/* Export page: a book moving from manuscript to deliverable. */

.export-page {
  --export-coral: #d86f63;
  --export-coral-dark: #873c37;
  --process-route-label-color: var(--export-coral-dark);
  --export-navy: #1c314b;
  --export-paper: #fffaf5;
  --export-paper-deep: #f1e2d3;
  --export-page-edge: #d9cdbf;
  --export-gold: #d6ad58;
  --export-stage-rgb: 246, 237, 224;
  overflow-x: clip;
}

.export-story {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 1fr);
  background:
    radial-gradient(circle at 76% 16%, rgba(var(--coral-rgb), 0.15), transparent 28%),
    radial-gradient(circle at 85% 72%, rgba(var(--ink-glow-rgb), 0.12), transparent 32%),
    var(--paper-grid),
    linear-gradient(180deg, var(--paper-2), var(--paper));
}

.export-book-stage,
.export-story__chapters {
  grid-row: 1;
}

.export-book-stage {
  position: sticky;
  top: 0;
  grid-column: 2;
  align-self: start;
  height: 100svh;
  min-height: 620px;
  overflow: hidden;
  isolation: isolate;
}

.export-book-stage::before {
  content: "";
  position: absolute;
  inset: 12% 8% 8%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--export-stage-rgb), 0.9), transparent 68%);
  filter: blur(14px);
}

.export-book-canvas {
  position: relative;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  visibility: hidden;
  background: transparent;
  touch-action: pan-y;
}

.export-book-stage[data-render-state="armed"] .export-book-canvas,
.export-book-stage[data-render-state="live"] .export-book-canvas {
  visibility: visible;
}

.export-book-fallback {
  position: absolute;
  inset: 0;
  z-index: 1;
  visibility: visible;
}

.export-book-stage[data-render-state="live"] .export-book-fallback {
  visibility: hidden;
}

.export-book-fallback picture,
.export-book-fallback img {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  display: block;
  width: auto;
  height: 100%;
  max-width: none;
  transform: translateX(-50%);
}

.export-story__chapters {
  position: relative;
  z-index: 1;
  grid-column: 1;
  min-width: 0;
}

.export-chapter {
  display: flex;
  min-height: 100svh;
  align-items: center;
  padding: calc(var(--nav-height) + 56px) clamp(38px, 5vw, 80px) 72px max(var(--gutter), calc((100vw - var(--container)) / 2 + var(--gutter)));
}

.export-chapter__inner {
  width: min(100%, 570px);
}

.export-chapter .breadcrumb {
  margin-bottom: 28px;
}

.export-chapter h1,
.export-chapter h2 {
  max-width: 10ch;
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: var(--weight-title);
  letter-spacing: var(--tracking-title);
  line-height: 0.94;
}

.export-chapter h1 {
  font-size: clamp(3.2rem, 4.8vw, 4.5rem);
}

.export-chapter h2 {
  font-size: clamp(2.55rem, 4vw, 3.5rem);
}

.export-chapter p {
  max-width: 58ch;
  margin: 24px 0 0;
  color: var(--slate);
  line-height: 1.7;
  text-wrap: pretty;
}

.export-chapter__lead {
  font-size: clamp(1rem, 1.25vw, 1.12rem);
}

.export-chapter__inner > .text-link {
  display: inline-flex;
  margin-top: 32px;
}

.export-chapter--cover,
.export-chapter--back {
  background: rgba(var(--paper-card-rgb), 0.32);
}

.cover-editor {
  display: grid;
  gap: 18px;
  max-width: 500px;
  margin-top: 34px;
}

.cover-editor > label {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(var(--ink-rgb), 0.16);
}

.cover-editor label > span {
  color: var(--overline);
  font-size: 0.78rem;
  font-weight: var(--weight-emphasis);
}

.cover-editor input[type="text"] {
  width: 100%;
  padding: 8px 0;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font: inherit;
  font-size: 1rem;
}

.cover-editor fieldset {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin: 2px 0 0;
  padding: 0;
  border: 0;
}

.cover-editor legend {
  float: left;
  width: 112px;
  margin-right: 18px;
  padding-top: 8px;
  color: var(--overline);
  font-size: 0.78rem;
  font-weight: var(--weight-emphasis);
}

.cover-swatch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  cursor: pointer;
}

.cover-swatch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.cover-swatch::before {
  width: 24px;
  height: 24px;
  border: 3px solid var(--paper-2);
  border-radius: 50%;
  outline: 1px solid rgba(var(--ink-rgb), 0.24);
  content: "";
}

.cover-swatch--coral::before { background: var(--export-coral); }
.cover-swatch--navy::before { background: var(--export-navy); }
.cover-swatch--paper::before { background: var(--export-paper); }

.cover-swatch:has(input:checked)::before {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

.cover-swatch:has(input:focus-visible) {
  border-radius: 4px;
  outline: 3px solid var(--focus-ring);
  outline-offset: 4px;
}

.cover-editor > label:focus-within {
  border-color: var(--coral-deep);
}

.cover-editor input[type="text"]:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 5px;
}


.book-details {
  display: grid;
  margin: 34px 0 0;
}

.book-details div {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 18px;
  min-height: 56px;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid rgba(var(--ink-rgb), 0.14);
}

.book-details dt {
  color: var(--overline);
  font-size: 0.78rem;
  font-weight: var(--weight-emphasis);
  line-height: 1.35;
}

.book-details dd {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: var(--weight-title);
  line-height: 1.35;
}

.export-formats {
  padding: clamp(88px, 11vw, 150px) 0;
  background: var(--paper-2);
}

.export-formats__head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.6fr);
  gap: clamp(36px, 8vw, 110px);
  align-items: end;
  margin-bottom: clamp(52px, 7vw, 88px);
}

.export-formats__head h2 {
  max-width: 11ch;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 4.2vw, 3.5rem);
  line-height: 0.95;
}

.export-formats__head p {
  max-width: 54ch;
  margin: 0;
  color: var(--slate);
  line-height: 1.7;
}

.export-route__formats {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
}

.export-route__formats li {
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--ink);
  background: rgba(var(--ink-rgb), 0.07);
  font-size: 0.78rem;
  font-weight: var(--weight-emphasis);
}

.export-final {
  position: relative;
  color: var(--ink);
  background: var(--paper-2);
}

.export-final h2 {
  color: var(--ink);
}

.export-final p {
  color: var(--slate);
}

.page-cta.export-final :is(a, button):focus-visible {
  outline-color: var(--focus-ring);
}

@media (max-width: 980px) {
  .export-story {
    display: block;
  }

  .export-book-stage {
    top: var(--nav-height);
    z-index: 4;
    height: 43svh;
    min-height: 300px;
    background:
      radial-gradient(circle, rgba(var(--export-stage-rgb), 0.94), transparent 68%),
      var(--paper-2);
  }

  .export-story__chapters {
    margin-top: -1px;
  }

  .export-chapter {
    min-height: auto;
    padding: clamp(62px, 12vw, 96px) var(--gutter);
    background: rgba(var(--paper-2-rgb), 0.96);
  }

  .export-chapter--hero {
    padding-top: 48px;
  }

  .export-chapter:not(.export-chapter--hero) {
    min-height: 100svh;
    padding-top: calc(43svh + 58px);
  }

  .export-chapter--cover,
  .export-chapter--back {
    background: rgba(var(--paper-card-rgb), 0.96);
  }

  .export-chapter__inner {
    width: min(100%, 680px);
    margin-inline: auto;
  }

  .export-chapter h1 {
    max-width: 12ch;
  }

  .export-formats__head {
    grid-template-columns: 1fr;
  }

  .export-route__formats {
    grid-column: 2;
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .export-book-stage {
    height: 39svh;
    min-height: 270px;
  }

  .export-chapter {
    padding-block: 58px;
  }

  .export-chapter--hero {
    padding-top: 42px;
  }

  .export-chapter:not(.export-chapter--hero) {
    padding-top: calc(39svh + 58px);
  }

  .export-chapter h1 {
    font-size: clamp(2.75rem, 11vw, 3.5rem);
  }

  .export-chapter h2 {
    max-width: 11ch;
    font-size: clamp(2.35rem, 9.5vw, 3.125rem);
  }

  .cover-editor > label,
  .book-details div {
    grid-template-columns: 94px minmax(0, 1fr);
  }

  .cover-editor fieldset {
    align-items: flex-start;
  }

  .cover-editor legend {
    width: 94px;
  }

  .cover-swatch span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .export-formats {
    padding-block: 76px;
  }

  .export-formats__head {
    gap: 24px;
    margin-bottom: 44px;
  }

  .export-formats__head h2 {
    font-size: clamp(2.4rem, 10vw, 3.25rem);
  }

  .export-route__formats {
    grid-column: 1;
    margin-top: 8px;
  }

}

@media (prefers-reduced-motion: reduce) {
  .export-book-fallback {
    will-change: auto;
  }
}