Bootstrap 5 E-commerce Product Category Page with Filters

<div class="pc-page bg-body-tertiary min-vh-100">
  <nav class="navbar bg-body border-bottom">
    <div class="container-xl gap-2 flex-wrap flex-md-nowrap">
      <a class="navbar-brand fw-bold me-2 text-body-emphasis" href="#">The<span class="text-primary">Bakeshop</span></a>
      <form class="flex-grow-1 mx-md-4 order-last order-md-0 w-100" role="search" style="max-width:420px" onsubmit="return false">
        <label for="pc-search" class="visually-hidden">Search products</label>
        <input id="pc-search" type="search" class="form-control rounded-pill bg-body-tertiary border-0 px-3" placeholder="Search bread, pastries...">
      </form>
      <button type="button" class="btn btn-outline-primary rounded-pill ms-auto d-lg-none" data-bs-toggle="offcanvas" data-bs-target="#pc-filters" aria-controls="pc-filters">Filters</button>
      <button type="button" class="btn btn-primary rounded-pill position-relative" aria-label="Cart">
        <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M6 6h15l-1.5 9h-12z"/><path d="M6 6L5 3H2"/><circle cx="9" cy="20" r="1"/><circle cx="18" cy="20" r="1"/></svg>
        <span class="badge text-bg-light rounded-pill" id="pc-count">0</span>
      </button>
    </div>
  </nav>
  <div class="container-xl py-4">
    <nav aria-label="breadcrumb"><ol class="breadcrumb small mb-3"><li class="breadcrumb-item"><a href="#" class="link-underline-opacity-0">Home</a></li><li class="breadcrumb-item active" aria-current="page">All breads</li></ol></nav>
    <div class="row gx-lg-4 gy-0">
      <aside class="col-lg-3">
        <div class="offcanvas-lg offcanvas-start" tabindex="-1" id="pc-filters" aria-labelledby="pc-filters-title">
          <div class="offcanvas-header">
            <h2 class="offcanvas-title h5" id="pc-filters-title">Filters</h2>
            <button type="button" class="btn-close" data-bs-dismiss="offcanvas" data-bs-target="#pc-filters" aria-label="Close"></button>
          </div>
          <div class="offcanvas-body d-block">
            <div class="wdw-card-sm p-4 w-100">
              <h2 class="h5 fw-bold mb-4">Filters</h2>
          <div class="mb-4">
            <h3 class="h6 fw-bold mb-3">Category</h3>
            <div class="form-check mb-2"><input class="form-check-input pc-cat" type="checkbox" value="breads" id="f-breads"><label class="form-check-label" for="f-breads">Artisan breads</label></div>
            <div class="form-check mb-2"><input class="form-check-input pc-cat" type="checkbox" value="pastries" id="f-pastries"><label class="form-check-label" for="f-pastries">Pastries & baskets</label></div>
          </div>
          <div class="mb-4">
            <h3 class="h6 fw-bold mb-3">Offers</h3>
            <div class="form-check form-switch"><input class="form-check-input" type="checkbox" role="switch" id="f-offer"><label class="form-check-label" for="f-offer">Deals & staff picks</label></div>
          </div>
          <button type="button" class="btn btn-outline-primary btn-sm rounded-pill w-100" id="pc-reset">Clear filters</button>
            </div>
          </div>
        </div>
      </aside>
      <main class="col-lg-9">
        <div class="d-flex align-items-center justify-content-between gap-3 mb-3 flex-wrap">
          <p class="mb-0 small wdw-muted" id="pc-result" role="status" aria-live="polite">Showing 6 results</p>
          <div class="d-flex align-items-center gap-2">
            <label for="pc-sort" class="small wdw-muted text-nowrap">Sort by</label>
            <select id="pc-sort" class="form-select form-select-sm rounded-pill" style="min-width:150px">
              <option value="pop">Popularity</option><option value="low">Price: low to high</option><option value="high">Price: high to low</option>
            </select>
          </div>
        </div>
        <div class="row g-3 g-md-4" id="pc-grid">
        <div class="col-6 col-xl-4 pc-item" data-cat="breads" data-offer="1" data-name="seeded rye loaf" data-price="6.5" data-pop="6">
          <article class="card h-100 border-0 wdw-card-sm overflow-hidden">
            <div class="position-relative">
              <img src="https://images.unsplash.com/photo-1509440159596-0249088772ff?auto=format&fit=crop&w=640&h=480&q=70" class="card-img-top pc-img" alt="Seeded Rye Loaf" loading="lazy">
              <span class="badge text-bg-dark rounded-pill position-absolute top-0 start-0 m-3">Staff pick</span>
            </div>
            <div class="card-body d-flex flex-column p-3 p-md-4">
              <h3 class="h6 fw-bold mb-1">Seeded Rye Loaf</h3>
              <p class="small wdw-muted mb-3 flex-grow-1">Dark rye with sunflower and flax seeds.</p>
              <div class="d-flex align-items-center justify-content-between gap-2 flex-wrap">
                <div><span class="fw-bold fs-5">$6.50</span><span class="small wdw-muted"> / loaf</span></div>
                <button type="button" class="btn btn-sm btn-primary rounded-pill pc-add" aria-label="Add Seeded Rye Loaf to cart">Add</button>
              </div>
            </div>
          </article>
        </div>
        <div class="col-6 col-xl-4 pc-item" data-cat="pastries" data-offer="1" data-name="butter croissant" data-price="3.2" data-pop="5">
          <article class="card h-100 border-0 wdw-card-sm overflow-hidden">
            <div class="position-relative">
              <img src="https://images.unsplash.com/photo-1555507036-ab1f4038808a?auto=format&fit=crop&w=640&h=480&q=70" class="card-img-top pc-img" alt="Butter Croissant" loading="lazy">
              <span class="badge text-bg-danger rounded-pill position-absolute top-0 start-0 m-3">-15%</span>
            </div>
            <div class="card-body d-flex flex-column p-3 p-md-4">
              <h3 class="h6 fw-bold mb-1">Butter Croissant</h3>
              <p class="small wdw-muted mb-3 flex-grow-1">Laminated, flaky and baked every morning.</p>
              <div class="d-flex align-items-center justify-content-between gap-2 flex-wrap">
                <div><span class="fw-bold fs-5">$3.20</span> <s class="small wdw-muted">$3.80</s><span class="small wdw-muted"> / piece</span></div>
                <button type="button" class="btn btn-sm btn-primary rounded-pill pc-add" aria-label="Add Butter Croissant to cart">Add</button>
              </div>
            </div>
          </article>
        </div>
        <div class="col-6 col-xl-4 pc-item" data-cat="breads" data-offer="0" data-name="sliced sourdough" data-price="7.4" data-pop="4">
          <article class="card h-100 border-0 wdw-card-sm overflow-hidden">
            <div class="position-relative">
              <img src="https://images.unsplash.com/photo-1549931319-a545dcf3bc73?auto=format&fit=crop&w=640&h=480&q=70" class="card-img-top pc-img" alt="Sliced Sourdough" loading="lazy">
              
            </div>
            <div class="card-body d-flex flex-column p-3 p-md-4">
              <h3 class="h6 fw-bold mb-1">Sliced Sourdough</h3>
              <p class="small wdw-muted mb-3 flex-grow-1">48-hour ferment, sliced and ready to toast.</p>
              <div class="d-flex align-items-center justify-content-between gap-2 flex-wrap">
                <div><span class="fw-bold fs-5">$7.40</span><span class="small wdw-muted"> / loaf</span></div>
                <button type="button" class="btn btn-sm btn-primary rounded-pill pc-add" aria-label="Add Sliced Sourdough to cart">Add</button>
              </div>
            </div>
          </article>
        </div>
        <div class="col-6 col-xl-4 pc-item" data-cat="breads" data-offer="1" data-name="country boule" data-price="8.0" data-pop="3">
          <article class="card h-100 border-0 wdw-card-sm overflow-hidden">
            <div class="position-relative">
              <img src="https://images.unsplash.com/photo-1586444248902-2f64eddc13df?auto=format&fit=crop&w=640&h=480&q=70" class="card-img-top pc-img" alt="Country Boule" loading="lazy">
              <span class="badge text-bg-dark rounded-pill position-absolute top-0 start-0 m-3">Staff pick</span>
            </div>
            <div class="card-body d-flex flex-column p-3 p-md-4">
              <h3 class="h6 fw-bold mb-1">Country Boule</h3>
              <p class="small wdw-muted mb-3 flex-grow-1">Crackly crust with an open, chewy crumb.</p>
              <div class="d-flex align-items-center justify-content-between gap-2 flex-wrap">
                <div><span class="fw-bold fs-5">$8.00</span><span class="small wdw-muted"> / loaf</span></div>
                <button type="button" class="btn btn-sm btn-primary rounded-pill pc-add" aria-label="Add Country Boule to cart">Add</button>
              </div>
            </div>
          </article>
        </div>
        <div class="col-6 col-xl-4 pc-item" data-cat="pastries" data-offer="0" data-name="baker's basket" data-price="12.9" data-pop="2">
          <article class="card h-100 border-0 wdw-card-sm overflow-hidden">
            <div class="position-relative">
              <img src="https://images.unsplash.com/photo-1608198093002-ad4e005484ec?auto=format&fit=crop&w=640&h=480&q=70" class="card-img-top pc-img" alt="Baker's Basket" loading="lazy">
              
            </div>
            <div class="card-body d-flex flex-column p-3 p-md-4">
              <h3 class="h6 fw-bold mb-1">Baker's Basket</h3>
              <p class="small wdw-muted mb-3 flex-grow-1">An assortment of rolls, baguettes and buns.</p>
              <div class="d-flex align-items-center justify-content-between gap-2 flex-wrap">
                <div><span class="fw-bold fs-5">$12.90</span><span class="small wdw-muted"> / basket</span></div>
                <button type="button" class="btn btn-sm btn-primary rounded-pill pc-add" aria-label="Add Baker's Basket to cart">Add</button>
              </div>
            </div>
          </article>
        </div>
        <div class="col-6 col-xl-4 pc-item" data-cat="breads" data-offer="0" data-name="milk loaf" data-price="5.2" data-pop="1">
          <article class="card h-100 border-0 wdw-card-sm overflow-hidden">
            <div class="position-relative">
              <img src="https://images.unsplash.com/photo-1598373182133-52452f7691ef?auto=format&fit=crop&w=640&h=480&q=70" class="card-img-top pc-img" alt="Milk Loaf" loading="lazy">
              
            </div>
            <div class="card-body d-flex flex-column p-3 p-md-4">
              <h3 class="h6 fw-bold mb-1">Milk Loaf</h3>
              <p class="small wdw-muted mb-3 flex-grow-1">Soft, lightly sweet sandwich bread.</p>
              <div class="d-flex align-items-center justify-content-between gap-2 flex-wrap">
                <div><span class="fw-bold fs-5">$5.20</span><span class="small wdw-muted"> / loaf</span></div>
                <button type="button" class="btn btn-sm btn-primary rounded-pill pc-add" aria-label="Add Milk Loaf to cart">Add</button>
              </div>
            </div>
          </article>
        </div>
        </div>
        <p class="text-center wdw-muted py-5 d-none" id="pc-empty">No products match your filters.</p>
      </main>
    </div>
  </div>
</div>

/* Web Designer Wall library style — shared base for every Bootstrap 5 snippet.
   Indigo accent, Plus Jakarta Sans, soft cards, pill buttons. Works in light and dark. */
@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");

:root,
[data-bs-theme="light"] {
  --wdw-font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-font-family: var(--wdw-font);
  --bs-primary: #4f46e5;
  --bs-primary-rgb: 79, 70, 229;
  --bs-primary-text-emphasis: #3730a3;
  --bs-primary-bg-subtle: #eef2ff;
  --bs-primary-border-subtle: #c7d2fe;
  --bs-link-color: #4f46e5;
  --bs-link-color-rgb: 79, 70, 229;
  --bs-link-hover-color: #4338ca;
  --bs-link-hover-color-rgb: 67, 56, 202;
  --bs-focus-ring-color: rgba(79, 70, 229, 0.25);
  --bs-border-radius: 0.75rem;
  --bs-border-radius-lg: 1rem;
  --bs-border-radius-xl: 1.25rem;
  --wdw-radius-card: 1.25rem;
  --wdw-shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 16px 40px -16px rgba(16, 24, 40, 0.22);
  --wdw-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 12px -4px rgba(16, 24, 40, 0.12);
  --wdw-stage: #f5f6fb;
}

[data-bs-theme="dark"] {
  --bs-primary: #818cf8;
  --bs-primary-rgb: 129, 140, 248;
  --bs-primary-text-emphasis: #c7d2fe;
  --bs-primary-bg-subtle: rgba(129, 140, 248, 0.14);
  --bs-primary-border-subtle: rgba(129, 140, 248, 0.35);
  --bs-link-color: #a5b4fc;
  --bs-link-color-rgb: 165, 180, 252;
  --bs-link-hover-color: #c7d2fe;
  --bs-link-hover-color-rgb: 199, 210, 254;
  --bs-focus-ring-color: rgba(129, 140, 248, 0.35);
  --wdw-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 16px 40px -16px rgba(0, 0, 0, 0.7);
  --wdw-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 12px -4px rgba(0, 0, 0, 0.5);
  --wdw-stage: #0f1117;
}

body { font-family: var(--wdw-font); -webkit-font-smoothing: antialiased; }

/* Bootstrap compiles its blue into these components; point them at the accent. */
.btn-primary {
  --bs-btn-bg: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: #4338ca; --bs-btn-hover-border-color: #4338ca;
  --bs-btn-active-bg: #3730a3; --bs-btn-active-border-color: #3730a3;
  --bs-btn-disabled-bg: var(--bs-primary); --bs-btn-disabled-border-color: var(--bs-primary);
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
[data-bs-theme="dark"] .btn-primary { --bs-btn-color: #0f1117; --bs-btn-hover-bg: #a5b4fc; --bs-btn-hover-border-color: #a5b4fc; --bs-btn-hover-color: #0f1117; --bs-btn-active-color: #0f1117; }
.btn-outline-primary {
  --bs-btn-color: var(--bs-primary); --bs-btn-border-color: var(--bs-primary);
  --bs-btn-hover-bg: var(--bs-primary); --bs-btn-hover-border-color: var(--bs-primary);
  --bs-btn-active-bg: var(--bs-primary); --bs-btn-active-border-color: var(--bs-primary);
  --bs-btn-focus-shadow-rgb: var(--bs-primary-rgb);
}
.btn { --bs-btn-font-weight: 600; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: .5rem; }
.btn-sm { min-height: 36px; }
.form-control, .form-select { min-height: 44px; border-radius: .75rem; }
.form-control:focus, .form-select:focus, .form-check-input:focus { border-color: rgba(var(--bs-primary-rgb), .6); box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.form-check-input:checked { background-color: var(--bs-primary); border-color: var(--bs-primary); }
.nav-pills { --bs-nav-pills-link-active-bg: var(--bs-primary); }
.nav { --bs-nav-link-color: var(--bs-secondary-color); --bs-nav-link-hover-color: var(--bs-emphasis-color); }
.pagination { --bs-pagination-active-bg: var(--bs-primary); --bs-pagination-active-border-color: var(--bs-primary); --bs-pagination-color: var(--bs-body-color); --bs-pagination-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.progress, .progress-stacked { --bs-progress-bar-bg: var(--bs-primary); }
.list-group { --bs-list-group-active-bg: var(--bs-primary); --bs-list-group-active-border-color: var(--bs-primary); }
.dropdown-menu { --bs-dropdown-link-active-bg: var(--bs-primary); border-radius: .875rem; box-shadow: var(--wdw-shadow-sm); }
.accordion { --bs-accordion-active-bg: var(--bs-primary-bg-subtle); --bs-accordion-active-color: var(--bs-primary-text-emphasis); --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.badge { font-weight: 600; }

/* Library building blocks — use these instead of re-inventing them per snippet. */
.wdw-stage { min-height: 100vh; display: flex; align-items: center; background: var(--wdw-stage); padding-block: 3rem; }
.wdw-card { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: var(--wdw-radius-card); box-shadow: var(--wdw-shadow); }
.wdw-card-sm { background: var(--bs-body-bg); border: 1px solid var(--bs-border-color-translucent); border-radius: 1rem; box-shadow: var(--wdw-shadow-sm); }
.wdw-aurora { position: relative; color: #fff; background: radial-gradient(60% 55% at 100% 0, #818cf8 0, transparent 70%), radial-gradient(65% 60% at 0 100%, #ec4899 0, transparent 65%), #1e1b4b; }
.wdw-eyebrow { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--bs-primary); }
.wdw-heading { font-weight: 800; letter-spacing: -.02em; color: var(--bs-emphasis-color); }
.wdw-muted { color: var(--bs-secondary-color); }
.wdw-icon { width: 2.75rem; height: 2.75rem; flex: none; display: inline-flex; align-items: center; justify-content: center; border-radius: .875rem; background: var(--bs-primary-bg-subtle); color: var(--bs-primary); }

/* Component */
.pc-page .navbar { position: sticky; top: 0; z-index: 10; }
.pc-img { aspect-ratio: 4/3; object-fit: cover; transition: transform .4s ease; }
.pc-item article:hover .pc-img { transform: scale(1.04); }
.pc-item article { transition: transform .2s ease, box-shadow .2s ease; }
.pc-item article:hover { transform: translateY(-3px); box-shadow: var(--wdw-shadow); }
.pc-add.added { background: var(--bs-success); border-color: var(--bs-success); color: #fff; }
.pc-page .offcanvas-lg { --bs-offcanvas-width: 300px; }
@media (min-width: 992px) { .pc-page .offcanvas-body { padding: 0; overflow: visible; } }
@media (prefers-reduced-motion: reduce) { .pc-img, .pc-item article { transition: none; } }

(function () {
  function initShop() {
    var grid = document.getElementById('pc-grid');
    if (!grid) return;
    var items = Array.prototype.slice.call(grid.querySelectorAll('.pc-item'));
    var search = document.getElementById('pc-search');
    var sort = document.getElementById('pc-sort');
    var offer = document.getElementById('f-offer');
    var cats = document.querySelectorAll('.pc-cat');
    var result = document.getElementById('pc-result');
    var empty = document.getElementById('pc-empty');
    var count = document.getElementById('pc-count');
    var reset = document.getElementById('pc-reset');
    var cart = 0;

    function render() {
      var q = search.value.trim().toLowerCase();
      var active = Array.prototype.filter.call(cats, function (c) { return c.checked; }).map(function (c) { return c.value; });
      var shown = items.filter(function (el) {
        var ok = (!q || el.dataset.name.indexOf(q) > -1) &&
          (!active.length || active.indexOf(el.dataset.cat) > -1) &&
          (!offer.checked || el.dataset.offer === '1');
        el.classList.toggle('d-none', !ok);
        return ok;
      });
      var key = sort.value;
      shown.sort(function (a, b) {
        if (key === 'low') return a.dataset.price - b.dataset.price;
        if (key === 'high') return b.dataset.price - a.dataset.price;
        return b.dataset.pop - a.dataset.pop;
      }).forEach(function (el) { grid.appendChild(el); });
      result.textContent = 'Showing ' + shown.length + ' result' + (shown.length === 1 ? '' : 's');
      empty.classList.toggle('d-none', shown.length > 0);
    }

    [search, sort, offer].forEach(function (el) { el.addEventListener('input', render); });
    cats.forEach(function (c) { c.addEventListener('change', render); });
    if (reset) reset.addEventListener('click', function () {
      search.value = ''; offer.checked = false; sort.value = 'pop';
      cats.forEach(function (c) { c.checked = false; });
      render();
    });
    grid.addEventListener('click', function (e) {
      var btn = e.target.closest('.pc-add');
      if (!btn) return;
      count.textContent = ++cart;
      btn.textContent = 'Added';
      btn.classList.add('added');
      setTimeout(function () { btn.textContent = 'Add'; btn.classList.remove('added'); }, 1200);
    });
    render();
  }
  initShop();
})();