.copy-text-tooltip {
  position: absolute;
  background: #1e1e1e;
  color: #fff;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 9999;
  transform: translateX(-50%);
  animation: copy-text-fade 1.5s ease forwards;
}

.copy-text-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #1e1e1e;
}

@keyframes copy-text-fade {
  0%   { opacity: 1; transform: translateX(-50%) translateY(0); }
  70%  { opacity: 1; transform: translateX(-50%) translateY(-4px); }
  100% { opacity: 0; transform: translateX(-50%) translateY(-4px); }
}