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h2{font-size:1.5rem;margin-bottom:20px;text-align:center}.error-message{background-color:#dc35451a;border-radius:5px;color:#dc3545;color:var(--error-color);font-size:.9rem;margin-bottom:15px;padding:10px}.login-button,.register-button{font-size:1rem;margin-top:10px;padding:12px;width:100%}.auth-footer{text-align:center}.auth-footer,.demo-credentials{font-size:.9rem;margin-top:20px}.demo-credentials{color:#666;color:var(--text-light)}.dashboard-header{background-color:#fff;background-color:var(--white);box-shadow:0 2px 4px #0000000d;padding:0 20px}.header-content{align-items:center;display:flex;height:70px;justify-content:space-between}.main-nav ul{display:flex;gap:20px;list-style:none}.user-section{align-items:center;display:flex;gap:15px}.user-name{font-weight:500}.logout-button{font-size:.9rem;padding:8px 15px}.dashboard-main{padding:30px 0}.welcome-section{margin-bottom:30px}.user-name-heading{color:#4a4fe0;color:var(--primary-color)}.subtitle{color:#666;color:var(--text-light);font-size:1.1rem;margin-top:5px}.practice-section{margin-bottom:40px}.section-title{display:inline-block;font-size:1.5rem;margin-bottom:20px;position:relative}.section-title:after{background-image:linear-gradient(45deg,#4a4fe0,#8286f8);border-radius:3px;bottom:-5px;content:"";height:3px;left:0;position:absolute;width:100%}.category-card{background-color:#fff;background-color:var(--white);border-radius:10px;box-shadow:0 2px 10px #0000001a;box-shadow:0 2px 10px var(--shadow-color);margin-bottom:30px;padding:20px}.category-card h3{color:#2d32d5;color:var(--primary-dark);font-size:1.3rem;margin-bottom:15px}.practice-modules{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.practice-module-card{border:1px solid #dadce0;border:1px solid var(--border-color);border-radius:8px;padding:15px}.practice-module-card h4{border-bottom:1px solid #dadce0;border-bottom:1px solid var(--border-color);color:#333;color:var(--text-color);margin-bottom:15px;padding-bottom:8px}.module-sections{display:flex;flex-direction:column;gap:10px}.module-section{align-items:center;border-radius:5px;display:flex;justify-content:space-between;padding:10px;transition:background-color .3s ease}.module-section:hover:not(.disabled){background-color:#4a4fe01a}.section-name{font-weight:500}.section-progress{color:#666;color:var(--text-light);font-size:.9rem}.module-section.disabled{cursor:not-allowed;opacity:.6}.premium-cta-section{margin-top:40px}.premium-cta-card{align-items:center;background-image:linear-gradient(45deg,#f8f9fa,#e9e9ec);border-radius:10px;box-shadow:0 2px 10px #0000001a;box-shadow:0 2px 10px var(--shadow-color);display:flex;gap:30px;padding:30px}.premium-cta-content{flex:1 1}.premium-cta-content h3{color:#2d32d5;color:var(--primary-dark);font-size:1.5rem;margin-bottom:10px}.premium-cta-content p{font-size:1.1rem;margin-bottom:20px}.premium-cta-image{display:flex;flex:1 1;justify-content:center}.premium-cta-button{font-size:1rem;padding:12px 25px}.not-found-page{align-items:center;display:flex;justify-content:center;min-height:100vh;text-align:center}.not-found-container{max-width:500px;padding:20px}.not-found-title{-webkit-background-clip:text;background-clip:text;background-image:linear-gradient(45deg,#4a4fe0,#fb6b6b);color:#0000;font-size:6rem;font-weight:700;margin:0}.not-found-subtitle{font-size:2rem;margin-bottom:20px}.not-found-message{color:#666;color:var(--text-light);font-size:1.1rem;margin-bottom:30px}.not-found-button{font-size:1.1rem;padding:12px 30px}.reading-writing-page{display:flex;flex-direction:column;min-height:100vh}.reading-writing-page header{align-items:center;background-color:#fff;background-color:var(--white);box-shadow:0 2px 4px 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ease}.question-block.correct{background-color:#28a7450d;border-color:#28a745;border-color:var(--success-color)}.question-block.incorrect{background-color:#dc35450d;border-color:#dc3545;border-color:var(--error-color)}.question-text{font-size:1.1rem;line-height:1.6;margin-bottom:20px}.options-list{list-style-type:none;margin-bottom:20px}.option-item{border:1px solid #dadce0;border:1px solid var(--border-color);border-radius:5px;margin-bottom:10px;padding:12px 15px;transition:all .3s ease}.option-item:hover{background-color:#4a4fe00d}.option-label{align-items:center;cursor:pointer;display:flex;width:100%}.option-label input{margin-right:10px;width:auto}.option-letter{background-color:#e9e9ec;background-color:var(--background-dark);border-radius:50%;color:#333;color:var(--text-color);display:inline-block;font-weight:600;height:25px;line-height:25px;margin-right:12px;text-align:center;width:25px}.correct-option{background-color:#28a7451a;border-color:#28a745;border-color:var(--success-color)}.incorrect-option{background-color:#dc35451a;border-color:#dc3545;border-color:var(--error-color)}.answer-details{border-top:1px solid #dadce0;border-top:1px solid var(--border-color);margin-top:20px;padding-top:20px}.explanation-title{color:#2d32d5;color:var(--primary-dark);margin-bottom:15px}.explanation-line{margin-bottom:10px}.navigation-buttons{display:flex;justify-content:space-between;margin-top:20px}.navigation-button{align-items:center;border-radius:5px;display:flex;font-weight:500;padding:10px 20px}.button-icon{margin:0 5px}.final-buttons{display:flex;gap:15px;margin-left:auto}.loading-container{align-items:center;background-color:#fff;background-color:var(--white);display:flex;flex-direction:column;height:100vh;justify-content:center}.loading-text{font-size:2rem;font-weight:700;margin-bottom:20px}.dot{animation:dot-animation 1.5s infinite;opacity:0}.dot:first-child{animation-delay:0s}.dot:nth-child(2){animation-delay:.5s}.dot:nth-child(3){animation-delay:1s}@keyframes dot-animation{0%,to{opacity:0}50%{opacity:1}}.slogans{color:#666;color:var(--text-light);text-align:center}.overlay{align-items:center;background-color:#000000b3;display:flex;height:100%;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:1000}.overlay-content{background-color:#fff;background-color:var(--white);border-radius:10px;max-width:600px;padding:30px;text-align:center;width:90%}.welcome-title{color:#4a4fe0;color:var(--primary-color);font-size:1.5rem;margin-bottom:20px}.instruction-list{margin:20px 0;padding-left:20px;text-align:left}.instruction-list li{margin-bottom:10px}.continue-button{font-size:1rem;margin-top:20px;padding:12px 30px}.profile-main{padding:30px 0}.profile-header-section{margin-bottom:30px}.profile-tabs{border-bottom:1px solid #dadce0;border-bottom:1px solid var(--border-color);display:flex;gap:15px;margin-top:20px;padding-bottom:10px}.profile-tab{background:none;border:none;color:#666;color:var(--text-light);cursor:pointer;font-size:1rem;font-weight:500;padding:8px 15px;transition:all .3s ease}.profile-tab.active,.profile-tab:hover{color:#4a4fe0;color:var(--primary-color)}.profile-tab.active{border-bottom:2px solid #4a4fe0;border-bottom:2px solid var(--primary-color)}.profile-stats-grid{grid-gap:20px;display:grid;gap:20px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));margin-bottom:30px}.profile-stat-card{background-color:#fff;background-color:var(--white);border-radius:10px;box-shadow:0 2px 8px 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