/**
 * File Browser Styles
 * Sidebar and file tree styling
 */

.sidebar {
  width: 280px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--text-primary);
}

.sidebar-tabs {
  display: flex;
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  flex: 1;
  padding: var(--spacing-sm);
  background-color: transparent;
  color: var(--text-secondary);
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: all 0.2s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tab-btn:hover {
  color: var(--text-primary);
  background-color: var(--hover-bg);
}

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
  background-color: var(--bg-secondary);
}

.sidebar-content {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.tab-content {
  display: none;
  height: 100%;
  overflow-y: auto;
  padding: var(--spacing-sm);
}

.tab-content.active {
  display: block;
}

/* File Tree */
.file-tree {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.tree-node {
  display: flex;
  flex-direction: column;
}

.tree-node.folder {
  margin-bottom: var(--spacing-sm);
}

.tree-node.folder > span {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  transition: background-color 0.2s;
}

.tree-node.folder > span:hover {
  background-color: var(--hover-bg);
}

.folder-icon {
  font-size: var(--font-size-md);
}

.folder-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.tree-children {
  list-style: none;
  padding-left: var(--spacing-lg);
  margin-top: var(--spacing-xs);
  display: none;
}

.tree-node.folder.expanded > .tree-children {
  display: block;
}

.tree-node.folder.expanded > span .folder-icon::before {
  content: '📂';
}

.tree-item {
  padding: var(--spacing-xs) var(--spacing-sm);
  margin-bottom: 2px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

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

.tree-item.selected {
  background-color: var(--active-bg);
  color: var(--accent-primary);
}

.file-icon {
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.file-name {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tree-item.selected .file-name {
  color: var(--accent-primary);
  font-weight: 500;
}

/* Saved Queries List */
.saved-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.saved-item {
  padding: var(--spacing-md);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.saved-item:hover {
  background-color: var(--hover-bg);
  border-color: var(--accent-primary);
}

.saved-item-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.saved-item-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.saved-item-meta {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

/* Schema Viewer */
.schema-viewer {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.schema-tables {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.schema-table {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.table-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.table-icon {
  font-size: var(--font-size-md);
}

.table-name {
  font-weight: 600;
  color: var(--accent-primary);
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
}

.table-columns {
  list-style: none;
  padding: var(--spacing-sm);
}

.column-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-family: var(--font-mono);
  border-radius: var(--border-radius-sm);
}

.column-item:hover {
  background-color: var(--hover-bg);
}

.column-name {
  color: var(--text-primary);
}

.column-type {
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}

/* Collapsed Sidebar */
.sidebar.collapsed {
  width: 0;
  overflow: hidden;
}