:root {
    --color-primary: #067eb3;
    --color-primary-dark: #192b3b;

    --bw-dark-gradient: linear-gradient(180deg, #10a6e4, #2359b5);

    --font-family-text: 'Roboto', sans-serif;
}

html {
    font-size: 62.5%;
    margin: 0;
    padding: 0;
}
body {
    font-family: var(--font-family-text);
    font-size: 1.6rem;
    margin: 0;
    padding: 0;
}

.main-header {
    background: var(--bw-dark-gradient);
    padding: 100px 15px 25px;
    text-align: center;
}
.main-header h1 {
    color: #fff;
    margin: 0;
    font-weight: 400;
    font-size: 3rem;
}
@media (min-width: 768px) {
    .main-header h1 {
        font-size: 4rem;
    }
}
.main-footer {
    background-color: var(--color-primary-dark);
    color: white;
    font-size: 1.2rem;
    padding: 25px 20px;
    text-align: center;
}
.footer-logo {
    margin-bottom: 15px;
}

main {
    margin: 50px auto;
    max-width: 600px;
    padding: 20px;
}
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
label {
    margin-bottom: 5px;
}
.label-text {
    font-size: 1.3rem;
    margin-bottom: 5px;
}
.description {
    color: #7f7f7f;
    font-size: 1.2rem;
    margin-bottom: 5px;
}
input, select, textarea {
    border-radius: 4px;
    border: 1px solid #ddd;
    box-sizing: border-box;
    font-family: var(--font-family-text);
    padding: 10px;
    width: 100%;
}
button {
    background-color: var(--color-primary);
    border-radius: 4px;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1.4rem;
    font-weight: bold;
    padding: 12px;
    transition: background-color 0.3s ease;
}
button:hover {
    background-color: var(--color-primary-dark);
}
.css-row {
    display: flex;
    gap: 15px;
}
.css-row label {
    width: 50%;
}
.result {
    border-radius: 4px;
    display: none;
    margin-top: 20px;
    padding: 15px;
}
.result.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}
.result.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}
.result.loading {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}
.result.output-file {
    padding: 10px 0;
}
.result.output-file a {
    color: #007cba;
    display: block;
    text-decoration: none;
    padding: 10px;
}
.result.output-file a:hover {
    background-color: #eee;
}