/* ── JS Runner: кнопка «▶ Запустить» ── */
.run-js-btn {
  display: inline-block;
  margin: 0.5em 0 0.25em;
  padding: 0.18em 0.75em;
  font-size: 0.78em;
  font-family: inherit;
  background: var(--md-primary-fg-color);
  color: var(--md-primary-bg-color);
  border: none;
  border-radius: 3px;
  cursor: pointer;
  opacity: 0.82;
  transition: opacity 0.15s;
  user-select: none;
}

.run-js-btn:hover {
  opacity: 1;
}

/* ── JS Runner: блок вывода ── */
.run-js-output {
  margin: 0 0 1em;
  padding: 0.7em 1em;
  background: var(--md-code-bg-color);
  border-left: 3px solid var(--md-primary-fg-color);
  font-family: var(--md-code-font-family);
  font-size: 0.85em;
  line-height: 1.5;
  white-space: pre;
  overflow-x: auto;
  border-radius: 0 3px 3px 0;
}