diff --git a/.vimrc b/.vimrc
index 18bfbda..dc160ce 100644
--- a/.vimrc
+++ b/.vimrc
@@ -31,6 +31,7 @@ call plug#end()
 
 
 " copy&paste from system clipboard
+set clipboard=unnamedplus
 vnoremap  <leader>y  "+y
 vnoremap  <leader>p  "+p
 
diff --git a/alacritty/alacritty.toml b/alacritty/alacritty.toml
index 53a92bb..1cef752 100644
--- a/alacritty/alacritty.toml
+++ b/alacritty/alacritty.toml
@@ -3,7 +3,7 @@ background = "#000000"
 foreground = "#ffffff"
 
 [font]
-size = 9.0
+size = 14.0
 
 [font.bold]
 family = "terminus"
diff --git a/backup-configs.sh b/backup-configs.sh
new file mode 100755
index 0000000..6638cda
--- /dev/null
+++ b/backup-configs.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+
+cp ~/.config/nvim/init.vim ./init.vim
+cp ~/.vimrc ./.vimrc
+cp ~/vimconfigbase.vim ./vimconfigbase.vim
+cp ~/.tmux.conf ./.tmux.conf
+
+mkdir -p sway
+cp ~/.config/sway/config ./sway/config
+cp ~/.config/sway/status.sh ./sway/status.sh
+
+mkdir -p alacritty
+cp ~/.config/alacritty/alacritty.toml ./alacritty/alacritty.toml
diff --git a/nixos/common-configuration.nix b/nixos/common-configuration.nix
index 982a4ce..a391be5 100644
--- a/nixos/common-configuration.nix
+++ b/nixos/common-configuration.nix
@@ -21,9 +21,9 @@
     LC_TIME = "es_ES.UTF-8";
   };
 
-  services.displayManager = {
-      defaultSession = "none+i3";
-  };
+#  services.displayManager = {
+#      defaultSession = "none+i3";
+#  };
   services.xserver = {
     xkb = { # Configure keymap in X11
       layout = "us";
@@ -31,20 +31,40 @@
     };
 
     enable=true;
-    #displayManager = {
-    #  defaultSession = "none+i3";
-    #};
-    windowManager.i3 = {
-      enable=true;
-      extraPackages = with pkgs; [
-        dmenu
-        i3status
-        i3lock
-      ];
-    };
+#    #displayManager = {
+#    #  defaultSession = "none+i3";
+#    #};
+#    windowManager.i3 = {
+#      enable=true;
+#      extraPackages = with pkgs; [
+#        dmenu
+#        i3status
+#        i3lock
+#      ];
+#    };
   };
+  # --- sway wm config:
+  services.xserver.displayManager.gdm.enable=true;
+  services.xserver.displayManager.gdm.wayland=false;
+  #services.xserver.displayManager.plasma5.enable=true;
+  # Enable the gnome-keyring secrets vault. 
+  # Will be exposed through DBus to programs willing to store secrets.
+  services.gnome.gnome-keyring.enable = true;
+  # enable sway wm
+  programs.sway = {
+    enable = true;
+    wrapperFeatures.gtk = true;
+  };
+  security.polkit.enable = true;
+  # --- end of sway config.
 
   environment.systemPackages = with pkgs; [
+	# sway wm utilities
+	grim # screenshot functionality
+	slurp # screenshot functionality
+	wl-clipboard # wl-copy and wl-paste for copy/paste from stdin / stdout
+	mako # notification system developed by swaywm maintainer
+
 	# utilities
  	wget
 	tmux
@@ -65,6 +85,7 @@
 	xfce.xfce4-screenshooter
 	pulseaudio
 	usbutils
+	time
 
 	# code editors
   	vim
@@ -124,8 +145,9 @@
 	#gcc
 	clang
 	clang-tools
-	pkg-config
+
 	openssl.dev
+
 	stdenv
 	rustup
 	wabt # wasm binary toolkit
@@ -137,12 +159,14 @@
 	opam # ocaml package manager, for coq packages
 	go
 	(python3.withPackages(ps: with ps; [
-		matplotlib numpy qmk
+		matplotlib numpy
+		qmk
 		meshtastic esptool # meshtastic related
 		unicodeit
 	]))
 	pipx
 	nodejs
+	pnpm
 
 	# other
 	qmk
diff --git a/sway/config b/sway/config
new file mode 100644
index 0000000..f231093
--- /dev/null
+++ b/sway/config
@@ -0,0 +1,248 @@
+# Default config for sway
+#
+# Copy this to ~/.config/sway/config and edit it to your liking.
+#
+# Read `man 5 sway` for a complete reference.
+
+### Variables
+#
+# Logo key. Use Mod1 for Alt.
+set $mod Mod4
+# Home row direction keys, like vim
+set $left h
+set $down j
+set $up k
+set $right l
+# Your preferred terminal emulator
+set $term alacritty
+# Your preferred application launcher
+set $menu wmenu-run
+
+### Output configuration
+#
+# Default wallpaper (more resolutions are available in /run/current-system/sw/share/backgrounds/sway/)
+# output * bg /run/current-system/sw/share/backgrounds/sway/Sway_Wallpaper_Blue_1920x1080.png fill
+output * bg ~/Sync-tablet/wallpapers/geometry02_croped1920x1080.png fill
+#
+# Example configuration:
+#
+#   output HDMI-A-1 resolution 1920x1080 position 1920,0
+#
+# You can get the names of your outputs by running: swaymsg -t get_outputs
+output HDMI-A-1 resolution 3840x2160 position 1920 0
+output eDP-1 resolution 1920x1200 position 0 0
+
+### Idle configuration
+#
+# Example configuration:
+#
+# exec swayidle -w \
+#          timeout 300 'swaylock -f -c 000000' \
+#          timeout 600 'swaymsg "output * power off"' resume 'swaymsg "output * power on"' \
+#          before-sleep 'swaylock -f -c 000000'
+#
+# This will lock your screen after 300 seconds of inactivity, then turn off
+# your displays after another 300 seconds, and turn your screens back on when
+# resumed. It will also lock your screen before your computer goes to sleep.
+
+# lock screen
+bindsym $mod+Control+l exec swaylock -i ~/Sync/wallpapers/geometry02_croped1920x1080_pixelized.png -c 000000
+
+bindsym $mod+Control+d exec poweroff
+
+### Input configuration
+#
+# Example configuration:
+#
+#   input "2:14:SynPS/2_Synaptics_TouchPad" {
+#       dwt enabled
+#       tap enabled
+#       natural_scroll enabled
+#       middle_emulation enabled
+#   }
+#
+# You can get the names of your inputs by running: swaymsg -t get_inputs
+# Read `man 5 sway-input` for more information about this section.
+
+### Key bindings
+#
+# Basics:
+#
+    # Start a terminal
+    bindsym $mod+Return exec $term
+
+    # Kill focused window
+    bindsym $mod+Shift+q kill
+
+    # Start your launcher
+    bindsym $mod+d exec $menu
+
+    # Drag floating windows by holding down $mod and left mouse button.
+    # Resize them with right mouse button + $mod.
+    # Despite the name, also works for non-floating windows.
+    # Change normal to inverse to use left mouse button for resizing and right
+    # mouse button for dragging.
+    floating_modifier $mod normal
+
+    # Reload the configuration file
+    bindsym $mod+Shift+c reload
+
+    # Exit sway (logs you out of your Wayland session)
+    bindsym $mod+Shift+e exec swaynag -t warning -m 'You pressed the exit shortcut. Do you really want to exit sway? This will end your Wayland session.' -B 'Yes, exit sway' 'swaymsg exit'
+#
+# Moving around:
+#
+    # Move your focus around
+    bindsym $mod+$left focus left
+    bindsym $mod+$down focus down
+    bindsym $mod+$up focus up
+    bindsym $mod+$right focus right
+    # Or use $mod+[up|down|left|right]
+    bindsym $mod+Left focus left
+    bindsym $mod+Down focus down
+    bindsym $mod+Up focus up
+    bindsym $mod+Right focus right
+
+    # Move the focused window with the same, but add Shift
+    bindsym $mod+Shift+$left move left
+    bindsym $mod+Shift+$down move down
+    bindsym $mod+Shift+$up move up
+    bindsym $mod+Shift+$right move right
+    # Ditto, with arrow keys
+    bindsym $mod+Shift+Left move left
+    bindsym $mod+Shift+Down move down
+    bindsym $mod+Shift+Up move up
+    bindsym $mod+Shift+Right move right
+#
+# Workspaces:
+#
+    # Switch to workspace
+    bindsym $mod+1 workspace number 1
+    bindsym $mod+2 workspace number 2
+    bindsym $mod+3 workspace number 3
+    bindsym $mod+4 workspace number 4
+    bindsym $mod+5 workspace number 5
+    bindsym $mod+6 workspace number 6
+    bindsym $mod+7 workspace number 7
+    bindsym $mod+8 workspace number 8
+    bindsym $mod+9 workspace number 9
+    bindsym $mod+0 workspace number 10
+    # Move focused container to workspace
+    bindsym $mod+Shift+1 move container to workspace number 1
+    bindsym $mod+Shift+2 move container to workspace number 2
+    bindsym $mod+Shift+3 move container to workspace number 3
+    bindsym $mod+Shift+4 move container to workspace number 4
+    bindsym $mod+Shift+5 move container to workspace number 5
+    bindsym $mod+Shift+6 move container to workspace number 6
+    bindsym $mod+Shift+7 move container to workspace number 7
+    bindsym $mod+Shift+8 move container to workspace number 8
+    bindsym $mod+Shift+9 move container to workspace number 9
+    bindsym $mod+Shift+0 move container to workspace number 10
+    # Note: workspaces can have any name you want, not just numbers.
+    # We just use 1-10 as the default.
+#
+# Layout stuff:
+#
+    # You can "split" the current object of your focus with
+    # $mod+b or $mod+v, for horizontal and vertical splits
+    # respectively.
+    bindsym $mod+b splith
+    bindsym $mod+v splitv
+
+    # Switch the current container between different layout styles
+    bindsym $mod+s layout stacking
+    bindsym $mod+w layout tabbed
+    bindsym $mod+e layout toggle split
+
+    # Make the current focus fullscreen
+    bindsym $mod+f fullscreen
+
+    # Toggle the current focus between tiling and floating mode
+    bindsym $mod+Shift+space floating toggle
+
+    # Swap focus between the tiling area and the floating area
+    bindsym $mod+space focus mode_toggle
+
+    # Move focus to the parent container
+    bindsym $mod+a focus parent
+#
+# Scratchpad:
+#
+    # Sway has a "scratchpad", which is a bag of holding for windows.
+    # You can send windows there and get them back later.
+
+    # Move the currently focused window to the scratchpad
+    bindsym $mod+Shift+minus move scratchpad
+
+    # Show the next scratchpad window or hide the focused scratchpad window.
+    # If there are multiple scratchpad windows, this command cycles through them.
+    bindsym $mod+minus scratchpad show
+#
+# Resizing containers:
+#
+mode "resize" {
+    # left will shrink the containers width
+    # right will grow the containers width
+    # up will shrink the containers height
+    # down will grow the containers height
+    bindsym $left resize shrink width 10px
+    bindsym $down resize grow height 10px
+    bindsym $up resize shrink height 10px
+    bindsym $right resize grow width 10px
+
+    # Ditto, with arrow keys
+    bindsym Left resize shrink width 10px
+    bindsym Down resize grow height 10px
+    bindsym Up resize shrink height 10px
+    bindsym Right resize grow width 10px
+
+    # Return to default mode
+    bindsym Return mode "default"
+    bindsym Escape mode "default"
+}
+bindsym $mod+r mode "resize"
+#
+# Utilities:
+#
+    # Special keys to adjust volume via PulseAudio
+    bindsym --locked XF86AudioMute exec pactl set-sink-mute \@DEFAULT_SINK@ toggle
+    bindsym --locked XF86AudioLowerVolume exec pactl set-sink-volume \@DEFAULT_SINK@ -5%
+    bindsym --locked XF86AudioRaiseVolume exec pactl set-sink-volume \@DEFAULT_SINK@ +5%
+    bindsym --locked XF86AudioMicMute exec pactl set-source-mute \@DEFAULT_SOURCE@ toggle
+    # Special keys to adjust brightness via brightnessctl
+    bindsym --locked XF86MonBrightnessDown exec brightnessctl set 5%-
+    bindsym --locked XF86MonBrightnessUp exec brightnessctl set 5%+
+    # Special key to take a screenshot with grim
+    bindsym Print exec grim
+
+#
+# Status Bar:
+#
+# Read `man 5 sway-bar` for more information about this section.
+bar {
+    position bottom
+    status_command while ~/.config/sway/status.sh; do sleep 1; done
+
+    # When the status_command prints a new line to stdout, swaybar updates.
+    # The default just shows the current date and time.
+    # status_command while date +'%Y-%m-%d %X'; do sleep 1; done
+
+    colors {
+        statusline #ffffff
+        background #000000
+        inactive_workspace #32323200 #32323200 #5c5c5c
+    }
+}
+
+default_border pixel 1
+
+# shortcut to switch regular/bold font in alacritty configuration
+bindsym $mod+Control+b exec sed -i 's/\"Regular\"#tag_for_shortcut/\"Bold\"#tag_for_shortcut/g' ~/.config/alacritty/alacritty.toml
+bindsym $mod+Control+Shift+b exec sed -i 's/\"Bold\"#tag_for_shortcut/\"Regular\"#tag_for_shortcut/g' ~/.config/alacritty/alacritty.toml
+
+# move current workspace to another display
+bindsym $mod+Control+k move workspace to output HDMI-A-1
+# bindsym $mod+Control+k move workspace to output DP-1
+bindsym $mod+Control+j move workspace to output eDP-1
+
+include /etc/sway/config.d/*
diff --git a/sway/status.sh b/sway/status.sh
new file mode 100755
index 0000000..4d37ef0
--- /dev/null
+++ b/sway/status.sh
@@ -0,0 +1,23 @@
+# sway config at ~/.config/sway/config calls this script, through line:
+#     status_command while ~/.config/sway/status.sh; do sleep 1; done
+# Changes should be applied when saving this script, if not, use
+# "killall swaybar" and $mod+Shift+c to reload the configuration.
+
+uptime_formatted=$(uptime | cut -d ',' -f1  | cut -d ' ' -f4,5)
+
+# date and time format: Tue 2025-08-19 22:37
+date_formatted=$(date "+%a %F %H:%M")
+
+volume=$(pactl get-sink-volume @DEFAULT_SINK@ | awk '{print $5}')
+muted=$(pactl get-sink-mute @DEFAULT_SINK@ | awk '{print $2}')
+# if [ "$MUTED" = "yes" ]; then // TODO
+#     echo "🔇 Muted"
+# else
+#     echo "🔊 $VOLUME"
+# fi
+
+battery_status=$(cat /sys/class/power_supply/BAT0/status) # "Full", "Discharging", or "Charging"
+battery_capacity=$(cat /sys/class/power_supply/BAT0/capacity) # %
+
+# 💎 💻 💡 🔌 ⚡ 📁 \| 🐧
+echo $uptime_formatted ↑ $volume $muted 🔊 $battery_status $battery_capacity% 🔋 $date_formatted
diff --git a/vimconfigbase.vim b/vimconfigbase.vim
index b94c400..a6ba3db 100644
--- a/vimconfigbase.vim
+++ b/vimconfigbase.vim
@@ -38,7 +38,7 @@ set sidescrolloff=5           " keep at least 5 lines left/right
 " set textwidth=80
 
 " toggle for paste mode
-set pastetoggle=<F3>
+"set pastetoggle=<F3> " NOTE: not supported in latest release of neovim (yes in vim)
 
 " set ignorecase  " do case insensitive search 
 set incsearch   " show incremental search results as you type