/* ═══════════════════════════════════════════════════════════
   MEDIA LIBRARY (Left Panel)
   ═══════════════════════════════════════════════════════════ */

#media-library {
  background: var(--bg-panel);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ml-header {
  padding: 12px 14px 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.ml-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ml-import-btn {
  background: transparent;
  color: var(--text-secondary);
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.ml-import-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

#media-library-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Empty state */
.ml-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  gap: 12px;
  padding: 40px 20px;
  height: 100%;
}
.ml-empty p {
  font-size: 11px;
}

/* Item */
.ml-item {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 6px;
  gap: 10px;
  cursor: grab;
  transition: all var(--transition);
  user-select: none;
}
.ml-item:hover {
  border-color: var(--border-strong);
  background: var(--bg-hover);
}
.ml-item:active {
  cursor: grabbing;
}
.ml-item.dragging {
  opacity: 0.5;
}

/* Thumbnail */
.ml-thumb-wrap {
  width: 56px;
  height: 42px;
  background: var(--bg-deepest);
  border-radius: var(--radius-sm);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ml-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ml-icon {
  color: var(--text-muted);
}
.ml-badge {
  position: absolute;
  bottom: 2px;
  right: 2px;
  font-size: 8px;
  font-weight: 700;
  padding: 2px 4px;
  border-radius: 2px;
  color: white;
  text-shadow: 0 1px 2px rgba(0,0,0,0.8);
  background: rgba(0,0,0,0.6);
}
.ml-badge-video { color: var(--layer-video); }
.ml-badge-image { color: var(--layer-image); }
.ml-badge-audio { color: var(--layer-audio); }

/* Info */
.ml-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
}
.ml-name {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ml-meta {
  font-size: 9px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Canvas Drop Overlay */
#canvas-drop-overlay {
  position: absolute;
  inset: 0;
  background: rgba(124, 108, 255, 0.15);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  border: 2px dashed var(--accent);
  border-radius: var(--radius-lg);
  margin: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
#canvas-drop-overlay.active {
  opacity: 1;
}
#canvas-drop-overlay p {
  margin-top: 12px;
  font-weight: 600;
  font-size: 14px;
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE DESIGN (Media Queries)
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  #media-library {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    min-height: 250px;
    max-height: 350px;
  }
}