@font-face {
  font-family: "Space Grotesk";
  src: url("fonts/space-grotesk-var.woff2") format("woff2");
  font-weight: 500 700;
  font-display: swap;
}

:root {
  --bg: #f7f9fb;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #4f5d6b;
  --line: #c9d6e0;
  --grid: #d8ecf4;
  --accent: #c2185b;
  --accent-ink: #ffffff;
  --accent-soft: #fbe3ec;
  --focus: #1b6fae;
  --sigA: #ffffff;
  --sigB: #e3f1f8;
  --flatA: #fff4cf;
  --flatB: #e3f1f8;
  --seam: #c2185b;
  --warn-bg: #fff4cf;
  --warn-ink: #6b4a00;
  --err-bg: #fde4e4;
  --err-ink: #9b1c1c;
  --ok-ink: #1d6b3f;
  --c0: #c2185b; --c1: #1f74b0; --c2: #2b8a50; --c3: #c06c00; --c4: #6a4fc2; --c5: #0d8585; --c6: #b5482a; --c7: #56677a;
  --head: "Space Grotesk", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11161c;
    --panel: #18202a;
    --ink: #e6edf3;
    --muted: #a7b5c2;
    --line: #34424f;
    --grid: #1c2732;
    --accent: #f06c9b;
    --accent-ink: #1a0a10;
    --accent-soft: #3a1c28;
    --focus: #7cc0f5;
    --sigA: #18202a;
    --sigB: #1f3342;
    --flatA: #3a3420;
    --flatB: #1f3342;
    --seam: #f06c9b;
    --warn-bg: #3a3218;
    --warn-ink: #f3d68a;
    --err-bg: #3d1f22;
    --err-ink: #ffb4b4;
    --ok-ink: #8fd6aa;
    --c0: #f06c9b; --c1: #6fb3e8; --c2: #6cc98f; --c3: #f0a64a; --c4: #a993f0; --c5: #4cc7c7; --c6: #f08a6c; --c7: #9fb0c2;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 var(--body);
}
a { color: var(--focus); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 16px; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--panel); padding: 8px 12px; z-index: 50; }
.skip:focus { left: 8px; }
[hidden] { display: none !important; }

/* Top bar: a thin printer's registration strip */
.topbar { border-bottom: 1px solid var(--line); background: var(--panel); }
.topbar-in { display: flex; align-items: center; justify-content: space-between; min-height: 56px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 700 19px var(--head); letter-spacing: -0.2px; }
.topbar nav { display: flex; gap: 16px; }
.topbar nav a { color: var(--muted); text-decoration: none; font-size: 15px; padding: 10px 0; }
.topbar nav a:hover { color: var(--ink); text-decoration: underline; }

.hero { padding: 22px 0 10px; max-width: 760px; }
h1 { font: 700 clamp(28px, 6vw, 42px)/1.08 var(--head); letter-spacing: -0.8px; margin: 0 0 10px; }
.lede { margin: 0; font-size: 17px; color: var(--muted); max-width: 64ch; }

/* Tool */
.tool { padding: 8px 0 20px; }
.example-banner { background: var(--accent-soft); border-left: 4px solid var(--accent); padding: 10px 12px; margin: 0 0 12px; }
.setup { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px 18px; padding: 12px 0 10px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field label, .choice legend { font-weight: 600; font-size: 15px; }
input[type=text], input[type=date], select {
  font: inherit; font-size: 16px; color: var(--ink); background: var(--panel);
  border: 1px solid var(--line); border-radius: 4px; padding: 9px 10px; min-height: 44px;
}
select { padding-right: 28px; }
.stepper { display: flex; align-items: stretch; }
.stepper input { width: 84px; text-align: center; border-radius: 0; font: 600 18px var(--head); }
.step { font: 600 15px var(--head); min-width: 52px; min-height: 44px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer; }
.step:first-child { border-radius: 4px 0 0 4px; border-right: 0; }
.step:last-child { border-radius: 0 4px 4px 0; border-left: 0; }
.step:hover { background: var(--grid); }
.pmsg { flex: 1 1 100%; margin: 0; font-size: 15px; color: var(--muted); min-height: 1.5em; }
.pmsg.warn { color: var(--warn-ink); }
.pmsg.error { color: var(--err-ink); font-weight: 600; }

.tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--ink); overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs [role=tab] {
  font: 600 15px var(--head); color: var(--muted); background: transparent; border: 0; border-bottom: 4px solid transparent;
  padding: 10px 9px 8px; min-height: 44px; cursor: pointer; white-space: nowrap; flex: 0 0 auto;
}
.tabs [role=tab][aria-selected=true] { color: var(--ink); border-bottom-color: var(--accent); }
.tabs [role=tab]:hover { color: var(--ink); }

.work { display: block; padding-top: 14px; }
.side { min-width: 0; }
.pane-h { font: 700 20px var(--head); margin: 0 0 10px; }
.hint { color: var(--muted); font-size: 15px; margin: 6px 0 10px; }
.row-btns { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.btn {
  font: 600 15px var(--body); min-height: 44px; padding: 9px 14px; border-radius: 4px; cursor: pointer;
  border: 1px solid var(--ink); background: var(--panel); color: var(--ink);
}
.btn:hover { background: var(--grid); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.quiet { border-color: var(--line); color: var(--muted); }
.btn.small { min-height: 40px; padding: 6px 10px; font-size: 14px; }
.link { font: inherit; color: var(--focus); background: none; border: 0; padding: 0; text-decoration: underline; cursor: pointer; }
.icon-btn { min-width: 44px; min-height: 44px; border: 1px solid transparent; background: transparent; color: var(--muted); border-radius: 4px; cursor: pointer; font-size: 18px; line-height: 1; }
.icon-btn:hover { border-color: var(--line); color: var(--ink); }

/* Ladder */
.ladder-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 14px; }
.summary { margin: 0; font-size: 15px; }
.summary b { font-family: var(--head); }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.seg-b { font: 600 14px var(--body); min-height: 40px; padding: 6px 12px; min-width: 96px; border: 0; background: var(--panel); color: var(--muted); cursor: pointer; }
.seg-b + .seg-b { border-left: 1px solid var(--line); }
.seg-b[aria-pressed=true] { background: var(--ink); color: var(--bg); }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 8px 0 0; padding: 0; list-style: none; font-size: 14px; color: var(--muted); }
.legend li { display: flex; align-items: center; gap: 6px; }
.sw { width: 12px; height: 12px; border-radius: 2px; display: inline-block; flex: 0 0 auto; }
.ladder-hint { margin: 6px 0 10px; }

.ladder {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(136px, 1fr)); gap: 6px;
}
.sp {
  position: relative; min-height: 82px; border: 1px solid var(--line); border-radius: 3px;
  background: linear-gradient(90deg, var(--l, var(--sigA)) 0 50%, var(--r, var(--sigA)) 50% 100%);
  touch-action: manipulation;
}
.sp::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; border-left: 1px dashed var(--line); pointer-events: none; }
.sp.seam::before { border-left: 3px solid var(--seam); margin-left: -1px; }
.sp.nat::before { border-left: 2px solid var(--focus); }
.legend .ln { width: 3px; height: 14px; display: inline-block; }
.sp .bar { position: absolute; left: 0; right: 0; top: 0; height: 5px; border-radius: 2px 2px 0 0; background: var(--sec, transparent); pointer-events: none; }
.sp-main {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-rows: auto 1fr auto; width: 100%; height: 100%; min-height: 82px;
  text-align: left; padding: 8px 8px 6px; border: 0; background: transparent; color: var(--ink); font: inherit; cursor: pointer; border-radius: 3px;
}
.pg { font: 600 13px/1.2 var(--head); color: var(--muted); white-space: nowrap; overflow: hidden; }
.pg-r { text-align: right; }
.pg .tag { font: 600 11px var(--body); color: var(--accent); margin: 0 4px; }
.sp .t { grid-column: 1 / -1; align-self: center; font-weight: 600; font-size: 14px; line-height: 1.25; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow-wrap: anywhere; padding: 2px 18px 2px 0; }
.sp .t2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; grid-column: 1 / -1; font-weight: 600; font-size: 13px; line-height: 1.2; }
.sp .t2 span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sp .meta { grid-column: 1 / -1; font-size: 13px; color: var(--muted); display: flex; justify-content: space-between; gap: 6px; min-width: 0; }
.sp .meta .who { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sp .meta .who.none { font-style: italic; }
.sp.done .t::before { content: "✓ "; color: var(--ok-ink); }
.sp .es { position: absolute; top: 0; bottom: 0; width: 50%; pointer-events: none;
  background: repeating-linear-gradient(135deg, transparent 0 6px, var(--line) 6px 7px); opacity: 0.6; }
.sp .es.left { left: 0; } .sp .es.right { right: 0; }
.sp .es-label { position: absolute; bottom: 6px; font-size: 12px; color: var(--muted); pointer-events: none; padding: 0 6px; max-width: 50%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sp .es-label.left { left: 0; } .sp .es-label.right { right: 0; }
.sp.single .t, .sp.single .meta { padding-right: 0; }
.sp.first .t, .sp.first .meta { grid-column: 2; }
.sp.last .t, .sp.last .meta { grid-column: 1; }
.sp.open { border-style: dashed; border-color: var(--muted); }
.sp.open .t { color: var(--muted); font-weight: 500; }
.sp.selected { outline: 3px solid var(--accent); outline-offset: 1px; z-index: 1; }
.sp.dragging { opacity: 0.35; }
.sp.drop { box-shadow: 0 0 0 3px var(--focus); }
.grip {
  position: absolute; right: 0; top: 18px; width: 30px; height: 44px; display: flex; align-items: center; justify-content: center;
  color: var(--muted); cursor: grab; touch-action: none; user-select: none; -webkit-user-select: none;
}
.grip svg { pointer-events: none; }
.ladder.moving .sp:not(.selected) .sp-main { cursor: copy; }
.ladder.moving .sp:not(.selected) { box-shadow: 0 0 0 1px var(--focus); }
.ghost { position: fixed; z-index: 60; pointer-events: none; width: 160px; opacity: 0.9; box-shadow: 0 6px 20px rgba(0,0,0,.25); }

.overflow { margin: 14px 0 0; padding: 12px 14px; background: var(--err-bg); color: var(--err-ink); border-left: 4px solid var(--err-ink); }
.overflow p { margin: 0 0 8px; }
.overflow ul { margin: 0; padding: 0; list-style: none; }
.overflow li { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 2px 0; }
.open-note { margin: 12px 0 0; padding: 10px 14px; background: var(--warn-bg); color: var(--warn-ink); border-left: 4px solid var(--warn-ink); }

/* Editor: docks to the bottom of the screen while a spread is selected */
.editor {
  position: sticky; bottom: 0; z-index: 20; margin-top: 14px;
  background: var(--panel); border-top: 4px solid var(--accent); box-shadow: 0 -6px 18px rgba(0,0,0,.12);
  padding: 12px 14px 14px;
}
.ed-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.ed-head h2 { font: 700 18px var(--head); margin: 0; }
.ed-head p { margin: 2px 0 0; font-size: 14px; color: var(--muted); }
.ed-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; margin-top: 8px; }
.ed-grid .wide { grid-column: 1 / -1; }
.ed-checks { display: flex; flex-wrap: wrap; gap: 0 16px; align-items: center; grid-column: 1 / -1; }
.ed-grid input[type=text], .ed-grid select { width: 100%; }
.ed-grid label { font-size: 14px; font-weight: 600; }
.check { display: flex; align-items: center; gap: 8px; min-height: 44px; font-size: 15px; }
.check input { width: 20px; height: 20px; accent-color: var(--accent); }
.ed-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }

/* Sections table */
.sec-table { width: 100%; border-collapse: collapse; }
.sec-table th { text-align: left; font-size: 13px; color: var(--muted); font-weight: 600; padding: 4px 4px 6px; border-bottom: 1px solid var(--line); }
.sec-table td { padding: 5px 4px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
.sec-table .name input { width: 100%; min-width: 0; }
.sec-table .pages { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 14px; white-space: nowrap; }
.swatch-btn { width: 32px; height: 44px; border: 0; background: transparent; cursor: pointer; display: flex; align-items: center; justify-content: center; padding: 0; }
.swatch-btn .sw { width: 18px; height: 18px; border-radius: 3px; }
.mini-step { display: inline-flex; align-items: stretch; }
.mini-step button { width: 36px; min-height: 44px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); cursor: pointer; font-size: 18px; }
.mini-step button:first-child { border-radius: 4px 0 0 4px; border-right: 0; }
.mini-step button:last-child { border-radius: 0 4px 4px 0; border-left: 0; }
.mini-step input { width: 46px; text-align: center; border-radius: 0; padding: 6px 2px; }
.sec-total { margin: 10px 0 0; font-weight: 600; }
.sec-total.over { color: var(--err-ink); }
.sec-total.open { color: var(--warn-ink); }
.sec-bar { display: flex; height: 12px; margin: 10px 0 0; border-radius: 2px; overflow: hidden; background: var(--grid); }
.sec-bar span { display: block; height: 100%; }

/* Staff and deadlines */
.add-row { display: flex; gap: 8px; }
.add-row input { flex: 1; min-width: 0; }
.staff-list, .dl-list { list-style: none; margin: 10px 0 0; padding: 0; }
.staff-list li { display: flex; align-items: center; gap: 8px; padding: 4px 0; border-bottom: 1px solid var(--grid); }
.staff-list input { flex: 1; min-width: 0; }
.staff-list .cnt { font-size: 14px; color: var(--muted); white-space: nowrap; min-width: 64px; text-align: right; }
.dl-list li { display: grid; grid-template-columns: 1fr auto; gap: 6px 10px; padding: 10px 0; border-bottom: 1px solid var(--grid); }
.dl-list .dl-n { font: 700 15px var(--head); grid-column: 1 / -1; }
.dl-list .dl-fields { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: flex-end; }
.dl-list .dl-range { grid-column: 1 / -1; font-size: 14px; color: var(--muted); margin: 0; }
.dl-list .dl-range.empty { color: var(--err-ink); }
.jobs { margin-top: 16px; }
.jobs details { border-top: 1px solid var(--line); }
.jobs summary { cursor: pointer; padding: 10px 0; font-weight: 600; min-height: 44px; display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.jobs summary .sub { font-weight: 400; color: var(--muted); font-size: 14px; }
.jobs ul { list-style: none; margin: 0 0 10px; padding: 0; }
.jobs li { display: grid; grid-template-columns: 4.6em 1fr auto; gap: 8px; padding: 3px 0; font-size: 15px; border-bottom: 1px dotted var(--grid); }
.jobs li .p { font: 600 14px var(--head); font-variant-numeric: tabular-nums; }
.jobs li .d { color: var(--muted); font-size: 14px; white-space: nowrap; }
.jobs li.done .x::before { content: "✓ "; color: var(--ok-ink); }
.jobs .x { overflow-wrap: anywhere; }

.choice { border: 0; padding: 0; margin: 0 0 12px; }
.choice legend { padding: 0; margin-bottom: 4px; }
.choice label { display: flex; align-items: center; gap: 8px; min-height: 40px; font-size: 15px; }
.choice input { width: 20px; height: 20px; accent-color: var(--accent); }
.pane .field { margin: 6px 0 4px; max-width: 420px; }
.danger-zone { border-top: 1px solid var(--line); padding-top: 12px; margin-top: 18px; }

.store-note { margin: 10px 0 0; padding: 8px 12px; background: var(--warn-bg); color: var(--warn-ink); font-size: 15px; }
.quick { margin: 2px 0 12px; font-size: 15px; color: var(--muted); }

.toast {
  position: fixed; left: 50%; top: 12px; transform: translateX(-50%); z-index: 70; max-width: min(92vw, 520px);
  background: var(--ink); color: var(--bg); padding: 10px 14px; border-radius: 4px; margin: 0;
  display: flex; align-items: center; gap: 12px; box-shadow: 0 6px 20px rgba(0,0,0,.25); font-size: 15px;
}
.toast button { font: 600 15px var(--body); color: var(--bg); background: transparent; border: 1px solid var(--bg); border-radius: 4px; min-height: 40px; padding: 4px 12px; cursor: pointer; }

/* Content */
.content { max-width: 760px; padding: 26px 0 30px; border-top: 1px solid var(--line); margin-top: 18px; }
.content h2 { font: 700 24px/1.2 var(--head); letter-spacing: -0.3px; margin: 26px 0 8px; }
.content h2:first-child { margin-top: 0; }
.content p { margin: 0 0 12px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 12px 0; font-weight: 600; min-height: 44px; }
.faq details p { margin: 0 0 14px; }
.sources { font-size: 15px; color: var(--muted); margin-top: 20px; }

footer { border-top: 1px solid var(--line); padding: 20px 0 30px; font-size: 14px; color: var(--muted); background: var(--panel); }
footer p { margin: 0 0 8px; }

/* Wide screens: panel beside the ladder */
@media (min-width: 1000px) {
  .tool:not([data-tab=ladder]) .work { display: grid; grid-template-columns: 400px minmax(0, 1fr); gap: 28px; align-items: start; }
  .tool:not([data-tab=ladder]) .ladder-pane { display: block !important; }
  .tool:not([data-tab=ladder]) .ladder { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .tool[data-tab=ladder] .side { display: none; }
}
@media (max-width: 999px) {
  .tool:not([data-tab=ladder]) .ladder-pane { display: none; }
  /* the spread editor belongs to the ladder; on other tabs it would cover their buttons */
  .tool:not([data-tab=ladder]) .editor { display: none; }
}
@media (max-width: 480px) {
  .topbar nav { gap: 12px; }
  .hero { padding-top: 16px; }
  .lede { font-size: 16px; }
  .setup { gap: 8px 12px; padding-top: 8px; }
  .f-type { flex: 1 1 140px; min-width: 0; }
  .f-type select { width: 100%; }
  .step { min-width: 46px; }
  .stepper input { width: 64px; }
  .editor { padding: 8px 12px 10px; }
  .ed-head h2 { font-size: 16px; }
  .ed-head p { font-size: 13px; }
  .ed-grid { gap: 4px 10px; margin-top: 4px; }
  .ed-grid .field { gap: 2px; min-width: 0; }
  .ed-grid .t-field { grid-column: 1 / -1; }
  .ed-grid label { font-size: 13px; }
  .ed-grid select { padding-left: 6px; min-width: 0; }
  .ed-checks .check { min-height: 40px; }
  .ed-actions .btn.small { padding: 6px 8px; }
  .seg-b { min-width: 0; padding: 6px 10px; }
  .sec-table .pages { display: none; }
}
@media (prefers-reduced-motion: no-preference) {
  .sp { transition: box-shadow .12s; }
}

/* ---------- Print ---------- */
.print-root { display: none; }
@media print {
  body { background: #fff; color: #000; font: 10.5pt/1.3 var(--body); }
  body > *:not(.print-root) { display: none !important; }
  .print-root { display: block; }
  .print-root * { print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .sheet { break-after: page; page-break-after: always; }
  .sheet:last-child { break-after: auto; page-break-after: auto; }
  .ph { display: flex; justify-content: space-between; align-items: baseline; gap: 12pt; border-bottom: 2pt solid #000; padding-bottom: 3pt; margin-bottom: 6pt; }
  .ph h1 { font: 700 15pt var(--head); margin: 0; letter-spacing: 0; }
  .ph .pm { font-size: 9.5pt; color: #333; text-align: right; }
  .legend-p { display: flex; flex-wrap: wrap; gap: 2pt 10pt; font-size: 9pt; color: #333; margin: 0 0 5pt; padding: 0; list-style: none; }
  .legend-p li { display: flex; align-items: center; gap: 3pt; }
  .legend-p .sw { width: 9pt; height: 9pt; }

  /* wall ladder */
  .wrow { display: grid; grid-template-columns: 1fr 1fr; height: var(--rowh, 0.98in); border: 1pt solid #000; border-top: 0; break-inside: avoid; }
  .wrow.firstrow { border-top: 1pt solid #000; }
  .wp { position: relative; padding: 4pt 7pt 4pt 10pt; border-left: 0.75pt dashed #777; background: var(--tint, #fff); overflow: hidden; }
  .wp:first-child { border-left: 0; }
  .wp.seam { border-left: 2.5pt solid #000; }
  .wp .strip { position: absolute; left: 0; top: 0; bottom: 0; width: 5pt; background: var(--sec, transparent); }
  .wp .top { display: flex; justify-content: space-between; gap: 6pt; align-items: baseline; }
  .wp .num { font: 700 18pt/1 var(--head); }
  .wp .sec { font-size: 8.5pt; color: #333; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .wp .tags { font-size: 8pt; color: #333; white-space: nowrap; }
  .wp .topic { font-weight: 700; font-size: 13pt; line-height: 1.1; margin-top: 2pt; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .wp .fill { border-bottom: 0.75pt solid #999; height: 15pt; margin-top: 2pt; }
  .wp .bot { position: absolute; left: 10pt; right: 7pt; bottom: 4pt; display: flex; justify-content: space-between; gap: 6pt; font-size: 10.5pt; }
  .wp .bot .who { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
  .wp .bot > span:last-child { flex: 0 0 auto; white-space: nowrap; }
  .wp .box { display: inline-block; width: 8pt; height: 8pt; border: 0.75pt solid #000; vertical-align: -1pt; margin-left: 3pt; text-align: center; line-height: 7pt; font-size: 7pt; }
  .wp.es { background: repeating-linear-gradient(135deg, #fff 0 5pt, #ccc 5pt 5.75pt); }
  .wp.es .num { font-size: 10pt; color: #444; }
  .wp.none { background: #fff; }
  /* 11 x 17 wall ladder: larger type to read from a few feet away */
  .big .wp { padding: 6pt 10pt 6pt 14pt; }
  .big .wp .strip { width: 8pt; }
  .big .wp .num { font-size: 32pt; }
  .big .wp .sec { font-size: 12pt; }
  .big .wp .tags { font-size: 11pt; }
  .big .wp .topic { font-size: 22pt; margin-top: 4pt; }
  .big .wp .fill { height: 30pt; }
  .big .wp .bot { left: 14pt; right: 10pt; bottom: 6pt; font-size: 15pt; }
  .big .wp .box { width: 13pt; height: 13pt; line-height: 12pt; font-size: 11pt; }
  .big .wp.es .num { font-size: 14pt; }
  .big .ph h1 { font-size: 22pt; }
  .big .ph .pm { font-size: 12pt; }
  .big .legend-p { font-size: 11pt; }
  .big .legend-p .sw { width: 12pt; height: 12pt; }
  .big .sheet-note { font-size: 11pt; }
  .sigsub { font: 700 10pt var(--head); margin: 6pt 0 3pt; display: flex; justify-content: space-between; }
  .sigsub span { font: 400 9pt var(--body); color: #333; }
  .sheet-note { font-size: 8.5pt; color: #333; margin: 4pt 0 0; }

  /* overview */
  .ov { display: grid; grid-template-columns: repeat(var(--cols, 2), minmax(0, 1fr)); grid-template-rows: repeat(var(--rows, 5), auto);
    grid-auto-flow: column; gap: 7pt 12pt; align-items: start; }
  .ovb { break-inside: avoid; min-width: 0; }
  .ovb h2 { font: 700 calc(min(var(--fs, 9pt), 15pt) + 1pt) var(--head); margin: 0 0 2pt; white-space: nowrap; display: flex; justify-content: space-between; align-items: baseline; gap: 4pt; }
  .ovb h2 span { font: 400 min(var(--fs, 9pt), 13pt) var(--body); color: #333; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
  .ovr { position: relative; display: flex; align-items: center; gap: 4pt; height: var(--rowh, 13pt); padding: 0 4pt 0 7pt; border: 0.75pt solid #000; border-top: 0;
    background: linear-gradient(90deg, var(--bl) 0 50%, var(--br) 50% 100%); font-size: var(--fs, 9pt); line-height: 1.15; }
  .ovr.firstrow { border-top: 0.75pt solid #000; }
  /* gutter: short ticks at the top and bottom edge so the line never runs through the words */
  .ovr::before, .ovr::after { content: ""; position: absolute; left: 50%; height: 2pt; border-left: 0.75pt solid #555; }
  .ovr::before { top: 0; }
  .ovr::after { bottom: 0; }
  .ovr.seam::before, .ovr.seam::after { border-left: 2.5pt solid #000; margin-left: -1pt; height: 3pt; }
  .ovr .strip { position: absolute; left: 0; top: 0; bottom: 0; width: 3.5pt; background: var(--sec, transparent); }
  .ovr b { font: 700 var(--fs, 9pt) var(--head); flex: 0 0 auto; position: relative; }
  .ovr .pl { min-width: 2.1em; }
  .ovr .pr { min-width: 2.1em; text-align: right; }
  .ovr .tx { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; position: relative; }
  .ovr .tx small { font-size: 1em; color: #333; }
  .ovr.first .tx { text-align: right; }
  .big .ov { column-gap: 22pt; row-gap: 10pt; }
  /* lists */
  .plist { break-inside: avoid-page; margin: 0 0 12pt; }
  .plist h2 { font: 700 12pt var(--head); margin: 0 0 3pt; display: flex; justify-content: space-between; gap: 8pt; border-bottom: 1pt solid #000; padding-bottom: 2pt; }
  .plist h2 span { font: 400 9.5pt var(--body); color: #333; }
  .plist table { width: 100%; border-collapse: collapse; table-layout: fixed; }
  .plist th { text-align: left; font-size: 8.5pt; color: #333; font-weight: 600; padding: 2pt 4pt; border-bottom: 0.75pt solid #999; }
  .plist td { padding: 3pt 4pt; border-bottom: 0.5pt solid #bbb; font-size: 10pt; vertical-align: top; overflow-wrap: break-word; }
  .plist tr { break-inside: avoid; }
  .plist .c-p { width: 13%; font-family: var(--head); font-weight: 700; }
  .plist .c-s { width: 20%; }
  .plist .c-d { width: 17%; }
  .plist .c-w { width: 18%; }
  .plist .c-x { width: 7%; text-align: center; }
  .plist .empty { color: #555; font-style: italic; }
}
@media screen and (max-width: 360px) {
  .tabs { gap: 0; }
  .tabs [role=tab] { padding: 10px 4px 8px; font-size: 14px; }
  .topbar nav a { font-size: 14px; white-space: nowrap; }
  .brand { font-size: 17px; }
}