/* Editable scene cells — click-to-edit UX */
.editable-cell {
  cursor: pointer;
  border-radius: 0.5rem;
  padding: 0.25rem 0.375rem;
  transition: background 0.15s;
  min-height: 2rem;
}
.editable-cell:hover  { background: #f0f4ff; }
.editable-cell:focus  { background: #ffffff; outline: 2px solid #4f6ef7; outline-offset: 2px; }

/* Loading spinner for AI requests */
.spinner {
  width: 1.1rem; height: 1.1rem;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Line-clamp utility */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}