diff --git a/sagasu/src/filetreewindow.cpp b/sagasu/src/filetreewindow.cpp
index 087772f..6d15092 100644
--- a/sagasu/src/filetreewindow.cpp
+++ b/sagasu/src/filetreewindow.cpp
@@ -16,29 +16,32 @@ FileTreeWindow::FileTreeWindow(HashDatabase &database, const QString &gamePath,
 {
     auto layout = new QVBoxLayout();
     layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(0);
     setLayout(layout);
 
     m_searchModel = new QSortFilterProxyModel();
     m_searchModel->setRecursiveFilteringEnabled(true);
     m_searchModel->setFilterCaseSensitivity(Qt::CaseSensitivity::CaseInsensitive);
 
-    auto searchLayout = new QHBoxLayout();
-    layout->addLayout(searchLayout);
+    /*auto searchLayout = new QHBoxLayout();
+    layout->addLayout(searchLayout);*/
 
     auto searchEdit = new QLineEdit();
     searchEdit->setPlaceholderText(QStringLiteral("Search..."));
     searchEdit->setClearButtonEnabled(true);
+    searchEdit->setProperty("_breeze_borders_sides", QVariant::fromValue(QFlags{Qt::BottomEdge}));
     connect(searchEdit, &QLineEdit::textChanged, this, [this](const QString &text) {
         m_searchModel->setFilterRegularExpression(text);
     });
-    searchLayout->addWidget(searchEdit);
+    layout->addWidget(searchEdit);
 
-    m_unknownCheckbox = new QCheckBox();
+    // TODO Restore as an action, later. it's currently pretty useless as-is as it's a "please slow down and crash" checkbox
+    /*m_unknownCheckbox = new QCheckBox();
     m_unknownCheckbox->setToolTip(QStringLiteral("Show unknown files and folders."));
     connect(m_unknownCheckbox, &QCheckBox::clicked, this, [this] {
         refreshModel();
     });
-    searchLayout->addWidget(m_unknownCheckbox);
+    searchLayout->addWidget(m_unknownCheckbox);*/
 
     auto treeWidget = new QTreeView();
     treeWidget->setModel(m_searchModel);
@@ -76,7 +79,7 @@ FileTreeWindow::FileTreeWindow(HashDatabase &database, const QString &gamePath,
 void FileTreeWindow::refreshModel()
 {
     // TODO: this should really be handled by the proxy
-    m_fileModel = new FileTreeModel(m_database, m_unknownCheckbox->isChecked(), m_gamePath, data);
+    m_fileModel = new FileTreeModel(m_database, false, m_gamePath, data);
     m_searchModel->setSourceModel(m_fileModel);
 }
 
diff --git a/sagasu/src/mainwindow.cpp b/sagasu/src/mainwindow.cpp
index 98d8eab..3c33c9f 100644
--- a/sagasu/src/mainwindow.cpp
+++ b/sagasu/src/mainwindow.cpp
@@ -12,6 +12,7 @@
 #include <QMenuBar>
 #include <QMessageBox>
 #include <QNetworkReply>
+#include <QSplitter>
 #include <QTemporaryDir>
 
 #include "cmppart.h"
@@ -30,15 +31,14 @@ MainWindow::MainWindow(const QString &gamePath, GameData *data)
     , fileCache(*data)
 {
     setupMenubar();
+    setMinimumSize(1280, 720);
 
     m_mgr = new QNetworkAccessManager(this);
 
-    auto dummyWidget = new QWidget();
+    auto dummyWidget = new QSplitter();
+    dummyWidget->setChildrenCollapsible(false);
     setCentralWidget(dummyWidget);
 
-    auto layout = new QHBoxLayout();
-    dummyWidget->setLayout(layout);
-
     m_tree = new FileTreeWindow(m_database, gamePath, data);
     connect(m_tree, &FileTreeWindow::extractFile, this, [this, data](const QString &path) {
         const QFileInfo info(path);
@@ -58,13 +58,13 @@ MainWindow::MainWindow(const QString &gamePath, GameData *data)
     connect(m_tree, &FileTreeWindow::pathSelected, this, [this](const QString &path) {
         refreshParts(path);
     });
-    m_tree->setMaximumWidth(200);
-    layout->addWidget(m_tree);
+    m_tree->setMaximumWidth(300);
+    dummyWidget->addWidget(m_tree);
 
     partHolder = new QTabWidget();
-    partHolder->setMinimumWidth(800);
+    partHolder->setDocumentMode(true); // hide borders
     partHolder->setMinimumHeight(720);
-    layout->addWidget(partHolder);
+    dummyWidget->addWidget(partHolder);
 
     refreshParts({});
 }
@@ -120,6 +120,8 @@ void MainWindow::refreshParts(const QString &path)
 
     auto propertiesWidget = new FilePropertiesWindow(path, file);
     partHolder->addTab(propertiesWidget, QStringLiteral("Properties"));
+
+    partHolder->tabBar()->setExpanding(true);
 }
 
 void MainWindow::setupFileMenu(QMenu *menu)