/* Ear Notching Practice: a 4-H swine barn. A pale pig-pink ground, deep aubergine ink, a teal accent the colour of
   livestock marking paint, and a humanist sans for headings, like a fair-board sign. Question numbers sit on an
   ear-tag shape. The pigs are drawn in their own colours in both themes; on paper everything is black on white, the
   hatched band in grey with dark hatching, so it prints with background graphics off. */
:root {
  --bg: #fbf3f1;
  --paper: #fffdfc;
  --ink: #2b1d24;
  --muted: #5e4c55;
  --line: #ead7d2;
  --edge: #937c83;
  --accent: #0d6b61;
  --accent-ink: #ffffff;
  --accent-soft: #dcefeb;
  --info: #1d5591;
  --ok: #17693c;
  --ok-soft: #dcefe2;
  --close: #7a5200;
  --close-soft: #f6ecd2;
  --bad: #a3241d;
  --bad-soft: #f9e1dd;
  --focus: #1b5fd0;
  --pig-skin: #f6d6d0;
  --pig-snout: #eab4ab;
  --pig-line: #2b1d24;
  --pig-band: #ead2cc;
  --pig-hatch: #9b7f79;
  --pig-val: #0d6b61;
  --head: "Gill Sans", "Gill Sans MT", Seravek, "Trebuchet MS", Calibri, system-ui, sans-serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
  --r: 8px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1519;
    --paper: #2a2026;
    --ink: #f3e6e9;
    --muted: #c3aeb6;
    --line: #45363d;
    --edge: #7f6a72;
    --accent: #5fd0c0;
    --accent-ink: #0b2522;
    --accent-soft: #163a35;
    --info: #9cc0f2;
    --ok: #8adca6;
    --ok-soft: #173424;
    --close: #f0c56b;
    --close-soft: #382d14;
    --bad: #ff9c8f;
    --bad-soft: #3e1f1d;
    --focus: #8ab8ff;
    --pig-skin: #e9c1ba;
    --pig-snout: #d79d94;
    --pig-line: #1d1519;
    --pig-band: #d8b1aa;
    --pig-hatch: #7a5b56;
    --pig-val: #5fd0c0;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.55 var(--sans); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
a { color: var(--info); text-underline-offset: 2px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--paper); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--head); line-height: 1.15; font-weight: 700; }
.hero { padding: 22px 0 10px; }
.hero h1 { font-size: clamp(30px, 6vw, 44px); margin: 0 0 6px; letter-spacing: -0.005em; }
.lede { margin: 0; max-width: 62ch; color: var(--muted); }

/* ---------- controls ---------- */
.tool { display: grid; gap: 12px; }
.setup { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; padding: 12px 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); }
.setup label { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
select, input { font: inherit; font-size: 16px; color: var(--ink); background: var(--paper); border: 1px solid var(--edge); border-radius: var(--r); min-height: 44px; padding: 6px 10px; }
.tk select { max-width: min(58vw, 230px); }
.btn { font: 600 16px var(--sans); min-height: 44px; padding: 8px 16px; border-radius: var(--r); border: 1px solid var(--edge); background: var(--paper); color: var(--ink); cursor: pointer; }
.btn:hover { border-color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.small { min-height: 44px; padding: 6px 16px; font-size: 15.5px; }
.link { font: inherit; background: none; border: 0; color: var(--info); text-decoration: underline; text-underline-offset: 2px; cursor: pointer; min-height: 44px; padding: 0 4px; }

/* ---------- rules panel ---------- */
.rules { border-bottom: 1px solid var(--line); }
.rules summary { cursor: pointer; font-weight: 600; min-height: 44px; display: flex; align-items: center; }
.rules-in { display: flex; flex-wrap: wrap; gap: 6px 24px; align-items: flex-start; padding-bottom: 12px; }
.rules-in svg.ref { flex: 0 1 330px; width: 330px; max-width: 100%; height: auto; }
.rl { flex: 1 1 320px; margin: 0; padding-left: 20px; font-size: 15.5px; line-height: 1.45; }
.rl li { margin: 0 0 6px; }
.rl .src { color: var(--muted); font-size: 14px; }

/* ---------- the pigs ---------- */
svg.pig { display: block; width: 100%; max-width: 470px; height: auto; }
svg.pig .ear, svg.pig .head { fill: var(--pig-skin); stroke: var(--pig-line); stroke-width: 2.6; stroke-linejoin: round; }
svg.pig .snout, svg.pig .rump { fill: var(--pig-snout); stroke: var(--pig-line); stroke-width: 2.2; }
svg.pig .rump { fill: var(--pig-skin); stroke-width: 2.6; }
svg.pig .tail { fill: none; stroke: var(--pig-line); stroke-width: 2.6; stroke-linecap: round; }
svg.pig .nostril, svg.pig .eye { fill: var(--pig-line); }
svg.pig .brow { fill: none; stroke: var(--pig-line); stroke-width: 2.2; stroke-linecap: round; }
svg.pig .nz { fill: var(--pig-band); }
svg.pig .hatch { fill: none; stroke: var(--pig-hatch); stroke-width: 1.4; }
svg.pig .notch { fill: var(--paper); stroke: var(--pig-line); stroke-width: 2.6; stroke-linejoin: miter; }
svg.pig .cut { fill: var(--paper); }
svg.pig .val { font: 700 16px var(--sans); fill: var(--pig-val); }
svg.pig .elab { font: 700 16px var(--sans); fill: var(--ink); }
svg.pig .elab.sub { font-weight: 500; fill: var(--muted); }
svg.pig .view { font: italic 600 16px var(--sans); fill: var(--muted); }
svg.pig .tagc { fill: var(--paper); stroke: var(--ink); stroke-width: 2.2; }
svg.pig .tag { font: 700 21px var(--sans); fill: var(--ink); }
svg.pig.sm .elab, svg.pig.sm .view { font-size: 19px; }
svg.pig.sm .elab.sub { font-size: 18px; }
svg.pig .hit { fill: transparent; stroke: var(--accent); stroke-width: 1.6; stroke-dasharray: 3 4; cursor: pointer; opacity: 0.55; }
svg.pig .hit:hover { fill: var(--accent-soft); opacity: 0.8; }
.pf { margin: 0; }
.pf figcaption { font-size: 14.5px; color: var(--muted); margin-top: 2px; }

/* ---------- the questions ---------- */
.note { margin: 0 0 10px; padding: 10px 12px; border: 1px solid var(--bad); background: var(--bad-soft); border-radius: var(--r); font-size: 16px; overflow-wrap: anywhere; }
.note.info { border-color: var(--info); background: var(--paper); }
.sheet:focus { outline: none; }
.sheet-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 14px; }
.sheet-head h2 { font-size: 24px; margin: 6px 0 0; }
.code { font-family: var(--mono); letter-spacing: 0.06em; }
.score { margin: 0; color: var(--muted); font-size: 15px; }
.sline { margin: 2px 0 12px; color: var(--muted); font-size: 14.5px; }
.qs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr)); gap: 16px; align-items: start; }
.q { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px 12px; min-width: 0; }
.q-mates, .q-pen, .q-nums { grid-column: 1 / -1; }
.q h3 { margin: 0; font-size: 20px; display: flex; align-items: center; gap: 10px; }
/* the question number on an ear tag */
.qn { position: relative; display: inline-flex; align-items: center; min-height: 32px; padding: 3px 12px 3px 24px; border-radius: 6px 14px 14px 6px; background: var(--accent); color: var(--accent-ink); font: 700 17px/1.1 var(--head); }
.qn::before { content: ""; position: absolute; left: 9px; top: 50%; width: 7px; height: 7px; margin-top: -3.5px; border-radius: 50%; background: var(--paper); }
.scen { margin: 4px 0 6px; color: var(--muted); max-width: 70ch; }
.fig { min-width: 0; }
.pen { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 8px 16px; }
/* two pigs across from 480 px up: each pig stays at least about 210 px wide, so a notch is still about 9 px */
@media (min-width: 480px) and (max-width: 760px) { .pen { grid-template-columns: 1fr 1fr; gap: 6px 10px; } }
.pen svg.pig { max-width: 360px; }
.q-pen .fig, .q-mates .fig { margin-bottom: 4px; }

.qparts { display: grid; gap: 10px; margin-top: 8px; }
.part { border: 0; margin: 0; padding: 0; min-width: 0; }
.part .prompt, .part legend { display: block; font-weight: 600; font-size: 16px; line-height: 1.3; margin: 0 0 4px; padding: 0; }
input.pin { width: 6.5em; font: 700 20px var(--sans); text-align: center; }
input.pin.is-right { border-color: var(--ok); background: var(--ok-soft); }
input.pin.is-wrong { border-color: var(--bad); background: var(--bad-soft); }
input.pin.is-close, input.pin.is-unread { border-color: var(--close); background: var(--close-soft); }
.pair { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; }
.pairbox { display: grid; gap: 4px; min-width: 0; }
.pairbox label { font-weight: 600; font-size: 15px; line-height: 1.25; max-width: 11em; }
.pair .dash { font: 700 28px var(--sans); padding-bottom: 4px; }
.pair input.pin { width: 5em; font-size: 22px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; min-width: 60px; padding: 4px 12px; border: 1px solid var(--edge); border-radius: var(--r); background: var(--paper); color: var(--ink); font: 600 17px var(--sans); cursor: pointer; }
.chip .cnt { font: 800 15px/1 var(--sans); letter-spacing: -0.06em; color: var(--accent); min-width: 1.4em; }
.chip.on { border-color: var(--accent); background: var(--accent-soft); }
.chip.place { min-width: 64px; flex: 1 0 auto; justify-content: space-between; gap: 6px; padding: 4px 8px; }
.chip.place b { display: grid; font-size: 15px; line-height: 1.1; text-align: left; }
.chip.place small { font-size: 13px; font-weight: 500; color: var(--muted); }
.part.ear.is-right .chips { outline: 2px solid var(--ok); outline-offset: 3px; border-radius: var(--r); }
.part.ear.is-wrong .chips { outline: 2px solid var(--bad); outline-offset: 3px; border-radius: var(--r); }
.opts { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); gap: 6px; }
.opts.pens { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
.opt { display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 6px 10px; border: 1px solid var(--line); border-radius: var(--r); cursor: pointer; line-height: 1.3; }
.opt input { width: 20px; height: 20px; min-height: 0; margin: 0; accent-color: var(--accent); flex: none; }
.part.is-right .opts { outline: 2px solid var(--ok); outline-offset: 3px; border-radius: var(--r); }
.fbwrap:empty { display: none; }
.fb { margin: 4px 0 0; font-size: 15px; line-height: 1.4; padding: 4px 8px; border-radius: var(--r); }
.fb.right { color: var(--ok); background: var(--ok-soft); }
.fb.wrong { color: var(--bad); background: var(--bad-soft); }
.fb.close, .fb.unread { color: var(--close); background: var(--close-soft); }
.qfoot { display: flex; gap: 10px; align-items: center; }
details.work { border-top: 1px dashed var(--line); padding-top: 2px; }
details.work summary { cursor: pointer; color: var(--info); min-height: 44px; display: flex; align-items: center; font-weight: 600; }
.keyfig { margin: 4px 0 8px; }
.keyfig.two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ans { margin: 6px 0 2px; }
.steps { margin: 2px 0 4px; padding-left: 20px; color: var(--muted); font-size: 15px; }
.sheet-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin: 16px 0 6px; }
.ask { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; background: var(--accent-soft); padding: 6px 10px; border-radius: var(--r); }
.share { margin: 16px 0 6px; padding-top: 12px; border-top: 1px solid var(--line); }
.print-row { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }
.print-row label { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.print-row select { max-width: 100%; }
.share-out label { display: grid; gap: 4px; font-weight: 600; margin-top: 8px; }
.share-out input { width: 100%; }
.recent { margin-top: 12px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); padding: 4px 12px; }
.recent summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; font-weight: 600; }
.recent ul { list-style: none; margin: 0; padding: 0; }
.recent li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 6px 0; border-top: 1px solid var(--line); }
.recent small { display: block; color: var(--muted); font-size: 14px; }
.hint { color: var(--muted); font-size: 14px; }
.toast { position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%) translateY(150%); background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: var(--r); max-width: min(92vw, 520px); width: max-content; font-size: 16px; transition: transform 0.2s; z-index: 20; pointer-events: none; }
.toast.on { transform: translateX(-50%) translateY(0); }
@media (prefers-reduced-motion: reduce) { .toast { transition: none; } }

/* ---------- content ---------- */
.content { max-width: 72ch; padding: 26px 0 20px; }
.content h2 { font-size: 25px; margin: 26px 0 6px; }
.tasks { padding-left: 24px; }
.tasks li { margin-bottom: 4px; }
.faq details { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; padding: 10px 0; min-height: 44px; }
.faq p { margin: 0 0 12px; }
.sources { font-size: 15px; color: var(--muted); }
footer { border-top: 1px solid var(--line); padding: 16px 0 28px; font-size: 15px; color: var(--muted); }
.indep { margin: 0 0 10px; }
.sb-footer p { margin: 6px 0; }
.sb-more { line-height: 1.8; }
.print-root { display: none; }

@media (max-width: 600px) {
  .q { padding: 10px 10px 10px; border-radius: 10px; }
  .q h3 { font-size: 18px; }
  .hero { padding-top: 14px; }
  .lede { font-size: 16px; }
  .chip { min-width: 52px; padding: 4px 10px; }
  .keyfig.two { grid-template-columns: 1fr; }
}

/* ---------- print ---------- */
@media print {
  :root { --ink: #000; --muted: #333; --line: #999; --paper: #fff; --edge: #555;
    --pig-skin: #fff; --pig-snout: #fff; --pig-line: #000; --pig-band: #e4e4e4; --pig-hatch: #444; --pig-val: #000; }
  @page { margin: 12mm 12mm; }
  body { background: #fff; color: #000; font: 10.5pt/1.36 var(--sans); }
  main, footer, .toast, .skip { display: none !important; }
  .print-root { display: block; }
  svg.pig { print-color-adjust: exact; -webkit-print-color-adjust: exact; max-width: none; }
  svg.pig .ear, svg.pig .head { stroke-width: 2.4; }
  svg.pig .notch { stroke-width: 2.6; }
  svg.pig .elab, svg.pig .val { font-size: 17px; }
  table.pt { width: 100%; border-collapse: collapse; }
  table.pt > tbody > tr > td, table.pt > thead > tr > td { padding: 0; }
  .prun { font: 8.5pt var(--sans); color: #444; text-align: right; padding-bottom: 5pt !important; }
  .ph { display: flex; justify-content: space-between; align-items: flex-end; gap: 10pt; border-bottom: 2pt solid #000; margin-bottom: 4pt; padding-bottom: 2pt; break-after: avoid; page-break-after: avoid; }
  .ph h2 { font: 700 17pt var(--head); margin: 0; white-space: nowrap; }
  .ph p { margin: 0; font-size: 9pt; text-align: right; }
  .pmeta { display: flex; justify-content: space-between; gap: 12pt; margin: 6pt 0 4pt; }
  .phow { margin: 0 0 4pt; font-size: 10pt; }
  .pgs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 8mm; }
  .pg { padding: 5pt 0 7pt; border-bottom: 0.75pt solid #999; break-inside: avoid; page-break-inside: avoid; min-width: 0; }
  .pg.wide { grid-column: 1 / -1; }
  .pg h3 { font: 700 11.5pt var(--head); margin: 0 0 2pt; }
  .pscen { margin: 0 0 3pt; font-size: 10pt; }
  .pg svg.pig { width: 100%; max-width: 70mm; margin: 0 auto; }
  .pnotch { margin: 0 0 1pt; font-size: 11pt; }
  .pnotch b { font-size: 13pt; }
  .ppen { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 6mm; }
  .ppen svg.pig { max-width: 54mm; }
  /* a pen of four prints two by two: at four across a notch near the tip could not be told from one on the other edge (QA) */
  .ppen.n4 { grid-template-columns: repeat(2, 1fr); gap: 0 10mm; justify-items: center; }
  .ppen.n4 svg.pig { max-width: 56mm; }
  .pl { margin: 3pt 0 0; font-size: 10.5pt; }
  .pl.big { font-size: 12pt; }
  .blank { display: inline-block; width: 30mm; border-bottom: 0.9pt solid #000; height: 1em; vertical-align: baseline; }
  .blank.s { width: 16mm; }
  .pl p { margin: 0 0 2pt; }
  .popts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 1pt 6mm; font-size: 10pt; }
  .pbox { display: inline-block; width: 3mm; height: 3mm; border: 0.9pt solid #000; margin-right: 2mm; vertical-align: -0.3mm; }
  .pkey { break-before: page; page-break-before: always; }
  .psheet + .psheet { break-before: page; page-break-before: always; }
  .pks { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 8mm; }
  .pk { padding: 4pt 0 5pt; border-bottom: 0.75pt solid #999; break-inside: avoid; page-break-inside: avoid; min-width: 0; }
  .pk h3 { font: 700 11pt var(--head); margin: 0 0 2pt; }
  .pkfig { display: flex; gap: 3mm; }
  .pkfig svg.pig, .pkfig .pf { width: 100%; max-width: 50mm; }
  .pkfig .pf figcaption { font-size: 8.5pt; color: #000; }
  table.pkt { width: 100%; border-collapse: collapse; font-size: 9pt; margin-top: 2pt; table-layout: fixed; }
  table.pkt td { border-top: 0.5pt solid #bbb; padding: 1.5pt 3pt; vertical-align: top; overflow-wrap: anywhere; }
  table.pkt td.pkq { width: 30%; }
  table.pkt td.pka { width: 16%; font-weight: 700; }
  table.pkt.long td.pkq { width: 24%; }
  table.pkt.long td.pka { width: 38%; }
}
@media print {
  /* keys of a class set run on from each other */
  .pkey + .pkey { break-before: auto; page-break-before: auto; margin-top: 8pt; }
}