.ipf-lab { background: #f5f3ef; border-block: 1px solid #e5e1d9; }
.ipf-lab-prose { max-width: 85ch; }
.ipf-lab-flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); gap: 18px; list-style: none; padding: 0; margin: 28px 0; }
.ipf-lab-flow li { display: flex; gap: 14px; padding: 22px; background: #fff; border: 1px solid #dedbd3; border-radius: 8px; }
.ipf-lab-flow li > span { display: grid; place-items: center; flex: 0 0 32px; height: 32px; border-radius: 50%; background: var(--ipf-ink); color: white; font-weight: 700; }
.ipf-lab h3 { margin-top: 0; }
.ipf-lab-flow p, .ipf-lab-example p { margin-bottom: 0; }
.ipf-lab-example { margin: 24px 0; padding: 25px 28px; border-left: 4px solid #a95232; background: #fff; }
.ipf-lab-table-wrap { overflow-x: auto; margin: 28px 0; border: 1px solid #dedbd3; border-radius: 8px; background: #fff; }
.ipf-lab-table { width: 100%; min-width: 560px; border-collapse: collapse; text-align: left; }
.ipf-lab-table caption { text-align: left; padding: 18px; font-weight: 700; color: var(--ipf-ink); }
.ipf-lab-table th, .ipf-lab-table td { padding: 16px 18px; border-top: 1px solid #e3e7ec; vertical-align: top; }
.ipf-lab-table thead th { background: var(--ipf-ink); color: #fff; }
.ipf-lab-table tbody th { min-width: 170px; }
.ipf-lab-chart, .ipf-lab-tool, .ipf-lab-choices { margin: 28px 0; padding: 28px; border: 1px solid #dedbd3; border-radius: 8px; background: #fff; }
.ipf-lab-chart figcaption { font-size: 1.2rem; font-weight: 700; }
.ipf-lab-bars { display: grid; gap: 20px; margin: 24px 0; }
.ipf-lab-bar { display: grid; grid-template-columns: 175px 1fr 90px; gap: 8px 18px; align-items: center; }
.ipf-lab-bar strong { text-align: right; font-variant-numeric: tabular-nums; }
.ipf-lab-bar small { grid-column: 2 / 4; }
.ipf-lab-track { height: 18px; background: #e9edf2; border-radius: 3px; overflow: hidden; }
.ipf-lab-track i { display: block; height: 100%; background: #124b82; }
.ipf-lab-track .ipf-lab-series-1 { background: #627182; }
.ipf-lab-track .ipf-lab-series-2 { background: #a95232; }
.ipf-lab-track .ipf-lab-series-3 { background: #497d63; }
.ipf-lab details { margin: 14px 0; padding: 15px 18px; background: #f3f6fa; border: 1px solid var(--ipf-line); border-radius: 5px; }
.ipf-lab summary { font-weight: 700; cursor: pointer; }
.ipf-lab details a { text-decoration: underline; }
.ipf-lab-takeaway { margin: 24px 0; padding: 20px 24px; background: #e7eee9; border-left: 4px solid #497d63; }
.ipf-lab-photos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin: 30px 0; }
.ipf-lab-photos figure { margin: 0; background: #fff; border: 1px solid #dedbd3; border-radius: 8px; overflow: hidden; }
.ipf-lab-photos img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: contain; background: #e9edf2; }
.ipf-lab-photos figcaption { padding: 20px; }
.ipf-lab-photos figcaption > a, .ipf-lab-photos small { display: block; margin-top: 12px; }
.ipf-lab-photos a, .ipf-lab-sources a, .ipf-lab-illustration a { text-decoration: underline; }
.ipf-lab-illustration { max-width: 560px; margin: 24px auto; }
.ipf-lab-illustration img { border-radius: 8px; }
.ipf-lab-illustration figcaption { padding-top: 10px; font-size: .85rem; }
.ipf-lab-sources { padding-top: 20px; border-top: 1px solid #dedbd3; margin-top: 24px; }
.ipf-lab-sources ul { padding-left: 22px; }
.ipf-lab-links { display: flex; flex-wrap: wrap; gap: 14px 30px; margin-top: 24px; }
.ipf-lab-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 22px 0; }
.ipf-lab-tool label { display: block; font-weight: 700; }
.ipf-lab-tool input, .ipf-lab-tool select { display: block; width: 100%; padding: 12px; border: 1px solid #8b9aab; border-radius: 4px; background: #fff; color: var(--ipf-ink); font: inherit; margin-top: 7px; }
.ipf-lab-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.ipf-lab-actions .ipf-button-outline { background: #fff; color: var(--ipf-ink); border: 1px solid #8b9aab; box-shadow: none; }
.ipf-lab-actions .ipf-button-outline:hover { background: #eef3f8; }
.ipf-lab-tool output { display: block; padding: 22px; margin-top: 22px; background: #eef3f8; font-weight: 700; border-radius: 4px; }
.ipf-lab-privacy { font-size: .86rem; margin: 16px 0; }
.ipf-lab-error { color: #a20e0e; font-weight: 700; }
.ipf-lab-interval { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.ipf-lab-interval > div { position: relative; flex-basis: 100%; height: 22px; background: #e9edf2; }
.ipf-lab-interval span[data-lab-band] { position: absolute; height: 100%; background: #75a8da; }
.ipf-lab-interval i { position: absolute; width: 3px; height: 30px; top: -4px; background: var(--ipf-ink); transform: translateX(-50%); }
.ipf-lab [hidden] { display: none !important; }
@media (max-width: 720px) {
  .ipf-lab-photos, .ipf-lab-fields { grid-template-columns: 1fr; }
  .ipf-lab-bar { grid-template-columns: 1fr 90px; }
  .ipf-lab-bar > span { grid-column: 1 / -1; }
  .ipf-lab-bar small { grid-column: 1 / -1; }
  .ipf-lab-chart, .ipf-lab-tool, .ipf-lab-choices { padding: 18px; }
  .ipf-lab-flow { grid-template-columns: 1fr; }
}
@media print {
  .ipf-lab { background: white; break-inside: auto; }
  .ipf-lab-tool form, .ipf-lab-flow li, .ipf-lab-example { break-inside: avoid; }
  .ipf-lab-actions { display: none; }
  .ipf-lab-table-wrap { overflow: visible; }
  .ipf-lab-table { min-width: 0; }
}