.whatsappbtn {
  position: fixed;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--whatsappbtn-size, 56px);
  height: var(--whatsappbtn-size, 56px);
  bottom: var(--whatsappbtn-bottom, 24px);
  background: var(--whatsappbtn-color, #25D366);
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  text-decoration: none;
  z-index: var(--whatsappbtn-zindex, 9999);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: visible;
}

.whatsappbtn--right {
  right: var(--whatsappbtn-side, 24px);
}

.whatsappbtn--left {
  left: var(--whatsappbtn-side, 24px);
}

.whatsappbtn:hover,
.whatsappbtn:focus {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}

.whatsappbtn__tooltip {
  position: absolute;
  top: 50%;
  max-width: 220px;
  padding: 8px 12px;
  background: #1fa855;
  color: #fff;
  border-radius: 0.25rem;
  font-size: 13px;
  line-height: 1.2;
  white-space: normal;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-50%) scale(0.98);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  pointer-events: none;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
}

.whatsappbtn--right .whatsappbtn__tooltip {
  right: calc(100% + 12px);
}

.whatsappbtn--left .whatsappbtn__tooltip {
  left: calc(100% + 12px);
}

.whatsappbtn__tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  border: 6px solid transparent;
  transform: translateY(-50%);
}

.whatsappbtn--right .whatsappbtn__tooltip::after {
  right: -12px;
  border-left-color: #1fa855;
}

.whatsappbtn--left .whatsappbtn__tooltip::after {
  left: -12px;
  border-right-color: #1fa855;
}

.whatsappbtn:hover .whatsappbtn__tooltip,
.whatsappbtn:focus .whatsappbtn__tooltip,
.whatsappbtn--intro .whatsappbtn__tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) scale(1);
}

.whatsappbtn__icon {
  width: 100%;
  height: 100%;
  fill: currentColor;
  display: block;
}

.whatsappbtn__icon[src] {
  object-fit: contain;
}