:root{--ink:#17252b;--muted:#475b62;--paper:#f6f7f5;--card:#fff;--line:#cfd8d5;--green:#145e59;--blue:#174ac4}*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-variant-numeric:tabular-nums}a{color:var(--green);text-underline-offset:4px}header{padding:24px max(24px,4vw);display:flex;align-items:center;justify-content:space-between;gap:24px;background:white;border-bottom:1px solid var(--line)}.brand{font-size:23px;font-weight:700;text-decoration:none;color:var(--ink)}.brand span{display:block;font-size:14px;font-weight:400;color:var(--muted)}nav{display:flex;gap:24px;flex-wrap:wrap}nav a{min-height:44px;display:flex;align-items:center}main{max-width:1168px;margin:auto;padding:0 24px}section{min-width:0}main>section{padding:48px 0;scroll-margin-top:16px}.hero{max-width:820px;padding:70px 0 54px}h1{font-size:clamp(34px,5vw,56px);line-height:1.12;letter-spacing:-.025em;margin:16px 0 24px}h2{font-size:32px;line-height:1.2;margin:8px 0 24px}h3{font-size:20px;line-height:1.4;margin:8px 0 16px}h4{font-size:18px;margin:0 0 8px}.hero-copy{font-size:20px;line-height:1.6;margin-bottom:28px}.eyebrow{color:var(--muted);font-size:14px;font-weight:600}.hint{color:var(--muted);font-size:14px}.button,button{font:inherit;display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:44px;padding:10px 18px;border:1px solid var(--line);border-radius:6px;cursor:pointer;font-weight:600}.button{text-decoration:none}.primary{background:var(--green);color:white;border-color:var(--green)}.secondary{background:white;color:var(--green);margin-top:16px}.card{border:1px solid var(--line);border-radius:8px;padding:24px;background:var(--card)}.overview{margin:32px 0}.totals{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:24px 0 8px}.totals span,.totals strong{display:block}.totals span{color:var(--muted)}.totals strong{font-size:28px;margin-top:4px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:24px}.change{display:block;text-align:left;width:100%;padding:16px;margin:16px 0;background:white;color:var(--ink)}.change span,.change strong{display:block}.change strong{font-size:22px;margin:4px 0}.change.selected{border:2px solid var(--green);padding:15px;background:#ecf3f1}.sources{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.source{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:16px;min-width:0}.source p{font-size:14px}.source dl{margin:16px 0}.source dt{font-size:14px;color:var(--muted);margin-top:8px}.source dd{margin:0;font-weight:600}.source dd.active{background:#dcebe7;outline:1px solid var(--green);padding:2px 6px}.source pre{font:13px/1.6 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;max-height:320px;overflow-y:auto}details{margin:20px 0}summary{font-weight:600;cursor:pointer;min-height:44px;display:list-item;padding:8px 0}label{display:block;margin:16px 0 6px}input,select,textarea{font:inherit;color:var(--ink);background:white;border:1px solid #82948c;border-radius:4px;padding:10px;max-width:100%}select,textarea{width:100%}textarea{resize:vertical}form button{margin-top:12px}.check{display:flex;gap:12px;align-items:flex-start}.check input{flex:0 0 20px;height:20px;margin-top:4px}#result{background:#ecf3f1;border-left:4px solid var(--green);padding:16px;white-space:pre-wrap;overflow-wrap:anywhere}.limits{display:grid;grid-template-columns:1fr 1fr;gap:40px}.contact{margin:24px 0 64px;max-width:820px;padding:32px}footer{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;padding:24px;border-top:1px solid var(--line);font-size:14px}footer a{min-height:44px;display:inline-flex;align-items:center}p,dd,a,button{overflow-wrap:anywhere}:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.skip-link{position:absolute;left:24px;top:-120px;z-index:10;background:white;padding:12px}.skip-link:focus{top:8px}[tabindex="-1"]:focus{outline:3px solid var(--blue);outline-offset:4px}@media(max-width:760px){header{align-items:flex-start;flex-direction:column;padding:20px 16px;gap:12px}nav{gap:16px}main{padding:0 16px}main>section{padding:32px 0}.hero-copy{font-size:18px}.workspace,.sources,.totals,.limits{grid-template-columns:1fr;gap:16px}.totals div{display:flex;justify-content:space-between;gap:12px;align-items:baseline}.totals strong{font-size:24px}.card{padding:16px}h2{font-size:28px}.contact{padding:24px 16px;margin-bottom:32px}footer{padding:16px;gap:16px;justify-content:flex-start}}
.hero-example{margin:24px 0;padding:18px 20px;background:#eaf2ef;border-left:4px solid var(--green);border-radius:4px}.hero-example p{margin:0 0 8px}.hero-example p:last-child{margin-bottom:0}