/**
 * ambe traders — Seed Vault Exchange Shop
 * Unique layout: diagonal hero + glass search + vault index sidebar
 * + mosaic overlay cards (not grove poster track + packet lattice)
 */

.page-shop-vault {
  --vt-ink: #0E1F18;
  --vt-forest: #0B3D2E;
  --vt-deep: #041912;
  --vt-mid: #1A5C45;
  --vt-lime: #C8E86C;
  --vt-gold: #E8C547;
  --vt-cream: #F7F9F4;
  --vt-paper: #FFFFFF;
  --vt-muted: #5C6F64;
  --vt-line: rgba(11, 61, 46, 0.1);
  --vt-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --vt-snap: cubic-bezier(0.34, 1.56, 0.64, 1);
  background: var(--vt-cream);
}

.page-shop-vault .page-main {
  padding-top: 0;
  overflow-x: clip;
}

.a51-vault { padding-bottom: 4rem; }

/* ——— Hero ——— */
.a51-vault-hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(3rem, 7vw, 4.5rem);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.a51-vault-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    conic-gradient(from 200deg at 85% 15%, rgba(232, 197, 71, 0.2), transparent 42%),
    linear-gradient(125deg, var(--vt-deep) 0%, var(--vt-forest) 50%, #134832 100%);
}
.a51-vault-hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(200, 232, 108, 0.12) 0%, transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: auto, 40px 40px, 40px 40px;
}
.a51-vault-hero-bg::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 72px;
  background: var(--vt-cream);
  clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 70%);
}

.a51-vault-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: end;
}

.a51-vault-eyebrow {
  margin: 0 0 0.85rem;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(200, 232, 108, 0.9);
}

.a51-vault-hero-copy h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  max-width: 14ch;
}

.a51-vault-lede {
  margin: 0 0 1.35rem;
  max-width: 40ch;
  font-size: 1.02rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.78);
}

.a51-vault-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.a51-vault-stats li {
  min-width: 88px;
  padding: 0.75rem 1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
  text-align: center;
}
.a51-vault-stats strong {
  display: block;
  font-family: var(--a51-font-display);
  font-size: 1.3rem;
  color: var(--vt-lime);
  line-height: 1.1;
}
.a51-vault-stats span {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

/* Glass search card */
.a51-vault-search {
  padding: 1.35rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.22);
}
.a51-vault-search-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0.5rem 0.5rem 1rem;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--vt-line);
}
.a51-vault-search-icon {
  flex: 0 0 auto;
  color: var(--vt-muted);
}
.a51-vault-search input {
  flex: 1;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 1rem;
  color: var(--vt-ink);
  outline: none;
  min-width: 0;
}
.a51-vault-search button {
  flex: 0 0 auto;
  border: 0;
  border-radius: 12px;
  padding: 0.75rem 1.2rem;
  background: var(--vt-forest);
  color: var(--vt-lime);
  font-weight: 800;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s var(--vt-snap);
}
.a51-vault-search button:hover {
  background: var(--vt-deep);
  transform: translateY(-1px);
}

/* ——— Stage: index + main ——— */
.a51-vault-stage {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.75rem;
  align-items: start;
  margin-top: -1.5rem;
  position: relative;
  z-index: 2;
}

.a51-vault-index-toggle {
  display: none;
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--vt-line);
  border-radius: 14px;
  background: #fff;
  color: var(--vt-forest);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(11, 61, 46, 0.08);
}

.a51-vault-index-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(4, 25, 18, 0.45);
  backdrop-filter: blur(4px);
}
.a51-vault-index-backdrop:not([hidden]) { display: block; }

.a51-vault-index {
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: 24px;
  background: #fff;
  border: 1px solid var(--vt-line);
  box-shadow: 0 16px 40px rgba(11, 61, 46, 0.08);
  max-height: calc(100vh - 110px);
  overflow: auto;
}

.a51-vault-index-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.35rem;
}
.a51-vault-index-kicker {
  width: 100%;
  margin: 0;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vt-forest);
}
.a51-vault-index-head h2 {
  margin: 0;
  flex: 1;
  font-size: 1.15rem;
}
.a51-vault-index-close {
  display: none;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 10px;
  background: var(--vt-cream);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}

.a51-vault-index-nav {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.a51-vault-index-link {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.65rem;
  align-items: center;
  padding: 0.75rem 0.85rem;
  border-radius: 16px;
  overflow: hidden;
  color: var(--vt-ink);
  transition: background 0.2s, transform 0.2s var(--vt-snap);
}
.a51-vault-index-link:hover {
  background: var(--vt-cream);
  transform: translateX(4px);
}
.a51-vault-index-link.is-active {
  background: linear-gradient(135deg, var(--vt-forest), var(--vt-mid));
  color: #fff;
  box-shadow: 0 10px 24px rgba(11, 61, 46, 0.22);
}

.a51-vault-index-bar {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: var(--vault-pct, 0%);
  background: var(--vt-lime);
  border-radius: 0 2px 2px 0;
  opacity: 0.65;
  transition: width 0.5s var(--vt-ease);
}
.a51-vault-index-link.is-active .a51-vault-index-bar {
  background: var(--vt-gold);
  opacity: 1;
}

.a51-vault-index-num {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--vt-muted);
  font-family: ui-monospace, monospace;
}
.a51-vault-index-link.is-active .a51-vault-index-num { color: var(--vt-lime); }

.a51-vault-index-copy strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.2;
}
.a51-vault-index-copy small {
  font-size: 0.72rem;
  color: var(--vt-muted);
  line-height: 1.3;
}
.a51-vault-index-link.is-active .a51-vault-index-copy small { color: rgba(255, 255, 255, 0.7); }

.a51-vault-index-tip {
  padding: 0.95rem;
  border-radius: 16px;
  background: var(--vt-cream);
  border: 1px dashed var(--vt-line);
  font-size: 0.82rem;
  color: var(--vt-muted);
}
.a51-vault-index-tip strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--vt-forest);
}
.a51-vault-index-tip a { color: var(--vt-forest); font-weight: 700; }

/* ——— Main content ——— */
.a51-vault-main { min-width: 0; }

.a51-vault-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--vt-line);
  box-shadow: 0 8px 22px rgba(11, 61, 46, 0.05);
}
.a51-vault-toolbar-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}
.a51-vault-count {
  margin: 0;
  font-size: 0.88rem;
  color: var(--vt-muted);
}
.a51-vault-count strong { color: var(--vt-ink); }
.a51-vault-reset {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--vt-forest);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.a51-vault-view {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.25rem;
  border-radius: 12px;
  background: var(--vt-cream);
  border: 1px solid var(--vt-line);
}
.a51-vault-view button {
  width: 38px;
  height: 34px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--vt-muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: background 0.2s, color 0.2s;
}
.a51-vault-view button.is-active {
  background: var(--vt-forest);
  color: var(--vt-lime);
}

/* ——— Product grid: mosaic overlay cards ——— */
.a51-vault-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.a51-vault-grid[data-view="list"] {
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.a51-vault-card {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.55s var(--vt-ease) calc(var(--card-i, 0) * 0.04s),
    transform 0.55s var(--vt-ease) calc(var(--card-i, 0) * 0.04s),
    box-shadow 0.28s;
}
.a51-vault-card.is-visible {
  opacity: 1;
  transform: none;
}
.a51-vault-card--wide {
  grid-column: span 2;
}
.a51-vault-card--wide .a51-vault-card-media {
  aspect-ratio: 2.1 / 1;
}

.a51-vault-grid[data-view="list"] .a51-vault-card--wide {
  grid-column: span 1;
}
.a51-vault-grid[data-view="list"] .a51-vault-card-media {
  aspect-ratio: auto;
  min-height: 120px;
  display: grid;
  grid-template-columns: 140px 1fr;
}
.a51-vault-grid[data-view="list"] .a51-vault-card-media img {
  aspect-ratio: 1;
  height: 100%;
}
.a51-vault-grid[data-view="list"] .a51-vault-card-overlay {
  position: relative;
  background: linear-gradient(180deg, var(--vt-cream), #fff);
  color: var(--vt-ink);
  padding: 1rem 1.1rem;
  justify-content: flex-start;
}
.a51-vault-grid[data-view="list"] .a51-vault-card-meta h3 { color: var(--vt-ink); }
.a51-vault-grid[data-view="list"] .a51-vault-card-cat { color: var(--vt-forest); }
.a51-vault-grid[data-view="list"] .a51-vault-card-variant { color: var(--vt-muted); }
.a51-vault-grid[data-view="list"] .a51-vault-card-price strong { color: var(--vt-forest); }
.a51-vault-grid[data-view="list"] .a51-vault-card-cta {
  background: var(--vt-forest);
  color: var(--vt-lime);
}

.a51-vault-card-media {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: linear-gradient(160deg, #dce8d8, #c5dbc0);
}
.a51-vault-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--vt-ease);
}
.a51-vault-card:hover .a51-vault-card-media img {
  transform: scale(1.08);
}

.a51-vault-card-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255, 255, 255, 0.25) 48%, transparent 65%);
  transform: translateX(-120%);
  pointer-events: none;
  z-index: 2;
}
.a51-vault-card:hover .a51-vault-card-shine {
  animation: a51VtShine 0.75s var(--vt-ease);
}
@keyframes a51VtShine {
  to { transform: translateX(120%); }
}

.a51-vault-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.1rem;
  background: linear-gradient(180deg, transparent 25%, rgba(4, 25, 18, 0.55) 60%, rgba(4, 25, 18, 0.92) 100%);
  color: #fff;
  transition: background 0.35s;
}
.a51-vault-card:hover .a51-vault-card-overlay {
  background: linear-gradient(180deg, transparent 10%, rgba(4, 25, 18, 0.7) 50%, rgba(4, 25, 18, 0.96) 100%);
}

.a51-vault-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--vt-lime);
  color: var(--vt-deep);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.a51-vault-badge--sale { background: var(--vt-gold); }
.a51-vault-badge--soft {
  background: rgba(255, 255, 255, 0.9);
  color: var(--vt-forest);
}

.a51-vault-sku {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 0.28rem 0.55rem;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  font-family: ui-monospace, monospace;
  color: var(--vt-lime);
}

.a51-vault-card-meta { position: relative; z-index: 1; }
.a51-vault-card-cat {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vt-lime);
  opacity: 0.9;
}
.a51-vault-card-meta h3 {
  margin: 0 0 0.25rem;
  font-family: var(--a51-font-sans);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
}
.a51-vault-card-variant {
  margin: 0 0 0.65rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.72);
}
.a51-vault-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 0.55rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.a51-vault-card-price {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}
.a51-vault-card-price strong {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--vt-lime);
}
.a51-vault-card-price s {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
}
.a51-vault-card-cta {
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  transition: background 0.2s, transform 0.2s var(--vt-snap);
}
.a51-vault-card:hover .a51-vault-card-cta {
  background: var(--vt-lime);
  color: var(--vt-deep);
  transform: translateX(2px);
}

/* Empty state */
.a51-vault-empty {
  text-align: center;
  padding: 3.5rem 1.5rem;
  border-radius: 24px;
  background: #fff;
  border: 1px dashed var(--vt-line);
}
.a51-vault-empty-icon {
  display: inline-grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: var(--vt-cream);
  color: var(--vt-forest);
  font-size: 1.6rem;
  font-weight: 300;
}
.a51-vault-empty h2 { margin: 0 0 0.5rem; }
.a51-vault-empty p { margin: 0 0 1.25rem; color: var(--vt-muted); }

/* Pagination */
.page-shop-vault .catalog-pagination { margin-top: 2rem; }
.page-shop-vault .pagination-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
}
.page-shop-vault .pagination-btn,
.page-shop-vault .pagination-num {
  min-width: 42px;
  height: 42px;
  padding: 0 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--vt-line);
  background: #fff;
  color: var(--vt-ink);
  font-weight: 700;
  font-size: 0.88rem;
  transition: 0.2s ease;
}
.page-shop-vault .pagination-num.is-active,
.page-shop-vault .pagination-btn:hover:not(.is-disabled),
.page-shop-vault .pagination-num:hover {
  background: var(--vt-forest);
  color: var(--vt-lime);
  border-color: var(--vt-forest);
}
.page-shop-vault .pagination-btn.is-disabled {
  opacity: 0.4;
  pointer-events: none;
}
.page-shop-vault .pagination-pages {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.page-shop-vault .pagination-ellipsis {
  color: var(--vt-muted);
  padding: 0 0.25rem;
}

/* ——— Responsive ——— */
@media (max-width: 1024px) {
  .a51-vault-grid { grid-template-columns: repeat(2, 1fr); }
  .a51-vault-card--wide { grid-column: span 2; }
}

@media (max-width: 900px) {
  .a51-vault-hero-grid { grid-template-columns: 1fr; }
  .a51-vault-stage { grid-template-columns: 1fr; }
  .a51-vault-index-toggle { display: block; }

  .a51-vault-index {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 90;
    width: min(320px, 88vw);
    max-height: none;
    border-radius: 0 24px 24px 0;
    transform: translateX(-105%);
    transition: transform 0.35s var(--vt-ease);
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.2);
  }
  .a51-vault-index.is-open { transform: none; }
  .a51-vault-index-close { display: grid; place-items: center; }
}

@media (max-width: 560px) {
  .a51-vault-grid,
  .a51-vault-grid[data-view="list"] { grid-template-columns: 1fr; }
  .a51-vault-card--wide { grid-column: span 1; }
  .a51-vault-card--wide .a51-vault-card-media { aspect-ratio: 4 / 5; }
  .a51-vault-grid[data-view="list"] .a51-vault-card-media {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .a51-vault-card-shine,
  .a51-vault-card { animation: none !important; }
  .a51-vault-card {
    opacity: 1 !important;
    transform: none !important;
  }
}