:root{--ink:#233d35;--muted:#5d6e65;--line:#d5ddd5;--paper:#f6f3ec}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 Arial,sans-serif}header{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:20px 5vw;border-bottom:1px solid var(--line)}header img{display:block;height:auto}nav{display:flex;flex-wrap:wrap;gap:24px}a{color:inherit}nav a{text-decoration:none;font-size:14px}nav [aria-current]{border-bottom:1px solid}main{max-width:1280px;padding:48px 24px;margin:auto}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted)}h1{font:normal clamp(36px,5vw,64px)/1.12 Georgia,serif;margin:20px 0}h2{font:normal 34px/1.2 Georgia,serif;margin:8px 0 20px}.lead{max-width:640px;color:var(--muted)}.layout{display:grid;grid-template-columns:280px 1fr;gap:32px;margin-top:44px}aside{align-self:start;position:sticky;top:20px}label .count{font-weight:normal;color:var(--muted);font-size:12px}#calculator{background:white;border:1px solid var(--line);border-radius:16px;padding:32px}label{display:block;font-size:14px}.hint{display:block;font-size:12px;font-weight:normal;color:var(--muted);margin-top:2px}input{display:block;width:100%;padding:12px;border:1px solid #8c9b90;border-radius:6px;background:#fff;color:var(--ink);font:inherit;margin:6px 0 0}input:focus,button:focus-visible,a:focus-visible{outline:3px solid #be9455;outline-offset:3px}#tools{display:grid;gap:6px;margin-top:20px;max-height:min(600px,70vh);overflow-y:auto;padding-right:6px}.group-heading{font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--muted);font-weight:bold;margin:14px 0 2px;padding-top:8px;border-top:1px solid var(--line)}.group-heading:first-child{margin-top:0;padding-top:0;border-top:0}button{font:inherit;cursor:pointer;min-height:44px;border:1px solid var(--line);border-radius:7px;background:white;color:var(--ink);padding:10px 16px}#tools button{text-align:left;width:100%}#tools [aria-pressed=true]{background:var(--ink);color:white}#fields{display:grid;grid-template-columns:1fr 1fr;gap:20px}.tip,.scope{font-size:13px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.primary{background:var(--ink);color:white}.scope{border-top:1px solid var(--line);padding-top:18px;margin-top:30px}#result{margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}#values{display:grid;grid-template-columns:1fr 1fr;gap:12px}.metric{background:#edf2ed;border-radius:8px;padding:16px}.metric span{display:block;font-size:13px}.metric strong{font-size:24px}#error{color:#9b2929}footer{padding:30px;text-align:center;border-top:1px solid var(--line);font-size:13px}[hidden]{display:none!important}@media(max-width:760px){header{align-items:flex-start;flex-wrap:wrap;padding:16px 20px}nav{gap:16px}.layout{grid-template-columns:1fr;margin-top:24px}aside{position:static}#tools{max-height:44vh}main{padding:24px 16px}#calculator{padding:22px 18px}#fields{grid-template-columns:1fr}#values{grid-template-columns:1fr 1fr}.metric strong{font-size:21px}}@media print{header nav,aside,.actions,#search,.lead,h1,main>.eyebrow,.tip,footer{display:none!important}.layout{display:block}main{padding:0}#calculator{border:0;padding:0}body{background:white}#fields{grid-template-columns:1fr 1fr}input{border:0;padding:0}#result{break-inside:avoid}}