.reason-lab{min-width:0}.reason-lab .sim4-body{display:grid;gap:16px;padding-top:18px}.reason-lab p{margin:0;line-height:1.7;font-size:14px;color:var(--text2)}.reason-lab .reason-intro{font-size:15px;color:var(--text)}.reason-controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(190px,100%),1fr));gap:12px}.reason-lab label{display:grid;gap:6px;font-size:13px;line-height:1.5;color:var(--text2);min-width:0}.reason-lab input,.reason-lab select{width:100%;min-width:0;padding:10px;border:1px solid var(--border2);border-radius:10px;background:var(--surface2);color:var(--text);font:inherit;min-height:44px}.reason-lab button{min-height:44px;border:1px solid var(--border2);border-radius:10px;background:var(--surface2);color:var(--text);padding:10px 14px;font:600 13px var(--font-display),sans-serif;cursor:pointer}.reason-lab button:disabled{opacity:.5;cursor:default}.reason-lab button:hover:not(:disabled),.reason-lab button[aria-pressed=true]{border-color:var(--cyan);color:var(--cyan-ink)}.reason-lab :is(button,input,select,summary):focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.reason-navigation{display:flex;flex-wrap:wrap;gap:8px}.reason-predict{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px;border:1px solid var(--border2);border-radius:14px;background:var(--surface2)}.reason-predict strong{grid-column:1/-1}.reason-lab .reason-feedback{min-height:28px;color:var(--text);font-weight:650}.reason-formula{padding:14px;background:var(--surface2);border-left:3px solid var(--cyan);overflow-wrap:anywhere;font-family:var(--font-mono),monospace}.reason-table{overflow-x:auto;min-width:0}.reason-table table{width:100%;border-collapse:collapse;font-size:13px;font-variant-numeric:tabular-nums}.reason-table :is(th,td){text-align:right;padding:10px;border-bottom:1px solid var(--border)}.reason-table th:first-child{text-align:left}.reason-table caption{text-align:left;padding-bottom:8px;color:var(--text2);line-height:1.6}.reason-deep{padding:16px;border:1px solid var(--border2);border-radius:12px}.reason-deep summary{cursor:pointer;min-height:32px;font-weight:650}.reason-deep p{margin:12px 0}.reason-deep a{color:var(--cyan-ink);overflow-wrap:anywhere}.reason-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:3}.reason-labels span{position:absolute;transform:translate(-50%,-50%);font:600 12px var(--font-display),sans-serif;line-height:1.3;padding:3px 6px;border-radius:6px;background:var(--surface);color:var(--text);border:1px solid var(--border2);white-space:nowrap}.reason-labels span[hidden]{display:none}.reason-lab .viewport.vp-3d{min-height:390px}@media(max-width:560px){.reason-predict{grid-template-columns:1fr}.reason-lab .reason-navigation button{flex:1 1 130px}.reason-table :is(th,td){padding:8px 5px;font-size:12px}}
.reason-labels span:empty{display:none}