/* Shared by the original simulations and textbook labs. */
.shared-playback { display:grid; grid-template-columns:40px 40px minmax(72px,1fr) 40px 40px; gap:6px; }
.shared-playback button { min-width:0; min-height:44px; padding:8px 4px; font-size:14px; }
.playback-state { font-size:12px; margin:10px 0; color:var(--muted); font-variant-numeric:tabular-nums; }
.playback-speed { display:flex; align-items:center; gap:12px; font-size:12px; color:var(--muted); }
.playback-speed input { width:100%; min-width:0; accent-color:var(--text); }