4 files changed, 48 insertions, 0 deletions
diff --git a/forged/internal/ansiec/ansiec.go b/forged/internal/ansiec/ansiec.go
new file mode 100644
index 0000000..542c564
--- /dev/null
+++ b/forged/internal/ansiec/ansiec.go
@@ -0,0 +1,5 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
+// Package ansiec provides definitions for ANSI escape sequences.
+package ansiec
diff --git a/forged/internal/ansiec/colors.go b/forged/internal/ansiec/colors.go
new file mode 100644
index 0000000..8e5f54b
--- /dev/null
+++ b/forged/internal/ansiec/colors.go
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
+package ansiec
+
+const (
+	Black   = "\x1b[30m"
+	Red     = "\x1b[31m"
+	Green   = "\x1b[32m"
+	Yellow  = "\x1b[33m"
+	Blue    = "\x1b[34m"
+	Magenta = "\x1b[35m"
+	Cyan    = "\x1b[36m"
+	White   = "\x1b[37m"
+)
+
+const (
+	BrightBlack   = "\x1b[30;1m"
+	BrightRed     = "\x1b[31;1m"
+	BrightGreen   = "\x1b[32;1m"
+	BrightYellow  = "\x1b[33;1m"
+	BrightBlue    = "\x1b[34;1m"
+	BrightMagenta = "\x1b[35;1m"
+	BrightCyan    = "\x1b[36;1m"
+	BrightWhite   = "\x1b[37;1m"
+)
diff --git a/forged/internal/ansiec/reset.go b/forged/internal/ansiec/reset.go
new file mode 100644
index 0000000..c5b6ba6
--- /dev/null
+++ b/forged/internal/ansiec/reset.go
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
+package ansiec
+
+const Reset = "\x1b[0m"
diff --git a/forged/internal/ansiec/style.go b/forged/internal/ansiec/style.go
new file mode 100644
index 0000000..dd37344
--- /dev/null
+++ b/forged/internal/ansiec/style.go
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
+
+package ansiec
+
+const (
+	Bold      = "\x1b[1m"
+	Underline = "\x1b[4m"
+	Reversed  = "\x1b[7m"
+	Italic    = "\x1b[3m"
+)