theme: add info severity color token

crates/theme/src/resolve.rs

@@ -12,6 +12,7 @@ pub struct Ramps {
     pub destructive: AccentShades,
     pub success: AccentShades,
     pub warning: AccentShades,
+    pub info: AccentShades,
 }
 
 /// Everything a component paints from, after the overlay chain.
@@ -70,6 +71,7 @@ pub(crate) fn resolve(
         system_palette.warning,
         base.warning,
     );
+    let info = pick(def_color(|d| d.info()), system_palette.info, base.info);
 
     let mut colors = ColorTokens {
         background: pick(
@@ -126,18 +128,24 @@ pub(crate) fn resolve(
             None,
             contrast_foreground(destructive),
         ),
-        success: pick(def_color(|d| d.success()), None, base.success),
+        success,
         success_foreground: pick(
             def_color(|d| d.success_foreground()),
             None,
             contrast_foreground(success),
         ),
-        warning: pick(def_color(|d| d.warning()), None, base.warning),
+        warning,
         warning_foreground: pick(
             def_color(|d| d.warning_foreground()),
             None,
             contrast_foreground(warning),
         ),
+        info,
+        info_foreground: pick(
+            def_color(|d| d.info_foreground()),
+            None,
+            contrast_foreground(info),
+        ),
         border: pick(
             def_color(|d| d.border()),
             system_palette.border,
@@ -208,6 +216,7 @@ pub(crate) fn resolve(
             ),
             success: derive_shades(success, colors.background, variant == ThemeVariant::Dark),
             warning: derive_shades(warning, colors.background, variant == ThemeVariant::Dark),
+            info: derive_shades(info, colors.background, variant == ThemeVariant::Dark),
         },
         colors,
         radius,
@@ -523,4 +532,38 @@ mod tests {
             assert!(resolved.colors.ring != resolved.colors.background);
         }
     }
+
+    #[test]
+    fn info_stays_calm_when_the_accent_warms_up() {
+        // The whole point of the info role: a warm platform accent (GNOME
+        // red, Omarchy red themes) must not make Info toasts read as Danger.
+        let red_accent = hsla(0xdc2626);
+        let resolved = resolve(
+            &system(
+                ThemeVariant::Dark,
+                PartialPalette::default(),
+                Some(red_accent),
+            ),
+            None,
+            None,
+        );
+        assert_eq!(resolved.ramps.primary.base, red_accent);
+        assert_ne!(resolved.colors.info, resolved.colors.destructive);
+        assert_ne!(resolved.ramps.info.base, resolved.ramps.destructive.base);
+    }
+
+    #[test]
+    fn info_follows_the_severity_overlay_chain() {
+        let palette = PartialPalette {
+            info: Some(hsla(0x155e75)),
+            ..PartialPalette::default()
+        };
+        let system_stated = resolve(&system(ThemeVariant::Dark, palette, None), None, None);
+        assert_eq!(system_stated.colors.info, hsla(0x155e75));
+        assert_eq!(system_stated.ramps.info.base, hsla(0x155e75));
+
+        let def = ThemeDefinition::parse_toml("info = \"#0ea5e9\"\n").unwrap();
+        let preset_stated = resolve(&system(ThemeVariant::Dark, palette, None), Some(&def), None);
+        assert_eq!(preset_stated.colors.info, hsla(0x0ea5e9));
+    }
 }