.za-whatsapp-float,
.single-product .summary a.za-whatsapp-product {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: #128c46;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    line-height: 1.4;
}
.za-whatsapp-float {
    position: fixed;
    right: 24px;
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    z-index: 998;
    box-sizing: border-box;
    width: 56px;
    height: 56px;
    min-height: 56px;
    padding: 14px;
    border-radius: 50%;
    box-shadow: 0 4px 18px rgba(0, 0, 0, .2);
    font-size: .85rem;
}
.za-whatsapp-float svg,
.za-whatsapp-product svg { flex: 0 0 24px; }
.za-whatsapp-float:hover,
.za-whatsapp-float:focus,
.single-product .summary a.za-whatsapp-product:hover,
.single-product .summary a.za-whatsapp-product:focus { background: #0c6b35; color: #fff; }
.za-whatsapp-float:focus-visible,
.za-whatsapp-product:focus-visible { outline: 3px solid var(--za-primary, #184e49); outline-offset: 4px; }
.za-whatsapp-purchase { margin: 16px 0 20px; }
.single-product .summary a.za-whatsapp-product { width: 100%; min-height: 50px; padding: 12px 18px; border-radius: 8px; }
.za-whatsapp-help { margin: 8px 0 0; font-size: .8rem; color: var(--za-text-muted, #555); }
.za-whatsapp-error { margin: 8px 0 0; color: #8f2723; font-size: .85rem; }
.za-whatsapp-error[hidden] { display: none; }
@media (max-width: 768px) {
    .za-whatsapp-float { right: 16px; bottom: calc(80px + env(safe-area-inset-bottom, 0px)); }
    .za-product-bar-visible .za-whatsapp-float { bottom: calc(176px + env(safe-area-inset-bottom, 0px)); }
}