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Overview

Alacritty is a blazing fast, GPU-accelerated terminal emulator written in Rust. It focuses on simplicity and performance, with configuration done via a TOML file. This setup uses the Catppuccin Mocha color scheme.

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Configuration

The configuration is located at .config/alacritty/alacritty.toml and uses TOML format for clear, structured settings.

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Color scheme

The configuration uses the Catppuccin Mocha theme, a warm and soothing pastel color palette.

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Primary colors

[colors.primary]
background = "#1e1e2e"
foreground = "#cdd6f4"
dim_foreground = "#7f849c"
bright_foreground = "#cdd6f4"

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Cursor colors

[colors.cursor]
text = "#1e1e2e"
cursor = "#f5e0dc"

[colors.vi_mode_cursor]
text = "#1e1e2e"
cursor = "#b4befe"

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Normal colors

[colors.normal]
black = "#45475a"
red = "#f38ba8"
green = "#a6e3a1"
yellow = "#f9e2af"
blue = "#89b4fa"
magenta = "#f5c2e7"
cyan = "#94e2d5"
white = "#bac2de"
The Catppuccin Mocha theme provides excellent contrast while being easy on the eyes during long coding sessions.

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Font configuration

JetBrains Mono Nerd Font is used for excellent readability and icon support: 
[font]
size = 12

[font.normal]
family = "JetBrainsMono Nerd Font"
style = "Regular"

[font.bold]
style = "Bold"

[font.bold_italic]
style = "Bold Italic"

[font.italic]
style = "Italic"

Font family

JetBrains Mono Nerd Font with full icon support

Size

12pt for optimal readability

Variants

Full support for bold, italic, and bold-italic

Ligatures

Programming ligatures for better code readability

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Window configuration

The window is configured for macOS with a clean, minimal appearance: 
[window]
decorations = "buttonless"
dynamic_padding = false
opacity = 0.95
option_as_alt = "Both"
startup_mode = "Windowed"

[window.padding]
x = 12
y = 12
Set to buttonless for a clean macOS appearance without traditional window buttons.
Background opacity is set to 0.95 for subtle transparency:
opacity = 0.95
12 pixels of padding on both x and y axes provides comfortable spacing:
[window.padding]
x = 12
y = 12

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Search highlighting

Custom colors for search matches: 
[colors.search.matches]
foreground = "#1e1e2e"
background = "#a6adc8"

[colors.search.focused_match]
foreground = "#1e1e2e"
background = "#a6e3a1"

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Selection colors

[colors.selection]
text = "#1e1e2e"
background = "#f5e0dc"

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Environment variables

The terminal type is explicitly set: 
[env]
TERM = "xterm-256color"
This ensures proper color support in all terminal applications.

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macOS integration

Option key behavior is configured for better macOS integration: 
option_as_alt = "Both"
This allows both left and right Option keys to function as Alt keys for keyboard shortcuts.

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Installation

Install Alacritty and JetBrains Mono Nerd Font, then symlink the configuration: 
stow -t ~ alacritty
Alacritty automatically reloads configuration changes, so you can edit the TOML file and see changes immediately.

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