body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: system-ui, sans-serif;
    background: #f3f4f6;
    color: #111827;
}

.card {
    background: #fff;
    padding: 2rem 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    max-width: 560px;
}

.status {
    padding: 0.75rem 1rem;
    border-radius: 8px;
}

.status.ok {
    background: #d1fae5;
    color: #065f46;
}

.status.fail {
    background: #fee2e2;
    color: #991b1b;
}