:root{--paper:#fff;--ink:#202731;--muted:#566273;--rule:#d3d9e0;--control-border:#7b8796;--soft:#f1f3f6;--accent:#a74622;--on-accent:#fff;--result:#202731;--result-ink:#fff;--result-muted:#c4cbd5;--highlight:#f5ad83;--success:#216241;--warn:#7b3d15;--space:24px;--radius:3px;--body:'Segoe UI',Arial,sans-serif;--mono:Consolas,'Courier New',monospace;--max:1320px;--small:13px;--body-size:16px}
*{box-sizing:border-box}html{scroll-padding-top:25px}body{margin:0;background:var(--paper);color:var(--ink);font:var(--body-size)/1.6 var(--body)}button,input,select,textarea{font:inherit}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,a,input,select,summary,textarea{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--accent);outline-offset:4px}::selection{background:var(--accent);color:var(--on-accent)}input,textarea{caret-color:var(--accent)}h1,h2,h3{line-height:1.12;margin:0 0 18px;letter-spacing:-.025em}h1{font-size:clamp(36px,3.9vw,54px);font-weight:600;max-width:900px}h2{font-size:29px;font-weight:600}h3{font-size:21px;font-weight:600}p{margin:0 0 20px}small,.small{font-size:var(--small)}.muted{color:var(--muted)}.skip{position:absolute;left:20px;top:-100px;background:var(--accent);color:#fff;padding:14px;z-index:10}.skip:focus{top:10px}.site-header{max-width:var(--max);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:92px;border-bottom:1px solid var(--rule)}.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:600;line-height:1.05;text-decoration:none;color:var(--ink);letter-spacing:-.025em}.brand svg{width:36px;height:36px;background:var(--accent);padding:8px;color:#fff}.brand span span{font-weight:400}.top-nav{display:flex;gap:27px;font-size:14px}.top-nav a{color:var(--ink);text-decoration:none;min-height:44px;display:flex;align-items:center}.top-nav a:hover{text-decoration:underline}.header-note{font-size:12px;color:var(--muted)}.site-layout{display:grid;grid-template-columns:185px minmax(0,1fr);gap:40px;max-width:var(--max);margin:auto}.tool-nav{padding:37px 0;align-self:start;position:sticky;top:0}.nav-group{margin-bottom:26px}.nav-group strong{font-size:12px;color:var(--muted);font-weight:600;display:block;margin-bottom:9px}.nav-group a{display:block;padding:8px 12px;font-size:13px;line-height:1.5;color:var(--ink);text-decoration:none;border-radius:var(--radius);margin-left:-12px}.nav-group a:hover{background:var(--soft)}.nav-group a[aria-current=page]{background:var(--soft);font-weight:650;color:var(--accent)}.mobile-nav{display:none}.page{min-width:0;padding:40px 0 60px}.page-head{margin-bottom:30px}.page-head p{max-width:780px;color:var(--muted);font-size:17px;margin-bottom:17px}.proof{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 20px}.proof span{display:flex;align-items:center;gap:6px}.proof svg{width:15px;height:15px;color:var(--success)}.calculator{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.9fr);border:1px solid var(--rule);margin-bottom:36px}.calculator form{padding:28px;min-width:0}.form-heading{display:flex;justify-content:space-between;gap:20px;align-items:start;margin-bottom:18px}.form-heading h2{font-size:21px;margin:0}.form-heading span{font-size:12px;color:var(--muted)}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}.field{display:block;font-size:13px;color:var(--muted);min-width:0}.field>span{display:block;margin-bottom:6px}.field.full{grid-column:1/-1}.field input,.field select,.field textarea{width:100%;min-width:0;min-height:44px;padding:10px 12px;border:1px solid var(--rule);border-radius:var(--radius);background:var(--paper);color:var(--ink);font-size:15px;line-height:1.4}.field input{font-family:var(--mono);font-variant-numeric:tabular-nums}.field textarea{min-height:225px;resize:vertical;font-family:var(--mono);font-size:14px}.field select{font-size:14px}.help{display:block;font-size:12px;line-height:1.5;margin:5px 0 0;color:var(--muted)}.source-note{font-size:12px;color:var(--muted);line-height:1.6;margin:13px 0 19px}.source-note a{color:inherit}.advanced{margin-top:22px;border-top:1px solid var(--rule);padding-top:16px}.advanced summary{font-size:14px;cursor:pointer;margin-bottom:16px}.advanced .field-grid{margin-top:15px}.actions{display:flex;align-items:center;gap:18px;margin-top:23px}.button{border:0;min-height:47px;background:var(--accent);color:#fff;border-radius:var(--radius);padding:11px 18px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:space-between;gap:24px}.button:hover{filter:brightness(.94)}.button svg{width:18px;height:18px}.actions .button{flex:1}.quiet-button{background:none;border:0;color:var(--muted);font-size:13px;min-height:44px;padding:8px 4px;cursor:pointer;text-decoration:underline;text-underline-offset:4px}.result{background:var(--result);color:var(--result-ink);padding:28px;min-width:0;display:flex;flex-direction:column}.result h2{font-size:15px;letter-spacing:0;font-weight:500;color:var(--result-muted);margin:0 0 22px}.result-value{font:clamp(36px,3.6vw,52px)/1.15 var(--mono);letter-spacing:-.04em;overflow-wrap:anywhere;margin-bottom:8px}.result-unit{color:var(--result-muted);font-size:13px}.result-caption{font-size:13px;color:var(--result-muted);margin:13px 0 19px}.result dl{font-size:13px;margin:8px 0 15px}.result dl>div{display:flex;justify-content:space-between;gap:15px;padding:10px 0;border-bottom:1px solid #515d6a}.result dt{color:var(--result-muted)}.result dd{font-family:var(--mono);margin:0;text-align:right;overflow-wrap:anywhere;max-width:60%}.result .result-note{font-size:12px;color:var(--result-muted);margin:12px 0 18px;line-height:1.65}.result a{color:var(--highlight)}.result .quiet-button{color:var(--highlight);text-align:left;align-self:start}.result footer{margin-top:auto;font-size:12px;padding-top:15px}.status{min-height:0;font-size:13px;color:var(--warn)}.status:empty{display:none}.result .status{color:var(--highlight)}.stale{padding:10px 14px;background:#fff1e6;color:var(--warn);font-size:13px;margin-bottom:18px;border:1px solid #d2b29b}.section{border-top:1px solid var(--rule);padding-top:32px;margin-top:36px}.section>p,.prose>p,.prose li{max-width:76ch}.section-header{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:22px}.section-header h2{margin:0}.section-header p{color:var(--muted);font-size:14px;max-width:460px;margin:0}.table-controls{display:flex;gap:20px;align-items:end;margin:20px 0}.table-controls .field{min-width:190px;flex:1}.table-region{overflow:auto;padding:12px;border:1px solid var(--rule);max-height:650px;scrollbar-color:var(--muted) var(--soft)}table{border-collapse:separate;border-spacing:0;width:100%;font-size:14px;line-height:1.5}th,td{text-align:left;padding:15px 16px;border-bottom:1px solid var(--rule);vertical-align:top}th{font-weight:600;color:var(--muted);font-size:12px;background:var(--soft);position:sticky;top:0;z-index:2;white-space:nowrap}td{background:var(--paper);min-width:110px}th:first-child,td:first-child{position:sticky;left:0;min-width:180px;z-index:1;box-shadow:1px 0 0 var(--rule)}th:first-child{z-index:3}td:first-child strong{display:block;font-weight:600;color:var(--ink)}td small{display:block;font-size:12px;color:var(--muted);margin-top:5px}td.money{font-family:var(--mono);font-variant-numeric:tabular-nums}tbody tr:last-child td{border-bottom:0}.table-note{font-size:13px;color:var(--muted);margin:12px 0 0}.formula{background:var(--soft);padding:20px;font:13px/1.9 var(--mono);overflow-wrap:anywhere;margin:22px 0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:35px}.topic-list{border-top:1px solid var(--rule);margin-top:22px}.topic-list a{display:flex;justify-content:space-between;gap:24px;padding:21px 0;border-bottom:1px solid var(--rule);color:var(--ink);text-decoration:none}.topic-list a:hover h3{text-decoration:underline;text-underline-offset:4px}.topic-list h3{font-size:20px;margin:0 0 8px}.topic-list p{font-size:14px;color:var(--muted);margin:0}.topic-list svg{width:22px;min-width:22px;height:22px;color:var(--accent)}.note-box{background:var(--soft);padding:25px;margin:26px 0}.note-box h2,.note-box h3{font-size:22px;margin-bottom:14px}.note-box p:last-child{margin-bottom:0}.faq{border-top:1px solid var(--rule);padding:18px 0}.faq summary{cursor:pointer;font-size:16px;font-weight:500}.faq p{margin:15px 0 0;color:var(--muted);font-size:15px}.prose{max-width:860px}.prose h2{margin-top:35px}.prose ul{padding-left:22px}.prose li{margin:10px 0}.related{margin-top:35px;background:var(--soft);padding:27px}.related h2{font-size:26px}.related>p{color:var(--muted)}.related-links{display:flex;gap:25px;flex-wrap:wrap;margin-bottom:20px;font-size:15px}.related small{color:var(--muted);font-size:12px}.site-footer{max-width:var(--max);margin:auto;border-top:1px solid var(--rule);display:flex;justify-content:space-between;align-items:start;gap:30px;padding:30px 0;font-size:13px;color:var(--muted)}.site-footer p{margin:8px 0 0;font-size:12px}.site-footer nav{display:flex;gap:22px}.site-footer a{color:inherit}.site-footer .brand{font-size:17px;color:var(--ink)}.disclosure{font-size:13px;color:var(--muted);padding:15px 0;border-bottom:1px solid var(--rule);margin-bottom:25px}.notice{font-size:14px;background:var(--soft);padding:15px;margin:20px 0}.estimate-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:25px}.estimate-item{border:1px solid var(--rule);padding:20px}.estimate-item h3{font-size:19px}.estimate-item .amount{font:30px/1.3 var(--mono);letter-spacing:-.03em;margin-bottom:10px}.estimate-item p{font-size:13px;color:var(--muted);margin-bottom:10px}.estimate-item .amount small{font:13px var(--body)}.estimate-item a{font-size:13px}.estimate-item ul{padding-left:17px;font-size:13px;color:var(--muted)}.readonly{background:var(--soft)!important}.token-meta{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:10px 0}.token-preview{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--soft);padding:20px;font:13px/2 var(--mono);max-height:260px;overflow:auto}.token-preview span{background:#e1e7ef;border:1px solid #c2cad6;border-radius:2px;padding:1px 3px;margin-right:2px}.token-preview span:nth-child(3n){background:#e7eadc}.token-preview span:nth-child(3n + 1){background:#f4e4d9}.hidden,[hidden]{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.badge{font-size:12px;color:var(--success)}
@media(max-width:1390px){.site-header,.site-layout,.site-footer{margin-left:30px;margin-right:30px}.site-layout{gap:30px;grid-template-columns:175px minmax(0,1fr)}.header-note{display:none}.calculator{grid-template-columns:minmax(0,1.1fr) minmax(260px,.9fr)}.calculator form,.result{padding:24px}.field-grid{gap:17px 16px}}
@media(max-width:1100px){.site-layout{display:block}.tool-nav{display:none}.mobile-nav{display:block;margin-bottom:24px;border:1px solid var(--rule);background:var(--soft);padding:0 15px}.mobile-nav>summary{cursor:pointer;padding:12px 0;font-size:14px}.mobile-nav .nav-group{margin:0;padding:5px 0 15px;display:flex;flex-wrap:wrap;gap:6px 16px}.mobile-nav .nav-group strong{width:100%;margin:10px 0 3px}.mobile-nav .nav-group a{margin:0;padding:7px 0}.page{padding-top:24px}.top-nav{gap:20px}.calculator{grid-template-columns:1.25fr 1fr}.table-region{max-height:550px}}
@media(max-width:700px){.site-header,.site-layout,.site-footer{margin-left:19px;margin-right:19px}.site-header{min-height:78px;gap:15px;align-items:center}.brand{font-size:18px;gap:9px}.brand span span{display:block;font-size:15px;margin-top:3px}.brand svg{width:32px;height:32px;padding:7px}.top-nav{gap:15px;font-size:12px}.top-nav .extra{display:none}.page{padding-top:16px}.mobile-nav{margin-bottom:24px}.page-head{margin-bottom:23px}h1{font-size:36px;line-height:1.04;margin-bottom:18px}h2{font-size:26px}.page-head p{font-size:15px;line-height:1.5}.proof{gap:7px 14px;font-size:12px}.calculator{display:block;margin-bottom:28px}.calculator form{padding:21px 17px}.result{padding:26px 22px}.form-heading{margin-bottom:18px}.form-heading h2{font-size:21px}.form-heading>span{display:none}.field-grid{gap:15px 13px}.field{font-size:13px}.field>span{line-height:1.4;min-height:35px}.field.full>span{min-height:0}.field input,.field select{font-size:14px;padding:10px 9px}.source-note{font-size:12px;margin:12px 0 17px}.advanced{margin-top:18px}.actions{gap:15px;margin-top:20px}.button{font-size:13px;padding:11px 13px}.result-value{font-size:44px}.result h2{margin-bottom:15px}.result .quiet-button{min-height:44px}.section{margin-top:28px;padding-top:28px}.section-header{display:block}.section-header h2{margin-bottom:15px}.section-header p{font-size:14px}.table-controls{display:block}.table-controls .field{margin:14px 0}.table-controls .field>span{min-height:0}.table-region{max-height:530px}th,td{padding:13px 12px}th:first-child,td:first-child{min-width:145px;max-width:160px}.two-col,.estimate-grid{display:block}.estimate-item{margin-bottom:18px}.topic-list h3{font-size:20px}.topic-list p{font-size:14px}.formula{font-size:12px;padding:17px}.related{padding:23px 20px}.related h2{font-size:24px}.related-links{display:block}.related-links a{display:block;margin:16px 0}.site-footer{display:block;padding:27px 0}.site-footer nav{margin-top:22px;gap:19px;flex-wrap:wrap}.site-footer nav a{min-height:35px}.note-box{padding:22px}.field textarea{min-height:180px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media print{.site-header,.tool-nav,.mobile-nav,.site-footer,.actions,.table-controls,.skip{display:none}.site-layout{display:block;margin:0}.page{padding:0}.calculator{break-inside:avoid}.result{background:#f1f3f6;color:#202731}.result *{color:#202731!important}.table-region{max-height:none;overflow:visible}th,td{position:static!important}.related{break-inside:avoid}a{color:#202731}}
.field input,.field select,.field textarea{border-color:var(--control-border)}button:disabled{opacity:.55;cursor:not-allowed}@media(max-width:700px){.field-grid .field:has(select){grid-column:1/-1}}
.result a:focus-visible,.result button:focus-visible{outline-color:var(--highlight)}
.mobile-nav:not([open]) .nav-group{display:none}.estimate-item .amount small{letter-spacing:0}
details:not([open])>:not(summary){display:none!important}.page p,.site-footer p{max-width:65ch}
.page-head .page-date{font-size:12px;color:var(--muted);margin:15px 0 0}.catalog-jump{font-size:14px;margin-bottom:20px}.catalog-search{max-width:480px;margin-top:24px}.catalog-sections{display:flex;flex-wrap:wrap;gap:10px 24px;margin:22px 0 30px;font-size:14px}.catalog-section{margin:32px 0}.catalog-section h3{margin-bottom:12px}.catalog-section .table-note{margin:0 0 14px}.catalog-section tbody th{position:sticky;top:auto;left:0;z-index:1;background:var(--paper);color:var(--ink);font-size:14px;font-weight:400;white-space:normal;min-width:190px;max-width:240px}.catalog-section tbody th strong{display:block;font-weight:600}.catalog-section tbody th small{display:block;font-size:12px;color:var(--muted);margin-top:6px}.catalog-section td{min-width:135px}.catalog-section td:last-child{min-width:260px;max-width:360px}.catalog-rate{font-variant-numeric:tabular-nums}.catalog-section tbody tr:last-child th{border-bottom:0}
.site-footer nav{flex-wrap:wrap}.sitemap-groups{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.sitemap-groups .section{margin-top:0}.sitemap-list{list-style:none;padding:0;margin:0 0 28px}.sitemap-list a{display:inline-block;min-height:44px;padding:8px 0}@media(max-width:700px){.sitemap-groups{grid-template-columns:1fr;gap:0}}
