body {
    margin: 0;
    font-family: Arial;
    background: #1e1e1e;
    color: white;
}

.container {
    padding: 10px;
}

.row {
    display: flex;
    gap: 10px;
}

.editor {
    width: 50%;
    height: 300px;
    border: 1px solid #333;
}

button {
    margin: 10px 0;
    padding: 10px 20px;
    cursor: pointer;
}

#output {
    background: #fff;
    color: #000;
    padding: 10px;
    min-height: 200px;
}