feat(assets): add dupre Chrome theme

Unpacked-extension theme mapping the dupre palette onto Chrome's window chrome: bg #151311 frame, bg+1 toolbar/omnibox, gold #d7af5f new-tab links, steel inactive-tab text. Install via chrome://extensions dev mode, Load unpacked.

2 files changed, 51 insertions, 0 deletions

diff --git a/assets/color-themes/dupre/chrome-theme/README.org b/assets/color-themes/dupre/chrome-theme/README.org
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+#+TITLE: Dupre Chrome Theme
+
+A Chrome browser theme in the dupre palette (see [[file:../dupre-palette.org][dupre-palette.org]]).
+
+* Color mapping
+
+| Chrome surface              | Dupre color | Hex       |
+|-----------------------------+-------------+-----------|
+| Frame (window chrome)       | bg          | =#151311= |
+| Toolbar + omnibox + new tab | bg+1        | =#252321= |
+| Active tab text             | fg          | =#f0fef0= |
+| Inactive tab text           | steel       | =#969385= |
+| Unfocused-window tab text   | muted       | =#58574e= |
+| Toolbar/bookmark text       | gray+2      | =#d0cbc0= |
+| New-tab links               | yellow      | =#d7af5f= |
+| Button background           | bg+2        | =#474544= |
+
+* Install
+
+1. Open =chrome://extensions=
+2. Enable "Developer mode" (top right)
+3. "Load unpacked" -> select this directory (=chrome-theme/=)
+
+Chrome applies the theme immediately. To revert: Settings -> Appearance -> "Reset to default".
diff --git a/assets/color-themes/dupre/chrome-theme/manifest.json b/assets/color-themes/dupre/chrome-theme/manifest.json
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+{
+  "manifest_version": 3,
+  "version": "1.0",
+  "name": "Dupre",
+  "description": "Warm, earthy dark theme. Goldenrod accents on near-black, from the dupre Emacs theme.",
+  "theme": {
+    "colors": {
+      "frame": [21, 19, 17],
+      "frame_inactive": [21, 19, 17],
+      "toolbar": [37, 35, 33],
+      "toolbar_text": [208, 203, 192],
+      "tab_text": [240, 254, 240],
+      "tab_background_text": [150, 147, 133],
+      "tab_background_text_inactive": [88, 87, 78],
+      "bookmark_text": [208, 203, 192],
+      "omnibox_background": [37, 35, 33],
+      "omnibox_text": [240, 254, 240],
+      "ntp_background": [21, 19, 17],
+      "ntp_text": [240, 254, 240],
+      "ntp_link": [215, 175, 95],
+      "button_background": [71, 69, 68]
+    },
+    "properties": {
+      "ntp_background_alignment": "center"
+    }
+  }
+}