.sticky-buy-bar {
    display: none;
}

@media screen and (max-width: 780px) {
    .sticky-buy-bar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 999;
        background: #fff;
        border-top: 2px solid #802d7c;
        padding: 10px 16px;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
        transform: translateY(100%);
        transition: transform 0.3s ease;
        pointer-events: none;
    }

    .sticky-buy-bar--visible {
        transform: translateY(0);
        pointer-events: auto;
    }

    .sticky-buy-bar__price {
        display: flex;
        flex-direction: column;
        flex-shrink: 0;
    }

    .sticky-buy-bar__current-price {
        font-size: 20px;
        font-weight: 700;
        color: #802d7c;
        line-height: 1.2;
    }

    .sticky-buy-bar__compare-price {
        font-size: 13px;
        color: #999;
        text-decoration: line-through;
        line-height: 1.2;
    }

    .sticky-buy-bar__btn {
        flex: 1;
        background: #802d7c;
        color: #fff;
        border: none;
        border-radius: 8px;
        padding: 12px 20px;
        font-size: 16px;
        font-weight: 600;
        cursor: pointer;
        text-align: center;
        transition: background 0.2s;
        min-width: 0;
        white-space: nowrap;
    }

    .sticky-buy-bar__btn:active {
        background: #6a2068;
    }

    .sticky-buy-bar__btn:disabled {
        background: #ccc;
        cursor: not-allowed;
    }
}