:root {
  --minimum-usable-illustration-block: 12rem;
  --ordinary-reader-block-reserve: clamp(20rem, 34dvh, 22rem);
  color-scheme: light;
  font-family: ui-rounded, "Trebuchet MS", system-ui, sans-serif;
  font-size: 100%;
  color: #1f2440;
  background: #f4efff;
  --ink: #1f2440;
  --muted-ink: #4b4e68;
  --paper: #fffdf8;
  --lavender: #e8ddff;
  --violet: #5a328c;
  --violet-dark: #351d5c;
  --gold: #f4c95d;
  --focus: #006b5f;
  --border: #7f69a9;
}

* {
  box-sizing: border-box;
}

html {
  min-inline-size: 0;
  scroll-behavior: smooth;
}

body {
  min-inline-size: 0;
  margin: 0;
  line-height: 1.55;
  background: linear-gradient(180deg, #ede5ff 0, #faf7ff 34rem, #f4efff 100%);
}

img {
  display: block;
  max-inline-size: 100%;
  block-size: auto;
}

a {
  color: var(--violet-dark);
}

a:focus-visible,
[tabindex="-1"]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  inset-block-start: 0.5rem;
  inset-inline-start: 0.5rem;
  z-index: 20;
  padding: 0.8rem 1rem;
  background: var(--paper);
  border: 3px solid var(--focus);
  border-radius: 0.5rem;
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
main,
.reader-failure {
  inline-size: min(100% - 2rem, 76rem);
  margin-inline: auto;
}

.reader-failure {
  padding: 1rem;
  border: 3px solid #8f1934;
  border-radius: 0.75rem;
  color: #611125;
  background: #fff2f4;
  font-weight: 800;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}

.site-header h1 {
  min-inline-size: 0;
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 2rem);
  overflow-wrap: anywhere;
}

.site-header nav a,
.reader-control {
  display: inline-flex;
  min-inline-size: 44px;
  min-block-size: 44px;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border: 2px solid var(--violet-dark);
  border-radius: 999px;
  color: #fff;
  background: var(--violet);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.site-header nav a:hover,
.reader-control:hover {
  background: var(--violet-dark);
}

main {
  padding-block: 1rem 3rem;
}

.surface {
  min-inline-size: 0;
  margin-block: 1rem 2rem;
  padding: clamp(1rem, 4vw, 2.5rem);
  border: 2px solid var(--border);
  border-radius: 1.25rem;
  background: var(--paper);
  box-shadow: 0 0.7rem 2rem rgb(53 29 92 / 12%);
}

.surface[hidden] {
  display: none !important;
}

.surface-heading {
  margin-block-end: 1rem;
}

.surface-heading h2,
.surface-heading p {
  margin-block: 0;
}

.surface-heading h2 {
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.progress {
  color: var(--muted-ink);
  font-weight: 700;
}

.cover-surface {
  display: grid;
  justify-items: center;
  text-align: center;
}

.cover-primary-target {
  display: grid;
  min-inline-size: 0;
  inline-size: min(100%, 72rem);
  justify-items: center;
  gap: 0.75rem;
  padding: 0.25rem;
  border: 3px solid transparent;
  border-radius: 1rem;
  color: inherit;
  text-decoration: none;
}

.cover-primary-target:hover {
  border-color: var(--gold);
  background: #fff8da;
}

.cover-primary-target:focus-visible {
  border-color: var(--focus);
}

.cover-art {
  inline-size: min(100%, 28rem);
  margin: 0;
}

.cover-art img,
.story-page img {
  inline-size: 100%;
  min-block-size: var(--minimum-usable-illustration-block);
  border: 2px solid var(--border);
  border-radius: 1rem;
  background: var(--lavender);
}

img[data-load-failure="true"] {
  min-block-size: 9rem;
  padding: 1rem;
  border-style: dashed;
}

.image-failure {
  margin-block-start: 0.5rem;
  color: #7b1e2f;
  font-weight: 700;
}

.cover-title {
  max-inline-size: 22ch;
  margin: 0;
  font-size: clamp(1.7rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.primary-control {
  margin-block-start: 0.75rem;
  background: #3f2874;
  font-size: 1.1rem;
}

.reading-spread {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: clamp(1rem, 3vw, 2rem);
}

.page-target {
  display: block;
  min-inline-size: 0;
  border: 3px solid transparent;
  border-radius: 1rem;
  color: inherit;
  text-decoration: none;
}

.page-target:hover {
  border-color: var(--gold);
  background: #fff8da;
}

.page-target:focus-visible {
  border-color: var(--focus);
}

.story-page,
.story-page figure,
.page-copy {
  min-inline-size: 0;
}

.story-page figure {
  margin: 0;
}

.story-page img {
  aspect-ratio: 2 / 3;
  object-fit: contain;
}

.page-copy {
  padding: 1rem;
}

.page-copy h3 {
  margin-block: 0 0.5rem;
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  overflow-wrap: anywhere;
}

.page-copy p {
  margin: 0;
  font-size: clamp(1rem, 2.3vw, 1.35rem);
}

.reader-navigation {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-block-start: 1.5rem;
}

@media (min-width: 50.01rem) and (min-height: 45rem) {
  .site-header {
    padding-block: 0.6rem;
  }

  main {
    inline-size: min(
      calc(100% - clamp(3rem, 6vw, 7rem)),
      88rem,
      calc((100dvh - var(--ordinary-reader-block-reserve)) * 4 / 3)
    );
    padding-block: 0.5rem 1rem;
  }

  .surface {
    margin-block: 0.5rem 1rem;
    padding: clamp(0.75rem, 1.6vw, 1.25rem);
  }

  .surface-heading {
    margin-block-end: 0.5rem;
    text-align: center;
  }

  .surface-heading h2 {
    font-size: clamp(1rem, 1.5vw, 1.3rem);
  }

  .cover-primary-target {
    grid-template-columns: minmax(12rem, 1fr) minmax(0, 1fr);
    align-items: center;
    justify-items: stretch;
    gap: clamp(1rem, 3vw, 2.5rem);
    text-align: left;
  }

  .cover-art {
    justify-self: center;
  }

  .reading-spread {
    gap: clamp(4px, 0.7vw, 10px);
  }

  .page-copy {
    padding: clamp(0.45rem, 0.8vw, 0.72rem);
  }

  .page-copy h3 {
    margin-block-end: 0.3rem;
    font-size: clamp(1rem, 1.7vw, 1.35rem);
    line-height: 1.14;
  }

  .page-copy p {
    font-size: 1rem;
    line-height: 1.35;
  }

  .reader-navigation {
    margin-block-start: 0.5rem;
  }
}

.back-cover {
  text-align: center;
}

.back-cover-narrative {
  margin-block: clamp(2rem, 8vw, 6rem);
  font-size: clamp(1.5rem, 5vw, 3rem);
  font-weight: 800;
}

.back-cover-narrative p {
  margin-block: 0.5rem;
}

.grown-ups {
  max-inline-size: 58rem;
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 50rem) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .reading-spread,
  .status-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .status-row {
    gap: 0.25rem;
  }
}

@media (max-width: 24rem) {
  .site-header,
  main,
  .reader-failure {
    inline-size: min(100% - 1rem, 76rem);
  }

  .surface {
    padding: 0.75rem;
    border-radius: 0.75rem;
  }

  .reader-navigation,
  .reader-control {
    inline-size: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .surface,
  .cover-art img,
  .story-page img,
  .page-target,
  .reader-control,
  .site-header nav a {
    border-color: CanvasText;
    box-shadow: none;
    forced-color-adjust: auto;
  }

  .page-target:focus-visible,
  .reader-control:focus-visible,
  .site-header nav a:focus-visible {
    outline: 3px solid Highlight;
  }
}

html { scroll-behavior: auto; }
.sr-only { overflow: hidden; }
.site-header { padding-block: 0.25rem; gap: 0.5rem; }
.site-header h1 { font-size: 1.125rem; line-height: 1.25; }
.site-header nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; min-inline-size: 0; }
.site-header nav a { padding: 0.25rem 0.5rem; font-size: 1rem; line-height: 1.2; }
.site-header nav .archive-return { color: var(--violet-dark); background: transparent; border-color: transparent; font-weight: 400; text-decoration: underline; }
.cover-byline { margin: 0; color: var(--muted-ink); font-size: 1rem; }
.site-header, main { inline-size: min(calc(100% - 1rem), 76rem); }
main { padding: 0.25rem 0 0.5rem; }
.surface { margin: 0; padding: 0.625rem; border-radius: 0.875rem; }
.surface-heading { margin: 0 0 0.375rem; text-align: center; }
.surface-heading h2 { font-size: 1rem; line-height: 1.25; }
.reader-navigation { inline-size: 100%; margin-block-start: 0.5rem; gap: 0.5rem; flex-wrap: wrap; }
.reader-navigation .reader-control { flex-shrink: 0; max-inline-size: 100%; }
.reader-navigation .next-control { margin-inline-start: auto; }
.reader-control { inline-size: auto; padding: 0.375rem 0.875rem; font-size: 1rem; line-height: 1.25; }
.primary-control { margin-block-start: 0.5rem; }
.read-aloud-control { display: inline-grid; place-items: center; font-family: inherit; inline-size: calc(11ch + 1.75rem + 4px); max-inline-size: 100%; flex-shrink: 0; cursor: pointer; }
.read-aloud-label, .read-aloud-control::after { grid-area: 1 / 1; min-inline-size: 0; }
.read-aloud-control::after { content: "Stop reading"; visibility: hidden; }
.read-aloud-control[aria-disabled="true"] { border-style: dashed; cursor: not-allowed; }
.read-aloud-control:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.cover-navigation { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 0.5rem; margin-block-start: 0.5rem; max-inline-size: 100%; }
.cover-navigation .primary-control { margin-block-start: 0; }
.grown-ups .surface-heading { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 0.5rem; }
.reading-spread { gap: 1rem; }
.page-target { border-width: 2px; border-radius: 0.625rem; }
.page-copy { padding: 0.5rem 0.125rem 0; }
.page-copy h3 { font-size: 1.25rem; line-height: 1.2; margin: 0 0 0.25rem; }
.page-copy p { font-size: 1.125rem; line-height: 1.4; }
.cover-title { font-size: 1.5rem; line-height: 1.15; max-inline-size: 24ch; }
.cover-primary-target { gap: 0.5rem; padding: 0; border-width: 2px; grid-template-columns: minmax(0, 1fr); }
.cover-art { inline-size: 100%; }
.cover-art img, .story-page img { min-block-size: 0; max-inline-size: 100%; border-radius: 0.625rem; margin-inline: auto; }
.cover-surface { gap: 0.25rem; }
.grown-ups { padding: 1rem; }
html:not([data-enhanced-reader]) .surface { margin-block-end: 1rem; }
html:not([data-enhanced-reader]) .cover-art { max-inline-size: 26rem; }
/* Artwork receives the space left after measured words, headings and controls. */
html[data-enhanced-reader] { --reader-art-height: 18rem; }
html[data-enhanced-reader] main { max-inline-size: 70rem; }
html[data-enhanced-reader] .story-page img,
html[data-enhanced-reader] .cover-art img {
  inline-size: min(100%, calc(var(--reader-art-height) * 2 / 3));
  block-size: auto;
  aspect-ratio: 2 / 3;
  object-fit: contain;
}
html[data-enhanced-reader] .reading-spread { grid-template-columns: repeat(2, minmax(0, 1fr)); }
html[data-enhanced-reader] [hidden] { display: none !important; }
html[data-reader-layout="single"] main { max-inline-size: 36rem; }
html[data-reader-layout="single"] .reading-spread { grid-template-columns: minmax(0, 1fr); }
html[data-reader-layout="landscape"] main { max-inline-size: 64rem; }
html[data-reader-layout="landscape"] .back-cover-narrative { margin-block: 0.5rem; line-height: 1.4; }
html[data-reader-layout="landscape"] .reading-surface,
html[data-reader-layout="landscape"] .cover-surface,
html[data-reader-layout="facing"] .cover-surface {
  display: grid;
  grid-template-columns: minmax(0, 42%) minmax(0, 1fr);
  grid-template-rows: auto 1fr auto;
  column-gap: 1rem;
  align-items: center;
}
html[data-reader-layout="landscape"] .reading-surface,
html[data-reader-layout="landscape"] .cover-surface { padding-block: 0.125rem; }
html[data-reader-layout="landscape"] .reading-spread,
html[data-reader-layout="landscape"] .page-target,
html[data-reader-layout="landscape"] .story-page,
html[data-reader-layout="landscape"] .cover-primary-target,
html[data-reader-layout="facing"] .cover-primary-target { display: contents; }
html[data-reader-layout="landscape"] .story-page figure,
html[data-reader-layout="landscape"] .cover-art,
html[data-reader-layout="facing"] .cover-art { grid-column: 1; grid-row: 1 / 5; align-self: center; }
html[data-reader-layout="landscape"] .surface-heading,
html[data-reader-layout="facing"] .cover-surface .surface-heading { grid-column: 2; grid-row: 1; }
html[data-reader-layout="landscape"] .page-copy,
html[data-reader-layout="landscape"] .cover-title,
html[data-reader-layout="facing"] .cover-title { grid-column: 2; grid-row: 2; }
html[data-reader-layout="landscape"] .reader-navigation { grid-column: 2; grid-row: 3; }
html[data-reader-layout="landscape"] .cover-byline,
html[data-reader-layout="facing"] .cover-byline { grid-column: 2; grid-row: 3; }
html[data-reader-layout="landscape"] .cover-navigation,
html[data-reader-layout="facing"] .cover-navigation { grid-column: 2; grid-row: 4; justify-self: center; }
html[data-reader-layout="facing"] .cover-title { font-size: clamp(1.75rem, 3vw, 3rem); }
.page-target:focus-visible figure, .cover-primary-target:focus-visible figure { outline: 3px solid var(--focus); outline-offset: 2px; }
@media (max-width: 44rem), (max-height: 30rem) {
  .site-header { flex-direction: row; align-items: center; }
  .site-header h1 { position: absolute; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .site-header nav { inline-size: 100%; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 9rem), 1fr)); }
  .site-header nav a:first-child { justify-self: start; }
  .site-header nav .archive-return { max-inline-size: 100%; justify-self: end; }
}
@media (forced-colors: active) {
  .site-header nav .archive-return { color: LinkText; border-color: CanvasText; }
}

/* Match Morningate’s paper and keep return links legible on hover. */
:root { --paper: #fffdf8; }
.site-header nav .archive-return:hover { color: white; background: var(--violet-dark); }

/* Measure the opening surface before showing it, without changing its geometry. */
html[data-reader-starting] main { visibility: hidden; }