:root{--paper:#f7f5ee;--ink:#183532;--muted:#526965;--green:#1e6553;--line:#d7ded5;--gold:#e6b94f;--white:#fff;--soft:#eaf2ec}*{box-sizing:border-box}html{color-scheme:light}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}a{color:var(--green);text-underline-offset:3px}a:hover{color:#123d31}button,input{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #986900;outline-offset:3px}.skip{position:absolute;left:12px;top:-80px;padding:10px;background:white;z-index:10}.skip:focus{top:12px}.site-header{border-bottom:1px solid var(--line);background:#fffdf8}.header-inner{max-width:1160px;margin:auto;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-weight:800;color:var(--ink);text-decoration:none;letter-spacing:-.5px;font-size:20px;display:flex;gap:9px;align-items:center}.brand-symbol{display:inline-grid;place-items:center;background:var(--green);color:white;width:32px;height:32px;border-radius:9px;font-size:18px}.header-links{display:flex;gap:22px;font-size:14px}.header-links a{text-decoration:none}main{max-width:1160px;margin:auto;padding:30px 24px 0}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:2px;font-weight:750;color:var(--green);margin:0 0 6px}h1{font-size:clamp(30px,4vw,48px);line-height:1.15;letter-spacing:-1.6px;margin:0 0 22px;font-weight:800}h2{font-size:25px;line-height:1.3;letter-spacing:-.5px;margin:30px 0 14px}h3{font-size:18px;margin:24px 0 10px}p{margin:0 0 18px}.tool{background:white;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 9px 25px #193b3210}.tool-top{display:grid;grid-template-columns:1fr 1.1fr}.form-pane{padding:24px 28px}.form-heading{font-size:13px;color:var(--muted);margin-bottom:14px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{display:block;font-weight:650;font-size:14px;min-width:0}input[type=date],input[type=number]{display:block;width:100%;min-width:0;max-width:100%;border:1px solid #9dac9f;border-radius:7px;background:#fffdf9;color:var(--ink);padding:9px 10px;margin-top:6px;height:46px}input[type=checkbox]{accent-color:var(--green)}.check-label{font-weight:500;margin:14px 0;display:flex;align-items:flex-start;gap:8px}.check-label input{margin-top:6px}button{border:0;border-radius:8px;background:var(--green);color:#fff;padding:11px 20px;cursor:pointer;font-weight:700;margin-top:18px;width:100%}button:hover{background:#174b3e}button:disabled{opacity:.55;cursor:wait}.form-note{font-size:12px;color:var(--muted);margin:12px 0 0}.result{background:var(--soft);padding:24px 28px;border-left:1px solid var(--line);min-height:240px}.result-kicker{font-size:11px;font-weight:750;letter-spacing:1.5px;text-transform:uppercase;margin:0 0 10px}.result h2{font-size:26px;line-height:1.25;margin:0 0 18px;letter-spacing:-.7px}.result-empty{color:var(--muted);font-size:16px}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0}.metric{border-top:1px solid #c5d6cb;padding-top:8px;min-width:0}.metric dt{font-size:12px;color:var(--muted)}.metric dd{margin:2px 0 0;font-weight:750;font-size:18px;overflow-wrap:anywhere}.result-note{font-size:12px;color:var(--muted);margin:18px 0 0}.result.error{color:#8b2525;background:#fff1ee}.ad-slot{min-height:96px;margin:16px 0}.ad-slot.top{min-height:90px}.ad-slot.side{min-height:240px}.content-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(0,280px);gap:64px}.intro{font-size:18px;line-height:1.75}.table-wrap{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:10px;background:#fff}table{border-collapse:collapse;width:100%;font-size:14px}caption{text-align:left;padding:14px 16px;font-weight:650}th,td{text-align:left;padding:12px 16px;border-top:1px solid var(--line);vertical-align:top}th{background:#edf1e9;font-weight:700}td:first-child{font-weight:600}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;white-space:normal;overflow-wrap:anywhere}.formula{background:#efece1;border-left:4px solid var(--gold);padding:18px 20px;border-radius:0 8px 8px 0}.related-box{border-top:4px solid var(--gold);padding-top:20px;margin-top:6px}.related-box h2{font-size:18px;margin:0 0 14px}.related-box a{display:block;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:14px}.related-box span{display:block;color:var(--muted);font-size:12px}.faq details{border-bottom:1px solid var(--line);padding:16px 0}.faq summary{cursor:pointer;font-weight:650;line-height:1.5}.faq details p{padding:12px 0 0;margin:0;font-size:15px}.sources{font-size:14px}.sources li{margin:8px 0}.date-stamp{color:var(--muted);font-size:12px}.breadcrumb{font-size:12px;margin:0 0 16px;color:var(--muted)}.breadcrumb a{margin-right:8px}.footer{border-top:1px solid var(--line);padding:24px;max-width:1160px;margin:auto;font-size:13px;color:var(--muted);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer nav{display:flex;gap:20px;flex-wrap:wrap}.plain{max-width:760px}.nojs{padding:16px;background:#fff1ee}blockquote{margin:16px 0;border-left:3px solid var(--line);padding-left:18px;color:var(--muted)}
@media(max-width:760px){.header-inner{padding:12px 18px}.brand{font-size:17px}.header-links{gap:12px;font-size:12px}.header-links a:last-child{display:none}main{padding:20px 18px 0}h1{margin-bottom:16px;letter-spacing:-1px}.eyebrow{font-size:10px}.tool-top{display:block}.form-pane{padding:18px}.fields{gap:12px}.result{border-left:0;border-top:1px solid var(--line);padding:18px;min-height:160px}.result h2{font-size:23px}.form-heading{margin-bottom:10px}.form-note{line-height:1.5}.content-layout{display:block}.intro{font-size:16px}.related-box{margin-top:22px}.ad-slot.side{min-height:96px}.table-wrap th,.table-wrap td{padding:10px;font-size:13px}h2{font-size:23px}.footer{padding:20px 18px}.metric dd{font-size:17px}input[type=date]{font-size:14px;padding:8px 6px}}
