.cart-upsell-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;

    padding: 14px 18px;
    margin-bottom: 15px;

    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);

    border: 1px solid rgba(0,0,0,0.08);
    border-radius: 12px;

    box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

.cart-upsell-text {
    font-size: 14px;
    line-height: 1.3;
}

.cart-upsell-btn {
    background: #1a73e8;
    color: #fff;
    padding: 10px 16px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}