:root {
  color-scheme: dark;
  --ink: #3c2818;
  --gold: #d8b467;
  --page: #e7d3a5;
  --red: #702a20;
}

*,
*::before,
*::after { box-sizing: border-box; }

html,
body {
  min-width: 0;
  max-width: 100%;
  margin: 0;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  color: #f5e8ce;
  font-family: Georgia, "Times New Roman", serif;
  background: radial-gradient(circle at 50% 0%, #512519, transparent 35rem), #100907;
}

a { color: inherit; }
button { font: inherit; }

.book-header,
.book-shell,
.book-footer {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.book-header {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.room-link,
.library-nav a,
.page-controls button,
.book-view-toggle button {
  border: 1px solid rgba(232, 194, 117, 0.42);
  border-radius: 0.25rem;
  color: #f5e8ce;
  background: rgba(70, 33, 22, 0.8);
  text-decoration: none;
}

.room-link { padding: 0.65rem 0.8rem; font-size: 0.82rem; }

.library-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
}

.library-nav a {
  padding: 0.45rem 0.6rem;
  font-family: system-ui, sans-serif;
  font-size: 0.68rem;
}

.library-nav a[aria-current="page"] {
  border-color: var(--gold);
  color: #25140d;
  background: var(--gold);
}

.book-view-toggle {
  display: flex;
  gap: 0.35rem;
  justify-content: center;
  margin: 0 0 1rem;
}

.book-view-toggle button {
  padding: 0.5rem 0.75rem;
  cursor: pointer;
}

.book-view-toggle button[aria-pressed="true"] {
  border-color: var(--gold);
  color: #25140d;
  background: var(--gold);
}

.book-shell {
  padding: clamp(0.7rem, 2vw, 1.4rem);
  border: 1px solid rgba(232, 194, 117, 0.34);
  border-radius: 0.7rem;
  background: rgba(36, 16, 11, 0.78);
  box-shadow: 0 28px 75px rgba(0, 0, 0, 0.52);
}

.book-title {
  margin: 0 0 1rem;
  color: var(--gold);
  font-size: clamp(1.8rem, 4vw, 3.6rem);
  font-weight: 400;
  text-align: center;
}

.open-book {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
  max-width: 100%;
  min-height: min(67vh, 690px);
  border: clamp(0.65rem, 1.5vw, 1.2rem) solid #4b2517;
  border-radius: 1.4rem 1.4rem 0.65rem 0.65rem;
  color: var(--ink);
  background: var(--page);
  box-shadow: inset 0 0 2.5rem rgba(94, 57, 27, 0.42), 0 1.2rem 2.6rem rgba(0, 0, 0, 0.42);
  overflow: hidden;
}

.open-book::before {
  position: absolute;
  z-index: 2;
  top: 4%;
  bottom: 4%;
  left: 50%;
  width: clamp(2.4rem, 4vw, 4rem);
  background: linear-gradient(90deg, transparent, rgba(61, 38, 20, 0.14), rgba(255, 248, 219, 0.1), rgba(61, 38, 20, 0.12), transparent);
  filter: blur(0.18rem);
  content: "";
  pointer-events: none;
  transform: translateX(-50%);
}

.original-book-mode .open-book {
  aspect-ratio: 3 / 2;
  min-height: 0;
  border: 0;
  border-radius: 0;
  background-color: transparent;
  background-image: url("../images/altes-buch-generiert-v7.jpg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  box-shadow: 0 1.2rem 2.6rem rgba(0, 0, 0, 0.42);
}

.original-book-mode .open-book::before {
  display: block;
  opacity: 0.32;
}

.original-book-mode .book-page {
  padding-top: clamp(5.5rem, 11vw, 9.5rem);
  padding-bottom: clamp(5.5rem, 10vw, 8.5rem);
  background: transparent;
  border: 0;
}

.original-book-mode .book-page:nth-child(odd) {
  padding-right: clamp(2.5rem, 4.5vw, 4rem);
  padding-left: clamp(11.5rem, 17.5vw, 15rem);
}

.original-book-mode .book-page:nth-child(even) {
  padding-right: clamp(9rem, 13.5vw, 11.8rem);
  padding-left: clamp(2.8rem, 5vw, 4.2rem);
}

.original-book-mode .chronicle-book .book-left-page {
  padding-right: clamp(4.2rem, 6.2vw, 5.8rem);
  padding-left: clamp(13rem, 19vw, 16.8rem);
}

.original-book-mode .chronicle-book .book-right-page {
  padding-right: clamp(10rem, 14.5vw, 13.4rem);
  padding-left: clamp(4.8rem, 6.6vw, 6.4rem);
}

.original-book-mode .book-page h1,
.original-book-mode .book-page h2,
.original-book-mode .book-page p,
.original-book-mode .future-links {
  text-shadow: 0 1px rgba(255, 248, 220, 0.42);
}

.original-book-mode .book-page h1 {
  font-size: clamp(1.55rem, 2.25vw, 2.35rem);
}

.book-page {
  position: relative;
  z-index: 1;
  min-width: 0;
  max-width: 100%;
  padding: clamp(2.1rem, 4vw, 4.4rem);
  background: radial-gradient(circle at 15% 10%, rgba(255, 251, 220, 0.5), transparent 30%), repeating-linear-gradient(0deg, rgba(95, 63, 35, 0.025) 0 1px, transparent 1px 4px);
  animation: page-arrives 360ms ease-out;
}

.book-left-page,
.book-right-page {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.book-left-page {
  padding-right: clamp(3.2rem, 5vw, 4.8rem);
  padding-left: clamp(4.8rem, 7vw, 6.4rem);
  background:
    radial-gradient(circle at 24% 10%, rgba(255, 251, 220, 0.42), transparent 30%),
    linear-gradient(90deg, transparent 82%, rgba(93, 59, 31, 0.08)),
    repeating-linear-gradient(0deg, rgba(95, 63, 35, 0.025) 0 1px, transparent 1px 4px);
}

.book-right-page {
  padding-right: clamp(4.8rem, 7vw, 6.4rem);
  padding-left: clamp(3.2rem, 5vw, 4.8rem);
  background:
    radial-gradient(circle at 76% 10%, rgba(255, 251, 220, 0.42), transparent 30%),
    linear-gradient(270deg, transparent 82%, rgba(93, 59, 31, 0.08)),
    repeating-linear-gradient(0deg, rgba(95, 63, 35, 0.025) 0 1px, transparent 1px 4px);
}

.original-book-mode .book-left-page,
.original-book-mode .book-right-page {
  background: transparent;
}

.book-page[hidden] { display: none; }

.page-label {
  margin: 0 0 0.6rem;
  color: var(--red);
  font-family: system-ui, sans-serif;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.book-page h1,
.book-page h2 {
  margin: 0;
  color: #4a2919;
  font-weight: 400;
  line-height: 1.12;
  text-wrap: balance;
}

.book-page h1 {
  max-width: 100%;
  font-size: clamp(1.85rem, 3.15vw, 3.35rem);
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.book-page h2 {
  font-size: clamp(1.45rem, 2.35vw, 2.35rem);
}

.book-page p {
  max-width: 30rem;
  margin: clamp(1.1rem, 2.2vw, 1.75rem) 0 0;
  font-size: clamp(0.94rem, 1.25vw, 1.08rem);
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.chronicle-book .book-page h1 {
  white-space: normal;
}

.chronicle-book .chronicle-page {
  animation: none;
  rotate: 0deg;
  transform: none;
}

.chronicle-page .page-label,
.chronicle-page h1,
.chronicle-page h2,
.chronicle-page p,
.chronicle-page .closing-note {
  rotate: 0deg;
  transform: none;
}

.chronicle-page .page-label {
  margin-bottom: 0.75rem;
}

.chronicle-page h1 {
  letter-spacing: 0;
}

.chronicle-page h2 {
  max-width: 16rem;
  font-size: clamp(1.18rem, 1.7vw, 1.78rem);
}

.chronicle-page p {
  max-width: 21.5rem;
  margin-top: clamp(0.78rem, 1.25vw, 1rem);
  font-size: clamp(0.8rem, 0.92vw, 0.9rem);
  line-height: 1.68;
  overflow-wrap: normal;
}

.chronicle-page--intro p:first-of-type {
  margin-top: 1.35rem;
}

.chronicle-page--closing p {
  color: #662b20;
  font-size: clamp(1rem, 1.2vw, 1.12rem);
  font-weight: 700;
}

.closing-note {
  position: relative;
  margin-top: clamp(0.95rem, 1.55vw, 1.2rem);
  padding: clamp(0.6rem, 1.2vw, 0.9rem) 0 0;
  max-width: 19rem;
  border: 0;
  border-radius: 0.12rem;
  background:
    linear-gradient(rgba(112, 42, 32, 0.24), rgba(112, 42, 32, 0.24)) top left / 100% 1px no-repeat,
    linear-gradient(135deg, rgba(255, 247, 214, 0.18), rgba(134, 82, 39, 0.05));
  box-shadow: none;
  transform: none;
}

.closing-note p {
  margin: 0;
  color: #542b1a;
  font-size: clamp(0.78rem, 0.9vw, 0.88rem);
  font-weight: 500;
  line-height: 1.62;
}

.closing-note p + p {
  margin-top: 0.62rem;
}

.closing-note .return-note {
  margin-top: 0.95rem;
  padding: 0.58rem 0.7rem 0.62rem;
  border-left: 2px solid rgba(112, 42, 32, 0.58);
  color: #4b2517;
  background: rgba(255, 248, 218, 0.22);
  font-size: clamp(0.84rem, 0.98vw, 0.94rem);
  font-weight: 700;
  line-height: 1.55;
}

.closing-note .note-label {
  margin: 0 0 0.65rem;
  color: rgba(112, 42, 32, 0.78);
  font-family: system-ui, sans-serif;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1;
  text-transform: uppercase;
}

.closing-note .note-label + p {
  margin-top: 0;
}

.family-book .family-page,
.family-book .family-page * {
  rotate: 0deg;
  transform: none;
}

.family-book .family-page {
  animation: none;
  justify-content: center;
}

.family-book .family-page--intro,
.family-book .family-page--closing,
.family-book .family-page--end-leaf {
  justify-content: flex-start;
}

.family-book .book-left-page {
  padding-right: clamp(1.4rem, 1.8vw, 2.6rem);
  padding-left: clamp(7.5rem, 12.5vw, 10rem);
}

.original-book-mode .family-book .book-left-page {
  padding-top: clamp(5.2rem, 9vw, 7.6rem);
  padding-right: clamp(1.5rem, 1.8vw, 3rem);
  padding-bottom: clamp(5rem, 8vw, 7rem);
  padding-left: clamp(13.5rem, 21vw, 17rem);
}

.original-book-mode .family-book .book-right-page {
  padding-top: clamp(5.2rem, 9vw, 7.6rem);
  padding-right: clamp(9rem, 12.8vw, 11.5rem);
  padding-bottom: clamp(5rem, 8vw, 7rem);
  padding-left: clamp(4.2rem, 5.8vw, 5.4rem);
}

.family-page h1 {
  margin-bottom: clamp(0.7rem, 1.2vw, 1rem);
  font-size: clamp(1.5rem, 2.2vw, 2.25rem);
  letter-spacing: 0;
  white-space: normal;
}

.family-page h2 {
  max-width: 17rem;
  font-size: clamp(1.25rem, 1.8vw, 1.8rem);
}

.family-memory {
  display: flex;
  flex-direction: column;
  gap: clamp(0.65rem, 1vw, 0.9rem);
  align-items: center;
  width: 100%;
  max-width: 22rem;
  margin: 0 auto;
}

.family-memory img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: none;
  aspect-ratio: 4 / 3;
  padding: clamp(0.28rem, 0.55vw, 0.45rem);
  border: 1px solid rgba(80, 47, 25, 0.34);
  background: rgba(255, 247, 214, 0.46);
  box-shadow: 0 0.45rem 1rem rgba(67, 40, 22, 0.2);
  object-fit: contain;
}

.family-memory figcaption {
  max-width: 19rem;
  color: #542f1c;
  font-size: clamp(0.78rem, 0.9vw, 0.9rem);
  font-style: italic;
  line-height: 1.45;
  text-align: center;
}

.family-page--intro .family-memory {
  margin-top: 0.2rem;
}

.family-page--intro .family-memory img {
  max-height: none;
}

.family-page--end-leaf {
  justify-content: center;
}

.family-page--end-leaf h2 {
  color: rgba(74, 41, 25, 0.82);
}

.family-page--closing .closing-note {
  margin-top: clamp(1rem, 1.5vw, 1.25rem);
}

.travel-book .travel-page,
.travel-book .travel-page * {
  rotate: 0deg;
  transform: none;
}

.travel-book .travel-page {
  animation: none;
  overflow: clip;
}

.travel-page-content {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  min-width: 0;
  min-height: 0;
  max-height: 100%;
  overflow: hidden;
}

.travel-book .book-left-page {
  padding-right: clamp(2.3rem, 3.6vw, 3.8rem);
  padding-left: clamp(6.2rem, 9.5vw, 8.2rem);
}

.original-book-mode .travel-book .book-left-page {
  padding-top: clamp(5.2rem, 8.4vw, 7.2rem);
  padding-right: clamp(3.2rem, 4.8vw, 4.8rem);
  padding-bottom: clamp(6.4rem, 9vw, 8.8rem);
  padding-left: clamp(14rem, 21.5vw, 18.2rem);
}

.original-book-mode .travel-book .book-right-page {
  padding-top: clamp(5.2rem, 8.4vw, 7.2rem);
  padding-right: clamp(9.5rem, 13.6vw, 12.2rem);
  padding-bottom: clamp(6rem, 8.5vw, 8.2rem);
  padding-left: clamp(4.6rem, 6.3vw, 5.9rem);
}

.travel-page h1,
.travel-page h2 {
  letter-spacing: 0;
  white-space: normal;
}

.travel-page h1 {
  font-size: clamp(1.55rem, 2.25vw, 2.35rem);
}

.travel-page h2 {
  max-width: 18rem;
  font-size: clamp(1.22rem, 1.8vw, 1.82rem);
}

.travel-page p {
  max-width: 21rem;
  margin-top: clamp(0.8rem, 1.3vw, 1rem);
  font-size: clamp(0.8rem, 0.94vw, 0.92rem);
  line-height: 1.68;
  overflow-wrap: normal;
}

.travel-page--text .travel-page-content,
.travel-page--chapter .travel-page-content,
.travel-page--closing .travel-page-content {
  justify-content: flex-start;
}

.travel-page--photo .travel-page-content,
.travel-page--end-leaf .travel-page-content {
  justify-content: center;
}

.travel-page--photo .travel-page-content {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  align-items: center;
}

.travel-memory {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: clamp(0.62rem, 1vw, 0.88rem);
  align-items: center;
  width: 100%;
  max-width: 22rem;
  height: 100%;
  min-height: 0;
  margin: 0 auto;
  overflow: hidden;
}

.travel-photo-image {
  display: grid;
  width: 100%;
  min-width: 0;
  min-height: 0;
  place-items: center;
  overflow: hidden;
}

.travel-memory img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 100%;
  aspect-ratio: auto;
  padding: clamp(0.28rem, 0.55vw, 0.45rem);
  border: 1px solid rgba(80, 47, 25, 0.34);
  background: rgba(255, 247, 214, 0.46);
  box-shadow: 0 0.45rem 1rem rgba(67, 40, 22, 0.2);
  object-fit: contain;
}

.travel-memory figcaption {
  max-width: 19rem;
  color: #542f1c;
  font-size: clamp(0.76rem, 0.88vw, 0.88rem);
  font-style: italic;
  line-height: 1.45;
  text-align: center;
}

.travel-photo-label {
  align-self: center;
  margin-bottom: clamp(0.55rem, 0.9vw, 0.75rem);
  text-align: center;
}

@media (min-width: 761px) {
  .original-book-mode .travel-book .travel-page--photo.book-left-page,
  .original-book-mode .travel-book .travel-page--photo.book-right-page {
    padding-bottom: clamp(12.5rem, 18vw, 14rem);
  }
}

.travel-route-list {
  display: grid;
  gap: clamp(0.45rem, 0.8vw, 0.7rem);
  width: min(100%, 19rem);
  margin: clamp(1.1rem, 1.8vw, 1.5rem) 0 0;
  padding: 0;
  color: #54301e;
  font-size: clamp(0.78rem, 0.92vw, 0.9rem);
  line-height: 1.35;
  list-style: none;
}

.travel-route-list li {
  display: grid;
  grid-template-columns: 1.8rem 1fr;
  gap: 0.6rem;
  align-items: center;
}

.travel-route-list span,
.travel-route-mark span {
  display: grid;
  width: 1.65rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(112, 42, 32, 0.42);
  border-radius: 50%;
  color: #702a20;
  font-family: system-ui, sans-serif;
  font-size: 0.66rem;
  font-weight: 800;
}

.travel-route-mark {
  position: relative;
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.7rem;
  align-items: center;
  width: min(100%, 19rem);
  margin-top: clamp(1.4rem, 2.4vw, 2rem);
  padding: 1rem 0;
  color: rgba(84, 48, 30, 0.82);
}

.travel-route-mark::before,
.travel-route-mark::after {
  position: absolute;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(112, 42, 32, 0.28), transparent);
  content: "";
}

.travel-route-mark::before { top: 0; }
.travel-route-mark::after { bottom: 0; }

.travel-route-mark strong {
  font-size: clamp(0.78rem, 0.94vw, 0.9rem);
  font-weight: 400;
}

.travel-page--chapter-end .travel-page-content {
  justify-content: center;
}

.travel-page--map h2 {
  font-size: clamp(1rem, 1.42vw, 1.42rem);
  line-height: 1.05;
}

.travel-page--map .page-label {
  margin-bottom: 0.3rem;
}

.travel-map-figure {
  display: flex;
  flex-direction: column;
  gap: clamp(0.2rem, 0.45vw, 0.35rem);
  align-items: center;
  width: min(100%, 21rem);
  margin: clamp(0.25rem, 0.55vw, 0.45rem) auto 0;
}

.travel-map-open {
  display: block;
  width: auto;
  max-width: 100%;
  height: clamp(18rem, 33vw, 22rem);
  padding: 0;
  border: 0;
  color: inherit;
  background: transparent;
  box-shadow: none;
  cursor: zoom-in;
  transform: rotate(2deg);
  transition: box-shadow 220ms ease, transform 220ms ease;
}

.travel-map-open:hover,
.travel-map-open:focus-visible {
  outline: 2px solid rgba(112, 42, 32, 0.32);
  outline-offset: 3px;
  transform: rotate(1deg) scale(1.03);
}

.travel-map-open img {
  display: block;
  width: auto;
  max-width: 100%;
  height: 100%;
  object-fit: contain;
  filter: sepia(0.18) saturate(0.88) contrast(0.97) drop-shadow(0 0.65rem 0.65rem rgba(50, 29, 14, 0.28));
  opacity: 0.96;
}

.travel-map-figure figcaption {
  color: rgba(84, 47, 28, 0.8);
  font-size: clamp(0.62rem, 0.7vw, 0.7rem);
  font-style: italic;
  line-height: 1.2;
  text-align: center;
}

body.travel-map-overlay-active {
  overflow: hidden;
}

.travel-map-overlay[hidden] {
  display: none;
}

.travel-map-overlay {
  position: fixed;
  z-index: 1200;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 3vw, 2.5rem);
  background: rgba(18, 10, 7, 0.9);
  backdrop-filter: blur(3px);
  opacity: 0;
  transition: opacity 240ms ease;
}

.travel-map-overlay.is-open {
  opacity: 1;
}

.travel-map-overlay__figure {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  align-items: center;
  max-width: 100%;
  max-height: 100%;
  margin: 0;
}

.travel-map-overlay__figure img {
  display: block;
  width: auto;
  max-width: min(92vw, 58rem);
  height: auto;
  max-height: 86vh;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  filter: sepia(0.12) saturate(0.92) drop-shadow(0 1.3rem 1.6rem rgba(0, 0, 0, 0.58));
  object-fit: contain;
}

.travel-map-overlay__figure figcaption {
  color: #e6d2ad;
  font-size: 0.76rem;
  font-style: italic;
}

.travel-map-overlay__close {
  position: fixed;
  z-index: 2;
  top: max(0.75rem, env(safe-area-inset-top));
  right: max(0.75rem, env(safe-area-inset-right));
  display: grid;
  width: 2.75rem;
  aspect-ratio: 1;
  padding: 0;
  border: 1px solid rgba(230, 198, 130, 0.56);
  border-radius: 50%;
  place-items: center;
  color: #f5e8ce;
  background: rgba(66, 34, 21, 0.88);
  font-size: 1.55rem;
  line-height: 1;
  cursor: pointer;
}

.travel-map-overlay__close:hover,
.travel-map-overlay__close:focus-visible {
  border-color: #e6c477;
  background: #653a24;
  outline: 2px solid rgba(230, 196, 119, 0.26);
  outline-offset: 3px;
}

.travel-page--closing .closing-note {
  margin-top: clamp(1rem, 1.5vw, 1.25rem);
}

.future-links {
  display: grid;
  gap: 0.65rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.future-links a {
  display: block;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(83, 50, 25, 0.25);
  color: #662b20;
  font-weight: 700;
}

.page-number {
  position: absolute;
  right: 1.3rem;
  bottom: 1rem;
  color: rgba(62, 38, 20, 0.62);
  font-style: italic;
}

.page-controls {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
}

.page-controls button {
  min-height: 2.8rem;
  padding: 0.65rem 1rem;
  cursor: pointer;
}

.page-controls button:disabled { opacity: 0.42; cursor: default; }
.page-status { color: #cbb899; font-family: system-ui, sans-serif; font-size: 0.72rem; }
.book-footer { padding: 1.5rem 0 2.5rem; color: #aa9274; font-family: system-ui, sans-serif; font-size: 0.72rem; text-align: center; }

@keyframes page-arrives {
  from { opacity: 0.72; transform: translateX(0.5rem); }
  to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 768px) {
  .book-header { display: grid; }
  .library-nav { justify-content: flex-start; }
  .open-book { display: block; min-height: 31rem; border-width: 0.55rem; }
  .open-book::before { display: none; }
  .book-page { width: 100%; min-height: 31rem; padding: 2.1rem 1.35rem 3.2rem; overflow: hidden; }

  .book-page h1 {
    font-size: clamp(1.4rem, 6.6vw, 2.2rem);
    letter-spacing: -0.04em;
    white-space: nowrap;
  }

  .original-book-mode .open-book {
    aspect-ratio: auto;
    min-height: 31rem;
    background: transparent;
    box-shadow: none;
  }

  .original-book-mode .book-page,
  .original-book-mode .book-page:nth-child(odd),
  .original-book-mode .book-page:nth-child(even) {
    min-height: 31rem;
    padding: 4.8rem 3.2rem 4rem;
    background-color: #e7d3a5;
    background-image: url("../images/altes-buch-generiert-v7.jpg");
    background-repeat: no-repeat;
    background-size: 160% 100%;
    box-shadow: 0 1rem 2.2rem rgba(0, 0, 0, 0.42);
  }

  .original-book-mode .book-page:nth-child(odd) {
    background-position: left center;
  }

  .original-book-mode .book-page:nth-child(even) {
    background-position: right center;
  }

  .original-book-mode .family-book .family-page,
  .original-book-mode .family-book .book-left-page,
  .original-book-mode .family-book .book-right-page {
    padding: 4.2rem 3rem 3.8rem;
  }

  .original-book-mode .travel-book .travel-page,
  .original-book-mode .travel-book .book-left-page,
  .original-book-mode .travel-book .book-right-page {
    padding: 4.2rem 3rem 3.8rem;
  }

  .travel-map-open {
    height: clamp(17rem, 64vw, 20rem);
  }

  .original-book-mode .travel-book .travel-page--photo.book-left-page,
  .original-book-mode .travel-book .travel-page--photo.book-right-page {
    padding-bottom: 7rem;
  }

  .travel-page--photo .travel-memory {
    width: calc(100% - 1.5rem);
    max-width: 17rem;
  }

  .travel-page--photo.book-left-page .travel-memory {
    margin-right: auto;
    margin-left: 0.75rem;
  }

  .travel-page--photo.book-right-page .travel-memory {
    margin-right: 0.75rem;
    margin-left: auto;
  }

}

@media (max-width: 330px) {
  .book-page h1 {
    font-size: 1.35rem;
    white-space: normal;
  }
}

@media (max-width: 480px) {
  .book-header,
  .book-shell,
  .book-footer { width: min(100% - 0.75rem, 1180px); }
  .library-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .library-nav a { overflow-wrap: anywhere; text-align: center; }
  .page-controls { display: grid; grid-template-columns: 1fr 1fr; }
  .page-status { grid-column: 1 / -1; grid-row: 1; text-align: center; }

  .original-book-mode .book-page,
  .original-book-mode .book-page:nth-child(odd) {
    padding: 4rem 1.25rem 3.6rem 8.5rem;
  }

  .original-book-mode .book-page:nth-child(even) {
    padding: 4rem 6rem 3.6rem 1.5rem;
  }

  .book-page h1 {
    font-size: clamp(1.45rem, 7vw, 2rem);
    line-height: 1.08;
    white-space: normal;
  }

  .original-book-mode .family-book .family-page,
  .original-book-mode .family-book .book-left-page,
  .original-book-mode .family-book .book-right-page {
    padding: 3.6rem 1.4rem 3.4rem;
  }

  .original-book-mode .travel-book .travel-page,
  .original-book-mode .travel-book .book-left-page,
  .original-book-mode .travel-book .book-right-page {
    padding: 3.6rem 1.4rem 3.4rem;
  }

}

/* Mobile books show one enlarged leaf of the original book at a time. */
@media (max-width: 768px) {
  .original-book-mode .open-book {
    min-height: 34rem;
  }

  .original-book-mode .book-page,
  .original-book-mode .book-page:nth-child(odd),
  .original-book-mode .book-page:nth-child(even),
  .original-book-mode .family-book .family-page,
  .original-book-mode .family-book .book-left-page,
  .original-book-mode .family-book .book-right-page,
  .original-book-mode .travel-book .travel-page,
  .original-book-mode .travel-book .book-left-page,
  .original-book-mode .travel-book .book-right-page {
    min-height: 34rem;
    padding-top: 3.8rem;
    padding-bottom: 7rem;
    overflow: hidden;
    background-size: 220% 100%;
  }

  .original-book-mode .book-page:nth-child(odd),
  .original-book-mode .family-book .book-left-page,
  .original-book-mode .travel-book .book-left-page {
    padding-right: 14%;
    padding-left: 26%;
  }

  .original-book-mode .book-page:nth-child(even),
  .original-book-mode .family-book .book-right-page,
  .original-book-mode .travel-book .book-right-page {
    padding-right: 8%;
    padding-left: 40%;
  }

  .original-book-mode .book-page:nth-child(odd) {
    background-position: 20% center;
  }

  .original-book-mode .chronicle-book .book-left-page > :not(.page-number),
  .original-book-mode .travel-book .book-left-page:not(.travel-page--photo):not(.travel-page--map) > .travel-page-content {
    transform: translateX(6%);
  }

  .original-book-mode .chronicle-book .book-right-page > :not(.page-number),
  .original-book-mode .travel-book .book-right-page:not(.travel-page--photo):not(.travel-page--map) > .travel-page-content,
  .original-book-mode .family-book .family-page--closing.book-right-page > :not(.page-number) {
    transform: translateX(-8%);
  }

  .original-book-mode .family-book .book-left-page > :not(.page-number),
  .original-book-mode .travel-book .travel-page--photo.book-left-page > .travel-page-content {
    transform: translateX(10%);
  }

  .original-book-mode .family-book .book-right-page:not(.family-page--closing) > :not(.page-number),
  .original-book-mode .travel-book .travel-page--photo.book-right-page > .travel-page-content {
    transform: translateX(-4%);
  }

  .original-book-mode .book-page:nth-child(even) {
    background-position: 80% center;
  }

  .book-page h1,
  .book-page h2,
  .book-page p,
  .closing-note,
  .family-memory,
  .travel-memory {
    max-width: 100%;
  }

  .family-page,
  .travel-page,
  .family-memory,
  .travel-memory,
  .travel-photo-image {
    overflow: hidden;
  }

  .family-page--intro,
  .family-page:not(.family-page--closing),
  .travel-page--photo {
    justify-content: center;
  }

  .family-memory,
  .travel-page--photo .travel-memory {
    width: 100%;
    max-width: 16.5rem;
    height: auto;
    margin: 0 auto;
  }

  .family-memory img,
  .travel-memory img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 14.5rem;
    aspect-ratio: auto;
    object-fit: contain;
  }

  .original-book-mode .family-book .family-page .family-memory img {
    max-height: 14.5rem;
  }

  .original-book-mode .family-book .family-page--intro .family-memory img {
    max-height: 11.5rem;
  }

  .family-memory figcaption,
  .travel-memory figcaption {
    width: 100%;
    max-width: 100%;
    font-size: 0.72rem;
    line-height: 1.35;
    overflow-wrap: break-word;
  }

  .travel-page--photo .travel-page-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .travel-page--photo .travel-memory {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    overflow: hidden;
  }

  .travel-page--photo .travel-photo-image {
    display: grid;
    width: 100%;
    height: auto;
    place-items: center;
  }

  .travel-page--photo .travel-photo-label,
  .travel-page--photo.book-left-page .travel-memory,
  .travel-page--photo.book-right-page .travel-memory {
    width: 100%;
    max-width: 16.5rem;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
  }

  .travel-page h1,
  .travel-page h2,
  .travel-page p {
    width: 100%;
    overflow-wrap: break-word;
  }

  .travel-map-open {
    max-width: 100%;
    height: min(17rem, 64vw);
  }
}

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