.swj-button {
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  transition-property: background-color, border-color, color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 200ms;
  color: white;
}

.swj-button-default {
  background-color: #3b82f6; /* blue-500 */
}

.swj-button-default:hover {
  background-color: #2563eb; /* blue-600 */
}

.swj-button-copied {
  background-color: #22c55e; /* green-500 */
  transform: scale(1.05);
}

.swj-button-copied:hover {
  background-color: #16a34a; /* green-600 */
}

.swj-button-error {
  background-color: #ef4444; /* red-500 */
}

.swj-button-error:hover {
  background-color: #dc2626; /* red-600 */
}

/* Focus styles (optional, Tailwind's focus utilities are often preferred) */
.swj-button:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  --tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);
  --tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);
  box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow, 0 0 #0000);
  --tw-ring-opacity: 0.5;
}

.swj-button-default:focus {
  --tw-ring-color: rgba(59, 130, 246, var(--tw-ring-opacity)); /* ring-blue-500 */
}

.swj-button-copied:focus {
  --tw-ring-color: rgba(34, 197, 94, var(--tw-ring-opacity)); /* ring-green-500 */
}

.swj-button-error:focus {
  --tw-ring-color: rgba(239, 68, 68, var(--tw-ring-opacity)); /* ring-red-500 */
}