body { 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    height: 100vh; 
    margin: 0;
    background-color: #f4f7f6; 
    color: #333; 
}

.card { 
    background: white; 
    padding: 40px; 
    border-radius: 12px; 
    box-shadow: 0 8px 16px rgba(0,0,0,0.1); 
    text-align: center; 
    width: 320px;
}

h2 { margin-top: 0; margin-bottom: 20px; color: #2c3e50; }

.status { 
    font-size: 0.85em; 
    margin-bottom: 20px; 
    padding: 5px; 
    border-radius: 4px; 
    font-weight: bold; 
}
.offline { background-color: #fee; color: #c0392b; }
.online { background-color: #e8f8f5; color: #27ae60; }

.response-box {
    margin-top: 20px;
    padding: 10px;
    font-size: 0.85em;
    border-radius: 6px;
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    word-wrap: break-word;
    text-align: left;
}

.hidden { display: none; }

#googleButtonContainer { 
    display: flex; 
    justify-content: center; 
    margin-top: 20px; 
}