search fallback

.gitignore

@@ -1,3 +1,4 @@
 autoload
 plugged
 .netrwhist
+bin

colors/anticuus.vim

@@ -1,6 +1,5 @@
 " anticuus.vim
-" Pitch-black minimalist theme — port of nvim anticuus + custom syntax extensions.
+" Pitch-black minimalist theme with 256-color terminal fallbacks.
-" Requires `set termguicolors`.
 
 hi clear
 if exists('syntax_on')
@@ -10,133 +9,156 @@ endif
 let g:colors_name = 'anticuus'
 set background=dark
 
+function! s:hi(group, guifg, guibg, ctermfg, ctermbg, gui, cterm)
+  let l:cmd = 'highlight ' . a:group
+  if a:guifg !=# ''
+    let l:cmd .= ' guifg=' . a:guifg
+  endif
+  if a:guibg !=# ''
+    let l:cmd .= ' guibg=' . a:guibg
+  endif
+  if a:ctermfg !=# ''
+    let l:cmd .= ' ctermfg=' . a:ctermfg
+  endif
+  if a:ctermbg !=# ''
+    let l:cmd .= ' ctermbg=' . a:ctermbg
+  endif
+  if a:gui !=# ''
+    let l:cmd .= ' gui=' . a:gui
+  endif
+  if a:cterm !=# ''
+    let l:cmd .= ' cterm=' . a:cterm
+  endif
+  execute l:cmd
+endfunction
+
 " === Base ===
-highlight Normal       guifg=#dadada guibg=#000000
+call s:hi('Normal',      '#dadada', '#000000', '253', '16',   '', '')
-highlight NormalNC     guifg=#dadada guibg=#000000
+call s:hi('NormalNC',    '#dadada', '#000000', '253', '16',   '', '')
-highlight NonText      guifg=#3a3a3a guibg=NONE
+call s:hi('NonText',     '#3a3a3a', 'NONE',    '237', 'NONE', '', '')
-highlight EndOfBuffer  guifg=#000000 guibg=NONE
+call s:hi('EndOfBuffer', '#000000', 'NONE',    '16',  'NONE', '', '')
-highlight Whitespace   guifg=#3a3a3a
+call s:hi('Whitespace',  '#3a3a3a', '',        '237', '',     '', '')
-highlight SpecialKey   guifg=#3a3a3a
+call s:hi('SpecialKey',  '#3a3a3a', '',        '237', '',     '', '')
 
 " === Syntax: comments dim italic, strings green ===
-highlight Comment        guifg=#5a5a5a gui=italic cterm=italic
+call s:hi('Comment',        '#5a5a5a', '', '240', '', 'italic', 'italic')
-highlight SpecialComment guifg=#5a5a5a gui=italic cterm=italic
+call s:hi('SpecialComment', '#5a5a5a', '', '240', '', 'italic', 'italic')
-highlight String         guifg=#00b300
+call s:hi('String',         '#00b300', '', '34',  '', '',       '')
-highlight Character      guifg=#5a5a5a gui=italic cterm=italic
+call s:hi('Character',      '#5a5a5a', '', '240', '', 'italic', 'italic')
 
 " === Literals: purple ===
-highlight Number   guifg=#c490d0
+call s:hi('Number',   '#c490d0', '', '176', '', '', '')
-highlight Float    guifg=#c490d0
+call s:hi('Float',    '#c490d0', '', '176', '', '', '')
-highlight Boolean  guifg=#c490d0
+call s:hi('Boolean',  '#c490d0', '', '176', '', '', '')
-highlight Constant guifg=#c490d0
+call s:hi('Constant', '#c490d0', '', '176', '', '', '')
 
 " === Identifiers / functions: white baseline, functions teal ===
-highlight Identifier guifg=#dadada
+call s:hi('Identifier', '#dadada', '', '253', '', '', '')
-highlight Function   guifg=#88ddcc
+call s:hi('Function',   '#88ddcc', '', '116', '', '', '')
 
 " === Statements: yellow keywords, red exception/return ===
-highlight Statement   guifg=#ffcc00
+call s:hi('Statement',   '#ffcc00', '', '220', '', '', '')
-highlight Conditional guifg=#ffcc00
+call s:hi('Conditional', '#ffcc00', '', '220', '', '', '')
-highlight Repeat      guifg=#dadada
+call s:hi('Repeat',      '#dadada', '', '253', '', '', '')
-highlight Keyword     guifg=#ffcc00
+call s:hi('Keyword',     '#ffcc00', '', '220', '', '', '')
-highlight Operator    guifg=#dadada
+call s:hi('Operator',    '#dadada', '', '253', '', '', '')
-highlight Label       guifg=#ffcc00
+call s:hi('Label',       '#ffcc00', '', '220', '', '', '')
-highlight Exception   guifg=#ff6b6b
+call s:hi('Exception',   '#ff6b6b', '', '203', '', '', '')
 
 " === PreProc family: green ===
-highlight PreProc   guifg=#00b300
+call s:hi('PreProc',   '#00b300', '', '34', '', '', '')
-highlight Include   guifg=#00b300
+call s:hi('Include',   '#00b300', '', '34', '', '', '')
-highlight Define    guifg=#00b300
+call s:hi('Define',    '#00b300', '', '34', '', '', '')
-highlight Macro     guifg=#00b300
+call s:hi('Macro',     '#00b300', '', '34', '', '', '')
-highlight PreCondit guifg=#00b300
+call s:hi('PreCondit', '#00b300', '', '34', '', '', '')
 
 " === Types: amber ===
-highlight Type         guifg=#e8a060
+call s:hi('Type',         '#e8a060', '', '215', '', '', '')
-highlight StorageClass guifg=#e8a060
+call s:hi('StorageClass', '#e8a060', '', '215', '', '', '')
-highlight Structure    guifg=#e8a060
+call s:hi('Structure',    '#e8a060', '', '215', '', '', '')
-highlight Typedef      guifg=#e8a060
+call s:hi('Typedef',      '#e8a060', '', '215', '', '', '')
 
 " === Special: green for special chars, red for tags ===
-highlight Special     guifg=#00b300
+call s:hi('Special',     '#00b300', '', '34',  '', '', '')
-highlight SpecialChar guifg=#00b300
+call s:hi('SpecialChar', '#00b300', '', '34',  '', '', '')
-highlight Tag         guifg=#ff6b6b
+call s:hi('Tag',         '#ff6b6b', '', '203', '', '', '')
-highlight Delimiter   guifg=#dadada
+call s:hi('Delimiter',   '#dadada', '', '253', '', '', '')
 
 " === Errors / Todo ===
-highlight Error guifg=#ff6b6b
+call s:hi('Error', '#ff6b6b', '', '203', '', '',     '')
-highlight Todo  guifg=#ffcc00 gui=bold cterm=bold
+call s:hi('Todo',  '#ffcc00', '', '220', '', 'bold', 'bold')
 
 " === Line numbers / cursor / columns ===
-highlight LineNr        guifg=#dadada guibg=NONE
+call s:hi('LineNr',       '#dadada', 'NONE',    '253', 'NONE', '',     '')
-highlight CursorLineNr  guifg=#dadada guibg=#282828 gui=bold cterm=bold
+call s:hi('CursorLineNr', '#dadada', '#282828', '253', '235',  'bold', 'bold')
-highlight CursorLine    guibg=#121212
+call s:hi('CursorLine',   '',        '#121212', '',    '233',  'NONE', 'NONE')
-highlight CursorColumn  guibg=#121212
+call s:hi('CursorColumn', '',        '#121212', '',    '233',  '',     '')
-highlight ColorColumn   guibg=#1a1a1a
+call s:hi('ColorColumn',  '',        '#1a1a1a', '',    '234',  '',     '')
-highlight SignColumn    guifg=#00b300 guibg=#000000
+call s:hi('SignColumn',   '#00b300', '#000000', '34',  '16',   '',     '')
 
 " === Splits / status / winbar ===
-highlight VertSplit    guifg=#3a3a3a guibg=NONE
+call s:hi('VertSplit',    '#3a3a3a', 'NONE',    '237', 'NONE', '',     '')
-highlight WinSeparator guifg=#3a3a3a guibg=NONE
+call s:hi('WinSeparator', '#3a3a3a', 'NONE',    '237', 'NONE', '',     '')
-highlight StatusLine   guifg=#dadada guibg=#000000
+call s:hi('StatusLine',   '#dadada', '#000000', '253', '16',   '',     '')
-highlight StatusLineNC guifg=#dadada guibg=#000000
+call s:hi('StatusLineNC', '#dadada', '#000000', '253', '16',   '',     '')
-highlight WinBar       guifg=#dadada gui=bold cterm=bold
+call s:hi('WinBar',       '#dadada', '',        '253', '',     'bold', 'bold')
-highlight WinBarNC     guifg=#888888
+call s:hi('WinBarNC',     '#888888', '',        '245', '',     '',     '')
 
 " === Visual / search ===
-highlight Visual    guibg=#3a3a3a
+call s:hi('Visual',    '',        '#3a3a3a', '',   '237', '', '')
-highlight VisualNOS guibg=#3a3a3a
+call s:hi('VisualNOS', '',        '#3a3a3a', '',   '237', '', '')
-highlight Search    guifg=#000000 guibg=#ffcc00
+call s:hi('Search',    '#000000', '#ffcc00', '16', '220', '', '')
-highlight IncSearch guifg=#000000 guibg=#88ddcc
+call s:hi('IncSearch', '#000000', '#88ddcc', '16', '116', '', '')
-highlight CurSearch guifg=#000000 guibg=#c490d0
+call s:hi('CurSearch', '#000000', '#c490d0', '16', '176', '', '')
 
 " === Brackets ===
-highlight MatchParen guifg=#c490d0 gui=bold,underline cterm=bold,underline
+call s:hi('MatchParen', '#c490d0', '', '176', '', 'bold,underline', 'bold,underline')
 
 " === Popup menu (completion / fzf overlay) ===
-highlight Pmenu      guifg=#dadada guibg=#181818
+call s:hi('Pmenu',      '#dadada', '#181818', '253', '234', '', '')
-highlight PmenuSel   guifg=#000000 guibg=#ffcc00
+call s:hi('PmenuSel',   '#000000', '#ffcc00', '16',  '220', '', '')
-highlight PmenuSbar  guibg=#181818
+call s:hi('PmenuSbar',  '',        '#181818', '',    '234', '', '')
-highlight PmenuThumb guibg=#3a3a3a
+call s:hi('PmenuThumb', '',        '#3a3a3a', '',    '237', '', '')
 
 " === Folds / titles / directories ===
-highlight Folded     guifg=#888888 gui=italic cterm=italic
+call s:hi('Folded',     '#888888', '',     '245', '',     'italic', 'italic')
-highlight FoldColumn guifg=#888888 guibg=NONE
+call s:hi('FoldColumn', '#888888', 'NONE', '245', 'NONE', '',       '')
-highlight Title      guifg=#88ddcc gui=bold cterm=bold
+call s:hi('Title',      '#88ddcc', '',     '116', '',     'bold',   'bold')
-highlight Directory  guifg=#88ddcc
+call s:hi('Directory',  '#88ddcc', '',     '116', '',     '',       '')
 
 " === Diff ===
-highlight DiffAdd    guifg=#a5d6a7 guibg=#0a2010
+call s:hi('DiffAdd',    '#a5d6a7', '#0a2010', '151', '22', '','')
-highlight DiffChange guifg=#e8a060 guibg=#201a0a
+call s:hi('DiffChange', '#e8a060', '#201a0a', '215', '58', '','')
-highlight DiffDelete guifg=#ff6b6b guibg=#200a0a
+call s:hi('DiffDelete', '#ff6b6b', '#200a0a', '203', '52', '','')
-highlight DiffText   guifg=#ffcc00 guibg=#3a2000 gui=bold cterm=bold
+call s:hi('DiffText',   '#ffcc00', '#3a2000', '220', '94', 'bold', 'bold')
 
 " === Spell ===
 highlight SpellBad   guisp=#ff6b6b gui=undercurl cterm=underline
 highlight SpellCap   guisp=#ffcc00 gui=undercurl cterm=underline
 highlight SpellRare  guisp=#c490d0 gui=undercurl cterm=underline
-highlight SpellLocal guisp=#88ddcc gui=undercurl cterm=undercurl
+highlight SpellLocal guisp=#88ddcc gui=undercurl cterm=underline
 
 " === Markdown (vim's built-in syntax) ===
-highlight markdownH1               guifg=#00b300 gui=bold cterm=bold
+call s:hi('markdownH1',               '#00b300', '', '34',  '', 'bold',      'bold')
-highlight markdownH2               guifg=#00b300 gui=bold cterm=bold
+call s:hi('markdownH2',               '#00b300', '', '34',  '', 'bold',      'bold')
-highlight markdownH3               guifg=#00b300 gui=bold cterm=bold
+call s:hi('markdownH3',               '#00b300', '', '34',  '', 'bold',      'bold')
-highlight markdownH4               guifg=#00b300 gui=bold cterm=bold
+call s:hi('markdownH4',               '#00b300', '', '34',  '', 'bold',      'bold')
-highlight markdownH5               guifg=#00b300 gui=bold cterm=bold
+call s:hi('markdownH5',               '#00b300', '', '34',  '', 'bold',      'bold')
-highlight markdownH6               guifg=#00b300 gui=bold cterm=bold
+call s:hi('markdownH6',               '#00b300', '', '34',  '', 'bold',      'bold')
-highlight markdownHeadingDelimiter guifg=#00b300 gui=bold cterm=bold
+call s:hi('markdownHeadingDelimiter', '#00b300', '', '34',  '', 'bold',      'bold')
-highlight markdownLinkText         guifg=#88ddcc gui=underline cterm=underline
+call s:hi('markdownLinkText',         '#88ddcc', '', '116', '', 'underline', 'underline')
-highlight markdownUrl              guifg=#5a5a5a gui=italic cterm=italic
+call s:hi('markdownUrl',              '#5a5a5a', '', '240', '', 'italic',    'italic')
-highlight markdownCode             guifg=#e8a060
+call s:hi('markdownCode',             '#e8a060', '', '215', '', '',          '')
-highlight markdownCodeBlock        guifg=#e8a060
+call s:hi('markdownCodeBlock',        '#e8a060', '', '215', '', '',          '')
 
 " === Diagnostic groups (for plugins like ALE/CoC) ===
-highlight DiagnosticError guifg=#ff6b6b
+call s:hi('DiagnosticError', '#ff6b6b', '', '203', '', '', '')
-highlight DiagnosticWarn  guifg=#ffcc00
+call s:hi('DiagnosticWarn',  '#ffcc00', '', '220', '', '', '')
-highlight DiagnosticInfo  guifg=#00b300
+call s:hi('DiagnosticInfo',  '#00b300', '', '34',  '', '', '')
-highlight DiagnosticHint  guifg=#dadada
+call s:hi('DiagnosticHint',  '#dadada', '', '253', '', '', '')
 highlight link ALEErrorSign   DiagnosticError
 highlight link ALEWarningSign DiagnosticWarn
 highlight link ALEInfoSign    DiagnosticInfo
 
 " === vim-highlightedyank ===
-highlight HighlightedyankRegion guifg=#000000 guibg=#ffcc00
+call s:hi('HighlightedyankRegion', '#000000', '#ffcc00', '16', '220', '', '')

vimrc

@@ -1,24 +1,42 @@
-let data_dir = has('nvim') ? stdpath('data') . '/site' : '~/.vim'
+let data_dir = '~/.vim'
+if executable(expand('~/.vim/bin/rg'))
+  let $PATH = expand('~/.vim/bin') . ':' . $PATH
+endif
+
 if empty(glob(data_dir . '/autoload/plug.vim'))
   silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
 endif
 
-autocmd VimEnter * if len(filter(values(g:plugs), '!isdirectory(v:val.dir)'))
+augroup vimrc_plug_install
+  autocmd!
+  autocmd VimEnter * if exists('g:plugs') && len(filter(values(g:plugs), '!isdirectory(v:val.dir)'))
     \| PlugInstall --sync | source $MYVIMRC
     \| endif
+augroup END
 
 call plug#begin('~/.vim/plugged')
   Plug 'tpope/vim-surround'
   Plug 'jiangmiao/auto-pairs'
-  Plug 'junegunn/fzf', { 'do': { -> fzf#install()  }  }
+  Plug 'junegunn/fzf', { 'do': './install --all' }
+  if v:version < 800
+    Plug 'junegunn/fzf.vim', { 'commit': '5ab282c2f4a597fa655f39f36e7ee8e97bf51650' }
+  else
     Plug 'junegunn/fzf.vim'
+  endif
   Plug 'mtdl9/vim-log-highlighting'
-  Plug 'machakann/vim-highlightedyank'
   Plug 'osyo-manga/vim-anzu'
+  if v:version < 800 && has('timers')
+    Plug 'machakann/vim-highlightedyank', { 'commit': '03fe057c5836a3f3897a943dc96bdfe3f087890e' }
+  elseif v:version >= 800
+    Plug 'machakann/vim-highlightedyank'
+  endif
 call plug#end()
 
 let mapleader = "\<Space>"
 set background=dark
+if !has('gui_running') && &t_Co < 256
+  set t_Co=256
+endif
 if has('termguicolors')
   set termguicolors
 endif
@@ -26,8 +44,8 @@ silent! colorscheme anticuus
 
 highlight Normal  ctermbg=NONE guibg=NONE ctermfg=White guifg=#FFFFFF
 highlight NonText ctermbg=NONE guibg=NONE
-highlight CursorLine ctermbg=NONE guibg=NONE
+highlight CursorLine term=NONE cterm=NONE gui=NONE ctermbg=NONE guibg=NONE
-highlight CursorLineNr ctermfg=Yellow guifg=#E5C07B ctermbg=NONE guibg=NONE cterm=bold gui=bold
+highlight CursorLineNr term=bold ctermfg=Yellow guifg=#E5C07B ctermbg=NONE guibg=NONE cterm=bold gui=bold
 highlight HighlightedyankRegion ctermfg=Black guifg=#000000 ctermbg=Yellow guibg=yellow
 highlight NormalNC ctermbg=NONE guibg=NONE
 highlight Search ctermfg=Black guifg=#000000 ctermbg=Yellow guibg=#FFCC66
@@ -35,6 +53,11 @@ highlight LineNr ctermbg=NONE guibg=NONE
 highlight Visual ctermbg=Gray guibg=Gray ctermfg=Black guifg=Black
 
 let g:highlightedyank_highlight_duration = 140
+if v:version < 800 && has('timers')
+  nmap y <Plug>(highlightedyank)
+  xmap y <Plug>(highlightedyank)
+  omap y <Plug>(highlightedyank)
+endif
 
 let $FZF_DEFAULT_OPTS = '--bind=tab:up,shift-tab:down'
 let g:fzf_layout = { 'window': 'enew' }
@@ -46,10 +69,21 @@ let g:netrw_liststyle = 3
 let g:netrw_browse_split = 4
 let g:netrw_altv = 1
 
-autocmd FileType netrw nnoremap <buffer> <C-l> :wincmd l<CR>
+augroup vimrc_netrw
-autocmd FileType netrw nnoremap <buffer> <C-h> :wincmd h<CR>
+  autocmd!
-autocmd FileType netrw nnoremap <buffer> <C-j> :wincmd j<CR>
+  autocmd FileType,BufEnter,BufWinEnter * call HideNetrwBuffer()
-autocmd FileType netrw nnoremap <buffer> <C-k> :wincmd k<CR>
+  autocmd FileType netrw nnoremap <buffer> <C-l> :wincmd l<CR>
+  autocmd FileType netrw nnoremap <buffer> <C-h> :wincmd h<CR>
+  autocmd FileType netrw nnoremap <buffer> <C-j> :wincmd j<CR>
+  autocmd FileType netrw nnoremap <buffer> <C-k> :wincmd k<CR>
+augroup END
+
+augroup vimrc_quickfix
+  autocmd!
+  autocmd FileType qf nnoremap <buffer> <Tab> j
+  autocmd FileType qf nnoremap <buffer> <S-Tab> k
+  autocmd FileType qf nnoremap <buffer> <CR> <CR>:cclose<CR>
+augroup END
 
 set laststatus=2
 
@@ -65,8 +99,12 @@ set smartcase
 set clipboard=unnamedplus
 set noswapfile
 set nobackup
-set undofile
+if exists('&undofile')
-set undodir=~/.vim/undodir
+  set undofile
+  if exists('&undodir')
+    set undodir=~/.vim/undodir
+  endif
+endif
 
 set hidden
 
@@ -75,7 +113,9 @@ set shiftwidth=2
 set softtabstop=2
 set expandtab
 set smartindent
-set fillchars=eob:\ 
+if v:version >= 800
+  set fillchars=eob:\ 
+endif
 
 set statusline=%{exists('*anzu#search_status')?anzu#search_status():''}
 
@@ -89,35 +129,63 @@ function! NetrwToggle()
     endif
   endfor
   let g:netrw_return_win = winnr()
+  if exists(':Lexplore') == 2
     Lexplore
+  else
+    execute 'topleft vertical ' . g:netrw_winsize . 'new'
+    Explore
+  endif
 endfunction
 
 function! SafeWincmd(dir)
-  let target = winnr(a:dir)
+  let l:current = winnr()
-  if target == winnr()
-    return
-  endif
-  if getbufvar(winbufnr(target), '&filetype') ==# 'netrw'
-    return
-  endif
   execute 'wincmd ' . a:dir
+  if winnr() == l:current
+    return
+  endif
+  if &filetype ==# 'netrw'
+    execute l:current . 'wincmd w'
+  endif
 endfunction
 
 function! GitRoot()
-  let l:root = systemlist('git rev-parse --show-toplevel')
+  let l:root = substitute(system('git rev-parse --show-toplevel'), '\n\+$', '', '')
-  if v:shell_error == 0 && !empty(l:root) && !empty(l:root[0])
+  if v:shell_error == 0 && !empty(l:root)
-    return l:root[0]
+    return l:root
   endif
   return getcwd()
 endfunction
 
+function! FzfRg()
+  if exists(':Rg') != 2 && exists(':grep') != 2
+    echohl WarningMsg | echom 'No project search command is available' | echohl None
+    return
+  endif
+  execute 'lcd ' . fnameescape(GitRoot())
+  if executable('rg') && exists(':Rg') == 2
+    Rg
+  else
+    let l:query = input('Search: ')
+    if empty(l:query)
+      return
+    endif
+    let l:results = system('grep -RIn -e ' . shellescape(l:query) . ' . 2>/dev/null')
+    if empty(l:results)
+      echohl WarningMsg | echom 'No matches found' | echohl None
+      return
+    endif
+    cgetexpr split(l:results, "\n")
+    copen
+  endif
+endfunction
+
 function! SafeBdelete()
   if &filetype ==# 'netrw'
     echohl WarningMsg | echom 'Cannot delete buffer from netrw' | echohl None
     return
   endif
 
-  let l:buflisted = getbufinfo({'buflisted': 1})
+  let l:buflisted = filter(range(1, bufnr('$')), 'buflisted(v:val)')
   if len(l:buflisted) <= 1
     echohl WarningMsg | echom 'Cannot delete last buffer' | echohl None
     return
@@ -128,6 +196,46 @@ function! SafeBdelete()
   execute 'bdelete ' . l:buf
 endfunction
 
+function! IsNetrwBuffer(buf)
+  let l:name = bufname(a:buf)
+  return getbufvar(a:buf, '&filetype') =~# '^netrw'
+    \ || fnamemodify(l:name, ':t') ==# 'NetrwTreeListing'
+    \ || (!empty(l:name) && isdirectory(l:name))
+endfunction
+
+function! HideNetrwBuffer()
+  if IsNetrwBuffer(bufnr('%'))
+    setlocal nobuflisted
+  endif
+endfunction
+
+function! ListedFileBuffers()
+  return filter(range(1, bufnr('$')), 'buflisted(v:val) && !IsNetrwBuffer(v:val)')
+endfunction
+
+function! SafeBnext(dir)
+  let l:buffers = ListedFileBuffers()
+  if empty(l:buffers)
+    return
+  endif
+
+  let l:current = bufnr('%')
+  let l:index = index(l:buffers, l:current)
+  if l:index < 0
+    let l:index = 0
+  elseif a:dir > 0
+    let l:index = (l:index + 1) % len(l:buffers)
+  else
+    let l:index = (l:index - 1 + len(l:buffers)) % len(l:buffers)
+  endif
+
+  execute 'buffer ' . l:buffers[l:index]
+endfunction
+
+if exists(':Buffers') == 2
+  command! -bar -bang -nargs=? -complete=buffer Buffers call fzf#vim#buffers(<q-args>, ListedFileBuffers(), fzf#vim#with_preview({ 'placeholder': '{1}' }), <bang>0)
+endif
+
 " --- Plugin management ---
 nnoremap <leader>pu :PlugUpdate<CR>
 nnoremap <leader>pd :PlugUpgrade<CR>
@@ -150,13 +258,14 @@ vnoremap > >gv
 nnoremap <C-U> <C-U>zz
 nnoremap <C-D> <C-D>zz
 
-" --- Window navigation (matches nvim <C-h/j/k/l>, skips netrw) ---
+" --- Window navigation (skips netrw) ---
-nnoremap <C-h> :call SafeWincmd('h')<CR>
+nnoremap <silent> <C-h> :call SafeWincmd('h')<CR>
-nnoremap <C-j> :call SafeWincmd('j')<CR>
+nnoremap <silent> <BS> :call SafeWincmd('h')<CR>
-nnoremap <C-k> :call SafeWincmd('k')<CR>
+nnoremap <silent> <C-j> :call SafeWincmd('j')<CR>
-nnoremap <C-l> :call SafeWincmd('l')<CR>
+nnoremap <silent> <C-k> :call SafeWincmd('k')<CR>
+nnoremap <silent> <C-l> :call SafeWincmd('l')<CR>
 
-" --- Window resize (matches nvim <C-Arrow>) ---
+" --- Window resize ---
 nnoremap <C-Right> :vertical resize +10<CR>
 nnoremap <C-Left> :vertical resize -10<CR>
 nnoremap <C-Up> :resize +10<CR>
@@ -172,7 +281,7 @@ nnoremap <leader>wW :wincmd W<CR>
 
 " --- File explorer & search ---
 nnoremap <leader>e :call NetrwToggle()<CR>
-nnoremap <leader>/ :execute 'lcd ' . fnameescape(GitRoot()) <Bar> Rg<Space>
+nnoremap <leader>/ :call FzfRg()<CR>
 nnoremap <leader>ff :execute 'lcd ' . fnameescape(GitRoot()) <Bar> Files<CR>
 nnoremap <leader>fp :History<CR>
 nnoremap <leader>fb :Buffers<CR>
@@ -180,11 +289,13 @@ nnoremap <leader>? :History:<CR>
 
 " --- Buffers ---
 nnoremap <leader>bd :call SafeBdelete()<CR>
-nnoremap H :bprevious<CR>
+nnoremap H :call SafeBnext(-1)<CR>
-nnoremap L :bnext<CR>
+nnoremap L :call SafeBnext(1)<CR>
 
 " --- Terminal ---
-nnoremap <leader>t :below terminal ++rows=10<CR>
+if exists(':terminal') == 2
+  nnoremap <leader>t :below terminal ++rows=10<CR>
+endif
 
 " --- Misc ---
 nnoremap <Leader>ts :execute "normal! a" . strftime('[%b %d %H:%M:%S - BR]')<CR>