.happycar-whatsapp { position:fixed; right:24px; bottom:max(24px, env(safe-area-inset-bottom)); z-index:40; display:grid; place-items:center; width:56px; height:56px; padding:0; border:0; border-radius:16px; background:#fff; color:#19a957; box-shadow:0 4px 18px #0002; text-decoration:none; }
.happycar-whatsapp[hidden] { display:none; }
.happycar-whatsapp:hover { background:#f3fbf6; }
.happycar-whatsapp:focus-visible { outline:3px solid #002fff; outline-offset:4px; }
.happycar-whatsapp svg { display:block; width:32px; height:32px; }
@media(max-width:600px) { .happycar-whatsapp { right:16px; bottom:max(16px, env(safe-area-inset-bottom)); } }