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a{display:flex;align-items:center;min-height:48px;padding:0 1.25rem 0 calc(1.25rem - 3px);font-size:16px;color:var(--color-text);text-decoration:none;border-left:3px solid transparent;transition:background-color 0.15s ease;}.site-drawer__list a:hover,.site-drawer__list a:focus-visible{background-color:var(--color-bg-alt);}.site-drawer__list a[aria-current]{font-weight:600;border-left-color:var(--mascot-primary);}@media (min-width:1024px){.site-header__menu,.site-drawer{display:none !important;}.site-header__pc{display:flex;flex:1 1 auto;min-width:0;align-items:center;justify-content:flex-end;margin-right:0.4rem;}.site-header__pc-nav ul{display:flex;align-items:center;gap:1.1rem;list-style:none;margin:0;padding:0;white-space:nowrap;}.site-header__pc-nav a{display:inline-flex;align-items:center;min-height:var(--tap-min);font-size:16px;color:var(--color-text);text-decoration:none;border-bottom:2px solid transparent;transition:color 0.15s ease;}.site-header__pc-nav 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0;}.callout--ok{border-left-color:var(--color-ok);}.callout--warn{border-left-color:var(--color-warn);}.callout--crit{border-left-color:var(--color-crit);}.callout__label{display:inline-flex;align-items:center;gap:0.4rem;font-weight:700;margin-bottom:0.25rem;}.callout__label::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--color-border-interactive);flex-shrink:0;}.callout--ok .callout__label::before{background:var(--color-ok);}.callout--warn .callout__label::before{background:var(--color-warn);}.callout--crit .callout__label::before{background:var(--color-crit);}.callout:last-child{margin-bottom:0;}.category-chart{list-style:none;padding:0;}.category-chart__item{margin-bottom:0.4rem;}.category-chart__row{display:flex;align-items:center;gap:0.75rem;text-decoration:none;color:var(--color-text);padding:0.3rem 0.25rem;transition:background 0.15s;}.category-chart__row:hover{background:var(--color-bg-alt);}.category-chart__name{flex:0 0 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var(--color-border);text-decoration:none;color:var(--color-text);}.whats-new__dot{width:8px;height:8px;border-radius:50%;background:var(--color-accent);flex-shrink:0;align-self:flex-start;margin-top:11px;}.whats-new__type{font-size:14px;color:var(--color-text-muted);flex-shrink:0;}.whats-new__title{color:var(--color-link);flex:1 1 12em;min-width:0;overflow-wrap:break-word;}.whats-new__item:hover .whats-new__title{text-decoration:underline;}.whats-new__date{font-size:14px;color:var(--color-text-muted);margin-left:auto;white-space:nowrap;}.whats-new__actions{display:flex;flex-wrap:wrap;gap:0.25rem 1.5rem;margin-top:0.5rem;}.whats-new__more,.whats-new__done{display:inline-flex;align-items:center;min-height:40px;padding:0;background:none;border:none;font-size:14px;color:var(--color-text);text-decoration:underline;cursor:pointer;}.whats-new__more:hover,.whats-new__done:hover{color:var(--color-link-hover);}.whats-new-unread .article-category-card__title::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--color-accent);margin-right:0.5rem;vertical-align:2px;}.whats-new-separator{display:flex;align-items:center;gap:0.6rem;margin:0.9rem 0;font-size:14px;font-weight:600;color:var(--color-accent-text);}.whats-new-separator::before{content:"";flex:1;height:1px;background:var(--color-accent);}.glossary-promo__cta{display:inline-flex;align-items:center;min-height:44px;padding:0.5rem 1.4rem;background:var(--color-accent);color:var(--color-on-accent);border-radius:var(--radius-sm);text-decoration:none;font-weight:700;transition:background 0.15s;}.glossary-promo__cta:hover{background:var(--color-accent-hover);color:var(--color-on-accent);}.breadcrumb{font-size:14px;margin:0 0 1rem;}.breadcrumb__list{list-style:none;display:flex;flex-wrap:wrap;padding:0;}.breadcrumb__item:not(:last-child)::after{content:"\00a0/ 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table{width:100%;border-collapse:collapse;font-size:15px;background:var(--color-surface);}.article__figure th,.article__figure td{border:1px solid var(--color-border);padding:0.5rem 0.75rem;text-align:left;vertical-align:top;}.article__figure th{background:var(--color-sand);font-weight:600;}.article__flow{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0.5rem;}.article__flow li{border:1px solid var(--color-border);border-left:3px solid var(--color-accent);border-radius:var(--radius-sm);padding:0.6rem 0.9rem;background:var(--color-surface);min-width:0;}.toc{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:0.75rem 1rem;background:var(--color-surface);}.toc__heading{font-size:16px;margin:0 0 0.5rem;}.toc__list{margin:0;padding-left:1.25rem;}.glossary-nav__list{list-style:none;display:flex;flex-wrap:wrap;gap:0.5rem;padding:0;}.glossary-nav__link{display:inline-block;min-width:var(--row-min);text-align:center;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);padding:0.15rem 0.5rem;text-decoration:none;transition:border-color 0.15s;}.glossary-nav__link:hover{border-color:var(--color-accent);}.glossary-group__heading{border-bottom:1px solid var(--color-border);padding-bottom:0.25rem;}.sns-share{display:flex;align-items:center;gap:0.5rem;margin:2rem 0 1rem;}.sns-share__label{font-size:14px;color:var(--color-text-muted);}.sns-share__btn{display:inline-flex;align-items:center;justify-content:center;min-width:40px;min-height:40px;padding:0.25rem 0.6rem;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);text-decoration:none;font-size:14px;cursor:pointer;transition:border-color 0.15s;}.sns-share__btn:hover{border-color:var(--color-accent);}#content-feedback{margin:1.5rem 0;}#content-feedback button{min-height:40px;padding:0.3rem 0.9rem;margin-right:0.5rem;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:16px;cursor:pointer;transition:border-color 0.15s;}#content-feedback button:hover{border-color:var(--color-accent);}#content-feedback textarea{width:100%;max-width:560px;font-size:16px;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);padding:0.5rem 0.75rem;margin:0.5rem 0;}.contact-operator{margin:0 0 1.5rem;}.contact-operator dt{font-weight:700;}.contact-operator dd{margin:0 0 0.5rem;}.contact-form__fieldset{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:0.75rem 1rem;margin:0 0 1rem;}.contact-form__legend{font-weight:700;padding:0 0.25rem;}.contact-form__radios{display:flex;flex-wrap:wrap;gap:1rem;}.contact-form__radio-label{display:inline-flex;align-items:center;gap:0.35rem;min-height:var(--row-min);}.contact-form__label{display:block;font-weight:700;margin-bottom:0.25rem;}.contact-form__textarea{width:100%;font-size:16px;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);padding:0.6rem 0.75rem;}.contact-form__counter{font-size:14px;color:var(--color-text-muted);text-align:right;}.contact-form__submit{font-size:16px;min-height:44px;padding:0.5rem 1.5rem;border:1px solid var(--color-accent);border-radius:var(--radius-sm);background:var(--color-accent);color:var(--color-on-accent);cursor:pointer;font-weight:700;transition:background 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1rem;}.learn-mark__btn{display:inline-flex;align-items:center;gap:0.5rem;min-height:44px;padding:0.4rem 1.1rem;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:16px;font-weight:600;cursor:pointer;transition:border-color 0.15s,color 0.15s;}.learn-mark__btn:hover{border-color:var(--color-accent);}.learn-mark__btn .learn-mark__icon{color:var(--color-text-muted);transition:color 0.15s;}.learn-mark__btn--on{border-color:var(--color-ok);}.learn-mark__btn--on .learn-mark__icon{color:var(--color-ok);}.learn-mark__icon .learn-check__path{stroke-dasharray:24;stroke-dashoffset:0;}.learn-mark__btn--on .learn-mark__icon .learn-check__path{animation:learn-draw 0.35s ease-out;}@keyframes 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0.75rem;min-height:var(--row-min);text-decoration:none;}.learn-continue__title{font-size:18px;font-weight:600;color:var(--color-link);min-width:0;overflow-wrap:break-word;}.learn-continue__row:hover .learn-continue__title{text-decoration:underline;}.learn-continue__date{font-size:14px;color:var(--color-text-muted);white-space:nowrap;}.learn-continue__cta{font-size:14px;color:var(--color-link);white-space:nowrap;margin-left:auto;}.learn-continue__cta::after{content:" \2192";}.learn-continue__record{display:inline-flex;align-items:center;min-height:var(--row-min);font-size:14px;}.learn-record__lead{color:var(--color-text-muted);}.learn-record__empty-nav{display:flex;flex-wrap:wrap;gap:0.75rem;margin:1rem 0;}.learn-record__empty-link{display:inline-flex;align-items:center;min-height:44px;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);padding:0.4rem 1.1rem;text-decoration:none;transition:border-color 0.15s;}.learn-record__empty-link:hover{border-color:var(--color-accent);}.learn-record__count{margin-bottom:0.75rem;}.learn-record__count-n{font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;font-size:28px;font-weight:600;color:var(--color-accent-text);margin-right:0.25rem;}.learn-mix{list-style:none;padding:0;margin:0 0 1rem;}.learn-mix__item{display:flex;align-items:center;gap:0.75rem;margin-bottom:0.4rem;}.learn-mix__name{flex:0 0 8em;font-size:14px;overflow-wrap:break-word;}.learn-mix__meter{flex:1;background:var(--color-track);height:12px;}.learn-mix__bar{display:block;height:100%;background:var(--color-accent);}.learn-mix__n{flex:0 0 2.5em;text-align:right;font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;font-weight:600;}.learn-record__items{list-style:none;padding:0;margin:0 0 1rem;}.learn-record__item{display:flex;align-items:center;gap:0.5rem;border-bottom:1px solid var(--color-border);}.learn-record__item-link{display:flex;align-items:baseline;flex-wrap:wrap;gap:0.25rem 0.6rem;flex:1;min-width:0;padding:0.55rem 0.25rem;text-decoration:none;color:var(--color-text);}.learn-record__item-link .learn-check{align-self:center;margin-left:0;}.learn-record__item-title{color:var(--color-link);flex:1 1 12em;min-width:0;overflow-wrap:break-word;}.learn-record__item-link:hover .learn-record__item-title{text-decoration:underline;}.learn-record__item-date{font-size:14px;color:var(--color-text-muted);margin-left:auto;white-space:nowrap;}.learn-record__remove{display:inline-flex;align-items:center;justify-content:center;min-height:40px;min-width:44px;padding:0 0.5rem;background:none;border:none;font-size:14px;color:var(--color-text);text-decoration:underline;cursor:pointer;flex-shrink:0;}.learn-record__remove:hover{color:var(--color-link-hover);}.learn-record__clear-row{margin:2rem 0 0.5rem;}.learn-record__clear{display:inline-flex;align-items:center;min-height:44px;padding:0.4rem 1.1rem;border:1px solid var(--color-crit);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-crit);font-size:16px;cursor:pointer;transition:background 0.15s;}.learn-record__clear:hover{background:var(--color-bg-alt);}.learn-record__cleared{font-size:14px;color:var(--color-text-muted);}@media (max-width:480px){h1{font-size:28px;}h2{font-size:22px;}.hero__title{font-size:32px;}.category-chart__name{flex-basis:9em;font-size:14px;}}.products-hub__group{margin:1.5rem 0 0;}.products-hub__heading{font-size:1.15rem;margin:0 0 0.25rem;padding-left:0.6rem;border-left:3px solid var(--mascot-primary);}.products-hub__lead{margin:0 0 0.75rem;font-size:14px;color:var(--color-text-muted);}.products-hub__list{display:grid;grid-template-columns:minmax(0,1fr);gap:0.75rem;}.products-hub__list .service-card{margin:0;min-height:var(--tap-min);}@media (min-width:720px){.products-hub__list{grid-template-columns:repeat(2,minmax(0,1fr));}}.exam-num{font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;}.exam-num--big{font-size:24px;font-weight:600;}.exam-num--huge{font-size:56px;font-weight:600;line-height:1;letter-spacing:-0.03em;}.exam-num--ok{color:var(--color-ok);}.exam-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}.exam-tag{display:inline-block;font-size:14px;color:var(--color-text-muted);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:0 0.4rem;margin-left:0.25rem;line-height:1.5;}.exam-btn{display:inline-flex;align-items:center;justify-content:center;gap:0.4rem;min-height:44px;padding:0.4rem 1.1rem;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:16px;font-weight:600;text-decoration:none;cursor:pointer;transition:border-color 0.15s,background 0.15s,color 0.15s;}.exam-btn:hover{border-color:var(--color-accent);color:var(--color-text);}.exam-btn:disabled{cursor:not-allowed;border-color:var(--color-border);color:var(--color-text-muted);}.exam-btn--primary{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-on-accent);}.exam-btn--primary:hover{background:var(--color-accent-hover);border-color:var(--color-accent-hover);color:var(--color-on-accent);}.exam-btn--primary:disabled{background:var(--color-track);border-color:var(--color-track);color:var(--color-text-muted);}.exam-btn--small{min-height:40px;padding:0.25rem 0.75rem;font-size:14px;font-weight:500;}.exam-actions{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:0.75rem;margin-top:1.5rem;}.exam-actions--wrap{flex-wrap:wrap;justify-content:flex-start;}.exam-progress-track{display:block;width:100%;height:6px;background:var(--color-track);}.exam-progress-fill{display:block;height:100%;background:var(--color-accent);transition:width 0.5s ease;}.exam-mastery-track{display:block;width:100%;max-width:240px;height:4px;background:var(--color-track);margin-top:0.4rem;}.exam-mastery-fill{display:block;height:100%;width:0;background:var(--color-warn);transition:width 0.5s ease;}.exam-mastery-track--good .exam-mastery-fill{background:var(--color-ok);}.exam-result-track{position:relative;display:block;width:100%;height:10px;background:var(--color-track);}.exam-result-track--main{height:14px;max-width:480px;margin:0.75rem auto;}.exam-result-fill{display:block;height:100%;background:var(--color-accent);transition:width 0.7s ease;}.exam-result-fill--ok{background:var(--color-ok);}.exam-result-mark{position:absolute;top:-4px;bottom:-4px;width:2px;background:var(--color-text);}.exam-index__header{margin-bottom:1.5rem;}.exam-index__title{margin-bottom:0.5rem;}.exam-index__lead{color:var(--color-text-muted);}.exam-cards{list-style:none;padding:0;margin:0 0 1.5rem;}.exam-card{border-top:1px solid var(--color-border);padding:1.25rem 0;}.exam-card:last-child{border-bottom:1px solid var(--color-border);}.exam-card__title{font-size:24px;margin:0 0 0.25rem;border-bottom:none;padding-bottom:0;}.exam-card__title a{text-decoration:none;}.exam-card__title a:hover{text-decoration:underline;}.exam-card__official{font-size:14px;color:var(--color-text-muted);margin-bottom:0.5rem;}.exam-card__desc{margin-bottom:0.5rem;}.exam-card__meta{display:flex;flex-wrap:wrap;gap:0.5rem 1rem;font-size:14px;color:var(--color-text-muted);margin-bottom:0.75rem;}.exam-readiness{color:var(--color-text);font-weight:600;}.exam-card__actions{display:flex;flex-wrap:wrap;gap:0.5rem;}.exam-index__approach{margin-top:1rem;}.exam-resume-banner{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem 1rem;border:1px solid var(--color-border);border-left:3px solid var(--color-warn);border-radius:var(--radius-sm);padding:0.75rem 1rem;margin-bottom:1rem;}.exam-course__header{margin-bottom:1.5rem;}.exam-course__official{font-size:14px;color:var(--color-text-muted);margin-bottom:0.25rem;}.exam-course__title{margin-bottom:0.75rem;}.exam-course__intro{margin-bottom:0;}.exam-course__section-heading{font-size:20px;margin:2rem 0 0.75rem;}.exam-course__progress-text{font-size:14px;color:var(--color-text-muted);margin:0.5rem 0 0;}.exam-domain-list{list-style:none;padding:0;margin:0;}.exam-domain-row{border-top:1px solid var(--color-border);}.exam-domain-row:last-child{border-bottom:1px solid var(--color-border);}.exam-domain-row__link{display:flex;gap:1rem;padding:0.9rem 0.25rem;text-decoration:none;color:var(--color-text);min-height:44px;}.exam-domain-row__link:hover .exam-domain-row__name{text-decoration:underline;}.exam-domain-row__order{flex:0 0 2.2em;font-family:'JetBrains Mono',ui-monospace,monospace;font-size:20px;font-weight:600;color:var(--color-link);line-height:1.4;}.exam-domain-row__body{display:flex;flex-direction:column;gap:0.2rem;min-width:0;flex:1;}.exam-domain-row__name{font-size:18px;font-weight:600;overflow-wrap:break-word;}.exam-domain-row__summary{color:var(--color-text-muted);}.exam-domain-row__meta{display:flex;flex-wrap:wrap;gap:0.25rem 1rem;font-size:14px;color:var(--color-text-muted);}.exam-domain-row__status{display:inline-flex;align-items:center;gap:0.35rem;}.exam-domain-row__status::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--color-border-interactive);}.exam-domain-row__status--in-progress::before{background:var(--color-warn);}.exam-domain-row__status--completed{color:var(--color-text);}.exam-domain-row__status--completed::before{background:var(--color-ok);}.exam-course__weak,.exam-course__practice{border:1px solid var(--color-border);border-left:3px solid var(--color-accent);border-radius:var(--radius-sm);padding:1rem 1.25rem;margin-top:1.5rem;}.exam-course__weak{border-left-color:var(--color-warn);}.exam-course__weak .exam-course__section-heading,.exam-course__practice .exam-course__section-heading{margin-top:0;border-bottom:none;padding-bottom:0;}.exam-facts__list{margin:0 0 0.75rem;}.exam-facts__row{display:grid;grid-template-columns:minmax(0,9em) 1fr;gap:0.5rem 1rem;padding:0.5rem 0;border-top:1px solid var(--color-border);}.exam-facts__row:last-child{border-bottom:1px solid var(--color-border);}.exam-facts__row dt{color:var(--color-text-muted);}.exam-facts__row dd{margin:0;}.exam-facts__note{font-size:14px;color:var(--color-text-muted);}.exam-course__approach{margin-top:1.5rem;}.exam-domain__header{margin-bottom:1rem;}.exam-domain__eyebrow{font-size:14px;color:var(--color-text-muted);margin-bottom:0.25rem;}.exam-domain__subheading{font-size:16px;margin:1rem 0 0.4rem;}.exam-domain__subdomains,.exam-domain__points{padding-left:1.25rem;}.exam-domain__points li{margin-bottom:0.4rem;}.exam-concept{border-top:1px solid var(--color-border);padding:0.9rem 0 0.25rem;}.exam-concept__term{font-size:18px;margin:0 0 0.4rem;}.exam-concept__links{list-style:none;padding:0;margin:0 0 0.5rem;display:flex;flex-wrap:wrap;gap:0.25rem 1rem;font-size:14px;}.exam-domain__check-desc{color:var(--color-text-muted);}.exam-check{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:1rem 1.25rem;}.exam-check__progress{font-size:14px;color:var(--color-text-muted);margin-bottom:0.5rem;}.exam-check__text{font-size:18px;font-weight:600;margin-bottom:0.75rem;}.exam-check__actions{margin-top:1rem;}.exam-check__summary-score{margin-bottom:0.25rem;}.exam-check__summary-intro{font-weight:600;margin-bottom:0.25rem;}.exam-check__static{padding-left:1.25rem;}.exam-domain__next{border-top:1px solid var(--color-border);margin-top:2rem;padding-top:1rem;display:flex;flex-wrap:wrap;gap:0.5rem;align-items:center;}.exam-domain__next h2{flex:1 0 100%;font-size:20px;margin:0 0 0.5rem;border-bottom:none;padding-bottom:0;}.exam-choices{display:flex;flex-direction:column;gap:0.5rem;}.exam-choice{display:flex;align-items:flex-start;gap:0.75rem;width:100%;min-height:44px;text-align:left;padding:0.6rem 0.9rem;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:16px;line-height:1.6;cursor:pointer;transition:border-color 0.15s,background 0.15s;}.exam-choice:hover{border-color:var(--color-accent);}.exam-choice[aria-disabled="true"]{cursor:default;}.exam-choice__letter{flex:0 0 1.6em;font-family:'JetBrains Mono',ui-monospace,monospace;font-weight:600;color:var(--color-link);}.exam-choice__text{flex:1;min-width:0;overflow-wrap:break-word;}.exam-choice--selected{border-color:var(--color-accent);box-shadow:inset 0 0 0 1px var(--color-accent);}.exam-choice--correct{border-color:var(--color-ok);box-shadow:inset 0 0 0 1px var(--color-ok);}.exam-choice--correct .exam-choice__letter{color:var(--color-ok);}.exam-choice--incorrect{border-color:var(--color-crit);box-shadow:inset 0 0 0 1px var(--color-crit);}.exam-choice--incorrect .exam-choice__letter{color:var(--color-crit);}.exam-explanation{border:1px solid var(--color-border);border-left:3px solid var(--color-ok);border-radius:var(--radius-sm);padding:0.9rem 1.1rem;margin-top:1rem;}.exam-explanation--incorrect{border-left-color:var(--color-crit);}.exam-explanation__verdict{font-weight:700;margin-bottom:0.25rem;}.exam-explanation--correct .exam-explanation__verdict{color:var(--color-ok);}.exam-explanation--incorrect .exam-explanation__verdict{color:var(--color-crit);}.exam-explanation__answer{font-weight:600;margin-bottom:0.5rem;}.exam-explanation__wrong{margin-bottom:0.5rem;}.exam-explanation__wrong--picked{border-left:2px solid var(--color-crit);padding-left:0.6rem;}.exam-explanation__sources,.exam-explanation__related{font-size:14px;margin:0.5rem 0 0;}.exam-explanation__sources span,.exam-explanation__related span{color:var(--color-text-muted);margin-right:0.35rem;}.exam-explanation__more{margin:0.5rem 0 0;}.exam-practice__header{margin-bottom:1.25rem;}.exam-practice__eyebrow{font-size:14px;color:var(--color-text-muted);margin-bottom:0.25rem;}.exam-practice__title{margin-bottom:0.5rem;}.exam-practice__desc{color:var(--color-text-muted);margin-bottom:0;}.exam-app{margin-bottom:2rem;}.exam-modes__last{color:var(--color-text-muted);margin-bottom:0.75rem;}.exam-modes__heading{font-size:18px;margin:1.5rem 0 0.75rem;}.exam-nudge{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem 1rem;border:1px solid var(--color-border);border-left:3px solid var(--color-warn);border-radius:var(--radius-sm);padding:0.6rem 1rem;margin-bottom:1rem;}.exam-mode-grid{display:grid;grid-template-columns:1fr;gap:0.5rem;}@media (min-width:640px){.exam-mode-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}.exam-mode{display:flex;flex-direction:column;align-items:flex-start;gap:0.2rem;min-height:64px;text-align:left;padding:0.75rem 1rem;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-size:16px;cursor:pointer;transition:border-color 0.15s;}.exam-mode:hover{border-color:var(--color-accent);}.exam-mode--exam{border-left:3px solid var(--color-accent);}.exam-mode--wrong{border-left:3px solid var(--color-warn);}.exam-mode__title{font-weight:700;}.exam-mode__desc{font-size:14px;color:var(--color-text-muted);}.exam-mode__done{font-size:14px;color:var(--color-ok);font-weight:600;}.exam-resume{border:1px solid var(--color-border);border-left:3px solid var(--color-warn);border-radius:var(--radius-sm);padding:1rem 1.25rem;}.exam-resume__title{font-size:20px;margin:0 0 0.25rem;border-bottom:none;padding-bottom:0;}.exam-question__bar{display:flex;flex-wrap:wrap;align-items:center;gap:0.5rem 1rem;padding-bottom:0.75rem;border-bottom:1px solid var(--color-border);margin-bottom:1rem;}.exam-progress{flex:1 1 200px;display:flex;flex-direction:column;gap:0.3rem;min-width:0;}.exam-progress__text{font-size:14px;}.exam-progress__answered{font-size:14px;color:var(--color-text-muted);}.exam-timer{font-size:18px;font-weight:600;min-width:4.5em;text-align:right;}.exam-timer--warn{color:var(--color-warn);}.exam-timer--crit{color:var(--color-crit);}.exam-navigator{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:0.75rem;margin-bottom:1rem;}.exam-navigator__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:0.35rem;}.exam-navigator__item{min-height:44px;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font-family:'JetBrains Mono',ui-monospace,monospace;font-size:14px;cursor:pointer;}.exam-navigator__item--current{border-color:var(--color-accent);box-shadow:inset 0 0 0 1px var(--color-accent);}.exam-navigator__item--answered{border-color:var(--color-text);}.exam-navigator__item--correct{border-color:var(--color-ok);color:var(--color-ok);}.exam-navigator__item--incorrect{border-color:var(--color-crit);color:var(--color-crit);}.exam-help{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:0.75rem 1rem;margin-bottom:1rem;font-size:14px;}.exam-help p{margin:0.2rem 0;}.exam-help kbd{font-family:'JetBrains Mono',ui-monospace,monospace;border:1px solid var(--color-border-interactive);border-radius:var(--radius-sm);padding:0 0.35rem;font-size:14px;}.exam-question__meta{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:0.5rem;}.exam-question__domain{font-size:14px;color:var(--color-text-muted);}.exam-bookmark{display:inline-flex;align-items:center;gap:0.35rem;min-height:44px;padding:0 0.6rem;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;color:var(--color-text-muted);font-size:14px;cursor:pointer;}.exam-bookmark:hover{border-color:var(--color-border-interactive);color:var(--color-text);}.exam-bookmark--on{color:var(--color-warn);}.exam-question__text{font-size:20px;margin:0 0 1rem;border-bottom:none;padding-bottom:0;}.exam-question__multi{font-size:14px;color:var(--color-text-muted);font-weight:400;}.exam-practice__about{border-top:1px solid var(--color-border);padding-top:0.5rem;}.exam-results__title{margin-bottom:1rem;}.exam-results__score{text-align:center;padding:1rem 0 1.5rem;border-bottom:1px solid var(--color-border);}.exam-results__percent{margin-bottom:0.25rem;line-height:1;}.exam-results__unit{font-size:24px;font-weight:600;margin-left:0.15em;}.exam-results__detail{color:var(--color-text-muted);margin-bottom:0.25rem;}.exam-results__gap{font-weight:700;margin-bottom:0.25rem;color:var(--color-warn);}.exam-results__gap--ok{color:var(--color-ok);}.exam-results__threshold{font-size:14px;color:var(--color-text-muted);margin-bottom:0;}.exam-results__domains h3,.exam-results__weak h3{font-size:18px;margin:1.5rem 0 0.75rem;}.exam-result-domain{padding:0.5rem 0;}.exam-result-domain__head{display:flex;justify-content:space-between;gap:1rem;margin-bottom:0.3rem;}.exam-result-domain__pct{font-weight:600;}.exam-result-domain__frac{font-size:14px;color:var(--color-text-muted);font-weight:400;}.exam-result-domain--weak .exam-result-fill{background:var(--color-warn);}.exam-results__weak ul{padding-left:1.25rem;}.exam-results__hint{font-size:14px;color:var(--color-text-muted);margin-top:1rem;}.exam-history{margin-top:2rem;}.exam-history__title{font-size:18px;margin:0 0 0.5rem;}.exam-history__plot{border-left:1px solid var(--color-border-interactive);border-bottom:1px solid var(--color-border-interactive);padding:0 0 0 2px;}.exam-history__bars{position:relative;height:120px;}.exam-history__bar{position:absolute;bottom:0;background:var(--color-accent);}.exam-history__bar--ok{background:var(--color-ok);}.exam-history__bar--study{background:repeating-linear-gradient(135deg,var(--color-accent) 0 4px,var(--color-track) 4px 8px);}.exam-history__bar--study.exam-history__bar--ok{background:repeating-linear-gradient(135deg,var(--color-ok) 0 4px,var(--color-track) 4px 8px);}.exam-history__threshold{position:absolute;left:0;right:0;border-top:1px dashed var(--color-text);}.exam-history__threshold-label{position:absolute;right:0;top:-1.4em;font-size:14px;color:var(--color-text-muted);}.exam-history__axis{display:flex;justify-content:space-between;font-size:14px;color:var(--color-text-muted);font-family:'JetBrains Mono',ui-monospace,monospace;margin-top:0.25rem;}.exam-history__legend{display:flex;gap:1rem;font-size:14px;color:var(--color-text-muted);margin-top:0.5rem;}.exam-history__legend-item{display:inline-flex;align-items:center;gap:0.35rem;}.exam-history__swatch{display:inline-block;width:12px;height:12px;background:var(--color-accent);}.exam-history__swatch--study{background:repeating-linear-gradient(135deg,var(--color-accent) 0 3px,var(--color-track) 3px 6px);}.exam-toast-host{position:fixed;left:50%;bottom:1.5rem;transform:translateX(-50%);display:flex;flex-direction:column;gap:0.5rem;z-index:900;pointer-events:none;}.exam-toast{background:var(--color-text);color:var(--color-bg);padding:0.6rem 1rem;border-radius:var(--radius-sm);font-size:14px;}.exam-record__list{list-style:none;padding:0;margin:0 0 1rem;}.exam-record__item{display:grid;grid-template-columns:1fr auto auto auto;gap:0.5rem 1rem;align-items:center;padding:0.6rem 0;border-top:1px solid var(--color-border);min-height:44px;}.exam-record__item:last-child{border-bottom:1px solid var(--color-border);}.exam-record__score,.exam-record__attempts{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:14px;}@media (max-width:479px){.exam-record__item{grid-template-columns:1fr auto;}}.exam-promo{border-top:1px solid var(--color-border);padding-top:1.5rem;margin-top:2rem;}.exam-promo__lead{color:var(--color-text-muted);}@media (prefers-reduced-motion:reduce){.exam-btn,.exam-choice,.exam-mode,.exam-progress-fill,.exam-mastery-fill,.exam-result-fill{transition:none;}}