Stop Generating

<!-- Stop Generating — spinner ring + center square -->
<button class="nuda-stop" type="button">
  <span class="nuda-stop__icon">
    <span class="nuda-stop__square"></span>
  </span>
  <span class="nuda-stop__label">Stop generating</span>
</button>

/* Stop Generating
   Pill button with spinner ring + center square; turns red on hover.
   Customize: --stop-color, --stop-danger */

.nuda-stop {
  --stop-color: #e4ff54;
  --stop-danger: #ff6363;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  color: #fafafa;
  font: 600 0.875rem ui-sans-serif, system-ui, sans-serif;
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s, color 0.25s;
}

.nuda-stop:hover {
  border-color: var(--stop-danger);
  background: rgba(255, 99, 99, 0.08);
  color: #fff;
}

.nuda-stop__icon {
  position: relative;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nuda-stop__icon::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1.5px solid var(--stop-color);
  border-radius: 50%;
  border-top-color: transparent;
  animation: nuda-stop-spin 1s linear infinite;
  box-sizing: border-box;
  transition: border-color 0.25s;
}

.nuda-stop:hover .nuda-stop__icon::before {
  border-color: var(--stop-danger);
  border-top-color: transparent;
}

.nuda-stop__square {
  width: 7px;
  height: 7px;
  background: var(--stop-color);
  border-radius: 1px;
  transition: background 0.25s;
}

.nuda-stop:hover .nuda-stop__square { background: var(--stop-danger); }

@keyframes nuda-stop-spin { to { transform: rotate(360deg); } }

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