*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--orange: #f8981d;--orange-dark: #d97f0a;--orange-soft: #fff3e0;--green: #82d916;--green-dark: #6bb812;--green-soft: #f0fbe0;--red: #ff4b4b;--red-dark: #d63a3a;--red-soft: #ffefef;--blue: #1cb0f6;--ink: #1a1a1a;--muted: #5c5c5c;--line: #e8e8e8;--bg: #fafafa;--gray: #d7d7d7;--radius: 18px;--text-soft: #5c5c5c}html{font-size:16px;-webkit-font-smoothing:antialiased}body{min-height:100dvh;font-family:Nunito,system-ui,sans-serif;color:var(--ink);background:var(--bg);overflow-x:hidden}button{font-family:inherit;cursor:pointer;border:none;background:none}a{text-decoration:none;color:inherit}input{font-family:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:16px;font-size:1rem;font-weight:800;letter-spacing:.03em;text-transform:uppercase;transition:transform .08s,box-shadow .08s,filter 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img{height:36px;width:auto;display:block}.header__stats{display:flex;align-items:center;gap:14px}.stat-chip{display:inline-flex;align-items:center;gap:5px;font-weight:900;font-size:1rem}.stat-chip--streak{color:var(--orange)}.stat-chip--xp{color:var(--blue)}.header__profile{width:38px;height:38px;border-radius:50%;background:var(--orange-soft);display:flex;align-items:center;justify-content:center;font-size:1.2rem;border:2px solid var(--orange)}.page{max-width:720px;margin:0 auto;padding:20px 16px 80px}.course-title{font-size:1.4rem;font-weight:900;margin:8px 0 20px;text-align:center}.block{margin-bottom:36px}.block__banner{border-radius:var(--radius);padding:18px 22px;color:#fff;margin-bottom:26px;box-shadow:0 4px #00000026}.block__banner h2{font-size:1.15rem;font-weight:900}.block__banner p{margin-top:4px;font-size:.9rem;opacity:.92;font-weight:600}.block--locked .block__banner{background:var(--gray);color:#777;box-shadow:0 4px #bdbdbd}.block__soon{display:inline-block;margin-top:8px;padding:3px 12px;background:#ffffffb3;border-radius:999px;font-size:.78rem;font-weight:800;text-transform:uppercase;color:#888}.path{display:flex;flex-direction:column;align-items:center;gap:22px}.path__node{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px}.lesson-btn{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.7rem;transition:transform .08s;position:relative}.lesson-btn--done{background:var(--orange);box-shadow:0 6px 0 var(--orange-dark)}.lesson-btn--active{background:var(--green);box-shadow:0 6px 0 var(--green-dark);animation:bounce-soft 2s ease-in-out infinite}.lesson-btn--locked{background:#e5e5e5;box-shadow:0 6px 0 var(--gray);cursor:not-allowed;filter:grayscale(1)}.lesson-btn:not(.lesson-btn--locked):active{transform:translateY(6px);box-shadow:0 0 0 transparent}@keyframes bounce-soft{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.path__label{font-size:.85rem;font-weight:800;color:var(--muted);text-align:center;max-width:160px}.path__start-tag{position:absolute;top:-34px;left:50%;transform:translate(-50%);background:#fff;color:var(--green-dark);border:2px solid var(--green);font-size:.72rem;font-weight:900;letter-spacing:.06em;padding:4px 12px;border-radius:10px;animation:bob 1.4s ease-in-out infinite;white-space:nowrap}@keyframes bob{0%,to{transform:translate(-50%)}50%{transform:translate(-50%,-5px)}}.path__stars{font-size:.72rem;letter-spacing:1px}.path__node:nth-child(4n+2){transform:translate(-56px)}.path__node:nth-child(4n+4){transform:translate(56px)}.lesson-top{display:flex;align-items:center;gap:14px;max-width:720px;margin:0 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auto;padding:16px;display:flex;flex-direction:column;gap:12px}.feedback{display:flex;gap:14px;align-items:flex-start}.feedback__title{font-size:1.15rem;font-weight:900}.feedback--correct .feedback__title{color:var(--green-dark)}.feedback--wrong .feedback__title{color:var(--red-dark)}.feedback__answer{font-weight:800;margin-top:4px;color:var(--red-dark)}.feedback__explanation{margin-top:6px;font-size:.95rem;font-weight:600;color:var(--ink);line-height:1.5}.result{max-width:480px;margin:0 auto;padding:40px 16px 60px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:20px}.result h1{font-size:1.6rem;font-weight:900}.result__cards{display:flex;gap:12px;width:100%;justify-content:center;flex-wrap:wrap}.result-card{flex:1;min-width:120px;max-width:150px;border-radius:var(--radius);border:2px solid;overflow:hidden}.result-card__head{padding:6px;font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#fff}.result-card__value{padding:14px 8px;font-size:1.5rem;font-weight:900;background:#fff}.result-card--xp{border-color:var(--orange)}.result-card--xp .result-card__head{background:var(--orange)}.result-card--xp .result-card__value{color:var(--orange)}.result-card--streak{border-color:var(--red)}.result-card--streak .result-card__head{background:var(--red)}.result-card--streak .result-card__value{color:var(--red)}.result-card--score{border-color:var(--green)}.result-card--score .result-card__head{background:var(--green)}.result-card--score .result-card__value{color:var(--green-dark)}.result__actions{display:flex;flex-direction:column;gap:10px;width:100%;margin-top:10px}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;overflow:hidden;z-index:50}.confetti span{position:absolute;top:-16px;width:10px;height:14px;border-radius:3px;animation:confetti-fall linear forwards}@keyframes confetti-fall{0%{transform:translateY(-20px) rotate(0);opacity:1}to{transform:translateY(105vh) rotate(720deg);opacity:.6}}.profile-card{background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px}.profile-head{display:flex;align-items:center;gap:16px}.profile-head__avatar{width:64px;height:64px;border-radius:50%;background:var(--orange-soft);border:2px solid var(--orange);display:flex;align-items:center;justify-content:center;font-size:2rem}.profile-head h1{font-size:1.3rem;font-weight:900}.profile-head p{color:var(--muted);font-weight:600;font-size:.9rem}.level-bar{margin-top:14px}.level-bar__row{display:flex;justify-content:space-between;font-size:.85rem;font-weight:800;color:var(--muted);margin-bottom:6px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}.stat-card{background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:14px 16px;display:flex;align-items:center;gap:12px}.stat-card__icon{font-size:1.6rem}.stat-card__value{font-size:1.25rem;font-weight:900}.stat-card__label{font-size:.78rem;font-weight:700;color:var(--muted)}.toggle-row{display:flex;align-items:center;justify-content:space-between;font-weight:800}.switch{position:relative;width:52px;height:30px;border-radius:999px;background:var(--gray);transition:background .2s}.switch--on{background:var(--green)}.switch:after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:left .2s}.switch--on:after{left:25px}.guest-banner{background:var(--orange-soft);border:2px solid var(--orange);border-radius:var(--radius);padding:16px;margin-bottom:16px;display:flex;gap:12px;align-items:center}.guest-banner p{font-weight:700;font-size:.92rem;flex:1}.auth-card{max-width:420px;margin:24px auto;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:24px}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:20px}.auth-tab{padding:10px;border-radius:12px;font-weight:900;color:var(--muted);background:var(--bg)}.auth-tab--active{background:var(--green-soft);color:var(--green-dark);border:2px solid var(--green)}.field{margin-bottom:14px}.field label{display:block;font-size:.82rem;font-weight:800;color:var(--muted);margin-bottom:6px}.field input{width:100%;padding:12px 14px;border:2px solid var(--line);border-radius:12px;font-size:1rem;font-weight:700;outline:none}.field input:focus{border-color:var(--blue)}.form-error{color:var(--red-dark);font-weight:700;font-size:.88rem;margin-bottom:12px}.loader{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:16px;color:var(--muted);font-weight:800}.spinner{width:44px;height:44px;border:5px solid var(--line);border-top-color:var(--green);border-radius:50%;animation:spin .8s linear 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8px;line-height:1.25}.feature-card__desc{font-size:.88rem;color:var(--muted);line-height:1.45;margin:0;flex:1}.feature-card__badge{margin-top:12px;font-size:.75rem;font-weight:800;color:var(--orange-dark);background:var(--orange-soft);padding:4px 10px;border-radius:8px}.welcome-page__parent{text-align:center;margin-top:28px;font-size:.9rem;color:var(--muted);font-weight:700}.welcome-page__parent a{color:var(--blue);font-weight:800}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#1a1a1a73;display:flex;align-items:center;justify-content:center;padding:16px}.modal-card{position:relative;background:#fff;border-radius:var(--radius);padding:24px 22px;width:100%;max-width:440px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px #00000026}.modal__close{position:absolute;top:12px;right:12px;width:36px;height:36px;border:none;background:var(--bg);border-radius:50%;font-size:1rem;cursor:pointer;font-family:inherit;color:var(--muted)}.modal__title{font-size:1.25rem;font-weight:900;margin:0 0 18px;padding-right:32px}.modal__form .field{margin-bottom:16px}.subject-pick{display:flex;flex-direction:column;gap:8px}.subject-pick__item{display:flex;align-items:center;gap:10px;padding:12px 14px;border:2px solid var(--line);border-radius:14px;background:#fff;font-family:inherit;font-weight:800;font-size:.95rem;cursor:pointer;text-align:left;color:var(--ink)}.subject-pick__item span:first-child{font-size:1.3rem}.subject-pick__item--active{border-color:var(--green);background:var(--green-soft)}.onboarding{max-width:480px}.onboarding__progress{display:flex;justify-content:center;gap:8px;margin:8px 0 20px}.onboarding__dot{width:34px;height:8px;border-radius:4px;background:var(--line)}.onboarding__dot--done{background:var(--green)}.onboarding__title{font-size:1.35rem;font-weight:900;text-align:center;margin-bottom:6px}.onboarding__sub{color:var(--muted);text-align:center;margin-bottom:18px;line-height:1.45}.onboarding__meet{text-align:center;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:28px 22px;display:flex;flex-direction:column;gap:12px;align-items:center}.onboarding__facts{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;font-weight:800;font-size:.9rem;color:var(--muted)}.onboarding__facts span{background:var(--bg);border-radius:12px;padding:6px 12px}.grade-row{display:flex;flex-wrap:wrap;gap:8px}.grade-pill{width:42px;height:42px;border-radius:12px;border:2px solid var(--line);background:#fff;font-weight:900;font-size:1rem;cursor:pointer}.grade-pill--active{border-color:var(--green);background:var(--green-soft);color:var(--green-dark)}.profiles__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:14px}.profile-card-grid{display:contents}.profile-card{display:flex;flex-direction:column;align-items:center;gap:6px;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:22px 12px;cursor:pointer;text-decoration:none;color:var(--ink);font-family:inherit;transition:transform .12s,border-color .12s}.profile-card:hover{transform:translateY(-3px);border-color:var(--green)}.profile-card__avatar{font-size:2.6rem}.profile-card__name{font-weight:900;font-size:1.05rem}.profile-card__meta{color:var(--muted);font-size:.85rem;font-weight:700}.profile-card--add{border-style:dashed;color:var(--muted)}.home__hero{display:flex;align-items:center;gap:18px;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:20px}.home__hero-text{flex:1;min-width:0}.home__hero h1{font-size:1.3rem;font-weight:900;margin-bottom:6px}.home__level{font-weight:800;font-size:.95rem;display:flex;justify-content:space-between;margin-bottom:4px}.home__level-xp{color:var(--muted);font-size:.85rem}.xp-bar{height:12px;background:var(--line);border-radius:6px;overflow:hidden}.xp-bar__fill{height:100%;background:linear-gradient(90deg,var(--green),#a3e635);border-radius:6px;transition:width .4s}.xp-bar--big{height:18px;border-radius:9px}.home__streak{margin-top:8px;font-weight:800;color:var(--orange)}.home__today h2,.home__badges h2,.home__nav h2{font-size:1.05rem;font-weight:900;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:18px 0 10px}.today-card{display:flex;align-items:center;gap:14px;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin-bottom:10px;text-decoration:none;color:var(--ink)}.today-card--diag{border-color:var(--blue);background:#ecf8fe}.today-card--review{border-color:var(--orange);background:var(--orange-soft)}.today-card--done{border-color:var(--green);background:var(--green-soft)}.today-card__icon{font-size:1.7rem}.today-card div{flex:1}.today-card p{color:var(--muted);font-size:.88rem}.today-card__go{background:var(--green);color:#fff;font-weight:900;border-radius:12px;padding:8px 16px;box-shadow:0 3px 0 var(--green-dark)}.home__subjects h2{font-size:1.05rem;font-weight:900;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:18px 0 10px}.subject-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:10px}.subject-card{display:flex;flex-direction:column;align-items:center;gap:4px;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:14px 8px;text-decoration:none;color:var(--ink);font-weight:800;font-size:.82rem;text-align:center;transition:border-color .12s,transform .12s}.subject-card:hover{border-color:var(--green);transform:translateY(-2px)}.subject-card__emoji{font-size:1.8rem}.subject-card__pct{color:var(--green-dark);font-size:.9rem}.subject-card__badge{font-size:.7rem;color:var(--blue);font-weight:800}.map-overall{color:var(--muted);font-weight:800}.home__nav{display:grid;grid-template-columns:1fr;gap:12px;margin-top:18px}.home-nav-card{display:flex;flex-direction:column;align-items:center;gap:6px;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:18px 12px;text-decoration:none;color:var(--ink);font-weight:800}.home-nav-card span:first-child{font-size:1.9rem}.home-nav-card__dots{display:flex;gap:4px;margin-top:4px}.home-nav-card__dots i{width:10px;height:10px;border-radius:50%}.badges-row{display:flex;flex-wrap:wrap;gap:10px}.badge{display:flex;flex-direction:column;align-items:center;gap:4px;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:12px 14px;min-width:86px}.badge__icon{font-size:1.6rem}.badge__label{font-size:.75rem;font-weight:800;color:var(--muted);text-align:center}.diag-note{text-align:center;color:var(--muted);font-weight:700;font-size:.9rem;margin-bottom:14px}.diag-result__list,.map-list{display:flex;flex-direction:column;gap:10px;width:100%;max-width:560px;margin:12px auto}.map-topic{display:flex;align-items:center;gap:12px;background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:12px 14px;text-align:left}.map-topic--strong{border-left:6px solid var(--green)}.map-topic--warning{border-left:6px solid var(--orange)}.map-topic--critical{border-left:6px solid var(--red)}.map-topic--unknown{border-left:6px solid var(--gray)}.map-topic__icon{font-size:1.2rem}.map-topic__main{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}.map-topic__title{font-weight:800;font-size:.95rem}.map-topic__hint{color:var(--muted);font-size:.82rem;font-weight:700}.map-topic__bar{display:block;height:8px;background:var(--line);border-radius:4px;overflow:hidden;width:100%}.map-topic__bar i{display:block;height:100%;border-radius:4px;background:var(--green)}.map-topic--warning .map-topic__bar i{background:var(--orange)}.map-topic--critical .map-topic__bar i{background:var(--red)}.map-topic__pct{font-weight:900;min-width:44px;text-align:right}.btn--small{padding:8px 14px;font-size:.85rem;border-radius:12px}.training-theory{max-width:560px}.theory-card{background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:22px;margin:14px 0;position:relative}.theory-card__kvizik{text-align:center;margin-bottom:8px}.theory-card h2{font-size:1.15rem;font-weight:900;margin-bottom:10px;text-align:center}.theory-card p{line-height:1.6;color:var(--ink);white-space:pre-line}.theory-nav{display:flex;gap:10px;margin-top:8px}.hint-btn{margin-top:14px;background:var(--orange-soft);border:2px dashed var(--orange);color:var(--orange-dark);font-weight:800;font-family:inherit;border-radius:14px;padding:10px 16px;cursor:pointer}.hint-box{margin-top:14px;background:var(--orange-soft);border:2px solid var(--orange);border-radius:14px;padding:12px 16px;font-weight:700;color:var(--ink);line-height:1.5}.parent{max-width:640px}.parent__tabs{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.parent-tab{border:2px solid var(--line);background:#fff;border-radius:14px;padding:8px 16px;font-weight:800;font-family:inherit;cursor:pointer}.parent-tab--active{border-color:var(--green);background:var(--green-soft)}.parent-card{background:#fff;border:2px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:14px}.parent-card h2{font-size:1rem;font-weight:900;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:12px}.parent-card__head{display:flex;align-items:center;gap:14px;margin-bottom:14px}.parent-card__head b{font-size:1.15rem}.parent-card__head p{color:var(--muted);font-size:.88rem}.parent-card__avatar{font-size:2.2rem}.parent-card__stats{margin-left:auto;display:flex;flex-direction:column;gap:4px;font-weight:800;font-size:.88rem;text-align:right}.parent-overall__label{margin-bottom:8px;font-size:.95rem}.parent-counts{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:14px;font-size:.9rem;color:var(--muted);font-weight:700}.parent-activity{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:12px}.activity-item{text-align:center;background:var(--bg);border-radius:14px;padding:12px}.activity-item b{display:block;font-size:1.25rem}.activity-item span{color:var(--muted);font-size:.8rem;font-weight:700}.parent-card--reco{background:var(--orange-soft);border-color:var(--orange)}.parent-reco{list-style:none;display:flex;flex-direction:column;gap:8px}.parent-reco li{line-height:1.5;font-weight:700}@media(max-width:480px){.path__node:nth-child(4n+2){transform:translate(-44px)}.path__node:nth-child(4n+4){transform:translate(44px)}.header__stats{gap:10px}.home__hero{flex-direction:column;text-align:center}.home__level{flex-direction:column;gap:2px}.feature-grid{grid-template-columns:1fr}.welcome-header__name{font-size:1.25rem}.grade-row{gap:6px}.grade-pill{width:36px;height:36px;font-size:.9rem}}