refactor: Update CSS color variables to HSL, adjust main content width, and improve PDF text height calculation.

package.json

@@ -9,13 +9,14 @@
     "dev": "next dev --turbo",
     "format:check": "prettier --check \"**/*.{ts,tsx,js,jsx,mdx}\" --cache",
     "format:write": "prettier --write \"**/*.{ts,tsx,js,jsx,mdx}\" --cache",
-    "lint": "next lint",
-    "lint:fix": "next lint --fix",
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix",
     "preview": "next build && next start",
     "start": "next start",
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
+    "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-label": "^2.1.8",
     "@radix-ui/react-slot": "^1.2.4",
     "@radix-ui/react-tabs": "^1.1.13",