@import url("https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&display=swap");:root{--color-primary:#58cc02;--color-primary-light:#89e219;--color-primary-shadow:#58a700;--color-primary-glow:rgba(88,204,2,0.25);--color-secondary:#1cb0f6;--color-secondary-shadow:#1899d6;--color-secondary-glow:rgba(28,176,246,0.2);--color-danger:#ff4b4b;--color-danger-shadow:#ea2b2b;--color-danger-light:#ff6b6b;--color-gold:#ffc800;--color-gold-shadow:#e5b300;--color-purple:#ce82ff;--color-purple-shadow:#a855d6;--color-orange:#ff9600;--color-background:#ffffff;--color-surface:#f7f7f7;--color-surface-raised:#ffffff;--color-text:#3c3c3c;--color-text-light:#afafaf;--color-border:#e5e5e5;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--radius-xl:28px;--radius-full:9999px;--shadow-sm:0 2px 8px rgba(0,0,0,0.06);--shadow-md:0 4px 16px rgba(0,0,0,0.08);--shadow-lg:0 8px 32px rgba(0,0,0,0.1);--shadow-glow-green:0 0 20px var(--color-primary-glow);--shadow-glow-blue:0 0 20px var(--color-secondary-glow);--transition-fast:0.12s ease-out;--transition-normal:0.25s ease-out;--transition-spring:0.4s cubic-bezier(0.34,1.56,0.64,1)}@media (prefers-color-scheme:dark){:root{--color-background:#131f24;--color-surface:#1a2d35;--color-surface-raised:#233a44;--color-text:#ffffff;--color-text-light:#6b8591;--color-border:#2d4450;--shadow-sm:0 2px 8px rgba(0,0,0,0.2);--shadow-md:0 4px 16px rgba(0,0,0,0.3);--shadow-lg:0 8px 32px rgba(0,0,0,0.4)}}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth}body{background-color:var(--color-background);color:var(--color-text);font-family:Nunito,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;overscroll-behavior-y:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:1024px;margin:0 auto;padding:16px;flex:1 1;display:flex;flex-direction:column}.lesson-container{max-width:600px;margin:0 auto;width:100%}.glass-header{background-color:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border);box-shadow:0 4px 20px rgba(0,0,0,.03)}@media (prefers-color-scheme:dark){.glass-header{background-color:rgba(26,45,53,.85);box-shadow:0 4px 20px rgba(0,0,0,.3)}}h1,h2,h3{font-weight:800;margin-bottom:12px;letter-spacing:-.02em}h1{font-size:28px;line-height:1.2}h2{font-size:22px;line-height:1.3}h3{font-size:18px}p{font-size:17px;color:var(--color-text);margin-bottom:12px}.btn{display:inline-flex;align-items:center;justify-content:center;font-family:Nunito,sans-serif;font-weight:800;font-size:15px;text-transform:uppercase;letter-spacing:1px;padding:14px 24px;border-radius:var(--radius-md);border:none;cursor:pointer;transition:transform .08s,box-shadow .08s,background-color .15s;-webkit-user-select:none;user-select:none;text-decoration:none;width:100%;position:relative}.btn:active{transform:translateY(4px)!important;box-shadow:none!important}.btn-primary{background-color:var(--color-primary);color:#ffffff;box-shadow:0 5px 0 var(--color-primary-shadow)}.btn-primary:hover{background-color:var(--color-primary-light)}.btn-secondary{background-color:var(--color-secondary);color:#ffffff;box-shadow:0 5px 0 var(--color-secondary-shadow)}.btn-danger{background-color:var(--color-danger);color:#ffffff;box-shadow:0 5px 0 var(--color-danger-shadow)}.btn-gold{background:linear-gradient(135deg,var(--color-gold),var(--color-orange));color:#ffffff;box-shadow:0 5px 0 var(--color-gold-shadow)}.btn-outline{background-color:var(--color-surface-raised);color:var(--color-text);border:2px solid var(--color-border);box-shadow:0 4px 0 var(--color-border);text-transform:none;letter-spacing:0;font-weight:700}.btn-outline:active{box-shadow:none!important;border-bottom-width:2px}.btn-disabled{background-color:var(--color-surface);color:var(--color-text-light);box-shadow:0 5px 0 var(--color-border);cursor:not-allowed;pointer-events:none}.progress-container{width:100%;height:16px;background-color:var(--color-surface);overflow:hidden}.progress-container,.progress-fill{border-radius:var(--radius-full);position:relative}.progress-fill{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-light));transition:width .5s cubic-bezier(.34,1.56,.64,1)}.progress-fill:after{content:"";position:absolute;top:3px;left:8px;right:8px;height:4px;background-color:rgba(255,255,255,.35);border-radius:var(--radius-full)}.speaker-btn{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:var(--radius-md);background-color:var(--color-secondary);color:white;border:none;cursor:pointer;box-shadow:0 4px 0 var(--color-secondary-shadow);transition:transform .08s,box-shadow .08s,background-color .15s}.speaker-btn:active{transform:translateY(4px);box-shadow:none}.speaker-btn.speaking{animation:speakerPulse .6s ease-in-out infinite alternate}.speaker-btn-sm{width:40px;height:40px;border-radius:var(--radius-sm);box-shadow:0 3px 0 var(--color-secondary-shadow)}@keyframes speakerPulse{0%{transform:scale(1)}to{transform:scale(1.08)}}.path-container{width:100%;padding:20px 0 120px}.path-container,.path-node-wrapper{display:flex;flex-direction:column;align-items:center}.path-node-wrapper{margin-bottom:8px;transition:transform .3s ease}.path-node{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:26px;cursor:pointer;position:relative;transition:transform var(--transition-fast),box-shadow var(--transition-fast);text-decoration:none;color:white}.path-node.completed{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));box-shadow:0 8px 0 var(--color-primary-shadow),var(--shadow-glow-green)}.path-node.completed:active{transform:translateY(8px);box-shadow:none}.path-node.current{background:linear-gradient(135deg,var(--color-gold),var(--color-orange));box-shadow:0 8px 0 var(--color-gold-shadow);animation:currentPulse 2s ease-in-out infinite}.path-node.current:active{transform:translateY(8px);box-shadow:none;animation:none}.path-node.locked{background-color:var(--color-surface);box-shadow:0 8px 0 var(--color-border);color:var(--color-text-light);cursor:not-allowed}.path-node.locked:active{transform:none;box-shadow:0 8px 0 var(--color-border)}.path-node-label{font-weight:700;font-size:14px;margin-top:10px;text-align:center;max-width:120px}.path-connector{width:4px;height:28px;border-radius:2px;margin:0 auto}.path-connector.done{background:linear-gradient(180deg,var(--color-primary),var(--color-primary-light))}.path-connector.upcoming{background-color:var(--color-border)}@keyframes currentPulse{0%,to{box-shadow:0 8px 0 var(--color-gold-shadow),0 0 0 0 rgba(255,200,0,.5)}50%{box-shadow:0 8px 0 var(--color-gold-shadow),0 0 0 14px rgba(255,200,0,0)}}.lesson-card{background-color:var(--color-surface-raised);border:2px solid var(--color-border);border-radius:var(--radius-xl);padding:36px 24px;text-align:center;box-shadow:var(--shadow-md);position:relative;overflow:hidden}.lesson-card:before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:linear-gradient(90deg,var(--color-secondary),var(--color-purple))}.lesson-card-word{font-size:44px;font-weight:900;margin:16px 0 8px;letter-spacing:-.02em;cursor:pointer;transition:color var(--transition-fast)}.lesson-card-word:hover{color:var(--color-secondary)}.lesson-card-translation{font-size:22px;font-weight:700;color:var(--color-primary);margin-bottom:0}.lesson-card-article{display:inline-block;padding:4px 14px;border-radius:var(--radius-full);font-weight:800;font-size:13px;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}.article-der{background:rgba(28,176,246,.15);color:var(--color-secondary)}.article-die{background:rgba(206,130,255,.15);color:var(--color-purple)}.article-das{background:rgba(255,150,0,.15);color:var(--color-orange)}.example-box{text-align:left;padding:20px;background:linear-gradient(135deg,rgba(28,176,246,.06),rgba(206,130,255,.06));border-radius:var(--radius-lg);border:1px solid rgba(28,176,246,.15);margin-top:24px;position:relative}.example-box-label{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;color:var(--color-secondary);margin-bottom:10px!important}.example-box-de{font-size:18px;font-weight:700;cursor:pointer;margin-bottom:4px!important;display:flex;align-items:center;gap:8px}.example-box-de:hover{color:var(--color-secondary)}.example-box-ua{font-size:15px;color:var(--color-text-light);margin:0!important}.quiz-option{display:flex;align-items:center;gap:16px;width:100%;padding:18px 20px;border-radius:var(--radius-md);border:2px solid var(--color-border);box-shadow:0 4px 0 var(--color-border);background-color:var(--color-surface-raised);cursor:pointer;font-family:Nunito,sans-serif;font-weight:700;font-size:17px;text-align:left;color:var(--color-text);transition:transform .08s,box-shadow .08s,border-color .15s,background-color .15s}.quiz-option:active{transform:translateY(4px);box-shadow:none}.quiz-option.selected{border-color:var(--color-secondary);background-color:rgba(28,176,246,.08);box-shadow:0 4px 0 var(--color-secondary-shadow)}.quiz-option.correct{border-color:var(--color-primary);background-color:rgba(88,204,2,.08);box-shadow:0 4px 0 var(--color-primary-shadow)}.quiz-option.incorrect{border-color:var(--color-danger);background-color:rgba(255,75,75,.08);box-shadow:0 4px 0 var(--color-danger-shadow)}.quiz-option-number{width:32px;height:32px;border-radius:8px;border:2px solid var(--color-border);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:var(--color-text-light);flex-shrink:0}.quiz-option.selected .quiz-option-number{border-color:var(--color-secondary);color:var(--color-secondary);background:rgba(28,176,246,.1)}.quiz-option.correct .quiz-option-number{border-color:var(--color-primary);color:#fff;background:var(--color-primary)}.quiz-option.incorrect .quiz-option-number{border-color:var(--color-danger);color:#fff;background:var(--color-danger)}.lesson-footer{padding:20px 16px max(20px,env(safe-area-inset-bottom));border-top:2px solid var(--color-border);transition:background-color .3s ease,border-color .3s ease}.lesson-footer.correct{background-color:#d7ffb8;border-top-color:#b8e986}.lesson-footer.incorrect{background-color:#ffdfe0;border-top-color:#f5b8b8}@media (prefers-color-scheme:dark){.lesson-footer.correct{background-color:#1a3d10;border-top-color:#2d5a1e}.lesson-footer.incorrect{background-color:#3d1010;border-top-color:#5a1e1e}}.feedback-message{display:flex;align-items:center;gap:10px;margin-bottom:16px}.feedback-icon{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:900;flex-shrink:0}.feedback-icon.correct{background:var(--color-primary);color:white}.feedback-icon.incorrect{background:var(--color-danger);color:white}.completion-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;padding:40px 20px;text-align:center;background:linear-gradient(180deg,var(--color-background) 0,rgba(88,204,2,.05) 100%)}.completion-trophy{font-size:80px;margin-bottom:20px;animation:trophyBounce .8s cubic-bezier(.34,1.56,.64,1)}@keyframes trophyBounce{0%{transform:scale(0) rotate(-20deg);opacity:0}60%{transform:scale(1.2) rotate(5deg)}to{transform:scale(1) rotate(0deg);opacity:1}}.completion-xp{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-gold),var(--color-orange));color:white;font-weight:800;font-size:20px;margin-bottom:32px;box-shadow:0 4px 0 var(--color-gold-shadow)}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-secondary)}.bottom-nav{position:fixed;bottom:0;left:0;width:100%;height:72px;background-color:var(--color-background);border-top:2px solid var(--color-border);justify-content:space-around;padding-bottom:env(safe-area-inset-bottom);z-index:100}.bottom-nav,.nav-item{display:flex;align-items:center}.nav-item{flex-direction:column;color:var(--color-text-light);text-decoration:none;font-size:11px;font-weight:800;padding:8px 16px;border-radius:var(--radius-md);transition:color var(--transition-fast),background-color var(--transition-fast)}.nav-item.active{color:var(--color-secondary)}.nav-icon{width:28px;height:28px;margin-bottom:3px;fill:currentColor}.app-header{padding:16px;gap:16px;position:sticky;top:0;background-color:var(--color-background);z-index:50}.app-header,.app-header-streak{display:flex;align-items:center}.app-header-streak{gap:6px;padding:4px 12px;border-radius:var(--radius-full);background:rgba(255,150,0,.1);color:var(--color-orange);font-weight:800;font-size:14px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}@keyframes shake{0%,to{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}@keyframes correctPop{0%{transform:scale(1)}40%{transform:scale(1.06)}to{transform:scale(1)}}@keyframes particle-burst{0%{opacity:1;transform:rotate(var(--angle,0deg)) translateY(0) scale(1)}to{opacity:0;transform:rotate(var(--angle,0deg)) translateY(-60px) scale(.3)}}@keyframes comboPopIn{0%{opacity:0;transform:translateX(-50%) scale(.5)}60%{transform:translateX(-50%) scale(1.1)}to{opacity:1;transform:translateX(-50%) scale(1)}}@keyframes heartBeat{0%,to{transform:scale(1)}50%{transform:scale(1.3)}}@keyframes progressShimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes mascotBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes mascotBreathe{0%,to{transform:scale(1) translateY(0)}50%{transform:scale(1.03) translateY(-3px)}}@keyframes mascotBlink{0%,46%,50%,to{transform:scaleY(1)}48%{transform:scaleY(.1)}}.mascot-idle{animation:mascotBreathe 3s ease-in-out infinite;transform-origin:bottom center}.mascot-eye-idle{animation:mascotBlink 4s infinite;transform-origin:center}.animate-fadeInUp{animation:fadeInUp .35s ease-out}.animate-fadeIn{animation:fadeIn .25s ease-out}.animate-scaleIn{animation:scaleIn .3s var(--transition-spring)}.animate-shake{animation:shake .4s ease-out}.animate-correct{animation:correctPop .3s ease-out}.section-header{text-align:center;padding:24px 16px 8px}.section-header-label{font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;color:var(--color-text-light);margin-bottom:4px!important}.section-header-title{font-size:24px;font-weight:900;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:0}.home-bg{background:radial-gradient(ellipse at 0 0,rgba(88,204,2,.06) 0,transparent 50%),radial-gradient(ellipse at 100% 100%,rgba(28,176,246,.06) 0,transparent 50%),var(--color-background)}.progress-fill:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4) 50%,transparent);background-size:200% 100%;animation:progressShimmer 2s infinite;border-radius:inherit}@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/f639721981034f88-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/9766a7e9e2e0ad5a-s.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/b66cf8e69499582a-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/aa016aab0e6d1295-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Geist;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/22a5144ee8d83bca-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Geist Fallback;src:local("Arial");ascent-override:95.94%;descent-override:28.16%;line-gap-override:0.00%;size-adjust:104.76%}.__className_246ccd{font-family:Geist,Geist Fallback;font-style:normal}.__variable_246ccd{--font-geist-sans:"Geist","Geist Fallback"}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/013b72fa676f92e0-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/b9408752a0c24fb9-s.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/65f03d54ccadf4a8-s.woff2) format("woff2");unicode-range:u+2000-2001,u+2004-2008,u+200a,u+23b8-23bd,u+2500-259f}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/e038a29029a234f2-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/2b5b02fc7e511755-s.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:Geist Mono;font-style:normal;font-weight:100 900;font-display:swap;src:url(/_next/static/media/7d4881bb7e1bf84d-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:Geist Mono Fallback;src:local("Arial");ascent-override:74.67%;descent-override:21.92%;line-gap-override:0.00%;size-adjust:134.59%}.__className_c29908{font-family:Geist Mono,Geist Mono Fallback;font-style:normal}.__variable_c29908{--font-geist-mono:"Geist Mono","Geist Mono Fallback"}