.facebook-card {
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.05);
    transition: box-shadow .2s ease;
}

.facebook-card:hover {
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.09);
}

.facebook-card .card-header {
    min-height: 58px;
    background: #f8f9fa;
    border-bottom: 1px solid #e5e7eb;
}

.facebook-preview {
    min-width: 0;
    overflow: hidden;
}

/* Evita que el contenido incrustado desborde la tarjeta. */
.facebook-preview iframe {
    max-width: 100%;
}

.facebook-card .card-footer {
    border-top: 1px solid #e5e7eb;
    padding: 12px;
}