color update with small UI changes

lib/screens/book_screen.dart

@@ -77,15 +77,22 @@ Color _getColorFromName(String colorName) {
       return Colors.lime;
     case 'mint':
       return Colors.greenAccent;
-    case 'sky':
+    case 'orange':
       return Colors.orange;
     case 'violet':
       return Colors.deepPurpleAccent;
+    case 'amber':
+      return Colors.amber;
+    case 'brown':
+      return Colors.brown;
+    case 'grey':
+      return Colors.grey;
     default:
       return Colors.blue; // fallback
   }
 }
 
+
   // Load the target data files from the directory
   void _loadTargetDataFiles() async {
   try {
@@ -590,15 +597,6 @@ Widget _buildFolderRow(String folderName) {
         color: isExpanded ? _bulletColor : Colors.transparent,
         width: 1.5,
       ),
-      boxShadow: isExpanded
-          ? [
-              BoxShadow(
-                color: _bulletColor.withOpacity(0.2),
-                blurRadius: 6,
-                offset: const Offset(0, 2),
-              ),
-            ]
-          : [],
     ),
     child: Column(
       crossAxisAlignment: CrossAxisAlignment.start,
@@ -611,7 +609,6 @@ Widget _buildFolderRow(String folderName) {
                   ? '🏆 $folderName'
                   : folderName,
               style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
-              overflow: TextOverflow.ellipsis,
             ),
           subtitle: Padding(
             padding: const EdgeInsets.only(top: 4.0),
@@ -626,7 +623,7 @@ Widget _buildFolderRow(String folderName) {
               IconButton(
                 iconSize: 22,
                 visualDensity: VisualDensity.compact,
-                icon: const Icon(Icons.my_location, color: Colors.grey),
+                icon: Icon(Icons.my_location, color: _bulletColor),
                 onPressed: () => _openFolderTargetView(folderName),
               ),
               IconButton(