Bootstrap 5 To-Do List with Filters and Progress

<section class="wdw-stage">
  <div class="container" style="max-width: 580px;">
    <div class="wdw-card overflow-hidden" id="todo">
      <div class="p-4 p-md-5 pb-3 pb-md-4">
        <div class="d-flex align-items-start justify-content-between gap-3 mb-4">
          <div>
            <span class="wdw-eyebrow">Today</span>
            <h2 class="wdw-heading h3 mb-0">To-do list</h2>
          </div>
          <span class="badge rounded-pill text-bg-primary fs-6 px-3 py-2" id="todo-count">2 left</span>
        </div>
        <div class="d-flex align-items-center gap-3 mb-4">
          <div class="progress flex-grow-1" style="height: 8px;" role="progressbar" aria-label="Completed tasks" aria-valuemin="0" aria-valuemax="100" aria-valuenow="33" id="todo-progress">
            <div class="progress-bar" id="todo-bar" style="width: 33%"></div>
          </div>
          <span class="small fw-semibold text-body-secondary text-nowrap" id="todo-stat">1 of 3 done</span>
        </div>
        <form class="input-group input-group-lg" id="todo-form">
          <label for="todo-input" class="visually-hidden">New task</label>
          <input type="text" class="form-control" id="todo-input" placeholder="Add a new task" autocomplete="off" required>
          <button class="btn btn-primary px-4" type="submit">Add</button>
        </form>
      </div>
      <div class="px-4 px-md-5 pb-3">
        <div class="nav nav-pills gap-1" id="todo-filter" role="group" aria-label="Filter tasks">
          <button type="button" class="nav-link rounded-pill py-1 px-3 active" data-filter="all" aria-pressed="true">All</button>
          <button type="button" class="nav-link rounded-pill py-1 px-3" data-filter="active" aria-pressed="false">Active</button>
          <button type="button" class="nav-link rounded-pill py-1 px-3" data-filter="done" aria-pressed="false">Done</button>
        </div>
      </div>
      <ul class="list-group list-group-flush" id="todo-list">
        <li class="list-group-item d-flex align-items-center gap-3 px-4 px-md-5 py-3">
          <label class="d-flex align-items-center gap-3 flex-grow-1 todo-row">
            <input class="form-check-input m-0 todo-check" type="checkbox">
            <span class="flex-grow-1"><span class="todo-text d-block">Go to maths class</span><span class="badge bg-primary-subtle text-primary-emphasis rounded-pill mt-1">Due 9:00</span></span>
          </label>
          <button type="button" class="btn btn-sm btn-outline-secondary border-0 todo-del" aria-label="Delete Go to maths class"><svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M3 6h18M8 6V4h8v2m-9 0 1 14h8l1-14"/></svg></button>
        </li>
        <li class="list-group-item d-flex align-items-center gap-3 px-4 px-md-5 py-3">
          <label class="d-flex align-items-center gap-3 flex-grow-1 todo-row">
            <input class="form-check-input m-0 todo-check" type="checkbox">
            <span class="flex-grow-1"><span class="todo-text d-block">Buy new clothes</span><span class="badge bg-primary-subtle text-primary-emphasis rounded-pill mt-1">Errand</span></span>
          </label>
          <button type="button" class="btn btn-sm btn-outline-secondary border-0 todo-del" aria-label="Delete Buy new clothes"><svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M3 6h18M8 6V4h8v2m-9 0 1 14h8l1-14"/></svg></button>
        </li>
        <li class="list-group-item d-flex align-items-center gap-3 px-4 px-md-5 py-3">
          <label class="d-flex align-items-center gap-3 flex-grow-1 todo-row">
            <input class="form-check-input m-0 todo-check" type="checkbox" checked>
            <span class="flex-grow-1"><span class="todo-text d-block">Visit George</span><span class="badge bg-primary-subtle text-primary-emphasis rounded-pill mt-1">Friends</span></span>
          </label>
          <button type="button" class="btn btn-sm btn-outline-secondary border-0 todo-del" aria-label="Delete Visit George"><svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M3 6h18M8 6V4h8v2m-9 0 1 14h8l1-14"/></svg></button>
        </li>
      </ul>
      <p class="text-center wdw-muted small py-4 mb-0 d-none" id="todo-empty">Nothing here. Enjoy the quiet.</p>
      <p class="visually-hidden" id="todo-status" role="status" aria-live="polite"></p>
    </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 */
#todo .todo-check { width: 1.6rem; height: 1.6rem; border-radius: 50%; cursor: pointer; border: 2px solid var(--bs-secondary-color); flex: none; }
#todo .todo-row { cursor: pointer; font-size: 1.125rem; font-weight: 500; color: var(--bs-emphasis-color); min-height: 44px; }
#todo .todo-check:checked ~ span .todo-text { text-decoration: line-through; color: var(--bs-secondary-color); }
#todo .todo-del { opacity: .65; width: 44px; height: 44px; padding: 0; flex: none; border-radius: .75rem; }
#todo .todo-del:hover, #todo .todo-del:focus-visible { opacity: 1; color: var(--bs-danger); }
#todo .list-group-item { transition: background-color .15s; }
#todo .list-group-item:hover { background: var(--bs-tertiary-bg); }
#todo .nav-link { font-size: .875rem; font-weight: 600; min-height: 36px; }
#todo .progress-bar { transition: width .3s ease; }

(function () {
  function initTodo() {
    var root = document.getElementById('todo');
    if (!root) return;
    var list = root.querySelector('#todo-list');
    var form = root.querySelector('#todo-form');
    var input = root.querySelector('#todo-input');
    var count = root.querySelector('#todo-count');
    var stat = root.querySelector('#todo-stat');
    var status = root.querySelector('#todo-status');
    var bar = root.querySelector('#todo-bar');
    var progress = root.querySelector('#todo-progress');
    var empty = root.querySelector('#todo-empty');
    var filter = 'all';
    var icon = root.querySelector('.todo-del').innerHTML;

    function update() {
      var items = list.querySelectorAll('li');
      var done = 0;
      var visible = 0;
      items.forEach(function (li) {
        var checked = li.querySelector('.todo-check').checked;
        if (checked) done++;
        var show = filter === 'all' || (filter === 'done' ? checked : !checked);
        li.classList.toggle('d-none', !show);
        if (show) visible++;
      });
      var pct = items.length ? Math.round((done / items.length) * 100) : 0;
      count.textContent = (items.length - done) + ' left';
      stat.textContent = done + ' of ' + items.length + ' done';
      bar.style.width = pct + '%';
      progress.setAttribute('aria-valuenow', pct);
      empty.classList.toggle('d-none', visible > 0);
    }
    function say(msg) { status.textContent = msg; }

    form.addEventListener('submit', function (e) {
      e.preventDefault();
      var text = input.value.trim();
      if (!text) return;
      var li = document.createElement('li');
      li.className = 'list-group-item d-flex align-items-center gap-3 px-4 px-md-5 py-3';
      li.innerHTML = '<label class="d-flex align-items-center gap-3 flex-grow-1 todo-row"><input class="form-check-input m-0 todo-check" type="checkbox"><span class="flex-grow-1"><span class="todo-text d-block"></span><span class="badge bg-primary-subtle text-primary-emphasis rounded-pill mt-1">New</span></span></label><button type="button" class="btn btn-sm btn-outline-secondary border-0 todo-del">' + icon + '</button>';
      li.querySelector('.todo-text').textContent = text;
      li.querySelector('.todo-del').setAttribute('aria-label', 'Delete ' + text);
      list.prepend(li);
      input.value = '';
      input.focus();
      update();
      say('Added ' + text);
    });

    list.addEventListener('change', update);
    list.addEventListener('click', function (e) {
      var del = e.target.closest('.todo-del');
      if (!del) return;
      var name = del.closest('li').querySelector('.todo-text').textContent;
      del.closest('li').remove();
      update();
      input.focus();
      say('Deleted ' + name);
    });

    root.querySelector('#todo-filter').addEventListener('click', function (e) {
      var btn = e.target.closest('[data-filter]');
      if (!btn) return;
      filter = btn.dataset.filter;
      root.querySelectorAll('[data-filter]').forEach(function (b) {
        b.classList.toggle('active', b === btn);
        b.setAttribute('aria-pressed', b === btn);
      });
      update();
    });
    update();
  }
  initTodo();
})();