/* Skeleton loader — shared shimmer animation */
@keyframes skeleton-shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-panel, #0f172a) 25%, var(--bg-hover, rgba(255,255,255,0.04)) 50%, var(--bg-panel, #0f172a) 75%);
  background-size: 800px 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: 4px;
}

/* Pool table skeleton rows */
.skeleton-row {
  height: 44px;
}

/* Chart placeholder */
.skeleton-chart {
  height: 300px;
  margin: 12px 0;
}

/* Range grid placeholder */
.skeleton-grid {
  height: 400px;
  aspect-ratio: 1;
  margin: 12px auto;
}

/* Stats strip placeholder */
.skeleton-stat {
  height: 64px;
  width: 120px;
  display: inline-block;
  margin: 4px 8px;
}

/* Finalizing overlay for upload */
.progress-finalizing {
  text-align: center;
  color: var(--text-muted, #aaa);
  font-size: 14px;
  padding: 12px;
}
.progress-finalizing::after {
  content: '';
  display: block;
  height: 4px;
  margin-top: 8px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-purple, #a855f7), transparent);
  animation: skeleton-shimmer 1.2s ease-in-out infinite;
  background-size: 800px 100%;
}

/* Drag-over state for upload slot cards */
.slot-drag-over {
  border: 2px dashed var(--accent-purple, #a855f7) !important;
  background: rgba(168, 85, 247, 0.08) !important;
}

/* Worker retry button */
.worker-retry-btn {
  background: var(--accent-purple, #a855f7);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 18px;
  cursor: pointer;
  font-size: 14px;
  margin-top: 8px;
}
.worker-retry-btn:hover {
  opacity: 0.85;
}