local o = vim.opt

-- Numbers/UI
o.number = true
o.relativenumber = true
o.signcolumn = "yes"
o.termguicolors = true
o.updatetime = 300

-- Indentation: 2 spaces, never tabs
o.expandtab = true      -- insert spaces when you press <Tab>
o.shiftwidth = 2        -- >> and << shift by 2
o.tabstop = 2           -- a <Tab> displays as 2 spaces
o.softtabstop = 2       -- <BS> unindents by 2 in insert mode
o.smartindent = true    -- basic smart indenting for code

o.clipboard = "unnamedplus"

-- Diagnostics: right-side virtual text + nice floats + sorted severity
vim.diagnostic.config({
  virtual_text = {
    spacing = 2,
    prefix = "●",     -- small dot; try "▎" or "" if you like
  },
  severity_sort = true,
  underline = true,
  update_in_insert = false,     -- don’t distract while typing
  float = {
    border = "rounded",
    source = "if_many",
    header = "",
    prefix = "",
  },
})

-- Pretty signs in the gutter (left)
for type, icon in pairs({ Error="", Warn="", Hint="", Info="" }) do
  local hl = "DiagnosticSign" .. type
  vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = "" })
end