/* Add this to your existing CSS file */
        .performance-dashboard {
            padding: 20px;
            background: var(--hover-bg1);
            color: var(--text-color);
            border-radius: 10px;
        }
        
        .metrics-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .metric-card {
            background: var(--hover-bg);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            /* Fixed height for metric cards */
            height: 350px;
            width: 400px;
        }
        /* Specific styles for different chart types */
        #cpuChart, #memoryChart {
            max-width: 250px;
            max-height: 180px;
            margin: 0 auto;
        }

        #performanceHistoryChart{
            width: 100%;
            max-height: 380px;
            margin: 0 auto;
        }
        #networkChart{
            max-width: 300px;
            max-height: 250px;
            margin: 0 auto;
        }
        .metric-info {
            text-align: center;
            margin-top: 10px;
            height: 250px;
        }
        
        .metric-value {
            font-size: 24px;
            font-weight: bold;
            color: #2196F3;
        }
        
        .optimization-controls {
            margin-top: 30px;
        }
        
        .control-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 15px;
        }
        
        .control-card {
            background: var(--hover-bg2);
            padding: 20px;
            width: 100%;
            overflow-x: auto;
            scroll-behavior: smooth;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .control-card::-webkit-scrollbar{
            height: 8px;
        }
        .control-card::-webkit-scrollbar-thumb{
            background-color: var(--spotify-green);
        }
        .control-card::-webkit-scrollbar-track{
            background: var(--chat-user-bg);
        }
        .control-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 15px;
        }
        
        .control-header i {
            font-size: 20px;
            color: #2196F3;
        }
        
        .process-list {
            max-height: 200px;
            overflow-y: auto;
            margin-bottom: 10px;
        }
        
        .performance-history {
            margin-top: 30px;
            background: var(--chat-user-bg);
            max-height: 500px;
            padding: 20px;
            margin-bottom: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .history-controls {
            display: flex;
            gap: 15px;
            margin: 15px auto;
        }
        
        .history-controls select {
            padding: 8px;
            border-radius: 4px;
            border: 1px solid #ddd;
        }