/* Toolwoven Change Order Studio — drawing-set title blocks on a concrete desk.
   Square corners, ruled cells, black section bands, redline for deductions. */
:root {
  --desk: #e2e4df;
  --desk-2: #d5d8d2;
  --sheet: #ffffff;
  --ink: #16191c;
  --ink-2: #3c444b;
  --muted: #545d65;
  --hair: #c4cacd;
  --hair-2: #dde1e3;
  --field: #f0f3f5;
  --field-line: #7f8a93;
  --red: #b3261e;
  --red-bg: #fbecea;
  --focus: #1b5fd0;
  --ok: #1d6a3a;
  --ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --din: "DIN Alternate", "Bahnschrift", "D-DIN", "Roboto Condensed", "Arial Narrow", system-ui, sans-serif;
  --wrap: 1180px;
  --dock-h: 104px; /* measured by the page script; scroll targets clear the sticky dock by this much */
  --mbar-h: 64px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--desk); color: var(--ink); font: 16px/1.5 var(--ui); }
a { color: var(--ink); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--ink); color: #fff; padding: 10px 14px; z-index: 50; }
.skip:focus { top: 10px; }
small { font-size: 12px; font-weight: 400; color: var(--muted); text-transform: none; letter-spacing: 0; }

/* ---------- top bar ---------- */
.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; max-width: var(--wrap); margin: 0 auto; padding: 14px 32px; }
.brand { font: 700 14px/1 var(--din); letter-spacing: .14em; text-decoration: none; display: inline-flex; align-items: baseline; gap: 6px; }
.brand-mark { color: var(--red); }
.brand-sub { letter-spacing: .02em; font-weight: 400; font-family: var(--ui); font-size: 15px; color: var(--ink-2); margin-left: 6px; padding-left: 10px; border-left: 1px solid var(--field-line); }
.bar nav { display: flex; gap: 22px; }
.bar nav a { font-size: 15px; text-decoration: none; padding: 10px 0; }
.bar nav a:hover { text-decoration: underline; }

/* ---------- intro ---------- */
main { max-width: var(--wrap); margin: 0 auto; padding: 0 32px 48px; }
.intro { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 36px; align-items: end; padding: 18px 0 22px; border-top: 2px solid var(--ink); }
h1 { font: 700 40px/1.05 var(--din); letter-spacing: -.01em; margin: 6px 0 10px; }
.intro-text p { margin: 0; font-size: 16px; color: var(--ink-2); max-width: 60ch; }
.intro-note { border-left: 4px solid var(--red); background: var(--sheet); padding: 12px 16px; display: flex; gap: 12px; align-items: flex-start; }
.intro-note p { margin: 0; font-size: 15px; }
.intro-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.tag { display: inline-block; font: 700 12px/1 var(--din); letter-spacing: .12em; text-transform: uppercase; color: var(--red); border: 1.5px solid var(--red); padding: 5px 7px 4px; white-space: nowrap; }
.intro-note[hidden], .tag[hidden] { display: none; }
/* example vs. own draft: set before first paint by the <head> script, then kept in sync by the page script */
.co-own .ex-only, html:not(.co-own) .own-only { display: none; }

/* ---------- buttons ---------- */
.section-nav { display: flex; flex-wrap: wrap; gap: 4px 22px; margin: 0 0 18px; padding: 8px 0; border-block: 1px solid var(--field-line); }
.section-nav a { display: inline-flex; align-items: center; min-height: 40px; font-size: 14px; text-underline-offset: 4px; }
.reference-section .eyebrow { margin: 0 0 8px; color: var(--red); font: 700 12px/1.4 var(--din); letter-spacing: .08em; text-transform: uppercase; }
.section-lead { max-width: 78ch; color: var(--ink-2); }
.reference-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.reference-table { border-collapse: collapse; width: 100%; font-size: 14px; background: var(--sheet); }
.reference-table caption { text-align: left; padding: 8px 0; font-weight: 600; }
.reference-table th, .reference-table td { text-align: left; padding: 10px; border-bottom: 1px solid var(--hair); vertical-align: top; }
.reference-table thead { background: var(--ink); color: var(--sheet); }
.reference-table tbody th { font-weight: 500; }
.reference-table td:last-child { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.reference-table tfoot { font-weight: 700; border-top: 2px solid var(--ink); }
.example-result { padding: 16px 18px; background: var(--sheet); border-top: 3px solid var(--red); }
.example-result h3 { margin: 0 0 12px; font: 700 20px/1.25 var(--din); }
.example-result dl { margin: 0; }
.example-result dl div { padding: 9px 0; border-bottom: 1px solid var(--hair); }
.example-result dt { color: var(--ink-2); font-size: 14px; }
.example-result dd { margin: 4px 0 0; font-weight: 600; font-variant-numeric: tabular-nums; }
.example-result .result-total dd { font: 700 24px/1.25 var(--din); }
.example-result p, .reference-meta { font-size: 14px; color: var(--muted); }
.limits-list { padding-left: 22px; max-width: 90ch; }
.limits-list li { margin-bottom: 12px; }
.guide-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; padding-block: 12px; border-block: 1px solid var(--hair); }
.guide-nav a { min-height: 36px; display: inline-flex; align-items: center; }
.guide-section { scroll-margin-top: 20px; }
@media (max-width: 860px) { .reference-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 480px) {
  .reference-table th, .reference-table td { padding: 8px 6px; }
  .reference-table { font-size: 12px; }
  .section-nav { gap: 2px 16px; }
}
@media print { .section-nav { display: none !important; } }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 16px; border: 1.5px solid var(--ink); background: var(--sheet); font-weight: 600; font-size: 15px; cursor: pointer; border-radius: 0; text-decoration: none; }
.btn:hover { background: var(--field); }
.btn.primary { background: var(--ink); color: #fff; }
.btn.primary:hover { background: #2b3136; }
.btn.small { min-height: 40px; padding: 0 12px; font-size: 15px; }
.btn.ghost { border-color: transparent; text-decoration: underline; text-underline-offset: 3px; background: transparent; }
.btn.ghost:hover { border-color: var(--hair); }
.btn[aria-busy="true"] { opacity: .6; cursor: progress; }

/* ---------- dock ---------- */
.dock { position: sticky; top: 0; z-index: 20; display: grid; grid-template-columns: auto 1fr auto; gap: 20px; align-items: center; background: var(--sheet); border: 2px solid var(--ink); padding: 8px 10px 8px 14px; }
.dock-id { display: flex; align-items: center; gap: 10px; min-width: 0; }
.dock-id b { display: block; font: 700 20px/1.1 var(--din); font-variant-numeric: tabular-nums; }
.save-status { display: block; font-size: 12px; color: var(--muted); }
.delta { width: 0; height: 0; border-left: 13px solid transparent; border-right: 13px solid transparent; border-bottom: 22px solid var(--red); position: relative; flex: none; }
.delta::after { content: ""; position: absolute; left: -8px; top: 7px; border-left: 8px solid transparent; border-right: 8px solid transparent; border-bottom: 13px solid var(--sheet); }
.dock-figs { display: flex; gap: 26px; margin: 0; justify-content: flex-end; }
.dock-figs div { text-align: right; }
.dock-figs dt { font: 600 12px/1.2 var(--din); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.dock-figs dd { margin: 0; font: 700 20px/1.2 var(--din); font-variant-numeric: tabular-nums; white-space: nowrap; }
.dock-actions { display: flex; gap: 8px; align-items: center; }
.paper-pick { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.paper-pick select { min-height: 44px; border: 1.5px solid var(--hair); background: var(--sheet); padding: 0 8px; font-size: 15px; color: var(--ink); }
/* check line: always one fixed-height row, so a growing problem list never moves the page */
.dock-check { grid-column: 1 / -1; position: relative; display: flex; align-items: center; gap: 8px; height: 34px; margin-top: -12px; padding-top: 6px; border-top: 1px solid var(--hair-2); font-size: 14px; color: var(--muted); }
.check-dot { flex: none; width: 9px; height: 9px; border-radius: 50%; background: var(--ok); }
.dock-check[data-state="todo"] .check-dot { background: var(--field-line); }
.dock-check[data-state="bad"] .check-dot { background: var(--red); }
.issues-text { min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.dock-check[data-state="ok"] .issues-text { color: var(--ok); }
.dock-check[data-state="bad"] .issues-text { color: var(--red); font-weight: 700; }
.issues-toggle { flex: none; min-height: 28px; padding: 0 8px; border: 1.5px solid var(--red); background: var(--sheet); color: var(--red); font-size: 14px; font-weight: 600; cursor: pointer; }
.issues-toggle[hidden], .issues-pop[hidden] { display: none; }
.issues-toggle[aria-expanded="true"] { background: var(--red); color: #fff; }
.issues-pop { position: absolute; top: calc(100% + 10px); left: -16px; z-index: 30; width: min(480px, calc(100vw - 32px)); max-height: min(60vh, 420px); overflow: auto; background: var(--sheet); border: 2px solid var(--red); box-shadow: 0 10px 28px rgba(22, 25, 28, .22); padding: 6px 14px; }
.issues-pop ul { margin: 0; padding-left: 18px; color: var(--red); }
.issues-pop button { background: none; border: 0; padding: 4px 0; color: var(--red); font-weight: 600; text-decoration: underline; cursor: pointer; text-align: left; min-height: 32px; }
.field-err { display: block; color: var(--red); font-size: 13px; font-weight: 600; line-height: 1.3; margin-top: 3px; }
.rate > .field-err { flex-basis: 100%; order: 9; margin-top: 0; }
.sl > .field-err { grid-column: 1 / -1; margin-top: -4px; text-align: right; }
.action-status { min-height: 1.5em; margin: 6px 2px 0; font-size: 15px; color: var(--ok); }
.action-status.err { color: var(--red); }
.action-status button { background: none; border: 0; text-decoration: underline; font-weight: 600; cursor: pointer; padding: 0 4px; min-height: 32px; }

/* ---------- ladder (G701-style running sum) ---------- */
.ladder { margin: 6px 0 18px; }
.ladder-sum { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: minmax(0,1fr) 24px minmax(0,1fr) 24px minmax(0,1fr) 24px minmax(0,1fr) 24px minmax(0,1.1fr); align-items: stretch; }
.ladder-sum li:not(.op) { background: var(--sheet); border-top: 3px solid var(--ink); padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.ladder-sum .n { font: 700 12px/1 var(--din); color: var(--muted); }
.ladder-sum .l { font-size: 13px; line-height: 1.3; color: var(--ink-2); flex: 1; }
.ladder-sum .l em { font-style: normal; color: var(--muted); white-space: nowrap; }
.ladder-sum b { font: 700 21px/1.15 var(--din); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.ladder-sum .op { display: flex; align-items: center; justify-content: center; font: 700 20px/1 var(--din); color: var(--muted); }
.ladder-sum li.this.neg { border-top-color: var(--red); }
.ladder-sum li.this.neg b { color: var(--red); }
.ladder-sum li.new { background: var(--ink); color: #fff; border-top-color: var(--ink); }
.ladder-sum li.new .l, .ladder-sum li.new .n { color: #d4d9dc; }
.ladder-time { margin: 0; padding: 9px 12px; background: var(--desk-2); font-size: 15px; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; font-variant-numeric: tabular-nums; }
.lt-label { font: 700 12px/1 var(--din); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.ladder-time span:not(.lt-label) { font-weight: 600; }

/* ---------- the sheet ---------- */
.sheet { background: var(--sheet); border: 2px solid var(--ink); outline: 1px solid var(--ink); outline-offset: 5px; margin: 8px 6px 0; }
.sheet-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); border-bottom: 2px solid var(--ink); }
.sheet-title { padding: 14px 18px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; border-right: 1px solid var(--ink); }
.sheet-title .kicker { flex-basis: 100%; font: 700 12px/1 var(--din); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.sheet-title .title { font: 700 34px/1 var(--din); text-transform: uppercase; letter-spacing: .02em; }
.titleblock { display: grid; grid-template-columns: 1.1fr 1fr .9fr; }
.titleblock .cell + .cell { border-left: 1px solid var(--hair); }
.cells { display: grid; grid-template-columns: 1fr 1fr; }
.cell { display: flex; flex-direction: column; gap: 4px; padding: 10px 14px 12px; border-bottom: 1px solid var(--hair); min-width: 0; }
.parties .cell:nth-child(odd):not(.wide) { border-right: 1px solid var(--hair); }
.cell.wide { grid-column: 1 / -1; }
.logo-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.logo-frame { display: inline-grid; place-items: center; width: 132px; height: 48px; background: var(--field); border: 1px dashed var(--field-line); }
.logo-frame img { max-width: 124px; max-height: 42px; width: auto; height: auto; }
.logo-frame img[hidden] { display: none; }
.file-btn { position: relative; }
.file-btn input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.file-btn:focus-within { outline: 3px solid var(--focus); outline-offset: 2px; }
.logo-help { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.logo-help.err { color: var(--red); font-weight: 600; }
.btn[hidden] { display: none; }
.lab { font: 700 12px/1.2 var(--din); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.lab small { font-family: var(--ui); }
.sheet input[type=text], .sheet input[type=date], .sheet input[type=number], .sheet select, .sheet textarea {
  width: 100%; min-height: 42px; border: 0; border-bottom: 1.5px solid var(--field-line); background: var(--field); padding: 8px 10px; font-size: 16px; border-radius: 0; color: var(--ink);
}
.sheet textarea { resize: vertical; line-height: 1.45; min-height: 96px; }
.sheet input:hover, .sheet textarea:hover, .sheet select:hover { background: #e8edf0; }
.sheet input:focus, .sheet textarea:focus, .sheet select:focus { background: #fff; outline: 3px solid var(--focus); outline-offset: 0; }
.sheet [aria-invalid="true"] { background: var(--red-bg) !important; border-bottom-color: var(--red); box-shadow: inset 0 0 0 2px var(--red); }
.sheet input[type=number] { font-variant-numeric: tabular-nums; }
#number { font: 700 20px/1 var(--din); }

.part { border-bottom: 1px solid var(--ink); }
.band { margin: 0; background: var(--ink); color: #fff; font: 700 15px/1 var(--din); letter-spacing: .1em; text-transform: uppercase; padding: 9px 14px 8px; display: flex; align-items: center; gap: 12px; }
.band small { color: #c9cfd3; letter-spacing: .02em; }
.letter { display: inline-grid; place-items: center; width: 22px; height: 22px; border: 1.5px solid #fff; font-size: 13px; letter-spacing: 0; }
.part-help { margin: 10px 14px; font-size: 15px; color: var(--ink-2); }
.scope .cell:first-child { border-right: 1px solid var(--hair); }

/* line items */
.lines { padding: 6px 14px 14px; }
.lines + .lines { border-top: 1px dashed var(--hair); }
.lines-title { margin: 8px 0 8px; font: 700 18px/1.2 var(--din); display: flex; align-items: center; gap: 8px; }
.lines-title .soft { font: 400 15px var(--ui); color: var(--muted); }
.sign { display: inline-grid; place-items: center; width: 24px; height: 24px; color: #fff; background: var(--ink); font-size: 18px; line-height: 1; }
.sign.minus { background: var(--red); }
table.items { width: 100%; border-collapse: collapse; table-layout: fixed; }
table.items th { font: 700 12px/1.2 var(--din); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); text-align: left; padding: 6px 6px; border-bottom: 1.5px solid var(--ink); }
table.items td { padding: 5px 6px; border-bottom: 1px solid var(--hair-2); vertical-align: middle; }
.c-n { width: 34px; } .c-q { width: 88px; } .c-u { width: 74px; } .c-p { width: 118px; } .c-t { width: 50px; text-align: center !important; } .c-a { width: 128px; text-align: right !important; } .c-x { width: 44px; }
td.c-n { font: 700 15px var(--din); color: var(--muted); }
td.c-a { font: 700 17px/1.2 var(--din); font-variant-numeric: tabular-nums; white-space: nowrap; }
.deduct td.c-a, #sub-credit, .neg { color: var(--red); }
td.c-t input { width: 22px; height: 22px; accent-color: var(--ink); margin: 0; }
td.c-t label { display: inline-grid; place-items: center; min-width: 40px; min-height: 40px; cursor: pointer; }
.rm { width: 40px; height: 40px; border: 1px solid transparent; background: none; cursor: pointer; font-size: 22px; line-height: 1; color: var(--muted); }
.rm:hover { border-color: var(--red); color: var(--red); }
tfoot td { border-bottom: 0 !important; padding-top: 10px !important; }
.sub-label { text-align: right; font: 700 13px/1 var(--din); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.add-line { margin-top: 6px; }
.row-err { display: block; color: var(--red); font-size: 13px; margin-top: 3px; }

/* cost summary */
.costsum { margin: 4px 14px 16px auto; max-width: 620px; border-top: 2px solid var(--ink); }
.costsum .row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 8px 4px; border-bottom: 1px solid var(--hair-2); font-size: 15px; }
.costsum .row b { font: 700 18px/1.2 var(--din); font-variant-numeric: tabular-nums; white-space: nowrap; }
.costsum .strong-ish { font-weight: 600; }
.costsum .rate { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.pct, .unit-in, .money-in, .date-in { display: inline-flex; align-items: center; gap: 6px; }
.pct input { width: 92px !important; }
.pct i, .unit-in i { font-style: normal; color: var(--muted); font-size: 15px; }
.costsum select { width: auto !important; }
.check { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; font-size: 15px; cursor: pointer; }
.check input { width: 20px; height: 20px; accent-color: var(--ink); }
.row-note { margin: 0; padding: 6px 4px 0; font-size: 13px; color: var(--muted); }
.costsum .row.total { border-bottom: 3px double var(--ink); border-top: 1.5px solid var(--ink); margin-top: 8px; padding: 12px 4px; font-weight: 700; font-size: 17px; }
.costsum .row.total b { font-size: 26px; }
.dir { font-weight: 400; font-size: 14px; color: var(--muted); }

/* contract sum + time */
.part-pair { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); border-bottom: 1px solid var(--ink); }
.part-pair .part { border-bottom: 0; }
.part-pair .part + .part { border-left: 1px solid var(--ink); }
.sumlines { padding: 4px 14px 8px; }
.sl { display: grid; grid-template-columns: 26px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--hair-2); font-size: 15px; min-height: 52px; }
#part-d .sl { grid-template-columns: minmax(0, 1fr) auto; }
.sl .n { font: 700 14px/1 var(--din); color: var(--muted); }
.sl b { font: 700 18px/1.2 var(--din); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.sl.strong { border-top: 1.5px solid var(--ink); border-bottom: 3px double var(--ink); font-weight: 700; }
.sl.strong b { font-size: 22px; }
.money-in input { width: 170px !important; text-align: right; }
.unit-in input { width: 96px !important; text-align: right; }
.date-in input { width: 170px !important; }
.prevbox { padding: 4px 0 10px 36px; border-bottom: 1px solid var(--hair-2); }
table.prev { width: 100%; border-collapse: collapse; table-layout: fixed; }
table.prev th { font: 700 12px/1.2 var(--din); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); text-align: left; padding: 4px; }
table.prev th:nth-child(1) { width: 92px; } table.prev th:nth-child(2) { width: 148px; } table.prev th:nth-child(4) { width: 118px; } table.prev th:nth-child(5) { width: 44px; }
table.prev td { padding: 3px 4px; }
table.prev input { min-height: 40px !important; font-size: 15px !important; padding: 6px 8px !important; }
table.prev td:nth-child(4) input { text-align: right; }
.prev-empty { margin: 4px 0 8px; font-size: 14px; color: var(--muted); }
.prev-empty[hidden] { display: none; }

/* signatures */
.sigs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--hair); }
.sigs.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sig { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; }
.sig + .sig { border-left: 1px solid var(--hair); }
.sig[hidden] { display: none; }
.sig-line { height: 44px; border-bottom: 1.5px solid var(--ink); position: relative; margin-bottom: 4px; }
.sig-line::after { content: "Signature and date"; position: absolute; left: 0; bottom: -20px; font-size: 12px; color: var(--muted); }
.sig label:first-of-type { margin-top: 16px; }

.sheet-foot { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 14px; background: var(--field); }
.sheet-foot p { margin: 2px 0 0; font-size: 15px; color: var(--ink-2); max-width: 70ch; }

/* ---------- guide ---------- */
.how { margin-top: 40px; border-top: 2px solid var(--ink); padding-top: 16px; }
.how h2 { font: 700 28px/1.1 var(--din); margin: 0 0 14px; }
.how-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 36px; }
.steps { margin: 0; padding-left: 22px; }
.steps li { margin-bottom: 8px; font-size: 16px; }
.how-notes h3 { font: 700 18px/1.2 var(--din); margin: 0 0 6px; }
.how-notes p { margin: 0 0 16px; font-size: 16px; color: var(--ink-2); }
.faq { margin-top: 18px; border-top: 1px solid var(--field-line); }
.faq details { border-bottom: 1px solid var(--field-line); }
.faq summary { cursor: pointer; padding: 12px 0; font-weight: 600; font-size: 16px; min-height: 44px; }
.faq details p { margin: 0 0 14px; max-width: 75ch; color: var(--ink-2); }

.foot { max-width: var(--wrap); margin: 0 auto; padding: 18px 32px 32px; display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; border-top: 1px solid var(--field-line); font-size: 15px; color: var(--ink-2); }
.foot nav { margin-left: auto; display: flex; gap: 20px; }
.foot nav a { padding: 10px 0; }

/* ---------- simple pages ---------- */
.page { max-width: 760px; margin: 0 auto; padding: 8px 32px 48px; }
.page article { background: var(--sheet); border: 2px solid var(--ink); padding: 24px 28px; }
.page h1 { font-size: 36px; }
.page h2 { font: 700 20px/1.2 var(--din); margin: 24px 0 6px; }
.page p, .page li { font-size: 16px; color: var(--ink-2); overflow-wrap: anywhere; }
.page .meta { font-size: 14px; color: var(--muted); }

/* ---------- print document (hidden on screen) ---------- */
.print-doc { display: none; }

/* anchors (#how, the skip link, parts A–F) and error jumps stop below the sticky dock */
#sheet, .part, .how, .faq details, .sheet input, .sheet select, .sheet textarea { scroll-margin-top: calc(var(--dock-h) + 16px); }

/* phone bar: total and Download PDF stay in reach once the dock has scrolled away */
.mbar { display: none; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .dock { grid-template-columns: 1fr auto; }
  .dock-actions { grid-column: 1 / -1; justify-content: flex-end; }
  .ladder-sum { grid-template-columns: minmax(0,1fr) 22px minmax(0,1fr) 22px minmax(0,1fr); row-gap: 10px; }
  .ladder-sum li.op:nth-child(6) { display: none; }
}
@media (max-width: 860px) {
  .intro { grid-template-columns: 1fr; gap: 14px; }
  .part-pair { grid-template-columns: 1fr; }
  .part-pair .part + .part { border-left: 0; border-top: 1px solid var(--ink); }
  .how-grid { grid-template-columns: 1fr; gap: 10px; }
  .sigs, .sigs.two { grid-template-columns: 1fr; }
  .sig + .sig { border-left: 0; border-top: 1px solid var(--hair); }
}
@media (max-width: 760px) {
  .bar { padding: 12px 16px; flex-wrap: wrap; }
  .brand-sub { display: none; }
  .bar nav { gap: 16px; }
  main { padding: 0 16px 40px; }
  h1 { font-size: 32px; }
  .intro-note { flex-direction: column; gap: 8px; }
  .dock { position: relative; grid-template-columns: 1fr; gap: 10px; padding: 10px 12px; }
  .dock-check { margin-top: -4px; }
  .issues-pop { left: -14px; }
  #sheet, .part, .how, .faq details, .sheet input, .sheet select, .sheet textarea { scroll-margin-top: 16px; }
  html:has(.mbar) { scroll-padding-bottom: calc(var(--mbar-h) + 16px + env(safe-area-inset-bottom)); }
  body:has(.mbar) { padding-bottom: calc(var(--mbar-h) + env(safe-area-inset-bottom)); }
  .mbar { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; min-height: calc(var(--mbar-h) + env(safe-area-inset-bottom)); align-items: center; gap: 12px; background: var(--sheet); border-top: 2px solid var(--ink); box-shadow: 0 -6px 18px rgba(22, 25, 28, .12); padding: 8px max(16px, env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); }
  .mbar-figs { flex: 1; min-width: 0; margin: 0; display: grid; gap: 2px; }
  .mbar-figs div { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; min-width: 0; }
  .mbar-figs dt { font: 600 11px/1.2 var(--din); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
  .mbar-figs dd { margin: 0; font: 700 16px/1.2 var(--din); font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .mbar .btn { flex: none; padding: 0 14px; }
  .action-status { min-height: 3em; }
  .dock-figs { justify-content: space-between; }
  .dock-figs div { text-align: left; }
  .dock-actions { display: grid; grid-template-columns: 1fr 1fr 1fr; justify-content: stretch; }
  .dock-actions .primary { grid-column: 1 / -1; grid-row: 1; }
  .paper-pick { grid-column: 1; }
  .paper-pick span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .paper-pick select { width: 100%; }
  .bar nav a[href="#how"] { display: none; }
  .ladder-sum { grid-template-columns: 1fr; row-gap: 0; }
  .ladder-sum .op { display: none !important; }
  /* number | label | value: the value column keeps its width when totals turn into dashes, so rows keep their height */
  .ladder-sum li:not(.op) { display: grid; grid-template-columns: auto minmax(0, 1fr) minmax(6.6em, auto); align-items: baseline; border-top-width: 1px; padding: 8px 12px; gap: 2px 8px; }
  .ladder-sum li:not(.op):first-child { border-top-width: 3px; }
  .ladder-sum b { font-size: 19px; text-align: right; }
  .sheet { margin: 8px 4px 0; }
  .sheet-head { grid-template-columns: 1fr; }
  .sheet-title { border-right: 0; border-bottom: 1px solid var(--ink); }
  .sheet-title .title { font-size: 28px; }
  .titleblock { grid-template-columns: 1fr 1fr; }
  .titleblock .cell:first-child { grid-column: 1 / -1; border-bottom: 1px solid var(--hair); }
  .titleblock .cell:nth-child(2) { border-left: 0; }
  .cells { grid-template-columns: 1fr; }
  .parties .cell:nth-child(odd), .scope .cell:first-child { border-right: 0; }
  .band { font-size: 14px; }
  .lines { padding: 4px 10px 12px; }
  table.items, table.items tbody, table.items tr, table.items td, table.items tfoot { display: block; width: 100%; }
  table.items thead { display: none; }
  table.items tbody tr { display: grid; grid-template-columns: 64px 56px minmax(0,1fr) 44px; grid-template-areas: "d d d x" "q u p t" "a a a a"; gap: 6px 8px; padding: 10px 0; border-bottom: 1px solid var(--hair); }
  table.items tbody tr.empty { display: block; }
  table.items td { border: 0; padding: 0; }
  table.items td.c-n { display: none; }
  table.items td.c-d { grid-area: d; } table.items td.c-q { grid-area: q; } table.items td.c-u { grid-area: u; }
  table.items td.c-p { grid-area: p; } table.items td.c-t { grid-area: t; text-align: left !important; } table.items td.c-a { grid-area: a; }
  table.items td.c-x { grid-area: x; align-self: end; }
  table.items td.c-q input, table.items td.c-u input, table.items td.c-p input { padding-left: 6px; padding-right: 6px; }
  table.items td[data-label]::before { content: attr(data-label); display: block; font: 700 12px/1.2 var(--din); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 3px; }
  table.items td.c-t label { justify-content: start; min-height: 42px; }
  table.items td.c-a { display: flex; justify-content: space-between; align-items: baseline; }
  table.items tfoot tr { display: flex; justify-content: space-between; padding-top: 8px; }
  table.items tfoot td { width: auto; }
  table.items tfoot td:empty { display: none; }
  .costsum { margin: 4px 10px 14px; }
  .costsum .row.input-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; }
  .costsum .row.input-row b { padding-top: 8px; }
  .sl { grid-template-columns: 22px minmax(0, 1fr) auto; gap: 6px 10px; }
  .sl > .money-in, .sl > .date-in { grid-column: 2 / -1; }
  #part-d .sl > .date-in { grid-column: 1 / -1; }
  .sl b { font-size: 17px; }
  .money-in input, .date-in input { width: 100% !important; }
  .money-in, .date-in { width: 100%; }
  .prevbox { padding-left: 0; }
  table.prev thead { display: none; }
  table.prev, table.prev tbody { display: block; }
  table.prev tr { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr) 44px; grid-template-areas: "no dt x" "ds ds ds" "am am am"; gap: 6px; padding: 8px 0; border-bottom: 1px solid var(--hair-2); }
  table.prev tr { grid-template-columns: minmax(0,1fr) 112px 44px; grid-template-areas: "no no x" "dt am am" "ds ds ds"; }
  table.prev td { padding: 0; }
  table.prev td[data-label]::before { content: attr(data-label); display: block; font: 700 12px/1.2 var(--din); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 3px; }
  table.prev td:nth-child(1) { grid-area: no; } table.prev td:nth-child(2) { grid-area: dt; } table.prev td:nth-child(3) { grid-area: ds; }
  table.prev td:nth-child(4) { grid-area: am; } table.prev td:nth-child(5) { grid-area: x; }
  .sheet-foot { flex-direction: column; align-items: stretch; }
  .foot { padding: 18px 16px 28px; }
  .foot nav { margin-left: 0; }
  .page { padding: 8px 16px 40px; }
  .page article { padding: 18px 16px; }
}
@media (max-width: 760px) and (pointer: coarse) { body.typing .mbar { display: none; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

/* ---------- print ---------- */
@page { margin: 14mm 13mm; }
@media print {
  body { background: #fff; font-size: 10pt; }
  .bar, .intro, .dock, .issues-pop, .mbar, .action-status, .ladder, .sheet, .how, .foot, .skip { display: none !important; }
  body { padding-bottom: 0 !important; }
  main { padding: 0; max-width: none; }
  .print-doc { display: block; color: #000; font: 9.5pt/1.35 var(--ui); }
}
.print-doc h1.pd-title { font: 700 22pt/1 var(--din); margin: 0; text-transform: uppercase; }
.pd-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; border-bottom: 2pt solid #000; padding-bottom: 8pt; }
.pd-brand { display: flex; gap: 12pt; align-items: center; }
.pd-logo { max-width: 150pt; max-height: 42pt; width: auto; height: auto; }
.pd-incomplete { border: 1.5pt solid #000; padding: 10pt 12pt; }
.pd-incomplete h1 { font: 700 16pt/1.1 var(--din); margin: 0 0 6pt; }
.pd-head .pd-proj { font-size: 11pt; color: #333; margin-top: 4pt; }
.pd-no { text-align: right; font-size: 9pt; }
.pd-no b { display: block; font: 700 14pt var(--din); }
.pd-ex { color: var(--red); border: 1.2pt solid var(--red); font: 700 8pt var(--din); letter-spacing: .1em; padding: 2pt 4pt; margin-left: 8pt; vertical-align: middle; }
.pd-grid { display: grid; grid-template-columns: 1fr 1fr; border-bottom: .6pt solid #999; }
.pd-grid div { padding: 4pt 5pt; border-bottom: .6pt solid #999; overflow-wrap: anywhere; }
.pd-grid div:nth-child(odd) { border-right: .6pt solid #999; }
.pd-l { display: block; font: 700 7pt/1.2 var(--din); letter-spacing: .08em; text-transform: uppercase; color: #444; }
.pd-band { background: #000; color: #fff; font: 700 9pt/1 var(--din); letter-spacing: .1em; text-transform: uppercase; padding: 4pt 6pt; margin-top: 10pt; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
.pd-p { margin: 4pt 5pt; white-space: pre-wrap; overflow-wrap: anywhere; }
.pd-t { width: 100%; border-collapse: collapse; table-layout: fixed; margin-top: 4pt; }
.pd-t caption { text-align: left; font-weight: 700; padding: 4pt 0 2pt; }
.pd-t th { font: 700 7pt var(--din); text-transform: uppercase; letter-spacing: .06em; text-align: left; background: #eee; padding: 3pt 4pt; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
.pd-t td { padding: 3pt 4pt; border-bottom: .4pt solid #bbb; overflow-wrap: anywhere; vertical-align: top; }
.pd-t .r { text-align: right; white-space: nowrap; }
.pd-t tfoot td { font-weight: 700; border-bottom: 0; }
.pd-red { color: var(--red); }
.pd-sum { margin: 6pt 0 0 auto; width: 60%; border-collapse: collapse; }
.pd-sum td { padding: 2.5pt 4pt; border-bottom: .4pt solid #bbb; }
.pd-sum td.r { text-align: right; white-space: nowrap; }
.pd-sum tr.tot td { font-weight: 700; border-top: 1.2pt solid #000; border-bottom: 2.4pt double #000; font-size: 10.5pt; }
.pd-pair { display: grid; grid-template-columns: 1.4fr 1fr; gap: 12pt; break-inside: avoid; }
.pd-lad { width: 100%; border-collapse: collapse; }
.pd-lad td { padding: 3pt 4pt; border-bottom: .4pt solid #bbb; }
.pd-lad td.r { text-align: right; white-space: nowrap; }
.pd-lad tr.tot td { font-weight: 700; border-top: 1.2pt solid #000; border-bottom: 2.4pt double #000; }
.pd-agree { font-size: 8.5pt; color: #333; margin: 4pt 5pt 0; }
.pd-sigs { display: grid; grid-template-columns: repeat(var(--n, 2), 1fr); gap: 14pt; margin-top: 8pt; break-inside: avoid; }
.pd-sigs .ln { border-bottom: .9pt solid #000; height: 30pt; }
.pd-sigs small { font-size: 7.5pt; color: #444; display: block; }
.pd-who { min-height: 2.7em; }
.pd-foot { margin-top: 12pt; border-top: .4pt solid #999; padding-top: 4pt; font-size: 7.5pt; color: #444; }