.lab-app{width:min(1180px,100%);min-width:0;margin:0 auto}.lab-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,.5fr);gap:18px;align-items:start;min-width:0}.lab-panel{min-width:0;padding:18px;border:1px solid var(--ss-line);border-radius:18px;background:var(--ss-surface);box-shadow:0 9px 28px rgba(0,0,0,.12)}.lab-canvas{display:block;width:100%;max-width:100%;min-width:0;height:auto;background:#07111f;border:1px solid var(--ss-line);border-radius:13px}.lab-controls{display:grid;gap:16px}.lab-control label{display:flex;justify-content:space-between;gap:14px;margin-bottom:7px;color:var(--ss-muted);font-size:.87rem;font-weight:750}.lab-control output{color:var(--ss-accent);font-variant-numeric:tabular-nums}.lab-control input[type=range],.lab-control select{width:100%}.lab-control select{min-height:42px;padding:0 10px;background:var(--ss-bg);color:var(--ss-text)}.lab-readouts{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:16px}.lab-reading{padding:11px;border:1px solid var(--ss-line);border-radius:10px;background:var(--ss-bg-soft)}.lab-reading span{display:block;color:var(--ss-muted);font-size:.71rem;font-weight:850;letter-spacing:.05em;text-transform:uppercase}.lab-reading strong{display:block;margin-top:4px;color:var(--ss-text);font-size:1.05rem;font-variant-numeric:tabular-nums}.lab-equation{margin-top:14px;padding:14px;border-left:3px solid var(--ss-accent);border-radius:9px;background:rgba(var(--ss-accent-rgb),.08);color:var(--ss-muted);font-size:.88rem}.lab-equation strong{color:var(--ss-text)}.lab-prompt{margin:14px 0 0;color:var(--ss-muted);font-size:.86rem}.lab-legend{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px;color:var(--ss-muted);font-size:.76rem}.lab-legend span::before{content:"";display:inline-block;width:9px;height:9px;margin-right:6px;border-radius:50%;background:var(--dot,var(--ss-accent))}.lab-control[data-min-level=gcse],.lab-control[data-min-level=advanced],.lab-reading[data-min-level=gcse],.lab-reading[data-min-level=advanced]{display:none}body[data-level=gcse] [data-min-level=gcse],body[data-level=advanced] [data-min-level=gcse],body[data-level=advanced] [data-min-level=advanced]{display:block}@media(max-width:850px){.lab-layout{grid-template-columns:minmax(0,1fr)}.lab-controls{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-equation,.lab-prompt{grid-column:1/-1}}@media(max-width:580px){.lab-controls{grid-template-columns:minmax(0,1fr)}.lab-readouts{grid-template-columns:repeat(2,minmax(0,1fr))}}