.light-demo{margin-top:15px}.light-options{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.light-options button{min-height:44px;border:1px solid var(--line);border-radius:8px;background:var(--surface2);color:var(--text);padding:9px 12px;font-size:14px;line-height:1.5;font-weight:600}.light-options button:hover,.light-options button[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}.light-demo :focus-visible{outline:2px solid var(--accent);outline-offset:3px}.light-panel[hidden],.light-demo [hidden]{display:none}.light-svg{display:block;width:100%;height:auto;overflow:hidden;touch-action:pan-y;background:var(--surface2);border-radius:9px}.light-slider{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2px 10px;margin:12px 0;font-size:14px;font-weight:700;color:var(--text)}.light-slider input{grid-column:1/-1;width:100%;min-width:0;min-height:44px;margin:0;accent-color:var(--accent);touch-action:pan-y}.light-slider output{color:var(--accent);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.light-legend,.light-mini{font-size:13px;line-height:1.8;margin:10px 0;color:var(--muted)}.light-result{color:var(--text);font-size:15px;line-height:1.8;padding:13px 14px;border-radius:9px;background:var(--surface2);margin:15px 0 8px;min-height:65px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.light-note{display:block;font-size:12px;line-height:1.8;color:var(--soft)}.light-scale,.light-media{display:flex;justify-content:space-between;gap:12px;color:var(--soft);font-size:12px;line-height:1.7;margin:8px 0 16px}.light-scale span:nth-child(2){color:var(--accent);text-align:center}.light-reflect-readout{font-size:13px;line-height:1.8;color:var(--muted);margin:10px 0}.light-sky-swatches{display:grid;grid-template-columns:1fr 1fr;gap:12px}.light-sky-swatches span{display:block;color:var(--muted);font-size:13px;line-height:1.6;min-height:42px}.light-sky-swatches b{display:block;height:85px;border-radius:9px;border:1px solid var(--line)}.light-channel-bars{margin:20px 0}.light-channel-bars>div{display:grid;grid-template-columns:82px minmax(0,1fr) 51px;align-items:center;gap:8px;min-height:36px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}.light-channel-bars b{height:8px;background:var(--line);border-radius:8px;overflow:hidden}.light-channel-bars i{display:block;height:100%;border-radius:8px}.light-article .physics-equation{font-size:clamp(16px,2.5vw,25px)}
@media(max-width:520px){.light-options button{flex-grow:1}.light-slider{grid-template-columns:minmax(0,1fr)}.light-slider output{grid-row:2}.light-slider input{grid-row:3}.light-scale{flex-wrap:wrap}.light-scale span:nth-child(2){order:3;flex-basis:100%;text-align:left}.light-sky-swatches span{font-size:12px}.light-channel-bars>div{font-size:12px;grid-template-columns:75px minmax(0,1fr) 45px}.light-legend,.light-mini{font-size:12px}}