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h3{color:#374151;font-size:1rem;margin-bottom:8px;font-weight:500}.stat-number{font-size:2.5rem;font-weight:700;color:#1d4ed8;margin-bottom:5px}.stat-change{color:#3b82f6;font-size:.9rem;font-weight:500}.quick-actions{margin-top:40px;text-align:center}.quick-actions h3{color:#374151;font-size:1.5rem;margin-bottom:20px}.action-buttons{display:flex;justify-content:center;gap:15px;flex-wrap:wrap}.action-btn{padding:15px 30px;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;text-decoration:none;display:inline-block}.action-btn.primary{background:#3b82f6;color:#fff}.action-btn.primary:hover{background:#1d4ed8;transform:translateY(-2px)}.action-btn.secondary{background:#3b82f6;color:#fff}.action-btn.secondary:hover{background:#2563eb;transform:translateY(-2px)}.action-btn.tertiary{background:#f59e0b;color:#fff}.action-btn.tertiary:hover{background:#d97706;transform:translateY(-2px)}.users-section h2,.courses-section h2,.add-course-section 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#00000026}.course-header{display:flex;justify-content:space-between;align-items:start;margin-bottom:15px}.course-header h3{color:#1d4ed8;font-size:1.3rem;flex:1;margin:0 0 0 15px}.course-price{background:#3b82f6;color:#fff;padding:8px 16px;border-radius:20px;font-weight:600;font-size:.9rem;white-space:nowrap}.course-description{color:#6b7280;font-size:1rem;margin-bottom:20px;line-height:1.6}.course-details{margin-bottom:20px}.detail-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;padding:8px 0;border-bottom:1px solid #eff6ff}.detail-item:last-child{border-bottom:none}.label{color:#6b7280;font-weight:500}.value{color:#374151;font-weight:600}.course-actions{display:flex;gap:10px;justify-content:space-between;flex-wrap:wrap}.course-actions button,.course-actions a{flex:1;border:none;padding:10px;border-radius:8px;cursor:pointer;font-size:.9rem;font-weight:500;transition:all .3s 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0}.option-group{display:flex;flex-direction:column;gap:5px}.option-group label{color:#6b7280;font-weight:500;font-size:.9rem}.option-group input{padding:10px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:.9rem}.add-quiz-btn{background:#3b82f6;color:#fff;border:none;padding:12px 24px;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:15px}.add-quiz-btn:hover{background:#2563eb;transform:translateY(-1px)}.added-quizzes{margin-top:20px}.added-quizzes h4{color:#374151;font-size:1.1rem;margin-bottom:15px}.quiz-preview{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:12px 16px;border-radius:8px;border:1px solid #e0f2fe;margin-bottom:8px}.remove-quiz-btn{background:none;border:none;cursor:pointer;font-size:1rem;padding:4px;border-radius:4px;transition:all .3s ease}.remove-quiz-btn:hover{background:#fee2e2}@media (max-width: 768px){.admin-container{padding:10px}.admin-header{padding:20px}.admin-header h1{font-size:2rem}.admin-tabs{flex-direction:column;align-items:center}.admin-tabs button{width:100%;max-width:300px}.admin-content{padding:20px}.stats-grid{grid-template-columns:1fr}.stat-card{flex-direction:column;text-align:center}.section-header{flex-direction:column;align-items:stretch}.action-buttons{flex-direction:column;align-items:center}.action-btn{width:100%;max-width:300px}.courses-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr;gap:20px}.form-actions{flex-direction:column;align-items:center}.submit-btn,.cancel-btn{width:100%;max-width:300px}.admin-table{font-size:.9rem}.admin-table th,.admin-table td{padding:10px}}@media (max-width: 480px){.admin-header h1{font-size:1.8rem}.welcome-text{font-size:1rem}.stat-number{font-size:2rem}.stat-icon{font-size:2.5rem;width:70px;height:70px}.course-header{flex-direction:column;gap:10px}.course-header h3{margin-left:0}.course-actions{flex-direction:column}}.videos-section{background:#fff;border-radius:16px;padding:24px;box-shadow:0 2px 20px #0000001a}.back-to-courses-btn{background:#6b7280;color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-weight:500;transition:all .3s ease}.back-to-courses-btn:hover{background:#4b5563}.no-course-selected{text-align:center;padding:2rem;color:#6b7280}.no-course-selected h3{margin-bottom:2rem;color:#374151}.courses-quick-select h4{margin-bottom:1rem;color:#1f2937}.courses-list{display:flex;flex-direction:column;gap:.5rem;max-width:400px;margin:0 auto}.course-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem;background:#f9fafb;border-radius:8px;border:1px solid #e0f2fe}.course-item span{flex:1;text-align:right}.select-course-btn{background:#3b82f6;color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer;font-weight:500;transition:all .3s 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0;color:#64748b;font-size:.9rem}.voucher-info strong{color:#1e293b}.voucher-actions{display:flex;gap:.5rem;justify-content:space-between}.btn-toggle{flex:1;padding:.5rem;border:none;border-radius:6px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .3s ease}.btn-activate{background:#dcfce7;color:#1e40af}.btn-activate:hover{background:#bbf7d0}.btn-deactivate{background:#fef3c7;color:#92400e}.btn-deactivate:hover{background:#fde68a}.voucher-form-container{max-width:600px;margin:0 auto}.voucher-form{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 6px #0000000d;border:1px solid #e0f2fe}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:#374151}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.75rem;border:2px solid #e0f2fe;border-radius:8px;font-size:.9rem;transition:border-color .3s ease;background:#fff}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#3b82f6}.form-help{display:block;margin-top:.25rem;font-size:.8rem;color:#6b7280}.form-actions{display:flex;gap:1rem;justify-content:flex-end;margin-top:2rem;padding-top:1rem;border-top:1px solid #e0f2fe}.btn-submit{background:#3b82f6;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease}.btn-submit:hover:not(:disabled){background:#1d4ed8}.btn-submit:disabled{opacity:.6;cursor:not-allowed}.lessons-selection{border:2px solid #e0f2fe;border-radius:8px;padding:1rem;max-height:300px;overflow-y:auto;background:#f9fafb}.lesson-checkbox{display:flex;align-items:center;padding:.75rem;border-radius:6px;margin-bottom:.5rem;background:#fff;border:1px solid #e0f2fe;transition:all .3s ease}.lesson-checkbox:hover{border-color:#3b82f6;background:#f0fdf4}.lesson-checkbox input[type=checkbox],.lesson-checkbox 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768px){.voucher-redeem{padding:1rem}.voucher-redeem-header,.voucher-form,.success-result,.voucher-info{padding:1.5rem}}.package-page{min-height:100vh;background:linear-gradient(135deg,#f0f9ff,#e0f2fe);direction:rtl;padding:20px 0}.package-container{max-width:1200px;margin:0 auto;padding:0 20px}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;color:#3b82f6}.loading-spinner{width:50px;height:50px;border:4px solid #e0f2fe;border-top:4px solid #3b82f6;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.package-header{background:#fff;border-radius:20px;padding:40px;margin-bottom:30px;box-shadow:0 10px 40px #0000001a;text-align:center}.package-header h1{font-size:2.5rem;color:#3b82f6;margin-bottom:15px;font-weight:700}.package-header 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h1{background:linear-gradient(135deg,#3b82f6,#1d4ed8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subscription-card .price{color:#3b82f6}.subscribe-btn{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.subscribe-btn:hover{background:linear-gradient(135deg,#2563eb,#1e40af);transform:translateY(-2px)}.teacher-button.active-subscription{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}.savings-note{color:#3b82f6;font-size:.9rem;font-weight:500;margin-top:.5rem}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;width:100%}body{font-family:Cairo,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#1e293b;width:100%;margin:0;padding:0}.app-container{font-family:Cairo,Arial,sans-serif;background:#fff;min-height:100vh;direction:rtl;width:100vw;max-width:100%;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;box-sizing:border-box}button,a{transition:all .3s 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