Bootstrap 5 Todo List with Filters and Progress Bar

<section class="wdw-stage">
  <div class="container" style="max-width: 680px">
    <div class="wdw-card p-4 p-md-5">
      <div class="d-flex justify-content-between align-items-end mb-4">
        <div>
          <span class="wdw-eyebrow">Today</span>
          <h2 class="wdw-heading h3 mt-1 mb-0">Todo list</h2>
        </div>
        <span class="badge rounded-pill bg-primary-subtle px-3 py-2 text-primary-emphasis" id="tdCount" aria-live="polite">0 left</span>
      </div>

      <div class="progress mb-4" style="height: 6px" role="progressbar" aria-label="Completed tasks" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0" id="tdBar"><div class="progress-bar" style="width:0"></div></div>

      <form class="d-flex gap-2 mb-3" id="tdForm">
        <label for="tdInput" class="visually-hidden">New task</label>
        <input type="text" class="form-control rounded-pill ps-4" id="tdInput" placeholder="Add a task for today" autocomplete="off">
        <button class="btn btn-primary rounded-pill px-4" type="submit">Add</button>
      </form>

      <ul class="nav nav-pills gap-1 mb-3" id="tdFilter" aria-label="Filter tasks">
        <li class="nav-item"><button type="button" class="nav-link rounded-pill active " data-filter="all">All <span class="td-n" data-n="all">0</span></button></li>
        <li class="nav-item"><button type="button" class="nav-link rounded-pill " data-filter="open">Open <span class="td-n" data-n="open">0</span></button></li>
        <li class="nav-item"><button type="button" class="nav-link rounded-pill " data-filter="done">Done <span class="td-n" data-n="done">0</span></button></li>
      </ul>

      <ul class="list-group list-group-flush td-list" id="tdList"></ul>
      <div class="text-center wdw-muted py-4 d-none" id="tdEmpty"><span class="wdw-icon d-inline-grid mb-2" style="width:48px;height:48px"><svg viewBox="0 0 24 24" width="24" height="24" fill="none" stroke="currentColor" stroke-width="1.75" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><circle cx="12" cy="12" r="9"/><path d="m8 12.5 3 3 5-6"/></svg></span><p class="mb-0">Nothing here. Enjoy the quiet.</p></div>
    </div>
  </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 */
.td-list .list-group-item { display: flex; align-items: center; gap: .875rem; background: transparent; padding: .75rem .25rem; min-height: 52px; }
.td-list .form-check-input { width: 1.4rem; height: 1.4rem; margin: 0; flex: none; border-radius: 50%; cursor: pointer; border-color: var(--bs-secondary-color); border-width: 1.5px; }
.td-text { flex: 1; min-width: 0; overflow-wrap: anywhere; cursor: pointer; margin: 0; color: var(--bs-emphasis-color); transition: color .2s; }
.td-item.is-done .td-text { color: var(--bs-secondary-color); text-decoration: line-through; }
.td-del { flex: none; width: 44px; height: 44px; display: grid; place-items: center; border: 0; border-radius: 50%; background: transparent; color: var(--bs-secondary-color); opacity: .6; transition: all .15s; }
.td-del:hover, .td-del:focus-visible { background: var(--bs-danger-bg-subtle); color: var(--bs-danger-text-emphasis); opacity: 1; }
.td-item { animation: tdIn .25s ease; }
@keyframes tdIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
#tdFilter .nav-link { color: var(--bs-secondary-color); font-weight: 600; font-size: .875rem; }
#tdFilter .nav-link.active { color: #fff; }
[data-bs-theme="dark"] #tdFilter .nav-link.active { color: #0f1117; }
@media (prefers-reduced-motion: reduce) { .td-item { animation: none; } }
#tdFilter .nav-link { display: inline-flex; align-items: center; gap: .4rem; min-height: 40px; padding-inline: 1rem; }
@media (max-width: 575.98px) { #tdFilter .nav-link { min-height: 44px; } }
.td-n { display: inline-block; min-width: 1.4rem; padding: 0 .4rem; border-radius: 1rem; background: var(--bs-secondary-bg); color: var(--bs-body-color); font-size: .75rem; line-height: 1.4rem; text-align: center; }
#tdFilter .nav-link.active .td-n { background: rgba(255,255,255,.25); color: inherit; }
[data-bs-theme="dark"] #tdFilter .nav-link.active .td-n { background: rgba(15,17,23,.2); }

(function () {
  function initTodo() {
    var list = document.getElementById('tdList'), form = document.getElementById('tdForm');
    var input = document.getElementById('tdInput'), count = document.getElementById('tdCount');
    var bar = document.getElementById('tdBar'), empty = document.getElementById('tdEmpty'), filters = document.getElementById('tdFilter');
    if (!list || !form || !input) return;
    var filter = 'all', uid = 0;
    var X = '<svg viewBox="0 0 24 24" width="18" height="18" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" aria-hidden="true"><path d="M6 6l12 12M18 6 6 18"/></svg>';

    function add(text, done) {
      var id = 'td' + (++uid);
      var li = document.createElement('li');
      li.className = 'list-group-item td-item' + (done ? ' is-done' : '');
      li.innerHTML = '<input class="form-check-input" type="checkbox" id="' + id + '"><label class="td-text" for="' + id + '"></label><button type="button" class="td-del">' + X + '</button>';
      li.querySelector('label').textContent = text;
      li.querySelector('input').checked = !!done;
      li.querySelector('button').setAttribute('aria-label', 'Delete task: ' + text);
      list.prepend(li);
    }
    function update() {
      var items = list.querySelectorAll('.td-item'), done = 0, shown = 0;
      items.forEach(function (li) {
        var d = li.classList.contains('is-done');
        if (d) done++;
        var show = filter === 'all' || (filter === 'done') === d;
        li.hidden = !show;
        if (show) shown++;
      });
      var left = items.length - done;
      count.textContent = left + ' left';
      var pct = items.length ? Math.round(done / items.length * 100) : 0;
      bar.firstElementChild.style.width = pct + '%';
      bar.setAttribute('aria-valuenow', pct);
      empty.classList.toggle('d-none', shown > 0);
      var n = { all: items.length, open: left, done: done };
      filters.querySelectorAll('[data-n]').forEach(function (s) { s.textContent = n[s.dataset.n]; });
    }
    form.addEventListener('submit', function (e) {
      e.preventDefault();
      var v = input.value.trim();
      if (!v) { input.focus(); return; }
      add(v, false); input.value = ''; update();
    });
    list.addEventListener('change', function (e) {
      if (e.target.matches('input')) { e.target.closest('.td-item').classList.toggle('is-done', e.target.checked); update(); }
    });
    list.addEventListener('click', function (e) {
      var b = e.target.closest('.td-del');
      if (b) { b.closest('.td-item').remove(); update(); input.focus(); }
    });
    filters.addEventListener('click', function (e) {
      var b = e.target.closest('[data-filter]');
      if (!b) return;
      filter = b.dataset.filter;
      filters.querySelectorAll('.nav-link').forEach(function (n) { n.classList.toggle('active', n === b); });
      update();
    });
    [['Print bills', false], ['Call Rambo about the contract', true], ['Review the business content plan', false], ['Book a table for the team lunch', false], ['Send monthly statements', true]].reverse().forEach(function (t) { add(t[0], t[1]); });
    update();
  }
  initTodo();
})();