body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    margin: 0;
    color: #222;
}

.topbar {
    background: #111827;
    color: white;
    padding: 18px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar a {
    color: white;
}

.card, .login-box {
    background: white;
    margin: 25px auto;
    padding: 25px;
    max-width: 900px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,.08);
}

.login-box {
    max-width: 400px;
}

input, button {
    padding: 10px;
    margin: 5px 0;
}

input {
    border: 1px solid #ccc;
    border-radius: 6px;
}

button {
    background: #2563eb;
    color: white;
    border: 0;
    border-radius: 6px;
    cursor: pointer;
}

button:hover {
    background: #1d4ed8;
}

.inline {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

code {
    display: block;
    background: #f1f5f9;
    padding: 10px;
    border-radius: 6px;
    overflow-x: auto;
}

.ip-row {
    display: flex;
    justify-content: space-between;
    background: #f9fafb;
    margin: 8px 0;
    padding: 10px;
    border-radius: 6px;
}

.error {
    color: red;
    margin-bottom: 10px;
}