Interactive Product Slider

<div class="shop-section">
    <div class="tab-container">
        <div class="tab active" data-handle="flours-mixes"><t4>Flours</t4></div>
        <div class="tab" data-handle="sweetener-salt"><t4>Sweetener &amp; Salt</t4></div>
        <div class="tab" data-handle="cookies-snacks-sweets"><t4>Snacks &amp; Sweets</t4></div>
    </div>
    <div id="products-container" class="horizontal-product-grid"></div>
    <div id="loader" class="loader hidden">
        <div class="spinner"></div>
    </div>
</div>

:root {
  --color-primary-font: #07004b;
  --color-secondary-font: #646262;
  --color-tertiary-font: #989898;
  --color-primary-brand: #07004b;
  --color-secondary-brand: #EBEBEB;
  --color-tertiary-brand: #000000;
}
/* General section padding */
.shop-section {
  padding: 4px 16px;
}
/* Make tabs scrollable horizontally */
.tab-container {
  display: flex;
  overflow-x: auto;
  gap: 10px;
  padding: 12px;
  scroll-behavior: smooth;              /* Smooth for programmatic scroll */
  -webkit-overflow-scrolling: touch;    /* Momentum scroll on iOS */
  scrollbar-width: none;                /* Hide scrollbar (Firefox) */
}
.tab-container::-webkit-scrollbar {
  display: none; /* Hide scrollbar (WebKit) */
}
.tab {
  padding: 10px 16px;
  background: var(--color-secondary-brand);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  white-space: nowrap;
  color: var(--color-primary-font);
  transition: background 0.3s, color 0.3s;
  font-family: var(--font-secondary);
  flex-shrink: 0; /* Prevent shrinking */
}
.tab.active {
  background: var(--color-primary-brand);
  font-weight: bold;
  color: #fff;
}
/* Horizontal scroll for products */
.horizontal-product-grid {
  display: flex;
  overflow-x: auto;
  gap: 16px;
  padding: 16px;
  /* Smooth scrolling + snapping */
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  /* Mobile optimizations */
  -webkit-overflow-scrolling: touch;
  will-change: scroll-position;
  backface-visibility: hidden;
  transform: translateZ(0);
}
.horizontal-product-grid::-webkit-scrollbar {
  display: none;
}
.product-card {
  flex: 0 0 70%;               /* Card width (~70% of viewport) */
  scroll-snap-align: center;   /* Snap to center */
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
/* Active card zoom effect */
.product-card.active {
  transform: scale(1.05);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  z-index: 1;
}
/* Left/right inactive cards */
.product-card.inactive-left,
.product-card.inactive-right {
  transform: scale(0.9);
  opacity: 0.7;
}
.product-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 20px 20px 0 0;
}
.product-info {
  padding: 10px;
  text-align: center;
}
.product-name {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2em;
  max-height: 2.4em;
  font-size: 14px;
  font-weight: 300;
  color: var(--color-primary-font);
}
.product-price-block {
  display: flex;
  justify-content: center;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.product-price-current {
  font-weight: bold;
  font-size: 14px;
  color: var(--color-primary-font);
}
.product-price-original {
  font-size: 12px;
  text-decoration: line-through;
  color: var(--color-tertiary-font);
}
/* Loader */
.loader {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px 0;
}
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-secondary-brand);
  border-top: 4px solid var(--color-primary-brand);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
.hidden {
  display: none;
}
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
/* View all button */
.view-all-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}
.view-all-button {
  background: var(--color-primary-brand);
  color: white;
  border: none;
  padding: 12px 24px;
  font-size: 14px;
  height: fit-content;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: background 0.3s ease, transform 0.2s ease;
}
.view-all-button:hover {
  background: #07004b;
  transform: scale(1.05);
}
/* Smoothing across devices */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  overflow-x: hidden;
}

const tabs = document.querySelectorAll('.tab');
const container = document.getElementById('products-container');
function renderProducts(products, collectionHandle, collectionId) {
  if (!container) return;
  container.replaceChildren();
  const fragment = document.createDocumentFragment();
  const limitedProducts = products.slice(0, 10);
  limitedProducts.forEach((product, index) => {
    const defaultVariant = product.variants?.[0] || {};
    const imageUrl = product.images?.[0] || '';
    const price = parseFloat(defaultVariant.price || 0);
    const compareAtPrice = parseFloat(defaultVariant.compareAtPrice || 0);
    const hasDiscount = compareAtPrice > price;
    const card = document.createElement('div');
    card.className = 'product-card';
    card.dataset.index = index;
    card.addEventListener('click', () => {
      VajroSDK.actions.openProduct({ productHandle: product.handle });
    });
    card.innerHTML = `
      <div class="image-container">
        <img src="${imageUrl}" alt="${product.title}" class="product-image" />
      </div>
      <div class="product-info">
        <t4 class="product-name">${product.title}</t4>
        <div class="product-price-block">
          <t4 class="product-price-current">Rs. ${price.toLocaleString("en-IN")}</t4>
          ${hasDiscount ? `<div class="product-price-original">RS. ${compareAtPrice.toLocaleString("en-IN")}</div>` : ''}
        </div>
      </div>
    `;
    fragment.appendChild(card);
  });
  const viewAllBtn = document.createElement('button');
  viewAllBtn.className = 'view-all-button';
  viewAllBtn.textContent = 'View All';
  viewAllBtn.addEventListener('click', () => {
    VajroSDK.actions.openCollection({
      collectionHandle: collectionHandle,
      collectionId: collectionId
    });
  });
  const viewAllWrapper = document.createElement('div');
  viewAllWrapper.className = 'view-all-wrapper';
  viewAllWrapper.appendChild(viewAllBtn);
  fragment.appendChild(viewAllWrapper);
  container.appendChild(fragment);
  updateCardStyles();
  container.addEventListener('scroll', updateCardStyles);
}
function updateCardStyles() {
  const cards = container.querySelectorAll('.product-card');
  const containerRect = container.getBoundingClientRect();
  const center = containerRect.left + containerRect.width / 2;
  cards.forEach(card => {
    const rect = card.getBoundingClientRect();
    const cardCenter = rect.left + rect.width / 2;
    const distance = Math.abs(center - cardCenter);
    card.classList.remove('active', 'inactive-left', 'inactive-right');
    if (distance < rect.width / 2) {
      card.classList.add('active');
    } else if (cardCenter < center) {
      card.classList.add('inactive-left');
    } else {
      card.classList.add('inactive-right');
    }
  });
}
function fetchProductsByCollectionId(collectionId) {
  VajroSDK.helpers.getProducts({
    collectionId,
    count: 10,
    sortOrder: "created-descending"
  })
    .then((data) => {
      const products = data.products || data;
      if (!products?.length) {
        container.innerHTML = '<p>No products found.</p>';
        return;
      }
      const collectionHandle = Object.keys(collectionMap).find(
        key => collectionMap[key] === collectionId
      );
      renderProducts(products, collectionHandle, collectionId);
    })
    .catch((err) => {
      console.error(`❌ Error fetching products:`, err);
      container.innerHTML = '<p>Error loading products.</p>';
      VajroSDK.actions.showToast({
        title: "Fetch Error",
        message: "Failed to load products.",
      });
    });
}
const collectionMap = {
  "flours-mixes": "429413892405",
  "sweetener-salt": "430018724149",
  "cookies-snacks-sweets": "429413925173"
};
tabs.forEach(tab => {
  tab.addEventListener('click', () => {
    document.querySelector('.tab.active')?.classList.remove('active');
    tab.classList.add('active');
    const handle = tab.dataset.handle;
    const collectionId = collectionMap[handle];
    if (collectionId) {
      fetchProductsByCollectionId(collectionId);
    } else {
      console.warn("Unknown tab handle:", handle);
    }
  });
});
// Initial load
fetchProductsByCollectionId("429413892405");