.author-stats-container {
            max-width: 1200px;
            margin: 20px auto;
            padding: 20px;
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }
        .author-stats-container h2 {
            color: #333;
            font-size: 24px;
            margin-bottom: 20px;
        }
        .author-stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }
        .chart-card {
            background: #f9f9f9;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        .chart-card canvas {
            max-height: 300px;
        }
        .stats-summary {
            padding: 15px;
            background: #e3f2fd;
            border-radius: 8px;
            margin-bottom: 20px;
        }
        .stats-summary p {
            margin: 5px 0;
            font-size: 16px;
            color: #333;
        }