/* Shop — Stamp Exchange (neo-brutal page-band + bento grid) */

body.tf-exchange.a70-body {
  --tf-ink: var(--a70-ink);
  --tf-muted: var(--a70-mute);
  --tf-line: var(--a70-ink);
  --tf-sun: var(--a70-acid);
  --tf-ice: var(--a70-cobalt);
  --tf-hot: var(--a70-signal);
  --tf-display: var(--a70-display);
  --tf-sans: var(--a70-sans);
  --tf-ease: var(--a70-ease);
  color: var(--tf-ink);
  font-family: var(--tf-sans);
}

body.tf-exchange .a70-main {
  padding-bottom: 3.5rem;
  overflow-x: clip;
}

.tf-world {
  position: relative;
  width: min(1200px, calc(100% - 1.25rem));
  margin: 0.6rem auto 0;
}

.tf-noise { display: none; }

.tf-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(160px, 210px) minmax(0, 1fr);
  grid-template-areas:
    "banner banner"
    "dial   river";
  gap: 1rem 1.15rem;
  align-items: start;
}

.tf-banner { grid-area: banner; }
.tf-dial { grid-area: dial; }
.tf-river { grid-area: river; min-width: 0; }

.tf-kicker {
  margin: 0 0 0.4rem;
  font-family: var(--a70-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--a70-mute);
}

.tf-banner {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  grid-template-areas:
    "kicker kicker"
    "title  lens"
    "lede   lens"
    "meters lens";
  gap: 0.55rem 1.25rem;
  padding: clamp(1.2rem, 3vw, 1.85rem);
  background:
    linear-gradient(135deg, var(--a70-acid) 0 18px, transparent 18px),
    var(--a70-sheet);
  border: var(--a70-border);
  box-shadow: var(--a70-shadow);
  animation: tf-rise 0.55s var(--tf-ease) both;
}
.tf-banner .tf-kicker { grid-area: kicker; }
.tf-banner h1 {
  grid-area: title;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  line-height: 0.92;
}
.tf-title-main {
  font-family: var(--tf-display);
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  letter-spacing: -0.03em;
  font-weight: 800;
  text-transform: uppercase;
}
.tf-title-sub {
  display: inline-block;
  width: fit-content;
  padding: 0.12rem 0.5rem;
  font-family: var(--tf-display);
  font-size: clamp(1.35rem, 3.5vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--a70-cobalt);
  color: #fff;
  border: var(--a70-border-sm);
  box-shadow: var(--a70-shadow-sm);
}
.tf-lede {
  grid-area: lede;
  margin: 0;
  max-width: 46ch;
  color: var(--tf-muted);
  font-size: 1rem;
}
.tf-lens {
  grid-area: lens;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.55rem;
  min-width: 0;
  padding: 1rem;
  background: #fff;
  border: var(--a70-border);
  box-shadow: var(--a70-shadow-sm);
}
.tf-lens input {
  width: 100%;
  border: var(--a70-border-sm);
  background: var(--a70-sheet);
  color: var(--tf-ink);
  padding: 0.85rem 1rem;
  outline: none;
  font: inherit;
}
.tf-lens input:focus {
  outline: 3px solid var(--a70-acid);
  outline-offset: 2px;
}
.tf-lens input::placeholder { color: var(--tf-muted); }
.tf-lens button {
  align-self: start;
  border: var(--a70-border);
  cursor: pointer;
  background: var(--a70-ink);
  color: var(--a70-acid);
  font-family: var(--tf-display);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem 1.2rem;
  box-shadow: var(--a70-shadow-sm);
  transition: transform 0.15s var(--tf-ease), box-shadow 0.15s;
}
.tf-lens button:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 #0a0a0a;
}

.tf-meters {
  grid-area: meters;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin: 0.35rem 0 0;
}
.tf-meters div { display: grid; gap: 0.1rem; }
.tf-meters dt {
  margin: 0;
  font-family: var(--tf-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--a70-signal);
  line-height: 1;
}
.tf-meters dd {
  margin: 0;
  font-family: var(--a70-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tf-muted);
}

.tf-dial {
  position: sticky;
  top: calc(var(--a70-rail) + 0.9rem);
  padding: 0.85rem 0.65rem;
  background: var(--a70-sheet);
  border: var(--a70-border);
  box-shadow: var(--a70-shadow);
}
.tf-dial-label {
  margin: 0 0.45rem 0.75rem;
  font-family: var(--tf-display);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--a70-ink);
}
.tf-dial-stack {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.tf-dial-seg {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.55rem;
  align-items: center;
  padding: 0.65rem 0.7rem;
  text-decoration: none;
  color: var(--tf-muted);
  background: #fff;
  border: var(--a70-border-sm);
  box-shadow: 2px 2px 0 #0a0a0a;
  transition: transform 0.15s, background 0.15s, color 0.15s, box-shadow 0.15s;
}
.tf-dial-seg:hover {
  color: var(--tf-ink);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 #0a0a0a;
}
.tf-dial-seg.is-on {
  color: #fff;
  background: var(--a70-cobalt);
  border-color: var(--a70-ink);
}
.tf-dial-ix {
  font-family: var(--a70-mono);
  font-size: 0.78rem;
  font-weight: 700;
}
.tf-dial-name {
  font-size: 0.86rem;
  font-weight: 700;
}

.tf-mosaic {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(160px, auto);
  gap: 0.85rem;
}

.tf-facet {
  position: relative;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s var(--tf-ease), transform 0.45s var(--tf-ease);
  transition-delay: calc(min(var(--i), 10) * 0.04s);
}
.tf-facet.is-in {
  opacity: 1;
  transform: none;
}

.tf-facet-0 { grid-column: span 5; }
.tf-facet-1 { grid-column: span 3; }
.tf-facet-2 { grid-column: span 4; }
.tf-facet-3 { grid-column: span 4; }
.tf-facet-4 { grid-column: span 5; }
.tf-facet-5 { grid-column: span 3; }

.tf-facet-hit {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  height: 100%;
  min-height: 240px;
  text-decoration: none;
  color: inherit;
  background: var(--a70-sheet);
  border: var(--a70-border);
  box-shadow: var(--a70-shadow-sm);
  overflow: hidden;
  transition: transform 0.2s var(--tf-ease), box-shadow 0.2s;
}
.tf-facet-hit:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0 #0a0a0a;
}

.tf-facet-media {
  display: block;
  position: relative;
  min-height: 150px;
  background: #e8e2d4;
  overflow: hidden;
}
.tf-facet-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s var(--tf-ease);
}
.tf-facet-hit:hover .tf-facet-media img { transform: scale(1.05); }

.tf-facet-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 2;
  padding: 0.3rem 0.55rem;
  background: var(--tf-hot);
  color: #fff;
  border: var(--a70-border-sm);
  box-shadow: 2px 2px 0 #0a0a0a;
  font-family: var(--a70-mono);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tf-facet-copy {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 0.95rem 1.05rem;
  background: var(--a70-sheet);
  border-top: var(--a70-border-sm);
}
.tf-facet-aisle {
  font-family: var(--a70-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--a70-cobalt);
}
.tf-facet-title {
  font-family: var(--tf-display);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-transform: uppercase;
}
.tf-facet-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.25rem;
}
.tf-facet-meta em {
  font-style: normal;
  font-weight: 800;
  color: var(--a70-signal);
  font-size: 1rem;
}
.tf-facet-meta small {
  font-family: var(--a70-mono);
  font-size: 0.72rem;
  color: var(--tf-muted);
}

.tf-facet-shard { display: none; }

.tf-empty {
  padding: 2.5rem 1.5rem;
  text-align: center;
  border: var(--a70-border);
  background: var(--a70-sheet);
  box-shadow: var(--a70-shadow);
  display: grid;
  gap: 0.65rem;
  justify-items: center;
}
.tf-empty h2 {
  margin: 0;
  font-family: var(--tf-display);
  font-size: 2rem;
  font-weight: 800;
  text-transform: uppercase;
}
.tf-empty p { margin: 0; color: var(--tf-muted); }
.tf-empty-btn {
  margin-top: 0.5rem;
  text-decoration: none;
  color: var(--a70-ink);
  background: var(--a70-acid);
  border: var(--a70-border);
  box-shadow: var(--a70-shadow-sm);
  font-family: var(--tf-display);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem 1.2rem;
  transition: transform 0.15s, box-shadow 0.15s;
}
.tf-empty-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 #0a0a0a;
}

.tf-exchange .catalog-pagination { margin-top: 1.75rem; }
.tf-exchange .pagination-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
}
.tf-exchange .pagination-btn,
.tf-exchange .pagination-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  min-height: 2.5rem;
  padding: 0.45rem 0.85rem;
  text-decoration: none;
  color: var(--tf-ink);
  background: var(--a70-sheet);
  border: var(--a70-border-sm);
  box-shadow: var(--a70-shadow-sm);
  font-weight: 700;
  font-size: 0.85rem;
  transition: transform 0.15s, background 0.15s;
}
.tf-exchange .pagination-btn:hover,
.tf-exchange .pagination-num:hover {
  transform: translate(-2px, -2px);
  background: var(--a70-acid);
}
.tf-exchange .pagination-num.is-active {
  background: var(--a70-ink);
  color: var(--a70-acid);
}
.tf-exchange .pagination-btn.is-disabled {
  opacity: 0.35;
  pointer-events: none;
}
.tf-exchange .pagination-pages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.tf-exchange .pagination-ellipsis {
  color: var(--tf-muted);
  padding: 0 0.25rem;
}

@keyframes tf-rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 960px) {
  .tf-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "banner"
      "dial"
      "river";
  }
  .tf-dial { position: static; }
  .tf-dial-stack {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    gap: 0.45rem;
    padding-bottom: 0.25rem;
    scroll-snap-type: x mandatory;
  }
  .tf-dial-seg {
    scroll-snap-align: start;
    white-space: nowrap;
  }
  .tf-banner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "kicker"
      "title"
      "lede"
      "meters"
      "lens";
  }
  .tf-facet-0,
  .tf-facet-1,
  .tf-facet-2,
  .tf-facet-3,
  .tf-facet-4,
  .tf-facet-5 { grid-column: span 6; }
}

@media (max-width: 560px) {
  .tf-mosaic { grid-template-columns: 1fr; }
  .tf-facet-0,
  .tf-facet-1,
  .tf-facet-2,
  .tf-facet-3,
  .tf-facet-4,
  .tf-facet-5 { grid-column: auto; }
}