fix(theme): sync browser theme-colour with the new dark base

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

src/app.html

@@ -18,7 +18,7 @@
           if (t === 'dark') {
             document.documentElement.setAttribute('data-theme', 'dark');
             var m = document.querySelector('meta[name="theme-color"]');
-            if (m) m.content = '#1a1715';
+            if (m) m.content = '#141312';
           }
         } catch(e) {}
       })();

src/lib/utils/theme.svelte.ts

@@ -1,7 +1,7 @@
 import { browser } from '$app/environment';
 
 const LIGHT_THEME_COLOR = '#f0e6d3';
-const DARK_THEME_COLOR = '#1a1715';
+const DARK_THEME_COLOR = '#141312';
 
 let darkMode = $state(false);
 

src/lib/utils/theme.test.ts

@@ -37,7 +37,7 @@ describe('applyTheme', () => {
 	it('updates meta theme-color for dark mode', () => {
 		applyTheme('dark');
 		const meta = document.querySelector('meta[name="theme-color"]');
-		expect(meta?.getAttribute('content')).toBe('#1a1715');
+		expect(meta?.getAttribute('content')).toBe('#141312');
 	});
 
 	it('updates meta theme-color for light mode', () => {