Swapped the entire UI to Material UI, applied a global dark theme, and removed all of the old styled-jsx/CSS-module styling

package.json

@@ -11,18 +11,22 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
-    "bcryptjs": "^2.4.3",
-    "better-sqlite3": "^11.6.0",
-    "next": "^15.0.0",
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1"
+    "@emotion/react": "^11.14.0",
+    "@emotion/styled": "^11.14.1",
+    "@mui/icons-material": "^7.3.4",
+    "@mui/material": "^7.3.4",
+    "bcryptjs": "^3.0.2",
+    "better-sqlite3": "^12.4.1",
+    "next": "^16.0.1",
+    "react": "^19.2.0",
+    "react-dom": "^19.2.0"
   },
   "devDependencies": {
-    "@types/node": "^20.12.12",
-    "@types/react": "^18.2.37",
-    "@types/react-dom": "^18.2.15",
-    "eslint": "^8.57.0",
-    "eslint-config-next": "^15.0.0",
-    "typescript": "^5.4.5"
+    "@types/node": "^24.9.2",
+    "@types/react": "^19.2.2",
+    "@types/react-dom": "^19.2.2",
+    "eslint": "^9.38.0",
+    "eslint-config-next": "^16.0.1",
+    "typescript": "^5.9.3"
   }
 }