.share-container{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:1000}.share-button{background-color:#4caf50;color:#fff;border:none;padding:10px 20px;border-radius:5px;cursor:pointer;font-size:16px;transition:background-color .3s}.share-button:hover{background-color:#45a049}.share-options{display:flex;flex-direction:column;gap:12px;align-items:center;background-color:#fff;padding:15px 10px;border-radius:30px;box-shadow:0 2px 20px #0000001a}.share-option{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border:none;cursor:pointer;border-radius:50%;transition:all .3s ease;color:#fff}.share-option:hover{transform:translate(-3px);box-shadow:0 5px 15px #0003}.share-option 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cubic-bezier(.4,0,.2,1);cursor:pointer;overflow:hidden;display:flex;flex-direction:column;align-items:center;text-align:center}.category-icon{font-size:3rem;margin-bottom:1rem;display:block;transform:scale(1);transition:transform .3s ease}.spelling-card:hover .category-icon{transform:scale(1.2)}.spelling-card:before{content:"";position:absolute;top:0;left:0;right:0;height:8px;background:linear-gradient(90deg,#ff9a9e,#fad0c4);border-radius:20px 20px 0 0}.spelling-card:nth-child(2):before{background:linear-gradient(90deg,#a1c4fd,#c2e9fb)}.spelling-card:nth-child(3):before{background:linear-gradient(90deg,#d4fc79,#96e6a1)}.spelling-card:hover{transform:translateY(-10px) scale(1.02);box-shadow:0 20px 30px #0000001f}.spelling-card h3{color:#2c3e50;font-size:1.8rem;margin-bottom:1rem;font-weight:700}.spelling-card p{color:#666;font-size:1.1rem;line-height:1.5;margin-bottom:1.5rem}.word-preview{font-size:.9rem;color:#4a6fa5;background:#f8faff;padding:.8rem 1.2rem;border-radius:15px;margin-top:auto;width:100%;font-style:italic}.spelling-card:after{content:"→";position:absolute;bottom:20px;right:20px;font-size:1.5rem;color:#4a6fa5;opacity:0;transition:all .3s ease}.spelling-card:hover:after{opacity:1;transform:translate(5px)}.spelling-card-container{position:relative;width:100%}.premium-locked{opacity:.8}.premium-card{cursor:not-allowed;position:relative;overflow:hidden}.premium-card:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#4a6fa51a,#4a6fa533);z-index:1}.premium-badge{position:absolute;top:10px;right:10px;background-color:#4a6fa5;color:#fff;padding:6px;border-radius:50%;font-size:.9rem;display:flex;align-items:center;justify-content:center;width:30px;height:30px;box-shadow:0 2px 4px #0003}.unlock-premium-btn{display:inline-block;margin-top:10px;padding:8px 16px;background-color:#4a6fa5;color:#fff;border-radius:20px;text-decoration:none;font-weight:500;transition:all .2s 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p{color:#666;font-size:16px}.social-auth{display:flex;flex-direction:column;gap:15px;margin-bottom:25px}.social-btn{display:flex;align-items:center;justify-content:center;width:100%;padding:12px 24px;margin:8px 0;border:none;border-radius:8px;font-size:16px;font-weight:500;cursor:pointer;transition:all .3s ease;gap:12px}.social-btn i{font-size:20px}.social-btn.google{background-color:#fff;color:#757575;border:1px solid #ddd}.social-btn.google:hover{background-color:#f8f8f8;box-shadow:0 2px 4px #0000001a}.social-btn.apple{background-color:#000;color:#fff}.social-btn.apple:hover{background-color:#333;box-shadow:0 2px 4px #0003}.social-btn:disabled{opacity:.7;cursor:not-allowed}.divider{display:flex;align-items:center;text-align:center;margin:25px 0}.divider:before,.divider:after{content:"";flex:1;border-bottom:1px solid #e0e0e0}.divider span{padding:0 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p{color:#666;font-size:14px}.toggle-btn{background:none;border:none;color:#4a6fa5;font-weight:500;cursor:pointer;padding:0;margin-left:5px;font-size:14px}.toggle-btn:hover:not(:disabled){text-decoration:underline}.toggle-btn:disabled{opacity:.7;cursor:not-allowed}.back-link{display:flex;align-items:center;gap:8px;color:#666;text-decoration:none;font-size:14px;margin-top:30px;transition:color .3s ease}.back-link:hover{color:#4a6fa5}@media (max-width: 480px){.auth-card{padding:30px 20px}.auth-header h1{font-size:24px}.social-btn{padding:10px 15px;font-size:14px}}.loading-container{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;background:linear-gradient(135deg,#f6f9ff,#eef5ff)}.loading-spinner{width:50px;height:50px;border:5px solid rgba(74,111,165,.2);border-radius:50%;border-top-color:#4a6fa5;animation:spin 1s ease-in-out infinite;margin-bottom:20px}@keyframes spin{to{transform:rotate(360deg)}}.loading-container p{color:#4a6fa5;font-size:18px;font-weight:500}.profile-menu-container{position:relative;z-index:1000}.profile-button{background:none;border:none;cursor:pointer;padding:0;display:flex;align-items:center;gap:10px;transition:transform .2s ease}.profile-button:hover{transform:scale(1.05)}.profile-name-display{font-weight:500;color:#333;font-size:14px;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:16px;box-shadow:0 2px 5px #0003}.profile-avatar.large{width:60px;height:60px;font-size:24px}.profile-dropdown{position:absolute;top:50px;right:0;width:250px;background-color:#fff;border-radius:10px;box-shadow:0 5px 15px #0000001a;overflow:hidden;animation:slideDown .3s ease}@keyframes 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480px){.profile-dropdown{width:220px}.profile-avatar{width:35px;height:35px;font-size:14px}.profile-avatar.large{width:50px;height:50px;font-size:20px}.profile-name-display{display:none}}.app-header{background-color:#fff;box-shadow:0 2px 4px #0000001a;position:fixed;top:0;left:0;right:0;z-index:1000;height:70px}.header-content{max-width:1200px;margin:0 auto;padding:0 20px;height:100%;display:flex;align-items:center;justify-content:space-between}.logo-container{display:flex;align-items:center}.logo-link{display:flex;align-items:center;text-decoration:none;gap:10px}.logo{width:40px;height:40px;object-fit:contain}.app-name{font-size:1.5rem;font-weight:600;color:#4a6fa5}.nav-links{display:flex;gap:20px}.nav-link{text-decoration:none;color:#4a6fa5;font-weight:500;padding:8px 12px;border-radius:4px;transition:all .2s 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#0000001a}.card-icon{font-size:4rem}.card-content{text-align:center}.card-title{font-size:2rem;color:#333;margin-bottom:15px}.card-description{font-size:1.1rem;color:#666;margin-bottom:20px;line-height:1.5}.card-features{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:25px}.feature-badge{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:8px 15px;border-radius:20px;font-size:.9rem;font-weight:600;box-shadow:0 2px 8px #667eea4d}.english-card .feature-badge{background:linear-gradient(135deg,#4ecdc4,#45b7d1)}.hindi-card .feature-badge{background:linear-gradient(135deg,#ffa07a,#ff6b6b)}.start-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:15px 35px;border-radius:25px;font-size:1.2rem;font-weight:700;cursor:pointer;transition:all .3s ease;display:inline-flex;align-items:center;gap:10px;box-shadow:0 4px 15px #667eea66;width:100%;justify-content:center}.start-btn:hover:not(:disabled){transform:scale(1.05);box-shadow:0 6px 20px #667eea80}.start-btn:disabled{cursor:not-allowed;opacity:.6}.btn-arrow{font-size:1.5rem;transition:transform .3s ease}.start-btn:hover:not(:disabled) .btn-arrow{transform:translate(5px)}.tracing-benefits{max-width:1200px;margin:0 auto 60px;animation:fadeInUp 1s ease-out}.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:25px;padding:20px}.benefit-card{background:#fff;border-radius:20px;padding:30px;text-align:center;box-shadow:0 8px 25px #00000026;transition:all .3s ease}.benefit-card:hover{transform:translateY(-5px);box-shadow:0 12px 35px #0003}.benefit-icon{font-size:3.5rem;display:block;margin-bottom:15px}.benefit-card h3{font-size:1.4rem;color:#667eea;margin-bottom:12px}.benefit-card p{font-size:1rem;color:#666;line-height:1.6}.tracing-footer{text-align:center;padding:40px 20px;animation:fadeIn 1.2s ease-out}.footer-mascot{font-size:4rem;margin-bottom:20px;animation:rotate 3s infinite linear}.footer-text{font-size:1.5rem;color:#fff;margin-bottom:25px;text-shadow:1px 1px 2px rgba(0,0,0,.2)}.cta-button{display:inline-block;background:#fff;color:#667eea;text-decoration:none;padding:18px 40px;border-radius:30px;font-size:1.3rem;font-weight:700;box-shadow:0 8px 25px #0003;transition:all .3s ease}.cta-button:hover{transform:scale(1.05);box-shadow:0 10px 35px #0000004d;background:#f8f9fa}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.tracing-title{font-size:2.2rem;gap:15px}.tracing-emoji{font-size:2.5rem}.tracing-subtitle{font-size:1.1rem}.section-title{font-size:2rem}.language-cards{grid-template-columns:1fr;padding:10px}.card-title{font-size:1.6rem}.benefits-grid{grid-template-columns:1fr;padding:10px}}@media (max-width: 480px){.tracing-container{padding:20px 10px}.tracing-title{font-size:1.8rem;gap:10px}.tracing-emoji{font-size:2rem}.card-icon-bg{width:80px;height:80px}.card-icon{font-size:3rem}.start-btn{padding:12px 25px;font-size:1rem}}.trace-practice-container{padding:20px;max-width:1400px;margin:0 auto;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.trace-header{text-align:center;margin-bottom:30px;animation:fadeInDown .6s ease-out}.trace-title{font-size:2.5rem;color:#fff;margin-bottom:10px;text-shadow:2px 2px 4px rgba(0,0,0,.2);display:flex;align-items:center;justify-content:center;gap:15px;flex-wrap:wrap}.trace-emoji{font-size:2.8rem;animation:bounce 2s infinite}.trace-subtitle{font-size:1.2rem;color:#fffffff2;font-weight:500}.trace-main-content{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin-bottom:30px}.animation-section,.drawing-section{animation:fadeInUp .8s ease-out}.animation-card,.drawing-card{background:#fff;border-radius:25px;padding:25px;box-shadow:0 10px 30px #0003;height:100%;display:flex;flex-direction:column}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding-bottom:15px;border-bottom:3px solid #f0f0f0}.card-header h2{font-size:1.8rem;color:#667eea;margin:0}.letter-badge{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:10px 20px;border-radius:15px;font-size:2rem;font-weight:700;box-shadow:0 4px 10px #667eea4d}.clear-btn{background:linear-gradient(135deg,#ff6b6b,#ee5a6f);color:#fff;border:none;padding:10px 20px;border-radius:15px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 10px #ff6b6b4d}.clear-btn:hover{transform:translateY(-2px);box-shadow:0 6px 15px #ff6b6b66}.clear-btn:active{transform:translateY(0)}.lottie-container{background:linear-gradient(135deg,#f5f7fa,#c3cfe2);border-radius:20px;padding:30px;margin-bottom:20px;display:flex;justify-content:center;align-items:center;min-height:350px;box-shadow:inset 0 2px 10px #0000001a}.speed-control{background:#f8f9fa;padding:20px;border-radius:15px;margin-top:auto}.speed-label{display:flex;align-items:center;gap:10px;font-size:1.1rem;font-weight:600;color:#333;margin-bottom:15px}.speed-icon{font-size:1.5rem}.speed-slider-container{display:flex;align-items:center;gap:15px;margin-bottom:10px}.speed-marker{font-size:1.5rem}.speed-slider{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:8px;border-radius:5px;background:linear-gradient(to right,#667eea,#764ba2);outline:none;cursor:pointer}.speed-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:#fff;cursor:pointer;box-shadow:0 2px 8px #0003;border:3px solid #667eea}.speed-slider::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:#fff;cursor:pointer;box-shadow:0 2px 8px #0003;border:3px solid #667eea}.speed-marks{display:flex;justify-content:space-between;padding:0 10px;font-size:.9rem;color:#666;font-weight:500}.drawing-tools{background:#f8f9fa;padding:15px;border-radius:15px;margin-bottom:15px;display:flex;flex-direction:column;gap:15px}.tool-group{display:flex;flex-direction:column;gap:10px}.tool-label{display:flex;align-items:center;gap:8px;font-size:1rem;font-weight:600;color:#333}.tool-icon{font-size:1.3rem}.color-palette{display:flex;gap:10px;flex-wrap:wrap}.color-btn{width:40px;height:40px;border-radius:50%;border:3px solid transparent;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 5px #0003}.color-btn:hover{transform:scale(1.1);box-shadow:0 4px 10px #0000004d}.color-btn.active{border-color:#333;transform:scale(1.15);box-shadow:0 4px 12px #0006}.size-slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:8px;border-radius:5px;background:linear-gradient(to right,#4ecdc4,#45b7d1);outline:none;cursor:pointer}.size-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;cursor:pointer;box-shadow:0 2px 8px #0003;border:3px solid #4ECDC4}.size-slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#fff;cursor:pointer;box-shadow:0 2px 8px #0003;border:3px solid #4ECDC4}.drawing-canvas{width:100%;height:400px;border-radius:15px;background:#fff;cursor:crosshair;box-shadow:inset 0 2px 10px #0000001a;touch-action:none}.drawing-hint{text-align:center;margin-top:15px;font-size:1rem;color:#666;display:flex;align-items:center;justify-content:center;gap:8px}.hint-icon{font-size:1.5rem}.navigation-controls{background:#fff;padding:25px;border-radius:25px;box-shadow:0 10px 30px #0003;display:flex;align-items:center;justify-content:space-between;gap:20px;animation:fadeInUp 1s ease-out}.nav-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:15px 30px;border-radius:20px;font-size:1.1rem;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:10px;transition:all .3s ease;box-shadow:0 4px 15px #667eea4d;min-width:150px}.nav-btn:hover{transform:translateY(-3px);box-shadow:0 6px 20px #667eea66}.nav-btn:active{transform:translateY(0)}.nav-arrow{font-size:1.3rem}.letter-progress{flex:1;display:flex;flex-direction:column;align-items:center;gap:15px}.progress-text{font-size:1.1rem;font-weight:600;color:#667eea}.alphabet-strip{display:flex;gap:5px;flex-wrap:wrap;justify-content:center;max-width:100%;overflow-x:auto;padding:5px}.alphabet-btn{width:40px;height:40px;border-radius:10px;border:2px solid #e0e0e0;background:#fff;color:#333;font-weight:700;font-size:1rem;cursor:pointer;transition:all .3s ease}.alphabet-btn:hover{background:#f0f0f0;border-color:#667eea;transform:scale(1.05)}.alphabet-btn.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:#667eea;transform:scale(1.1);box-shadow:0 4px 10px #667eea4d}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@media (max-width: 1024px){.trace-main-content{grid-template-columns:1fr}.trace-title{font-size:2rem}.alphabet-strip{max-width:500px}}@media (max-width: 768px){.trace-practice-container{padding:15px}.trace-title{font-size:1.8rem}.trace-subtitle{font-size:1rem}.card-header h2{font-size:1.4rem}.navigation-controls{flex-direction:column;gap:15px}.nav-btn{width:100%;justify-content:center}.alphabet-strip{gap:3px}.alphabet-btn{width:35px;height:35px;font-size:.9rem}.drawing-canvas{height:300px}}@media (max-width: 480px){.trace-title{font-size:1.5rem;gap:10px}.trace-emoji{font-size:2rem}.animation-card,.drawing-card{padding:15px}.lottie-container{min-height:250px;padding:20px}.color-palette{gap:8px}.color-btn{width:35px;height:35px}}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f6f9ff;color:#2c3e50}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}button{cursor:pointer;border:none;outline:none}a{text-decoration:none;color:inherit}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.text-center{text-align:center}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}