diff --git a/lua/paper-tonic-modern/colors.lua b/lua/paper-tonic-modern/colors.lua
index 546180b..4bb99e5 100644
--- a/lua/paper-tonic-modern/colors.lua
+++ b/lua/paper-tonic-modern/colors.lua
@@ -92,26 +92,33 @@ M.qf_info = {'#5f8faf', 196, 'white'}     -- Info (muted blue)
 M.qf_hint = {'#5fafaf', 196, 'white'}     -- Hint (lighter muted blue)
 
 -- ============================================================================
--- Alert/Diagnostic Colors (Fluorescent/Neon - intentionally jarring)
+-- Diagnostic/Alert Colors (Fluorescent/Neon - intentionally jarring)
 -- ============================================================================
 
 -- These colors are designed to be NOTICED, not blend in with code
 -- Fluorescent/neon aesthetic similar to bg_hl_special_alt colors
 -- Think "highlighter marker" - bright, synthetic, stands out on white paper
+-- Used for: LSP diagnostics, spelling errors, UI alerts, error messages, etc.
 
--- LSP Diagnostics - Fluorescent colors for maximum visibility
+-- Diagnostic foreground - Fluorescent colors for maximum visibility
 M.diag_error = {'#ff0066', 197, 'red'}        -- Hot pink-red (screams "error!")
 M.diag_warn = {'#ff6600', 202, 'red'}         -- Fluorescent orange (warnings)
 M.diag_info = {'#00ccff', 45, 'cyan'}         -- Bright fluorescent cyan (info - more prominent)
 M.diag_hint = {'#66e0ff', 81, 'cyan'}         -- Softer fluorescent cyan (hint - less prominent)
 M.diag_hint_dark = {'#0099cc', 38, 'cyan'}    -- Darker cyan for UI elements (readable on white)
 
--- LSP Diagnostic backgrounds - Light tinted versions for highlighting code
+-- Additional severity level for lighter warnings (spelling, etc.)
+M.diag_weak = {'#ff9933', 208, 'yellow'}      -- Lighter orange (for SpellLocal, SpellRare, etc.)
+
+-- Diagnostic backgrounds - Light tinted versions for highlighting code
 M.bg_diag_error = {'#ffe6f0', 224, 'white'}   -- Very light pink (for error backgrounds)
 M.bg_diag_warn = {'#fff0e6', 223, 'white'}    -- Very light orange (for warning backgrounds)
 M.bg_diag_info = {'#e6f9ff', 195, 'white'}    -- Very light cyan (for info backgrounds)
 M.bg_diag_hint = {'#f0fcff', 195, 'white'}    -- Very light cyan (for hint backgrounds)
 
+-- Question/prompt color - Fluorescent cyan for prompts
+M.question = {'#00ccff', 45, 'cyan'}          -- Bright cyan for questions/prompts (same as diag_info)
+
 -- ============================================================================
 -- Primary Accent Colors (brownish-red tones)
 -- ============================================================================
diff --git a/lua/paper-tonic-modern/groups/editor.lua b/lua/paper-tonic-modern/groups/editor.lua
index 5c33094..0555ff5 100644
--- a/lua/paper-tonic-modern/groups/editor.lua
+++ b/lua/paper-tonic-modern/groups/editor.lua
@@ -94,17 +94,20 @@ return {
   -- Spelling
   -- ============================================================================
   
-  SpellBad = { fg = c.alert_strong, bg = c.bg_error_weak },
-  SpellCap = { fg = c.alert, bg = c.bg_error_weak },
-  SpellLocal = { fg = c.alert_weak, bg = c.bg_error_weak },
-  SpellRare = { fg = c.alert_weak, bg = c.bg_error_weak },
+  -- Spelling errors: normal text color with bright colored underline
+  -- sp (special) sets the underline color, separate from text foreground
+  -- Both underline and undercurl for terminal compatibility
+  SpellBad = { sp = c.diag_error, underline = true, undercurl = true },     -- Serious error: hot pink-red underline
+  SpellCap = { sp = c.diag_warn, underline = true, undercurl = true },      -- Capitalization: orange underline
+  SpellLocal = { sp = c.diag_weak, underline = true, undercurl = true },    -- Wrong region: lighter orange underline
+  SpellRare = { sp = c.diag_weak, underline = true, undercurl = true },     -- Rare word: lighter orange underline
   
   -- ============================================================================
   -- Messages & Prompts
   -- ============================================================================
   
-  ErrorMsg = { fg = c.alert, bold = true },
-  WarningMsg = { fg = c.alert, bold = true },
+  ErrorMsg = { fg = c.diag_error, bold = true },
+  WarningMsg = { fg = c.diag_warn, bold = true },
   Question = { fg = c.question, bold = true },
   ModeMsg = { fg = c.question },
   MoreMsg = { fg = c.question },
diff --git a/lua/paper-tonic-modern/groups/plugins.lua b/lua/paper-tonic-modern/groups/plugins.lua
index fd847fe..5cacba6 100644
--- a/lua/paper-tonic-modern/groups/plugins.lua
+++ b/lua/paper-tonic-modern/groups/plugins.lua
@@ -88,7 +88,7 @@ return {
   CmpItemKindText = { fg = c.fg },
   CmpItemKindFile = { fg = c.fg },
   CmpItemKindFolder = { fg = c.fg_strong },
-  CmpItemKindColor = { fg = c.alert },
+  CmpItemKindColor = { fg = c.diag_warn },
   CmpItemKindUnit = { fg = c.fg_weak },
   CmpItemKindValue = { fg = c.fg_strong },
   CmpItemKindConstant = { fg = c.fg_strong },
@@ -109,7 +109,7 @@ return {
   OilSize = { fg = c.fg_weak },
   OilPermissionNone = { fg = c.fg_weaker },
   OilPermissionRead = { fg = c.success },
-  OilPermissionWrite = { fg = c.alert },
+  OilPermissionWrite = { fg = c.diag_warn },
   OilPermissionExecute = { fg = c.modified },
   OilCopy = { fg = c.success, bold = true },
   OilMove = { fg = c.modified, bold = true },
@@ -117,7 +117,7 @@ return {
   OilDelete = { fg = c.fail, bold = true },
   OilChange = { fg = c.modified, bold = true },
   OilRestore = { fg = c.success },
-  OilPurge = { fg = c.alert_strong, bold = true },
+  OilPurge = { fg = c.diag_error, bold = true },
   OilTrash = { fg = c.fail },
   OilTrashSourcePath = { fg = c.fg_weak, italic = true },
   
diff --git a/lua/paper-tonic-modern/groups/syntax.lua b/lua/paper-tonic-modern/groups/syntax.lua
index b216386..0e6334a 100644
--- a/lua/paper-tonic-modern/groups/syntax.lua
+++ b/lua/paper-tonic-modern/groups/syntax.lua
@@ -76,8 +76,8 @@ return {
   
   Underlined = { underline = true },
   Ignore = { fg = c.fg_weak },
-  Error = { fg = c.alert_strong, bold = true },
-  Todo = { fg = c.alert_strong },
+  Error = { fg = c.diag_error, bold = true },
+  Todo = { fg = c.diag_error },
   
   -- ============================================================================
   -- Language-Specific: CSS
diff --git a/lua/paper-tonic-modern/groups/treesitter.lua b/lua/paper-tonic-modern/groups/treesitter.lua
index 9396ed7..1819327 100644
--- a/lua/paper-tonic-modern/groups/treesitter.lua
+++ b/lua/paper-tonic-modern/groups/treesitter.lua
@@ -101,10 +101,10 @@ return {
   
   ['@comment'] = { fg = c.fg_weaker, italic = true, bold = true },
   ['@comment.documentation'] = { fg = c.fg_weak, italic = true },
-  ['@comment.error'] = { fg = c.alert_strong, bold = true },
-  ['@comment.warning'] = { fg = c.alert, bold = true },
-  ['@comment.todo'] = { fg = c.alert_strong },
-  ['@comment.note'] = { fg = c.alert_weak },
+  ['@comment.error'] = { fg = c.diag_error, bold = true },
+  ['@comment.warning'] = { fg = c.diag_warn, bold = true },
+  ['@comment.todo'] = { fg = c.diag_error },
+  ['@comment.note'] = { fg = c.diag_weak },
   
   -- ============================================================================
   -- Markup (Markdown, etc.)
diff --git a/lua/settings.lua b/lua/settings.lua
index 4d6af08..697dd78 100644
--- a/lua/settings.lua
+++ b/lua/settings.lua
@@ -48,6 +48,7 @@ vim.opt.pumblend = 0 -- No transparency
 
 -- Spelling
 vim.opt.spelllang = { "en_gb" }
+vim.opt.spelloptions = { "camel,noplainbuffer" }
 
 -- Search behavior
 vim.opt.ignorecase = true -- Case-insensitive search by default
diff --git a/spell/en.utf-8.add b/spell/en.utf-8.add
index e0c3f1a..c779ae2 100644
--- a/spell/en.utf-8.add
+++ b/spell/en.utf-8.add
@@ -775,3 +775,6 @@ Hostinger's
 hPanel
 reauthoring
 dropdowns
+contenteditable
+#uer/!
+suer/!
diff --git a/spell/en.utf-8.add.spl b/spell/en.utf-8.add.spl
index 73205d8..5382f71 100644
Binary files a/spell/en.utf-8.add.spl and b/spell/en.utf-8.add.spl differ