diff --git a/.config/nvim/lua/erik/options.lua b/.config/nvim/lua/erik/options.lua
index 3a627a6..c6a4268 100644
--- a/.config/nvim/lua/erik/options.lua
+++ b/.config/nvim/lua/erik/options.lua
@@ -36,3 +36,34 @@ vim.opt.whichwrap = "<,>,h,l,[,]"
 -- vim.opt.listchars.trail = " "
 -- vim.opt.listchars.extends = "»"
 -- vim.opt.listchars.precedes = "«"
+
+vim.diagnostic.config({
+  virtual_text = {
+    prefix = function(diagnostic)
+      local icons = {
+        [vim.diagnostic.severity.ERROR] = " ",
+        [vim.diagnostic.severity.WARN]  = " ",
+        [vim.diagnostic.severity.HINT]  = " ",
+        [vim.diagnostic.severity.INFO]  = " ",
+      }
+      return icons[diagnostic.severity]
+    end,
+  },
+  virtual_lines = false,
+  signs = {
+    text = {
+      [vim.diagnostic.severity.ERROR] = "",
+      [vim.diagnostic.severity.WARN]  = "",
+      [vim.diagnostic.severity.HINT]  = "",
+      [vim.diagnostic.severity.INFO]  = "",
+    },
+  },
+  signs = true,
+  underline = true,
+  update_in_insert = false,
+})
+
+vim.api.nvim_set_hl(0, "DiagnosticSignError", { fg = "#F44747" })
+vim.api.nvim_set_hl(0, "DiagnosticSignWarn",  { fg = "#FF8800" })
+vim.api.nvim_set_hl(0, "DiagnosticSignInfo",  { fg = "#4FC1FF" })
+vim.api.nvim_set_hl(0, "DiagnosticSignHint",  { fg = "#10B981" })