diff --git a/.config/ambit/config.ambit b/.config/ambit/config.ambit
index 9d2c0f9..253a7d0 100644
--- a/.config/ambit/config.ambit
+++ b/.config/ambit/config.ambit
@@ -1,11 +1,12 @@
 .config/ambit/config.ambit;
 .config/nvim/[
-    init.vim,
-    startscreen.vimstart,
-    UltiSnips/[
-        cpp.snippets,
-        markdown.snippets,
-        tex.snippets
+    init.lua,
+    lua/[
+        completion.lua,
+        lsp.lua,
+        mappings.lua,
+        plugins.lua,
+        treesitter.lua
     ]
 ];
 .config/eww/[
diff --git a/.config/nvim/init.lua b/.config/nvim/init.lua
new file mode 100644
index 0000000..ee63e88
--- /dev/null
+++ b/.config/nvim/init.lua
@@ -0,0 +1,35 @@
+-- https://github.com/priime0/dotfiles
+
+-- given a key and value, set nvim's global settings of key to value
+local function opt(key, value)
+    vim.o[key] = value
+end
+
+-- line numbers
+opt("number", true)
+opt("relativenumber", true)
+
+-- tabs
+opt("expandtab", true)
+opt("tabstop", 4)
+opt("shiftwidth", 4)
+opt("smarttab", true)
+
+-- indentation
+opt("smartindent", true)
+opt("autoindent", true)
+
+-- misc
+opt("termguicolors", true)
+opt("scrolloff", 1)
+opt("cursorline", true)
+opt("showcmd", true)
+opt("inccommand", "split")
+opt("updatetime", 100)
+opt("mouse", "a")
+
+require("plugins")
+require("mappings")
+require("treesitter")
+require("lsp")
+require("completion")
diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index 7c9f4c8..6cb5abb 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -56,6 +56,7 @@ nnoremap <silent> <C-n>b :lua require"gitsigns".blame_line()<CR>
 
 call plug#begin('~/.config/nvim/plugged')
 
+Plug 'wbthomason/packer.nvim'
 Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
 Plug 'ayu-theme/ayu-vim'
 Plug 'lewis6991/gitsigns.nvim', {'branch': 'main'}
@@ -156,10 +157,6 @@ require'lspconfig'.ccls.setup{
 }
 EOF
 
-lua << EOF
-require'lspconfig'.pyls.setup{}
-EOF
-
 lua << EOF
 require'lspconfig'.tsserver.setup{}
 EOF
diff --git a/.config/nvim/lua/completion.lua b/.config/nvim/lua/completion.lua
new file mode 100644
index 0000000..2bc4326
--- /dev/null
+++ b/.config/nvim/lua/completion.lua
@@ -0,0 +1,31 @@
+-- nvim-cmp
+local cmp = require("cmp")
+
+cmp.setup {
+    completion = {
+        autocomplete = false
+    },
+    snippet = {
+        expand = function(args)
+            require("luasnip").lsp_expand(args.body)
+        end,
+    },
+    mapping = {
+        ['<C-b>'] = cmp.mapping(cmp.mapping.scroll_docs(-4), { 'i', 'c' }),
+        ['<C-f>'] = cmp.mapping(cmp.mapping.scroll_docs(4), { 'i', 'c' }),
+        ['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c' }),
+        ['<C-y>'] = cmp.config.disable, -- Specify `cmp.config.disable` if you want to remove the default `<C-y>` mapping.
+        ['<C-e>'] = cmp.mapping({
+            i = cmp.mapping.abort(),
+            c = cmp.mapping.close(),
+        }),
+        ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+    },
+    sources = cmp.config.sources {
+        { name = "nvim_lsp" },
+        { name = "nvim_lua" },
+        { name = "luasnip" },
+        { name = "buffer" },
+        { name = "path" }
+    }
+}
diff --git a/.config/nvim/lua/lsp.lua b/.config/nvim/lua/lsp.lua
new file mode 100644
index 0000000..e172ecd
--- /dev/null
+++ b/.config/nvim/lua/lsp.lua
@@ -0,0 +1,70 @@
+local lspconfig = require('lspconfig')
+
+local opts = { noremap = true, silent = true }
+
+local on_attach = function(client, bufnr)
+    -- Enable completion
+    vim.api.nvim_buf_set_option(bufnr, 'omnifunc')
+
+    -- Mappings
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
+    vim.api.nvim_buf_set_keymap(bufnr, 'n', '<space>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
+end
+
+local capabilities = require("cmp_nvim_lsp").update_capabilities(vim.lsp.protocol.make_client_capabilities())
+
+lspconfig.ccls.setup {
+    on_attach = on_attach,
+    capabilities = capabilities,
+    init_options = {
+        cache = {
+            directory = vim.fn.expand("$HOME/.cache/ccls/")
+        }
+    }
+}
+
+lspconfig.rust_analyzer.setup {
+    on_attach = on_attach,
+    capabilities = capabilities,
+    settings = {
+        ["rust-analyzer"] = {
+            checkOnSave = {
+                command = "clippy"
+            },
+            diagnostics = {
+                disabled = {
+                    "mismatched-arg-count"
+                }
+            }
+        }
+    }
+}
+
+lspconfig.tsserver.setup {
+    on_attach = on_attach,
+    capabilities = capabilities
+}
+
+lspconfig.java_language_server.setup {
+    on_attach = on_attach,
+    capabilities = capabilities,
+    cmd = { "/usr/share/java/java-language-server/lang_server_linux.sh" }
+}
+
+lspconfig.vuels.setup {
+    on_attach = on_attach,
+    capabilities = capabilities
+}
+
+lspconfig.racket_langserver.setup {}
diff --git a/.config/nvim/lua/mappings.lua b/.config/nvim/lua/mappings.lua
new file mode 100644
index 0000000..442bf47
--- /dev/null
+++ b/.config/nvim/lua/mappings.lua
@@ -0,0 +1 @@
+vim.g.mapleader = "<Space>"
diff --git a/.config/nvim/lua/plugins.lua b/.config/nvim/lua/plugins.lua
new file mode 100644
index 0000000..777dd51
--- /dev/null
+++ b/.config/nvim/lua/plugins.lua
@@ -0,0 +1,110 @@
+local packer = require("packer")
+local use = packer.use
+
+packer.startup(function()
+    -- plugin/package manager
+    use("wbthomason/packer.nvim")
+
+    -- lib
+    use("nvim-lua/plenary.nvim")
+
+    -- language
+    use("nvim-treesitter/nvim-treesitter")
+    use("neovim/nvim-lspconfig")
+    use("j-hui/fidget.nvim")
+
+    -- ui
+    use("ayu-theme/ayu-vim")
+    use("nvim-lua/popup.nvim")
+    use("nvim-telescope/telescope.nvim")
+    use("lewis6991/gitsigns.nvim")
+    use("kyazdani42/nvim-web-devicons")
+    use("kyazdani42/nvim-tree.lua")
+    use("nvim-lualine/lualine.nvim")
+    use("akinsho/toggleterm.nvim")
+
+    -- completion
+    use("hrsh7th/nvim-cmp")
+    use("hrsh7th/cmp-path")
+    use("hrsh7th/cmp-buffer")
+    use("hrsh7th/cmp-nvim-lsp")
+    use("hrsh7th/cmp-nvim-lua")
+    use("L3MON4D3/LuaSnip")
+    use("saadparwaiz1/cmp_luasnip")
+
+    if packer_bootstrap then
+      require('packer').sync()
+    end
+end)
+
+-- fidget
+require("fidget").setup {}
+
+-- ayu
+vim.cmd([[let ayucolor="dark"]])
+vim.cmd([[colorscheme ayu]])
+
+-- telescope
+require("telescope").setup {
+    defaults = {
+        mappings = {
+            i = {
+                ["<esc>"] = require("telescope.actions").close
+            },
+        },
+        pickers = {
+            hidden = true,
+            file_ignore_patterns = { ".git/" }
+        }
+    }
+}
+
+-- git signs
+require('gitsigns').setup {
+    signs = {
+        add          = {hl = 'GitSignsAdd'   , text = '│', numhl='GitSignsAddNr'   , linehl='GitSignsAddLn'},
+        change       = {hl = 'GitSignsChange', text = '│', numhl='GitSignsChangeNr', linehl='GitSignsChangeLn'},
+        delete       = {hl = 'GitSignsDelete', text = '│', numhl='GitSignsDeleteNr', linehl='GitSignsDeleteLn'},
+        topdelete    = {hl = 'GitSignsDelete', text = '│', numhl='GitSignsDeleteNr', linehl='GitSignsDeleteLn'},
+        changedelete = {hl = 'GitSignsChange', text = '│', numhl='GitSignsChangeNr', linehl='GitSignsChangeLn'},
+    },
+    signcolumn = true,
+    numhl = false,
+    linehl = false,
+    word_diff = false,
+    watch_gitdir = {
+        interval = 1500,
+        follow_files = true
+    },
+}
+
+-- nvim-web-devicons
+require('nvim-web-devicons').setup {}
+
+-- nvim-tree
+require('nvim-tree').setup {
+    view = {
+        width = 25,
+        signcolumn = "no",
+    },
+    diagnostics = {
+        enable = true,
+    },
+    git = {
+        enable = true,
+        ignore = true,
+        timeout = 1500,
+    }
+}
+
+-- lualine
+require('lualine').setup {
+    options = {
+        theme = 'ayu_dark'
+    },
+}
+
+-- toggleterm
+require('toggleterm').setup {
+    open_mapping = [[<leader>ot]]
+}
diff --git a/.config/nvim/lua/treesitter.lua b/.config/nvim/lua/treesitter.lua
new file mode 100644
index 0000000..59fd7cf
--- /dev/null
+++ b/.config/nvim/lua/treesitter.lua
@@ -0,0 +1,35 @@
+local ts_config = require("nvim-treesitter.configs")
+
+ts_config.setup {
+    ensure_installed = {
+        "bash",
+        "c",
+        "cpp",
+        "css",
+        "haskell",
+        "html",
+        "java",
+        "javascript",
+        "json",
+        "latex",
+        "lua",
+        "make",
+        "markdown",
+        "ocaml",
+        "python",
+        "regex",
+        "rust",
+        "scss",
+        "svelte",
+        "toml",
+        "tsx",
+        "typescript",
+        "vim",
+        "vue",
+        "yaml"
+    },
+    highlight = {
+        enable = true,
+        use_languagetree = true
+    }
+}
diff --git a/.config/sxhkd/sxhkdrc b/.config/sxhkd/sxhkdrc
index fce9346..57e3ec0 100644
--- a/.config/sxhkd/sxhkdrc
+++ b/.config/sxhkd/sxhkdrc
@@ -204,3 +204,7 @@ XF86AudioMute
 
 super + {a,o}
     pactl set-sink-volume @DEFAULT_SINK@ {+,-}2%
+
+# switch monitor mode
+super + {x,b}
+    ~/.screenlayout/{monitor,single-screen}.sh