diff --git a/build.zig b/build.zig
index 2db6478..e86ad34 100644
--- a/build.zig
+++ b/build.zig
@@ -182,14 +182,14 @@ pub fn build(b: *std.Build) void {
     b.installDirectory(.{
         .source_dir = b.path("resources/shell-integration"),
         .install_dir = .prefix,
-        .install_subdir = "share/shell-integration",
+        .install_subdir = "share/seance/shell-integration",
     });
 
     // Install wrapper scripts (claude wrapper, etc.)
     b.installDirectory(.{
         .source_dir = b.path("resources/bin"),
         .install_dir = .prefix,
-        .install_subdir = "share/bin",
+        .install_subdir = "share/seance/bin",
     });
 
     // Install bundled icons (from GNOME Icon Library) into hicolor theme
diff --git a/src/command_palette.zig b/src/command_palette.zig
index e856fb7..d116f7b 100644
--- a/src/command_palette.zig
+++ b/src/command_palette.zig
@@ -117,6 +117,7 @@ const static_commands = [_]Command{
     .{ .label = "Jump to Unread", .action = .jump_to_unread, .keywords = "jump unread notification" },
     .{ .label = "Open Settings", .action = .open_settings, .keywords = "settings preferences config options" },
     .{ .label = "Reload Configuration", .action = .reload_config, .keywords = "config reload refresh settings" },
+    .{ .label = "Toggle Fullscreen", .action = .toggle_fullscreen, .keywords = "fullscreen toggle window maximize f11" },
     .{ .label = "Quit Seance", .action = .quit_app, .keywords = "quit exit close application app shutdown" },
 
     // Workspace commands
diff --git a/src/ghostty_bridge.zig b/src/ghostty_bridge.zig
index 42c6754..a555de0 100644
--- a/src/ghostty_bridge.zig
+++ b/src/ghostty_bridge.zig
@@ -211,6 +211,21 @@ fn createWrapperResourcesDir() bool {
         }
     }
 
+    // Symlink ghostty's .zshenv — ghostty sets ZDOTDIR to this directory so
+    // zsh auto-sources .zshenv, which restores the real ZDOTDIR and chains
+    // into ghostty-integration.  Without this symlink the wrapper directory
+    // has no .zshenv and zsh shows the new-user wizard.
+    {
+        var zbuf: [std.fs.max_path_bytes]u8 = undefined;
+        const ztarget = std.fmt.bufPrint(&zbuf, "{s}/shell-integration/zsh/.zshenv", .{real}) catch return false;
+        var zsh_dir = wd.openDir("shell-integration/zsh", .{}) catch return false;
+        defer zsh_dir.close();
+        zsh_dir.symLink(ztarget, ".zshenv", .{}) catch |e| {
+            std.log.warn("ghostty_bridge: failed to symlink .zshenv: {}", .{e});
+            return false;
+        };
+    }
+
     // Write wrapper shell integration scripts
     writeShellWrapper(wd, "shell-integration/bash/ghostty.bash", real, "/shell-integration/bash/ghostty.bash", "/bash-integration.sh") catch return false;
     writeShellWrapper(wd, "shell-integration/zsh/ghostty-integration", real, "/shell-integration/zsh/ghostty-integration", "/zsh-integration.sh") catch return false;
diff --git a/src/keybinds.zig b/src/keybinds.zig
index 8ed2096..3fb98ee 100644
--- a/src/keybinds.zig
+++ b/src/keybinds.zig
@@ -73,6 +73,7 @@ pub const Action = enum(u8) {
 
     // Window
     new_window,
+    toggle_fullscreen,
     quit_app,
 
     // Command palette
@@ -260,6 +261,7 @@ fn initDefaults() void {
 
     // Window
     set(.new_window, .{ .key = c.GDK_KEY_N, .ctrl = true, .shift = true });
+    set(.toggle_fullscreen, .{ .key = c.GDK_KEY_F11 });
     set(.quit_app, .{ .key = c.GDK_KEY_Q, .ctrl = true, .shift = true });
 
     // Command palette
@@ -547,6 +549,7 @@ pub fn executeAction(action: Action, state: *Window.WindowState) c.gboolean {
         .new_window => {
             _ = state.window_manager.newWindow();
         },
+        .toggle_fullscreen => state.toggleFullscreen(),
         .quit_app => state.quitApp(),
 
         // Command palette
diff --git a/src/pane.zig b/src/pane.zig
index 23fe877..66a0432 100644
--- a/src/pane.zig
+++ b/src/pane.zig
@@ -670,10 +670,10 @@ fn initSurface(pane: *Pane, width: u32, height: u32) void {
         if (std.fs.selfExePath(&exe_buf)) |exe_path| {
             if (std.fs.path.dirname(exe_path)) |exe_dir| {
                 if (std.fs.path.dirname(exe_dir)) |prefix| {
-                    if (std.fmt.bufPrintZ(&int_env_val_buf, "{s}/share/shell-integration", .{prefix})) |iv| {
+                    if (std.fmt.bufPrintZ(&int_env_val_buf, "{s}/share/seance/shell-integration", .{prefix})) |iv| {
                         int_val = iv;
                     } else |_| {}
-                    if (std.fmt.bufPrintZ(&bin_env_val_buf, "{s}/share/bin", .{prefix})) |bv| {
+                    if (std.fmt.bufPrintZ(&bin_env_val_buf, "{s}/share/seance/bin", .{prefix})) |bv| {
                         bin_val = bv;
                     } else |_| {}
                 }
diff --git a/src/shortcuts_overlay.zig b/src/shortcuts_overlay.zig
index b98f185..203f354 100644
--- a/src/shortcuts_overlay.zig
+++ b/src/shortcuts_overlay.zig
@@ -121,6 +121,7 @@ const groups = [_]Group{
         .title = "General",
         .rows = &.{
             .{ .single = .{ .action = .new_window, .label = "New Window" } },
+            .{ .single = .{ .action = .toggle_fullscreen, .label = "Fullscreen" } },
             .{ .single = .{ .action = .open_command_palette, .label = "Command Palette" } },
             .{ .single = .{ .action = .open_folder, .label = "Open Folder" } },
             .{ .single = .{ .action = .open_settings, .label = "Settings" } },
diff --git a/src/window.zig b/src/window.zig
index 3f11a04..b90a1c9 100644
--- a/src/window.zig
+++ b/src/window.zig
@@ -814,6 +814,15 @@ pub const WindowState = struct {
     /// `confirm_close_window` is enabled and there's interesting state to
     /// warn about (multiple windows or multiple workspaces), shows a single
     /// quit confirmation dialog instead of doing it per-window.
+    pub fn toggleFullscreen(self: *WindowState) void {
+        const win: *c.GtkWindow = @ptrCast(self.gtk_window);
+        if (c.gtk_window_is_fullscreen(win) != 0) {
+            c.gtk_window_unfullscreen(win);
+        } else {
+            c.gtk_window_fullscreen(win);
+        }
+    }
+
     pub fn quitApp(self: *WindowState) void {
         const cfg = config_mod.get();
         if (!cfg.confirm_close_window or !hasInterestingState(self.window_manager)) {
@@ -1552,6 +1561,16 @@ pub fn create(wm: *WindowManager) !*WindowState {
         0,
     );
 
+    // Hide CSD title bar when entering fullscreen
+    _ = c.g_signal_connect_data(
+        @as(c.gpointer, @ptrCast(window)),
+        "notify::fullscreened",
+        @as(c.GCallback, @ptrCast(&onFullscreenChanged)),
+        @ptrCast(state),
+        null,
+        0,
+    );
+
     // Load theme-aware CSS
     loadThemeCss();
 
@@ -1695,6 +1714,13 @@ fn onWindowFocusChanged(_: *c.GObject, _: ?*anyopaque, data: c.gpointer) callcon
     }
 }
 
+fn onFullscreenChanged(_: *c.GObject, _: ?*anyopaque, data: c.gpointer) callconv(.c) void {
+    const state: *WindowState = @ptrCast(@alignCast(data));
+    const tv = state.toolbar_view orelse return;
+    const is_fullscreen = c.gtk_window_is_fullscreen(@as(*c.GtkWindow, @ptrCast(state.gtk_window)));
+    c.adw_toolbar_view_set_reveal_top_bars(@as(*c.AdwToolbarView, @ptrCast(tv)), if (is_fullscreen != 0) 0 else 1);
+}
+
 fn onWorkspaceSelect(index: usize) void {
     if (window_manager) |wm| if (wm.active_window) |state| state.selectWorkspace(index);
 }