:root{--ink:#17201b;--muted:#55605a;--paper:#fbfaf6;--card:#fff;--line:#dcd8cc;--green:#0b6b45;--green-2:#e5f1ea;--amber:#8a5a00;--amber-2:#fff4dc;--red:#9b2c1f;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
@media (prefers-color-scheme:dark){:root{--ink:#e9ece7;--muted:#a9b2ab;--paper:#121614;--card:#1a201d;--line:#334039;--green:#5fcf98;--green-2:#173328;--amber:#f0c26a;--amber-2:#33280f;--red:#ff8f7c}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--green)}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
header.top{border-bottom:1px solid var(--line);background:var(--card)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;flex-wrap:wrap}
.brand{font-weight:800;letter-spacing:-.02em;text-decoration:none;color:var(--ink);font-size:1.1rem}
.brand b{color:var(--green)}
nav.top{display:flex;flex-wrap:wrap;gap:2px 14px;padding:6px 0}
nav.top a{white-space:nowrap;font-size:.92rem;text-decoration:none;color:var(--muted)}
nav.top a:hover,nav.top a[aria-current]{color:var(--ink);text-decoration:underline}
h1{font-size:1.6rem;line-height:1.2;margin:22px 0 8px;letter-spacing:-.02em}
h2{font-size:1.25rem;margin:28px 0 8px}
h3{font-size:1.05rem;margin:18px 0 6px}
p.lede{color:var(--muted);margin:0 0 14px;max-width:62ch}
.grid{display:grid;gap:18px}
@media (min-width:900px){.grid.calc{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:start}.sticky{position:sticky;top:12px}h1{font-size:2rem}}
fieldset{border:1px solid var(--line);background:var(--card);border-radius:10px;margin:0 0 12px;padding:12px 14px 14px}
legend{font-weight:700;padding:0 6px}
label{display:block;font-size:.93rem;margin:10px 0 4px}
.hint{display:block;color:var(--muted);font-size:.84rem;margin-top:2px}
input[type=text],input[type=number],input[type=email],select{width:100%;font:inherit;padding:9px 10px;border:1px solid var(--line);border-radius:7px;background:var(--paper);color:var(--ink);min-height:44px}
input:focus,select:focus,button:focus,a:focus{outline:3px solid #f2b705;outline-offset:1px}
.row{display:grid;grid-template-columns:minmax(0,1fr) 92px;gap:8px}
.row3{display:grid;grid-template-columns:minmax(0,1fr) 84px 104px;gap:8px}
[hidden]{display:none!important}
.check{display:flex;gap:8px;align-items:flex-start;margin-top:10px;font-size:.92rem}
.check input{margin-top:4px;width:18px;height:18px;flex:none}
.radios label{display:flex;gap:8px;align-items:center;margin:6px 0}
.radios input{width:18px;height:18px}
.fx{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.btn{display:inline-block;font:inherit;font-weight:700;border:0;border-radius:8px;padding:12px 16px;min-height:46px;background:var(--green);color:#fff;text-decoration:none;cursor:pointer}
@media (prefers-color-scheme:dark){.btn{color:#08130d}}
.btn.ghost{background:transparent;color:var(--green);border:2px solid var(--green)}
.result{background:var(--card);border:2px solid var(--green);border-radius:12px;padding:14px}
.big{font:800 2rem/1.1 var(--mono);letter-spacing:-.02em;margin:4px 0}
.kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}
.kpi{background:var(--green-2);border-radius:8px;padding:8px 10px}
.kpi span{display:block;font-size:.8rem;color:var(--muted)}
.kpi strong{font-family:var(--mono);font-size:1.05rem}
table{width:100%;border-collapse:collapse;font-size:.9rem;margin:8px 0}
th,td{text-align:left;padding:6px 4px;border-bottom:1px solid var(--line);vertical-align:top}
td.n,th.n{text-align:right;font-family:var(--mono);white-space:nowrap}
td.n.wrap{white-space:normal}
table{table-layout:auto;overflow-wrap:break-word}
table.files td:first-child{min-width:7.5em;font-weight:600}
tr.zero td{color:var(--muted)}
.note{background:var(--amber-2);border-left:4px solid var(--amber);padding:8px 12px;border-radius:6px;font-size:.9rem;margin:10px 0}
.note.ok{background:var(--green-2);border-color:var(--green)}
.small{font-size:.86rem;color:var(--muted)}
.cite{font-size:.78rem;color:var(--muted);white-space:nowrap}
section.band{border-top:1px solid var(--line);margin-top:26px;padding-top:6px}
.cols{display:grid;gap:16px}
@media (min-width:760px){.cols{grid-template-columns:repeat(2,minmax(0,1fr))}}
.price{font:800 1.6rem var(--mono)}
.strike{text-decoration:line-through;color:var(--muted)}
ol.steps li,ul.list li{margin:6px 0}
details{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 12px;margin:8px 0}
summary{cursor:pointer;font-weight:600}
footer.foot{margin-top:40px;border-top:1px solid var(--line);background:var(--card);font-size:.86rem;color:var(--muted)}
footer.foot .wrap{padding-top:16px;padding-bottom:24px}
footer.foot a{color:var(--muted)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.msg{margin-top:10px;font-weight:600}
.msg.err{color:var(--red)}
.print-only{display:none}
@media print{
  header.top,nav,footer.foot,form#calc,.no-print,.btn{display:none!important}
  .print-only{display:block}
  section.band,p.lede{display:none!important}
  body{background:#fff;color:#000;font-size:12px}
  .result{border:1px solid #000}
  .grid.calc{display:block}
  .kpi{background:#f2f2f2}
  a{color:#000}
}