Bootstrap 5 Ecommerce Search Form with Suggestions

<section class="wdw-stage">
  <div class="container" style="max-width: 720px">
    <div class="text-center mb-4">
      <span class="wdw-eyebrow">Shop the season</span>
      <h1 class="wdw-heading display-6 mt-2 mb-2">What are you looking for?</h1>
      <p class="wdw-muted mb-0">Search 12,000+ pieces across fashion, accessories and home.</p>
    </div>

    <form class="wdw-card p-3 p-md-4 position-relative" role="search" id="shopSearch" autocomplete="off">
      <label for="shopSearchInput" class="visually-hidden">Search the store</label>
      <div class="shop-search d-flex align-items-center gap-2 rounded-pill px-3">
        <svg class="flex-shrink-0 text-body-secondary" width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="11" cy="11" r="7"/><path d="m20 20-3.5-3.5"/></svg>
        <input id="shopSearchInput" class="shop-search-input flex-grow-1 border-0 bg-transparent" type="search" placeholder="Search the store…" role="combobox" aria-expanded="true" aria-controls="shopSuggest" aria-autocomplete="list" aria-activedescendant="">
        <button class="btn btn-primary rounded-pill px-4" type="submit">Search</button>
      </div>

      <div id="shopPanel" class="shop-panel mt-3">
        <div id="shopHead" class="d-flex justify-content-between align-items-center px-1 mb-2"><span class="wdw-eyebrow">Trending now</span><span class="small wdw-muted">Use ↑ ↓ to browse</span></div>
        <ul id="shopSuggest" class="list-unstyled shop-suggest m-0" role="listbox" aria-label="Suggested products">
        <li class="shop-opt" role="option" id="shopOpt0" aria-selected="false" data-v="Linen summer dress">
          <span class="shop-thumb flex-shrink-0 d-inline-flex align-items-center justify-content-center rounded-3 bg-body-secondary text-body-secondary"><svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M9 3h6l1 6-2 12h-4L8 9l1-6Z"/></svg></span>
          <span class="flex-grow-1 min-w-0"><span class="d-block fw-semibold text-body-emphasis shop-name">Linen summer dress</span><span class="d-block small wdw-muted">Ladies</span></span>
          <span class="fw-bold text-body-emphasis">$64</span>
        </li>
        <li class="shop-opt" role="option" id="shopOpt1" aria-selected="false" data-v="Leather court sneakers">
          <span class="shop-thumb flex-shrink-0 d-inline-flex align-items-center justify-content-center rounded-3 bg-body-secondary text-body-secondary"><svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M3 17v-3l5-2 3 2h4a6 6 0 0 1 6 3v0H3Z"/><path d="M3 17v2h18v-2"/></svg></span>
          <span class="flex-grow-1 min-w-0"><span class="d-block fw-semibold text-body-emphasis shop-name">Leather court sneakers</span><span class="d-block small wdw-muted">Mens</span></span>
          <span class="fw-bold text-body-emphasis">$98</span>
        </li>
        <li class="shop-opt" role="option" id="shopOpt2" aria-selected="false" data-v="Weekender tote bag">
          <span class="shop-thumb flex-shrink-0 d-inline-flex align-items-center justify-content-center rounded-3 bg-body-secondary text-body-secondary"><svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M5 8h14l1 13H4L5 8Z"/><path d="M9 8V6a3 3 0 0 1 6 0v2"/></svg></span>
          <span class="flex-grow-1 min-w-0"><span class="d-block fw-semibold text-body-emphasis shop-name">Weekender tote bag</span><span class="d-block small wdw-muted">Accessories</span></span>
          <span class="fw-bold text-body-emphasis">$82</span>
        </li>
        <li class="shop-opt" role="option" id="shopOpt3" aria-selected="false" data-v="Classic steel watch">
          <span class="shop-thumb flex-shrink-0 d-inline-flex align-items-center justify-content-center rounded-3 bg-body-secondary text-body-secondary"><svg width="22" height="22" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="12" r="5"/><path d="M9 7l.5-4h5L15 7M9 17l.5 4h5l.5-4M12 10v2l1.5 1"/></svg></span>
          <span class="flex-grow-1 min-w-0"><span class="d-block fw-semibold text-body-emphasis shop-name">Classic steel watch</span><span class="d-block small wdw-muted">Accessories</span></span>
          <span class="fw-bold text-body-emphasis">$129</span>
        </li>
        </ul>
        <p id="shopEmpty" class="small wdw-muted text-center my-3" hidden>No matches. Try “dress” or “watch”.</p>
      </div>

      <div class="d-flex flex-wrap align-items-center gap-2 mt-3 px-1">
        <span class="small wdw-muted me-1">Popular:</span>
        <button type="button" class="btn btn-sm rounded-pill bg-body-tertiary border-0 text-body shop-chip" data-term="New arrivals">New arrivals</button>
        <button type="button" class="btn btn-sm rounded-pill bg-body-tertiary border-0 text-body shop-chip" data-term="Ladies">Ladies</button>
        <button type="button" class="btn btn-sm rounded-pill bg-body-tertiary border-0 text-body shop-chip" data-term="Mens">Mens</button>
        <button type="button" class="btn btn-sm rounded-pill bg-body-tertiary border-0 text-body shop-chip" data-term="Accessories">Accessories</button>
        <button type="button" class="btn btn-sm rounded-pill bg-body-tertiary border-0 text-danger-emphasis shop-chip" data-term="Sale">Sale</button>
      </div>
    </form>
    <p id="shopSearchResult" class="text-center small wdw-muted mt-3 mb-0" aria-live="polite"></p>
  </div>
</section>

/* 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 */
.shop-search { background: var(--bs-tertiary-bg); border: 1px solid var(--bs-border-color); padding-block: .4rem; transition: box-shadow .15s, border-color .15s; }
.shop-search:focus-within { border-color: rgba(var(--bs-primary-rgb), .6); box-shadow: 0 0 0 .25rem var(--bs-focus-ring-color); }
.shop-search-input { min-height: 44px; outline: 0; min-width: 0; color: var(--bs-body-color); }
.shop-search-input::placeholder { color: var(--bs-secondary-color); }
.shop-suggest { border: 1px solid var(--bs-border-color-translucent); border-radius: 1rem; overflow: hidden; }
.shop-opt { display: flex; align-items: center; gap: .875rem; padding: .75rem 1rem; min-height: 64px; cursor: pointer; border-bottom: 1px solid var(--bs-border-color-translucent); }
.shop-opt:last-child { border-bottom: 0; }
.shop-opt[hidden] { display: none; }
.shop-opt:hover, .shop-opt[aria-selected="true"] { background: var(--bs-primary-bg-subtle); }
.shop-opt[aria-selected="true"] { box-shadow: inset 3px 0 0 var(--bs-primary); }
.shop-thumb { width: 48px; height: 48px; }
.min-w-0 { min-width: 0; }
.shop-suggest mark { background: none; color: var(--bs-primary); font-weight: 800; padding: 0; }
.shop-chip { min-height: 36px; }
.shop-chip:hover { background-color: var(--bs-secondary-bg) !important; }
@media (max-width: 480px) { .shop-search .btn { padding-inline: 1rem !important; } }

(function () {
  function initShopSearch() {
    var form = document.getElementById('shopSearch');
    if (!form) return;
    var input = document.getElementById('shopSearchInput');
    var panel = document.getElementById('shopPanel');
    var list = document.getElementById('shopSuggest');
    var head = document.getElementById('shopHead');
    var empty = document.getElementById('shopEmpty');
    var result = document.getElementById('shopSearchResult');
    var opts = Array.prototype.slice.call(list.querySelectorAll('[role="option"]'));
    var cur = -1;
    opts.forEach(function (o) { o.dataset.html = o.querySelector('.shop-name').textContent; });

    function visible() { return opts.filter(function (o) { return !o.hidden; }); }
    function setActive(i) {
      var v = visible();
      cur = v.length ? (i + v.length) % v.length : -1;
      opts.forEach(function (o) { o.setAttribute('aria-selected', 'false'); });
      if (cur > -1) {
        v[cur].setAttribute('aria-selected', 'true');
        input.setAttribute('aria-activedescendant', v[cur].id);
        v[cur].scrollIntoView({ block: 'nearest' });
      } else input.removeAttribute('aria-activedescendant');
    }
    function open() { panel.hidden = false; input.setAttribute('aria-expanded', 'true'); }
    function close() { panel.hidden = true; input.setAttribute('aria-expanded', 'false'); setActive(-1); }
    function render() {
      var q = input.value.trim().toLowerCase();
      opts.forEach(function (o) {
        var name = o.dataset.html, at = name.toLowerCase().indexOf(q);
        o.hidden = q && at < 0;
        var el = o.querySelector('.shop-name');
        if (q && at > -1) {
          el.textContent = '';
          el.append(name.slice(0, at));
          var m = document.createElement('mark');
          m.textContent = name.slice(at, at + q.length);
          el.append(m, name.slice(at + q.length));
        } else el.textContent = name;
      });
      var n = visible().length;
      empty.hidden = n > 0;
      head.querySelector('.wdw-eyebrow').textContent = q ? 'Suggestions' : 'Trending now';
      open();
      setActive(-1);
    }
    function submit(v) { result.textContent = v ? 'Showing results for “' + v + '”' : 'Type something to search.'; close(); }

    input.addEventListener('input', render);
    input.addEventListener('focus', function () { if (panel.hidden) render(); });
    input.addEventListener('keydown', function (e) {
      if (e.key === 'Escape') return close();
      if (e.key === 'ArrowDown' || e.key === 'ArrowUp') {
        e.preventDefault();
        if (panel.hidden) render();
        setActive(cur + (e.key === 'ArrowDown' ? 1 : -1));
      } else if (e.key === 'Enter' && cur > -1) {
        e.preventDefault();
        input.value = visible()[cur].dataset.v;
        submit(input.value);
      }
    });
    list.addEventListener('click', function (e) {
      var o = e.target.closest('[role="option"]');
      if (!o) return;
      input.value = o.dataset.v;
      submit(input.value);
    });
    form.addEventListener('submit', function (e) { e.preventDefault(); submit(input.value.trim()); });
    form.querySelectorAll('.shop-chip').forEach(function (c) {
      c.addEventListener('click', function () { input.value = c.dataset.term; submit(c.dataset.term); });
    });
    document.addEventListener('click', function (e) { if (!form.contains(e.target)) close(); });
  }
  initShopSearch();
})();