body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
}
h1 { color: #007bff; }
.status-card {
    margin-top: 20px;
    padding: 10px;
    background: #e9ecef;
    border-radius: 4px;
    font-size: 0.9rem;
}