:root{color-scheme:dark;--bg:#0e1411;--surface:#161e19;--surface2:#1e2923;--ink:#eef3ee;--muted:#a9b8ad;--line:#2c3a32;--accent:#6fd08c;--accent-ink:#07210f;--accent-soft:#1a3324;--warn:#ffd38a;--warn-bg:#3a2d10;--focus:#8ab4ff;--max:44rem;--r:16px}
:root[data-theme=light]{color-scheme:light;--bg:#f4f7f3;--surface:#fff;--surface2:#eaf0ea;--ink:#14201a;--muted:#46574c;--line:#d3dcd3;--accent:#1f7a3f;--accent-ink:#fff;--accent-soft:#e1f0e6;--warn:#6b4200;--warn-bg:#fff1d2;--focus:#0b57d0}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:1rem/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;overflow-wrap:break-word}
a{color:var(--accent);text-underline-offset:.15em}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.6rem 1rem;z-index:10}
.skip:focus{left:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1rem}
header.site{position:sticky;top:0;z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:center;column-gap:.75rem}
.brand{font-weight:800;letter-spacing:-.01em;color:var(--ink);text-decoration:none;font-size:1.05rem;min-height:44px;display:inline-flex;align-items:center}
.theme{margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:var(--surface);color:var(--ink);font:inherit;font-size:1.15rem;cursor:pointer;display:grid;place-items:center}
header.site nav{flex:1 0 100%;order:3}
nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:0 .1rem}
header.site nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 .35rem;border-radius:999px;color:var(--muted);text-decoration:none;font-weight:600;font-size:.88rem;white-space:nowrap}
header.site nav a[aria-current=page]{background:var(--accent-soft);color:var(--accent)}
main{padding:1rem 0 2.5rem}
h1{font-size:1.75rem;line-height:1.2;margin:.2rem 0 .6rem;letter-spacing:-.02em}
h1.home{font-size:clamp(1.1rem,5.6vw,1.4rem);white-space:nowrap;margin:.1rem 0 .6rem}
h2{font-size:1.3rem;line-height:1.25;margin:2rem 0 .5rem;letter-spacing:-.01em}
h3{font-size:1.1rem;margin:1.4rem 0 .3rem}
.lede{font-size:1.1rem;color:var(--muted);margin-top:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1rem}
.tool{padding:.9rem 1rem .4rem}
fieldset{border:0;padding:0;margin:0 0 .8rem;min-width:0}
legend,label.l{font-weight:600;display:block;margin-bottom:.3rem;padding:0;font-size:.85rem;color:var(--muted)}
.seg{display:flex;gap:.4rem}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{flex:1 1 0;justify-content:center;text-align:center;border:1px solid var(--line);border-radius:12px;padding:.25rem .2rem;min-height:46px;display:inline-flex;align-items:center;cursor:pointer;background:var(--surface2);font-size:.9rem;font-weight:500;letter-spacing:-.01em}
.seg input:checked+label{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}
.seg input:focus-visible+label{outline:3px solid var(--focus);outline-offset:2px}
.row{display:grid;grid-template-columns:1fr 9.5rem;gap:.6rem;align-items:end;margin-bottom:.8rem}
.row fieldset{margin:0}
.field{margin-bottom:.8rem}
input[type=number],select{font:inherit;font-size:1.1rem;color:var(--ink);background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:.5rem .8rem;min-height:48px;width:100%}
input[type=number]{font-size:1.25rem;font-weight:700}
.hint{color:var(--muted);font-size:.95rem;margin:.3rem 0 0}
.err{color:var(--warn);background:var(--warn-bg);border-radius:12px;padding:.7rem .9rem;margin:.8rem 0}
#results{margin-top:.8rem}
.empty{text-align:center;padding:1.2rem 0}
.big{background:var(--accent-soft);border-color:transparent;padding:.9rem 1rem}
.big .k{font-size:.9rem;color:var(--muted);margin:0;line-height:1.4}
.big .v{font-size:2.6rem;font-weight:800;line-height:1.1;margin:.1rem 0 .2rem;color:var(--accent);letter-spacing:-.02em}
.range{display:grid;grid-template-columns:repeat(3,1fr);gap:.4rem;margin:.6rem 0}
.range div{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.4rem .2rem;text-align:center;min-width:0}
.range b{display:block;font-size:1.05rem}
.range span{font-size:.72rem;color:var(--muted);line-height:1.2;display:block}
.big .pk{margin-top:.2rem}
table{border-collapse:collapse;width:100%;margin:.6rem 0;font-size:.95rem}
th,td{border-bottom:1px solid var(--line);padding:.5rem .45rem;text-align:left;vertical-align:top}
th{background:var(--surface2)}
caption{text-align:left;caption-side:top}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:.6rem 0}
.tablewrap table{margin:0;min-width:30rem}
#results .tablewrap table{min-width:0}
.depends{margin:.5rem 0;padding-left:1.2rem}
.note{border-left:4px solid var(--accent);background:var(--surface);padding:.6rem .9rem;margin:1rem 0;border-radius:0 12px 12px 0}
.warnbox{border-left:4px solid var(--warn);background:var(--warn-bg);color:var(--warn);padding:.6rem .9rem;margin:.8rem 0;border-radius:0 12px 12px 0}
.slot,.ad-slot,[hidden]{display:none!important}
.slot{border:2px dashed var(--line);border-radius:var(--r);padding:.9rem;margin:1.2rem 0;background:var(--surface)}
.disclose{font-size:.85rem;color:var(--muted)}
details{border-bottom:1px solid var(--line)}
details.more{border:1px solid var(--line);border-radius:12px;background:var(--surface);margin:.6rem 0;padding:0 1rem}
details.more[open]{padding-bottom:.4rem}
summary{font-weight:600;cursor:pointer;min-height:48px;display:flex;align-items:center;padding:.2rem 0}
footer.site{border-top:1px solid var(--line);padding:1rem 0 1.4rem;font-size:.9rem;color:var(--muted)}
footer.site ul{list-style:none;padding:0;margin:0 0 .4rem;display:flex;flex-wrap:wrap;gap:0 .3rem}
footer.site a{color:var(--ink);display:inline-flex;align-items:center;min-height:44px;padding:0 .6rem 0 0}
footer.site p{margin:0}
@media(min-width:48rem){
 header.site .wrap{flex-wrap:nowrap}
 header.site nav{flex:1 1 auto;order:0}
 header.site nav ul{justify-content:flex-end}
 .theme{margin-left:.5rem;order:1}
 h1{font-size:2.1rem}h1.home{font-size:1.9rem}
 .tool{padding:1.2rem 1.4rem .6rem}
 .big .v{font-size:3rem}
}
@media print{header.site,footer.site,.theme{display:none}}