/* ==========================================================
   HOFLER ENTERPRISES LLC — Print-Ready PDF Brand System
   ----------------------------------------------------------
   Shared by every guide in the library.
   Spec: 8.5 × 11 (letter), 72px margins, navy/cyan accent,
   Space Grotesk + IBM Plex Sans + JetBrains Mono.
   ========================================================== */

:root {
  --navy: #1F3864;
  --navy-2: #142648;
  --blue: #2E75B6;
  --cyan: #00BCD4;
  --ink: #333333;
  --ink-soft: #5a6573;
  --line: #E2E8F0;
  --line-strong: #C9D3DF;
  --callout: #EBF3FB;
  --code-bg: #1E1E1E;
  --code-ink: #F5F7FA;
  --code-muted: #8a9099;
  --code-cyan: #57e3f4;
  --code-blue: #6fb3ff;
  --code-yellow: #e6c071;
  --code-green: #7ec98c;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: #ECEEF2;
  color: var(--ink);
  font-family: "IBM Plex Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* viewer chrome (web only) */
.viewer-bar {
  position: sticky; top: 0; z-index: 30;
  background: var(--navy);
  color: #fff;
  padding: 12px 24px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.04em;
}
.viewer-bar .left, .viewer-bar .right { display: flex; gap: 16px; align-items: center; }
.viewer-bar a { color: var(--cyan); text-decoration: none; font-weight: 600; }
.viewer-bar a:hover { color: #fff; }
.viewer-bar .pill {
  background: rgba(255,255,255,.1); padding: 4px 10px; border-radius: 3px;
  border: 1px solid rgba(255,255,255,.2);
}
.print-btn {
  background: var(--cyan); color: var(--navy); border: 0;
  padding: 8px 14px; font-family: inherit; font-weight: 600;
  font-size: 12px; cursor: pointer; border-radius: 3px;
  letter-spacing: 0.04em;
}
.print-btn:hover { background: #fff; }

/* page stack */
.stack { padding: 40px 0 80px; display: flex; flex-direction: column; align-items: center; gap: 32px; }

.page {
  width: 816px; min-height: 1056px;
  background: #fff;
  box-shadow: 0 4px 24px -8px rgba(0,0,0,.18), 0 1px 0 rgba(0,0,0,.04);
  position: relative;
  overflow: visible;
  color: var(--ink);
  font-size: 11.5pt;
  line-height: 1.55;
  display: flex; flex-direction: column;
}
.page .page-body { flex: 1; padding: 72px 72px 18px; display: flex; flex-direction: column; }

/* running header / footer */
.run-head {
  position: absolute; top: 28px; left: 72px; right: 72px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 9pt; color: var(--ink-soft);
  letter-spacing: 0.06em;
}
.run-head .l { color: var(--navy); font-weight: 600; }
.run-head .r { display: flex; align-items: center; gap: 8px; }
.run-head .dot { width: 6px; height: 6px; background: var(--cyan); border-radius: 50%; }

.run-foot {
  margin: 0 72px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 9pt; color: var(--ink-soft);
  letter-spacing: 0.05em;
  border-top: 1px solid var(--line);
  padding: 12px 0 26px;
}
.run-foot .center { text-align: center; flex: 1; }
.run-foot .page-no { color: var(--navy); font-weight: 600; }

/* type */
h1, h2, h3, h4 {
  font-family: "Space Grotesk", sans-serif;
  color: var(--navy);
  letter-spacing: -0.015em;
  margin: 0;
  line-height: 1.1;
}
h2.body-h2 { font-size: 22pt; margin: 0 0 14px; }
h2.body-h2.small { font-size: 18pt; }
h3.body-h3 { font-size: 13pt; color: var(--blue); margin: 16px 0 7px; font-weight: 600; }
h4.body-h4 { font-size: 11pt; color: var(--navy); margin: 16px 0 6px; font-weight: 600; }
p { margin: 0 0 8pt; }
p.lede { font-size: 13pt; color: var(--ink); max-width: 600px; }
strong { color: var(--navy); }
em.callout-em { color: var(--blue); font-style: normal; font-weight: 600; }

/* ──── COVER ──────────────────────────────────────────── */
.page.cover { padding: 0; }
.cover-frame {
  flex: 1; margin: 28px;
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
  position: relative;
  padding: 56px 60px 40px;
}
.cover-frame::before {
  content: ""; position: absolute; top: 0; left: 0; width: 6px; height: 100%;
  background: var(--cyan);
}
.cover-top {
  display: flex; justify-content: space-between; align-items: center;
  font-family: "JetBrains Mono", monospace;
  font-size: 10pt; color: var(--ink-soft); letter-spacing: 0.1em;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.cover-top .lock { color: var(--navy); font-weight: 600; }
.cover-top .edition {
  border: 1px solid var(--cyan); color: var(--navy); padding: 4px 10px;
  border-radius: 3px;
}
.cover-vol {
  margin-top: 64px;
  display: inline-flex; align-items: center; gap: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 11pt; color: var(--blue); font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.cover-vol::before { content: ""; width: 28px; height: 1px; background: var(--cyan); }

.cover-title {
  font-size: 52pt; font-weight: 700; line-height: 0.96;
  margin: 28px 0 14px;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
.cover-title em {
  font-style: normal; color: var(--blue);
}
.cover-sub {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 15pt; color: var(--ink-soft);
  font-weight: 400;
  max-width: 540px;
  line-height: 1.4;
  margin-top: 12px;
}
.cover-rule {
  margin-top: 56px; height: 1px; background: var(--cyan);
  position: relative;
}
.cover-rule::after {
  content: ""; position: absolute; left: 0; top: -3px; width: 80px; height: 7px;
  background: var(--cyan);
}
.cover-author {
  margin-top: auto;
  display: grid; grid-template-columns: 1fr auto; gap: 32px;
  align-items: end;
}
.cover-author .by {
  font-family: "JetBrains Mono", monospace;
  font-size: 10pt; color: var(--ink-soft);
  letter-spacing: 0.08em; text-transform: uppercase;
}
.cover-author .who {
  font-family: "Space Grotesk", sans-serif;
  color: var(--navy);
  font-size: 22pt; font-weight: 600; line-height: 1.05;
  margin-top: 6px;
}
.cover-author .role {
  color: var(--ink-soft); font-size: 11pt; margin-top: 4px;
}
.cover-stamp {
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  padding: 14px 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5pt; line-height: 1.5;
  color: var(--ink);
  min-width: 220px;
}
.cover-stamp div { display: flex; gap: 8px; }
.cover-stamp .k { color: var(--ink-soft); flex: 0 0 70px; }
.cover-stamp .v { color: var(--navy); font-weight: 600; }
.cover-foot {
  margin-top: 28px;
  display: flex; justify-content: space-between;
  font-family: "JetBrains Mono", monospace;
  font-size: 9pt; color: var(--ink-soft); letter-spacing: 0.05em;
  padding-top: 18px; border-top: 1px solid var(--line);
}
.cover-foot .gumroad { color: var(--blue); font-weight: 600; }

/* author credit bar (page 1 of body) */
.author-credit-line {
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5pt; color: var(--ink);
  background: var(--callout);
  border-left: 3px solid var(--cyan);
  padding: 12px 16px;
  margin-bottom: 24px;
  line-height: 1.5;
}
.author-credit-line strong { color: var(--navy); }

/* license block */
.license-body { padding: 0; }
.license-body h2 {
  font-size: 20pt; margin-bottom: 14px;
}
.license-body p { font-size: 10.5pt; max-width: 560px; }
.license-body ul.tight { margin: 0 0 14px; padding-left: 18px; }
.license-body ul.tight li { font-size: 10.5pt; line-height: 1.5; margin-bottom: 4px; }

/* TOC */
.toc-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px;
  margin-top: 12px;
}
.toc-row {
  display: grid; grid-template-columns: 36px 1fr auto; gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.toc-row .n {
  font-family: "JetBrains Mono", monospace;
  font-size: 10pt; color: var(--cyan); font-weight: 600;
}
.toc-row .t {
  font-size: 11pt; color: var(--navy); font-weight: 500;
}
.toc-row .p {
  font-family: "JetBrains Mono", monospace;
  font-size: 10pt; color: var(--ink-soft);
}

/* CHAPTER COVER */
.chapter-cover { padding: 0; }
.chapter-bar {
  background: var(--navy);
  color: #fff;
  padding: 64px 72px 56px;
  position: relative;
}
.chapter-bar::after {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 6px;
  background: var(--cyan);
}
.chapter-bar .eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 11pt; color: var(--cyan);
  letter-spacing: 0.1em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 12px;
}
.chapter-bar .eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--cyan); }
.chapter-bar h1 {
  color: #fff; font-size: 44pt; font-weight: 700;
  margin: 18px 0 0; letter-spacing: -0.02em; line-height: 1.0;
}
.chapter-bar .num {
  font-family: "Space Grotesk", sans-serif;
  color: rgba(0,188,212,.65);
  font-size: 150pt; font-weight: 700;
  line-height: 0.8;
  position: absolute;
  right: 64px; top: 38px;
  opacity: 0.55;
  letter-spacing: -0.05em;
}
.chapter-cover-body {
  padding: 56px 72px 56px;
  flex: 1;
  display: flex; flex-direction: column;
}
.chapter-cover-body .lede {
  font-size: 15pt; line-height: 1.45; color: var(--navy);
  max-width: 540px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 400;
  margin-bottom: 32px;
}
.chapter-cover-body .lede em.callout-em { color: var(--blue); font-style: normal; font-weight: 600; }

.chapter-toc { margin-top: auto; }
.chapter-toc h4 {
  font-family: "JetBrains Mono", monospace;
  font-size: 10pt; color: var(--ink-soft); letter-spacing: 0.1em;
  text-transform: uppercase; margin-bottom: 14px; font-weight: 500;
}
.chapter-toc ul {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 32px;
}
.chapter-toc li {
  display: grid; grid-template-columns: 28px 1fr;
  gap: 10px; font-size: 11pt; color: var(--ink);
  padding: 4px 0; border-bottom: 1px solid var(--line);
}
.chapter-toc li .n {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyan); font-weight: 600; font-size: 10pt;
}

/* section divider */
.section-divider {
  display: flex; align-items: center; gap: 14px;
  margin: 22px 0 12px;
}
.section-divider .num {
  font-family: "JetBrains Mono", monospace;
  color: var(--cyan); font-weight: 600; font-size: 10pt;
  letter-spacing: 0.06em;
}
.section-divider .line { flex: 1; height: 1px; background: var(--cyan); }

/* icon bullets */
.icon-list { list-style: none; padding: 0; margin: 0 0 12px; }
.icon-list li {
  display: grid; grid-template-columns: 24px 1fr; gap: 10px;
  padding: 7px 0;
  font-size: 11pt; line-height: 1.55;
  border-bottom: 1px solid var(--line);
}
.icon-list li:last-child { border-bottom: 0; }
.icon-list .ico {
  width: 18px; height: 18px; color: var(--cyan);
  flex-shrink: 0; margin-top: 1px;
}
.icon-list strong { color: var(--navy); }

/* plain dash bullets */
ul.plain-bullets { list-style: none; padding: 0; margin: 0 0 10pt; }
ul.plain-bullets li {
  position: relative; padding-left: 22px; margin-bottom: 6px;
  font-size: 11pt; line-height: 1.55;
}
ul.plain-bullets li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 10px; height: 1px; background: var(--cyan);
}

/* numbered with cyan number */
ol.num-list { list-style: none; padding: 0; margin: 0 0 10pt; counter-reset: nl; }
ol.num-list li {
  position: relative;
  padding: 6px 0 6px 40px; font-size: 11pt; line-height: 1.55;
  border-bottom: 1px solid var(--line);
  counter-increment: nl;
}
ol.num-list li:last-child { border-bottom: 0; }
ol.num-list li::before {
  content: counter(nl, decimal-leading-zero);
  position: absolute; left: 0; top: 6px;
  font-family: "JetBrains Mono", monospace;
  color: var(--cyan); font-weight: 600; font-size: 10pt;
  line-height: 1.7;
}
ol.num-list li strong { color: var(--navy); }

/* callout / prompt box */
.callout {
  background: var(--callout);
  border-left: 4px solid var(--cyan);
  padding: 12px 16px 10px;
  margin: 12px 0;
  border-radius: 0 4px 4px 0;
}
.callout .label {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  color: var(--navy);
  font-weight: 600;
  font-size: 9pt;
  letter-spacing: 0.12em;
  background: #fff;
  padding: 3px 8px;
  border: 1px solid var(--cyan);
  margin-bottom: 10px;
}
.callout p { font-size: 11pt; line-height: 1.55; margin: 0; color: var(--ink); }
.callout p + p { margin-top: 8px; }

/* dark code block */
.code {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 13px 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5pt;
  line-height: 1.5;
  margin: 12px 0;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}
.code .code-head {
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding-bottom: 10px;
  margin-bottom: 12px;
  color: var(--code-muted);
  font-size: 8.5pt;
  letter-spacing: 0.08em;
}
.code .code-head .lang { color: var(--code-cyan); font-weight: 600; }
.code .code-head .dots { display: inline-flex; gap: 5px; }
.code .code-head .dots i { width: 7px; height: 7px; border-radius: 50%; display: inline-block; background: #444; }
.code pre { margin: 0; white-space: pre-wrap; font: inherit; color: inherit; }
.code .k { color: var(--code-blue); }
.code .s { color: var(--code-green); }
.code .c { color: var(--code-muted); font-style: italic; }
.code .n { color: var(--code-yellow); }
.code .fn { color: var(--code-cyan); }

/* prompt block (dark, with cyan PROMPT tag) */
.prompt-block {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 13px 18px;
  margin: 12px 0;
  border-radius: 4px;
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5pt; line-height: 1.5;
}
.prompt-block .prompt-label {
  display: inline-block;
  background: var(--cyan); color: var(--navy);
  padding: 3px 8px; font-size: 8.5pt;
  font-weight: 700; letter-spacing: 0.12em;
  margin-bottom: 10px;
}
.prompt-block p { margin: 0 0 6px; color: var(--code-ink); }
.prompt-block .you { color: var(--code-cyan); }
.prompt-block pre {
  margin: 0; white-space: pre-wrap; font: inherit; color: inherit;
}

/* table */
.body-table {
  width: 100%; border-collapse: collapse; margin: 12px 0;
  font-size: 10pt;
}
.body-table thead th {
  background: var(--navy); color: #fff;
  padding: 9px 12px; text-align: left;
  font-family: "Space Grotesk", sans-serif;
  font-size: 10pt; font-weight: 600;
  letter-spacing: 0.02em;
}
.body-table tbody td {
  padding: 8px 12px; border-bottom: 1px solid var(--line);
  font-size: 10pt; line-height: 1.4;
}
.body-table tbody tr:nth-child(even) td { background: #F7F9FC; }
.body-table td.mono { font-family: "JetBrains Mono", monospace; color: var(--navy); font-size: 9.5pt; }

/* big pullquote */
.pull {
  border-top: 1px solid var(--cyan); border-bottom: 1px solid var(--cyan);
  padding: 20px 0; margin: 20px 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 16pt; color: var(--navy);
  font-weight: 500; line-height: 1.3;
  text-wrap: balance;
}
.pull-attr {
  font-family: "JetBrains Mono", monospace;
  font-size: 10pt; color: var(--ink-soft);
  letter-spacing: 0.06em; margin-top: 10px;
}

/* verdict badge */
.verdict {
  display: inline-flex; gap: 8px; align-items: center;
  background: var(--navy); color: #fff;
  padding: 6px 12px; border-radius: 3px;
  font-family: "JetBrains Mono", monospace;
  font-size: 9.5pt; font-weight: 600;
  letter-spacing: 0.1em;
}
.verdict .dot { width: 6px; height: 6px; background: var(--cyan); border-radius: 50%; }
.verdict.green { background: #1f6e3d; }
.verdict.amber { background: #8a5a13; }
.verdict.red { background: #7a1f1f; }

/* closing / CTA page */
.closing-body {
  flex: 1; display: flex; flex-direction: column; justify-content: center;
}
.closing-body .eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 11pt; color: var(--blue);
  letter-spacing: 0.08em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 12px;
}
.closing-body .eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--cyan); }
.closing-body h2 {
  font-size: 36pt; font-weight: 700; margin: 24px 0 16px;
  letter-spacing: -0.02em; line-height: 1.05;
}
.closing-body p { font-size: 13pt; color: var(--ink); max-width: 560px; }
.closing-cta {
  margin-top: 28px;
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--blue); color: #fff;
  padding: 14px 22px; font-weight: 600; font-size: 13pt;
  font-family: "IBM Plex Sans", sans-serif;
  text-decoration: none;
  border-radius: 4px;
  width: max-content;
}
.closing-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
  margin-top: 36px;
}
.closing-card {
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  padding: 16px 18px;
}
.closing-card h4 { font-size: 12pt; color: var(--navy); margin-bottom: 6px; }
.closing-card p { font-size: 10pt; color: var(--ink-soft); margin: 0; }

/* side jump nav */
.toc-side {
  position: fixed; top: 50%; right: 24px; transform: translateY(-50%);
  z-index: 20;
  display: flex; flex-direction: column; gap: 4px;
  background: #fff; border: 1px solid var(--line); padding: 10px;
  font-family: "JetBrains Mono", monospace; font-size: 11px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  max-height: 75vh; overflow: auto;
}
.toc-side a {
  color: var(--ink-soft); text-decoration: none;
  padding: 4px 8px; display: block; border-left: 2px solid transparent;
}
.toc-side a:hover { color: var(--navy); border-left-color: var(--cyan); }

/* print */
@page { size: letter; margin: 0; }

/* ============================================================
   RESPONSIVE — reflow the fixed letter-size sheets below desktop.
   >900px keeps the rigid 816px page exactly as designed. At/below
   900px the page becomes fluid and legible without pinch-zoom.
   ============================================================ */
@media (max-width: 1080px) {
  .toc-side { display: none; }
}

@media (max-width: 900px) {
  .stack { padding: 24px 0 56px; gap: 22px; }

  /* the sheet reflows to the viewport instead of a rigid 816px slab */
  .page {
    width: 100%;
    max-width: 816px;
    min-height: 0;
  }
  .page .page-body { padding: 60px 32px 16px; }
  .run-head { top: 22px; left: 32px; right: 32px; }
  .run-foot { margin: 0 32px; }

  /* multi-column blocks collapse to a single column */
  .toc-grid { grid-template-columns: 1fr; gap: 0; }
  .chapter-toc ul { grid-template-columns: 1fr; gap: 6px 0; }
  .cover-author { grid-template-columns: 1fr; gap: 22px; }
  .cover-stamp { min-width: 0; }
  .closing-grid { grid-template-columns: 1fr; }

  /* oversized display type scales with the viewport */
  .cover-title { font-size: clamp(30pt, 8.5vw, 52pt); }
  .chapter-bar h1 { font-size: clamp(28pt, 7.5vw, 44pt); }
  .chapter-bar .num { font-size: clamp(80pt, 26vw, 150pt); right: 32px; top: 28px; }
  .closing-body h2 { font-size: clamp(26pt, 7vw, 36pt); }

  /* cover + chapter inner padding eases in */
  .cover-frame { margin: 18px; padding: 40px 32px 30px; }
  .chapter-bar { padding: 48px 32px 40px; }
  .chapter-cover-body { padding: 40px 32px; }

  /* tables scale down and wrap; long tokens break rather than overflow */
  .body-table { font-size: 9pt; }
  .body-table thead th,
  .body-table tbody td { padding: 7px 9px; }
  .body-table tbody td { word-break: break-word; }
  .body-table td.mono { font-size: 8.5pt; }

  /* code / prompt blocks never push the page wide */
  .code, .prompt-block { overflow-x: auto; }
  .code pre, .prompt-block pre { word-break: break-word; }
}

@media (max-width: 560px) {
  .page { font-size: 11pt; }
  .page .page-body { padding: 52px 20px 14px; }
  .run-head { left: 20px; right: 20px; font-size: 8pt; }
  .run-foot { margin: 0 20px; font-size: 8pt; }

  /* viewer chrome wraps cleanly instead of cramping */
  .viewer-bar { flex-wrap: wrap; gap: 8px 12px; padding: 10px 16px; }
  .viewer-bar .left, .viewer-bar .right { gap: 12px; flex-wrap: wrap; }

  /* cover */
  .cover-frame { margin: 12px; padding: 30px 22px 24px; }
  .cover-top { flex-wrap: wrap; gap: 8px; }
  .cover-vol { margin-top: 28px; }
  .cover-author .who { font-size: 18pt; }
  .cover-foot { flex-direction: column; gap: 6px; }

  /* chapter */
  .chapter-bar { padding: 40px 22px 34px; }
  .chapter-bar .num { opacity: 0.4; top: 20px; right: 20px; }
  .chapter-cover-body { padding: 32px 22px; }

  /* body type eases down a touch for narrow columns */
  h2.body-h2 { font-size: 17pt; }
  h2.body-h2.small { font-size: 15pt; }
  .pull { font-size: 14pt; }
  .closing-cta { width: 100%; justify-content: center; }
}

@media print {
  body { background: #fff; }
  .viewer-bar, .toc-side { display: none; }
  .stack { gap: 0; padding: 0; }
  .page {
    box-shadow: none;
    min-height: 1056px;
    page-break-after: always;
    break-after: page;
  }
  .page:last-child { page-break-after: auto; break-after: auto; }
  /* print-only vertical compression so dense pages settle onto one sheet */
  .page .page-body { padding-top: 58px; padding-bottom: 12px; }
  .section-divider { margin: 16px 0 9px; }
  .section-divider[style] { margin-top: 18px !important; }
  h2.body-h2 { margin-bottom: 10px; }
  h3.body-h3 { margin: 12px 0 6px; }
  p { margin-bottom: 7pt; }
  .callout { margin: 10px 0; padding: 11px 16px 9px; }
  .callout .label { margin-bottom: 8px; }
  .code, .prompt-block { margin: 10px 0; padding: 12px 18px; line-height: 1.45; }
  .body-table { margin: 10px 0; }
  .body-table tbody td, .body-table thead th { padding-top: 7px; padding-bottom: 7px; }
  .pull { margin: 13px 0; padding: 15px 0; }
  ol.num-list li, .icon-list li { padding-top: 6px; padding-bottom: 6px; }
  ul.plain-bullets li { margin-bottom: 5px; }
  .run-foot { padding: 10px 0 16px; }
  /* never split a code/prompt/table/callout block across sheets */
  .code, .prompt-block, .body-table, .callout, .pull,
  ol.num-list li, .icon-list li, .closing-card, tr {
    page-break-inside: avoid;
    break-inside: avoid;
  }
  h2, h3, h4 { break-after: avoid; page-break-after: avoid; }
}