Lab

Modal Lab

Eight overlay patterns — dialogs, drawers, toasts, popovers, and lightboxes. All keyboard-friendly.

1. Basic Modal — centered dialog with backdrop, form body, and close button

Add a new project

Give your project a name — you can rename it later.

<div class="backdrop">
  <div class="dialog">
    <button class="close">✕</button>
    <h3>Add a new project</h3>
    <input type="text">
    <div class="row">
      <button class="cancel">Cancel</button>
      <button class="primary">Create</button>
    </div>
  </div>
</div>
.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.backdrop.open {
  display: flex;
  animation: fadeIn .2s;
}

.dialog {
  width: 100%;
  max-width: 440px;
  background: #fff;
  border-radius: 16px;
  padding: 28px;
  animation: pop .25s cubic-bezier(.2,.8,.3,1);
}

@keyframes pop {
  from { transform: scale(.95); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
// Toggle the .open class to show/hide
const backdrop = document.querySelector('.backdrop');

openBtn.onclick   = () => backdrop.classList.add('open');
closeBtn.onclick  = () => backdrop.classList.remove('open');

// Click outside the dialog to close
backdrop.onclick = (e) => {
  if (e.target === backdrop) backdrop.classList.remove('open');
};

// Escape key closes
document.addEventListener('keydown', (e) => {
  if (e.key === 'Escape') backdrop.classList.remove('open');
});
2. Confirm Dialog — destructive action warning with red icon

Delete this project?

This can't be undone. All associated files and comments will be removed forever.

<div class="confirm">
  <div class="icon">⚠</div>
  <h3>Delete this project?</h3>
  <p>This can't be undone.</p>
  <div class="row">
    <button class="cancel">Cancel</button>
    <button class="delete">Delete</button>
  </div>
</div>
/* Destructive actions use a red tinted icon + red button */
.icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(239, 68, 68, .12);
  color: #ef4444;
  margin: 0 auto 14px;
}

.delete {
  background: #ef4444;
  color: #fff;
}
3. Side Drawer — slides in from the right (mobile menus, shopping carts)
<div class="backdrop"></div>
<aside class="drawer">
  <h3>Your Cart</h3>
  <div class="item">
    <strong>Product name</strong>
  </div>
</aside>
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  background: #fff;
  transform: translateX(100%);
  transition: transform .35s cubic-bezier(.2,.8,.3,1);
  z-index: 101;
}

/* Slide in when .open is added */
.drawer.open {
  transform: translateX(0);
}
4. Toast Notifications — stack in the corner, auto-dismiss
Saved successfullyYour changes are now live
New version availableRefresh to see what's new
Upload failedFile exceeds 10 MB limit

Toast messages anchor to a corner — use for passive feedback, not for requiring input.

<div class="toast-wrap">
  <div class="toast success">
    <i class="ph-fill ph-check-circle"></i>
    <div><strong>Saved successfully</strong></div>
  </div>
</div>
.toast-wrap {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}

.toast {
  animation: slideIn .3s cubic-bezier(.2,.8,.3,1);
  min-width: 260px;
}

@keyframes slideIn {
  from { transform: translateX(110%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}
5. Popover — click-to-open tooltip with extra content

What's a popover?

It's like a tooltip with more room — good for quick forms, help text, or additional actions that don't need a full modal.

<div class="trigger">
  <button>Show popover</button>
  <div class="popover">
    <h4>Title</h4>
    <p>Description here.</p>
  </div>
</div>
.trigger { position: relative; }

.popover {
  position: absolute;
  top: calc(100% + 10px);
  width: 280px;
  background: #fff;
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,.12);
  display: none;
}
.popover.open { display: block; }

/* Triangle pointer using a rotated square */
.popover::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 20px;
  width: 12px;
  height: 12px;
  background: #fff;
  transform: rotate(45deg);
}
6. Alert Banners — inline notifications for info, warnings, errors, success
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<div class="alert info">
  <i class="ph-fill ph-info"></i>
  <div>
    <strong>Title</strong>
    <p>Message body.</p>
  </div>
  <button>✕</button>
</div>
.alert {
  padding: 14px 18px;
  border-radius: 10px;
  display: flex;
  gap: 12px;
  border-left: 4px solid;
}

.alert.info    { background: #dbeafe; color: #1e40af; border-left-color: #3b82f6; }
.alert.warn    { background: #fef3c7; color: #854d0e; border-left-color: #f59e0b; }
.alert.error   { background: #fee2e2; color: #991b1b; border-left-color: #ef4444; }
.alert.success { background: #dcfce7; color: #166534; border-left-color: #10b981; }
7. Full Screen Modal — cinematic takeover, great for onboarding or big CTAs

Join the waitlist

Be first to know when we launch — no spam, one email when we're ready.

<div class="backdrop">
  <button class="close">✕</button>
  <div class="fs">
    <h2>Join the waitlist</h2>
    <form>...</form>
  </div>
</div>
.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.9);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.fs {
  max-width: 560px;
  padding: 40px;
  text-align: center;
}
8. Image Lightbox — click a thumbnail to enlarge in a dark overlay
<div class="gallery">
  <img src="thumb1.jpg">
  <img src="thumb2.jpg">
</div>

<div class="backdrop">
  <img class="big">
</div>
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.gallery img {
  aspect-ratio: 1;
  object-fit: cover;
  cursor: pointer;
  border-radius: 10px;
}

.big img {
  max-width: 90%;
  max-height: 80vh;
}
document.querySelectorAll('.gallery img').forEach(thumb => {
  thumb.addEventListener('click', () => {
    // swap to a larger version of the same image
    document.querySelector('.big img').src =
      thumb.src.replace('w=300', 'w=1200');
    document.querySelector('.backdrop').classList.add('open');
  });
});