* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            padding: 15px;
         /*   background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
            color: #2d3436;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
            overflow: hidden;
        }
        
        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: pulse 15s ease-in-out infinite;
        }
        
        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 0.5; }
            50% { transform: scale(1.1); opacity: 0.8; }
        }
        
        .header-content {
            position: relative;
            z-index: 1;
        }
        
        .header h1 {
            margin: 0 0 12px 0;
            font-size: 32px;
            font-weight: 700;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        .header .subtitle {
            font-size: 16px;
            opacity: 0.95;
            font-weight: 300;
            letter-spacing: 0.5px;
        }
        
        .chart-section {
            padding: 40px 30px;
            background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
        }
        
        .chart-title {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 25px;
            color: #2d3436;
            text-align: center;
            letter-spacing: -0.5px;
        }
        
        .chart-container {
            position: relative;
            height: 450px;
            background: white;
            padding: 20px;
            border-radius: 15px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
        }
        
        .stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            padding: 30px;
            background: #f8f9fa;
        }
        
        .stat-box {
            text-align: center;
            padding: 25px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 15px;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
            color: white;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .stat-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
        }
        
        .stat-value {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 8px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        .stat-label {
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 1px;
            opacity: 0.95;
            font-weight: 500;
        }
        
        .info {
            padding: 30px;
            background: linear-gradient(135deg, #e8eaf6 0%, #c5cae9 100%);
            border-left: 5px solid #667eea;
            font-size: 15px;
            color: #424242;
            line-height: 1.7;
        }
        
        .info strong {
            color: #667eea;
            font-weight: 600;
        }
        
        .info-title {
            font-size: 18px;
            font-weight: 700;
            color: #667eea;
            margin-bottom: 12px;
        }
        
        .error {
            padding: 30px;
            background: linear-gradient(135deg, #ffebee 0%, #ef5350 100%);
            color: white;
            text-align: center;
            font-weight: 600;
            font-size: 16px;
        }
        
        .footer {
            padding: 25px 30px;
            background: linear-gradient(135deg, #2d3436 0%, #000000 100%);
            text-align: center;
            font-size: 12px;
            color: rgba(255,255,255,0.8);
        }
        
        .footer a {
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s ease;
        }
        
        .footer a:hover {
            color: #764ba2;
        }
        
        .dollar-sign {
            font-size: 24px;
            opacity: 0.8;
            margin-right: 5px;
        }
        
        /* Mobil optimalizálás */
        @media (max-width: 768px) {
            body {
                padding: 8px;
            }
            
            .header {
                padding: 25px 20px;
            }
            
            .header h1 {
                font-size: 24px;
            }
            
            .header .subtitle {
                font-size: 14px;
            }
            
            .chart-section {
                padding: 25px 20px;
            }
            
            .chart-title {
                font-size: 18px;
            }
            
            .chart-container {
                height: 350px;
                padding: 15px;
            }
            
            .stats {
                padding: 20px 15px;
                gap: 15px;
            }
            
            .stat-box {
                padding: 20px;
            }
            
            .stat-value {
                font-size: 28px;
            }
            
            .stat-label {
                font-size: 11px;
            }
            
            .info {
                padding: 20px;
                font-size: 14px;
            }
        }
        
        @media (max-width: 480px) {
            .header h1 {
                font-size: 20px;
            }
            
            .chart-container {
                height: 300px;
            }
            
            .stat-value {
                font-size: 24px;
            }
            
            .dollar-sign {
                font-size: 18px;
            }
        }