.physics-lab{--lab-ink:#1d2d35;--lab-teal:#087e83;--lab-muted:#60747c;color:var(--lab-ink);font-family:inherit}.lab-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.lab-eyebrow{font-size:11px;font-weight:800;letter-spacing:.17em;color:var(--lab-teal)}.lab-heading h3{font-size:clamp(22px,2.4vw,31px);font-weight:650;line-height:1.2;letter-spacing:-.045em;margin:8px 0 0}.lab-state{border:1px solid #cfdad5;background:#eef5ed;color:#47603f;border-radius:30px;padding:7px 12px;font-size:11px;font-weight:700;white-space:nowrap}.lab-state.is-changed{background:#fff1e8;color:#965130;border-color:#eccab2}.lab-intro{color:var(--lab-muted);font-size:14px;line-height:1.65;margin:14px 0 22px;max-width:720px}.lab-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;border:1px solid #dce4df;border-radius:20px;overflow:hidden;background:#fff}.lab-visual{min-width:0;background:#142f39;color:#f7fbfa;display:flex;flex-direction:column}.lab-plot-toolbar{display:flex;align-items:center;justify-content:space-between;padding:20px 22px 2px;min-height:30px;gap:10px}.lab-live-dot{font-size:10px;font-weight:700;letter-spacing:.15em;color:#abc5cc;display:flex;align-items:center;gap:8px}.lab-live-dot:before{content:'';width:6px;height:6px;border-radius:50%;background:#d8ef96}.lab-guides{display:flex;gap:7px;align-items:center;font-size:11px;color:#bbced0;cursor:pointer;white-space:nowrap}.lab-guides input{accent-color:#72e7e3;width:14px;height:14px;margin:0}.lab-svg{width:100%;height:auto;display:block;min-height:240px;flex:1;font-family:inherit;overflow:visible}.lab-caption{font-size:11px;color:#b9cfd2;text-align:center;padding:2px 20px 14px;min-height:25px;line-height:1.6}.lab-playback{display:flex;align-items:center;gap:10px;border-top:1px solid #2c4851;padding:14px 18px}.lab-playback button{font:inherit;font-size:12px;font-weight:700;white-space:nowrap;border:0;background:#2c4750;color:#e9f5f4;border-radius:9px;padding:9px 11px;cursor:pointer}.lab-playback button[data-play]{background:#d8ef96;color:#223c36;min-width:76px}.lab-playback button:hover{filter:brightness(1.12)}.lab-scrubber{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.lab-scrubber input{width:100%;min-width:30px;accent-color:#d8ef96;height:5px;cursor:pointer}.lab-scrubber output{font-size:10px;font-variant-numeric:tabular-nums;white-space:nowrap;color:#bfced2;min-width:62px;text-align:right}.lab-frame{display:flex;gap:4px;padding:3px;border-radius:8px;background:#0c222a}.lab-frame button{border:0;background:transparent;color:#abc5cc;padding:6px 9px;border-radius:5px;font:inherit;font-size:10px;cursor:pointer}.lab-frame button[aria-pressed=true]{background:#d8ef96;color:#213a35;font-weight:700}.lab-control-panel{padding:22px 20px;display:flex;flex-direction:column;justify-content:center;gap:19px;background:#fcfdfa}.lab-control-title{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:10px;letter-spacing:.1em;font-weight:800;color:#65786d;margin-bottom:4px}.lab-control-title button{border:0;background:transparent;padding:0;color:var(--lab-teal);font:inherit;font-size:10px;font-weight:700;text-decoration:underline;text-underline-offset:3px;letter-spacing:normal;cursor:pointer}.lab-control{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}.lab-control>label{font-size:12px;font-weight:600;line-height:1.5}.lab-control-value{display:flex;align-items:baseline;gap:3px;justify-content:flex-end}.lab-control-value input{width:65px;border:1px solid #dce5df;border-radius:6px;padding:5px 4px;text-align:right;color:var(--lab-teal);background:white;font:inherit;font-size:14px;font-weight:750;font-variant-numeric:tabular-nums;appearance:textfield;-moz-appearance:textfield}.lab-control-value input::-webkit-inner-spin-button,.lab-control-value input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.lab-control-value span{font-size:10px;color:#65776b}.lab-control>input[type=range]{grid-column:1/-1;width:100%;height:5px;accent-color:#087e83;cursor:pointer;margin:6px 0 0}.lab-range-ends{grid-column:1/-1;display:flex;justify-content:space-between;color:#617369;font-size:9px;margin-top:-3px}.lab-control-hint{font-size:11px;line-height:1.65;color:#76867d;margin:0;padding-top:4px}.lab-metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(135px,1fr));gap:10px;margin:14px 0}.lab-metric{padding:17px 16px;background:#f1f4ef;border:1px solid #e1e7df;border-radius:12px;min-width:0}.lab-metric>span{display:block;color:#60736b;font-size:10px;font-weight:700;line-height:1.5}.lab-metric strong{display:block;font-size:clamp(19px,2.3vw,26px);line-height:1.2;font-weight:650;letter-spacing:-.03em;margin-top:8px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.lab-metric small{display:block;font-size:10px;color:#60736b;line-height:1.5;margin-top:4px}.lab-metric-accent{background:#e6f0e9;border-color:#d4e1d5}.lab-metric-accent strong{color:#087e83}.lab-formula{border:1px solid #dce5df;background:#fff;border-radius:12px;padding:15px 18px;display:flex;gap:18px;align-items:center}.lab-formula>span{color:#688277;font-size:9px;font-weight:800;letter-spacing:.1em;white-space:nowrap}.lab-formula p{font-size:12px;line-height:1.8;color:#345347;margin:0;font-variant-numeric:tabular-nums}.lab-footnote{font-size:11px;line-height:1.65;color:#6c7c74;margin:12px 2px 0;max-width:850px}.physics-lab button:focus-visible,.physics-lab input:focus-visible{outline:3px solid #ef7e49;outline-offset:3px}.physics-lab .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.physics-lab [hidden]{display:none!important}@media(max-width:1050px){.lab-layout{grid-template-columns:minmax(0,1fr) 225px}.lab-control-panel{padding:20px 15px}.lab-control{grid-template-columns:1fr}.lab-control-value{position:relative;justify-content:flex-start}.lab-control>label{font-size:11px}.lab-control-panel{gap:14px}.lab-scrubber output{display:none}}@media(max-width:740px){.lab-layout{grid-template-columns:1fr}.lab-control-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:20px}.lab-control-title,.lab-control-hint{grid-column:1/-1}.lab-control{display:grid;grid-template-columns:1fr}.lab-control-value{justify-content:flex-start}.lab-svg{min-height:200px}.lab-heading{align-items:flex-start;gap:10px}.lab-state{font-size:9px;padding:6px 9px}.lab-heading h3{font-size:24px}.lab-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.lab-metric{padding:14px}.lab-formula{display:block}.lab-formula p{margin-top:6px;font-size:11px}.lab-playback{gap:7px;padding:12px}.lab-playback button{font-size:11px;padding:8px}.lab-plot-toolbar{padding:17px 15px 0}.lab-caption{font-size:10px}.lab-frame button{font-size:9px;padding:6px}.lab-guides{font-size:10px}}@media(prefers-reduced-motion:reduce){.physics-lab *{scroll-behavior:auto!important;transition:none!important}}
