Bootstrap 5 Alert Modals and Toast (SweetAlert Style)

<section class="wdw-stage">
  <div class="container" style="max-width:1080px">
    <div class="mb-4">
      <span class="wdw-eyebrow">Feedback</span>
      <h2 class="wdw-heading h2 mb-1">SweetAlert-style alerts</h2>
      <p class="wdw-muted mb-0">Success message, delete confirmation and toast, built with Bootstrap modals and toasts.</p>
    </div>
    <div class="row g-4">
      <div class="col-12 col-md-4"><div class="wdw-card p-4 h-100 d-flex flex-column text-center">
        <span class="wdw-icon alert-badge bg-success-subtle text-success mx-auto mb-3"><svg width="26" height="26" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.25" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5 9-10"/></svg></span>
        <h3 class="h5 fw-bold">Good job!</h3>
        <p class="wdw-muted mb-4">Your message was sent successfully.</p>
        <button type="button" class="btn btn-primary rounded-pill mt-auto" data-bs-toggle="modal" data-bs-target="#alertModal">Show message</button>
      </div></div>
      <div class="col-12 col-md-4"><div class="wdw-card p-4 h-100 d-flex flex-column text-center">
        <span class="wdw-icon alert-badge bg-danger-subtle text-danger mx-auto mb-3"><svg width="26" height="26" 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 6V4h8v2M6 6l1 14h10l1-14"/></svg></span>
        <h3 class="h5 fw-bold">Delete this file?</h3>
        <p class="wdw-muted mb-3">You will not be able to undo this.</p>
        <div class="d-flex gap-2 mb-4 justify-content-center" aria-hidden="true"><span class="btn btn-outline-secondary rounded-pill px-3 disabled">Cancel</span><span class="btn btn-danger rounded-pill px-3 disabled">Delete</span></div>
        <button type="button" class="btn btn-outline-primary rounded-pill mt-auto" data-bs-toggle="modal" data-bs-target="#confirmModal">Confirm action</button>
      </div></div>
      <div class="col-12 col-md-4"><div class="wdw-card p-4 h-100 d-flex flex-column">
        <div class="alert-toast-preview d-flex align-items-center gap-3 rounded-4 p-3 mb-4" aria-hidden="true">
          <span class="wdw-icon alert-badge-sm bg-success-subtle text-success"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.25" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5 9-10"/></svg></span>
          <div class="text-start"><div class="fw-bold small">Saved</div><div class="small wdw-muted">Changes saved.</div></div>
        </div>
        <h3 class="h5 fw-bold text-center">Toast notification</h3>
        <p class="wdw-muted text-center mb-4">A quick, self-dismissing message.</p>
        <button type="button" class="btn btn-outline-primary rounded-pill mt-auto" id="toastBtn">Show toast</button>
      </div></div>
    </div>
  </div>

  <div class="modal fade" id="alertModal" tabindex="-1" aria-labelledby="alertTitle" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered modal-sm">
      <div class="modal-content border-0 rounded-4 text-center p-3">
        <div class="modal-body">
          <span class="wdw-icon alert-badge alert-pop bg-success-subtle text-success mb-3"><svg width="26" height="26" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.25" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5 9-10"/></svg></span>
          <h3 class="h5 fw-bold" id="alertTitle">Good job!</h3>
          <p class="wdw-muted mb-4">Your message was sent successfully.</p>
          <button type="button" class="btn btn-primary rounded-pill w-100" data-bs-dismiss="modal">OK</button>
        </div>
      </div>
    </div>
  </div>

  <div class="modal fade" id="confirmModal" tabindex="-1" aria-labelledby="confirmTitle" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered modal-sm">
      <div class="modal-content border-0 rounded-4 text-center p-3">
        <div class="modal-body">
          <span class="wdw-icon alert-badge alert-pop bg-danger-subtle text-danger mb-3"><svg width="26" height="26" 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 6V4h8v2M6 6l1 14h10l1-14"/></svg></span>
          <h3 class="h5 fw-bold" id="confirmTitle">Delete this file?</h3>
          <p class="wdw-muted mb-4">You will not be able to undo this.</p>
          <div class="d-grid gap-2 d-sm-flex">
            <button type="button" class="btn btn-outline-primary rounded-pill flex-fill" data-bs-dismiss="modal">Cancel</button>
            <button type="button" class="btn btn-danger rounded-pill flex-fill" id="confirmDelete" data-bs-dismiss="modal">Delete</button>
          </div>
        </div>
      </div>
    </div>
  </div>

  <div class="toast-container position-fixed bottom-0 end-0 p-3">
    <div id="demoToast" class="toast alert-toast rounded-4" role="status" aria-live="polite" aria-atomic="true">
      <div class="d-flex align-items-start gap-3 p-3">
        <span class="wdw-icon alert-badge-sm" id="toastIcon"><svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.25" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="m5 12 5 5 9-10"/></svg></span>
        <div class="flex-grow-1"><div class="fw-bold" id="toastTitle">Saved</div><div class="small wdw-muted" id="toastText">Changes saved.</div></div>
        <button type="button" class="btn-close" data-bs-dismiss="toast" aria-label="Close"></button>
      </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 */
.modal-content { box-shadow: var(--wdw-shadow); }
.alert-badge { width: 3.5rem; height: 3.5rem; border-radius: 50%; }
.alert-badge-sm { width: 2.25rem; height: 2.25rem; border-radius: 50%; }
.alert-toast-preview { background: var(--bs-tertiary-bg); border: 1px solid var(--bs-border-color); }
.alert-toast { --bs-toast-bg: var(--bs-body-bg); border: 1px solid var(--bs-border-color); box-shadow: var(--wdw-shadow); }
.alert-toast .wdw-icon.is-success { background: var(--bs-success-bg-subtle); color: var(--bs-success-text-emphasis); }
.alert-toast .wdw-icon.is-danger { background: var(--bs-danger-bg-subtle); color: var(--bs-danger-text-emphasis); }
.modal.show .alert-pop svg { animation: alert-check .45s cubic-bezier(.2,1.4,.4,1) both; }
.modal.show .alert-pop { animation: alert-pop .4s cubic-bezier(.2,1.4,.4,1) both; }
@keyframes alert-pop { from { transform: scale(.4); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes alert-check { from { transform: scale(0) rotate(-20deg); } to { transform: scale(1) rotate(0); } }
@media (prefers-reduced-motion: reduce) { .modal.show .alert-pop, .modal.show .alert-pop svg { animation: none; } }

(function initAlerts() {
  var toastEl = document.getElementById('demoToast');
  if (!toastEl) return;
  var text = document.getElementById('toastText');
  var title = document.getElementById('toastTitle');
  var icon = document.getElementById('toastIcon');
  var toast = bootstrap.Toast.getOrCreateInstance(toastEl, { delay: 2800 });
  var check = icon.innerHTML;
  var cross = '<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.25" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M3 6h18M8 6V4h8v2M6 6l1 14h10l1-14"/></svg>';
  function say(kind, head, msg) {
    title.textContent = head;
    text.textContent = msg;
    icon.className = 'wdw-icon alert-badge-sm is-' + kind;
    icon.innerHTML = kind === 'danger' ? cross : check;
    toast.show();
  }
  var toastBtn = document.getElementById('toastBtn');
  if (toastBtn) toastBtn.addEventListener('click', function () { say('success', 'Saved', 'Changes saved.'); });
  var del = document.getElementById('confirmDelete');
  if (del) del.addEventListener('click', function () { say('danger', 'Deleted', 'File deleted.'); });
})();