body {
    font-family: Arial, sans-serif;
    margin: 20px;
}
header {
    background-color: rgb(91, 78, 226);
}
form {
    margin-bottom: 20px;
}
textarea {
    width: 100%;
    height: 100px;
    margin-top: 10px;
}
#result {
    margin-top: 20px;
}
h1 {
    color: rgb(160, 48, 48);
    text-align: center;
}
#visualizationImage {
    max-width: 100%;
    height: auto;
    display: block;
}
.hidden {
    display: none;
}
#loading {
    color: #555;
    font-style: italic;
    margin: 10px 0;
}
#error {
    color: red;
    margin: 10px 0;
}
button {
    margin-right: 10px;
}
#downloadLink {
    display: block;
    margin: 10px 0;
}