[Gtk-Theme] Pre-Processing + Some other work

gtk-theme/dist/gtk-3.0/gtk.css

@@ -0,0 +1,106 @@
+window {
+    color: var( --fg );
+    background-color: var( --bg );
+}
+
+
+/*
+ *          ╭───────────────────────────────────────────────╮
+ *          │               GTK NAMED COLORS                │
+ *          ╰───────────────────────────────────────────────╯
+*/
+
+/*
+ * ── widget text/foreground color ─────────────────────────────────────
+*/
+@define-color theme_fg_color #0ADCFF;
+
+/*
+ * ── text color for entries, views and content in general ─────────────
+*/
+@define-color theme_text_color #0ADCFF;
+
+/*
+ * ── widget base background color ─────────────────────────────────────
+*/
+@define-color theme_bg_color #0A0032;
+
+/*
+ * ── text widgets and the like base background color ──────────────────
+*/
+@define-color theme_base_color rgb( 15, 5, 60 );
+
+/*
+ * ── base background color of selections ──────────────────────────────
+*/
+@define-color theme_selected_bg_color #CFDCEA;
+
+/*
+ * ── text/foreground color of selections ──────────────────────────────
+*/
+@define-color theme_selected_fg_color #0ADCFF;
+
+/*
+ * ── base background color of insensitive widgets ─────────────────────
+*/
+@define-color insensitive_bg_color #0A0032;
+
+/*
+ * ── text foreground color of insensitive widgets ─────────────────────
+*/
+@define-color insensitive_fg_color rgba( 10, 220, 255, 0.5 );
+
+/*
+ * ── insensitive text widgets and the like base background color ──────
+*/
+@define-color insensitive_base_color rgb( 15, 5, 60 );
+
+/*
+ * ── widget text/foreground color on backdrop windows ─────────────────
+*/
+@define-color theme_unfocused_fg_color #686659;
+
+/*
+text color for entries, views and content in general on backdrop windows */
+@define-color theme_unfocused_text_color #C8C8C8;
+
+/*
+widget base background color on backdrop windows */
+@define-color theme_unfocused_bg_color #000000;
+
+/*
+text widgets and the like base background color on backdrop windows */
+@define-color theme_unfocused_base_color #000000;
+
+/*
+base background color of selections on backdrop windows */
+@define-color theme_unfocused_selected_bg_color #686659;
+
+/*
+text/foreground color of selections on backdrop windows */
+@define-color theme_unfocused_selected_fg_color #0ADCFF;
+
+/*
+insensitive color on backdrop windows */
+@define-color unfocused_insensitive_color rgba( 10, 220, 255, 0.5 );
+
+/*
+widgets main borders color */
+@define-color borders rgba( 10, 0, 60, 0.3 );
+/*
+widgets main borders color on backdrop windows */
+@define-color unfocused_borders rgba( 10, 0, 60, 0.3 );
+
+/*
+these are pretty self explicative */
+@define-color warning_color #ffeb3b;
+@define-color error_color #f44336;
+@define-color success_color #00e676;
+
+/* content view background such as thumbnails view in Photos or Boxes */
+@define-color content_view_bg #0A0032;
+
+/* Very contrasty background for text views (@theme_text_color foreground) */
+@define-color text_view_bg #0A0032;
+/* placeholder for entries */
+@define-color placeholder_text_color #C8C8C8;