.sidebar-cart {
        font-size: 0.9rem;
    }
    
    .cart-header {
        border-bottom: 2px solid #e9ecef;
        padding-bottom: 10px;
        margin-bottom: 15px;
    }
    
    .cart-item-card {
        border: 1px solid #e9ecef;
        border-radius: 6px;
        padding: 10px;
        margin-bottom: 8px;
        background: #fafafa;
    }
    
    .cart-item-card:hover {
        background: #f0f0f0;
    }

    /* Mobile optimizations */
    @media (max-width: 768px) {
        .sidebar-cart {
            font-size: 0.85rem;
        }
        
        .cart-header h5 {
            font-size: 1.1rem;
        }
        
        .cart-item-card {
            padding: 8px;
            margin-bottom: 6px;
        }
        
        .item-name {
            font-size: 0.9rem;
            margin-bottom: 6px;
        }
        
        .extras-list {
            padding: 4px 6px;
            margin: 4px 0;
        }
        
        .extras-list li {
            font-size: 0.75rem;
        }
        
        .session-section {
            padding: 8px;
            margin-bottom: 12px;
        }
        
        .session-title {
            font-size: 0.8rem;
            margin-bottom: 8px;
        }
        
        .form-check-label {
            font-size: 0.8rem;
        }
        
        .btn-change {
            padding: 6px 12px;
            font-size: 0.75rem;
        }
        
        .total-section {
            padding: 10px;
        }
        
        .discount-section {
            padding: 8px;
            margin-bottom: 10px;
        }
        
        .price-info {
            margin-top: 6px;
        }
        
        .total-price {
            font-size: 1rem;
        }
    }
    
    .item-name {
        font-weight: 600;
        color: #333;
        margin-bottom: 8px;
    }
    
    .extras-list {
        background: white;
        border-radius: 4px;
        padding: 6px;
        margin: 6px 0;
        border-left: 2px solid #dee2e6;
    }
    
    .extras-list li {
        font-size: 0.8rem;
        color: #666;
        margin-bottom: 2px;
    }
    
    .price-info {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 8px;
    }
    
    .total-price {
        font-weight: bold;
        color: #007bff;
        font-size: 1.1rem;
    }
    
    .session-section {
        background: #f8f9fa;
        border-radius: 6px;
        padding: 12px;
        margin-bottom: 15px;
        border: 1px solid #e9ecef;
    }
    
    .session-title {
        font-weight: 500;
        color: #495057;
        margin-bottom: 10px;
        font-size: 0.9rem;
    }
    
    .form-check {
        margin-bottom: 8px;
    }
    
    .form-check-label {
        font-size: 0.85rem;
        color: #6c757d;
    }
    
    .btn-change {
        background: #007bff;
        border: none;
        border-radius: 6px;
        padding: 8px 16px;
        font-size: 0.8rem;
        transition: all 0.2s ease;
    }
    
    .btn-change:hover {
        background: #0056b3;
    }
    
    .total-section {
        color: #333;
        padding: 12px;
    }
    
    .discount-section {
        background: #f8f9fa;
        border: 1px solid #c3e6cb;
        border-radius: 6px;
        padding: 10px;
        margin-bottom: 12px;
    }
    
    .empty-cart {
        text-align: center;
        color: #6c757d;
        font-style: italic;
        padding: 20px;
    }