/* Facsimile reader: original page and transcription side by side. */

.aef-faksimile {
  --aef-faksimile-pult: var(--aef-tintenholz);
  --aef-faksimile-blatt: var(--aef-kalkputz-hell);
  --aef-faksimile-schatten: 0 0.2rem 0.4rem rgba(0, 0, 0, 0.35), 0 1.4rem 2.6rem rgba(0, 0, 0, 0.45);

  /* The reader is wider than the prose column it sits in. */
  width: min(var(--aef-content), calc(100vw - 2rem));
  max-width: none;
  margin: 1.75rem 0 0.5rem;
  scroll-margin-top: 1rem;
}

/* The site header stays fixed on wide screens. */
@media (min-width: 81.3125rem) {
  .aef-faksimile {
    scroll-margin-top: 9rem;
  }
}

/* ---------- Without JavaScript: every page pair one below the other ---------- */

.aef-faksimile__book-title {
  margin: 2rem 0 0.75rem !important;
  font-size: 1.35rem !important;
}

.aef-faksimile__pages {
  margin: 0 !important;
  padding: 0 !important;
  list-style: none;
}

.aef-faksimile__page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    "original transcript"
    "copy transcript";
  grid-template-rows: auto 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  align-items: start;
  margin: 0 0 1.5rem !important;
  padding: clamp(1rem, 3vw, 2.25rem) !important;
  background: var(--aef-faksimile-pult);
}

.aef-faksimile__original,
.aef-faksimile__copy {
  position: relative;
  grid-area: original;
  margin: 0;
}

.aef-faksimile__original a,
.aef-faksimile__copy-images a {
  display: block;
  cursor: zoom-in;
}

.aef-faksimile__original img,
.aef-faksimile__copy-images img {
  display: block;
  width: 100%;
  height: auto;
  box-shadow: var(--aef-faksimile-schatten);
}

/* The later copy (Copia). Without JavaScript only its page links are listed. */
.aef-faksimile__copy {
  grid-area: copy;
  color: rgba(251, 250, 246, 0.82);
  font-size: 0.9rem;
}

.aef-faksimile:not(.is-enhanced) .aef-faksimile__copy-images {
  display: none;
}

.aef-faksimile__copy figcaption {
  margin-top: 0.6rem;
  text-align: center;
}

.aef-faksimile__copy figcaption a {
  color: inherit;
  text-underline-offset: 0.2em;
}

.aef-faksimile__copy figcaption a[aria-current="true"] {
  color: var(--aef-kalkputz-hell);
  font-weight: 700;
  text-decoration: none;
}

#main-content .aef-faksimile__copy-missing {
  display: grid;
  min-height: 12rem;
  margin: 0;
  padding: 2rem;
  place-items: center;
  border: 1px dashed rgba(251, 250, 246, 0.35);
  color: rgba(251, 250, 246, 0.82);
  font-size: 0.95rem;
  text-align: center;
}

.aef-faksimile.is-enhanced .aef-faksimile__copy-missing {
  aspect-ratio: 3 / 4;
}

.aef-faksimile__transcript {
  grid-area: transcript;
  position: relative;
  min-height: 100%;
  padding: clamp(1.25rem, 3vw, 2.5rem) clamp(1.25rem, 3vw, 2.75rem) clamp(1.25rem, 3vw, 2.5rem) clamp(2.5rem, 5vw, 4.25rem);
  background: var(--aef-faksimile-blatt);
  box-shadow: var(--aef-faksimile-schatten);
}

/* Marginal page number, as a reader would pencil it into the margin. */
#main-content .aef-faksimile__folio {
  position: absolute;
  top: clamp(1.35rem, 3vw, 2.6rem);
  left: clamp(0.6rem, 1.4vw, 1.1rem);
  width: clamp(1.6rem, 3.2vw, 2.7rem);
  margin: 0 !important;
  color: var(--aef-ziegelrot);
  font-family: var(--aef-serif);
  font-size: 0.95rem !important;
  line-height: 1.75 !important;
  text-align: right;
}

.aef-faksimile__folio span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

#main-content .aef-faksimile__lines {
  margin: 0 !important;
  padding: 0 !important;
  font-family: var(--aef-serif);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem) !important;
  line-height: 1.75 !important;
  color: var(--aef-tintenholz);
}

.aef-faksimile__line {
  display: block;
  margin-inline: -0.35rem;
  /* Hanging indent: a wrapped line stays recognisable as one line of the original. */
  padding-inline: calc(0.35rem + 1.25em) 0.35rem;
  border-radius: 0.15rem;
  text-indent: -1.25em;
}

.aef-faksimile__line:hover {
  background: rgba(199, 177, 138, 0.28);
}

.aef-faksimile__line mark {
  padding: 0 0.1em;
  background: var(--aef-entenfussgelb);
  color: inherit;
}

/* ---------- Reader (JavaScript active) ---------- */

.aef-faksimile.is-enhanced {
  display: grid;
  grid-template-areas:
    "bar"
    "view"
    "stage"
    "controls"
    "strip";
}

.aef-faksimile.is-enhanced .aef-faksimile__bar { grid-area: bar; }
.aef-faksimile.is-enhanced .aef-faksimile__book { grid-area: stage; }
.aef-faksimile.is-enhanced .aef-faksimile__controls { grid-area: controls; }
.aef-faksimile.is-enhanced .aef-faksimile__strip { grid-area: strip; }
.aef-faksimile.is-enhanced .aef-faksimile__view { grid-area: view; }

.aef-faksimile.is-enhanced .aef-faksimile__book-title {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.aef-faksimile.is-enhanced .aef-faksimile__page {
  display: none;
  margin: 0 !important;
}

.aef-faksimile.is-enhanced .aef-faksimile__page.is-current {
  display: grid;
  grid-template-areas: "original transcript";
  grid-template-rows: auto;
}

/* Left sheet: the original page or, on request, the matching page of the copy. */
.aef-faksimile.is-enhanced .aef-faksimile__copy {
  display: none;
  grid-area: original;
}

.aef-faksimile.is-enhanced.shows-copy .aef-faksimile__copy {
  display: block;
}

.aef-faksimile.is-enhanced.shows-copy .aef-faksimile__original {
  display: none;
}

.aef-faksimile.is-turning .aef-faksimile__page.is-current {
  animation: aef-faksimile-blaettern 260ms ease-out;
}

@keyframes aef-faksimile-blaettern {
  from {
    opacity: 0.35;
  }

  to {
    opacity: 1;
  }
}

/* Book choice and search */

.aef-faksimile__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 2rem;
  margin-bottom: 1rem;
}

.aef-faksimile__books {
  display: flex;
  gap: 0.25rem;
}

.aef-faksimile__books button {
  display: grid;
  gap: 0.1rem;
  padding: 0.5rem 1.1rem 0.6rem;
  border: 0;
  border-bottom: 3px solid transparent;
  background: none;
  color: var(--aef-salbeigrau-text);
  font-family: var(--aef-sans);
  text-align: left;
  cursor: pointer;
}

.aef-faksimile__books button[aria-selected="true"] {
  border-bottom-color: var(--aef-ziegelrot);
  color: var(--aef-tintenholz);
}

.aef-faksimile__books button:hover {
  color: var(--aef-tintenholz);
}

.aef-faksimile__year {
  font-family: var(--aef-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.1;
}

.aef-faksimile__count {
  font-size: 0.85rem;
}

.aef-faksimile__search {
  position: relative;
  flex: 0 1 22rem;
}

.aef-faksimile__search label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
  font-weight: 700;
}

.aef-faksimile__search input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--aef-salbeigrau);
  border-radius: 0.2rem;
  background: var(--aef-kalkputz-hell);
  color: var(--aef-tintenholz);
  font: inherit;
}

.aef-faksimile__results {
  position: absolute;
  z-index: 20;
  top: calc(100% + 0.35rem);
  right: 0;
  width: min(32rem, calc(100vw - 2rem));
  max-height: 24rem;
  overflow: auto;
  padding: 0.75rem;
  border: 1px solid var(--aef-linie);
  background: var(--aef-kalkputz-hell);
  box-shadow: var(--aef-schatten);
}

#main-content .aef-faksimile__results-status {
  margin: 0 0 0.5rem !important;
  color: var(--aef-salbeigrau-text);
  font-size: 0.85rem !important;
}

.aef-faksimile__results ol {
  margin: 0 !important;
  padding: 0 !important;
  list-style: none;
}

.aef-faksimile__results li {
  padding: 0 !important;
}

.aef-faksimile__results button {
  display: block;
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 0;
  border-top: 1px solid var(--aef-linie);
  background: none;
  color: var(--aef-tintenholz);
  font: inherit;
  font-size: 0.92rem;
  text-align: left;
  cursor: pointer;
}

.aef-faksimile__results button:hover {
  background: var(--aef-kalkputz);
}

.aef-faksimile__results strong {
  display: block;
  color: var(--aef-ziegelrot-dunkel);
  font-size: 0.82rem;
}

.aef-faksimile__results mark {
  background: var(--aef-entenfussgelb);
  color: inherit;
}

/* Page stepping */

.aef-faksimile__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.85rem 0 0.4rem;
}

#main-content .aef-faksimile__position {
  min-width: 11rem;
  margin: 0 !important;
  font-family: var(--aef-serif);
  font-size: 1.05rem !important;
  text-align: center;
}

.aef-faksimile__step {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid var(--aef-tintenholz);
  border-radius: 50%;
  background: var(--aef-kalkputz-hell);
  color: var(--aef-tintenholz);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
}

.aef-faksimile__step:hover:not(:disabled) {
  background: var(--aef-tintenholz);
  color: var(--aef-kalkputz-hell);
}

.aef-faksimile__step:disabled {
  opacity: 0.35;
  cursor: default;
}

/* Page strip: every page as a small sheet, the current one lifted */

.aef-faksimile__strip {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  padding: 0.75rem 0.25rem 0.9rem;
  scrollbar-width: thin;
}

.aef-faksimile__strip button {
  flex: 0 0 auto;
  display: grid;
  gap: 0.2rem;
  justify-items: center;
  padding: 0.25rem;
  border: 0;
  border-bottom: 3px solid transparent;
  background: none;
  color: var(--aef-salbeigrau-text);
  font-family: var(--aef-sans);
  font-size: 0.72rem;
  cursor: pointer;
}

.aef-faksimile__strip img {
  display: block;
  width: 3.4rem;
  height: auto;
  box-shadow: 0 0.1rem 0.35rem rgba(32, 36, 33, 0.35);
  opacity: 0.72;
  transition: opacity 150ms ease, transform 150ms ease;
}

.aef-faksimile__strip button:hover img {
  opacity: 1;
}

.aef-faksimile__strip button[aria-current="page"] {
  border-bottom-color: var(--aef-ziegelrot);
  color: var(--aef-tintenholz);
  font-weight: 700;
}

.aef-faksimile__strip button[aria-current="page"] img {
  opacity: 1;
  transform: translateY(-0.2rem);
}

/* Magnifier over the original page */

.aef-faksimile__lens {
  position: absolute;
  z-index: 5;
  width: 13rem;
  height: 13rem;
  border: 3px solid var(--aef-kalkputz-hell);
  border-radius: 50%;
  background-color: var(--aef-kalkputz-hell);
  background-repeat: no-repeat;
  box-shadow: 0 0.6rem 1.6rem rgba(0, 0, 0, 0.5);
  pointer-events: none;
  transform: translate(-50%, -50%);
}

#main-content .aef-faksimile__hint {
  margin: 0.6rem 0 0 !important;
  color: rgba(251, 250, 246, 0.72);
  font-size: 0.8rem !important;
  text-align: center;
}

/* Full-screen reading mode */

.aef-faksimile__dialog {
  width: 100vw;
  max-width: 100vw;
  height: 100vh;
  max-height: 100vh;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--aef-faksimile-pult);
  color: var(--aef-kalkputz-hell);
}

.aef-faksimile__dialog::backdrop {
  background: rgba(0, 0, 0, 0.8);
}

.aef-faksimile__dialog[open] {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.aef-faksimile__dialog-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
}

#main-content .aef-faksimile__dialog-bar p {
  margin: 0 !important;
  font-family: var(--aef-serif);
}

.aef-faksimile__dialog-actions {
  display: flex;
  gap: 0.5rem;
}

.aef-faksimile__dialog-actions button {
  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid rgba(251, 250, 246, 0.6);
  border-radius: 0.2rem;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 1.05rem;
  cursor: pointer;
}

.aef-faksimile__dialog-actions button:hover {
  background: rgba(251, 250, 246, 0.14);
}

.aef-faksimile__dialog-stage {
  position: relative;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
}

.aef-faksimile__dialog-stage.is-dragging {
  cursor: grabbing;
}

.aef-faksimile__dialog-stage img {
  position: absolute;
  top: 50%;
  left: 50%;
  max-width: none;
  height: auto;
  box-shadow: var(--aef-faksimile-schatten);
  transform-origin: 0 0;
  user-select: none;
}

/* Focus */

.aef-faksimile button:focus-visible,
.aef-faksimile a:focus-visible,
.aef-faksimile input:focus-visible {
  outline: 3px solid var(--aef-entenfussgelb);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--aef-tintenholz);
}

/* Which sheet is shown: original, copy and, on narrow screens, the transcription */

.aef-faksimile__view {
  display: flex;
  justify-content: flex-start;
  gap: 0;
  margin-bottom: 0.75rem;
}

.aef-faksimile__view button {
  flex: 1 1 0;
  max-width: 11rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--aef-tintenholz);
  background: var(--aef-kalkputz-hell);
  color: var(--aef-tintenholz);
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
}

.aef-faksimile__view button + button {
  border-left: 0;
}

.aef-faksimile__view button[aria-pressed="true"] {
  background: var(--aef-tintenholz);
  color: var(--aef-kalkputz-hell);
}

@media (max-width: 767px) {
  .aef-faksimile {
    width: 100%;
  }

  .aef-faksimile__page {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "original"
      "copy"
      "transcript";
    grid-template-rows: auto;
  }

  .aef-faksimile.is-enhanced .aef-faksimile__page.is-current {
    grid-template-areas:
      "original"
      "transcript";
  }

  .aef-faksimile__view {
    justify-content: center;
  }

  .aef-faksimile.is-enhanced.shows-original .aef-faksimile__transcript,
  .aef-faksimile.is-enhanced.shows-copy .aef-faksimile__transcript,
  .aef-faksimile.is-enhanced.shows-transcript .aef-faksimile__original {
    display: none;
  }

  .aef-faksimile__books button {
    padding-inline: 0.6rem;
  }

  .aef-faksimile__search {
    flex-basis: 100%;
  }

  .aef-faksimile__lens,
  .aef-faksimile__hint {
    display: none;
  }
}

/* Wide screens always show the transcription next to the sheet. */
@media (min-width: 768px) {
  .aef-faksimile__view [data-faksimile-show="transcript"] {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .aef-faksimile.is-turning .aef-faksimile__page.is-current {
    animation: none;
  }

  .aef-faksimile__strip img {
    transition: none;
  }
}