update git diff

lua/plugins/gitsigns.lua

@@ -3,22 +3,14 @@ return {
   event = { "BufReadPre", "BufNewFile" },
   config = function()
     require("gitsigns").setup({
-      signs = {
-        add = { text = "█" },
-        change = { text = "█" },
-        delete = { text = "▁" },
-        topdelete = { text = "▔" },
-        changedelete = { text = "█" },
-        untracked = { text = "┃" },
-      },
+      -- Disable sign column indicators
+      signcolumn = false,
       -- Show colors on line numbers
       numhl = true,
-      -- Optional: adds subtle highlighting to the entire line (set to true if you want)
-      linehl = false,
-      -- Optional: highlight the word that changed
-      word_diff = false,
-      -- Make the signs stand out a bit more with custom highlights
-      signcolumn = true,
+      -- Highlight the entire line for changed lines (Cursor-style)
+      linehl = true,
+      -- Highlight the word that changed within a line
+      word_diff = true,
       -- Show git blame at end of current line (optional, can be distracting)
       current_line_blame = false,
       current_line_blame_opts = {
@@ -32,6 +24,19 @@ return {
         border = 'rounded',
         style = 'minimal',
       },
+      on_attach = function(bufnr)
+        -- Set up Cursor-style line highlights (subtle background colors)
+        -- Green tint for added lines
+        vim.api.nvim_set_hl(0, "GitSignsAddLn", { bg = "#2a3a2a" })
+        -- Red tint for removed/changed lines
+        vim.api.nvim_set_hl(0, "GitSignsChangeLn", { bg = "#3a2a2a" })
+        vim.api.nvim_set_hl(0, "GitSignsDeleteLn", { bg = "#3a2a2a" })
+        vim.api.nvim_set_hl(0, "GitSignsChangedeleteLn", { bg = "#3a2a2a" })
+        -- Word diff highlights (more prominent)
+        vim.api.nvim_set_hl(0, "GitSignsAddLnInline", { bg = "#3d5a3d" })
+        vim.api.nvim_set_hl(0, "GitSignsChangeLnInline", { bg = "#5a3d3d" })
+        vim.api.nvim_set_hl(0, "GitSignsDeleteLnInline", { bg = "#5a3d3d" })
+      end,
     })
   end,
 }