:root {
  color-scheme: dark;
  --coal-950: #090d10;
  --coal-900: #10171c;
  --coal-850: #141d22;
  --coal-800: #19242a;
  --steel-600: #52616a;
  --cream-100: #f1eadc;
  --cream-300: #cfc5b4;
  --copper-500: #c96849;
  --copper-400: #df8260;
  --focus: #ffd7a1;
  --toolbar-height: 3.75rem;
  --controls-height: 3.75rem;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--coal-950);
  color: var(--cream-100);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  width: 100%;
  min-width: 0;
  height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: var(--coal-950);
}

button {
  font: inherit;
}

button:focus-visible,
.reader-stage:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

button:disabled {
  cursor: default;
}

.reader-shell {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-rows: var(--toolbar-height) minmax(0, 1fr) var(--controls-height);
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 20%, rgba(40, 65, 78, 0.38), transparent 48%),
    linear-gradient(145deg, #131c21, #090d10 72%);
}

.reader-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(90deg, transparent 0 49.8%, rgba(255, 255, 255, 0.025) 50%, transparent 50.2%),
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 100% 100%, 100% 5px;
}

.reader-toolbar {
  z-index: 30;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  min-width: 0;
  padding: 0 1rem;
  border-bottom: 1px solid rgba(207, 197, 180, 0.15);
  background: rgba(10, 15, 18, 0.9);
  box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(12px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.episode-mark {
  display: flex;
  align-items: baseline;
  min-width: 0;
  gap: 0.65rem;
  white-space: nowrap;
}

.episode-mark__brand {
  color: var(--copper-400);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.episode-mark__title {
  overflow: hidden;
  color: var(--cream-100);
  font-size: 0.9rem;
  font-weight: 700;
  text-overflow: ellipsis;
}

.page-counter {
  min-width: 7.5rem;
  color: var(--cream-300);
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  text-align: center;
}

.toolbar-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.35rem;
}

.icon-button,
.nav-button,
.start-button {
  border: 1px solid rgba(207, 197, 180, 0.25);
  color: var(--cream-100);
  background: rgba(25, 36, 42, 0.88);
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease, transform 160ms ease;
}

.icon-button:hover:not(:disabled),
.nav-button:hover:not(:disabled) {
  border-color: rgba(223, 130, 96, 0.72);
  background: #253139;
}

.icon-button:active:not(:disabled),
.nav-button:active:not(:disabled),
.start-button:active:not(:disabled) {
  transform: translateY(1px);
}

.icon-button {
  display: inline-grid;
  place-items: center;
  flex: 0 0 2.75rem;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border-radius: 0.4rem;
}

.icon-button svg {
  fill: currentColor;
}

.cover-button {
  transition: visibility 160ms linear, opacity 160ms ease, border-color 160ms ease, background 160ms ease;
}

.reader-shell[data-page="0"] .cover-button,
.reader-shell[data-page="0"] .guided-toggle-button {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.guided-toggle-button[aria-pressed="true"] {
  border-color: rgba(223, 130, 96, 0.72);
  color: var(--focus);
  background: #253139;
}

.reader-main,
.reader-stage,
.reader-pages {
  min-width: 0;
  min-height: 0;
}

.reader-main {
  position: relative;
  overflow: hidden;
}

.reader-stage {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  perspective: 80rem;
  touch-action: pan-x pan-y pinch-zoom;
}

.reader-pages {
  position: absolute;
  inset: 0;
}

.reader-page {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: none;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: clamp(0.45rem, 1.5vh, 1rem) clamp(0.5rem, 5vw, 5rem);
  transform-origin: center center;
  pointer-events: none;
}

.reader-page--cover {
  padding-bottom: clamp(4.8rem, 9vh, 6.25rem);
}

.reader-page.is-active,
.reader-page.is-animating {
  display: flex;
}

.reader-page.is-active {
  z-index: 3;
}

.reader-page.is-animating {
  z-index: 2;
}

.reader-page img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  border-radius: 1px;
  background: #e9e2d5;
  box-shadow:
    0 1.8rem 4.5rem rgba(0, 0, 0, 0.52),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  user-select: none;
  -webkit-user-drag: none;
  touch-action: pan-x pan-y pinch-zoom;
  transition: filter 300ms cubic-bezier(0.22, 1, 0.36, 1), opacity 300ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reader-shell[data-guided="true"] .reader-page.is-active img {
  filter: brightness(0.28) saturate(0.72);
  opacity: 0.92;
}

.guided-view {
  position: absolute;
  inset: 0;
  z-index: 14;
  display: grid;
  place-items: center;
  overflow: hidden;
  cursor: pointer;
  touch-action: pan-x pan-y pinch-zoom;
}

.guided-panel {
  position: relative;
  overflow: hidden;
  max-width: 94vw;
  max-height: 94%;
  border: 1px solid rgba(223, 130, 96, 0.66);
  border-radius: 2px;
  background: #e9e2d5;
  box-shadow:
    0 1.4rem 4rem rgba(0, 0, 0, 0.62),
    0 0 1.2rem rgba(201, 104, 73, 0.14);
  pointer-events: none;
  transform-origin: center center;
}

.guided-panel img {
  position: absolute;
  display: block;
  max-width: none;
  max-height: none;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: #e9e2d5;
  box-shadow: none;
  object-fit: fill;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.guided-panel.panel-enter-next {
  animation: guided-panel-enter-next 300ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.guided-panel.panel-enter-previous {
  animation: guided-panel-enter-previous 300ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.reader-shell[data-guided="true"] .page-zone {
  visibility: hidden;
  pointer-events: none;
}

.reader-page--cover.is-active img {
  animation: cover-reveal 900ms cubic-bezier(0.22, 0.78, 0.22, 1) both;
}

.reader-page.enter-next {
  z-index: 4;
  animation: page-enter-next 360ms cubic-bezier(0.22, 0.72, 0.28, 1) both;
}

.reader-page.leave-next {
  animation: page-leave-next 360ms cubic-bezier(0.22, 0.72, 0.28, 1) both;
}

.reader-page.enter-previous {
  z-index: 4;
  animation: page-enter-previous 360ms cubic-bezier(0.22, 0.72, 0.28, 1) both;
}

.reader-page.leave-previous {
  animation: page-leave-previous 360ms cubic-bezier(0.22, 0.72, 0.28, 1) both;
}

.start-button {
  position: absolute;
  left: 50%;
  bottom: clamp(0.75rem, 2vh, 1.35rem);
  z-index: 12;
  min-height: 3rem;
  padding: 0.75rem 1.35rem;
  border-color: rgba(255, 215, 161, 0.42);
  border-radius: 0.4rem;
  color: #120f0d;
  background: linear-gradient(180deg, #e89270, #c96849);
  box-shadow: 0 0.8rem 2rem rgba(0, 0, 0, 0.42);
  font-weight: 800;
  letter-spacing: 0.025em;
  transform: translateX(-50%);
}

.start-button:hover {
  background: linear-gradient(180deg, #f0a080, #d87856);
}

.start-button:active:not(:disabled) {
  transform: translate(-50%, 1px);
}

.reader-shell:not([data-page="0"]) .start-button {
  display: none;
}

.page-zone {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 10;
  width: min(17vw, 10rem);
  min-width: 3rem;
  padding: 0;
  border: 0;
  color: var(--cream-100);
  background: transparent;
  cursor: pointer;
  opacity: 0.72;
  touch-action: pan-x pan-y pinch-zoom;
  transition: opacity 180ms ease, background 180ms ease;
}

.page-zone span {
  position: absolute;
  top: 50%;
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 200;
  line-height: 1;
  opacity: 0;
  text-shadow: 0 2px 8px #000;
  transform: translateY(-50%);
  transition: opacity 180ms ease, transform 180ms ease;
}

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

.page-zone--previous span {
  left: clamp(0.5rem, 2vw, 1.5rem);
  transform: translate(0.3rem, -50%);
}

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

.page-zone--next span {
  right: clamp(0.5rem, 2vw, 1.5rem);
  transform: translate(-0.3rem, -50%);
}

.page-zone:hover:not(:disabled),
.page-zone:focus-visible:not(:disabled) {
  opacity: 1;
}

.page-zone--previous:hover:not(:disabled),
.page-zone--previous:focus-visible:not(:disabled) {
  background: linear-gradient(90deg, rgba(10, 15, 18, 0.66), transparent);
}

.page-zone--next:hover:not(:disabled),
.page-zone--next:focus-visible:not(:disabled) {
  background: linear-gradient(-90deg, rgba(10, 15, 18, 0.66), transparent);
}

.page-zone:hover:not(:disabled) span,
.page-zone:focus-visible:not(:disabled) span {
  opacity: 0.84;
  transform: translate(0, -50%);
}

.page-zone:disabled {
  visibility: hidden;
  pointer-events: none;
}

.reader-controls {
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.55rem 1rem;
  border-top: 1px solid rgba(207, 197, 180, 0.13);
  background: rgba(10, 15, 18, 0.9);
  backdrop-filter: blur(12px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-width: 7.5rem;
  min-height: 2.65rem;
  padding: 0.55rem 0.85rem;
  border-radius: 0.35rem;
  font-size: 0.84rem;
  font-weight: 700;
}

.nav-button:disabled {
  opacity: 0.34;
}

.reader-shell[data-page="0"] .reader-controls {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.controls-idle[data-reading="true"] .reader-toolbar {
  opacity: 0.28;
  transform: translateY(-0.25rem);
}

.controls-idle[data-reading="true"] .reader-controls {
  opacity: 0.24;
  transform: translateY(0.25rem);
}

.controls-idle[data-reading="true"] .page-zone {
  opacity: 0.12;
}

.reader-toolbar:focus-within,
.reader-toolbar:hover,
.reader-controls:focus-within,
.reader-controls:hover {
  opacity: 1 !important;
  transform: none !important;
}

.noscript-message {
  position: fixed;
  inset: auto 1rem 1rem;
  z-index: 100;
  margin: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--copper-400);
  background: var(--coal-900);
  color: var(--cream-100);
  text-align: center;
}

.reader-shell:fullscreen {
  width: 100vw;
  height: 100vh;
}

@keyframes guided-panel-enter-next {
  from {
    opacity: 0.58;
    transform: translateX(0.8rem) scale(0.988);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes guided-panel-enter-previous {
  from {
    opacity: 0.58;
    transform: translateX(-0.8rem) scale(0.988);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes cover-reveal {
  from {
    opacity: 0;
    transform: translateY(0.7rem) scale(0.994);
    box-shadow: 0 0.6rem 1.5rem rgba(0, 0, 0, 0.2);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes page-enter-next {
  from {
    opacity: 0.65;
    transform: translateX(2.6%) rotateY(-0.9deg);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes page-leave-next {
  from {
    opacity: 1;
    transform: none;
  }
  to {
    opacity: 0.12;
    transform: translateX(-2%) rotateY(0.7deg);
  }
}

@keyframes page-enter-previous {
  from {
    opacity: 0.65;
    transform: translateX(-2.6%) rotateY(0.9deg);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes page-leave-previous {
  from {
    opacity: 1;
    transform: none;
  }
  to {
    opacity: 0.12;
    transform: translateX(2%) rotateY(-0.7deg);
  }
}

@media (max-width: 700px) {
  :root {
    --toolbar-height: 3.45rem;
    --controls-height: 3.45rem;
  }

  .reader-toolbar {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 0.45rem;
    padding: 0 0.55rem;
  }

  .episode-mark {
    display: none;
  }

  .page-counter {
    grid-column: 1;
    justify-self: start;
    text-align: left;
  }

  .toolbar-actions {
    grid-column: 3;
  }

  .episode-mark__brand {
    display: none;
  }

  .episode-mark__title {
    max-width: 8rem;
    font-size: 0.8rem;
  }

  .page-counter {
    min-width: 6.7rem;
    font-size: 0.76rem;
  }

  .toolbar-actions {
    gap: 0.2rem;
  }

  .icon-button {
    width: 2.75rem;
    height: 2.75rem;
  }

  .reader-page {
    padding: 0.35rem 0.55rem;
  }

  .reader-page--cover {
    padding-bottom: 4.25rem;
  }

  .start-button {
    bottom: 0.55rem;
    min-height: 2.75rem;
  }

  .reader-controls {
    gap: 0.5rem;
    padding: 0.4rem 0.65rem;
  }

  .nav-button {
    flex: 1 1 0;
    min-width: 0;
    min-height: 2.75rem;
  }

  .page-zone {
    width: 18vw;
    min-width: 2.5rem;
  }
}

@media (max-width: 390px) {
  .episode-mark__title {
    max-width: 5.7rem;
  }

  .page-counter {
    min-width: 5.9rem;
    font-size: 0.7rem;
  }

  .toolbar-actions {
    gap: 0.1rem;
  }
}

@media (pointer: coarse) {
  .page-zone span {
    display: none;
  }

  .page-zone:hover:not(:disabled) {
    background: transparent;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .icon-button,
  .nav-button,
  .start-button {
    border: 1px solid ButtonText;
  }

  .reader-page img {
    outline: 1px solid CanvasText;
  }

  .guided-panel {
    border: 1px solid CanvasText;
  }
}