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Toastify__spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.modal-overlay{z-index:10000}@media (max-width:480px){.exit-warning-modal{max-width:350px;padding:20px}.exit-warning-modal h3{font-size:1.3rem}.modal-actions{flex-direction:column}.modal-button{width:100%}}.session-warning-overlay{align-items:center;animation:fadeIn .3s ease-out;background:#00000080;bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:10000}.session-warning-modal{animation:slideIn .3s ease-out;background:#fff;border-radius:12px;box-shadow:0 10px 30px #0000004d;max-width:400px;padding:0;width:90%}.session-warning-header{background:linear-gradient(135deg,#ff6b6b,orange);border-radius:12px 12px 0 0;color:#fff;padding:20px;text-align:center}.session-warning-header h3{font-size:1.2rem;font-weight:600;margin:0}.session-warning-content{padding:30px 20px;text-align:center}.session-warning-content p{color:#333;font-size:1rem;margin:0 0 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#00000026;transform:scale(1.05)}.profile-image{border-radius:50%;height:100%;object-fit:cover;width:100%}.profile-initials{color:#fff;font-size:.875rem;font-weight:600;text-align:center;-webkit-user-select:none;user-select:none}.profile-picture[style*="width: 32px"] .profile-initials{font-size:.75rem}.profile-picture[style*="width: 48px"] .profile-initials{font-size:1rem}.profile-picture[style*="width: 64px"] .profile-initials{font-size:1.25rem}.profile-picture[style*="width: 80px"] .profile-initials{font-size:1.5rem}.dashboard-container{background:linear-gradient(135deg,#667eea,#764ba2);margin:0 auto;max-width:1400px;min-height:100vh;padding:20px}.dashboard-header{color:#fff;margin-bottom:50px;padding:40px 20px;text-align:center}.dashboard-header h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#fff,#f0f4ff);-webkit-background-clip:text;background-clip:text;font-size:3rem;font-weight:800;margin-bottom:15px;text-shadow:0 2px 4px #0000001a}.dashboard-header p{color:#ffffffe6;font-size:1.2rem;line-height:1.6;margin:0 auto;max-width:600px}.dashboard-features{margin-bottom:50px}.dashboard-grid{grid-gap:30px;display:grid;gap:30px;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));padding:0 20px}.dashboard-card{background:linear-gradient(135deg,#fff,#f8f9fa);border:1px solid #fff3;border-radius:20px;box-shadow:0 10px 30px #0000001a,0 6px 20px #0000000d;color:inherit;overflow:hidden;padding:30px;position:relative;text-decoration:none;transition:all .3s ease}.dashboard-card:before{background:linear-gradient(90deg,#4f46e5,#7c3aed);content:"";height:4px;left:0;position:absolute;right:0;top:0;transform:scaleX(0);transition:transform .3s ease}.dashboard-card:hover:before{transform:scaleX(1)}.dashboard-card:hover{box-shadow:0 20px 40px #00000026,0 10px 30px #0000001a;color:inherit;text-decoration:none;transform:translateY(-8px)}.dashboard-icon{display:block;font-size:3rem;margin-bottom:20px}.dashboard-card h3{color:#2d3748;font-size:1.5rem;font-weight:600;margin-bottom:15px}.dashboard-card p{color:#718096;font-size:1rem;line-height:1.6;margin-bottom:20px}.dashboard-arrow{color:#4f46e5;font-size:1.5rem;opacity:0;position:absolute;right:30px;top:30px;transition:all .3s ease}.dashboard-card:hover .dashboard-arrow{opacity:1;transform:translateX(5px)}.dashboard-stats{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:20px;margin:0 20px;padding:40px}.stats-grid{grid-gap:30px;gap:30px}.stat-number{font-size:3rem}.stat-label{font-size:1.1rem;font-weight:500}@media (max-width:768px){.dashboard-container{padding:15px}.dashboard-header h1{font-size:2.5rem}.dashboard-header p{font-size:1.1rem}.dashboard-grid{gap:20px;grid-template-columns:1fr;padding:0 10px}.dashboard-card{padding:25px}.dashboard-icon{font-size:2.5rem}.dashboard-card h3{font-size:1.3rem}.dashboard-stats{margin:0 10px;padding:30px 20px}.stats-grid{gap:20px;grid-template-columns:repeat(2,1fr)}.stat-number{font-size:2.5rem}.stat-label{font-size:1rem}}@media (max-width:480px){.dashboard-header h1{font-size:2rem}.stats-grid{grid-template-columns:1fr}.dashboard-card{padding:20px}.dashboard-arrow{right:20px;top:20px}}.contact-container{background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;overflow-x:hidden;padding:2rem 0;position:relative}.contact-container:before{background:linear-gradient(45deg,#ffffff1a,#ffffff0d);bottom:0;content:"";left:0;position:absolute;right:0;top:0;z-index:1}.contact-content{margin:0 auto;max-width:800px;padding:2rem;position:relative;z-index:2}.contact-hero{margin-bottom:4rem;text-align:center}.contact-hero h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#fff,#f0f4ff);-webkit-background-clip:text;background-clip:text;font-size:clamp(2.5rem,5vw,3.5rem);font-weight:800;margin-bottom:1rem;text-shadow:0 4px 20px #0000001a}.contact-hero p{color:#ffffffe6;font-size:clamp(1.1rem,2vw,1.2rem);font-weight:300;line-height:1.6}.contact-form-section{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#fffffff2;border:1px solid #fff3;border-radius:30px;box-shadow:0 20px 60px #0000001a;padding:3rem}.contact-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{gap:.5rem}.form-group label{color:#2d3748;margin-bottom:.25rem}.form-group input,.form-group textarea{background:#fff;border:2px solid #e2e8f0;border-radius:15px;font-family:inherit;font-size:1rem;padding:1rem;transition:all .3s ease}.form-group input:focus,.form-group textarea:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a;outline:none;transform:translateY(-2px)}.form-row{grid-gap:1.5rem;gap:1.5rem;grid-template-columns:1fr 1fr}.submit-btn{background:linear-gradient(135deg,#667eea,#764ba2);border:none;border-radius:50px;box-shadow:0 4px 15px #667eea4d;color:#fff;cursor:pointer;font-size:1.1rem;font-weight:600;margin-top:1rem;padding:1rem 2rem;transition:all .3s ease}.submit-btn:hover{box-shadow:0 8px 25px #667eea66;transform:translateY(-2px)}.submit-btn:disabled{cursor:not-allowed;opacity:.6;transform:none}.submit-btn:disabled:hover{box-shadow:0 4px 15px #667eea4d;transform:none}.loading-spinner{animation:spin 1s ease-in-out infinite;border:3px solid #ffffff4d;border-radius:50%;border-top-color:#fff;display:inline-block;height:20px;margin-right:.5rem;width:20px}.success-message{background:linear-gradient(135deg,#48bb78,#38a169)}.error-message,.success-message{border-radius:15px;color:#fff;font-weight:500;margin-bottom:1.5rem;padding:1rem;text-align:center}.error-message{background:linear-gradient(135deg,#f56565,#e53e3e)}.contact-info{margin-top:3rem;text-align:center}.contact-info h3{color:#fff;font-size:1.3rem;margin-bottom:1rem;text-shadow:0 2px 10px #0003}.contact-details{display:flex;flex-wrap:wrap;gap:2rem;justify-content:center;margin-top:1rem}.contact-item{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:15px;color:#ffffffe6;font-size:.9rem;min-width:120px;padding:1rem}.contact-item span{color:gold;display:block;font-weight:600;margin-bottom:.25rem}@media (max-width:768px){.contact-content{padding:1rem}.contact-form-section{padding:2rem}.form-row{grid-template-columns:1fr}.contact-details{align-items:center;flex-direction:column}.contact-item{min-width:200px}}.progress-container{background:linear-gradient(135deg,#667eea,#764ba2);margin:0 auto;max-width:1400px;min-height:100vh;padding:20px}.progress-header{color:#fff;margin-bottom:40px;padding:20px;text-align:center}.progress-header h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#fff,#f0f4ff);-webkit-background-clip:text;background-clip:text;font-size:2.5rem;font-weight:800;margin-bottom:15px}.progress-header p{color:#ffffffe6;font-size:1.1rem;margin-bottom:0}.back-button{border:2px solid #ffffff4d;padding:10px 20px}.back-button:hover{background-color:#ffffff1a;border-color:#ffffff80}.progress-stats{margin-bottom:40px}.stats-grid{grid-gap:25px;gap:25px;padding:0 20px}.stat-card{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:15px;padding:25px;transition:all .3s ease}.stat-card:hover{background:#e3f2fd;color:#222;transform:translateY(-5px)}.stat-card:hover .stat-icon,.stat-card:hover .stat-label,.stat-card:hover .stat-number{color:#222!important}.stat-number{display:block;font-size:2.5rem;margin-bottom:10px}.stat-label{color:#fffc}.progress-tabs{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:20px;margin:0 20px;padding:30px}.tab-buttons{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}.tab-button{background:#ffffff1a;border:1px solid #fff3;border-radius:10px;color:#fff;cursor:pointer;font-size:1rem;font-weight:500;padding:12px 24px;transition:all .3s ease}.tab-button.active{background:linear-gradient(135deg,#4f46e5,#7c3aed);border-color:#0000;box-shadow:0 4px 15px #4f46e566}.tab-button:hover:not(.active){background:#fff3}.tab-content{min-height:400px}.overview-grid{grid-gap:25px;display:grid;gap:25px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.overview-card{background:#ffffff1a;border:1px solid #fff3;border-radius:15px;color:#fff;padding:25px;text-align:center}.overview-card h3{color:#ffffffe6;font-size:1.2rem;margin-bottom:15px}.streak-number{color:gold;font-size:3rem;font-weight:800;margin-bottom:10px}.overview-card p{color:#ffffffb3;margin:0}.quiz-history-tab h3{color:#fff;font-size:1.5rem;margin-bottom:25px}.quiz-history-list{display:flex;flex-direction:column;gap:20px}.quiz-history-item{align-items:center;background:#ffffff1a;border:1px solid #fff3;border-radius:15px;display:flex;justify-content:space-between;padding:20px;transition:all .3s ease}.quiz-history-item:hover{background:#ffffff26;transform:translateY(-2px)}.quiz-info h4{color:#fff;font-size:1.2rem;margin:0 0 8px}.quiz-topic{color:#fffc;font-size:.9rem;margin:0 0 5px}.quiz-date{color:#fff9;font-size:.8rem;margin:0}.quiz-score{align-items:center;display:flex;flex-direction:column}.score-circle{background:linear-gradient(135deg,#4f46e5,#7c3aed);height:60px;margin-bottom:8px;width:60px}.score-text{color:#fff;font-size:1rem;font-weight:700}.score-detail{color:#fffc;font-size:.8rem;margin:0}.no-data{color:#fff;padding:60px 20px;text-align:center}.no-data-icon{font-size:4rem;margin-bottom:20px}.no-data h4{color:#fff;font-size:1.5rem;margin-bottom:15px}.no-data p{color:#fffc;margin-bottom:25px}.btn-primary{background:linear-gradient(135deg,#4f46e5,#7c3aed);border:none}.btn-primary:hover{box-shadow:0 8px 25px #4f46e566;color:#fff;text-decoration:none}.analytics-tab h3{color:#fff;font-size:1.5rem;margin-bottom:25px}.analytics-grid{grid-gap:25px;display:grid;gap:25px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.analytics-card{background:#ffffff1a;border:1px solid #fff3;border-radius:15px;color:#fff;padding:25px}.analytics-card h4{color:#fff;margin-bottom:15px}.trend-indicator{align-items:center;display:flex;gap:10px;margin-bottom:10px}.trend-indicator.positive{color:#4ade80}.trend-arrow,.trend-value{font-size:1.5rem}.trend-value{font-weight:700}.analytics-card p{color:#fffc;margin:0}.subject-list{display:flex;flex-direction:column;gap:10px}.subject-item{background:#ffffff1a;border-radius:8px;font-size:.9rem;padding:10px 15px}.usage-tab{padding:20px}.usage-content{display:flex;flex-direction:column;gap:30px}.usage-chart-container,.usage-stats{background:#fff;border-radius:12px;box-shadow:0 4px 6px #0000001a;padding:20px}.usage-stats-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-bottom:20px}.usage-stat-card{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;box-shadow:0 4px 6px #0000001a;color:#fff;padding:20px;text-align:center;transition:transform .3s ease}.usage-stat-card:hover{transform:translateY(-5px)}.usage-stat-card .stat-icon{font-size:2rem;margin-bottom:10px}.usage-stat-card .stat-number{font-size:1.8rem;font-weight:700;margin-bottom:5px}.usage-stat-card .stat-label{font-size:.9rem;opacity:.9}.usage-details{background:#fff;border-radius:12px;box-shadow:0 4px 6px #0000001a;padding:20px}.usage-details h4{color:#333;font-size:1.2rem;margin-bottom:20px}.daily-breakdown{display:flex;flex-direction:column;gap:12px}.daily-item{grid-gap:20px;align-items:center;background:#f8f9fa;border-left:4px solid #667eea;border-radius:8px;display:grid;gap:20px;grid-template-columns:1fr auto auto;padding:15px}.daily-date{display:flex;flex-direction:column;gap:2px}.day-name{color:#333;font-weight:700}.day-date{color:#666;font-size:.9rem}.daily-time{color:#667eea;font-size:1.1rem;font-weight:700}.daily-sessions{color:#666;font-size:.9rem}.loading-container{background:#fff;border-radius:12px;box-shadow:0 4px 6px #0000001a;padding:60px 20px;text-align:center}.loading-spinner{color:#667eea;font-size:1.2rem;font-weight:500}.error-container{background-color:#f8f9fa;border-radius:8px;margin:2rem 0;padding:2rem;text-align:center}.error-message{color:#dc3545;font-size:1.1rem;margin-bottom:1rem}.login-prompt{margin-top:1rem}.login-prompt .btn{background-color:#007bff;border-radius:5px;color:#fff;display:inline-block;padding:.75rem 1.5rem;text-decoration:none;transition:background-color .3s}.login-prompt .btn:hover{background-color:#0056b3}.retry-button{background-color:#28a745;border:none;border-radius:5px;color:#fff;cursor:pointer;padding:.5rem 1rem;transition:background-color .3s}.retry-button:hover{background-color:#218838}@media (max-width:768px){.progress-container{padding:15px}.progress-header h1{font-size:2rem}.stats-grid{gap:15px;grid-template-columns:repeat(2,1fr);padding:0 10px}.stat-card{padding:20px}.stat-icon,.stat-number{font-size:2rem}.progress-tabs{margin:0 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p{font-size:1.2rem;margin-bottom:0;opacity:.9}.back-button{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;color:#fff;display:flex;gap:.5rem;left:2rem;padding:.75rem 1rem;position:absolute;top:2rem}.back-button:hover{background:#fff3;transform:translateX(-4px)}.goals-content{grid-gap:2rem;display:grid;gap:2rem}.goals-section{background:#fff;border:1px solid #f0f0f0;border-radius:16px;box-shadow:0 4px 20px #0000001a;padding:2rem}.section-header{border-bottom:2px solid #f0f0f0;gap:1rem;margin-bottom:1.5rem;padding-bottom:1rem}.section-header,.section-icon{align-items:center;display:flex}.section-icon{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:#fff;font-size:2rem;height:60px;justify-content:center;width:60px}.section-header h2{color:#2c3e50;font-size:1.8rem;font-weight:600;margin:0}.section-header p{color:#7f8c8d;font-size:1rem;margin:0}.goals-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin-top:2rem}.goal-type-card{background:#f8f9fa;border:2px solid #0000;border-radius:12px;cursor:pointer;padding:1.5rem;transition:all .3s ease}.goal-type-card:hover{border-color:#667eea;box-shadow:0 8px 25px #667eea26;transform:translateY(-2px)}.goal-type-card.selected{background:linear-gradient(135deg,#667eea1a,#764ba21a);border-color:#667eea}.goal-type-icon{display:block;font-size:2.5rem;margin-bottom:1rem}.goal-type-card h3{color:#2c3e50;font-size:1.3rem;font-weight:600;margin-bottom:.5rem}.goal-type-card p{color:#7f8c8d;font-size:.95rem;line-height:1.5}.goal-form{background:#f8f9fa;border-radius:12px;margin-top:2rem;padding:2rem}.form-group{margin-bottom:1.5rem}.form-group label{color:#2c3e50;font-size:1rem;margin-bottom:.5rem}.form-group input,.form-group select,.form-group textarea{border:2px solid #e0e0e0;padding:.75rem}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.priority-options{display:flex;flex-wrap:wrap;gap:1rem}.priority-option{background:#fff;border:2px solid #e0e0e0;border-radius:8px;cursor:pointer;flex:1 1;min-width:120px;padding:.75rem;text-align:center;transition:all .3s ease}.priority-option:hover{border-color:#667eea}.priority-option.selected{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff}.btn-primary:hover{box-shadow:0 8px 25px #667eea4d}.btn-secondary{background:#0000;border:2px solid #667eea;color:#667eea}.btn-secondary:hover{background:#667eea;color:#fff}.form-actions{gap:1rem;justify-content:center}.current-goals,.form-actions{margin-top:2rem}.goals-list{grid-gap:1rem;display:grid;gap:1rem;margin-top:1rem}.goal-item{background:#fff;border:2px solid #f0f0f0;border-radius:12px;padding:1.5rem;transition:all .3s ease}.goal-item:hover{border-color:#667eea;box-shadow:0 4px 20px #667eea1a}.goal-header{align-items:center;display:flex;justify-content:between;margin-bottom:1rem}.goal-title{color:#2c3e50;font-size:1.2rem;font-weight:600;margin:0}.goal-priority{border-radius:20px;font-size:.8rem;font-weight:600;padding:.3rem .8rem;text-transform:uppercase}.goal-priority.high{background:#ff4757;color:#fff}.goal-priority.medium{background:#ffa502;color:#fff}.goal-priority.low{background:#2ed573;color:#fff}.goal-description{color:#7f8c8d;line-height:1.5}.goal-description,.goal-progress{margin-bottom:1rem}.progress-bar{background:#e0e0e0}.progress-fill{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:4px}.progress-text{color:#7f8c8d;margin-top:.5rem}.goal-actions{display:flex;gap:.5rem;justify-content:flex-end}.goal-actions button{border:none;border-radius:6px;cursor:pointer;font-size:.8rem;padding:.4rem .8rem;transition:all .3s ease}.edit-btn{background:#3742fa;color:#fff}.edit-btn:hover{background:#2f3542}.complete-btn{background:#2ed573;color:#fff}.complete-btn:hover{background:#26d55f}.delete-btn{background:#ff4757;color:#fff}.delete-btn:hover{background:#ff3838}.empty-state{color:#7f8c8d;padding:3rem 2rem;text-align:center}.empty-state-icon{font-size:4rem;margin-bottom:1rem;opacity:.5}.tips-section{background:linear-gradient(135deg,#667eea1a,#764ba21a);border-radius:12px;margin-top:2rem;padding:2rem}.tips-grid{grid-gap:1.5rem;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-top:1.5rem}.tip-card{background:#fff;border-left:4px solid #667eea;border-radius:8px;padding:1.5rem}.tip-card h4{color:#2c3e50;font-weight:600;margin-bottom:.5rem}.tip-card p{color:#7f8c8d;font-size:.9rem;line-height:1.5;margin:0}@media (max-width:768px){.goals-container{padding:1rem}.goals-header{padding:1.5rem}.goals-header h1{font-size:2rem}.back-button{margin-bottom:1rem;position:static}.goals-grid{grid-template-columns:1fr}.form-actions,.goal-header,.priority-options{flex-direction:column}.goal-header{align-items:flex-start;gap:.5rem}.goal-actions{justify-content:flex-start}.tips-grid{grid-template-columns:1fr}}.landing-container{background:linear-gradient(135deg,#667eea,#764ba2);overflow-x:hidden}.hero-section,.landing-container{min-height:100vh;position:relative}.hero-section{align-items:center;display:flex;padding:2rem 0}.hero-section:before{background:linear-gradient(135deg,#667eea1a,#764ba21a);bottom:0;content:"";left:0;position:absolute;right:0;top:0;z-index:1}.hero-content{grid-gap:4rem;align-items:center;display:grid;gap:4rem;grid-template-columns:1fr 1fr;margin:0 auto;max-width:1200px;padding:0 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.highlight{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,gold,#ffb347);-webkit-background-clip:text;background-clip:text}.hero-subtitle{color:#ffffffe6;font-size:clamp(1.1rem,2vw,1.25rem);font-weight:400;line-height:1.6;margin-bottom:2rem}.hero-actions{gap:1rem;margin-bottom:3rem}.hero-actions,.hero-stats{display:flex;flex-wrap:wrap}.hero-stats{gap:2rem}.stat{align-items:center;display:flex;flex-direction:column;text-align:center}.stat-number{font-size:1.5rem;font-weight:700;margin-bottom:.25rem}.stat-label{color:#ffffffb3;font-size:.9rem;letter-spacing:.5px}.hero-visual{align-items:center;display:flex;height:400px;justify-content:center;position:relative}.hero-image-container{height:100%;position:relative;width:100%}.floating-element{animation:float 6s ease-in-out infinite;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:linear-gradient(135deg,#ffffff1a,#ffffff0d);border:1px solid #fff3;border-radius:50%;position:absolute}.element-1{animation-delay:0s;height:80px;left:10%;top:20%;width:80px}.element-2{animation-delay:2s;height:120px;right:20%;top:50%;width:120px}.element-3{animation-delay:4s;bottom:30%;height:60px;left:30%;width:60px}.element-4{animation-delay:1s;height:100px;right:10%;top:10%;width:100px}@keyframes float{0%,to{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-20px) rotate(180deg)}}.features-section{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:1px solid #fff3;border-radius:20px;margin:2rem;padding:6rem 0;position:relative}.features-container{margin:0 auto;max-width:1200px;padding:0 2rem}.section-title{color:#fff}.section-title,.section-title-dark{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#fff,#f0f4ff);-webkit-background-clip:text;background-clip:text;font-size:clamp(2rem,4vw,3rem);font-weight:700;margin-bottom:1rem;position:relative;text-align:center;text-shadow:0 3px 6px #00000080,0 1px 3px #0000004d}.section-title-dark{color:#000}.section-title:before{color:#fff;content:attr(data-text);left:0;position:absolute;right:0;text-shadow:0 4px 8px #000000b3,0 2px 4px #00000080;top:0;z-index:-1}.section-subtitle{color:#fffffff2;font-size:1.1rem;margin-bottom:4rem;margin-left:auto;margin-right:auto;max-width:600px;text-align:center;text-shadow:0 2px 4px #0006}.features-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin-top:4rem}.feature-card{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:#fff3;border:1px solid #ffffff4d;box-shadow:0 10px 30px #0000001a,0 5px 15px #0000000d;color:#fff;display:block;text-decoration:none}.feature-card:hover{background:#ffffff40;box-shadow:0 20px 60px #0003,0 10px 30px #0000001a;color:#fff;text-decoration:none}.feature-card h3{color:#fff;font-size:1.25rem;text-shadow:0 2px 4px #0000004d}.feature-card p{color:#fffffff2;font-size:.95rem;text-shadow:0 1px 3px #0003}.cta-section{background:linear-gradient(135deg,#2d3748,#4a5568);padding:6rem 0;text-align:center}.cta-container{margin:0 auto;max-width:800px;padding:0 2rem}.cta-title{color:#fff;font-size:clamp(2rem,4vw,2.5rem);font-weight:700;margin-bottom:1rem}.cta-subtitle{color:#fffc;font-size:1.1rem;line-height:1.6;margin-bottom:3rem}.cta-actions{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:center}.recent-features-section{background:#fff;border-top:1px solid #e2e8f0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;padding:4rem 0;position:relative}.recent-features-container{margin:0 auto;max-width:1200px;padding:0 2rem;text-align:center}.recent-features-section .section-title{-webkit-font-smoothing:antialiased!important;-moz-osx-font-smoothing:grayscale!important;backface-visibility:hidden;color:#000!important;font-family:-apple-system,BlinkMacSystemFont,Segoe 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#0000000d;transform:translateY(-5px)}.recent-feature-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:1rem}.recent-feature-icon{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:#fff;display:flex;font-size:2rem;font-weight:700;height:60px;justify-content:center;width:60px}.recent-feature-badge{background:linear-gradient(135deg,#48bb78,#38a169);border-radius:20px;box-shadow:0 2px 4px #48bb784d;color:#fff;font-size:.75rem;font-weight:600;letter-spacing:.5px;padding:.25rem .75rem;text-transform:uppercase}.recent-feature-badge:has-text("UPDATED"){background:linear-gradient(135deg,#4299e1,#3182ce);box-shadow:0 2px 4px #4299e14d}.recent-feature-card h3{color:#2d3748;font-size:1.25rem;font-weight:600;margin-bottom:.75rem;text-align:left}.recent-feature-card p{color:#4a5568;font-size:.95rem;line-height:1.6;margin:0;text-align:left}.recent-feature-badge{animation:pulse 2s infinite}.btn{border:2px solid #0000;border-radius:50px;padding:.75rem 2rem}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 4px 15px #667eea4d}.btn-primary:hover{box-shadow:0 8px 25px #667eea66}.btn-secondary{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff1a;border:2px solid #ffffff4d}.btn-secondary:hover{background:#fff3}.btn-outline{border:2px solid #fff;color:#fff}.btn-outline:hover{background:#fff;color:#2d3748}.btn-large{font-size:1.1rem;padding:1rem 2.5rem}@media (max-width:768px){.hero-content{gap:2rem;grid-template-columns:1fr;text-align:center}.hero-visual{height:300px}.features-grid{grid-template-columns:1fr}.cta-actions,.hero-actions{align-items:center;flex-direction:column}.btn{max-width:280px;width:100%}.hero-stats{justify-content:center}.recent-features-grid{gap:1.5rem;grid-template-columns:1fr}.recent-feature-card{padding:1.5rem}.recent-features-section .section-title{font-size:2rem}.recent-feature-icon{font-size:1.5rem;height:50px;width:50px}}.about-container{background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;overflow-x:hidden;position:relative}.about-container:before{background:linear-gradient(45deg,#ffffff1a,#ffffff0d);bottom:0;content:"";left:0;position:absolute;right:0;top:0;z-index:1}.about-content{margin:0 auto;max-width:1200px;padding:4rem 2rem;position:relative;z-index:2}.about-hero{margin-bottom:4rem;padding:4rem 0;text-align:center}.about-hero h1{-webkit-text-fill-color:#0000;background:linear-gradient(135deg,#fff,#f0f4ff);-webkit-background-clip:text;background-clip:text;font-size:clamp(3rem,6vw,4.5rem);font-weight:800;margin-bottom:1.5rem;text-shadow:0 4px 20px #0000001a}.about-hero p{color:#ffffffe6;font-size:clamp(1.1rem,2vw,1.3rem);font-weight:300;line-height:1.6;margin:0 auto;max-width:800px}.mission-section{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#fffffff2;border:1px 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#0000001a;overflow:hidden;padding:2.5rem;position:relative;text-align:center;transition:all .3s ease}.feature-card:before{background:linear-gradient(135deg,#667eea,#764ba2);content:"";height:4px;left:0;position:absolute;right:0;top:0}.feature-card:hover{box-shadow:0 25px 60px #667eea33;transform:translateY(-10px)}.feature-icon{display:block;font-size:3rem;margin-bottom:1.5rem}.feature-card h3{color:#2d3748;font-size:1.3rem;font-weight:600;margin-bottom:1rem}.feature-card p{color:#718096;font-size:1rem;line-height:1.6}.team-section{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#fffffff2;border:1px solid #fff3;border-radius:30px;box-shadow:0 20px 60px #0000001a;margin-bottom:3rem;padding:4rem}.team-section h2{color:#2d3748;font-size:clamp(2rem,4vw,2.5rem);margin-bottom:2rem;position:relative;text-align:center}.team-section h2:after{background:linear-gradient(135deg,gold,#ffb347);border-radius:2px;bottom:-10px;content:"";height:4px;left:50%;position:absolute;transform:translateX(-50%);width:80px}.team-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-top:3rem}.team-member{background:#667eea0d;border-radius:20px;padding:2rem;text-align:center;transition:all .3s ease}.team-member:hover{background:#667eea1a;transform:translateY(-5px)}.team-avatar{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;color:#fff;display:flex;font-size:2rem;font-weight:600;height:80px;justify-content:center;margin:0 auto 1rem;width:80px}.team-member h4{color:#2d3748;font-size:1.1rem;margin-bottom:.5rem}.team-member p{color:#718096;font-size:.9rem}.values-section{margin-bottom:3rem}.values-section h2{color:#fff;font-size:clamp(2rem,4vw,2.5rem);margin-bottom:3rem;text-align:center;text-shadow:0 2px 10px #0003}.values-grid{grid-gap:2rem;display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.value-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#fffffff2;border:1px solid #fff3;border-radius:20px;box-shadow:0 15px 40px #0000001a;overflow:hidden;padding:2.5rem;position:relative;text-align:center;transition:all .3s ease}.value-card:before{content:"";height:4px;left:0;position:absolute;right:0;top:0}.value-card:first-child:before{background:linear-gradient(135deg,#ff6b6b,#ee5a24)}.value-card:nth-child(2):before{background:linear-gradient(135deg,#4ecdc4,#44a08d)}.value-card:nth-child(3):before{background:linear-gradient(135deg,#45b7d1,#96c93d)}.value-card:hover{box-shadow:0 25px 60px #667eea33;transform:translateY(-10px)}.value-icon{display:block;font-size:3rem;margin-bottom:1.5rem}.value-card h3{color:#2d3748;font-size:1.3rem;font-weight:600;margin-bottom:1rem}.value-card p{color:#718096;font-size:1rem;line-height:1.6}@media (max-width:768px){.about-content{padding:2rem 1rem}.mission-section,.team-section{padding:2rem}.features-grid,.values-grid{grid-template-columns:1fr}.team-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}}.courses-container{box-sizing:border-box;margin:0;max-width:100%;min-height:100vh;padding:20px}.courses-header{margin-bottom:40px;text-align:center}.courses-header h1{color:#fff;font-size:2.5rem;font-weight:700;margin-bottom:10px;text-shadow:0 3px 6px #0006,0 1px 3px #0003}.courses-header p{color:#fffffff2;font-size:1.2rem;font-weight:400;margin-bottom:0;text-shadow:0 2px 4px #0000004d}.categories-grid{grid-gap:30px;display:grid;gap:30px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin-bottom:40px;padding:0 20px}.category-card{background:#fff;border-radius:12px;box-shadow:0 4px 6px #0000001a;color:inherit;cursor:pointer;padding:25px;text-align:center;text-decoration:none;transition:transform .3s ease,box-shadow .3s ease}.category-card:hover{box-shadow:0 8px 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#00000026;transform:translateY(-3px)}.program-image{align-items:center;background-color:#f0f0f0;border:2px dashed #ddd;border-radius:50%;color:#999;display:flex;font-size:12px;height:80px;justify-content:center;margin:0 auto 15px;width:80px}.program-image img{border-radius:50%;height:100%;object-fit:cover;width:100%}.program-title{color:#3b2f63;font-size:1.3rem;font-weight:600;margin-bottom:10px}.program-description{color:#5b5f97;font-size:.9rem;line-height:1.5}.courses-list{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));padding:0 20px}.course-card{background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a;cursor:pointer;padding:15px;transition:transform .3s ease,box-shadow .3s ease}.course-card,.course-card:hover{color:inherit;text-decoration:none}.course-card:hover{box-shadow:0 4px 8px #00000026;transform:translateY(-2px)}.course-title{color:#3b2f63;font-size:1.1rem;font-weight:600;margin-bottom:8px}.course-description{color:#5b5f97;font-size:.85rem;line-height:1.4}.back-button{border:2px solid #3b2f63;border-radius:6px;color:#3b2f63;font-weight:500;margin-bottom:20px;padding:8px 16px}.back-button:hover{background-color:#3b2f63;color:#fff;text-decoration:none}.back-button svg{margin-right:8px}.breadcrumb{color:#5b5f97;font-size:.9rem}.breadcrumb a{color:#3b2f63}.topics-list{display:flex;flex-direction:column;gap:20px;padding:0 20px}.topic-card{align-items:center;background:#fff;border-radius:10px;box-shadow:0 3px 6px #0000001a;display:flex;justify-content:space-between;padding:20px;transition:transform .3s ease,box-shadow .3s ease}.topic-card:hover{box-shadow:0 6px 12px #00000026;transform:translateY(-2px)}.topic-info{flex:1 1;margin-right:20px}.topic-title{color:#3b2f63;font-size:1.3rem;font-weight:600;margin-bottom:8px}.topic-description{color:#5b5f97;font-size:.95rem;line-height:1.5;margin-bottom:0}.topic-actions{display:flex;flex-shrink:0;gap:10px}.action-button{border:2px solid #0000;border-radius:6px;font-size:.9rem;font-weight:500;gap:6px;padding:8px 16px}.action-button:hover{transform:translateY(-1px)}.explore-btn{background-color:#28a745;border-color:#28a745;color:#fff}.explore-btn:hover{background-color:#218838;border-color:#1e7e34;color:#fff}.flashcards-btn{background-color:#6f42c1;border-color:#6f42c1;color:#fff}.flashcards-btn:hover{background-color:#5a32a3;border-color:#4e2a8e;color:#fff}.relaxed-quiz-btn{border-color:#17a2b8}.timed-quiz-btn{border-color:#dc3545}@media (max-width:768px){.topic-card{align-items:flex-start;flex-direction:column}.topic-info{margin-bottom:15px;margin-right:0}.topic-actions{justify-content:center;width:100%}.action-button{flex:1 1;font-size:.8rem;justify-content:center;padding:8px 12px}}@media (max-width:480px){.topic-actions{flex-direction:column;gap:8px}.action-button{width:100%}}@media (min-width:1200px){.categories-grid{grid-template-columns:repeat(3,1fr)}.categories-grid,.programs-grid{margin:0 auto 40px;max-width:1400px}.programs-grid{grid-template-columns:repeat(4,1fr)}.courses-list{grid-template-columns:repeat(4,1fr)}.courses-list,.topics-list{margin:0 auto;max-width:1400px}}@media (min-width:1600px){.categories-grid{grid-template-columns:repeat(4,1fr)}.courses-list,.programs-grid{grid-template-columns:repeat(5,1fr)}}.profile-container{background:#f8fafc;box-sizing:border-box;margin:0;max-width:100%;min-height:100vh;padding:20px}.profile-header{align-items:center;background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;display:flex;gap:20px;margin-bottom:30px;padding:30px}.profile-picture-container{display:inline-block;position:relative}.profile-picture-upload-btn{align-items:center;background:#3b82f6;border:2px solid #fff;border-radius:50%;bottom:-5px;box-shadow:0 2px 4px #0003;color:#fff;cursor:pointer;display:flex;font-size:12px;height:28px;justify-content:center;position:absolute;right:-5px;transition:all .2s ease;width:28px}.profile-picture-upload-btn:hover{background:#2563eb;transform:scale(1.05)}.profile-picture-upload-btn:active{transform:scale(.95)}.profile-header-info{flex:1 1}.profile-header-info h1{color:#1f2937;font-size:2rem;font-weight:700;margin:0 0 5px}.profile-email{color:#6b7280;font-size:1.1rem;margin:0 0 8px}.profile-account-id{background:#f3f4f6;border-radius:4px;color:#9ca3af;font-family:Courier New,monospace;font-size:.9rem;padding:4px 8px}.profile-actions{display:flex;gap:10px;margin-top:20px}.profile-content{background:#fff;border-radius:12px;box-shadow:0 2px 8px #0000001a;overflow:hidden}.profile-form{padding:30px}.profile-section{border-bottom:1px solid #e5e7eb;margin-bottom:40px;padding-bottom:30px}.profile-section:last-child{border-bottom:none;margin-bottom:0}.profile-section h2{border-bottom:2px solid #e0e7ff;color:#1f2937;font-size:1.5rem;font-weight:600;margin-bottom:20px;padding-bottom:10px}.profile-section h3{color:#374151;font-size:1.2rem;font-weight:500;margin:25px 0 15px}.form-row{grid-gap:20px;gap:20px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.form-group label{color:#374151;font-size:.9rem}.form-control{border:1px solid #d1d5db;border-radius:6px;font-size:1rem;padding:12px;transition:border-color .2s,box-shadow .2s;width:100%}.form-control:focus{border-color:#3b82f6;box-shadow:0 0 0 3px 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(max-width:768px){.profile-container{padding:10px}.profile-header{flex-direction:column;padding:20px;text-align:center}.profile-header-info h1{font-size:1.5rem}.profile-form{padding:20px}.form-row{grid-template-columns:1fr}.profile-actions{flex-direction:column}}.premium-plans-container{margin:0 auto;max-width:1200px;min-height:100vh;padding:20px}.premium-plans-header{margin-bottom:50px;text-align:center}.premium-plans-header h1{color:#1a252f;font-size:2.5rem;font-weight:700;margin-bottom:15px}.premium-plans-header p{color:#2c3e50;font-size:1.2rem;font-weight:500}.plans-grid{grid-gap:30px;display:grid;gap:30px;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));margin-bottom:60px}.plan-card{background:#fff;border:2px solid #e2e8f0;border-radius:15px;box-shadow:0 4px 20px #0000001a;cursor:pointer;overflow:hidden;padding:30px;position:relative;transition:all .3s ease}.plan-card:hover{box-shadow:0 8px 30px #00000026;transform:translateY(-5px)}.plan-card.selected{background:linear-gradient(135deg,#f8fbff,#e3f2fd);border-color:#3498db}.plan-card.popular{border-color:#e74c3c}.plan-card.best-value{border-color:#27ae60}.plan-badge{border-radius:20px;font-size:.8rem;font-weight:700;letter-spacing:.5px;padding:5px 12px;position:absolute;right:15px;text-transform:uppercase;top:15px}.plan-badge.popular{background:#e74c3c;color:#fff}.plan-badge.best-value{background:#27ae60;color:#fff}.plan-badge.current{background:#3498db;color:#fff}.plan-header{margin-bottom:30px;text-align:center}.plan-header h3{color:#1a252f;font-size:1.8rem;font-weight:700;margin-bottom:15px}.plan-price{align-items:center;display:flex;gap:5px;justify-content:center;margin-bottom:10px}.original-price{color:#95a5a6;font-size:1.1rem;text-decoration:line-through}.price{color:#2c3e50;font-size:2.5rem;font-weight:700}.period{color:#7f8c8d;font-size:1.1rem;font-weight:500}.savings{color:#27ae60;font-size:.9rem;font-weight:700}.plan-features{margin-bottom:30px}.plan-features h4{color:#1a252f;font-size:1.1rem;font-weight:600;margin-bottom:15px}.plan-features ul{list-style:none;margin:0;padding:0}.plan-features li{align-items:center;color:#2c3e50;display:flex;font-weight:500;gap:10px;margin-bottom:10px}.check-icon{color:#27ae60;flex-shrink:0}.x-icon{color:#e74c3c;flex-shrink:0}.plan-limitations{margin-top:20px}.plan-limitations h4{color:#e74c3c;font-size:1rem;font-weight:600;margin-bottom:10px}.plan-limitations ul{list-style:none;margin:0;padding:0}.plan-limitations 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p{color:#2c3e50;font-weight:500;line-height:1.6}.plan-actions{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;margin-bottom:50px}.btn{font-size:1.1rem;min-width:180px}.btn-large{font-size:1.2rem;padding:18px 40px}.premium-faq{background:#fff;border-radius:15px;box-shadow:0 2px 15px #0000001a;padding:40px}.premium-faq h2{color:#1a252f;font-size:1.8rem;font-weight:700;margin-bottom:30px;text-align:center}.faq-item{border-bottom:1px solid #e2e8f0;margin-bottom:25px;padding-bottom:20px}.faq-item:last-child{border-bottom:none}.faq-item h3{color:#1a252f;font-size:1.2rem;font-weight:600;margin-bottom:10px}.faq-item p{color:#2c3e50;font-weight:500;line-height:1.6}@media (max-width:768px){.premium-plans-container{padding:15px}.premium-plans-header h1{font-size:2rem}.plans-grid{gap:20px;grid-template-columns:1fr}.plan-card{padding:20px}.plan-header h3{font-size:1.5rem}.price{font-size:2rem}.premium-benefits{padding:30px 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h2{color:#1a252f;font-size:1.5rem;font-weight:700;margin-bottom:20px;text-align:center}.info-row{align-items:center;border-bottom:1px solid #f1f3f4;display:flex;justify-content:space-between;padding:12px 0}.info-row:last-child{border-bottom:none}.info-row span:first-child{color:#7f8c8d;font-weight:500}.info-row span:last-child{color:#2c3e50;font-weight:600}.status-success{color:#27ae60!important;font-weight:700!important}.steps-list{display:flex;flex-direction:column;gap:20px}.step-item{align-items:flex-start;display:flex;gap:15px}.step-number{background:#3498db;font-size:.9rem;height:30px;width:30px}.step-content h3{color:#1a252f;font-size:1.1rem;font-weight:600;margin-bottom:5px}.step-content p{color:#7f8c8d;font-size:.9rem;line-height:1.4;margin:0}.premium-features{background:#f8f9fa;border-radius:15px;margin-bottom:40px;padding:40px}.premium-features 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h2{color:#1a252f;font-size:1.8rem;font-weight:700;margin-bottom:30px}.tips-grid{grid-gap:25px;display:grid;gap:25px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.tip-item{background:#fff;border-radius:10px;box-shadow:0 2px 10px #0000001a;padding:20px;text-align:center}.tip-icon{font-size:2rem;margin-bottom:10px}.tip-item h3{color:#1a252f;font-size:1.1rem;font-weight:600;margin-bottom:10px}.tip-item p{color:#7f8c8d;font-size:.9rem;line-height:1.4;margin:0}.subscription-status{background:#e8f5e8;border-radius:15px;margin-bottom:40px;padding:30px}.subscription-status h2{color:#1a252f;font-size:1.6rem;font-weight:700;margin-bottom:20px}.status-card{grid-gap:20px;background:#fff;border-radius:10px;display:grid;gap:20px;grid-template-columns:1fr 1fr;padding:20px;text-align:left}.status-info h3{color:#1a252f;font-size:1.1rem;font-weight:600;margin-bottom:10px}.plan-name{color:#27ae60;font-size:1.3rem;font-weight:700;margin-bottom:5px;text-transform:capitalize}.plan-status{color:#7f8c8d;font-size:.9rem;margin:0}.status-message p{color:#27ae60;font-weight:500;margin-bottom:8px}.status-message p:last-child{margin-bottom:0}.common-solutions{background:#fff;border-radius:15px;box-shadow:0 4px 20px #0000001a;margin-bottom:40px;padding:40px;text-align:left}.common-solutions h2{color:#1a252f;font-size:1.8rem;font-weight:700;margin-bottom:30px;text-align:center}.solutions-list{grid-gap:25px;display:grid;gap:25px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.solution-item{background:#f8f9fa;border-radius:10px;padding:20px}.solution-item h3{color:#1a252f;font-size:1.2rem;font-weight:600;margin-bottom:15px}.solution-item ul{list-style:none;margin:0;padding:0}.solution-item 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