Add Ayu color themes

src/theme.rs

@@ -60,6 +60,9 @@ pub enum AppTheme {
     GruvboxDark,
     SolarizedLight,
     GruvboxLight,
+    AyuDark,
+    AyuMirage,
+    AyuLight,
 }
 
 /// Build a `Color` from a packed `0xRRGGBB` literal — keeps the palette tables
@@ -70,7 +73,7 @@ fn hex(c: u32) -> Color {
 
 impl AppTheme {
     /// Every theme, in picker order.
-    pub const ALL: [AppTheme; 10] = [
+    pub const ALL: [AppTheme; 13] = [
         AppTheme::Mocha,
         AppTheme::Macchiato,
         AppTheme::Frappe,
@@ -81,6 +84,9 @@ impl AppTheme {
         AppTheme::GruvboxDark,
         AppTheme::SolarizedLight,
         AppTheme::GruvboxLight,
+        AppTheme::AyuDark,
+        AppTheme::AyuMirage,
+        AppTheme::AyuLight,
     ];
 
     /// Human-readable name for the picker.
@@ -96,6 +102,9 @@ impl AppTheme {
             AppTheme::GruvboxDark => "Gruvbox Dark",
             AppTheme::SolarizedLight => "Solarized Light",
             AppTheme::GruvboxLight => "Gruvbox Light",
+            AppTheme::AyuDark => "Ayu Dark",
+            AppTheme::AyuMirage => "Ayu Mirage",
+            AppTheme::AyuLight => "Ayu Light",
         }
     }
 
@@ -103,7 +112,10 @@ impl AppTheme {
     pub fn is_dark(self) -> bool {
         !matches!(
             self,
-            AppTheme::Latte | AppTheme::SolarizedLight | AppTheme::GruvboxLight
+            AppTheme::Latte
+                | AppTheme::SolarizedLight
+                | AppTheme::GruvboxLight
+                | AppTheme::AyuLight
         )
     }
 
@@ -120,6 +132,8 @@ impl AppTheme {
             AppTheme::GruvboxDark => iced::Theme::GruvboxDark,
             AppTheme::SolarizedLight => iced::Theme::SolarizedLight,
             AppTheme::GruvboxLight => iced::Theme::GruvboxLight,
+            AppTheme::AyuDark | AppTheme::AyuMirage => iced::Theme::TokyoNight,
+            AppTheme::AyuLight => iced::Theme::Light,
         }
     }
 
@@ -281,6 +295,52 @@ impl AppTheme {
                 green: hex(0x79740e),
                 yellow: hex(0xb57614),
             },
+            AppTheme::AyuDark => Palette {
+                crust: hex(0x06080a),
+                mantle: hex(0x0b0e14),
+                base: hex(0x0d1017),
+                surface: hex(0x1c222b),
+                overlay: hex(0x565b66),
+                text: hex(0xbfbdb6),
+                subtext: hex(0x9da1a6),
+                blue: hex(0xe6b450),
+                lavender: hex(0x59c2ff),
+                red: hex(0xf07178),
+                maroon: hex(0xff8f40),
+                green: hex(0xaad94c),
+                yellow: hex(0xffb454),
+            },
+            AppTheme::AyuMirage => Palette {
+                crust: hex(0x171b24),
+                mantle: hex(0x1a1f29),
+                base: hex(0x1f2430),
+                surface: hex(0x232834),
+                overlay: hex(0x707a8c),
+                text: hex(0xcccac2),
+                subtext: hex(0xa6abb4),
+                blue: hex(0xffcc66),
+                lavender: hex(0x73d0ff),
+                red: hex(0xf28779),
+                maroon: hex(0xffa759),
+                green: hex(0xd5ff80),
+                yellow: hex(0xffd173),
+            },
+            // Ayu Light's canonical orange is deepened for legibility on white.
+            AppTheme::AyuLight => Palette {
+                crust: hex(0xe6e9ec),
+                mantle: hex(0xf3f4f5),
+                base: hex(0xfcfcfc),
+                surface: hex(0xe8eaed),
+                overlay: hex(0x8a9199),
+                text: hex(0x5c6166),
+                subtext: hex(0x737980),
+                blue: hex(0xc7500e),
+                lavender: hex(0x399ee6),
+                red: hex(0xf07171),
+                maroon: hex(0xfa8d3e),
+                green: hex(0x86b300),
+                yellow: hex(0xff9940),
+            },
         }
     }
 }
@@ -371,11 +431,11 @@ mod tests {
     fn all_themes_distinct_and_labeled() {
         // ALL covers exactly the variants once, each with a unique non-empty label
         // and a distinct base colour (so swatches don't look identical).
-        assert_eq!(AppTheme::ALL.len(), 10);
+        assert_eq!(AppTheme::ALL.len(), 13);
         let mut labels: Vec<&str> = AppTheme::ALL.iter().map(|t| t.label()).collect();
         labels.sort_unstable();
         labels.dedup();
-        assert_eq!(labels.len(), 10, "labels must be unique + non-empty");
+        assert_eq!(labels.len(), 13, "labels must be unique + non-empty");
         assert!(labels.iter().all(|l| !l.is_empty()));
     }