:root{--f:#000;--b:#fff;--h:#e6e6e6;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--f:#fff;--b:#000;--h:#333}}
*{box-sizing:border-box;border-radius:0}
html{-webkit-text-size-adjust:100%}
body{margin:0 auto;max-width:960px;padding:16px;background:var(--b);color:var(--f);font:16px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
nav{font-size:14px;margin:0 0 8px}
nav a+a,nav a+b,nav b+a{margin-left:12px}
h1{font-size:1.4rem;margin:0 0 12px}
p{margin:8px 0}
a{color:var(--f)}
button,input,textarea{font:inherit;color:var(--f);background:var(--b);border:1px solid var(--f);padding:6px 8px;margin:0}
button{cursor:pointer}
button[aria-pressed=true]{background:var(--f);color:var(--b)}
input,textarea{width:100%;min-width:0}
textarea{display:block;resize:vertical;font-variant-numeric:tabular-nums}
label{font-weight:600}
output{font-variant-numeric:tabular-nums;font-weight:600}
.box{border:1px solid var(--f);padding:12px;margin:0 0 12px}
#calc{display:grid;grid-template-columns:auto 1fr 1.2fr;gap:8px 10px;align-items:center}
.bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 8px}
.bar .r{margin-left:auto}
.seg{display:flex}
.seg button+button{border-left:0}
.btn{display:inline-block;border:1px solid var(--f);padding:6px 10px;text-decoration:none}
.s{font-size:14px}
.wrap{overflow:auto;max-height:80vh;max-height:80dvh;border:1px solid var(--f)}
table{border-collapse:separate;border-spacing:0;font-variant-numeric:tabular-nums;font-size:14px;width:100%}
th,td{padding:5px 8px;text-align:right;white-space:nowrap;background:var(--b)}
thead th{position:sticky;top:0;z-index:1;border-bottom:1px solid var(--f)}
th:first-child,td:first-child{position:sticky;left:0;text-align:center;border-right:1px solid var(--f);font-weight:600}
thead th:first-child{z-index:2}
#t tbody tr:nth-child(5n) td{border-bottom:1px solid var(--f)}
#t td{cursor:pointer}
.hr td,.hc{background:var(--h)}
td.sel{background:var(--f);color:var(--b)}
footer{margin-top:24px;font-size:13px}
@media (max-width:480px){table{font-size:13px}th,td{padding:4px 6px}}
@media print{
nav,#calc,.bar,footer{display:none}
.wrap{overflow:visible;max-height:none;border:0}
thead th{position:static}
body{max-width:none;padding:0}
table{font-size:10px}
th,td{padding:1px 4px}
.hr td,.hc,td.sel{background:none;color:inherit}
}