# =====================================================================
# 1. PRIMARY PREFIX KEY
# =====================================================================
# Change default prefix from Ctrl+b to Ctrl+Space (Ergonomic Home Row)
unbind C-b
set -g prefix C-Space
bind C-Space send-prefix

# =====================================================================
# 2. INTUITIVE PANE SPLITTING (Vim Style)
# =====================================================================
unbind '"'
unbind %
# v splits top-and-bottom
bind v split-window -v -c "#{pane_current_path}"
# b splits side-by-side
bind b split-window -h -c "#{pane_current_path}"

# =====================================================================
# 3. PANE NAVIGATION (hjkl Movement)
# =====================================================================
bind h select-pane -L  # Focus left pane
bind j select-pane -D  # Focus down pane
bind k select-pane -U  # Focus up pane
bind l select-pane -R  # Focus right pane

# =====================================================================
# 4. MOUSE SUPPORT
# =====================================================================
# Enable mouse (scrolling, clicking panes/tabs)
set -g mouse on

# =====================================================================
# 5. QUALITY OF LIFE SETTINGS
# =====================================================================
# Start window and pane numbering at 1 (more natural than 0)
set -g base-index 1
set -g pane-base-index 1

# Increase scrollback buffer (default 2000 is too low)
set -g history-limit 10000

# Eliminate Esc delay (important for Vim inside tmux)
set -sg escape-time 0

# Re-number windows sequentially when one is closed
set -g renumber-windows on

# Reload config file shortcut (Ctrl+Space then r)
bind r source-file ~/.tmux.conf \; display "Config Reloaded!"