mongoose/docs/css/copy-code.css at master · JavaScriptBach/mongoose · GitHub

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/* Base button placement & visibility */
.copy-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  background: transparent;
  border: none;
  padding: 4px;
  cursor: pointer;

  opacity: 0;
  transform: translateY(-3px);
  transition: opacity 0.18s ease, transform 0.18s ease, color 0.2s ease;

  display: flex;
  align-items: center;
  justify-content: center;

  color: #666; /* default icon color */
}

/* Show button only when the code block is hovered */
pre:hover .copy-btn {
  opacity: 1;
  transform: translateY(0);
}

/* Hover state always forces black — applies to both icons */
.copy-btn:hover {
  color: #000 !important;
}

/* Tick icon uses the same neutral grey so hover can override cleanly */
.copy-btn.copied {
  color: #666;
}

/* Icon sizing + smooth color transition */
.copy-btn svg {
  width: 20px;
  height: 20px;
  transition: color 0.2s ease;
}