add initial mock sidebar

internal/tui/styles/icons.go

@@ -1,6 +1,7 @@
 package styles
 
 const (
+	OpenCodeIcon string = "⌬"
 	SessionsIcon string = "󰧑"
 	ChatIcon     string = "󰭹"
 

internal/tui/styles/styles.go

@@ -16,6 +16,10 @@ var (
 		Dark:  "#212121",
 		Light: "#212121",
 	}
+	BackgroundDim = lipgloss.AdaptiveColor{
+		Dark:  "#2c2c2c",
+		Light: "#2c2c2c",
+	}
 	BackgroundDarker = lipgloss.AdaptiveColor{
 		Dark:  "#181818",
 		Light: "#181818",
@@ -24,6 +28,25 @@ var (
 		Dark:  "#4b4c5c",
 		Light: "#4b4c5c",
 	}
+
+	Forground = lipgloss.AdaptiveColor{
+		Dark:  "#d3d3d3",
+		Light: "#d3d3d3",
+	}
+
+	ForgroundDim = lipgloss.AdaptiveColor{
+		Dark:  "#737373",
+		Light: "#737373",
+	}
+
+	BaseStyle = lipgloss.NewStyle().
+			Background(Background).
+			Foreground(Forground)
+
+	PrimaryColor = lipgloss.AdaptiveColor{
+		Dark:  "#fab283",
+		Light: "#fab283",
+	}
 )
 
 var (