.DIYNodeBox {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: auto;

    .DIYNodeBox {
        /* existing code */

        .DIYNodeBox-iframe {
            height: 100%;
            width: 100%;
            border: none;
        }
    }

    .DIYNodeBox-searchbar {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        padding: 10px;

        input[type='text'] {
            flex: 1;
            margin-right: 10px;
        }

        button {
            padding: 5px 10px;
        }
    }

    .DIYNodeBox-content {
        flex: 1;
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        .diagramBox {
            flex: 1;
            display: flex;
            justify-content: center;
            align-items: center;
            width: 100%;
            height: 100%;
            svg {
                flex: 1;
                display: flex;
                justify-content: center;
                align-items: center;
                width: 100%;
                height: 100%;
            }
        }
    }

    .loading-circle {
        position: relative;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        border: 3px solid #ccc;
        border-top-color: #333;
        animation: spin 1s infinite linear;
    }

    @keyframes spin {
        0% {
            transform: rotate(0deg);
        }
        100% {
            transform: rotate(360deg);
        }
    }
}