.keyword-lab { margin: 20px 0 28px; padding: 22px; border: 1px solid var(--line, #cbd2c1); border-radius: 9px; background: var(--cream, #fffdf5); }
.keyword-lab [hidden] { display: none; }
.keyword-lab .lab-controls { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 18px; }
.keyword-lab .lab-controls > div { min-width: 0; }
.keyword-lab input[type="time"] { box-sizing: border-box; width: 100%; min-width: 0; min-height: 45px; border: 1px solid #b9c6ae; border-radius: 5px; background: var(--cream); color: var(--ink); padding: 10px; font: inherit; }
.keyword-lab input[type="range"] { width: 100%; min-width: 0; min-height: 44px; accent-color: var(--ink, #16362c); }
.keyword-lab :is(input, select, button):focus-visible { outline: 3px solid var(--rust, #a3472d); outline-offset: 3px; }
.keyword-lab .lab-result { padding: 14px 16px; background: var(--sage, #e2e8d7); border-radius: 6px; }
.article-body .keyword-lab .lab-countdown { font-size: 19px; color: var(--ink); font-variant-numeric: tabular-nums; line-height: 1.5; }
.keyword-lab .lab-values { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 18px 0; }
.keyword-lab .lab-values > div { min-width: 0; border-top: 1px solid var(--line); padding-top: 12px; }
.keyword-lab .lab-values dt { font-size: 11px; line-height: 1.5; color: var(--muted); }
.keyword-lab .lab-values dd { margin: 5px 0 0; font: 30px/1.2 Georgia, serif; color: var(--ink); }
.keyword-lab .lab-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.keyword-lab button { cursor: pointer; padding: 11px 14px; min-height: 44px; border: 1px solid var(--line); border-radius: 5px; color: var(--ink); background: var(--paper, #f4f0e8); font: inherit; font-size: 12px; }
.article-body pre.lab-code { padding: 18px; background: #e8ecdf; border-radius: 6px; overflow-x: auto; font-size: 12px; line-height: 1.7; color: var(--ink); }
.article-body .keyword-lab p:last-child { margin-bottom: 0; }
@media (max-width: 520px) {
  .keyword-lab { padding: 15px; }
  .keyword-lab .lab-controls { grid-template-columns: 1fr; }
  .keyword-lab .lab-values { gap: 8px; }
  .keyword-lab .lab-values dd { font-size: 25px; }
  .keyword-lab .lab-values dt { font-size: 10px; }
  .keyword-lab .lab-actions button { flex: 1; }
}