.tmux.conf

# Prefix: Ctrl+Space
set -g prefix C-Space
unbind C-b
bind C-Space send-prefix

# No delay after Esc, which keeps vim-style terminal workflows responsive.
set -sg escape-time 0

# Splits: d/D mirrors common terminal split bindings.
bind d split-window -h -c "#{pane_current_path}"
bind D split-window -v -c "#{pane_current_path}"
unbind %
unbind '"'

# Close pane without confirmation.
bind w kill-pane

# Detach: prefix + Escape.
bind Escape detach-client

# Windows start at 1.
set -g base-index 1
setw -g pane-base-index 1
set -g renumber-windows on

# Visual feedback when prefix is active.
set -g status-style "bg=default"
set -g status-left "#{?client_prefix,#[bg=blue] PREFIX ,} "

set -g mouse on