.mb-floating-purchase-button {
    --mb-fpb-bg: #0b79e3;
    --mb-fpb-color: #fff;
    --mb-fpb-border: transparent;
    --mb-fpb-radius: 8px;
    --mb-fpb-shadow: 0 8px 22px rgba(0, 0, 0, .16);
    --mb-fpb-font-size: 18px;
    --mb-fpb-font-weight: 700;

    position: fixed;
    z-index: 999999;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-width: 142px;
    min-height: 58px;
    padding: 14px 21px;
    margin: 0;
    box-sizing: border-box;
    background: var(--mb-fpb-bg) !important;
    color: var(--mb-fpb-color) !important;
    border: 1px solid var(--mb-fpb-border) !important;
    border-radius: var(--mb-fpb-radius);
    box-shadow: var(--mb-fpb-shadow);
    font-family: inherit;
    font-size: var(--mb-fpb-font-size);
    font-weight: var(--mb-fpb-font-weight);
    line-height: 1.2;
    text-decoration: none !important;
    white-space: nowrap;
    cursor: pointer;
    transition: transform .18s ease, filter .18s ease, box-shadow .18s ease;
}

.mb-floating-purchase-button:hover {
    color: var(--mb-fpb-color) !important;
    text-decoration: none !important;
    filter: brightness(.96);
    transform: translateY(-50%) translateX(-2px);
}

.mb-floating-purchase-button:focus-visible {
    outline: 3px solid rgba(18, 126, 247, .35);
    outline-offset: 2px;
}

.mb-floating-purchase-button .mb-fpb-icon {
    display: inline-flex;
    width: 19px;
    height: 19px;
    flex: 0 0 19px;
}

.mb-floating-purchase-button .mb-fpb-icon svg {
    display: block;
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.mb-floating-purchase-button .mb-fpb-text {
    display: inline-block;
}

@media (max-width: 767px) {
    .mb-floating-purchase-button {
        top: auto;
        right: 12px;
        left: 12px;
        bottom: calc(12px + env(safe-area-inset-bottom));
        transform: none;
        width: auto;
        min-width: 0;
        min-height: 48px;
        padding: 12px 18px;
        border-radius: var(--mb-fpb-radius);
    }

    .mb-floating-purchase-button:hover {
        transform: none;
    }
}