.lesson-lab{margin:38px 0;padding:25px 24px;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:12px;background:var(--surface);scroll-margin-top:100px}.lesson-lab header>.eyebrow{font-size:10px;color:var(--accent)}.lesson-lab h2{font-size:23px;line-height:1.6;margin:8px 0 14px;letter-spacing:-.6px}.lab-objective{font-size:14px;color:var(--muted);line-height:1.9}.lab-setup{padding:17px 20px;margin:24px 0;border-radius:8px;background:var(--bg)}.lesson-lab h3{font-size:16px;line-height:1.7;margin:0 0 11px}.lesson-lab ul{padding-left:19px;margin:10px 0}.lesson-lab li{font-size:13px;line-height:1.95;overflow-wrap:anywhere}.lesson-lab li+li{margin-top:8px}.lab-steps{list-style:none;padding:0!important;margin:28px 0!important}.lab-steps>.lab-step{padding:0 0 30px;margin:0 0 28px;border-bottom:1px solid var(--line)}.lab-steps>.lab-step:last-child{margin-bottom:0}.lab-step-heading{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px}.lab-step-heading>span{font:700 12px var(--mono,monospace);color:var(--accent);background:var(--accent-soft,#eef0ff);padding:6px 8px;border-radius:6px;flex:none;margin-top:3px}.lab-step-heading h3{font-size:18px;margin:0}.lab-explain{margin-bottom:18px!important}.lab-figure{margin:22px 0;background:var(--bg);border:1px solid var(--line);border-radius:9px;overflow:hidden;scroll-margin-top:100px}.lab-figure>a{display:block;position:relative;padding:12px;background:#f0f3f7}.lab-figure img{display:block;max-width:100%;height:auto;margin:auto}.lab-zoom{display:block;font-size:10px;text-align:right;margin-top:8px;color:#46516b}.lab-figure figcaption{padding:12px 17px}.lab-observations{margin:0!important;padding-left:18px!important}.lab-observations li{font-size:12px;line-height:1.85;color:var(--muted)}.lab-redacted{display:inline-block;font-size:10px;margin-bottom:7px;color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:2px 7px}.lab-check{border-left:3px solid #7395a8;background:var(--bg);padding:13px 17px;margin-top:18px}.lab-check>strong{font-size:11px;color:var(--accent)}.lab-check>p{font-size:12px;line-height:1.9;margin:5px 0 0;color:var(--muted)}.lab-takeaways{margin:22px 0}.lab-note-link{display:inline-block;color:var(--accent);font-size:12px;font-weight:700;text-decoration:underline;text-underline-offset:4px;line-height:1.9;margin:9px 0}.lab-references{border-top:1px solid var(--line);padding-top:15px;margin-top:24px}.lab-references summary{font-size:12px;color:var(--muted);cursor:pointer}.lab-references>div{display:grid;gap:8px;margin-top:12px}.lab-references a{font-size:11px;color:var(--accent);overflow-wrap:anywhere}.lab-supplements{border-top:1px solid var(--line);margin-top:26px;padding-top:22px}.lab-supplements>p{font-size:12px;line-height:1.9;color:var(--muted)}.lab-supplements h3>span{font-size:12px;color:var(--accent);font-weight:400}.lab-run{border:1px solid var(--line);border-radius:7px;margin:11px 0;padding:0 15px}.lab-run>summary{padding:13px 0;font-size:12px;cursor:pointer}.lab-run>summary>span{font-size:10px;color:var(--muted);margin-left:8px}.lab-run-images>.lab-figure{margin:0 0 17px}.lab-run-images .lab-figure img{max-height:650px;object-fit:contain}.lab-run-images .lab-figure img:hover{cursor:zoom-in}.lab-jumps{border-left:2px solid var(--accent);margin:20px 0;padding:0 14px;display:grid;gap:7px}.lab-jumps>span{font-size:10px;color:var(--muted)}.lab-jumps a{font-size:12px;color:var(--accent);line-height:1.8}.lab-context ol{padding-left:20px}.lab-context li{margin:13px 0;line-height:1.85;font-size:12px;color:var(--muted)}.lab-context li strong{display:block;color:var(--text)}.capture-card .lab-note-link{font-size:11px}.lab-concept-more{padding:12px 0;font-size:12px;color:var(--accent)}
@media(max-width:600px){.lesson-lab{padding:20px 15px;margin:28px 0}.lesson-lab h2{font-size:20px}.lab-objective{font-size:13px}.lab-step-heading h3{font-size:16px}.lab-setup{padding:14px}.lab-figure>a{padding:5px}.lab-figure figcaption{padding:10px 12px}.lesson-lab li{font-size:12px}.lab-steps>.lab-step{padding-bottom:22px;margin-bottom:23px}.lab-run{padding:0 10px}.lab-check{padding:12px}.lab-zoom{font-size:9px}.lab-run-images .lab-figure img{max-height:none}}
@media print{.lesson-lab{border:1px solid #ccc}.lab-figure{break-inside:avoid}.lab-run-images{display:block}.lab-zoom,.lab-references,.lab-note-link{display:none}.lab-steps>.lab-step{break-inside:auto}}