:root {
  --osl-whatsapp-green: #25d366;
  --osl-whatsapp-green-dark: #128c7e;
  --osl-whatsapp-text: #ffffff;
  --osl-whatsapp-shadow: rgba(0, 0, 0, 0.35);
}

.osl-whatsapp-float,
.osl-whatsapp-float * {
  box-sizing: border-box;
}

.osl-whatsapp-float {
  position: fixed;
  right: clamp(18px, 3vw, 34px);
  bottom: clamp(18px, 3vw, 34px);
  z-index: 99999;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 10px 18px 10px 11px;
  border-radius: 999px;
  color: var(--osl-whatsapp-text);
  background: linear-gradient(135deg, var(--osl-whatsapp-green) 0%, var(--osl-whatsapp-green-dark) 100%);
  text-decoration: none;
  font-family: inherit;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.01em;
  box-shadow: 0 18px 42px var(--osl-whatsapp-shadow), 0 0 0 8px rgba(37, 211, 102, 0.12);
  transform: translateZ(0);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.osl-whatsapp-float::before {
  content: "";
  position: absolute;
  inset: -7px;
  z-index: -1;
  border-radius: inherit;
  border: 1px solid rgba(37, 211, 102, 0.45);
  opacity: 0.75;
  animation: oslWhatsappPulse 2.4s ease-out infinite;
}

.osl-whatsapp-float:hover,
.osl-whatsapp-float:focus-visible {
  color: var(--osl-whatsapp-text);
  text-decoration: none;
  transform: translateY(-3px) scale(1.02);
  filter: saturate(1.08);
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.42), 0 0 0 10px rgba(37, 211, 102, 0.16);
  outline: none;
}

.osl-whatsapp-float__icon {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: block;
  border-radius: 50%;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,.18));
}

.osl-whatsapp-float__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  white-space: nowrap;
}

.osl-whatsapp-float__label {
  font-size: 13px;
  font-weight: 700;
  opacity: 0.92;
}

.osl-whatsapp-float__number {
  font-size: 15px;
  font-weight: 900;
}

@keyframes oslWhatsappPulse {
  0% {
    transform: scale(0.98);
    opacity: 0.8;
  }
  70% {
    transform: scale(1.16);
    opacity: 0;
  }
  100% {
    transform: scale(1.16);
    opacity: 0;
  }
}

@media (max-width: 640px) {
  .osl-whatsapp-float {
    right: 16px;
    bottom: 16px;
    min-height: 56px;
    width: 56px;
    height: 56px;
    padding: 8px;
    justify-content: center;
  }

  .osl-whatsapp-float__icon {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  .osl-whatsapp-float__text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
  }
}