Remove Empty Folder From View

src/main.rs

@@ -3536,12 +3536,18 @@ fn offline_list_dir(dir: &std::path::Path) -> Vec<OfflineEntry> {
             None => continue,
         };
 
-        // Hide download marker files + aria2 artifacts
+        // Hide sidecar files
-        if name.ends_with(".cj-jftui.json") || name.ends_with(".aria2") || name.ends_with(".part") {
+        if !path.is_dir() && is_hidden_sidecar(&name) {
             continue;
         }
 
         let is_dir = path.is_dir();
+
+        // ✅ Hide "empty" folders (only sidecars / empty / no real files under them)
+        if is_dir && !dir_has_visible_content(&path) {
+            continue;
+        }
+
         out.push(OfflineEntry { name, path, is_dir });
     }
 
@@ -3557,6 +3563,44 @@ fn offline_list_dir(dir: &std::path::Path) -> Vec<OfflineEntry> {
     out
 }
 
+
+fn is_hidden_sidecar(name: &str) -> bool {
+    name.ends_with(".cj-jftui.json") || name.ends_with(".aria2") || name.ends_with(".part")
+}
+
+// Returns true if this directory contains any "visible" file or any subdir that does.
+fn dir_has_visible_content(dir: &std::path::Path) -> bool {
+    let rd = match std::fs::read_dir(dir) {
+        Ok(r) => r,
+        Err(_) => return false,
+    };
+
+    for ent in rd.flatten() {
+        let path = ent.path();
+        let name = match path.file_name().and_then(|s| s.to_str()) {
+            Some(s) => s,
+            None => continue,
+        };
+
+        if path.is_dir() {
+            if dir_has_visible_content(&path) {
+                return true;
+            }
+            continue;
+        }
+
+        // file
+        if is_hidden_sidecar(name) {
+            continue;
+        }
+
+        return true; // any other file means "visible content"
+    }
+
+    false
+}
+
+
 fn render_offline_library_dir(
     frame: &mut Frame,
     title: &str,