/* Laboratory workspace extends the shared Science design language. */
.lab-platform{--lab-accent:#008476;max-width:1500px;margin:0 auto}.lab-review{padding:10px 18px;border:1px solid #9ab9d3;border-radius:8px;color:var(--ink,#102640);background:var(--paper,#fff);font-size:12px;font-weight:700;letter-spacing:.06em}.lab-platform .immersive-heading{position:relative;border-radius:20px;padding:42px 36px;min-height:200px;background:linear-gradient(90deg,rgba(7,24,43,.9),rgba(7,24,43,.48)),var(--unit-art) center/cover;color:#fff}.lab-platform .immersive-heading p{max-width:760px}.lab-platform .breadcrumb a{color:#fff}.lab-platform h1{font-size:clamp(30px,4vw,48px);line-height:1.15;max-width:900px}.lab-platform h2{font-size:24px;line-height:1.3;margin:6px 0 18px}.lab-platform h3{font-size:18px}.lab-jumps,.lab-actions{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px}.lab-jumps{padding:18px 0}.lab-jumps a{display:inline-flex;align-items:center;min-height:44px;padding:8px 15px;border:1px solid var(--line,#b8cbd9);border-radius:9px;background:var(--paper,#fff);font-size:13px;font-weight:700}.lab-savebar{display:flex;justify-content:space-between;gap:20px;padding:14px 18px;border-radius:10px;background:var(--paper,#fff);border-left:4px solid var(--lab-accent);font-size:12px;margin:12px 0 22px}.lab-panel{background:var(--paper,#fff);border:1px solid var(--line,#c4d5e1);border-radius:16px;padding:28px;margin:20px 0;min-width:0}.lab-panel p,.lab-panel li{font-size:15px;line-height:1.75}.lab-panel li{margin-bottom:10px}.lab-panel details{margin:18px 0;border-top:1px solid var(--line,#c4d5e1);padding-top:16px}.lab-panel summary{min-height:44px;cursor:pointer;font-weight:700}.lab-workspace{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:22px;align-items:start}.lab-workspace .lab-panel{margin:0}.lab-apparatus{position:sticky;top:92px;max-height:calc(100vh - 115px);overflow:auto}.lab-notebook{max-height:none}.lab-platform label:not(.lab-choice):not(.lab-file){display:grid;gap:8px;font-weight:700;font-size:14px;margin:18px 0}.lab-hint{font-weight:400;font-size:13px;line-height:1.6;color:var(--muted,#526679)}.lab-platform textarea,.lab-platform input:not([type=radio]):not([type=file]),.lab-platform select{font:inherit;color:var(--ink,#102640);background:var(--paper,#fff);border:1px solid #839bad;border-radius:9px;padding:12px;width:100%;box-sizing:border-box;min-width:0;min-height:44px}.lab-platform textarea{resize:vertical;line-height:1.6}.lab-platform textarea:focus,.lab-platform input:focus,.lab-platform select:focus{border-color:#1559c4}.lab-platform :focus-visible{outline:3px solid #008476;outline-offset:3px}.lab-platform .primary{background:#1459cc;color:white;border-color:#1459cc;text-decoration:none}.lab-platform .primary:hover{background:#1048a5;color:white}.lab-platform .secondary{background:var(--paper,#fff);color:var(--ink,#102640);border:1px solid #839bad;text-decoration:none}.lab-platform button,.lab-platform .secondary,.lab-platform .primary{min-height:44px;cursor:pointer}.lab-platform .lab-actions{margin:18px 0}.lab-platform .text-button{color:var(--blue,#1559c4)}.lab-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.lab-chart{background:white;overflow-x:auto;border-radius:12px;margin:20px 0;border:1px solid #bdcddd}.lab-chart:empty{display:none}.lab-chart svg{display:block;width:100%;height:auto;min-width:500px}.lab-table{overflow-x:auto;margin:18px 0}.lab-table table{width:100%;border-collapse:collapse;font-size:13px;min-width:620px}.lab-table caption{text-align:left;font-weight:750;margin-bottom:12px}.lab-table th,.lab-table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line,#c4d5e1);max-width:230px;overflow-wrap:anywhere}.lab-remove{border:1px solid #839bad;background:var(--paper,#fff);color:var(--ink,#102640);border-radius:7px;padding:8px}.lab-platform [role=status]{font-size:13px;line-height:1.6;min-height:1.6em}.lab-choice{display:flex;gap:12px;align-items:flex-start;padding:12px 0;font-size:15px;cursor:pointer}.lab-choice input{width:20px;height:20px;flex:0 0 20px}.lab-platform fieldset{border:0;padding:0}.lab-platform legend{font-weight:700;padding:16px 0}.lab-file{position:relative;overflow:hidden;padding:10px 15px;border-radius:8px;font-weight:650;display:inline-flex;align-items:center;cursor:pointer}.lab-file input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%}.lab-file:focus-within{outline:3px solid #008476;outline-offset:3px}#simulation-slot iframe{display:block;width:100%;height:480px;min-height:360px;border:1px solid #bdcddd;border-radius:10px;background:#fff}.lab-lever{display:block;background:#fff;border-radius:10px;width:100%;height:auto}.lab-apparatus.lab-expanded{position:relative;top:auto;grid-column:1/-1;max-height:none}.lab-apparatus.lab-expanded iframe{height:70vh}.lab-workspace:has(.lab-expanded){grid-template-columns:1fr}.lab-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.lab-card{border:1px solid var(--line,#c4d5e1);border-radius:16px;overflow:hidden;background:var(--paper,#fff)}.lab-card[hidden]{display:none}.lab-card img{width:100%;height:160px;object-fit:cover}.lab-card>div{padding:24px}.lab-card h2{font-size:23px}.lab-card p{line-height:1.7}.lab-filter{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.lab-discovery{margin:24px 0}section[id],#workspace{scroll-margin-top:105px}
@media(max-width:1000px){.lab-workspace{grid-template-columns:1fr}.lab-apparatus{position:static;max-height:none}.lab-cards{grid-template-columns:1fr 1fr}.lab-filter{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.lab-platform .immersive-heading{padding:26px 20px}.lab-panel{padding:20px}.lab-cards,.lab-fields,.lab-filter{grid-template-columns:1fr}.lab-jumps{gap:8px}.lab-jumps a{font-size:12px;padding:8px 10px}.lab-savebar{display:block}.lab-savebar span{display:block;margin:5px 0}.lab-actions>*{width:100%;text-align:center;justify-content:center}.lab-platform .lab-actions label{margin:0!important}.lab-table{margin-left:-6px;margin-right:-6px}.lab-chart{margin-left:-6px;margin-right:-6px}#simulation-slot iframe{height:430px}.lab-card img{height:180px}}
@media print{.site-header,.site-footer,.bottom-nav,.lab-jumps,.lab-actions,.lab-review,.lab-savebar{display:none!important}.lab-workspace{display:block}.lab-apparatus{position:static;max-height:none}.lab-panel{border:0;padding:12px 0}.lab-chart svg{min-width:0}.lab-table table{min-width:0;font-size:10px}}

.lab-platform .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;line-height:1.6}.lab-platform .breadcrumb a{overflow-wrap:anywhere}


.lab-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:28px;align-items:start}.lab-layout .lab-platform,.lab-content{min-width:0;width:100%}.lab-layout .lab-content{max-width:none}.lab-layout .lab-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-layout .lab-card:last-child{grid-column:1/-1}.density-model svg{display:block;width:100%;height:auto}.lab-discovery{text-align:center;margin:20px 0;padding:12px 18px;border-radius:12px;background:var(--paper,#fff);border:1px solid var(--line,#c4d5e1)}.lab-discovery p{margin:0}.lab-content>.advertising-break{margin:30px 0}.lab-layout .advertising-break .ad-preview{display:grid;place-content:center;min-height:90px;text-align:center;border:1px dashed #9aacbb;background:var(--paper,#fff);color:var(--muted,#526679)}
@media(max-width:1250px){.lab-layout .lab-workspace{grid-template-columns:1fr}.lab-layout .lab-apparatus{position:static;max-height:none}}
@media(max-width:1100px){.lab-layout{grid-template-columns:1fr}.lab-layout>.subject-rail{display:none}}
@media(max-width:640px){.lab-layout .lab-cards{grid-template-columns:1fr}.lab-layout .lab-card:last-child{grid-column:auto}}
@media print{.lab-layout{display:block}.lab-layout>.subject-rail,.advertising-break{display:none!important}}