@font-face {
  font-family: Nohemi;
  src: url("/static/fonts/books/xped-Nohemi-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "General Sans";
  src: url("/static/fonts/books/xped-GeneralSans-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "General Sans";
  src: url("/static/fonts/books/xped-GeneralSans-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Comic Neue";
  src: url("/static/fonts/books/comicneue-ComicNeue-LightItalic.ttf");
  font-weight: 300;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: Nunito;
  src: url("/static/fonts/books/nunito-Nunito-wght.ttf") format("truetype");
  font-weight: 200 1000;
  font-display: swap;
}
@font-face {
  font-family: Nunito;
  src: url("/static/fonts/books/nunito-Nunito-Italic-wght.ttf")
    format("truetype");
  font-weight: 200 1000;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Playpen Sans";
  src: url("/static/fonts/books/playpensans-PlaypenSans-wght.ttf")
    format("truetype");
  font-weight: 100 800;
  font-display: swap;
}
@font-face {
  font-family: Fraunces;
  src: url("/static/fonts/books/fraunces-Fraunces-SOFT-WONK-opsz-wght.ttf")
    format("truetype");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: Fraunces;
  src: url("/static/fonts/books/fraunces-Fraunces-Italic-SOFT-WONK-opsz-wght.ttf")
    format("truetype");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: Andika;
  src: url("/static/fonts/books/andika-Andika-Regular.ttf");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: Andika;
  src: url("/static/fonts/books/andika-Andika-Bold.ttf");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: Andika;
  src: url("/static/fonts/books/andika-Andika-Italic.ttf");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: Andika;
  src: url("/static/fonts/books/andika-Andika-BoldItalic.ttf");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Comic Neue";
  src: url("/static/fonts/books/comicneue-ComicNeue-Light.ttf");
  font-weight: 300;
  font-display: swap;
}
@font-face {
  font-family: "Comic Neue";
  src: url("/static/fonts/books/comicneue-ComicNeue-Regular.ttf");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Comic Neue";
  src: url("/static/fonts/books/comicneue-ComicNeue-Bold.ttf");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "Comic Neue";
  src: url("/static/fonts/books/comicneue-ComicNeue-Italic.ttf");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Comic Neue";
  src: url("/static/fonts/books/comicneue-ComicNeue-BoldItalic.ttf");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
* {
  box-sizing: border-box;
}
.book-app {
  margin: 0;
  background: var(--theme-surface-soft, var(--bg));
  color: var(--theme-ink, var(--text));
  font-family: Inter, system-ui, sans-serif;
  font-size: 14px;
  height: 100dvh;
  overflow: hidden;
}
.book-app button,
.book-app input,
.book-app select,
.book-app textarea {
  font: inherit;
}
.book-app button,
.book-app a {
  touch-action: manipulation;
}
.book-app button {
  cursor: pointer;
}
.book-app button:disabled {
  opacity: 0.45;
  cursor: default;
}
.book-app :focus-visible {
  outline: 3px solid var(--theme-accent-line, var(--primary-light));
  outline-offset: 3px;
}
.book-app input:not([type="range"]):not([type="color"]):not([type="checkbox"]),
.book-app select,
.book-app textarea {
  border: 1px solid var(--theme-line, var(--border));
  border-radius: var(--radius);
  background: var(--theme-surface, white);
  color: var(--theme-ink, var(--text));
  padding: 9px 10px;
  min-width: 0;
}
.book-app textarea {
  resize: vertical;
  line-height: 1.5;
}
.book-app .primary-btn,
.book-app .secondary-btn,
.book-app .ghost-btn {
  font-size: 13px;
  min-height: 36px;
  padding: 8px 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  text-decoration: none;
  border-radius: var(--radius);
}
.book-app .primary-btn {
  background: var(--primary);
  color: white;
  border: 1px solid var(--primary);
}
.book-app .secondary-btn {
  background: var(--theme-surface, white);
  border: 1px solid var(--theme-line, var(--border));
  color: var(--theme-ink, var(--text));
}
.book-app .ghost-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--theme-muted, var(--muted));
}
.book-app .ghost-btn:hover,
.book-app .secondary-btn:hover {
  background: var(--theme-accent-soft, var(--accent-light));
  color: var(--theme-accent-ink, var(--primary));
}
.book-topbar {
  height: 70px;
  background: var(--theme-surface, white);
  border-bottom: 1px solid var(--theme-line, var(--border));
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
}
.book-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--theme-ink, var(--text));
  font-size: 18px;
  font-weight: 850;
  white-space: nowrap;
}
.book-brand svg {
  width: 29px;
  height: 29px;
  stroke: var(--theme-accent-ink, var(--primary));
  stroke-width: 1.7;
  fill: none;
}
.book-title-wrap {
  flex: 1;
  min-width: 100px;
}
.book-title-wrap input {
  width: 100%;
  max-width: 430px;
  border-color: transparent !important;
  font-weight: 800;
  font-size: 15px;
  padding: 2px 5px !important;
}
.book-title-wrap input:hover,
.book-title-wrap input:focus {
  border-color: var(--theme-line, var(--border)) !important;
}
.book-title-wrap span {
  display: block;
  font-size: 11px;
  color: var(--theme-muted, var(--muted));
  padding-left: 5px;
}
.book-save-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  min-height: 20px;
}
.book-save-row .book-text-link {
  min-height: 24px;
  padding: 2px 7px;
}
.book-top-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
#account-name {
  font-size: 12px;
  color: var(--theme-muted, var(--muted));
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
}
#editor-status {
  font-size: 11px;
  color: var(--theme-muted, var(--muted));
  max-width: 130px;
}
.book-library {
  height: calc(100dvh - 70px);
  overflow: auto;
  padding: 44px clamp(24px, 6vw, 100px);
}
.book-library-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 0 30px;
  gap: 20px;
}
.book-eyebrow {
  font-size: 10px !important;
  letter-spacing: 2px;
  font-weight: 900;
  color: var(--theme-accent-ink, var(--primary)) !important;
}
.book-library h1 { font: 750 clamp(30px, 3vw, 42px)/1.15 Inter, sans-serif; letter-spacing: -.045em; margin: 8px 0 12px; }
.book-library p {
  color: var(--theme-muted, var(--muted));
  font-size: 15px;
}
.book-library-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 26px; padding: 16px; border: 1px solid var(--theme-line, var(--border)); border-radius: 18px; background: var(--theme-surface, white); }
.book-tabs { display: flex; gap: 3px; padding: 4px; background: var(--theme-accent-soft, #e9edf5); border-radius: 12px; }
.book-tabs button {
  border: none;
  border-radius: 8px;
  padding: 9px 13px;
  background: transparent;
  color: var(--theme-muted, var(--muted));
}
.book-tabs [aria-selected="true"] { background: var(--theme-surface, white); color: var(--theme-accent-ink, var(--primary)); font-weight: 700; box-shadow: 0 2px 8px #17233c12; }
.book-search-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 28px;
}
.book-card {
  min-width: 0;
}
.book-cover-button { border: 1px solid var(--theme-line, var(--border)); padding: 28px; width: 100%; height: 260px; background: var(--theme-accent-soft, #edf2fa); border-radius: 18px; display: flex; align-items: center; justify-content: center; transition: background .16s ease, box-shadow .16s ease; }
.book-cover-button:hover { background: var(--theme-accent-soft, #e5edfc); box-shadow: 0 10px 26px #17233c12; }
.book-mini-cover {
  width: 132px;
  height: 187px;
  box-shadow: 3px 5px 10px #20203325;
  border-radius: 2px;
  overflow: hidden;
  background: #fffdf7;
}
.book-mini-cover svg {
  width: 100%;
  height: 100%;
}
.book-card-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}
.book-card h3 {
  font-size: 15px;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.book-card p {
  font-size: 12px;
  margin: 3px 0;
}
.book-empty { grid-column: 1/-1; text-align: center; padding: 64px 24px; background: var(--theme-surface, white); border: 1px solid var(--theme-line, var(--border)); border-radius: 18px; box-shadow: 0 8px 24px #27375808; }
.book-empty h2 { font: 700 23px/1.3 Inter, sans-serif; letter-spacing: -.03em; }
.book-workspace {
  height: calc(100dvh - 70px);
  display: grid;
  grid-template-columns: 174px minmax(0, 1fr) 260px;
}
.book-pages-panel,
.book-inspector {
  padding: 18px 14px;
  background: var(--theme-surface, white);
  overflow: auto;
  scrollbar-width: thin;
}
.book-pages-panel {
  border-right: 1px solid var(--theme-line, var(--border));
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.book-panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.book-app h2 {
  font-size: 15px;
  margin: 0 0 12px;
}
.book-panel-heading h2 {
  margin: 0;
}
.book-page-list {
  flex: 1;
  overflow: auto;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 3px;
}
.book-thumb {
  background: transparent;
  border: 2px solid transparent;
  border-radius: 7px;
  padding: 6px;
  display: block;
  width: 100%;
  text-align: center;
  color: var(--theme-muted, var(--muted));
}
.book-thumb[aria-current="true"] {
  background: var(--theme-accent-soft, var(--accent-light));
  border-color: var(--theme-accent-line, var(--primary-light));
  color: var(--theme-accent-ink, var(--primary));
}
.book-thumb[data-visible="true"]:not([aria-current="true"]) {
  border-color: var(--theme-line, var(--border));
  background: var(--surface, var(--theme-surface, #fff));
}
.book-thumb-preview {
  display: block;
  width: 65px;
  height: 92px;
  margin: 0 auto 5px;
  box-shadow: var(--shadow-sm);
  background: #fffdf7;
  pointer-events: none;
  overflow: hidden;
}
.book-thumb svg {
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.book-thumb span:last-child {
  font-size: 10px;
  font-weight: 700;
}
.book-canvas-area { min-width: 0; min-height: 0; display: flex; flex-direction: column; position: relative; background: #eef2f8; }
.book-toolbar { align-self: stretch; display: flex; align-items: center; justify-content: center; gap: 3px; margin: 14px 16px 0; background: var(--theme-surface, white); padding: 6px; border: 1px solid var(--theme-line, var(--border)); box-shadow: 0 4px 14px #17233c08; border-radius: 12px; z-index: 3; flex-wrap: wrap; }
.book-toolbar button {
  border: 0;
  background: transparent;
  border-radius: 7px;
  padding: 8px 9px;
  color: var(--theme-muted, var(--muted));
  font-weight: 700;
  white-space: nowrap;
}
.book-toolbar button:hover,
.book-toolbar button[aria-pressed="true"] {
  color: var(--theme-accent-ink, var(--primary));
  background: var(--theme-accent-soft, var(--accent-light));
}
.book-toolbar button span {
  font-size: 11px;
  margin-left: 3px;
}
.book-toolbar-divider {
  width: 1px;
  height: 21px;
  background: var(--theme-surface-soft, var(--border));
  margin: 0 4px;
}
.book-viewport {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: grid;
  place-items: center;
  padding: 28px 30px;
  position: relative;
  overscroll-behavior: contain;
}
.book-spread {
  display: flex;
  position: relative;
  filter: drop-shadow(0 12px 18px #24304c20);
  flex: none;
}
.book-sheet {
  position: relative;
  flex: none;
  background: var(--theme-warning-soft, #fffdf7);
  touch-action: none;
  outline: none;
  overflow: visible;
}
.book-sheet > svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.book-sheet[data-active="true"] {
  outline: 1px solid var(--theme-line, #a5a5c466);
  outline-offset: 2px;
}
.book-spread.two-pages .book-sheet:first-child:after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 10px;
  background: linear-gradient(90deg, transparent, #32294316);
  pointer-events: none;
  z-index: 2;
}
.book-spread.two-pages .book-sheet:nth-child(2):after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 10px;
  background: linear-gradient(90deg, #32294314, transparent);
  pointer-events: none;
  z-index: 2;
}
.book-sheet.blank {
  background: var(--theme-warning-soft, #f7f5ef);
}
.book-sheet.drop-target {
  outline: 3px solid var(--primary);
  outline-offset: 0;
}
.book-sheet.drop-target:before {
  content: "Drop image here";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--theme-accent-soft, #eef2ffcc);
  color: var(--theme-accent-ink, var(--primary));
  font-size: 18px;
  font-weight: 800;
  z-index: 8;
}
.book-selection {
  position: absolute;
  border: 1.5px solid var(--primary);
  pointer-events: none;
  z-index: 5;
}
.book-handle {
  width: 11px;
  height: 11px;
  border: 1.5px solid var(--primary);
  border-radius: 3px;
  background: var(--theme-surface, white);
  position: absolute;
  pointer-events: auto;
  padding: 0;
  touch-action: none;
}
.book-handle.nw {
  left: -6px;
  top: -6px;
  cursor: nwse-resize;
}
.book-handle.ne {
  right: -6px;
  top: -6px;
  cursor: nesw-resize;
}
.book-handle.sw {
  left: -6px;
  bottom: -6px;
  cursor: nesw-resize;
}
.book-handle.se {
  right: -6px;
  bottom: -6px;
  cursor: nwse-resize;
}
.book-navigation {
  padding: 13px 16px;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--theme-line, #dfe1e9);
  background: var(--theme-surface-soft, #f8fafceb);
  min-height: 62px;
}
.book-nav-group,
.book-zoom {
  display: flex;
  align-items: center;
  gap: 4px;
}
.icon-btn {
  height: 32px;
  min-width: 32px;
  display: inline-grid;
  place-items: center;
  border: 0;
  background: transparent;
  color: var(--theme-muted, var(--muted));
  border-radius: 7px;
  font-size: 19px;
  line-height: 1;
}
.icon-btn:hover {
  background: var(--theme-accent-soft, var(--accent-light));
  color: var(--theme-accent-ink, var(--primary));
}
.book-position {
  font-size: 12px !important;
  font-weight: 800;
  border: 0;
  background: transparent;
  min-width: 100px;
  color: var(--theme-ink, var(--text));
  padding: 8px;
}
.book-add-page {
  border: 1px solid var(--theme-line, var(--border));
  background: var(--theme-surface, white);
  border-radius: 8px;
  height: 30px;
  width: 30px;
  margin-left: 6px;
}
.book-zoom select {
  padding: 5px !important;
  border: none !important;
  background: transparent !important;
  font-size: 11px;
}
.book-zoom span {
  font-size: 11px;
  min-width: 36px;
  text-align: center;
}
.book-inspector {
  border-left: 1px solid var(--theme-line, var(--border));
}
.book-inspector h3 {
  font-size: 12px;
  margin: 22px 0 10px;
  color: var(--theme-muted, var(--muted));
}
.book-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 12px;
  min-width: 0;
}
.book-field > span {
  font-size: 11px;
  font-weight: 800;
  color: var(--theme-muted, var(--muted));
}
.book-field input,
.book-field select,
.book-field textarea {
  width: 100%;
}
.book-field input[type="color"] {
  height: 34px;
  border: 1px solid var(--theme-line, var(--border));
  border-radius: 7px;
  background: var(--theme-surface, white);
  padding: 3px;
}
.book-row {
  display: flex;
  gap: 8px;
}
.book-row > * {
  flex: 1;
  min-width: 0;
}
.book-switch {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  padding: 8px 0;
  cursor: pointer;
}
.book-segmented {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
}
.book-segmented button {
  flex: 1;
  border: 1px solid var(--theme-line, var(--border));
  border-radius: 7px;
  background: var(--theme-surface, white);
  padding: 7px 3px;
  font-size: 11px;
}
.book-segmented button:hover,
.book-segmented [aria-pressed="true"] {
  background: var(--theme-accent-soft, var(--accent-light));
  color: var(--theme-accent-ink, var(--primary));
  border-color: var(--theme-accent-line, var(--primary-light));
}
.book-muted {
  color: var(--theme-muted, var(--muted));
  font-size: 12px;
  line-height: 1.55;
}
.book-inspector textarea {
  min-height: 110px;
  font-size: 14px;
}
.book-layer {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px;
  border-radius: 7px;
}
.book-layer.selected {
  background: var(--theme-accent-soft, var(--accent-light));
}
.book-layer > button:first-child {
  flex: 1;
  text-align: left;
  font-size: 11px;
  background: transparent;
  border: none;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.book-layer .icon-btn {
  font-size: 12px;
  min-width: 24px;
  width: 24px;
  height: 26px;
}
.book-ruler {
  position: absolute;
  left: 0;
  right: 0;
  top: -17px;
  display: flex;
  justify-content: space-between;
  color: var(--theme-muted, #7c8494);
  font-size: 8px;
  pointer-events: none;
}
.book-dialog { border: 1px solid var(--theme-line, var(--border)); border-radius: 20px; box-shadow: 0 24px 70px #17233c33; padding: 30px; max-width: 660px; width: calc(100vw - 32px); max-height: 88dvh; overflow: auto; overscroll-behavior: contain; color: var(--theme-ink, var(--text)); opacity: 0; transform: translateY(10px); transition: opacity .2s ease, transform .2s ease, display .2s allow-discrete, overlay .2s allow-discrete; }
.book-dialog::backdrop {
  background: #16203a66;
  backdrop-filter: blur(3px);
}
.book-dialog-close { position:sticky; top:0; height:0; display:flex; justify-content:flex-end; z-index:5; margin-right:-20px; transform:translateY(-20px); }
.book-dialog h2 { font: 750 26px/1.3 Inter, sans-serif; letter-spacing: -.035em; margin: 0 30px 10px 0; }
.book-dialog h3 {
  font-size: 14px;
  margin: 20px 0 10px;
}
.book-dialog .book-row {
  margin: 14px 0;
}
.book-dialog .book-field {
  margin-top: 12px;
}
.book-dialog button {
  font-size: 13px;
}
.book-dialog p {
  line-height: 1.55;
}
.book-template-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}
.book-template { border: 1px solid var(--theme-line, var(--border)); border-radius: 14px; text-align: left; background: var(--theme-surface, #fff); padding: 22px; min-height: 140px; display: grid; align-content: end; transition: border-color .16s, background .16s, box-shadow .16s; }
.book-template strong {
  display: block;
  margin: 0 0 8px;
  font-size: 15px;
}
.book-template:hover { border-color: var(--theme-accent-line, #9bb6ee); background: var(--theme-surface-soft, #f2f6ff); box-shadow: 0 6px 16px #2558d912; }
.book-toast {
  position: fixed;
  bottom: 82px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 20px;
  border-radius: 10px;
  background: #1e293b;
  color: white;
  max-width: min(600px, 90vw);
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  z-index: 50;
}
.book-toast.error {
  background: #7f1d1d;
}
.book-uploads {
  position: absolute;
  bottom: 74px;
  right: 14px;
  z-index: 15;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 270px;
}
.book-upload {
  background: var(--theme-surface, white);
  border: 1px solid var(--theme-line, var(--border));
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 11px;
  box-shadow: var(--shadow-sm);
}
.book-upload button {
  margin-left: 6px;
}
.book-asset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.book-asset-card {
  border: 1px solid var(--theme-line, var(--border));
  border-radius: 8px;
  padding: 8px;
  background: var(--theme-surface-soft, var(--bg));
  overflow: hidden;
}
.book-asset-card img {
  width: 100%;
  height: 90px;
  object-fit: contain;
}
.book-asset-card button {
  width: 100%;
  font-size: 11px;
}
.book-asset-card p {
  font-size: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.book-comments article {
  padding: 12px 0;
  border-bottom: 1px solid var(--theme-line, var(--border));
}
.book-comments article p {
  white-space: pre-wrap;
}
.book-comments small {
  color: var(--theme-muted, var(--muted));
}
.book-print-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.book-print-sheet {
  aspect-ratio: 297/210;
  border: 1px solid var(--theme-line, var(--border));
  display: flex;
  background: var(--theme-surface, white);
  position: relative;
}
.book-print-sheet svg,
.book-print-sheet .empty-half {
  width: 50%;
  height: 100%;
}
.book-print-sheet.with-guide:after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  border-left: 1px dashed var(--theme-line, #94a3b8);
}
.book-print-sheet.save-ink svg {
  filter: grayscale(1);
}
.book-reading .book-pages-panel,
.book-reading .book-inspector,
.book-reading .book-toolbar {
  display: none;
}
.book-reading .book-workspace {
  grid-template-columns: 1fr;
}
.book-turn {
  animation: book-turn 0.25s ease-out;
  transform-origin: center left;
}
.book-turn-back {
  animation: book-turn-back 0.25s ease-out;
  transform-origin: center right;
}
@keyframes book-turn {
  from {
    opacity: 0.65;
    transform: perspective(1400px) rotateY(-7deg) translateX(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes book-turn-back {
  from {
    opacity: 0.65;
    transform: perspective(1400px) rotateY(7deg) translateX(-8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .book-app *,
  .book-app *:before {
    animation: none !important;
    transition: none !important;
  }
}
@media (max-width: 1100px) {
  .book-workspace {
    grid-template-columns: 124px minmax(0, 1fr) 222px;
  }
  .book-topbar {
    gap: 12px;
    padding: 10px 16px;
  }
  .book-toolbar button span {
    display: none;
  }
  .book-toolbar {
    gap: 0;
  }
  .book-zoom {
    gap: 0;
  }
  .book-navigation {
    flex-wrap: wrap;
    justify-content: center;
    padding: 7px;
  }
  .book-brand span {
    font-size: 15px;
  }
  #account-name {
    display: none;
  }
}
@media (max-width: 780px) {
  .book-workspace {
    grid-template-columns: 1fr;
  }
  .book-pages-panel {
    display: none;
  }
  .book-inspector {
    position: fixed;
    right: 0;
    top: 70px;
    bottom: 0;
    width: 252px;
    z-index: 20;
    box-shadow: var(--shadow-lg);
    display: none;
  }
  .book-inspector.mobile-open {
    display: block;
  }
  .book-topbar {
    height: 70px;
    padding: 10px;
    gap: 8px;
  }
  .book-brand span {
    display: none;
  }
  .book-top-actions {
    gap: 3px;
  }
  .book-top-actions .ghost-btn,
  .book-top-actions .secondary-btn,
  .book-top-actions .primary-btn {
    padding: 7px 8px;
    font-size: 11px;
  }
  .book-top-actions > a,
  #editor-status {
    display: none;
  }
  .book-title-wrap {
    min-width: 65px;
  }
  .book-title-wrap input {
    font-size: 12px;
  }
  .book-viewport {
    padding: 22px;
  }
  .book-library {
    padding: 26px 18px;
  }
  .book-library-heading {
    align-items: flex-start;
  }
  .book-library h1 {
    font-size: 30px;
  }
  .book-library-tools {
    display: block;
  }
  .book-search-row {
    margin-top: 14px;
    flex-wrap: wrap;
  }
  .book-tabs {
    gap: 0;
  }
  .book-tabs button {
    padding: 8px;
    font-size: 11px;
  }
  .book-grid {
    grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
    gap: 20px;
  }
  .book-cover-button {
    height: 210px;
    padding: 12px;
  }
  .book-toolbar {
    margin-top: 10px;
  }
  .book-template-grid {
    grid-template-columns: 1fr;
  }
  .book-navigation {
    min-height: 65px;
  }
  .book-dialog {
    padding: 23px;
  }
  .book-title-wrap span {
    font-size: 9px;
  }
}
.book-danger {
  color: var(--theme-danger-ink, #b91c1c) !important;
}
.book-button-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.book-help-list {
  padding-left: 18px;
  line-height: 1.7;
  font-size: 12px;
}
.book-check-list {
  max-height: 160px;
  overflow: auto;
  font-size: 12px;
  line-height: 1.6;
}
.book-status-banner {
  padding: 10px 12px;
  background: var(--theme-accent-soft, var(--accent-light));
  color: var(--theme-accent-ink, var(--primary));
  border-radius: 8px;
  font-size: 12px;
  margin: 10px 0;
}
.book-pill {
  font-size: 10px;
  padding: 3px 7px;
  background: var(--theme-accent-soft, var(--accent-light));
  border-radius: 20px;
  color: var(--theme-accent-ink, var(--primary));
}

.book-mobile-settings {
  display: none;
}
@media (max-width: 780px) {
  .book-mobile-settings {
    display: block;
  }
  .book-top-actions #finish-turn {
    max-width: 65px;
    white-space: normal;
    line-height: 1.1;
  }
  .book-toolbar {
    max-width: calc(100vw - 16px);
  }
  .book-toolbar button {
    padding: 8px;
  }
  .book-topbar {
    gap: 4px;
  }
  .book-print-preview {
    grid-template-columns: 1fr;
  }
  .book-row {
    flex-wrap: wrap;
  }
}

@media (max-width: 780px) {
  .book-topbar {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr);
    grid-template-rows: 42px 42px;
    height: 104px;
    padding: 8px 10px;
    gap: 2px 8px;
  }
  .book-top-actions {
    grid-column: 1/-1;
    width: 100%;
    margin-left: 0;
    justify-content: flex-end;
    min-width: 0;
  }
  .book-title-wrap {
    min-width: 0;
  }
  .book-title-wrap input {
    max-width: none;
  }
  .book-workspace,
  .book-library {
    height: calc(100dvh - 104px);
  }
  .book-inspector {
    top: 104px;
  }
  .book-toolbar {
    justify-content: flex-start;
    overflow-x: auto;
    flex-shrink: 0;
    max-width: calc(100vw - 16px);
    margin-left: 8px;
    margin-right: 8px;
    scrollbar-width: thin;
  }
  .book-toolbar button {
    flex-shrink: 0;
  }
}

/* Book Studio editing controls share the site's color, focus and motion tokens. */
.book-icon {
  width: 19px;
  height: 19px;
  flex: none;
  vertical-align: middle;
}
.book-app button {
  transition:
    background-color 0.16s,
    border-color 0.16s,
    color 0.16s,
    box-shadow 0.16s;
}
.book-app button:not(:disabled):hover {
  box-shadow: 0 1px 4px #20254414;
}
.book-app button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  box-shadow: none;
}
.book-app button[aria-busy="true"] {
  cursor: progress;
}
.book-toolbar button,
.book-layer button,
#history {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.book-split-tool {
  display: flex;
  align-items: center;
  border-radius: 8px;
}
#text-presets {
  padding-left: 3px;
  padding-right: 6px;
}
.book-toolbar #page-settings {
  color: var(--theme-accent-ink, var(--primary));
}
.book-workspace.inspector-closed {
  grid-template-columns: 174px minmax(0, 1fr);
}
.book-workspace.inspector-closed > .book-inspector {
  display: none;
}
.book-object-fields {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}
.book-object-fields:disabled {
  opacity: 0.6;
}
.book-panel-heading {
  position: sticky;
  top: -18px;
  padding: 6px 0 10px;
  background: var(--theme-surface, white);
  z-index: 3;
}
.book-panel-heading h2 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.book-inspector .book-field > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}
.book-app .book-text-link {
  color: var(--theme-accent-ink, var(--primary));
  background: transparent;
  border: 0;
  font-size: 11px;
  text-decoration: underline;
  padding: 3px;
}
.book-hint {
  margin: 7px 0 12px;
  font-size: 11px;
}
.book-warning {
  border-left: 3px solid var(--theme-warning-line, #ca9d38);
  background: var(--theme-warning-soft, #fff8e7);
  padding: 9px;
  font-size: 12px;
  border-radius: 5px;
}
.book-app details {
  border: 1px solid var(--theme-line, var(--border));
  border-radius: 10px;
  margin: 14px 0;
  padding: 0 11px 2px;
  background: var(--theme-surface, #fbfbfe);
}
.book-app details > summary {
  cursor: pointer;
  list-style: none;
  font-size: 12px;
  font-weight: 800;
  padding: 12px 21px 12px 0;
  position: relative;
}
.book-app details > summary::-webkit-details-marker {
  display: none;
}
.book-app input[type="range"] {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 28px;
  background: transparent;
  margin: 0;
  cursor: pointer;
  accent-color: var(--primary);
}
.book-app input[type="range"]::-webkit-slider-runnable-track {
  height: 5px;
  border-radius: 8px;
  background: var(--theme-accent-soft, #deddf0);
}
.book-app input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  margin-top: -6px;
  border: 3px solid white;
  background: var(--primary);
  box-shadow:
    0 0 0 1px var(--primary-light),
    0 2px 5px #3a308326;
}
.book-app input[type="range"]::-moz-range-track {
  height: 5px;
  border-radius: 8px;
  background: var(--theme-accent-soft, #deddf0);
}
.book-app input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 3px solid white;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 1px var(--primary-light);
}
.book-app input[type="range"]:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}
.book-segmented {
  flex-wrap: wrap;
}
.book-segmented button {
  min-width: 28%;
  min-height: 33px;
}
.book-palette {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}
.book-palette .book-field {
  margin-bottom: 3px;
}
.book-palette .secondary-btn {
  padding: 3px 6px;
  width: 100%;
  min-height: 29px;
  font-size: 11px;
}
.book-layers h3 {
  display: flex;
  justify-content: space-between;
}
.book-layer {
  display: block;
  margin-bottom: 6px;
  padding: 6px;
  border: 1px solid var(--theme-line, var(--border));
  background: var(--theme-surface, #fcfcfe);
}
.book-layer.selected {
  border-color: var(--theme-accent-line, var(--primary-light));
}
.book-layer > button:first-child {
  width: 100%;
  justify-content: flex-start;
  gap: 7px;
  padding: 6px 3px;
  color: var(--theme-ink, var(--text));
  text-align: left;
}
.book-layer > button:first-child span {
  overflow: hidden;
  text-overflow: ellipsis;
}
.book-layer small {
  display: inline;
  font-size: 10px;
  color: var(--theme-muted, var(--muted));
  margin-left: 6px;
}
.book-layer.is-hidden > button:first-child {
  color: var(--theme-muted, var(--muted));
}
.book-layer-actions {
  display: flex;
  justify-content: flex-end;
  gap: 4px;
}
.book-layer .icon-btn {
  width: 32px;
  height: 30px;
  border-radius: 6px;
  border: 1px solid transparent;
}
.book-layer .icon-btn:not(:disabled):hover,
.book-layer .icon-btn[aria-pressed="true"] {
  background: var(--theme-surface, white);
  border-color: var(--theme-line, var(--border));
  color: var(--theme-accent-ink, var(--primary));
}
.book-layer .icon-btn .book-icon {
  width: 16px;
  height: 16px;
}
.book-selection-toolbar {
  position: absolute;
  bottom: 88px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: max-content;
  align-items: center;
  gap: 5px;
  padding: 5px 8px;
  background: var(--theme-surface, #fff);
  border: 1px solid var(--theme-line, var(--border));
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  max-width: calc(100% - 20px);
  white-space: nowrap;
}
.book-selection-toolbar > span {
  font-size: 11px;
  max-width: 115px;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 0 5px;
}
.book-selection-toolbar .secondary-btn {
  min-height: 30px;
  padding: 4px 8px;
  font-size: 11px;
}
.book-app textarea.book-inline-text {
  position: absolute;
  z-index: 7;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  outline: 2px solid var(--primary);
  outline-offset: 4px;
  resize: none;
  box-shadow: none;
  overflow: auto;
  min-height: 0;
  white-space: pre-wrap;
  overflow-wrap: break-word;
  transform-origin: center;
}
.book-sheet > .book-grid-overlay,
.book-sheet > .book-drag-guides {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 4;
}
.book-drag-guides path {
  stroke: var(--theme-violet-ink, #d15aaf);
  stroke-width: 0.35;
}
.book-drag-guides text {
  fill: var(--theme-violet-ink, #a92c8e);
  font: 3px Nunito;
}
.book-sheet > .book-ruler-x {
  position: absolute;
  top: -25px;
  left: 0;
  width: 100%;
  height: 22px;
  overflow: visible;
  pointer-events: none;
}
.book-sheet > .book-ruler-y {
  position: absolute;
  left: -29px;
  top: 0;
  width: 25px;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}
.book-ruler-x path,
.book-ruler-y path {
  stroke: var(--theme-muted, #8891a5);
  stroke-width: 0.2;
}
.book-ruler-x text,
.book-ruler-y text {
  fill: var(--theme-muted, #657088);
  font: 3.4px Nunito;
}
.book-drag-hud {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 12;
  background: #2e294de8;
  color: white;
  border-radius: 8px;
  padding: 8px 12px;
  font: 11px Nunito;
  pointer-events: none;
}
.book-marquee {
  position: absolute;
  pointer-events: none;
  border: 1px solid var(--primary);
  background: #6366f11c;
  z-index: 6;
}
.book-zoom-reset {
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 6px;
  background: transparent;
  color: var(--theme-muted, var(--muted));
  min-width: 48px;
}
.book-zoom-reset:hover {
  border-color: var(--theme-line, var(--border));
  background: var(--theme-surface, white);
}
.book-thumb-title {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  opacity: 0.75;
  font-weight: 400 !important;
}
.book-table-controls {
  display: grid;
  grid-template-columns: 1fr 30px 30px;
  gap: 4px;
  align-items: center;
  font-size: 11px;
  margin-bottom: 8px;
}
.book-table-controls .icon-btn {
  width: 30px;
  height: 30px;
}
.book-cell-grid {
  display: grid;
  gap: 3px;
  overflow: auto;
  margin-bottom: 12px;
}
.book-cell-grid[data-columns="1"] {
  grid-template-columns: minmax(70px, 1fr);
}
.book-cell-grid[data-columns="2"] {
  grid-template-columns: repeat(2, minmax(70px, 1fr));
}
.book-cell-grid[data-columns="3"] {
  grid-template-columns: repeat(3, minmax(70px, 1fr));
}
.book-cell-grid[data-columns="4"] {
  grid-template-columns: repeat(4, minmax(70px, 1fr));
}
.book-cell-grid[data-columns="5"] {
  grid-template-columns: repeat(5, minmax(70px, 1fr));
}
.book-cell-grid[data-columns="6"] {
  grid-template-columns: repeat(6, minmax(70px, 1fr));
}
.book-cell-grid[data-columns="7"] {
  grid-template-columns: repeat(7, minmax(70px, 1fr));
}
.book-cell-grid[data-columns="8"] {
  grid-template-columns: repeat(8, minmax(70px, 1fr));
}
.book-app .book-cell-grid input {
  border-radius: 5px;
  font-size: 11px;
  padding: 8px 6px;
}
.book-flow-step {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr) 25px 25px;
  align-items: center;
  gap: 3px;
  margin: 7px 0;
}
.book-flow-step > span {
  font-size: 11px;
  color: var(--theme-accent-ink, var(--primary));
}
.book-flow-step .icon-btn {
  min-width: 25px;
  width: 25px;
  height: 30px;
}
.book-flow-step .book-icon {
  width: 15px;
}
.book-flow-step input {
  font-size: 12px;
}
.book-theme-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 20px 0;
}
.book-theme {
  border: 2px solid var(--theme-line, var(--border));
  border-radius: 12px;
  background: var(--theme-surface, white);
  padding: 8px;
  text-align: left;
  color: var(--theme-ink, var(--text));
}
.book-theme[aria-pressed="true"] {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--accent-light);
}
.book-theme svg {
  width: 100%;
  border-radius: 6px;
}
.book-theme strong,
.book-theme span {
  display: block;
  margin: 6px 4px;
  font-size: 13px;
}
.book-theme[data-theme="xped"] {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 0 12px;
  align-items: center;
}
.book-theme[data-theme="xped"] > span:last-child {
  grid-column: 2;
  align-self: start;
  margin-top: 0;
}
.book-theme .book-xped-swatch {
  grid-row: 1 / 3;
  display: flex;
  height: 56px;
  overflow: hidden;
  border-radius: 7px;
  margin: 4px;
  background: #062940;
}
.book-xped-swatch span {
  flex: 1;
  margin: 0;
  background: #007acc;
}
.book-xped-swatch span:nth-child(2) {
  background: #ffd617;
}
.book-xped-swatch span:nth-child(3) {
  background: #062940;
}
.book-xped-options {
  border-top: 1px solid var(--theme-line, var(--border));
  padding-top: 16px;
}
.book-theme-setting {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.book-theme-setting h3,
.book-theme-setting p {
  margin: 0 0 4px;
}
.book-theme-setting .book-segmented {
  flex-shrink: 0;
}
.book-theme-setting .book-segmented button {
  white-space: nowrap;
}
.book-cover-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.book-cover-choice {
  border: 2px solid var(--theme-line, var(--border));
  border-radius: 12px;
  background: var(--theme-surface-soft, #f8f9fc);
  color: var(--theme-ink, var(--text));
  padding: 12px;
  text-align: left;
  min-width: 0;
}
.book-cover-choice[aria-pressed="true"] {
  border-color: var(--primary);
  background: var(--theme-accent-soft, var(--accent-light));
}
.book-cover-choice:hover:not(:disabled) {
  border-color: var(--theme-accent-line, var(--primary-light));
}
.book-cover-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}
.book-cover-pair svg {
  width: 100%;
  height: auto;
  display: block;
  box-shadow: 0 2px 7px #06294018;
  font-synthesis: none;
}
.book-cover-pair small {
  display: block;
  text-align: center;
  font-size: 10px;
  color: var(--theme-muted, var(--muted));
  margin-top: 5px;
}
.book-cover-choice > strong,
.book-cover-choice > span:last-child {
  display: block;
  margin: 4px 0;
}
.book-cover-choice > span:last-child {
  color: var(--theme-muted, var(--muted));
  font-size: 11px;
  line-height: 1.45;
}
.book-theme-apply {
  position: sticky;
  bottom: -28px;
  background: var(--theme-surface, white);
  border-top: 1px solid var(--theme-line, var(--border));
  padding: 15px 0;
  margin-top: 18px;
}
.book-palette:has([data-field="palette.5"]) {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
@media (max-width: 520px) {
  .book-cover-grid {
    grid-template-columns: 1fr;
  }
  .book-cover-pair {
    max-width: 270px;
    margin-inline: auto;
  }
}
.book-theme span {
  font-size: 11px;
  color: var(--theme-muted, var(--muted));
}
.book-text-presets {
  display: grid;
  gap: 10px;
}
.book-text-presets .book-template[data-text-preset="heading"] strong {
  font: 26px Fraunces;
}
.book-text-presets .book-template[data-text-preset="body"] strong {
  font-size: 18px;
}
.book-text-presets .book-template[data-text-preset="caption"] strong {
  font-size: 13px;
}
.book-mobile-book-actions {
  display: none;
}
.book-version-save {
  display: flex;
  gap: 10px;
  align-items: center;
}
.book-version-save .book-field {
  flex: 1;
}
.book-version {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--theme-line, var(--border));
}
.book-version > div {
  display: flex;
  align-items: center;
  gap: 12px;
}
.book-version .book-icon {
  color: var(--theme-accent-ink, var(--primary));
}
.book-version strong {
  font-size: 13px;
}
.book-version p {
  font-size: 11px;
  color: var(--theme-muted, var(--muted));
  margin: 3px 0;
}
.book-version-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-height: 380px;
  overflow: auto;
  background: var(--theme-surface-soft, #f5f4f8);
  border-radius: 10px;
  padding: 14px;
}
.book-version-preview figure {
  margin: 0;
}
.book-version-preview svg {
  width: 100%;
  height: auto;
  box-shadow: var(--shadow-sm);
}
.book-version-preview figcaption {
  text-align: center;
  font-size: 11px;
  color: var(--theme-muted, var(--muted));
  margin-top: 5px;
}
.book-shortcut-list {
  margin-top: 12px;
}
.book-shortcut {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 4px 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--theme-line, var(--border));
}
.book-shortcut > span {
  grid-row: span 2;
  color: var(--theme-accent-ink, var(--primary));
  font-size: 11px;
  font-weight: 800;
}
.book-shortcut kbd {
  font: 600 12px Nunito;
}
.book-shortcut p {
  margin: 0;
  font-size: 12px;
  color: var(--theme-muted, var(--muted));
}
#shortcut-search {
  width: 100%;
}
.book-loading {
  position: fixed;
  inset: 70px 0 0;
  z-index: 25;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--theme-surface-soft, var(--bg));
  color: var(--theme-muted, var(--muted));
}
.book-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--theme-line, var(--border));
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: book-spin 0.8s linear infinite;
}
@keyframes book-spin {
  to {
    transform: rotate(360deg);
  }
}
.book-app [hidden] {
  display: none !important;
}
@media (max-width: 1100px) and (min-width: 781px) {
  .book-workspace.inspector-closed {
    grid-template-columns: 124px minmax(0, 1fr);
  }
}
@media (max-width: 780px) {
  .book-workspace.inspector-closed {
    grid-template-columns: 1fr;
  }
  .book-selection-toolbar {
    bottom: 90px;
  }
  .book-selection-toolbar > span {
    max-width: 80px;
  }
  .book-mobile-book-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
  }
  .book-inspector {
    width: min(310px, 85vw);
  }
  .book-version-preview {
    grid-template-columns: 1fr 1fr;
  }
  .book-version-save {
    flex-wrap: wrap;
  }
  .book-loading {
    top: 104px;
  }
}
.book-reading .book-workspace.inspector-closed {
  grid-template-columns: 1fr;
}
.book-inspector-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--theme-line, var(--border));
  background: var(--theme-accent-soft, #f5f4fa);
  border-radius: 9px;
  margin: 2px 0 16px;
}
.book-inspector-tabs button {
  flex: 1;
  border: 0;
  border-radius: 6px;
  background: transparent;
  padding: 7px;
  font-size: 12px;
  font-weight: 800;
  color: var(--theme-muted, var(--muted));
}
.book-inspector-tabs button[aria-selected="true"] {
  background: var(--theme-surface, white);
  color: var(--theme-accent-ink, var(--primary));
  box-shadow: 0 1px 4px #26204e12;
}
.book-inspector-tabs {
  position: sticky;
  top: 25px;
  z-index: 3;
}
.book-app button[aria-busy="true"]::after {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 1.5px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: book-spin 0.8s linear infinite;
}

/* Page furniture and editable routes share the editor's selection language. */
.book-sheet [data-furniture] { cursor: move; }
.book-reading [data-furniture] { cursor: default; }
.book-furniture-selection { border-style: dashed; }
.book-path-selection { border-color: var(--border-color, var(--theme-accent-line, #d9dced)); }
.book-path-point {
  position: absolute;
  width: 18px;
  height: 18px;
  padding: 0;
  border: 2px solid var(--primary, var(--theme-accent-line, #4f46e5));
  background: var(--theme-surface, #fff);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: auto;
  cursor: grab;
  z-index: 3;
  box-shadow: 0 1px 5px #17244126;
  touch-action: none;
}
.book-path-point:hover, .book-path-point.active { background: var(--theme-accent-soft, #e9e7ff); box-shadow: 0 0 0 4px #6c63ff26; }
.book-path-point:active { cursor: grabbing; }
.book-path-point:focus-visible { outline: 3px solid var(--theme-accent-line, #8881ff); outline-offset: 3px; }
.book-path-menu {
  position: fixed;
  z-index: 100;
  width: 212px;
  padding: 6px;
  border-radius: 14px;
  border: 1px solid var(--border-color, var(--theme-accent-line, #d9dced));
  background: var(--surface, var(--theme-surface, #fff));
  box-shadow: 0 10px 32px #17244126;
}
.book-path-menu button { display: block; width: 100%; text-align: left; padding: 12px; border: 0; background: transparent; border-radius: 9px; color: inherit; cursor: pointer; }
.book-path-menu button:hover:not(:disabled), .book-path-menu button:focus-visible { background: var(--theme-accent-soft, #efedff); color: var(--theme-accent-ink, #4f46e5); }
.book-path-menu button:disabled { opacity: .4; cursor: not-allowed; }
.book-number-positions button[aria-pressed="true"] { background: var(--theme-accent-soft, #efedff); color: var(--theme-accent-ink, #4f46e5); border-color: var(--theme-accent-line, #a29cff); }
@media (pointer: coarse) { .book-path-point { width: 24px; height: 24px; } }

.book-dialog[open] { opacity:1; transform:none; }
@starting-style { .book-dialog[open] { opacity:0; transform:translateY(10px); } }
.book-app .app-select-upgraded { min-width:0; }
.book-app .app-select-button { min-height:38px; font-size:12px; }
.book-app .app-select-menu { font-size:12px; }
.book-search-row #book-search { width:clamp(200px,20vw,290px); }
.book-search-row .app-select-upgraded { min-width:165px; }
.book-library-count:empty { display:none; }
.book-inspector .book-panel-heading { padding-bottom:14px; border-bottom:1px solid var(--theme-line, var(--border)); margin-bottom:14px; }
.book-dialog-close .icon-btn { width:34px; height:34px; background:var(--theme-accent-soft, #eef2f8); border-radius:50%; }
.book-template[data-template]::before { content:'Aa'; color:var(--theme-accent-ink, #2558d9); font-size:25px; font-weight:600; margin-bottom:18px; }
.book-template[data-template="journal"]::before { content:'≡'; }
.book-template[data-template="story"]::before { content:'▧'; }
.book-template[data-template="explain"]::before { content:'↗'; }
@media(max-width:760px) { .book-library-tools { padding:12px; }.book-tabs { overflow-x:auto; max-width:100%; }.book-tabs button { flex-shrink:0; }.book-search-row { width:100%; }.book-search-row #book-search { width:100%; }.book-template { min-height:120px; }.book-toolbar { margin:8px; justify-content:flex-start; }.book-toolbar button { min-height:36px; }.book-app .app-select-menu { max-width:calc(100vw - 24px); } }

.book-dialog .book-row:has(#download-export) { position:sticky; bottom:-30px; background:var(--theme-surface, white); padding:14px 0; border-top:1px solid var(--theme-line, var(--border)); z-index:3; }