.orbital-lab .lab-grid { grid-template-columns:240px minmax(0,1fr) 300px; }
.orbital-lab h2 { font-size:16px; }
.orbital-lab .page-heading p,.orbital-lab details p { font-size:16px; line-height:1.55; }
.orbital-lab .microcopy,.orbital-lab .secondary,.orbital-lab .edit-note,.orbital-lab .scene-options,.orbital-lab .preset,.orbital-lab .input-error { font-size:14px; color:#62677c; line-height:1.5; }
.orbital-lab .preset-row { margin-bottom:10px; }
.preset-description { font-size:14px; color:#62677c; margin:0 0 20px; line-height:1.5; }
.orbital-lab .control>label { max-width:none; padding:0 0 9px; }
.orbital-lab .input-value { position:static; width:100%; height:34px; gap:6px; }
.orbital-lab .input-value input { min-width:0; width:100%; }
.orbital-lab .input-value span { font-size:14px; flex-shrink:0; }
.orbital-lab .control { margin-top:20px; }
.orbital-lab .controls-card { display:block; }
.speed-shortcuts { display:flex; gap:8px; flex-wrap:wrap; }
.speed-shortcuts button { font-size:14px; padding:8px; height:auto; }
.orbital-lab .scene-options { flex-wrap:wrap; gap:10px 14px; }
.orbital-lab input[type=checkbox] { width:16px; height:16px; accent-color:var(--purple); }
#orbital-scene { display:block; width:100%; background:#f9faff; }
#launch-control { cursor:grab; touch-action:none; }
#launch-control:focus-visible { outline:none; }
#launch-control:focus-visible circle:not(.hit-target) { stroke:#2b214f; stroke-width:4px; }
.orbital-lab .transport { flex-wrap:wrap; gap:10px; }
.orbital-lab .transport select { width:75px; }
.orbital-lab .transport label,.orbital-lab .step-button,.orbital-lab .primary-button { font-size:14px; }
.orbital-lab .primary-button { min-width:85px; }
.scene-note { padding:8px 20px; margin:0; font-size:14px; line-height:1.5; color:#62677c; }
.legend { display:flex; flex-wrap:wrap; gap:8px 14px; }
.velocity-text { color:#246aa1; }.gravity-text,.trail-text { color:#6852db; }.acceleration-text { color:#ab551d; }.component-text { color:#237760; }.prediction-text { color:#6d7f9c; }
.orbital-lab .metrics { grid-template-columns:repeat(3,minmax(0,1fr)); gap:18px 0; }
.orbital-lab .metrics>div>span { font-size:12px; letter-spacing:0; }
.orbital-lab .metrics strong { font-size:18px; overflow-wrap:anywhere; }
.orbital-graphs { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px; }
.orbital-graphs figure { margin:0; min-width:0; }
.orbital-graphs figcaption { font-size:14px; line-height:1.5; min-height:42px; }
.orbital-graphs svg { display:block; width:100%; min-width:300px; }
.graph-scroll { overflow-x:auto; }
.orbit-shape { font-size:24px; color:var(--purple); font-weight:650; margin:16px 0 8px; }
.orbit-properties { font-size:14px; margin:16px 0; }
.orbit-properties div { padding:8px 0; border-bottom:1px solid var(--line); }
.orbit-properties dt { color:#62677c; }.orbit-properties dd { margin:4px 0 0; font-weight:600; overflow-wrap:anywhere; }
.equation { padding-top:15px; margin-top:15px; border-top:1px solid var(--line); }
.equation-label { font-size:14px; font-weight:600; }
.orbital-lab .formula { line-height:1.65; margin:8px 0; overflow-wrap:anywhere; }
.substitution { font-size:14px; line-height:1.65; overflow-wrap:anywhere; font-variant-numeric:tabular-nums; }
.orbital-lab details { border-top:1px solid var(--line); padding-top:12px; margin-top:12px; }
.orbital-lab summary { cursor:pointer; font-size:14px; line-height:1.5; font-weight:550; }
.orbital-lab .challenge-card p,.orbital-lab .challenge-card>button { font-size:14px; line-height:1.5; }
#challenge-feedback.success { color:#22684e; font-weight:650; }#challenge-feedback.miss { color:#924424; }
.orbital-lab .insights-column,.orbital-lab .experiment-column,.orbital-lab .lab-grid>* { min-width:0; }
@media(max-width:1350px) {
  .orbital-lab .lab-grid { grid-template-columns:230px minmax(0,1fr); }
  .orbital-lab .insights-column { grid-column:1/-1; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); align-items:start; }
}
@media(max-width:850px) { .orbital-graphs { grid-template-columns:1fr; } }
@media(max-width:700px) {
  .orbital-lab .lab-grid,.orbital-lab .insights-column { display:flex; flex-direction:column; }
  .orbital-lab .experiment-column { order:-1; }
  .orbital-lab .lab-grid>*,.orbital-lab .insights-column>section { width:100%; }
  .orbital-lab .lab-nav a { font-size:14px; }
  .orbital-lab .metrics { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .orbital-lab .transport label { margin-left:auto; }
  #orbital-scene .scene-label { font-size:34px; }
  #orbital-scene .vector-label { font-size:40px; }
}