/* Kevanto reference pages: /yield-chart and /costing-worksheet.
   Same tokens as the calculator (white workspace, cool grey canvas, coral actions, dark slate),
   tuned for reading and printing: 16px body text, 12px minimum labels, 44px touch targets. */
@font-face{font-family:Manrope;src:url('fonts/manrope-400.woff2') format('woff2');font-weight:200 800;font-display:swap}
:root{--ink:#242933;--ink-2:#3c4552;--muted:#5d6673;--line:#e3e7ec;--line-2:#d3d9e0;--canvas:#f5f6f8;--paper:#fff;--coral:#ba442d;--coral-ink:#a03a26;--peach:#fff1ec;--dark:#252b35;--mint:#e8f3ec;--mint-ink:#2e6b45;--sky:#eaf1fa;--sky-ink:#2f5687;--sand:#f7f1e3;--sand-ink:#7a5a17;
  --sans:Manrope,"Avenir Next","Segoe UI",system-ui,-apple-system,sans-serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
*{box-sizing:border-box}
html{scroll-padding-top:24px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.6;color:var(--ink);background:var(--canvas);font-synthesis:none}
a{color:var(--coral-ink)}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid #e8906f;outline-offset:2px}
button,input,select{font:inherit;color:inherit}
.skip{position:absolute;left:-999px;top:8px;background:var(--dark);color:#fff;padding:10px 14px;border-radius:6px;z-index:10}
.skip:focus{left:12px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.num{font-variant-numeric:tabular-nums}

/* top bar */
.rtop{background:var(--paper);border-bottom:1px solid var(--line)}
.rtop-in{max-width:1240px;margin:0 auto;padding:0 32px;min-height:72px;display:flex;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:25px;font-weight:800;letter-spacing:-1.1px;text-decoration:none;color:var(--ink);line-height:1;white-space:nowrap}
.brand-icon{width:30px;height:32px;display:inline-flex;align-items:center;justify-content:center;background:var(--coral);color:#fff;border-radius:8px;letter-spacing:-3px;font-size:26px;padding-right:4px}
.brand-icon>span{color:#ffcdb5}
.rnav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.rnav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:8px;text-decoration:none;color:var(--ink-2);font-size:15px;font-weight:650}
.rnav a:hover{background:var(--canvas);color:var(--ink)}
.rnav a[aria-current="page"]{background:var(--peach);color:var(--coral-ink)}

/* page frame */
.rmain{max-width:1240px;margin:0 auto;padding:36px 32px 64px}
.crumb{font-size:13px;color:var(--muted);margin:0 0 14px;display:flex;gap:10px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.lead-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:40px;align-items:start}
h1{font-size:44px;line-height:1.1;letter-spacing:-1.6px;font-weight:800;margin:0 0 16px;color:#1f2530;max-width:820px}
h1 .h1-sub{display:block;font-size:22px;letter-spacing:-.4px;font-weight:650;color:var(--ink-2);margin-top:10px;line-height:1.3}
.lede{font-size:18px;line-height:1.65;color:var(--ink-2);max-width:720px;margin:0 0 18px}
h2{font-size:28px;line-height:1.2;letter-spacing:-.7px;margin:0 0 14px;color:#1f2530}
h3{font-size:19px;line-height:1.3;letter-spacing:-.3px;margin:0 0 8px}
p{margin:0 0 14px}
.muted{color:var(--muted)}
.small{font-size:14px}
.label{font-size:12px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin:0 0 8px}

/* source / facts box beside the title */
.facts{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--coral);border-radius:10px;padding:20px 22px}
.facts dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:8px 14px;font-size:14px}
.facts dt{color:var(--muted);font-weight:650}
.facts dd{margin:0;color:var(--ink)}
.facts .btns{margin-top:18px}

.btns{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 16px;border-radius:8px;border:1px solid transparent;font-size:15px;font-weight:750;cursor:pointer;text-decoration:none;white-space:nowrap;line-height:1.2}
.btn svg{width:18px;height:18px;flex-shrink:0}
.btn-primary{background:var(--coral);color:#fff}
.btn-primary:hover{background:var(--coral-ink);color:#fff}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{background:#3a4351;color:#fff}
.btn-line{background:var(--paper);color:var(--ink-2);border-color:var(--line-2)}
.btn-line:hover{border-color:#a9b2bd;color:var(--ink)}
.btn:disabled{opacity:.5;cursor:not-allowed}

.section{margin-top:44px}
.rule{border:0;border-top:1px solid var(--line);margin:44px 0 0}

/* how-to (AP/EP explanation) */
.explain{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;background:var(--paper);border:1px solid var(--line);border-radius:10px}
.explain>div{padding:22px 24px;border-left:1px solid var(--line)}
.explain>div:first-child{border-left:0}
.explain p{font-size:15px;color:var(--ink-2)}
.term{display:inline-block;font-weight:800;font-size:13px;letter-spacing:.6px;background:var(--canvas);border:1px solid var(--line);border-radius:5px;padding:2px 8px;margin-bottom:10px;color:var(--ink)}
.formula{font-family:var(--mono);font-size:14px;background:var(--peach);color:#7e3523;border-radius:6px;padding:12px 14px;line-height:1.7;margin:4px 0 12px;overflow-wrap:anywhere}
.worked{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:32px;margin-top:22px;align-items:start}
.steps{margin:0;padding:0;list-style:none;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:0 0 14px 44px;font-size:16px;color:var(--ink-2)}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--dark);color:#fff;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}
.calc{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:6px 20px}
.calc table{width:100%;border-collapse:collapse;font-size:15px}
.calc th,.calc td{padding:11px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.calc tr:last-child th,.calc tr:last-child td{border-bottom:0}
.calc td{text-align:right;font-variant-numeric:tabular-nums;font-weight:700;white-space:nowrap;padding-left:12px}
.calc th{font-weight:600;color:var(--ink-2)}
.calc small{display:block;font-weight:500;color:var(--muted);font-size:13px}
.callout{border-left:4px solid var(--sand-ink);background:var(--sand);padding:14px 18px;border-radius:0 8px 8px 0;font-size:15px;color:#4d3a10;margin:18px 0 0}

/* chart tool */
.tool{margin-top:24px;background:var(--paper);border:1px solid var(--line);border-radius:10px}
.controls{display:grid;grid-template-columns:minmax(220px,1.3fr) auto minmax(150px,.6fr) minmax(150px,.6fr);gap:14px 18px;align-items:end;padding:18px 20px;border-bottom:1px solid var(--line)}
.field{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:700;color:var(--ink-2)}
.field input,.field select{min-height:44px;border:1px solid var(--line-2);border-radius:8px;padding:8px 12px;background:#fff;font-size:16px;font-weight:500;width:100%}
.field input:focus,.field select:focus{border-color:#c98d77}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{min-height:44px;padding:0 14px;border-radius:999px;border:1px solid var(--line-2);background:#fff;font-size:14px;font-weight:700;color:var(--ink-2);cursor:pointer}
.chip[aria-pressed="true"]{background:var(--dark);border-color:var(--dark);color:#fff}
.chip:hover{border-color:#a9b2bd}
.status-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 20px;font-size:14px;color:var(--muted);border-bottom:1px solid var(--line);flex-wrap:wrap}
.status-row b{color:var(--ink)}
.linkbtn{background:none;border:0;color:var(--coral-ink);font-weight:700;cursor:pointer;min-height:40px;padding:0 4px;text-decoration:underline}
.table-wrap{overflow-x:auto}
table.yields{width:100%;border-collapse:collapse;font-size:15px}
table.yields thead th{position:sticky;top:0;background:#fafbfc;z-index:1;text-align:left;font-size:12px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);font-weight:800;padding:12px 14px;border-bottom:1px solid var(--line-2)}
table.yields td,table.yields tbody th{padding:14px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
table.yields tbody th{font-weight:750;color:var(--ink);min-width:150px}
table.yields td.ap,table.yields td.ep{min-width:140px}
table.yields tbody tr:hover{background:#fcfcfd}
.cat{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-top:3px;letter-spacing:.2px}
.basis{display:inline-block;font-size:12px;font-weight:800;border-radius:4px;padding:1px 7px;margin-top:6px;letter-spacing:.2px}
.basis.raw{background:var(--mint);color:var(--mint-ink)}
.basis.cooked{background:var(--sky);color:var(--sky-ink)}
.basis.juice{background:var(--sand);color:var(--sand-ink)}
td.yield{white-space:nowrap;min-width:120px}
td.yield b{font-size:22px;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.bar{display:block;height:6px;background:#eef0f3;border-radius:3px;margin-top:6px;width:96px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--coral);border-radius:3px}
td.src{font-size:13px;color:var(--muted);width:34%;min-width:300px}
td.src q{display:block;font-size:14px;color:var(--ink);quotes:"\201C" "\201D";margin:2px 0;line-height:1.45}
td.src small{display:block;font-size:12px;color:var(--muted)}
td.act{white-space:nowrap}
td.act a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border:1px solid var(--line-2);border-radius:8px;text-decoration:none;font-weight:750;font-size:14px;color:var(--coral-ink);background:#fff}
td.act a:hover{border-color:var(--coral);background:var(--peach)}
.empty{padding:28px 20px;text-align:center;color:var(--muted)}
.print-only{display:none}
.mobile-hint{display:none;margin:10px 0 0}

/* notes, citation, sources */
.cols2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px}
.notes li{margin-bottom:10px;color:var(--ink-2)}
.cite{font-family:var(--mono);font-size:14px;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:14px 16px;line-height:1.7;overflow-wrap:anywhere}
.cite+.cite{margin-top:10px}
.sources{padding-left:20px}
.sources li{margin-bottom:12px;overflow-wrap:anywhere}

/* worksheet page */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line-2);margin-top:8px;flex-wrap:wrap}
.tab{min-height:46px;padding:0 18px;border:1px solid transparent;border-bottom:0;border-radius:8px 8px 0 0;background:none;font-size:15px;font-weight:750;color:var(--muted);cursor:pointer;margin-bottom:-1px}
.tab[aria-selected="true"]{background:var(--paper);border-color:var(--line-2);color:var(--ink)}
.sheet-area{background:#e9ecf0;border:1px solid var(--line-2);border-top:0;border-radius:0 0 10px 10px;padding:28px;overflow-x:auto}
.sheet{background:#fff;width:100%;max-width:980px;margin:0 auto;padding:34px 38px;box-shadow:0 1px 3px #1f253014;color:#1d222b}
.sheet[hidden]{display:none}
.sheet-head{display:flex;justify-content:space-between;align-items:flex-end;border-bottom:2px solid #1d222b;padding-bottom:10px;gap:16px}
.sheet-title{font-size:24px;font-weight:800;letter-spacing:-.6px;margin:0;line-height:1.15}
.sheet-tag{font-size:12px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:var(--muted);text-align:right}
.meta{display:grid;grid-template-columns:2fr 1fr 1fr;gap:10px 18px;margin:16px 0 18px}
.meta div{border-bottom:1px solid #9aa3ae;min-height:44px;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:4px}
.meta span{font-size:12px;font-weight:700;color:var(--muted)}
.meta b{font-size:16px;font-weight:700;min-height:22px}
table.cost{width:100%;border-collapse:collapse;font-size:14px;table-layout:fixed}
table.cost th,table.cost td{border:1px solid #aeb6bf;padding:7px 8px;vertical-align:middle}
table.cost thead th{background:#f1f3f5;font-size:12px;line-height:1.3;text-align:left;font-weight:800;color:#2b313b}
table.cost thead th small{display:block;font-weight:600;color:var(--muted);font-family:var(--mono);font-size:12px}
table.cost td{height:34px;font-variant-numeric:tabular-nums}
table.cost td.n{text-align:right;white-space:nowrap}
table.cost col.c-ing{width:26%}
table.cost col.c-epq{width:10%}
table.cost col.c-unit{width:7%}
table.cost col.c-yld{width:8%}
table.cost col.c-apq{width:10%}
table.cost col.c-app{width:13%}
table.cost col.c-epc{width:12%}
table.cost col.c-ext{width:14%}
.totals{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:26px;margin-top:18px;align-items:start}
.totals table{width:100%;border-collapse:collapse;font-size:14px}
.totals th,.totals td{border:1px solid #aeb6bf;padding:8px 10px;text-align:left}
.totals th{font-weight:700;background:#fafbfc}
.totals th small{display:block;font-family:var(--mono);font-size:12px;color:var(--muted);font-weight:500}
.totals td{width:34%;text-align:right;font-weight:800;font-variant-numeric:tabular-nums;white-space:nowrap}
.legend{font-size:13px;color:#39404b;line-height:1.6}
.legend h3{font-size:14px;margin:0 0 6px}
.legend ol{margin:0;padding-left:18px}
.notes-lines{margin-top:16px;height:112px;background:repeating-linear-gradient(to bottom,transparent 0,transparent 27px,#aeb6bf 27px,#aeb6bf 28px)}
.notes-lines span{font-size:12px;font-weight:700;color:var(--muted)}
.sheet-foot{margin-top:16px;padding-top:8px;border-top:1px solid #c5ccd4;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.license{display:flex;gap:16px;align-items:flex-start;background:var(--mint);border:1px solid #cfe5d7;border-radius:10px;padding:18px 20px;color:#204d32}
.license svg{width:28px;height:28px;flex-shrink:0;color:var(--mint-ink)}
.license p{margin:0}
.license b{color:#173a25}
.cols-col{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;background:var(--paper);border:1px solid var(--line);border-radius:10px}
.cols-col>div{padding:18px 20px;border-left:1px solid var(--line)}
.cols-col>div:first-child{border-left:0}
.cols-col p{font-size:15px;color:var(--ink-2);margin:0}
.colkey{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--coral-ink);display:block;margin-bottom:6px}
.status{min-height:24px;font-size:14px;color:var(--muted);margin:10px 0 0}

/* footer */
.rfoot{border-top:1px solid var(--line);background:var(--paper)}
.rfoot-in{max-width:1240px;margin:0 auto;padding:24px 32px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;font-size:14px;color:var(--muted)}
.rfoot-in .brand{font-size:21px;color:#7f8b9c;margin-right:auto}
.rfoot-in a:not(.brand){color:var(--ink-2);text-decoration:none;min-height:40px;display:inline-flex;align-items:center}
.rfoot-in a:not(.brand):hover{text-decoration:underline}

@media screen and (max-width:1100px){
  .lead-grid{grid-template-columns:1fr;gap:24px}
  .controls{grid-template-columns:1fr 1fr}
  .controls .field-search{grid-column:1 / -1}
  .controls .chips-field{grid-column:1 / -1}
  .cols-col{grid-template-columns:1fr 1fr}
  .cols-col>div:nth-child(3){border-left:0}
  .cols-col>div:nth-child(n+3){border-top:1px solid var(--line)}
}
@media screen and (max-width:760px){
  body{font-size:16px}
  .rtop-in{padding:10px 16px;flex-wrap:wrap;gap:6px 12px;min-height:0}
  .brand{font-size:23px;min-height:44px}
  .rnav{margin-left:0;width:100%;gap:2px;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  .rnav a{padding:0 10px;font-size:14px;white-space:nowrap}
  .rmain{padding:22px 16px 48px}
  h1{font-size:31px;letter-spacing:-1px}
  h1 .h1-sub{font-size:18px}
  .lede{font-size:17px}
  h2{font-size:24px}
  .explain{grid-template-columns:1fr}
  .explain>div{border-left:0;border-top:1px solid var(--line);padding:18px}
  .explain>div:first-child{border-top:0}
  .worked,.cols2,.totals{grid-template-columns:1fr;gap:20px}
  .controls{grid-template-columns:1fr 1fr;padding:16px;gap:12px}
  .status-row{padding:10px 16px}
  table.yields thead{display:none}
  table.yields,table.yields tbody,table.yields tr,table.yields td,table.yields tbody th{display:block;width:100%}
  table.yields tr{padding:14px 16px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 12px}
  table.yields tr[hidden]{display:none}
  table.yields td,table.yields tbody th{padding:0;border:0;max-width:none}
  table.yields tbody th{grid-column:1;min-width:0}
  table.yields td.yield{grid-column:2;grid-row:1 / span 2;text-align:right;min-width:0}
  table.yields td.yield .bar{margin-left:auto;width:72px}
  table.yields td.ap,table.yields td.ep{grid-column:1 / -1;font-size:15px}
  table.yields td.ap::before,table.yields td.ep::before{content:attr(data-label) ": ";font-weight:700;color:var(--muted);font-size:13px}
  table.yields td.src{grid-column:1 / -1;margin-top:6px}
  table.yields td.act{grid-column:1 / -1;margin-top:6px}
  table.yields td.act a{width:100%;justify-content:center}
  .mobile-hint{display:block}
  .sheet-area{padding:12px}
  .sheet{padding:20px 16px;min-width:640px}
  .cols-col{grid-template-columns:1fr}
  .cols-col>div{border-left:0;border-top:1px solid var(--line)}
  .cols-col>div:first-child{border-top:0}
  .rfoot-in{padding:20px 16px}
  .btns .btn{flex:1 1 auto}
}
@media (prefers-reduced-motion:no-preference){.btn,.chip,td.act a,.rnav a{transition:background .15s,border-color .15s,color .15s}}

/* print */
@media print{
  @page{size:letter;margin:0.5in}
  body{background:#fff;font-size:10pt;color:#000}
  .rtop,.rfoot,.skip,.no-print,.controls,.status-row .linkbtn,td.act,th.act,.tabs,.facts .btns,.btns{display:none!important}
  .rmain{padding:0;max-width:none}
  .print-only{display:block}
  a{color:#000;text-decoration:none}
  h1{font-size:20pt;margin-bottom:6pt}
  h1 .h1-sub{font-size:12pt}
  .lede{font-size:10.5pt;margin-bottom:8pt}
  .lead-grid{display:block}
  .facts{border:1px solid #999;border-top:2px solid #000;padding:8pt 10pt;margin:6pt 0 10pt}
  .facts dl{font-size:9pt;gap:2pt 10pt}
  .section{margin-top:14pt}
  h2{font-size:14pt;margin-bottom:6pt}
  .tool{border:0;margin-top:6pt}
  .status-row{padding:0 0 4pt;border:0;font-size:9pt}
  .table-wrap{overflow:visible}
  table.yields{font-size:8.5pt}
  table.yields thead th{position:static;font-size:7.5pt;padding:4pt 5pt;background:#eee!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  table.yields td,table.yields tbody th{padding:4pt 5pt}
  table.yields tbody th{min-width:0}
  table.yields tr{break-inside:avoid}
  td.yield b{font-size:11pt}
  .bar{display:none}
  td.src{max-width:none;font-size:7.5pt}
  td.src q{font-size:7.5pt}
  td.src small{font-size:7pt}
  .basis{border:1px solid #888;background:none!important;color:#000!important;font-size:7pt}
  .explain,.calc,.cite{border:1px solid #999}
  .explain p,.steps li,.notes li{font-size:9.5pt}
  .formula{background:none;border:1px solid #999;color:#000;font-size:8.5pt}
  .steps li::before{background:#000!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  /* worksheet: print only the selected sheet */
  .ws-page .rmain>*:not(.sheet-section){display:none!important}
  .ws-page .sheet-section>*:not(.sheet-area){display:none!important}
  .ws-page .sheet-area{background:none;border:0;padding:0}
  .ws-page .sheet{box-shadow:none;padding:0;max-width:none;min-width:0}
  .ws-page table.cost{font-size:9pt}
  .ws-page table.cost th,.ws-page table.cost td{padding:4pt 5pt}
  .ws-page table.cost td{height:22pt}
  .ws-page table.cost thead th{background:#eee!important;-webkit-print-color-adjust:exact;print-color-adjust:exact;font-size:7.5pt}
  .ws-page .legend{font-size:8pt}
  .ws-page .totals th,.ws-page .totals td{font-size:8.5pt;padding:2.5pt 6pt}
  .ws-page .totals th small{font-size:7pt}
  .ws-page .totals{margin-top:8pt;gap:14pt}
  .ws-page .sheet-title{font-size:17pt}
  .ws-page .meta{margin:8pt 0 10pt;gap:4pt 14pt}
  .ws-page .meta div{min-height:24pt}
  .ws-page table.cost td{height:15.5pt;padding-top:2pt;padding-bottom:2pt}
  .ws-page .notes-lines{height:44px;margin-top:6pt;background:repeating-linear-gradient(to bottom,transparent 0,transparent 21px,#aeb6bf 21px,#aeb6bf 22px)}
  .ws-page .sheet-foot{margin-top:8pt;font-size:7.5pt}
  table.yields .cat{font-size:7pt}
}