local opt = vim.opt

-- Line numbers
opt.number         = true
opt.relativenumber = true
opt.cursorline     = true
opt.signcolumn     = "yes"   -- always show (prevents layout shifting with LSP)

-- Indentation (spaces, 2-wide by default; LSP/treesitter adjusts per language)
opt.tabstop     = 2
opt.shiftwidth  = 2
opt.expandtab   = true
opt.smartindent = true

-- Search
opt.ignorecase = true
opt.smartcase  = true   -- case-sensitive when query has uppercase
opt.hlsearch   = true

-- System clipboard — y/p work with Ctrl+C/Ctrl+V from other apps
opt.clipboard = "unnamedplus"

-- Splits open in natural directions
opt.splitbelow = true
opt.splitright = true

-- Appearance
opt.termguicolors = true
opt.wrap          = false
opt.scrolloff     = 8    -- keep 8 lines visible above/below cursor

-- Files & undo
opt.swapfile = false
opt.undofile = true      -- persistent undo across sessions

-- Performance
opt.updatetime = 250     -- faster CursorHold (used by LSP hover)
opt.timeoutlen = 300     -- faster which-key popup

-- Mouse support
opt.mouse = "a"