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var(--transition-fast);border-radius:12px;flex-direction:row;align-items:center;gap:12px;padding:16px;display:flex}.choice input[type=radio],.choice input[type=checkbox]{accent-color:var(--text-accent);cursor:pointer;flex-shrink:0;width:18px;height:18px}@media (hover:hover){.choice:hover{border-color:var(--border-hover);background:var(--bg-tertiary)}}.choice.selected{border:2px solid var(--bg-accent);background:var(--bg-accent)}.choice:has(input:checked){border:2px solid var(--bg-accent);background:var(--bg-accent)}@supports (color:color-mix(in lab, red, red)){.choice.selected{background:color-mix(in oklab, var(--bg-accent) 10%, transparent)}.choice:has(input:checked){background:color-mix(in oklab, var(--bg-accent) 10%, transparent)}}.preserve-lines{white-space:pre-wrap}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.stack{flex-direction:column;gap:16px;display:flex}.platform-shell{min-height:100dvh;display:flex}.platform-sidebar{border-right:1px solid var(--border);background:var(--bg-secondary);width:240px;z-index:var(--z-sidebar);flex-direction:column;gap:16px;padding:24px 16px;transition:width .2s,padding .2s;display:flex;position:fixed;inset:0 auto 0 0}.platform-sidebar.collapsed{align-items:center;width:72px;padding:24px 10px}.platform-sidebar__top{justify-content:space-between;align-items:center;gap:8px;width:100%;display:flex}.platform-sidebar.collapsed .platform-sidebar__top{flex-direction:column;justify-content:center;gap:12px}.platform-logo__mark{border-radius:var(--radius-md);background:var(--bg-accent);letter-spacing:-.02em;justify-content:center;align-items:center;width:32px;height:32px;font-size:13px;font-weight:800;display:inline-flex;color:var(--text-inverse)!important}.platform-sidebar.collapsed .badge{display:none}.platform-sidebar.collapsed .platform-nav-item{justify-content:center;width:48px;height:48px;padding:12px}.platform-sidebar.collapsed .platform-nav-item span{display:none}.platform-logo{color:var(--text-primary);font-size:24px;font-weight:800;text-decoration:none}.platform-logo span{color:var(--text-accent)}.platform-nav-item{border-radius:var(--radius-lg);color:var(--text-secondary);min-height:48px;transition:all var(--transition-fast);align-items:center;gap:12px;padding:14px 12px;font-size:15px;text-decoration:none;display:flex}@media (hover:hover){.platform-nav-item:hover{color:var(--text-primary);background:var(--bg-tertiary)}}.platform-nav-item.active{background:var(--bg-accent);color:var(--text-inverse);font-weight:600}.platform-content{flex:1;min-width:0;margin-left:240px}@media (width>=48rem){.platform-content{transition:margin-left .2s}}.platform-content.sidebar-collapsed{margin-left:72px}.platform-content.platform-content--bare{margin-left:0}.platform-header{box-sizing:border-box;min-height:calc(56px + env(safe-area-inset-top));padding:env(safe-area-inset-top) 24px 0;background:var(--bg-secondary);align-items:center;gap:12px;display:flex;position:sticky;top:0}@supports (color:color-mix(in lab, red, red)){.platform-header{background:color-mix(in oklab, var(--bg-secondary) 88%, transparent)}}.platform-header{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);z-index:var(--z-header)}.platform-header select{white-space:nowrap;text-overflow:ellipsis;border-radius:var(--radius-lg);min-width:0;max-width:360px;font-size:var(--text-sm);background-color:var(--bg-secondary);border:1px solid var(--field-border);color:var(--text-primary);cursor:pointer;transition:border-color var(--transition-fast), box-shadow var(--transition-fast);flex:1;padding:8px 14px;font-weight:500;overflow:hidden}.platform-header select:hover{border-color:var(--border-hover)}.platform-header select:focus{border-color:var(--text-accent);box-shadow:0 0 0 3px var(--bg-accent);outline:none}@supports (color:color-mix(in lab, red, red)){.platform-header select:focus{box-shadow:0 0 0 3px color-mix(in oklab, var(--bg-accent) 45%, transparent)}}.platform-header__course{white-space:nowrap;text-overflow:ellipsis;min-width:0;max-width:360px;font-size:var(--text-sm);color:var(--text-secondary);flex:1;margin:0;font-weight:500;overflow:hidden}.sidebar-toggle-btn{border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-tertiary);width:44px;min-width:44px;height:44px;min-height:44px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);flex-shrink:0;justify-content:center;align-items:center;display:flex}@media (hover:hover){.sidebar-toggle-btn:hover{color:var(--text-primary);border-color:var(--border-hover);background:var(--border)}}.platform-menu-dropdown{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);min-width:200px;z-index:var(--z-dropdown);animation:scaleIn var(--transition-fast) ease-out;flex-direction:column;gap:4px;padding:8px;display:flex;position:absolute;top:calc(100% + 4px);right:12px}.platform-menu-dropdown .platform-menu-item{border-radius:var(--radius-md);color:var(--text-primary);font-size:var(--text-sm);text-align:left;cursor:pointer;width:100%;min-height:44px;transition:background-color var(--transition-fast);background:0 0;border:none;justify-content:flex-start;align-items:center;gap:10px;padding:10px 12px;text-decoration:none;display:flex}@media (hover:hover){.platform-menu-dropdown .platform-menu-item:hover{background:var(--bg-tertiary)}}.sync-indicator{position:relative}.sync-indicator .sync-indicator__toggle,.platform-header .sync-indicator__toggle{min-height:44px;font-size:var(--text-xs);gap:4px;padding:0 4px}.sync-indicator__details{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);width:min(18rem,100vw - 24px);box-shadow:var(--shadow-lg);color:var(--text-primary);font-size:var(--text-sm);white-space:normal;z-index:var(--z-dropdown);flex-direction:column;gap:8px;padding:12px;display:flex;position:absolute;top:calc(100% + 4px);right:0}.account-menu{flex-shrink:1;min-width:0;margin-left:auto;position:relative}.account-menu__button{min-width:44px;max-width:100%;min-height:44px;font-size:var(--text-sm);align-items:center;gap:8px;padding:8px 12px;display:flex}.account-menu__label{white-space:nowrap;text-overflow:ellipsis;max-width:14rem;display:none;overflow:hidden}@media (width>=40rem){.account-menu__label{display:inline}}.platform-menu-dropdown.account-menu__list{width:max-content;min-width:220px;max-width:min(20rem,100vw - 24px);max-height:calc(100dvh - 72px - env(safe-area-inset-top));overscroll-behavior:contain;right:0;overflow-y:auto}@media (width<=47.9375rem){.platform-menu-dropdown.account-menu__list{max-height:calc(100dvh - 72px - env(safe-area-inset-top) - 64px - env(safe-area-inset-bottom))}}.platform-footer{font-size:var(--text-sm);flex-wrap:wrap;justify-content:center;align-items:center;gap:24px;padding:24px;display:flex}.platform-footer__disclaimer{text-align:center;max-width:48rem;font-size:var(--text-xs);color:var(--text-tertiary);flex-basis:100%;margin:0}.device-banner{max-width:1080px;margin:0 auto;padding:12px 24px 0}.shell-banners{top:calc(56px + env(safe-area-inset-top));z-index:calc(var(--z-header) - 1);background:var(--bg-primary);position:sticky}.shell-banners__inner{flex-direction:column;gap:8px;max-width:1080px;margin:0 auto;padding:12px 24px 0;display:flex}.platform-bottom,.mobile-brand{display:none}.skip-link{z-index:var(--z-toast);border-radius:var(--radius-md);background:var(--bg-secondary);color:var(--text-primary);border:2px solid var(--text-accent);padding:12px 16px;font-weight:600;position:fixed;top:8px;left:8px;transform:translateY(-200%)}.skip-link:not(:focus){opacity:0;pointer-events:none}.skip-link:focus{transform:none}.platform-sidebar .platform-logo{font-size:var(--text-xl);white-space:nowrap;letter-spacing:-.02em}#main:focus{outline:none}.notice{background:var(--bg-secondary);border:1px solid var(--text-accent);white-space:pre-line;border-radius:10px;padding:16px;line-height:1.6}.notice--error{border-color:var(--danger);background:var(--danger-bg);color:var(--text-primary)}.skeleton{background:linear-gradient(90deg, var(--bg-tertiary) 25%, var(--border) 50%, var(--bg-tertiary) 75%);border-radius:var(--radius-md);background-size:200% 100%;animation:1.5s ease-in-out infinite shimmer}.boot-skeleton{flex-direction:column;gap:16px;max-width:1080px;margin:0 auto;padding:32px 24px 64px;display:flex}.boot-skeleton>.skeleton{border-radius:var(--radius-lg);height:120px}.boot-skeleton__note{font-size:var(--text-sm);color:var(--text-secondary);margin:0;animation:.3s 2s backwards boot-note-in}@media (prefers-reduced-motion:reduce){.boot-skeleton__note{animation:0s linear 2s backwards boot-note-in!important}}@keyframes boot-note-in{0%{opacity:0}}html:not([data-shell=app]) #root>.seo-main~.boot-skeleton,html[data-shell=app] #root>.seo-main{display:none}@media (scripting:none){.boot-skeleton{display:none}}.toast-container{inset:unset;top:calc(1rem + env(safe-area-inset-top));z-index:var(--z-toast);background:0 0;border:0;flex-direction:column;max-width:min(400px,92vw);margin:0;padding:0;display:flex;position:fixed;right:1rem;overflow:visible}.toast-region{flex-direction:column;gap:.5rem;display:flex}.toast-region:not(:empty)+.toast-region:not(:empty){margin-top:.5rem}.toast-container:popover-open{display:flex}@media (width<=47.9375rem){.toast-container{inset:unset;top:calc(1rem + env(safe-area-inset-top));max-width:100%;left:1rem;right:1rem}}.toast-item{pointer-events:auto;border-radius:var(--radius-lg);background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border);box-shadow:var(--shadow-lg);font-size:var(--text-sm);align-items:flex-start;gap:.75rem;padding:.875rem 1rem;line-height:1.4;transition:all .2s;animation:.25s ease-out fadeInDown;display:flex}.toast-item--success{border-left:4px solid var(--success)}.toast-item--error{border-left:4px solid var(--danger)}.toast-item--warning{border-left:4px solid var(--warning)}.toast-item--info{border-left:4px solid var(--info)}.toast-close{color:var(--text-tertiary);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;width:32px;min-width:32px;height:32px;min-height:32px;margin-left:auto;padding:4px;display:flex}@media (hover:hover){.toast-close:hover{color:var(--text-primary);background:var(--bg-tertiary)}}.landing-platform{--landing-header-h:4.0625rem;max-width:1200px;min-height:100dvh;margin:0 auto;padding:0 24px 64px}.landing-header{z-index:30;background:var(--bg-primary);border-bottom:1px solid var(--border);position:sticky;top:0}.landing-header__bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:4px 16px;min-height:4rem;display:flex}.landing-main{gap:var(--space-3xl);padding:var(--space-xl) 0 var(--space-3xl);flex-direction:column;display:flex}@media (width>=48rem){.landing-main{padding:var(--space-2xl) 0 6rem;gap:6rem}}.landing-hero{align-items:flex-start;gap:var(--space-md);flex-direction:column;max-width:56rem;display:flex}.landing-hero__title{font-size:min(1.875rem,max(1.25rem,8vw));font-weight:var(--weight-bold);letter-spacing:-.02em;overflow-wrap:break-word;text-wrap:balance;line-height:1.2}@media (width>=40rem){.landing-hero__title{font-size:3rem}}.landing-hero__lead{max-width:42rem;font-size:var(--text-base);line-height:var(--leading-relaxed);color:var(--text-secondary)}@media (width>=40rem){.landing-hero__lead{font-size:var(--text-xl)}}.landing-hero__start{align-items:flex-start;gap:var(--space-md);width:100%;padding-top:var(--space-sm);flex-direction:column;display:flex}.landing-header__logo{font-size:var(--text-xl);font-weight:var(--weight-bold)}@media (width>=40rem){.landing-header__logo{font-size:var(--text-2xl)}}.landing-header__actions{align-items:center;gap:var(--space-sm);display:flex}.landing-header__signin{padding-inline:var(--space-md)}.landing-header__start-short{display:none}.landing-header__theme{padding-inline:var(--space-sm)}@media (width<=29.9375rem){.landing-header__bar{column-gap:var(--space-sm)}.landing-header__logo{font-size:var(--text-lg)}.landing-header__actions{gap:var(--space-xs)}.landing-header__signin{padding-inline:var(--space-sm)}.landing-header__start{padding-inline:var(--space-md)}.landing-header__start-long{display:none}.landing-header__start-short{display:inline}}@media (width<=23.9375rem){.landing-header__actions .btn{font-size:var(--text-sm)}}.landing-header__pills-slot{display:none}.landing-section{scroll-margin-top:calc(var(--landing-header-h) + 1rem)}.landing-section--narrow{width:100%;max-width:48rem;margin-inline:auto}.landing-section__title{margin-bottom:var(--space-lg);font-size:var(--text-2xl);font-weight:var(--weight-bold);letter-spacing:-.01em;line-height:var(--leading-tight);text-wrap:balance}@media (width>=48rem){.landing-section__title{margin-bottom:var(--space-xl);font-size:var(--text-3xl)}}.landing-section__note{margin-top:var(--space-lg);max-width:42rem;font-size:var(--text-sm);color:var(--text-secondary)}:where(.landing-platform) .card{padding:28px}@media (width<=47.9375rem){.landing-platform{padding:0 16px 64px}.landing-header__pills-slot{min-height:3.25rem;padding-top:8px;display:block}.landing-header__pills{scrollbar-width:none;gap:8px;padding:0 2.5rem 0 0;display:flex;overflow-x:auto;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 2.5rem),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 2.5rem),#0000)}.landing-header__pills::-webkit-scrollbar{display:none}.landing-pill{border:1px solid var(--border);white-space:nowrap;border-radius:9999px;flex:none;align-items:center;min-height:2.75rem;padding:0 16px;font-size:.875rem;font-weight:500;display:inline-flex}}.landing-continue{flex-direction:column;align-items:flex-start;gap:8px;display:flex}.landing-continue p{font-size:var(--text-sm);margin:0}.landing-exam-notice{max-width:40rem;font-size:var(--text-sm);color:var(--text-secondary);margin:0}.landing-exam-notice a{color:var(--text-accent);text-underline-offset:3px;text-decoration:underline}.landing-section__lede{max-width:44rem;margin:calc(-1 * var(--space-sm)) 0 var(--space-lg);line-height:var(--leading-relaxed);color:var(--text-secondary)}.landing-mark{text-decoration-line:underline;-webkit-text-decoration-color:var(--chalk,var(--text-accent));-webkit-text-decoration-color:var(--chalk,var(--text-accent));-webkit-text-decoration-color:var(--chalk,var(--text-accent));text-decoration-color:var(--chalk,var(--text-accent));text-underline-offset:.16em;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none;-webkit-box-decoration-break:clone;box-decoration-break:clone;text-decoration-thickness:.12em}.landing-groups{gap:var(--space-sm);grid-template-columns:minmax(0,1fr);margin:0;padding:0;list-style:none;display:grid}@media (width>=40rem){.landing-groups{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=60rem){.landing-groups{grid-template-columns:repeat(3,minmax(0,1fr))}}.landing-group{column-gap:var(--space-md);row-gap:var(--space-2xs);padding:var(--space-md);border:1px solid var(--border);border-radius:var(--radius-xl);background:var(--bg-secondary);grid-template-columns:2.5rem minmax(0,1fr);display:grid}.landing-group__number{font-size:var(--text-2xl);font-weight:var(--weight-bold);font-variant-numeric:tabular-nums lining-nums;color:var(--text-accent);grid-row:span 2;line-height:1.2}.landing-group__title{font-size:var(--text-base);font-weight:var(--weight-semibold);text-wrap:pretty;line-height:1.35}.landing-group__meta{font-size:var(--text-sm);font-variant-numeric:tabular-nums lining-nums;color:var(--text-secondary);margin:0}.landing-faq__list,.landing-faq__item,.landing-faq__panel{min-width:0}.landing-stats{border-block:1px solid var(--border);padding:var(--space-xl) 0}.landing-stats--pending{min-height:11rem}.landing-stats__list{gap:var(--space-xl) var(--space-md);grid-template-columns:repeat(2,minmax(0,1fr));margin:0;padding:0;list-style:none;display:grid}@media (width>=48rem){.landing-stats__list{grid-template-columns:repeat(4,minmax(0,1fr))}.landing-stats{padding:var(--space-2xl) 0}}.landing-stat{align-items:flex-start;gap:var(--space-xs);flex-direction:column;min-width:0;display:flex}.landing-stat__value{letter-spacing:-.02em;min-height:2.75rem;color:var(--text-accent);align-items:center;font-size:min(2.25rem,11vw);font-weight:800;line-height:1.1;display:inline-flex}@media (width>=48rem){.landing-stat__value{min-height:3.5rem;font-size:min(3rem,5vw)}}.landing-stat__label{font-size:var(--text-sm);line-height:var(--leading-normal);color:var(--text-secondary)}.landing-how{gap:var(--space-md);grid-template-columns:minmax(0,1fr);margin:0;padding:0;list-style:none;display:grid}@media (width>=48rem){.landing-how{gap:var(--space-lg);grid-template-columns:repeat(3,minmax(0,1fr))}}.landing-step{align-items:flex-start;gap:var(--space-sm);padding:var(--space-lg);border:1px solid var(--border);border-radius:var(--radius-xl);background:var(--bg-secondary);flex-direction:column;display:flex}.landing-step__icon{border-radius:var(--radius-lg);background:var(--bg-accent);justify-content:center;align-items:center;width:3.5rem;height:3.5rem;display:inline-flex}@supports (color:color-mix(in lab, red, red)){.landing-step__icon{background:color-mix(in oklab, var(--bg-accent) 12%, transparent)}}.landing-step__icon{color:var(--text-accent)}.landing-step__number{margin-top:var(--space-xs);font-size:var(--text-sm);font-weight:var(--weight-semibold);letter-spacing:.04em;text-transform:uppercase;color:var(--text-accent)}.landing-step__title{font-size:var(--text-xl);font-weight:var(--weight-bold);line-height:var(--leading-tight)}.landing-step__text{line-height:var(--leading-relaxed);color:var(--text-secondary)}.landing-plans{gap:var(--space-lg);grid-template-columns:minmax(0,1fr);align-items:stretch;display:grid}@media (width>=48rem){.landing-plans{grid-template-columns:repeat(2,minmax(0,1fr))}}.plan-card{gap:var(--space-md);padding:var(--space-lg);border:1px solid var(--border);border-radius:var(--radius-2xl);background:var(--bg-secondary);flex-direction:column;display:flex;position:relative}@media (width>=48rem){.plan-card{padding:var(--space-xl)}}.plan-card--pro{border:2px solid var(--bg-accent);background:var(--bg-accent)}@supports (color:color-mix(in lab, red, red)){.plan-card--pro{background:color-mix(in oklab, var(--bg-accent) 8%, var(--bg-primary))}}.plan-card--pro{box-shadow:var(--shadow-md)}.plan-card__flag{padding:var(--space-2xs) var(--space-md);border-radius:var(--radius-full);background:var(--bg-accent);color:var(--text-inverse);font-size:var(--text-xs);font-weight:var(--weight-bold);letter-spacing:.04em;text-transform:uppercase;align-self:flex-start;margin:0}.plan-card__title{font-size:var(--text-2xl);font-weight:var(--weight-bold);line-height:var(--leading-tight)}.plan-card__summary{color:var(--text-secondary);line-height:var(--leading-normal);margin:0}.plan-card__price{align-items:baseline;gap:var(--space-xs) var(--space-sm);flex-wrap:wrap;margin:0;display:flex}.plan-card__amount{letter-spacing:-.02em;color:var(--text-primary);font-size:min(2.75rem,12vw);font-weight:800;line-height:1.1}.plan-card__per{font-size:var(--text-sm);color:var(--text-secondary)}.plan-card__list{gap:var(--space-sm);color:var(--text-primary)}.plan-card__trial{padding-top:var(--space-md);border-top:1px solid var(--border);font-weight:var(--weight-semibold);color:var(--text-primary);margin:auto 0 0}.landing-plans__actions{align-items:center;gap:var(--space-md) var(--space-lg);margin-top:var(--space-xl);flex-wrap:wrap;display:flex}.landing-plans__more{min-height:2.75rem;color:var(--text-accent);text-underline-offset:3px;align-items:center;text-decoration:underline;display:inline-flex}.landing-cta{align-items:flex-start;gap:var(--space-md);padding:var(--space-xl) var(--space-lg);border:1px solid var(--bg-accent);border-radius:var(--radius-2xl);background:var(--bg-accent);flex-direction:column;display:flex}@supports (color:color-mix(in lab, red, red)){.landing-cta{background:color-mix(in oklab, var(--bg-accent) 8%, var(--bg-primary))}}@media (width>=48rem){.landing-cta{padding:var(--space-3xl) var(--space-xl);text-align:center;align-items:center}}.landing-cta__title{max-width:36rem;font-size:var(--text-2xl);font-weight:var(--weight-bold);line-height:var(--leading-tight);text-wrap:balance}@media (width>=48rem){.landing-cta__title{font-size:var(--text-3xl)}}.landing-cta__text{max-width:36rem;color:var(--text-secondary);line-height:var(--leading-relaxed);margin:0}.seo-body{margin:0}.seo-header{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;max-width:960px;margin:0 auto;padding:16px 24px;display:flex}.seo-logo{font-size:var(--text-xl);color:var(--text-primary);font-weight:700}.seo-nav{font-size:var(--text-sm);flex-wrap:wrap;gap:8px 24px;font-weight:500;display:flex}.seo-nav a{min-height:44px;color:var(--text-accent);align-items:center;display:inline-flex}.seo-main{max-width:960px;color:var(--text-secondary);flex-direction:column;gap:24px;margin:0 auto;padding:24px;line-height:1.7;display:flex}.seo-main h1{font-size:var(--text-3xl);color:var(--text-primary);font-weight:800;line-height:1.2}.seo-main h2{font-size:var(--text-xl);color:var(--text-primary);font-weight:700}.seo-main h3{font-size:var(--text-lg);color:var(--text-primary);margin-top:16px;font-weight:600}.seo-main section>*+*{margin-top:12px}.seo-main ul{padding-left:24px;list-style:outside}.seo-main .btn{display:inline-flex}.seo-main a:not(.btn){color:var(--text-accent);text-decoration:underline}.seo-lead{font-size:var(--text-lg);max-width:68ch}.seo-note{font-size:var(--text-sm);color:var(--text-secondary)}.seo-crumbs ol{font-size:var(--text-sm);flex-wrap:wrap;gap:4px 8px;margin:0;padding:0;list-style:none;display:flex}.seo-crumbs li+li:before{content:"/";color:var(--text-tertiary);margin-right:8px}.seo-main .seo-list{grid-template-columns:repeat(auto-fill,minmax(min(18rem,100%),1fr));gap:8px;padding-left:0;list-style:none;display:grid}.seo-main .seo-list li{border:1px solid var(--border);background:var(--bg-secondary);border-radius:12px;padding:12px 16px}.seo-main .specialty-grid{padding-left:0;list-style:none}.seo-main a.specialty-card{color:var(--text-primary);text-decoration:none}.seo-main .specialty-card__cta{color:var(--text-accent)}.seo-sector{margin-top:var(--space-lg)}.seo-main .seo-jump{gap:var(--space-sm);grid-template-columns:repeat(auto-fill,minmax(min(17rem,100%),1fr));padding-left:0;list-style:none;display:grid}.seo-main .seo-jump li{justify-content:space-between;align-items:center;gap:var(--space-sm);min-height:2.75rem;padding:var(--space-xs) var(--space-md);border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-secondary);display:flex}.seo-count{font-size:var(--text-sm);color:var(--text-secondary);flex:none;display:block}.seo-facts{grid-template-columns:repeat(auto-fit,minmax(min(14rem,100%),1fr));gap:8px 24px;margin:0;display:grid}.seo-facts dt{font-size:var(--text-sm);color:var(--text-tertiary)}.seo-facts dd{color:var(--text-primary);margin:0}.seo-main .seo-questions{gap:16px;padding-left:24px;display:grid}.seo-question{border:1px solid var(--border);background:var(--bg-secondary);border-radius:12px;padding:12px 16px}.seo-question>*+*{margin-top:8px}.seo-question__prompt,.seo-question__solution{white-space:pre-line}.seo-question__prompt{font-weight:600}.seo-question__table{border:1px solid var(--border);border-radius:8px;max-width:100%;overflow-x:auto}.seo-question__table table{border-collapse:collapse;min-width:100%;font-size:var(--text-sm)}.seo-question__table th,.seo-question__table td{border-bottom:1px solid var(--border);text-align:start;vertical-align:top;padding:6px 12px}.seo-question__table th{background:var(--bg-tertiary);white-space:nowrap;font-weight:600}.seo-main .seo-question__options{gap:4px;padding-left:0;list-style:none;display:grid}.seo-question__key{font-weight:600}.seo-question summary{cursor:pointer;color:var(--text-primary);font-weight:600}.seo-question details>*+*{margin-top:8px}.seo-question__source{font-size:var(--text-sm);color:var(--text-secondary)}.specialty-browser{gap:var(--space-sm);width:100%;scroll-margin-top:calc(var(--landing-header-h,4rem) + 1rem);flex-direction:column;display:flex}.specialty-browser__label{font-size:var(--text-lg);font-weight:var(--weight-bold);color:var(--text-primary)}.specialty-browser__field{align-items:center;display:flex;position:relative}.specialty-browser__field>svg{color:var(--text-secondary);pointer-events:none;position:absolute;inset-inline-start:var(--space-md)}.specialty-browser__input{width:100%;min-height:3.5rem;padding:var(--space-sm) var(--space-md) var(--space-sm) 3rem;border:1px solid var(--field-border);border-radius:var(--radius-xl);background:var(--bg-secondary);color:var(--text-primary);font:inherit;font-size:var(--text-lg)}.specialty-browser__input--pending{align-items:center;display:flex}.specialty-browser--pending:after{content:"";min-height:15rem;display:block}.specialty-browser__hint,.specialty-browser__count{font-size:var(--text-sm);color:var(--text-secondary);margin:0}.specialty-browser__suggested{font-weight:var(--weight-semibold);color:var(--text-primary)}.specialty-browser__results{gap:var(--space-lg);margin-top:var(--space-sm);flex-direction:column;display:flex}.specialty-browser__heading{margin:0 0 var(--space-sm);font-size:var(--text-lg);font-weight:var(--weight-bold);color:var(--text-primary);overflow-wrap:anywhere}.specialty-browser__heading:focus-visible{outline-offset:4px}.specialty-browser__panel{scroll-margin-top:calc(var(--landing-header-h,4rem) + 1rem)}.specialty-browser__sector{margin-top:var(--space-md)}.specialty-browser__empty{color:var(--text-secondary);margin:0}.specialty-browser__more{min-height:2.75rem;padding:var(--space-sm) 0;font:inherit;cursor:pointer;color:var(--text-accent);text-underline-offset:3px;overflow-wrap:anywhere;background:0 0;border:0;text-decoration:underline}.specialty-grid{gap:var(--space-md);grid-template-columns:minmax(0,1fr);margin:0;padding:0;list-style:none;display:grid}@media (width>=40rem){.specialty-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=64rem){.specialty-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.specialty-grid--families{grid-template-columns:repeat(2,minmax(0,1fr))}}.specialty-grid>li{min-width:0;display:flex}.specialty-card{align-items:flex-start;gap:var(--space-md);min-width:0;min-height:7rem;padding:var(--space-md);border:1px solid var(--border);border-radius:var(--radius-xl);background:var(--bg-secondary);color:var(--text-primary);font:inherit;text-align:start;cursor:pointer;overflow-wrap:anywhere;transition:border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);flex:1;text-decoration:none;display:flex}@media (hover:hover){.specialty-card:hover{border-color:var(--bg-accent);background:var(--bg-elevated);transform:translateY(-1px)}}@media (prefers-reduced-motion:reduce){.specialty-card:hover{transform:none}}.specialty-card__body{gap:var(--space-xs);flex-direction:column;flex:1;min-width:0;display:flex}.specialty-card__badges{gap:var(--space-xs);flex-wrap:wrap;display:flex}.specialty-card__badges:empty{display:none}.specialty-card__badge{padding:var(--space-2xs) var(--space-sm);border-radius:var(--radius-full);background:var(--bg-tertiary);font-size:var(--text-xs);font-weight:var(--weight-semibold);letter-spacing:.02em}.specialty-card__badge--on{background:var(--bg-accent)}@supports (color:color-mix(in lab, red, red)){.specialty-card__badge--on{background:color-mix(in oklab, var(--bg-accent) 14%, transparent)}}.specialty-card__badge--on{color:var(--text-accent)}.specialty-card__title{font-size:var(--text-lg);font-weight:var(--weight-bold);line-height:var(--leading-tight)}.specialty-card__stat,.specialty-card__exam{font-size:var(--text-sm);color:var(--text-secondary)}.specialty-card__cta{align-items:center;gap:var(--space-xs);padding-top:var(--space-xs);font-size:var(--text-sm);font-weight:var(--weight-semibold);color:var(--text-accent);margin-top:auto;display:inline-flex}.specialty-card__chevron{transition:transform var(--transition-fast);flex:none;transform:rotate(90deg)}.specialty-card--family[aria-expanded=true] .specialty-card__chevron{transform:rotate(-90deg)}.specialty-card--family[aria-expanded=true]{border-color:var(--bg-accent)}.specialty-sectors{gap:var(--space-sm);border:0;grid-template-columns:repeat(auto-fill,minmax(min(11rem,100%),1fr));min-width:0;margin:0;padding:0;display:grid}.specialty-sector{align-items:flex-start;gap:var(--space-xs);min-height:2.75rem;padding:var(--space-sm) var(--space-md);border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-secondary);color:var(--text-primary);font:inherit;text-align:start;cursor:pointer;overflow-wrap:anywhere;flex-direction:column;display:flex}.specialty-sector--all{justify-content:center}.specialty-sector[aria-pressed=true]{border-color:var(--bg-accent);background:var(--bg-accent)}@supports (color:color-mix(in lab, red, red)){.specialty-sector[aria-pressed=true]{background:color-mix(in oklab, var(--bg-accent) 12%, 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var(--border);border-radius:var(--radius-lg);background:var(--bg-primary)}.consistency-strip{gap:var(--space-xs);flex-direction:column;display:flex}.consistency-strip__dots{align-items:center;gap:var(--space-sm);flex-wrap:wrap;padding:3px;display:flex}.consistency-strip__dot{border:2px solid var(--border-hover);background:0 0;border-radius:9999px;width:.75rem;height:.75rem}.consistency-strip__dot--active{border-color:var(--bg-accent);background:var(--bg-accent)}.consistency-strip__dot--today{outline:2px solid var(--text-secondary);outline-offset:1px}.start-page{flex-direction:column;gap:24px;max-width:48rem;margin:0 auto;padding:24px 16px 64px;display:flex}.start-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;padding-bottom:16px;display:flex}.start-header__titles{min-width:0}.start-header>.btn{flex-shrink:0;max-width:50%}.start-header__course{font-size:var(--text-sm);color:var(--text-secondary);margin:0}.start-header__title{font-size:var(--text-2xl);margin:0;font-weight:800;line-height:1.2}.start-page .session-frame{--session-bar-top:env(safe-area-inset-top)}@media (width<=47.9375rem){.start-page .session-navigation{padding:var(--space-sm) 16px calc(var(--space-sm) + env(safe-area-inset-bottom));margin-inline:-16px;bottom:0}}.start-intro{min-height:8em;color:var(--text-secondary);margin:0;line-height:1.6}@media (width>=48rem){.start-intro{min-height:4.8em}}.start-result{flex-direction:column;gap:12px;padding:24px;display:flex}.start-result__score{font-size:var(--text-2xl);margin:0;font-weight:800}.start-footer{gap:var(--space-xs);padding-top:var(--space-md);border-top:1px solid var(--border);color:var(--text-secondary);font-size:var(--text-sm);flex-direction:column;display:flex}.start-footer__links{gap:var(--space-xs) var(--space-md);flex-wrap:wrap;display:flex}.start-footer__links a{min-height:44px;color:var(--text-secondary);align-items:center;display:inline-flex}.start-footer__notice{margin:0}.start-share{align-items:flex-start;gap:var(--space-xs);flex-direction:column;display:flex}.start-share>.btn--ghost{margin-inline-start:calc(-1 * min(var(--space-lg), 8vw))}.start-share output{color:var(--text-secondary);font-size:var(--text-sm);margin:0}.auth-page{justify-content:center;align-items:center;gap:var(--space-lg);min-height:100dvh;padding:var(--space-xl) var(--space-md);flex-direction:column;display:flex}.auth-brand{align-items:center;gap:var(--space-sm);min-height:44px;color:var(--text-primary);font-size:var(--text-2xl);font-weight:700;text-decoration:none;display:inline-flex}.auth-brand svg{color:var(--text-accent)}.auth-brand__name{letter-spacing:-.02em}.auth-card{gap:var(--space-lg);width:100%;max-width:28rem;padding:var(--space-xl) var(--space-lg);border:1px solid var(--border);background:var(--bg-secondary);border-radius:var(--radius-2xl);flex-direction:column;display:flex}.auth-card__header{gap:var(--space-xs);text-align:center;flex-direction:column;display:flex}.auth-card__title{font-size:var(--text-2xl);letter-spacing:-.02em;margin:0;font-weight:700;line-height:1.2}.auth-card__subtitle{color:var(--text-secondary);font-size:var(--text-sm);margin:0}.auth-form{gap:var(--space-md);flex-direction:column;display:flex}.auth-modes{gap:var(--space-xs);padding:var(--space-xs);background:var(--bg-tertiary);border-radius:var(--radius-lg);border:none;grid-template-columns:repeat(auto-fit,minmax(min(7rem,100%),1fr));margin:0;display:grid}.auth-modes__option{min-height:44px;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-md);color:var(--text-secondary);font-size:var(--text-sm);font-weight:var(--weight-medium);cursor:pointer;background:0 0;border:none}.auth-modes__option[aria-pressed=true]{background:var(--bg-secondary);color:var(--text-primary);box-shadow:0 1px 2px #0003}.auth-password{position:relative}.auth-password input{width:100%;padding-right:48px}.auth-password__toggle{width:44px;height:44px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;display:inline-flex;position:absolute;top:50%;right:2px;transform:translateY(-50%)}.auth-oauth-slot{height:calc(48px + var(--space-lg) + 1rem);flex:none}.auth-divider{align-items:center;gap:var(--space-md);color:var(--text-secondary);font-size:var(--text-xs);text-transform:uppercase;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--border);flex:1;height:1px}.auth-link{min-height:44px;padding:0 var(--space-sm);color:var(--text-accent);font-size:var(--text-sm);cursor:pointer;background:0 0;border:none;align-self:center}.auth-course{text-align:center;margin:0;font-weight:600}.auth-note{color:var(--text-secondary);font-size:var(--text-sm);margin:0;line-height:1.5}.auth-guest{gap:var(--space-sm);text-align:center;flex-direction:column;display:flex}.auth-confirm{align-items:center;gap:var(--space-sm);text-align:center;flex-direction:column;display:flex}.auth-confirm__title{font-size:var(--text-lg);margin:0;font-weight:600}.auth-footer{justify-content:center;gap:var(--space-xs) var(--space-md);font-size:var(--text-sm);flex-wrap:wrap;display:flex}.auth-footer a{min-height:44px;color:var(--text-secondary);align-items:center;display:inline-flex}.btn--google{color:#1f1f1f;border-radius:var(--radius-lg);cursor:pointer;width:100%;min-height:48px;transition:background-color var(--transition-fast), box-shadow var(--transition-fast);background-color:#fff;border:1px solid #dadce0;justify-content:center;align-items:center;gap:12px;padding:10px 16px;font-size:.9375rem;font-weight:500;display:flex;box-shadow:0 1px 2px #00000014}@media (hover:hover){.btn--google:hover{background-color:#f1f3f4;box-shadow:0 2px 6px #0000001f}}.btn--google:focus-visible{outline-offset:2px;outline:2px solid #4285f4}.btn--google:disabled{opacity:.6;cursor:not-allowed}.question-card{gap:var(--space-md);background:var(--bg-secondary);border-radius:var(--radius-2xl);padding:var(--space-md);border:1px solid var(--border);margin-bottom:var(--space-lg);flex-direction:column;display:flex}@media (width>=768px){.question-card{padding:var(--space-xl)}}@media (width>=1024px){.question-card{padding:var(--space-2xl)}}.session-header{gap:var(--space-sm);flex-direction:column;display:flex}.session-header__top{align-items:center;gap:var(--space-sm);flex-wrap:wrap;display:flex}.session-header__count{font-size:var(--text-sm);font-weight:var(--weight-semibold);color:var(--text-secondary)}.session-header__exit{margin-inline-start:auto}.question-card__meta{align-items:center;gap:var(--space-sm);flex-wrap:wrap;display:flex}.question-card__context{font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-secondary);margin:0}.question-card__text{max-width:75ch;font-size:var(--text-lg);line-height:var(--leading-relaxed);margin:0}.prompt-table{border:1px solid var(--border);border-radius:var(--radius-lg);max-width:100%;margin:0;overflow-x:auto}.prompt-table__table{border-collapse:collapse;min-width:100%;font-size:var(--text-sm);font-variant-numeric:tabular-nums}.prompt-table__table caption{padding:var(--space-sm);text-align:start;font-weight:var(--weight-semibold);color:var(--text-secondary)}.prompt-table__table th,.prompt-table__table td{padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--border);text-align:start;vertical-align:top}.prompt-table__table th{background:var(--bg-tertiary);font-weight:var(--weight-semibold);white-space:nowrap}.prompt-table__table tbody tr:last-child td{border-bottom:0}.choice__letter{border-radius:var(--radius-full);border:1px solid var(--border-hover);width:2rem;height:2rem;font-size:var(--text-sm);font-weight:var(--weight-semibold);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.choice__text{overflow-wrap:anywhere;min-width:0}.choice:has(input:checked) .choice__letter{background:var(--bg-accent);border-color:var(--bg-accent);color:var(--text-inverse)}:is(.choice:has(input:focus-visible),.choice-chip:has(input:focus-visible)){outline:3px solid var(--text-accent);outline-offset:3px}.matching-grid{gap:var(--space-md);flex-direction:column;max-width:40rem;display:flex}.matching-grid__row{align-items:center;gap:var(--space-md);grid-template-columns:minmax(0,1fr) minmax(0,1fr);display:grid}.matching-grid__item{overflow-wrap:anywhere;font-weight:var(--weight-medium)}.ordering-list{gap:var(--space-sm);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.ordering-row{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border:1px solid 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50%)}.landing-main{gap:0;padding:0}.landing-section{padding-block:var(--space-3xl)}.landing-header__logo{color:#0000;background:url(/logo.svg) 0/contain no-repeat;width:9.375rem;height:1.875rem;font-size:0;display:block;overflow:hidden}[data-theme=light] .landing-header__logo{background-image:url(/logo-light.svg)}.landing-header__signin{background:var(--bg-tertiary);color:var(--text-primary)}.landing-hero{gap:var(--space-md);max-width:none;padding-block:var(--space-2xl) var(--space-3xl);background:var(--bg-board);color:var(--text-on-board);grid-template-columns:minmax(0,1fr);display:grid}.landing-hero__title{letter-spacing:-.028em;max-width:18ch;font-weight:750;line-height:1.12}.landing-hero__lead{color:var(--text-on-board-muted)}.landing-hero__start,.asep-start{display:contents}.asep-start__actions{gap:var(--space-sm);margin-top:var(--space-sm);flex-wrap:wrap;display:flex}.landing-hero .btn--primary{background:var(--bg-board-action);color:var(--text-board-action)}.landing-hero .btn--secondary{color:var(--text-on-board);border:1px solid color-mix(in oklab, var(--text-on-board) 55%, transparent);background:0 0}@media (hover:hover){.landing-hero .btn--primary:hover{background:color-mix(in oklab, var(--bg-board-action) 85%, var(--text-board-action))}.landing-hero .btn--secondary:hover{border-color:var(--text-on-board);background:0 0}}.asep-start__note{font-size:var(--text-sm);color:var(--text-on-board-muted);margin:0}.landing-continue p{color:var(--text-on-board-muted)}.asep-exam{margin:var(--space-md) 0 0;padding:var(--space-lg);border:1px solid 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var(--border);background:var(--bg-secondary);padding-block:0}.landing-stats__list{gap:0}.landing-stat{padding:var(--space-lg) var(--space-md);border-top:1px solid var(--border)}.landing-stat:nth-child(-n+2){border-top:0}.landing-stat:nth-child(odd){border-right:1px solid var(--border);padding-left:0}@media (width>=48rem){.landing-stat{padding-left:var(--space-lg);border-top:0;border-right:1px solid var(--border)}.landing-stat:first-child{padding-left:0}.landing-stat:last-child{border-right:0}}.landing-stat__value{color:var(--text-primary);font-weight:750}.landing-group__title{font-weight:650}#pro{border-block:1px solid var(--border);background:var(--bg-secondary);margin-inline:calc(50% - 50vw);padding-inline:calc(50vw - 50%)}.plan-card{background:var(--bg-primary);border-color:var(--border-hover)}.plan-card--pro{border-color:var(--bg-accent);background:var(--bg-primary);box-shadow:none}.plan-card>.btn{align-self:flex-start;margin-top:auto}#faq 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--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}@property --tw-duration{syntax:"*";inherits:false}@keyframes spin{to{transform:rotate(360deg)}}