/* The Knowledge heading is visually hidden (the top bar names the page): the switch leads the sheet. */
.knowledge-page{padding-top:26px}
.knowledge-switch{display:flex;gap:24px;border-bottom:1px solid var(--line);margin:0 0 28px}
.knowledge-switch button{border:0;border-bottom:2px solid transparent;background:none;padding:12px 0;color:var(--muted);min-height:44px;font-weight:500}
.knowledge-switch button[aria-pressed=true]{color:var(--ink);border-bottom-color:var(--plum)}
.knowledge-switch button:hover{color:var(--plum-700)}
.laboratory{max-width:820px}
.lab-question .field{margin-bottom:16px}.lab-question textarea{min-height:100px;resize:vertical}
.lab-progress{margin-top:20px;color:var(--muted)}.lab-error:empty{display:none}.lab-error{margin-top:16px}
.lab-empty{margin:36px 0;color:var(--muted)}
.lab-answer{margin-top:32px;padding-top:28px;border-top:1px solid var(--line)}
.lab-question-text{color:var(--muted);margin-bottom:20px;overflow-wrap:anywhere}
.laboratory .ai-prose{font-size:15px;line-height:1.75;max-width:72ch}
.lab-sources,.lab-reason{margin-top:18px;color:var(--muted);font-size:13px}
.laboratory summary{cursor:pointer;min-height:32px;padding:4px 0;overflow-wrap:anywhere}
.lab-sources details{margin:8px 0 12px 16px}.lab-sources blockquote{margin:12px 0;white-space:pre-wrap;color:var(--ink);line-height:1.7}
.lab-reason .ai-prose{margin:12px 0;color:var(--ink)}
.lab-answer>.btn{margin-top:20px}.lab-caution{font-size:13px;line-height:1.7;color:var(--amber);margin:16px 0}
.lab-feedback{margin-top:28px}.lab-feedback textarea{min-height:120px;resize:vertical}
.lab-proposal{margin-top:32px;padding-top:28px;border-top:1px solid var(--line);animation:lab-reveal 220ms var(--ease)}
.lab-feedback-note{margin-bottom:28px;color:var(--muted);font-size:14px}.lab-feedback-note p{white-space:pre-wrap;overflow-wrap:anywhere;margin-bottom:8px}
.lab-target{display:flex;gap:8px;align-items:center;margin-top:12px;overflow-wrap:anywhere;color:var(--muted)}
.lab-finding{margin-top:20px}.lab-why{margin-top:12px;color:var(--muted)}
.lab-diff{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:24px;margin:24px 0}
.lab-diff h3{margin-bottom:12px}.lab-before,.lab-after{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.8}
.lab-before{color:var(--muted)}.lab-after{color:var(--ink);background:var(--mint-100);padding:16px;border-radius:12px}
.lab-golden-title{margin:28px 0 12px}.lab-decisions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.lab-applied{display:flex;align-items:center;gap:8px;color:var(--green);margin-top:24px;font-size:13px}
.lab-examples{margin-top:40px;border-top:1px solid var(--line);padding-top:20px;color:var(--muted)}
.lab-examples article{padding:20px 0;border-bottom:1px solid var(--line);color:var(--ink)}.lab-examples h3{margin-bottom:12px}
@keyframes lab-reveal{from{transform:translateY(8px)}to{transform:translateY(0)}}
@media(max-width:650px){.knowledge-page{padding-top:14px}.knowledge-switch{gap:24px;margin-bottom:24px;overflow-x:auto;scrollbar-width:none}.lab-diff{gap:20px}.lab-answer,.lab-proposal{margin-top:24px;padding-top:24px}.laboratory .ai-prose{font-size:15px}.knowledge-page>.page-heading{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.lab-proposal{animation:none}}