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.btn--danger{border-bottom-color:#a33}.btn:disabled{opacity:.5}.link{border-radius:var(--radius-sm)}.link:hover{text-decoration:underline}.icon-btn{border-radius:var(--radius-md)}.icon-btn:hover:not(:disabled){background:var(--color-primary-soft)}.input{border-radius:var(--radius-md);border-color:var(--color-control-border);font-weight:600;transition:border-color .15s,box-shadow .15s}.input:focus{border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-soft);outline:none}.form label{font-weight:800}.bar{height:16px;background:var(--color-border);box-shadow:inset 0 2px #0000000d}.bar__fill{background:linear-gradient(180deg,color-mix(in srgb,var(--color-primary) 80%,#fff),var(--color-primary));transition:width .5s 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.15s}.appnav__item:hover{background:var(--color-primary-soft)}.appnav__item.is-active{color:var(--color-primary);background:var(--color-primary-soft);border-color:var(--color-primary)}@media(min-width:900px){.appnav{top:0;right:auto;width:104px;flex-direction:column;justify-content:flex-start;align-items:center;padding:var(--space-4) var(--space-2);border-top:0;border-right:2px solid var(--color-border);background:var(--color-surface);-webkit-backdrop-filter:none;backdrop-filter:none}.appnav__item{flex:none;width:84px;max-width:none}.has-nav{padding-left:104px}.has-nav .page{padding-bottom:var(--space-5)}}.hero{display:flex;align-items:center;gap:var(--space-3)}.hero h1,.hero p{margin:0}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-2)}.stat{display:grid;gap:2px;justify-items:center;text-align:center;padding:var(--space-3) var(--space-2);border-radius:var(--radius-lg);border:2px solid var(--color-border);border-bottom-width:4px;background:var(--color-surface)}.stat strong{font-size:1.35rem;line-height:1.1}.stat span{font-size:.8rem;font-weight:700;color:var(--color-muted)}.stat--streak{background:var(--color-orange-soft);border-color:color-mix(in srgb,var(--color-orange) 40%,var(--color-border))}.stat--streak strong{color:var(--color-orange)}.stat--xp{background:var(--color-blue-soft);border-color:color-mix(in srgb,var(--color-blue) 35%,var(--color-border))}.stat--xp strong{color:var(--color-blue)}.stat--level{background:var(--color-purple-soft);border-color:color-mix(in srgb,var(--color-purple) 35%,var(--color-border))}.stat--level strong{color:var(--color-purple)}.goal-card{display:flex;align-items:center;gap:var(--space-4)}.goal-card .input--sm{width:auto;align-self:flex-start}.ring{position:relative;width:88px;height:88px;flex:none}.ring__track{fill:none;stroke:var(--color-border);stroke-width:9}.ring__fill{fill:none;stroke:var(--color-primary);stroke-width:9;stroke-linecap:round;transition:stroke-dasharray .6s cubic-bezier(.2,.8,.2,1)}.ring__label{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-weight:900;font-size:1.05rem;color:var(--color-text)}.practice{display:grid;gap:var(--space-2)}@media(min-width:520px){.practice{grid-template-columns:1fr 1fr}}.subj-grid{gap:var(--space-3);grid-template-columns:repeat(auto-fill,minmax(148px,1fr))}.subj-card{border-radius:var(--radius-lg);padding:var(--space-2) var(--space-2) var(--space-3);transition:transform .15s,box-shadow .15s,border-color .15s}button.subj-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-pop)}button.subj-card:active{transform:translateY(0)}.subj-card strong{padding:0 var(--space-2);font-size:1.05rem}.subj-card .muted,.subj-card .bar{margin:0 var(--space-2)}.subj-card .bar{display:block;flex:none;height:10px}.subj-card--soon{background:transparent;box-shadow:none;border-style:dashed;opacity:1}.cover{border-radius:var(--radius-md)}.cover--tile{font-size:2.8rem}.subject-head{padding:var(--space-3);border-radius:var(--radius-lg);background:var(--color-surface);border:2px solid var(--color-border);box-shadow:var(--shadow-card)}.num{color:var(--color-primary)}.lesson-row__main{border-radius:var(--radius-md);border-bottom-width:4px;font-weight:800;transition:transform .08s,background .15s;background:var(--color-surface)}.lesson-row__main:hover:not(:disabled){background:var(--color-primary-soft)}.lesson-row__main:active:not(:disabled){transform:translateY(2px);border-bottom-width:2px}.lesson-row--current .lesson-row__main{border-color:var(--color-primary)}.lesson-row--completed .lesson-row__main,.lesson-row--mastered .lesson-row__main{background:var(--color-primary-soft);border-color:color-mix(in srgb,var(--color-primary) 45%,var(--color-border))}.lesson-row__num{display:grid;place-items:center;min-width:2.7rem;height:2.2rem;border-radius:999px;background:var(--color-primary-soft)}.lesson-row--locked .lesson-row__num{background:var(--color-border);color:var(--color-muted)}.due-item{border-radius:var(--radius-md);background:var(--color-wrong-soft)}.due-item--done{background:var(--color-primary-soft)}.profile-card{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--color-primary-soft),var(--color-blue-soft));border:2px solid var(--color-border)}.profile-card h1,.profile-card p{margin:0}.menu{display:grid;gap:var(--space-2)}.menu__item{display:flex;align-items:center;gap:var(--space-3);min-height:60px;padding:0 var(--space-3);border-radius:var(--radius-md);border:2px solid var(--color-border);border-bottom-width:4px;background:var(--color-surface);color:var(--color-text);font-weight:800;text-decoration:none;transition:background .15s,transform .08s}.menu__item:hover{background:var(--color-primary-soft)}.menu__item:active{transform:translateY(2px);border-bottom-width:2px}.menu__icon{font-size:1.4rem}.menu__chev{font-size:1.6rem;color:var(--color-muted)}.session{max-width:640px}.session__top{padding:var(--space-3);gap:var(--space-3)}.session__top .bar{height:18px}.session__body{padding:var(--space-3) var(--space-3) var(--space-4)}.prompt{font-size:1.35rem;font-weight:800;line-height:1.35}.choice{min-height:60px;border-radius:var(--radius-md);border:2px solid var(--color-border);border-bottom-width:4px;font-weight:700;transition:background .12s,border-color .12s,transform .08s}.choice:hover{background:var(--color-blue-soft)}.choice:active{transform:translateY(2px);border-bottom-width:2px}.choice--on{background:var(--color-blue-soft);border-color:var(--color-blue)}.choice input{width:24px;height:24px;accent-color:var(--color-blue)}.session__foot{padding:var(--space-3) var(--space-3) calc(var(--space-3) + env(safe-area-inset-bottom));border-top-width:0;box-shadow:0 -2px 0 var(--color-border)}.session__foot.is-correct{background:color-mix(in srgb,var(--color-correct) 16%,var(--color-surface));box-shadow:0 -3px 0 var(--color-correct)}.session__foot.is-wrong{background:color-mix(in srgb,var(--color-wrong) 14%,var(--color-surface));box-shadow:0 -3px 0 var(--color-wrong)}.feedback strong{font-size:1.15rem}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:var(--space-2);width:100%}.stats div{text-align:center;border-radius:var(--radius-lg);border-bottom-width:4px;padding:var(--space-3)}.results{align-items:center;text-align:center}.badge{padding:var(--space-3)}.badge__icon{width:56px;height:56px;display:grid;place-items:center;border-radius:50%;background:var(--color-accent);font-size:1.6rem}.badge--locked .badge__icon{background:var(--color-border);filter:grayscale(1)}.table-wrap{border-radius:var(--radius-lg);border-width:2px}.table thead th{background:var(--color-primary-soft);color:var(--color-text);font-weight:900}.table tbody th{font-weight:800;text-align:start}.table td,.table th{padding:var(--space-3)}.table tbody tr:hover{background:color-mix(in srgb,var(--color-primary-soft) 55%,transparent)}.overlay__card{border-radius:var(--radius-lg);box-shadow:var(--shadow-pop)}.due-item .link{color:var(--color-text);text-decoration:underline}.adult-header{display:grid;gap:var(--space-1)}.adult-header__bar{display:flex;align-items:center;gap:var(--space-2);margin-bottom:var(--space-3)}.brand{display:inline-flex;align-items:center;gap:var(--space-2);margin-right:auto;font-weight:900;font-size:1.2rem;color:var(--color-text);text-decoration:none}.adult-header h1,.adult-header p{margin:0}.avatar{flex:none;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:1.1rem;background:hsl(var(--h) 65% 86%);color:hsl(var(--h) 55% 22%)}:root[data-theme=dark] .avatar{background:hsl(var(--h) 35% 26%);color:hsl(var(--h) 80% 88%)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .avatar{background:hsl(var(--h) 35% 26%);color:hsl(var(--h) 80% 88%)}}.pill{display:inline-flex;align-items:center;gap:4px;padding:2px var(--space-2);border-radius:999px;font-size:.85rem;font-weight:800}.pill--orange{background:var(--color-orange-soft);color:var(--color-orange)}.pill--blue{background:var(--color-blue-soft);color:var(--color-blue)}.pill--green{background:var(--color-primary-soft);color:var(--color-primary)}.pill--purple{background:var(--color-purple-soft);color:var(--color-purple)}.class-card{border-bottom-width:4px;transition:transform .12s,box-shadow .12s}.class-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-pop)}.person-card{flex-direction:row;align-items:center;gap:var(--space-3);padding:var(--space-3)}.person-card__body{display:grid;gap:2px;flex:1;min-width:0}.person-card__stats{display:flex;flex-wrap:wrap;gap:var(--space-2);margin:2px 0}.class-card-plain{flex:1;display:grid;gap:2px;min-height:52px;text-align:start;background:none;border:0;padding:0;font:inherit;color:inherit;cursor:pointer}.class-card-plain strong{font-size:1.1rem}.class-card-plain:hover strong{color:var(--color-primary)}.auth{max-width:460px;gap:var(--space-3);padding-top:var(--space-5)}.auth__card,.auth .btn--block{width:100%}.brand--center{margin:0}.link--center{align-self:center}.note{margin:0;padding:var(--space-3);border-radius:var(--radius-md);background:var(--color-blue-soft);color:var(--color-text);font-weight:700;text-align:start;width:100%}.check{flex-direction:row!important;align-items:flex-start;gap:var(--space-3)!important;font-weight:700!important}.check input{width:24px;height:24px;flex:none;accent-color:var(--color-primary);margin-top:2px}.home__main,.home__side{display:contents}.hero{order:0}.home .banner,.home>p.muted{order:0}.stat-row{order:1}.goal-card{order:2}.tomorrow{order:3}.tasks{order:4}.practice{order:5}.weak-card{order:6}.subjects{order:7}@media(min-width:1000px){.home{max-width:1060px;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);align-items:start;column-gap:var(--space-4);row-gap:var(--space-4)}.home>.hero,.home>.banner{grid-column:1 / -1}.home__main{display:grid;gap:var(--space-4);grid-column:1;grid-row:2}.home__side{display:grid;gap:var(--space-4);grid-column:2;grid-row:2;position:sticky;top:var(--space-4)}.home__main>*,.home__side>*{order:0}}.land{color:var(--color-text);background:var(--color-bg)}.land a:not(.btn){color:var(--color-primary)}.land-wrap{width:100%;max-width:1080px;margin:0 auto;padding:0 var(--space-3)}.land-wrap--narrow{max-width:760px}.land h1,.land h2,.land h3{line-height:1.15;margin:0}.land h1{font-size:clamp(2rem,5.5vw,3.4rem);letter-spacing:-.02em}.land h2{font-size:clamp(1.5rem,3.5vw,2.2rem);margin-bottom:var(--space-4);text-align:center}.land h3{font-size:1.15rem}.land p{margin:0}.land-lead{font-size:1.15rem;color:var(--color-muted);line-height:1.5}.btn--lg{min-height:56px;padding:0 var(--space-4);font-size:1.05rem;text-decoration:none}.land .btn{text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.land-header{position:sticky;top:0;z-index:20;background:var(--color-bg);border-bottom:2px solid var(--color-border)}.land-header__in{display:flex;align-items:center;gap:var(--space-3);min-height:64px}.land-logo{display:inline-flex;align-items:center;gap:var(--space-2);font-weight:900;font-size:1.25rem;text-decoration:none;color:var(--color-text)!important}.land-nav{display:none;gap:var(--space-4);margin-left:var(--space-4)}.land-nav a{font-weight:700;text-decoration:none;min-height:44px;display:inline-flex;align-items:center}.land-header__actions{margin-left:auto;display:flex;align-items:center;gap:var(--space-2)}.land-lang{min-width:44px;min-height:44px;border:2px solid var(--color-control-border);border-radius:var(--radius-md);background:transparent;color:var(--color-text);font:inherit;font-weight:800;cursor:pointer}.land-burger{min-width:44px;min-height:44px;border:0;background:transparent;color:var(--color-text);font-size:1.5rem;cursor:pointer}.land-hide-sm{display:none!important}.land-drawer{display:flex;flex-direction:column;padding-bottom:var(--space-3)}.land-drawer a{min-height:48px;display:flex;align-items:center;font-weight:700;text-decoration:none;border-top:1px solid var(--color-border)}@media(min-width:860px){.land-nav{display:flex}.land-burger,.land-drawer{display:none}.land-hide-sm{display:inline-flex!important}}.land-hero{padding:var(--space-5) 0;background:linear-gradient(180deg,var(--color-bg),var(--color-surface))}.land-hero__in{display:grid;gap:var(--space-5);align-items:center}.land-hero__text{display:grid;gap:var(--space-3)}.land-badge{display:inline-block;justify-self:start;padding:var(--space-1) var(--space-3);border-radius:999px;border:2px solid var(--color-border);background:var(--color-surface);font-weight:800;font-size:.9rem}.land-cta{display:flex;flex-wrap:wrap;gap:var(--space-3)}.land-note{color:var(--color-muted);font-size:.95rem}@media(min-width:860px){.land-hero__in{grid-template-columns:1.2fr .8fr}.land-hero{padding:72px 0}}.land-phone{justify-self:center;width:270px;padding:12px;border-radius:38px;background:#1b2530;box-shadow:0 18px 40px #0000002e}.land-phone__screen{border-radius:28px;background:#fffaf0;color:#1f2933;padding:var(--space-3);display:grid;gap:var(--space-3);min-height:440px;align-content:start}.land-mock-top{display:flex;align-items:center;gap:var(--space-2);font-size:.9rem}.land-mock-chip{margin-left:auto;font-size:.75rem;font-weight:800;border:2px solid #e4dccb;border-radius:999px;padding:2px 8px;background:#fff;white-space:nowrap}.land-mock-card{display:grid;gap:var(--space-2);background:#fff;border:2px solid #e4dccb;border-radius:16px;padding:var(--space-3);font-size:.85rem}.land-mock-label{justify-self:start;font-size:.7rem;font-weight:800;color:#52606d;border:2px solid #e4dccb;border-radius:999px;padding:0 8px}.land-mock-due{display:flex;justify-content:space-between;align-items:center;border:2px solid #b42323;border-radius:12px;padding:6px 10px;font-weight:800;color:#b42323}.land-mock-btn{background:#1f7a45;color:#fff;border-radius:999px;padding:2px 10px;font-size:.7rem}.land-mock-path{display:flex;justify-content:center;gap:var(--space-3)}.land-mock-node{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:#e4dccb;font-weight:900}.land-mock-node--done{background:#1f7a45;color:#fff}.land-mock-node--cur{background:#f5a623;color:#3b2a00}.land-mock-lesson{text-align:center;font-weight:800;font-size:.85rem}.land-facts{background:var(--color-primary);color:var(--color-primary-contrast)}.land-facts__in{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-3);padding-top:var(--space-4);padding-bottom:var(--space-4);text-align:center}.land-facts li{display:grid;gap:2px}.land-facts strong{font-size:2rem}@media(min-width:700px){.land-facts__in{grid-template-columns:repeat(4,1fr)}}.land-section{padding:var(--space-5) 0}.land-section--tint{background:var(--color-surface);border-block:2px solid var(--color-border)}.land-grid{display:grid;gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.land-grid--3{grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}.land-card{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-4);background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.land-card p{color:var(--color-muted);line-height:1.5}.land-icon{font-size:2rem;line-height:1}.land-card--role .btn{margin-top:auto}.land-bullets{margin:0 0 var(--space-3);padding-left:1.2em;display:grid;gap:var(--space-2);color:var(--color-muted);line-height:1.4}.land-steps{display:grid;gap:var(--space-4);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));counter-reset:s}.land-step{display:flex;flex-direction:column;gap:var(--space-2)}.land-step p{color:var(--color-muted);line-height:1.5}.land-step__n{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--color-accent);color:#3b2a00;font-weight:900;font-size:1.2rem}.land-safe{display:grid;gap:var(--space-4);align-items:center}.land-safe h2{text-align:left}.land-links{margin-top:var(--space-3)!important;font-weight:700}.land-checks{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-3)}.land-checks li{position:relative;padding-left:2rem;line-height:1.45}.land-checks li:before{content:"✓";position:absolute;left:0;top:0;width:1.4rem;height:1.4rem;border-radius:50%;background:var(--color-primary);color:var(--color-primary-contrast);display:grid;place-items:center;font-size:.85rem;font-weight:900}@media(min-width:860px){.land-safe{grid-template-columns:1fr 1fr}}.land-faq{display:grid;gap:var(--space-2)}.land-faq details{background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-md)}.land-faq summary{cursor:pointer;padding:var(--space-3);font-weight:800;min-height:48px;display:flex;align-items:center}.land-faq details[open] summary{border-bottom:2px solid var(--color-border)}.land-faq p{padding:var(--space-3);color:var(--color-muted);line-height:1.55}.land-final{background:var(--color-primary);color:var(--color-primary-contrast);padding:var(--space-5) 0}.land-final__in{display:grid;justify-items:center;gap:var(--space-3);text-align:center}.land-final h2{margin:0}.land-footer{padding:var(--space-4) 0;border-top:2px solid var(--color-border);color:var(--color-muted);font-size:.95rem}.land-footer__in{display:flex;flex-wrap:wrap;gap:var(--space-3);justify-content:space-between;align-items:center}.land-footer nav{display:flex;flex-wrap:wrap;gap:var(--space-3)}.land-footer a{display:inline-flex;min-height:44px;align-items:center}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}.land section[id]{scroll-margin-top:72px}.land-hero{background:radial-gradient(900px 420px at 85% 0%,var(--color-primary-soft),transparent 70%),radial-gradient(700px 400px at 0% 100%,var(--color-blue-soft),transparent 70%),var(--color-bg)}.land h1{font-weight:900}.land-phone{transform:rotate(2deg)}.land-facts{background:linear-gradient(135deg,var(--color-primary),color-mix(in srgb,var(--color-primary) 70%,var(--color-blue)))}.land-card{border-radius:var(--radius-lg);transition:transform .15s,box-shadow .15s}.land-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-pop)}.land-icon{display:grid;place-items:center;width:56px;height:56px;border-radius:18px;background:var(--color-primary-soft);font-size:1.7rem}.land-grid>li:nth-child(3n+2) .land-icon{background:var(--color-blue-soft)}.land-grid>li:nth-child(3n) .land-icon{background:var(--color-orange-soft)}.land-badge{background:var(--color-primary-soft);border-color:transparent;color:var(--color-primary)}.land-final{background:linear-gradient(135deg,var(--color-primary),color-mix(in srgb,var(--color-primary) 65%,var(--color-purple)))}.land-faq details{border-radius:var(--radius-lg);border-bottom-width:4px}.land-header{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:color-mix(in srgb,var(--color-bg) 90%,transparent)}@media(prefers-reduced-motion:reduce){.land-phone{transform:none}}