/* A quiet, optional reading view. Book colours remain outside this view. */
.sample-reader-open[hidden] { display: none !important; }
.reader-mode {
  --reader-paper: #fff;
  --reader-ink: #242426;
  --reader-muted: #6a6a70;
  --reader-line: #e7e7e9;
  --reader-soft: #f3f3f5;
  --reader-type: 1.3125rem;
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100%;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: var(--reader-paper);
  color: var(--reader-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  text-align: left;
  overflow: hidden;
  color-scheme: light;
}
.reader-mode:not([open]) { display: none; }
.reader-mode[open] { display: flex; flex-direction: column; }
.reader-mode::backdrop { background: var(--reader-paper, #fff); }
.reader-mode *, .reader-mode *::before, .reader-mode *::after { box-sizing: border-box; }
.reader-mode [hidden] { display: none !important; }
.reader-mode[data-reader-size="small"] { --reader-type: 1.125rem; }
.reader-mode[data-reader-size="large"] { --reader-type: 1.5rem; }
.reader-mode .reader-mode__bar {
  flex: none;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  min-height: 83px;
  padding: max(12px, env(safe-area-inset-top)) max(32px, env(safe-area-inset-right)) 12px max(32px, env(safe-area-inset-left));
  border-bottom: 1px solid var(--reader-line);
  background: var(--reader-paper);
}
.reader-mode button, .reader-mode a {
  -webkit-tap-highlight-color: transparent;
  font-family: inherit;
  font-style: normal;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0;
  color: var(--reader-ink);
  text-transform: none;
  text-decoration: none;
  border: 0;
  box-shadow: none;
  background: transparent;
  cursor: pointer;
}
.reader-mode button:focus-visible, .reader-mode a:focus-visible {
  outline: 2px solid var(--reader-ink);
  outline-offset: 4px;
}
.reader-mode .reader-mode__back {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 12px;
  min-height: 44px;
  padding: 8px 0;
  border-radius: 4px;
}
.reader-mode__back-arrow { font-size: 22px; font-weight: 400; }
.reader-mode__back-short { display: none; }
.reader-mode__controls { display: flex; align-items: center; justify-self: end; gap: 16px; flex-shrink: 0; }
.reader-mode .reader-mode__theme { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 1px solid var(--reader-line); border-radius: 50%; }
.reader-mode__theme span { display: flex; }
.reader-mode__theme .reader-mode__sun, .reader-mode__theme[aria-pressed="true"] .reader-mode__moon { display: none; }
.reader-mode__theme[aria-pressed="true"] .reader-mode__sun { display: flex; }
.reader-mode__bar-label { font-size: 12px; letter-spacing: .1em; color: var(--reader-muted); text-transform: uppercase; }
.reader-mode__sizes {
  display: flex;
  justify-self: end;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--reader-line);
  border-radius: 999px;
}
.reader-mode .reader-mode__sizes button { min-width: 44px; min-height: 44px; padding: 7px; border-radius: 50%; }
.reader-mode .reader-mode__sizes button[data-reader-size-choice="small"] { font-size: 13px; }
.reader-mode .reader-mode__sizes button[data-reader-size-choice="normal"] { font-size: 17px; }
.reader-mode .reader-mode__sizes button[data-reader-size-choice="large"] { font-size: 21px; }
.reader-mode .reader-mode__sizes button[aria-pressed="true"] { background: var(--reader-ink); color: var(--reader-paper); }
.reader-mode__scroll { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable both-edges; }
.reader-mode__scroll:focus-visible { outline: 2px solid var(--reader-ink); outline-offset: -4px; }
.reader-mode__page { width: min(680px, calc(100% - 56px)); margin: 0 auto; padding: clamp(58px, 9vh, 104px) 0 max(90px, env(safe-area-inset-bottom)); }
.reader-mode__heading { margin: 0 0 54px; padding: 0 0 38px; border-bottom: 1px solid var(--reader-line); }
.reader-mode .reader-mode__eyebrow { margin: 0 0 18px; color: var(--reader-muted); font-size: 13px; line-height: 1.6; }
.reader-mode .reader-mode__heading h2 { margin: 0; max-width: 620px; font-family: inherit; font-size: clamp(30px, 3.5vw, 46px); font-weight: 600; letter-spacing: -.045em; line-height: 1.15; text-wrap: balance; color: var(--reader-ink); }
.reader-mode .reader-mode__chapter { margin: 28px 0 0; font-size: 14px; font-weight: 400; line-height: 1.65; color: var(--reader-muted); }
.reader-mode__text { font-family: Georgia, "Times New Roman", serif; font-size: var(--reader-type); line-height: 1.85; overflow-wrap: break-word; }
.reader-mode__text p { margin: 0 0 1.2em; padding: 0; color: inherit; }
.reader-mode__text em { font-style: italic; }
.reader-mode__end { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin-top: 65px; padding-top: 32px; border-top: 1px solid var(--reader-line); }
.reader-mode__end > p { flex-basis: 100%; margin: 0 0 10px; color: var(--reader-muted); font-size: 15px; }
.reader-mode .reader-mode__action { display: inline-flex; gap: 18px; align-items: center; min-height: 48px; padding: 13px 22px; border: 1px solid var(--reader-ink); border-radius: 999px; }
.reader-mode .reader-mode__return { min-height: 44px; padding: 10px 0; border-radius: 3px; color: var(--reader-muted); }
@media (hover: hover) {
  .reader-mode .reader-mode__back:hover, .reader-mode .reader-mode__return:hover { text-decoration: underline; text-underline-offset: 4px; }
  .reader-mode .reader-mode__theme:hover, .reader-mode .reader-mode__action:hover, .reader-mode .reader-mode__sizes button:not([aria-pressed="true"]):hover { background: var(--reader-soft); }
}
:root[data-theme="dark"] .reader-mode {
  --reader-paper: #171719;
  --reader-ink: #e9e9eb;
  --reader-muted: #aaaab1;
  --reader-line: #343437;
  --reader-soft: #262629;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .reader-mode {
    --reader-paper: #171719;
    --reader-ink: #e9e9eb;
    --reader-muted: #aaaab1;
    --reader-line: #343437;
    --reader-soft: #262629;
    color-scheme: dark;
  }
}
@media (max-width: 600px) {
  .reader-mode { --reader-type: 1.1875rem; }
  .reader-mode[data-reader-size="large"] { --reader-type: 1.375rem; }
  .reader-mode .reader-mode__bar { display: flex; justify-content: space-between; gap: 10px; min-height: 75px; padding-right: max(18px, env(safe-area-inset-right)); padding-left: max(18px, env(safe-area-inset-left)); }
  .reader-mode__bar-label { display: none; }
  .reader-mode .reader-mode__back { gap: 8px; font-size: 13px; }
  .reader-mode__back-label { display: none; }
  .reader-mode__back-short { display: inline; }
  .reader-mode__controls { gap: 8px; }
  .reader-mode__sizes { gap: 0; padding: 2px; }
  .reader-mode .reader-mode__sizes button { min-width: 44px; min-height: 44px; }
  .reader-mode__scroll { scrollbar-gutter: auto; }
  .reader-mode__page { width: calc(100% - 44px); padding-top: 45px; padding-bottom: max(65px, env(safe-area-inset-bottom)); }
  .reader-mode__heading { margin-bottom: 35px; padding-bottom: 30px; }
  .reader-mode .reader-mode__eyebrow { font-size: 12px; }
  .reader-mode__text { line-height: 1.8; }
  .reader-mode__end { margin-top: 46px; }
}
@media (max-width: 350px) {
  .reader-mode .reader-mode__bar { padding-right: 12px; padding-left: 12px; gap: 6px; }
  .reader-mode__page { width: calc(100% - 36px); }
}
@media (forced-colors: active) {
  .reader-mode { --reader-paper: Canvas; --reader-ink: CanvasText; --reader-muted: CanvasText; --reader-line: ButtonBorder; --reader-soft: Canvas; }
  .reader-mode .reader-mode__sizes button[aria-pressed="true"] { outline: 2px solid Highlight; outline-offset: -4px; }
}