:root{--primary: #3b82f6;--primary-dark: #2563eb;--primary-light: #60a5fa;--secondary: #8b5cf6;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #06b6d4;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--dark-bg: #0f172a;--dark-surface: #1e293b;--dark-border: #334155;--dark-text: #f1f5f9;--dark-text-secondary: #cbd5e1;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 5%);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / 10%);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 10%);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 10%);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease}.dark{--bg-primary: 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.filter-bar{background:var(--dark-surface);border-color:var(--dark-border)}.filter-group{display:flex;align-items:center;gap:var(--spacing-md)}.filter-label{font-size:.875rem;font-weight:500;color:var(--gray-600)}.filter-buttons{display:flex;gap:var(--spacing-sm)}.filter-chip{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-md);border-radius:var(--radius-full);border:1px solid var(--gray-300);background:#fff;color:var(--gray-700);font-size:.875rem;cursor:pointer;transition:all var(--transition-base)}.filter-chip:hover{border-color:var(--primary);background:#3b82f60d}.filter-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.filter-count{padding:0 var(--spacing-xs);border-radius:var(--radius-full);background:#0000001a;font-size:.75rem;font-weight:600}.status-bar{background:#fff;border-bottom:1px solid var(--gray-200);padding:var(--spacing-md) 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.metric-card{background:var(--gray-800);border-color:var(--dark-border)}.metric-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-sm)}.metric-label{font-size:.75rem;font-weight:500;text-transform:uppercase;color:var(--gray-500)}.metric-trend{display:flex;align-items:center;gap:2px}.trend-up{color:var(--success)}.trend-down{color:var(--danger)}.trend-stable{color:var(--gray-400)}.trend-value{font-size:.75rem;font-weight:600}.metric-value{font-size:1.5rem;font-weight:700;color:var(--gray-900)}.dark .metric-value{color:var(--dark-text)}.quick-actions{display:flex;gap:var(--spacing-sm);align-items:center;flex-wrap:wrap}.quick-action-button{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);border:1px solid var(--gray-300);background:#fff;color:var(--gray-700);font-size:.8125rem;font-weight:500;cursor:pointer;transition:all 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var(--transition-base)}.batch-action-button:hover{background:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}.batch-action-button:disabled{opacity:.5;cursor:not-allowed}.batch-action-button.danger{background:var(--danger);color:#fff}.batch-action-button.danger:hover{background:#dc2626}.actions-divider{width:1px;height:24px;background:#ffffff4d}.dropdown-container{position:relative}.dropdown-menu{position:absolute;top:calc(100% + var(--spacing-xs));left:0;background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:200px;max-height:300px;overflow-y:auto;z-index:100}.dropdown-header{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);font-size:.875rem;font-weight:500;color:var(--gray-600)}.dropdown-divider{height:1px;background:var(--gray-200);margin:var(--spacing-xs) 0}.dropdown-item{display:block;width:100%;padding:var(--spacing-sm) var(--spacing-md);border:none;background:transparent;text-align:left;font-size:.875rem;color:var(--gray-700);cursor:pointer;transition:all var(--transition-base)}.dropdown-item:hover{background:var(--gray-100)}.folder-indent{display:block}.processing-indicator{display:flex;align-items:center;gap:var(--spacing-sm);padding:0 var(--spacing-md)}.processing-spinner{width:16px;height:16px;border:2px solid rgb(255 255 255 / 30%);border-top-color:#fff;border-radius:var(--radius-full);animation:spin .8s linear infinite}.certificate-container{flex:1;padding:var(--spacing-lg);overflow-y:auto;background:var(--gray-50);min-height:0}.dark .certificate-container{background:var(--dark-bg)}.pagination-container{margin-top:var(--spacing-xl);display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg) var(--spacing-xl);border-radius:var(--radius-xl);border:1px solid var(--gray-200);background:#fff;box-shadow:var(--shadow-xs)}.dark .pagination-container{border-color:var(--dark-border);background:var(--dark-surface);box-shadow:none}.pagination-summary{font-size:.875rem;color:var(--gray-600)}.dark .pagination-summary{color:var(--dark-text-secondary)}.pagination-actions{display:flex;align-items:center;gap:var(--spacing-md)}.pagination-trigger{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-full);border:1px solid var(--gray-300);background:#fff;color:var(--gray-600);transition:all var(--transition-base)}.pagination-trigger:hover:not(:disabled){border-color:var(--primary);color:var(--primary);box-shadow:0 0 0 3px #3b82f61a}.pagination-trigger:disabled{opacity:.4;cursor:not-allowed}.dark .pagination-trigger{border-color:var(--dark-border);background:var(--gray-900);color:var(--dark-text-secondary)}.dark .pagination-trigger:hover:not(:disabled){border-color:var(--primary);color:var(--primary-light);box-shadow:none}.pagination-status{display:flex;align-items:baseline;gap:var(--spacing-xs);font-size:.875rem;color:var(--gray-600)}.pagination-label{text-transform:uppercase;font-weight:600;letter-spacing:.04em;font-size:.75rem;color:var(--gray-500)}.pagination-value,.pagination-total{font-weight:600;color:var(--gray-900)}.pagination-divider,.pagination-divider-vertical{color:var(--gray-400)}.pagination-divider-vertical{width:1px;height:24px;background:var(--gray-200)}.dark .pagination-status{color:var(--dark-text-secondary)}.dark .pagination-label{color:var(--dark-text-muted)}.dark .pagination-value,.dark .pagination-total{color:#fff}.dark .pagination-divider,.dark .pagination-divider-vertical{background:var(--dark-border);color:var(--dark-border)}.pagination-limit{display:flex;align-items:center;gap:var(--spacing-xs);font-size:.875rem;color:var(--gray-600)}.pagination-limit-label{font-weight:500}.pagination-select{min-width:80px;border-radius:var(--radius-md);border:1px solid var(--gray-300);padding:var(--spacing-xs) var(--spacing-sm);background:#fff;color:var(--gray-700);font-size:.875rem;transition:border-color var(--transition-base),box-shadow var(--transition-base)}.pagination-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #3b82f626;outline:none}.dark .pagination-limit{color:var(--dark-text-secondary)}.dark .pagination-select{border-color:var(--dark-border);background:var(--gray-900);color:#fff}.dark .pagination-select:focus{border-color:var(--primary);box-shadow:none}@media (max-width: 1024px){.pagination-container{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}.pagination-actions{width:100%;justify-content:space-between}}@media (max-width: 640px){.pagination-actions{flex-wrap:wrap;gap:var(--spacing-sm)}.pagination-limit{width:100%;justify-content:flex-end}}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;color:var(--gray-500)}.loading-spinner{width:48px;height:48px;border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:var(--radius-full);animation:spin .8s linear infinite;margin-bottom:var(--spacing-md)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;text-align:center;color:var(--gray-500)}.empty-icon{color:var(--gray-300);margin-bottom:var(--spacing-md)}.empty-state h3{font-size:1.25rem;font-weight:600;color:var(--gray-700);margin-bottom:var(--spacing-sm)}.dark .empty-state h3{color:var(--dark-text)}.empty-state p{font-size:.875rem;color:var(--gray-500);margin-bottom:var(--spacing-lg)}.certificate-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--spacing-lg);overflow:visible}.certificate-card{background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-lg);transition:all var(--transition-base);cursor:pointer;position:relative}.certificate-card.menu-open{z-index:50;border-color:var(--primary)}.certificate-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.certificate-card.selected{border-color:var(--primary);box-shadow:0 0 0 3px #3b82f61a}.dark .certificate-card{background:var(--dark-surface);border-color:var(--dark-border)}.card-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md);border-bottom:1px solid var(--gray-100)}.dark .card-header{border-color:var(--dark-border)}.certificate-card .header-left{display:flex;align-items:center;gap:var(--spacing-sm)}.certificate-card .header-right{position:relative;display:flex;align-items:center}.card-header-left{display:flex;align-items:center;gap:var(--spacing-sm)}.certificate-type{display:flex;align-items:center;gap:var(--spacing-xs);font-size:.75rem;font-weight:500;color:var(--gray-600);text-transform:uppercase}.status-badge{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-full);font-size:.75rem;font-weight:600;text-transform:uppercase}.status-badge.status-active{background:var(--success);background:#10b9811a;color:var(--success)}.status-badge.status-expiring{background:var(--warning);background:#f59e0b1a;color:var(--warning)}.status-badge.status-expired{background:var(--danger);background:#ef44441a;color:var(--danger)}.select-checkbox,.more-button{padding:var(--spacing-xs);border-radius:var(--radius-sm);background:transparent;border:none;color:var(--gray-500);cursor:pointer;transition:all var(--transition-base)}.select-checkbox:hover,.more-button:hover{background:var(--gray-100);color:var(--gray-700)}.card-body{padding:var(--spacing-md)}.certificate-name{font-size:1rem;font-weight:600;color:var(--gray-900);margin-bottom:var(--spacing-md);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dark .certificate-name{color:var(--dark-text)}.certificate-details{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-bottom:var(--spacing-md)}.detail-item{display:flex;align-items:center;gap:var(--spacing-sm);font-size:.8125rem;color:var(--gray-600)}.detail-label{font-weight:500;color:var(--gray-500)}.detail-value{color:var(--gray-700);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dark .detail-value{color:var(--dark-text-secondary)}.expiry-status{margin-top:var(--spacing-md)}.expiry-bar{height:6px;background:var(--gray-200);border-radius:var(--radius-full);overflow:hidden;margin-bottom:var(--spacing-xs)}.expiry-progress{height:100%;border-radius:var(--radius-full);transition:width var(--transition-slow)}.expiry-bar.status-active .expiry-progress{background:var(--success)}.expiry-bar.status-expiring .expiry-progress{background:var(--warning)}.expiry-bar.status-expired .expiry-progress{background:var(--danger)}.expiry-text{font-size:.75rem;font-weight:500;color:var(--gray-500)}.card-actions{position:absolute;bottom:var(--spacing-md);right:var(--spacing-md);display:flex;gap:var(--spacing-xs);padding:var(--spacing-xs);background:#fff;border:1px solid var(--gray-200);border-radius:var(--radius-md);box-shadow:var(--shadow-md)}.dark .card-actions{background:var(--dark-surface);border-color:var(--dark-border)}.card-actions .action-button{padding:var(--spacing-xs);border:none;min-width:auto}.certificate-list{background:#fff;border-radius:var(--radius-lg);overflow:visible;box-shadow:var(--shadow-sm)}.dark .certificate-list{background:var(--dark-surface)}.certificate-table{width:100%;border-collapse:collapse}.certificate-table thead{background:var(--gray-50);border-bottom:1px solid var(--gray-200)}.dark .certificate-table thead{background:var(--gray-800);border-color:var(--dark-border)}.certificate-table th{padding:var(--spacing-md);text-align:left;font-size:.75rem;font-weight:600;text-transform:uppercase;color:var(--gray-600);white-space:nowrap}.certificate-table th.sortable{cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;transition:all var(--transition-base)}.certificate-table th.sortable:hover{color:var(--gray-900)}.dark .certificate-table th.sortable:hover{color:var(--dark-text)}.sort-icon{margin-left:var(--spacing-xs);vertical-align:middle;opacity:.4;transition:all var(--transition-base)}.sort-icon.active{opacity:1;color:var(--primary)}.checkbox-column{width:48px;text-align:center}.actions-column{width:140px;text-align:center;overflow:visible;position:relative}.certificate-table tbody tr{border-bottom:1px solid var(--gray-100);transition:all var(--transition-base);overflow:visible}.dark .certificate-table tbody tr{border-color:var(--dark-border)}.certificate-row:hover{background:var(--gray-50);cursor:pointer}.certificate-row.selected{background:var(--primary);background:#3b82f60d}.dark .certificate-row:hover{background:var(--gray-800)}.certificate-table td{padding:var(--spacing-md);font-size:.875rem;color:var(--gray-700)}.dark .certificate-table td{color:var(--dark-text-secondary)}.certificate-name-cell{display:flex;align-items:center;gap:var(--spacing-sm)}.name-column .certificate-name{font-weight:600;color:var(--gray-900);max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:0}.dark .name-column .certificate-name{color:var(--dark-text)}.expiry-cell{display:flex;align-items:center;gap:var(--spacing-sm)}.days-badge{padding:2px 6px;border-radius:var(--radius-full);font-size:.625rem;font-weight:600;text-transform:uppercase}.days-badge.status-active{background:#10b9811a;color:var(--success)}.days-badge.status-expiring{background:#f59e0b1a;color:var(--warning)}.days-badge.status-expired{background:#ef44441a;color:var(--danger)}.row-actions{display:flex;align-items:center;justify-content:center;gap:var(--spacing-xs);position:relative;overflow:visible}.row-actions .action-button{padding:var(--spacing-xs);border:none;min-width:auto;background:transparent}.row-actions .action-button:hover{background:var(--gray-100)}.select-all-checkbox{padding:0;border:none;background:transparent;color:var(--gray-600);cursor:pointer;display:flex;align-items:center;justify-content:center}.checkbox-indeterminate{width:14px;height:14px;background:var(--primary);border-radius:2px;position:relative}.checkbox-indeterminate:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:8px;height:2px;background:#fff}.confirm-modal-overlay{position:fixed;inset:0;background:#0000007f;display:flex;align-items:center;justify-content:center;z-index:var(--z-modal)}.confirm-modal{background:#fff;border-radius:var(--radius-lg);padding:var(--spacing-2xl);max-width:480px;width:90%;text-align:center;box-shadow:var(--shadow-xl)}.dark .confirm-modal{background:var(--dark-surface)}.modal-icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:var(--radius-full);margin:0 auto var(--spacing-lg)}.modal-icon.danger{background:#ef44441a;color:var(--danger)}.confirm-modal h3{font-size:1.25rem;font-weight:600;color:var(--gray-900);margin-bottom:var(--spacing-md)}.dark .confirm-modal h3{color:var(--dark-text)}.confirm-modal p{font-size:.875rem;color:var(--gray-600);margin-bottom:var(--spacing-2xl)}.modal-actions{display:flex;gap:var(--spacing-md);justify-content:center}.modal-button{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--radius-md);border:1px solid var(--gray-300);background:#fff;color:var(--gray-700);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-base)}.modal-button:hover{background:var(--gray-50)}.modal-button.danger{background:var(--danger);border-color:var(--danger);color:#fff}.modal-button.danger:hover{background:#dc2626;border-color:#dc2626}.mt-4{margin-top:var(--spacing-md)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.virtual-certificate-list{position:relative;will-change:scroll-position}.virtual-scroll-indicator{position:fixed;right:20px;bottom:20px;padding:8px 16px;background:var(--card-bg);border:1px solid var(--border-color);border-radius:20px;box-shadow:var(--shadow-lg);z-index:100;animation:fadeIn .2s ease}.virtual-scroll-indicator .scroll-position{font-size:12px;font-weight:600;color:var(--text-secondary)}@media (width <=1280px){.certificate-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.status-section{flex-direction:column}.quick-actions{flex-wrap:wrap}.tab-actions{flex-direction:column;align-items:stretch}.action-group{justify-content:stretch}}@media (width <=768px){.dashboard-header{flex-direction:column;gap:var(--spacing-md)}.header-center{max-width:100%}.header-right{width:100%;justify-content:space-between}.certificate-grid{grid-template-columns:1fr}.primary-stats{flex-direction:column}.action-button span{display:none}.dashboard-sidebar{position:fixed;z-index:100;height:100%;transform:translate(-100%);transition:transform var(--transition-slow)}.dashboard-sidebar.mobile-open{transform:translate(0)}}@media print{.dashboard-sidebar,.dashboard-header,.status-bar,.action-toolbar,.filter-bar{display:none}.certificate-container{padding:0}.certificate-card,.certificate-row{-moz-column-break-inside:avoid;break-inside:avoid}}