Autosave Indicator

<div class="nuda-fs2-autosave">
  <label for="fs2-as-title" class="nuda-fs2-autosave__label">Document title</label>
  <input id="fs2-as-title" class="nuda-fs2-autosave__input" type="text" value="Q3 roadmap draft">
  <p class="nuda-fs2-autosave__status is-saved" role="status" aria-live="polite">
    <span class="nuda-fs2-autosave__dot" aria-hidden="true"></span>
    Saved
  </p>
</div>
<!-- JS: on input, switch to .is-saving with text "Saving…", then after your
     debounced save resolves switch to .is-saved with text "Saved". -->

/* Autosave Indicator — debounced save → status swap. */
(function () {
  var wrap = document.querySelector('.nuda-fs2-autosave');
  if (!wrap) return;
  var input = wrap.querySelector('.nuda-fs2-autosave__input');
  var status = wrap.querySelector('.nuda-fs2-autosave__status');
  var timer;

  input.addEventListener('input', function () {
    clearTimeout(timer);
    status.classList.remove('is-saved');
    status.classList.add('is-saving');
    status.lastChild.textContent = 'Saving…';

    timer = setTimeout(function () {
      status.classList.remove('is-saving');
      status.classList.add('is-saved');
      status.lastChild.textContent = 'Saved';
    }, 900);
  });
})();

.nuda-fs2-autosave {
  width: 100%;
  max-width: 260px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: ui-sans-serif,system-ui,sans-serif;
}

.nuda-fs2-autosave__label {
  font-size: 12px;
  font-weight: 600;
  color: #cfcfcf;
}

.nuda-fs2-autosave__input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  background: #161616;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 9px;
  color: #fafafa;
  font-size: 13px;
  box-sizing: border-box;
  transition: border-color .2s;
}

.nuda-fs2-autosave__input:focus-visible {
  outline: 2px solid #e4ff54;
  outline-offset: 2px;
  border-color: #e4ff54;
}

.nuda-fs2-autosave__status {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  font-size: 11px;
  color: #777;
  transition: color .2s;
}

.nuda-fs2-autosave__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #777;
  flex-shrink: 0;
  transition: background .2s,transform .2s;
}

.nuda-fs2-autosave__status.is-saving {
  color: #f5c451;
}

.nuda-fs2-autosave__status.is-saving .nuda-fs2-autosave__dot {
  background: #f5c451;
  animation: _nuda-fs2autosave-pulse 1s ease-in-out infinite;
}

.nuda-fs2-autosave__status.is-saved {
  color: #7be08a;
}

.nuda-fs2-autosave__status.is-saved .nuda-fs2-autosave__dot {
  background: #7be08a;
  transform: scale(1);
}

@keyframes _nuda-fs2autosave-pulse {
  0%,100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.4);
    opacity: .5;
  }
}

@media (prefers-reduced-motion:reduce) {
  .nuda-fs2-autosave__status.is-saving .nuda-fs2-autosave__dot {
    animation: none !important;
  }
}