body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: auto;
    background-color: #f8f9fa;
}

h1, h2.subtitle {
    text-align: center;
}

h1 {
    margin-top: 0;
}

h2.subtitle {
    font-size: 18px;
    font-weight: normal;
    margin-top: -15px;
    margin-bottom: 20px;
}

img.logo {
    display: block;
    max-width: 50px;
    margin: auto;
    margin-bottom: 0px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

label {
    font-weight: bold;
}

textarea, input[type="text"], select, .form-select {
    width: 100%;
    padding: .375rem .75rem;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    background-color: #fff;
}

.button, button {
    width: 200px;
    align-self: center;
    background-color: #007BFF;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
}

.button:hover, button:hover {
    background-color: #0056B3;
}

#response, .response-area {
    border: 1px solid #ccc;
    padding: 10px;
    min-height: 100px;
    overflow-y: auto;
}

.logo {
    width: 100px;
    height: auto;
}

.card-header h2 {
    font-size: 1.25rem;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,.075);
    border: 1px solid #ced4da;
    height: 100%; 
}

.d-flex {
    display: flex;
    flex-direction: column;
}

.flex-grow-1 {
    flex-grow: 1;
}

.label-file-upload, .custom-file-upload {
    background-color: #f8f9fa;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    padding: .375rem .75rem;
    display: inline-block;
    cursor: pointer;
    color: #495057;
    width: 100%;
    text-align: left;
}

.label-file-upload:hover, .custom-file-upload:hover {
    background-color: #e2e6ea;
}

@media (max-width: 991px) {
    .response-area {
        height: auto;
    }
}