.ps-whatsapp-fab {
  position: fixed;
  right: 22px;
  bottom: 88px;
  width: 62px;
  height: 62px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: linear-gradient(135deg, #29d66f 0%, #18b957 100%);
  color: #fff;
  box-shadow: 0 18px 34px rgba(17, 24, 39, 0.22);
  z-index: 9999;
  transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
}

.ps-whatsapp-fab:hover,
.ps-whatsapp-fab:focus-visible {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 22px 42px rgba(17, 24, 39, 0.28);
  color: #fff;
  filter: saturate(1.05);
}

.ps-whatsapp-fab:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.75);
  outline-offset: 3px;
}

.ps-whatsapp-fab svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.ps-whatsapp-toast {
  position: fixed;
  right: 22px;
  bottom: 162px;
  max-width: min(320px, calc(100vw - 32px));
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(34, 34, 34, 0.92);
  color: #fff;
  font-size: 14px;
  line-height: 1.5;
  box-shadow: 0 18px 34px rgba(17, 24, 39, 0.24);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 10000;
}

.ps-whatsapp-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 767px) {
  .ps-whatsapp-fab {
    right: 16px;
    bottom: 78px;
    width: 56px;
    height: 56px;
  }

  .ps-whatsapp-fab svg {
    width: 28px;
    height: 28px;
  }

  .ps-whatsapp-toast {
    right: 16px;
    bottom: 146px;
  }
}