" Open a new buffer in a vertical split with <Space> + v
nnoremap <Space>v :vnew<CR>


" Open a new buffer in a horizontal split with <Space> + h
nnoremap <Space>- :new<CR>

" Map <Space> + n to clear search highlights
nnoremap <Space>n :nohlsearch<CR>


" --- Line Numbers ---
set number            " show absolute line number on cursor line
set relativenumber    " show relative line numbers elsewhere

" --- Color Scheme ---
colorscheme darkblue  " built-in Vim colorscheme

" --- Show $ at end of each line ---
set list              " enable showing invisible characters
set listchars=eol:$   " show '$' at end of each line

" --- Highlight Current Line ---
set cursorline                       " enable highlight
highlight CursorLine cterm=underline " underline in terminal Vim

" Light blue background for the current line
highlight CursorLine cterm=none ctermbg=lightblue guibg=LightBlue


" blue background (cterm color 19) OR 90 Purple looks GREAT
highlight CursorLine cterm=underline ctermbg=90 ctermfg=226 gui=underline guibg=#add8e6 guifg=#ffff00



" *******
" Ensure cursor line highlight overrides colorscheme
autocmd ColorScheme * highlight CursorLine cterm=none ctermbg=90 guibg=#00005f
autocmd ColorScheme * highlight CursorLine cterm=underline ctermfg=226 gui=underline guifg=#ffff00




" better Searching options
set ignorecase      " case-insensitive search…
set smartcase       " …unless search contains uppercase
set incsearch       " show matches as you type
set hlsearch        " highlight all matches


" Highlight trailing whitespace
highlight ExtraWhitespace ctermbg=darkred guibg=#5f0000

" Use autocmd to apply the match for trailing whitespace
autocmd BufRead,BufWrite * match ExtraWhitespace /\s\+$/

" Ensure highlight is set after colorscheme is loaded
autocmd ColorScheme * highlight ExtraWhitespace ctermbg=darkred guibg=#5f0000

" Keep a visual column guide
set colorcolumn=100
highlight ColorColumn ctermbg=90 guibg=#2c2c2c
" This line is needed to OVERRIDE the plugins that mess with the colours.
autocmd ColorScheme * highlight ColorColumn ctermbg=235 guibg=#2e2e2e

" Show matching brackets
set showmatch

" VIM Status Bar
set laststatus=2
set ruler
set showcmd

" Custom status line
set statusline=%f\ %m\ %y\ %r\ %{&fileencoding}\ [%l,%c/%L]\ [%p%%]


" Better sane window splitting positions.
set splitbelow
set splitright


" --- Set leader key to Space ---
let mapleader=" "

" --- Custom split mappings ---
" <leader> + s + v => vertical split
nnoremap <leader>sv :vsplit<CR>

" <leader> + s + h => horizontal split
nnoremap <leader>sh :split<CR>

" --- Split navigation mappings ---
" Move to left/right/up/down split using <leader> + h/j/k/l
nnoremap <leader>h <C-w>h
nnoremap <leader>j <C-w>j
nnoremap <leader>k <C-w>k
nnoremap <leader>l <C-w>l


" ZOOM windows splits
" leader + and leader - to zoom in and out
noremap <space>+ <c-w>_ \| <c-w>\|
noremap <space>- <c-w>=