.learning-lab{margin-top:22px;padding:22px;background:#fff;border:1px solid #e0d5ed;border-radius:15px;min-width:0}.ll-heading .ll-kicker{font-size:10px;color:#6b4794;letter-spacing:.35px;margin:0 0 8px}.ll-heading h3{margin:0 0 9px}.ll-heading>p:last-child{font-size:12px;color:#665a72;max-width:660px}.ll-plots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}.ll-figure{margin:0;min-width:0}.ll-figure figcaption{font-size:12px;font-weight:500;line-height:1.6;margin-bottom:8px}.ll-plot{display:block;width:100%;max-height:210px;overflow:visible}.ll-guide{stroke:#e4dbea;stroke-width:1;stroke-dasharray:3 4}.ll-point{stroke:#fff;stroke-width:.8}.ll-group-a{fill:#7046ba}.ll-group-b{fill:#278174}.ll-mistake{stroke:#722e32;stroke-width:1.8;stroke-linecap:round;paint-order:stroke}.ll-empty-area{font-family:inherit;font-size:9px;fill:#84758f}.ll-figure>p{font-size:10px!important;line-height:1.65;color:#786784;margin:8px 0 0}.ll-legend{display:flex;flex-wrap:wrap;gap:8px 18px;margin:15px 0;color:#65546f;font-size:10px}.ll-legend>span{display:inline-flex;align-items:center;gap:7px}.ll-legend i{display:inline-block;width:9px;height:9px;flex:none}.ll-legend-circle{background:#7046ba;border-radius:50%}.ll-legend-square{background:#278174}.ll-legend-error{position:relative;border:1px solid #a997b9;border-radius:50%}.ll-legend-error::after{content:'';position:absolute;width:14px;height:2px;background:#722e32;transform:rotate(-45deg);left:-3px;top:3px}.ll-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;border-top:1px solid #eee5f4;padding-top:15px;margin-bottom:18px}.ll-metric{padding:12px 10px;border:1px solid #e8dfef;border-radius:10px;background:#faf8fc;min-width:0}.ll-metric>span{display:block;font-size:10px;color:#796687;line-height:1.6}.ll-metric>strong{display:block;font-size:22px;font-weight:500;line-height:1.5;margin:6px 0 2px;color:#352148}.ll-metric>small{display:block;font-size:9px;line-height:1.6;color:#7b6985}.ll-metric-current{background:#f0e8fa;border-color:#cbb5e5}.ll-metric>.ll-not-trained{font-size:11px;line-height:1.7;margin:10px 0 8px;color:#8a7a94}.ll-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.ll-actions .btn{font-size:11px;min-height:44px;white-space:normal;text-align:left;max-width:100%}.ll-actions .btn:disabled{cursor:default}.learning-lab .ll-status{font-size:12px;line-height:1.8;background:#f3eef9;border-left:3px solid #b99adf;border-radius:0 8px 8px 0;padding:13px 15px;margin:17px 0}.ll-details{font-size:11px;color:#735e83;margin:14px 0}.ll-details>summary{cursor:pointer;color:#7048a7;min-height:28px;line-height:1.7}.ll-details>p{font-size:11px;margin-top:9px}.learning-lab .ll-scope{font-size:11px;color:#6d5b7c;padding-top:14px;border-top:1px solid #eee5f4}.learning-lab .ll-credit{font-size:9px;color:#807087;margin-top:10px}.ll-credit a{color:#7145a6;text-decoration:underline;text-underline-offset:3px}.learning-lab button:focus-visible,.learning-lab summary:focus-visible,.ll-credit a:focus-visible{outline:3px solid #ac8ad1;outline-offset:3px}.learning-lab figure,.learning-lab .ll-metric{overflow-wrap:anywhere}
@media(max-width:650px){.learning-lab{padding:17px 13px;margin-top:18px}.ll-plots{gap:12px}.ll-metrics{gap:6px}.ll-metric{padding:10px 8px}.ll-metric>strong{font-size:18px}.ll-actions{align-items:stretch}.ll-actions .btn{font-size:10px;padding:10px 12px}.learning-lab .ll-status{padding:11px 12px;font-size:11px}}
@media(max-width:430px){.ll-plots{grid-template-columns:1fr}.ll-plot{max-height:170px}.ll-metrics{grid-template-columns:1fr}.ll-metric{display:grid;grid-template-columns:1fr auto;column-gap:8px;align-items:center}.ll-metric>strong{font-size:18px;margin:0}.ll-metric>small{grid-column:1/-1}.ll-metric>.ll-not-trained{margin:0;font-size:10px}.ll-legend{gap:9px 12px}.ll-actions{flex-direction:column}.ll-actions>.btn{width:100%;justify-content:center}.ll-heading>p:last-child{font-size:11px}}
@media(prefers-reduced-motion:reduce){.learning-lab *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Keep the experiment on the lesson surface; colour only carries data or state. */
.learning-lab{margin:0;padding:0;border:0;border-radius:0;background:transparent}
.ll-heading h3{margin:0 0 9px}
.ll-heading>p:last-child{font-size:15px;color:var(--muted);max-width:75ch}
.ll-figure figcaption{font-size:14px}
.ll-figure>p{font-size:12px!important;color:var(--muted)}
.ll-legend{font-size:12px;color:var(--muted);margin:12px 0 20px}
.ll-metrics{display:flex;flex-wrap:wrap;gap:12px 28px;margin:18px 0;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ll-metric,.ll-metric-current{padding:0;border:0;border-radius:0;background:transparent;flex:1;min-width:130px}
.ll-metric>span{font-size:12px;color:var(--muted)}
.ll-metric>strong{font-size:20px;margin:4px 0;color:var(--ink)}
.ll-metric>small{font-size:12px;color:var(--muted)}
.ll-actions .btn{font-size:14px}
.learning-lab .ll-status{font-size:14px;line-height:1.65;background:transparent;border:0;border-radius:0;padding:0;margin:16px 0;color:var(--ink)}
.learning-lab .ll-status:empty{display:none}
.ll-details{font-size:14px;color:var(--muted);margin:18px 0 0}
.ll-details>summary{color:var(--ink);min-height:32px;line-height:1.6;width:fit-content}
.ll-details>p,.learning-lab .ll-scope{font-size:14px;line-height:1.65}
.learning-lab .ll-scope{border:0;padding:0;color:var(--muted)}
@media(max-width:650px){.learning-lab{margin:0;padding:0}.ll-heading>p:last-child{font-size:14px}.ll-actions .btn{font-size:13px}.ll-metric{padding:0}.learning-lab .ll-status{font-size:14px;padding:0}}
@media(max-width:430px){.ll-metric{display:block}.ll-metric>strong{margin:4px 0}.ll-metrics{gap:16px}}