.density-lab { margin: 28px 0 44px; }
.density-lab > p { max-width: 68ch; color: var(--muted); }
.density-inputs { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 24px; align-items: start; margin: 24px 0; }
.density-source { margin: 0; }
.density-source img { width: 100%; height: 112px; object-fit: contain; border-radius: 6px; background: var(--bg); }
.density-source figcaption { margin-top: 8px; color: var(--muted); font-size: .85rem; }
.density-controls { min-width: 0; }
.density-controls fieldset { border: 0; padding: 0; margin: 0 0 18px; }
.density-controls legend { padding: 0; margin-bottom: 8px; font-weight: 600; }
.density-examples { display: flex; flex-wrap: wrap; gap: 8px; }
.density-lab button { box-shadow: none; min-height: 44px; }
.density-examples button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); background: var(--panel-2); }
.density-settings { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.density-settings label { display: block; font-size: .9rem; }
.density-settings output { color: var(--accent); font-variant-numeric: tabular-nums; }
.density-settings input { width: 100%; margin: 12px 0; accent-color: var(--accent); }
.density-invert { display: flex; align-items: center; gap: 8px; min-height: 44px; font-size: .9rem; }
.density-invert input { accent-color: var(--accent); }
.density-results { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.density-result { min-width: 0; border-top: 1px solid var(--border); padding-top: 18px; }
.density-result h3 { margin-bottom: 8px; }
.density-ramp { display: block; color: var(--accent); white-space: pre; font-size: .95rem; margin-bottom: 10px; }
.density-result p { color: var(--muted); font-size: .9rem; min-height: 3em; margin: 0 0 16px; }
.density-preview { margin: 0 0 14px; padding: 12px; min-height: 130px; max-height: 320px; width: 100%; overflow: auto; font: 11px/1.2 var(--mono); white-space: pre; background: var(--bg); border-radius: 6px; tab-size: 1; }
.density-lab [data-state="loading"] .density-preview { opacity: .6; }
.density-status { min-height: 1.5em; margin: 12px 0; font-size: .9rem; }
.density-status[data-error="true"] { color: #fda4af; }
.density-help { font-size: .85rem; }
.density-lab :is(button, input, pre):focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.density-lab button:disabled { opacity: .5; cursor: default; transform: none; }
@media (max-width: 900px) {
  .density-results { grid-template-columns: 1fr; }
  .density-result p { min-height: 0; }
  .density-preview { min-height: 0; }
}
@media (max-width: 600px) {
  .density-inputs { grid-template-columns: 1fr; gap: 16px; }
  .density-source { max-width: 220px; }
  .density-settings { grid-template-columns: 1fr; gap: 4px; }
  .density-lab { margin-top: 24px; }
}