/* ————————————————————————————————————————————————————————————
   Cavu Reader — Clear Air.
   CAVU: ceiling and visibility unlimited. High-altitude blues,
   a horizon line, drifting haze. Body prose in Literata (drawn
   for long-form ebook reading), book display in Fraunces, app
   chrome in Jost (geometric, flight-deck).

   Day/night: tokens are defined for light, overridden by the
   prefers-color-scheme media query, and pinned either way by an
   explicit data-theme attribute on <html> (the toggle).
   ———————————————————————————————————————————————————————————— */

:root {
  --paper: #f4f7fb;
  --ink: #1c2836;
  --muted: #5b6b7e;
  --accent: #2456a6;
  --group: #9a5b0e;
  --rule: #d3deea;
  --wash: #e7eef6;
  --card: #ffffff;

  --sky-zenith: #3f6fb4;
  --sky-mid: #a3c3e4;
  --sky-horizon: #eaf1f8;
  --hero-ink: #17273c;
  --hero-top-ink: #f2f6fb;
  --haze-o: 1;
  --flock-o: 0.95;

  --font-body: 'Literata', Georgia, 'Times New Roman', serif;
  --font-display: 'Fraunces', Georgia, serif;
  --font-ui: 'Jost', system-ui, -apple-system, 'Segoe UI', sans-serif;

  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0d141f;
    --ink: #dbe4ef;
    --muted: #8496ac;
    --accent: #85b4ea;
    --group: #e2ac63;
    --rule: #223244;
    --wash: #131d2b;
    --card: #131d2b;

    --sky-zenith: #060b18;
    --sky-mid: #1a3a52;
    --sky-horizon: #2b4a78;
    --hero-ink: #e8eff8;
    --hero-top-ink: #e8eff8;
    --haze-o: 0.35;
    --flock-o: 0.5;
  }
}

:root[data-theme='light'] {
  --paper: #f4f7fb;
  --ink: #1c2836;
  --muted: #5b6b7e;
  --accent: #2456a6;
  --group: #9a5b0e;
  --rule: #d3deea;
  --wash: #e7eef6;
  --card: #ffffff;

  --sky-zenith: #3f6fb4;
  --sky-mid: #a3c3e4;
  --sky-horizon: #eaf1f8;
  --hero-ink: #17273c;
  --hero-top-ink: #f2f6fb;
  --haze-o: 1;
  --flock-o: 0.95;

  color-scheme: light;
}

:root[data-theme='dark'] {
  --paper: #0d141f;
  --ink: #dbe4ef;
  --muted: #8496ac;
  --accent: #85b4ea;
  --group: #e2ac63;
  --rule: #223244;
  --wash: #131d2b;
  --card: #131d2b;

  --sky-zenith: #060b18;
  --sky-mid: #1a3a52;
  --sky-horizon: #2b4a78;
  --hero-ink: #e8eff8;
  --hero-top-ink: #e8eff8;
  --haze-o: 0.35;
  --flock-o: 0.5;

  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent);
}

::selection {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ——— Prose ——————————————————————————————————————————————— */

/* The author's typesetting arrives as data-* hooks and custom properties
   on this container (lib/typeset typesetAttrs); every rule below has a
   default that matches what the book looked like before styling existed,
   so a book with no page.cavu.book#styling renders unchanged. */
.prose {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.78;
  orphans: 2;
  widows: 2;
}

.prose p {
  margin: 0 0 1.1em;
}

.prose .chapter-title,
.prose h1 {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 1.9rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 1.4em;
}

.prose h2,
.prose h3,
.prose h4 {
  font-family: var(--font-display);
  font-weight: 560;
  line-height: 1.2;
  margin: 1.6em 0 0.7em;
}

.prose blockquote {
  margin: 1.4em 0 1.4em 1.2em;
  padding-left: 1.1em;
  border-left: 2px solid var(--rule);
  color: color-mix(in srgb, var(--ink) 78%, var(--muted));
  font-style: italic;
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--rule);
  width: 4.5em;
  margin: 2.4em auto;
}

/* Lists. Item text is set directly in the <li> (never wrapped in a
   paragraph), so the prose indent and justification rules pass over it
   and only these apply. */
.prose ul,
.prose ol {
  margin: 1.2em 0;
  padding-left: 1.8em;
}

.prose li {
  margin: 0.3em 0;
}

/* A nested list belongs to the item above it, not to the page. */
.prose li > ul,
.prose li > ol {
  margin: 0.3em 0 0.4em;
}

.prose figure {
  margin: 1.8em 0;
}

.prose img {
  max-width: 100%;
  height: auto;
  display: block;
}

.prose code {
  font-size: 0.9em;
  background: var(--wash);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

/* Indented paragraphs: set solid, first line indented — the book idiom.
   Anything that already announces a new thought (a heading, a break, a
   quotation) resets the indent, since the space above it does the work. */
.prose[data-paragraphs='indent'] p {
  margin: 0;
  text-indent: 1.3em;
}

.prose[data-paragraphs='indent'] .chapter-title + p,
.prose[data-paragraphs='indent'] h2 + p,
.prose[data-paragraphs='indent'] h3 + p,
.prose[data-paragraphs='indent'] h4 + p,
.prose[data-paragraphs='indent'] hr + p,
.prose[data-paragraphs='indent'] blockquote + p,
.prose[data-paragraphs='indent'] figure + p,
.prose[data-paragraphs='indent'] ul + p,
.prose[data-paragraphs='indent'] ol + p,
.prose[data-paragraphs='indent'] .verse + p,
.prose[data-paragraphs='indent'] .page-break + p,
.prose[data-paragraphs='indent'] .block-edit-void + p,
.prose[data-paragraphs='indent'] p.scene-break,
.prose[data-paragraphs='indent'] p.scene-break + p {
  text-indent: 0;
}

/* Justification. Hyphenation is not optional here — an unhyphenated
   justified column at this measure opens rivers. */
.prose[data-justify='on'] p,
.prose[data-justify='on'] blockquote {
  text-align: justify;
  hyphens: auto;
}

/* Chapter openings. The initial is drawn in the display face so it reads
   as part of the title's voice rather than the body's. */
.prose[data-chapter-initial='dropCap'] .chapter-title + p::first-letter {
  float: left;
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 3.1em;
  line-height: 0.82;
  padding: 0.06em 0.08em 0 0;
}

.prose[data-chapter-initial='raised'] .chapter-title + p::first-letter {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 2.1em;
  line-height: 1;
  padding-right: 0.03em;
}

.prose[data-chapter-initial='smallCaps'] .chapter-title + p::first-line {
  font-variant-caps: small-caps;
  letter-spacing: 0.03em;
}

/* An explicit page break. In a continuous flow there is no page to break
   to, so it reads as a rest; paginated reading and the exports turn it
   into a real break (see .paginated-content below, and export/epub.ts). */
.prose .page-break {
  height: 1.6em;
  margin: 0;
}

/* Scene breaks. An ornament is a paragraph (a rule element can't carry
   text); a drawn rule stays the <hr> it always was, and `blank` keeps the
   air but hides the line. */
.prose p.scene-break {
  margin: 2.4em 0;
  text-align: center;
  text-indent: 0;
  font-size: 1.25em;
  line-height: 1;
  color: var(--muted);
}

.prose[data-scene-break='blank'] hr.scene-break {
  border-top-color: transparent;
}

/* Verse: hard line breaks, stanzas kept together, set like a song. */
.verse {
  margin: 1.6em 0 1.6em 2.2em;
  font-style: italic;
}

.verse .stanza {
  margin: 0 0 1.2em;
  break-inside: avoid;
  /* Lines arrive as \n in one RichText run (facet offsets span them). */
  white-space: pre-line;
}

/* ——— Screenplays ——————————————————————————————————————————— */

/* A book whose form is screenplay (lib/typeset forces Courier Prime into
   --font-body/--font-display). The elements take the standard US script
   page's indents (lib/screenplay SCREENPLAY_ELEMENTS), in characters of a
   60-character line. A reading column is rarely exactly that wide, so each
   indent is min(its ch value, the same share of the text width): a desktop
   column sets the page's true geometry, a phone squeezes it in proportion.
   Scene numbers hang in a gutter either side of the text. */
.prose[data-form='screenplay'] {
  --sp-gutter: min(5ch, 6%);
  --sp-text: calc(100% - 2 * var(--sp-gutter));
  /* Full size wherever a column holds most of a script line; a phone sets
     the type smaller rather than let every speech wrap word by word. */
  font-size: clamp(0.8125rem, 0.55rem + 1.3vw, 1rem);
  line-height: 1.5;
}

.prose[data-form='screenplay'] .chapter-title {
  font-size: 1em;
  font-weight: 700;
  line-height: inherit;
  letter-spacing: 0;
  text-align: center;
  text-transform: uppercase;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  margin: 0 0 1.5em;
}

.prose[data-form='screenplay'] .sp {
  margin: 1.5em var(--sp-gutter) 0;
  white-space: pre-line;
  break-inside: avoid;
}

.prose[data-form='screenplay'] .sp-scene-heading {
  position: relative;
  font-size: 1em;
  font-weight: 700;
  line-height: inherit;
  text-transform: uppercase;
  margin-top: 3em;
  break-after: avoid;
}

.prose[data-form='screenplay'] .chapter-title + .sp-scene-heading {
  margin-top: 1.5em;
}

/* Scene numbers: the left one is ::after, because the studio's block
   editor labels an open block with ::before — the right number yields to
   that label while the block is being worked on. */
.prose[data-form='screenplay'] .sp-scene-heading[data-scene-number]::after,
.prose[data-form='screenplay'] .sp-scene-heading[data-scene-number]:not(.block-edit-open)::before {
  content: attr(data-scene-number);
  position: absolute;
  top: 0;
  width: var(--sp-gutter);
  font-weight: 400;
  color: var(--muted);
}

.prose[data-form='screenplay'] .sp-scene-heading[data-scene-number]::after {
  right: 100%;
}

.prose[data-form='screenplay'] .sp-scene-heading[data-scene-number]:not(.block-edit-open)::before {
  left: 100%;
  text-align: right;
}

.prose[data-form='screenplay'] .sp-character {
  margin-left: calc(var(--sp-gutter) + min(22ch, var(--sp-text) * 22 / 60));
  text-transform: uppercase;
  break-after: avoid;
}

.prose[data-form='screenplay'] .sp-parenthetical {
  margin-top: 0;
  margin-left: calc(var(--sp-gutter) + min(16ch, var(--sp-text) * 16 / 60));
  max-width: 25ch;
  /* A wrapped parenthetical hangs inside its opening bracket. */
  padding-left: 1ch;
  text-indent: -1ch;
  break-after: avoid;
}

.prose[data-form='screenplay'] .sp-dialogue,
.prose[data-form='screenplay'] .sp-lyric {
  margin-top: 0;
  margin-left: calc(var(--sp-gutter) + min(10ch, var(--sp-text) * 10 / 60));
  max-width: 35ch;
  break-inside: auto;
}

.prose[data-form='screenplay'] .sp-lyric {
  font-style: italic;
}

.prose[data-form='screenplay'] .sp-transition {
  text-align: right;
  text-transform: uppercase;
}

.prose[data-form='screenplay'] .sp-centered {
  text-align: center;
}

/* A phone has no gutter to spare for a second number. */
@media (max-width: 36rem) {
  .prose[data-form='screenplay'] .sp-scene-heading[data-scene-number]::before {
    content: none;
  }
}

/* In-book table of contents block. */
.toc ol,
.contents-list {
  list-style: none;
  margin: 1.5em 0;
  padding: 0;
}

.toc li {
  padding-left: calc(var(--toc-depth, 0) * 1.25em);
}

.toc-entry,
.contents-entry {
  display: flex;
  align-items: baseline;
  gap: 0.6em;
  padding: 0.42em 0;
  color: var(--ink);
  text-decoration: none;
}

.toc-entry:hover .toc-title,
.contents-entry:hover .contents-title {
  color: var(--accent);
}

/* ——— Read-flow structure: covers and chapter pages ————————————— */

/* Cover page from the frontmatter document's coverImage blob. */
.doc-cover {
  margin: 0;
}

.doc-cover img {
  display: block;
  max-width: 100%;
  margin: 0 auto;
  border-radius: 4px;
}

/* Paginated: the cover fills (at most) its own page, then breaks; each
   chapter page starts at the top of a fresh column, like a book. */
.paginated-content .doc-cover {
  break-after: column;
}

.paginated-content .doc-cover img {
  max-height: calc(var(--page-h, 80vh) - 1rem);
}

.paginated-content .chapter + .chapter {
  break-before: column;
}

.paginated-content .doc-cover + .chapter {
  break-before: column;
}

/* Scroll: chapters flow, but a new one announces itself with air. */
.scroll-section .chapter + .chapter {
  margin-top: 6rem;
}

.scroll-section .doc-cover {
  margin: 2rem auto;
  max-width: 24rem;
}

/* Chapter changed after the reader finished it (progress cid drift). */
.contents-updated {
  font-family: var(--font-ui);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-left: 0.5em;
}

.follow-button {
  display: inline-block;
  margin-left: 0.75em;
}

.follow-error {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: color-mix(in srgb, #b23a3a 80%, var(--ink));
  margin-left: 0.6em;
}

.toc-group,
.contents-group {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  padding-top: 1.2em;
}

/* ——— Sky chrome (landing + shelf pages) ——————————————————— */

.air-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.sky {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(
    to bottom,
    var(--sky-zenith) 0%,
    var(--sky-mid) 34%,
    var(--sky-horizon) 62%
  );
  color: var(--hero-ink);
  overflow: hidden;
}

.sky-haze {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(42% 18% at 18% 68%, rgba(255, 255, 255, 0.35), transparent 70%),
    radial-gradient(55% 16% at 78% 55%, rgba(255, 255, 255, 0.28), transparent 70%),
    radial-gradient(30% 12% at 45% 80%, rgba(255, 255, 255, 0.22), transparent 70%);
  opacity: var(--haze-o);
  animation: haze-drift 90s linear infinite alternate;
  pointer-events: none;
}

@keyframes haze-drift {
  from {
    transform: translateX(-4%);
  }
  to {
    transform: translateX(4%);
  }
}

.sky-topbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem clamp(1.25rem, 5vw, 4rem);
  color: var(--hero-top-ink);
}

.sky-wordmark {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: inherit;
  text-decoration: none;
}

.sky-topbar nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.sky-topbar nav a {
  color: inherit;
  text-decoration: none;
  opacity: 0.85;
}

.sky-topbar nav a:hover {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.theme-toggle {
  font-size: 1.05rem;
  line-height: 1;
  color: inherit;
  background: transparent;
  border: 1px solid color-mix(in srgb, currentColor 45%, transparent);
  border-radius: 999px;
  width: 2.1rem;
  height: 2.1rem;
  cursor: pointer;
  opacity: 0.85;
}

.theme-toggle:hover {
  opacity: 1;
}

/* The horizon: a surveyed line with altitude ticks. */
.horizon {
  position: relative;
  flex-shrink: 0;
  border-bottom: 2px solid var(--ink);
  background: repeating-linear-gradient(
      to right,
      var(--ink) 0 1px,
      transparent 1px 10.5rem
    )
    bottom / 100% 14px no-repeat;
  height: 14px;
}

/* ——— Landing ——————————————————————————————————————————————— */

.landing {
  min-height: 100dvh;
}

/* The flock, riding the open sky. White over the day gradient, a
   moonlit silhouette at night (--flock-o follows the theme). */
.landing-flock {
  position: absolute;
  top: clamp(4.5rem, 14vh, 8rem);
  right: clamp(1.5rem, 9vw, 8rem);
  width: clamp(11rem, 26vw, 19rem);
  aspect-ratio: 171.7 / 160;
  color: var(--hero-top-ink);
  opacity: var(--flock-o, 0.95);
  pointer-events: none;
}

/* The bottom padding also keeps the last line clear of the menu flock
   perched in the corner (.reader-nav-toggle). */
.landing-body {
  position: relative;
  margin: auto 0 0;
  padding: 0 clamp(1.25rem, 5vw, 4rem) clamp(4.25rem, 7vh, 5rem);
  max-width: 44rem;
}

.landing h1 {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: clamp(2.2rem, 5.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 0 0 1.1rem;
  text-wrap: balance;
}

/* The motto under the headline: free (as in speech) books. */
.landing-tagline {
  opacity: 0.9;
  margin: 0 0 2.2rem;
}

.air-btn {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  padding: 0.8rem 1.5rem;
  cursor: pointer;
  text-decoration: none;
  transition:
    background 0.15s,
    color 0.15s;
}

.air-btn-solid {
  background: var(--hero-ink);
  color: var(--sky-horizon);
  border-color: var(--hero-ink);
}

.air-btn-solid:hover {
  background: transparent;
  color: var(--hero-ink);
}

.air-btn-ghost:hover {
  background: color-mix(in srgb, currentColor 10%, transparent);
}

.air-btn:disabled {
  opacity: 0.6;
  cursor: default;
}

.landing-error {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  margin: 1.2rem 0 0;
  color: #a33b22;
}

:root[data-theme='dark'] .landing-error {
  color: #ff9a80;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .landing-error {
    color: #ff9a80;
  }
}

.landing-signedin {
  margin: 0 0 1.6rem;
  font-family: var(--font-ui);
}

.landing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

/* ——— Shelf pages (browse / library) ——————————————————————— */

/* One continuous sky: zenith behind the wordmark, fading through the
   horizon tone into paper partway down, with no dividing line — the
   shelf sits in the open air. Gradient stops are in rem so the sky
   band stays the same depth however long the shelf grows. */
.sky-page {
  position: relative;
  min-height: 100dvh;
  color: var(--ink);
  overflow-x: clip;
  background: linear-gradient(
    to bottom,
    var(--sky-zenith) 0,
    var(--sky-mid) 11rem,
    var(--sky-horizon) 24rem,
    var(--paper) 44rem
  );
}

.sky-page > * {
  position: relative;
}

.sky-page-haze {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 34rem;
  background:
    radial-gradient(45% 24% at 22% 55%, rgba(255, 255, 255, 0.35), transparent 72%),
    radial-gradient(55% 26% at 76% 40%, rgba(255, 255, 255, 0.28), transparent 72%),
    radial-gradient(35% 18% at 48% 72%, rgba(255, 255, 255, 0.22), transparent 72%);
  opacity: var(--haze-o);
  animation: haze-drift 90s linear infinite alternate;
  pointer-events: none;
}

.sky-page .sky-topbar {
  color: var(--hero-top-ink);
}

.sky-band-title {
  color: var(--hero-ink);
  position: relative;
  padding: clamp(1.5rem, 5vh, 3rem) clamp(1.25rem, 5vw, 4rem) clamp(1.8rem, 5vh, 3rem);
}

.sky-band-title .air-label {
  margin: 0 0 0.5rem;
  opacity: 0.85;
}

.sky-band-title h1 {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: clamp(1.9rem, 4.4vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  margin: 0;
}

.shelf-page {
  max-width: 72rem;
  margin: 0 auto;
  padding: clamp(2.5rem, 7vh, 4.5rem) clamp(1.25rem, 5vw, 4rem);
}

.shelf-empty {
  font-family: var(--font-ui);
  color: var(--muted);
  max-width: 34rem;
}

.shelf-opds {
  font-family: var(--font-ui);
  font-size: 0.875rem;
  color: var(--muted);
  margin-top: 3rem;
}

/* Covers in a dynamic column count: as many as fit, cards sharing the
   row's width. */
.shelf-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: 2.4rem 1.6rem;
}

@media (min-width: 900px) {
  .shelf-grid {
    grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  }
}

.shelf-book {
  display: flex;
  flex-direction: column;
}

.shelf-book-link {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: inherit;
  text-decoration: none;
}

.shelf-cover {
  aspect-ratio: 2 / 3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0.9rem;
  color: #f4f7fb;
  margin-bottom: 0.5rem;
  box-shadow: 0 8px 20px rgba(9, 18, 34, 0.22);
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease;
}

.shelf-book:hover .shelf-cover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(9, 18, 34, 0.32);
}

.shelf-cover .air-label {
  opacity: 0.8;
  font-size: 0.62rem;
}

/* Real cover blobs fill the card edge to edge; the gradient variant
   keeps its padded title. */
.shelf-cover.has-image {
  padding: 0;
  overflow: hidden;
  background: var(--wash);
}

.shelf-cover.has-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shelf-cover-title {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 1.05rem;
  line-height: 1.2;
  text-wrap: balance;
}

.shelf-book-title {
  font-family: var(--font-ui);
  font-weight: 500;
  font-size: 0.95rem;
  line-height: 1.3;
  margin: 0;
}

.shelf-book-meta {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--muted);
  margin: 0;
}

.shelf-book-rating {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0.15rem 0 0;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

/* ——— Stars (BookHive ratings) ————————————————————————————— */

/* Fractional display: a muted track with an accent overlay clipped to
   the rating's width. */
.stars {
  font-family: var(--font-ui);
  line-height: 1;
}

.stars-track {
  position: relative;
  display: inline-block;
  color: color-mix(in srgb, var(--muted) 45%, transparent);
  letter-spacing: 0.08em;
}

.stars-fill {
  position: absolute;
  inset: 0 auto 0 0;
  overflow: hidden;
  white-space: nowrap;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.rating-count {
  color: var(--muted);
}

.star-input {
  display: inline-flex;
  gap: 0.1em;
}

.star-input-star {
  font: inherit;
  font-family: var(--font-ui);
  background: none;
  border: none;
  padding: 0.1em;
  cursor: pointer;
  color: color-mix(in srgb, var(--muted) 70%, transparent);
  line-height: 1;
}

.star-input-star.is-filled {
  color: var(--accent);
}

.star-input-star:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ——— Reading view ————————————————————————————————————————— */

/* The flock in the corner — the only chrome inside a book. Quiet
   until wanted. */
.reader-nav-toggle {
  position: fixed;
  bottom: 1.1rem;
  left: 1.1rem;
  z-index: 40;
  width: 2.4rem;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--muted);
  opacity: 0.4;
  cursor: pointer;
  transition: opacity 0.15s;
}

.reader-nav-toggle:hover,
.reader-nav-toggle:focus-visible,
.reader-nav-toggle[aria-expanded='true'] {
  opacity: 0.9;
}

.reader-nav-toggle svg {
  display: block;
  width: 100%;
  height: auto;
}

.reader-nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 41;
  background: color-mix(in srgb, var(--ink) 12%, transparent);
}

.reader-sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 42;
  width: min(17rem, 85vw);
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
  padding: 1.7rem 1.7rem 1.4rem;
  background: var(--paper);
  border-right: 1px solid var(--rule);
  box-shadow: 12px 0 36px rgba(9, 18, 34, 0.14);
  transform: translateX(-100%);
  visibility: hidden;
  transition:
    transform 0.22s ease,
    visibility 0.22s;
}

.reader-sidebar-open {
  transform: none;
  visibility: visible;
}

.reader-sidebar .sky-wordmark {
  color: var(--ink);
}

.reader-sidebar-links {
  display: flex;
  flex-direction: column;
}

.reader-sidebar-app {
  flex: 1;
}

.reader-sidebar-links a.mode-active {
  color: var(--accent);
}

.reader-sidebar-links a,
.reader-sidebar-links button {
  font-family: var(--font-ui);
  font-size: 0.98rem;
  color: var(--ink);
  text-align: left;
  text-decoration: none;
  background: none;
  border: none;
  border-bottom: 1px solid var(--rule);
  padding: 0.7rem 0.1rem;
  cursor: pointer;
}

.reader-sidebar-links a:hover,
.reader-sidebar-links button:hover {
  color: var(--accent);
}

/* Quieter tier above the foot: Cavu's own feedback links. */
.reader-sidebar-feedback {
  margin-bottom: 1rem;
}

.reader-sidebar-feedback a {
  font-size: 0.85rem;
  color: var(--muted);
  border-bottom: none;
  padding: 0.25rem 0;
}

.reader-sidebar-foot {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  .reader-sidebar {
    transition: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .shelf-cover,
  .shelf-book:hover .shelf-cover {
    transition: none;
    transform: none;
  }
}

/* ——— Book overview ———————————————————————————————————————— */

.overview {
  max-width: 46rem;
  margin: 0 auto;
  padding: 5.5rem 1.5rem 4rem;
}

.overview-hero {
  display: flex;
  align-items: flex-start;
  gap: 2.75rem;
}

.overview-cover {
  flex: 0 0 auto;
  width: clamp(9rem, 26vw, 12.5rem);
  height: auto;
  border-radius: 8px;
  box-shadow:
    0 1px 2px color-mix(in srgb, var(--ink) 18%, transparent),
    0 14px 34px color-mix(in srgb, var(--ink) 22%, transparent);
}

.overview-title {
  min-width: 0;
}

.overview-eyebrow,
.overview-contents h2 {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
  margin: 0 0 1rem;
}

.overview-title h1 {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: clamp(2.5rem, 7vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
}

.overview-description {
  font-size: 1.15rem;
  font-style: italic;
  color: color-mix(in srgb, var(--ink) 80%, var(--muted));
  margin: 0 0 0.8rem;
}

.overview-meta {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

.overview-rating {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  margin: 0.5rem 0 0;
}

.overview-rating a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  color: var(--muted);
  text-decoration: none;
}

.overview-rating a:hover .rating-count {
  text-decoration: underline;
}

.overview-rating-value {
  color: var(--ink);
}

.overview-suggestions {
  max-width: 34rem;
  margin: 3.5rem auto 0;
}

.overview-suggestions h2 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 500;
}

.suggestions-note {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.55;
}

.suggestions-posted {
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.suggestions-form {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.8rem;
  font-family: var(--font-ui);
}

.suggestions-form-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.suggestions-form input,
.suggestions-form select,
.suggestions-form textarea {
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
}

.suggestions-form input {
  flex: 1;
}

.suggestions-form textarea {
  resize: vertical;
}

.suggestions-hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin-right: auto;
}

/* ——— Author page (pub.byline.profile over the Cavu shelf) ————— */

.author-hero {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.author-avatar {
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 50%;
  object-fit: cover;
}

.author-page h1 {
  font-family: var(--font-display);
  font-weight: 560;
  margin: 0;
}

.author-handle,
.author-pen-names,
.author-genres {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0.25rem 0 0;
}

.author-handle a {
  color: inherit;
}

/* Bio and byline card copy arrive as markdown (components/Markdown). */
.author-bio {
  max-width: 38rem;
  margin: 1.6rem 0 0;
  line-height: 1.6;
}

.author-bio p,
.author-bio ul,
.author-bio ol,
.author-bio blockquote {
  margin: 0 0 0.8em;
}

.author-bio > :last-child {
  margin-bottom: 0;
}

.author-book-description p,
.author-book-description ul,
.author-book-description ol {
  margin: 0 0 0.35em;
}

.author-book-description > :last-child {
  margin-bottom: 0;
}

.author-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  margin: 1.2rem 0 0;
}

.author-books {
  margin-top: 3rem;
}

.author-books h2 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 500;
}

.author-book-list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.4rem;
}

.author-book {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  color: var(--ink);
  text-decoration: none;
}

.author-book:hover .author-book-title {
  color: var(--accent);
}

.author-book-cover {
  width: 3.6rem;
  border-radius: 3px;
  flex-shrink: 0;
}

.author-book-text {
  display: grid;
  gap: 0.25rem;
}

.author-book-title {
  font-family: var(--font-display);
  font-weight: 560;
}

.author-book-description {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--muted);
}

.overview-eyebrow a {
  color: inherit;
}

/* byline.pub discussion — same quiet column as suggestions/reviews. */
.overview-discussion {
  max-width: 34rem;
  margin: 3.5rem auto 0;
}

.overview-discussion h2 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 500;
}

.comment-list,
.comment-replies {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.2rem;
}

.comment-replies {
  margin: 0.9rem 0 0 1.4rem;
  padding-left: 1rem;
  border-left: 2px solid var(--rule);
}

.comment-meta {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  margin: 0 0 0.25rem;
}

.comment-date {
  color: var(--muted);
}

.comment-text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.comment-actions {
  display: flex;
  gap: 0.5rem;
}

.comment-actions .btn-quiet {
  font-size: 0.78rem;
  padding: 0.1rem 0;
  border: 0;
  background: transparent;
  color: var(--muted);
}

.comment-empty {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--muted);
}

.comment-replying {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

.overview-reviews {
  max-width: 34rem;
  margin: 3.5rem auto 0;
}

.overview-reviews h2 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 500;
}

.reviews-list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.4rem;
}

.review-meta {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  margin: 0 0 0.3rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.review-text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.55;
}

.overview-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.2rem;
}

.overview-actions .follow-button,
.overview-actions .btn-quiet {
  margin-left: 0;
}

/* "Download…" menu: EPUB / PDF, anchored under its button. */
.download-menu {
  position: relative;
  display: inline-block;
}

.download-menu-list {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 20;
  min-width: 15rem;
  margin: 0;
  padding: 0.35rem;
  list-style: none;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 8px;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--ink) 14%, transparent);
  font-family: var(--font-ui);
}

.download-menu-list a {
  display: grid;
  gap: 0.1rem;
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  color: var(--ink);
  text-decoration: none;
}

.download-menu-list a:hover,
.download-menu-list a:focus-visible {
  background: var(--wash);
}

.download-menu-format {
  font-weight: 500;
}

.download-menu-hint {
  font-size: 0.78rem;
  color: var(--muted);
}

/* Offline save outcome (partial saves, errors) beside the button. */
.offline-note {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--muted);
}

.bookhive-shelf {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.bookhive-shelf .star-input {
  font-size: 1.05rem;
}

.bookhive-status {
  font: inherit;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.25rem 0.5rem;
}

.bookhive-review-toggle {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--accent);
  background: none;
  border: none;
  padding: 0.25rem 0;
  cursor: pointer;
}

/* The editor takes its own full-width line under the actions row. */
.bookhive-shelf {
  flex-wrap: wrap;
}

.bookhive-review {
  /* flex-basis breaks the line; the width is set outright because the
     inline-flex parent sizes to its first row's content. */
  flex-basis: 100%;
  width: min(34rem, 82vw);
  display: grid;
  gap: 0.5rem;
  font-family: var(--font-ui);
}

.bookhive-review textarea {
  font: inherit;
  font-size: 0.9rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  resize: vertical;
}

.bookhive-review-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.begin-reading {
  display: inline-block;
  padding: 0.72em 1.7em;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--font-ui);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: 999px;
}

.begin-reading:hover {
  background: color-mix(in srgb, var(--accent) 85%, var(--ink));
}

.overview-contents {
  margin-top: 4.5rem;
}

.overview-footer {
  margin-top: 5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--muted);
}

.overview-footer code {
  font-size: 0.95em;
  word-break: break-all;
}

.load-error {
  color: var(--muted);
  font-style: italic;
}

/* ——— Docs ————————————————————————————————————————————————— */

.docs {
  max-width: 42rem;
}

.docs-section {
  margin-top: 3.6rem;
}

.docs-section h2 {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 1.55rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 0.9em;
}

.docs-section h3 {
  margin: 1.8em 0 0.6em;
}

.docs-section ul,
.docs-section ol {
  padding-left: 1.3em;
  margin: 0 0 1.1em;
}

.docs-section li {
  margin-bottom: 0.55em;
}

.docs-code {
  font-size: 0.8rem;
  line-height: 1.6;
  background: var(--wash);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 0.9em 1.1em;
  overflow-x: auto;
  margin: 1.4em 0;
}

/* Numbered resolution steps: big display numerals in the margin. */
.docs-steps {
  list-style: none;
  padding-left: 0 !important;
  counter-reset: docs-step;
  margin-top: 2.2em;
}

.docs-steps > li {
  counter-increment: docs-step;
  position: relative;
  padding-left: 3.1rem;
  margin-bottom: 2.4em;
}

.docs-steps > li::before {
  content: counter(docs-step);
  position: absolute;
  left: 0;
  top: -0.12em;
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 1.7rem;
  color: color-mix(in srgb, var(--accent) 70%, var(--muted));
}

.docs-steps > li > h3 {
  margin: 0 0 0.5em;
}

@media (max-width: 640px) {
  .docs-steps > li {
    padding-left: 2.4rem;
  }
}

/* ——— Reader chrome ———————————————————————————————————————— */

.reader.mode-paginated,
.reader.mode-comic {
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}


.reader-main {
  flex: 1;
  min-height: 0;
}

/* ——— Paginated mode ——————————————————————————————————————— */

/* Margin | page block | margin: the turn zones live in the side tracks,
   so their arrows render in the true margins, never over text. */
.paginated {
  position: relative;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(2.75rem, 1fr) minmax(0, 40.5rem) minmax(2.75rem, 1fr);
  padding: 2.6rem 0 1.4rem;
  overflow: hidden;
}

/* The strip: a sliding window of per-chunk column segments laid on one
   continuous column grid (segment widths and the flex gap are set by
   PaginatedReader so cross-segment column spacing matches the in-segment
   gap — a two-up view can straddle a chunk edge). Turning translates the
   strip; crossing a chunk edge is an ordinary turn. */
.paginated-strip {
  height: 100%;
  display: flex;
  transition: transform 0.22s ease-out;
}

.paginated-content {
  height: 100%;
  flex: none;
  column-fill: auto;
}

/* The turn: alongside the strip's slide, the page sways in depth like
   paper being turned — hinged toward the side the new page comes from.
   The a/b classes are identical twins; PaginatedReader alternates them
   so back-to-back turns each restart the animation. */
.paginated-sway {
  grid-column: 2;
  grid-row: 1;
  height: 100%;
  min-width: 0;
  /* Clip exactly at the page edge: only the current view's columns show,
     never a sliver of the next page (drift from fractional column widths
     stays behind this edge). */
  overflow: hidden;
}

.paginated-sway.turn-forward.sway-a {
  animation: paginated-sway-fwd-a 0.32s ease-out;
}

.paginated-sway.turn-forward.sway-b {
  animation: paginated-sway-fwd-b 0.32s ease-out;
}

.paginated-sway.turn-back.sway-a {
  animation: paginated-sway-back-a 0.32s ease-out;
}

.paginated-sway.turn-back.sway-b {
  animation: paginated-sway-back-b 0.32s ease-out;
}

@keyframes paginated-sway-fwd-a {
  from {
    transform: perspective(2400px) rotateY(-1.6deg);
  }
}

@keyframes paginated-sway-fwd-b {
  from {
    transform: perspective(2400px) rotateY(-1.6deg);
  }
}

@keyframes paginated-sway-back-a {
  from {
    transform: perspective(2400px) rotateY(1.6deg);
  }
}

@keyframes paginated-sway-back-b {
  from {
    transform: perspective(2400px) rotateY(1.6deg);
  }
}

/* A chapter starting mid-record opens on a fresh page. Descendant, not
   child: real books nest titles inside [data-doc] > section.chapter, and
   :first-child still exempts a title already at its section's top (the
   section break covers it — see .chapter + .chapter). */
.paginated-content .chapter-title:not(:first-child) {
  break-before: column;
}

/* An author's explicit page break, in the one mode that has pages. */
.paginated-content .page-break {
  break-before: column;
  height: 0;
}

/* Continuous chapters run on after a rest instead of opening a page, so
   both the forced break and the drop that assumes one are dropped. */
.paginated-content[data-chapter-break='continuous'] .chapter + .chapter,
.paginated-content[data-chapter-break='continuous'] .doc-cover + .chapter,
.paginated-content[data-chapter-break='continuous'] .chapter-title:not(:first-child) {
  break-before: auto;
}

.paginated-content[data-chapter-break='continuous'] .chapter-title,
.scroll-section[data-chapter-break='continuous'] .chapter-title {
  padding-top: 0;
  margin-top: 2.6em;
}

/* Wide viewports read as facing pages: the container widens and
   PaginatedReader splits each view into two columns (same breakpoint
   as lib/twoUp). */
@media (min-width: 1200px) {
  .paginated {
    grid-template-columns: minmax(2.75rem, 1fr) minmax(0, 82.5rem) minmax(2.75rem, 1fr);
  }
}

/* The chapter drop, as EPUB sets it: every chapter opens on a fresh page
   with the title sunk half a page (print tradition; cf. Standard Ebooks'
   sunk chapter headers). padding-top rather than margin-top — CSS
   fragmentation truncates margins at forced column breaks, but padding
   survives. --page-h is set by PaginatedReader on measure. */
.paginated-content .chapter-title {
  padding-top: calc(var(--page-h, 100vh) * var(--chapter-drop, 0.5));
}

.page-zone {
  grid-row: 1;
  /* Almost full height: the flock keeps its corner. */
  margin-bottom: 2.6rem;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  color: transparent;
  font-size: 2.6rem;
  font-family: var(--font-ui);
  transition: color 0.15s ease-out;
}

/* A faint arrow surfaces while the cursor is in the turn area. */
.page-zone:hover:not(:disabled) {
  color: color-mix(in srgb, var(--ink) 25%, transparent);
}

.page-zone:disabled {
  cursor: default;
}

.page-zone-prev {
  grid-column: 1;
}

.page-zone-prev::after {
  content: '‹';
}

.page-zone-next {
  grid-column: 3;
}

.page-zone-next::after {
  content: '›';
}

/* ——— Comic spreads ———————————————————————————————————————— */

.comic {
  position: relative;
  height: 100%;
  padding: 1.6rem 3.25rem 1.2rem;
  overflow: hidden;
}

/* The comic isn't a grid, so the turn zones position absolutely:
   full-height strips along each edge, riding over the art. */
.comic .page-zone {
  position: absolute;
  top: 0;
  bottom: 0;
  width: max(3.25rem, 12%);
}

.comic .page-zone-prev {
  left: 0;
}

.comic .page-zone-next {
  right: 0;
}

/* End-of-book overlay: revealed by turning forward on the final page,
   floating above the page zones; backdrop click returns to the page. */
.comic-end {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--paper) 55%, transparent);
}

.comic-end-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.4rem 2rem 1.1rem;
  box-shadow: 0 12px 40px rgb(0 0 0 / 0.18);
  max-width: min(26em, 85vw);
}

.comic-end-card .caught-up {
  margin: 0;
}

.comic-spread {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.comic-slot {
  display: flex;
  align-items: center;
  height: 100%;
  flex: 0 1 50%;
  min-width: 0;
}

/* Facing pages meet at the gutter. */
.comic-slot-left {
  justify-content: flex-end;
}

.comic-slot-right {
  justify-content: flex-start;
}

.comic-slot-center {
  flex-basis: 100%;
  justify-content: center;
}

.comic-page {
  max-height: 100%;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  background: #fff;
  box-shadow: 0 1px 2px color-mix(in srgb, var(--ink) 18%, transparent),
    0 6px 22px color-mix(in srgb, var(--ink) 12%, transparent);
}

/* The turn: the incoming page swings down flat like a leaf finishing its
   turn, hinged on the edge nearest the side the page came from — forward
   and back feel like opposite motions in both reading directions. */
.comic-ltr .turn-forward .comic-slot,
.comic-rtl .turn-back .comic-slot {
  transform-origin: left center;
  animation: comic-turn-from-right 0.34s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.comic-ltr .turn-back .comic-slot,
.comic-rtl .turn-forward .comic-slot {
  transform-origin: right center;
  animation: comic-turn-from-left 0.34s cubic-bezier(0.2, 0.7, 0.3, 1);
}

@keyframes comic-turn-from-right {
  from {
    opacity: 0.25;
    transform: perspective(1400px) rotateY(-24deg);
    filter: brightness(0.94);
  }
  to {
    opacity: 1;
    transform: perspective(1400px) rotateY(0deg);
    filter: none;
  }
}

@keyframes comic-turn-from-left {
  from {
    opacity: 0.25;
    transform: perspective(1400px) rotateY(24deg);
    filter: brightness(0.94);
  }
  to {
    opacity: 1;
    transform: perspective(1400px) rotateY(0deg);
    filter: none;
  }
}

/* Comic chunks reached in scroll mode: a plain vertical page column. */
.comic-column img {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 0.35rem;
  background: #fff;
}

/* ——— Scroll mode —————————————————————————————————————————— */

.scroll-reader {
  max-width: 38rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 7rem;
  /* ScrollReader compensates layout shifts itself (see its scroll-anchor
     logic); native scroll anchoring would apply the same correction a
     second time, walking the position down on every image load. */
  overflow-anchor: none;
}

.scroll-section {
  scroll-margin-top: 72px;
}

/* Chapter openings carry the break, not record boundaries: chunk edges
   stay invisible. The gap of open air mirrors the paginated chapter
   drop — nothing is rendered before the title itself. */
.scroll-reader .chapter-title {
  margin-top: calc(90vh * var(--chapter-drop, 0.5));
}

.section-loading {
  text-align: center;
  color: var(--muted);
  letter-spacing: 0.5em;
  padding: 2.5em 0;
}

.book-end {
  text-align: center;
  margin: 4em 0 2em;
}

/* ——— Highlights ——————————————————————————————————————————— */

/* Painted via the CSS Custom Highlight API — no elements involved.
   Two axes on the reader's own marks: fill means "mine", an underline
   means "other people can see it", and a solid rule means "there are
   words here". Whether a note has a body is otherwise a popover
   concern — encoding both axes in the fill would be unreadable. */
::highlight(cavu-mark),
::highlight(cavu-mark-note),
::highlight(cavu-mark-shared),
::highlight(cavu-mark-note-shared) {
  background-color: color-mix(in srgb, var(--accent) 24%, transparent);
}

/* Mine, shared with a group. Still filled — it is my mark — but in the
   group hue, because "some people can see this" is a different fact from
   "everyone can", not a weaker version of it. */
::highlight(cavu-mark-group),
::highlight(cavu-mark-group-note) {
  background-color: color-mix(in srgb, var(--group) 26%, transparent);
}

::highlight(cavu-mark-group-note) {
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--group) 80%, transparent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

/* Mine, with words, private. */
::highlight(cavu-mark-note) {
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 75%, transparent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

/* Mine, shared — the dotted rule is the same "on the network" idiom
   other readers' marks use. */
::highlight(cavu-mark-shared) {
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-color: color-mix(in srgb, var(--accent) 75%, transparent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

/* Mine, with words, shared. */
::highlight(cavu-mark-note-shared) {
  text-decoration: underline;
  text-decoration-style: double;
  text-decoration-color: color-mix(in srgb, var(--accent) 75%, transparent);
  text-underline-offset: 0.18em;
}

/* Other readers' marks: a quiet dotted underline, no fill. */
::highlight(cavu-community) {
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-color: color-mix(in srgb, var(--accent) 65%, transparent);
  text-underline-offset: 0.18em;
}

/* Other *members'* marks: the same quiet rule in the group hue, so a
   passage the group has been round tells itself apart from one the
   whole network has. */
::highlight(cavu-community-group) {
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-color: color-mix(in srgb, var(--group) 75%, transparent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

/* Placement word beside "Your note" — Private / Shared / Public. */
.highlight-mark-chip {
  font-size: 0.75em;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

/* The "why" line under a hint the reader can't act on. */
.highlight-note-hint-sub {
  display: block;
  padding: 0 0.5rem 0.35rem;
  font-size: 0.75rem;
  color: var(--muted);
}

/* Community popover content. */
.highlight-mark-info {
  display: grid;
  gap: 0.3rem;
  max-width: min(20rem, 75vw);
  padding: 0.35rem 0.5rem;
  font-size: 0.85rem;
}

.highlight-mark-meta {
  margin: 0;
  color: var(--muted);
}

.highlight-mark-meta strong {
  color: var(--ink);
  font-weight: 500;
}

.highlight-mark-body {
  margin: 0;
  line-height: 1.5;
}

.highlight-mark-info a,
.highlight-mark-info button {
  padding: 0;
  justify-self: start;
}

.highlight-mark-actions {
  display: flex;
  gap: 0.8rem;
}

/* Overlapping marks on one passage page through the popover. */
.highlight-mark-pager {
  display: flex;
  align-items: center;
  align-self: stretch;
  gap: 0.1rem;
  margin-left: 0.2rem;
  padding-left: 0.2rem;
  border-left: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.78rem;
}

.highlight-mark-pager button {
  padding: 0.35rem 0.45rem;
}

.highlight-mark-pager span {
  white-space: nowrap;
}

/* ——— Feedback modal ———————————————————————————————————————— */

.feedback-modal {
  width: min(32rem, 92vw);
  max-height: min(80vh, 42rem);
  overflow-y: auto;
}

.feedback-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.feedback-modal-title {
  font-size: 1rem;
  font-weight: 500;
}

.feedback-modal-tabs {
  display: flex;
  gap: 0.2rem;
  padding: 0.15rem;
  border: 1px solid var(--rule);
  border-radius: 8px;
}

.feedback-modal-tabs button {
  font: inherit;
  font-size: 0.85rem;
  color: var(--muted);
  background: none;
  border: none;
  border-radius: 6px;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
}

.feedback-modal-tabs button.is-active {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.feedback-modal-close {
  font: inherit;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--muted);
  background: none;
  border: none;
  border-radius: 6px;
  padding: 0.2rem 0.5rem;
  cursor: pointer;
}

.feedback-modal-close:hover {
  color: var(--ink);
}

/* The suggestion boxes keep their page styling; only the page-flow
   margins come off inside the modal. */
.feedback-modal .overview-suggestions {
  max-width: none;
  margin: 0.4rem 0 0;
}

/* ——— Share composer modal ————————————————————————————————— */

.share-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: rgb(15 23 32 / 0.35);
}

.share-modal {
  width: min(28rem, 92vw);
  display: grid;
  gap: 0.6rem;
  padding: 1rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 10px;
  box-shadow: 0 16px 48px rgb(0 0 0 / 0.25);
  font-family: var(--font-ui);
}

.share-modal textarea {
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.5rem 0.6rem;
  resize: vertical;
}

.share-modal-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.share-modal-card {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.share-modal-count.is-over {
  color: #b3502f;
}

.share-modal-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
}

.share-modal-alt {
  margin-right: auto;
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
}

.share-modal-alt:hover {
  text-decoration: underline;
}

.share-modal-hint {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.share-modal-done {
  margin: 0;
}

/* Floating toolbar above a selection or saved highlight. */
.highlight-toolbar {
  position: fixed;
  transform: translate(-50%, calc(-100% - 10px));
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.1rem;
  padding: 0.2rem;
  max-width: calc(100vw - 16px);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 8px;
  box-shadow: 0 6px 24px rgb(0 0 0 / 0.16);
  font-family: var(--font-ui);
  font-size: 0.85rem;
}

/* Touch: sits below the passage — the native selection callout and
   end handle own the space above it. */
.highlight-toolbar.is-touch {
  transform: translate(-50%, 14px);
}

.highlight-toolbar button,
.highlight-toolbar a {
  font: inherit;
  color: var(--accent);
  background: none;
  border: none;
  border-radius: 6px;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  touch-action: manipulation;
}

.highlight-toolbar button:hover,
.highlight-toolbar a:hover {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.highlight-toolbar button:disabled {
  opacity: 0.5;
  cursor: default;
}

.highlight-toolbar-error {
  color: #b3502f;
  font-size: 0.78rem;
  padding: 0 0.5rem;
  max-width: 16em;
}

/* Note compose (margin.at) — the toolbar grows into a small card. */
.highlight-toolbar.is-composing {
  padding: 0.5rem;
}

.highlight-note {
  display: grid;
  gap: 0.4rem;
  width: min(22rem, 80vw);
}

.highlight-note textarea {
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.45rem 0.55rem;
  resize: vertical;
  min-height: 3.5em;
}

.highlight-note-actions {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}

.highlight-note-hint {
  color: var(--muted);
  font-size: 0.75rem;
  margin-right: auto;
  padding-left: 0.2rem;
}

/* The caught-up seam: end of published content, book still ongoing. */
.caught-up {
  text-align: center;
  font-size: 1rem;
  margin: 2.5em auto 0;
  max-width: 26em;
}

.caught-up-note {
  font-style: italic;
  color: var(--muted);
  margin-bottom: 1.2em;
}

.caught-up-hint {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 1em;
}

/* ——— Small screens / motion ——————————————————————————————— */

@media (max-width: 640px) {
  .overview {
    padding: 3rem 1.25rem 3rem;
  }

  .overview-hero {
    flex-direction: column;
    gap: 1.6rem;
  }

  .overview-cover {
    width: clamp(8rem, 38vw, 10.5rem);
  }

  .paginated {
    padding: 2rem 1.4rem 1rem;
  }

  /* On a phone the gutters are slim, so the zones leave the grid and
     become edge strips running to the very edge of the screen. Slim —
     swiping is the primary turn gesture; wide strips sat over the text
     and blocked starting a selection near the margins. The flock's
     corner clearance carries over from the base margin. */
  .page-zone {
    grid-area: auto;
    position: absolute;
    top: 0;
    bottom: 0;
    width: max(2.75rem, 10vw);
  }

  .page-zone-prev {
    left: 0;
  }

  .page-zone-next {
    right: 0;
  }
}

@media (max-width: 640px) {
  .comic {
    padding: 1rem 0.5rem 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .paginated-content {
    transition: none;
  }

  .comic-spread .comic-slot,
  .paginated-sway,
  .sky-haze {
    animation: none !important;
  }
}

/* ——— Importer ————————————————————————————————————————————— */

.import {
  max-width: 44rem;
  margin: 0 auto;
  padding: 3rem 1.4rem 6rem;
  font-family: var(--font-ui);
}

.import h1 {
  font-family: var(--font-display);
  font-weight: 500;
  margin: 0 0 0.5rem;
}

.import-lede {
  color: var(--muted);
  line-height: 1.5;
  margin: 0 0 2rem;
}

.import-section {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 0;
}

.import-section h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin: 0 0 0.9rem;
  flex: 1;
}

.field > span {
  font-size: 0.82rem;
  color: var(--muted);
}

.field input,
.field select {
  font: inherit;
  color: var(--ink);
  background: var(--wash);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.5rem 0.65rem;
}

.field-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Handle autocomplete (the sign-in combobox). The wrapper positions the
   suggestion list; the input inside inherits .field input styling. */
.typeahead {
  position: relative;
  display: flex;
  flex-direction: column;
}

.typeahead input {
  width: 100%;
}

.typeahead-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 10;
  margin: 0;
  padding: 0.25rem;
  list-style: none;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(9, 18, 34, 0.18);
  max-height: 19rem;
  overflow-y: auto;
}

.typeahead-option {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  width: 100%;
  font: inherit;
  text-align: left;
  color: var(--ink);
  background: none;
  border: none;
  border-radius: 6px;
  padding: 0.4rem 0.5rem;
  cursor: pointer;
}

.typeahead-option[aria-selected='true'] {
  background: var(--wash);
}

.typeahead-avatar {
  width: 1.7rem;
  height: 1.7rem;
  border-radius: 50%;
  background: var(--wash);
  flex-shrink: 0;
}

.typeahead-handle {
  font-family: var(--font-ui);
  font-size: 0.92rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  /* The handle is what gets submitted — the display name yields first. */
  flex-shrink: 0;
  max-width: 100%;
}

.typeahead-name {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn {
  font: inherit;
  color: var(--paper);
  background: var(--accent);
  border: none;
  border-radius: 6px;
  padding: 0.55rem 1.2rem;
  cursor: pointer;
  /* Links wearing this class must read as buttons too. */
  display: inline-block;
  text-decoration: none;
  text-align: center;
}

.btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.btn-quiet {
  color: var(--accent);
  background: transparent;
  border: 1px solid var(--rule);
  padding: 0.25rem 0.7rem;
  margin-left: 0.5rem;
}

.import-hint {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

.import-error {
  color: #b3502f;
}

.import-error-block {
  white-space: pre-wrap;
  font-size: 0.85rem;
}

.import-cover-row {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.import-cover-preview {
  max-height: 10rem;
  border-radius: 4px;
  border: 1px solid var(--rule);
}

.import-files {
  list-style: none;
  margin: 0.5rem 0;
  padding: 0;
}

.import-files li {
  padding: 0.45rem 0;
  border-bottom: 1px dashed var(--rule);
  font-size: 0.9rem;
}

.import-file-detail {
  color: var(--muted);
}

.import-result {
  background: var(--wash);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  margin-top: 1rem;
  line-height: 1.6;
}

.import-signedin {
  line-height: 1.6;
}

/* Granted-scope list on the account page — the "why won't this
   integration button work" diagnostic. */
.login-scope {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.6rem;
}

.login-scope summary {
  cursor: pointer;
}

.login-scope ul {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.15rem;
}

.login-scope code {
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.login-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin: 1.2rem 0 0.8rem;
}

/* ——— Sign-in: one card over the sky (after cavu.games' Atmosphere
   Login) — host buttons, Google via cavu.social, any other host by
   handle, then a new cavu.social account. ——————————————————————— */

.login-sky {
  min-height: 100dvh;
}

.login-panel-wrap {
  position: relative;
  padding: clamp(0.5rem, 5vh, 3.5rem) clamp(1rem, 5vw, 4rem) 5rem;
}

.login-panel {
  max-width: 34rem;
  margin: 0 auto;
  font-family: var(--font-ui);
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--rule);
  box-shadow: 0 18px 50px rgba(23, 39, 60, 0.18);
  padding: clamp(1.4rem, 5vw, 2.2rem);
}

.login-mark {
  display: block;
  width: 3rem;
  aspect-ratio: 171.7 / 160;
  color: var(--accent);
}

.login-panel h1 {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: clamp(1.6rem, 5vw, 1.85rem);
  line-height: 1.15;
  margin: 0.2rem 0 0.7rem;
}

.login-panel > p {
  margin: 0 0 1rem;
  font-size: 0.97rem;
  line-height: 1.55;
}

.login-how {
  margin: 0 0 1.3rem;
  padding: 0.7rem 0.95rem;
  /* --wash equals --card at night; an accent tint reads in both themes. */
  background: color-mix(in srgb, var(--accent) 9%, var(--card));
  font-size: 0.92rem;
  line-height: 1.5;
}

.login-how summary {
  cursor: pointer;
  font-weight: 600;
}

.login-how p,
.login-how ul {
  margin: 0.55rem 0 0;
}

.login-how ul {
  padding-left: 1.2rem;
}

.login-panel .login-label {
  display: block;
  margin: 0 0 0.55rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.login-hosts {
  display: grid;
  gap: 0.5rem;
}

/* Each host's own brand colour, as on their sign-in pages. */
.login-host {
  min-height: 3rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  font: inherit;
  font-size: 0.97rem;
  cursor: pointer;
  transition: filter 0.15s;
}

.login-host:hover:not(:disabled) {
  filter: brightness(1.08);
}

.login-host:disabled {
  cursor: default;
  opacity: 0.75;
}

.login-host span {
  font-weight: 400;
  opacity: 0.88;
}

.login-host strong {
  font-weight: 600;
}

.login-host small {
  margin-left: 0.3rem;
  font-size: 0.8rem;
  opacity: 0.7;
}

.login-host-bluesky {
  background: #1185fe;
  border-color: #0a6fd8;
  color: #ffffff;
}

.login-host-northsky {
  background: #7628bd;
  border-color: #5f2099;
  color: #ffffff;
}

.login-host-blacksky {
  background: #111111;
  border-color: #000000;
  color: #ffffff;
}

.login-host-eurosky {
  background: #dc6bb5;
  border-color: #a83d84;
  color: #111111;
}

/* Google's neutral sign-in button, light and dark. */
.login-host-google {
  background: #ffffff;
  border-color: #747775;
  color: #1f1f1f;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .login-host-blacksky {
    border-color: #4a5566;
  }

  :root:not([data-theme='light']) .login-host-google {
    background: #131314;
    border-color: #8e918f;
    color: #e3e3e3;
  }
}

:root[data-theme='dark'] .login-host-blacksky {
  border-color: #4a5566;
}

:root[data-theme='dark'] .login-host-google {
  background: #131314;
  border-color: #8e918f;
  color: #e3e3e3;
}

.login-host-mark {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
  margin-right: 0.15rem;
}

.login-or {
  margin: 1.3rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--rule);
}

.login-input {
  font: inherit;
  font-size: 1.05rem;
  color: var(--ink);
  background: var(--paper);
  border: 1.5px solid var(--rule);
  border-radius: 2px;
  padding: 0.7rem 0.85rem;
}

.login-input::placeholder {
  color: color-mix(in srgb, var(--muted) 85%, transparent);
}

.login-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

/* On a phone the menu flock rides at the foot of the page (ReaderNav is
   rendered inside .login-sky), below the card, not over its fields. */
@media (max-width: 40rem) {
  .login-sky .reader-nav-toggle {
    position: absolute;
  }
}

.login-panel .login-field-hint {
  margin: 0.45rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.login-handle .air-btn {
  width: 100%;
  margin-top: 0.8rem;
}

.login-panel .login-create {
  margin: 1.2rem 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.login-create .btn-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.login-panel .login-error {
  margin: 1rem 0 0;
  font-size: 0.88rem;
  color: #a33b22;
}

:root[data-theme='dark'] .login-error {
  color: #ff9a80;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .login-error {
    color: #ff9a80;
  }
}

.login-input {
  width: 100%;
}

/* The confirmation step: who, and where the password will be typed.
   The heading takes focus only so screen readers start there; it isn't
   a control, so it shows no ring. */
.login-confirm h1:focus {
  outline: none;
}

.login-confirm > p {
  margin: 0 0 1rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.login-who {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0.4rem 0 1.2rem;
  min-width: 0;
}

.login-who > div {
  min-width: 0;
}

.login-who p {
  margin: 0;
  overflow-wrap: anywhere;
}

.login-avatar {
  width: 3.25rem;
  height: 3.25rem;
  flex: none;
  border-radius: 50%;
  object-fit: cover;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--card);
  font-weight: 600;
  font-size: 1.3rem;
}

.login-who-name {
  font-weight: 600;
  font-size: 1.1rem;
}

.login-who-handle {
  color: var(--muted);
}

.login-confirm .login-where {
  padding: 0.75rem 0.95rem;
  background: color-mix(in srgb, var(--accent) 9%, var(--card));
  border-left: 3px solid var(--accent);
  font-size: 1.02rem;
}

.login-confirm-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  margin-top: 1.4rem;
}

.login-confirm-actions .air-btn {
  width: 100%;
  overflow-wrap: anywhere;
}

.login-confirm-actions .btn-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  font-size: 0.95rem;
}

@media (prefers-reduced-motion: reduce) {
  .login-host {
    transition: none;
  }
}

/* ——— Account page: select-then-confirm ————————————————————————— */

/* Room for the fixed review bar, so the last section clears it. */
.login {
  padding-bottom: 10rem;
}

.account-identity {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  line-height: 1.6;
}

.account-identity p {
  margin: 0;
}

.account-identity .btn-quiet {
  flex-shrink: 0;
  margin-left: 0;
}

.account-outcome {
  background: var(--wash);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  margin: 0 0 1.5rem;
  line-height: 1.5;
}

.account-outcome p {
  margin: 0 0 0.4rem;
}

.account-outcome p:last-child {
  margin-bottom: 0;
}

.account-outcome-declined {
  font-size: 0.88rem;
  color: var(--muted);
}

/* Grant-tier picker. */
.account-choices {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin: 1rem 0 0;
}

.account-choice {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.75rem;
  align-items: start;
  padding: 0.6rem 0.75rem;
  margin: 0 -0.75rem;
  border-radius: 6px;
  cursor: pointer;
}

.account-choice input {
  margin-top: 0.3rem;
  accent-color: var(--accent);
}

.account-choice-pending {
  background: var(--wash);
}

.account-choice-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.account-choice-title {
  font-weight: 500;
}

.account-choice-detail,
.account-row-detail {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
}

.account-choice-note {
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--muted);
  font-style: italic;
}

.account-choice-pending .account-choice-note {
  color: var(--accent);
}

/* What the granted tier actually covers, itemised. */
.account-integrations {
  margin: 1.1rem 0 0;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--wash);
}

.account-integrations-head {
  margin: 0 0 0.6rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.account-integration {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.7rem;
  align-items: start;
  padding: 0.45rem 0;
}

.account-integration + .account-integration {
  border-top: 1px solid var(--rule);
}

/* Granted reads as ink, missing as muted — the row itself says which. */
.account-integration > svg {
  margin-top: 0.25rem;
  color: var(--accent);
  flex-shrink: 0;
}

.account-integration > svg circle {
  color: var(--muted);
}

.account-integration-body {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.account-integration-name {
  font-size: 0.95rem;
  font-weight: 500;
}

.account-integration-visibility {
  flex-shrink: 0;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: right;
  max-width: 12rem;
}

.account-integrations-stale {
  margin: 0.7rem 0 0;
  padding-top: 0.7rem;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

.account-integrations-stale .btn-link {
  color: var(--accent);
}

@media (max-width: 42rem) {
  .account-integration {
    grid-template-columns: auto 1fr;
  }

  .account-integration-visibility {
    grid-column: 2;
    text-align: left;
    max-width: none;
  }
}

/* Where-it-lives rows. */
.account-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 0.75rem;
  margin: 0 -0.75rem;
  border-bottom: 1px dashed var(--rule);
  border-radius: 6px;
}

.account-row-pending {
  background: var(--wash);
}

.account-row-title {
  margin: 0;
  font-weight: 500;
}

.account-row-detail {
  margin: 0.1rem 0 0;
}

.account-row-pending-note {
  margin: 0.2rem 0 0;
  font-size: 0.85rem;
  color: var(--accent);
  font-style: italic;
}

.account-row-choices {
  flex-shrink: 0;
  display: flex;
  gap: 1rem;
}

.account-radio {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.account-radio input {
  accent-color: var(--accent);
}

.account-row-static {
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: right;
  max-width: 16rem;
}

/* Erase. */
.account-erase-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--rule);
}

.account-erase-row p {
  margin: 0;
}

.btn-erase {
  font: inherit;
  font-size: 0.85rem;
  color: #b3502f;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 0.2rem 0.6rem;
  cursor: pointer;
}

.account-erase-confirm {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.account-erase-confirm .btn-link {
  font-size: 0.85rem;
  color: var(--muted);
}

.account-erase-busy {
  font-size: 0.85rem;
  color: var(--muted);
}

.account-erase-all {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1.2rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--wash);
}

.account-erase-confirm-form {
  flex-shrink: 0;
  min-width: 18rem;
}

.account-erase-confirm-form .login-actions {
  margin: 0;
}

.btn-danger {
  background: #b3502f;
  color: #f4f7fb;
}

/* The review bar: pinned, so a selection made anywhere stays actionable. */
.account-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  background: var(--wash);
  border-top: 1px solid var(--rule);
  padding: 1rem 1.4rem;
  box-shadow: 0 -6px 20px rgba(9, 18, 34, 0.08);
}

.account-bar-inner {
  max-width: 44rem;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
}

.account-bar-title {
  margin: 0;
  font-weight: 500;
}

.account-bar-detail {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.45;
}

.account-bar-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.account-bar-actions .btn-quiet {
  margin-left: 0;
}

@media (max-width: 42rem) {
  .account-row,
  .account-erase-row,
  .account-erase-all,
  .account-bar-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .account-row-static {
    text-align: left;
    max-width: none;
  }
}

/* KOReader sync panel on the account page. */
.koreader-sync {
  background: var(--wash);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  margin-top: 1rem;
  line-height: 1.6;
}

.koreader-sync h2 {
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
}

.koreader-sync .login-actions {
  margin-bottom: 0;
}

.koreader-error {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: #a33a2a;
}

.koreader-creds {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.35rem 1rem;
  margin: 0.8rem 0;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.koreader-creds dt {
  color: var(--muted);
}

.koreader-creds dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  overflow-wrap: anywhere;
}

.koreader-password {
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.koreader-steps {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--muted);
  padding-left: 1.2rem;
  margin: 0.4rem 0 0;
}

.btn-small {
  padding: 0.15rem 0.6rem;
  font-size: 0.8rem;
}

.login-actions .btn-quiet {
  margin-left: 0;
}

/* Send to Kindle: account panel list + book-page modal. */
.kindle-list {
  list-style: none;
  margin: 0.6rem 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.kindle-list li,
.kindle-pick label {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.kindle-list-name {
  font-weight: 500;
}

.kindle-form .field-row {
  margin-top: 0.4rem;
}

.kindle-form .login-actions {
  margin-top: 0;
}

.kindle-pick {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
}

.kindle-pick label {
  cursor: pointer;
}

.kindle-modal p {
  margin: 0;
}

.kindle-modal .field {
  margin-bottom: 0.5rem;
}

.btn-link {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

/* ——— Studio ——————————————————————————————————————————————— */

.studio-book-list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
}

.studio-book {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 0.4rem;
  border-top: 1px solid var(--rule);
  color: var(--ink);
  text-decoration: none;
}

.studio-book:hover {
  background: var(--wash);
}

.studio-book-cover {
  width: 3.2rem;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 3px;
  flex-shrink: 0;
}

.studio-book-cover-blank {
  display: block;
  background: var(--wash);
  border: 1px solid var(--rule);
}

.studio-book-text {
  display: grid;
  gap: 0.3rem;
}

.studio-book-title {
  font-family: var(--font-display);
  font-weight: 560;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.studio-book-meta {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--muted);
}

.studio-badge {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
  white-space: nowrap;
}

.studio-flag {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--accent);
}

/* The offer to overwrite chapters whose uploaded text has drifted from
   what's published, plus the documents an upload can't safely rewrite. */
.studio-update-offer {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 0 0 1rem;
}

.studio-update-offer .studio-flag {
  margin: 0;
}

/* Spaces-support line under the studio lede; the probe result reads as
   a quiet status, with the one-time re-check as an inline link. */
.studio-spaces {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--muted);
  margin: -1rem 0 2rem;
}

.studio-spaces strong {
  color: inherit;
  font-weight: 600;
}

.studio-spaces-yes strong {
  color: var(--accent);
}

.studio-spaces .btn-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

/* Reading-position privacy line on the account page: same quiet-status
   treatment as .studio-spaces, private state tinted like a confirmation. */
.login-privacy {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0.35rem 0 0;
}

.login-privacy strong {
  color: inherit;
  font-weight: 600;
}

.login-privacy-on strong {
  color: var(--accent);
}

.login-privacy .btn-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.studio-detail-header {
  display: flex;
  align-items: flex-start;
  gap: 1.4rem;
  margin: 1.6rem 0 1.8rem;
}

.studio-detail-header h1 {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 0;
}

.studio-detail-cover {
  width: 6.5rem;
  border-radius: 4px;
  flex-shrink: 0;
}

.studio-issues {
  list-style: none;
  margin: 0;
  padding: 0.8rem 1rem;
  border: 1px solid var(--rule);
  background: var(--wash);
  border-radius: 4px;
  display: grid;
  gap: 0.4rem;
  font-family: var(--font-ui);
  font-size: 0.88rem;
}

.studio-spine {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: studio-spine;
}

.studio-spine-doc {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--rule);
  counter-increment: studio-spine;
}

.studio-spine-doc:first-child {
  border-top: none;
}

.studio-doc-text::before {
  content: counter(studio-spine);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--muted);
  margin-right: 0.6rem;
}

.studio-doc-role {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.studio-doc-chapters {
  list-style: none;
  margin: 0.5rem 0 0;
  padding-left: 1.4rem;
  display: grid;
  gap: 0.2rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  color: var(--muted);
}

/* Per-chapter visibility marker (spaces-capable authors only): a tiny
   lock/unlock trailing the chapter title, tinted like the row text. */
.studio-chapter-access {
  display: inline-flex;
  vertical-align: -0.08em;
  margin-left: 0.45rem;
  color: var(--muted);
  opacity: 0.85;
}

/* Reserved for M2's per-document actions; keeps rows from reflowing
   when buttons arrive. */
.studio-doc-actions {
  min-width: 6rem;
}

.studio-linked-record {
  display: grid;
  gap: 0.35rem;
}

.studio-linked-record p {
  margin: 0;
}

.studio-linked-author {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.studio-linked-avatar {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

/* Release panel: plan summary, preview, actions. */
.studio-plan {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--wash);
  display: grid;
  gap: 0.35rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.studio-plan-warnings {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.25rem;
}

.studio-preview {
  border: 1px solid var(--rule);
  border-radius: 4px;
  margin: 0 0 0.8rem;
}

.studio-preview summary {
  cursor: pointer;
  padding: 0.6rem 0.9rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.studio-preview-body {
  max-height: 24rem;
  overflow-y: auto;
  padding: 0 1.4rem 1.4rem;
  border-top: 1px solid var(--rule);
}

/* --- The preview as a block editor (components/BlockEdit) ---
   The chrome lives inside the block it belongs to: any wrapper element
   would break the `hr + p` / `.chapter-title + p` sibling rules the prose
   above depends on. So the marker is an outline (which draws no box) and
   the pencil is an absolutely positioned child. */

/* Editing wants more of the chapter in view than reviewing does, but a
   long release still has to stay a panel rather than a page. The body's
   1.4rem side padding is what keeps the outlines and the pencil clear of
   the scroller's edge. */
.studio-preview-editable .studio-preview-body {
  max-height: 42rem;
  padding-top: 0.9rem;
}

.block-edit {
  position: relative;
  outline: 1px dotted color-mix(in srgb, var(--rule) 60%, transparent);
  outline-offset: 4px;
}

.block-edit:hover,
.block-edit-open {
  outline-color: var(--accent);
  outline-style: dashed;
}

/* The block's name, shown only while it's being worked on — a rule and a
   page break look alike otherwise. */
.block-edit-open::before {
  content: attr(data-block-label);
  position: absolute;
  top: -1.55em;
  left: 0;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  text-indent: 0;
  pointer-events: none;
}

/* A rule and a page break can't hold a child, so they take the one
   wrapper in the design; it behaves as the mark it wraps. */
.block-edit-void {
  margin: 0;
}

.block-edit-void .page-break {
  outline: 1px dashed color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: -2px;
}

.block-edit-chrome {
  position: absolute;
  top: -0.35em;
  right: -0.35em;
  text-indent: 0;
  font-style: normal;
  line-height: 0;
}

.block-edit-pencil {
  display: grid;
  place-items: center;
  width: 1.55rem;
  height: 1.55rem;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 50%;
  background: var(--paper);
  color: var(--muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity 120ms ease;
}

.block-edit:hover > .block-edit-chrome > .block-edit-pencil,
.block-edit-pencil:focus-visible,
.block-edit-open > .block-edit-chrome > .block-edit-pencil {
  opacity: 1;
}

.block-edit-busy {
  opacity: 1;
  color: var(--accent);
  border-color: var(--accent);
  cursor: progress;
}

.block-edit-spinner {
  animation: block-edit-spin 0.8s linear infinite;
  transform-origin: 8px 8px;
}

@keyframes block-edit-spin {
  to {
    transform: rotate(360deg);
  }
}

.block-edit-pencil:hover,
.block-edit-open > .block-edit-chrome > .block-edit-pencil {
  color: var(--accent);
  border-color: var(--accent);
}

/* Fixed, not absolute: the preview body scrolls in the release panel and
   would clip a menu positioned inside it. BlockMenu measures the pencil
   and closes on scroll rather than chasing it. */
.block-edit-menu {
  position: fixed;
  z-index: 60;
  width: 13.5rem;
  padding: 0.45rem;
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.16);
  font-family: var(--font-ui);
  font-style: normal;
  /* The prose around it sets a reading line-height, and the chrome sets
     none at all; the menu is UI and wants its own. */
  line-height: 1.4;
  text-indent: 0;
  text-align: left;
}

.block-edit-note {
  margin: 0.35rem 0.45rem 0.5rem;
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--muted);
}

.block-edit-menu-head:first-child {
  margin-top: 0.3rem;
}

.block-edit-menu-head {
  margin: 0.55rem 0.45rem 0.25rem;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.block-edit-kinds {
  list-style: none;
  margin: 0 0 0.15rem;
  padding: 0;
}

.block-edit-kind {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  padding: 0.3rem 0.45rem;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.85rem;
  text-align: left;
  cursor: pointer;
}

.block-edit-kind:hover {
  background: var(--wash);
}

.block-edit-kind[aria-pressed='true'] {
  color: var(--accent);
  font-weight: 600;
}

.block-edit-kind[aria-pressed='true']::after {
  content: '✓';
  font-weight: 400;
}

.block-edit-hint {
  font-size: 0.72rem;
  color: var(--muted);
}

.block-edit-remove {
  margin-top: 0.15rem;
  border-top: 1px solid var(--rule);
  border-radius: 0 0 5px 5px;
  color: var(--muted);
}

.studio-release-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.6rem;
}

/* Downloads & print settings form. */
.studio-settings-form {
  display: grid;
  gap: 0.6rem;
  max-width: 24rem;
}

.studio-checkbox {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-ui);
  font-size: 0.95rem;
}

.studio-checkbox input {
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--accent);
}

.studio-action-btn {
  font-size: 0.8rem;
  padding: 0.3rem 0.8rem;
}

/* --- studio: index title row + first-publish wizard --- */
.studio-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.studio-title-row h1 {
  margin-bottom: 0;
}

.studio-breadcrumb {
  margin: 1.2rem 0 -0.6rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.studio-wizard {
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.studio-wizard:disabled {
  opacity: 0.6;
}

.import-files li .studio-action-btn {
  margin-left: 0.4rem;
}

.studio-strategy {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.studio-strategy select {
  font: inherit;
  max-width: 100%;
}

/* --- studio: per-chapter selection in the file list --- */
.studio-chapter-picker {
  margin-top: 0.35rem;
}

.studio-chapter-picker-tools {
  display: flex;
  gap: 0.4rem;
  margin: 0.2rem 0 0.2rem 1.4rem;
}

.studio-chapter-picker .studio-doc-chapters {
  margin-top: 0.2rem;
}

.studio-chapter-picker .studio-checkbox {
  font-size: 0.85rem;
  color: var(--ink);
}

.studio-chapter-picker .studio-checkbox input {
  width: 0.9rem;
  height: 0.9rem;
}

.studio-chapter-published span:first-child {
  color: var(--muted);
}

/* ————————————————————————————————————————————————————————————
   Group reads. The list pages borrow the shelf's chrome; what's new is
   the progress board and the invite panel.
   ———————————————————————————————————————————————————————————— */

.group-page h1 {
  font-family: var(--font-display);
  margin: 0 0 0.2rem;
}

.group-head {
  margin-bottom: 2rem;
}

.group-book {
  color: var(--muted);
  font-family: var(--font-ui);
  margin: 0.2rem 0 0.8rem;
}

.group-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.group-list li {
  align-items: baseline;
  border-bottom: 1px solid var(--rule);
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  padding: 0.55rem 0;
}

.group-list a {
  font-family: var(--font-ui);
  font-size: 1.02rem;
}

/* The board. A bar per member, sorted by nothing in particular — this is
   company, not a leaderboard, so no ranking and no ordering by progress. */
.group-board,
.group-roster {
  list-style: none;
  margin: 0;
  padding: 0;
}

.group-board li,
.group-roster li {
  align-items: center;
  border-bottom: 1px solid var(--rule);
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  padding: 0.5rem 0;
}

.group-member {
  align-items: center;
  display: flex;
  font-family: var(--font-ui);
  gap: 0.4rem;
}

.group-progress {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-family: var(--font-ui);
  font-size: 0.86rem;
  gap: 0.5rem;
}

.group-progress-bar {
  background: var(--wash);
  border-radius: 999px;
  display: block;
  height: 6px;
  overflow: hidden;
  width: 7rem;
}

.group-progress-bar > span {
  background: var(--group);
  display: block;
  height: 100%;
}

.group-progress-empty {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 0.86rem;
  font-style: italic;
}

.group-invite {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 0.4rem 0 0.6rem;
}

.group-invite code {
  background: var(--wash);
  border-radius: 6px;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.6rem;
}

/* The book page's block, sized to disappear when the reader has no
   groups — it must not grow a whole empty region for a feature most
   readers will never switch on. */
.overview-groups {
  margin: 2rem 0;
}

.overview-groups h2 {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* The multi-group share picker in the mark toolbar. */
.highlight-group-share {
  align-items: center;
  display: inline-flex;
  gap: 0.3rem;
}

.highlight-group-share select {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  max-width: 11rem;
}

/* ——— Email notifications ————————————————————————————————— */

/* The account panel and the two token landing pages share the channel
   list; it is the same two switches wherever it appears. */
.notify-channels {
  list-style: none;
  margin: 0.6rem 0 0.9rem;
  padding: 0;
  display: grid;
  gap: 0.4rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.notify-channels label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.notify-form {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.6rem;
}

.notify-form .field {
  flex: 1 1 16rem;
}

/* The per-book opt-in. It sits inside .overview-actions next to Follow
   and inside .caught-up at the end of a chapter, so it claims its own
   line in both rather than competing with the button beside it. */
.notify-inline {
  flex-basis: 100%;
  margin-top: 0.6rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
}

.caught-up .notify-inline {
  margin-top: 1.2rem;
}

/* Deliberately not a .btn: before the reader has said yes this is an
   offer, and an offer that looks like the Follow button beside it reads
   as a second, competing decision. */
.notify-inline-open {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  cursor: pointer;
}

.notify-inline-open:hover {
  color: var(--ink);
}

.notify-inline-note {
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.notify-inline-note code,
.notify-panel code {
  font-size: 0.95em;
}

.notify-inline-also {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
  color: var(--muted);
  cursor: pointer;
}

.notify-inline .notify-form {
  margin-top: 0;
}

/* Follow, on the author page. */
.author-actions {
  margin: 0.6rem 0 0;
}

.author-actions .follow-button {
  margin-left: 0;
}

.follow-hint {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--muted);
  margin-left: 0.6em;
}