.course-stats-card{cursor:pointer;background:#fff;border:2px solid transparent;border-radius:12px;padding:1.5rem;transition:all .3s;box-shadow:0 2px 8px rgba(0,0,0,.1)}.course-stats-card:hover{border-color:#2196f3;transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.15)}.course-stats-card:focus{border-color:#2196f3;outline:none;box-shadow:0 0 0 3px rgba(33,150,243,.1)}.course-stats-header{justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.5rem;display:flex}.course-stats-title{color:#1a1a1a;flex:1;margin:0;font-size:1.25rem;font-weight:600;line-height:1.4}.course-stats-badge{color:#1976d2;white-space:nowrap;background:#e3f2fd;border-radius:20px;padding:.25rem .75rem;font-size:.875rem;font-weight:500}.course-stats-grid{grid-template-columns:repeat(2,1fr);gap:1rem;margin-bottom:1.5rem;display:grid}.course-stat-item{text-align:center;background:#f8f9fa;border-radius:8px;padding:.75rem}.stat-label{color:#666;margin-bottom:.5rem;font-size:.875rem}.stat-value{font-size:1.75rem;font-weight:700;line-height:1}.stat-active{color:#2196f3}.stat-completed{color:#ff9800}.stat-approved{color:#4caf50}.stat-rate{color:#9c27b0}.course-stats-footer{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.completion-time{color:#666;align-items:center;gap:.5rem;font-size:.875rem;display:flex}.completion-time .icon{color:#999;width:1.25rem;height:1.25rem}.progress-bar-container{background:#e0e0e0;border-radius:3px;width:100%;height:6px;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg,#2196f3,#4caf50);border-radius:3px;height:100%;transition:width .5s}@media (max-width:640px){.course-stats-card{padding:1rem}.course-stats-title{font-size:1.125rem}.course-stats-grid{grid-template-columns:repeat(2,1fr);gap:.75rem}.stat-value{font-size:1.5rem}.stat-label{font-size:.75rem}}@media (max-width:480px){.course-stats-header{flex-direction:column;align-items:flex-start}.course-stats-badge{align-self:flex-start}}.analytics-dashboard-page{background:var(--color-bg-secondary)}.analytics-container{flex-direction:column;gap:1.25rem;display:flex}.analytics-header{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:1.5rem}.analytics-title{font-size:1.5rem;font-weight:var(--font-weight-bold);color:var(--text-primary);letter-spacing:-.02em;margin:0 0 4px}.analytics-subtitle{color:var(--text-secondary);font-size:var(--font-size-sm);margin:0}.summary-cards{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;display:grid}.summary-card{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:border-color var(--transition-normal), box-shadow var(--transition-normal);align-items:center;gap:1rem;padding:1.25rem;display:flex}.summary-card:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow-md)}.summary-icon{border-radius:var(--radius-md);background:var(--color-primary-xlight);width:48px;height:48px;color:var(--primary-color);flex-shrink:0;justify-content:center;align-items:center;display:flex}.summary-icon svg{width:24px;height:24px}.summary-content{flex:1}.summary-value{font-size:1.75rem;font-weight:var(--font-weight-bold);color:var(--text-primary);letter-spacing:-.02em;margin-bottom:4px;line-height:1}.summary-label{font-size:var(--font-size-xs);color:var(--text-secondary);font-weight:var(--font-weight-medium);text-transform:uppercase;letter-spacing:.05em}.charts-section{grid-template-columns:repeat(auto-fit,minmax(380px,1fr));gap:1rem;display:grid}.chart-card{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:1.5rem}.chart-card.full-width{grid-column:1/-1}.chart-card h2,.chart-card h3{font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0 0 1.25rem}.trends-section{flex-direction:column;gap:1rem;display:flex}.trends-header{justify-content:space-between;align-items:center;display:flex}.trends-header h2{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0}.period-select{border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-family:var(--font-family);background:var(--color-bg-primary);color:var(--text-primary);cursor:pointer;transition:border-color var(--transition-normal);padding:7px 12px}.period-select:hover{border-color:var(--color-border-dark)}.period-select:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px rgba(29,78,216,.1)}.course-analytics-section{flex-direction:column;gap:1rem;display:flex}.course-analytics-section h2{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0}.course-stats-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1rem;display:grid}.loading-container,.error-container{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);min-height:400px;box-shadow:var(--shadow-sm);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:1rem;display:flex}@keyframes spin{to{transform:rotate(360deg)}}.error-container h2{color:var(--color-error);margin:0}.error-container p{color:var(--text-secondary);margin:0}.btn-export,.btn-retry{border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);font-family:var(--font-family);cursor:pointer;transition:all var(--transition-normal);border:1px solid var(--border-color);background:var(--color-bg-secondary);color:var(--text-primary);align-items:center;gap:6px;padding:8px 16px;display:inline-flex}.btn-export:hover,.btn-retry:hover{background:var(--color-bg-tertiary);border-color:var(--color-border-dark)}.btn-export .icon{width:18px;height:18px}.empty-state{text-align:center;color:var(--text-secondary);font-size:var(--font-size-sm);padding:3rem}@media (max-width:1024px){.charts-section{grid-template-columns:1fr}.course-stats-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}}@media (max-width:768px){.summary-cards{grid-template-columns:1fr 1fr}.trends-header{flex-direction:column;align-items:flex-start;gap:.75rem}.period-select{width:100%}}@media (max-width:480px){.summary-cards,.charts-section{grid-template-columns:1fr}}.course-management-page{background:var(--color-bg-secondary)}.course-management-container{flex-direction:column;gap:1.25rem;display:flex}.course-management-header,.page-header{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:0;padding:1.5rem}.course-management-title,.page-header h1{font-size:1.5rem;font-weight:var(--font-weight-bold);color:var(--text-primary);letter-spacing:-.02em;margin:0 0 4px}.filters-section{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);flex-wrap:wrap;align-items:center;gap:1rem;padding:1rem 1.25rem;display:flex}.search-box{flex:1;min-width:220px}.filter-buttons{flex-wrap:wrap;gap:6px;display:flex}.filter-btn{border:1px solid var(--border-color);background:var(--color-bg-secondary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-normal);font-size:var(--font-size-sm);font-family:var(--font-family);color:var(--text-secondary);font-weight:var(--font-weight-medium);padding:7px 14px}.filter-btn:hover{background:var(--color-bg-tertiary);border-color:var(--color-border-dark)}.filter-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.credential-type-filter{align-items:center;gap:8px;display:flex}.credential-type-filter label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--text-secondary);white-space:nowrap}.credential-type-select{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--color-bg-primary);cursor:pointer;font-size:var(--font-size-sm);font-family:var(--font-family);color:var(--text-primary);transition:border-color var(--transition-normal);padding:7px 12px}.credential-type-select:hover{border-color:var(--color-border-dark)}.credential-type-select:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px rgba(29,78,216,.1)}.courses-table-container{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:visible}.courses-table{border-collapse:collapse;width:100%}.courses-table thead{background:var(--color-bg-secondary)}.courses-table th{text-align:left;font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border-color);padding:10px 16px}.courses-table tbody tr{border-bottom:1px solid var(--color-border-light);transition:background var(--transition-fast);position:relative}.courses-table tbody tr:hover{background:var(--color-bg-secondary)}.courses-table tbody tr:last-child{border-bottom:none}.courses-table td{font-size:var(--font-size-sm);color:var(--text-primary);vertical-align:middle;padding:12px 16px}.courses-table td:last-child{position:relative;overflow:visible}.course-title-cell strong{color:var(--text-primary);font-weight:var(--font-weight-medium);margin-bottom:2px;display:block}.course-description-preview{font-size:var(--font-size-xs);color:var(--text-secondary);line-height:var(--line-height-relaxed);margin:0}.status-badge{border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);align-items:center;padding:3px 10px;display:inline-flex}.status-draft{color:#92400e;background:#fef3c7}.status-published{color:#065f46;background:#d1fae5}.status-archived{background:var(--color-bg-tertiary);color:var(--text-secondary)}.credential-badge{border-radius:var(--radius-md);cursor:help;transition:transform var(--transition-normal);justify-content:center;align-items:center;padding:4px 8px;font-size:1.1rem;display:inline-flex}.credential-badge:hover{transform:scale(1.1)}.credential-certificate{background:var(--color-primary-xlight);border:1px solid rgba(29,78,216,.2)}.credential-carnet{background:#fef3c7;border:1px solid #fde68a}.action-buttons{gap:6px;display:flex;position:relative;overflow:visible}.btn{border-radius:var(--radius-md);cursor:pointer;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);font-family:var(--font-family);transition:all var(--transition-normal);border:none;align-items:center;gap:5px;padding:6px 12px;display:inline-flex}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background:#059669}.btn-danger-strong{color:#fff;font-weight:var(--font-weight-semibold);background:#b91c1c}.btn-danger-strong:hover:not(:disabled){background:#991b1b}.btn-sm{font-size:var(--font-size-xs);padding:5px 10px}.text-danger{color:var(--color-error)}.empty-state{text-align:center;color:var(--text-secondary);padding:4rem 2rem}.empty-state p{font-size:var(--font-size-sm);margin-bottom:1rem}.modal-content{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:500px;padding:1.5rem}.modal-content h2{font-size:1.1rem;font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0 0 1rem}.modal-content p{color:var(--text-secondary);line-height:var(--line-height-relaxed);font-size:var(--font-size-sm);margin-bottom:1rem}.modal-note{font-size:var(--font-size-xs);color:var(--color-text-tertiary);font-style:italic}.modal-actions{border-top:1px solid var(--border-color);justify-content:flex-end;gap:.75rem;margin-top:1.5rem;padding-top:1.25rem;display:flex}.dropdown-container{position:relative}.dropdown-toggle{align-items:center;gap:4px;display:flex}.dropdown-menu{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);min-width:200px;z-index:var(--z-dropdown);position:absolute;top:calc(100% + 4px);right:0;overflow:hidden}.dropdown-item{background:var(--color-bg-primary);text-align:left;cursor:pointer;width:100%;font-size:var(--font-size-sm);font-family:var(--font-family);transition:background var(--transition-fast);color:var(--text-primary);white-space:nowrap;border:none;padding:9px 14px;display:block}.dropdown-item:hover{background:var(--color-bg-secondary)}.dropdown-item.danger{color:var(--color-error)}.dropdown-item.danger:hover{background:#fee2e2}.course-preview-modal{background:var(--color-bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:1.25rem;padding:1rem}.course-preview-modal h3{color:var(--text-primary);font-size:1rem;font-weight:var(--font-weight-semibold);margin:0 0 6px}.course-preview-modal .course-description{color:var(--text-secondary);line-height:var(--line-height-relaxed);font-size:var(--font-size-sm);margin:0 0 .75rem}.course-preview-modal .course-meta{font-size:var(--font-size-xs);color:var(--text-secondary);gap:1rem;display:flex}.publish-info-box{background:var(--color-primary-xlight);border-left:4px solid var(--primary-color);border-radius:var(--radius-md);gap:1rem;margin-bottom:1.25rem;padding:1rem;display:flex}.publish-info-box .info-icon{flex-shrink:0;font-size:1.25rem}.publish-info-box .info-text p{color:var(--primary-color);font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);margin:0 0 6px}.publish-info-box .info-text ul{color:var(--primary-color);margin:0;padding-left:1.25rem}.publish-info-box .info-text li{font-size:var(--font-size-xs);margin-bottom:4px}.warning-box{border-radius:var(--radius-md);background:#fef3c7;border-left:4px solid #f59e0b;gap:1rem;margin-bottom:1.25rem;padding:1rem;display:flex}.warning-icon{flex-shrink:0;font-size:1.25rem}.warning-text p{color:#92400e;font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);margin:0 0 6px}.warning-text ul{color:#92400e;margin:0;padding-left:1.25rem}.warning-text li{font-size:var(--font-size-xs);margin-bottom:4px}.success-notification{z-index:2000;animation:.3s ease-out slideInRight;position:fixed;top:1.5rem;right:1.5rem}@keyframes slideInRight{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.notification-content{background:var(--color-bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);border-left:4px solid var(--color-success);border:1px solid var(--border-color);align-items:flex-start;gap:1rem;min-width:320px;max-width:480px;padding:1rem 1.25rem;display:flex}.notification-icon{flex-shrink:0;font-size:1.25rem}.notification-text{flex:1}.notification-text strong{color:var(--color-success);font-size:var(--font-size-sm);margin-bottom:4px;display:block}.notification-text p{color:var(--text-secondary);font-size:var(--font-size-xs);margin:0}.notification-close{color:var(--color-text-tertiary);cursor:pointer;border-radius:var(--radius-sm);width:24px;height:24px;transition:all var(--transition-normal);background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-size:1.1rem;display:flex}.notification-close:hover{background:var(--color-bg-secondary);color:var(--text-primary)}@media (max-width:768px){.filters-section{flex-direction:column;align-items:stretch}.search-box{width:100%}.courses-table-container{overflow-x:auto}.courses-table{min-width:600px}.modal-actions{flex-direction:column}.modal-actions .btn{width:100%}.success-notification{top:1rem;left:1rem;right:1rem}.notification-content{min-width:auto;max-width:none}}.pending-approvals-page{background:var(--color-bg-secondary)}.approvals-container{flex-direction:column;gap:1.25rem;display:flex}.approvals-header,.page-header{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:0;padding:1.5rem}.page-header h1{font-size:1.5rem;font-weight:var(--font-weight-bold);color:var(--text-primary);letter-spacing:-.02em;margin:0 0 4px}.page-header .subtitle{font-size:var(--font-size-sm);color:var(--text-secondary);margin:0}.loading-container{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);min-height:400px;box-shadow:var(--shadow-sm);flex-direction:column;justify-content:center;align-items:center;gap:1rem;display:flex}.spinner{border:3px solid var(--color-border-medium);border-top:3px solid var(--primary-color);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}.success-banner,.error-banner,.offline-warning-banner{border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);align-items:center;gap:8px;padding:12px 16px;display:flex}.success-banner{color:#065f46;background:#d1fae5;border:1px solid #a7f3d0}.error-banner{color:#991b1b;background:#fee2e2;border:1px solid #fecaca}.offline-warning-banner{color:#92400e;background:#fef3c7;border:1px solid #fde68a}.success-banner .icon,.error-banner .icon,.offline-warning-banner .icon{flex-shrink:0;width:18px;height:18px}.error-banner .close-btn{color:#991b1b;cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;width:24px;height:24px;margin-left:auto;padding:0;font-size:1.25rem;display:flex}.search-section{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:1rem 1.25rem}.search-box{margin-bottom:.75rem;position:relative}.search-icon{width:18px;height:18px;color:var(--color-text-tertiary);pointer-events:none;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.search-input{border:1px solid var(--border-color);border-radius:var(--radius-md);width:100%;font-size:var(--font-size-base);font-family:var(--font-family);color:var(--text-primary);background:var(--color-bg-primary);transition:border-color var(--transition-normal), box-shadow var(--transition-normal);padding:9px 40px 9px 38px}.search-input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px rgba(29,78,216,.1)}.clear-search{color:var(--color-text-tertiary);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;width:24px;height:24px;padding:0;font-size:1.25rem;display:flex;position:absolute;top:50%;right:10px;transform:translateY(-50%)}.clear-search:hover{color:var(--text-secondary)}.search-meta{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;display:flex}.results-count,.showing-info{font-size:var(--font-size-sm);color:var(--text-secondary)}.empty-icon{width:64px;height:64px;color:var(--color-text-tertiary);margin:0 auto 1rem}.empty-state h3{font-size:1.25rem;font-weight:var(--font-weight-semibold);color:var(--text-primary);margin-bottom:8px}.empty-state p{color:var(--text-secondary);font-size:var(--font-size-sm)}.enrollments-table-container{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.enrollments-table{border-collapse:collapse;width:100%}.enrollments-table thead{background:var(--color-bg-secondary)}.enrollments-table th{text-align:left;font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border-color);padding:10px 16px}.enrollments-table th.sortable{cursor:pointer;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;transition:background var(--transition-fast)}.enrollments-table th.sortable:hover{background:var(--color-bg-tertiary)}.th-content{justify-content:space-between;align-items:center;gap:6px;display:flex}.sort-icon{width:14px;height:14px;color:var(--color-text-tertiary);flex-shrink:0}.sort-icon.active{color:var(--primary-color)}.enrollments-table tbody tr{border-bottom:1px solid var(--color-border-light);transition:background var(--transition-fast)}.enrollments-table tbody tr:hover{background:var(--color-bg-secondary)}.enrollments-table tbody tr:last-child{border-bottom:none}.enrollments-table td{font-size:var(--font-size-sm);color:var(--text-primary);vertical-align:middle;padding:12px 16px}.student-info,.course-info{flex-direction:column;gap:2px;display:flex}.student-name,.course-title{font-weight:var(--font-weight-medium);color:var(--text-primary)}.student-email{font-size:var(--font-size-xs);color:var(--text-secondary)}.action-buttons{gap:6px;display:flex}.btn{border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);font-family:var(--font-family);cursor:pointer;transition:all var(--transition-normal);white-space:nowrap;border:none;align-items:center;gap:5px;padding:6px 12px;display:inline-flex}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-icon{width:14px;height:14px}.btn-approve{color:#065f46;background:#d1fae5;border:1px solid #a7f3d0}.btn-approve:hover:not(:disabled){background:#a7f3d0}.btn-reject{color:#991b1b;background:#fee2e2;border:1px solid #fecaca}.btn-reject:hover:not(:disabled){background:#fecaca}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--color-bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--color-bg-tertiary)}.btn-danger{background:var(--color-error);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.modal{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header{border-bottom:1px solid var(--border-color);background:var(--color-bg-secondary);border-radius:var(--radius-xl) var(--radius-xl) 0 0;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.modal-header h2{font-size:1.1rem;font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0}.modal-close{color:var(--color-text-tertiary);cursor:pointer;border-radius:var(--radius-md);width:32px;height:32px;transition:all var(--transition-normal);background:0 0;border:none;justify-content:center;align-items:center;padding:0;font-size:1.25rem;display:flex}.modal-close:hover{background:var(--color-bg-tertiary);color:var(--text-primary)}.modal-body{padding:1.5rem}.modal-body p{color:var(--text-primary);line-height:var(--line-height-relaxed);font-size:var(--font-size-sm);margin-bottom:1rem}.modal-body p:last-child{margin-bottom:0}.modal-info{background:var(--color-primary-xlight);color:var(--primary-color);border-radius:var(--radius-md);font-size:var(--font-size-sm);border:1px solid rgba(29,78,216,.15);padding:10px 14px}.modal-warning{color:#92400e;border-radius:var(--radius-md);font-size:var(--font-size-sm);background:#fef3c7;border:1px solid #fde68a;padding:10px 14px}.modal-footer{border-top:1px solid var(--border-color);justify-content:flex-end;gap:.75rem;padding:1.25rem 1.5rem;display:flex}.pagination{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);justify-content:center;align-items:center;gap:.5rem;padding:1rem 1.25rem;display:flex}.pagination-btn{border:1px solid var(--border-color);background:var(--color-bg-primary);border-radius:var(--radius-md);cursor:pointer;width:34px;height:34px;transition:all var(--transition-normal);color:var(--text-secondary);justify-content:center;align-items:center;display:flex}.pagination-btn:hover:not(:disabled){background:var(--color-primary-xlight);border-color:var(--primary-color);color:var(--primary-color)}.pagination-btn:disabled{opacity:.4;cursor:not-allowed}.pagination-icon{width:16px;height:16px}.pagination-pages,.pagination-page-group{align-items:center;gap:4px;display:flex}.pagination-page{border:1px solid var(--border-color);background:var(--color-bg-primary);border-radius:var(--radius-md);cursor:pointer;min-width:34px;height:34px;transition:all var(--transition-normal);color:var(--text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);justify-content:center;align-items:center;padding:0 8px;display:flex}.pagination-page:hover:not(.active){background:var(--color-bg-secondary);border-color:var(--color-border-dark)}.pagination-page.active{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.pagination-ellipsis{width:34px;height:34px;color:var(--color-text-tertiary);font-weight:var(--font-weight-semibold);justify-content:center;align-items:center;display:flex}@media (max-width:1024px){.enrollments-table-container{overflow-x:auto}.enrollments-table{min-width:800px}}@media (max-width:768px){.action-buttons{flex-direction:column}.btn{justify-content:center;width:100%}.modal-footer{flex-direction:column-reverse}.modal-footer .btn{width:100%}.search-meta{flex-direction:column;align-items:flex-start}.pagination{flex-wrap:wrap;gap:.25rem}}@media (max-width:640px){.enrollments-table th,.enrollments-table td{padding:10px 8px}.page-header h1{font-size:1.25rem}}.user-management-page{background:var(--color-bg-secondary);padding:0}.user-management-container{flex-direction:column;gap:1.25rem;display:flex}.user-management-header{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:1.5rem}.user-management-title{font-size:1.5rem;font-weight:var(--font-weight-bold);color:var(--text-primary);letter-spacing:-.02em;margin:0 0 4px}.user-management-subtitle{color:var(--text-secondary);font-size:var(--font-size-sm);margin:0}.btn-create-user{background:var(--primary-color);color:#fff;border-radius:var(--radius-md);font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);font-family:var(--font-family);cursor:pointer;box-shadow:var(--shadow-sm);transition:background var(--transition-normal);border:none;align-items:center;gap:6px;padding:9px 16px;display:inline-flex}.btn-create-user:hover{background:var(--primary-hover)}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;display:grid}.stat-card{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:border-color var(--transition-normal), box-shadow var(--transition-normal);padding:1.25rem}.stat-card:hover{border-color:var(--color-primary-light);box-shadow:var(--shadow-md)}.stat-card:before{display:none}.stat-card-icon{border-radius:var(--radius-md);background:var(--color-primary-xlight);width:44px;height:44px;color:var(--primary-color);box-shadow:none;justify-content:center;align-items:center;margin-bottom:1rem;display:flex}.stat-card-icon.total,.stat-card-icon.students,.stat-card-icon.admins{background:var(--color-primary-xlight);color:var(--primary-color)}.stat-card:hover .stat-card-icon{transform:none}.stat-card-value{font-size:1.75rem;font-weight:var(--font-weight-bold);color:var(--text-primary);letter-spacing:-.02em;margin-bottom:4px}.stat-card-label{font-size:var(--font-size-xs);color:var(--text-secondary);font-weight:var(--font-weight-medium);text-transform:uppercase;letter-spacing:.05em}.filters-container{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:1rem 1.25rem;animation:none}.filter-button{border-radius:var(--radius-md);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);font-family:var(--font-family);transition:all var(--transition-normal);border:1px solid var(--border-color);cursor:pointer;white-space:nowrap;align-items:center;gap:6px;padding:7px 14px;display:inline-flex}.filter-button.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:none;transform:none}.filter-button:not(.active){background:var(--color-bg-secondary);color:var(--text-secondary)}.filter-button:not(.active):hover{background:var(--color-bg-tertiary);border-color:var(--color-border-dark);transform:none}.filter-count{color:var(--text-secondary);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);background:var(--color-bg-secondary);border-radius:var(--radius-md);border:1px solid var(--border-color);align-items:center;gap:6px;padding:6px 12px;display:flex}.alert{border-radius:var(--radius-md);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);box-shadow:none;align-items:center;gap:8px;margin-bottom:1rem;padding:12px 16px;animation:none;display:flex}.alert-success{color:#065f46;background:#d1fae5;border:1px solid #a7f3d0}.alert-error{color:#991b1b;background:#fee2e2;border:1px solid #fecaca}.loading-container{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);flex-direction:column;justify-content:center;align-items:center;padding:4rem 2rem;display:flex}.loading-spinner{border:3px solid var(--color-border-medium);border-top:3px solid var(--primary-color);border-radius:50%;width:40px;height:40px;margin-bottom:1rem;animation:.8s linear infinite spin}.loading-text{color:var(--text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium)}.users-table-container{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);animation:none;overflow:hidden}.users-table{border-collapse:collapse;width:100%}.users-table thead{background:var(--color-bg-secondary)}.users-table thead th{text-align:left;border-bottom:1px solid var(--border-color);padding:10px 16px}.th-content{color:var(--text-secondary);font-weight:var(--font-weight-semibold);text-transform:uppercase;letter-spacing:.05em;font-size:var(--font-size-xs);align-items:center;gap:6px;display:flex}.users-table tbody tr{transition:background var(--transition-fast);border-bottom:1px solid var(--color-border-light)}.users-table tbody tr:hover{background:var(--color-bg-secondary);transform:none}.users-table tbody tr:last-child{border-bottom:none}.users-table tbody td{vertical-align:middle;padding:12px 16px}.user-cell{align-items:center;gap:10px;display:flex}.user-avatar{border-radius:var(--radius-md);background:var(--color-primary-xlight);width:36px;height:36px;color:var(--primary-color);font-weight:var(--font-weight-bold);box-shadow:none;justify-content:center;align-items:center;font-size:.9rem;display:flex}.user-name{font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);color:var(--text-primary);align-items:center;gap:6px;display:flex}.you-badge{color:#92400e;border-radius:var(--radius-full);font-size:10px;font-weight:var(--font-weight-bold);text-transform:uppercase;letter-spacing:.04em;background:#fef3c7;padding:2px 6px}.email-cell{color:var(--text-secondary);font-size:var(--font-size-sm)}.role-badge{border-radius:var(--radius-full);font-weight:var(--font-weight-medium);font-size:var(--font-size-xs);box-shadow:none;align-items:center;gap:5px;padding:4px 10px;transition:none;display:inline-flex}.role-badge:hover{box-shadow:none;transform:none}.role-badge.admin{background:var(--color-primary-xlight);color:var(--primary-color)}.role-badge.student{color:#065f46;background:#d1fae5}.role-select{border:1px solid var(--border-color);border-radius:var(--radius-md);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);font-family:var(--font-family);transition:border-color var(--transition-normal);background:var(--color-bg-primary);cursor:pointer;color:var(--text-primary);padding:6px 10px}.role-select:hover{border-color:var(--color-border-dark)}.role-select:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px rgba(29,78,216,.1)}.verified-badge,.pending-badge{border-radius:var(--radius-full);font-weight:var(--font-weight-medium);font-size:var(--font-size-xs);align-items:center;gap:5px;padding:4px 10px;display:inline-flex}.verified-badge{color:#065f46;background:#d1fae5}.pending-badge{color:#92400e;background:#fef3c7}.btn-delete{color:var(--color-error);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);font-family:var(--font-family);transition:all var(--transition-normal);cursor:pointer;border-radius:var(--radius-md);background:0 0;border:none;align-items:center;gap:5px;padding:5px 10px;display:inline-flex}.btn-delete:hover:not(:disabled){color:#dc2626;background:#fee2e2;transform:none}.btn-delete:disabled{opacity:.5;cursor:not-allowed}.btn-sync{color:#16a34a;border-radius:var(--radius-md);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);font-family:var(--font-family);cursor:pointer;transition:all var(--transition-normal);background:#f0fdf4;border:1px solid #bbf7d0;align-items:center;gap:5px;padding:5px 10px;text-decoration:none;display:inline-flex}.btn-sync:hover:not(:disabled){background:#dcfce7;border-color:#86efac;transform:none}.btn-sync:disabled{opacity:.5;cursor:not-allowed}.action-buttons{flex-direction:column;align-items:flex-start;gap:4px;display:flex}.disabled-text{color:var(--color-text-tertiary);font-size:var(--font-size-sm);font-style:italic}.pagination-container{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);justify-content:center;align-items:center;gap:1rem;margin-top:1rem;padding:1rem 1.25rem;display:flex}.pagination-button{border:1px solid var(--border-color);border-radius:var(--radius-md);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);font-family:var(--font-family);transition:all var(--transition-normal);background:var(--color-bg-primary);color:var(--text-primary);cursor:pointer;align-items:center;gap:6px;padding:8px 14px;display:inline-flex}.pagination-button:hover:not(:disabled){border-color:var(--primary-color);background:var(--color-primary-xlight);color:var(--primary-color);box-shadow:none;transform:none}.pagination-button:disabled{opacity:.4;cursor:not-allowed}.pagination-info{background:var(--color-bg-secondary);border-radius:var(--radius-md);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);border:1px solid var(--border-color);align-items:center;gap:6px;padding:6px 12px;display:flex}.pagination-current{color:var(--primary-color)}.pagination-separator{color:var(--color-text-tertiary)}.pagination-total{color:var(--text-secondary)}.empty-state{text-align:center;background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:4rem 2rem}.empty-state-icon{border-radius:var(--radius-lg);background:var(--color-bg-tertiary);width:72px;height:72px;color:var(--color-text-tertiary);justify-content:center;align-items:center;margin:0 auto 1.5rem;display:flex}.empty-state-title{font-size:1.25rem;font-weight:var(--font-weight-semibold);color:var(--text-primary);margin-bottom:8px}.empty-state-text{font-size:var(--font-size-sm);color:var(--text-secondary);max-width:400px;line-height:var(--line-height-relaxed);margin:0 auto}.modal-overlay{z-index:var(--z-modal);background:rgba(0,0,0,.5);justify-content:center;align-items:center;padding:1.5rem;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.modal-content{background:var(--color-bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header-section{border-bottom:1px solid var(--border-color);background:var(--color-bg-secondary);border-radius:var(--radius-xl) var(--radius-xl) 0 0;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.modal-title{font-size:1.15rem;font-weight:var(--font-weight-semibold);color:var(--text-primary);-webkit-text-fill-color:var(--text-primary);background:0 0}.modal-close-button{border-radius:var(--radius-md);background:var(--color-bg-tertiary);cursor:pointer;width:32px;height:32px;color:var(--text-secondary);transition:all var(--transition-normal);border:none;justify-content:center;align-items:center;display:flex}.modal-close-button:hover{background:var(--color-border-medium);color:var(--text-primary);transform:none}.modal-form{padding:1.5rem}.form-group{margin-bottom:1.25rem}.form-label{font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);color:var(--text-primary);text-transform:none;letter-spacing:0;align-items:center;gap:6px;margin-bottom:6px;display:flex}.form-input{border:1px solid var(--border-color);border-radius:var(--radius-md);width:100%;font-size:var(--font-size-base);font-family:var(--font-family);color:var(--text-primary);background:var(--color-bg-primary);transition:border-color var(--transition-normal), box-shadow var(--transition-normal);padding:9px 12px}.form-input:hover{border-color:var(--color-border-dark)}.form-input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px rgba(29,78,216,.1)}.form-input::-webkit-input-placeholder{color:var(--color-text-tertiary)}.form-input::-moz-placeholder{color:var(--color-text-tertiary)}.form-input::-ms-input-placeholder{color:var(--color-text-tertiary)}.form-input::placeholder{color:var(--color-text-tertiary)}.modal-actions{border-top:1px solid var(--border-color);gap:.75rem;margin-top:1.5rem;padding-top:1.25rem;display:flex}.btn-secondary{border:1px solid var(--border-color);border-radius:var(--radius-md);font-weight:var(--font-weight-medium);font-size:var(--font-size-sm);font-family:var(--font-family);color:var(--text-primary);background:var(--color-bg-primary);cursor:pointer;transition:all var(--transition-normal);flex:1;padding:9px 16px}.btn-secondary:hover{background:var(--color-bg-secondary);border-color:var(--color-border-dark)}.btn-primary{border-radius:var(--radius-md);font-weight:var(--font-weight-semibold);font-size:var(--font-size-sm);font-family:var(--font-family);background:var(--primary-color);color:#fff;cursor:pointer;box-shadow:var(--shadow-sm);transition:background var(--transition-normal);border:none;flex:1;justify-content:center;align-items:center;gap:6px;padding:9px 16px;display:flex}.btn-primary:hover{background:var(--primary-hover);box-shadow:var(--shadow-md);transform:none}.btn-primary:active{transform:none}@media (max-width:768px){.user-management-page{padding:0}.stats-grid{grid-template-columns:1fr 1fr;gap:.75rem}.stat-card-value{font-size:1.4rem}.btn-create-user{justify-content:center;width:100%}.users-table-container{border-radius:var(--radius-md)}.overflow-x-auto{-webkit-overflow-scrolling:touch;overflow-x:auto}.users-table{min-width:700px}.pagination-container{flex-direction:column;gap:.75rem}.pagination-button{justify-content:center;width:100%}.modal-content{border-radius:var(--radius-lg)}.modal-actions{flex-direction:column}.form-input{font-size:16px}}@media (max-width:480px){.stats-grid{grid-template-columns:1fr}}.overflow-x-auto::-webkit-scrollbar{height:6px}.overflow-x-auto::-webkit-scrollbar-track{background:var(--color-bg-secondary)}.overflow-x-auto::-webkit-scrollbar-thumb{background:var(--color-border-dark);border-radius:3px}