:root{color-scheme:light;--ink:#17324a;--muted:#5a6b78;--line:#bacbd2;--paper:#f7fafb;--target:#cc592c;--chosen:#167184;--opt:#397c49;--accent:#154c6a}*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font:15px/1.45 Arial,Helvetica,sans-serif}button,input,select{font:inherit}button{cursor:pointer}a{color:#075780}.app{max-width:1440px;margin:0 auto;padding:20px clamp(14px,3vw,42px) 40px}.masthead{display:flex;align-items:end;justify-content:space-between;gap:24px;border-bottom:3px solid var(--ink);padding:4px 0 22px}.eyebrow{font-size:12px;font-weight:700;text-transform:uppercase;color:var(--chosen);margin:0 0 5px}h1{font-size:clamp(25px,3vw,36px);line-height:1.1;margin:0}h2{font-size:18px;line-height:1.2;margin:0}.lede{margin:8px 0 0;color:var(--muted)}.article-link{white-space:nowrap;font-weight:700}.workspace{display:grid;grid-template-columns:minmax(220px,280px) minmax(0,1fr);border-bottom:1px solid var(--line)}.controls{padding:24px 22px 24px 0;border-right:1px solid var(--line)}.controls h2{margin-bottom:24px}.control{margin-bottom:24px}.control label,.time-label{display:flex;justify-content:space-between;gap:10px;font-weight:700}.control output,.time-label output{color:var(--accent);white-space:nowrap;font-variant-numeric:tabular-nums}.control input[type=range],#time{width:100%;accent-color:var(--chosen);margin:11px 0 4px}.limits{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.actions{display:flex;gap:8px;margin:6px 0 18px}.actions button{background:var(--accent);color:white;border:1px solid var(--accent);min-width:82px;min-height:36px}.actions .secondary{color:var(--accent);background:white}.actions button:hover,.actions button:focus-visible{box-shadow:0 0 0 2px #9dced6}.preset{margin-top:22px}.preset label{display:block;font-weight:700;margin-bottom:6px}.preset select{width:100%;max-width:100%;padding:6px;background:white;border:1px solid var(--line)}.scene{min-width:0;padding:23px 0 22px 26px}.scene-heading{display:flex;justify-content:space-between;gap:18px;align-items:baseline}.scene-heading p{color:var(--muted);margin:0}.legend{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:13px;margin:13px 0 0}.swatch{display:inline-block;vertical-align:middle;width:19px;height:3px;margin-right:5px;background:var(--chosen)}.swatch.target{background:var(--target)}.swatch.optimum{background:var(--opt)}canvas{display:block;width:100%;height:280px}.track-title{font-size:12px;font-weight:700;text-transform:uppercase;color:var(--muted);margin-top:10px}#track{height:90px}.analysis{padding:22px 0 24px;border-bottom:1px solid var(--line)}.analysis-heading{display:flex;justify-content:space-between;gap:20px;align-items:baseline}.analysis-heading p{margin:4px 0 0;color:var(--muted)}.analysis-heading .equation{font-size:16px;color:var(--ink);font-weight:700;white-space:nowrap}#effort{height:230px}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.metrics div{padding:12px 14px;border-right:1px solid var(--line)}.metrics div:first-child{padding-left:0}.metrics div:last-child{border:0}.metrics span{display:block;font-size:12px;color:var(--muted)}.metrics strong{display:block;font-size:19px;font-variant-numeric:tabular-nums;margin-top:3px}.comparison{color:var(--muted);margin:13px 0 0}footer{padding-top:20px;color:var(--muted);font-size:13px}footer p{margin:0 0 10px}.text-button{padding:0;border:0;background:none;color:#075780;text-decoration:underline;font-size:inherit}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media(max-width:750px){.masthead{display:block}.article-link{display:inline-block;margin-top:12px}.workspace{display:block}.controls{border-right:0;border-bottom:1px solid var(--line);padding:18px 0}.controls h2{margin-bottom:14px}.scene{padding:18px 0}.scene-heading{display:block}.scene-heading p{margin-top:5px}.analysis-heading{display:block}.analysis-heading .equation{margin-top:8px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.metrics div:nth-child(2){border-right:0}.metrics div:nth-child(-n+2){border-bottom:1px solid var(--line)}}@media(max-width:380px){.legend{gap:5px 10px}.metrics strong{font-size:16px}}
