body {
    background-color: #000;
    color: #0f0;
    font-family: 'Courier New', Courier, monospace;
    margin: 0;
    padding: 20px;
}
.terminal {
    max-width: 800px;
    margin: 0 auto;
    border: 2px solid #0f0;
    padding: 20px;
    box-shadow: 0 0 10px #0f0;
}
h1, h2, h3, h4 {
    margin: 0 0 20px;
    color: #0f0;
}
p {
    margin: 10px 0;
}
input[type="text"], input[type="password"] {
    background: #000;
    border: 1px solid #0f0;
    color: #0f0;
    padding: 5px;
}
input[type="submit"], button {
    background: #0f0;
    color: #000;
    border: none;
    padding: 5px 10px;
    cursor: pointer;
    margin: 5px;
}
a {
    color: #0f0;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}
.login-options {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}
.config-item {
    border: 1px solid #0f0;
    padding: 10px;
    margin: 10px 0;
}
.error {
    color: #f00;
}
.message {
    background-color: #333;
    padding: 10px;
    margin: 10px 0;
    border-left: 3px solid #0f0;
}