local opt = vim.opt

-- Columns and gutters
opt.colorcolumn = "80,120" -- Highlight columns 80, 120
opt.number = true -- Line numbers in the gutter
opt.relativenumber = true -- Relative line numbers in the gutter
opt.signcolumn = "yes:1" -- Sign column in the gutter always visible

-- Indentation
opt.autoindent = true -- Enable auto-indentation
opt.breakindent = true -- ?
opt.expandtab = true -- Default to spaces instead of tabs
opt.shiftround = true -- Round indent to multiple of shift-width
opt.shiftwidth = 4 -- Number of spaces when auto-indenting
opt.softtabstop = 4 -- Number of spaces for a tab when editing
opt.tabstop = 4 -- Number of spaces for a tab

-- Display and adornments
opt.cursorline = true -- Highlight current line
opt.guifont = "Inconsolata Patched G:h12"
opt.list = true -- Show whitespace characters
opt.listchars = { tab = "» ", trail = "￮", nbsp = "␣", lead = "•" }
opt.scrolloff = 3 -- Show 3 lines above and below cursor
opt.showmode = false -- Don't show the mode since it's in our statusline
opt.termguicolors = true -- Use true terminal colors
opt.virtualedit = "block"
opt.winborder = "rounded" -- Rounded borders for windows

-- Behavior
opt.confirm = true
opt.ignorecase = true -- Ignore case in search and commands
opt.inccommand = "split" -- Preview substitutions live
opt.mouse = "a" -- Turn on mouse support
opt.smartcase = true -- ?
opt.splitbelow = true
opt.splitright = true
opt.timeoutlen = 1000 -- Command timeout length
opt.undofile = true
opt.updatetime = 250 -- ?

-- Clipboard
-- Sync clipboard between OS and Neovim.
vim.schedule(function()
	vim.opt.clipboard = "unnamedplus"
end)

-- Features
vim.cmd.filetype("plugin indent on")
vim.g.have_nerd_font = true