:root { --ink:#1d1a16; --muted:#62594f; --line:#e4ddd3; --brand:#9a4a12; --brand-ink:#ffffff; --soft:#f7f1e8; --bg:#ffffff; --card:#fbf8f3; --warn:#8a5a00; --warn-bg:#fff6dd; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --ink:#efe9e1; --muted:#b3a89b; --line:#3a332b; --brand:#f0a160; --brand-ink:#1b120a; --soft:#241d16; --bg:#15110d; --card:#1c1712; --warn:#f3c86b; --warn-bg:#2d2412; }
}
:root[data-theme="dark"] { --ink:#efe9e1; --muted:#b3a89b; --line:#3a332b; --brand:#f0a160; --brand-ink:#1b120a; --soft:#241d16; --bg:#15110d; --card:#1c1712; --warn:#f3c86b; --warn-bg:#2d2412; }
* { box-sizing:border-box; }
html { -webkit-text-size-adjust:100%; }
body { margin:0; background:var(--bg); color:var(--ink); font:17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color:var(--brand); }
.wrap { max-width:1000px; margin:0 auto; padding:0 16px; }
header.top { display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap; padding:18px 0; }
.logo { font-weight:800; color:var(--brand); text-decoration:none; }
header.top .fine a { color:var(--muted); }
.hero { padding:32px 0 20px; }
h1 { font-size:clamp(1.8rem, 4.6vw, 2.7rem); line-height:1.12; letter-spacing:-.02em; margin:0 0 14px; }
.lead { font-size:1.15rem; color:var(--muted); max-width:700px; margin:0 0 20px; }
.btn { display:inline-block; background:var(--brand); color:var(--brand-ink); padding:13px 20px; border-radius:10px; font-weight:700; text-decoration:none; border:0; cursor:pointer; font:inherit; font-weight:700; }
.btn.secondary { background:transparent; color:var(--brand); border:2px solid var(--brand); }
.btn:disabled { opacity:.6; cursor:wait; }
button.link { background:none; border:0; padding:0; color:var(--brand); text-decoration:underline; cursor:pointer; font:inherit; }
.cta-row { display:flex; gap:12px; flex-wrap:wrap; align-items:center; }
.fine { color:var(--muted); font-size:.9rem; }
section { padding:36px 0; border-top:1px solid var(--line); }
section.first { border-top:none; padding-top:12px; }
section h2 { font-size:1.5rem; margin:0 0 16px; letter-spacing:-.01em; }
h3 { font-size:1.1rem; margin:20px 0 8px; }
.grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(230px, 1fr)); gap:14px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:18px; }
.card h3 { margin:0 0 6px; }
.card p { margin:0; color:var(--muted); font-size:.95rem; }
.buy { border-color:var(--brand); max-width:640px; }
.buy h2, .buy h3 { margin-top:0; }
.buy p { color:var(--ink); }
.price { font-size:2rem; font-weight:800; }
.notice { background:var(--soft); border:1px solid var(--line); border-radius:12px; padding:4px 18px; margin:16px 0; }
.warn { background:var(--warn-bg); color:var(--warn); border-radius:8px; padding:8px 12px; font-size:.92rem; }
details { border-bottom:1px solid var(--line); padding:12px 0; }
summary { cursor:pointer; font-weight:600; }
details p { color:var(--muted); margin:8px 0 0; }
code { background:var(--soft); padding:1px 5px; border-radius:4px; font-size:.88em; }
footer { padding:28px 0 48px; color:var(--muted); font-size:.9rem; border-top:1px solid var(--line); }
footer p { margin:0 0 8px; }

/* tables */
.table-wrap { overflow-x:auto; border:1px solid var(--line); border-radius:10px; }
table { border-collapse:collapse; width:100%; font-size:.92rem; }
th, td { border-bottom:1px solid var(--line); padding:8px 10px; text-align:left; vertical-align:top; }
th { background:var(--soft); font-weight:700; }
tr:last-child td { border-bottom:0; }
td.num, th.num { text-align:right; font-variant-numeric:tabular-nums; white-space:nowrap; }
tfoot td { font-weight:800; background:var(--soft); }
.summary-table td:first-child { white-space:nowrap; font-weight:600; }
.facts th { width:28%; }
.facts td { overflow-wrap:anywhere; }
.src { font-size:.82rem; color:var(--muted); display:block; margin-top:3px; }
.src a { color:var(--muted); }
.tag { display:inline-block; font-size:.78rem; font-weight:700; padding:1px 7px; border-radius:20px; background:var(--soft); border:1px solid var(--line); white-space:nowrap; }
.link-grid { columns:3 220px; column-gap:24px; padding-left:18px; margin:0; }
.link-grid li { break-inside:avoid; margin:0 0 4px; }
.tag.yes { background:var(--warn-bg); color:var(--warn); border-color:transparent; }

/* calculator */
.calc { display:grid; gap:18px; }
fieldset { border:1px solid var(--line); border-radius:12px; padding:14px 16px 16px; margin:0; background:var(--card); }
legend { font-weight:700; padding:0 6px; }
.states-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(150px, 1fr)); gap:6px 12px; }
label.check { display:flex; gap:8px; align-items:center; cursor:pointer; }
.row { display:flex; gap:12px; flex-wrap:wrap; align-items:center; margin:8px 0; }
input[type=number], input[type=text], input[type=date], select, textarea { font:inherit; color:var(--ink); background:var(--bg); border:1px solid var(--line); border-radius:8px; padding:8px 10px; max-width:100%; }
input[type=number] { width:110px; }
textarea { width:100%; min-height:130px; font-family:ui-monospace, SFMono-Regular, Menlo, monospace; font-size:.9rem; }
.modes { display:flex; gap:16px; flex-wrap:wrap; margin-bottom:6px; }
.errors { color:var(--warn); font-size:.9rem; }
#results { scroll-margin-top:16px; }
.total-line { font-size:1.3rem; font-weight:800; margin:14px 0 4px; }

/* pack */
.pack h2 { margin-top:28px; }
.pack .step { margin:10px 0 14px; padding:12px 14px; border:1px solid var(--line); border-radius:10px; background:var(--card); break-inside:avoid; }
.pack .step h4 { margin:0 0 4px; font-size:1rem; display:flex; gap:10px; align-items:flex-start; }
.pack .step ul { margin:6px 0 0; padding-left:20px; }
.pack .box { width:16px; height:16px; border:2px solid var(--muted); border-radius:3px; flex:none; margin-top:4px; }
.pack .state-block { break-inside:avoid-page; }
.event-list { padding-left:0; list-style:none; }
.event-list li { padding:6px 0; border-bottom:1px solid var(--line); display:grid; grid-template-columns:110px 1fr; gap:10px; }
.event-list .d { font-variant-numeric:tabular-nums; font-weight:700; }
.matrix td, .matrix th { white-space:nowrap; }

@media print {
  .no-print, header.top, footer .no-print { display:none !important; }
  body { background:#fff; color:#000; font-size:12pt; }
  .table-wrap { overflow:visible; border:0; }
  a { color:#000; }
  .pack .step { border-color:#999; }
}
@media (max-width:560px) {
  .event-list li { grid-template-columns:1fr; gap:0; }
}
fieldset { min-width:0; }
.sources li, .sources a, .src, .pack li, .event-list span { overflow-wrap:anywhere; }

/* Pet Nutrition Facts box generator */
[hidden] { display:none !important; }
.fb-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(220px, 1fr)); gap:10px 16px; margin:8px 0; }
.fb-field { display:flex; flex-direction:column; gap:4px; }
.fb-field input, .fb-field select { width:100%; }
.fb-field .fine { font-size:.8rem; }
label.fb-stmt { align-items:flex-start; margin:6px 0; }
label.fb-stmt input { margin-top:6px; }
.fb-quote { display:block; font-size:.85rem; color:var(--muted); }
.fb-cite { color:var(--muted); font-size:.82rem; white-space:nowrap; }
.fb-preview { display:grid; grid-template-columns:repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap:20px; align-items:start; }
.fb-preview figure { margin:0; min-width:0; }
.fb-preview figcaption { font-weight:600; font-size:.92rem; margin:0 0 6px; }
.fb-svg svg { display:block; width:100%; max-width:460px; height:auto; background:#fff; border:1px solid var(--line); }
.fb-msg { border-radius:10px; padding:10px 14px; margin:10px 0; font-size:.95rem; }
.fb-msg ul { margin:6px 0 0; padding-left:20px; }
.fb-err { background:var(--warn-bg); color:var(--warn); border:1px solid var(--warn); }
.fb-warn { background:var(--warn-bg); color:var(--ink); }
.fb-note { background:var(--soft); border:1px solid var(--line); }
.fb-steps td { font-size:.86rem; overflow-wrap:anywhere; }
.fb-printsheet { display:none; }
@media print {
  body.fb-has-print .wrap > * { display:none !important; }
  body.fb-has-print .wrap > .fb-printsheet { display:block !important; }
  .fb-printsheet h1 { font-size:16pt; }
  .fb-printsheet h2 { font-size:12pt; margin:14pt 0 6pt; break-after:avoid; }
  .fb-print-svg { break-inside:avoid; }
  .fb-print-svg svg { width:auto; height:auto; max-width:100%; }
  .fb-printsheet table { font-size:8pt; }
}
/* fictional example label (dog-treat-label-requirements.html) */
.label-example { background:var(--card); border:2px dashed var(--line); border-radius:10px; padding:14px 18px; margin:12px 0; white-space:pre-wrap; overflow-x:auto; font-family:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size:.86rem; line-height:1.45; }
@media print { .label-example { border-style:solid; } }