:root {
  --wb-ground: #e8effb;
  --wb-sheet: #ffffff;
  --wb-ink: #173b81;
  --wb-blue: #244dab;
  --wb-butter: #f5df83;
  --wb-soft-blue: #cddbf5;
  --wb-rule: #7385b3;
  --wb-focus: #5c246a;
  --wb-font: "Work Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --wb-copy: 1.125rem;
  --wb-small: 1rem;
  --wb-leading: 1.65;
  --wb-gutter: clamp(1.25rem, 4vw, 4.5rem);
  --wb-gap: clamp(1.5rem, 3.8vw, 4rem);
  --wb-page: 85rem;
  --wb-measure: 65ch;
  --wb-radius: 1.5rem;
  --wb-stroke: 3px;
  --wb-underline: 0.12em;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 1.5rem; }
body { margin: 0; background: var(--wb-ground); color: var(--wb-ink); font-family: var(--wb-font); font-size: var(--wb-copy); font-weight: 450; line-height: var(--wb-leading); }
a { color: inherit; text-decoration-thickness: var(--wb-underline); text-underline-offset: 0.22em; }
a:hover { text-decoration-style: double; }
a, button, textarea { -webkit-tap-highlight-color: var(--wb-soft-blue); }
:focus-visible { outline: 3px solid var(--wb-focus); outline-offset: 5px; }
h1, h2, h3, p, ol, ul, dl { margin: 0; }
h1, h2, h3 { line-height: 1.12; font-weight: 750; text-wrap: balance; }
h1 { font-size: clamp(2.7rem, 5.6vw, 5.3rem); letter-spacing: -0.055em; font-weight: 850; }
h2 { font-size: clamp(2rem, 3vw, 3rem); letter-spacing: -0.04em; }
h3 { font-size: clamp(1.35rem, 2vw, 1.6rem); letter-spacing: -0.02em; }
p, li, dd, dt, label, button, textarea { overflow-wrap: anywhere; }
button, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; }
[hidden] { display: none !important; }

.wb-skip { position: absolute; z-index: 5; top: -10rem; left: 1rem; display: flex; align-items: center; min-height: 3rem; padding: 0.6rem 1rem; background: var(--wb-sheet); }
.wb-skip:focus { top: 1rem; }
.wb-masthead { max-width: var(--wb-page); margin: auto; padding: 1.5rem var(--wb-gutter); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 2rem; align-items: center; }
.wb-masthead-name { display: inline-flex; align-items: center; min-height: 3rem; font-weight: 800; font-size: 1.3rem; text-decoration: none; letter-spacing: -0.035em; }
.wb-masthead-dot { color: var(--wb-blue); font-size: 2.4rem; line-height: 1; }
.wb-masthead > p { font-size: var(--wb-small); }
.wb-chapters { border-top: var(--wb-stroke) solid var(--wb-ink); border-bottom: var(--wb-stroke) solid var(--wb-ink); padding: 0.5rem var(--wb-gutter) 0.75rem; }
.wb-chapters-title { max-width: calc(var(--wb-page) - 2 * var(--wb-gutter)); margin: 0 auto 0.2rem; font-size: var(--wb-small); font-weight: 650; }
.wb-chapters-list { max-width: calc(var(--wb-page) - 2 * var(--wb-gutter)); margin: auto; padding: 0; display: flex; gap: 0.5rem 1rem; justify-content: space-between; list-style: none; }
.wb-chapters-list li { min-width: 0; }
.wb-chapters-list a { display: flex; gap: 0.6rem; align-items: center; min-height: 3rem; font-size: var(--wb-small); font-weight: 550; text-decoration: none; }
.wb-chapters-list a:hover span:last-child { text-decoration: underline; text-decoration-thickness: var(--wb-underline); text-underline-offset: 0.22em; }
.wb-tab-letter { display: grid; flex: 0 0 1.7rem; width: 1.7rem; height: 1.7rem; place-items: center; background: var(--wb-butter); border-radius: 50%; font-size: var(--wb-small); font-weight: 800; }
.wb-reading { max-width: var(--wb-page); margin: auto; padding: 0 var(--wb-gutter); }
.wb-reading:focus { outline: none; }
.wb-opening { padding: clamp(2.5rem, 5.5vw, 5rem) 0 clamp(3rem, 6.8vw, 6rem); display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: var(--wb-gap); align-items: center; }
.wb-running-title { font-size: var(--wb-copy); margin-bottom: 1rem; font-weight: 600; }
.wb-deck { margin-top: 1.5rem; max-width: 48ch; font-size: clamp(1.2rem, 1.7vw, 1.4rem); line-height: 1.5; }
.wb-turn { display: inline-flex; min-height: 3.75rem; align-items: center; justify-content: space-between; gap: 1.5rem; margin-top: 1.5rem; border-bottom: var(--wb-stroke) solid var(--wb-ink); padding: 0.5rem 0; font-weight: 650; text-decoration: none; }
.wb-turn span { font-size: 2rem; line-height: 1; }
.wb-first-answer { position: relative; background: var(--wb-butter); padding: 3rem 2rem 2rem; border-radius: 7rem var(--wb-radius) var(--wb-radius) var(--wb-radius); box-shadow: 0.7rem 0.7rem 0 var(--wb-soft-blue); }
.wb-question-mark { display: block; font-size: clamp(5rem, 9vw, 8rem); font-weight: 850; line-height: 0.85; margin: 0 0 1.75rem; }
.wb-first-answer-label { font-weight: 750; font-size: 1.3rem; line-height: 1.3; }
.wb-first-answer p + p { margin-top: 1rem; }
.wb-first-answer p:last-child { font-size: var(--wb-small); }
.wb-chapter { display: grid; grid-template-columns: minmax(8rem, 0.7fr) minmax(0, 2.4fr); gap: var(--wb-gap); padding: clamp(2.75rem, 5.5vw, 5rem) 0; border-top: var(--wb-stroke) solid var(--wb-ink); }
.wb-chapter-side { padding-top: 0.4rem; }
.wb-chapter-tag { font-size: var(--wb-copy); font-weight: 650; line-height: 1.4; }
.wb-big-letter { display: block; font-size: clamp(6rem, 10vw, 9rem); font-weight: 850; line-height: 1; letter-spacing: -0.07em; margin-top: 1.5rem; }
.wb-big-bracket { display: block; margin-top: 1.7rem; font-weight: 800; font-size: 3.8rem; letter-spacing: -0.08em; line-height: 1; }
.wb-margin-note { font-size: var(--wb-small); line-height: 1.5; margin-top: 1.5rem; max-width: 15ch; }
.wb-prose { max-width: var(--wb-measure); min-width: 0; }
.wb-prose > p { margin-top: 1.15rem; }
.wb-prose > h3 { margin-top: 2.1rem; }
.wb-conversation { margin: 2rem 0 0; padding: 1.5rem 1.6rem; background: var(--wb-sheet); border-radius: var(--wb-radius) 3rem var(--wb-radius) var(--wb-radius); border-left: 0.45rem solid var(--wb-blue); }
.wb-conversation p + p, .wb-conversation h3 + p { margin-top: 0.9rem; }
.wb-conversation-cue { font-weight: 750; font-size: 1.3rem; line-height: 1.35; }
.wb-conversation-butter { background: var(--wb-butter); border-left: none; border-radius: var(--wb-radius) var(--wb-radius) 3.5rem var(--wb-radius); }
.wb-endnotes { margin-top: 2rem; padding-top: 1rem; border-top: 2px solid var(--wb-rule); font-size: var(--wb-small); }
.wb-endnotes-label { font-weight: 700; }
.wb-endnotes ul { list-style: none; margin-top: 0.4rem; padding: 0; }
.wb-endnotes a { display: flex; align-items: center; min-height: 3rem; padding: 0.5rem 0; line-height: 1.5; }
.wb-page-turn { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin: 0 0 4rem; padding: 1.75rem 2rem; background: var(--wb-soft-blue); border-radius: var(--wb-radius); }
.wb-page-turn a { display: flex; min-height: 3.25rem; align-items: center; gap: 1.25rem; font-weight: 750; }
.wb-page-turn a span { font-size: 1.8rem; line-height: 1; }
.wb-colophon { border-top: var(--wb-stroke) solid var(--wb-ink); padding: 2rem var(--wb-gutter) 2.5rem; font-size: var(--wb-small); }
.wb-colophon > p { max-width: 70ch; margin: auto; text-align: center; }
.wb-colophon-links { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 0.5rem 2rem; margin-top: 1rem; }
.wb-colophon-links a { display: flex; align-items: center; min-height: 3rem; padding: 0.4rem 0; }

.wb-opening-questions { grid-template-columns: minmax(0, 1.9fr) minmax(0, 1fr); }
.wb-opening-questions h1 { font-size: clamp(2.8rem, 5.8vw, 5rem); }
.wb-pocket-thought { border: var(--wb-stroke) solid var(--wb-ink); border-radius: 50% 50% var(--wb-radius) var(--wb-radius); padding: 3rem 1.75rem 1.75rem; background: var(--wb-butter); text-align: center; }
.wb-pocket-thought p { font-weight: 800; font-size: clamp(1.75rem, 2.5vw, 2.4rem); line-height: 1.2; letter-spacing: -0.035em; }
.wb-pocket-thought a { display: inline-flex; align-items: center; min-height: 3rem; margin-top: 1.25rem; font-size: var(--wb-small); gap: 0.7rem; }
.wb-pause-note { margin-top: 2rem; padding: 1.5rem; border-top: 0.5rem solid var(--wb-blue); background: var(--wb-sheet); border-radius: 0 0 var(--wb-radius) var(--wb-radius); }
.wb-pause-note-label { font-weight: 750; }
.wb-pause-note p + p { margin-top: 0.9rem; }
.wb-bill-spread { margin: 1rem 0 4rem; background: var(--wb-butter); border-radius: 4.5rem var(--wb-radius) var(--wb-radius) var(--wb-radius); padding: clamp(1.5rem, 4vw, 3rem); display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.8fr); gap: var(--wb-gap); }
.wb-bill-header { min-width: 0; }
.wb-bill-letter { display: block; font-weight: 850; font-size: 6rem; line-height: 1; margin: 1rem 0; }
.wb-bill-header h2 { font-size: clamp(2rem, 3.5vw, 3.5rem); }
.wb-bill-body { min-width: 0; max-width: var(--wb-measure); }
.wb-bill-body > p + p { margin-top: 1rem; }
.wb-bill-lines { margin: 1.5rem 0; }
.wb-bill-lines > div { border-top: 2px solid var(--wb-ink); padding: 1rem 0; }
.wb-bill-lines dt { font-weight: 750; margin-bottom: 0.25rem; }
.wb-bill-lines dd { margin: 0; }
.wb-bill-body .wb-endnotes { border-color: var(--wb-ink); }
.wb-notebook { background: var(--wb-sheet); margin: 0 0 3rem; padding: clamp(1.5rem, 4vw, 3rem); border-radius: var(--wb-radius) 4rem var(--wb-radius) var(--wb-radius); border-top: 0.7rem solid var(--wb-blue); }
.wb-notebook-header { max-width: var(--wb-measure); margin-bottom: 2rem; }
.wb-note-letter { float: left; font-size: 4.5rem; line-height: 0.95; font-weight: 850; margin-right: 1.25rem; }
.wb-notebook-header h2 { margin: 0.5rem 0 1rem; }
.wb-notebook-header > p:last-child { clear: both; }
.wb-note-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.6rem; }
.wb-note-field { display: flex; flex-direction: column; gap: 0.5rem; min-width: 0; }
.wb-note-field label { font-size: var(--wb-copy); font-weight: 650; }
.wb-note-field textarea { width: 100%; min-height: 10rem; padding: 0.8rem; border: 2px solid var(--wb-ink); border-radius: 0.75rem; background: var(--wb-ground); color: var(--wb-ink); font-size: var(--wb-copy); line-height: 1.6; resize: vertical; }
.wb-note-tools { max-width: var(--wb-measure); margin-top: 2rem; }
.wb-note-tools > p { font-size: var(--wb-small); }
.wb-note-tools > p + p { margin-top: 0.6rem; }
.wb-note-buttons { display: flex; flex-wrap: wrap; gap: 0.8rem; margin: 1.2rem 0; }
.wb-note-buttons button { min-height: 3.25rem; border: 2px solid var(--wb-blue); border-radius: 0.8rem; padding: 0.7rem 1rem; background: var(--wb-blue); color: var(--wb-sheet); font-weight: 650; font-size: var(--wb-small); }
.wb-note-buttons button:hover { background: var(--wb-ink); }
.wb-note-buttons .wb-note-erase { background: var(--wb-sheet); color: var(--wb-ink); }
.wb-note-buttons .wb-note-erase:hover { background: var(--wb-ground); }
.wb-note-buttons button:disabled { background: var(--wb-ground); color: var(--wb-ink); border-color: var(--wb-rule); }
.wb-note-status { font-weight: 650; min-height: 3.3rem; }
.wb-missing { max-width: 50rem; padding: 5rem 0; }
.wb-missing h1 { font-size: clamp(2.7rem, 5vw, 4.5rem); }
.wb-missing > p + p, .wb-missing h1 + p { margin-top: 1.5rem; }

@media (max-width: 68rem) {
  .wb-chapters-list { flex-wrap: wrap; justify-content: flex-start; gap: 0.3rem 1.75rem; }
  .wb-chapters-list li { flex: 0 1 auto; }
  .wb-first-answer { padding: 2.5rem 1.5rem 1.5rem; }
  .wb-chapter { grid-template-columns: minmax(7rem, 0.6fr) minmax(0, 2.4fr); }
}

@media (max-width: 48rem) {
  :root { --wb-gap: 1.5rem; }
  .wb-masthead { padding-top: 1rem; padding-bottom: 1rem; }
  .wb-chapters-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.2rem 1rem; }
  .wb-chapters-list a { align-items: center; line-height: 1.25; min-height: 3.5rem; }
  .wb-chapters-list li:last-child { grid-column: 1 / -1; }
  .wb-opening, .wb-opening-questions { grid-template-columns: minmax(0, 1fr); gap: 2.25rem; }
  .wb-opening h1 { max-width: 17ch; }
  .wb-first-answer { padding: 1.75rem; border-radius: 3.5rem var(--wb-radius) var(--wb-radius) var(--wb-radius); box-shadow: 0.4rem 0.4rem 0 var(--wb-soft-blue); }
  .wb-question-mark { float: right; font-size: 4.5rem; margin: 0 0 0.5rem 0.8rem; }
  .wb-first-answer-label { max-width: 17ch; }
  .wb-chapter { display: block; }
  .wb-chapter-side { display: flex; align-items: center; gap: 1.25rem; margin-bottom: 1.5rem; padding: 0; }
  .wb-big-letter, .wb-big-bracket { font-size: 3rem; margin: 0; order: -1; }
  .wb-margin-note { max-width: none; margin-top: 0; border-left: 2px solid var(--wb-rule); padding-left: 1rem; }
  .wb-conversation { padding: 1.4rem; }
  .wb-prose { max-width: none; }
  .wb-page-turn { padding: 1.5rem; margin-bottom: 2.5rem; }
  .wb-page-turn a { width: 100%; justify-content: space-between; }
  .wb-pocket-thought { padding: 1.5rem; border-radius: var(--wb-radius) 3.5rem var(--wb-radius) var(--wb-radius); text-align: left; }
  .wb-pocket-thought p { font-size: 1.9rem; }
  .wb-pocket-thought a { margin-top: 0.6rem; }
  .wb-bill-spread { grid-template-columns: minmax(0, 1fr); border-radius: 3rem var(--wb-radius) var(--wb-radius) var(--wb-radius); margin: 0 0 2.5rem; }
  .wb-bill-header { position: relative; padding-right: 2.5rem; }
  .wb-bill-letter { position: absolute; right: 0; top: 0; margin: 0; font-size: 2.8rem; }
  .wb-bill-header h2 { margin-top: 1rem; }
  .wb-note-fields { grid-template-columns: minmax(0, 1fr); }
  .wb-notebook { border-radius: var(--wb-radius) 3rem var(--wb-radius) var(--wb-radius); }
  .wb-note-letter { font-size: 3.5rem; margin-right: 0.7rem; }
  .wb-note-buttons { flex-direction: column; align-items: stretch; }
  .wb-colophon > p { text-align: left; }
  .wb-colophon-links { justify-content: flex-start; align-items: flex-start; flex-direction: column; gap: 0.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media print {
  :root { --wb-ground: #ffffff; --wb-ink: #000000; --wb-blue: #000000; --wb-butter: #ffffff; --wb-soft-blue: #ffffff; --wb-copy: 12pt; --wb-small: 12pt; }
  .wb-reading { padding: 0; }
  .wb-chapters, .wb-turn, .wb-page-turn, .wb-colophon-links, .wb-note-buttons, .wb-note-status { display: none; }
  .wb-opening, .wb-chapter, .wb-bill-spread { display: block; }
  .wb-opening { padding: 1rem 0; }
  .wb-first-answer, .wb-pocket-thought { margin-top: 1rem; box-shadow: none; }
  .wb-chapter, .wb-notebook { padding: 1rem 0; }
  .wb-big-letter, .wb-big-bracket, .wb-margin-note { display: none; }
  .wb-prose { max-width: none; }
  .wb-note-field { break-inside: avoid; }
  .wb-note-field textarea { min-height: 8rem; }
  h2, h3 { break-after: avoid; }
}