.cart-preview-dialog {
    box-sizing: border-box;
    width: min(1240px, calc(100vw - 32px));
    height: min(900px, calc(100vh - 48px));
    height: min(900px, calc(100dvh - 48px));
    max-width: none;
    max-height: none;
    margin: auto;
    padding: 18px;
    overflow: hidden;
}

.cart-preview-dialog[open] {
    display: flex;
    flex-direction: column;
    animation: cart-preview-enter .22s ease-out;
}

.cart-preview-dialog::backdrop {
    background: rgba(10, 20, 28, .6);
    animation: cart-preview-backdrop-in .22s ease-out;
}

.cart-preview-dialog__header {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 12px;
}

.cart-preview-dialog__header h2 {
    min-width: 0;
    margin: 0;
    overflow: hidden;
    font-size: 18px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cart-preview-dialog__header button {
    flex-shrink: 0;
}

.cart-preview-dialog #cartPreviewStatus {
    margin: 0;
    padding: 12px 0;
}

.cart-preview-dialog iframe {
    display: block;
    flex: 1 1 0;
    width: 100%;
    min-height: 0;
    border: 0;
}

@keyframes cart-preview-enter {
    from { opacity: 0; transform: translateY(12px) scale(.985); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes cart-preview-backdrop-in {
    from { background: rgba(10, 20, 28, 0); }
    to { background: rgba(10, 20, 28, .6); }
}

@media (max-width: 600px) {
    .cart-preview-dialog {
        width: calc(100vw - 20px);
        height: calc(100dvh - 24px);
        padding: 12px;
    }

    .cart-preview-dialog__header h2 {
        font-size: 15px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .cart-preview-dialog[open],
    .cart-preview-dialog::backdrop {
        animation: none;
    }
}