/**
 * DAM browse P1 � split inspector, folder tree drawer, skeleton, unified grid.
 */

/* --- B1: split inspector (desktop) vs overlay (mobile) --- */

.dam-browse-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

.dam-browse-shell--inspector-open .dam-browse-body {
  flex-direction: row;
  align-items: stretch;
}

.dam-browse-shell--inspector-open .dam-assets-layout {
  flex: 1;
  min-width: 0;
}

.dam-asset-drawer--split {
  position: relative;
  inset: auto;
  z-index: 4;
  display: flex !important;
  flex-direction: column;
  width: min(400px, 38vw);
  min-width: 300px;
  flex-shrink: 0;
  align-self: stretch;
  background: var(--studio-surface);
  color: var(--ink);
  border-left: 1px solid var(--line);
  box-shadow: -8px 0 32px rgba(27, 24, 20, 0.08);
}

.dam-asset-drawer--split[hidden] {
  display: none !important;
}

.dam-asset-drawer--split .dam-asset-detail {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: minmax(140px, 34vh) minmax(0, 1fr);
  height: 100%;
  min-height: 0;
}

.dam-asset-drawer--split .dam-asset-detail-back {
  top: 10px;
  left: 10px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: 0 2px 8px rgba(27, 24, 20, 0.1);
}

.dam-asset-drawer--split .dam-asset-detail-stage {
  background: #eef0f2;
  min-height: 0;
}

.dam-asset-drawer--split .dam-asset-detail-preview {
  padding: 40px 12px 12px;
}

.dam-asset-drawer--split .dam-asset-detail-media img,
.dam-asset-drawer--split .dam-asset-detail-media iframe,
.dam-asset-drawer--split .dam-asset-detail-video {
  max-height: min(32vh, 280px);
}

.dam-asset-drawer--split .dam-asset-detail-empty {
  color: var(--muted);
}

.dam-asset-drawer--split .dam-asset-detail-nav-btn {
  background: rgba(27, 24, 20, 0.08);
  color: var(--ink);
}

.dam-asset-drawer--split .dam-asset-detail-sidebar {
  background: var(--studio-surface);
  color: var(--ink);
  border-left: 0;
  border-top: 1px solid var(--line);
  min-height: 0;
}

.dam-asset-drawer--split .dam-asset-detail-btn {
  color: var(--ink);
  border-color: var(--line);
}

.dam-asset-drawer--split .dam-asset-detail-btn--primary {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.dam-asset-drawer--overlay {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: var(--dam-portal-sidebar-inset, 0px);
  z-index: 1300;
  background: #0f1214;
  color: #f4f2ef;
}

body.dam-asset-detail-overlay-open {
  overflow: hidden;
}

body.dam-asset-detail-overlay-open .workspace-chrome {
  z-index: 90;
}

/* --- B2: folder tree slide-over --- */

.dam-folder-tree-backdrop {
  position: fixed;
  inset: 0;
  z-index: 115;
  background: rgba(27, 24, 20, 0.38);
}

.dam-folder-tree-backdrop[hidden] {
  display: none !important;
}

.dam-workspace.dam-workspace--folder-tree-open .studio-context-sidebar {
  display: flex !important;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 125;
  width: min(300px, 88vw);
  transform: translateX(0);
  box-shadow: 0 20px 50px rgba(27, 24, 20, 0.2);
  overflow: auto;
}

.dam-folder-tree-toggle {
  flex-shrink: 0;
  font-size: 0.78rem;
  padding: 8px 10px;
}

.dam-folder-tree-toggle[hidden] {
  display: none !important;
}

/* --- B3: unified browse cards --- */

.dam-assets-layout--compact .dam-asset-tile,
.dam-folder-grid--strip .dam-folder-card {
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.dam-assets-layout--compact .dam-asset-tile.is-selected,
.dam-assets-layout--compact .dam-asset-tile-wrap.is-selected .dam-asset-tile {
  border-color: #7c3aed;
  box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
}

.dam-asset-tile-wrap.is-selected {
  z-index: 2;
}

/* --- B4: browse grid skeleton --- */

.dam-asset-grid--loading {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 10px;
  min-height: 240px;
  pointer-events: none;
}

.dam-browse-tile-skeleton {
  border: 1px solid var(--line);
  border-radius: var(--studio-radius);
  background: #fff;
  min-height: 132px;
  display: grid;
  grid-template-rows: minmax(88px, 1fr) auto auto;
  gap: 8px;
  padding: 8px;
  overflow: hidden;
}

.dam-browse-tile-skeleton-thumb {
  border-radius: 10px;
  background: linear-gradient(90deg, #f0f2f4 0%, #e8ecef 45%, #f0f2f4 90%);
  background-size: 200% 100%;
  animation: dam-browse-skeleton-shimmer 1.2s ease-in-out infinite;
  min-height: 88px;
}

.dam-browse-tile-skeleton-line {
  height: 10px;
  border-radius: 6px;
  width: 72%;
  background: linear-gradient(90deg, #f0f2f4 0%, #e8ecef 45%, #f0f2f4 90%);
  background-size: 200% 100%;
  animation: dam-browse-skeleton-shimmer 1.2s ease-in-out infinite;
}

.dam-browse-tile-skeleton-line--short {
  width: 48%;
}

@keyframes dam-browse-skeleton-shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.dam-folder-empty--cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 20px 16px;
  border: 1px dashed var(--line);
  border-radius: var(--studio-radius-lg);
  background: rgba(255, 255, 255, 0.72);
}

.dam-folder-empty--cta .dam-empty-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.dam-folder-empty--cta .dam-empty-actions .studio-action-btn {
  pointer-events: auto;
}

.dam-folder-empty--cta > .muted {
  margin: 0;
  line-height: 1.45;
  max-width: 52ch;
}

.dam-context-menu-hint {
  margin: 0;
  padding: 6px 10px 8px;
  font-size: 0.75rem;
  line-height: 1.35;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 900px) {
  .dam-browse-shell--inspector-open .dam-browse-body {
    flex-direction: column;
  }

  .dam-asset-drawer--split {
    display: none !important;
  }
}