:root{--paper:#f4f2e9;--white:#fffef8;--ink:#183f33;--muted:#69776d;--line:#d8ded1;--gold:#bc843c;--red:#a64c32;--mint:#d8e6c5}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.5 system-ui,sans-serif}a{color:inherit}button,input,select{font:inherit;color:inherit}button,select{cursor:pointer}button{background:var(--white);border:1px solid var(--line);padding:8px 12px;border-radius:6px}button:hover{background:var(--mint)}input,select{background:var(--white);border:1px solid var(--line);border-radius:5px;padding:7px;width:100%;min-width:0}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--gold);outline-offset:2px}header{background:var(--white);border-bottom:1px solid var(--line);padding:18px 32px;display:flex;justify-content:space-between;align-items:center;gap:15px}.brand{font-size:23px;font-weight:800;letter-spacing:2px;text-decoration:none}.brand span{font-size:10px;color:var(--muted);margin-left:15px}nav{display:flex;align-items:center;gap:12px}main{max-width:1660px;margin:auto;padding:34px}.intro{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:24px}h1{font:48px/1.1 Georgia,serif;margin:5px 0 12px}h2{font:25px/1.2 Georgia,serif;margin:4px 0 10px}p{margin:8px 0}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:750;color:var(--muted)}.scenario{min-width:260px;display:grid;gap:6px}small,.note{color:var(--muted);font-size:12px}.workspace{display:grid;grid-template-columns:290px minmax(0,1fr);gap:24px}aside{position:sticky;top:12px;max-height:calc(100vh - 24px);overflow:auto}aside details{background:var(--white);border:1px solid var(--line);border-radius:8px;margin-bottom:10px}summary{cursor:pointer;padding:15px;font-weight:650}.fields{padding:0 15px 16px}.field{display:grid;grid-template-columns:minmax(0,1fr) 103px;align-items:center;gap:10px;margin-top:13px}.field label{font-size:12px}.field small{grid-column:1/-1;font-size:10px;margin-top:-5px}.field select{grid-column:1/-1}.results{min-width:0}#status{min-height:24px;font-size:12px;color:var(--muted);margin-top:0}.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:18px}.kpi{border:1px solid var(--line);background:var(--white);padding:17px;border-radius:8px;display:grid;gap:5px}.kpi:first-child{background:var(--ink);color:white}.kpi:first-child small{color:#cbd6c6}.kpi strong{font-size:27px;letter-spacing:-1px}.kpi span{font-size:11px;opacity:.8}.card{border:1px solid var(--line);border-radius:10px;background:var(--white);padding:20px;margin-bottom:18px}.section-head{display:flex;justify-content:space-between;align-items:start;gap:12px}.section-head p:not(.eyebrow){font-size:12px;color:var(--muted)}.tabs{display:flex;gap:5px}.tabs button[aria-pressed=true]{background:var(--ink);color:white}#chart svg{width:100%;height:auto;display:block}#chart{min-height:220px}.warnings p{padding:12px 15px;border-left:3px solid var(--gold);background:#efe7d5;font-size:12px;margin:0 0 10px}.warnings p.danger{border-color:var(--red);background:#f3e6dc}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px}th,td{padding:10px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}th:first-child,td:first-child{text-align:left}td button{min-width:110px;width:100%;display:grid;gap:3px}td button strong{font-size:16px}td button small{font-size:10px}.economics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.econ{display:grid;gap:5px;border-top:1px solid var(--line);padding:14px 0}.econ strong{font-size:20px}.econ small{font-size:11px}#pins{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.pin{background:var(--paper);border:1px solid var(--line);border-radius:7px;padding:10px;font-size:12px}.pin button{margin-left:8px;padding:3px 8px}.method p{margin:15px 0}.method{max-width:900px}footer{text-align:center;padding:20px;color:var(--muted);font-size:12px}details.card{padding:0 20px 15px}details.card summary{padding:15px 0}#ledger{max-height:330px}.error{color:var(--red)!important}@media(max-width:1050px){main{padding:22px}.workspace{grid-template-columns:255px minmax(0,1fr);gap:14px}.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.economics{grid-template-columns:repeat(2,minmax(0,1fr))}.brand span{display:none}.section-head{flex-wrap:wrap}}@media(max-width:720px){header{padding:15px;flex-wrap:wrap}nav{gap:8px;font-size:12px}nav button{font-size:12px;padding:6px 8px}main{padding:20px 12px}.intro{display:block}h1{font-size:38px}.scenario{margin-top:20px}.workspace{display:block}aside{position:static;max-height:370px;margin-bottom:18px}.card{padding:15px}.kpi{padding:13px}.kpi strong{font-size:23px}.economics{grid-template-columns:1fr 1fr}.tabs button{font-size:12px}#chart{min-height:0}#pins{display:block}.pin{margin-bottom:8px}}