/* Local studio palette; shared site shell remains untouched. */
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/* Current Lab Games lab conventions: Membrane Transport / Natural Selection. */
body{margin:0;background:#e8ecf0;font:17px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif}
.ftl{--paper:#e8ecf0;--card:#fff;--ink:#0b1f33;--muted:#52667a;--line:#0b1f33;--teal:#0a5fc0;--pale:#f2f7fc;--amber:#8a4b00;--accent:#ffb800;--shadow:none;font:17px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;max-width:1500px;margin:auto;padding:12px;color:var(--ink)}
html[data-theme=dark] body{background:#0d1620}html[data-theme=dark] .ftl{--paper:#0d1620;--card:#15212e;--ink:#e3ecf5;--muted:#a3b6c8;--line:#7f97ad;--teal:#8cc2ff;--pale:#1a2a3a;--amber:#ffc46b}
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.ftl button,dialog button{border:3px solid var(--line,#0b1f33);border-radius:10px;min-height:44px;font-weight:650;padding:8px 12px}.ftl input,.ftl select,.ftl textarea,dialog input,dialog select{border:3px solid var(--line,#0b1f33);border-radius:8px;min-height:44px}.ftl input[type=checkbox],.ftl input[type=radio]{accent-color:#0a5fc0;min-height:22px;width:22px;height:22px}.ftl :focus-visible,dialog :focus-visible{outline:4px solid #ffb800;outline-offset:2px}
.lab-toolbar{position:sticky;top:var(--tlg-hh,0px);z-index:20;margin:-12px -12px 12px}.lab-head{background:#0b1f33;color:white;padding:6px 12px;gap:10px;flex-wrap:wrap}.lab-head h1{color:white;white-space:nowrap}.head-tools{gap:6px}.head-tools>span:first-child{display:none}.lab-head button,.file-menu summary{background:white;color:#0b1f33;font-size:16px;padding:5px 9px;white-space:nowrap}.file-menu summary{border:2px solid #7f95aa;border-radius:10px;min-height:44px;display:flex;align-items:center;font-weight:650}.file-menu>div{background:var(--card);border:3px solid var(--line);top:46px}.tabs{flex:1;gap:4px;border:0;margin:0;flex-wrap:wrap}.tabs button{border:2px solid #7f95aa;border-radius:10px;background:transparent;color:white;padding:5px 9px;display:block;white-space:nowrap;font-size:16px}.tabs button[aria-selected=true]{background:white;color:#0b1f33;border-color:white}.tabs button:hover:not(:disabled){background:#dbe9f7;color:#0b1f33}
.ftl .primary,dialog .primary{background:#0a5fc0;border-color:var(--line,#0b1f33);color:white;box-shadow:none}.ftl .primary:hover{background:#084a99}
.gate{display:block;max-width:880px;margin:30px auto;padding:16px}.gate-copy h2{font-size:1.3rem;letter-spacing:normal;margin:0 0 12px;line-height:1.2}.gate-copy>p:not(.eyebrow){font-size:17px}.level-choices{grid-template-columns:1fr 1fr;gap:14px;margin:16px 0 0}.ftl .level-card{border:3px solid var(--line);padding:16px;min-height:150px}.level-card b{font-size:1.25rem}.level-card>span{font-size:17px}
.card,.graph-card,.clipboard,.coach,.completion{border:3px solid var(--line);border-radius:12px;box-shadow:none;padding:12px 16px;margin-bottom:12px}.intro-line{margin:0 0 12px;align-items:center}.intro-line p{font-size:16px}.mission-grid{grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:12px}.ftl .mission{border:3px solid var(--line);padding:10px 12px;min-height:126px;gap:5px;border-radius:12px}.mission .mission-icon{display:none}.mission b{font-size:1.05rem}.mission>span:last-child{font-size:16px}.mission[aria-pressed=true]{border-color:#0a5fc0;background:var(--pale);outline:0;box-shadow:0 0 0 2px #0a5fc0 inset}.brief-grid{gap:12px;grid-template-columns:1fr 1fr}.brief-grid .card>h2{margin-top:6px}.safety{border:3px solid #8a4b00;border-radius:10px;background:var(--pale);padding:8px 12px}.brief-grid .primary{width:100%}
.station-rail{gap:6px;margin-bottom:12px}.ftl .station{border:2px solid var(--line);padding:8px 10px;font-size:16px}.station .icon{font-size:22px}.station[aria-pressed=true]{background:#0a5fc0;border-color:var(--line);color:white}.bench-grid{grid-template-columns:minmax(0,1fr) 370px;gap:12px}.work-area{min-width:0}.scene-head{margin-bottom:8px}.scene-wrap{border:3px solid var(--line);border-radius:12px;background:#cedae5}.scene-wrap canvas{aspect-ratio:960/540;min-height:0}.scene-status{top:auto;bottom:0;left:0;right:0;max-width:none;background:#0b1f33;color:white;border-radius:0;padding:8px 12px}.scene-zoom{bottom:52px;background:#0b1f33}.scene-zoom button{min-width:44px}.condition-strip>div{border:2px solid var(--line);border-radius:8px}.condition-strip .active{border-color:#0a5fc0;background:#dbe9f7;color:#0b1f33}.runbar{margin:10px 0}.clipboard{position:sticky;top:calc(var(--tlg-hh,0px) + 76px);max-height:calc(100vh - var(--tlg-hh,0px) - 88px);overflow:auto;padding:12px 16px}.seal{font-size:18px;font-weight:700}#design-board{margin-top:12px}.clip{display:none}.field{margin-bottom:10px}.variable-tray{border:2px dashed var(--line);padding:6px;border-radius:8px}.ftl .variable-card{min-height:44px;border:2px solid var(--line)}.zones{gap:6px}.ftl .zone{border:2px dashed var(--line);font-size:16px}.design-divider{border-color:var(--line)}.feedback{border:2px solid var(--line);border-radius:10px;padding:8px 12px;background:var(--pale)}.graph-card{margin:12px 0}.graph .series-a{stroke:#0a5fc0;fill:#0a5fc0}.graph .series-b{stroke:#b65d00;fill:#b65d00}.graph .gridline{stroke:#b7c8d8}.table-wrap{border:2px solid var(--line)}.ftl th{background:var(--pale)}.empty{border:3px solid var(--line);background:var(--card)}.score-number{font-size:48px;font-weight:800}.answer,.sim-task{border:2px solid var(--line)}
dialog{--ink:#0b1f33;--card:white;--line:#0b1f33;background:var(--card);color:var(--ink);font:17px/1.45 system-ui,sans-serif;border:4px solid var(--line);border-radius:14px;padding:0}.dialog-top{background:#0b1f33;color:white;padding:12px 16px;align-items:center}.dialog-top h2{font-size:1.15rem;margin:0}.dialog-top button{background:white;color:#0b1f33}#dialog-body{padding:12px 16px;max-height:62vh;overflow:auto}#dialog-actions{padding:0 16px 16px}#dialog-body a{color:#0a5fc0}html[data-theme=dark] dialog{--ink:#e3ecf5;--card:#15212e;--line:#7f97ad}html[data-theme=dark] #dialog-body a{color:#8cc2ff}#toast{background:#0b1f33;color:white;border:2px solid #7f97ad}
@media(min-width:1200px){.lab-head{flex-wrap:nowrap}.tabs{flex-wrap:nowrap}.head-tools{flex-wrap:nowrap}.lab-head>div:first-child{max-width:120px}}
@media(max-width:1000px){.bench-grid{grid-template-columns:minmax(0,1fr) 320px}.mission-grid{grid-template-columns:repeat(2,1fr)}.station-rail{grid-template-columns:repeat(3,1fr)}}
@media(max-width:800px){.bench-grid,.brief-grid,.cer-grid,.compare-grid{grid-template-columns:1fr}.clipboard{position:static;max-height:none}.lab-toolbar{position:static}.lab-head{flex-direction:row;align-items:center}.tabs{order:3;flex-basis:100%}.tabs button{padding:7px 9px;display:block}.head-tools{margin-left:auto}.scene-head{flex-wrap:wrap}.level-choices{grid-template-columns:1fr}.intro-line{align-items:start}.ftl{padding:12px 8px}.lab-toolbar{margin:-12px -8px 12px}.scene-wrap canvas{min-height:230px}.station .icon{display:none}}

.scene-wrap canvas{aspect-ratio:960/450}.runbar{border:3px solid var(--line);border-radius:12px;padding:8px 12px;background:var(--card);margin:0 0 12px}.runbar .speed-label{margin-left:0}.runbar #go-data{margin-left:auto}

.scene-status{position:static;background:#0b1f33;color:white;border-radius:8px;padding:8px 12px;margin-top:6px}.scene-zoom{bottom:14px}.scene-head .eyebrow{display:none}.scene-head h2{margin:0}.scene-head{min-height:44px}.graph-card .empty{padding:20px}

.scene-zoom{top:8px;bottom:auto}.ftl .primary:hover:not(:disabled),.ftl .primary:active{background:#084a99;color:white}.lab-head button:hover:not(:disabled){background:#dbe9f7;color:#0b1f33}

/* Keep the investigation visible beside its tools, using the existing lab cards. */
.bench-guide{display:flex;align-items:center;gap:16px;background:var(--card)}.bench-guide>div:first-child{flex:1;min-width:0}.bench-guide h2{margin:4px 0 8px}.bench-guide p{margin:5px 0}.bench-guide .eyebrow{color:var(--muted);font-size:14px}.guide-tools{display:flex;flex-direction:column;gap:8px;max-width:250px;flex-shrink:0}.lab-plan{padding-left:24px;margin:10px 0}.lab-plan li{padding-left:4px;margin:0 0 10px}.investigation-question{font-size:1.05rem}.data-directions p{margin-top:8px}@media(max-width:800px){.bench-guide{align-items:stretch;flex-direction:column}.guide-tools{max-width:none;flex-direction:row;flex-wrap:wrap}.guide-tools button{flex:1}.lab-plan li{margin-bottom:12px}}