Implement semantic theme color system

themes/gruvbox/colors.toml

@@ -1,3 +1,5 @@
+mode = "dark"
+
 accent = "#7daea3"
 cursor = "#bdae93"
 foreground = "#d4be98"
@@ -5,19 +7,28 @@ background = "#282828"
 selection_foreground = "#ebdbb2"
 selection_background = "#d65d0e"
 
-color0 = "#3c3836"
-color1 = "#ea6962"
-color2 = "#a9b665"
-color3 = "#d8a657"
-color4 = "#7daea3"
-color5 = "#d3869b"
-color6 = "#89b482"
-color7 = "#d4be98"
-color8 = "#3c3836"
-color9 = "#ea6962"
-color10 = "#a9b665"
-color11 = "#d8a657"
-color12 = "#7daea3"
-color13 = "#d3869b"
-color14 = "#89b482"
-color15 = "#d4be98"
+bg = "#282828"
+lighter_bg = "#3c3836"
+selection = "#504945"
+muted = "#665c54"
+dark_fg = "#7c6f64"
+fg = "#a89984"
+light_fg = "#bdae93"
+bright_fg = "#d4be98"
+
+red = "#ea6962"
+yellow = "#d8a657"
+orange = "#e1875c"
+green = "#a9b665"
+cyan = "#89b482"
+blue = "#7daea3"
+purple = "#d3869b"
+brown = "#70432e"
+dark_bg = "#1e1e1e"
+darker_bg = "#161616"
+bright_red = "#ea6962"
+bright_yellow = "#d8a657"
+bright_green = "#a9b665"
+bright_cyan = "#89b482"
+bright_blue = "#7daea3"
+bright_purple = "#d3869b"