/* ═══════════════════════════════════════════════════════════
   SKELETON LOADERS — Loading-State Placeholders
═══════════════════════════════════════════════════════════ */

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-2) 0%,
    var(--bg-3) 50%,
    var(--bg-2) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-idea {
  display: flex;
  gap: 12px;
  padding: 12px;
  margin-bottom: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.skeleton-idea::before {
  content: "";
  width: 44px;
  height: 60px;
  flex-shrink: 0;
  background: var(--bg-2);
  border-radius: var(--radius-sm);
  animation: shimmer 2s infinite;
}

.skeleton-idea::after {
  content: "";
  flex: 1;
  height: 60px;
  background: linear-gradient(
    90deg,
    var(--bg-2) 0%,
    var(--bg-3) 50%,
    var(--bg-2) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-sm);
}

.skeleton-text {
  height: 14px;
  margin-bottom: 8px;
  border-radius: var(--radius-sm);
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.skeleton-button {
  height: 40px;
  width: 100px;
  border-radius: var(--radius-sm);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .skeleton,
  .skeleton-idea::before,
  .skeleton-idea::after,
  .skeleton-text,
  .skeleton-avatar,
  .skeleton-button {
    animation: none;
    background: var(--bg-2);
  }
}