ction: column;
        }

        .panel-header {
            background: #f8f9fa;
            padding: 0.75rem 1rem;
            border-bottom: 1px solid #dee2e6;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .panel-title {
            font-weight: 600;
            color: #495057;
        }

        .btn {
            background: #667eea;
            color: white;
            border: none;
            padding: 0.5rem 1rem;
       