/* Video Grid */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  padding: 16px;
}

.video-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.video-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.video-card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg-primary);
  overflow: hidden;
}

.video-card-thumb img,
.video-card-thumb canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-card-thumb .thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.video-card-thumb .thumb-placeholder svg {
  width: 40px;
  height: 40px;
}

.video-card-thumb .duration-badge {
  position: absolute;
  bottom: 6px;
  right: 6px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-size: 0.75rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-variant-numeric: tabular-nums;
}

.video-card-thumb .play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.video-card:hover .play-overlay {
  opacity: 1;
}

.play-overlay svg {
  width: 40px;
  height: 40px;
  color: #fff;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.video-card-info {
  padding: 10px 12px;
}

.video-card-name {
  font-size: 0.85rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.video-card-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: flex;
  gap: 8px;
}

/* Grid toolbar */
.grid-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.grid-toolbar .file-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-left: auto;
}

/* Selection mode */
.video-card.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.video-card .select-check {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 22px;
  height: 22px;
  border: 2px solid rgba(255,255,255,0.6);
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.4);
}

.selection-mode .video-card .select-check {
  display: flex;
}

.video-card.selected .select-check {
  background: var(--accent);
  border-color: var(--accent);
}