.alert-center-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);padding:var(--spacing-lg);background:linear-gradient(135deg,#667eea,#764ba2);border-radius:var(--radius-xl);box-shadow:var(--shadow-2);color:#fff;position:relative;overflow:hidden;font-family:var(--font-family)}.alert-center-header:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:pulse 4s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:.5}50%{transform:scale(1.1);opacity:.8}}.alert-center-header h2,.alert-center-header p{color:#fff!important;position:relative;z-index:1;font-family:var(--font-family);line-height:var(--line-height-base)}.alert-center-header h2{font-size:var(--font-size-xxl);font-weight:var(--font-weight-semibold);margin:0}.alert-center-header p{font-size:var(--font-size-base);font-weight:var(--font-weight-regular);margin:0}.quick-actions{display:flex;align-items:center;gap:var(--spacing-sm);flex-wrap:wrap;font-family:var(--font-family)}.quick-action-btn{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);background:#fff3;border:1px solid rgba(255,255,255,.3);color:#fff;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);line-height:var(--line-height-base)}.quick-action-btn:hover{background:#ffffff4d;border-color:#ffffff80;transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.quick-action-btn:active{transform:translateY(0)}.alert-table-wrapper{padding:0 var(--spacing-base);font-family:var(--font-family)}.alert-table-wrapper .ant-table-wrapper{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--color-border-light)}.alert-table-wrapper .ant-table-thead>tr>th{background:linear-gradient(to bottom,var(--color-bg-container),var(--color-bg-container-hover));color:var(--color-text-primary);font-weight:var(--font-weight-semibold);border-bottom:2px solid var(--color-border);padding:var(--spacing-md) var(--spacing-base);font-size:var(--font-size-base);line-height:var(--line-height-base)}.alert-table-wrapper .ant-table-tbody>tr{transition:all .2s ease}.alert-table-wrapper .ant-table-tbody>tr>td{padding:var(--spacing-md) var(--spacing-base);font-size:var(--font-size-base);line-height:var(--line-height-base);color:var(--color-text-primary)}.alert-table-wrapper .ant-table-tbody>tr:hover>td{background:var(--color-bg-hover);box-shadow:inset 0 0 0 1px var(--color-primary-light)}.alert-table-wrapper .ant-table-tbody>tr.alert-row-critical{background:#f5222d0d}.alert-table-wrapper .ant-table-tbody>tr.alert-row-important{background:#ff7a450d}.alert-table-wrapper .ant-table-pagination{margin:var(--spacing-md) 0 var(--spacing-sm) 0}.alert-tag{border-radius:var(--radius-sm);padding:var(--spacing-xs) var(--spacing-md);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);display:inline-flex;align-items:center;gap:var(--spacing-xs);border:none;animation:fadeIn .3s ease;font-family:var(--font-family);line-height:var(--line-height-tight)}@keyframes fadeIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.alert-tag-critical{background:linear-gradient(135deg,var(--color-error) 0%,#cf1322 100%);color:#fff;box-shadow:0 2px 8px #cf13224d}.alert-tag-important{background:linear-gradient(135deg,#ff7a45,#fa541c);color:#fff;box-shadow:0 2px 8px #fa541c4d}.alert-tag-warning{background:linear-gradient(135deg,var(--color-warning) 0%,#fa8c16 100%);color:#fff;box-shadow:0 2px 8px #fa8c164d}.alert-center .ant-btn{border-radius:var(--radius-md);transition:all .3s cubic-bezier(.4,0,.2,1);font-weight:var(--font-weight-medium)}.alert-center .ant-btn-primary{background:linear-gradient(135deg,var(--color-primary) 0%,#5a67d8 100%);border:none;box-shadow:0 2px 8px #2f54eb4d}.alert-center .ant-btn-primary:hover{background:linear-gradient(135deg,var(--color-primary-hover) 0%,#4c51bf 100%);box-shadow:0 4px 12px #2f54eb66;transform:translateY(-2px)}.alert-center .ant-btn-link{transition:all .2s ease}.alert-center .ant-btn-link:hover{transform:scale(1.05)}.alert-center .ant-card{border-radius:var(--radius-xl);box-shadow:var(--shadow-2);border:1px solid var(--color-border-light);transition:all .3s ease;font-family:var(--font-family)}.alert-center .ant-card:hover{box-shadow:var(--shadow-3)}.alert-center .ant-card-head{border-bottom:1px solid var(--color-border-light);background:linear-gradient(to bottom,var(--color-bg-container),var(--color-bg-card))}.alert-center .ant-card-head-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);line-height:var(--line-height-base);font-family:var(--font-family)}.alert-center .ant-card-body{font-size:var(--font-size-base);line-height:var(--line-height-base);color:var(--color-text-primary)}.alert-detail-drawer .ant-drawer-header{border-bottom:1px solid var(--color-border-light);background:linear-gradient(to bottom,var(--color-bg-container),var(--color-bg-card))}.alert-detail-drawer .ant-drawer-title{font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);line-height:var(--line-height-base);font-family:var(--font-family)}.alert-detail-drawer .ant-drawer-body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-base);color:var(--color-text-primary)}.alert-detail-section{margin-bottom:var(--spacing-lg);padding:var(--spacing-md);background:var(--color-bg-container);border-radius:var(--radius-md);border:1px solid var(--color-border-light);transition:all .2s ease;font-family:var(--font-family)}.alert-detail-section:hover{border-color:var(--color-primary-light);box-shadow:0 2px 8px #0000000d}.alert-detail-section h4{margin:0 0 var(--spacing-sm) 0;font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);color:var(--color-text-primary);display:flex;align-items:center;gap:var(--spacing-xs);line-height:var(--line-height-base);font-family:var(--font-family)}.alert-detail-section h4:before{content:"";width:4px;height:16px;background:var(--color-primary);border-radius:2px}.alert-empty-state{text-align:center;padding:var(--spacing-xxl) var(--spacing-lg);font-family:var(--font-family)}.alert-empty-icon{font-size:var(--font-size-icon-xl);color:var(--color-text-tertiary);margin-bottom:var(--spacing-md);opacity:.5;line-height:1}.alert-empty-text{font-size:var(--font-size-md);color:var(--color-text-secondary);margin-bottom:var(--spacing-sm);line-height:var(--line-height-base);font-weight:var(--font-weight-medium)}.alert-empty-description{font-size:var(--font-size-base);color:var(--color-text-tertiary);line-height:var(--line-height-normal);font-weight:var(--font-weight-regular)}.alert-loading-overlay{position:relative;min-height:200px}.alert-filters{display:flex;gap:var(--spacing-sm);flex-wrap:wrap;align-items:center;font-family:var(--font-family)}.alert-filter-label{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:var(--font-weight-medium);line-height:var(--line-height-normal)}.trend-chart-card{background:linear-gradient(to bottom right,#fff,#f8f9ff)}@media (max-width: 768px){.alert-center-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}.quick-actions{width:100%}.quick-action-btn{flex:1;justify-content:center}.alert-filters{width:100%}.alert-filters>*{flex:1;min-width:120px}}.alert-statistics-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);padding:var(--spacing-lg);background:var(--color-bg-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-2)}@media (max-width: 768px){.alert-statistics-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}}.alert-history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg);padding:var(--spacing-lg);background:linear-gradient(135deg,#667eea,#764ba2);border-radius:var(--radius-xl);box-shadow:var(--shadow-2);color:#fff;position:relative;overflow:hidden}.alert-history-header:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:pulse 4s ease-in-out infinite}.alert-history-header h2,.alert-history-header p{color:#fff!important;position:relative;z-index:1}.search-card{border-radius:var(--radius-xl);box-shadow:var(--shadow-2);border:1px solid var(--color-border-light)}.alert-search-form{display:flex;flex-wrap:wrap;gap:var(--spacing-base)}.alert-search-form .ant-form-item{margin-bottom:0}.alert-timeline{padding:var(--spacing-base) 0}.timeline-card{border-radius:var(--radius-md);transition:all .3s ease;cursor:pointer}.timeline-card:hover{box-shadow:var(--shadow-3);transform:translateY(-2px)}.timeline-message{font-size:var(--font-size-base);color:var(--color-text-primary);line-height:1.6}.timeline-entity{font-size:var(--font-size-base);color:var(--color-text-secondary)}.timeline-handled{font-size:var(--font-size-base);color:var(--color-text-tertiary);padding-top:var(--spacing-sm);border-top:1px solid var(--color-border-light)}.alert-history .ant-table-wrapper{border-radius:var(--radius-md)}.alert-detail-drawer .ant-descriptions-bordered .ant-descriptions-item-label{background:var(--color-bg-container);font-weight:500}.alert-detail-drawer .ant-descriptions-title{font-size:var(--font-size-md);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--spacing-md)}@media (max-width: 768px){.alert-history-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}.alert-search-form{flex-direction:column}.alert-search-form .ant-form-item{width:100%}.alert-search-form .ant-picker,.alert-search-form .ant-input,.alert-search-form .ant-select{width:100%!important}}