:root {
    --app-letter-spacing: -1px;
  }
  /* Apply letter-spacing to common app elements */
  .shopify-app-block,
  .shopify-buy-frame,
  div[data-shopify-app],
  div[data-app-id],
  div[class*="app-"],
  div[class*="App"],
  #bundle-container,
  #bundle-app,
  [data-bundle-app],
  .bundle-builder,
  #ReCharge,
  [data-rebuy-id],
  [data-rebuy-container],
  [data-bold-bundle],
  [data-loyalty-container] {
    letter-spacing: var(--app-letter-spacing) !important;
  }
  /* Exclude shop-product-details blocks from app letter-spacing rules */
  .shop-product-section,
  .shop-product-info,
  .shop-product-info *:not(.shop-product-title):not([class*="product-title"]),
  .shop-product-section *:not(.shop-product-title):not([class*="product-title"]),
  .blocks-section:not(.shopify-app-block):not([data-shopify-app]):not([data-app-id]):not([class*="app-"]):not([class*="App"]),
  .limited-inventory-alert,
  .limited-inventory-alert *,
  .product-description-block,
  .product-description-block * {
    letter-spacing: var(--letter-spacing-body) !important;
  }
  /* Product title should use heading letter-spacing */
  .shop-product-title,
  .shop-product-section .shop-product-title,
  [class*="product-title-title"] {
    letter-spacing: var(--letter-spacing-heading) !important;
  }