.fclab{--ink:#192b36;--muted:#526675;--paper:#f4f5ef;--card:#fff;--teal:#007f79;--purple:#6355b0;--coral:#ba472f;--gold:#a96c10;--line:#dce2dd;--soft:#eaf3ef;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}.fclab *{box-sizing:border-box}.fclab{margin:0}.fclab button, .fclab input, .fclab select{font:inherit}.fclab button, .fclab select, .fclab input[type=range], .fclab input[type=color]{cursor:pointer}.fclab button{color:inherit}.fclab button:focus-visible, .fclab a:focus-visible, .fclab input:focus-visible, .fclab select:focus-visible, .fclab summary:focus-visible{outline:3px solid #a96c10;outline-offset:4px}.fclab button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 15px;font-weight:650}.fclab button:hover{border-color:var(--teal)}.fclab a{color:#006862;text-underline-offset:3px}.fclab .wrap{max-width:1450px;margin:auto;padding:30px 38px 40px}.fclab .brand{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:26px}.fclab .wordmark{font-size:24px;letter-spacing:-1px;font-weight:850}.fclab .wordmark i{color:var(--teal);font-style:normal}.fclab .small{font-size:12px;color:var(--muted);line-height:1.55}.fclab .kicker{text-transform:uppercase;font-size:11px;letter-spacing:1.7px;font-weight:750;color:var(--teal)}.fclab .hero h1{font-size:clamp(26px,3.5vw,42px);line-height:1.15;letter-spacing:-1.4px;margin:7px 0 8px}.fclab .hero p{margin:0;color:var(--muted);max-width:760px;line-height:1.6}.fclab .module-nav{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;margin:28px 0 24px}.fclab .module-nav button{text-align:left;min-height:76px;padding:12px 10px;font-size:12px;line-height:1.3;background:transparent;border-color:#cfd9d3}.fclab .module-nav strong{display:block;font-size:11px;letter-spacing:1px;margin-bottom:7px;color:var(--teal)}.fclab .module-nav button[aria-current=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.fclab .module-nav button[aria-current=true] strong{color:#9fe0cc}.fclab .activity-top{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:0 0 16px}.fclab .activity-tabs{display:flex;gap:8px;flex-wrap:wrap}.fclab .activity-tabs button[aria-pressed=true]{color:#fff;background:var(--teal);border-color:var(--teal)}.fclab .activity-heading h2{font-size:28px;letter-spacing:-.7px;line-height:1.2;margin:12px 0 7px}.fclab .activity-heading p{line-height:1.55;margin:0 0 20px;color:var(--muted);max-width:840px}.fclab .lab{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}.fclab .canvas{background:#fff;border:1px solid var(--line);border-radius:18px;min-width:0;overflow:hidden}.fclab .visual-inner{padding:22px}.fclab .controls{background:#fff;padding:18px;border:1px solid var(--line);border-radius:18px}.fclab .controls h3{font-size:11px;text-transform:uppercase;letter-spacing:1.4px;margin:0 0 18px;color:var(--muted)}.fclab .control{padding:0 0 17px;margin:0}.fclab .control:last-child{padding-bottom:0}.fclab .control label{font-size:12px;font-weight:700;display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:7px}.fclab .control output{font-variant-numeric:tabular-nums;color:var(--teal);white-space:nowrap;font-weight:750}.fclab .control input[type=range]{width:100%;accent-color:var(--teal);height:19px;margin:0}.fclab .control input[type=text], .fclab .control input[type=number], .fclab .control select{width:100%;border:1px solid #aabbb1;border-radius:7px;padding:8px;color:var(--ink);background:#fff;font-size:13px}.fclab .control input[type=color]{width:100%;height:34px;border:1px solid #aabbb1;background:#fff;border-radius:7px;padding:3px}.fclab .control .hint{font-size:11px;line-height:1.45;color:var(--muted);margin-top:5px}.fclab .control.highlight{padding:10px;background:#e9f5f0;margin:-5px -10px 12px;border-radius:10px}.fclab .metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 10px}.fclab .metric{padding:13px;background:#f0f5f2;border-radius:10px;min-width:0}.fclab .metric b{display:block;font-size:25px;font-weight:750;letter-spacing:-.6px;color:#086961}.fclab .metric span{font-size:11px;color:#435b64;line-height:1.4;display:block;margin-top:4px}.fclab .takeaway{border-left:3px solid var(--teal);padding:10px 14px;line-height:1.55;background:#f2f7f4;font-size:14px;margin-top:15px}.fclab .challenge{padding:15px 22px;background:#f7f1e3;border-top:1px solid #e9e0cc;line-height:1.5;font-size:13px}.fclab .challenge b{color:#745110;margin-right:6px}.fclab .meta{margin-top:18px;background:transparent;border-top:1px solid var(--line);padding-top:16px;font-size:12px;line-height:1.6}.fclab .meta summary{cursor:pointer;font-weight:750;color:var(--muted)}.fclab .meta ul{padding-left:18px}.fclab .meta p{max-width:950px}.fclab .source-line{font-size:11px;line-height:1.5;color:var(--muted);margin-top:16px}.fclab .pill{display:inline-block;border-radius:30px;background:#e9f3ee;color:#066b60;font-size:10px;letter-spacing:.6px;text-transform:uppercase;font-weight:750;padding:6px 10px}.fclab .toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:12px 0}.fclab .toolbar button{font-size:12px;padding:8px 12px}.fclab .toolbar button.active{background:#e4f3ef;border-color:var(--teal);color:#006862}.fclab .stage{display:block;width:100%;height:auto;background:#132c38;border-radius:11px}.fclab .chart{display:block;width:100%;height:auto;overflow:visible}.fclab .chart text, .fclab .diagram text{font-family:inherit;fill:#526675;font-size:12px}.fclab .diagram{width:100%;height:auto;display:block}.fclab .caption{font-size:11px;color:var(--muted);line-height:1.55;margin-top:8px}.fclab .two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.fclab .subhead{font-size:12px;font-weight:750;margin:0 0 10px}.fclab .gates{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:16px}.fclab .gate{border:1px solid #d7dce2;border-radius:9px;padding:11px;font-size:12px;background:#f7f8fa;line-height:1.5}.fclab .gate.on{border-color:#ac9ed1;background:#f0edfa;color:#493c78}.fclab .gate b{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}.fclab .status{font-weight:700;font-size:15px;color:#554581;margin-top:13px}.fclab .swatches{display:flex;justify-content:center;padding:28px;background:#edf0ef;border-radius:12px;gap:0}.fclab .swatches div{width:88px;height:88px}.fclab .notice{border:1px solid #a5cbc1;background:#f3faf6;border-radius:12px;padding:22px;font-size:16px;line-height:1.7}.fclab .notice h3{margin:0 0 12px;font-size:22px}.fclab .question-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.fclab .question{border:1px solid var(--line);border-radius:9px;padding:13px;font-size:12px;line-height:1.6}.fclab .question b{display:block;font-size:12px;margin-bottom:4px;color:var(--teal)}.fclab .row-table{width:100%;border-collapse:collapse;font-size:12px}.fclab .row-table th, .fclab .row-table td{padding:12px 6px;text-align:left;border-bottom:1px solid var(--line)}.fclab .row-table th{color:var(--muted);font-size:11px}.fclab .row-table select, .fclab .row-table input{width:100%;max-width:170px;padding:8px;border:1px solid #b8c6bf;border-radius:6px;background:#fff;color:var(--ink);font:inherit}.fclab .row-table input[type=checkbox]{width:auto;accent-color:var(--teal);height:19px;width:19px}.fclab .checklist{display:grid;gap:12px}.fclab .check{display:flex;gap:10px;align-items:center;font-size:13px}.fclab .check input{accent-color:var(--teal);width:18px;height:18px}.fclab .footer{display:flex;justify-content:space-between;gap:20px;margin-top:28px;font-size:11px;color:var(--muted);line-height:1.5}.fclab .seat-button{cursor:pointer}.fclab .seat-button:focus{outline:none}.fclab .seat-button:focus rect{stroke:#a96c10;stroke-width:4}.fclab .empty{color:var(--muted)}.fclab .legend{display:flex;gap:18px;font-size:11px;margin-bottom:12px;flex-wrap:wrap}.fclab .legend span:before{content:'';display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px;background:var(--teal)}.fclab .legend span.purple:before{background:var(--purple)}.fclab .legend span.coral:before{background:var(--coral)}.fclab .embedded .hero, .fclab .embedded .module-nav, .fclab .embedded .activity-tabs, .fclab .embedded .brand .small{display:none}.fclab .embedded .wrap{padding:20px;max-width:1180px}.fclab .embedded .brand{margin-bottom:14px}.fclab .embedded .activity-top{justify-content:flex-end}.fclab .embedded .footer{margin-top:18px}.fclab:has(.row-table) .lab{grid-template-columns:minmax(0,1fr) 290px}@media(max-width:1000px){.fclab .wrap{padding:24px}.fclab .module-nav{grid-template-columns:repeat(4,1fr)}.fclab .lab{grid-template-columns:minmax(0,1fr) 270px}.fclab .visual-inner{padding:16px}.fclab .metric b{font-size:22px}.fclab .controls{padding:16px}.fclab:has(.row-table) .lab{grid-template-columns:1fr}}@media(max-width:730px){.fclab .wrap{padding:16px}.fclab .brand{margin-bottom:20px}.fclab .brand .small{max-width:140px;text-align:right}.fclab .hero h1{letter-spacing:-.7px}.fclab .module-nav{gap:5px;margin:22px 0 18px}.fclab .module-nav button{font-size:10px;padding:9px;min-height:67px}.fclab .module-nav strong{font-size:10px}.fclab .activity-top{gap:10px;align-items:start}.fclab .activity-tabs{gap:5px}.fclab .activity-tabs button{font-size:11px;padding:9px}.fclab .activity-heading h2{font-size:24px}.fclab .activity-heading p{font-size:14px}.fclab .lab{grid-template-columns:1fr}.fclab .controls{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px}.fclab .controls h3{grid-column:1/-1;margin-bottom:0}.fclab .control{padding-bottom:7px}.fclab .control label{font-size:11px;align-items:start}.fclab .metrics{gap:6px}.fclab .metric{padding:10px}.fclab .metric b{font-size:21px}.fclab .metric span{font-size:10px}.fclab .two-col{gap:10px}.fclab .question-grid{grid-template-columns:1fr}.fclab .visual-inner{padding:14px}.fclab .takeaway{font-size:13px}.fclab .footer{flex-direction:column;gap:6px}.fclab .row-table th, .fclab .row-table td{padding:9px 3px;font-size:11px}.fclab .row-table select{max-width:120px;font-size:11px;padding:6px}.fclab .row-table input[type=number]{max-width:65px}.fclab .gates{gap:7px}.fclab .gate{font-size:11px;padding:9px}.fclab .embedded .wrap{padding:12px}}@media(prefers-reduced-motion:reduce){.fclab *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}@media print{.fclab .controls, .fclab .module-nav, .fclab .activity-top, .fclab .brand .small{display:none}.fclab .lab{display:block}.fclab .wrap{padding:0}.fclab .canvas{break-inside:avoid}.fclab .meta{display:block}.fclab .footer{display:none}}@media(max-width:730px){.fclab .two-col{grid-template-columns:1fr}.fclab .metric b{font-size:clamp(16px,4.5vw,21px)}.fclab .metric{overflow-wrap:break-word}.fclab .row-table select{max-width:105px}.fclab .stage{min-height:0}}
.fclab{background:#fff;font-family:inherit;color:var(--ink);border-left:5px solid var(--c-demo);padding:14px 16px}
.fclab .lab{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:16px;margin-top:10px}
.fclab .controls{background:#f7f8fa;border-radius:10px;padding:14px}
.fclab .controls h3{margin:0 0 8px;font-size:.95rem}
.fclab .lab-reset{margin-top:10px;font-size:.85rem;padding:6px 10px}
.fclab .lab-intro{margin:4px 0 8px}
.fclab .meta{margin-top:10px;font-size:.9rem}
.fclab .lab-save{margin:8px 0 0}
.fclab .canvas{min-width:0}
.fclab .visual-inner svg{max-width:100%;height:auto}
@media(max-width:900px){.fclab .lab{grid-template-columns:1fr}}