diff --git a/Penumbra/Game/RefreshActors.cs b/Penumbra/Game/RefreshActors.cs
new file mode 100644
index 000000000..16a8f9343
--- /dev/null
+++ b/Penumbra/Game/RefreshActors.cs
@@ -0,0 +1,54 @@
+using System.Runtime.InteropServices;
+using Dalamud.Game.ClientState.Actors;
+using Dalamud.Game.ClientState.Actors.Types;
+using System.Threading.Tasks;
+
+namespace Penumbra
+{
+    public static class RefreshActors
+    {
+        private const int RenderModeOffset      = 0x0104;
+        private const int RenderTaskPlayerDelay = 75;
+        private const int RenderTaskOtherDelay  = 25;
+        private const int ModelInvisibilityFlag = 0b10;
+
+        private static async void Redraw(Actor actor)
+        {
+            var ptr = actor.Address;
+            var renderModePtr = ptr + RenderModeOffset;
+            var renderStatus = Marshal.ReadInt32(renderModePtr);
+
+            async void DrawObject(int delay)
+            {
+                Marshal.WriteInt32(renderModePtr, renderStatus | ModelInvisibilityFlag);
+                await Task.Delay(delay);
+                Marshal.WriteInt32(renderModePtr, renderStatus & ~ModelInvisibilityFlag);
+            }
+
+            if (actor.ObjectKind == Dalamud.Game.ClientState.Actors.ObjectKind.Player)
+            {
+                DrawObject(RenderTaskPlayerDelay);
+                await Task.Delay(RenderTaskPlayerDelay);
+            }
+            else
+                DrawObject(RenderTaskOtherDelay);
+            
+        }
+
+        public static void RedrawSpecific(ActorTable actors, string name)
+        {
+            if (name?.Length == 0)
+                RedrawAll(actors);
+
+            foreach (var actor in actors)
+                if (actor.Name == name)
+                    Redraw(actor);
+        }
+
+        public static void RedrawAll(ActorTable actors)
+        {
+            foreach (var actor in actors)
+                Redraw(actor);
+        }
+    }
+}
diff --git a/Penumbra/Importer/TexToolsImport.cs b/Penumbra/Importer/TexToolsImport.cs
index 9ec04a571..ee6b1fec9 100644
--- a/Penumbra/Importer/TexToolsImport.cs
+++ b/Penumbra/Importer/TexToolsImport.cs
@@ -58,7 +58,10 @@ public void ImportModPack( FileInfo modPackFile )
 
                 case ".ttmp2":
                     ImportV2ModPack( modPackFile );
-                    return;
+                    return;
+
+                default:
+                    throw new ArgumentException( $"Unrecognized modpack format: {modPackFile.Extension}", nameof(modPackFile) );
             }
 
             State = ImporterState.Done;
@@ -237,19 +240,22 @@ private void AddMeta( DirectoryInfo baseFolder, DirectoryInfo groupFolder,ModGro
                 GroupName = group.GroupName,
                 Options = new List<Option>(),
             };
-            foreach( var opt in group.OptionList )
+            foreach( var opt in group.OptionList ) 
             {
                 var optio = new Option
                 {
                     OptionName = opt.Name,
-                    OptionDesc = String.IsNullOrEmpty( opt.Description ) ? "" : opt.Description,
-                    OptionFiles = new Dictionary<string, string>()
+                    OptionDesc = String.IsNullOrEmpty(opt.Description) ? "" : opt.Description,
+                    OptionFiles = new Dictionary<string, HashSet<string>>()
                 };
-                var optDir = new DirectoryInfo( Path.Combine( groupFolder.FullName, opt.Name ) );
-                foreach( var file in optDir.EnumerateFiles( "*.*", SearchOption.AllDirectories ) )
+                var optDir = new DirectoryInfo(Path.Combine( groupFolder.FullName, opt.Name));
+                if (optDir.Exists)
                 {
-                    optio.OptionFiles[file.FullName.Substring( baseFolder.FullName.Length ).TrimStart( '\\' )] = file.FullName.Substring( optDir.FullName.Length ).TrimStart( '\\' ).Replace( '\\', '/' );
-                }
+                    foreach ( var file in optDir.EnumerateFiles("*.*", SearchOption.AllDirectories) ) 
+                    {
+                        optio.AddFile(file.FullName.Substring(baseFolder.FullName.Length).TrimStart('\\'), file.FullName.Substring(optDir.FullName.Length).TrimStart('\\').Replace('\\','/'));
+                    }
+                }
                 Inf.Options.Add( optio );
             }
             meta.Groups.Add( group.GroupName, Inf );
@@ -333,4 +339,4 @@ private static string GetStringFromZipEntry( ZipFile file, ZipEntry entry, Encod
             return encoding.GetString( ms.ToArray() );
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Penumbra/Models/Deduplicator.cs b/Penumbra/Models/Deduplicator.cs
new file mode 100644
index 000000000..2059a976d
--- /dev/null
+++ b/Penumbra/Models/Deduplicator.cs
@@ -0,0 +1,163 @@
+using System.Collections.Generic;
+using System.Security.Cryptography;
+using System.IO;
+using System.Linq;
+using System.Collections;
+using Dalamud.Plugin;
+
+namespace Penumbra.Models
+{
+    public class Deduplicator
+    {
+        private DirectoryInfo baseDir;
+        private int           baseDirLength;
+        private ModMeta       mod;
+        private SHA256        hasher = null;
+
+        private Dictionary<long, List<FileInfo>> filesBySize;
+
+        private ref SHA256 Sha()
+        {
+            if (hasher == null)
+                hasher = SHA256.Create();
+            return ref hasher;
+        }
+
+        public Deduplicator(DirectoryInfo baseDir, ModMeta mod)
+        {
+            this.baseDir       = baseDir;
+            this.baseDirLength = baseDir.FullName.Length;
+            this.mod           = mod;
+            filesBySize        = new();
+
+            BuildDict();  
+        }
+
+        private void BuildDict()
+        {
+            foreach( var file in baseDir.EnumerateFiles( "*.*", SearchOption.AllDirectories ) )
+            {
+                var fileLength = file.Length;
+                if (filesBySize.TryGetValue(fileLength, out var files))
+                    files.Add(file);
+                else
+                    filesBySize[fileLength] = new(){ file };
+            }
+        }
+
+        public void Run()
+        {
+            foreach (var pair in filesBySize)
+            {
+                if (pair.Value.Count < 2)
+                    continue;
+
+                if (pair.Value.Count == 2)
+                {
+                    if (CompareFilesDirectly(pair.Value[0], pair.Value[1]))
+                        ReplaceFile(pair.Value[0], pair.Value[1]);
+                }
+                else
+                {
+                    var deleted = Enumerable.Repeat(false, pair.Value.Count).ToArray();
+                    var hashes  = pair.Value.Select( F => ComputeHash(F)).ToArray();
+
+                    for (var i = 0; i < pair.Value.Count; ++i)
+                    {
+                        if (deleted[i])
+                            continue;
+
+                        for (var j = i + 1; j < pair.Value.Count; ++j)
+                        {
+                            if (deleted[j])
+                                continue;
+
+                            if (!CompareHashes(hashes[i], hashes[j]))
+                                continue;
+
+                            ReplaceFile(pair.Value[i], pair.Value[j]);
+                            deleted[j] = true;
+                        }
+                    }
+                }
+            }
+            ClearEmptySubDirectories(baseDir);
+        }
+
+        private void ReplaceFile(FileInfo f1, FileInfo f2)
+        {
+            var relName1 = f1.FullName.Substring(baseDirLength).TrimStart('\\');
+            var relName2 = f2.FullName.Substring(baseDirLength).TrimStart('\\');
+
+            var inOption = false;
+            foreach (var group in mod.Groups.Select( g => g.Value.Options))
+            {
+                foreach (var option in group)
+                {
+                    if (option.OptionFiles.TryGetValue(relName2, out var values))
+                    {
+                        inOption = true;
+                        foreach (var value in values)
+                            option.AddFile(relName1, value);
+                        option.OptionFiles.Remove(relName2);
+                    }
+                }
+            }
+            if (!inOption)
+            {
+                const string duplicates = "Duplicates";
+                if (!mod.Groups.ContainsKey(duplicates))
+                {
+                    InstallerInfo info = new()
+                    {
+                        GroupName = duplicates,
+                        SelectionType = SelectType.Single,
+                        Options = new()
+                        { 
+                            new()
+                            {
+                                OptionName  = "Required", 
+                                OptionDesc  = "", 
+                                OptionFiles = new()
+                            }
+                        }
+                    };
+                    mod.Groups.Add(duplicates, info);
+                }
+                mod.Groups[duplicates].Options[0].AddFile(relName1, relName2.Replace('\\', '/'));
+                mod.Groups[duplicates].Options[0].AddFile(relName1, relName1.Replace('\\', '/'));
+            }
+            PluginLog.Information($"File {relName1} and {relName2} are identical. Deleting the second.");
+            f2.Delete();
+        }
+
+        public static bool CompareFilesDirectly(FileInfo f1, FileInfo f2)
+        {
+            return File.ReadAllBytes(f1.FullName).SequenceEqual(File.ReadAllBytes(f2.FullName));
+        }
+
+        public static bool CompareHashes(byte[] f1, byte[] f2)
+        {
+            return StructuralComparisons.StructuralEqualityComparer.Equals(f1, f2);
+        }
+
+        public byte[] ComputeHash(FileInfo f)
+        {
+            var stream = File.OpenRead( f.FullName );
+            var ret = Sha().ComputeHash(stream);
+            stream.Dispose();
+            return ret;
+        }
+
+        // Does not delete the base directory itself even if it is completely empty at the end.
+        public static void ClearEmptySubDirectories(DirectoryInfo baseDir)
+        {
+            foreach (var subDir in baseDir.GetDirectories())
+            {
+                ClearEmptySubDirectories(subDir);
+                if (subDir.GetFiles().Length == 0 && subDir.GetDirectories().Length == 0)
+                    subDir.Delete();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/Models/GroupInformation.cs b/Penumbra/Models/GroupInformation.cs
index f7eb19e33..0402c490f 100644
--- a/Penumbra/Models/GroupInformation.cs
+++ b/Penumbra/Models/GroupInformation.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using Newtonsoft.Json;
 
 namespace Penumbra.Models
 {
@@ -10,12 +11,24 @@ public struct Option
     {
         public string OptionName;
         public string OptionDesc;
-        public Dictionary<string, string> OptionFiles;
+
+        [JsonProperty(ItemConverterType = typeof(SingleOrArrayConverter<string>))]
+        public Dictionary<string, HashSet<string>> OptionFiles;
+
+        public bool AddFile(string filePath, string gamePath)
+        {
+            if (OptionFiles.TryGetValue(filePath, out var set))
+                return set.Add(gamePath);
+            else
+                OptionFiles[filePath] = new(){ gamePath };
+            return true;
+        }
     }
-    public struct InstallerInfo
-    {
+
+    public struct InstallerInfo {
         public string GroupName;
+        [JsonConverter(typeof(Newtonsoft.Json.Converters.StringEnumConverter))]
         public SelectType SelectionType;
         public List<Option> Options;
     }
-}
\ No newline at end of file
+}
diff --git a/Penumbra/Models/ModMeta.cs b/Penumbra/Models/ModMeta.cs
index 6128b241a..1ab6d31ed 100644
--- a/Penumbra/Models/ModMeta.cs
+++ b/Penumbra/Models/ModMeta.cs
@@ -1,4 +1,8 @@
-using System.Collections.Generic;
+using System.Collections.Generic;
+using Newtonsoft.Json;
+using System.Linq;
+using System.IO;
+using System;
 
 namespace Penumbra.Models
 {
@@ -17,6 +21,25 @@ public class ModMeta
 
         public Dictionary< string, string > FileSwaps { get; } = new();
 
-        public Dictionary<string, InstallerInfo> Groups { get; set; } = new();
+        public Dictionary<string, InstallerInfo> Groups { get; set; } = new();
+
+        [JsonIgnore]
+        public bool HasGroupWithConfig { get; set; } = false;
+
+        public static ModMeta LoadFromFile(string filePath)
+        {
+            try
+            {
+                var meta = JsonConvert.DeserializeObject< ModMeta >( File.ReadAllText( filePath ) );
+                meta.HasGroupWithConfig = meta.Groups != null && meta.Groups.Count > 0 
+                    && meta.Groups.Values.Any( G => G.SelectionType == SelectType.Multi || G.Options.Count > 1);
+                return meta;
+            }
+            catch( Exception)
+            {
+                return null;
+                // todo: handle broken mods properly
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/Penumbra/Mods/ModCollection.cs b/Penumbra/Mods/ModCollection.cs
index 4c6eea786..10bf35fd2 100644
--- a/Penumbra/Mods/ModCollection.cs
+++ b/Penumbra/Mods/ModCollection.cs
@@ -64,19 +64,7 @@ public void Load( bool invertOrder = false )
                     continue;
                 }
 
-                ModMeta meta;
-
-                try
-                {
-                    meta = JsonConvert.DeserializeObject< ModMeta >( File.ReadAllText( metaFile.FullName ) );
-                }
-                catch( Exception e )
-                {
-                    PluginLog.Error( e, "failed to parse mod info, attempting basic load for: {FilePath}", metaFile.FullName );
-                    continue;
-                    
-                    // todo: handle broken mods properly
-                }
+                var meta = ModMeta.LoadFromFile(metaFile.FullName);
 
                 var mod = new ResourceMod
                 {
@@ -218,4 +206,4 @@ public IEnumerable<ResourceMod> GetOrderedAndEnabledModList( bool invertOrder =
                 .Select( x => (x.Mod, x) );
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Penumbra/Mods/ModManager.cs b/Penumbra/Mods/ModManager.cs
index c63d338f3..5a9ba0fb7 100644
--- a/Penumbra/Mods/ModManager.cs
+++ b/Penumbra/Mods/ModManager.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using Penumbra.Models;
 
 namespace Penumbra.Mods
@@ -102,21 +103,7 @@ public void DiscoverMods( DirectoryInfo basePath )
             // Needed to reload body textures with mods
             //_plugin.GameUtils.ReloadPlayerResources();
         }
-        private (InstallerInfo, Option, string) GlobalPosition( string rel, Dictionary<string, InstallerInfo> gps )
-        {
-            string filePath = null;
-            foreach( var g in gps )
-            {
-                foreach( var opt in g.Value.Options )
-                {
-                    if( opt.OptionFiles.TryGetValue( rel, out filePath ) )
-                    {
-                        return (g.Value, opt, filePath);
-                    }
-                }
-            }
-            return (default( InstallerInfo ), default( Option ), null);
-        }
+
         public void CalculateEffectiveFileList()
         {
             ResolvedFiles.Clear();
@@ -131,65 +118,87 @@ public void CalculateEffectiveFileList()
                 // fixup path
                 var baseDir = mod.ModBasePath.FullName;
 
+                if(settings.Conf == null) {
+                    settings.Conf = new();
+                    _plugin.ModManager.Mods.Save();
+                }
+
                 foreach( var file in mod.ModFiles )
                 {
                     var relativeFilePath = file.FullName.Substring( baseDir.Length ).TrimStart( '\\' );
-
-                    string gamePath;
-                    bool addFile = true;
-                    var gps = mod.Meta.Groups;
-                    if( gps.Count >= 1 )
+                    
+                    bool doNotAdd = false;
+                    void AddFiles(HashSet<string> gamePaths)
                     {
-                        var negivtron = GlobalPosition( relativeFilePath, gps );
-                        if( negivtron.Item3 != null )
+                        doNotAdd = true;
+                        foreach (var gamePath in gamePaths)
                         {
-                            if( settings.Conf == null )
-                            {
-                                settings.Conf = new();
-                                _plugin.ModManager.Mods.Save();
-                            }
-                            if( !settings.Conf.ContainsKey( negivtron.Item1.GroupName ) )
-                            {
-                                settings.Conf[negivtron.Item1.GroupName] = 0;
-                                _plugin.ModManager.Mods.Save();
+                            if( !ResolvedFiles.ContainsKey( gamePath ) )                            {
+                                ResolvedFiles[ gamePath.ToLowerInvariant() ] = file;
+                                registeredFiles[ gamePath ] = mod.Meta.Name;
                             }
-                            var current = settings.Conf[negivtron.Item1.GroupName];
-                            var flag = negivtron.Item1.Options.IndexOf( negivtron.Item2 );
-                            switch( negivtron.Item1.SelectionType )
+                            else if( registeredFiles.TryGetValue( gamePath, out var modName ) )
                             {
-                                case SelectType.Single:
-                                    {
-                                        addFile = current == flag;
-                                        break;
-                                    }
-                                case SelectType.Multi:
-                                    {
-                                        flag = 1 << negivtron.Item1.Options.IndexOf( negivtron.Item2 );
-                                        addFile = ( flag & current ) != 0;
-                                        break;
-                                    }
+                                mod.AddConflict( modName, gamePath );
                             }
-                            gamePath = negivtron.Item3;
-                        }
-                        else
-                        {
-                            gamePath = relativeFilePath.Replace( '\\', '/' );
                         }
                     }
-                    else
-                        gamePath = relativeFilePath.Replace( '\\', '/' );
-                    if( addFile )
-                    {
-                        if( !ResolvedFiles.ContainsKey( gamePath ) )                            {
-                            ResolvedFiles[ gamePath.ToLowerInvariant() ] = file;
-                            registeredFiles[ gamePath ] = mod.Meta.Name;
-                        }
-                        else if( registeredFiles.TryGetValue( gamePath, out var modName ) )
+
+                    HashSet<string> paths;
+                    foreach (var group in mod.Meta.Groups.Select( G => G.Value))
+                    {
+                        if (!settings.Conf.TryGetValue(group.GroupName, out var setting) 
+                            || (group.SelectionType == SelectType.Single && settings.Conf[group.GroupName] >= group.Options.Count))
+                        {
+                            settings.Conf[group.GroupName] = 0;
+                            _plugin.ModManager.Mods.Save();
+                            setting = 0;
+                        }
+
+                        if (group.Options.Count == 0)
+                            continue;
+
+                        if (group.SelectionType == SelectType.Multi)
+                            settings.Conf[group.GroupName] &= ((1 << group.Options.Count) - 1);
+                        
+                        switch(group.SelectionType)
                         {
-                            mod.AddConflict( modName, gamePath );
+                            case SelectType.Single:
+                                if (group.Options[setting].OptionFiles.TryGetValue(relativeFilePath, out paths))
+                                    AddFiles(paths);
+                                else
+                                {
+                                    for(var i = 0; i < group.Options.Count; ++i)
+                                    {
+                                        if (i == setting)
+                                            continue;
+                                        if(group.Options[i].OptionFiles.ContainsKey(relativeFilePath))
+                                        {
+                                            doNotAdd = true;
+                                            break;
+                                        }
+                                    }
+                                }
+                                break;
+                            case SelectType.Multi:
+                                for(var i = 0; i < group.Options.Count; ++i)
+                                {
+                                    if ((setting & (1 << i)) != 0)
+                                    {
+                                        if (group.Options[i].OptionFiles.TryGetValue(relativeFilePath, out paths))
+                                            AddFiles(paths);
+                                    }
+                                    else if (group.Options[i].OptionFiles.ContainsKey(relativeFilePath))
+                                        doNotAdd = true;
+                                }
+                                break;
                         }
                     }
+                    if (!doNotAdd)
+                        AddFiles(new() { relativeFilePath.Replace( '\\', '/' ) });
                 }
+
+
                 foreach( var swap in mod.Meta.FileSwaps )
                 {
                     // just assume people put not fucked paths in here lol
@@ -253,4 +262,4 @@ public void Dispose()
             // _fileSystemWatcher?.Dispose();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/Penumbra/Mods/ResourceMod.cs b/Penumbra/Mods/ResourceMod.cs
index a167ee51b..3689fe40a 100644
--- a/Penumbra/Mods/ResourceMod.cs
+++ b/Penumbra/Mods/ResourceMod.cs
@@ -22,7 +22,8 @@ public void RefreshModFiles()
                 PluginLog.LogError( "no basepath has been set on {ResourceModName}", Meta.Name );
                 return;
             }
-
+
+            ModFiles.Clear();
             // we don't care about any _files_ in the root dir, but any folders should be a game folder/file combo
             foreach( var dir in ModBasePath.EnumerateDirectories() )
             {
diff --git a/Penumbra/Plugin.cs b/Penumbra/Plugin.cs
index 38cf4a9e0..b8ee98b26 100644
--- a/Penumbra/Plugin.cs
+++ b/Penumbra/Plugin.cs
@@ -1,3 +1,4 @@
+using System.Linq;
 using Dalamud.Game.Command;
 using Dalamud.Plugin;
 using EmbedIO;
@@ -118,13 +119,21 @@ private void OnCommand( string command, string rawArgs )
                             $"Reloaded Penumbra mods. You have {ModManager.Mods.ModSettings.Count} mods, {ModManager.Mods.EnabledMods.Length} of which are enabled."
                         );
                         break;
+                    }
+                    case "redraw":
+                    {
+                        if (args.Length > 1)
+                            RefreshActors.RedrawSpecific(PluginInterface.ClientState.Actors, string.Join(" ", args.Skip(1)));
+                        else
+                            RefreshActors.RedrawAll(PluginInterface.ClientState.Actors);
+                        break;
                     }
                 }
 
                 return;
             }
 
-            SettingsInterface.Visible = !SettingsInterface.Visible;
+            SettingsInterface.FlipVisibility();
         }
     }
 }
diff --git a/Penumbra/ResourceLoader.cs b/Penumbra/ResourceLoader.cs
index 86cf2b444..5ec263d5f 100644
--- a/Penumbra/ResourceLoader.cs
+++ b/Penumbra/ResourceLoader.cs
@@ -127,30 +127,33 @@ bool isUnknown
             if( LogAllFiles )
             {
                 PluginLog.Log( "[GetResourceHandler] {0}", gameFsPath );
-            }
-
-            var replacementPath = Plugin.ModManager.ResolveSwappedOrReplacementFilePath( gameFsPath );
+            }
+
+            if (Plugin.Configuration.IsEnabled)
+            {
+                var replacementPath = Plugin.ModManager.ResolveSwappedOrReplacementFilePath( gameFsPath );
 
-            // path must be < 260 because statically defined array length :(
-            if( replacementPath == null || replacementPath.Length >= 260 )
-            {
-                return CallOriginalHandler( isSync, pFileManager, pCategoryId, pResourceType, pResourceHash, pPath, pUnknown, isUnknown );
-            }
+                // path must be < 260 because statically defined array length :(
+                if( replacementPath == null || replacementPath.Length >= 260 )
+                {
+                    return CallOriginalHandler( isSync, pFileManager, pCategoryId, pResourceType, pResourceHash, pPath, pUnknown, isUnknown );
+                }
 
-            var cleanPath = replacementPath.Replace( '\\', '/' );
-            var path = Encoding.ASCII.GetBytes( cleanPath );
+                var cleanPath = replacementPath.Replace( '\\', '/' );
+                var path = Encoding.ASCII.GetBytes( cleanPath );
 
-            var bPath = stackalloc byte[path.Length + 1];
-            Marshal.Copy( path, 0, new IntPtr( bPath ), path.Length );
-            pPath = ( char* )bPath;
+                var bPath = stackalloc byte[path.Length + 1];
+                Marshal.Copy( path, 0, new IntPtr( bPath ), path.Length );
+                pPath = ( char* )bPath;
 
-            Crc32.Init();
-            Crc32.Update( path );
-            *pResourceHash = Crc32.Checksum;
+                Crc32.Init();
+                Crc32.Update( path );
+                *pResourceHash = Crc32.Checksum;
 
 #if DEBUG
-            PluginLog.Log( "[GetResourceHandler] resolved {GamePath} to {NewPath}", gameFsPath, replacementPath );
-#endif
+                PluginLog.Log( "[GetResourceHandler] resolved {GamePath} to {NewPath}", gameFsPath, replacementPath );
+#endif
+            }
             
             return CallOriginalHandler( isSync, pFileManager, pCategoryId, pResourceType, pResourceHash, pPath, pUnknown, isUnknown );
         }
diff --git a/Penumbra/UI/ImGuiFramedGroup.cs b/Penumbra/UI/ImGuiFramedGroup.cs
new file mode 100644
index 000000000..01262878e
--- /dev/null
+++ b/Penumbra/UI/ImGuiFramedGroup.cs
@@ -0,0 +1,130 @@
+using System;
+using System.Collections.Generic;
+using System.Numerics;
+using ImGuiNET;
+
+namespace Penumbra.UI
+{
+    public static partial class ImGuiCustom
+    {
+        public static void BeginFramedGroup(string label) => BeginFramedGroupInternal(ref label, ZeroVector, false);
+        public static void BeginFramedGroup(string label, Vector2 minSize) => BeginFramedGroupInternal(ref label, minSize, false);
+
+        public static bool BeginFramedGroupEdit(ref string label) => BeginFramedGroupInternal(ref label, ZeroVector, true);
+        public static bool BeginFramedGroupEdit(ref string label, Vector2 minSize) => BeginFramedGroupInternal(ref label, minSize, true);
+
+        private static bool BeginFramedGroupInternal(ref string label, Vector2 minSize, bool edit)
+        {
+            var itemSpacing     = ImGui.GetStyle().ItemSpacing;
+            var frameHeight     = ImGui.GetFrameHeight();
+            var halfFrameHeight = new Vector2(ImGui.GetFrameHeight() / 2, 0);
+
+            ImGui.BeginGroup(); // First group
+
+            ImGui.PushStyleVar(ImGuiStyleVar.FramePadding, ZeroVector);
+            ImGui.PushStyleVar(ImGuiStyleVar.ItemSpacing,  ZeroVector);
+
+            ImGui.BeginGroup(); // Second group
+
+            var effectiveSize = minSize;
+            if (effectiveSize.X < 0)
+                effectiveSize.X = ImGui.GetContentRegionAvail().X;
+
+            // Ensure width.
+            ImGui.Dummy(new(effectiveSize.X, 0));
+            // Ensure left half boundary width/distance.
+            ImGui.Dummy(halfFrameHeight);
+
+            ImGui.SameLine();
+            ImGui.BeginGroup(); // Third group.
+            // Ensure right half of boundary width/distance
+            ImGui.Dummy(halfFrameHeight);
+
+            // Label block
+            ImGui.SameLine();
+            var ret = false;
+            if (edit)
+                ret = ImGuiCustom.ResizingTextInput(ref label, 1024);
+            else
+                ImGui.TextUnformatted(label);
+
+            var labelMin = ImGui.GetItemRectMin();
+            var labelMax = ImGui.GetItemRectMax();
+            ImGui.SameLine();
+            // Ensure height and distance to label.
+            ImGui.Dummy(new Vector2(0, frameHeight + itemSpacing.Y));
+
+            ImGui.BeginGroup(); // Fourth Group.
+
+            ImGui.PopStyleVar(2);
+
+            ImGui.SetWindowSize(new Vector2(ImGui.GetWindowSize().X - frameHeight, ImGui.GetWindowSize().Y));
+
+            var itemWidth = ImGui.CalcItemWidth();
+            ImGui.PushItemWidth(Math.Max(0f, itemWidth - frameHeight));
+
+            labelStack.Add((labelMin, labelMax));
+            return ret;
+        }
+
+        private static void DrawClippedRect(Vector2 clipMin, Vector2 clipMax, Vector2 drawMin, Vector2 drawMax, uint color, float thickness)
+        {
+            ImGui.PushClipRect(clipMin, clipMax, true);
+            ImGui.GetWindowDrawList().AddRect(drawMin, drawMax, color, thickness);
+            ImGui.PopClipRect();
+        }
+
+        public static void EndFramedGroup()
+        {
+            uint    borderColor     = ImGui.ColorConvertFloat4ToU32(ImGui.GetStyle().Colors[(int)ImGuiCol.Border]);
+            Vector2 itemSpacing     = ImGui.GetStyle().ItemSpacing;
+            float   frameHeight     = ImGui.GetFrameHeight();
+            Vector2 halfFrameHeight = new(ImGui.GetFrameHeight() / 2, 0);
+
+            ImGui.PopItemWidth();
+
+            ImGui.PushStyleVar(ImGuiStyleVar.FramePadding, ZeroVector);
+            ImGui.PushStyleVar(ImGuiStyleVar.ItemSpacing,  ZeroVector);
+
+            ImGui.EndGroup(); // Close fourth group
+            ImGui.EndGroup(); // Close third group
+
+            ImGui.SameLine();
+            // Ensure right distance.
+            ImGui.Dummy(halfFrameHeight);
+            // Ensure bottom distance
+            ImGui.Dummy(new Vector2(0, frameHeight/2 - itemSpacing.Y));
+            ImGui.EndGroup(); // Close second group
+
+            var itemMin = ImGui.GetItemRectMin();
+            var itemMax = ImGui.GetItemRectMax();
+            var (currentLabelMin, currentLabelMax) = labelStack[labelStack.Count - 1];
+            labelStack.RemoveAt(labelStack.Count - 1);
+
+            var halfFrame = new Vector2(frameHeight / 8, frameHeight / 2);
+            currentLabelMin.X -= itemSpacing.X;
+            currentLabelMax.X += itemSpacing.X;
+            var frameMin = itemMin + halfFrame;
+            var frameMax = itemMax - new Vector2(halfFrame.X, 0);
+
+            // Left
+            DrawClippedRect(new(-float.MaxValue  , -float.MaxValue  ), new(currentLabelMin.X, float.MaxValue   ), frameMin, frameMax, borderColor, halfFrame.X);
+            // Right
+            DrawClippedRect(new(currentLabelMax.X, -float.MaxValue  ), new(float.MaxValue   , float.MaxValue   ), frameMin, frameMax, borderColor, halfFrame.X);
+            // Top
+            DrawClippedRect(new(currentLabelMin.X, -float.MaxValue  ), new(currentLabelMax.X, currentLabelMin.Y), frameMin, frameMax, borderColor, halfFrame.X);
+            // Bottom
+            DrawClippedRect(new(currentLabelMin.X, currentLabelMax.Y), new(currentLabelMax.X, float.MaxValue   ), frameMin, frameMax, borderColor, halfFrame.X);
+
+            ImGui.PopStyleVar(2);
+            ImGui.SetWindowSize(new Vector2(ImGui.GetWindowSize().X + frameHeight, ImGui.GetWindowSize().Y));
+            ImGui.Dummy(ZeroVector);
+
+            ImGui.EndGroup(); // Close first group
+        }
+
+        private static readonly Vector2 ZeroVector = new(0, 0);
+
+        private static List<(Vector2, Vector2)> labelStack = new();
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/ImGuiRenameableCombo.cs b/Penumbra/UI/ImGuiRenameableCombo.cs
new file mode 100644
index 000000000..4fa0509b7
--- /dev/null
+++ b/Penumbra/UI/ImGuiRenameableCombo.cs
@@ -0,0 +1,43 @@
+using ImGuiNET;
+
+namespace Penumbra.UI
+{
+    public static partial class ImGuiCustom
+    {
+        public static bool RenameableCombo(string label, ref int currentItem, ref string newName, string[] items, int numItems)
+        {
+            var ret = false;
+            newName = "";
+            var newOption = "";
+            if (ImGui.BeginCombo(label, (numItems > 0) ? items[currentItem] : newOption))
+            {
+                for (var i = 0; i < numItems; ++i)
+                {
+                    var isSelected = i == currentItem;
+                    ImGui.SetNextItemWidth(-1);
+                    if (ImGui.InputText($"##{label}_{i}", ref items[i], 64, ImGuiInputTextFlags.EnterReturnsTrue))
+                    {
+                        currentItem = i;
+                        newName = items[i];
+                        ret = true;
+                        ImGui.CloseCurrentPopup();
+                    }
+                    if (isSelected)
+                        ImGui.SetItemDefaultFocus();
+                }
+                ImGui.SetNextItemWidth(-1);
+                if (ImGui.InputText($"##{label}_new", ref newOption, 64, ImGuiInputTextFlags.EnterReturnsTrue))
+                {
+                    currentItem = numItems;
+                    newName = newOption;
+                    ret = true;
+                    ImGui.CloseCurrentPopup();
+                }
+                if (numItems == 0)
+                    ImGui.SetItemDefaultFocus();
+                ImGui.EndCombo();
+            }
+            return ret;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/ImGuiResizingTextInput.cs b/Penumbra/UI/ImGuiResizingTextInput.cs
new file mode 100644
index 000000000..8ec12d664
--- /dev/null
+++ b/Penumbra/UI/ImGuiResizingTextInput.cs
@@ -0,0 +1,40 @@
+using System.Collections.Generic;
+using ImGuiNET;
+
+namespace Penumbra.UI
+{
+    public static partial class ImGuiCustom
+    {
+        public static bool InputOrText(bool editable, string label, ref string text, uint maxLength)
+        {
+            if (editable)
+                return ResizingTextInput(label, ref text, maxLength);
+                    
+            ImGui.Text(text);
+            return false;
+        }
+
+        public static bool ResizingTextInput(string label, ref string input, uint maxLength) => ResizingTextInputIntern(label, ref input, maxLength).Item1;
+        public static bool ResizingTextInput(ref string input, uint maxLength)
+        {
+            var (ret, id) = ResizingTextInputIntern($"##{input}", ref input, maxLength);
+            if (ret)
+                _textInputWidths.Remove(id);
+            return ret;
+        }
+
+        private static (bool, uint) ResizingTextInputIntern(string label, ref string input, uint maxLength)
+        {
+            var id    = ImGui.GetID(label);
+            if (!_textInputWidths.TryGetValue(id, out var width))
+                width = ImGui.CalcTextSize(input).X + 10;
+
+            ImGui.SetNextItemWidth(width);
+            var ret = ImGui.InputText(label, ref input, maxLength, ImGuiInputTextFlags.EnterReturnsTrue);
+            _textInputWidths[id] = ImGui.CalcTextSize(input).X + 10;
+            return (ret, id);
+        }
+
+        private static readonly Dictionary<uint, float> _textInputWidths = new();
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/ImGuiUtil.cs b/Penumbra/UI/ImGuiUtil.cs
new file mode 100644
index 000000000..58a00a335
--- /dev/null
+++ b/Penumbra/UI/ImGuiUtil.cs
@@ -0,0 +1,26 @@
+using ImGuiNET;
+
+namespace Penumbra.UI
+{
+    public static partial class ImGuiCustom
+    {
+        public static void VerticalDistance(float distance)
+        {
+            ImGui.SetCursorPosY(ImGui.GetCursorPosY() + distance);
+        }
+
+        public static void RightJustifiedText(float pos, string text)
+        {
+            ImGui.SetCursorPosX(pos - ImGui.CalcTextSize(text).X - 2 * ImGui.GetStyle().ItemSpacing.X);
+            ImGui.Text(text);
+        }
+
+        public static void RightJustifiedLabel(float pos, string text)
+        {
+            ImGui.SetCursorPosX(pos - ImGui.CalcTextSize(text).X - ImGui.GetStyle().ItemSpacing.X / 2);
+            ImGui.Text(text);
+            ImGui.SameLine(pos);
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/LaunchButton.cs b/Penumbra/UI/LaunchButton.cs
new file mode 100644
index 000000000..cd61c6de9
--- /dev/null
+++ b/Penumbra/UI/LaunchButton.cs
@@ -0,0 +1,56 @@
+using System.Numerics;
+using ImGuiNET;
+
+namespace Penumbra.UI
+{
+    public partial class SettingsInterface
+    {
+        private class LaunchButton
+        {
+            // magic numbers
+            private const int     Padding         =  50;
+            private const int     Width           = 200;
+            private const int     Height          =  45;
+            private const string  MenuButtonsName = "Penumbra Menu Buttons";
+            private const string  MenuButtonLabel = "Manage Mods";
+
+            private static readonly Vector2 WindowSize      = new(Width, Height);
+            private static readonly Vector2 WindowPosOffset = new(Padding + Width, Padding + Height);
+
+            private readonly ImGuiWindowFlags ButtonFlags = ImGuiWindowFlags.AlwaysAutoResize
+                | ImGuiWindowFlags.NoBackground
+                | ImGuiWindowFlags.NoDecoration
+                | ImGuiWindowFlags.NoMove
+                | ImGuiWindowFlags.NoScrollbar
+                | ImGuiWindowFlags.NoResize
+                | ImGuiWindowFlags.NoSavedSettings;
+
+            private readonly SettingsInterface                  _base;
+            private readonly Dalamud.Game.ClientState.Condition _condition;
+
+            public LaunchButton(SettingsInterface ui)
+            {
+                _base      = ui;
+                _condition = ui._plugin.PluginInterface.ClientState.Condition;
+            }
+
+            public void Draw()
+            { 
+                if( !_condition.Any() && !_base._menu.Visible )
+                {
+                    var ss = ImGui.GetIO().DisplaySize;
+
+                    ImGui.SetNextWindowPos( ss - WindowPosOffset, ImGuiCond.Always );
+
+                    if( ImGui.Begin(MenuButtonsName, ButtonFlags) )
+                    {
+                        if( ImGui.Button( MenuButtonLabel, WindowSize ) )
+                            _base.FlipVisibility();
+
+                        ImGui.End();
+                    }
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/MenuBar.cs b/Penumbra/UI/MenuBar.cs
new file mode 100644
index 000000000..aa6e929bc
--- /dev/null
+++ b/Penumbra/UI/MenuBar.cs
@@ -0,0 +1,43 @@
+using ImGuiNET;
+
+namespace Penumbra.UI
+{
+    public partial class SettingsInterface
+    {
+        private class MenuBar
+        {
+            private const string MenuLabel          = "Penumbra";
+            private const string MenuItemToggle     = "Toggle UI";
+            private const string SlashCommand       = "/penumbra";
+            private const string MenuItemRediscover = "Rediscover Mods";
+
+#if DEBUG
+            private const bool _showDebugBar = true;
+#else
+            private const bool _showDebugBar = false;
+#endif
+
+            private readonly SettingsInterface _base;
+            public MenuBar(SettingsInterface ui) => _base = ui;
+
+            public void Draw()
+            {
+                if( _showDebugBar && ImGui.BeginMainMenuBar() )
+                {
+                    if( ImGui.BeginMenu( MenuLabel ) )
+                    {
+                        if( ImGui.MenuItem( MenuItemToggle, SlashCommand, _base._menu.Visible ) )
+                            _base.FlipVisibility();
+
+                        if( ImGui.MenuItem( MenuItemRediscover ) )
+                            _base.ReloadMods();
+
+                        ImGui.EndMenu();
+                    }
+
+                    ImGui.EndMainMenuBar();
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/SettingsInterface.cs b/Penumbra/UI/SettingsInterface.cs
index 484865b47..00a2cde64 100644
--- a/Penumbra/UI/SettingsInterface.cs
+++ b/Penumbra/UI/SettingsInterface.cs
@@ -1,856 +1,46 @@
-using System;
-using System.Diagnostics;
 using System.IO;
-using System.Linq;
 using System.Numerics;
-using System.Threading.Tasks;
-using System.Windows.Forms;
-using Dalamud.Interface;
-using Dalamud.Plugin;
-using ImGuiNET;
-using Newtonsoft.Json;
-using Penumbra.Importer;
-using Penumbra.Models;
 
 namespace Penumbra.UI
-{
-    public class SettingsInterface
-    {
-        private readonly Plugin _plugin;
-
-        public bool Visible;
-        public bool ShowDebugBar;
-
-        private static readonly Vector2 AutoFillSize = new Vector2( -1, -1 );
-        private static readonly Vector2 ModListSize = new Vector2( 200, -1 );
-
-        private static readonly Vector2 MinSettingsSize = new Vector2( 800, 450 );
-        private static readonly Vector2 MaxSettingsSize = new Vector2( 69420, 42069 );
-
-        private const string DialogDeleteMod = "PenumbraDeleteMod";
-
-        private int _selectedModIndex;
-        private int? _selectedModDeleteIndex;
-        private ModInfo _selectedMod;
-
-        private bool _isImportRunning;
-        private TexToolsImport _texToolsImport = null!;
-
+{
+    public partial class SettingsInterface
+    {
+        private const float DefaultVerticalSpace = 20f;
+
+        private static readonly Vector2 AutoFillSize = new(-1, -1);
+        private static readonly Vector2 ZeroVector   = new( 0, 0);
+
+        private readonly Plugin _plugin;
+
+        private readonly LaunchButton _launchButton;
+        private readonly MenuBar      _menuBar;
+        private readonly SettingsMenu _menu;
+
         public SettingsInterface( Plugin plugin )
-        {
-            _plugin = plugin;
-#if DEBUG
-            Visible = true;
-            ShowDebugBar = true;
-#endif
-        }
-
+        {
+            _plugin       = plugin;
+            _launchButton = new(this);
+            _menuBar      = new(this);
+            _menu         = new(this);
+        }
+
+        public void FlipVisibility() => _menu.Visible = !_menu.Visible;
+
         public void Draw()
         {
-            if( ShowDebugBar && ImGui.BeginMainMenuBar() )
-            {
-                if( ImGui.BeginMenu( "Penumbra" ) )
-                {
-                    if( ImGui.MenuItem( "Toggle UI", "/penumbra", Visible ) )
-                    {
-                        Visible = !Visible;
-                    }
-
-                    if( ImGui.MenuItem( "Rediscover Mods" ) )
-                    {
-                        ReloadMods();
-                    }
-
-//                     ImGui.Separator();
-// #if DEBUG
-//                     ImGui.Text( _plugin.PluginDebugTitleStr );
-// #else
-//                     ImGui.Text( _plugin.Name );
-// #endif
-
-                    ImGui.EndMenu();
-                }
-
-                ImGui.EndMainMenuBar();
-            }
-
-            if( !_plugin.PluginInterface.ClientState.Condition.Any() && !Visible )
-            {
-                // draw mods button on da menu :DDD
-                var ss = ImGui.GetIO().DisplaySize;
-                var padding = 50;
-                var width = 200;
-                var height = 45;
-
-                // magic numbers
-                ImGui.SetNextWindowPos( new Vector2( ss.X - padding - width, ss.Y - padding - height ), ImGuiCond.Always );
-
-                if(
-                    ImGui.Begin(
-                        "Penumbra Menu Buttons",
-                        ImGuiWindowFlags.AlwaysAutoResize |
-                        ImGuiWindowFlags.NoBackground |
-                        ImGuiWindowFlags.NoDecoration |
-                        ImGuiWindowFlags.NoMove |
-                        ImGuiWindowFlags.NoScrollbar |
-                        ImGuiWindowFlags.NoResize |
-                        ImGuiWindowFlags.NoSavedSettings
-                    )
-                )
-                {
-                    if( ImGui.Button( "Manage Mods", new Vector2( width, height ) ) )
-                    {
-                        Visible = !Visible;
-                    }
-
-                    ImGui.End();
-                }
-            }
-
-            if( !Visible )
-            {
-                return;
-            }
-
-            ImGui.SetNextWindowSizeConstraints( MinSettingsSize, MaxSettingsSize );
-#if DEBUG
-            var ret = ImGui.Begin( _plugin.PluginDebugTitleStr, ref Visible );
-#else
-            var ret = ImGui.Begin( _plugin.Name, ref Visible );
-#endif
-            if( !ret )
-            {
-                return;
-            }
-
-            ImGui.BeginTabBar( "PenumbraSettings" );
-
-            DrawSettingsTab();
-            DrawImportTab();
-
-
-            if( !_isImportRunning )
-            {
-                DrawModBrowser();
-
-                DrawInstalledMods();
-
-                if( _plugin.Configuration.ShowAdvanced )
-                {
-                    DrawEffectiveFileList();
-                }
-
-                DrawDeleteModal();
-            }
-
-            ImGui.EndTabBar();
-
-            ImGui.End();
-        }
-
-        void DrawImportTab()
-        {
-            var ret = ImGui.BeginTabItem( "Import Mods" );
-            if( !ret )
-            {
-                return;
-            }
-
-            if( !_isImportRunning )
-            {
-                if( ImGui.Button( "Import TexTools Modpacks" ) )
-                {
-                    _isImportRunning = true;
-
-                    Task.Run( async () =>
-                    {
-                        var picker = new OpenFileDialog
-                        {
-                            Multiselect = true,
-                            Filter = "TexTools TTMP Modpack (*.ttmp2)|*.ttmp*|All files (*.*)|*.*",
-                            CheckFileExists = true,
-                            Title = "Pick one or more modpacks."
-                        };
-
-                        var result = await picker.ShowDialogAsync();
-
-                        if( result == DialogResult.OK )
-                        {
-                            foreach( var fileName in picker.FileNames )
-                            {
-                                PluginLog.Log( "-> {0} START", fileName );
-
-                                try
-                                {
-                                    _texToolsImport = new TexToolsImport( new DirectoryInfo( _plugin.Configuration.CurrentCollection ) );
-                                    _texToolsImport.ImportModPack( new FileInfo( fileName ) );
-                                }
-                                catch( Exception ex )
-                                {
-                                    PluginLog.LogError( ex, "Could not import one or more modpacks." );
-                                }
-
-                                PluginLog.Log( "-> {0} OK!", fileName );
-                            }
-
-                            _texToolsImport = null;
-                            ReloadMods();
-                        }
-
-                        _isImportRunning = false;
-                    } );
-                }
-            }
-            else
-            {
-                ImGui.Button( "Import in progress..." );
-
-                if( _texToolsImport != null )
-                {
-                    switch( _texToolsImport.State )
-                    {
-                        case ImporterState.None:
-                            break;
-                        case ImporterState.WritingPackToDisk:
-                            ImGui.Text( "Writing modpack to disk before extracting..." );
-                            break;
-                        case ImporterState.ExtractingModFiles:
-                        {
-                            var str =
-                                $"{_texToolsImport.CurrentModPack} - {_texToolsImport.CurrentProgress} of {_texToolsImport.TotalProgress} files";
-
-                            ImGui.ProgressBar( _texToolsImport.Progress, new Vector2( -1, 0 ), str );
-                            break;
-                        }
-                        case ImporterState.Done:
-                            break;
-                        default:
-                            throw new ArgumentOutOfRangeException();
-                    }
-                }
-            }
-
-            ImGui.EndTabItem();
-        }
-
-        [Conditional( "DEBUG" )]
-        void DrawModBrowser()
-        {
-            var ret = ImGui.BeginTabItem( "Available Mods" );
-            if( !ret )
-            {
-                return;
-            }
-
-            ImGui.Text( "woah" );
-
-            ImGui.EndTabItem();
-        }
-
-        void DrawSettingsTab()
-        {
-            var ret = ImGui.BeginTabItem( "Settings" );
-            if( !ret )
-            {
-                return;
-            }
-
-            bool dirty = false;
-
-            // FUCKKKKK
-            var basePath = _plugin.Configuration.CurrentCollection;
-            if( ImGui.InputText( "Root Folder", ref basePath, 255 ) )
-            {
-                _plugin.Configuration.CurrentCollection = basePath;
-                dirty = true;
-            }
-
-            if( ImGui.Button( "Rediscover Mods" ) )
-            {
-                ReloadMods();
-                _selectedModIndex = 0;
-                _selectedMod = null;
-            }
-
-            ImGui.SameLine();
-
-            if( ImGui.Button( "Open Mods Folder" ) )
-            {
-                Process.Start( _plugin.Configuration.CurrentCollection );
-            }
-
-            ImGui.SetCursorPosY( ImGui.GetCursorPosY() + 20 );
-
-            var invertOrder = _plugin.Configuration.InvertModListOrder;
-            if( ImGui.Checkbox( "Invert mod load order (mods are loaded bottom up)", ref invertOrder ) )
-            {
-                _plugin.Configuration.InvertModListOrder = invertOrder;
-                dirty = true;
-
-                ReloadMods();
-            }
-
-            ImGui.SetCursorPosY( ImGui.GetCursorPosY() + 20 );
-
-            var showAdvanced = _plugin.Configuration.ShowAdvanced;
-            if( ImGui.Checkbox( "Show Advanced Settings", ref showAdvanced ) )
-            {
-                _plugin.Configuration.ShowAdvanced = showAdvanced;
-                dirty = true;
-            }
-
-            if( _plugin.Configuration.ShowAdvanced )
-            {
-                if( _plugin.ResourceLoader != null )
-                {
-                    ImGui.Checkbox( "Log all loaded files", ref _plugin.ResourceLoader.LogAllFiles );
-                }
-
-                var fswatch = _plugin.Configuration.DisableFileSystemNotifications;
-                if( ImGui.Checkbox( "Disable filesystem change notifications", ref fswatch ) )
-                {
-                    _plugin.Configuration.DisableFileSystemNotifications = fswatch;
-                    dirty = true;
-                }
-
-                var http = _plugin.Configuration.EnableHttpApi;
-                if( ImGui.Checkbox( "Enable HTTP API", ref http ) )
-                {
-                    if( http )
-                    {
-                        _plugin.CreateWebServer();
-                    }
-                    else
-                    {
-                        _plugin.ShutdownWebServer();
-                    }
-
-                    _plugin.Configuration.EnableHttpApi = http;
-                    dirty = true;
-                }
-
-                if( ImGui.Button( "Reload Player Resource" ) )
-                {
-                    _plugin.GameUtils.ReloadPlayerResources();
-                }
-            }
-
-            if( dirty )
-            {
-                _plugin.Configuration.Save();
-            }
-
-            ImGui.EndTabItem();
-        }
-
-        void DrawModsSelector()
-        {
-            // Selector pane
-            ImGui.BeginGroup();
-            ImGui.PushStyleVar( ImGuiStyleVar.ItemSpacing, new Vector2( 0, 0 ) );
-
-            // Inlay selector list
-            ImGui.BeginChild( "availableModList", new Vector2( 240, -ImGui.GetFrameHeightWithSpacing() ), true );
-
-            if( _plugin.ModManager.Mods != null )
-            {
-                for( var modIndex = 0; modIndex < _plugin.ModManager.Mods.ModSettings.Count; modIndex++ )
-                {
-                    var settings = _plugin.ModManager.Mods.ModSettings[ modIndex ];
-
-                    var changedColour = false;
-                    if( !settings.Enabled )
-                    {
-                        ImGui.PushStyleColor( ImGuiCol.Text, 0xFF666666 );
-                        changedColour = true;
-                    }
-                    else if( settings.Mod.FileConflicts.Any() )
-                    {
-                        ImGui.PushStyleColor( ImGuiCol.Text, 0xFFAAAAFF );
-                        changedColour = true;
-                    }
-
-#if DEBUG
-                    var selected = ImGui.Selectable(
-                        $"id={modIndex} {settings.Mod.Meta.Name}",
-                        modIndex == _selectedModIndex
-                    );
-#else
-                    var selected = ImGui.Selectable( settings.Mod.Meta.Name, modIndex == _selectedModIndex );
-#endif
-
-                    if( changedColour )
-                    {
-                        ImGui.PopStyleColor();
-                    }
-
-                    if( selected )
-                    {
-                        _selectedModIndex = modIndex;
-                        _selectedMod = settings;
-                    }
-                }
-            }
-
-            ImGui.EndChild();
-
-            // Selector controls
-            ImGui.PushStyleVar( ImGuiStyleVar.WindowPadding, new Vector2( 0, 0 ) );
-            ImGui.PushStyleVar( ImGuiStyleVar.FrameRounding, 0 );
-            ImGui.PushFont( UiBuilder.IconFont );
-            if( _selectedModIndex != 0 )
-            {
-                if( ImGui.Button( FontAwesomeIcon.ArrowUp.ToIconString(), new Vector2( 60, 0 ) ) )
-                {
-                    _plugin.ModManager.ChangeModPriority( _selectedMod );
-                    _selectedModIndex -= 1;
-                }
-            }
-            else
-            {
-                ImGui.PushStyleVar( ImGuiStyleVar.Alpha, 0.5f );
-                ImGui.Button( FontAwesomeIcon.ArrowUp.ToIconString(), new Vector2( 60, 0 ) );
-                ImGui.PopStyleVar();
-            }
-
-            ImGui.PopFont();
-
-            if( ImGui.IsItemHovered() )
-            {
-                ImGui.SetTooltip(
-                    _plugin.Configuration.InvertModListOrder
-                        ? "Move the selected mod down in priority"
-                        : "Move the selected mod up in priority"
-                );
-            }
-
-            ImGui.PushFont( UiBuilder.IconFont );
-
-            ImGui.SameLine();
-
-            if( _selectedModIndex != _plugin.ModManager.Mods?.ModSettings.Count - 1 )
-            {
-                if( ImGui.Button( FontAwesomeIcon.ArrowDown.ToIconString(), new Vector2( 60, 0 ) ) )
-                {
-                    _plugin.ModManager.ChangeModPriority( _selectedMod, true );
-                    _selectedModIndex += 1;
-                }
-            }
-            else
-            {
-                ImGui.PushStyleVar( ImGuiStyleVar.Alpha, 0.5f );
-                ImGui.Button( FontAwesomeIcon.ArrowDown.ToIconString(), new Vector2( 60, 0 ) );
-                ImGui.PopStyleVar();
-            }
-
-
-            ImGui.PopFont();
-
-            if( ImGui.IsItemHovered() )
-            {
-                ImGui.SetTooltip(
-                    _plugin.Configuration.InvertModListOrder
-                        ? "Move the selected mod up in priority"
-                        : "Move the selected mod down in priority"
-                );
-            }
-
-            ImGui.PushFont( UiBuilder.IconFont );
-
-            ImGui.SameLine();
-
-            if( ImGui.Button( FontAwesomeIcon.Trash.ToIconString(), new Vector2( 60, 0 ) ) )
-            {
-                _selectedModDeleteIndex = _selectedModIndex;
-            }
-
-            ImGui.PopFont();
-
-            if( ImGui.IsItemHovered() )
-                ImGui.SetTooltip( "Delete the selected mod" );
-
-            ImGui.PushFont( UiBuilder.IconFont );
-
-            ImGui.SameLine();
-
-            if( ImGui.Button( FontAwesomeIcon.Plus.ToIconString(), new Vector2( 60, 0 ) ) )
-            {
-            }
-
-            ImGui.PopFont();
-
-            if( ImGui.IsItemHovered() )
-                ImGui.SetTooltip( "Add an empty mod" );
-
-            ImGui.PopStyleVar( 3 );
-
-            ImGui.EndGroup();
-        }
-
-        void DrawDeleteModal()
-        {
-            if( _selectedModDeleteIndex != null )
-                ImGui.OpenPopup( DialogDeleteMod );
-
-            var ret = ImGui.BeginPopupModal( DialogDeleteMod );
-            if( !ret )
-            {
-                return;
-            }
-
-            if( _selectedMod?.Mod == null )
-            {
-                ImGui.CloseCurrentPopup();
-                ImGui.EndPopup();
-            }
-
-            ImGui.Text( "Are you sure you want to delete the following mod:" );
-            // todo: why the fuck does this become null??????
-            ImGui.Text( _selectedMod?.Mod?.Meta?.Name );
-
-            if( ImGui.Button( "Yes, delete it" ) )
-            {
-                ImGui.CloseCurrentPopup();
-                _plugin.ModManager.DeleteMod( _selectedMod.Mod );
-                _selectedMod = null;
-                _selectedModIndex = 0;
-                _selectedModDeleteIndex = null;
-            }
-
-            ImGui.SameLine();
-
-            if( ImGui.Button( "No, keep it" ) )
-            {
-                ImGui.CloseCurrentPopup();
-                _selectedModDeleteIndex = null;
-            }
-
-            ImGui.EndPopup();
-        }
-
-        // Website button with On-Hover address if valid http(s), otherwise text.
-        private void DrawWebsiteText()
-        {
-            if( ( _selectedMod.Mod.Meta.Website?.Length ?? 0 ) <= 0 )
-            {
-                return;
-            }
-            
-            var validUrl = Uri.TryCreate( _selectedMod.Mod.Meta.Website, UriKind.Absolute, out Uri uriResult )
-                           && ( uriResult.Scheme == Uri.UriSchemeHttps || uriResult.Scheme == Uri.UriSchemeHttp );
-            ImGui.SameLine();
-            if( validUrl )
-            {
-                if( ImGui.SmallButton( "Open Website" ) )
-                {
-                    Process.Start( _selectedMod.Mod.Meta.Website );
-                }
-
-                if( ImGui.IsItemHovered() )
-                {
-                    ImGui.BeginTooltip();
-                    ImGui.Text( _selectedMod.Mod.Meta.Website );
-                    ImGui.EndTooltip();
-                }
-            }
-            else
-            {
-                ImGui.TextColored( new Vector4( 1f, 1f, 1f, 0.66f ), "from" );
-                ImGui.SameLine();
-                ImGui.Text( _selectedMod.Mod.Meta.Website );
-            }
-        }
-
-        // Create Mod-Handling buttons.
-        private void DrawEditButtons()
-        {
-            ImGui.SameLine();
-            if( ImGui.Button( "Open Mod Folder" ) )
-            {
-                Process.Start( _selectedMod.Mod.ModBasePath.FullName );
-            }
-
-            ImGui.SameLine();
-            if( ImGui.Button( "Edit JSON" ) )
-            {
-                var metaPath = Path.Combine( _selectedMod.Mod.ModBasePath.FullName, "meta.json" );
-                File.WriteAllText( metaPath, JsonConvert.SerializeObject( _selectedMod.Mod.Meta, Formatting.Indented ) );
-                Process.Start( metaPath );
-            }
-
-            ImGui.SameLine();
-            if( ImGui.Button( "Reload JSON" ) )
-            {
-                ReloadMods();
-
-                // May select a different mod than before if mods were added or deleted, but will not crash.
-                if( _selectedModIndex < _plugin.ModManager.Mods.ModSettings.Count )
-                {
-                    _selectedMod = _plugin.ModManager.Mods.ModSettings[ _selectedModIndex ];
-                }
-                else
-                {
-                    _selectedModIndex = 0;
-                    _selectedMod = null;
-                }
-            }
-        }
-
-        private void DrawGroupSelectors()
-        {
-            //Spahetti code time
-            var mod = _plugin.SettingsInterface._selectedMod;
-            var conf = mod.Conf;
-            var settings = mod.Mod.Meta.Groups;
-            foreach( var g in settings )
-            {
-                switch( g.Value.SelectionType )
-                {
-                    case SelectType.Multi:
-                        {
-                            var i = 0;
-                            var flag = conf[g.Key];
-                            foreach( var opt in g.Value.Options )
-                            {
-                                var enab = ( flag & 1 << i ) != 0;
-                                if( ImGui.Checkbox( g.Value.GroupName + " - " + opt.OptionName, ref enab ) )
-                                {
-                                    flag = flag ^= 1 << i;
-                                    conf[g.Key] = flag;
-                                    _plugin.ModManager.Mods.Save();
-                                    _plugin.ModManager.CalculateEffectiveFileList();
-                                }
-                                i++;
-                            }
-                            break;
-                        }
-                    case SelectType.Single:
-                        {
-                            var code = conf[g.Key];
-                            if( g.Value.Options.Count > 1 )
-                            {
-                                if( ImGui.Combo( g.Value.GroupName, ref code, g.Value.Options.Select( x => x.OptionName ).ToArray(), g.Value.Options.ToArray().Length ) )
-                                {
-                                    conf[g.Key] = code;
-                                    _plugin.ModManager.Mods.Save();
-                                    _plugin.ModManager.CalculateEffectiveFileList();
-                                }
-                            }
-                            break;
-                        }
-                }
-            }
-        }
-
-        void DrawInstalledMods()
-        {
-            var ret = ImGui.BeginTabItem( "Installed Mods" );
-            if( !ret )
-            {
-                return;
-            }
-
-            if( _plugin.ModManager.Mods == null )
-            {
-                ImGui.Text( "You don't have any mods :(" );
-                ImGui.SetCursorPosY( ImGui.GetCursorPosY() + 20 );
-                ImGui.Text( "You'll need to install them first by creating a folder close to the root of your drive (preferably an SSD)." );
-                ImGui.Text( "For example: D:/ffxiv/mods/" );
-                ImGui.Text( "And pasting that path into the settings tab and clicking the 'Rediscover Mods' button." );
-                ImGui.Text( "You can return to this tab once you've done that." );
-                ImGui.EndTabItem();
-                return;
-            }
-
-            DrawModsSelector();
-
-            ImGui.SameLine();
-
-            if( _selectedMod != null )
-            {
-                try
-                {
-                    ImGui.BeginChild( "selectedModInfo", AutoFillSize, true );
-
-                    ImGui.Text( _selectedMod.Mod.Meta.Name );
-
-                    // (Version ...) or nothing.
-                    if( ( _selectedMod.Mod.Meta.Version?.Length ?? 0 ) > 0 )
-                    {
-                        ImGui.SameLine();
-                        ImGui.Text( $"(Version {_selectedMod.Mod.Meta.Version})" );
-                    }
-
-                    // by Author or Unknown.
-                    ImGui.SameLine();
-                    ImGui.TextColored( new Vector4( 1f, 1f, 1f, 0.66f ), "by" );
-                    ImGui.SameLine();
-                    if( ( _selectedMod.Mod.Meta.Author?.Length ?? 0 ) > 0 )
-                        ImGui.Text( _selectedMod.Mod.Meta.Author );
-                    else
-                        ImGui.Text( "Unknown" );
-
-                    DrawWebsiteText();
-
-                    ImGui.SetCursorPosY( ImGui.GetCursorPosY() + 10 );
-
-                    var enabled = _selectedMod.Enabled;
-                    if( ImGui.Checkbox( "Enabled", ref enabled ) )
-                    {
-                        _selectedMod.Enabled = enabled;
-                        _plugin.ModManager.Mods.Save();
-                        _plugin.ModManager.CalculateEffectiveFileList();
-                    }
-
-                    DrawEditButtons();
-
-                    ImGui.BeginTabBar( "PenumbraPluginDetails" );
-                    
-                    if( _selectedMod.Mod.Meta.Description?.Length > 0 && ImGui.BeginTabItem( "About" ) )
-                    {
-                        ImGui.TextWrapped( _selectedMod.Mod.Meta.Description );
-                        ImGui.EndTabItem();
-                    }
-                    
-                    if( ( _selectedMod.Mod.Meta.ChangedItems?.Count ?? 0 ) > 0 )
-                    {
-                        if( ImGui.BeginTabItem( "Changed Items" ) )
-                        {
-                            ImGui.SetNextItemWidth( -1 );
-                            if( ImGui.ListBoxHeader( "###", AutoFillSize ) )
-                                foreach( var item in _selectedMod.Mod.Meta.ChangedItems )
-                                    ImGui.Selectable( item );
-                            ImGui.ListBoxFooter();
-                            ImGui.EndTabItem();
-                        }
-                    }
-                    if(_selectedMod.Mod.Meta.Groups.Count >=1) {
-                        if(ImGui.BeginTabItem( "Configuration" )) {
-                            DrawGroupSelectors();
-                            ImGui.EndTabItem();
-                        }
-                    }
-                    if( ImGui.BeginTabItem( "Files" ) )
-                    {
-                        ImGui.SetNextItemWidth( -1 );
-                        if( ImGui.ListBoxHeader( "##", AutoFillSize ) )
-                            foreach( var file in _selectedMod.Mod.ModFiles )
-                                ImGui.Selectable( file.FullName );
-
-                        ImGui.ListBoxFooter();
-                        ImGui.EndTabItem();
-                    }
-
-                    if( _selectedMod.Mod.Meta.FileSwaps.Any() )
-                    {
-                        if( ImGui.BeginTabItem( "File Swaps" ) )
-                        {
-                            ImGui.SetNextItemWidth( -1 );
-                            if( ImGui.ListBoxHeader( "##", AutoFillSize ) )
-                            {
-                                foreach( var file in _selectedMod.Mod.Meta.FileSwaps )
-                                {
-                                    // todo: fucking gross alloc every frame * items
-                                    ImGui.Selectable( $"{file.Key} -> {file.Value}" );
-                                }
-                            }
-
-                            ImGui.ListBoxFooter();
-                            ImGui.EndTabItem();
-                        }
-                    }
-
-                    if( _selectedMod.Mod.FileConflicts.Any() )
-                    {
-                        if( ImGui.BeginTabItem( "File Conflicts" ) )
-                        {
-                            ImGui.SetNextItemWidth( -1 );
-                            if( ImGui.ListBoxHeader( "##", AutoFillSize ) )
-                            {
-                                foreach( var kv in _selectedMod.Mod.FileConflicts )
-                                {
-                                    var mod = kv.Key;
-                                    var files = kv.Value;
-
-                                    if( ImGui.Selectable( mod ) )
-                                    {
-                                        SelectModByName( mod );
-                                    }
-
-                                    ImGui.Indent( 15 );
-                                    foreach( var file in files )
-                                    {
-                                        ImGui.Selectable( file );
-                                    }
-
-                                    ImGui.Unindent( 15 );
-                                }
-                            }
-
-                            ImGui.ListBoxFooter();
-                            ImGui.EndTabItem();
-                        }
-                    }
-
-                    ImGui.EndTabBar();
-                    ImGui.EndChild();
-                }
-                catch( Exception ex )
-                {
-                    PluginLog.LogError( ex, "fuck" );
-                }
-            }
-
-            ImGui.EndTabItem();
-        }
-
-        void SelectModByName( string name )
-        {
-            for( var modIndex = 0; modIndex < _plugin.ModManager.Mods.ModSettings.Count; modIndex++ )
-            {
-                var mod = _plugin.ModManager.Mods.ModSettings[ modIndex ];
-
-                if( mod.Mod.Meta.Name != name )
-                {
-                    continue;
-                }
-
-                _selectedMod = mod;
-                _selectedModIndex = modIndex;
-                return;
-            }
-        }
-
-        void DrawEffectiveFileList()
-        {
-            var ret = ImGui.BeginTabItem( "Effective File List" );
-            if( !ret )
-            {
-                return;
-            }
-
-            if( ImGui.ListBoxHeader( "##", AutoFillSize ) )
-            {
-                // todo: virtualise this
-                foreach( var file in _plugin.ModManager.ResolvedFiles )
-                {
-                    ImGui.Selectable( file.Value.FullName + " -> " + file.Key );
-                }
-            }
-
-            ImGui.ListBoxFooter();
-
-            ImGui.EndTabItem();
+            _menuBar.Draw();
+            _launchButton.Draw();
+            _menu.Draw();
         }
 
         private void ReloadMods()
-        {
-            _selectedMod = null;
-
+        {
+            _menu._installedTab._selector.ClearSelection();
             // create the directory if it doesn't exist
             Directory.CreateDirectory( _plugin.Configuration.CurrentCollection );
 
-            _plugin.ModManager.DiscoverMods( _plugin.Configuration.CurrentCollection );
-        }
+            _plugin.ModManager.DiscoverMods( _plugin.Configuration.CurrentCollection );
+            _menu._effectiveTab.RebuildFileList(_plugin.Configuration.ShowAdvanced);
+        }
     }
 }
\ No newline at end of file
diff --git a/Penumbra/UI/SettingsMenu.cs b/Penumbra/UI/SettingsMenu.cs
new file mode 100644
index 000000000..6e28097ba
--- /dev/null
+++ b/Penumbra/UI/SettingsMenu.cs
@@ -0,0 +1,72 @@
+using System.Numerics;
+using ImGuiNET;
+
+namespace Penumbra.UI
+{
+    public partial class SettingsInterface
+    {
+        private partial class SettingsMenu
+        { 
+            private const string PenumbraSettingsLabel = "PenumbraSettings";
+
+            private static readonly Vector2 MinSettingsSize = new( 800, 450 );
+            private static readonly Vector2 MaxSettingsSize = new( 69420, 42069 );
+
+            private readonly SettingsInterface _base;
+            public  readonly TabSettings       _settingsTab;
+            public  readonly TabImport         _importTab;
+            public  readonly TabBrowser        _browserTab;
+            public  readonly TabInstalled      _installedTab;
+            public  readonly TabEffective      _effectiveTab;
+
+            public SettingsMenu(SettingsInterface ui)
+            {
+                _base         = ui;
+                _settingsTab  = new(_base);
+                _importTab    = new(_base);
+                _browserTab   = new();
+                _installedTab = new(_base);
+                _effectiveTab = new(_base);
+            }
+
+#if DEBUG
+            private const bool DefaultVisibility = true;
+#else
+            private const bool DefaultVisibility = false;
+#endif
+            public bool Visible = DefaultVisibility;
+
+            public void Draw()
+            {
+                if( !Visible )
+                    return;
+
+                ImGui.SetNextWindowSizeConstraints( MinSettingsSize, MaxSettingsSize );
+#if DEBUG
+                var ret = ImGui.Begin( _base._plugin.PluginDebugTitleStr, ref Visible );
+#else
+                var ret = ImGui.Begin( _base._plugin.Name, ref Visible );
+#endif
+                if( !ret )
+                    return;
+
+                ImGui.BeginTabBar( PenumbraSettingsLabel );
+
+                _settingsTab.Draw();
+                _importTab.Draw();
+
+                if( !_importTab.IsImporting() )
+                {
+                    _browserTab.Draw();
+                    _installedTab.Draw();
+
+                    if( _base._plugin.Configuration.ShowAdvanced )
+                        _effectiveTab.Draw();
+                }
+
+                ImGui.EndTabBar();
+                ImGui.End();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/TabBrowser.cs b/Penumbra/UI/TabBrowser.cs
new file mode 100644
index 000000000..8201d17a0
--- /dev/null
+++ b/Penumbra/UI/TabBrowser.cs
@@ -0,0 +1,22 @@
+using System.Diagnostics;
+using ImGuiNET;
+
+namespace Penumbra.UI
+{
+    public partial class SettingsInterface
+    {
+        private class TabBrowser
+        {
+            [Conditional( "DEBUG" )]
+            public void Draw()
+            {
+                var ret = ImGui.BeginTabItem( "Available Mods" );
+                if( !ret )
+                    return;
+
+                ImGui.Text( "woah" );
+                ImGui.EndTabItem();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/TabEffective.cs b/Penumbra/UI/TabEffective.cs
new file mode 100644
index 000000000..90de944ec
--- /dev/null
+++ b/Penumbra/UI/TabEffective.cs
@@ -0,0 +1,66 @@
+using System.Linq;
+using ImGuiNET;
+using Penumbra.Mods;
+
+namespace Penumbra.UI
+{
+    public partial class SettingsInterface
+    {
+        private class TabEffective
+        {
+            private const string LabelTab        = "Effective File List";
+            private const float  TextSizePadding = 5f;
+
+            private ModManager         _mods;
+            private (string, string)[] _fileList    = null;
+            private float              _maxGamePath = 0f;
+
+            public TabEffective(SettingsInterface ui)
+            { 
+                _mods = ui._plugin.ModManager; 
+                RebuildFileList(ui._plugin.Configuration.ShowAdvanced); 
+            }
+
+            public void RebuildFileList(bool advanced)
+            {
+                if (advanced)
+                {
+                    _fileList    = _mods.ResolvedFiles.Select( P => (P.Value.FullName, P.Key) ).ToArray();
+                    _maxGamePath = ((_fileList.Length > 0) ? _fileList.Max( P => ImGui.CalcTextSize(P.Item2).X ) : 0f) + TextSizePadding;
+                }
+                else
+                {
+                    _fileList    = null;
+                    _maxGamePath = 0f;
+                }
+            }
+
+            private void DrawFileLine((string, string) file)
+            {
+                ImGui.Selectable(file.Item2);
+                ImGui.SameLine();
+                ImGui.SetCursorPosX(_maxGamePath);
+                ImGui.TextUnformatted("  <-- ");
+                ImGui.SameLine();
+                ImGui.Selectable(file.Item1);
+            }
+
+            public void Draw()
+            {
+                var ret = ImGui.BeginTabItem( LabelTab );
+                if( !ret )
+                    return;
+
+                if( ImGui.ListBoxHeader( "##effective_files", AutoFillSize ) )
+                {
+                    foreach( var file in _fileList )
+                        DrawFileLine(file);
+
+                    ImGui.ListBoxFooter();
+                }
+
+                ImGui.EndTabItem();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/TabImport.cs b/Penumbra/UI/TabImport.cs
new file mode 100644
index 000000000..0741a7971
--- /dev/null
+++ b/Penumbra/UI/TabImport.cs
@@ -0,0 +1,143 @@
+using ImGuiNET;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+using System.IO;
+using System;
+using Penumbra.Importer;
+using Dalamud.Plugin;
+using System.Numerics;
+
+namespace Penumbra.UI
+{
+    public partial class SettingsInterface
+    {
+        private class TabImport
+        {
+            private const string LabelTab               = "Import Mods";
+            private const string LabelImportButton      = "Import TexTools Modpacks";
+            private const string FileTypeFilter         = "TexTools TTMP Modpack (*.ttmp2)|*.ttmp*|All files (*.*)|*.*";
+            private const string LabelFileDialog        = "Pick one or more modpacks.";
+            private const string LabelFileImportRunning = "Import in progress...";
+            private const string TooltipModpack1        = "Writing modpack to disk before extracting...";
+            private const string FailedImport           = "One or more of your modpacks failed to import.\nPlease submit a bug report.";
+
+            private const uint ColorRed                 = 0xFF0000C8;
+
+            private static readonly Vector2 ImportBarSize = new( -1, 0 );
+
+            private bool                       _isImportRunning = false;
+            private bool                       _hasError = false;
+            private TexToolsImport             _texToolsImport = null!;
+            private readonly SettingsInterface _base;
+
+            public TabImport(SettingsInterface ui) => _base = ui;
+
+            public bool IsImporting() => _isImportRunning;
+
+            private void RunImportTask()
+            {
+                _isImportRunning = true;
+                Task.Run( async () =>
+                {
+                    var picker = new OpenFileDialog
+                    {
+                        Multiselect = true,
+                        Filter = FileTypeFilter,
+                        CheckFileExists = true,
+                        Title = LabelFileDialog
+                    };
+
+                    var result = await picker.ShowDialogAsync();
+
+                    if( result == DialogResult.OK )
+                    {
+                        _hasError = false;
+
+                        foreach( var fileName in picker.FileNames )
+                        {
+                            PluginLog.Log( $"-> {fileName} START");
+
+                            try
+                            {
+                                _texToolsImport = new TexToolsImport( new DirectoryInfo( _base._plugin.Configuration.CurrentCollection ) );
+                                _texToolsImport.ImportModPack( new FileInfo( fileName ) );
+
+                                PluginLog.Log( $"-> {fileName} OK!" );
+                            }
+                            catch( Exception ex )
+                            {
+                                PluginLog.LogError( ex, "Failed to import modpack at {0}", fileName );
+                                _hasError = true;
+                            }
+                        }
+
+                        _texToolsImport = null;
+                        _base.ReloadMods();
+                    }
+                    _isImportRunning = false;
+                } );
+            }
+
+            private void DrawImportButton()
+            {
+                if( ImGui.Button( LabelImportButton ) )
+                {
+                    RunImportTask();
+                }
+            }
+
+            private void DrawImportProgress()
+            {
+                ImGui.Button( LabelFileImportRunning );
+
+                if( _texToolsImport != null )
+                {
+                    switch( _texToolsImport.State )
+                    {
+                        case ImporterState.None:
+                            break;
+                        case ImporterState.WritingPackToDisk:
+                            ImGui.Text( TooltipModpack1 );
+                            break;
+                        case ImporterState.ExtractingModFiles:
+                        {
+                            var str =
+                                $"{_texToolsImport.CurrentModPack} - {_texToolsImport.CurrentProgress} of {_texToolsImport.TotalProgress} files";
+
+                            ImGui.ProgressBar( _texToolsImport.Progress, ImportBarSize, str );
+                            break;
+                        }
+                        case ImporterState.Done:
+                            break;
+                        default:
+                            throw new ArgumentOutOfRangeException();
+                    }
+                }
+            }
+
+            private void DrawFailedImportMessage()
+            {
+                ImGui.PushStyleColor( ImGuiCol.Text, ColorRed );
+                ImGui.Text( FailedImport );
+                ImGui.PopStyleColor();
+            }
+
+            public void Draw()
+            {
+                var ret = ImGui.BeginTabItem( LabelTab );
+                if( !ret )
+                    return;
+
+                if( !_isImportRunning )
+                    DrawImportButton();
+                else
+                    DrawImportProgress();
+
+                if (_hasError)
+                    DrawFailedImportMessage();
+
+                ImGui.EndTabItem();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/TabInstalled.cs b/Penumbra/UI/TabInstalled.cs
new file mode 100644
index 000000000..188310692
--- /dev/null
+++ b/Penumbra/UI/TabInstalled.cs
@@ -0,0 +1,53 @@
+using ImGuiNET;
+
+namespace Penumbra.UI
+{
+    public partial class SettingsInterface
+    {
+        private partial class TabInstalled
+        {
+            private const string LabelTab = "Installed Mods";
+
+            private readonly SettingsInterface _base;
+            public  readonly Selector          _selector;
+            public  readonly ModPanel          _modPanel;
+
+            public TabInstalled(SettingsInterface ui)
+            {
+                _base     = ui;
+                _selector = new(_base);
+                _modPanel = new(_base, _selector);
+            }
+
+            private void DrawNoModsAvailable()
+            {
+                ImGui.Text( "You don't have any mods :(" );
+                ImGuiCustom.VerticalDistance(20f);
+                ImGui.Text( "You'll need to install them first by creating a folder close to the root of your drive (preferably an SSD)." );
+                ImGui.Text( "For example: D:/ffxiv/mods/" );
+                ImGui.Text( "And pasting that path into the settings tab and clicking the 'Rediscover Mods' button." );
+                ImGui.Text( "You can return to this tab once you've done that." );
+            }
+
+            public void Draw()
+            {
+                var ret = ImGui.BeginTabItem( LabelTab );
+                if( !ret )
+                    return;
+
+                if (_base._plugin.ModManager.Mods != null)
+                {
+                    _selector.Draw();
+                    ImGui.SameLine();
+                    _modPanel.Draw();
+                }
+                else
+                    DrawNoModsAvailable();
+
+                ImGui.EndTabItem();
+
+                return;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/TabInstalledDetails.cs b/Penumbra/UI/TabInstalledDetails.cs
new file mode 100644
index 000000000..3160e1d95
--- /dev/null
+++ b/Penumbra/UI/TabInstalledDetails.cs
@@ -0,0 +1,806 @@
+using Penumbra.Models;
+using ImGuiNET;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+
+namespace Penumbra.UI
+{
+    internal static class Extension
+    {
+        // Remove the entry at idx from the list if the new string is empty, otherwise replace it.
+        public static void RemoveOrChange(this List<string> list, string newString, int idx)
+        {
+            if (newString?.Length == 0)
+                list.RemoveAt(idx);
+            else
+                list[idx] = newString;
+        }
+    }
+
+    public partial class SettingsInterface
+    {
+        private class PluginDetails
+        {
+            #region ========== Literals ===============
+            private const string LabelPluginDetails      = "PenumbraPluginDetails";
+            private const string LabelAboutTab           = "About";
+            private const string TooltipAboutEdit        = "Use Ctrl+Enter for newlines.";
+            private const string LabelDescEdit           = "##descedit";
+            private const string LabelChangedItemsTab    = "Changed Items";
+            private const string LabelChangedItemsHeader = "##changedItems";
+            private const string LabelChangedItemIdx     = "##citem_";
+            private const string LabelChangedItemNew     = "##citem_new";
+            private const string LabelConflictsTab       = "File Conflicts";
+            private const string LabelConflictsHeader    = "##conflicts";
+            private const string LabelFileSwapTab        = "File Swaps";
+            private const string LabelFileSwapHeader     = "##fileSwaps";
+            private const string LabelFileListTab        = "Files";
+            private const string LabelFileListHeader     = "##fileList";
+            private const string TooltipFilesTab         = "Green files replace their standard game path counterpart (not in any option) or are in all options of a Single-Select option.\nYellow files are restricted to some options.";
+            private const string ButtonAddToGroup        = "Add to Group";
+            private const string ButtonRemoveFromGroup   = "Remove from Group";
+            private const string LabelGroupSelect        = "##groupSelect";
+            private const string LabelOptionSelect       = "##optionSelect";
+            private const string TextNoOptionAvailable   = "[No Option Available]";
+            private const string LabelConfigurationTab   = "Configuration";
+            private const string LabelNewSingleGroup     = "New Single Group";
+            private const string LabelNewSingleGroupEdit = "##newSingleGroup";
+            private const string LabelNewMultiGroup      = "New Multi Group";
+            private const string TextDefaultGamePath     = "default";
+            private const string LabelGamePathsEdit      = "Game Paths";
+            private const string LabelGamePathsEditBox   = "##gamePathsEdit";
+            private const string TooltipGamePathText     = "Click to copy to clipboard.";
+            private static readonly string TooltipGamePathsEdit = $"Enter all game paths to add or remove, separated by '{GamePathsSeparator}'.\nUse '{TextDefaultGamePath}' to add the original file path.";
+            private static readonly string TooltipFilesTabEdit  = $"{TooltipFilesTab}\nRed Files are replaced in another group or a different option in this group, but not contained in the current option.";
+
+            private const char  GamePathsSeparator      = ';';
+            private const float TextSizePadding         = 5f;
+            private const float OptionSelectionWidth    = 140f;
+            private const float CheckMarkSize           = 50f;
+            private const float MultiEditBoxWidth       = 300f;
+            private const uint  ColorGreen              = 0xFF00C800;
+            private const uint  ColorYellow             = 0xFF00C8C8;
+            private const uint  ColorRed                = 0xFF0000C8;
+            #endregion
+
+            #region ========== State ==================
+            private bool                          _editMode             = false;
+            private int                           _selectedGroupIndex   = 0;
+            private InstallerInfo?                _selectedGroup        = null;
+            private int                           _selectedOptionIndex  = 0;  
+            private Option?                       _selectedOption       = null;  
+            private (string label, string name)[] _changedItemsList     = null;
+            private float?                        _fileSwapOffset       = null;
+            private string                        _currentGamePaths     = "";
+
+            private (string name, bool selected, uint color, string relName)[] _fullFilenameList = null;
+
+            public void SelectGroup(int idx)
+            {
+                _selectedGroupIndex = idx;
+                if (_selectedGroupIndex >= Meta?.Groups?.Count)
+                    _selectedGroupIndex = 0;
+                if (Meta?.Groups?.Count > 0)
+                    _selectedGroup = Meta.Groups.ElementAt(_selectedGroupIndex).Value;
+                else
+                    _selectedGroup = null;
+            }
+            public void SelectGroup() => SelectGroup(_selectedGroupIndex);
+
+            public void SelectOption(int idx)
+            {
+                _selectedOptionIndex = idx;
+                if (_selectedOptionIndex >= _selectedGroup?.Options.Count)
+                    _selectedOptionIndex = 0;
+                if (_selectedGroup?.Options.Count > 0)
+                    _selectedOption = ((InstallerInfo) _selectedGroup).Options[_selectedOptionIndex];
+                else
+                    _selectedOption = null;
+            }
+            public void SelectOption() => SelectOption(_selectedOptionIndex);
+
+            public void ResetState()
+            {
+                _changedItemsList      = null;
+                _fileSwapOffset        = null;
+                _fullFilenameList      = null;
+                SelectGroup();
+                SelectOption();
+            }
+
+
+            private readonly Selector          _selector;
+            private readonly SettingsInterface _base;
+            public PluginDetails(SettingsInterface ui, Selector s)
+            {
+                _base     = ui;
+                _selector = s;
+                ResetState();
+            }
+
+            private ModInfo Mod  { get{ return _selector.Mod(); } }
+            private ModMeta Meta { get{ return Mod?.Mod?.Meta; } }
+
+            private void Save()
+            {
+                _base._plugin.ModManager.Mods.Save();
+                _base._plugin.ModManager.CalculateEffectiveFileList();
+                _base._menu._effectiveTab.RebuildFileList(_base._plugin.Configuration.ShowAdvanced);
+            }
+
+            #endregion
+
+            #region ========== Tabs ===================
+            private void DrawAboutTab()
+            {
+                if (!_editMode && Meta.Description?.Length == 0)
+                    return;
+
+                if(ImGui.BeginTabItem( LabelAboutTab ) )
+                {
+                    var desc = Meta.Description;
+                    var flags = _editMode 
+                        ? ImGuiInputTextFlags.EnterReturnsTrue | ImGuiInputTextFlags.CtrlEnterForNewLine
+                        : ImGuiInputTextFlags.ReadOnly;
+
+                    if (ImGui.InputTextMultiline(LabelDescEdit,  ref desc, 1 << 16, AutoFillSize, flags))
+                    {
+                        Meta.Description = desc;
+                        _selector.SaveCurrentMod();
+                    }
+                    if (_editMode && ImGui.IsItemHovered())
+                        ImGui.SetTooltip( TooltipAboutEdit );
+
+
+                    ImGui.EndTabItem();
+                }
+            }
+
+            private void DrawChangedItemsTab()
+            {
+                if (!_editMode && Meta.ChangedItems?.Count == 0)
+                    return;
+
+                var flags = _editMode 
+                    ? ImGuiInputTextFlags.EnterReturnsTrue
+                    : ImGuiInputTextFlags.ReadOnly;
+
+                if( ImGui.BeginTabItem( LabelChangedItemsTab ) )
+                {
+                    ImGui.SetNextItemWidth( -1 );
+                    if( ImGui.ListBoxHeader( LabelChangedItemsHeader, AutoFillSize ) )
+                    {
+                        if (_changedItemsList == null)
+                            _changedItemsList = Meta.ChangedItems.Select( (I, index) => ($"{LabelChangedItemIdx}{index}", I) ).ToArray();
+                        for (var i = 0; i < Meta.ChangedItems.Count; ++i)
+                        {
+                            ImGui.SetNextItemWidth(-1);
+                            if ( ImGui.InputText(_changedItemsList[i].label, ref _changedItemsList[i].name, 128, flags) )
+                            {
+                                Meta.ChangedItems.RemoveOrChange(_changedItemsList[i].name, i);
+                                _selector.SaveCurrentMod();
+                            }
+                        }
+                        var newItem = "";
+                        if ( _editMode )
+                        {
+                            ImGui.SetNextItemWidth(-1);
+                            if ( ImGui.InputText( LabelChangedItemNew, ref newItem, 128, flags) )
+                            {
+                                if (newItem.Length > 0)
+                                {
+                                    if (Meta.ChangedItems == null)
+                                        Meta.ChangedItems = new(){ newItem };
+                                    else
+                                        Meta.ChangedItems.Add(newItem);
+                                    _selector.SaveCurrentMod();
+                                }
+                            }
+                        }
+                        ImGui.ListBoxFooter();
+                    }
+                    ImGui.EndTabItem();
+                }
+                else
+                    _changedItemsList = null;
+            }
+
+            private void DrawConflictTab()
+            {
+                if( Mod.Mod.FileConflicts.Any() )
+                {
+                    if( ImGui.BeginTabItem( LabelConflictsTab ) )
+                    {
+                        ImGui.SetNextItemWidth( -1 );
+                        if( ImGui.ListBoxHeader( LabelConflictsHeader, AutoFillSize ) )
+                        {
+                            foreach( var kv in Mod.Mod.FileConflicts )
+                            {
+                                var mod = kv.Key;
+                                if( ImGui.Selectable( mod ) )
+                                    _selector.SelectModByName( mod );
+
+                                ImGui.Indent( 15 );
+                                foreach( var file in kv.Value )
+                                    ImGui.Selectable( file );
+                                ImGui.Unindent( 15 );
+                            }
+                            ImGui.ListBoxFooter();
+                        }
+
+                        ImGui.EndTabItem();
+                    }
+                }
+            }
+
+            private void DrawFileSwapTab()
+            {
+                if( Meta.FileSwaps.Any() )
+                {
+                    if( ImGui.BeginTabItem( LabelFileSwapTab ) )
+                    {
+                        if (_fileSwapOffset == null)
+                            _fileSwapOffset = Meta.FileSwaps.Max( P => ImGui.CalcTextSize(P.Key).X) + TextSizePadding;
+                        ImGui.SetNextItemWidth( -1 );
+                        if( ImGui.ListBoxHeader( LabelFileSwapHeader, AutoFillSize ) )
+                        {
+                            foreach( var file in Meta.FileSwaps )
+                            {
+                                ImGui.Selectable(file.Key);
+                                ImGui.SameLine(_fileSwapOffset ?? 0);
+                                ImGui.TextUnformatted("  -> ");
+                                ImGui.Selectable(file.Value);
+                            }
+                            ImGui.ListBoxFooter();
+                        }
+                        ImGui.EndTabItem();
+                    }
+                    else
+                        _fileSwapOffset = null;
+                }
+            }
+            #endregion
+
+            #region ========== FileList ===============
+            private void UpdateFilenameList()
+            {
+                if (_fullFilenameList == null)
+                {
+                    var len = Mod.Mod.ModBasePath.FullName.Length;
+                    _fullFilenameList = Mod.Mod.ModFiles.Select( F => (F.FullName, false, ColorGreen, "") ).ToArray();
+
+                    if(Meta.Groups?.Count == 0)
+                        return;
+
+                    for (var i = 0; i < Mod.Mod.ModFiles.Count; ++i)
+                    {
+                        _fullFilenameList[i].relName = _fullFilenameList[i].name.Substring(len).TrimStart('\\');
+                        foreach (var Group in Meta.Groups.Values)
+                        {
+                            var inAll = true;
+                            foreach (var Option in Group.Options)
+                            {
+                                if (Option.OptionFiles.ContainsKey(_fullFilenameList[i].relName))
+                                    _fullFilenameList[i].color = ColorYellow;
+                                else
+                                    inAll = false;
+                            }
+                            if (inAll && Group.SelectionType == SelectType.Single)
+                                _fullFilenameList[i].color = ColorGreen;
+                        }
+                    }
+                }
+            }
+
+            private void DrawFileListTab()
+            {
+                if( ImGui.BeginTabItem( LabelFileListTab ) )
+                {
+                    if (ImGui.IsItemHovered())
+                        ImGui.SetTooltip( TooltipFilesTab );
+
+                    ImGui.SetNextItemWidth( -1 );
+                    if( ImGui.ListBoxHeader( LabelFileListHeader, AutoFillSize ) )
+                    {
+                        UpdateFilenameList();
+                        foreach(var file in _fullFilenameList)
+                        {
+                            ImGui.PushStyleColor(ImGuiCol.Text, file.color);
+                            ImGui.Selectable(file.name);
+                            ImGui.PopStyleColor();
+                        }
+                        ImGui.ListBoxFooter();
+                    }
+                    else
+                        _fullFilenameList = null;
+                    ImGui.EndTabItem();
+                }
+            }
+
+            private void HandleSelectedFilesButton(bool remove)
+            {
+                if (_selectedOption == null)
+                    return;
+                var option = (Option) _selectedOption;
+
+                var gamePaths = _currentGamePaths.Split(';');
+                if (gamePaths.Length == 0 || gamePaths[0].Length == 0)
+                    return;
+
+                int? defaultIndex = null;
+                for (var i = 0; i < gamePaths.Length; ++i)
+                {
+                    if (gamePaths[i] == TextDefaultGamePath )
+                    {
+                        defaultIndex = i;
+                        break;
+                    }
+                }
+
+                var baseLength = Mod.Mod.ModBasePath.FullName.Length;
+                var changed    = false;
+                for (var i = 0; i < Mod.Mod.ModFiles.Count; ++i)
+                {
+                    if (!_fullFilenameList[i].selected)
+                        continue;
+
+                    var fileName = _fullFilenameList[i].relName;
+                    if (defaultIndex != null)
+                        gamePaths[(int)defaultIndex] = fileName.Replace('\\', '/');
+
+                    if (remove && option.OptionFiles.TryGetValue(fileName, out var setPaths))
+                    {
+                        if (setPaths.RemoveWhere( P => gamePaths.Contains(P)) > 0)
+                            changed = true;
+                        if (setPaths.Count == 0 && option.OptionFiles.Remove(fileName))
+                            changed = true;
+                    }
+                    else
+                    {
+                        foreach(var gamePath in gamePaths)
+                            changed |= option.AddFile(fileName, gamePath);
+                    }
+                }
+                if (changed)
+                    _selector.SaveCurrentMod();
+            }
+
+            private void DrawAddToGroupButton()
+            {
+                if (ImGui.Button( ButtonAddToGroup ) )
+                    HandleSelectedFilesButton(false);
+            }
+
+            private void DrawRemoveFromGroupButton()
+            {
+                if (ImGui.Button( ButtonRemoveFromGroup ) )
+                    HandleSelectedFilesButton(true);
+            }
+
+            private void DrawEditGroupSelector()
+            {
+                ImGui.SetNextItemWidth( OptionSelectionWidth );
+                if (Meta.Groups.Count == 0)
+                {
+                    ImGui.Combo( LabelGroupSelect, ref _selectedGroupIndex, TextNoOptionAvailable, 1);
+                }
+                else
+                {
+                    if (ImGui.Combo( LabelGroupSelect, ref _selectedGroupIndex, Meta.Groups.Values.Select( G => G.GroupName ).ToArray(), Meta.Groups.Count))
+                    {
+                        SelectGroup();
+                        SelectOption(0);
+                    }
+                }
+            }
+
+            private void DrawEditOptionSelector()
+            {
+                ImGui.SameLine();
+                ImGui.SetNextItemWidth( OptionSelectionWidth );
+                if (_selectedGroup?.Options.Count == 0)
+                {
+                    ImGui.Combo( LabelOptionSelect, ref _selectedOptionIndex, TextNoOptionAvailable, 1);
+                    return;
+                }
+
+                var group = (InstallerInfo) _selectedGroup;
+                if (ImGui.Combo( LabelOptionSelect, ref _selectedOptionIndex, group.Options.Select(O => O.OptionName).ToArray(), group.Options.Count))
+                    SelectOption();
+            }
+            
+            private void DrawGamePathInput()
+            {
+                ImGui.TextUnformatted( LabelGamePathsEdit );
+                ImGui.SameLine();
+                ImGui.SetNextItemWidth(-1);
+                ImGui.InputText(LabelGamePathsEditBox, ref _currentGamePaths, 128);
+                if (ImGui.IsItemHovered())
+                    ImGui.SetTooltip(TooltipGamePathsEdit);
+            }
+            
+            private void DrawGroupRow()
+            {
+                if (_selectedGroup == null)
+                    SelectGroup();
+                if (_selectedOption == null)
+                    SelectOption();
+
+                DrawEditGroupSelector();
+                ImGui.SameLine();
+                DrawEditOptionSelector();
+                ImGui.SameLine();
+                DrawAddToGroupButton();
+                ImGui.SameLine();
+                DrawRemoveFromGroupButton();
+                ImGui.SameLine();
+                DrawGamePathInput();
+            }
+
+            private void DrawFileAndGamePaths(int idx)
+            {
+                void Selectable(uint colorNormal, uint colorReplace)
+                {
+                    var loc = _fullFilenameList[idx].color;
+                    if (loc == colorNormal)
+                        loc = colorReplace;
+                    ImGui.PushStyleColor(ImGuiCol.Text, loc);
+                    ImGui.Selectable( _fullFilenameList[idx].name, ref _fullFilenameList[idx].selected );
+                    ImGui.PopStyleColor();
+                }
+
+                const float indent = 30f;
+                if (_selectedOption == null)
+                {
+                    Selectable(0, ColorGreen);
+                    return;
+                }
+
+                var fileName = _fullFilenameList[idx].relName;
+                if (((Option) _selectedOption).OptionFiles.TryGetValue(fileName, out var gamePaths))
+                {
+                    Selectable(0, ColorGreen);
+
+                    ImGui.Indent(indent);
+                    foreach (var gamePath in gamePaths)
+                    {
+                        ImGui.Text(gamePath);
+                        if (ImGui.IsItemClicked())
+                            ImGui.SetClipboardText(gamePath);
+                        if (ImGui.IsItemHovered())
+                            ImGui.SetTooltip( TooltipGamePathText );
+                    }
+                    ImGui.Unindent(indent);
+                }
+                else
+                    Selectable(ColorYellow, ColorRed);
+            }
+
+            private void DrawFileListTabEdit()
+            {
+                if( ImGui.BeginTabItem( LabelFileListTab ) )
+                {
+                    UpdateFilenameList();
+                    if (ImGui.IsItemHovered())
+                        ImGui.SetTooltip( _editMode ? TooltipFilesTabEdit : TooltipFilesTab );
+
+                    ImGui.SetNextItemWidth( -1 );
+                    if( ImGui.ListBoxHeader( LabelFileListHeader, AutoFillSize - new Vector2(0, 1.5f * ImGui.GetTextLineHeight()) ) )
+                        for(var i = 0; i < Mod.Mod.ModFiles.Count; ++i)
+                            DrawFileAndGamePaths(i);
+
+                    ImGui.ListBoxFooter();
+                    
+                    DrawGroupRow();
+                    ImGui.EndTabItem();
+                }
+                else
+                    _fullFilenameList = null;
+            }
+            #endregion
+
+            #region ========== Configuration ==========
+            #region ========== MultiSelectorEdit ==========
+            private bool DrawMultiSelectorEditBegin(InstallerInfo group)
+            {
+                var groupName = group.GroupName;
+                if (ImGuiCustom.BeginFramedGroupEdit(ref groupName)
+                    && groupName != group.GroupName && !Meta.Groups.ContainsKey(groupName))
+                {
+                    var oldConf = Mod.Conf[group.GroupName];
+                    Meta.Groups.Remove(group.GroupName);
+                    Mod.Conf.Remove(group.GroupName);
+                    if (groupName.Length > 0)
+                    {
+                        Meta.Groups[groupName] = new(){ GroupName = groupName, SelectionType = SelectType.Multi, Options = group.Options };
+                        Mod.Conf[groupName] = oldConf;
+                    }                    
+                    return true;
+                }
+                return false;
+            }
+            private void DrawMultiSelectorEditAdd(InstallerInfo group, float nameBoxStart)
+            {
+                var newOption = "";
+                ImGui.SetCursorPosX(nameBoxStart);
+                ImGui.SetNextItemWidth(MultiEditBoxWidth);
+                if (ImGui.InputText($"##new_{group.GroupName}_l", ref newOption, 64, ImGuiInputTextFlags.EnterReturnsTrue))
+                {
+                    if (newOption.Length != 0)
+                    {
+                        group.Options.Add(new(){ OptionName = newOption, OptionDesc = "", OptionFiles = new() });
+                        _selector.SaveCurrentMod();
+                    }
+                }
+            }
+
+            private void DrawMultiSelectorEdit(InstallerInfo group)
+            {
+                var nameBoxStart = CheckMarkSize;
+                var flag         = Mod.Conf[group.GroupName];
+
+                var modChanged   = DrawMultiSelectorEditBegin(group);
+                
+                for (var i = 0; i < group.Options.Count; ++i)
+                {
+                    var opt = group.Options[i];
+                    var label = $"##{opt.OptionName}_{group.GroupName}";
+                    DrawMultiSelectorCheckBox(group, i, flag, label);
+                
+                    ImGui.SameLine();
+                    var newName = opt.OptionName;
+
+                    if (nameBoxStart == CheckMarkSize)
+                        nameBoxStart = ImGui.GetCursorPosX();
+
+                    ImGui.SetNextItemWidth(MultiEditBoxWidth);
+                    if (ImGui.InputText($"{label}_l", ref newName, 64, ImGuiInputTextFlags.EnterReturnsTrue))
+                    {
+                        if (newName.Length == 0)
+                        {
+                            group.Options.RemoveAt(i);
+                            var bitmaskFront = (1 << i) - 1;
+                            Mod.Conf[group.GroupName] = (flag & bitmaskFront) | ((flag & ~bitmaskFront) >> 1);
+                            modChanged = true;
+                        }
+                        else if (newName != opt.OptionName)
+                        {
+                            group.Options[i] = new(){ OptionName = newName, OptionDesc = opt.OptionDesc, OptionFiles = opt.OptionFiles };
+                            _selector.SaveCurrentMod();
+                        }
+                    }
+                }
+
+                DrawMultiSelectorEditAdd(group, nameBoxStart);
+
+                if (modChanged)
+                {
+                    _selector.SaveCurrentMod();
+                    Save();
+                }
+           
+                ImGuiCustom.EndFramedGroup();
+            }
+            #endregion
+
+            #region ========== SingleSelectorEdit ==========
+            private bool DrawSingleSelectorEditGroup(InstallerInfo group)
+            {
+                var groupName = group.GroupName;
+                if (ImGui.InputText($"##{groupName}_add", ref groupName, 64, ImGuiInputTextFlags.EnterReturnsTrue)
+                    && !Meta.Groups.ContainsKey(groupName))
+                {
+                    var oldConf = Mod.Conf[group.GroupName];
+                    if (groupName != group.GroupName)
+                    {
+                        Meta.Groups.Remove(group.GroupName);
+                        Mod.Conf.Remove(group.GroupName);
+                    }
+                    if (groupName.Length > 0)
+                    {
+                        Meta.Groups.Add(groupName, new InstallerInfo(){ GroupName = groupName, Options = group.Options, SelectionType = SelectType.Single } );
+                        Mod.Conf[groupName] = oldConf;
+                    }
+                    return true;
+                }
+                return false;
+            }
+
+            private float DrawSingleSelectorEdit(InstallerInfo group)
+            {
+                var code             = Mod.Conf[group.GroupName];
+                var selectionChanged = false;
+                var modChanged       = false;
+                var newName          = "";
+                if (ImGuiCustom.RenameableCombo($"##{group.GroupName}", ref code, ref newName, group.Options.Select( x => x.OptionName ).ToArray(), group.Options.Count))
+                {
+                    if (code == group.Options.Count)
+                    {
+                        if (newName.Length > 0)
+                        {
+                            selectionChanged          = true;
+                            modChanged                = true;
+                            Mod.Conf[group.GroupName] = code;
+                            group.Options.Add(new(){ OptionName = newName, OptionDesc = "", OptionFiles = new()});
+                        }
+                    }
+                    else
+                    {
+                        if (newName.Length == 0)
+                        {
+                            modChanged = true;
+                            group.Options.RemoveAt(code);
+                            if (code >= group.Options.Count)
+                                code = 0;
+                        }
+                        else if (newName != group.Options[code].OptionName)
+                        {
+                            modChanged = true;
+                            group.Options[code] = new Option(){ OptionName = newName, OptionDesc = group.Options[code].OptionDesc, OptionFiles = group.Options[code].OptionFiles};
+                        }
+                        if (Mod.Conf[group.GroupName] != code)
+                        {
+                            selectionChanged          = true;
+                            Mod.Conf[group.GroupName] = code;
+                        }
+                    }
+                }
+
+                ImGui.SameLine();
+                var labelEditPos = ImGui.GetCursorPosX();
+                modChanged |= DrawSingleSelectorEditGroup(group);
+
+                if (modChanged)
+                    _selector.SaveCurrentMod();
+
+                if (selectionChanged)
+                    Save();
+
+                return labelEditPos;
+            }
+            #endregion
+            private void AddNewGroup(string newGroup, SelectType selectType)
+            {
+                if (!Meta.Groups.ContainsKey(newGroup) && newGroup.Length > 0)
+                {
+                    Meta.Groups[newGroup] = new ()
+                    { 
+                        GroupName = newGroup, 
+                        SelectionType = selectType, 
+                        Options = new()
+                    } ;
+
+                    Mod.Conf[newGroup] = 0;
+                    _selector.SaveCurrentMod();
+                    Save();
+                }
+            }
+
+            private void DrawAddSingleGroupField(float labelEditPos)
+            {
+                var newGroup = "";
+                if(labelEditPos == CheckMarkSize)
+                {
+                    ImGui.SetCursorPosX(CheckMarkSize);
+                    ImGui.SetNextItemWidth(MultiEditBoxWidth);
+                    if (ImGui.InputText(LabelNewSingleGroup, ref newGroup, 64, ImGuiInputTextFlags.EnterReturnsTrue))
+                        AddNewGroup(newGroup, SelectType.Single);
+                }
+                else
+                {
+                    ImGuiCustom.RightJustifiedLabel(labelEditPos, LabelNewSingleGroup );
+                    if (ImGui.InputText(LabelNewSingleGroupEdit, ref newGroup, 64, ImGuiInputTextFlags.EnterReturnsTrue))
+                        AddNewGroup(newGroup, SelectType.Single);
+                }
+            }
+
+            private void DrawAddMultiGroupField()
+            {
+                var newGroup = "";
+                ImGui.SetCursorPosX(CheckMarkSize);
+                ImGui.SetNextItemWidth(MultiEditBoxWidth);
+                if (ImGui.InputText(LabelNewMultiGroup, ref newGroup, 64, ImGuiInputTextFlags.EnterReturnsTrue))
+                    AddNewGroup(newGroup, SelectType.Multi);
+            }
+
+            private void DrawGroupSelectorsEdit()
+            {
+                var labelEditPos = CheckMarkSize;
+                foreach( var g in Meta.Groups.Values.Where( g => g.SelectionType == SelectType.Single ) )
+                    labelEditPos = DrawSingleSelectorEdit(g);
+                DrawAddSingleGroupField(labelEditPos);
+
+                foreach(var g in Meta.Groups.Values.Where( g => g.SelectionType == SelectType.Multi ))
+                    DrawMultiSelectorEdit(g);
+                DrawAddMultiGroupField();
+            }
+
+            #region Non-Edit
+
+            private void DrawMultiSelectorCheckBox(InstallerInfo group, int idx, int flag, string label)
+            {
+                var opt = group.Options[idx];
+                var enabled = ( flag & (1 << idx)) != 0;
+                var oldEnabled = enabled;
+                if (ImGui.Checkbox(label, ref enabled))
+                {
+                    if (oldEnabled != enabled)
+                    {
+                        Mod.Conf[group.GroupName] ^= (1 << idx);
+                        Save();
+                    }
+                }
+            }
+
+            private void DrawMultiSelector(InstallerInfo group)
+            {
+                if (group.Options.Count == 0)
+                    return;
+
+                ImGuiCustom.BeginFramedGroup(group.GroupName);
+                for(var i = 0; i < group.Options.Count; ++i)
+                    DrawMultiSelectorCheckBox(group, i, Mod.Conf[group.GroupName], $"{group.Options[i].OptionName}##{group.GroupName}");
+
+                ImGuiCustom.EndFramedGroup();
+            }
+
+            private void DrawSingleSelector(InstallerInfo group)
+            {
+                if (group.Options.Count < 2)
+                    return;
+                var code = Mod.Conf[group.GroupName];
+                if( ImGui.Combo( group.GroupName, ref code, group.Options.Select( x => x.OptionName ).ToArray(), group.Options.Count ) )
+                {
+                    Mod.Conf[group.GroupName] = code;
+                    Save();
+                }
+            }
+
+            private void DrawGroupSelectors()
+            {
+                foreach(var g in Meta.Groups.Values.Where( g => g.SelectionType == SelectType.Single ) )
+                    DrawSingleSelector(g);
+                foreach(var g in Meta.Groups.Values.Where( g => g.SelectionType == SelectType.Multi ))
+                    DrawMultiSelector(g);
+                return;
+            }
+            #endregion
+
+
+            private void DrawConfigurationTab()
+            {
+                if (!_editMode && !Meta.HasGroupWithConfig)
+                    return;
+
+                if(ImGui.BeginTabItem( LabelConfigurationTab ) ) 
+                {
+                    if (_editMode)
+                        DrawGroupSelectorsEdit();
+                    else
+                        DrawGroupSelectors();
+                    ImGui.EndTabItem();
+                }
+            }
+            #endregion
+
+            public void Draw(bool editMode)
+            {
+                _editMode = editMode;
+                ImGui.BeginTabBar( LabelPluginDetails );
+
+                DrawAboutTab();
+                DrawChangedItemsTab();
+                DrawConfigurationTab();
+                if (_editMode)
+                    DrawFileListTabEdit();
+                else
+                    DrawFileListTab();
+                DrawFileSwapTab();
+                DrawConflictTab();
+
+                ImGui.EndTabBar();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/TabInstalledModPanel.cs b/Penumbra/UI/TabInstalledModPanel.cs
new file mode 100644
index 000000000..da38d5c88
--- /dev/null
+++ b/Penumbra/UI/TabInstalledModPanel.cs
@@ -0,0 +1,289 @@
+using ImGuiNET;
+using Dalamud.Plugin;
+using System;
+using System.Numerics;
+using System.Diagnostics;
+using Penumbra.Models;
+
+namespace Penumbra.UI
+{
+    public partial class SettingsInterface
+    {
+        private class ModPanel
+        {
+            private const string LabelModPanel        = "selectedModInfo";
+            private const string LabelEditName        = "##editName";
+            private const string LabelEditVersion     = "##editVersion";
+            private const string LabelEditAuthor      = "##editAuthor";
+            private const string LabelEditWebsite     = "##editWebsite";
+            private const string ButtonOpenWebsite    = "Open Website";
+            private const string LabelModEnabled      = "Enabled";
+            private const string LabelEditingEnabled  = "Enable Editing";
+            private const string ButtonOpenModFolder  = "Open Mod Folder";
+            private const string TooltipOpenModFolder = "Open the directory containing this mod in your default file explorer.";
+            private const string ButtonEditJson       = "Edit JSON";
+            private const string TooltipEditJson      = "Open the JSON configuration file in your default application for .json.";
+            private const string ButtonReloadJson     = "Reload JSON";
+            private const string TooltipReloadJson    = "Reload the configuration of all mods.";
+            private const string ButtonDeduplicate    = "Deduplicate";
+            private const string TooltipDeduplicate   = "Try to find identical files and remove duplicate occurences to reduce the mods disk size. Introduces an invisible single-option Group \"Duplicates\".";
+
+            private const float  HeaderLineDistance   = 10f;
+            private static readonly Vector4 GreyColor = new( 1f, 1f, 1f, 0.66f );    
+
+            private readonly SettingsInterface _base;
+            private readonly Selector          _selector;
+            public  readonly PluginDetails     _details;
+
+            private bool   _editMode = false;
+            private string _currentWebsite;
+            private bool   _validWebsite;
+
+            public ModPanel(SettingsInterface ui, Selector s)
+            {
+                _base           = ui;
+                _selector       = s;
+                _details        = new(_base, _selector);
+                _currentWebsite = Meta?.Website;
+            }
+
+            private ModInfo Mod  { get{ return _selector.Mod(); } }
+            private ModMeta Meta { get{ return Mod?.Mod.Meta; } }
+
+            #region Header Line Functions
+            private void DrawName()
+            {
+                var name = Meta.Name;
+                if (ImGuiCustom.InputOrText(_editMode, LabelEditName, ref name, 64) 
+                    && name.Length > 0 && name != Meta.Name)
+                {
+                    Meta.Name = name;
+                    _selector.SaveCurrentMod();
+                }
+            }
+
+            private void DrawVersion()
+            {
+                if (_editMode)
+                {
+                    ImGui.BeginGroup();
+                    ImGui.Text("(Version ");
+
+                    ImGui.PushStyleVar(ImGuiStyleVar.ItemSpacing, ZeroVector);
+                    ImGui.SameLine();
+                    var version = Meta.Version ?? "";
+                    if (ImGuiCustom.ResizingTextInput( LabelEditVersion, ref version, 16)
+                        && version != Meta.Version)
+                    {
+                        Meta.Version = version.Length > 0 ? version : null;
+                        _selector.SaveCurrentMod();
+                    }
+
+                    ImGui.SameLine();
+                    ImGui.Text(")");
+                    ImGui.PopStyleVar();
+                    ImGui.EndGroup();
+                }
+                else if ((Meta.Version?.Length ?? 0) > 0)
+                {
+                    ImGui.Text( $"(Version {Meta.Version})" );
+                }
+            }
+
+            private void DrawAuthor()
+            {
+                ImGui.BeginGroup();
+                ImGui.TextColored( GreyColor, "by" );
+
+                ImGui.SameLine();
+                var author = Meta.Author ?? "";
+                if (ImGuiCustom.InputOrText(_editMode, LabelEditAuthor, ref author, 64) 
+                    && author != Meta.Author)
+                {
+                    Meta.Author = author.Length > 0 ? author : null;
+                    _selector.SaveCurrentMod();
+                }
+                ImGui.EndGroup();
+            }
+
+            private void DrawWebsite()
+            {
+                ImGui.BeginGroup();
+                if (_editMode)
+                {
+                    ImGui.TextColored( GreyColor, "from" );
+                    ImGui.SameLine();
+                    var website = Meta.Website ?? "";
+                    if (ImGuiCustom.ResizingTextInput(LabelEditWebsite, ref website, 512) 
+                        && website != Meta.Website)
+                    {
+                        Meta.Website = website.Length > 0 ? website : null;
+                        _selector.SaveCurrentMod();
+                    }
+                }
+                else if (( Meta.Website?.Length ?? 0 ) > 0)
+                {
+                    if (_currentWebsite != Meta.Website)
+                    {
+                        _currentWebsite = Meta.Website;
+                        _validWebsite = Uri.TryCreate( Meta.Website, UriKind.Absolute, out var uriResult ) 
+                            && ( uriResult.Scheme == Uri.UriSchemeHttps || uriResult.Scheme == Uri.UriSchemeHttp );
+                    }
+                    if( _validWebsite )
+                    {
+                        if( ImGui.SmallButton( ButtonOpenWebsite ) )
+                        {
+                            try
+                            {
+                                var process = new ProcessStartInfo(Meta.Website)
+                                {
+                                    UseShellExecute = true
+                                };
+                                Process.Start(process);
+                            }
+                            catch(System.ComponentModel.Win32Exception)
+                            {
+                                // Do nothing.
+                            }
+                        }
+
+                        if( ImGui.IsItemHovered() )
+                            ImGui.SetTooltip( Meta.Website );
+                    }
+                    else
+                    {
+                        ImGui.TextColored( GreyColor, "from" );
+                        ImGui.SameLine();
+                        ImGui.Text( Meta.Website );
+                    }
+                }
+                ImGui.EndGroup();
+            }
+
+            private void DrawHeaderLine()
+            {
+                DrawName();
+                ImGui.SameLine();
+                DrawVersion();
+                ImGui.SameLine();
+                DrawAuthor();
+                ImGui.SameLine();
+                DrawWebsite();
+            }
+            #endregion
+
+            #region Enabled Checkmarks
+            private void DrawEnabledMark()
+            {
+                var enabled = Mod.Enabled;
+                if( ImGui.Checkbox( LabelModEnabled, ref enabled ) )
+                {
+                    Mod.Enabled = enabled;
+                    _base._plugin.ModManager.Mods.Save();
+                    _base._plugin.ModManager.CalculateEffectiveFileList();
+                    _base._menu._effectiveTab.RebuildFileList(_base._plugin.Configuration.ShowAdvanced);
+                }
+            }
+
+            private void DrawEditableMark()
+            {
+                ImGui.Checkbox( LabelEditingEnabled, ref _editMode);
+            }
+            #endregion
+
+            #region Edit Line Functions
+            private void DrawOpenModFolderButton()
+            {
+                if( ImGui.Button( ButtonOpenModFolder ) )
+                {
+                    Process.Start( Mod.Mod.ModBasePath.FullName );
+                }
+                if( ImGui.IsItemHovered() )
+                    ImGui.SetTooltip( TooltipOpenModFolder );
+            }
+
+            private void DrawEditJsonButton()
+            {
+                if( ImGui.Button( ButtonEditJson ) )
+                {
+                    Process.Start( _selector.SaveCurrentMod() );
+                }
+                if( ImGui.IsItemHovered() )
+                    ImGui.SetTooltip( TooltipEditJson );
+            }
+
+            private void DrawReloadJsonButton()
+            {
+                if( ImGui.Button( ButtonReloadJson ) )
+                {
+                    _selector.ReloadCurrentMod();
+                }
+                if( ImGui.IsItemHovered() )
+                    ImGui.SetTooltip( TooltipReloadJson );
+            }
+
+            private void DrawDeduplicateButton()
+            {
+                if( ImGui.Button( ButtonDeduplicate ) )
+                {
+                    new Deduplicator(Mod.Mod.ModBasePath, Meta).Run();
+                    _selector.SaveCurrentMod();
+                    Mod.Mod.RefreshModFiles();
+                    _base._plugin.ModManager.CalculateEffectiveFileList();
+                    _base._menu._effectiveTab.RebuildFileList(_base._plugin.Configuration.ShowAdvanced);
+                }
+                if( ImGui.IsItemHovered() )
+                    ImGui.SetTooltip( TooltipDeduplicate );
+            }
+
+            private void DrawEditLine()
+            {
+                DrawOpenModFolderButton();
+                ImGui.SameLine();
+                DrawEditJsonButton();
+                ImGui.SameLine();
+                DrawReloadJsonButton();
+                ImGui.SameLine();
+                DrawDeduplicateButton();
+            }
+            #endregion
+
+            public void Draw()
+            {
+                if( Mod != null )
+                {
+                    try
+                    {
+                        var ret = ImGui.BeginChild( LabelModPanel, AutoFillSize, true );
+                        if (!ret)
+                            return;
+
+                        DrawHeaderLine();
+                        
+                        // Next line with fixed distance.
+                        ImGuiCustom.VerticalDistance(HeaderLineDistance);
+
+                        DrawEnabledMark();
+                        if (_base._plugin.Configuration.ShowAdvanced)
+                        {
+                            ImGui.SameLine();
+                            DrawEditableMark();
+                        }
+                    
+                        // Next line, if editable.
+                        if (_editMode)
+                            DrawEditLine();
+
+                        _details.Draw(_editMode);
+                    
+                        ImGui.EndChild();
+                    }
+                    catch( Exception ex )
+                    {
+                        PluginLog.LogError( ex, "fuck" );
+                    }
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/TabInstalledSelector.cs b/Penumbra/UI/TabInstalledSelector.cs
new file mode 100644
index 000000000..3ea959daa
--- /dev/null
+++ b/Penumbra/UI/TabInstalledSelector.cs
@@ -0,0 +1,277 @@
+using System.Numerics;
+using System.Linq;
+using System.IO;
+using Newtonsoft.Json;
+using ImGuiNET;
+using Penumbra.Mods;
+using Penumbra.Models;
+using Dalamud.Interface;
+
+namespace Penumbra.UI
+{
+    public partial class SettingsInterface
+    {
+        private class Selector
+        {
+            private const    string  LabelSelectorList   = "##availableModList";
+            private const    string  TooltipMoveDown     = "Move the selected mod down in priority";
+            private const    string  TooltipMoveUp       = "Move the selected mod up in priority";
+            private const    string  TooltipDelete       = "Delete the selected mod";
+            private const    string  TooltipAdd          = "Add an empty mod";
+            private const    string  DialogDeleteMod     = "PenumbraDeleteMod";
+            private const    string  ButtonYesDelete     = "Yes, delete it";
+            private const    string  ButtonNoDelete      = "No, keep it";
+            private const    float   SelectorPanelWidth  = 240f;
+            private const    uint    DisabledModColor    = 0xFF666666;
+            private const    uint    ConflictingModColor = 0xFFAAAAFF;
+
+            private static readonly Vector2 SelectorButtonSizes = new(60, 0);
+            private static readonly string  ArrowUpString       = FontAwesomeIcon.ArrowUp.ToIconString();
+            private static readonly string  ArrowDownString     = FontAwesomeIcon.ArrowDown.ToIconString();
+
+            private readonly SettingsInterface _base;
+            private ModCollection Mods{ get{ return _base._plugin.ModManager.Mods; } }
+
+            private ModInfo _mod         = null;
+            private int     _index       = 0;
+            private int?    _deleteIndex = null;
+                
+            public Selector(SettingsInterface ui)
+            {
+                _base = ui;
+            }
+
+            private void DrawPriorityChangeButton(string iconString, bool up, int unavailableWhen)
+            {
+                ImGui.PushFont( UiBuilder.IconFont );
+                if( _index != unavailableWhen )
+                {
+                    if( ImGui.Button( iconString, SelectorButtonSizes ) )
+                    {
+                        SetSelection(_index);
+                        _base._plugin.ModManager.ChangeModPriority( _mod, up );
+                        _index += up ? 1 : -1;
+                    }
+                }
+                else
+                {
+                    ImGui.PushStyleVar( ImGuiStyleVar.Alpha, 0.5f );
+                    ImGui.Button( iconString, SelectorButtonSizes );
+                    ImGui.PopStyleVar();
+                }
+
+                ImGui.PopFont();
+
+                if( ImGui.IsItemHovered() )
+                {
+                    ImGui.SetTooltip(
+                        _base._plugin.Configuration.InvertModListOrder ^ up ? TooltipMoveDown : TooltipMoveUp
+                    );
+                }
+            }
+
+            private void DrawModTrashButton()
+            {
+                ImGui.PushFont( UiBuilder.IconFont );
+
+                if( ImGui.Button( FontAwesomeIcon.Trash.ToIconString(), SelectorButtonSizes ) )
+                {
+                    _deleteIndex = _index;
+                }
+
+                ImGui.PopFont();
+
+                if( ImGui.IsItemHovered() )
+                    ImGui.SetTooltip( TooltipDelete );
+            }
+
+            private void DrawModAddButton()
+            {
+                ImGui.PushFont( UiBuilder.IconFont );
+
+                if( ImGui.Button( FontAwesomeIcon.Plus.ToIconString(), SelectorButtonSizes ) )
+                {
+                    // Do nothing. YEAH. #TODO.
+                }
+
+                ImGui.PopFont();
+
+                if( ImGui.IsItemHovered() )
+                    ImGui.SetTooltip( TooltipAdd );
+            }
+
+            private void DrawModsSelectorButtons()
+            {
+                // Selector controls
+                ImGui.PushStyleVar( ImGuiStyleVar.WindowPadding, ZeroVector );
+                ImGui.PushStyleVar( ImGuiStyleVar.FrameRounding, 0 );
+            
+                DrawPriorityChangeButton(ArrowUpString,   false, 0);
+                ImGui.SameLine();
+                DrawPriorityChangeButton(ArrowDownString, true, Mods?.ModSettings.Count - 1 ?? 0);
+                ImGui.SameLine();
+                DrawModTrashButton();
+                ImGui.SameLine();
+                DrawModAddButton();
+
+                ImGui.PopStyleVar( 3 );
+            }
+
+            void DrawDeleteModal()
+            {
+                if( _deleteIndex != null )
+                    ImGui.OpenPopup( DialogDeleteMod );
+
+                var ret = ImGui.BeginPopupModal( DialogDeleteMod );
+                if( !ret )
+                    return;
+
+                if( _mod?.Mod == null )
+                {
+                    ImGui.CloseCurrentPopup();
+                    ImGui.EndPopup();
+                }
+
+                ImGui.Text( "Are you sure you want to delete the following mod:" );
+                // todo: why the fuck does this become null??????
+                ImGui.Text( _mod?.Mod?.Meta?.Name );
+
+                if( ImGui.Button( ButtonYesDelete ) )
+                {
+                    ImGui.CloseCurrentPopup();
+                    _base._plugin.ModManager.DeleteMod( _mod.Mod );
+                    ClearSelection();
+                    _base.ReloadMods();
+                }
+
+                ImGui.SameLine();
+
+                if( ImGui.Button( ButtonNoDelete ) )
+                {
+                    ImGui.CloseCurrentPopup();
+                    _deleteIndex = null;
+                }
+
+                ImGui.EndPopup();
+            }
+
+
+            public void Draw()
+            {
+                if (Mods == null)
+                    return;
+
+                // Selector pane
+                ImGui.BeginGroup();
+                ImGui.PushStyleVar( ImGuiStyleVar.ItemSpacing, ZeroVector );
+
+                // Inlay selector list
+                ImGui.BeginChild( LabelSelectorList, new Vector2(SelectorPanelWidth, -ImGui.GetFrameHeightWithSpacing() ), true );
+
+                for( var modIndex = 0; modIndex < Mods.ModSettings.Count; modIndex++ )
+                {
+                    var settings = Mods.ModSettings[ modIndex ];
+
+                    var changedColour = false;
+                    if( !settings.Enabled )
+                    {
+                        ImGui.PushStyleColor( ImGuiCol.Text, DisabledModColor );
+                        changedColour = true;
+                    }
+                    else if( settings.Mod.FileConflicts.Any() )
+                    {
+                        ImGui.PushStyleColor( ImGuiCol.Text, ConflictingModColor );
+                        changedColour = true;
+                    }
+
+#if DEBUG
+                    var selected = ImGui.Selectable(
+                        $"id={modIndex} {settings.Mod.Meta.Name}",
+                        modIndex == _index
+                    );
+#else
+                    var selected = ImGui.Selectable( settings.Mod.Meta.Name, modIndex == _index );
+#endif
+
+                    if( changedColour )
+                        ImGui.PopStyleColor();
+
+                    if( selected )
+                        SetSelection(modIndex, settings);
+                }
+
+                ImGui.EndChild();
+
+                DrawModsSelectorButtons();
+                ImGui.EndGroup();
+
+                DrawDeleteModal();
+            }
+
+            public ModInfo Mod() => _mod;
+
+            private void SetSelection(int idx, ModInfo info)
+            {
+                _mod         = info;
+                if (idx != _index)
+                    _base._menu._installedTab._modPanel._details.ResetState();
+                _index       = idx;
+                _deleteIndex = null;
+            }
+
+            public void SetSelection(int idx)
+            {
+                if (idx >= (Mods?.ModSettings?.Count ?? 0))
+                    idx = -1;
+                if (idx < 0)
+                    SetSelection(0, null);
+                else
+                    SetSelection(idx, Mods.ModSettings[idx]);
+            }
+
+            public void ClearSelection() => SetSelection(-1);
+
+            public void SelectModByName( string name )
+            {
+                for( var modIndex = 0; modIndex < Mods.ModSettings.Count; modIndex++ )
+                {
+                    var mod = Mods.ModSettings[ modIndex ];
+
+                    if( mod.Mod.Meta.Name != name )
+                        continue;
+
+                    SetSelection(modIndex, mod);
+                    return;
+                }
+            }
+
+            private string GetCurrentModMetaFile()
+            {
+                if( _mod == null )
+                    return "";
+                return Path.Combine( _mod.Mod.ModBasePath.FullName, "meta.json" );
+            }
+
+            public void ReloadCurrentMod()
+            {
+                var metaPath = GetCurrentModMetaFile();
+                if (metaPath.Length > 0 && File.Exists(metaPath))
+                {
+                    _mod.Mod.Meta = ModMeta.LoadFromFile(metaPath) ?? _mod.Mod.Meta;
+                    _base._menu._installedTab._modPanel._details.ResetState();
+                }
+                _mod.Mod.RefreshModFiles();
+                _base._plugin.ModManager.CalculateEffectiveFileList();
+            }
+
+            public string SaveCurrentMod()
+            {
+                var metaPath = GetCurrentModMetaFile();
+                if (metaPath.Length > 0)
+                    File.WriteAllText( metaPath, JsonConvert.SerializeObject( _mod.Mod.Meta, Formatting.Indented ) );
+                _base._menu._installedTab._modPanel._details.ResetState();
+                return metaPath;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/UI/TabSettings.cs b/Penumbra/UI/TabSettings.cs
new file mode 100644
index 000000000..a6e4d389c
--- /dev/null
+++ b/Penumbra/UI/TabSettings.cs
@@ -0,0 +1,174 @@
+using System.Diagnostics;
+using ImGuiNET;
+
+namespace Penumbra.UI
+{
+    public partial class SettingsInterface
+    {
+        private class TabSettings
+        {
+            private const string LabelTab                  = "Settings";
+            private const string LabelRootFolder           = "Root Folder";
+            private const string LabelRediscoverButton     = "Rediscover Mods";
+            private const string LabelOpenFolder           = "Open Mods Folder";
+            private const string LabelEnabled              = "Enable Mods";
+            private const string LabelInvertModOrder       = "Invert mod load order (mods are loaded bottom up)";
+            private const string LabelShowAdvanced         = "Show Advanced Settings";
+            private const string LabelLogLoadedFiles       = "Log all loaded files";
+            private const string LabelDisableNotifications = "Disable filesystem change notifications";
+            private const string LabelEnableHttpApi        = "Enable HTTP API";
+            private const string LabelReloadResource       = "Reload Player Resource";
+                
+            private readonly SettingsInterface _base;
+            private readonly Configuration     _config;
+            private bool                       _configChanged;
+
+            public TabSettings(SettingsInterface ui)
+            {
+                _base          = ui;
+                _config        = _base._plugin.Configuration;
+                _configChanged = false;
+            }
+
+            private void DrawRootFolder()
+            {
+                var basePath = _config.CurrentCollection;
+                if( ImGui.InputText( LabelRootFolder, ref basePath, 255 ) && _config.CurrentCollection != basePath )
+                {
+                    _config.CurrentCollection = basePath;
+                    _configChanged = true;
+                }
+            }
+
+            private void DrawRediscoverButton()
+            {
+                if( ImGui.Button( LabelRediscoverButton ) )
+                {
+                    _base.ReloadMods();
+                    _base._menu._installedTab._selector.ClearSelection();
+                }
+            }
+
+            private void DrawOpenModsButton()
+            {
+                if( ImGui.Button( LabelOpenFolder ) )
+                {
+                    Process.Start( _config.CurrentCollection );
+                }
+            }
+
+            private void DrawEnabledBox()
+            {
+                var enabled = _config.IsEnabled;
+                if( ImGui.Checkbox( LabelEnabled, ref enabled ) )
+                {
+                    _config.IsEnabled = enabled;
+                    _configChanged = true;
+                    RefreshActors.RedrawAll(_base._plugin.PluginInterface.ClientState.Actors);
+                }
+            }
+
+            private void DrawInvertModOrderBox()
+            {
+                var invertOrder = _config.InvertModListOrder;
+                if( ImGui.Checkbox( LabelInvertModOrder, ref invertOrder ) )
+                {
+                    _config.InvertModListOrder = invertOrder;
+                    _base.ReloadMods();
+                    _configChanged = true;
+                }
+            }
+
+            private void DrawShowAdvancedBox()
+            {
+                var showAdvanced = _config.ShowAdvanced;
+                if( ImGui.Checkbox( LabelShowAdvanced, ref showAdvanced ) )
+                {
+                    _config.ShowAdvanced = showAdvanced;
+                    _configChanged = true;
+                    _base._menu._effectiveTab.RebuildFileList(showAdvanced);
+                }
+            }
+
+            private void DrawLogLoadedFilesBox()
+            {
+                if( _base._plugin.ResourceLoader != null )
+                    ImGui.Checkbox( LabelLogLoadedFiles, ref _base._plugin.ResourceLoader.LogAllFiles );
+            }
+
+            private void DrawDisableNotificationsBox()
+            {
+                var fswatch = _config.DisableFileSystemNotifications;
+                if( ImGui.Checkbox( LabelDisableNotifications, ref fswatch ) )
+                {
+                    _config.DisableFileSystemNotifications = fswatch;
+                    _configChanged = true;
+                }
+            }
+
+            private void DrawEnableHttpApiBox()
+            {
+                var http = _config.EnableHttpApi;
+                if( ImGui.Checkbox( LabelEnableHttpApi, ref http ) )
+                {
+                    if( http )
+                        _base._plugin.CreateWebServer();
+                    else
+                        _base._plugin.ShutdownWebServer();
+
+                    _config.EnableHttpApi = http;
+                    _configChanged = true;
+                }
+            }
+
+            private void DrawReloadResourceButton()
+            {
+                if( ImGui.Button( LabelReloadResource ) )
+                {
+                    _base._plugin.GameUtils.ReloadPlayerResources();
+                }
+            }
+
+            private void DrawAdvancedSettings()
+            {
+                DrawLogLoadedFilesBox();
+                DrawDisableNotificationsBox();
+                DrawEnableHttpApiBox();
+                DrawReloadResourceButton();
+            }
+
+            public void Draw()
+            {
+                var ret = ImGui.BeginTabItem( LabelTab );
+                if( !ret )
+                    return;
+
+                DrawRootFolder();
+
+                DrawRediscoverButton();
+                ImGui.SameLine();
+                DrawOpenModsButton();
+
+                ImGuiCustom.VerticalDistance(DefaultVerticalSpace);
+                DrawEnabledBox();
+
+                ImGuiCustom.VerticalDistance(DefaultVerticalSpace);
+                DrawInvertModOrderBox();
+                    
+                ImGuiCustom.VerticalDistance(DefaultVerticalSpace);
+                DrawShowAdvancedBox();
+                    
+                if( _config.ShowAdvanced )
+                    DrawAdvancedSettings();
+
+                if( _configChanged )
+                {
+                    _config.Save();
+                    _configChanged = false;
+                }
+
+                ImGui.EndTabItem();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Penumbra/Util/SingleOrArrayConverter.cs b/Penumbra/Util/SingleOrArrayConverter.cs
new file mode 100644
index 000000000..3742a4da0
--- /dev/null
+++ b/Penumbra/Util/SingleOrArrayConverter.cs
@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+public class SingleOrArrayConverter<T> : JsonConverter
+{
+    public override bool CanConvert( Type objectType )
+    {
+        return (objectType == typeof(HashSet<T>));
+    }
+
+    public override object ReadJson( JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer )
+    {
+        var token = JToken.Load(reader);
+        if (token.Type == JTokenType.Array)
+        {
+            return token.ToObject<HashSet<T>>();
+        }
+        return new HashSet<T>{ token.ToObject<T>() };
+    }
+
+    public override bool CanWrite => false;
+
+    public override void WriteJson( JsonWriter writer, object value, JsonSerializer serializer )
+    {
+        throw new NotImplementedException();
+    }
+}
+
+public class DictSingleOrArrayConverter<T,U> : JsonConverter
+{
+    public override bool CanConvert( Type objectType )
+    {
+        return (objectType == typeof(Dictionary<T, HashSet<U>>));
+    }
+
+    public override object ReadJson( JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer )
+    {
+        var token = JToken.Load(reader);
+        
+        if (token.Type == JTokenType.Array)
+        {
+            return token.ToObject<HashSet<T>>();
+        }
+        return new HashSet<T>{ token.ToObject<T>() };
+    }
+
+    public override bool CanWrite => false;
+
+    public override void WriteJson( JsonWriter writer, object value, JsonSerializer serializer )
+    {
+        throw new NotImplementedException();
+    }
+}