.woocommerce-notices-wrapper .woocommerce-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 420px;
    background: #fff;
    color: #333;
    border: none;
    padding: 24px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,.2);
    z-index: 9999;
    margin: 0;
}

.atc-message-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 16px;
}

.atc-message-actions button {
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid var(--contrast-2);;
    font: inherit;
}

.atc-message-close    { background: #fff; color: var(--accent); }
.atc-message-continue { background: var(--contrast-2); color: #fff; }