fix: use burnt orange accent (#c2410c) with matching note cards

Final accent color — burnt orange, closest to original identity while
passing WCAG AA (4.64:1 on white, 4.75:1 on tertiary). Revert logo
to original PNG. Warm note card colors restored to match.

Author: caio-pizzol

apps/web/public/site.webmanifest

@@ -6,7 +6,7 @@
 		{ "src": "/android-chrome-192x192.png", "sizes": "192x192", "type": "image/png" },
 		{ "src": "/android-chrome-512x512.png", "sizes": "512x512", "type": "image/png" }
 	],
-	"theme_color": "#b94a0a",
+	"theme_color": "#c2410c",
 	"background_color": "#ffffff",
 	"display": "standalone"
 }

apps/web/scripts/prerender.ts

@@ -386,7 +386,9 @@ function generateLlmsFullTxt(): string {
 					lines.push("");
 					break;
 				case "note":
-					lines.push(`> **${block.noteType.toUpperCase()}${block.app ? ` (${block.app})` : ""}**: ${block.title}`);
+					lines.push(
+						`> **${block.noteType.toUpperCase()}${block.app ? ` (${block.app})` : ""}**: ${block.title}`,
+					);
 					lines.push(`> ${block.text}`);
 					lines.push("");
 					break;

apps/web/src/index.css

@@ -1,10 +1,10 @@
 @import "tailwindcss";
 
-/* ooxml.dev theme - Orange */
+/* ooxml.dev theme - Burnt Orange */
 :root {
-	/* Orange accent (AA-accessible on all theme backgrounds) */
-	--color-accent: #b94a0a;
-	--color-accent-hover: #9a3e08;
+	/* Burnt Orange accent (AA-accessible on all theme backgrounds) */
+	--color-accent: #c2410c;
+	--color-accent-hover: #9a3412;
 	--color-accent-light: #fff7ed;
 
 	/* Backgrounds */