body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 50px;
}

.login-container {
    max-width: 300px;
    margin: 0 auto;
}

input, button {
    padding: 12px;
    margin: 10px 0;
    width: 100%;
    box-sizing: border-box;
}

#message {
    margin-top: 15px;
    min-height: 20px;
    font-weight: bold;
}

button {
    padding: 10px 20px;
    font-size: 16px;
}

#result {
    margin-top: 20px;
    padding: 10px;
    background: #f0f0f0;
    text-align: left;
}

#result pre {
    font-family: monospace;
    white-space: pre;
}