feat(zenburnesque): switch accent from sage green to dusty rose

Use Zenburn's iconic dusty rose (#cc9393) as the accent for a warmer
glow. Shift error to coral red (#e37170) to avoid accent/error clash.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: ASRagab

src/lib/monaco-theme.ts

@@ -67,7 +67,7 @@ const presetColors: Record<LookPreset, PresetColors> = {
     fgMuted: '#a0a090',
     fgSubtle: '#7f8f7f',
     border: '#484640',
-    accent: '#9ece9e',
+    accent: '#cc9393',
   },
 };
 

src/styles.css

@@ -285,20 +285,20 @@ html[data-look='zenburnesque'] {
   --bg-elevated: #2e2d2a;
   --bg-input: #2a2927;
   --bg-hover: #3a3936;
-  --bg-selected: #2e3f30;
-  --bg-selected-subtle: #2e3f3040;
+  --bg-selected: #3f2e30;
+  --bg-selected-subtle: #3f2e3040;
   --border: #484640;
   --border-subtle: #383634;
-  --border-focus: #9ece9e;
+  --border-focus: #cc9393;
   --fg: #dcdccc;
   --fg-muted: #a0a090;
   --fg-subtle: #7f8f7f;
-  --accent: #9ece9e;
-  --accent-hover: #b4deb4;
-  --accent-text: #0a120a;
-  --link: #b4deb4;
+  --accent: #cc9393;
+  --accent-hover: #d8a8a8;
+  --accent-text: #1a0e0e;
+  --link: #d8a8a8;
   --success: #7f9f7f;
-  --error: #cc9393;
+  --error: #e37170;
   --warning: #f0dfaf;
   --island-bg: #262523;
   --island-border: #484640;