.assets-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
  margin-bottom: 36px;
}
.asset-card {
  overflow: hidden; cursor: pointer;
  position: relative;
}
.asset-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #7c3aed);
  opacity: 0;
  transition: opacity 0.3s;
}
.asset-card:hover::after { opacity: 1; }
.asset-card .asset-thumb {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  transition: transform 0.3s;
}
.asset-card:hover .asset-thumb { transform: scale(1.03); }
.asset-card .asset-placeholder {
  width: 100%; aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.8rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
}
.asset-card .asset-body { padding: 14px 16px; }
.asset-card .asset-name {
  font-weight: 700; font-size: 0.92rem;
  font-family: var(--font-head);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-bottom: 8px;
}
.asset-card .asset-meta {
  display: flex; justify-content: space-between; align-items: center;
}
.asset-type-badge {
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
}
.asset-card .asset-author {
  font-size: 0.75rem; color: var(--text-dim);
}

.asset-preview-panel { max-width: 520px; }
.asset-preview-panel img { max-height: 300px; object-fit: contain; }

@media (max-width: 600px) {
  .assets-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}