/* ============================================================================
 * Zed PN5 — Card component system (CT-314)
 * Gated: html.zed-ux (default OFF => ZERO regression).
 * Media asset cards + color preset chips -> uniform, rounded, hover-lift,
 * accent-ring selected, clean truncated meta. Real selectors from render.
 * ==========================================================================*/

/* Grid gutter */
html.zed-ux .assetList {
  gap: var(--zed-space-2);
  padding: var(--zed-space-3);
}

/* The card itself (button.assetItem) */
html.zed-ux .assetItem {
  display: flex;
  flex-direction: column;
  padding: 0;
  background: var(--zed-bg-elevated);
  border: 1px solid var(--zed-border);
  border-radius: var(--zed-radius-md);
  overflow: hidden;
  transition: transform var(--zed-dur-fast) var(--zed-ease),
              border-color var(--zed-dur-fast) var(--zed-ease),
              box-shadow var(--zed-dur-fast) var(--zed-ease);
}
html.zed-ux .assetItem:hover {
  transform: translateY(-2px);
  border-color: var(--zed-border-strong);
  box-shadow: var(--zed-shadow-md);
}
html.zed-ux .assetItem.is-selected {
  border-color: var(--zed-accent);
  box-shadow: 0 0 0 1px var(--zed-accent), var(--zed-shadow-md);
}
html.zed-ux .assetItem:focus-visible {
  outline: 2px solid var(--zed-accent);
  outline-offset: 1px;
}

/* Thumbnail area */
html.zed-ux .assetPreview {
  position: relative;
  background: var(--zed-bg-inset);
  border-radius: 0;
  overflow: hidden;
}
html.zed-ux .assetThumb {
  border-radius: 0;
}

/* Duration badge */
html.zed-ux .assetDuration {
  background: rgba(0, 0, 0, 0.72);
  color: #fff;
  border-radius: var(--zed-radius-sm);
  font-size: var(--zed-fs-xs);
  font-weight: var(--zed-fw-medium);
  padding: 1px 6px;
  letter-spacing: 0.01em;
}

/* Kind pill (Text / etc.) */
html.zed-ux .assetKindPill {
  background: var(--zed-bg-active);
  color: var(--zed-text-muted);
  border-radius: var(--zed-radius-pill);
  font-size: var(--zed-fs-xs);
  padding: 1px 8px;
}

/* Meta row */
html.zed-ux .assetMeta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--zed-space-2);
  text-align: left;
}
html.zed-ux .assetMeta strong {
  display: block;
  font-size: var(--zed-fs-sm);
  font-weight: var(--zed-fw-medium);
  color: var(--zed-text);
  line-height: var(--zed-lh-tight);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
html.zed-ux .assetMeta small {
  font-size: var(--zed-fs-xs);
  color: var(--zed-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Empty state card */
html.zed-ux .assetEmpty {
  border: 1px dashed var(--zed-border-strong);
  border-radius: var(--zed-radius-md);
  color: var(--zed-text-muted);
  background: var(--zed-bg-elevated);
}

/* Color preset chips (Clean / Warm / Cinema) */
html.zed-ux .colorPresetGrid button {
  background: var(--zed-bg-elevated);
  border: 1px solid var(--zed-border);
  border-radius: var(--zed-radius-sm);
  color: var(--zed-text-muted);
  font-size: var(--zed-fs-sm);
  padding: var(--zed-space-1) var(--zed-space-2);
  transition: background var(--zed-dur-fast) var(--zed-ease),
              border-color var(--zed-dur-fast) var(--zed-ease),
              color var(--zed-dur-fast) var(--zed-ease);
}
html.zed-ux .colorPresetGrid button:hover {
  background: var(--zed-bg-hover);
  border-color: var(--zed-border-strong);
  color: var(--zed-text);
}