#tab-labs [hidden]{display:none!important}.lab-categories{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.lab-category-button{text-align:left;background:linear-gradient(145deg,#122631,#11151e);border:1px solid #295362;border-radius:18px;padding:22px;color:#e2e8f0;display:flex;flex-direction:column;gap:12px}.lab-category-button strong{font-size:20px;color:#67e8f9}.lab-category-button span,.lab-category-button small{font-size:13px;color:#b1c4d4}.lab-category-button[aria-expanded=true],.lab-category-button:hover{border-color:#22d3ee;background:#123643}.lab-category-panel{display:grid;gap:26px;scroll-margin-top:25px}.lab-category-panel>h2{font-size:28px;font-weight:800;margin-bottom:-20px}.lab-workbench,.lab-legacy{border:1px solid #29434f;border-radius:20px;padding:24px;background:#10171f}.lab-workbench>h3{font-size:22px;font-weight:700;color:#67e8f9}.lab-description{color:#b2c3d3;line-height:1.7;margin:8px 0 20px}.lab-controls{display:flex;flex-wrap:wrap;gap:15px;margin-bottom:20px}.lab-controls label{display:flex;flex-direction:column;gap:7px;font-size:13px;color:#b8d6df;flex:1;min-width:145px}.lab-controls .lab-data-label{flex:3;min-width:230px}.lab-controls input,.lab-controls select{background:#07121d;color:white;border:1px solid #3a5868;padding:11px;border-radius:8px;width:100%;min-width:0}.lab-split{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:24px}.lab-visual{background:#09111a;border-radius:12px;padding:18px;min-height:180px;overflow:auto;display:flex;flex-direction:column;justify-content:center}.lab-visual svg{width:100%;min-width:300px;max-height:350px}.lab-cells{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}.lab-cell{background:#123143;border:1px solid #27738a;border-radius:8px;min-width:54px;max-width:100%;padding:8px 12px;display:flex;flex-direction:column;word-break:break-word}.lab-cell small{color:#8da8b8;font-size:10px}.lab-cell strong{color:#e0f2fe;font-size:17px}.lab-cell.lab-active{border-color:#fbbf24;background:#503d10}.lab-explanation{background:#15212c;border-left:3px solid #22d3ee;padding:20px;border-radius:10px;line-height:1.75;color:#c7d6e2;overflow-wrap:anywhere}.lab-explanation h4{font-size:16px;color:#67e8f9;font-weight:700;margin-bottom:12px}.lab-summary{margin-top:16px;color:#a7f3d0}.lab-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:20px;font-size:12px}.lab-toolbar button{border:1px solid #397389;border-radius:8px;background:#123646;padding:9px 14px;color:#e0f2fe}.lab-toolbar button:disabled{opacity:.4;cursor:default}.lab-toolbar input{flex:1;min-width:100px;accent-color:#22d3ee}.lab-simulation{font-size:12px;border-top:1px solid #354757;margin-top:18px;padding-top:12px;color:#e7c992}.lab-error{color:#fca5a5}.lab-workbench :focus-visible,.lab-category-button:focus-visible{outline:3px solid #fbbf24;outline-offset:3px}.lab-legacy>div{min-width:0}.lab-legacy canvas{max-width:100%}@media(max-width:800px){.lab-split{grid-template-columns:1fr}.lab-workbench,.lab-legacy{padding:16px}.lab-categories{grid-template-columns:1fr 1fr}}@media(prefers-reduced-motion:reduce){.lab-category-panel{scroll-behavior:auto}}
.lab-experiment-picker{display:flex;flex-direction:column;gap:8px;color:#a5e7f3;font-size:14px}.lab-experiment-picker select{background:#10232f;border:1px solid #398196;border-radius:10px;padding:14px;color:white;font-size:16px;width:100%;max-width:100%}
.lab-pointer{align-self:center;font-size:24px;color:#67e8f9}
.lab-toolbar button,.lab-toolbar>span{flex-shrink:0;white-space:nowrap}
.lab-walkthrough{margin:0 0 12px;color:#b8cbd8;font-size:13px;line-height:1.6}
.lab-step-list{max-height:360px;overflow:auto;padding:0 6px 0 28px;margin:0;scrollbar-color:#397389 #10202b}
.lab-step{padding:0;margin:0 0 7px;color:#8ba5b6}
.lab-step::marker{font-size:12px;font-weight:700}
.lab-step-button{width:100%;display:grid;grid-template-columns:58px minmax(0,1fr);gap:8px;text-align:left;align-items:start;padding:9px 10px;border:1px solid transparent;border-radius:8px;background:transparent;color:#c7d6e2;font:inherit;line-height:1.55;cursor:pointer}
.lab-step-button strong{color:#8fc7d5;font-size:12px;white-space:nowrap}
.lab-step-button:hover{background:#102b39;border-color:#28556a}
.lab-step.is-current .lab-step-button{background:#123143;border-color:#22d3ee;color:#f0f9ff}
.lab-step.is-current .lab-step-button strong{color:#67e8f9}
.lab-step-button:focus-visible{outline:3px solid #fbbf24;outline-offset:2px}
.lab-legacy .lab-walkthrough{margin-top:0}
.lab-category-panel{gap:18px}
.lab-workbench,.lab-legacy{padding:16px}
.lab-workbench>h3{margin:0 0 4px}
.lab-description{line-height:1.55;margin:6px 0 12px}
.lab-controls{gap:10px;margin-bottom:12px}
.lab-controls label{gap:5px}
.lab-controls input,.lab-controls select{padding:9px}
.lab-split{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:14px;align-items:stretch}
.lab-visual{min-height:136px;padding:12px}
.lab-explanation{padding:14px;line-height:1.55}
.lab-explanation h4{margin:0 0 8px}
.lab-guide{display:grid;gap:7px;margin:0 0 10px}
.lab-guide-row{display:grid;grid-template-columns:minmax(118px,.32fr) minmax(0,1fr);gap:9px;margin:0;padding:8px 9px;border-radius:7px;background:#101b25;font-size:12px;line-height:1.45}
.lab-guide-row strong{color:#67e8f9;font-size:11px}
.lab-guide-row span{color:#c7d6e2}
.lab-walkthrough{margin:0 0 8px}
.lab-step-list{max-height:290px}
.lab-summary{margin-top:10px}
.lab-toolbar{gap:8px;margin-top:12px}
.lab-legacy .lab-guide{margin-bottom:10px}
@media(max-width:800px){.lab-workbench,.lab-legacy{padding:13px}.lab-guide-row{grid-template-columns:1fr;gap:3px}.lab-split{gap:12px}}