/* Contenedor */
#wafb-wrap {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 2147483647;
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: system-ui, sans-serif;
}

/* Botón circular */
.wafb-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 20px rgba(0,0,0,.35), 0 0 0 2px #fff;
  text-decoration: none;
}

.wafb-btn svg {
  width: 28px;
  height: 28px;
  display: block;
}

/* Texto */
.wafb-label {
  background: #25d366;
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 6px 16px rgba(0,0,0,.25);
}

/* En móvil solo icono */
@media (max-width: 480px) {
  .wafb-label { display: none; }
}