.do-whatsapp-widget {
  position: fixed;
  bottom: max(24px, env(safe-area-inset-bottom));
  z-index: 999999;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.do-whatsapp-widget--left {
  left: max(24px, env(safe-area-inset-left));
}

.do-whatsapp-widget--right {
  right: max(24px, env(safe-area-inset-right));
  flex-direction: row-reverse;
}

.do-whatsapp-button {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  box-sizing: border-box;
  border-radius: 50%;
  color: #fff !important;
  background: #25d366;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
  text-decoration: none !important;
  transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease;
}

.do-whatsapp-button:hover {
  color: #fff !important;
  background: #128c4a;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .28);
  transform: translateY(-2px) scale(1.04);
}

.do-whatsapp-button:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.do-whatsapp-button svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.do-whatsapp-tooltip {
  padding: 9px 13px;
  border-radius: 999px;
  color: #fff;
  background: #17231c;
  box-shadow: 0 5px 18px rgba(0, 0, 0, .16);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}

.do-whatsapp-widget:hover .do-whatsapp-tooltip,
.do-whatsapp-widget:focus-within .do-whatsapp-tooltip {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 520px) {
  .do-whatsapp-widget { bottom: max(16px, env(safe-area-inset-bottom)); }
  .do-whatsapp-widget--left { left: max(16px, env(safe-area-inset-left)); }
  .do-whatsapp-widget--right { right: max(16px, env(safe-area-inset-right)); }
  .do-whatsapp-button { width: 56px; height: 56px; }
  .do-whatsapp-tooltip { display: none; }
}

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