body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    margin: 0;
    padding: 0;
}
.container {
    background: #fff;
    max-width: 600px;
    margin: 40px auto;
    padding: 30px 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
h1 {
    text-align: center;
    color: #333;
}
form label {
    display: block;
    margin-top: 15px;
    color: #222;
}
form input, form select {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border-radius: 4px;
    border: 1px solid #ccc;
}
button {
    margin-top: 20px;
    width: 100%;
    padding: 10px;
    background: #0078d7;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
}
button:hover {
    background: #005fa3;
}
.results {
    margin-top: 30px;
}
pre {
    background: #f0f0f0;
    padding: 12px;
    border-radius: 4px;
    overflow-x: auto;
}
a {
    display: inline-block;
    margin-bottom: 20px;
    color: #0078d7;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}