.defiallo-book {
  --book-ink: #292524;
  --book-wine: #6d1f2b;
  --book-paper: #f5f0e7;
  --book-rule: #dfd4c6;
  width: 100%;
  max-width: 66rem;
  min-height: var(--book-inline-height, 0);
  margin-inline: auto;
  color: var(--book-ink);
}

.defiallo-book__fallback {
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: clamp(1rem, 4vw, 2rem);
  background: var(--book-paper);
}

.defiallo-book__fallback img {
  display: block;
  width: min(100%, 23.5rem);
  height: auto;
  box-shadow: 0 14px 32px #29252433;
}

.defiallo-book__fallback p { margin: 0; }

.defiallo-book__viewer {
  background: #fffdf9;
  border: 1px solid var(--book-rule);
  border-radius: 0.65rem;
  overflow: hidden;
}

.defiallo-book__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem;
  border-bottom: 1px solid var(--book-rule);
  font: 600 0.9rem/1.35 Lato, system-ui, sans-serif;
}

.defiallo-book__zoom { display: flex; gap: 0.35rem; }

.defiallo-book__stage {
  display: grid;
  grid-template-columns: minmax(2.75rem, 1fr) minmax(0, 47rem) minmax(2.75rem, 1fr);
  align-items: center;
  justify-items: center;
  gap: clamp(0.25rem, 1vw, 0.8rem);
  padding: clamp(0.85rem, 4vw, 2.5rem) clamp(0.35rem, 1.8vw, 1.5rem);
  background: radial-gradient(ellipse at 50% 42%, #faf7ef 0%, var(--book-paper) 72%, #efe6da 100%);
}

.defiallo-book__spread {
  --book-fit-width: 23.5rem;
  display: flex;
  justify-content: center;
  width: 100%;
  perspective: 100rem;
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
}

.defiallo-book__viewport { width: 100%; min-width: 0; }

.defiallo-book__viewer[data-zoomed="true"] .defiallo-book__viewport {
  max-height: min(70vh, 44rem);
  overflow: auto;
  overflow-anchor: none;
  overscroll-behavior: contain;
}

.defiallo-book__viewer[data-zoomed="true"] .defiallo-book__spread {
  width: max(100%, calc(min(100%, var(--book-fit-width)) * var(--book-zoom)));
  touch-action: pan-x pan-y;
}

.defiallo-book__spread[data-drag] { cursor: grabbing; }

.defiallo-book__leaf {
  position: relative;
  flex: 0 1 auto;
  width: min(100%, 23.5rem);
  margin: 0;
  background: #fff;
  box-shadow: 0 2px 8px #29252419, 0 16px 30px -9px #29252452;
}

.defiallo-book__viewer[data-layout="single"] .defiallo-book__spread { --book-fit-width: 32rem; }

.defiallo-book__spread[data-leaves="2"] { --book-fit-width: 47rem; }

.defiallo-book__viewer[data-layout="single"] .defiallo-book__leaf { width: min(100%, var(--book-fit-width)); }

.defiallo-book__spread[data-leaves="2"] .defiallo-book__leaf { width: min(50%, 23.5rem); }

.defiallo-book__viewer[data-zoomed="true"] .defiallo-book__spread .defiallo-book__leaf {
  flex-shrink: 0;
  width: min(100%, calc(var(--book-fit-width) * var(--book-zoom)));
}

.defiallo-book__viewer[data-zoomed="true"] .defiallo-book__spread[data-leaves="2"] .defiallo-book__leaf { width: 50%; }

.defiallo-book__spread[data-leaves="2"] .defiallo-book__leaf::after {
  position: absolute;
  inset-block: 0;
  width: 0.8rem;
  content: '';
  pointer-events: none;
}

.defiallo-book__spread[data-leaves="2"] .defiallo-book__leaf:first-child::after {
  right: 0;
  background: linear-gradient(to right, transparent, #29252426);
}

.defiallo-book__spread[data-leaves="2"] .defiallo-book__leaf:last-child::after {
  left: 0;
  background: linear-gradient(to left, transparent, #29252423);
}

.defiallo-book__image {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
  user-select: none;
}

.defiallo-book__spread[data-turn="next"] .defiallo-book__leaf:last-child {
  animation: defiallo-book-next 260ms ease-out;
  transform-origin: left center;
}

.defiallo-book__spread[data-turn="previous"] .defiallo-book__leaf:first-child {
  animation: defiallo-book-previous 260ms ease-out;
  transform-origin: right center;
}

.defiallo-book__spread[data-drag="next"] .defiallo-book__leaf:last-child,
.defiallo-book__spread[data-drag="previous"] .defiallo-book__leaf:first-child {
  transform: translateX(var(--book-drag-shift, 0px)) rotateY(var(--book-drag-angle, 0deg));
}

.defiallo-book__spread[data-drag="next"] .defiallo-book__leaf:last-child { transform-origin: left center; }
.defiallo-book__spread[data-drag="previous"] .defiallo-book__leaf:first-child { transform-origin: right center; }

@keyframes defiallo-book-next {
  from { opacity: 0.5; transform: rotateY(-12deg); }
  to { opacity: 1; transform: rotateY(0); }
}

@keyframes defiallo-book-previous {
  from { opacity: 0.5; transform: rotateY(12deg); }
  to { opacity: 1; transform: rotateY(0); }
}

.defiallo-book__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem 1.2rem;
  padding: 0.95rem clamp(0.8rem, 3vw, 1.6rem);
  border-top: 1px solid var(--book-rule);
  font: 600 0.9rem/1.35 Lato, system-ui, sans-serif;
}

.defiallo-book__actions,
.defiallo-book__jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin: 0;
}

.defiallo-book__status {
  min-width: 8.5rem;
  margin: 0;
  text-align: center;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.defiallo-book__button,
.defiallo-book__zoom-button,
.defiallo-book__fullscreen,
.defiallo-book__layout,
.defiallo-book__select,
.defiallo-book__download,
.defiallo-book__fallback a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--book-rule);
  border-radius: 0.35rem;
  background: #fffdf9;
  color: var(--book-wine);
  font: inherit;
  text-decoration: none;
  white-space: nowrap;
}

.defiallo-book__button {
  position: relative;
  z-index: 1;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border-radius: 50%;
  box-shadow: 0 2px 6px #29252415;
}

.defiallo-book__button,
.defiallo-book__zoom-button,
.defiallo-book__fullscreen,
.defiallo-book__layout,
.defiallo-book__select { cursor: pointer; }

.defiallo-book__zoom-button { min-width: 2.75rem; }

.defiallo-book__zoom-button:nth-child(2) { min-width: 4.5rem; font-variant-numeric: tabular-nums; }

.defiallo-book__button[aria-disabled="true"],
.defiallo-book__zoom-button[aria-disabled="true"] {
  color: #736961;
  background: var(--book-paper);
  box-shadow: none;
  cursor: default;
}

.defiallo-book__arrow { font: 500 1.65rem/1 system-ui, sans-serif; }

.defiallo-book__select {
  width: clamp(7rem, 16vw, 12.5rem);
  padding-right: 1rem;
}

.defiallo-book__jump-label { color: var(--book-ink); font-size: 0.82rem; }

.defiallo-book__layout[hidden] { display: none; }

.defiallo-book__layout[aria-pressed="true"] {
  border-color: var(--book-wine);
  background: var(--book-paper);
}

.defiallo-book .defiallo-book__download,
.defiallo-book .defiallo-book__fallback a {
  border-color: var(--book-wine);
  background: var(--book-wine);
  color: #fff;
}

.defiallo-book .defiallo-book__download:hover,
.defiallo-book .defiallo-book__fallback a:hover { background: #541822; color: #fff; }

.defiallo-book__button:not([aria-disabled="true"]):hover,
.defiallo-book__zoom-button:not([aria-disabled="true"]):hover,
.defiallo-book__fullscreen:hover,
.defiallo-book__layout:hover { background: var(--book-paper); }

html.defiallo-book-modal-open { overflow: hidden; }

.defiallo-book-modal-open body {
  position: fixed;
  inset-inline: 0;
  top: var(--book-scroll-offset);
  width: 100%;
  overflow: hidden;
}

.defiallo-book__dialog[open] {
  position: fixed;
  inset: 0;
  z-index: 10001;
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: #fffdf9;
  overflow: hidden;
}

.defiallo-book__viewer[data-fullscreen="true"] {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  box-sizing: border-box;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  border: 0;
  border-radius: 0;
}

.defiallo-book__viewer[data-fullscreen="true"] .defiallo-book__fullscreen {
  display: inline-flex;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  font: 500 1.65rem/1 system-ui, sans-serif;
}

.defiallo-book__viewer[data-fullscreen="true"] .defiallo-book__stage {
  grid-template: 'pages pages pages' minmax(0, 1fr) 'previous count next' auto / minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 0.3rem;
  padding: 0.3rem;
}

.defiallo-book__viewer[data-fullscreen="true"] .defiallo-book__button--previous { grid-area: previous; justify-self: start; }
.defiallo-book__viewer[data-fullscreen="true"] .defiallo-book__button--next { grid-area: next; justify-self: end; }

.defiallo-book__viewer[data-fullscreen="true"] .defiallo-book__status {
  grid-area: count;
  min-width: 0;
  font: 600 0.9rem/1.35 Lato, system-ui, sans-serif;
}

.defiallo-book__viewer[data-fullscreen="true"] .defiallo-book__viewport {
  grid-area: pages;
  height: 100%;
  max-height: none;
  overflow: hidden;
}

.defiallo-book__viewer[data-fullscreen="true"][data-zoomed="true"] .defiallo-book__viewport { overflow: auto; }

.defiallo-book__viewer[data-fullscreen="true"] .defiallo-book__spread {
  --book-fit-width: var(--book-full-fit-width, 100%);
  min-height: 100%;
  align-items: center;
}

.defiallo-book__viewer[data-fullscreen="true"][data-zoomed="false"] .defiallo-book__leaf { width: min(100%, var(--book-fit-width)); }

.defiallo-book__viewer[data-fullscreen="true"][data-zoomed="false"] .defiallo-book__spread[data-leaves="2"] .defiallo-book__leaf {
  width: min(50%, calc(var(--book-fit-width) / 2));
}

.defiallo-book__viewer[data-fullscreen="true"] .defiallo-book__toolbar { justify-content: center; padding: 0.35rem 0.55rem; }
.defiallo-book__viewer[data-fullscreen="true"] .defiallo-book__actions { justify-content: center; gap: 0.35rem; }

.defiallo-book :focus-visible { outline: 2px solid var(--book-wine); outline-offset: 2px; }
.defiallo-book .defiallo-book__stage:focus-visible,
.defiallo-book .defiallo-book__viewport:focus-visible { outline-offset: -4px; }

.defiallo-book__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 48rem) {
  .defiallo-book__toolbar { justify-content: center; }
  .defiallo-book__actions { justify-content: center; }
}

@media (max-width: 30rem) {
  .defiallo-book__stage { gap: 0.2rem; padding-inline: 0.3rem; }
  .defiallo-book__status { min-width: 0; }
  .defiallo-book__jump { gap: 0.35rem; }
  .defiallo-book__select { width: 7.1rem; }
  .defiallo-book__toolbar { gap: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  .defiallo-book__spread[data-turn] .defiallo-book__leaf { animation: none; }
  .defiallo-book__spread[data-drag] .defiallo-book__leaf { transform: none; }
}