feat(themes): event-horizon built-in theme

HellionChat/Themes/Builtin/EventHorizon.cs

@@ -0,0 +1,50 @@
+using HellionChat.Util;
+
+namespace HellionChat.Themes.Builtin;
+
+internal static class EventHorizon
+{
+    public const string Slug = "event-horizon";
+
+    public static Theme Build() => new(
+        Slug: Slug,
+        Name: "Event Horizon",
+        Author: "Hellion Online Media",
+        Description: "Cosmic Purple auf Near-Black. Deep-Space-Stimmung.",
+        Colors: new ThemeColors(
+            PrimaryDark:    ColourUtil.HexToRgba("#7B3FCF"),
+            Primary:        ColourUtil.HexToRgba("#9D5CFF"),
+            PrimaryLight:   ColourUtil.HexToRgba("#B585FF"),
+            PrimaryGlow:    ColourUtil.HexToRgba("#9D5CFF99"),
+
+            AccentDark:     ColourUtil.HexToRgba("#C9982E"),
+            Accent:         ColourUtil.HexToRgba("#E0AB36"),
+            AccentLight:    ColourUtil.HexToRgba("#F2C25C"),
+
+            Identity:       ColourUtil.HexToRgba("#9D5CFF"),
+
+            WindowBg:       ColourUtil.HexToRgba("#040308"),
+            ChildBg:        ColourUtil.HexToRgba("#0A081A"),
+            FrameBg:        ColourUtil.HexToRgba("#140F23"),
+            Surface:        ColourUtil.HexToRgba("#1B1530"),
+            SurfaceHover:   ColourUtil.HexToRgba("#251D40"),
+            Border:         ColourUtil.HexToRgba("#9D5CFF44"),
+
+            TextPrimary:    ColourUtil.HexToRgba("#E6E0F5"),
+            TextMuted:      ColourUtil.HexToRgba("#9890B5"),
+            TextDim:        ColourUtil.HexToRgba("#5A5570"),
+
+            StatusSuccess:  ColourUtil.HexToRgba("#26A269"),
+            StatusDanger:   ColourUtil.HexToRgba("#ED333B"),
+            StatusWarning:  ColourUtil.HexToRgba("#E0AB36"),
+            StatusInfo:     ColourUtil.HexToRgba("#9D5CFF")
+        ),
+        Layout: new ThemeLayout(
+            WindowRounding: 6f, ChildRounding: 5f, PopupRounding: 5f,
+            FrameRounding: 4f, GrabRounding: 4f, TabRounding: 4f,
+            ScrollbarRounding: 4f, WindowBorderSize: 1f, FrameBorderSize: 1f
+        ),
+        Typography: new ThemeTypography(),
+        IsBuiltIn: true
+    );
+}