/* Shared plate Prev / Next + Chapters (Story / Residences)
   Locked 06/Aug/26 (Paul): NEXT advances plates. Desktop mid-right.
   Restored 07/Aug/26 (Paul): desktop Prev/Next after wipe.
   Restored 07/Aug/26 (Paul): Chapters rail back on Residences (Explore twin).
   Restored 07/Aug/26 (Paul): A Note desktop Prev/Next (no Chapters).
   Locked 07/Aug/26 (Paul): Note chapter-slot keeps Next Y with Story/Residences.
   Phone: Prev/Next retired - scroll only (keep bar hidden @767).
   Note: no Chapters. Chrome colour = white.
   Fail-if invent a third chrome dropdown. */

.page-next-bar {
  --page-next-size: calc(0.78rem - 1px);
  --page-next-weight: 400;
  --page-next-track: var(--tracking-label, 0.1em);
  position: fixed;
  right: var(--gutter, 2.5rem);
  top: 50%;
  transform: translateY(-50%);
  z-index: 46;
  display: block;
  width: max-content;
  margin: 0;
  padding: 0;
  pointer-events: none;
  color: #fff;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.page-next-bar__stack {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  row-gap: 0.85rem;
  width: max-content;
  pointer-events: none;
}

/* Books without Chapters (A Note): reserve Chapters stack height
   so Prev|Next sit on the same mid-right Y as Story / Residences. */
.page-next-bar__chapter-slot {
  height: 1.125rem; /* ~Chapters word line (measured 18px @1440) */
  margin: 0;
  padding: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-next-bar__advance {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.85rem;
  pointer-events: none;
}

.page-next-bar__btn {
  margin: 0;
  padding: 0.35rem 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  font-size: var(--page-next-size);
  font-weight: var(--page-next-weight);
  letter-spacing: var(--page-next-track);
  text-transform: uppercase;
  line-height: 1.2;
  cursor: pointer;
  pointer-events: auto;
  opacity: 0.8;
  transition: opacity 0.2s ease;
}
.page-next-bar__btn:hover,
.page-next-bar__btn:focus-visible {
  opacity: 1;
}
.page-next-bar__btn:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: 3px;
}
.page-next-bar__btn[hidden] {
  display: none !important;
}
.page-next-bar:has(#page-prev:not([hidden])):has(#page-next:not([hidden])) #page-next {
  border-left: 1px solid rgba(255, 255, 255, 0.45);
  padding-left: 0.85rem;
}

/* Chapters = Explore nav, stretched to Prev|Next width */
.page-next-bar [data-chapter-nav] {
  display: inline-flex;
  width: 100%;
  justify-content: space-between;
  pointer-events: auto;
  color: inherit;
}

/* Extra chapter rows beyond Explore's 6 */
.page-next-bar .explore-nav.is-open .explore-nav__item:nth-child(7) { transition-delay: 0.32s; }
.page-next-bar .explore-nav.is-open .explore-nav__item:nth-child(8) { transition-delay: 0.36s; }
.page-next-bar .explore-nav.is-open .explore-nav__item:nth-child(9) { transition-delay: 0.4s; }

.page-next-bar .explore-nav.is-open .explore-nav__item.is-active {
  opacity: 1;
}

.page-next-bar[hidden],
body.is-plan-drawer-open .page-next-bar,
body.is-map-drawer-open .page-next-bar,
body.is-contact-drawer-open .page-next-bar,
body.is-design-drawer-open .page-next-bar,
body.is-progress-drawer-open .page-next-bar,
body.is-media-drawer-open .page-next-bar {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.note-cue,
#s01-story .story__cue:not(.story__cue--line),
#s12 .note-cue {
  display: none !important;
}

@media (max-width: 900px) {
  .page-next-bar [data-chapter-nav] {
    display: none !important;
  }
}

/* Phone: Prev/Next retired - scroll only (07/Aug/26). */
@media (max-width: 767px) {
  .page-next-bar {
    display: none !important;
  }
}