:root{
  --bg:#fbfaf6; --paper:#ffffff; --ink:#1c2420; --muted:#4f5b55; --line:#dcdcd2; --soft:#f1f0e8;
  --accent:#2d5e46; --accent-ink:#ffffff; --accent-soft:#e6efe9;
  --high:#9b2c1f; --high-bg:#fbe9e5; --med:#7a5200; --med-bg:#fbf0d6; --low:#2d5e46; --low-bg:#e6efe9;
  --serif: "Iowan Old Style","Charter","Bitstream Charter","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;
  --sans: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --radius:10px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--sans)}
a{color:var(--accent);text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid #1a5bb8;outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:10}
.skip:focus{left:.5rem;top:.5rem}
.wrap{max-width:1080px;margin:0 auto;padding:0 1rem}
header.site{border-bottom:1px solid var(--line);background:var(--paper)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:56px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.5rem;font-family:var(--serif);font-size:1.15rem;color:var(--ink);text-decoration:none;font-weight:600}
.brand svg{flex:none}
nav.main ul{list-style:none;margin:0;padding:0;display:flex;gap:1rem;flex-wrap:wrap}
nav.main a{color:var(--muted);text-decoration:none;font-size:.95rem;padding:.4rem 0;display:inline-block}
nav.main a[aria-current="page"],nav.main a:hover{color:var(--ink);text-decoration:underline}
main{padding:1.5rem 0 3rem}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.2;letter-spacing:-.01em}
h1{font-size:1.9rem;margin:.25rem 0 .5rem}
h2{font-size:1.4rem;margin:2rem 0 .6rem}
h3{font-size:1.1rem;margin:1.4rem 0 .4rem}
.lede{font-size:1.08rem;color:var(--muted);max-width:44rem;margin:.25rem 0 1rem}
.motto{font-family:var(--serif);font-size:1.15rem;margin:.5rem 0 1.25rem;padding-left:.8rem;border-left:3px solid var(--accent)}
.prose{max-width:46rem}
.prose li{margin:.3rem 0}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1rem}
/* form */
form.calc{display:grid;gap:1rem}
fieldset{border:0;margin:0;padding:0;min-width:0}
legend{font-weight:600;font-size:.95rem;margin-bottom:.4rem;padding:0}
.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{position:relative}
.chip input{position:absolute;opacity:0;width:1px;height:1px}
.chip span{display:inline-flex;align-items:center;min-height:44px;padding:.45rem .95rem;border:1px solid #b9bcb0;border-radius:999px;background:var(--paper);cursor:pointer;font-size:.95rem;user-select:none}
.chip span small{color:var(--muted);margin-left:.35rem;font-size:.8rem}
.chip input:checked + span{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.chip input:checked + span small{color:#dfeae3}
.chip input:focus-visible + span{outline:3px solid #1a5bb8;outline-offset:2px}
.row{display:grid;gap:1rem}
.weight input{font:inherit;font-size:1.05rem;width:8rem;min-height:44px;padding:.4rem .6rem;border:1px solid #9ea293;border-radius:8px;background:#fff;color:var(--ink)}
.weight .unit{margin-left:.4rem;color:var(--muted)}
.hint{font-size:.85rem;color:var(--muted);margin:.3rem 0 0}
.err{color:var(--high);font-size:.9rem;margin:.3rem 0 0}
[hidden]{display:none!important}
/* results */
.results{margin-top:1.5rem}
.summary{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1rem;margin:0 0 .6rem}
.summary p{margin:0;font-weight:600}
.btn{font:inherit;font-size:.9rem;min-height:40px;padding:.4rem .9rem;border:1px solid var(--accent);color:var(--accent);background:#fff;border-radius:8px;cursor:pointer}
.btn:hover{background:var(--accent-soft)}
.tablewrap{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table.nut{width:100%;border-collapse:collapse;font-size:.95rem}
table.nut th,table.nut td{text-align:left;vertical-align:top;padding:.6rem .6rem}
table.nut thead th{background:var(--soft);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;border-bottom:1px solid var(--line)}
table.nut tbody{border-top:1px solid var(--line)}
table.nut tbody:first-of-type{border-top:0}
table.nut tr.main th{font-family:var(--serif);font-size:1.02rem;font-weight:600}
.target{font-weight:700;white-space:nowrap;font-variant-numeric:tabular-nums}
tr.detail td{padding-top:0;font-size:.86rem;color:var(--muted)}
tr.detail p{margin:.15rem 0}
.badge{display:inline-block;font-size:.78rem;font-weight:700;padding:.15rem .55rem;border-radius:999px;white-space:nowrap}
.risk-high{background:var(--high-bg);color:var(--high)}
.risk-medium{background:var(--med-bg);color:var(--med)}
.risk-low{background:var(--low-bg);color:var(--low)}
.sup-yes{background:var(--ink);color:#fff}
.sup-consider{background:#fff;color:var(--ink);border:1px solid var(--ink)}
.sup-no{background:var(--soft);color:var(--muted)}
.why{display:block;font-size:.84rem;color:var(--muted);margin-top:.25rem}
.food-mobile{display:none}
.note-warn{color:#5c3b00}
.callouts{display:grid;gap:.75rem;margin-top:1rem}
.callout{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:8px;padding:.7rem .9rem;font-size:.95rem}
.callout.warn{border-left-color:var(--med)}
.callout p{margin:.2rem 0}
.disclaimer{background:#fff8e6;border:1px solid #ecd9a6;border-radius:8px;padding:.8rem 1rem;font-size:.93rem;margin:1rem 0}
.disclaimer strong{display:block;margin-bottom:.2rem}
table.ref{border-collapse:collapse;width:100%;font-size:.9rem;background:#fff;margin:.5rem 0 1rem}
table.ref th,table.ref td{border:1px solid var(--line);padding:.4rem .5rem;text-align:left;vertical-align:top}
table.ref thead th{background:var(--soft)}
.tscroll{overflow-x:auto}
footer.site{border-top:1px solid var(--line);background:var(--paper);font-size:.9rem;color:var(--muted)}
footer.site .wrap{padding-top:1.25rem;padding-bottom:1.5rem;display:grid;gap:.6rem}
footer.site ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.4rem 1rem}
footer.site a{color:var(--ink)}
footer.site p{margin:0}
@media (max-width:640px){
  h1{font-size:1.6rem}
  table.nut th.food,table.nut td.food{display:none}
  .food-mobile{display:block}
  table.nut th,table.nut td{padding:.55rem .45rem}
  table.nut thead th{font-size:.72rem}
  .target{white-space:normal}
}
@media (min-width:760px){
  .row.two{grid-template-columns:1fr 1fr}
  form.calc{padding:1.25rem}
}
@media print{
  header.site nav,footer.site ul,.btn,form.calc{display:none}
  .food-mobile{display:none}
}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}