* { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: #f0f2f5;
            color: #333;
            padding: 24px;
        }
        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }
        .header h1 { font-size: 20px; }
        .btn {
            padding: 8px 16px;
            border: none;
            border-radius: 6px;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .btn-primary { background: #667eea; color: #fff; }
        .btn-primary:hover { background: #5a6fd6; }
        .btn-default { background: #f5f5f5; color: #555; border: 1px solid #d9d9d9; }
        .btn-danger { background: #ff4d4f; color: #fff; }
        .btn-sm { padding: 4px 10px; font-size: 12px; }
        
        .stats {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 16px;
            margin-bottom: 24px;
        }
        .stat-card {
            background: #fff;
            border-radius: 10px;
            padding: 16px 20px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.06);
        }
        .stat-num { font-size: 28px; font-weight: 700; color: #667eea; }
        .stat-label { font-size: 13px; color: #888; margin-top: 4px; }
        
        .card {
            background: #fff;
            border-radius: 10px;
            padding: 20px;
            margin-bottom: 16px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.06);
        }
        .card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
        }
        .card-header h2 { font-size: 16px; }
        
        .filter-bar {
            display: flex;
            gap: 12px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .filter-bar input, .filter-bar select {
            padding: 6px 12px;
            border: 1px solid #d9d9d9;
            border-radius: 6px;
            font-size: 13px;
        }
        
        table { width: 100%; border-collapse: collapse; font-size: 13px; }
        th, td { padding: 12px; text-align: left; border-bottom: 1px solid #f0f0f0; }
        th { background: #fafafa; font-weight: 600; color: #666; }
        tr:hover td { background: #fafafa; }
        
        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 2px 8px;
            border-radius: 10px;
            font-size: 12px;
        }
        .status-online { background: #e8f5e9; color: #388e3c; }
        .status-offline { background: #ffebee; color: #c62828; }
        .status-busy { background: #fff3e0; color: #f57c00; }
        
        .tag {
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 10px;
            background: #f0f0f0;
            color: #666;
        }
        .tag-blue { background: #e6f7ff; color: #1890ff; }
        .tag-green { background: #e8f5e9; color: #388e3c; }
        .tag-purple { background: #f3e5f5; color: #7b1fa2; }
        
        .actions { display: flex; gap: 6px; }
        
        .agent-detail {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid #f0f0f0;
        }
        .detail-item { font-size: 12px; }
        .detail-label { color: #888; margin-bottom: 2px; }
        .detail-value { color: #333; font-weight: 500; }
        
        .modal {
            display: none;
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0,0,0,0.45);
            z-index: 1000;
            align-items: center;
            justify-content: center;
        }
        .modal.show { display: flex; }
        .modal-content {
            background: #fff;
            border-radius: 12px;
            width: 90%;
            max-width: 500px;
            max-height: 85vh;
            display: flex;
            flex-direction: column;
        }
        .modal-header {
            padding: 16px 20px;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .modal-body { padding: 20px; overflow-y: auto; flex: 1; }
        .modal-footer {
            padding: 14px 20px;
            border-top: 1px solid #eee;
            display: flex;
            justify-content: flex-end;
            gap: 10px;
        }
        .form-item { margin-bottom: 14px; }
        .form-item label { display: block; font-size: 13px; color: #666; margin-bottom: 6px; }
        .form-item input, .form-item select {
            width: 100%;
            padding: 8px 12px;
            border: 1px solid #d9d9d9;
            border-radius: 6px;
            font-size: 13px;
        }
        
        .toast {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 12px 20px;
            border-radius: 8px;
            color: #fff;
            font-size: 14px;
            display: none;
            z-index: 2000;
        }
        .toast.show { display: block; }
        .toast.success { background: #52c41a; }
        .toast.error { background: #ff4d4f; }
        
        .empty { text-align: center; padding: 48px; color: #999; }