.iwc-chat {
    position: fixed;
    bottom: 24px;
    z-index: 99999;
    display: inline-flex;
    width: 56px;
    height: 56px;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: #25d366;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
    color: #fff;
    text-decoration: none;
    transition: transform .18s ease, box-shadow .18s ease;
}
.iwc-chat--right { right: 24px; }
.iwc-chat--left { left: 24px; }
.iwc-chat:hover,
.iwc-chat:focus-visible {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, .28);
}
.iwc-chat:focus-visible { outline: 3px solid currentColor; outline-offset: 3px; }
.iwc-chat svg { display: block; fill: currentColor; }
@media (max-width: 600px) {
    .iwc-chat { bottom: 18px; width: 52px; height: 52px; }
    .iwc-chat--right { right: 18px; }
    .iwc-chat--left { left: 18px; }
}