Glass Modal

<div class="nuda-glass-modal">
  <button class="nuda-glass-modal__open">Open dialog</button>
  <div class="nuda-glass-modal__backdrop" role="dialog" aria-modal="true" aria-label="Demo dialog">
    <div class="nuda-glass-modal__panel">
      <p class="nuda-glass-modal__title">Frosted Dialog</p>
      <p class="nuda-glass-modal__body">A backdrop-blur modal that scales in.</p>
      <button class="nuda-glass-modal__close" aria-label="Close dialog">Got it</button>
    </div>
  </div>
</div>

/* Glass Modal
   Backdrop-blur dialog that scales in.
   Toggle the .nuda-glass-modal--open class on the root to show it.
   Customize: --glass-modal-accent */

.nuda-glass-modal {
  --glass-modal-accent: #e4ff54;
  position: relative;
  width: 240px;
  height: 150px;
  border-radius: 14px;
  overflow: hidden;
  background: #0e0e12;
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nuda-glass-modal__open {
  padding: 9px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: #fafafa;
  font: 600 0.8rem ui-sans-serif, system-ui;
  cursor: pointer;
  transition: background 0.2s ease;
}

.nuda-glass-modal__open:hover {
  background: rgba(255, 255, 255, 0.1);
}

.nuda-glass-modal__backdrop {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(9, 9, 11, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nuda-glass-modal__panel {
  width: 180px;
  padding: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  transform: scale(0.85);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
  will-change: transform, opacity;
}

.nuda-glass-modal__title {
  margin: 0;
  color: #fafafa;
  font: 700 0.9rem ui-sans-serif, system-ui;
}

.nuda-glass-modal__body {
  margin: 0.35rem 0 0.8rem;
  color: rgba(250, 250, 250, 0.65);
  font: 500 0.72rem ui-sans-serif, system-ui;
  line-height: 1.4;
}

.nuda-glass-modal__close {
  padding: 6px 12px;
  border: none;
  border-radius: 8px;
  background: var(--glass-modal-accent);
  color: #09090b;
  font: 700 0.72rem ui-sans-serif, system-ui;
  cursor: pointer;
}

.nuda-glass-modal--open .nuda-glass-modal__backdrop {
  opacity: 1;
  visibility: visible;
}

.nuda-glass-modal--open .nuda-glass-modal__panel {
  transform: scale(1);
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .nuda-glass-modal__backdrop,
  .nuda-glass-modal__panel { transition: opacity 0.2s ease, visibility 0.2s ease; }
  .nuda-glass-modal__panel { transform: none; }
}

/* Glass Modal — vanilla JS
   Opens and closes the frosted dialog. */

(function () {
  document.querySelectorAll(".nuda-glass-modal").forEach(function (root) {
    var open = root.querySelector(".nuda-glass-modal__open");
    var close = root.querySelector(".nuda-glass-modal__close");
    if (open) open.addEventListener("click", function () {
      root.classList.add("nuda-glass-modal--open");
    });
    if (close) close.addEventListener("click", function () {
      root.classList.remove("nuda-glass-modal--open");
    });
  });
})();