 background: white;
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            text-align: center;
            border: 2px solid #e0e7ff;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: bold;
            color: #667eea;
            display: block;
        }

        .stat-label {
            color: #666;
            font-size: 14px;
            margin-top: 5px;
        }

        .empty-state {
     