fix: Conditionally set css variables

frappe/website/doctype/website_theme/website_theme_template.scss

@@ -1,13 +1,13 @@
 {% if google_font %}
 @import url("https://fonts.googleapis.com/css2?family={{ google_font.replace(' ', '+') }}:{{ font_properties }}&display=swap");
 $font-family-sans-serif: "{{ google_font }}", -apple-system, BlinkMacSystemFont,
-    "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans",
-    "Droid Sans", "Helvetica Neue", sans-serif;
+	"Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans",
+	"Droid Sans", "Helvetica Neue", sans-serif;
 {% endif -%}
 
 {% if primary_color %}$primary: {{ frappe.db.get_value('Color', primary_color, 'color') }};{% endif -%}
 {% if dark_color %}$dark: {{ frappe.db.get_value('Color', dark_color, 'color') }};{% endif -%}
-{% if text_color %}$body-color: {{ frappe.db.get_value('Color', text_color, 'color') }};{% endif -%}
+{% if text_color %}$body-text-color: {{ frappe.db.get_value('Color', text_color, 'color') }};{% endif -%}
 {% if background_color %}$body-bg: {{ frappe.db.get_value('Color', background_color, 'color') }};{% endif -%}
 
 $enable-shadows: {{ button_shadows and "true" or "false" }};
@@ -24,7 +24,7 @@ $enable-rounded: {{ button_rounded_corners and "true" or "false" }};
 
 {% if font_size -%}
 body {
-    font-size: {{ font_size }};
+	font-size: {{ font_size }};
 }
 {%- endif %}
 
@@ -32,12 +32,16 @@ body {
 {{ custom_scss or '' }}
 
 :root {
+	{% if primary_color %}
 	--primary: #{$primary};
 	--primary-color: #{$primary};
-	--primary-light: #{$primary-light};
-	--light: #{$light};
+	{% endif -%}
+	{% if background_color %}
 	--bg-color: #{$body-bg};
-	--text-color: #{$body-color};
-	--text-light: #{$body-color};
+	{% endif -%}
+	{% if text_color %}
+	--text-color: #{$body-text-color};
+	--text-light: #{$body-text-color};
+	{% endif -%}
 }