.copy-open-btn {
  background-color: #0366d6;
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
  font-size: 14px;
  margin-top: 6px;
}
.copy-open-btn:hover {
  background-color: #024ea0;
}

/* Tooltip */
.copy-tooltip {
  position: absolute;
  transform: translateX(-50%);
  background: #323232;
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 13px;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  pointer-events: none;
  z-index: 9999;
}
.copy-tooltip.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(-2px);
}