Notification/Toast Generator

<style>
.toast-notification {
  position: fixed;
  top: 20px; right: 20px;
  width: 360px;
  max-width: 90vw;
  background: #f0fdf4;
  border-left: 4px solid #22c55e;
  border-radius: 8px;
  padding: 14px 16px;
  font-family: system-ui, sans-serif;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  z-index: 9999;
  animation: toast-slide 0.3s ease;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
@keyframes toast-slide {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
.toast-icon {
  font-size: 18px;
  color: #22c55e;
  line-height: 1;
  flex-shrink: 0;
}
.toast-content { flex: 1; }
.toast-title {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a2e;
  margin: 0 0 2px;
}
.toast-message {
  font-size: 12px;
  color: #1a1a2e;
  opacity: 0.75;
  margin: 0;
  line-height: 1.4;
}
.toast-close {
  background: none;
  border: none;
  font-size: 16px;
  color: #1a1a2e;
  opacity: 0.4;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
}
.toast-close:hover { opacity: 0.8; }
.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: #22c55e;
  border-radius: 0 0 0 8px;
  animation: toast-progress 5000ms linear forwards;
}
@keyframes toast-progress {
  from { width: 100%; }
  to { width: 0%; }
}
</style>

<div class="toast-notification" id="toastNotification">
  <span class="toast-icon">&#10003;</span>
  <div class="toast-content">
    <p class="toast-title">Success!</p>
    <p class="toast-message">Your changes have been saved successfully.</p>
  </div>
  <button class="toast-close" onclick="this.parentElement.remove()">&times;</button>
  <div class="toast-progress"></div>
</div>

<script>
setTimeout(function() {
  var el = document.getElementById("toastNotification");
  if (el) el.remove();
}, 5000);
</script>