.smart-wa-float {
    position: fixed;
    bottom: 22px;
    z-index: 2147483000;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 54px;
    padding: 12px 18px;
    border-radius: 999px;
    background: var(--smart-wa-color, #25D366);
    color: #fff !important;
    text-decoration: none !important;
    box-shadow: 0 16px 35px rgba(15, 23, 42, 0.22);
    font-weight: 700;
    line-height: 1;
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}

.smart-wa-right { right: 22px; }
.smart-wa-left { left: 22px; }

.smart-wa-float:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.28);
    filter: brightness(.98);
}

.smart-wa-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .18);
    font-size: 1.25rem;
}

.smart-wa-text {
    white-space: nowrap;
    font-size: .95rem;
}

@media (max-width: 576px) {
    .smart-wa-float {
        bottom: 16px;
        min-height: 56px;
        width: 56px;
        height: 56px;
        padding: 0;
        border-radius: 50%;
        justify-content: center;
    }

    .smart-wa-right { right: 16px; }
    .smart-wa-left { left: 16px; }

    .smart-wa-icon {
        width: 56px;
        height: 56px;
        background: transparent;
        font-size: 1.75rem;
    }

    .smart-wa-text {
        display: none;
    }
}