Bootstrap 5 Email Inbox Layout with Sidebar and Search

<section class="wdw-stage">
  <div class="container" style="max-width:1080px">
    <div class="wdw-card overflow-hidden">
      <div class="row g-0">
        <aside class="col-lg-3 p-3 p-lg-4 bg-body-tertiary mail-side">
          <h1 class="h4 wdw-heading d-flex align-items-center gap-2 mb-3"><span class="wdw-icon"><i class="bi bi-inbox" aria-hidden="true"></i></span>Inbox</h1>
          <button type="button" class="btn btn-primary rounded-pill w-100 mb-3"><i class="bi bi-pencil-square" aria-hidden="true"></i>New message</button>
          <div class="mail-folders-wrap"><nav class="nav nav-pills flex-lg-column flex-nowrap mail-folders" aria-label="Folders">
            <a class="nav-link active d-flex align-items-center gap-2" href="#" aria-current="page"><i class="bi bi-inbox" aria-hidden="true"></i>Inbox<span class="badge rounded-pill ms-auto mail-count">14</span></a>
            <a class="nav-link d-flex align-items-center gap-2" href="#"><i class="bi bi-star" aria-hidden="true"></i>Starred</a>
            <a class="nav-link d-flex align-items-center gap-2" href="#"><i class="bi bi-send" aria-hidden="true"></i>Sent</a>
            <a class="nav-link d-flex align-items-center gap-2" href="#"><i class="bi bi-file-earmark" aria-hidden="true"></i>Drafts</a>
            <a class="nav-link d-flex align-items-center gap-2" href="#"><i class="bi bi-exclamation-octagon" aria-hidden="true"></i>Spam<span class="badge rounded-pill ms-auto bg-secondary-subtle text-body-secondary">217</span></a>
          </nav></div>
        </aside>
        <div class="col-lg-9">
          <div class="d-flex flex-wrap align-items-center gap-2 p-3 border-bottom">
            <div class="form-check m-0 ms-1"><input class="form-check-input" type="checkbox" id="mailAll" aria-label="Select all"></div>
            <div class="dropdown">
              <button class="btn btn-outline-secondary btn-sm rounded-pill dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">Action</button>
              <ul class="dropdown-menu">
                <li><button class="dropdown-item" type="button" data-action="read">Mark as read</button></li>
                <li><button class="dropdown-item" type="button" data-action="unread">Mark as unread</button></li>
                <li><hr class="dropdown-divider"></li>
                <li><button class="dropdown-item text-danger" type="button" data-action="delete">Delete</button></li>
              </ul>
            </div>
            <div class="input-group ms-auto mail-search">
              <input type="search" class="form-control" placeholder="Search mail" aria-label="Search mail" id="mailSearch">
              <button class="btn btn-primary" type="button" aria-label="Search"><i class="bi bi-search" aria-hidden="true"></i></button>
            </div>
          </div>
          <ul class="list-unstyled m-0" id="mailList">
        <li class="mail-row d-flex align-items-center gap-2 gap-md-3 px-3 py-3 unread">
          <input class="form-check-input mail-check m-0" type="checkbox" aria-label="Select message from Larry Gardner">
          <button type="button" class="mail-star btn btn-link p-0 on" aria-pressed="true" aria-label="Starred"><i class="bi bi-star-fill" aria-hidden="true"></i></button>
          <a href="#" class="mail-link d-flex flex-column flex-md-row align-items-md-center gap-md-3 flex-grow-1 text-decoration-none">
            <span class="mail-from text-truncate">Larry Gardner</span>
            <span class="text-truncate flex-grow-1"><span class="mail-subject">Q3 roadmap review</span><span class="text-body-secondary"> — Here is the draft deck for Thursday, please add your comments before noon.</span></span>
          </a>
          <span class="badge rounded-pill bg-body-secondary text-body-secondary border d-none d-md-inline-block">Work</span>
          <time class="mail-time small text-body-secondary text-nowrap">08:30</time>
        </li>
        <li class="mail-row d-flex align-items-center gap-2 gap-md-3 px-3 py-3 unread">
          <input class="form-check-input mail-check m-0" type="checkbox" aria-label="Select message from Priya Nair">
          <button type="button" class="mail-star btn btn-link p-0" aria-pressed="false" aria-label="Starred"><i class="bi bi-star" aria-hidden="true"></i></button>
          <a href="#" class="mail-link d-flex flex-column flex-md-row align-items-md-center gap-md-3 flex-grow-1 text-decoration-none">
            <span class="mail-from text-truncate">Priya Nair</span>
            <span class="text-truncate flex-grow-1"><span class="mail-subject">Design tokens are merged</span><span class="text-body-secondary"> — The new spacing scale landed in main. Components pick it up automatically.</span></span>
          </a>
          <span class="badge rounded-pill bg-body-secondary text-body-secondary border d-none d-md-inline-block">Design</span>
          <time class="mail-time small text-body-secondary text-nowrap">08:12</time>
        </li>
        <li class="mail-row d-flex align-items-center gap-2 gap-md-3 px-3 py-3">
          <input class="form-check-input mail-check m-0" type="checkbox" aria-label="Select message from Stripe">
          <button type="button" class="mail-star btn btn-link p-0" aria-pressed="false" aria-label="Starred"><i class="bi bi-star" aria-hidden="true"></i></button>
          <a href="#" class="mail-link d-flex flex-column flex-md-row align-items-md-center gap-md-3 flex-grow-1 text-decoration-none">
            <span class="mail-from text-truncate">Stripe</span>
            <span class="text-truncate flex-grow-1"><span class="mail-subject">Your payout is on the way</span><span class="text-body-secondary"> — A payout of $2,480.00 will arrive in your bank account on Friday.</span></span>
          </a>
          <span class="badge rounded-pill bg-body-secondary text-body-secondary border d-none d-md-inline-block">Finance</span>
          <time class="mail-time small text-body-secondary text-nowrap">Yesterday</time>
        </li>
        <li class="mail-row d-flex align-items-center gap-2 gap-md-3 px-3 py-3">
          <input class="form-check-input mail-check m-0" type="checkbox" aria-label="Select message from Marcus Lee">
          <button type="button" class="mail-star btn btn-link p-0 on" aria-pressed="true" aria-label="Starred"><i class="bi bi-star-fill" aria-hidden="true"></i></button>
          <a href="#" class="mail-link d-flex flex-column flex-md-row align-items-md-center gap-md-3 flex-grow-1 text-decoration-none">
            <span class="mail-from text-truncate">Marcus Lee</span>
            <span class="text-truncate flex-grow-1"><span class="mail-subject">Lunch on Friday?</span><span class="text-body-secondary"> — Found a new ramen place near the office, are you in?</span></span>
          </a>
          
          <time class="mail-time small text-body-secondary text-nowrap">Yesterday</time>
        </li>
        <li class="mail-row d-flex align-items-center gap-2 gap-md-3 px-3 py-3">
          <input class="form-check-input mail-check m-0" type="checkbox" aria-label="Select message from GitHub">
          <button type="button" class="mail-star btn btn-link p-0" aria-pressed="false" aria-label="Starred"><i class="bi bi-star" aria-hidden="true"></i></button>
          <a href="#" class="mail-link d-flex flex-column flex-md-row align-items-md-center gap-md-3 flex-grow-1 text-decoration-none">
            <span class="mail-from text-truncate">GitHub</span>
            <span class="text-truncate flex-grow-1"><span class="mail-subject">[ui-kit] Pull request approved</span><span class="text-body-secondary"> — Alex approved your changes in #482 Refactor card component.</span></span>
          </a>
          <span class="badge rounded-pill bg-body-secondary text-body-secondary border d-none d-md-inline-block">Work</span>
          <time class="mail-time small text-body-secondary text-nowrap">Mon</time>
        </li>
        <li class="mail-row d-flex align-items-center gap-2 gap-md-3 px-3 py-3">
          <input class="form-check-input mail-check m-0" type="checkbox" aria-label="Select message from Elena Rossi">
          <button type="button" class="mail-star btn btn-link p-0" aria-pressed="false" aria-label="Starred"><i class="bi bi-star" aria-hidden="true"></i></button>
          <a href="#" class="mail-link d-flex flex-column flex-md-row align-items-md-center gap-md-3 flex-grow-1 text-decoration-none">
            <span class="mail-from text-truncate">Elena Rossi</span>
            <span class="text-truncate flex-grow-1"><span class="mail-subject">Invoice 0042</span><span class="text-body-secondary"> — Attached is the invoice for September. Let me know if anything is off.</span></span>
          </a>
          <span class="badge rounded-pill bg-body-secondary text-body-secondary border d-none d-md-inline-block">Finance</span>
          <time class="mail-time small text-body-secondary text-nowrap">Mon</time>
        </li>
        <li class="mail-row d-flex align-items-center gap-2 gap-md-3 px-3 py-3">
          <input class="form-check-input mail-check m-0" type="checkbox" aria-label="Select message from Tom Becker">
          <button type="button" class="mail-star btn btn-link p-0 on" aria-pressed="true" aria-label="Starred"><i class="bi bi-star-fill" aria-hidden="true"></i></button>
          <a href="#" class="mail-link d-flex flex-column flex-md-row align-items-md-center gap-md-3 flex-grow-1 text-decoration-none">
            <span class="mail-from text-truncate">Tom Becker</span>
            <span class="text-truncate flex-grow-1"><span class="mail-subject">Weekend hike photos</span><span class="text-body-secondary"> — Uploaded everything to the shared album, the sunrise ones are great.</span></span>
          </a>
          
          <time class="mail-time small text-body-secondary text-nowrap">Sun</time>
        </li>
        <li class="mail-row d-flex align-items-center gap-2 gap-md-3 px-3 py-3">
          <input class="form-check-input mail-check m-0" type="checkbox" aria-label="Select message from Calendar">
          <button type="button" class="mail-star btn btn-link p-0" aria-pressed="false" aria-label="Starred"><i class="bi bi-star" aria-hidden="true"></i></button>
          <a href="#" class="mail-link d-flex flex-column flex-md-row align-items-md-center gap-md-3 flex-grow-1 text-decoration-none">
            <span class="mail-from text-truncate">Calendar</span>
            <span class="text-truncate flex-grow-1"><span class="mail-subject">Reminder: Team offsite</span><span class="text-body-secondary"> — Tomorrow 10:00 at the Riverside Hub. Bring a laptop and good shoes.</span></span>
          </a>
          
          <time class="mail-time small text-body-secondary text-nowrap">Sat</time>
        </li>
            <li class="d-none text-center text-body-secondary py-5 px-3" id="mailEmpty"><i class="bi bi-search fs-3 d-block mb-2" aria-hidden="true"></i>No messages match your search.</li>
          </ul>
          <div class="d-flex align-items-center justify-content-between p-3 border-top">
            <span class="small text-body-secondary">1–8 of 241</span>
            <nav aria-label="Pages"><ul class="pagination pagination-sm m-0">
              <li class="page-item disabled"><a class="page-link rounded-start-pill" href="#" aria-label="Previous" aria-disabled="true" tabindex="-1">«</a></li>
              <li class="page-item active"><a class="page-link" href="#">1</a></li><li class="page-item"><a class="page-link" href="#">2</a></li><li class="page-item"><a class="page-link" href="#">3</a></li>
              <li class="page-item"><a class="page-link rounded-end-pill" href="#" aria-label="Next">»</a></li>
            </ul></nav>
          </div>
        </div>
      </div>
    </div>
  </div>
</section>

@import url("https://cdnjs.cloudflare.com/ajax/libs/bootstrap-icons/1.11.3/font/bootstrap-icons.min.css");
/* 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 */
.mail-side { border-bottom: 1px solid var(--bs-border-color); }
@media (min-width: 992px) { .mail-side { border-bottom: 0; border-right: 1px solid var(--bs-border-color); } }
.mail-folders { gap: .25rem; overflow-x: auto; scrollbar-width: none; }
.mail-folders::-webkit-scrollbar { display: none; }
.mail-count { background: var(--bs-secondary-bg); color: var(--bs-body-color); }
@media (max-width: 991.98px) { .mail-folders-wrap { -webkit-mask-image: linear-gradient(to right, #000 85%, transparent); mask-image: linear-gradient(to right, #000 85%, transparent); } .mail-folders { padding-right: 2rem; } }
.pagination .page-item.disabled .page-link { background: transparent; color: var(--bs-secondary-color); opacity: .5; }
.mail-folders .nav-link { border-radius: 999px; font-weight: 600; white-space: nowrap; min-height: 40px; }
.mail-folders .nav-link.active .badge { background: rgba(255,255,255,.22) !important; color: #fff !important; }
[data-bs-theme="dark"] .mail-folders .nav-link.active { color: #0f1117; }
[data-bs-theme="dark"] .mail-folders .nav-link.active .badge { color: #0f1117 !important; background: rgba(0,0,0,.15) !important; }
.mail-search { max-width: 280px; }
.mail-search .form-control { border-radius: 999px 0 0 999px; }
.mail-search .btn { border-radius: 0 999px 999px 0; min-width: 46px; }
.mail-row { border-bottom: 1px solid var(--bs-border-color-translucent); transition: background .15s; min-height: 64px; }
.mail-row:hover { background: var(--bs-tertiary-bg); }
.mail-row:last-child { border-bottom: 0; }
.mail-link { color: var(--bs-body-color); min-width: 0; }
.mail-from { flex: 0 0 160px; max-width: 160px; }
.mail-row.unread .mail-from, .mail-row.unread .mail-subject, .mail-row.unread .mail-time { font-weight: 700; color: var(--bs-emphasis-color); }
.mail-row.unread { box-shadow: inset 3px 0 0 var(--bs-primary); }
.mail-star { color: var(--bs-secondary-color); line-height: 1; font-size: 1.05rem; min-width: 28px; min-height: 28px; }
.mail-star.on { color: var(--bs-warning); }
@media (max-width: 767.98px) { .mail-from { flex-basis: auto; max-width: none; } }

function initInbox() {
  var list = document.getElementById('mailList');
  if (!list) return;
  var all = document.getElementById('mailAll');
  var rows = function () { return Array.prototype.slice.call(list.querySelectorAll('.mail-row')); };
  var empty = document.getElementById('mailEmpty');
  var updateEmpty = function () {
    if (!empty) return;
    var visible = rows().some(function (r) { return !r.classList.contains('d-none'); });
    empty.classList.toggle('d-none', visible);
  };
  list.addEventListener('click', function (e) {
    var star = e.target.closest('.mail-star');
    if (!star) return;
    var on = !star.classList.contains('on');
    star.classList.toggle('on', on);
    star.setAttribute('aria-pressed', on);
    star.firstElementChild.className = 'bi bi-star' + (on ? '-fill' : '');
  });
  if (all) all.addEventListener('change', function () {
    rows().forEach(function (r) { r.querySelector('.mail-check').checked = all.checked; });
  });
  document.querySelectorAll('[data-action]').forEach(function (b) {
    b.addEventListener('click', function () {
      rows().forEach(function (r) {
        if (!r.querySelector('.mail-check').checked) return;
        if (b.dataset.action === 'delete') r.remove();
        else r.classList.toggle('unread', b.dataset.action === 'unread');
      });
      if (all) all.checked = false;
      updateEmpty();
    });
  });
  var search = document.getElementById('mailSearch');
  if (search) search.addEventListener('input', function () {
    var q = search.value.toLowerCase();
    rows().forEach(function (r) { r.classList.toggle('d-none', r.textContent.toLowerCase().indexOf(q) === -1); });
    updateEmpty();
  });
}
initInbox();