/* Sticky Buy Button Styles */
.sticky-buy-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-radius: var(--radius-md);
}

.sticky-buy-button.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sticky-buy-button .button {
  padding: var(--spacing-md) var(--spacing-xl);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(138, 43, 226, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(138, 43, 226, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(138, 43, 226, 0);
  }
}