Pages Hard

Shop Category Page

An e-commerce category page with product grid, sidebar filters (price range, brand, rating), sort dropdown, and pagination. No libraries.

Open in Lab

vanilla-js css

Targets: JS HTML

Code

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #f8f9fa;
  color: #1a1a2e;
  line-height: 1.5;
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ── Top Nav ─────────────────────────────────── */

.shop-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 50;
}

.shop-logo {
  font-size: 20px;
  font-weight: 800;
  color: #4f46e5;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.nav-search {
  display: flex;
  flex: 1;
  max-width: 480px;
}

.nav-search input {
  flex: 1;
  padding: 8px 14px;
  border: 1px solid #d1d5db;
  border-right: none;
  border-radius: 6px 0 0 6px;
  font-size: 14px;
  outline: none;
}

.nav-search input:focus {
  border-color: #4f46e5;
}

.nav-search button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: 1px solid #d1d5db;
  border-left: none;
  border-radius: 0 6px 6px 0;
  background: #f9fafb;
  cursor: pointer;
  color: #6b7280;
}

.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: #374151;
  cursor: pointer;
  flex-shrink: 0;
}

.cart-btn:hover {
  background: #f3f4f6;
}

.cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: #4f46e5;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Breadcrumb ──────────────────────────────── */

.breadcrumb {
  padding: 14px 24px;
  font-size: 13px;
  color: #6b7280;
  background: #fff;
  border-bottom: 1px solid #f0f1f3;
}

.breadcrumb a {
  color: #6b7280;
  transition: color 0.1s;
}

.breadcrumb a:hover {
  color: #4f46e5;
}

.breadcrumb .sep {
  margin: 0 6px;
  color: #d1d5db;
}

.breadcrumb .current {
  color: #1a1a2e;
  font-weight: 500;
}

/* ── Page Title ──────────────────────────────── */

.page-title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 24px 24px 16px;
  max-width: 1320px;
  margin: 0 auto;
}

.page-title-row h1 {
  font-size: 28px;
  font-weight: 700;
}

.product-total {
  font-size: 14px;
  color: #6b7280;
  margin-top: 2px;
}

.mobile-filter-toggle {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  color: #374151;
  cursor: pointer;
}

/* ── Shop Layout ─────────────────────────────── */

.shop-layout {
  display: flex;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px 60px;
  gap: 28px;
}

/* ── Sidebar ─────────────────────────────────── */

.shop-sidebar {
  width: 280px;
  flex-shrink: 0;
  position: sticky;
  top: 72px;
  align-self: flex-start;
  max-height: calc(100vh - 88px);
  overflow-y: auto;
  padding-bottom: 24px;
}

.sidebar-header {
  display: none;
}

.filter-section {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  margin-bottom: 12px;
  overflow: hidden;
}

.filter-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 16px;
  border: none;
  background: none;
  font-size: 14px;
  font-weight: 600;
  color: #1a1a2e;
  cursor: pointer;
  text-align: left;
}

.filter-heading .chevron {
  font-size: 10px;
  color: #9ca3af;
  transition: transform 0.2s;
}

.filter-section.collapsed .chevron {
  transform: rotate(-90deg);
}

.filter-section.collapsed .filter-body {
  display: none;
}

.filter-body {
  padding: 0 16px 16px;
}

/* Price */
.price-inputs {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin-bottom: 12px;
}

.price-field {
  flex: 1;
}

.price-field label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: #6b7280;
  margin-bottom: 4px;
}

.price-field input {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
  text-align: center;
  outline: none;
}

.price-field input:focus {
  border-color: #4f46e5;
}

.price-dash {
  color: #9ca3af;
  padding-bottom: 6px;
}

.price-slider {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: #e5e7eb;
  border-radius: 2px;
  outline: none;
}

.price-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #4f46e5;
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.price-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #4f46e5;
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.price-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: #9ca3af;
  margin-top: 4px;
}

/* Brand checkboxes */
.check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  font-size: 14px;
  color: #374151;
  cursor: pointer;
}

.check-label input {
  accent-color: #4f46e5;
  width: 16px;
  height: 16px;
}

.check-label .count {
  margin-left: auto;
  font-size: 12px;
  color: #9ca3af;
}

/* Star rating filter */
.star-label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 14px;
  color: #374151;
  cursor: pointer;
  transition: background 0.1s;
}

.star-label:hover {
  background: #f9fafb;
}

.star-label.active {
  background: #eff6ff;
  color: #4f46e5;
  font-weight: 500;
}

.stars {
  color: #f59e0b;
  font-size: 15px;
  letter-spacing: 1px;
}

/* Toggle switch */
.toggle-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  color: #374151;
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  border: none;
  border-radius: 12px;
  background: #d1d5db;
  cursor: pointer;
  padding: 0;
  transition: background 0.2s;
}

.toggle-switch[aria-checked="true"] {
  background: #4f46e5;
}

.toggle-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s;
}

.toggle-switch[aria-checked="true"] .toggle-knob {
  transform: translateX(20px);
}

/* Clear filters */
.clear-filters {
  display: block;
  width: 100%;
  padding: 10px;
  border: none;
  background: none;
  color: #4f46e5;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
}

.clear-filters:hover {
  text-decoration: underline;
}

/* ── Main Content ────────────────────────────── */

.shop-main {
  flex: 1;
  min-width: 0;
}

/* ── Toolbar ─────────────────────────────────── */

.shop-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  background: #fff;
  font-size: 12px;
  color: #374151;
}

.filter-pill button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border: none;
  border-radius: 50%;
  background: #e5e7eb;
  color: #6b7280;
  font-size: 11px;
  cursor: pointer;
  line-height: 1;
}

.filter-pill button:hover {
  background: #d1d5db;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.view-toggle {
  display: flex;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  overflow: hidden;
}

.view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: none;
  background: #fff;
  color: #9ca3af;
  cursor: pointer;
  transition: all 0.15s;
}

.view-btn:not(:last-child) {
  border-right: 1px solid #e5e7eb;
}

.view-btn.active {
  background: #4f46e5;
  color: #fff;
}

.sort-select {
  padding: 7px 10px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  font-size: 13px;
  color: #374151;
  background: #fff;
  cursor: pointer;
  outline: none;
}

.sort-select:focus {
  border-color: #4f46e5;
}

.showing-count {
  font-size: 13px;
  color: #6b7280;
  white-space: nowrap;
}

/* ── Product Grid ────────────────────────────── */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.product-grid.list-view {
  grid-template-columns: 1fr;
}

.product-card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.product-img {
  position: relative;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-new {
  background: #059669;
  color: #fff;
}

.badge-out {
  background: #dc2626;
  color: #fff;
}

.product-info {
  padding: 16px;
}

.product-brand {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #6b7280;
  margin-bottom: 4px;
}

.product-name {
  font-size: 15px;
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 8px;
  line-height: 1.3;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 8px;
}

.stars-display {
  color: #f59e0b;
  font-size: 14px;
  letter-spacing: 1px;
}

.rating-num {
  font-size: 13px;
  color: #6b7280;
  font-weight: 500;
}

.product-price {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.price-current {
  font-size: 18px;
  font-weight: 700;
  color: #1a1a2e;
}

.price-sale {
  color: #dc2626;
}

.price-original {
  font-size: 14px;
  color: #9ca3af;
  text-decoration: line-through;
}

.add-to-cart {
  display: block;
  width: 100%;
  padding: 10px;
  border: 1.5px solid #4f46e5;
  border-radius: 8px;
  background: transparent;
  color: #4f46e5;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.add-to-cart:hover:not(:disabled) {
  background: #4f46e5;
  color: #fff;
}

.add-to-cart:disabled {
  border-color: #d1d5db;
  color: #9ca3af;
  cursor: not-allowed;
}

/* ── List View Cards ─────────────────────────── */

.product-grid.list-view .product-card {
  display: flex;
}

.product-grid.list-view .product-img {
  width: 240px;
  height: auto;
  min-height: 180px;
  flex-shrink: 0;
}

.product-grid.list-view .product-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ── Pagination ──────────────────────────────── */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 32px;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  background: #fff;
  color: #374151;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.page-btn:hover:not(:disabled):not(.active) {
  background: #f3f4f6;
}

.page-btn.active {
  background: #4f46e5;
  border-color: #4f46e5;
  color: #fff;
  font-weight: 600;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Responsive ──────────────────────────────── */

@media (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .shop-nav {
    padding: 10px 16px;
  }

  .nav-search {
    display: none;
  }

  .page-title-row {
    padding: 16px 16px 12px;
  }

  .page-title-row h1 {
    font-size: 22px;
  }

  .mobile-filter-toggle {
    display: inline-flex;
  }

  .shop-layout {
    flex-direction: column;
    padding: 0 16px 40px;
    gap: 0;
  }

  .shop-sidebar {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100;
    width: 100%;
    max-height: 100vh;
    top: 0;
    background: #fff;
    padding: 16px;
    overflow-y: auto;
  }

  .shop-sidebar.open {
    display: block;
  }

  .sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
  }

  .sidebar-header h2 {
    font-size: 20px;
    font-weight: 700;
  }

  .sidebar-close {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 8px;
    background: #f3f4f6;
    font-size: 22px;
    color: #374151;
    cursor: pointer;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .product-img {
    height: 150px;
  }

  .product-info {
    padding: 12px;
  }

  .product-name {
    font-size: 13px;
  }

  .price-current {
    font-size: 16px;
  }

  .toolbar-right {
    flex-wrap: wrap;
  }

  .showing-count {
    display: none;
  }

  .product-grid.list-view .product-card {
    flex-direction: column;
  }

  .product-grid.list-view .product-img {
    width: 100%;
    min-height: 150px;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

(() => {
  const grid = document.getElementById("productGrid");
  const sortSelect = document.getElementById("sortSelect");
  const priceMin = document.getElementById("priceMin");
  const priceMax = document.getElementById("priceMax");
  const priceSlider = document.getElementById("priceSlider");
  const stockToggle = document.getElementById("stockToggle");
  const clearBtn = document.getElementById("clearFilters");
  const activeFiltersEl = document.getElementById("activeFilters");
  const showingCount = document.getElementById("showingCount");
  const productTotal = document.getElementById("productTotal");
  const pagination = document.getElementById("pagination");
  const sidebar = document.getElementById("shopSidebar");
  const mobileToggle = document.getElementById("mobileFilterToggle");
  const sidebarClose = document.getElementById("sidebarClose");

  let ratingFilter = 0;
  let currentPage = 1;

  function getCards() {
    return Array.from(grid.querySelectorAll(".product-card"));
  }

  /* ── Price Filter ──────────────────────────── */

  priceSlider.addEventListener("input", () => {
    priceMax.value = priceSlider.value;
    applyFilters();
  });

  priceMin.addEventListener("change", () => applyFilters());
  priceMax.addEventListener("change", () => {
    priceSlider.value = priceMax.value;
    applyFilters();
  });

  /* ── Brand Filter ──────────────────────────── */

  sidebar.querySelectorAll('.check-label input[type="checkbox"]').forEach((cb) => {
    cb.addEventListener("change", () => applyFilters());
  });

  /* ── Rating Filter ─────────────────────────── */

  sidebar.querySelectorAll(".star-label").forEach((label) => {
    label.addEventListener("click", () => {
      const min = parseInt(label.getAttribute("data-min"), 10);
      if (ratingFilter === min) {
        ratingFilter = 0;
        label.classList.remove("active");
      } else {
        sidebar.querySelectorAll(".star-label").forEach((l) => l.classList.remove("active"));
        ratingFilter = min;
        label.classList.add("active");
      }
      applyFilters();
    });
  });

  /* ── Stock Toggle ──────────────────────────── */

  stockToggle.addEventListener("click", () => {
    const current = stockToggle.getAttribute("aria-checked") === "true";
    stockToggle.setAttribute("aria-checked", !current);
    applyFilters();
  });

  /* ── Sort ───────────────────────────────────── */

  sortSelect.addEventListener("change", () => applyFilters());

  /* ── View Toggle ───────────────────────────── */

  document.querySelectorAll(".view-btn").forEach((btn) => {
    btn.addEventListener("click", () => {
      document.querySelectorAll(".view-btn").forEach((b) => b.classList.remove("active"));
      btn.classList.add("active");
      const view = btn.getAttribute("data-view");
      grid.classList.toggle("list-view", view === "list");
    });
  });

  /* ── Collapsible Sections ──────────────────── */

  sidebar.querySelectorAll(".filter-heading").forEach((heading) => {
    heading.addEventListener("click", () => {
      heading.closest(".filter-section").classList.toggle("collapsed");
    });
  });

  /* ── Clear All ─────────────────────────────── */

  clearBtn.addEventListener("click", () => {
    priceMin.value = 0;
    priceMax.value = 500;
    priceSlider.value = 500;
    sidebar.querySelectorAll('.check-label input[type="checkbox"]').forEach((cb) => {
      cb.checked = false;
    });
    ratingFilter = 0;
    sidebar.querySelectorAll(".star-label").forEach((l) => l.classList.remove("active"));
    stockToggle.setAttribute("aria-checked", "false");
    sortSelect.value = "featured";
    applyFilters();
  });

  /* ── Mobile Sidebar ────────────────────────── */

  mobileToggle.addEventListener("click", () => {
    sidebar.classList.add("open");
    document.body.style.overflow = "hidden";
  });

  sidebarClose.addEventListener("click", () => {
    sidebar.classList.remove("open");
    document.body.style.overflow = "";
  });

  /* ── Apply Filters ─────────────────────────── */

  function applyFilters() {
    const cards = getCards();
    const minPrice = parseInt(priceMin.value, 10) || 0;
    const maxPrice = parseInt(priceMax.value, 10) || 500;
    const stockOnly = stockToggle.getAttribute("aria-checked") === "true";

    const selectedBrands = Array.from(sidebar.querySelectorAll(".check-label input:checked")).map(
      (cb) => cb.value
    );

    let visibleCount = 0;

    cards.forEach((card) => {
      const price = parseInt(card.getAttribute("data-price"), 10);
      const brand = card.getAttribute("data-brand");
      const rating = parseFloat(card.getAttribute("data-rating"));
      const inStock = card.getAttribute("data-stock") === "true";

      let show = true;

      if (price < minPrice || price > maxPrice) show = false;
      if (selectedBrands.length > 0 && !selectedBrands.includes(brand)) show = false;
      if (ratingFilter > 0 && rating < ratingFilter) show = false;
      if (stockOnly && !inStock) show = false;

      card.style.display = show ? "" : "none";
      if (show) visibleCount++;
    });

    /* Sort visible cards */
    sortCards();

    /* Update counts */
    showingCount.textContent = `Showing ${visibleCount} of 48 products`;
    productTotal.textContent = `${visibleCount} products`;

    /* Update active filter pills */
    updateFilterPills(minPrice, maxPrice, selectedBrands, stockOnly);
  }

  function sortCards() {
    const val = sortSelect.value;
    const cards = getCards();

    cards.sort((a, b) => {
      const pa = parseInt(a.getAttribute("data-price"), 10);
      const pb = parseInt(b.getAttribute("data-price"), 10);
      const ra = parseFloat(a.getAttribute("data-rating"));
      const rb = parseFloat(b.getAttribute("data-rating"));
      const da = new Date(a.getAttribute("data-date"));
      const db = new Date(b.getAttribute("data-date"));

      switch (val) {
        case "price-asc":
          return pa - pb;
        case "price-desc":
          return pb - pa;
        case "newest":
          return db - da;
        case "rating":
          return rb - ra;
        default:
          return 0;
      }
    });

    cards.forEach((card) => grid.appendChild(card));
  }

  /* ── Active Filter Pills ───────────────────── */

  function updateFilterPills(minPrice, maxPrice, brands, stockOnly) {
    activeFiltersEl.innerHTML = "";

    if (minPrice > 0 || maxPrice < 500) {
      addPill(`$${minPrice} – $${maxPrice}`, () => {
        priceMin.value = 0;
        priceMax.value = 500;
        priceSlider.value = 500;
        applyFilters();
      });
    }

    brands.forEach((brand) => {
      addPill(capitalize(brand), () => {
        const cb = sidebar.querySelector(`.check-label input[value="${brand}"]`);
        if (cb) cb.checked = false;
        applyFilters();
      });
    });

    if (ratingFilter > 0) {
      addPill(`${ratingFilter}★ & up`, () => {
        ratingFilter = 0;
        sidebar.querySelectorAll(".star-label").forEach((l) => l.classList.remove("active"));
        applyFilters();
      });
    }

    if (stockOnly) {
      addPill("In Stock", () => {
        stockToggle.setAttribute("aria-checked", "false");
        applyFilters();
      });
    }
  }

  function addPill(text, onRemove) {
    const pill = document.createElement("span");
    pill.className = "filter-pill";
    pill.innerHTML = `${escapeHtml(text)} <button aria-label="Remove">&times;</button>`;
    pill.querySelector("button").addEventListener("click", onRemove);
    activeFiltersEl.appendChild(pill);
  }

  function capitalize(str) {
    return str.charAt(0).toUpperCase() + str.slice(1);
  }

  function escapeHtml(str) {
    const div = document.createElement("div");
    div.textContent = str;
    return div.innerHTML;
  }

  /* ── Pagination ────────────────────────────── */

  pagination.addEventListener("click", (e) => {
    const btn = e.target.closest(".page-btn");
    if (!btn || btn.disabled) return;

    if (btn.classList.contains("prev")) {
      if (currentPage > 1) currentPage--;
    } else if (btn.classList.contains("next")) {
      currentPage++;
    } else {
      currentPage = parseInt(btn.getAttribute("data-page"), 10);
    }

    pagination.querySelectorAll(".page-btn[data-page]").forEach((p) => {
      p.classList.toggle("active", parseInt(p.getAttribute("data-page"), 10) === currentPage);
    });

    pagination.querySelector(".prev").disabled = currentPage <= 1;
    pagination.querySelector(".next").disabled = currentPage >= 4;

    window.scrollTo({ top: 0, behavior: "smooth" });
  });

  /* ── Render Stars ──────────────────────────── */

  document.querySelectorAll(".stars-display").forEach((el) => {
    const rating = parseFloat(el.getAttribute("data-rating"));
    const full = Math.floor(rating);
    const half = rating % 1 >= 0.5 ? 1 : 0;
    const empty = 5 - full - half;
    el.textContent =
      "\u2605".repeat(full) + (half ? "\u2605" : "") + "\u2606".repeat(empty - (half ? 0 : 0));
    /* Re-render with proper full/empty */
    let stars = "";
    for (let i = 0; i < full; i++) stars += "\u2605";
    for (let i = 0; i < 5 - full; i++) stars += "\u2606";
    el.textContent = stars;
  });

  /* ── Init ──────────────────────────────────── */
  applyFilters();
})();

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Headphones &mdash; Shop</title>
  <link rel="stylesheet" href="style.css" />
</head>
<body>
  <div class="shop-page">
    <!-- Top Nav -->
    <header class="shop-nav">
      <a href="#" class="shop-logo">ShopUI</a>
      <div class="nav-search">
        <input type="text" placeholder="Search products..." />
        <button aria-label="Search">
          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"></circle><line x1="21" y1="21" x2="16.65" y2="16.65"></line></svg>
        </button>
      </div>
      <button class="cart-btn" aria-label="Cart">
        <svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="9" cy="21" r="1"></circle><circle cx="20" cy="21" r="1"></circle><path d="M1 1h4l2.68 13.39a2 2 0 0 0 2 1.61h9.72a2 2 0 0 0 2-1.61L23 6H6"></path></svg>
        <span class="cart-count">3</span>
      </button>
    </header>

    <!-- Breadcrumb -->
    <nav class="breadcrumb" aria-label="Breadcrumb">
      <a href="#">Home</a>
      <span class="sep">&rsaquo;</span>
      <a href="#">Electronics</a>
      <span class="sep">&rsaquo;</span>
      <span class="current">Headphones</span>
    </nav>

    <!-- Page Title -->
    <div class="page-title-row">
      <div>
        <h1>Headphones</h1>
        <p class="product-total" id="productTotal">48 products</p>
      </div>
      <button class="mobile-filter-toggle" id="mobileFilterToggle">
        <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="4" y1="21" x2="4" y2="14"></line><line x1="4" y1="10" x2="4" y2="3"></line><line x1="12" y1="21" x2="12" y2="12"></line><line x1="12" y1="8" x2="12" y2="3"></line><line x1="20" y1="21" x2="20" y2="16"></line><line x1="20" y1="12" x2="20" y2="3"></line></svg>
        Filters
      </button>
    </div>

    <div class="shop-layout">
      <!-- Sidebar -->
      <aside class="shop-sidebar" id="shopSidebar">
        <div class="sidebar-header">
          <h2>Filters</h2>
          <button class="sidebar-close" id="sidebarClose">&times;</button>
        </div>

        <div class="filter-section" data-filter="price">
          <button class="filter-heading">Price Range <span class="chevron">&#9662;</span></button>
          <div class="filter-body">
            <div class="price-inputs">
              <div class="price-field">
                <label>Min</label>
                <input type="number" id="priceMin" value="0" min="0" max="500" step="10" />
              </div>
              <span class="price-dash">&ndash;</span>
              <div class="price-field">
                <label>Max</label>
                <input type="number" id="priceMax" value="500" min="0" max="500" step="10" />
              </div>
            </div>
            <input type="range" class="price-slider" id="priceSlider" min="0" max="500" value="500" step="10" />
            <div class="price-labels"><span>$0</span><span>$500</span></div>
          </div>
        </div>

        <div class="filter-section" data-filter="brand">
          <button class="filter-heading">Brand <span class="chevron">&#9662;</span></button>
          <div class="filter-body">
            <label class="check-label"><input type="checkbox" value="sony" /> Sony <span class="count">(12)</span></label>
            <label class="check-label"><input type="checkbox" value="bose" /> Bose <span class="count">(9)</span></label>
            <label class="check-label"><input type="checkbox" value="apple" /> Apple <span class="count">(8)</span></label>
            <label class="check-label"><input type="checkbox" value="samsung" /> Samsung <span class="count">(7)</span></label>
            <label class="check-label"><input type="checkbox" value="jbl" /> JBL <span class="count">(6)</span></label>
            <label class="check-label"><input type="checkbox" value="sennheiser" /> Sennheiser <span class="count">(6)</span></label>
          </div>
        </div>

        <div class="filter-section" data-filter="rating">
          <button class="filter-heading">Rating <span class="chevron">&#9662;</span></button>
          <div class="filter-body">
            <label class="star-label" data-min="4"><span class="stars">&#9733;&#9733;&#9733;&#9733;&#9734;</span> &amp; up</label>
            <label class="star-label" data-min="3"><span class="stars">&#9733;&#9733;&#9733;&#9734;&#9734;</span> &amp; up</label>
            <label class="star-label" data-min="2"><span class="stars">&#9733;&#9733;&#9734;&#9734;&#9734;</span> &amp; up</label>
          </div>
        </div>

        <div class="filter-section" data-filter="availability">
          <button class="filter-heading">Availability <span class="chevron">&#9662;</span></button>
          <div class="filter-body">
            <label class="toggle-label">
              <span>In Stock only</span>
              <button class="toggle-switch" id="stockToggle" role="switch" aria-checked="false">
                <span class="toggle-knob"></span>
              </button>
            </label>
          </div>
        </div>

        <button class="clear-filters" id="clearFilters">Clear all filters</button>
      </aside>

      <!-- Main Content -->
      <main class="shop-main">
        <!-- Toolbar -->
        <div class="shop-toolbar">
          <div class="active-filters" id="activeFilters"></div>
          <div class="toolbar-right">
            <div class="view-toggle">
              <button class="view-btn active" data-view="grid" aria-label="Grid view">
                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><rect x="3" y="3" width="7" height="7"></rect><rect x="14" y="3" width="7" height="7"></rect><rect x="3" y="14" width="7" height="7"></rect><rect x="14" y="14" width="7" height="7"></rect></svg>
              </button>
              <button class="view-btn" data-view="list" aria-label="List view">
                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><line x1="8" y1="6" x2="21" y2="6"></line><line x1="8" y1="12" x2="21" y2="12"></line><line x1="8" y1="18" x2="21" y2="18"></line><line x1="3" y1="6" x2="3.01" y2="6"></line><line x1="3" y1="12" x2="3.01" y2="12"></line><line x1="3" y1="18" x2="3.01" y2="18"></line></svg>
              </button>
            </div>
            <select class="sort-select" id="sortSelect">
              <option value="featured">Featured</option>
              <option value="price-asc">Price: Low to High</option>
              <option value="price-desc">Price: High to Low</option>
              <option value="newest">Newest</option>
              <option value="rating">Best Rating</option>
            </select>
            <span class="showing-count" id="showingCount">Showing 12 of 48 products</span>
          </div>
        </div>

        <!-- Product Grid -->
        <div class="product-grid" id="productGrid">
          <div class="product-card" data-brand="sony" data-price="349" data-rating="4.8" data-stock="true" data-date="2026-03-10">
            <div class="product-img" style="background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);">
              <span class="badge badge-new">New</span>
            </div>
            <div class="product-info">
              <span class="product-brand">Sony</span>
              <h3 class="product-name">WH-1000XM6 Wireless</h3>
              <div class="product-rating"><span class="stars-display" data-rating="4.8">&#9733;&#9733;&#9733;&#9733;&#9733;</span><span class="rating-num">4.8</span></div>
              <div class="product-price">
                <span class="price-current">$349.99</span>
              </div>
              <button class="add-to-cart">Add to Cart</button>
            </div>
          </div>

          <div class="product-card" data-brand="bose" data-price="279" data-rating="4.6" data-stock="true" data-date="2026-02-28">
            <div class="product-img" style="background: linear-gradient(135deg, #2d3436 0%, #636e72 100%);">
            </div>
            <div class="product-info">
              <span class="product-brand">Bose</span>
              <h3 class="product-name">QuietComfort Ultra</h3>
              <div class="product-rating"><span class="stars-display" data-rating="4.6">&#9733;&#9733;&#9733;&#9733;&#9733;</span><span class="rating-num">4.6</span></div>
              <div class="product-price">
                <span class="price-current">$279.00</span>
              </div>
              <button class="add-to-cart">Add to Cart</button>
            </div>
          </div>

          <div class="product-card" data-brand="apple" data-price="549" data-rating="4.7" data-stock="true" data-date="2026-03-15">
            <div class="product-img" style="background: linear-gradient(135deg, #f5f5f7 0%, #d2d2d7 100%);">
              <span class="badge badge-new">New</span>
            </div>
            <div class="product-info">
              <span class="product-brand">Apple</span>
              <h3 class="product-name">AirPods Max 2nd Gen</h3>
              <div class="product-rating"><span class="stars-display" data-rating="4.7">&#9733;&#9733;&#9733;&#9733;&#9733;</span><span class="rating-num">4.7</span></div>
              <div class="product-price">
                <span class="price-current">$549.00</span>
              </div>
              <button class="add-to-cart">Add to Cart</button>
            </div>
          </div>

          <div class="product-card" data-brand="samsung" data-price="149" data-rating="4.3" data-stock="true" data-date="2026-01-20">
            <div class="product-img" style="background: linear-gradient(135deg, #0f4c75 0%, #3282b8 100%);">
            </div>
            <div class="product-info">
              <span class="product-brand">Samsung</span>
              <h3 class="product-name">Galaxy Buds3 Pro</h3>
              <div class="product-rating"><span class="stars-display" data-rating="4.3">&#9733;&#9733;&#9733;&#9733;&#9734;</span><span class="rating-num">4.3</span></div>
              <div class="product-price">
                <span class="price-original">$199.99</span>
                <span class="price-current price-sale">$149.99</span>
              </div>
              <button class="add-to-cart">Add to Cart</button>
            </div>
          </div>

          <div class="product-card" data-brand="jbl" data-price="99" data-rating="4.2" data-stock="true" data-date="2026-02-10">
            <div class="product-img" style="background: linear-gradient(135deg, #ff6b35 0%, #f7c59f 100%);">
            </div>
            <div class="product-info">
              <span class="product-brand">JBL</span>
              <h3 class="product-name">Tune 770NC Wireless</h3>
              <div class="product-rating"><span class="stars-display" data-rating="4.2">&#9733;&#9733;&#9733;&#9733;&#9734;</span><span class="rating-num">4.2</span></div>
              <div class="product-price">
                <span class="price-current">$99.95</span>
              </div>
              <button class="add-to-cart">Add to Cart</button>
            </div>
          </div>

          <div class="product-card" data-brand="sennheiser" data-price="299" data-rating="4.9" data-stock="true" data-date="2026-03-05">
            <div class="product-img" style="background: linear-gradient(135deg, #2c3e50 0%, #4ca1af 100%);">
            </div>
            <div class="product-info">
              <span class="product-brand">Sennheiser</span>
              <h3 class="product-name">Momentum 4 Wireless</h3>
              <div class="product-rating"><span class="stars-display" data-rating="4.9">&#9733;&#9733;&#9733;&#9733;&#9733;</span><span class="rating-num">4.9</span></div>
              <div class="product-price">
                <span class="price-current">$299.95</span>
              </div>
              <button class="add-to-cart">Add to Cart</button>
            </div>
          </div>

          <div class="product-card" data-brand="sony" data-price="128" data-rating="4.4" data-stock="false" data-date="2025-12-15">
            <div class="product-img" style="background: linear-gradient(135deg, #232526 0%, #414345 100%);">
              <span class="badge badge-out">Out of Stock</span>
            </div>
            <div class="product-info">
              <span class="product-brand">Sony</span>
              <h3 class="product-name">WF-1000XM5 Earbuds</h3>
              <div class="product-rating"><span class="stars-display" data-rating="4.4">&#9733;&#9733;&#9733;&#9733;&#9734;</span><span class="rating-num">4.4</span></div>
              <div class="product-price">
                <span class="price-current">$128.00</span>
              </div>
              <button class="add-to-cart" disabled>Out of Stock</button>
            </div>
          </div>

          <div class="product-card" data-brand="bose" data-price="199" data-rating="4.5" data-stock="true" data-date="2026-01-08">
            <div class="product-img" style="background: linear-gradient(135deg, #434343 0%, #000000 100%);">
            </div>
            <div class="product-info">
              <span class="product-brand">Bose</span>
              <h3 class="product-name">Sport Open Earbuds</h3>
              <div class="product-rating"><span class="stars-display" data-rating="4.5">&#9733;&#9733;&#9733;&#9733;&#9733;</span><span class="rating-num">4.5</span></div>
              <div class="product-price">
                <span class="price-original">$249.00</span>
                <span class="price-current price-sale">$199.00</span>
              </div>
              <button class="add-to-cart">Add to Cart</button>
            </div>
          </div>

          <div class="product-card" data-brand="apple" data-price="179" data-rating="4.6" data-stock="true" data-date="2026-02-20">
            <div class="product-img" style="background: linear-gradient(135deg, #e8e8ed 0%, #c7c7cc 100%);">
            </div>
            <div class="product-info">
              <span class="product-brand">Apple</span>
              <h3 class="product-name">AirPods Pro 3rd Gen</h3>
              <div class="product-rating"><span class="stars-display" data-rating="4.6">&#9733;&#9733;&#9733;&#9733;&#9733;</span><span class="rating-num">4.6</span></div>
              <div class="product-price">
                <span class="price-current">$179.00</span>
              </div>
              <button class="add-to-cart">Add to Cart</button>
            </div>
          </div>

          <div class="product-card" data-brand="jbl" data-price="49" data-rating="3.9" data-stock="true" data-date="2025-11-30">
            <div class="product-img" style="background: linear-gradient(135deg, #e55d87 0%, #5fc3e4 100%);">
            </div>
            <div class="product-info">
              <span class="product-brand">JBL</span>
              <h3 class="product-name">Tune 510BT On-Ear</h3>
              <div class="product-rating"><span class="stars-display" data-rating="3.9">&#9733;&#9733;&#9733;&#9733;&#9734;</span><span class="rating-num">3.9</span></div>
              <div class="product-price">
                <span class="price-original">$69.95</span>
                <span class="price-current price-sale">$49.95</span>
              </div>
              <button class="add-to-cart">Add to Cart</button>
            </div>
          </div>

          <div class="product-card" data-brand="sennheiser" data-price="89" data-rating="4.1" data-stock="true" data-date="2026-01-15">
            <div class="product-img" style="background: linear-gradient(135deg, #373b44 0%, #4286f4 100%);">
            </div>
            <div class="product-info">
              <span class="product-brand">Sennheiser</span>
              <h3 class="product-name">HD 560S Open-Back</h3>
              <div class="product-rating"><span class="stars-display" data-rating="4.1">&#9733;&#9733;&#9733;&#9733;&#9734;</span><span class="rating-num">4.1</span></div>
              <div class="product-price">
                <span class="price-current">$89.95</span>
              </div>
              <button class="add-to-cart">Add to Cart</button>
            </div>
          </div>

          <div class="product-card" data-brand="samsung" data-price="29" data-rating="3.5" data-stock="false" data-date="2025-10-01">
            <div class="product-img" style="background: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);">
              <span class="badge badge-out">Out of Stock</span>
            </div>
            <div class="product-info">
              <span class="product-brand">Samsung</span>
              <h3 class="product-name">Galaxy Buds FE</h3>
              <div class="product-rating"><span class="stars-display" data-rating="3.5">&#9733;&#9733;&#9733;&#9734;&#9734;</span><span class="rating-num">3.5</span></div>
              <div class="product-price">
                <span class="price-original">$49.99</span>
                <span class="price-current price-sale">$29.99</span>
              </div>
              <button class="add-to-cart" disabled>Out of Stock</button>
            </div>
          </div>
        </div>

        <!-- Pagination -->
        <nav class="pagination" id="pagination" aria-label="Pagination">
          <button class="page-btn prev" disabled aria-label="Previous">&larr;</button>
          <button class="page-btn active" data-page="1">1</button>
          <button class="page-btn" data-page="2">2</button>
          <button class="page-btn" data-page="3">3</button>
          <button class="page-btn" data-page="4">4</button>
          <button class="page-btn next" aria-label="Next">&rarr;</button>
        </nav>
      </main>
    </div>
  </div>

  <script src="script.js"></script>
</body>
</html>

Shop Category Page

A full e-commerce category listing page with product grid, comprehensive filter sidebar, sort options, and pagination.

Features

Breadcrumb — Home > Electronics > Headphones
Filter sidebar — Price range slider, Brand checkboxes, Rating stars filter, Availability toggle
Sort dropdown — Featured, Price: Low to High, Price: High to Low, Newest, Best Rating
Product grid — cards with image, title, price, rating stars, Add to Cart button
Grid/List view toggle — switch between grid and list layouts
Active filters — pills showing applied filters with remove button
Result count — “Showing 12 of 48 products”

When to use it

E-commerce category / shop page
Product catalog browse page
Marketplace listing page