:root{--fg:#1d2329;--muted:#5b6670;--bg:#fff;--alt:#f4f6f5;--accent:#1f6f4a;--warn:#9a3b00;--line:#dde2e0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
*{box-sizing:border-box}body{margin:0;color:var(--fg);background:var(--bg);line-height:1.6;font-size:17px}
a{color:var(--accent)}header.site,footer.site{background:var(--alt);border-bottom:1px solid var(--line)}footer.site{border-top:1px solid var(--line);border-bottom:0;margin-top:3rem;font-size:.9rem;color:var(--muted)}
.wrap{max-width:960px;margin:0 auto;padding:0 1rem}header.site .wrap{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;align-items:center;padding:.7rem 1rem}
.brand{font-weight:700;text-decoration:none;color:var(--fg);font-size:1.1rem}nav{display:flex;flex-wrap:wrap;gap:.3rem 1rem}nav a{text-decoration:none;font-size:.92rem;color:var(--muted)}
h1{font-size:1.9rem;line-height:1.2;margin:1.5rem 0 .5rem}h2{font-size:1.35rem;margin-top:2.2rem}.lede{color:var(--muted)}
.crumbs{font-size:.85rem;color:var(--muted);margin-top:1rem}.crumbs a{color:var(--muted)}
.tool{display:grid;grid-template-columns:1fr;gap:1.25rem;background:var(--alt);border:1px solid var(--line);border-radius:10px;padding:1.1rem;margin:1.25rem 0}
@media(min-width:820px){.tool{grid-template-columns:1.25fr 1fr}}
.field{display:block;margin-bottom:.8rem}.field span{display:block;font-weight:600;font-size:.95rem}.field em{font-weight:400;color:var(--muted);font-style:normal}
.field small,.loads small{display:block;color:var(--muted);font-size:.8rem;line-height:1.35;margin-top:.2rem}
input,select,button{font:inherit;font-size:1rem}input[type=number],select,.loads input{width:100%;padding:.45rem .5rem;border:1px solid #b9c2be;border-radius:6px;background:#fff}
.loads{border:1px solid var(--line);border-radius:8px;padding:.6rem;margin:0 0 .8rem;background:#fff}.loads legend{font-weight:600;padding:0 .3rem}
.tw{overflow-x:auto}.loads table{width:100%;border-collapse:collapse;min-width:480px}.loads th{font-size:.78rem;text-align:left;color:var(--muted);font-weight:600;padding:.2rem}
.loads td{padding:.15rem}.loads td:first-child{min-width:170px}.loads td input[type=number]{max-width:95px}.rm{border:0;background:none;color:var(--warn);font-size:1.3rem;cursor:pointer}
.add{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}.add select{flex:1 1 220px}.add button{background:#fff;border:1px solid #b9c2be;border-radius:6px;padding:.4rem .7rem;cursor:pointer}
.out{position:sticky;top:.5rem;align-self:start}.results{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden;border:1px solid var(--line)}
.results th,.results td{padding:.55rem .7rem;border-bottom:1px solid var(--line);text-align:left;font-size:.95rem}.results td{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.results tr.primary th,.results tr.primary td{font-size:1.15rem;font-weight:700;color:var(--accent);background:#eaf4ee}
.notes{padding-left:1.1rem;font-size:.88rem;color:var(--muted)}.notes .warn,.warn{color:var(--warn);font-weight:600}
.example table,.ref{border-collapse:collapse;width:100%;font-size:.92rem}.example td,.example th,.ref td,.ref th{border:1px solid var(--line);padding:.35rem .5rem;text-align:left}
.aff{border:1px dashed var(--accent);border-radius:8px;padding:.8rem 1rem;background:#f7fbf8}.aff small{color:var(--muted);display:block}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:.8rem;padding:0;list-style:none}.grid li{border:1px solid var(--line);border-radius:8px;padding:.8rem;background:#fff}
.grid a{font-weight:600;text-decoration:none}.grid p{margin:.3rem 0 0;font-size:.88rem;color:var(--muted)}details{border-bottom:1px solid var(--line);padding:.6rem 0}summary{font-weight:600;cursor:pointer}
.disclaimer{font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);padding-top:.8rem;margin-top:2rem}
.pathbar{display:flex;flex-wrap:wrap;gap:.4rem 1.2rem;align-items:center;font-size:.92rem;background:#eaf4ee;border:1px solid var(--line);border-radius:8px;padding:.6rem .9rem;margin:1rem 0}.pathbar span{color:var(--muted)}.pathbar a{font-weight:600;text-decoration:none}
ol.path{padding-left:1.4rem}ol.path li{margin:.25rem 0}ol.path span{color:var(--muted);font-size:.9rem}ol.path li[aria-current] strong{color:var(--accent)}
ul.more{columns:2 260px;padding-left:1.1rem}ul.more li{margin:.2rem 0;break-inside:avoid}
.tool>*{min-width:0}.results td{white-space:normal;overflow-wrap:anywhere}.results td:only-child,.results tr.primary td{white-space:nowrap}.loads td input[type=number]{min-width:64px}