if;
            background-color: #2B2E38;
            color: #fff;
            line-height: 1.6;
            padding: 0;
            margin: 0;
            height: 100vh;
            display: flex;
            flex-direction: column;
        }
        
        .app-header {
            background-color: #1E2029;
            padding: 10px 20px;
            border-bottom: 1px solid #3A3D48;
            display: flex;
            justify-content: space-between;
            align-items: center