.rnwa-button {
  align-items: center;
  background: #25d366;
  border: 2px solid rgba(255, 255, 255, .95);
  border-radius: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  box-shadow: 0 12px 30px rgba(9, 36, 51, .28);
  color: #fff;
  display: flex;
  height: 62px;
  justify-content: center;
  position: fixed;
  right: 24px;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
  width: 62px;
  z-index: 99999;
}

.rnwa-button:hover,
.rnwa-button:focus-visible {
  background: #1ebe5d;
  box-shadow: 0 16px 36px rgba(9, 36, 51, .34);
  color: #fff;
  outline: none;
  transform: translateY(-3px) scale(1.03);
}

.rnwa-icon { height: 35px; width: 35px; }

.rnwa-tooltip {
  background: #102f42;
  border-radius: 8px;
  color: #fff;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  opacity: 0;
  padding: 9px 11px;
  pointer-events: none;
  position: absolute;
  right: 72px;
  transform: translateX(6px);
  transition: opacity .2s ease, transform .2s ease;
  white-space: nowrap;
}

.rnwa-button:hover .rnwa-tooltip,
.rnwa-button:focus-visible .rnwa-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 680px) {
  .rnwa-button {
    bottom: max(17px, env(safe-area-inset-bottom));
    height: 56px;
    right: 17px;
    width: 56px;
  }

  .rnwa-icon { height: 32px; width: 32px; }
  .rnwa-tooltip { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .rnwa-button,
  .rnwa-tooltip { transition: none; }
}