.nwl-sticky-buy {
    position: fixed;
    bottom: 16px;
    left: 50%;
    z-index: 1040;
    width: min(1120px, calc(100% - 40px));
    padding: 10px 20px;
    border: 1px solid #e2e5e8;
    border-radius: 14px;
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, .16);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, calc(100% + 24px));
    transition: transform .22s ease, opacity .22s ease, visibility .22s ease;
    pointer-events: none;
}

.nwl-sticky-buy.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
    pointer-events: auto;
}

.nwl-sticky-buy__inner {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    min-height: 64px;
    margin: 0 auto;
}

.nwl-sticky-buy__image {
    flex: 0 0 auto;
    width: 58px;
    height: 58px;
    object-fit: contain;
}

.nwl-sticky-buy__details {
    display: flex;
    flex: 1 1 auto;
    min-width: 0;
    align-items: baseline;
    gap: 16px;
}

.nwl-sticky-buy__title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nwl-sticky-buy__price {
    flex: 0 0 auto;
    font-weight: 700;
    white-space: nowrap;
}

.nwl-sticky-buy__button {
    flex: 0 0 auto;
    min-width: 190px;
}

@media (max-width: 767.98px) {
    .nwl-sticky-buy {
        bottom: 8px;
        width: calc(100% - 16px);
        padding: 9px 12px;
        border-radius: 12px;
    }
    .nwl-sticky-buy__inner { min-height: 54px; gap: 10px; }
    .nwl-sticky-buy__image { width: 46px; height: 46px; }
    .nwl-sticky-buy__details { display: block; }
    .nwl-sticky-buy__title { display: block; font-size: .9rem; }
    .nwl-sticky-buy__price { display: block; font-size: .85rem; }
    .nwl-sticky-buy__button { min-width: 0; padding-right: 14px; padding-left: 14px; }
}

@media (max-width: 420px) {
    .nwl-sticky-buy__image { display: none; }
    .nwl-sticky-buy__button { font-size: .85rem; }
}

@media (prefers-reduced-motion: reduce) {
    .nwl-sticky-buy { transition: none; }
}