.book-reader-controls {
  position: relative;
}

.book-reader-back {
  position: absolute;
  top: 65px;
  left: 18px;
  z-index: 1050;
}

.book-reader-theme {
  position: absolute;
  top: 65px;
  right: 18px;
  z-index: 1050;
}

.book-reader-control-btn {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--cc-line);
  background: var(--cc-surface-mid);
  color: var(--cc-fg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .06);
  cursor: pointer;
}

.book-reader-control-btn:hover {
  border-color: var(--cc-accent);
  box-shadow: 0 0 0 1px rgba(157, 26, 1, .30);
}

.book-reader-page-nav {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1050;
}

.book-reader-start-over {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 1050;
}

.book-reader-start-over .book-reader-control-btn {
  width: auto;
  padding: 0 1rem;
  height: 44px;
  border-radius: 999px;
  font-size: .85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  gap: .5rem;
}

.book-reader-start-over .book-reader-control-btn i {
  font-size: 14px;
}

@media (max-width: 575.98px) {
  .book-reader-start-over .book-reader-control-btn span {
    display: none !important;
  }
  .book-reader-start-over .book-reader-control-btn {
    width: 44px;
    padding: 0;
  }
}

.book-reader-page-btn {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-reader-page-btn i {
  font-size: 16px;
  line-height: 1;
}

.book-reader-page-btn:disabled,
.book-reader-page-btn[aria-disabled="true"] {
  opacity: 0.35;
  cursor: not-allowed;
  border-color: var(--cc-line);
  background: var(--cc-surface-soft);
  box-shadow: none;
}

.book-reader-page-btn:disabled:hover,
.book-reader-page-btn[aria-disabled="true"]:hover {
  border-color: var(--cc-line);
  box-shadow: none;
  background: var(--cc-surface-soft);
  transform: none;
}

.book-reader-page-status {
  min-width: 3.8rem;
  padding: 0 .25rem;
  color: var(--cc-muted);
  font-size: .78rem;
  text-align: center;
}

.book-reader-page-status.is-complete {
  color: var(--cc-complete-fg);
}

.book-reader-page {
  display: none;
}

.book-reader-page.is-active {
  display: block;
}

body.theme-light .book-reader-control-btn {
  background: var(--cc-surface-mid);
}

body.theme-light .book-reader-page-status {
  color: var(--cc-muted);
}