/* code-block enhancements */
.article-body pre {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  font-family: "JetBrains Mono", "Fira Code", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.7rem;
  padding: 3px 8px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s, color 0.2s, background 0.2s;
  line-height: 1.4;
  letter-spacing: 0.3px;
}

.article-body pre:hover .copy-btn {
  opacity: 1;
}

.copy-btn:hover {
  color: var(--text);
  background: var(--card-bg);
}

.copy-btn.copied {
  color: #16a34a;
  border-color: #16a34a;
}