.permalink-item .permalink-copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-left: 6px;
  padding: 0;
  color: #888;
  background: transparent;
  border: none;
  cursor: pointer;
  opacity: 0;
  vertical-align: -4px;
  transition: opacity 0.15s ease, color 0.15s ease;
}

.permalink-item:hover .permalink-copy-btn {
  opacity: 1;
}

.permalink-item .permalink-copy-btn:hover {
  color: #333;
}

.permalink-item .permalink-copy-btn .permalink-copy-icon {
  width: 13px;
  height: 13px;
}

.permalink-item .permalink-copy-btn .permalink-copy-icon-check {
  display: none;
}

.permalink-item .permalink-copy-btn.copied {
  color: #2e9e6f;
  opacity: 1;
}

.permalink-item .permalink-copy-btn.copied .permalink-copy-icon-link {
  display: none;
}

.permalink-item .permalink-copy-btn.copied .permalink-copy-icon-check {
  display: block;
}

.dark-theme .permalink-item .permalink-copy-btn {
  color: #aaa;
}

.dark-theme .permalink-item .permalink-copy-btn:hover {
  color: #eee;
}

.dark-theme .permalink-item .permalink-copy-btn.copied {
  color: #4ecb99;
}