/* ---- 商店视图 ---- */
#shop-view {
  background: #FFF8F0;
}

.shop-header {
  background: var(--bg-primary);
  padding: calc(var(--space-md) + env(safe-area-inset-top, 12px)) var(--space-md) var(--space-md);
  color: #FFF;
}

.shop-stars-display {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255,255,255,0.2);
  border-radius: var(--border-radius-full);
  padding: 8px 16px;
  width: fit-content;
  margin-bottom: var(--space-sm);
}

.shop-stars-icon { font-size: 24px; }
.shop-stars-count {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--gold);
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.shop-stars-label { font-size: var(--font-size-sm); color: rgba(255,255,255,0.8); }

.shop-header-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: #FFF;
  margin-top: var(--space-xs);
}

/* 奖励卡片网格 */
.shop-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  padding: var(--space-md);
}

.reward-card {
  background: #FFF;
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.reward-card:active { transform: scale(0.97); }

.reward-card-icon { font-size: 48px; line-height: 1; }
.reward-card-name {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.reward-card-cost {
  display: flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #FFF9C4, #FFE082);
  padding: 4px 12px;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: #E65100;
}

.reward-card.rarity-SSR {
  box-shadow: var(--shadow-ssr);
}