[libadwaita] stylesheet: Add foreground colors to the palette

[Alexander Mikhaylenko <alexm src gnome org>]

commit a904e7d474d632454f27dd343b85d62794c90a1a
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Wed Jun 16 15:51:04 2021 +0200

    stylesheet: Add foreground colors to the palette
    
    This avoids using magic colors to some extent.

 src/stylesheet/_colors.scss       | 7 +++++--
 src/stylesheet/widgets/_misc.scss | 2 +-
 2 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/src/stylesheet/_colors.scss b/src/stylesheet/_colors.scss
index 7aab2984..3e4617a5 100644
--- a/src/stylesheet/_colors.scss
+++ b/src/stylesheet/_colors.scss
@@ -1,6 +1,9 @@
 // When color definition differs for dark and light variant
 // it gets @if ed depending on $variant
 
+$light_fg: #2e3436;
+$dark_fg: #eeeeec;
+
 $accent_color: gtkcolor(accent_color);
 $accent_text: gtkcolor(accent_text);
 $destructive_color: gtkcolor(destructive_color);
@@ -13,7 +16,7 @@ $error_color: gtkcolor(error_color);
 $base_color: if($variant == 'light', $light_1, lighten(desaturate($dark_4, 100%), 2%));
 $text_color: if($variant == 'light', black, white);
 $bg_color: if($variant == 'light', $light_2, darken(desaturate($dark_3, 100%), 4%));
-$fg_color: if($variant == 'light', #2e3436, #eeeeec);
+$fg_color: if($variant == 'light', $light_fg, $dark_fg);
 
 $accent_standalone_color: gtkmix($accent_color, $text_color, if($variant == 'dark', 50%, 75%));
 $destructive_standalone_color: gtkmix($destructive_color, $text_color, if($variant == 'dark', 50%, 75%));
@@ -57,7 +60,7 @@ $scrollbar_slider_color: mix($fg_color, $bg_color, 60%);
 $scrollbar_slider_hover_color: mix($fg_color, $bg_color, 80%);
 $scrollbar_slider_active_color: $accent_color;
 
-$osd_fg_color: #eeeeec;
+$osd_fg_color: $dark_fg;
 $osd_text_color: white;
 $osd_bg_color: if($variant == 'light', transparentize(darken(desaturate($dark_3, 100%), 4%),0.3), 
transparentize(darken(desaturate($dark_3, 100%), 10%),0.3));
 $osd_insensitive_bg_color: transparentize(mix($osd_fg_color, opacify($osd_bg_color, 1), 10%), 0.5);
diff --git a/src/stylesheet/widgets/_misc.scss b/src/stylesheet/widgets/_misc.scss
index cdfdf512..1e627a62 100644
--- a/src/stylesheet/widgets/_misc.scss
+++ b/src/stylesheet/widgets/_misc.scss
@@ -80,7 +80,7 @@ window.dialog.print {
 
     paper {
       background: white;
-      color: #2e3436;
+      color: $light_fg;
       border: 1px solid $borders_color;
     }
   }