diff --git a/README.md b/README.md
index df5a8fd..1ce6527 100644
--- a/README.md
+++ b/README.md
@@ -505,6 +505,8 @@ _See [config.lua#L9](./lua/avante/config.lua) for the full config_
     -- Examples:
     -- auto_approve_tool_permissions = false,                -- Show permission prompts for all tools
     -- auto_approve_tool_permissions = {"bash", "replace_in_file"}, -- Auto-approve specific tools only
+    ---@type "popup" | "inline_buttons"
+    confirmation_ui_style = "inline_buttons",
   },
   prompt_logger = { -- logs prompts to disk (timestamped, for replay/debugging)
     enabled = true, -- toggle logging entirely
diff --git a/README_zh.md b/README_zh.md
index ffefb0e..cede9ef 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -363,6 +363,8 @@ _请参见 [config.lua#L9](./lua/avante/config.lua) 以获取完整配置_
     auto_add_current_file = true, -- 打开新聊天时是否自动添加当前文件。默认为 true。
     enable_cursor_planning_mode = false, -- 是否启用 Cursor 规划模式。默认为 false。
     enable_claude_text_editor_tool_mode = false, -- 是否启用 Claude 文本编辑器工具模式。
+    ---@type "popup" | "inline_buttons"
+    confirmation_ui_style = "inline_buttons",
   },
   mappings = {
     --- @class AvanteConflictMappings
diff --git a/lua/avante/config.lua b/lua/avante/config.lua
index 93e8604..a7ed1a9 100644
--- a/lua/avante/config.lua
+++ b/lua/avante/config.lua
@@ -517,6 +517,10 @@ M._defaults = {
     enable_fastapply = false,
     include_generated_by_commit_line = false, -- Controls if 'Generated-by: <provider/model>' line is added to git commit message
     auto_add_current_file = true, -- Whether to automatically add the current file when opening a new chat
+    --- popup is the original yes,all,no in a floating window
+    --- inline_buttons is the new inline buttons in the sidebar
+    ---@type "popup" | "inline_buttons"
+    confirmation_ui_style = "inline_buttons",
   },
   prompt_logger = { -- logs prompts to disk (timestamped, for replay/debugging)
     enabled = true, -- toggle logging entirely
diff --git a/lua/avante/llm.lua b/lua/avante/llm.lua
index c010b91..54962dc 100644
--- a/lua/avante/llm.lua
+++ b/lua/avante/llm.lua
@@ -14,7 +14,8 @@ local Providers = require("avante.providers")
 local LLMToolHelpers = require("avante.llm_tools.helpers")
 local LLMTools = require("avante.llm_tools")
 local History = require("avante.history")
-local Highlights = require("avante.highlights")
+local HistoryRender = require("avante.history.render")
+local ACPConfirmAdapter = require("avante.ui.acp_confirm_adapter")
 
 ---@class avante.LLM
 local M = {}
@@ -49,10 +50,9 @@ function M.summarize_memory(prev_memory, history_messages, cb)
     cb(nil)
     return
   end
-  local Render = require("avante.history.render")
   local conversation_items = vim
     .iter(history_messages)
-    :map(function(msg) return msg.message.role .. ": " .. Render.message_to_text(msg, history_messages) end)
+    :map(function(msg) return msg.message.role .. ": " .. HistoryRender.message_to_text(msg, history_messages) end)
     :totable()
   local conversation_text = table.concat(conversation_items, "\n")
   local user_prompt = "Here is the conversation so far:\n"
@@ -1040,33 +1040,9 @@ function M._stream_acp(opts)
             Utils.error("Avante sidebar not found")
             return
           end
+
           ---@cast tool_call avante.acp.ToolCall
-          local items = vim
-            .iter(options)
-            :map(function(item)
-              local icon = item.kind == "allow_once" and "" or ""
-              if item.kind == "allow_always" then icon = "" end
-              local hl = nil
-              if item.kind == "reject_once" or item.kind == "reject_always" then
-                hl = Highlights.BUTTON_DANGER_HOVER
-              end
-              return {
-                id = item.optionId,
-                name = item.name,
-                icon = icon,
-                hl = hl,
-              }
-            end)
-            :totable()
-          sidebar.permission_button_options = items
-          sidebar.permission_handler = function(id)
-            callback(id)
-            sidebar.scroll = true
-            sidebar.permission_button_options = nil
-            sidebar.permission_handler = nil
-            sidebar._history_cache_invalidated = true
-            sidebar:update_content("")
-          end
+
           local message = tool_call_messages[tool_call.toolCallId]
           if not message then
             message = add_tool_call_message(tool_call)
@@ -1076,7 +1052,29 @@ function M._stream_acp(opts)
               message.acp_tool_call = vim.tbl_deep_extend("force", message.acp_tool_call, tool_call)
             end
           end
+
           on_messages_add({ message })
+
+          local description = HistoryRender.get_tool_display_name(message)
+          LLMToolHelpers.confirm(description, function(ok)
+            local acp_mapped_options = ACPConfirmAdapter.map_acp_options(options)
+
+            if ok and opts.session_ctx and opts.session_ctx.always_yes then
+              callback(acp_mapped_options.all)
+            elseif ok then
+              callback(acp_mapped_options.yes)
+            else
+              callback(acp_mapped_options.no)
+            end
+
+            sidebar.scroll = true
+            sidebar._history_cache_invalidated = true
+            sidebar:update_content("")
+          end, {
+            focus = true,
+            skip_reject_prompt = true,
+            permission_options = options,
+          }, opts.session_ctx, tool_call.kind)
         end,
         on_read_file = function(path, line, limit, callback)
           local abs_path = Utils.to_absolute_path(path)
diff --git a/lua/avante/llm_tools/helpers.lua b/lua/avante/llm_tools/helpers.lua
index 3f0be92..3e9b684 100644
--- a/lua/avante/llm_tools/helpers.lua
+++ b/lua/avante/llm_tools/helpers.lua
@@ -1,5 +1,7 @@
 local Utils = require("avante.utils")
 local Path = require("plenary.path")
+local Config = require("avante.config")
+local ACPConfirmAdapter = require("avante.ui.acp_confirm_adapter")
 
 local M = {}
 
@@ -19,9 +21,34 @@ function M.get_abs_path(rel_path)
   return p
 end
 
+---@type avante.acp.PermissionOption[]
+local default_permission_options = {
+  { optionId = "allow_always", name = "Allow Always", kind = "allow_always" },
+  { optionId = "allow_once", name = "Allow", kind = "allow_once" },
+  { optionId = "reject_once", name = "Reject", kind = "reject_once" },
+}
+
+---@param callback fun(option_id: string)
+---@param confirm_opts avante.ui.ConfirmOptions
+function M.confirm_inline(callback, confirm_opts)
+  local sidebar = require("avante").get()
+  local items =
+    ACPConfirmAdapter.generate_buttons_for_acp_options(confirm_opts.permission_options or default_permission_options)
+
+  sidebar.permission_button_options = items
+  sidebar.permission_handler = function(id)
+    callback(id)
+    sidebar.scroll = true
+    sidebar.permission_button_options = nil
+    sidebar.permission_handler = nil
+    sidebar._history_cache_invalidated = true
+    sidebar:update_content("")
+  end
+end
+
 ---@param message string
----@param callback fun(yes: boolean, reason?: string)
----@param confirm_opts? { focus?: boolean }
+---@param callback fun(response: boolean, reason?: string)
+---@param confirm_opts? avante.ui.ConfirmOptions
 ---@param session_ctx? table
 ---@param tool_name? string -- Optional tool name to check against tool_permissions config
 ---@return avante.ui.Confirm | nil
@@ -32,7 +59,6 @@ function M.confirm(message, callback, confirm_opts, session_ctx, tool_name)
   end
 
   -- Check behaviour.auto_approve_tool_permissions config for auto-approval
-  local Config = require("avante.config")
   local auto_approve = Config.behaviour.auto_approve_tool_permissions
 
   -- If auto_approve is true, auto-approve all tools
@@ -46,6 +72,20 @@ function M.confirm(message, callback, confirm_opts, session_ctx, tool_name)
     callback(true)
     return
   end
+
+  if Config.behaviour.confirmation_ui_style == "inline_buttons" then
+    M.confirm_inline(function(option_id)
+      if option_id == "allow" or option_id == "allow_once" or option_id == "allow_always" then
+        if option_id == "allow_always" and session_ctx then session_ctx.always_yes = true end
+
+        callback(true)
+      else
+        callback(false, option_id)
+      end
+    end, confirm_opts or {})
+    return
+  end
+
   local Confirm = require("avante.ui.confirm")
   local sidebar = require("avante").get()
   if not sidebar or not sidebar.containers.input or not sidebar.containers.input.winid then
diff --git a/lua/avante/types.lua b/lua/avante/types.lua
index c03a5af..4b37c50 100644
--- a/lua/avante/types.lua
+++ b/lua/avante/types.lua
@@ -118,8 +118,6 @@ vim.g.avante_login = vim.g.avante_login
 ---@field is_calling boolean | nil
 ---@field original_content AvanteLLMMessageContent | nil
 ---@field acp_tool_call? avante.acp.ToolCall
----@field permission_options? avante.acp.PermissionOption[]
----@field is_permission_confirming? boolean
 
 ---@class AvanteLLMToolResult
 ---@field tool_name string
diff --git a/lua/avante/ui/acp_confirm_adapter.lua b/lua/avante/ui/acp_confirm_adapter.lua
new file mode 100644
index 0000000..64b2936
--- /dev/null
+++ b/lua/avante/ui/acp_confirm_adapter.lua
@@ -0,0 +1,65 @@
+local Highlights = require("avante.highlights")
+
+---@class avante.ui.ConfirmAdapter
+local M = {}
+
+---@class avante.ui.ACPConfirmAdapter.ACPMappedOptions
+---@field yes? string
+---@field all? string
+---@field no? string
+
+---Converts the ACP permission options to confirmation popup-compatible format (yes/all/no)
+---@param options avante.acp.PermissionOption[]
+---@return avante.ui.ACPConfirmAdapter.ACPMappedOptions
+function M.map_acp_options(options)
+  local option_map = { yes = nil, all = nil, no = nil }
+
+  for _, opt in ipairs(options) do
+    if opt.kind == "allow_once" then
+      option_map.yes = opt.optionId
+    elseif opt.kind == "allow_always" then
+      option_map.all = opt.optionId
+    elseif opt.kind == "reject_once" then
+      option_map.no = opt.optionId
+
+      -- elseif opt.kind == "reject_always" then
+      -- ignore, no 4th option in the confirm popup yet
+    end
+  end
+
+  return option_map
+end
+
+---@class avante.ui.ACPConfirmAdapter.ButtonOption
+---@field id string
+---@field icon string
+---@field name string
+---@field hl? string
+
+---@param options avante.acp.PermissionOption[]
+---@return avante.ui.ACPConfirmAdapter.ButtonOption[]
+function M.generate_buttons_for_acp_options(options)
+  local items = vim
+    .iter(options)
+    :map(function(item)
+      ---@cast item avante.acp.PermissionOption
+      local icon = item.kind == "allow_once" and "" or ""
+      if item.kind == "allow_always" then icon = "" end
+      local hl = nil
+      if item.kind == "reject_once" or item.kind == "reject_always" then hl = Highlights.BUTTON_DANGER_HOVER end
+      ---@type avante.ui.ACPConfirmAdapter.ButtonOption
+      local button = {
+        id = item.optionId,
+        name = item.name,
+        icon = icon,
+        hl = hl,
+      }
+      return button
+    end)
+    :totable()
+  -- Sort to have "allow" first, then "allow always", then "reject"
+  table.sort(items, function(a, b) return a.name < b.name end)
+  return items
+end
+
+return M
diff --git a/lua/avante/ui/confirm.lua b/lua/avante/ui/confirm.lua
index 143b7cf..edd45de 100644
--- a/lua/avante/ui/confirm.lua
+++ b/lua/avante/ui/confirm.lua
@@ -15,19 +15,27 @@ local Config = require("avante.config")
 ---@field _popup NuiPopup | nil
 ---@field _prev_winid number | nil
 ---@field _ns_id number | nil
+---@field _skip_reject_prompt boolean | nil
 local M = {}
 M.__index = M
 
+---@class avante.ui.ConfirmOptions
+---@field container_winid? number
+---@field focus? boolean | nil
+---@field skip_reject_prompt? boolean ACP doesn't support reject reason
+---@field permission_options? avante.acp.PermissionOption[] ACP permission options to show in the confirm popup
+
 ---@param message string
 ---@param callback fun(type: "yes" | "all" | "no", reason?: string)
----@param opts { container_winid: number, focus?: boolean }
+---@param opts avante.ui.ConfirmOptions
 ---@return avante.ui.Confirm
 function M:new(message, callback, opts)
   local this = setmetatable({}, M)
-  this.message = message
+  this.message = message or ""
   this.callback = callback
   this._container_winid = opts.container_winid or vim.api.nvim_get_current_win()
   this._focus = opts.focus
+  this._skip_reject_prompt = opts.skip_reject_prompt
   this._ns_id = vim.api.nvim_create_namespace("avante_confirm")
   return this
 end
@@ -35,12 +43,12 @@ end
 function M:open()
   if self._popup then return end
   self._prev_winid = vim.api.nvim_get_current_win()
-  local message = self.message
+  local message = self.message or ""
   local callback = self.callback
 
   local win_width = 60
 
-  local focus_index = 3 -- 1 = Yes, 2 = All Yes, 3 = No
+  local focus_index = 1 -- 1 = Yes, 2 = All Yes, 3 = No
 
   local BUTTON_NORMAL = Highlights.BUTTON_DEFAULT
   local BUTTON_FOCUS = Highlights.BUTTON_DEFAULT_HOVER
@@ -61,21 +69,26 @@ function M:open()
     { " - input ", commentfg },
     { "  " },
   })
+
   local buttons_line = Line:new({
-    { " [Y]es ", function() return focus_index == 1 and BUTTON_FOCUS or BUTTON_NORMAL end },
+    { "  [Y]es ", function() return focus_index == 1 and BUTTON_FOCUS or BUTTON_NORMAL end },
     { "   " },
-    { " [A]ll yes ", function() return focus_index == 2 and BUTTON_FOCUS or BUTTON_NORMAL end },
+    { "  [A]ll yes ", function() return focus_index == 2 and BUTTON_FOCUS or BUTTON_NORMAL end },
     { "    " },
-    { " [N]o ", function() return focus_index == 3 and BUTTON_FOCUS or BUTTON_NORMAL end },
+    { "  [N]o ", function() return focus_index == 3 and BUTTON_FOCUS or BUTTON_NORMAL end },
   })
+
   local buttons_content = tostring(buttons_line)
   local buttons_start_col = math.floor((win_width - #buttons_content) / 2)
+
   local yes_button_pos = buttons_line:get_section_pos(1, buttons_start_col)
   local all_button_pos = buttons_line:get_section_pos(3, buttons_start_col)
   local no_button_pos = buttons_line:get_section_pos(5, buttons_start_col)
+
   local buttons_line_content = string.rep(" ", buttons_start_col) .. buttons_content
   local keybindings_line_num = 5 + #vim.split(message, "\n")
   local buttons_line_num = 2 + #vim.split(message, "\n")
+
   local content = vim
     .iter({
       "",
@@ -157,12 +170,19 @@ function M:open()
       callback("yes")
       return
     end
+
     if focus_index == 2 then
       self:close()
-      Utils.notify("Accept all")
       callback("all")
       return
     end
+
+    if self._skip_reject_prompt then
+      self:close()
+      callback("no")
+      return
+    end
+
     local prompt_input = PromptInput:new({
       submit_callback = function(input)
         self:close()
diff --git a/tests/ui/acp_confirm_adapter_spec.lua b/tests/ui/acp_confirm_adapter_spec.lua
new file mode 100644
index 0000000..0fd2d0f
--- /dev/null
+++ b/tests/ui/acp_confirm_adapter_spec.lua
@@ -0,0 +1,93 @@
+local ACPConfirmAdapter = require("avante.ui.acp_confirm_adapter")
+
+describe("ACPConfirmAdapter", function()
+  describe("map_acp_options", function()
+    it("should ignore reject_always", function()
+      local options = { { kind = "reject_always", optionId = "opt4" } }
+      local result = ACPConfirmAdapter.map_acp_options(options)
+      assert.is_nil(result.yes)
+      assert.is_nil(result.all)
+      assert.is_nil(result.no)
+    end)
+
+    it("should map multiple options correctly", function()
+      local options = {
+        { kind = "allow_once", optionId = "yes_id" },
+        { kind = "allow_always", optionId = "all_id" },
+        { kind = "reject_once", optionId = "no_id" },
+        { kind = "reject_always", optionId = "ignored_id" },
+      }
+      local result = ACPConfirmAdapter.map_acp_options(options)
+      assert.equals("yes_id", result.yes)
+      assert.equals("all_id", result.all)
+      assert.equals("no_id", result.no)
+    end)
+
+    it("should handle empty options", function()
+      local options = {}
+      local result = ACPConfirmAdapter.map_acp_options(options)
+      assert.is_nil(result.yes)
+      assert.is_nil(result.all)
+      assert.is_nil(result.no)
+    end)
+  end)
+
+  describe("generate_buttons_for_acp_options", function()
+    it("should generate buttons with correct properties for each option kind", function()
+      local options = {
+        { kind = "allow_once", optionId = "opt1", name = "Allow" },
+        { kind = "allow_always", optionId = "opt2", name = "Allow always" },
+        { kind = "reject_once", optionId = "opt3", name = "Reject" },
+        { kind = "reject_always", optionId = "opt4", name = "Reject always" },
+      }
+      local result = ACPConfirmAdapter.generate_buttons_for_acp_options(options)
+      assert.equals(4, #result)
+
+      for _, button in ipairs(result) do
+        assert.is_not_nil(button.id)
+        assert.is_not_nil(button.name)
+        assert.is_not_nil(button.icon)
+        assert.is_string(button.icon)
+
+        if button.name == "Reject" or button.name == "Reject always" then
+          assert.is_not_nil(button.hl)
+        else
+          assert.is_nil(button.hl)
+        end
+      end
+    end)
+
+    it("should handle multiple options and sort by name", function()
+      local options = {
+        { kind = "reject_once", optionId = "opt3", name = "Reject" },
+        { kind = "allow_once", optionId = "opt1", name = "Allow" },
+        { kind = "allow_always", optionId = "opt2", name = "Allow always" },
+      }
+      local result = ACPConfirmAdapter.generate_buttons_for_acp_options(options)
+      assert.equals(3, #result)
+      assert.equals("Allow", result[1].name)
+      assert.equals("Allow always", result[2].name)
+      assert.equals("Reject", result[3].name)
+    end)
+
+    it("should handle empty options", function()
+      local options = {}
+      local result = ACPConfirmAdapter.generate_buttons_for_acp_options(options)
+      assert.equals(0, #result)
+    end)
+
+    it("should preserve all button properties", function()
+      local options = {
+        { kind = "allow_once", optionId = "id1", name = "Button 1" },
+        { kind = "reject_once", optionId = "id2", name = "Button 2" },
+      }
+      local result = ACPConfirmAdapter.generate_buttons_for_acp_options(options)
+      assert.equals(2, #result)
+      for _, button in ipairs(result) do
+        assert.is_not_nil(button.id)
+        assert.is_not_nil(button.name)
+        assert.is_not_nil(button.icon)
+      end
+    end)
+  end)
+end)