body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans,
        Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    padding: 20px;
    background-color: #f0f0f0;
}
.container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.connected {
    color: green;
    font-weight: bold;
}
.error {
    color: red;
    font-weight: bold;
}
.status-box {
    background: #f9f9f9;
    padding: 10px;
    border-radius: 4px;
    margin: 10px 0;
    border-left: 4px solid #ccc;
}