border-top:var(--rule)}.resource-row>span{color:var(--color-ink-3);display:inline-flex}.resource-row h3{font-family:var(--font-display);font-size:var(--text-md);font-weight:650}.resource-row p{margin-top:var(--space-3xs);font-size:var(--text-sm);color:var(--color-ink-2)}.resource-row>svg{color:var(--color-ink-3);margin-left:auto}.resource-row:hover h3{color:var(--color-accent)}.practice-inventory-group+.practice-inventory-group{margin-top:0}.practice-topic-list{margin:0 0 var(--space-sm) calc(1.25rem + var(--space-sm));font-size:var(--text-sm)}.practice-topic-list summary{min-height:44px;padding:var(--space-xs) 0;cursor:pointer;color:var(--color-accent);font-weight:600}.practice-topic-list ul{border-top:var(--rule);max-height:360px;margin:0;padding:0;list-style:none;overflow-y:auto}.practice-topic-list li>a{align-items:center;gap:var(--space-xs);min-height:48px;padding:var(--space-2xs) 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15rem;display:grid}.practice-topline{justify-content:space-between;align-items:flex-end;gap:var(--space-sm);margin-bottom:var(--space-sm);display:flex}.practice-topline h1{font-size:var(--text-xl)}.practice-topline p{margin-top:var(--space-3xs);font-size:var(--text-sm);color:var(--color-ink-2);font-variant-numeric:tabular-nums}.timer{align-items:center;gap:var(--space-2xs);padding:var(--space-3xs) var(--space-xs);border:var(--rule-strong);border-radius:var(--radius-sm);font-family:var(--font-display);font-size:var(--text-md);font-variant-numeric:tabular-nums;font-weight:650;display:inline-flex}.timer.urgent{color:var(--color-red-pen);border-color:var(--color-red-pen);background:var(--color-red-wash)}.progress-track{background:var(--color-paper-3);width:100%;height:4px;overflow:hidden}.progress-track>span{background:var(--color-ink);height:100%;transition:width var(--dur-move) var(--ease-out);display:block}.question-panel{margin-top:var(--space-md);padding:var(--space-md) var(--space-md) var(--space-md) calc(30px + var(--space-md))}.question-meta{align-items:center;gap:var(--space-2xs);font-size:var(--text-sm);color:var(--color-ink-2);margin-bottom:var(--space-2xs);flex-wrap:wrap;display:flex}.question-meta button{margin-left:auto}.question-topic{font-size:var(--text-sm);color:var(--color-ink-3);margin-bottom:var(--space-md);overflow-wrap:anywhere}.question-passage{padding:var(--space-sm);background:var(--color-paper);border:var(--rule);font-size:var(--text-base);color:var(--color-ink);max-width:var(--measure);line-height:1.75}.question-passage,.question-prompt{margin-bottom:var(--space-md);white-space:pre-line}.question-prompt{font-family:var(--font-display);font-size:var(--text-lg);letter-spacing:-.01em;max-width:40ch;font-weight:500;line-height:1.4}.question-prompt:focus{outline:none}.question-figure{width:100%;max-width:480px;height:auto;margin:0 0 var(--space-md);display:block}.option-figure{width:72px;height:72px;margin:var(--space-3xs) 0;display:block}.answer-options{border-top:var(--rule);flex-direction:column;display:flex}.answer-option{align-items:center;gap:var(--space-sm);width:100%;min-height:56px;padding:var(--space-xs) var(--space-2xs);border:0;border-bottom:var(--rule);text-align:left;font-size:var(--text-base);transition:background var(--dur-state) var(--ease-out);background:0 0;line-height:1.55;display:flex}.answer-option>span:has(>.option-figure){min-width:0}.answer-option:hover:not(:disabled){background:var(--color-paper)}.answer-option:hover:not(:disabled) .answer-letter{border-color:var(--color-ink)}.answer-letter{border:1.5px solid var(--color-ink-2);width:32px;height:32px;font-size:var(--text-sm);color:var(--color-ink-2);background:var(--color-paper);transition:background var(--dur-move) var(--ease-out),color var(--dur-move) var(--ease-out),border-color var(--dur-move) var(--ease-out);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:600;display:inline-flex}.answer-option.selected{background:var(--color-highlight-soft)}.answer-option.selected .answer-letter{background:var(--color-ink);border-color:var(--color-ink);color:var(--color-paper)}.answer-option.correct{background:var(--color-correct-wash)}.answer-option.correct .answer-letter{background:var(--color-paper);border:2px solid var(--color-correct);color:var(--color-correct)}.answer-option.correct.selected .answer-letter{background:var(--color-correct);color:var(--color-paper)}.answer-option.incorrect{background:var(--color-red-wash)}.answer-option.incorrect .answer-letter{background:var(--color-red-pen);border-color:var(--color-red-pen);color:var(--color-paper)}.answer-option.incorrect>span:nth-child(2){text-decoration:line-through;-webkit-text-decoration-color:var(--color-red-pen);text-decoration-color:var(--color-red-pen);text-decoration-thickness:1.5px}.answer-option:disabled,.answer-option[aria-disabled=true]{opacity:1;cursor:default}.answer-option>svg{color:var(--color-correct);margin-left:auto}.answer-option.incorrect>svg{color:var(--color-red-pen)}.feedback-panel{margin-top:var(--space-md);padding:var(--space-sm) var(--space-sm) var(--space-sm) var(--space-md);border-left:3px solid var(--color-correct);background:var(--color-paper);max-width:var(--measure)}.feedback-panel.incorrect{border-left-color:var(--color-red-pen)}.feedback-panel h3{align-items:center;gap:var(--space-2xs);font-size:var(--text-md);margin-bottom:var(--space-2xs);color:var(--color-correct);display:flex}.feedback-panel.incorrect h3{color:var(--color-red-pen)}.feedback-panel p{line-height:1.7}.feedback-panel a{margin-top:var(--space-2xs);font-size:var(--text-sm);color:var(--color-accent);align-items:center;gap:.35em;display:inline-flex}.question-actions{gap:var(--space-2xs);margin-top:var(--space-md)}.question-actions,.session-hint{justify-content:space-between;align-items:center;display:flex}.session-hint{gap:var(--space-2xs) var(--space-sm);font-size:var(--text-sm);color:var(--color-ink-3)}.answer-save-recovery,.session-hint{margin-top:var(--space-sm);flex-wrap:wrap}.answer-save-recovery{gap:var(--space-2xs);padding:var(--space-sm);border-left:3px solid var(--color-red-pen);background:var(--color-red-wash);display:flex}.answer-save-recovery p{flex-basis:100%}.question-rail{gap:var(--space-md);padding-top:var(--space-xs);flex-direction:column;display:flex}.question-rail .side-section{padding-top:var(--space-sm)}.question-map{gap:var(--space-3xs);margin:var(--space-sm) 0;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));display:grid}.question-number{aspect-ratio:1;border:1.5px solid var(--color-rule-strong);background:var(--color-paper);min-width:40px;min-height:40px;font-size:var(--text-sm);font-variant-numeric:tabular-nums;color:var(--color-ink-2);transition:background var(--dur-state) var(--ease-out);border-radius:50%}.question-number.answered,.question-number:hover:not(:disabled){border-color:var(--color-ink)}.question-number.answered{background:var(--color-ink);color:var(--color-paper)}.question-number.current{outline:2px solid var(--color-highlight);outline-offset:2px;border-color:var(--color-ink);font-weight:700}.question-legend{gap:var(--space-sm);font-size:var(--text-sm);color:var(--color-ink-2);flex-wrap:wrap;display:flex}.question-legend span{align-items:center;gap:.4em;display:inline-flex}.legend-dot{background:var(--color-ink);border-radius:50%;width:12px;height:12px;display:inline-block}.legend-dot.current{background:var(--color-paper);border:1.5px solid var(--color-ink);outline:2px solid var(--color-highlight);outline-offset:1px}.quiz-note{align-items:flex-start;gap:var(--space-2xs);font-size:var(--text-sm);color:var(--color-ink-2);line-height:1.6;display:flex}.quiz-note svg{color:var(--color-ink-3);margin-top:3px}.finish-link{margin-top:var(--space-2xs);padding:var(--space-2xs) 0;font-size:var(--text-sm);color:var(--color-red-pen);text-underline-offset:3px;background:0 0;border:0;font-weight:600;text-decoration:underline}.result-hero{gap:var(--space-lg);padding-bottom:var(--space-lg);margin-bottom:var(--space-lg);border-bottom:2px solid var(--color-ink)}.result-hero,.result-score{align-items:center;display:flex}.result-score{border:3px solid var(--color-red-pen);border-radius:50%;flex-shrink:0;justify-content:center;width:132px;height:132px;position:relative;transform:rotate(-4deg)}.result-score>div{flex-direction:column;align-items:center;display:flex;transform:rotate(4deg)}.result-score strong{font-family:var(--font-display);font-size:var(--text-2xl);color:var(--color-red-pen);font-variant-numeric:tabular-nums;font-weight:700;line-height:1}.result-score small{margin-top:var(--space-3xs);color:var(--color-ink-2);letter-spacing:.04em;font-size:.75rem}.result-hero h1{font-size:var(--text-2xl);margin-bottom:var(--space-2xs);font-weight:700}.result-hero p{color:var(--color-ink-2);line-height:1.6}.result-actions{gap:var(--space-2xs);margin-top:var(--space-md);flex-wrap:wrap;display:flex}.score-summary{margin:var(--space-md) 0;border-top:var(--rule);border-bottom:var(--rule);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.metric-card{padding:var(--space-sm) var(--space-sm) var(--space-sm) 0;background:0 0;border:0;border-radius:0}.metric-card+.metric-card{padding-left:var(--space-sm);border-left:var(--rule)}.progress-grid{margin-bottom:var(--space-lg);border-top:var(--rule);border-bottom:var(--rule);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.progress-grid>.metric-card+.metric-card{padding-left:var(--space-sm)}.metric-card .metric-label{font-size:var(--text-sm);color:var(--color-ink-2);align-items:center;gap:.35em;display:flex}.metric-card .metric-label svg{color:var(--color-ink-3)}.metric-card strong{margin-top:var(--space-3xs);font-family:var(--font-display);font-size:var(--text-xl);font-variant-numeric:tabular-nums;font-weight:650;display:block}.metric-card small{font-size:var(--text-sm);color:var(--color-ink-2)}.review-item{padding:var(--space-md) 0;border-bottom:var(--rule)}.review-item:first-of-type{border-top:var(--rule)}.review-item-header{align-items:center;gap:var(--space-2xs);font-size:var(--text-sm);color:var(--color-ink-2);margin-bottom:var(--space-xs);display:flex}.review-item-header>svg{color:var(--color-ink-3)}.review-item-header .icon-button{margin-left:auto}.review-item h3{font-family:var(--font-display);font-size:var(--text-md);margin-bottom:var(--space-sm);max-width:var(--measure);font-weight:500;line-height:1.45}.review-answer{margin:var(--space-2xs) 0;padding:var(--space-2xs) var(--space-sm);border-left:3px solid var(--color-correct);background:var(--color-correct-wash);max-width:var(--measure)}.review-answer.wrong{border-left-color:var(--color-red-pen);background:var(--color-red-wash)}.review-explanation{margin-top:var(--space-sm);color:var(--color-ink-2);max-width:var(--measure);line-height:1.7}.review-item-footer{justify-content:space-between;gap:var(--space-2xs);margin-top:var(--space-sm);font-size:var(--text-sm);color:var(--color-ink-3);flex-wrap:wrap;display:flex}.subject-progress{padding:var(--space-xs) 0;border-bottom:var(--rule)}.subject-progress>div:first-child{justify-content:space-between;gap:var(--space-2xs);margin-bottom:var(--space-2xs);font-size:var(--text-sm);font-variant-numeric:tabular-nums;display:flex}.activity-grid{align-items:flex-end;height:140px;padding-top:var(--space-sm);border-bottom:var(--rule-strong)}.activity-day,.activity-grid{gap:var(--space-2xs);display:flex}.activity-day{justify-content:flex-end;align-items:center;flex-direction:column;flex:1;height:100%}.activity-bar{background:var(--color-ink);width:100%;max-width:26px;min-height:3px}.activity-day span{font-size:var(--text-sm);color:var(--color-ink-3)}.history-list{border-collapse:collapse;width:100%}.history-list th{text-align:left;padding:var(--space-2xs) var(--space-xs) var(--space-2xs) 0;border-bottom:var(--rule-strong);font-size:var(--text-sm);color:var(--color-ink-3);font-weight:500}.history-list td{padding:var(--space-xs) var(--space-xs) var(--space-xs) 0;border-bottom:var(--rule);font-size:var(--text-sm);font-variant-numeric:tabular-nums}.history-list a{color:var(--color-accent);font-weight:600}.planner-summary{align-items:center;gap:var(--space-sm);padding-bottom:var(--space-md);margin-bottom:var(--space-md);border-bottom:var(--rule);flex-wrap:wrap;display:flex}.planner-summary>span{display:none}.planner-summary h2{font-size:var(--text-xl);margin-bottom:var(--space-3xs)}.planner-summary p{font-size:var(--text-sm);color:var(--color-ink-2)}.planner-summary .button{margin-left:auto}.task-list{border-top:var(--rule);flex-direction:column;display:flex}.plan-task{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-3xs);border-bottom:var(--rule);display:flex}.plan-task strong{font-weight:600;display:block}.plan-task p{margin-top:var(--space-3xs)}.plan-task .task-date,.plan-task p{font-size:var(--text-sm);color:var(--color-ink-2)}.plan-task .task-date{white-space:nowrap;font-variant-numeric:tabular-nums;margin-left:auto}.plan-task.done strong{text-decoration:line-through;-webkit-text-decoration-color:var(--color-red-pen);text-decoration-color:var(--color-red-pen);color:var(--color-ink-3)}.auth-layout{gap:var(--space-xl);max-width:64rem;margin:var(--space-md) auto;grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid}.auth-intro{padding-top:var(--space-md);border-top:2px solid var(--color-ink)}.auth-intro h1{font-size:var(--text-2xl);margin-bottom:var(--space-sm);font-weight:700}.auth-intro p{color:var(--color-ink-2);line-height:1.7}.auth-intro ul{margin:var(--space-md) 0 0;border-top:var(--rule);padding:0;list-style:none}.auth-intro li{align-items:center;gap:var(--space-2xs);padding:var(--space-2xs) 0;border-bottom:var(--rule);font-size:var(--text-sm);display:flex}.auth-intro li svg{color:var(--color-correct)}.auth-form{padding:var(--space-lg);background:var(--color-paper-2);border:var(--rule);border-radius:var(--radius-md);position:relative}.auth-form h2{font-size:var(--text-xl);margin-bottom:var(--space-2xs)}.auth-form>p{font-size:var(--text-sm);color:var(--color-ink-2)}.auth-form>p,.auth-tabs{margin-bottom:var(--space-md)}.auth-tabs{gap:var(--space-md);border-bottom:var(--rule);display:flex}.auth-tabs button{min-height:44px;font-size:var(--text-base);color:var(--color-ink-2);background:0 0;border:0;border-bottom:2px solid #0000;margin-bottom:-1px;padding:0}.auth-tabs button.active{border-bottom-color:var(--color-ink);color:var(--color-ink);font-weight:600}.auth-fineprint{margin-top:var(--space-sm);line-height:1.6;font-size:var(--text-sm)!important;color:var(--color-ink-2)!important}.auth-fineprint a{text-underline-offset:3px;text-decoration:underline}.account-card{max-width:46rem}.account-header{align-items:center;gap:var(--space-sm);margin-bottom:var(--space-md);display:flex}.account-header .avatar{width:56px;height:56px;font-size:var(--text-lg)}.account-header h2{font-size:var(--text-xl)}.account-header p{margin-top:var(--space-3xs);font-size:var(--text-sm);color:var(--color-ink-2)}.settings-row{justify-content:space-between;align-items:center;gap:var(--space-md);padding:var(--space-sm) 0;border-bottom:var(--rule);display:flex}.settings-row h3{font-family:var(--font-body);font-size:var(--text-base);letter-spacing:0;margin-bottom:var(--space-3xs);font-weight:600}.settings-row p{font-size:var(--text-sm);color:var(--color-ink-2);max-width:34rem;line-height:1.6}.library-intro{justify-content:space-between;align-items:flex-end;gap:var(--space-sm) var(--space-lg);padding-bottom:var(--space-md);margin-bottom:var(--space-md);border-bottom:var(--rule);flex-wrap:wrap;display:flex}.library-intro>div{gap:var(--space-sm);align-items:flex-start;max-width:42rem;display:flex}.library-intro-icon{display:none}.library-intro h2{font-size:var(--text-xl);margin-bottom:var(--space-2xs)}.library-intro p{color:var(--color-ink-2);line-height:1.6}.library-tabs{gap:var(--space-md);margin-bottom:var(--space-md);border-bottom:var(--rule);display:flex}.library-tabs button{align-items:center;gap:var(--space-2xs);text-align:left;min-height:52px;color:var(--color-ink-2);background:0 0;border:0;border-bottom:2px solid #0000;margin-bottom:-1px;padding:0;font-weight:600;display:flex}.library-tabs button svg{display:none}.library-tabs button.active{color:var(--color-ink);border-bottom-color:var(--color-ink)}.library-tabs small{font-size:var(--text-sm);color:var(--color-ink-3);font-weight:400;display:block}.library-toolbar{align-items:center;gap:var(--space-2xs);margin-bottom:var(--space-sm);flex-wrap:wrap;display:flex}.library-toolbar>.search-field{flex:16rem}.library-toolbar .select-input{min-width:13rem;max-width:19rem}.library-kind-filter{margin-bottom:var(--space-sm)}.library-access-note{margin-bottom:var(--space-md)}.official-resource-grid,.reading-grid,.resource-grid{gap:0 var(--space-lg);border-top:var(--rule);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.official-resource-card,.reading-card,.resource-card{min-width:0;padding:var(--space-md) 0;border:0;border-bottom:var(--rule);background:0 0;border-radius:0;flex-direction:column;display:flex}.reading-card .resource-meta,.resource-card .resource-meta{justify-content:space-between;gap:var(--space-2xs);margin-bottom:var(--space-xs);font-size:var(--text-sm);color:var(--color-ink-3);flex-wrap:wrap;display:flex}.official-resource-card h2,.reading-card h2,.resource-card h2{font-size:var(--text-lg);margin-bottom:var(--space-2xs);line-height:1.2}.official-resource-card h2 a:hover,.reading-card h2 a:hover,.resource-card:hover h2{color:var(--color-accent)}.official-resource-card>p,.reading-card>p,.resource-card p{color:var(--color-ink-2);margin-bottom:var(--space-sm);line-height:1.65}.resource-card .text-link{margin-top:auto}.official-resource-top{justify-content:space-between;gap:var(--space-2xs);margin-bottom:var(--space-xs);flex-wrap:wrap;display:flex}.free-resource-label,.official-resource-provider{font-size:var(--text-sm);color:var(--color-ink-3)}.official-resource-provider{margin-bottom:var(--space-3xs)}.resource-access{align-items:flex-start;gap:var(--space-2xs);margin-top:var(--space-sm);padding:var(--space-xs);border-left:3px solid var(--color-rule-strong);background:var(--color-paper-2);font-size:var(--text-sm);color:var(--color-ink-2);line-height:1.6;display:flex}.resource-access svg{margin-top:3px}.resource-exam-links{gap:var(--space-2xs);margin:var(--space-sm) 0 var(--space-xs);font-size:var(--text-sm);flex-wrap:wrap;display:flex}.resource-exam-links a{color:var(--color-accent);text-decoration:underline;-webkit-text-decoration-color:var(--color-rule-strong);text-decoration-color:var(--color-rule-strong);text-underline-offset:3px}.resource-exam-links span{color:var(--color-ink-3)}.official-resource-footer{justify-content:space-between;align-items:center;gap:var(--space-2xs);padding-top:var(--space-sm);font-size:var(--text-sm);color:var(--color-ink-2);flex-wrap:wrap;margin-top:auto;display:flex}.library-load-more{margin-top:var(--space-md)}.library-load-more p{margin-top:var(--space-2xs);font-size:var(--text-sm);color:var(--color-ink-3)}.library-download{justify-content:space-between;align-items:center;gap:var(--space-sm);padding:var(--space-sm) 0;margin-bottom:var(--space-md);border-top:var(--rule);border-bottom:var(--rule);flex-wrap:wrap;display:flex}.library-download strong{font-family:var(--font-display);font-size:var(--text-md)}.library-download p{margin-top:var(--space-3xs);font-size:var(--text-sm);color:var(--color-ink-2);max-width:34rem}.reading-summary{align-items:flex-start;gap:var(--space-sm);padding:var(--space-sm) var(--space-sm) var(--space-sm) var(--space-md);margin-bottom:var(--space-md);border-left:3px solid var(--color-ink);background:var(--color-paper-2);display:flex}.reading-summary>svg{color:var(--color-ink-3)}.reading-summary strong{font-family:var(--font-display);font-size:var(--text-md);display:block}.reading-summary p{margin-top:var(--space-3xs);font-size:var(--text-sm);color:var(--color-ink-2);line-height:1.6}.reading-summary a{text-underline-offset:3px;font-weight:600;text-decoration:underline}.reading-search{max-width:36rem}.reading-card-status{justify-content:space-between;gap:var(--space-2xs);margin-top:auto;margin-bottom:var(--space-sm);font-size:var(--text-sm);color:var(--color-ink-2);flex-wrap:wrap;display:flex}.reading-card-status>span{align-items:center;gap:.35em;display:inline-flex}.reading-card .reading-actions{padding-top:var(--space-sm);border-top:var(--rule)}.reading-action-buttons{gap:var(--space-2xs);flex-wrap:wrap;display:flex}.reading-action-buttons .button[aria-pressed=true]{background:var(--color-highlight-soft);border-color:var(--color-ink)}.reading-error{margin-top:var(--space-xs);padding:var(--space-xs);border-left:3px solid var(--color-red-pen);background:var(--color-red-wash);font-size:var(--text-sm);color:oklch(35% .12 27)}.reading-error .link-button{margin-top:var(--space-2xs);color:inherit}.reading-note{align-items:flex-start;gap:var(--space-2xs);margin-top:var(--space-md);font-size:var(--text-sm);color:var(--color-ink-2);line-height:1.6;display:flex}.reading-note>svg{margin-top:3px}.reading-retry{padding-bottom:var(--space-md)}.article{max-width:46rem;margin:0 auto}.article-header{padding-bottom:var(--space-md);margin-bottom:var(--space-lg);border-bottom:2px solid var(--color-ink)}.article-header h1{font-size:var(--text-display);letter-spacing:-.03em;margin-bottom:var(--space-sm);max-width:18ch;font-weight:700;line-height:1.05}.article-header p{font-size:var(--text-md);color:var(--color-ink-2);line-height:1.55}.article-tools{align-items:center;gap:var(--space-2xs);margin:0 0 var(--space-md);flex-wrap:wrap;display:flex}.article-tools>span{font-size:var(--text-sm);color:var(--color-ink-3);flex-basis:100%}.article-tools>.reading-actions{margin-bottom:var(--space-3xs);flex-basis:100%}.article-correction{align-items:flex-start;gap:var(--space-2xs);padding:var(--space-sm) 0;margin-bottom:var(--space-md);border-top:var(--rule);font-size:var(--text-sm);color:var(--color-ink-2);line-height:1.6;display:flex}.article-correction>svg{margin-top:3px}.article-correction a{color:var(--color-accent);text-underline-offset:3px;font-weight:600;text-decoration:underline}.article-outline{margin-bottom:var(--space-lg);padding:var(--space-sm) 0;border-top:var(--rule);border-bottom:var(--rule)}.article-outline summary{cursor:pointer;min-height:32px;font-weight:600}.article-outline ol{margin:var(--space-xs) 0 0;padding-left:var(--space-md)}.article-outline li{margin:var(--space-3xs) 0}.article-outline a{color:var(--color-accent);text-decoration:underline;-webkit-text-decoration-color:var(--color-rule-strong);text-decoration-color:var(--color-rule-strong);text-underline-offset:3px}.article-section{margin-bottom:var(--space-xl);scroll-margin-top:80px}.article-section h2{font-size:var(--text-xl);margin-bottom:var(--space-xs)}.article .article-section p,.article-section p{white-space:pre-line;max-width:var(--measure);font-size:1.0625rem;line-height:1.75}.article-section ul{padding-left:var(--space-md);margin:var(--space-xs) 0}.article .article-section li,.article-section li{margin-bottom:var(--space-2xs);font-size:1.0625rem;line-height:1.7}.article-section a{color:var(--color-accent);text-underline-offset:3px;text-decoration:underline}.article-callout{margin:var(--space-lg) 0;padding:var(--space-md) var(--space-md) var(--space-md) calc(30px + 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32px);padding:var(--space-xs) var(--space-sm);background:var(--color-ink);border-radius:var(--radius-sm);font-size:var(--text-sm);animation:toast-enter var(--dur-move) var(--ease-out);position:fixed;transform:translate(-50%)}.toast,.toast button{align-items:center;color:var(--color-paper);display:flex}.toast button{margin-left:var(--space-xs);background:0 0;border:0}.page-skeleton{padding-top:var(--space-xs)}.skeleton{background:var(--color-paper-3);border-radius:var(--radius-sm);animation:skeleton-pulse 1.5s var(--ease-in-out) infinite}.skeleton-title{width:40%;height:40px;margin-bottom:var(--space-md)}.skeleton-hero{width:100%;height:220px;margin-bottom:var(--space-md)}.skeleton-grid{gap:var(--space-md);grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid}.skeleton-grid>div{height:180px}.loading-inline{justify-content:center;align-items:center;gap:var(--space-2xs);padding:var(--space-2xl) var(--space-sm);color:var(--color-ink-2);display:flex}.spinner{border:2px solid var(--color-rule-strong);border-top-color:var(--color-ink);border-radius:50%;width:18px;height:18px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@keyframes skeleton-pulse{50%{opacity:.5}}@keyframes toast-enter{0%{opacity:0;transform:translate(-50%,6px)}to{opacity:1;transform:translate(-50%)}}@media (max-width:1100px){.primary-nav{display:none}.home-columns{grid-template-columns:minmax(0,1fr)}.home-rail{gap:var(--space-lg);grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid}.two-column{gap:var(--space-lg);grid-template-columns:minmax(0,1fr)}.two-column>aside{gap:0 var(--space-lg);grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid}.practice-layout{grid-template-columns:minmax(0,1fr)}.question-rail{padding-top:0}.progress-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.progress-grid>.metric-card:nth-child(3){border-left:0;padding-left:0}.progress-grid>.metric-card:nth-child(-n+2){border-bottom:var(--rule)}}@media 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.task-date{margin-left:calc(18px + var(--space-sm))}.planner-summary .button{margin-left:0}.auth-form{padding:var(--space-md)}.settings-row{flex-wrap:wrap}.library-toolbar{flex-direction:column;align-items:stretch}.library-toolbar .select-input{width:100%;max-width:none}.library-tabs{gap:var(--space-sm)}.article-header h1{font-size:2.35rem}.event-card{gap:var(--space-sm)}.modal{padding:var(--space-md)}.modal-actions{flex-direction:column-reverse}.modal-actions .button{width:100%}.support-banner>a{margin-left:0}}@media (max-width:360px){.main-content{padding-left:var(--space-xs);padding-right:var(--space-xs)}.article-header h1,.exam-detail-hero h1,.front-head h1{font-size:2rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}.drawer{transition:none}}@media print{.article-outline,.article-related,.article-tools,.button,.drawer,.masthead,.mobile-nav,.site-footer,.support-banner,.toast{display:none!important}.main-content{max-width:none;padding:0}body{background:#fff}.panel,.review-item{break-inside:avoid}.article{max-width:none}.article-answer{display:none!important}.article-print-answer{display:block}.article-exercise{background:0 0}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}