/* CSS for Mail Cart */

.mail-cart-container {
    min-height: 400px; /* Prevents container from collapsing during updates */
}

.letter-item {
    border-bottom: 1px solid #eee;
    margin-bottom: 0.5rem;
}

/* Ensure smooth transitions for content that changes height */
.mail-cart-summary {
    min-height: 150px;
}

/* Payment processing overlay */
.payment-processing-overlay {
    position: relative;
}

.payment-processing-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.7);
    z-index: 1;
}