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h1{font-size:2.2rem;font-weight:800;margin-bottom:1rem;color:var(--text-primary)}.pricing-header p{font-size:1.1rem;color:var(--text-secondary);max-width:600px;margin:0 auto}.pricing-grid{display:grid;grid-template-columns:1fr;gap:2rem;max-width:1400px;margin:0 auto;align-items:center}.pricing-card{text-align:center;padding:2.5rem 2rem;position:relative;overflow:hidden;background-color:var(--background-secondary);border:1px solid var(--border-color);transition:transform .2s ease,border-color .3s ease,background-color .3s ease;border-radius:15px}.pricing-card.popular{border-color:var(--achievement-primary);transform:scale(1)}.popular-badge{position:absolute;top:18px;right:-30px;background-color:var(--achievement-primary);color:#fff;padding:.5rem 2rem;transform:rotate(45deg);font-size:.9rem;font-weight:700}.pricing-card 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1201px){.pricing-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}}.about-container{padding:0 0 4rem}.about-header{text-align:center;padding:2.5rem 1.5rem;background-color:var(--background-secondary);border-bottom:1px solid var(--border-color);transition:background-color .3s ease,border-color .3s ease}.about-header h1{font-size:2.2rem;font-weight:800;margin-bottom:1rem;color:var(--text-primary)}.about-header p{font-size:1.1rem;color:var(--text-secondary);max-width:700px;margin:0 auto;line-height:1.7}.methodology-section{max-width:900px;margin:3rem auto 0;padding:0 1.5rem}.methodology-step{display:flex;margin-bottom:3rem;flex-direction:column;align-items:center;text-align:center}.methodology-step:last-child{margin-bottom:0}.step-icon{font-size:2.5rem;background-color:var(--background-secondary);border:1px solid var(--border-color);border-radius:50%;width:70px;height:70px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background-color .3s ease,border-color .3s ease;margin-left:0;margin-bottom:1.5rem}.step-content h2{font-size:1.5rem;font-weight:700;margin-top:0;margin-bottom:.5rem;color:var(--achievement-primary)}.step-content p{font-size:1rem;line-height:1.8;color:var(--text-secondary)}@media (min-width: var(--breakpoint-md)){.about-header{padding:4rem 2rem}.about-header h1{font-size:2.8rem}.about-header p{font-size:1.2rem}.methodology-section{margin-top:4rem;padding:0 2rem}.methodology-step{flex-direction:row;align-items:flex-start;text-align:right}.step-icon{font-size:3rem;width:80px;height:80px;margin-left:2rem;margin-bottom:0}.step-content h2{font-size:1.8rem}.step-content p{font-size:1.1rem}}.input{display:block;width:100%;padding:.75rem 1rem;font-size:1rem;font-weight:400;line-height:1.5;box-sizing:border-box;color:var(--text-primary);background-color:var(--background-secondary);border:1px solid var(--border-color);border-radius:8px;transition:border-color .15s ease-in-out,box-shadow .15s ease-in-out,background-color .3s ease,color .3s ease}.input.has-error{border-color:var(--color-accent)}.input:focus{border-color:var(--color-primary);outline:0;box-shadow:0 0 0 .2rem var(--shadow-color)}.input:focus.has-error{border-color:var(--color-accent);box-shadow:0 0 0 .2rem #dc354540}.input:disabled{background-color:var(--border-color);opacity:1;cursor:not-allowed}.input-wrapper{position:relative;width:100%}.input-wrapper .input{padding-right:2.5rem}.password-toggle-icon{position:absolute;top:50%;right:.75rem;transform:translateY(-50%);cursor:pointer;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:color .2s 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.headline{font-size:1.3rem}.course-main-content{flex-direction:row;padding:2rem;gap:2rem}.course-sidebar-col{position:sticky;top:100px}}.avatar-component-container{display:inline-block}.avatar-display{width:50px;height:50px;background-color:#e2e8f0;border-radius:50%;display:flex;align-items:center;justify-content:center;border:2px solid #a0aec0;cursor:pointer;transition:transform .2s}.avatar-display:hover{transform:scale(1.1)}.avatar-emoji-display{font-size:2rem;line-height:1}:root{--glass-bg: rgba(255, 255, 255, .8);--glass-border: rgba(255, 255, 255, .5);--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .1)}.page-container{background-color:#f0f2f5;background-image:linear-gradient(120deg,#fdfbfb,#ebedee);min-height:100vh;padding-top:80px;color:#333}.adventure-dashboard-layout{max-width:1200px;margin:0 auto;padding:2rem}.hero-status-card{background:var(--glass-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:24px;padding:2rem;margin-bottom:3rem;box-shadow:var(--glass-shadow);display:flex;flex-direction:column;align-items:center;position:relative;overflow:hidden}.hero-status-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:8px;background:var(--rank-gradient, linear-gradient(90deg, #ccc, #eee))}.profile-section{display:flex;align-items:center;gap:1.5rem;width:100%;margin-bottom:2rem}.welcome-text h1{margin:0;font-size:2rem;color:#1a202c}.welcome-text .rank-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem 1rem;border-radius:20px;font-size:1rem;font-weight:700;color:#fff;margin-top:.5rem;background:var(--rank-gradient);box-shadow:0 4px 15px #00000026;text-shadow:0 1px 2px rgba(0,0,0,.2)}.stats-row{display:flex;gap:1.5rem;width:100%}.stat-box{flex:1;background:#fff;border-radius:16px;padding:1.5rem;display:flex;align-items:center;justify-content:space-between;box-shadow:0 4px 6px #0000000d;border:1px solid #e2e8f0;transition:all .3s ease;text-decoration:none;color:inherit}.stat-box.xp{border-bottom:4px solid #805ad5}.stat-box.coins{border-bottom:4px solid #d69e2e}.stat-box.interactive{cursor:pointer;position:relative;overflow:hidden}.stat-box.interactive:hover{transform:translateY(-5px);box-shadow:0 10px 20px #d69e2e33;border-color:#d69e2e;background-color:#fffaf0}.stat-box.interactive:after{content:"⇦";position:absolute;left:10px;top:50%;transform:translateY(-50%);opacity:0;transition:opacity .3s,left 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0}to{background-position:-200% 0}}.section-header{margin-bottom:1.5rem;border-right:5px solid var(--primary-color);padding-right:1rem}.section-header h2{font-size:1.6rem;color:#2d3748;margin:0}.lessons-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.empty-state-card{text-align:center;padding:3rem;background:#fff;border-radius:16px;color:#718096;border:2px dashed #cbd5e0}@media (max-width: 768px){.profile-section{flex-direction:column;text-align:center}.stats-row{flex-direction:column}.stat-box.interactive:after{display:none}}:root{--ach-bg: #F7F7F5;--ach-surface: #FFFFFF;--ach-border: #E0E0E0;--ach-text-primary: #37352F;--ach-text-secondary: #787774;--ach-accent: #2D3748;--ach-highlight: #E3E2E0}.achievement-dashboard-container{background-color:var(--ach-bg);min-height:100vh;padding:2rem;font-family:Cairo,sans-serif;color:var(--ach-text-primary)}.achievement-header-pro{display:flex;justify-content:space-between;align-items:center;margin-bottom:3rem;padding-bottom:1.5rem;border-bottom:1px solid var(--ach-border)}.user-identity{display:flex;align-items:center;gap:1.5rem}.profile-placeholder{width:64px;height:64px;background-color:var(--ach-accent);color:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;font-weight:700;box-shadow:0 4px 12px #0000001a}.user-text h1{font-size:1.8rem;margin:0;font-weight:700}.user-text .academic-status{font-size:.95rem;color:var(--ach-text-secondary);margin-top:.25rem;display:flex;align-items:center;gap:.5rem}.status-dot{width:8px;height:8px;background-color:#2ecc71;border-radius:50%;display:inline-block}.stats-strip{display:flex;gap:2rem}.mini-stat{text-align:center;padding:0 1rem;border-left:1px solid var(--ach-border)}.mini-stat:last-child{border-left:none}.mini-stat .label{font-size:.8rem;color:var(--ach-text-secondary);text-transform:uppercase;letter-spacing:.5px}.mini-stat .value{font-size:1.2rem;font-weight:700;color:var(--ach-accent)}.bento-grid{display:grid;grid-template-columns:2fr 1fr;gap:1.5rem}.bento-col{display:flex;flex-direction:column;gap:1.5rem}.ach-card{background:var(--ach-surface);border:1px solid var(--ach-border);border-radius:8px;padding:1.5rem;transition:box-shadow .2s ease}.ach-card:hover{box-shadow:0 4px 12px #0000000d}.ach-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem;padding-bottom:.75rem;border-bottom:1px solid var(--ach-border)}.ach-card-header h3{font-size:1.1rem;font-weight:600;margin:0;display:flex;align-items:center;gap:.5rem}.icon-box{width:24px;height:24px;background:var(--ach-highlight);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:.9rem}.task-list{list-style:none;padding:0;margin:0}.task-item{display:flex;align-items:center;justify-content:space-between;padding:1rem;border:1px solid var(--ach-border);border-radius:6px;margin-bottom:.75rem;background-color:#fff;transition:transform .2s}.task-item:hover{transform:translate(-5px);border-color:var(--ach-accent)}.task-info h4{margin:0 0 .25rem;font-size:1rem}.task-meta{font-size:.85rem;color:var(--ach-text-secondary)}.task-action-btn{background:var(--ach-accent);color:#fff;border:none;padding:.5rem 1rem;border-radius:4px;font-size:.9rem;cursor:pointer}.linear-progress{width:100%;height:6px;background:var(--ach-highlight);border-radius:3px;margin-top:.5rem;overflow:hidden}.linear-progress-bar{height:100%;background:var(--ach-accent)}@media (max-width: 768px){.achievement-header-pro{flex-direction:column;align-items:flex-start;gap:1.5rem}.stats-strip{width:100%;justify-content:space-between}.bento-grid{grid-template-columns:1fr}}.quiz-runner-container{background:var(--surface-color);padding:2rem;border-radius:12px;box-shadow:0 4px 15px #0000000d;text-align:center;max-width:600px;margin:0 auto}.quiz-progress{color:var(--text-secondary);font-size:.9rem;margin-bottom:1.5rem}.question-display h3{font-size:1.4rem;margin-bottom:2rem;color:var(--text-primary)}.answers-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:2rem}.answer-btn{padding:1.5rem;font-size:1.2rem;border:2px solid var(--border-color);border-radius:12px;background:var(--background-color);cursor:pointer;transition:all .2s ease}.answer-btn:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 5px 15px #0000001a}.answer-btn.correct{background-color:#c6f6d5;border-color:#48bb78;color:#22543d}.answer-btn.wrong{background-color:#fed7d7;border-color:#f56565;color:#742a2a}.feedback-msg{font-weight:700;margin-bottom:1rem;font-size:1.1rem}.quiz-result-card{text-align:center;padding:2rem;background:#fff;border-radius:12px}.quiz-score-bar{height:10px;background:#eee;border-radius:5px;margin-top:1rem;overflow:hidden}.score-fill{height:100%;background:var(--primary-color);transition:width 1s ease-out}.lesson-page-container{max-width:1000px;margin:0 auto;padding:2rem;min-height:80vh}.lesson-header{margin-bottom:2rem;border-bottom:1px solid var(--border-color);padding-bottom:1rem}.back-link{display:inline-block;margin-bottom:.5rem;color:var(--text-secondary);text-decoration:none;font-weight:700}.subject-badge{background:#e2e8f0;padding:.2rem .8rem;border-radius:15px;font-size:.9rem;color:#4a5568}.lesson-tabs{display:flex;gap:1rem;margin-bottom:2rem;border-bottom:1px solid var(--border-color)}.tab-btn{padding:1rem;background:none;border:none;border-bottom:3px solid transparent;cursor:pointer;font-weight:700;color:var(--text-secondary);font-size:1.1rem}.tab-btn.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.actions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.action-card{background:var(--surface-color);padding:2rem;border-radius:12px;box-shadow:0 4px 6px #0000000d;border:1px solid var(--border-color);text-align:center}.action-card h3{margin-top:0;margin-bottom:.5rem}.action-card p{color:var(--text-secondary);margin-bottom:1.5rem}.action-card.live{border-top:4px solid #e53e3e}.action-card.pdf{border-top:4px solid #3182ce}.completed-lesson-page{padding:2rem;max-width:900px;margin:0 auto;background-color:var(--background-primary);min-height:100vh}.back-link{display:inline-block;margin-bottom:1.5rem;color:var(--text-secondary);text-decoration:none;font-weight:700}.completed-header{text-align:center;margin-bottom:3rem}.subject-tag{display:inline-block;background-color:#e9d8fd;color:#5b21b6;padding:6px 14px;border-radius:16px;font-size:.9rem;font-weight:600;margin-bottom:1rem}.main-title{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin:0 0 1rem}.completion-badge{background-color:#c6f6d5;color:#22543d;display:inline-block;padding:.5rem 1rem;border-radius:8px;font-weight:700;border:1px solid #9ae6b4}.lesson-description{font-size:1.1rem;color:var(--text-secondary);line-height:1.8;margin-bottom:3rem;text-align:center}.feedback-section{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-bottom:3rem}.feedback-card{background:var(--surface-color);padding:1.5rem;border-radius:12px;box-shadow:0 4px 6px #0000000d;border:1px solid var(--border-color)}.feedback-card h3{margin-top:0;font-size:1.1rem;margin-bottom:1rem;color:var(--text-primary)}.feedback-card p{color:var(--text-secondary);font-style:italic}.feedback-card.score{border-top:4px solid #ecc94b;text-align:center}.score-value{font-size:2rem;font-weight:800;color:#d69e2e!important;font-style:normal!important}.feedback-card.notes{border-top:4px solid #4299e1}.feedback-card.general{border-top:4px solid #a0aec0}.materials-section{border-top:1px solid var(--border-color);padding-top:2rem}.materials-section .section-title{font-size:1.5rem;font-weight:700;margin-bottom:1.5rem;color:var(--text-primary)}.material-link{display:flex;align-items:center;gap:1rem;background-color:var(--background-secondary);padding:1rem;border-radius:12px;border:1px solid var(--border-color);text-decoration:none;color:inherit;transition:all .2s ease-in-out}.material-link:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000014;border-color:var(--primary-color)}.material-link .file-name{flex-grow:1;font-weight:600}.material-link .download-icon{color:var(--primary-color);font-weight:700}.results-page-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background-color:#f0f4f8}.results-card{background:#fff;padding:3rem 4rem;border-radius:20px;text-align:center;box-shadow:0 10px 30px #0000001a;border:1px solid #e2e8f0}.results-title{font-size:2.5rem;color:#2d3748}.results-subtitle{font-size:1.2rem;color:#4a5568;margin-top:-.5rem}.rewards-container{display:flex;gap:2rem;margin:2.5rem 0}.reward-item{flex:1;padding:1.5rem;border-radius:12px}.reward-item.xp{background-color:#ebf8ff;border:2px solid #90cdf4}.reward-item.coins{background-color:#fffaf0;border:2px solid #f6e05e}.reward-label{display:block;font-size:1rem;font-weight:600;color:#718096}.reward-value{display:block;font-size:2.5rem;font-weight:700;margin-top:.5rem}.reward-item.xp .reward-value{color:#2b6cb0}.reward-item.coins .reward-value{color:#b7791f}.back-to-dash-btn{padding:.8rem 2.5rem;font-size:1.1rem;font-weight:600;color:#fff;background-color:#38a169;border:none;border-radius:12px;cursor:pointer;transition:background-color .2s}.back-to-dash-btn:hover{background-color:#2f855a}.shop-page-container{padding-top:80px;min-height:100vh;background-color:#f8f9fa;background-image:radial-gradient(#e2e8f0 1px,transparent 1px);background-size:20px 20px}.shop-layout{max-width:1000px;margin:0 auto;padding:2rem}.shop-header{text-align:center;margin-bottom:3rem}.shop-header h1{font-size:2.5rem;color:#2d3748;margin-bottom:.5rem}.shop-balance-card{display:inline-flex;align-items:center;gap:1rem;background:#fff;padding:.5rem 1.5rem;border-radius:50px;box-shadow:0 4px 15px #0000001a;font-size:1.2rem;font-weight:700;color:#d69e2e}.avatars-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:2rem}.avatar-card{background:#fff;border-radius:20px;padding:1.5rem;text-align:center;position:relative;transition:all .3s cubic-bezier(.4,0,.2,1);border:2px solid transparent;box-shadow:0 4px 6px #0000000d;overflow:hidden}.avatar-card:hover{transform:translateY(-10px);box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.avatar-card.rarity-common{border-color:#cbd5e0}.avatar-card.rarity-rare{border-color:#4fd1c5;box-shadow:0 0 15px #4fd1c533}.avatar-card.rarity-legendary{border-color:#ecc94b;box-shadow:0 0 20px #ecc94b4d;background:linear-gradient(to bottom right,#fff,#fffbf0)}.avatar-emoji-wrapper{font-size:5rem;margin-bottom:1rem;transition:transform .3s}.avatar-card:hover .avatar-emoji-wrapper{transform:scale(1.2) rotate(5deg)}.rarity-badge{position:absolute;top:10px;right:10px;font-size:.7rem;padding:2px 8px;border-radius:10px;font-weight:700;text-transform:uppercase;color:#fff}.rarity-badge.common{background-color:#a0aec0}.rarity-badge.rare{background-color:#38b2ac}.rarity-badge.legendary{background-color:#d69e2e}.action-btn{width:100%;padding:.8rem;border-radius:12px;border:none;font-weight:700;cursor:pointer;transition:all .2s}.action-btn.buy{background:#3182ce;color:#fff}.action-btn.buy:hover:not(:disabled){background:#2c5282}.action-btn.select{background:#48bb78;color:#fff}.action-btn:disabled{background:#e2e8f0;color:#a0aec0;cursor:not-allowed}.price-tag{display:flex;align-items:center;justify-content:center;gap:.5rem}.loading-dots{display:inline-block;animation:pulse 1.5s infinite;font-size:1.5rem;color:var(--primary-color);margin:0 .5rem}@keyframes pulse{0%{opacity:.3}50%{opacity:1}to{opacity:.3}}.balance-value{min-width:40px;text-align:center;display:inline-block}.teacher-dashboard{max-width:1200px;margin:2rem auto;padding:2rem;font-family:Cairo,sans-serif}.dashboard-header h1{font-size:2.5rem;border-bottom:2px solid var(--border-color);padding-bottom:1rem;margin-bottom:2rem}.dashboard-tabs{display:flex;border-bottom:1px solid var(--border-color);margin-bottom:2rem}.tab-link{padding:1rem 1.5rem;font-size:1.1rem;font-weight:600;cursor:pointer;background:none;border:none;border-bottom:3px solid transparent;color:var(--text-secondary);margin-bottom:-1px}.tab-link.active{color:var(--text-primary);border-bottom-color:#007bff}.lesson-list-container{padding:1rem;background-color:var(--background-secondary);border-radius:8px;box-shadow:0 4px 12px var(--shadow-color);font-family:Cairo,sans-serif}.lesson-list-container h2{margin-top:0;margin-bottom:1rem;font-size:1.5rem;color:var(--text-primary)}.lessons-table th,.lessons-table td{padding:.6rem;border-bottom:1px solid var(--border-color);white-space:nowrap;vertical-align:middle}.lessons-table th{font-weight:600;color:var(--text-secondary);background-color:var(--background-primary);font-size:.85rem}.actions-cell{display:flex;gap:.3rem;justify-content:center;align-items:center}.actions-cell .btn{padding:.4rem .6rem;font-size:.75rem}[class^=status-]{padding:.25rem .6rem;border-radius:12px;font-size:.75rem;font-weight:600;color:#fff;text-transform:capitalize;display:inline-block;min-width:80px;text-align:center}.status-scheduled{background-color:#3498db}.status-active{background-color:#2ecc71}.status-completed{background-color:#95a5a6}@media (min-width: 768px){.lesson-list-container{padding:2rem}.lesson-list-container h2{margin-bottom:1.5rem;font-size:2rem}.lessons-table th,.lessons-table td{padding:1rem}.lessons-table th{font-size:1rem}.actions-cell{gap:.5rem;justify-content:flex-start}.actions-cell .btn{padding:.6rem 1rem;font-size:.9rem}}.group-list-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding:20px}.group-card{background-color:#fff;border:1px solid #e0e0e0;border-radius:8px;box-shadow:0 2px 4px #0000000d;display:flex;flex-direction:column;transition:box-shadow .3s ease,transform .3s ease}.group-card:hover{transform:translateY(-3px);box-shadow:0 4px 12px #0000001a}.group-card-header{padding:16px;border-bottom:1px solid #e0e0e0}.group-name{margin:0;font-size:1.2rem;color:#333}.group-card-body{padding:16px;flex-grow:1}.group-card-body p{margin:0 0 8px;color:#555}.group-card-footer{padding:16px;background-color:#f9f9f9;border-top:1px solid #e0e0e0;display:flex;justify-content:space-between;align-items:center;border-bottom-left-radius:8px;border-bottom-right-radius:8px}.group-card-footer p{margin:0;font-weight:700;color:#444}.details-button{background-color:#007bff;color:#fff;border:none;padding:8px 16px;border-radius:5px;cursor:pointer;font-weight:700;transition:background-color .2s ease}.details-button:hover{background-color:#0056b3}.status-message{padding:20px;text-align:center;font-size:1.1rem;color:#666}.status-message.error{color:#d9534f;font-weight:700}.modal-backdrop{position:fixed;inset:0;background-color:#0009;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background:#fff;padding:24px;border-radius:8px;box-shadow:0 5px 15px #0000004d;width:90%;max-width:450px;animation:fadeIn .3s ease-out}.modal-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #eee;padding-bottom:12px;margin-bottom:16px}.modal-header h3{margin:0;font-size:1.4rem;color:#333}.modal-close-button{background:none;border:none;font-size:2rem;font-weight:700;line-height:1;color:#888;cursor:pointer;padding:0;transition:color .2s ease}.modal-close-button:hover{color:#333}.modal-body{max-height:60vh;overflow-y:auto}.students-list{list-style-type:none;padding:0;margin:0}.students-list li{padding:10px 5px;border-bottom:1px solid #f0f0f0;font-size:1rem;color:#444}.students-list li:last-child{border-bottom:none}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.rdp-root{--rdp-accent-color: blue;--rdp-accent-background-color: #f0f0ff;--rdp-day-height: 44px;--rdp-day-width: 44px;--rdp-day_button-border-radius: 100%;--rdp-day_button-border: 2px solid transparent;--rdp-day_button-height: 42px;--rdp-day_button-width: 42px;--rdp-selected-border: 2px solid var(--rdp-accent-color);--rdp-disabled-opacity: .5;--rdp-outside-opacity: .75;--rdp-today-color: var(--rdp-accent-color);--rdp-dropdown-gap: .5rem;--rdp-months-gap: 2rem;--rdp-nav_button-disabled-opacity: .5;--rdp-nav_button-height: 2.25rem;--rdp-nav_button-width: 2.25rem;--rdp-nav-height: 2.75rem;--rdp-range_middle-background-color: var(--rdp-accent-background-color);--rdp-range_middle-color: inherit;--rdp-range_start-color: white;--rdp-range_start-background: linear-gradient(var(--rdp-gradient-direction), transparent 50%, var(--rdp-range_middle-background-color) 50%);--rdp-range_start-date-background-color: var(--rdp-accent-color);--rdp-range_end-background: linear-gradient(var(--rdp-gradient-direction), var(--rdp-range_middle-background-color) 50%, transparent 50%);--rdp-range_end-color: white;--rdp-range_end-date-background-color: var(--rdp-accent-color);--rdp-week_number-border-radius: 100%;--rdp-week_number-border: 2px solid transparent;--rdp-week_number-height: var(--rdp-day-height);--rdp-week_number-opacity: .75;--rdp-week_number-width: var(--rdp-day-width);--rdp-weeknumber-text-align: center;--rdp-weekday-opacity: .75;--rdp-weekday-padding: .5rem 0rem;--rdp-weekday-text-align: center;--rdp-gradient-direction: 90deg;--rdp-animation_duration: .3s;--rdp-animation_timing: cubic-bezier(.4, 0, .2, 1)}.rdp-root[dir=rtl]{--rdp-gradient-direction: -90deg}.rdp-root[data-broadcast-calendar=true]{--rdp-outside-opacity: unset}.rdp-root{position:relative;box-sizing:border-box}.rdp-root *{box-sizing:border-box}.rdp-day{width:var(--rdp-day-width);height:var(--rdp-day-height);text-align:center}.rdp-day_button{background:none;padding:0;margin:0;cursor:pointer;font:inherit;color:inherit;justify-content:center;align-items:center;display:flex;width:var(--rdp-day_button-width);height:var(--rdp-day_button-height);border:var(--rdp-day_button-border);border-radius:var(--rdp-day_button-border-radius)}.rdp-day_button:disabled{cursor:revert}.rdp-caption_label{z-index:1;position:relative;display:inline-flex;align-items:center;white-space:nowrap;border:0}.rdp-dropdown:focus-visible~.rdp-caption_label{outline:5px auto Highlight;outline:5px auto -webkit-focus-ring-color}.rdp-button_next,.rdp-button_previous{border:none;background:none;padding:0;margin:0;cursor:pointer;font:inherit;color:inherit;-moz-appearance:none;-webkit-appearance:none;display:inline-flex;align-items:center;justify-content:center;position:relative;appearance:none;width:var(--rdp-nav_button-width);height:var(--rdp-nav_button-height)}.rdp-button_next:disabled,.rdp-button_next[aria-disabled=true],.rdp-button_previous:disabled,.rdp-button_previous[aria-disabled=true]{cursor:revert;opacity:var(--rdp-nav_button-disabled-opacity)}.rdp-chevron{display:inline-block;fill:var(--rdp-accent-color)}.rdp-root[dir=rtl] .rdp-nav .rdp-chevron{transform:rotate(180deg);transform-origin:50%}.rdp-dropdowns{position:relative;display:inline-flex;align-items:center;gap:var(--rdp-dropdown-gap)}.rdp-dropdown{z-index:2;opacity:0;appearance:none;position:absolute;inset-block-start:0;inset-block-end:0;inset-inline-start:0;width:100%;margin:0;padding:0;cursor:inherit;border:none;line-height:inherit}.rdp-dropdown_root{position:relative;display:inline-flex;align-items:center}.rdp-dropdown_root[data-disabled=true] .rdp-chevron{opacity:var(--rdp-disabled-opacity)}.rdp-month_caption{display:flex;align-content:center;height:var(--rdp-nav-height);font-weight:700;font-size:large}.rdp-root[data-nav-layout=around] .rdp-month,.rdp-root[data-nav-layout=after] .rdp-month{position:relative}.rdp-root[data-nav-layout=around] .rdp-month_caption{justify-content:center;margin-inline-start:var(--rdp-nav_button-width);margin-inline-end:var(--rdp-nav_button-width);position:relative}.rdp-root[data-nav-layout=around] .rdp-button_previous{position:absolute;inset-inline-start:0;top:0;height:var(--rdp-nav-height);display:inline-flex}.rdp-root[data-nav-layout=around] .rdp-button_next{position:absolute;inset-inline-end:0;top:0;height:var(--rdp-nav-height);display:inline-flex;justify-content:center}.rdp-months{position:relative;display:flex;flex-wrap:wrap;gap:var(--rdp-months-gap);max-width:fit-content}.rdp-month_grid{border-collapse:collapse}.rdp-nav{position:absolute;inset-block-start:0;inset-inline-end:0;display:flex;align-items:center;height:var(--rdp-nav-height)}.rdp-weekday{opacity:var(--rdp-weekday-opacity);padding:var(--rdp-weekday-padding);font-weight:500;font-size:smaller;text-align:var(--rdp-weekday-text-align);text-transform:var(--rdp-weekday-text-transform)}.rdp-week_number{opacity:var(--rdp-week_number-opacity);font-weight:400;font-size:small;height:var(--rdp-week_number-height);width:var(--rdp-week_number-width);border:var(--rdp-week_number-border);border-radius:var(--rdp-week_number-border-radius);text-align:var(--rdp-weeknumber-text-align)}.rdp-today:not(.rdp-outside){color:var(--rdp-today-color)}.rdp-selected{font-weight:700;font-size:large}.rdp-selected .rdp-day_button{border:var(--rdp-selected-border)}.rdp-outside{opacity:var(--rdp-outside-opacity)}.rdp-disabled{opacity:var(--rdp-disabled-opacity)}.rdp-hidden{visibility:hidden;color:var(--rdp-range_start-color)}.rdp-range_start{background:var(--rdp-range_start-background)}.rdp-range_start .rdp-day_button{background-color:var(--rdp-range_start-date-background-color);color:var(--rdp-range_start-color)}.rdp-range_middle{background-color:var(--rdp-range_middle-background-color)}.rdp-range_middle .rdp-day_button{border-color:transparent;border:unset;border-radius:unset;color:var(--rdp-range_middle-color)}.rdp-range_end{background:var(--rdp-range_end-background);color:var(--rdp-range_end-color)}.rdp-range_end .rdp-day_button{color:var(--rdp-range_start-color);background-color:var(--rdp-range_end-date-background-color)}.rdp-range_start.rdp-range_end{background:revert}.rdp-focusable{cursor:pointer}@keyframes rdp-slide_in_left{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes rdp-slide_in_right{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes rdp-slide_out_left{0%{transform:translate(0)}to{transform:translate(-100%)}}@keyframes rdp-slide_out_right{0%{transform:translate(0)}to{transform:translate(100%)}}.rdp-weeks_before_enter{animation:rdp-slide_in_left var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-weeks_before_exit{animation:rdp-slide_out_left var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-weeks_after_enter{animation:rdp-slide_in_right var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-weeks_after_exit{animation:rdp-slide_out_right var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-root[dir=rtl] .rdp-weeks_after_enter{animation:rdp-slide_in_left var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-root[dir=rtl] .rdp-weeks_before_exit{animation:rdp-slide_out_right var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-root[dir=rtl] .rdp-weeks_before_enter{animation:rdp-slide_in_right var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-root[dir=rtl] .rdp-weeks_after_exit{animation:rdp-slide_out_left var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}@keyframes rdp-fade_in{0%{opacity:0}to{opacity:1}}@keyframes rdp-fade_out{0%{opacity:1}to{opacity:0}}.rdp-caption_after_enter{animation:rdp-fade_in var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-caption_after_exit{animation:rdp-fade_out var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-caption_before_enter{animation:rdp-fade_in var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-caption_before_exit{animation:rdp-fade_out var(--rdp-animation_duration) var(--rdp-animation_timing) 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p{margin:0;font-size:2.25rem;font-weight:700;color:#1a202c}.stat-growth{font-size:.9rem;font-weight:600}.stat-growth.positive{color:#38a169}.stat-growth.negative{color:#c53030}.stat-growth.neutral{color:#718096}.dashboard-main-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-template-rows:auto;gap:1.5rem}.chart-card{background:#fff;padding:1.5rem;border-radius:8px;border:1px solid #e2e8f0}.large-card{grid-column:1 / -1}.chart-card h3{margin-top:0;margin-bottom:2rem}.activity-feed{list-style:none;padding:0;margin:0;max-height:250px;overflow-y:auto}.activity-item{padding:.75rem 0;border-bottom:1px solid #f7fafc}.activity-item:last-child{border-bottom:none}.activity-item:before{content:"🔹";margin-left:.5rem}.activity-item.milestone:before{content:"🎉"}.admin-dashboard-container h1{margin-top:0;margin-bottom:1.5rem;font-size:1.8rem;color:var(--text-primary)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-card{background:var(--background-secondary);padding:1rem;border-radius:8px;border:1px solid var(--border-color);box-shadow:0 2px 5px var(--shadow-color)}.stat-card h4{margin:0 0 .5rem;color:var(--text-secondary);font-size:.9rem}.stat-card p{margin:0;font-size:1.8rem;font-weight:700;color:var(--text-primary)}.stat-growth{font-size:.8rem;font-weight:600}.stat-growth.positive{color:var(--color-secondary-accent)}.stat-growth.negative{color:var(--color-accent)}.stat-growth.neutral{color:var(--text-secondary)}.dashboard-main-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}.chart-card{background:var(--background-secondary);padding:1rem;border-radius:8px;border:1px solid var(--border-color);box-shadow:0 2px 5px var(--shadow-color)}.chart-card h3{margin-top:0;margin-bottom:1rem;font-size:1.1rem;color:var(--text-primary)}@media (min-width: 768px){.admin-dashboard-container h1{margin-bottom:2rem;font-size:2rem}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{padding:1.5rem}.stat-card h4{font-size:1rem}.stat-card p{font-size:2.25rem}.stat-growth{font-size:.9rem}.dashboard-main-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}.chart-card{padding:1.5rem}.chart-card h3{margin-bottom:2rem;font-size:1.25rem}}.confirm-modal-content{background-color:var(--background-color, #fff);color:var(--text-color, #333);padding:2rem;border-radius:12px;box-shadow:0 10px 25px #0000001a;width:90%;max-width:450px;text-align:center;animation:fadeInScale .3s ease-out}.confirm-modal-content h3{margin-top:0;color:var(--danger-color, #dc3545);font-size:1.5rem}.confirm-modal-content p{margin:1rem 0 2rem;line-height:1.6;font-size:1.1rem}.user-name{color:var(--primary-color, 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th{font-weight:600;color:var(--text-secondary);background-color:var(--background-primary);font-size:.9rem}.lessons-table tbody tr:hover{background-color:var(--background-primary)}@media (min-width: 768px){.curriculum-management-container{max-width:1200px;margin:2rem auto;padding:2rem}.curriculum-management-container h1{padding-bottom:1rem;margin-bottom:2rem;font-size:2rem}.filters-container{flex-direction:row;gap:2rem;margin-bottom:2rem;padding:1.5rem}.filter-group label{font-size:1rem}.filter-group select{min-width:200px;width:auto;font-size:1rem}.lessons-table th,.lessons-table td{padding:1rem}.lessons-table th{font-size:1rem}}.modal-overlay{position:fixed;inset:0;background-color:#0009;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:#fff;padding:2rem;border-radius:12px;width:90%;max-width:500px;position:relative}.modal-close-btn{position:absolute;top:1rem;left:1rem;background:none;border:none;font-size:2rem;cursor:pointer}.slot-details{background:#f7fafc;padding:1rem;border-radius:8px;margin:1rem 0}.form-group select{width:100%;padding:.75rem;border-radius:8px;border:1px solid #cbd5e0}.assign-btn{width:100%;padding:.75rem;border:none;background-color:#28a745;color:#fff;font-size:1.1rem;font-weight:600;border-radius:8px;cursor:pointer;margin-top:1rem}.details-modal-content{background:#fff;padding:2rem;border-radius:12px;width:90%;max-width:700px;position:relative;max-height:90vh;overflow-y:auto;box-shadow:0 10px 25px #0003}.details-header{border-bottom:1px solid #eee;padding-bottom:1rem;margin-bottom:1.5rem}.details-header h2{margin:0 0 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.5rem;border-radius:4px;font-size:.8rem;font-weight:700}.status-badge.present{background-color:#d4edda;color:#155724}.status-badge.absent{background-color:#f8d7da;color:#721c24}.lesson-assignment-page{padding:2rem;max-width:1200px;margin:0 auto;font-family:Cairo,sans-serif}.page-header h1{margin-bottom:2rem;color:var(--text-primary);font-size:1.8rem}.filters-bar{background-color:var(--background-secondary);padding:1rem;border-radius:12px;margin-bottom:2rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.filter-label{font-weight:700;color:var(--text-secondary)}.teacher-filters{display:flex;gap:.5rem;flex-wrap:wrap}.filter-btn{background:transparent;border:1px solid var(--border-color);padding:.5rem 1rem;border-radius:20px;cursor:pointer;transition:all .2s;font-size:.9rem}.filter-btn.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.tabs-container{display:flex;gap:1rem;margin-bottom:2rem;border-bottom:2px solid var(--border-color)}.tab-button{padding:1rem 2rem;background:none;border:none;font-size:1.1rem;font-weight:600;color:var(--text-secondary);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px;display:flex;align-items:center;gap:.5rem}.tab-button.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.slots-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}.slot-card{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem;display:flex;flex-direction:column;gap:1rem;box-shadow:0 2px 4px #0000000d;transition:transform .2s}.slot-card:hover{transform:translateY(-3px);box-shadow:0 5px 15px #0000001a}.slot-card.available{border-right:5px solid #2ecc71}.slot-card.scheduled{border-right:5px solid #3498db}.slot-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);padding-bottom:.5rem}.teacher-name{font-weight:700;font-size:1rem}.slot-date{font-size:.85rem;color:var(--text-secondary)}.slot-time{font-size:1.5rem;font-weight:800;color:var(--text-primary);text-align:center;padding:.5rem 0}.assign-btn{width:100%;background-color:#2ecc71!important;border:none}.lesson-status-box{background-color:var(--background-secondary);padding:.8rem;border-radius:8px;text-align:center}.lesson-status-box strong{display:block;margin-bottom:.5rem}.status-badge{font-size:.8rem;padding:.2rem .5rem;border-radius:4px;background-color:#fff}.empty-state{grid-column:1 / -1;text-align:center;padding:3rem;color:var(--text-secondary);font-size:1.2rem;background-color:var(--background-secondary);border-radius:12px;border:2px dashed var(--border-color)}.create-user-page{max-width:800px}.create-user-form{background:#fff;padding:2rem;border-radius:8px;border:1px solid #e2e8f0}.role-selector{display:flex;margin-bottom:2rem;border:1px solid #cbd5e0;border-radius:8px;overflow:hidden}.role-selector button{flex:1;padding:1rem;border:none;background:#f7fafc;cursor:pointer;font-size:1.1rem;font-weight:600;color:#4a5568;transition:all .2s}.role-selector button.active{background:#3182ce;color:#fff}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.form-group{margin-bottom:0}.form-group-full{grid-column:1 / -1}.form-group label{display:block;margin-bottom:.5rem;font-weight:600}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.75rem;border:1px solid #cbd5e0;border-radius:8px;font-size:1rem;box-sizing:border-box}.submit-btn{width:100%;padding:1rem;font-size:1.1rem;font-weight:600;border:none;background:#28a745;color:#fff;border-radius:8px;cursor:pointer;margin-top:2rem}.content-management-page 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