:root{font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--navy:#101b35;--gold:#d9ad58;--gold-ink:#9b7838;--green:#307855;--red:#a34836;--bg:#f4f6fa;--card:#fff;--card-2:#f8f9fb;--text:#17233d;--text-2:#48546a;--muted:#788399;--line:#e8ebf1;--hero:#101b35;--chip:#f1f3f7;--gold-soft:#fff8e9;--gold-line:#ead4a8;--green-soft:#e8f5ee;--red-soft:#fcefec;--explain:#f3f6fb;--shadow:0 6px 20px #15274614;--nav-bg:#fffe;color:var(--text);background:var(--bg);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=dark]{--bg:#0f1626;--card:#172238;--card-2:#1b2740;--text:#e7ebf3;--text-2:#c3cad8;--muted:#8d98ad;--line:#24314c;--hero:#1a2742;--chip:#22304b;--gold-soft:#2a2516;--gold-line:#5b4a24;--green-soft:#173327;--red-soft:#3a1f1c;--explain:#1d2a44;--shadow:0 6px 20px #00000040;--nav-bg:#131c2fee;--gold-ink:#e8c47c;--green:#5fc08f;--red:#e58a78;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);min-width:320px;min-height:100vh;color:var(--text);margin:0;transition:background .2s,color .2s}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}#root{min-height:100vh}h1,h2,h3,p{margin-top:0}.app{min-height:100vh;padding-bottom:92px}.top{background:var(--navy);color:#fff;justify-content:space-between;align-items:center;height:68px;padding:0 20px;display:flex}:root[data-theme=dark] .top{background:var(--bg);border-bottom:1px solid var(--line)}.brand{align-items:center;gap:11px;display:flex}.brand-icon{width:40px;height:40px;color:var(--gold);background:#ffffff14;border-radius:12px;place-items:center;display:grid}.brand-name{letter-spacing:-.3px;font-weight:750}.brand-caption{color:#b8c0d0;letter-spacing:1.3px;margin-top:3px;font-size:9px}.avatar{width:38px;height:38px;color:var(--navy);background:var(--gold);border:0;border-radius:50%;place-items:center;font-weight:800;display:grid}main{width:min(100% - 32px,760px);margin:18px auto 0}.hero{color:#fff;background:var(--hero);box-shadow:var(--shadow);border-radius:22px;align-items:center;gap:16px;padding:18px;display:flex}.hero-text{gap:3px;min-width:0;display:grid}.hero-hello{opacity:.78;font-size:13px}.hero h1{letter-spacing:-.4px;margin:0;font-size:20px;line-height:1.2}.hero-meta{opacity:.78;font-size:12px}.ring{flex:none}.ring-track{fill:none;stroke:#ffffff26;stroke-width:7px}.ring-value{fill:none;stroke:var(--gold);stroke-width:7px;stroke-linecap:round;transition:stroke-dasharray .6s}.ring text{fill:currentColor;font-size:14px;font-weight:750}.profile-hero .ring-track,.side-progress .ring-track{stroke:var(--line)}.course-chips{gap:8px;margin:14px 0 0;padding-bottom:2px;display:flex;overflow-x:auto}.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;flex:none;align-items:center;gap:8px;padding:8px 12px;font-size:13px;font-weight:600;display:flex}.chip small{color:var(--muted);font-weight:600}.chip.active{border-color:var(--gold);background:var(--gold-soft)}.continue-cta{width:100%;color:var(--navy);background:var(--gold);text-align:left;border:0;border-radius:18px;align-items:center;gap:12px;margin:14px 0 6px;padding:14px 16px;transition:transform .15s;display:flex;box-shadow:0 8px 22px #d9ad5840}.continue-cta:active{transform:scale(.98)}.cta-play{width:38px;height:38px;color:var(--gold);background:var(--navy);border-radius:50%;flex:none;place-items:center;display:grid}.cta-text{flex:1;gap:2px;min-width:0;display:grid}.cta-text strong{font-size:15px}.cta-text small{opacity:.8;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:500;overflow:hidden}.path-head{justify-content:space-between;align-items:baseline;margin:22px 2px 8px;display:flex}.path-head h2{margin:0;font-size:17px}.path-head span{color:var(--muted);font-size:12px;font-weight:600}.path{margin:0;padding:0;list-style:none}.path-step{position:relative}.path-step+.path-step:before{content:"";background:var(--line);width:2px;height:16px;position:absolute;top:-8px;left:30px}.path-step.done+.path-step:before{background:var(--green)}.path-step button{text-align:left;background:0 0;border:2px solid #0000;border-radius:16px;align-items:center;gap:12px;width:100%;margin:4px 0;padding:9px 10px;transition:background .15s,border-color .15s;display:flex}.path-step button:hover{background:var(--card)}.path-step.current button{border-color:var(--gold);background:var(--card);box-shadow:var(--shadow)}.path-step.active button{background:var(--card);border-color:var(--gold-line)}.step-dot{width:40px;height:40px;color:var(--text);background:var(--chip);border-radius:50%;flex:none;place-items:center;font-weight:750;display:grid}.done .step-dot{color:#fff;background:var(--green)}:root[data-theme=dark] .done .step-dot{color:#0f1626}.current .step-dot{color:var(--navy);background:var(--gold)}.locked .step-dot{color:var(--muted);border:2px dashed var(--line);background:0 0}.step-text{flex:1;gap:2px;min-width:0;display:grid}.step-text strong{font-size:14px}.step-text small{color:var(--muted);font-size:12px}.done .step-text small{color:var(--green)}.current .step-text small{color:var(--gold-ink)}.locked .step-text strong{color:var(--muted)}.locked button{cursor:not-allowed}.step-chevron{color:var(--muted);flex:none}.eyebrow{color:var(--gold-ink);letter-spacing:1.25px;font-size:10px;font-weight:750}.page-description{color:var(--muted);margin-bottom:18px;font-size:14px;line-height:1.6}.notice{border:1px solid var(--gold-line);color:var(--gold-ink);background:var(--gold-soft);border-radius:12px;margin:10px 0;padding:12px 14px;font-size:13px;line-height:1.5}.api-state{color:var(--muted);margin:18px 0;font-size:14px}.empty-state{border:1px dashed var(--line);color:var(--muted);text-align:center;border-radius:18px;justify-items:center;gap:8px;margin:18px 0;padding:26px 18px;font-size:14px;line-height:1.55;display:grid}.empty-state p{max-width:360px;margin:0}.api-error{border:1px solid var(--gold-line);color:var(--text);background:var(--gold-soft);border-radius:16px;margin:4px 0 14px;padding:16px;line-height:1.55}.api-error p{color:var(--text-2);margin:7px 0 12px}.link-pending{color:var(--gold-ink)}.link-profile{gap:8px;margin:12px 0 14px;display:grid}.link-profile label{font-size:13px;font-weight:700}.link-profile input{border:1px solid var(--line);background:var(--card);border-radius:12px;width:100%;padding:12px}.back-button,.secondary-button{border:1px solid var(--line);color:var(--text);background:var(--card);border-radius:12px;justify-content:center;align-items:center;gap:6px;margin:0 0 16px;padding:10px 13px;font-weight:650;text-decoration:none;display:inline-flex}.primary-button,.gold-button{border:0;border-radius:14px;justify-content:center;align-items:center;gap:8px;width:100%;margin-top:12px;padding:13px 16px;font-weight:750;display:flex}.primary-button{color:#fff;background:var(--navy)}:root[data-theme=dark] .primary-button,.gold-button{color:var(--navy);background:var(--gold)}.primary-button:disabled{opacity:.65;cursor:wait}.wide-button{width:100%;margin-top:10px}.link-button{color:var(--muted);background:0 0;border:0;margin-top:8px;font-weight:600}:focus-visible{outline:3px solid var(--gold);outline-offset:2px}.detail-page h1{letter-spacing:-.5px;margin:8px 0 6px;font-size:clamp(23px,5vw,30px)}.lesson-card,.quiz-card{border:1px solid var(--line);background:var(--card);border-radius:18px;margin:16px 0;padding:18px}.lesson-card h2,.quiz-card h2{align-items:center;gap:9px;margin-bottom:12px;font-size:17px;display:flex}.lesson-card h2 svg{color:var(--gold-ink)}.lesson-card p{color:var(--text-2);white-space:pre-line;margin-bottom:14px;font-size:15px;line-height:1.7}.lesson-card .secondary-button{margin:0}.material-attachment img,.material-attachment video{border-radius:12px;width:100%}.question-block{border:0;min-width:0;margin:0 0 20px;padding:0}.question-block legend{gap:9px;margin-bottom:11px;font-weight:700;line-height:1.5;display:flex}.q-num{width:24px;height:24px;color:var(--gold-ink);background:var(--gold-soft);border-radius:8px;flex:none;place-items:center;font-size:12px;display:grid}.answer-list{gap:9px;display:grid}.answer-option{border:1.5px solid var(--line);width:100%;color:var(--text);background:var(--card);text-align:left;border-radius:13px;align-items:center;gap:11px;padding:13px;line-height:1.4;transition:border-color .12s,background .12s;display:flex}.answer-option.selected{border-color:var(--gold);background:var(--gold-soft)}.radio-dot{border:2px solid var(--muted);border-radius:50%;flex:0 0 18px;width:18px;height:18px}.multi .radio-dot{border-radius:5px}.selected .radio-dot{border:6px solid var(--gold)}.written-answer{resize:vertical;border:1.5px solid var(--line);background:var(--card);border-radius:13px;width:100%;min-height:110px;padding:12px;line-height:1.55}.written-answer:focus{outline:2px solid var(--gold)}.written-answer:disabled{color:var(--muted);background:var(--card-2)}.review-status{color:var(--gold-ink);margin:8px 0 0;font-size:12px}.review-status.approved{color:var(--green)}.review-status.needs_revision{color:var(--red)}.review-comment{color:var(--muted);margin:6px 0 0;font-size:12px}.question-explanation{background:var(--explain);color:var(--text-2);border-radius:12px;margin:10px 0 0;padding:10px 12px;font-size:13px;line-height:1.5}.quiz-feedback{color:var(--red);margin:12px 0 0;font-size:13px}.completed-message{color:var(--green);align-items:center;gap:7px;margin:14px 0 0;font-size:13px;display:flex}.result-page{text-align:center;max-width:460px;margin:0 auto;padding:10px 0 20px}.result-badge{width:104px;height:104px;color:var(--green);background:var(--green-soft);border-radius:50%;place-items:center;margin:14px auto 16px;animation:.5s cubic-bezier(.2,1.4,.4,1) pop;display:grid;position:relative}.bad 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confetti;position:absolute}.c1{background:var(--gold);--r:-30deg;top:14px;left:-16px}.c2{background:var(--green);--r:35deg;animation-delay:50ms;top:6px;right:-14px}.c3{--r:60deg;background:#a34836;animation-delay:.1s;bottom:-10px;left:8px}.c4{--r:-55deg;background:#34425d;animation-delay:.15s;bottom:-6px;right:4px}.c5{background:var(--gold);--r:12deg;animation-delay:80ms;top:-18px;left:48px}@keyframes pop{0%{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}@keyframes confetti{0%{opacity:0;transform:translateY(10px)rotate(0)}30%{opacity:1}to{opacity:1;transform:translateY(0) rotate(var(--r))}}@media (prefers-reduced-motion:reduce){.result-badge,.confetti{opacity:1;animation:none}}.library-page h1,.profile-page h1{letter-spacing:-.5px;margin:8px 0 6px;font-size:clamp(23px,5vw,30px)}.search-box{border:1px solid var(--line);color:var(--muted);background:var(--card);border-radius:14px;align-items:center;gap:10px;margin-bottom:16px;padding:13px 15px;display:flex}.search-box input{background:0 0;border:0;outline:0;width:100%;font-size:14px}.material-list{gap:10px;display:grid}.material-card{border:1px solid var(--line);background:var(--card);text-align:left;border-radius:16px;align-items:center;gap:14px;width:100%;padding:14px;transition:transform .15s,border-color .15s;display:flex}.material-card:hover{border-color:var(--gold-line);transform:translateY(-1px)}.material-icon{height:42px;color:var(--gold-ink);background:var(--gold-soft);border-radius:13px;flex:0 0 42px;place-items:center;display:grid}.material-info{flex:1;gap:4px;min-width:0;display:grid}.material-category{color:var(--gold-ink);letter-spacing:.5px;text-transform:uppercase;font-size:10px;font-weight:700}.material-info strong{font-size:15px}.profile-hero{background:var(--card);border:1px solid var(--line);border-radius:22px;align-items:center;gap:14px;margin-bottom:8px;padding:16px;display:flex}.profile-hero>div:nth-child(2){flex:1;min-width:0}.profile-hero h1{margin:0 0 2px;font-size:20px}.profile-hero span{color:var(--muted);font-size:12px}.profile-avatar{width:54px;height:54px;color:var(--navy);background:var(--gold);border-radius:50%;flex:none;place-items:center;font-size:22px;font-weight:800;display:grid}.settings-label{color:var(--muted);letter-spacing:1px;margin:18px 4px 8px;font-size:11px;font-weight:750}.settings-card{border:1px solid var(--line);background:var(--card);border-radius:18px;padding:6px}.settings-hint{color:var(--muted);margin:8px 8px 4px;font-size:12px;line-height:1.45}.segmented{background:var(--chip);border-radius:13px;gap:4px;padding:4px;display:flex}.segmented button{min-width:0;color:var(--muted);background:0 0;border:0;border-radius:10px;flex:1;padding:10px 4px;font-size:13px;font-weight:650}.segmented button.on{color:var(--text);background:var(--card);box-shadow:0 1px 4px #10203a26}.settings-card.list{padding:0 6px}.settings-row{border:0;border-bottom:1px solid var(--line);text-align:left;background:0 0;justify-content:space-between;align-items:center;width:100%;padding:14px 10px;font-size:14px;display:flex}.settings-row:last-child{border-bottom:0}.settings-row span{color:var(--text-2)}.telegram-id-result{justify-content:space-between;padding:16px;display:flex}.bottom-nav{z-index:5;padding:10px 16px max(10px, env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--nav-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);justify-content:center;gap:min(8vw,72px);display:flex;position:fixed;bottom:0;left:0;right:0}.nav-item{min-width:76px;color:var(--muted);background:0 0;border:0;justify-items:center;gap:4px;padding:3px 12px;font-size:11px;display:grid}.nav-item.active{color:var(--gold-ink);font-weight:750}.lang-screen{place-items:center;min-height:100vh;padding:24px 20px;display:grid}.lang-box{text-align:center;width:min(100%,380px)}.lang-logo{width:78px;height:78px;color:var(--gold);background:var(--navy);border-radius:24px;place-items:center;margin:0 auto 16px;display:grid}.lang-box h1{margin-bottom:6px;font-size:24px}.lang-box>p{color:var(--muted);margin-bottom:20px;font-size:13px;line-height:1.6}.lang-list{gap:10px;display:grid}.lang-option{border:1.5px solid var(--line);background:var(--card);text-align:left;border-radius:16px;align-items:center;gap:12px;padding:13px 14px;font-size:15px;font-weight:650;display:flex}.lang-option.selected{border-color:var(--gold);background:var(--gold-soft)}.lang-code{background:var(--chip);border-radius:12px;place-items:center;width:40px;height:40px;font-size:12px;font-weight:800;display:grid}.selected .lang-code{color:var(--navy);background:var(--gold)}.lang-name{flex:1;gap:1px;display:grid}.lang-name small{color:var(--muted);font-size:11px;font-weight:500}.lang-radio{border:2px solid var(--muted);border-radius:50%;width:20px;height:20px}.selected .lang-radio{border:6px solid var(--gold)}@media (width>=960px){.app.is-wide{grid-template-columns:236px 1fr;padding-bottom:0;display:grid}.sidebar{color:#c9d1e0;background:var(--navy);flex-direction:column;gap:22px;height:100vh;padding:22px 16px;display:flex;position:sticky;top:0}:root[data-theme=dark] .sidebar{border-right:1px solid var(--line);background:#0b1120}.side-nav{gap:4px;display:grid}.side-item{color:#c9d1e0;text-align:left;background:0 0;border:0;border-radius:12px;align-items:center;gap:10px;padding:11px 12px;font-weight:600;display:flex}.side-item:hover{background:#ffffff0d}.side-item.active{color:#e8c47c;background:#d9ad5826;font-weight:750}.side-progress{color:#c9d1e0;align-items:center;gap:10px;margin-top:auto;font-size:12px;display:flex}.side-progress .ring-track{stroke:#ffffff26}.is-wide main{width:auto;max-width:1180px;margin:0;padding:26px 28px}.learn-grid{grid-template-columns:minmax(320px,400px) 1fr;align-items:start;gap:24px;display:grid}.learn-detail{border:1px solid var(--line);background:var(--card);border-radius:22px;max-height:calc(100vh - 52px);padding:22px 24px;position:sticky;top:26px;overflow-y:auto}.learn-detail .lesson-card,.learn-detail .quiz-card{background:var(--bg)}.learn-detail .answer-option,.learn-detail .written-answer{background:var(--card)}.detail-placeholder{min-height:320px;color:var(--muted);text-align:center;place-content:center;justify-items:center;gap:10px;display:grid}.library-page,.profile-page{max-width:760px}}