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/* Read-aloud is opt-in; comparisons use results from real physics functions. */
.scene-heading-tools{display:flex;gap:7px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
.listen-physics{min-height:37px;border:1px solid #a4d8be;background:#eefaf1;color:#176c53;border-radius:9px;padding:8px 11px;font-weight:840;font-size:11px}
.listen-physics:hover{background:#dff4e7}
.gravity-select{display:block;width:100%;min-height:46px;border:1px solid #cce0d2;border-radius:10px;background:white;color:#1d5648;font-size:12px;padding:9px 10px}
.comparison-strip{display:flex;align-items:center;gap:12px;padding:0 16px 16px}
.comparison-strip button{flex:none;min-height:39px;background:#e5f4e9;border:1px solid #a9d8bc;color:#156b51;border-radius:10px;font-size:11px;font-weight:850;padding:9px 12px}
.comparison-strip p{font-size:11px;color:#587566;margin:0;line-height:1.5}
@media(max-width:580px){
 .scene-heading-tools{gap:5px;max-width:140px}
 .listen-physics{min-height:34px;padding:6px 8px;font-size:10px}
 .comparison-strip{display:block;padding:0 10px 12px}
 .comparison-strip p{margin-top:7px;font-size:10px}
}