Empty Inbox

<!-- Empty Inbox -->
<div class="nuda-empty-inbox" role="status" aria-label="Inbox is empty">
  <div class="nuda-empty-inbox__scene">
    <svg class="nuda-empty-inbox__plane" viewBox="0 0 24 24"
         fill="none" stroke="currentColor" stroke-width="2"
         stroke-linecap="round" stroke-linejoin="round">
      <path d="M22 2 L11 13" />
      <path d="M22 2 L15 22 L11 13 L2 9 Z" />
    </svg>
    <svg class="nuda-empty-inbox__tray" viewBox="0 0 64 48"
         fill="none" stroke="currentColor" stroke-width="2"
         stroke-linecap="round" stroke-linejoin="round">
      <path d="M6 28 L6 38 Q6 42 10 42 L54 42 Q58 42 58 38 L58 28" />
      <path d="M6 28 L18 28 L22 34 L42 34 L46 28 L58 28" />
      <path d="M14 12 L14 22" opacity="0.4" />
      <path d="M32 8 L32 22" opacity="0.4" />
      <path d="M50 12 L50 22" opacity="0.4" />
    </svg>
  </div>
  <p class="nuda-empty-inbox__text">Inbox is empty</p>
</div>

/* Empty Inbox
   Inbox tray with a paper plane gliding through.
   Customize: --empty-inbox-color, --empty-inbox-text, --empty-inbox-size */

.nuda-empty-inbox {
  --empty-inbox-color: #e4ff54;
  --empty-inbox-text: rgba(255, 255, 255, 0.55);
  --empty-inbox-size: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 12px;
  color: var(--empty-inbox-color);
}

.nuda-empty-inbox__scene {
  position: relative;
  width: var(--empty-inbox-size);
  height: calc(var(--empty-inbox-size) * 0.7);
}

.nuda-empty-inbox__tray {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 75%;
  color: currentColor;
  filter: drop-shadow(0 0 6px rgba(228, 255, 84, 0.12));
}

.nuda-empty-inbox__plane {
  position: absolute;
  left: 50%;
  top: 0;
  width: 20%;
  height: 28%;
  color: currentColor;
  transform: translate(-50%, 0);
  animation: nuda-empty-inbox-fly 3.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

.nuda-empty-inbox__text {
  font: 500 12px ui-sans-serif, system-ui, sans-serif;
  color: var(--empty-inbox-text);
  letter-spacing: 0.02em;
  margin: 0;
}

@keyframes nuda-empty-inbox-fly {
  0%   { transform: translate(-150%, -4px) rotate(-10deg); opacity: 0; }
  15%  { opacity: 1; }
  50%  { transform: translate(-50%, 12px) rotate(0deg); opacity: 1; }
  75%  { opacity: 1; }
  100% { transform: translate(60%, 28px) rotate(20deg); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .nuda-empty-inbox__plane { animation: none; }
}