/* ── Shop Screen ────────────────────────────────────── */

#screen-shop {
  --shop-bg: #0d1f16;
  --shop-panel: #132b1e;
  --shop-border: #2a5e3a;
  --shop-border-dim: #1e4a2c;
  --shop-text: #c8e6d0;
  --shop-text-dim: #6a9e78;
  --shop-surface: rgba(100, 220, 140, 0.06);
  --shop-btn-secondary: #1e4a2c;
  background: var(--shop-bg);
}

.shop-header {
  width: 100%;
  max-width: 37.5rem;
  margin: 0 auto;
  padding: calc(3.5rem + env(safe-area-inset-top)) 0.875rem 0.5rem;
  text-align: center;
  color: #fff;
}

.shop-header h2 {
  font-size: 1.25rem;
  margin: 0 0 0.25rem;
  letter-spacing: 0.0625rem;
  text-shadow: 1px 1px 0 rgba(0,0,0,0.5);
}

.shop-coins {
  color: var(--color-coin);
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  text-shadow: 1px 1px 0 rgba(0,0,0,0.4);
}
.shop-coins .pxicon {
  filter: brightness(0) saturate(100%) invert(75%) sepia(60%) saturate(500%) hue-rotate(10deg);
  flex-shrink: 0;
}

/* ── Responsive grid ───────────────────────────────── */
.shop-grid {
  width: 100%;
  max-width: 37.5rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.375rem, 1fr));
  gap: 0.75rem;
  padding: 0.875rem;
  box-sizing: border-box;
}

.skin-card {
  background: var(--shop-panel);
  border: 2px solid var(--shop-border-dim);
  padding: 0.75rem;
  text-align: center;
  color: var(--shop-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

.skin-card.locked { opacity: 0.45; }
/* After stagger animation completes, restore locked opacity */
.skin-card.locked.anim-stagger {
  animation: screenContentStaggerLocked 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: calc(0.12s + var(--stagger-i, 0) * 0.03s);
}
.skin-card.equipped { border-color: var(--color-fruit); }

.skin-preview {
  width: 100%;
  aspect-ratio: 1;
  margin: 0 0 0.5rem;
  background-color: var(--shop-surface);
  background-repeat: no-repeat;
  border: 2px solid rgba(255,255,255,0.1);
  border-radius: 0.25rem;
  transition: opacity 0.3s ease;
}

/* Loading shimmer for async images */
.skin-preview.loading {
  background-image: none !important;
  background: linear-gradient(
    110deg,
    var(--shop-panel) 30%,
    rgba(100, 220, 140, 0.08) 50%,
    var(--shop-panel) 70%
  );
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}

/* Freshly processed — brief fade-in from shimmer to real image */
.skin-preview.revealing {
  animation: skinPreviewReveal 0.35s ease forwards;
}

.skin-name { font-size: 0.9375rem; font-weight: 700; margin-bottom: 0.25rem; }
.skin-ability {
  font-size: 0.6875rem;
  color: var(--shop-text-dim);
  margin-bottom: 0.375rem;
  line-height: 1.3;
}
.skin-price {
  font-size: 0.8125rem;
  color: var(--color-coin);
  margin-bottom: 0.625rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  width: 100%;
}

.skin-btn {
  width: 100%;
  padding: 0.5rem 0.875rem;
  border: 2px solid rgba(255,255,255,0.15);
  border-bottom-color: rgba(0,0,0,0.3);
  border-right-color: rgba(0,0,0,0.3);
  font-family: var(--font-pixel);
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  min-height: 2.75rem;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-top: auto;
  touch-action: manipulation;
}
.skin-btn:active { transform: translateY(2px); }
.skin-btn.buy { background: var(--color-btn-primary); color: #fff; }
.skin-btn.equip { background: var(--color-character); color: #000; }
.skin-btn.equipped { background: var(--shop-btn-secondary); color: var(--shop-text-dim); cursor: default; border-color: var(--shop-border-dim); }
.skin-btn.insufficient { background: var(--shop-panel); color: var(--shop-border-dim); cursor: not-allowed; border-color: var(--shop-border-dim); }

/* ── Shop-scoped back button override ──────────────── */
#screen-shop > .map-back-btn {
  background: var(--shop-panel);
  border-color: var(--shop-border);
}