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

# True color
set -g default-terminal "tmux-256color"
set -s terminal-overrides "xterm-256color:RGB"
set -as terminal-overrides ',*:Smulx=\E[4::%p1%dm'
set -as terminal-overrides ',*:Setulc=\E[58::2::%p1%{65536}%/%d::%p1%{256}%/%{255}%&%d::%p1%{255}%&%d%;m'

# Shell
set -g default-shell "$SHELL"

# Windows and panes start at 1
set -g base-index 1
setw -g pane-base-index 1
set -g renumber-windows on
set -g history-limit 100000
set -sg escape-time 10
set -g focus-events on
set -g display-time 4000
set -g allow-passthrough on

# Mouse
set -g mouse on
set -g set-clipboard on
bind -T root MouseDown1StatusRight lock-session

# Copy mode — OSC52 via set-clipboard handles system clipboard automatically
setw -g mode-keys vi
bind -T copy-mode-vi v send -X begin-selection
bind -T copy-mode-vi y send -X copy-selection-and-cancel
bind -T copy-mode-vi MouseDown1Pane send -X clear-selection
bind -T copy-mode-vi MouseDragEnd1Pane send -X copy-selection-and-cancel

# Splits
bind | split-window -h -c "#{pane_current_path}"
bind - split-window -v -c "#{pane_current_path}"
unbind '"'
unbind %

bind c new-window -c "#{pane_current_path}"

# Pane navigation
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Pane resize
bind -r C-h resize-pane -L 5
bind -r C-j resize-pane -D 5
bind -r C-k resize-pane -U 5
bind -r C-l resize-pane -R 5

# Quick switch to last window
bind a last-window

# Reload
bind r source-file ~/.tmux.conf \; display "Config reloaded"

# Screensaver
bind S lock-session

# Status bar
set -g status-position bottom
set -g status-interval 1
set -g status-style "fg=#7290B8,bg=default"
set -g status-left "#{?client_prefix,#[fg=colour208]● ,#[fg=#3C3C3C]● }"
set -g status-right "#{?#{e|>=|:#{client_width},120},#(~/.tmux/network.sh) #[fg=#3C3C3C] #(~/.tmux/battery.sh) #[fg=#3C3C3C] ,}#{?#{e|>=|:#{client_width},80},#[fg=#808080]%a %d %b ,}#(~/.tmux/heartbeat.sh)#[bg=#1A1A1A] %H:%M #[default]"
set -g status-right-length 80
set -g window-status-format "#{?window_last_flag, #[fg=#1A7A64]#I#[fg=default] #W , #I #W }"
set -g window-status-current-format " #[fg=#085040]#I#[fg=#0A0A0A] #W "
set -g window-status-separator " "
set -g window-status-style "fg=#808080,bg=#1A1A1A"
set -g window-status-current-style "fg=#0A0A0A,bg=#2CB494,bold"
set -g window-status-bell-style "fg=colour234,bg=colour208,bold"
set -g monitor-bell on
set -g visual-bell off
set -g pane-border-style "fg=#3C3C3C"
set -g pane-active-border-style "fg=#2CB494"
set -g message-style "fg=#2CB494,bg=default"
set -g message-command-style "fg=#F88C14,bg=default"
set -g mode-style "fg=colour255,bg=colour30,bold"
set -g display-panes-colour "#808080"
set -g display-panes-active-colour "#2CB494"

# Clock
set -g clock-mode-colour "#2CB494"

# Screensaver
set -g lock-after-time 180
set -g lock-command 'eval $(grep active_total ${TMPDIR:-/tmp}/.tmux_heartbeat 2>/dev/null); ~/.tmux/donut ${active_total:-0}'
set -g automatic-rename on
set -g allow-rename off
set -g automatic-rename-format '#{=/15/…:#{?#{||:#{m:zsh,#{pane_current_command}},#{||:#{m:bash,#{pane_current_command}},#{||:#{m:fish,#{pane_current_command}},#{m:sh,#{pane_current_command}}}}},#{b:pane_current_path},#{pane_current_command}}}'