setw -g mode-keys vi
set -g status-keys vi
set -g default-terminal "xterm-256color"

# remap prefix from 'C-b' to 'C-a'
unbind C-b
set-option -g prefix C-a
bind-key C-a send-prefix

# don't rename windows automatically
set-option -g allow-rename off

# add mouse scrolling
set -g mouse on

# smart pane switching with awareness of vim splits
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R