.markdown-code-block {
  position: relative;
  background: #13151a;
  color: #f8f8f2;
  border-radius: 10px;
  border: 1px solid #2d323f;
  padding: 1.5rem 1.25rem 1.25rem;
  margin: 1.5rem 0;
  overflow: auto;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.35);
}

.markdown-code-block code {
  background: transparent;
  font-family: "JetBrains Mono", "Fira Code", Consolas, monospace;
  font-variant-ligatures: none; /* keep operators like >= literal */
  font-feature-settings: "liga" 0, "calt" 0, "clig" 0;
  font-size: 0.95rem;
  line-height: 1.55;
  color: inherit;
  display: block;
}

.markdown-code-block[data-lang]::before {
  content: attr(data-lang);
  position: absolute;
  top: 8px;
  left: 12px;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8f93a2;
}

.markdown-code-copy {
  position: absolute;
  top: 8px;
  right: 10px;
  border: 1px solid #3c4354;
  background: #1e2129;
  color: #d7dae0;
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.markdown-code-copy svg {
  width: 12px;
  height: 12px;
  fill: currentColor;
}

.markdown-code-copy:hover,
.markdown-code-copy:focus-visible {
  outline: none;
  background: #2b313f;
  color: #fff;
}

.markdown-code-copy:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.markdown-code-copy.copied {
  background: #0f9d58;
  border-color: #0f9d58;
  color: #fff;
}