diff --git a/docs/todo.md b/docs/todo.md
index 492ceba..8569521 100644
--- a/docs/todo.md
+++ b/docs/todo.md
@@ -1,10 +1,8 @@
 # todo items
 
-- config for terminal (kitty? havoc?)
 - config for shell (likely oksh)
 - config for calcurse
 - config for mpd, and client(s), (mpd clients to consider: mpc, ncmpcpp, ncmpc, inori)
-- decide what i'm doing for music streaming; spotify official? web? tui option?
 - hyprland config and install on linux
 - web browsers config and install
 - get find, xargs, awk (use nawk) as unified as i can across system types
diff --git a/src_files/.config/htop/htoprc b/src_files/.config/htop/htoprc
index fa1329d..27aa5b9 100644
--- a/src_files/.config/htop/htoprc
+++ b/src_files/.config/htop/htoprc
@@ -28,7 +28,7 @@ show_cpu_frequency=0
 show_cached_memory=1
 update_process_names=0
 account_guest_in_cpu_meter=0
-color_scheme=5
+color_scheme=6
 enable_mouse=1
 delay=40
 hide_function_bar=0
diff --git a/src_files/.config/nvim/lua/key_mappings.lua b/src_files/.config/nvim/lua/key_mappings.lua
index fe4b0ae..cd89cf9 100644
--- a/src_files/.config/nvim/lua/key_mappings.lua
+++ b/src_files/.config/nvim/lua/key_mappings.lua
@@ -11,7 +11,7 @@ vim.keymap.set("n", "<leader>n", vim.cmd.Ex)
 vim.keymap.set("v", "J", ":m '>+1<CR>gv")
 vim.keymap.set("v", "K", ":m '<-2<CR>gv")
 
--- reduce effective distance of half-page jumps and vertically-center the cursor
+-- reduce effective distance of half-page jumps and vertically-pad the cursor
 vim.keymap.set("n", "<C-d>", "<C-d>4<C-y>M")
 vim.keymap.set("n", "<C-u>", "<C-u>4<C-e>M")
 
@@ -60,6 +60,14 @@ kmgAutocmd('FileType', {
     end
 })
 
+------------------------------------------------------------------------------------------
+-- visual/ui-related toggles and shortcuts
+
+vim.keymap.set("n", "<leader>vl", function() ToggleCursorLine() end)
+vim.keymap.set("n", "<leader>vc", function() ToggleColorColumn('90') end)
+vim.keymap.set("n", "<leader>vn", function() ToggleLineNumbers() end)
+vim.keymap.set("n", "<leader>vw", function() ToggleWritingMode() end)
+
 ------------------------------------------------------------------------------------------
 -- quickfix and location lists
 -- ref: :h quickfix or :h location-list
@@ -118,10 +126,10 @@ kmgAutocmd('LspAttach', {
         vim.keymap.set("n", "<leader>lv", function() vim.diagnostic.open_float() end, opts)
         vim.keymap.set("n", "<leader>lq", function() vim.diagnostic.setqflist() end, opts)
         -- TODO: learn what the below commands are and if i want to set keymaps for them
-        -- vim.keymap.set("n", "<leader>vws", function() vim.lsp.buf.workspace_symbol() end, opts)
-        -- vim.keymap.set("n", "<leader>vca", function() vim.lsp.buf.code_action() end, opts)
-        -- vim.keymap.set("n", "<leader>vrl", function() vim.lsp.buf.references() end, opts)
-        -- vim.keymap.set("n", "<leader>vrn", function() vim.lsp.buf.rename() end, opts)
+        -- vim.keymap.set("n", "<leader>lws", function() vim.lsp.buf.workspace_symbol() end, opts)
+        -- vim.keymap.set("n", "<leader>lca", function() vim.lsp.buf.code_action() end, opts)
+        -- vim.keymap.set("n", "<leader>lrl", function() vim.lsp.buf.references() end, opts)
+        -- vim.keymap.set("n", "<leader>lrn", function() vim.lsp.buf.rename() end, opts)
     end
 })
 
diff --git a/src_files/.config/nvim/lua/settings.lua b/src_files/.config/nvim/lua/settings.lua
index cedcc0f..6b1e71a 100644
--- a/src_files/.config/nvim/lua/settings.lua
+++ b/src_files/.config/nvim/lua/settings.lua
@@ -5,17 +5,24 @@ vim.opt.incsearch = true
 
 vim.opt.termguicolors = true
 vim.opt.scrolloff = 2
-vim.opt.colorcolumn = "90"
+vim.opt.colorcolumn = '' -- default to off, see keymapping shortcut to toggle
 vim.opt.signcolumn = "yes" -- "auto", "yes", "no", "number"
 vim.opt.laststatus = 2
 vim.opt.splitright = true
 vim.opt.splitbelow = true
-vim.opt.nu = true
+vim.opt.number = true
 vim.opt.relativenumber = true
 vim.opt.cursorline = true
 vim.opt.cursorlineopt = "both"
 vim.opt.smartindent = true
+
 vim.opt.wrap = true
+vim.opt.textwidth = 0
+vim.opt.wrapmargin = 0
+vim.opt.fillchars = { eob = ' ' }
+
+vim.opt.spell = false
+vim.opt.spelllang = 'en_us'
 
 vim.opt.errorbells = false
 vim.opt.visualbell = false
diff --git a/src_files/.config/nvim/lua/util_functions.lua b/src_files/.config/nvim/lua/util_functions.lua
index 774374d..4a0a679 100644
--- a/src_files/.config/nvim/lua/util_functions.lua
+++ b/src_files/.config/nvim/lua/util_functions.lua
@@ -15,7 +15,7 @@ function TmpBuff(split_opt)
     vim.opt_local.buftype = "nofile"
     vim.opt_local.bufhidden = "hide"
     vim.opt_local.swapfile = false
-    vim.cmd("file tmp_" .. os.date("%Y%m%d_%H%M%S"))
+    vim.cmd("file tmp_" .. os.date("%Y%m%d_%H%M%S") .. "_" .. math.random(471))
 end
 
 function ReadShellCmd(command)
@@ -32,3 +32,88 @@ function ToggleTabsSpaces()
     end
 end
 
+function ToggleLineNumbers()
+    if vim.opt.number:get() then
+        vim.opt.number = false
+        vim.opt.relativenumber = false
+    else
+        vim.opt.number = true
+        vim.opt.relativenumber = true
+    end
+end
+
+function ToggleColorColumn(column_string)
+    if #vim.opt.colorcolumn:get() == 0 then
+        vim.opt.colorcolumn = (column_string or '90')
+    else
+        vim.opt.colorcolumn = ''
+    end
+end
+
+function ToggleCursorLine()
+    vim.opt.cursorline = (not vim.opt.cursorline:get())
+end
+
+local function EnableWritingModeUiForCurrentWindow()
+    vim.opt_local.number = false
+    vim.opt_local.relativenumber = false
+    vim.opt_local.colorcolumn = ''
+    vim.opt_local.signcolumn = "no"
+    vim.opt_local.cursorline = false
+    vim.opt_local.winfixwidth = true
+    -- vim.opt_local.wrap = true -- TODO: needed?
+    vim.opt_local.laststatus = 0
+end
+
+function ToggleWritingMode()
+    if vim.g.writing_mode then
+        vim.g.writing_mode = false
+
+        vim.api.nvim_set_hl(0, 'WinSeparator', vim.g.wrmode_prev_hl_winsep or {})
+        vim.opt_local.winfixwidth = false
+        vim.cmd("wincmd l")
+        vim.api.nvim_win_close(0, false)
+        vim.cmd("wincmd h")
+        vim.api.nvim_win_close(0, false)
+
+        vim.opt_local.number = true
+        vim.opt_local.relativenumber = true
+        vim.opt_local.signcolumn = "yes"
+        vim.opt_local.cursorline = true
+        vim.opt_local.spell = false
+        -- vim.opt_local.wrap = true -- TODO: needed?
+        vim.opt_local.textwidth = 0
+        vim.opt_local.scrolloff = 2
+        vim.opt_local.formatoptions:remove('t')
+        vim.opt_local.laststatus = 0
+        -- vim.cmd("vertical resize")
+    else
+        vim.g.writing_mode = true
+
+        vim.g.wrmode_prev_hl_winsep = vim.api.nvim_get_hl(0, { name = 'WinSeparator' })
+        vim.api.nvim_set_hl(0, 'WinSeparator', { bg = 'none', fg = '#000000' })
+        local window_width = 72
+        local window_padding = math.max(math.floor((vim.o.columns - window_width) / 2), 1)
+        vim.cmd("vsplit")
+        local writing_pane = vim.api.nvim_get_current_win()
+        EnableWritingModeUiForCurrentWindow()
+        vim.opt_local.spell = true
+        vim.opt_local.textwidth = window_width
+        vim.opt_local.scrolloff = 14
+        vim.opt_local.formatoptions:append('t')
+        vim.cmd("wincmd h")
+        TmpBuff('enew')
+        local padding_pane_left = vim.api.nvim_get_current_win()
+        EnableWritingModeUiForCurrentWindow()
+        vim.cmd("wincmd l")
+        TmpBuff('vnew')
+        local padding_pane_right = vim.api.nvim_get_current_win()
+        EnableWritingModeUiForCurrentWindow()
+        vim.api.nvim_set_current_win(writing_pane)
+
+        vim.api.nvim_win_set_width(padding_pane_left, window_padding)
+        vim.api.nvim_win_set_width(padding_pane_right, window_padding)
+        vim.api.nvim_win_set_width(writing_pane, window_width)
+    end
+end
+
diff --git a/src_files/.config/tmux/tmux.conf b/src_files/.config/tmux/tmux.conf
index 197e70d..c31bb9a 100644
--- a/src_files/.config/tmux/tmux.conf
+++ b/src_files/.config/tmux/tmux.conf
@@ -1,10 +1,19 @@
 set -s escape-time 0
 
+# replace default prefix and bind-key
 unbind C-b
 set-option -g prefix C-Space
 bind-key C-Space send-prefix
+
+# settings for status line and window list
+set-option -g base-index 1
+set-option -g status-position 'bottom'
+set-option -g status-left-length 28
+set-option -Fg status-right '#{host} | %Y%m%d %H:%M' # or maybe host_short
+
+# theme settings
+set-option -g status-style "bg=default fg=default" # default, theme files can overwrite
 source-file "$XDG_CONFIG_HOME/tmux/theme.conf"
-set -g base-index 1
 
 # unbind keys
 unbind-key f; unbind-key C-f; unbind-key s; unbind-key C-s
diff --git a/src_files/.config/zz-this-box/themes/gruvbox/tmux.conf b/src_files/.config/zz-this-box/themes/gruvbox/tmux.conf
index 8b039e1..127c7b3 100644
--- a/src_files/.config/zz-this-box/themes/gruvbox/tmux.conf
+++ b/src_files/.config/zz-this-box/themes/gruvbox/tmux.conf
@@ -1,5 +1,2 @@
-set -g status-style 'bg=#111111 fg=#22cc00'
-
-# transparency
-set-window-option -g window-style bg=default
-# set-option -g status-style bg=default
+set-window-option -g window-style bg=default # transparency
+set-option -g status-style 'bg=default fg=#22cc00'
diff --git a/src_files/.config/zz-this-box/themes/gruvbox/wallpaper/01-kjas-airport-03.jpg b/src_files/.config/zz-this-box/themes/gruvbox/wallpaper/01-kjas-airport-03.jpg
new file mode 100644
index 0000000..ec6111b
Binary files /dev/null and b/src_files/.config/zz-this-box/themes/gruvbox/wallpaper/01-kjas-airport-03.jpg differ
diff --git a/src_files/.config/zz-this-box/themes/gruvbox/wallpaper/02-kjas-airport-01.jpg b/src_files/.config/zz-this-box/themes/gruvbox/wallpaper/02-kjas-airport-01.jpg
new file mode 100644
index 0000000..4b8d4d1
Binary files /dev/null and b/src_files/.config/zz-this-box/themes/gruvbox/wallpaper/02-kjas-airport-01.jpg differ
diff --git a/src_files/.config/zz-this-box/themes/osaka-jade/tmux.conf b/src_files/.config/zz-this-box/themes/osaka-jade/tmux.conf
index 478b537..27b6e6f 100644
--- a/src_files/.config/zz-this-box/themes/osaka-jade/tmux.conf
+++ b/src_files/.config/zz-this-box/themes/osaka-jade/tmux.conf
@@ -1,5 +1,2 @@
-set -g status-style 'bg=#549E6A fg=#000000'
-
-# transparency
-set-window-option -g window-style bg=default
-# set-option -g status-style bg=default
+set-window-option -g window-style bg=default # transparency
+set-option -g status-style 'bg=#549E6A fg=#000000'
diff --git a/src_files/.config/zz-this-box/themes/pina/tmux.conf b/src_files/.config/zz-this-box/themes/pina/tmux.conf
index 8b039e1..b03b147 100644
--- a/src_files/.config/zz-this-box/themes/pina/tmux.conf
+++ b/src_files/.config/zz-this-box/themes/pina/tmux.conf
@@ -1,5 +1,2 @@
-set -g status-style 'bg=#111111 fg=#22cc00'
-
-# transparency
-set-window-option -g window-style bg=default
-# set-option -g status-style bg=default
+set-window-option -g window-style bg=default # transparency
+set-option -g status-style 'bg=default fg=#7db085'
diff --git a/src_files/.config/zz-this-box/themes/pina/wallpaper/02-santa-monica-beach-05.jpg b/src_files/.config/zz-this-box/themes/pina/wallpaper/02-santa-monica-beach-05.jpg
new file mode 100644
index 0000000..e845ade
Binary files /dev/null and b/src_files/.config/zz-this-box/themes/pina/wallpaper/02-santa-monica-beach-05.jpg differ
diff --git a/src_files/.config/zz-this-box/themes/tokyodark/tmux.conf b/src_files/.config/zz-this-box/themes/tokyodark/tmux.conf
index 8b039e1..127c7b3 100644
--- a/src_files/.config/zz-this-box/themes/tokyodark/tmux.conf
+++ b/src_files/.config/zz-this-box/themes/tokyodark/tmux.conf
@@ -1,5 +1,2 @@
-set -g status-style 'bg=#111111 fg=#22cc00'
-
-# transparency
-set-window-option -g window-style bg=default
-# set-option -g status-style bg=default
+set-window-option -g window-style bg=default # transparency
+set-option -g status-style 'bg=default fg=#22cc00'
diff --git a/src_files/imports/themes-omarchy-core/gruvbox/backgrounds/01-grubox-bg.jpg b/src_files/imports/themes-omarchy-core/gruvbox/backgrounds/03-grubox-bg-1-gruvbox.jpg
similarity index 100%
rename from src_files/imports/themes-omarchy-core/gruvbox/backgrounds/01-grubox-bg.jpg
rename to src_files/imports/themes-omarchy-core/gruvbox/backgrounds/03-grubox-bg-1-gruvbox.jpg
diff --git a/src_files/imports/themes-omarchy-extra/pina/backgrounds/01-pina-bg.jpg b/src_files/imports/themes-omarchy-extra/pina/backgrounds/01-pina-bg-1.jpg
similarity index 100%
rename from src_files/imports/themes-omarchy-extra/pina/backgrounds/01-pina-bg.jpg
rename to src_files/imports/themes-omarchy-extra/pina/backgrounds/01-pina-bg-1.jpg