/* V0.17 card-pocket album. Loaded after the established A8/A16 composition. */
.album-panel .collection-shell {
  grid-template-rows: 84px 40px 32px minmax(360px, 1fr) 52px;
  gap: 4px;
  height: min(760px, calc(100dvh - 18px));
  padding: 10px 28px 12px;
}

.collection-hero {
  width: min(320px, 42vw);
  min-height: 84px;
  margin: 0;
  padding: 15px 56px 22px;
}
.collection-eyebrow { font-size: 9px; letter-spacing: .12em; }
.album-panel .collection-hero h2 { font-size: clamp(23px, 2.5vw, 34px); }
.collection-summary {
  bottom: -5px;
  width: 150px;
  min-height: 36px;
  padding: 8px 31px 8px 17px;
  font-size: 10px;
}
.collection-summary .art-number { height: 14px; }

.collection-status-tabs { gap: 7px; margin-bottom: -7px; }
.collection-status-tabs button {
  width: min(148px, 20vw);
  min-height: 36px;
  padding: 3px 17px 7px;
  font-size: clamp(15px, 1.4vw, 19px);
}
.collection-status-tabs button[aria-selected="true"] { min-height: 40px; }
.collection-series-tabs {
  width: min(880px, 94%);
  gap: 6px;
  margin-bottom: -3px;
  padding-bottom: 0;
}
.collection-series-tabs button { min-height: 27px; padding: 3px 11px; font-size: 11px; }

.collection-book {
  width: min(900px, 100%);
  min-height: 360px;
  height: 100%;
  padding: 0;
  perspective: 1200px;
}
.collection-book-toolbar {
  top: 22px;
  left: 9%;
  right: 9%;
  z-index: 5;
  font-size: 11px;
}
.collection-book-toolbar > div { gap: 10px; }

.album-page-stage {
  position: absolute;
  inset: 46px 5.5% 48px;
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr) 50px;
  align-items: center;
  gap: 5px;
}
.collection-page-window {
  position: relative;
  height: 100%;
  overflow: hidden;
  perspective: 1100px;
}
.collection-page-window::after {
  content: "";
  position: absolute;
  inset: 2% 0 2% 50%;
  z-index: 8;
  display: none;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(104, 65, 29, .2), rgba(255, 240, 196, .78) 12%, rgba(250, 220, 158, .5));
  box-shadow: -8px 0 18px rgba(70, 34, 13, .2);
  transform-origin: left center;
}
.collection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 210px));
  justify-content: center;
  align-items: center;
  align-content: center;
  gap: clamp(58px, 9vw, 116px);
  height: 100%;
  padding: 4px 18px;
  overflow: visible;
  transform-style: preserve-3d;
}
.collection-item {
  position: relative;
  width: 100%;
  max-width: 210px;
  gap: 7px;
  overflow: visible;
  opacity: 1;
}
.collection-item:disabled { cursor: default; opacity: 1; }
.collection-item .card-frame {
  aspect-ratio: 2 / 3;
  padding: 5.5%;
  overflow: hidden;
  border-radius: 13px;
  background-size: 100% 100%;
  filter: drop-shadow(0 7px 6px rgba(59, 29, 11, .26));
}
.collection-item .card-frame .card-art { border-radius: 7px; }
.collection-item .card-frame::after {
  content: "";
  position: absolute;
  inset: 4.5%;
  z-index: 4;
  display: block !important;
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: 9px;
  pointer-events: none;
  background:
    linear-gradient(116deg, rgba(255,255,255,.42) 0 7%, transparent 18% 54%, rgba(255,255,255,.18) 62%, transparent 75%),
    linear-gradient(180deg, rgba(255,255,255,.18), transparent 18% 78%, rgba(255,255,255,.22));
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.13), inset 0 0 16px rgba(255,255,255,.12);
}
.collection-item.is-locked .card-frame::after { content: "" !important; }
.collection-item::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 4px;
  z-index: 6;
  height: 5px;
  border-radius: 50%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.75), transparent);
  opacity: .75;
  pointer-events: none;
}
.collection-pocket-number {
  position: absolute;
  left: 9%;
  top: 6.5%;
  z-index: 7;
  min-width: 34px;
  padding: 2px 6px;
  border-radius: 5px;
  color: #fff6d9;
  background: rgba(44, 91, 46, .92);
  box-shadow: 0 1px 3px rgba(42, 20, 7, .32);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .04em;
}
.collection-item:not(.is-locked) .collection-pocket-number { display: none; }
.collection-card-caption { min-height: 22px; padding: 0 10px; }
.collection-card-caption strong { font-size: 15px; }
.collection-card-caption span { font-size: 11px; }
.collection-card-locked { justify-content: center; color: #806b53; }

.collection-item.is-locked .card-frame {
  background-image: url("./assets/art/a8/formal_ui/album_rank/card_slot_unlocked_gold.png");
  filter: grayscale(1) drop-shadow(0 5px 5px rgba(55, 35, 20, .18));
}
.collection-item.is-locked:not(.rarity-hidden) .card-frame::before {
  content: "";
  position: absolute;
  left: 5.5%;
  right: 5.5%;
  bottom: 5.5%;
  z-index: 3;
  height: 12%;
  border-radius: 0 0 7px 7px;
  background: linear-gradient(#aaa69c, #77746e);
  box-shadow: inset 0 1px rgba(255,255,255,.28);
}
.collection-item.is-locked .card-art { visibility: visible; }
.collection-item.is-locked.rarity-normal .locked-card-art {
  filter: grayscale(1) contrast(.7) brightness(.78);
  opacity: .72;
}
.collection-item.is-locked.rarity-rare .locked-card-art {
  filter: grayscale(1) brightness(.16) contrast(2.3);
  opacity: .84;
}
.collection-item.is-locked.rarity-hidden .locked-card-art {
  filter: grayscale(1) contrast(.75) brightness(.72);
  opacity: .68;
}
.collection-item.is-locked .collection-pocket-number { color: #efe6d2; background: rgba(82, 78, 70, .9); }

.collection-page-nav {
  width: 50px;
  height: 48px;
  padding: 0;
  border: 1px solid #8b4c21;
  border-radius: 10px;
  color: #693416;
  background: linear-gradient(145deg, #f5dfaa, #bd7a32);
  box-shadow: inset 0 1px rgba(255,255,255,.62), inset 0 -3px rgba(103,49,18,.18);
  filter: drop-shadow(0 3px 3px rgba(55, 25, 8, .35));
}
.collection-page-nav span { position: absolute; width: 1px; height: 1px; overflow: hidden; }
.collection-page-nav::before { display: block; font-family: Georgia, serif; font-size: 37px; font-weight: 900; line-height: 40px; text-shadow: 0 1px #ffe9b2; }
.collection-prev::before { content: "‹"; }
.collection-next::before { content: "›"; }
.collection-page-nav:disabled { opacity: .34; filter: grayscale(.8); }
.collection-page-nav:not(:disabled):hover { transform: translateY(-2px) scale(1.04); }
.collection-page-nav:not(:disabled):active { transform: translateY(1px) scale(.98); }
.collection-page-nav:focus-visible { outline: 3px solid #ffe39a; outline-offset: 2px; border-radius: 9px; }

.collection-page-indicator {
  position: absolute;
  left: 50%;
  bottom: 11px;
  z-index: 6;
  display: grid;
  place-items: center;
  width: 92px;
  height: 30px;
  color: #63361d;
  border: 1px solid rgba(111, 61, 27, .48);
  border-radius: 99px;
  background: linear-gradient(#f8e9bd, #e6c27f);
  box-shadow: inset 0 1px rgba(255,255,255,.7), 0 2px 4px rgba(63,30,10,.2);
  font-size: 13px;
  font-weight: 900;
  transform: translateX(-50%);
}

.collection-book.is-turning-next .collection-grid { animation: album-page-next 320ms ease-out; }
.collection-book.is-turning-prev .collection-grid { animation: album-page-prev 320ms ease-out; }
.collection-book.is-turning-next .collection-page-window::after { display: block; animation: album-leaf-next 320ms ease-in-out; }
.collection-book.is-turning-prev .collection-page-window::after { display: block; inset-inline: 0 50%; transform-origin: right center; animation: album-leaf-prev 320ms ease-in-out; }
@keyframes album-page-next {
  from { opacity: .35; transform: translateX(18px) rotateY(-8deg); }
  to { opacity: 1; transform: none; }
}
@keyframes album-page-prev {
  from { opacity: .35; transform: translateX(-18px) rotateY(8deg); }
  to { opacity: 1; transform: none; }
}
@keyframes album-leaf-next {
  0% { opacity: .75; transform: rotateY(0deg); }
  100% { opacity: 0; transform: rotateY(-82deg); }
}
@keyframes album-leaf-prev {
  0% { opacity: .75; transform: rotateY(0deg); }
  100% { opacity: 0; transform: rotateY(82deg); }
}

@media (max-width: 760px) {
  .album-panel .collection-shell {
    grid-template-rows: 68px 36px 30px minmax(390px, 1fr) 48px;
    padding: 7px 8px 9px;
  }
  .collection-hero { width: 230px; min-height: 68px; padding: 11px 40px 18px; }
  .collection-eyebrow { font-size: 7px; }
  .album-panel .collection-hero h2 { font-size: 21px; }
  .collection-summary { width: 118px; min-height: 29px; padding: 6px 25px 5px 13px; font-size: 8px; }
  .collection-summary .art-number { height: 11px; }
  .collection-status-tabs { gap: 2px; margin-bottom: -6px; }
  .collection-status-tabs button { width: 31%; min-height: 34px; padding: 3px 7px 6px; font-size: 14px; }
  .collection-status-tabs button[aria-selected="true"] { min-height: 36px; }
  .collection-series-tabs { width: 98%; padding-inline: 2px; }
  .collection-series-tabs button { min-height: 26px; padding: 3px 9px; font-size: 10px; }
  .collection-book { min-height: 390px; background-size: auto 100%; }
  .collection-book-toolbar { top: 19px; left: 8%; right: 8%; font-size: 9px; }
  .collection-book-toolbar > div { gap: 5px; }
  .album-page-stage { inset: 39px 2% 44px; grid-template-columns: 34px minmax(0, 1fr) 34px; gap: 1px; }
  .collection-page-nav { width: 34px; height: 40px; }
  .collection-grid {
    grid-template-columns: 62% 62%;
    justify-content: start;
    gap: 6%;
    padding: 5px 0 5px 8%;
  }
  .collection-item { max-width: none; }
  .collection-card-caption strong { font-size: 13px; }
  .collection-card-caption span { font-size: 10px; }
  .collection-pocket-number { min-width: 29px; padding: 2px 5px; font-size: 11px; }
  .collection-page-indicator { bottom: 7px; transform: translateX(-50%) scale(.82); }
}

@media (max-height: 520px) and (orientation: landscape) {
  .album-panel .collection-shell {
    grid-template-columns: 190px 1fr;
    grid-template-rows: 48px 28px 22px minmax(210px, 1fr) 34px;
    height: calc(100dvh - 8px);
    padding: 4px 10px;
  }
  .collection-hero { grid-column: 1; grid-row: 1 / 3; align-self: center; width: 176px; min-height: 70px; padding: 10px 28px 16px; }
  .album-panel .collection-hero h2 { font-size: 16px; }
  .collection-status-tabs { grid-column: 2; grid-row: 1; }
  .collection-series-tabs { grid-column: 2; grid-row: 2; }
  .collection-book { grid-column: 1 / 3; grid-row: 3 / 5; }
  .collection-book { min-height: 0; height: auto; }
  .collection-actions { grid-column: 1 / 3; grid-row: 5; }
  .album-page-stage { inset-block: 30px 28px; }
  .collection-grid { grid-template-columns: repeat(2, minmax(0, 120px)); gap: 50px; }
  .collection-card-caption { min-height: 16px; }
  .collection-card-caption strong { font-size: 11px; }
  .collection-card-caption span { font-size: 8px; }
  .collection-page-indicator { bottom: 2px; transform: translateX(-50%) scale(.7); }
  .collection-actions { min-height: 34px; }
  .collection-actions button { min-height: 34px; padding-block: 2px 5px; font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .collection-book.is-turning-next .collection-grid,
  .collection-book.is-turning-prev .collection-grid,
  .collection-book.is-turning-next .collection-page-window::after,
  .collection-book.is-turning-prev .collection-page-window::after { animation: none; }
}