/* Scoped EXT-01B reader experiment. All values come from the declared family. */
.perturbation-lab{margin:28px 0;padding:24px;border:1px solid var(--line,#d9dcd0);background:var(--cream,#f4f2e9);color:var(--ink,#18332f);overflow-wrap:anywhere}
.perturbation-lab h3{margin:0 0 12px;font:400 27px/1.3 var(--serif,Georgia,serif);letter-spacing:-.4px}
.perturbation-lab p.pl-intro,.perturbation-lab p.pl-sum{font-size:14px;line-height:1.8}
.perturbation-lab .pl-controls{margin:22px 0 8px;padding-top:18px;border-top:1px solid #c7cec0}
.perturbation-lab .pl-channel{padding:0;border:0;min-width:0;margin:0 0 20px}
.perturbation-lab .pl-channel legend{font-size:13px;font-weight:600;margin-bottom:8px}
.perturbation-lab .pl-channel label{display:flex;align-items:center;gap:10px;min-height:44px;padding:5px 0;line-height:1.6;font-size:14px;cursor:pointer}
.perturbation-lab .pl-channel input{flex-shrink:0;accent-color:var(--green,#102d2b);width:17px;height:17px;margin:0}
.perturbation-lab .pl-slider-heading{display:flex;align-items:baseline;justify-content:space-between;gap:16px;font-size:14px;font-weight:600}
.perturbation-lab .pl-slider-heading output{font-variant-numeric:tabular-nums;font-size:22px;font-weight:400;min-width:3em;text-align:right}
.perturbation-lab input[type=range]{display:block;width:100%;min-height:44px;margin:4px 0;accent-color:var(--green,#102d2b);cursor:pointer}
.perturbation-lab input:focus-visible,.perturbation-lab button:focus-visible,.perturbation-lab summary:focus-visible{outline:3px solid #a68b47;outline-offset:3px}
.perturbation-lab .pl-range{display:flex;justify-content:space-between;font-size:12px;color:#526458;margin-top:-6px}
.perturbation-lab .pl-presets{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0 25px}
.perturbation-lab .pl-presets button{min-height:44px;padding:8px 12px;border:1px solid #889a83;background:transparent;color:var(--green,#102d2b);font-size:12px;line-height:1.5;border-radius:2px;cursor:pointer}
.perturbation-lab .pl-presets button:hover{background:#e4e9da}
.perturbation-lab .pl-presets button[aria-pressed=true]{background:var(--green,#102d2b);color:var(--cream,#f4f2e9)}
.perturbation-lab .pl-legend{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13px;line-height:1.8;font-variant-numeric:tabular-nums}
.perturbation-lab .pl-legend-item{display:flex;align-items:center;gap:8px}
.perturbation-lab .pl-legend-item>span{width:24px;border-top:3px solid #153c35;flex-shrink:0}
.perturbation-lab .pl-legend-item.pl-b>span{border-top:3px dashed #9b742c}
.perturbation-lab .pl-figure{margin:15px 0 0}
.perturbation-lab .pl-figure svg{display:block;width:100%;height:auto}
.perturbation-lab .pl-figure figcaption{font-size:12px;line-height:1.75;color:#526458;margin:9px 0 20px}
.perturbation-lab p.pl-state{font-size:13px;line-height:1.8;font-weight:600;border-top:1px solid #c7cec0;padding-top:17px;font-variant-numeric:tabular-nums}
.perturbation-lab .pl-results{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}
.perturbation-lab .pl-result{padding:15px 0 4px;border-top:3px solid #153c35;margin:0;min-width:0}
.perturbation-lab .pl-result.pl-b{border-color:#9b742c}
.perturbation-lab .pl-result h4{margin:0 0 9px;font-size:15px;line-height:1.7;font-weight:600}
.perturbation-lab .pl-result h4 span{display:block;font-size:12px;font-weight:400}
.perturbation-lab p.pl-kind{font-size:12px;line-height:1.75;margin:0 0 14px;color:#526458}
.perturbation-lab .pl-result dl{margin:0}
.perturbation-lab .pl-result dl>div{margin:0 0 12px}
.perturbation-lab .pl-result dt{font-size:11px;line-height:1.7;color:#526458}
.perturbation-lab .pl-result dd{font-size:14px;line-height:1.7;margin:0;font-variant-numeric:tabular-nums}
.perturbation-lab .pl-result dd[data-pl-recovery]{font-size:13px}
.perturbation-lab .pl-uncertainty{margin-top:22px;border-top:1px solid #c7cec0;border-bottom:1px solid #c7cec0;padding:15px 0}
.perturbation-lab .pl-uncertainty summary{font-size:14px;line-height:1.8;font-weight:600;cursor:pointer}
.perturbation-lab .pl-noise-controls{padding-top:18px}
.perturbation-lab .pl-uncertainty p{font-size:12px;line-height:1.8;margin:12px 0}
.perturbation-lab .pl-uncertainty p.pl-window-label{font-weight:600;margin-bottom:5px}
.perturbation-lab .pl-uncertainty p.pl-window{font-size:16px;font-variant-numeric:tabular-nums;margin-top:0}
.perturbation-lab p.pl-noise-note,.perturbation-lab p.pl-scope{font-size:12px;color:#526458;line-height:1.8}
.perturbation-lab p.pl-scope{margin:18px 0 0}
.perturbation-lab .pl-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:520px){.perturbation-lab .pl-figure svg text{font-size:26px}.perturbation-lab{padding:18px 12px}.perturbation-lab h3{font-size:24px}.perturbation-lab .pl-results{grid-template-columns:minmax(0,1fr);gap:14px}.perturbation-lab .pl-presets button{flex:1 1 40%;padding:8px}.perturbation-lab .pl-channel label,.perturbation-lab .pl-slider-heading{font-size:13px}}
@media print{.perturbation-lab{background:white;padding:15px}.perturbation-lab .pl-controls,.perturbation-lab .pl-noise-controls{display:none}.perturbation-lab .pl-results{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.perturbation-lab .pl-figure{max-width:480px;margin-left:auto;margin-right:auto}.perturbation-lab .pl-result,.perturbation-lab .pl-figure{break-inside:avoid}}