feat(theme): add base16 theme support

AGENTS.md

@@ -44,7 +44,7 @@ shell.qml                 Entry point: Scope { Bar {}; Notification {} }
 │   ├── Cava.qml          Spawns `cava`, parses stdout into `values[]`
 │   └── Notifications.qml NotificationServer: popups, DND flag, history
 ├── config/               QML Singletons for configuration/theming
-│   ├── Theme.qml         colors, font, margin/radius/spacing/padding/duration, per-widget sizes
+│   ├── Theme.qml         base16 palettes (Theme.colors.base00-0F + semantic aliases), font, margin/radius/spacing/padding/duration, per-widget sizes
 │   └── BarLayout.qml     Which widgets go in left/center/right bar sections
 ├── ui/                   Shared reusable primitives
 │   ├── BarButton.qml     Themed button used by bar widgets

config/Theme.qml

@@ -7,38 +7,114 @@ import Quickshell
 Singleton {
     id: root
 
+    property string name: "poimandres"
+
+    readonly property Base16 scheme: {
+        switch (root.name) {
+        case "poimandres":
+            return poimandres;
+        default:
+            return gruvbox;
+        }
+    }
+
+    component Base16: QtObject {
+        property color base00
+        property color base01
+        property color base02
+        property color base03
+        property color base04
+        property color base05
+        property color base06
+        property color base07
+        property color base08
+        property color base09
+        property color base0A
+        property color base0B
+        property color base0C
+        property color base0D
+        property color base0E
+        property color base0F
+    }
+
+    Base16 {
+        id: poimandres
+
+        base00: "#1b1e28"
+        base01: "#2b3040"
+        base02: "#32384a"
+        base03: "#3b4258"
+        base04: "#5d678a"
+        base05: "#E4F0FB"
+        base06: "#b6d7f4"
+        base07: "#ffffff"
+        base08: "#D0679D"
+        base09: "#91B4D5"
+        base0A: "#FFFAC2"
+        base0B: "#5FB3A1"
+        base0C: "#5DE4C7"
+        base0D: "#89DDFF"
+        base0E: "#A6ACCD"
+        base0F: "#FCC5E9"
+    }
+
+    readonly property QtObject colors: QtObject {
+        readonly property color base00: root.scheme.base00
+        readonly property color base01: root.scheme.base01
+        readonly property color base02: root.scheme.base02
+        readonly property color base03: root.scheme.base03
+        readonly property color base04: root.scheme.base04
+        readonly property color base05: root.scheme.base05
+        readonly property color base06: root.scheme.base06
+        readonly property color base07: root.scheme.base07
+        readonly property color base08: root.scheme.base08
+        readonly property color base09: root.scheme.base09
+        readonly property color base0A: root.scheme.base0A
+        readonly property color base0B: root.scheme.base0B
+        readonly property color base0C: root.scheme.base0C
+        readonly property color base0D: root.scheme.base0D
+        readonly property color base0E: root.scheme.base0E
+        readonly property color base0F: root.scheme.base0F
+
+        readonly property color accent: base0D
+        readonly property color foreground: base05
+        readonly property color background: base00
+        readonly property color inActive: base01
+        readonly property color hover: base02
+        readonly property color border: base03
+        readonly property color secondaryForeground: base04
+        readonly property color error: base08
+        readonly property color warning: base0A
+        readonly property color success: base0B
+        readonly property color info: base0C
+    }
+
     property int margin: 8
     property int radius: 8
     property int spacing: 8
     property int padding: 8
     property int duration: 150
+    property int borderWidth: 1
 
-    font: QtObject {
+    property QtObject font: QtObject {
         property string family: "FiraCode Nerd Font Mono SemBd"
         property int pointSize: 9
         readonly property int body: pointSize - 1
         readonly property int caption: pointSize - 2
     }
 
-    colors: QtObject {
+    property QtObject bar: QtObject {
-        property color accent: "#6791c9"
-        property color foreground: "#ffffff"
-        property color background: "#101213"
-        property color inActive: "#1b1d1e"
-    }
-
-    bar: QtObject {
         property int thickness: 10
         property int height: 50
     }
 
-    workspaces: QtObject {
+    property QtObject workspaces: QtObject {
         property int height: 15
         property int radius: 1000
         property real activeWidthRatio: 2.3
     }
 
-    cava: QtObject {
+    property QtObject cava: QtObject {
         property int width: 96
         property int height: 32
         property int innerMargin: 8
@@ -46,14 +122,19 @@ Singleton {
         property int barMinHeight: 2
     }
 
-    tray: QtObject {
+    property QtObject button: QtObject {
+        property int iconSize: 14
+        property int verticalPadding: 4
+        property int borderWidth: 2
+    }
+
+    property QtObject tray: QtObject {
         property int iconSize: 16
     }
 
-    notification: QtObject {
+    property QtObject notification: QtObject {
         property int width: 420
         property int iconSize: 40
-        property int borderWidth: 1
         property int textSpacing: 2
         property real bodyOpacity: 0.8
     }