.timing-lab{margin:1rem 0;border:1px solid #cbd5e1;border-radius:12px;background:#fff;color:#1e293b;overflow:hidden}
.timing-lab summary{min-height:48px;display:list-item;padding:.85rem 1rem;cursor:pointer;font-weight:700}
.timing-lab .lab-body{padding:0 1rem 1rem}
.timing-lab p{font-size:.85rem;line-height:1.5;margin:.5rem 0}
.timing-lab .lab-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem}
.timing-lab label{display:block;font-size:.8rem;font-weight:700;min-width:0}
.timing-lab select,.timing-lab input{display:block;width:100%;min-width:0;min-height:44px;margin-top:.3rem;font:inherit}
.timing-lab select{padding:.4rem;border:1px solid #94a3b8;border-radius:6px;background:#fff;color:#1e293b}
.timing-lab svg{display:block;width:180px;max-width:100%;height:auto;margin:.5rem auto;background:#0f172a;border-radius:10px}
.timing-lab [data-color-label]{font:700 11px system-ui;fill:#fff;stroke:#0f172a;stroke-width:2.5px;paint-order:stroke;dominant-baseline:middle;text-anchor:middle}
.timing-lab .lab-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;margin:.6rem 0}
.timing-lab button{min-height:44px;white-space:normal;padding:.55rem .5rem;font-size:.8rem;line-height:1.35}
.timing-lab .lab-secondary{background:#334155}
.timing-lab #lab-result{padding:.6rem;border-left:3px solid #f59e0b;background:#fffbeb;min-height:3.5rem}
.timing-lab :focus-visible{outline:3px solid #d97706;outline-offset:3px}
.timing-lab #lab-close{width:100%;margin-top:.5rem}