/* File tree styles */
.file-tree {
    font-size: 14px;
    user-select: none;
}

.tree-node {
    padding: 6px 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    border-radius: 4px;
    margin: 2px 0;
    color: var(--text-primary);
    transition: background-color 0.15s ease;
}

.tree-node:hover {
    background-color: var(--bg-tertiary);
}

.tree-node.active {
    background-color: #0969da;
    color: white;
}

body.dark-mode .tree-node.active {
    background-color: #1f6feb;
}

.tree-node-icon {
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.tree-node-content {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.tree-node-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tree-node-size {
    font-size: 11px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.tree-children {
    margin-left: 16px;
}

.tree-node.dragging {
    opacity: 0.5;
}

.tree-node.drag-over {
    background-color: var(--info-color);
    color: white;
}

/* Collection selector */
.collection-selector {
    margin-bottom: 10px;
    padding: 8px;
    background-color: var(--bg-tertiary);
    border-radius: 4px;
}

.collection-selector select {
    width: 100%;
    padding: 6px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}