* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
            color: white;
            min-height: 100vh;
            padding: 20px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        header {
            text-align: center;
            padding: 20px 0;
            margin-bottom: 30px;
        }
        
        h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
        }
        
        .dashboard {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
            gap: 25px;
            margin-bottom: 30px;
        }
        
        .chart-container {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: transform 0.3s ease;
        }
        
        .chart-container:hover {
            transform: translateY(-5px);
        }
        
        .chart-title {
            font-size: 1.4rem;
            margin-bottom: 15px;
            text-align: center;
            color: #fff;
        }
        
        .chart-wrapper {
            position: relative;
            height: 300px;
            width: 100%;
        }
        
        .controls {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        
        button {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            padding: 10px 20px;
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }
        
        button:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: scale(1.05);
        }
        
        .summary {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 25px;
            margin-top: 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .summary h2 {
            margin-bottom: 15px;
            text-align: center;
        }
        
        .stats {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .stat-card {
            background: rgba(255, 255, 255, 0.15);
            padding: 15px;
            border-radius: 10px;
            text-align: center;
            min-width: 150px;
        }
        
        .stat-value {
            font-size: 1.8rem;
            font-weight: bold;
            margin: 10px 0;
        }
        
        .stat-label {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        
        footer {
            text-align: center;
            margin-top: 40px;
            padding: 20px;
            opacity: 0.8;
        }
        
        @media (max-width: 768px) {
            .dashboard {
                grid-template-columns: 1fr;
            }
            
            .chart-container {
                padding: 15px;
            }
        }