.lab-lead{max-width:820px;font-size:17px}.lab-layout{display:grid;grid-template-columns:218px minmax(0,1fr);gap:24px;align-items:start;margin-top:28px}.lab-gallery{display:grid;gap:8px;margin:0}.lab-choice{text-align:left;padding:13px 16px;border-radius:12px;display:flex;flex-direction:column;gap:4px;background:#fff;min-width:0}.lab-choice strong{font-size:15px;line-height:1.35}.lab-choice-tag{font-size:10px;color:#72806e;text-transform:uppercase;letter-spacing:1px}.lab-choice-desc{font-size:12px;color:var(--muted);line-height:1.5}.lab-choice[aria-pressed=true]{background:#eaf1e3;border-color:#527d49;box-shadow:inset 3px 0 #255940}.lab-workspace{min-width:0}.lab-heading{display:flex;justify-content:space-between;gap:15px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.lab-heading h2{margin:10px 0 0;font-size:27px}.lab-heading .badge{white-space:normal}.lab-heading select{max-width:100%}.lab-input-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:17px 20px;margin:0 0 18px}.lab-input-card>summary{font-size:15px;font-weight:650}.lab-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px;margin-top:18px}.lab-fields label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:#5c6d60;min-width:0}.lab-fields input,.lab-fields textarea{width:100%;min-width:0;font-size:14px}.lab-fields textarea{font-family:Consolas,monospace;min-height:100px;resize:vertical}.lab-field-wide{grid-column:1/-1}.lab-error{color:#a02e2e;font-size:13px;margin:12px 0 0;min-height:0}.lab-error:empty{display:none}.lab-stage-new{padding:25px;min-height:270px;overflow:hidden}.lab-step-label{font:12px/1.6 Consolas,monospace;color:#c3d4b8}.lab-cells{display:flex;flex-wrap:wrap;gap:7px;margin:15px 0}.lab-cell-wrap{display:flex;flex-direction:column;align-items:center;min-width:44px}.lab-index{font:11px Consolas,monospace;color:#b3c5a9;min-height:17px}.lab-cell{min-width:44px;height:46px;padding:0 7px;border:1px solid #66815e;border-radius:8px;display:flex;align-items:center;justify-content:center;font:17px Consolas,monospace;transition:background .15s}.lab-cell.is-done{background:#345942;border-color:#7d9c67}.lab-cell.is-muted{opacity:.35}.lab-cell.is-active{background:#d6ef87;color:#1d3327;border-color:#d6ef87;opacity:1;box-shadow:0 0 0 2px #d6ef8722}.lab-marker{font-size:10px;color:#f0bd85;min-height:17px}.lab-memory{border-top:1px solid #496042;margin-top:12px;padding-top:14px}.lab-memory .lab-cell{font-size:14px;min-width:42px;height:38px}.lab-stage-new .step-text{font-size:16px;line-height:1.7;margin:16px 0 0;overflow-wrap:anywhere}.lab-metrics{display:flex;flex-wrap:wrap;gap:8px}.lab-metrics>span{font-size:12px;background:#ffffff0c;padding:5px 9px;border-radius:6px;color:#c3d4b8}.lab-metrics strong{color:white;margin-left:6px}.lab-queue{display:flex;align-items:center;gap:8px;font-size:13px;margin:10px 0;flex-wrap:wrap}.lab-queue b{border:1px solid #74886b;border-radius:5px;padding:3px 9px;color:#d6ef87}.lab-result{margin-top:15px;border-top:1px solid #6b885c;padding-top:13px;color:#c3d4b8;overflow-wrap:anywhere}.lab-result strong{color:#d6ef87;margin-left:12px}.lab-controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}.lab-controls button,.lab-controls select{font-size:13px;padding:9px 12px}.lab-timeline{display:flex;gap:12px;align-items:center;margin:18px 0 7px;font-size:12px;color:var(--muted);flex-wrap:wrap}.lab-timeline input{accent-color:var(--green);flex:1;min-width:100px;padding:0}.lab-timeline output{font-variant-numeric:tabular-nums;min-width:55px}.lab-bottom{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;align-items:start}.lab-bottom .card{padding:20px;min-width:0;margin:0}.lab-bottom h3{font-size:16px}.lab-pseudocode ol{padding-left:24px;font:12px/1.8 Consolas,monospace;overflow-wrap:anywhere}.lab-pseudocode li{padding:5px 8px;margin:3px 0;border-radius:5px;white-space:pre-wrap}.lab-pseudocode li.current{background:#eaf1e3;color:#18422d;box-shadow:inset 3px 0 #618543}.lab-pseudocode li.current::marker{font-weight:bold;color:#255940}.lab-challenge>summary{font-size:15px;font-weight:650}.lab-challenge form>label{display:block;font-size:12px;margin-bottom:7px}.lab-challenge input{min-width:90px;width:100%;flex:1}.lab-challenge .inline{align-items:stretch}.lab-challenge .feedback{font-size:13px}.lab-graph{width:100%;height:auto;max-height:330px;display:block;margin:8px auto}.lab-graph line{stroke:#819279;stroke-width:2}.lab-graph rect{fill:#294333}.lab-graph text{fill:#dcebd2;text-anchor:middle;font:13px Consolas,monospace}.lab-graph .edge-active line{stroke:#eeb77b;stroke-width:4}.lab-graph .edge-active rect{fill:#72533c}.lab-node circle{fill:#294333;stroke:#92a97c;stroke-width:2}.lab-node text{fill:#ebf3e5;font-weight:bold}.lab-node.node-done circle{fill:#426a46}.lab-node.node-active circle{stroke:#ffd29c;stroke-width:4}.lab-node[style] text{fill:#183523}.lab-node-table{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:10px 0}.lab-node-table>span{background:#ffffff0c;display:flex;gap:7px;padding:5px 9px;border-radius:6px;font:12px/1.6 Consolas,monospace}.lab-node-table strong{color:#d6ef87}.lab-graph .lab-node circle[style]+text{fill:#1d3327}@media(max-width:1150px){.lab-layout{grid-template-columns:1fr}.lab-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}.lab-choice-desc{display:none}.lab-choice{padding:11px 13px}.lab-bottom{grid-template-columns:1fr 1fr}}@media(max-width:650px){.lab-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-layout{gap:20px}.lab-lead{font-size:15px}.lab-heading h2{font-size:24px}.lab-choice strong{font-size:14px}.lab-choice-tag{font-size:9px}.lab-stage-new{padding:18px}.lab-fields{gap:12px}.lab-input-card{padding:15px}.lab-bottom{grid-template-columns:1fr}.lab-controls{gap:6px}.lab-controls button,.lab-controls select{font-size:12px;padding:9px}.lab-cell{min-width:36px;height:40px;font-size:15px}.lab-cell-wrap{min-width:36px}.lab-cells{gap:5px}.lab-step-label{font-size:11px}.lab-node-table>span{font-size:11px}.lab-graph{margin:0}.lab-heading select{width:100%}}@media(prefers-reduced-motion:reduce){.lab-cell{transition:none}}

@media(max-width:650px){.lab-gallery{display:flex;overflow-x:auto;gap:8px;padding-bottom:8px}.lab-choice{flex:0 0 155px}.lab-layout{margin-top:20px}.lab-stage-new{min-height:240px}}

.lab-graph path{fill:none;stroke:#819279;stroke-width:2}.lab-graph .edge-active path{stroke:#eeb77b;stroke-width:4}