:root {
            --primary-color: #f7931a;
            --secondary-color: #76769f;
            --dark-color: #4646a7;
            --light-color: #f8f9fa;
            --success-color: #28a745;
            --danger-color: #dc3545;
            --info-color: #17a2b8;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--dark-color);
            color: var(--light-color);
        }
        
        .navbar {
            background-color: var(--secondary-color);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        
        .navbar-brand {
            font-weight: 700;
            color: var(--primary-color) !important;
        }
        
        .nav-link {
            color: var(--light-color) !important;
            transition: all 0.3s ease;
        }
        
        .nav-link:hover {
            color: var(--primary-color) !important;
        }
        
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        
        .btn-primary:hover {
            background-color: #e07b0a;
            border-color: #e07b0a;
        }
        
        .card {
            background-color: var(--secondary-color);
            border: none;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            transition: transform 0.3s ease;
        }
        
        .card:hover {
            transform: translateY(-5px);
        }
        
        .price-card {
            border-left: 4px solid var(--primary-color);
        }
        
        .price-up {
            color: var(--success-color);
        }
        
        .price-down {
            color: var(--danger-color);
        }
        
        .market-chart {
            height: 300px;
            background-color: var(--secondary-color);
            border-radius: 10px;
            padding: 15px;
        }
        
        footer {
            background-color: var(--secondary-color);
            padding: 30px 0;
        }
        
        .news-item {
            border-bottom: 1px solid #333;
            padding: 15px 0;
            transition: background-color 0.3s ease;
        }
        
        .news-item:hover {
            background-color: rgba(255, 255, 255, 0.05);
        }
        
        .feature-box {
            text-align: center;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 20px;
            height: 100%;
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .ticker-container {
            background-color: var(--secondary-color);
            padding: 10px 0;
            overflow: hidden;
            white-space: nowrap;
        }
        
        .ticker-item {
            display: inline-block;
            margin-right: 30px;
            font-size: 0.9rem;
        }
        
        .exchange-card {
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .exchange-card:hover {
            box-shadow: 0 8px 25px rgba(247, 147, 26, 0.2);
        }
        
        .progress {
            height: 8px;
            background-color: #333;
            border-radius: 4px;
        }
        
        .progress-bar {
            background-color: var(--primary-color);
        }
        
        @media (max-width: 768px) {
            .market-data-table {
                font-size: 0.8rem;
            }
        }