/* Break-Even Practice: an accountant's ledger. A pale green-grey page, ink-black type with tabular figures, a
   bottle-green accent for actions and the profit side, oxblood for loss, and a double rule (the ledger's total line)
   under the title and the setup. Charts are white graph paper in both themes, as on paper; on paper the lines print
   black and are told apart by their labels. */
:root {
  --bg: #eef2ee;
  --paper: #ffffff;
  --ink: #18201b;
  --muted: #4a564e;
  --line: #cfd9d1;
  --edge: #6b7a70;
  --accent: #1d6146;
  --accent-ink: #ffffff;
  --accent-soft: #dcebe2;
  --loss: #8f2433;
  --info: #1f5872;
  --ok: #1a6a3d;
  --ok-soft: #dcf0e2;
  --close: #7a5300;
  --close-soft: #f6ecd2;
  --bad: #a3241d;
  --bad-soft: #f8e0dd;
  --focus: #b8326a;
  --head: "Charter", "Bitstream Charter", "Sitka Text", Cambria, "Iowan Old Style", 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: 2px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121714;
    --paper: #1b221d;
    --ink: #e3ebe5;
    --muted: #a5b4aa;
    --line: #2e3a32;
    --edge: #76867b;
    --accent: #6fcf9f;
    --accent-ink: #08170f;
    --accent-soft: #1d3327;
    --loss: #f08f9c;
    --info: #96cbe4;
    --ok: #8adca6;
    --ok-soft: #14301f;
    --close: #f0c56b;
    --close-soft: #352a12;
    --bad: #ff9c8f;
    --bad-soft: #3a1c18;
    --focus: #f59ac0;
  }
}
* { 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); font-variant-numeric: tabular-nums; }
.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; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
h1, h2, h3 { font-family: var(--head); line-height: 1.15; font-weight: 700; }

/* ---------- title: a double rule like a ledger total, a small break-even chart beside it ---------- */
.hero { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; padding: 22px 0 12px; border-bottom: 4px double var(--ink); margin-bottom: 14px; }
.hero h1 { font-size: clamp(28px, 4.4vw, 42px); margin: 0 0 6px; letter-spacing: -0.01em; max-width: 22ch; }
.lede { margin: 0; max-width: 64ch; }
.mark { flex: none; width: 118px; height: 80px; }
.mark path { fill: none; stroke-width: 3.5; stroke-linecap: round; }
.mark .ax { stroke: var(--edge); stroke-width: 2.5; }
.mark .tr { stroke: var(--accent); }
.mark .tc { stroke: var(--loss); }
.mark .fc { stroke: var(--muted); stroke-dasharray: 3 5; }
.mark circle { fill: var(--ink); }

/* ---------- setup ---------- */
.tool { display: grid; gap: 14px; grid-template-columns: 1fr; align-items: start; }
.setup { background: var(--paper); padding: 10px 14px 2px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 16px; align-items: end; border-top: 3px solid var(--accent); }
.courses { grid-column: 1; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
legend { font: 600 14px var(--sans); color: var(--muted); padding: 0; margin-bottom: 4px; }
.seg { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0; border: 1px solid var(--edge); border-radius: var(--r); overflow: hidden; }
.seg label { position: relative; min-width: 0; }
.seg label + label { border-left: 1px solid var(--edge); }
.seg input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.seg span { display: flex; align-items: center; justify-content: center; text-align: center; min-height: 48px; padding: 4px 6px; font: 600 15px var(--sans); line-height: 1.15; color: var(--ink); background: var(--paper); }
.seg input:checked + span { background: var(--accent); color: var(--accent-ink); }
.seg input:focus-visible + span { outline: 3px solid var(--focus); outline-offset: -3px; }
.ctl { grid-column: 2; display: flex; gap: 10px; align-items: end; }
.fld { display: grid; gap: 2px; min-width: 0; }
.fld select { width: 100%; min-width: 0; }
.fld span { font: 600 14px var(--sans); color: var(--muted); }
.more { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 0 22px; }
.more details[open] { flex-basis: 100%; }
.tdet summary, .rules summary { cursor: pointer; font-weight: 600; min-height: 44px; padding: 10px 0; display: list-item; }
.tsum { font-weight: 400; color: var(--muted); font-size: 15px; }
.toggles { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 6px; padding: 2px 0 10px; }
.tg { display: flex; gap: 8px; align-items: flex-start; padding: 8px; border: 1px solid var(--line); border-radius: var(--r); cursor: pointer; min-height: 44px; }
.tg input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--accent); flex: none; }
.tg b { display: block; font-weight: 600; font-size: 15.5px; }
.tg small { display: block; color: var(--muted); font-size: 14px; line-height: 1.3; }
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; max-width: 100%; }
.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: 40px; padding: 6px 14px; font-size: 15px; }
.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; }
.rl { margin: 0 0 10px; padding-left: 20px; font-size: 15.5px; line-height: 1.45; }
.rl li { margin: 0 0 4px; }

/* ---------- the sheet ---------- */
.note { margin: 0 0 10px; padding: 10px 12px; border: 1px solid var(--bad); background: var(--bad-soft); font-size: 16px; border-radius: var(--r); }
#store-note { 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: 28px; 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 10px; color: var(--muted); font-size: 15px; }
.qs { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 18px; }
.q { background: var(--paper); border-bottom: 3px double var(--line); min-width: 0; }
.qhead { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 14px 0; }
.q h3 { margin: 0; font-size: 22px; display: flex; align-items: baseline; gap: 10px; }
.qn { font: 700 15px var(--mono); color: var(--accent-ink); background: var(--accent); min-width: 1.8em; padding: 2px 6px; text-align: center; border-radius: var(--r); }
.scen { margin: 6px 14px 8px; max-width: 75ch; }
.figview { padding: 0 14px; min-width: 0; }
.qparts { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 10px 14px 14px; }
.zoom { display: none; min-height: 40px; padding: 4px 12px; white-space: nowrap; }

/* ---------- drawings: white like paper in both themes ---------- */
.dw { color: #18201b; max-width: 100%; }
svg.doc { display: block; background: #fff; }
svg.chart { width: 100%; max-width: 640px; height: auto; border: 1px solid #c4d1c8; }
svg.chart.phone { display: none; max-width: 460px; }
.phone .tx, .phone .ty { font-size: 25px; }
.phone .al { font-size: 25px; }
.phone .ll.tag { font-size: 25px; }
.phone .area text { font-size: 25px; } /* at least 9 px at 320 px wide, like every phone chart text (builder 2026-10-28) */
.tagl { stroke: #18201b; stroke-width: 1.5; }
.tagkey { display: none; margin: 4px 0 0; font-size: 14.5px; color: var(--muted); }
.gmin { stroke: #dde8e0; stroke-width: 1; }
.gmaj { stroke: #9dbaa6; stroke-width: 1.3; }
.ax { stroke: #18201b; stroke-width: 2; }
.ax.zero { stroke-width: 2.4; }
.tx, .ty { fill: #18201b; font: 19px "Helvetica Neue", Arial, sans-serif; }
.al { fill: #18201b; font: 600 18px "Helvetica Neue", Arial, sans-serif; }
.ln line { stroke-width: 3; stroke-linecap: round; }
.ln-tr line, .ln-tr2 line, .ln-pv line { stroke: #1d6146; }
.ln-tc line, .ln-tc2 line { stroke: #8f2433; }
.ln-fc line, .ln-fc2 line { stroke: #3d4a42; }
.ln.dash line { stroke-dasharray: 11 6; }
.ll { font: 700 18px "Helvetica Neue", Arial, sans-serif; paint-order: stroke; stroke: #fff; stroke-width: 4px; stroke-linejoin: round; }
.ll-tr, .ll-tr2, .ll-pv { fill: #17533b; } .ll-tc, .ll-tc2 { fill: #8f2433; } .ll-fc, .ll-fc2 { fill: #3d4a42; }
.area circle { fill: #fff; stroke: #18201b; stroke-width: 1.6; }
.area text { font: 700 17px "Helvetica Neue", Arial, sans-serif; fill: #18201b; }
.aloss { fill: #8f2433; fill-opacity: 0.16; }
.aprof { fill: #1d6146; fill-opacity: 0.18; }
.k1, .k2 { fill: none; stroke-width: 2.2; }
.k1 { stroke: #b8326a; stroke-dasharray: 8 5; }
.k2 { stroke: #1f5872; stroke-dasharray: 12 4 3 4; }
.kd { fill: #b8326a; }
.kd2 { fill: #1f5872; }
.kmos line, .kmos path { stroke: #18201b; stroke-width: 2.2; fill: none; }
.kgap { stroke: #c27b00; stroke-width: 6; stroke-linecap: butt; }
.kdash { stroke: #18201b; stroke-width: 2.4; stroke-dasharray: 8 5; }
.gscale { margin: 4px 0 0; font-size: 14.5px; color: var(--muted); }
.klg { list-style: none; margin: 6px 0 0; padding: 0; font-size: 15px; display: grid; gap: 2px; }
.klg li { display: block; }
.klg li > svg, .klg li > span { display: inline-block; vertical-align: middle; margin-right: 6px; }
.ksw { width: 34px; height: 12px; flex: none; background: #fff; }
.kmossw { display: inline-block; width: 34px; text-align: center; font-weight: 700; }
.kdot { display: inline-block; width: 11px; height: 11px; border-radius: 50%; background: #b8326a; margin: 0 11px; }
.kar { display: inline-block; width: 22px; height: 12px; flex: none; }
.kar-l { background: rgba(143, 36, 51, 0.28); } .kar-p { background: rgba(29, 97, 70, 0.3); }
.tw { max-width: 100%; overflow-x: auto; }
.tw.tv { display: none; }
@media screen and (max-width: 480px) {
  .tw.tv { display: block; }
  .tw.th { display: none; }
  .tw.tv table.doc th[scope="row"] { text-align: right; }
}
table.doc { border-collapse: collapse; background: #fff; color: #18201b; font-size: 15.5px; border: 1.5px solid #18201b; margin-bottom: 8px; }
table.doc th, table.doc td { border: 1px solid #b4c4b9; padding: 4px 6px; text-align: right; white-space: nowrap; font-size: 14.5px; }
table.doc th[scope="row"] { text-align: left; background: #eef3ef; font-weight: 600; }
table.doc thead th[scope="col"] { background: #eef3ef; }
table.doc td.blank { text-align: center; font-weight: 700; background: #fff8e2; }
table.doc td.was { font-weight: 700; }

/* answer boxes */
.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-bottom: 4px; color: var(--ink); }
.ain { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.ain input { width: 9em; max-width: 100%; }
.ain .unit, .ain .pre { color: var(--muted); }
.ain .pre { font-weight: 600; }
.opts { display: flex; flex-wrap: wrap; gap: 6px; }
.opt { display: flex; gap: 8px; align-items: center; min-height: 44px; padding: 6px 12px; border: 1px solid var(--line); border-radius: var(--r); cursor: pointer; }
.opt input { width: 20px; height: 20px; margin: 0; accent-color: var(--accent); flex: none; min-height: 0; }
.part.is-right input[inputmode] { border-color: var(--ok); background: var(--ok-soft); }
.part.is-wrong input[inputmode] { border-color: var(--bad); background: var(--bad-soft); }
.part.is-close input[inputmode], .part.is-unread input[inputmode] { border-color: var(--close); background: var(--close-soft); }
.part.is-right .opt:has(input:checked) { border-color: var(--ok); background: var(--ok-soft); }
.part.is-wrong .opt:has(input:checked) { border-color: var(--bad); background: var(--bad-soft); }
.fb { margin: 4px 0 0; font-size: 15px; line-height: 1.4; padding: 4px 8px; }
.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 { margin-top: 2px; border-top: 1px dashed var(--line); padding-top: 4px; min-width: 0; }
details.work summary { cursor: pointer; color: var(--info); min-height: 44px; display: flex; align-items: center; font-weight: 600; }
details.work .figview { padding: 0; margin: 6px 0 8px; }
.ans { margin: 8px 0 2px; }
ul.steps { margin: 0 0 4px; padding-left: 20px; color: var(--muted); font-size: 15.5px; }
.sheet-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin: 14px 0 6px; }
.ask { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; background: var(--accent-soft); padding: 6px 10px; }
.share { margin: 16px 0 6px; }
.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; max-width: 100%; }
.print-row select { max-width: 100%; min-width: 0; }
.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); 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: 15px; margin: 0; }
.toast { position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%) translateY(150%); background: var(--ink); color: var(--paper); padding: 10px 16px; max-width: min(92vw, 520px); font-size: 15.5px; 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: 27px; margin: 26px 0 6px; }
table.ref { border-collapse: collapse; font-size: 15px; background: var(--paper); }
table.ref caption { text-align: left; color: var(--muted); font-size: 14.5px; padding-bottom: 4px; }
table.ref th, table.ref td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
table.ref thead th { font-size: 14px; color: var(--muted); }
.small { font-size: 15.5px; color: var(--muted); }
.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: 4px double 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 (min-width: 900px) {
  .qparts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 22px; }
  .qparts .qfoot, .qparts details.work, .qparts .part.wide { grid-column: 1 / -1; }
}
/* wide screens: the answers sit beside the chart, as on the printed sheet */
@media (min-width: 1000px) {
  .q:has(.figview) { display: grid; grid-template-columns: minmax(0, 600px) minmax(300px, 1fr); column-gap: 8px; align-items: start; }
  .q > .qhead, .q > .scen { grid-column: 1 / -1; }
  .q > .figview { grid-column: 1; padding-bottom: 14px; }
  .q:has(.figview) > .qparts { grid-column: 2; grid-template-columns: minmax(0, 1fr); padding-top: 0; }
  .q:has(.figview) > .qparts .qfoot, .q:has(.figview) > .qparts details.work, .q:has(.figview) > .qparts .part.wide { grid-column: auto; }
}
@media (max-width: 860px) {
  .setup { grid-template-columns: minmax(0, 1fr); }
  .ctl { grid-column: 1; }
  .ctl .fld { flex: 1; }
  .seg { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .seg label:nth-child(5) { border-left: 0; }
  .seg label:nth-child(n+5) { border-top: 1px solid var(--edge); }
  .seg label:nth-child(7) { grid-column: span 2; }
}
@media (max-width: 640px) {
  .zoom { display: inline-block; }
  /* phones draw the narrower chart (bigger text); Zoom in shows the wide one 640 px across in its own scroller */
  svg.chart.wide { display: none; }
  svg.chart.phone { display: block; }
  .tagkey { display: block; }
  .zoomed .tagkey { display: none; }
  .zoomed .dw { overflow-x: auto; }
  .zoomed svg.chart.wide { display: block; width: 640px; max-width: none; }
  .zoomed svg.chart.phone { display: none; }
  .mark { display: none; }
}
@media (max-width: 480px) {
  .hero { padding: 10px 0 8px; }
  .hero h1 { font-size: 26px; }
  .lede { font-size: 15.5px; line-height: 1.45; }
  .setup { padding: 8px 10px 0; }
  .seg span { font-size: 14px; min-height: 46px; padding: 2px 3px; }
  .rules .tsum { display: none; }
  .ctl { gap: 8px; }
  .q h3 { font-size: 20px; }
  .qhead { padding: 8px 8px 0; }
  .scen { margin: 6px 8px; }
  .figview { padding: 0 8px; }
  .qparts { padding: 8px 8px 12px; }
  table.doc { font-size: 14px; }
  table.doc th, table.doc td { padding: 4px 6px; }
  .tdet summary, .rules summary { min-height: 40px; padding: 8px 0; }
}

/* ---------- print ---------- */
@media print {
  :root { --ink: #000; --muted: #333; --line: #999; --paper: #fff; --edge: #555; }
  @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, table.doc, .kar, .ksw, .kdot { print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  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; padding-bottom: 5pt !important; }
  .ph { display: flex; justify-content: space-between; align-items: baseline; gap: 10pt; border-bottom: 3pt double #000; margin-bottom: 4pt; }
  .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: 4pt 0 4pt; }
  .pround { margin: 0 0 4pt; font-size: 7.8pt; line-height: 1.28; border: 0.8pt solid #000; padding: 3pt 6pt; }
  .pround ul { margin: 0; padding-left: 11pt; columns: 2; column-gap: 8mm; }
  .pround li { break-inside: avoid; margin: 0 0 1pt; }
  .pq, .pk { list-style: none; margin: 0; padding: 0; }
  .pq > li, .pk > li { padding: 6pt 0 7pt; border-bottom: 0.75pt solid #999; break-inside: avoid; page-break-inside: avoid; }
  .pq > li.half { display: inline-block; width: 49%; vertical-align: top; box-sizing: border-box; padding-right: 5mm; }
  .pq h3, .pk h3 { font: 700 12.5pt var(--head); margin: 0 0 2pt; }
  .pscen { margin: 0 0 4pt; font-size: 10.2pt; }
  .pbody { display: grid; grid-template-columns: max-content minmax(0, 1fr); column-gap: 5mm; align-items: start; }
  .pk-text .pbody { grid-template-columns: minmax(0, 1fr); }
  svg.chart.phone { display: none !important; }
  .tagkey { display: none !important; }
  svg.chart.wide { display: block !important; }
  .pfig svg.chart { width: 104mm; max-width: none; border-color: #777; }
  .pk-text .pparts { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 6mm; }
  .pq > li.half .pparts { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 4mm; }
  /* a grid to draw on takes the full width (small squares about 3 mm); a tall grid is capped in height so the
     whole question still fits one Letter page */
  .pq .pk-plot .pbody { grid-template-columns: minmax(0, 1fr); row-gap: 2mm; }
  .pq .pk-plot .pfig svg.chart { width: auto; height: auto; max-width: 168mm; max-height: 130mm; }
  .pq .pk-plot .pparts { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 6mm; }
  .pkfig svg.chart { width: 92mm; max-width: none; }
  .gscale { font-size: 8.4pt; color: #333; margin: 1pt 0 0; }
  .klg { font-size: 8.2pt; gap: 0; margin-top: 2pt; }
  .ksw, .kmossw, .kar { width: 20pt; height: 8pt; }
  .kdot { width: 7pt; height: 7pt; margin: 0 6pt; }
  .gmin { stroke: #c9c9c9; stroke-width: 0.8; }
  .gmaj { stroke: #777; stroke-width: 1.2; }
  .ln line { stroke: #000 !important; stroke-width: 2.4; }
  .ll { fill: #000 !important; }
  .k1, .k2 { stroke: #000; }
  .kd, .kd2 { fill: #000; }
  .kgap { stroke: #777; }
  .aloss { fill: #000; fill-opacity: 0.18; }
  .aprof { fill: #000; fill-opacity: 0.08; }
  .kar-l { background: #c8c8c8; } .kar-p { background: #e6e6e6; border: 0.5pt solid #999; }
  table.doc { font-size: 9.2pt; border-width: 1pt; }
  table.doc th, table.doc td { padding: 1.5pt 5pt; border-color: #777; }
  table.doc td.blank { background: #fff; }
  .tw { overflow: visible; }
  .pparts { display: grid; grid-template-columns: 1fr; gap: 3pt; font-size: 9.8pt; }
  .pparts .pp { break-inside: avoid; }
  .pparts .pp p { margin: 0; }
  .pparts .pp.wide { grid-column: 1 / -1; }
  /* the line shrinks to leave room for its unit word, which never runs into the next column (QA 2026-10-27) */
  .pline { margin: 8pt 0 3pt !important; white-space: nowrap; display: flex; align-items: flex-end; gap: 1.5pt; }
  .uline { display: block; flex: 0 1 24mm; min-width: 12mm; height: 1em; border-bottom: 0.8pt solid #000; }
  .popts { display: flex; gap: 10pt; margin: 2pt 0 0 !important; }
  .pkey { break-before: page; page-break-before: always; }
  .psheet + .psheet { break-before: page; page-break-before: always; }
  .pkey + .pkey { break-before: page; page-break-before: always; }
  .pkbody { display: grid; grid-template-columns: max-content minmax(0, 1fr); column-gap: 5mm; align-items: start; }
  .pk-text .pkbody { grid-template-columns: minmax(0, 1fr); }
  .pk .pk-plot .pkbody { grid-template-columns: minmax(0, 1fr); row-gap: 2mm; }
  table.pkt { border-collapse: collapse; font-size: 8.8pt; line-height: 1.28; width: 100%; }
  table.pkt td { vertical-align: top; padding: 1.5pt 4pt 1.5pt 0; border-bottom: 0.4pt solid #ccc; }
  .pkq { width: 34%; }
  .pka { font-weight: 700; width: 28%; }
  .pkw { color: #333; font-size: 8.2pt; }
}
a.btn { display: inline-flex; align-items: center; text-decoration: none; }
@media (max-width: 350px) {
  .seg span { font-size: 13px; padding: 2px 2px; }
}