body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}


.card {
    background: #ffffff;
    padding: 24px 32px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    min-width: 280px;
}


.status {
    font-size: 20px;
    margin-top: 12px;
    font-weight: bold;
}


.online {
    color: #16a34a;
}


.offline {
    color: #dc2626;
}


button {
    margin-top: 16px;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    background: #2563eb;
    color: white;
    font-size: 14px;
}