-- Line numbers
vim.opt.number = true         -- show absolute line numbers
vim.opt.relativenumber = true -- show relative line numbers

-- Mouse & clipboard
vim.opt.mouse = "a"               -- enable mouse support
vim.opt.clipboard = "unnamedplus" -- use system clipboard

-- Visual behavior
vim.opt.termguicolors = true -- enable true colors
vim.opt.cursorline = true    -- highlight the current line
vim.opt.wrap = false         -- do not wrap long lines
vim.opt.signcolumn = "yes"   -- always show the sign number (LSP, git)

-- Scrolling
vim.opt.scrolloff = 8     -- keep space above/below cursor
vim.opt.sidescrolloff = 8 -- keep space left/right of cursor

-- Indentation
vim.opt.expandtab = true -- use spaces instead of tabs
vim.opt.tabstop = 2      -- how many spaces a tab looks like
vim.opt.shiftwidth = 2   -- how many spaces when indenting

-- Search
vim.opt.ignorecase = true -- case-insensitive search
vim.opt.smartcase = true  -- case-sensitive if uppercase is used
vim.opt.incsearch = true  -- show matches while typing
vim.opt.hlsearch = false  -- do not keep matches highlighted

-- Window splits
vim.opt.splitbelow = true -- horizontal splits open below
vim.opt.splitright = true -- vertical splits open to the right

-- Diagnostics
vim.diagnostic.config({
  virtual_text = true,      -- use virtual text for diagnostics
  signs = true,             -- use signs for diagnostics
  underline = true,         -- use underline for diagnostics
  update_in_insert = false, -- update diagnostics in insert mod
  severity_sort = true,     -- sort diagnostics by severity
})