:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--blue:#3b61ff;--lime:#b9ff45;--ink:#071021;--muted:#aab4ca}*{box-sizing:border-box}body{color:#fff;background:radial-gradient(circle at 85% 10%,#173171 0,#0000 28%),linear-gradient(145deg,#061021,#0a1530);min-height:100vh;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif}main{max-width:1180px;margin:auto;padding:24px}nav{justify-content:space-between;align-items:center;padding:10px 0 60px;display:flex}.logo{color:#fff;align-items:center;gap:12px;text-decoration:none;display:inline-flex}.logo img{object-fit:cover;border-radius:18px}.logo strong{letter-spacing:-.055em;font-size:2rem}.logo strong span{color:#18c5d1}.logo-compact img{border-radius:13px}.logo-compact strong{font-size:1.45rem}.nav-actions{align-items:center;gap:14px;display:flex}.instagram{color:#dfe5f3;font-size:.9rem;text-decoration:none}.badge{color:var(--muted);border:1px solid #ffffff24;border-radius:999px;padding:8px 12px;font-size:.8rem}.hero{grid-template-columns:1.35fr .75fr;align-items:center;gap:70px;min-height:480px;display:grid}.eyebrow,.card-label{color:var(--lime);letter-spacing:.16em;font-size:.75rem;font-weight:850}h1{letter-spacing:-.065em;max-width:760px;margin:12px 0 20px;font-size:clamp(3rem,7vw,6.6rem);line-height:.92}.lead{max-width:650px;color:var(--muted);font-size:1.2rem;line-height:1.65}.actions{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.actions a{border-radius:12px;padding:14px 20px;font-weight:800;text-decoration:none}.primary{background:var(--lime);color:var(--ink)}.secondary{color:#fff;border:1px solid #ffffff26}.card{background:linear-gradient(155deg,#172755cc,#0c1735cc);border:1px solid #ffffff1e;border-radius:24px;padding:30px;transform:rotate(1deg);box-shadow:0 24px 80px #0007}.card h2{margin:14px 0;font-size:2rem}.card p:not(.card-label),.card small{color:var(--muted);line-height:1.6}.progress{background:#ffffff16;border-radius:9px;height:8px;margin:28px 0 13px;overflow:hidden}.progress span{background:linear-gradient(90deg,var(--blue),var(--lime));width:62%;height:100%;display:block}.features{grid-template-columns:repeat(3,1fr);gap:14px;padding:65px 0 30px;display:grid}.features article{color:#dfe5f3;background:#ffffff09;border:1px solid #ffffff10;border-radius:14px;align-items:center;gap:12px;padding:16px;display:flex}.features i{color:var(--lime);font-style:normal}footer{color:var(--muted);border-top:1px solid #ffffff12;justify-content:space-between;margin-top:30px;padding:28px 0;font-size:.9rem;display:flex}footer a{color:#20d2d7;text-decoration:none}.auth-page{place-items:center;min-height:100vh;padding:24px;display:grid}.auth-card{background:#0e1934e8;border:1px solid #ffffff1a;border-radius:24px;width:min(100%,520px);padding:36px;box-shadow:0 30px 100px #0008}.auth-card>a:first-child{text-decoration:none}.auth-card h1{margin:28px 0 10px;font-size:2.6rem;line-height:1}.auth-card>p{color:var(--muted)}.auth-form{gap:17px;margin-top:28px;display:grid}.auth-form label{color:#e8ecf7;gap:7px;font-weight:700;display:grid}.auth-form input{color:#fff;width:100%;font:inherit;background:#081126;border:1px solid #ffffff25;border-radius:11px;padding:13px 14px}.auth-form input:focus{border-color:#0000;outline:2px solid #20d2d7}.auth-form small{color:var(--muted);font-weight:400}.form-button,.nav-button{cursor:pointer;font:inherit;border:0}.form-button{border-radius:12px;margin-top:4px;padding:14px 20px;font-weight:850}.form-button:disabled{opacity:.65;cursor:wait}.form-message{margin:0;line-height:1.5;color:#b9ff45!important}.auth-switch{margin-top:24px}.auth-switch a{color:#20d2d7}.inline-button{border-radius:10px;margin-top:18px;padding:12px 16px;text-decoration:none;display:inline-block}.nav-button{background:0 0;border-radius:10px;padding:10px 14px}.nav-actions a{color:#dfe5f3;font-size:.9rem;font-weight:700;text-decoration:none}.dashboard{max-width:850px;padding:30px 0 80px}.dashboard h1{font-size:clamp(3rem,7vw,5rem)}.dashboard .card{max-width:520px;margin-top:40px;transform:none}.wide,.content-page{max-width:1040px}.dashboard-head{justify-content:space-between;align-items:center;gap:32px;display:flex}.stat-ring{aspect-ratio:1;text-align:center;background:radial-gradient(circle,#0b1630 55%,transparent 57%),conic-gradient(var(--lime) var(--progress),#ffffff15 0);border-radius:50%;flex:0 0 145px;place-content:center;display:grid}.stat-ring strong{font-size:1.8rem}.stat-ring span{color:var(--muted);font-size:.75rem}.dashboard-actions{flex-wrap:wrap;gap:12px;margin:30px 0;display:flex}.button-link{border-radius:12px;padding:14px 20px;font-weight:800;text-decoration:none;display:inline-block}.summary-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0 50px;display:grid}.summary-grid article{background:#ffffff09;border:1px solid #ffffff13;border-radius:16px;gap:5px;padding:20px;display:grid}.summary-grid b{font-size:1.7rem}.summary-grid span{color:var(--muted);font-size:.85rem}.section-title{font-size:2rem}.plan-list{gap:18px;display:grid}.unit-card{background:#0d1935d9;border:1px solid #ffffff13;border-radius:20px;grid-template-columns:70px 1fr;gap:14px;padding:20px;display:grid}.unit-number{width:54px;height:54px;color:var(--lime);background:#ffffff0d;border-radius:16px;place-items:center;font-size:1.3rem;font-weight:900;display:grid}.unit-content>.card-label{margin:4px 0 12px}.lesson-row{color:#fff;border-top:1px solid #ffffff10;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;padding:14px 10px;text-decoration:none;display:grid}.lesson-row>span{background:#ffffff0d;border-radius:50%;place-items:center;width:32px;height:32px;display:grid}.lesson-row.done>span{color:#071021;background:#b9ff45}.lesson-row div{gap:4px;display:grid}.lesson-row small{color:var(--muted)}.content-page{padding:20px 0 80px}.content-page>h1,.lesson-hero h1,.result-card h1{font-size:clamp(2.8rem,6vw,5rem)}.quiz-stack{gap:16px;max-width:780px;margin-top:36px;display:grid}.question-card{background:#0d1935;border:1px solid #ffffff18;border-radius:18px;padding:20px}.question-card legend{padding:0 8px;font-size:1.05rem;font-weight:800}.question-card legend span{background:var(--blue);border-radius:8px;place-items:center;width:28px;height:28px;margin-right:10px;display:inline-grid}.question-card label{cursor:pointer;border:1px solid #ffffff15;border-radius:10px;margin:8px 0;padding:12px;display:block}.question-card label.selected{background:#20d2d712;border-color:#20d2d7}.question-card input{margin-right:10px}.error,.answer-bad{color:#ff9d9d}.answer-ok{color:var(--lime)}.result-card{text-align:center;background:#0e1934;border:1px solid #ffffff18;border-radius:28px;max-width:720px;margin:70px auto;padding:50px}.result-card h1{font-size:3.4rem}.level-bubble{background:var(--lime);width:100px;height:100px;color:var(--ink);border-radius:50%;place-items:center;margin:0 auto 22px;font-size:2rem;font-weight:950;display:grid}.lesson-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}.lesson-card,.mission-box,.admin-panel{background:#0d1935;border:1px solid #ffffff16;border-radius:20px;padding:26px}.lesson-card h2{font-size:1.6rem}.reading-text{color:#e3e8f2;font-size:1.1rem;line-height:1.85}.listen-button,.student-controls button,.student-controls select{color:#fff;cursor:pointer;background:#ffffff0c;border:1px solid #ffffff20;border-radius:9px;padding:9px 12px}.video-wrap{border-radius:12px;padding-bottom:56.25%;position:relative;overflow:hidden}.video-wrap iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.vocab-list{gap:8px;display:grid}.vocab-list button{text-align:left;color:#fff;cursor:pointer;background:#ffffff08;border:1px solid #ffffff10;border-radius:10px;grid-template-columns:1fr 1fr auto;gap:12px;padding:12px;display:grid}.vocab-list span{color:var(--muted)}.standalone{margin-top:18px}.exercise-section{max-width:820px;margin:55px auto 0}.exercise-section>h2{font-size:2rem}.exercise-section .question-card{margin:14px 0}.mission-box{margin:25px 0}.coach{gap:10px;margin-top:20px;display:grid}.coach textarea{color:#fff;min-height:110px;font:inherit;background:#071126;border:1px solid #ffffff24;border-radius:10px;padding:14px}.coach .form-button{justify-self:start}.coach-reply{border-left:3px solid var(--lime);background:#ffffff08;padding:16px}.score-panel{background:#162a54;border-radius:18px;align-items:center;gap:20px;padding:24px;display:flex}.score-panel>strong{color:var(--lime);font-size:2.5rem}.finish-button{width:100%}.complete-chip{color:var(--lime);background:#b9ff4520;border-radius:99px;padding:8px 12px;display:inline-block}.admin-page>.lead{margin-bottom:30px}.admin-panel{margin:18px 0}.admin-panel h2{margin-top:8px}.invite-form{flex-wrap:wrap;gap:10px;display:flex}.invite-form input{color:#fff;background:#071126;border:1px solid #ffffff24;border-radius:10px;flex:1;min-width:240px;padding:13px}.invite-form span{width:100%;color:var(--lime)}.admin-panel-head{justify-content:space-between;align-items:center;display:flex}.student-table{overflow-x:auto}.student-row{border-top:1px solid #ffffff12;grid-template-columns:1.4fr .7fr .7fr 1fr;align-items:center;gap:14px;min-width:760px;padding:14px 8px;display:grid}.student-row>span:first-child{gap:4px;display:grid}.student-row small{color:var(--muted)}.student-row.header{color:var(--muted);text-transform:uppercase;font-size:.8rem}.dot{background:#777;border-radius:50%;width:8px;height:8px;margin-right:7px;display:inline-block}.dot.active{background:var(--lime)}.student-controls{gap:8px;display:flex}@media (max-width:800px){nav{padding-bottom:30px}.app-nav{align-items:flex-start}.app-nav .nav-actions{flex-wrap:wrap;justify-content:flex-end}.hero,.lesson-grid{grid-template-columns:1fr;gap:32px}.features,.summary-grid{grid-template-columns:1fr 1fr}.card{transform:none}h1{font-size:3.6rem}.dashboard-head{align-items:flex-start}.stat-ring{flex-basis:110px}.unit-card{grid-template-columns:1fr}.unit-number{display:none}}@media (max-width:520px){.summary-grid{grid-template-columns:1fr 1fr}.dashboard-head{display:block}.stat-ring{margin-top:25px}.lesson-row{grid-template-columns:34px 1fr}.lesson-row>b{display:none}.result-card{padding:28px 18px}}