.speed-lab{margin-top:1rem;text-align:left;min-width:0}
.speed-lab button{min-width:44px;min-height:44px;border:1px solid #cbd5e1;border-radius:8px;padding:.6rem .65rem;background:#fff;color:#0f172a;font:inherit;font-size:.85rem;font-weight:700;cursor:pointer;touch-action:manipulation}
.speed-lab button:focus-visible{outline:3px solid #0f172a;outline-offset:2px}
.speed-lab button:disabled{opacity:.55;cursor:default}
.speed-lab__open{width:100%}
.speed-lab__panel{margin-top:.75rem;padding:.75rem;background:#f8fafc;border:1px solid #cbd5e1;border-radius:12px}
.speed-lab__panel[hidden]{display:none}
.speed-lab__panel h3{font-size:1rem;margin-bottom:.5rem}
.speed-start-card .speed-lab p{margin:.5rem 0;font-size:.85rem;line-height:1.5;color:#334155}
.speed-lab__symbols{display:flex;justify-content:center;align-items:center;gap:.75rem;margin:.75rem 0}
.speed-lab__symbols span{display:inline-flex;align-items:center;justify-content:center;width:72px;height:72px;flex-shrink:0;font-size:3rem;border:1px solid #cbd5e1;background:#fff;border-radius:8px}
.speed-lab__choices{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
.speed-lab__choices button{overflow-wrap:anywhere}
.speed-lab__next{width:100%;margin-top:.5rem}
.speed-lab__next[hidden]{display:none}
.speed-lab__actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}
.speed-lab__actions button{flex:1 1 100px}