diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 51e1d77..3b7b2e5 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -43,6 +43,9 @@ importers:
       '@tiptap/starter-kit':
         specifier: ^3.20.1
         version: 3.20.1
+      arctic:
+        specifier: ^3.7.0
+        version: 3.7.0
       argon2:
         specifier: ^0.43.1
         version: 0.43.1
@@ -98,6 +101,9 @@ importers:
       '@types/uuid':
         specifier: ^10.0.0
         version: 10.0.0
+      '@types/zxcvbn':
+        specifier: ^4.4.5
+        version: 4.4.5
       '@vite-pwa/sveltekit':
         specifier: ^1.1.0
         version: 1.1.0(@sveltejs/kit@2.53.4(@sveltejs/vite-plugin-svelte@6.2.4(svelte@5.53.7)(vite@7.3.1(@types/node@25.3.5)(jiti@2.6.1)(lightningcss@1.31.1)(terser@5.46.0)(tsx@4.21.0)(yaml@2.8.2)))(svelte@5.53.7)(typescript@5.9.3)(vite@7.3.1(@types/node@25.3.5)(jiti@2.6.1)(lightningcss@1.31.1)(terser@5.46.0)(tsx@4.21.0)(yaml@2.8.2)))(vite@7.3.1(@types/node@25.3.5)(jiti@2.6.1)(lightningcss@1.31.1)(terser@5.46.0)(tsx@4.21.0)(yaml@2.8.2))(workbox-build@7.4.0)(workbox-window@7.4.0)
@@ -978,6 +984,24 @@ packages:
   '@jridgewell/trace-mapping@0.3.31':
     resolution: {integrity: sha512-zzNR+SdQSDJzc8joaeP8QQoCQr8NuYx2dIIytl1QeBEZHJ9uW6hebsrYgbz8hJwUQao3TWCMtmfV8Nu1twOLAw==}
 
+  '@oslojs/asn1@1.0.0':
+    resolution: {integrity: sha512-zw/wn0sj0j0QKbIXfIlnEcTviaCzYOY3V5rAyjR6YtOByFtJiT574+8p9Wlach0lZH9fddD4yb9laEAIl4vXQA==}
+
+  '@oslojs/binary@1.0.0':
+    resolution: {integrity: sha512-9RCU6OwXU6p67H4NODbuxv2S3eenuQ4/WFLrsq+K/k682xrznH5EVWA7N4VFk9VYVcbFtKqur5YQQZc0ySGhsQ==}
+
+  '@oslojs/crypto@1.0.1':
+    resolution: {integrity: sha512-7n08G8nWjAr/Yu3vu9zzrd0L9XnrJfpMioQcvCMxBIiF5orECHe5/3J0jmXRVvgfqMm/+4oxlQ+Sq39COYLcNQ==}
+
+  '@oslojs/encoding@0.4.1':
+    resolution: {integrity: sha512-hkjo6MuIK/kQR5CrGNdAPZhS01ZCXuWDRJ187zh6qqF2+yMHZpD9fAYpX8q2bOO6Ryhl3XpCT6kUX76N8hhm4Q==}
+
+  '@oslojs/encoding@1.1.0':
+    resolution: {integrity: sha512-70wQhgYmndg4GCPxPPxPGevRKqTIJ2Nh4OkiMWmDAVYsTQ+Ta7Sq+rPevXyXGdzr30/qZBnyOalCszoMxlyldQ==}
+
+  '@oslojs/jwt@0.2.0':
+    resolution: {integrity: sha512-bLE7BtHrURedCn4Mco3ma9L4Y1GR2SMBuIvjWr7rmQ4/W/4Jy70TIAgZ+0nIlk0xHz1vNP8x8DCns45Sb2XRbg==}
+
   '@phc/format@1.0.0':
     resolution: {integrity: sha512-m7X9U6BG2+J+R1lSOdCiITLLrxm+cWlNI3HUFA92oLO77ObGNzaKdh8pMLqdZcshtkKuV84olNNXDfMc4FezBQ==}
     engines: {node: '>=10'}
@@ -1547,6 +1571,9 @@ packages:
   '@types/uuid@10.0.0':
     resolution: {integrity: sha512-7gqG38EyHgyP1S+7+xomFtL+ZNHcKv6DwNaCZmJmo1vgMugyF3TCnXVg4t1uk89mLNwnLtnY3TpOpCOyp1/xHQ==}
 
+  '@types/zxcvbn@4.4.5':
+    resolution: {integrity: sha512-FZJgC5Bxuqg7Rhsm/bx6gAruHHhDQ55r+s0JhDh8CQ16fD7NsJJ+p8YMMQDhSQoIrSmjpqqYWA96oQVMNkjRyA==}
+
   '@vite-pwa/sveltekit@1.1.0':
     resolution: {integrity: sha512-mMIf2tY+7Hg8jecpu/WY+Ki2ikoXy3hVmt3tOxi0K+lYYnKQrDYthuHireI0S+26Mg9BXzL7qQF1xeB5VYlYlg==}
     engines: {node: '>=18.13'}
@@ -1594,6 +1621,9 @@ packages:
   ajv@8.18.0:
     resolution: {integrity: sha512-PlXPeEWMXMZ7sPYOHqmDyCJzcfNrUr3fGNKtezX14ykXOEIvyK81d+qydx89KY5O71FKMPaQ2vBfBFI5NHR63A==}
 
+  arctic@3.7.0:
+    resolution: {integrity: sha512-ZMQ+f6VazDgUJOd+qNV+H7GohNSYal1mVjm5kEaZfE2Ifb7Ss70w+Q7xpJC87qZDkMZIXYf0pTIYZA0OPasSbw==}
+
   argon2@0.43.1:
     resolution: {integrity: sha512-TfOzvDWUaQPurCT1hOwIeFNkgrAJDpbBGBGWDgzDsm11nNhImc13WhdGdCU6K7brkp8VpeY07oGtSex0Wmhg8w==}
     engines: {node: '>=16.17.0'}
@@ -4111,6 +4141,25 @@ snapshots:
       '@jridgewell/resolve-uri': 3.1.2
       '@jridgewell/sourcemap-codec': 1.5.5
 
+  '@oslojs/asn1@1.0.0':
+    dependencies:
+      '@oslojs/binary': 1.0.0
+
+  '@oslojs/binary@1.0.0': {}
+
+  '@oslojs/crypto@1.0.1':
+    dependencies:
+      '@oslojs/asn1': 1.0.0
+      '@oslojs/binary': 1.0.0
+
+  '@oslojs/encoding@0.4.1': {}
+
+  '@oslojs/encoding@1.1.0': {}
+
+  '@oslojs/jwt@0.2.0':
+    dependencies:
+      '@oslojs/encoding': 0.4.1
+
   '@phc/format@1.0.0': {}
 
   '@playwright/test@1.58.2':
@@ -4618,6 +4667,8 @@ snapshots:
 
   '@types/uuid@10.0.0': {}
 
+  '@types/zxcvbn@4.4.5': {}
+
   '@vite-pwa/sveltekit@1.1.0(@sveltejs/kit@2.53.4(@sveltejs/vite-plugin-svelte@6.2.4(svelte@5.53.7)(vite@7.3.1(@types/node@25.3.5)(jiti@2.6.1)(lightningcss@1.31.1)(terser@5.46.0)(tsx@4.21.0)(yaml@2.8.2)))(svelte@5.53.7)(typescript@5.9.3)(vite@7.3.1(@types/node@25.3.5)(jiti@2.6.1)(lightningcss@1.31.1)(terser@5.46.0)(tsx@4.21.0)(yaml@2.8.2)))(vite@7.3.1(@types/node@25.3.5)(jiti@2.6.1)(lightningcss@1.31.1)(terser@5.46.0)(tsx@4.21.0)(yaml@2.8.2))(workbox-build@7.4.0)(workbox-window@7.4.0)':
     dependencies:
       '@sveltejs/kit': 2.53.4(@sveltejs/vite-plugin-svelte@6.2.4(svelte@5.53.7)(vite@7.3.1(@types/node@25.3.5)(jiti@2.6.1)(lightningcss@1.31.1)(terser@5.46.0)(tsx@4.21.0)(yaml@2.8.2)))(svelte@5.53.7)(typescript@5.9.3)(vite@7.3.1(@types/node@25.3.5)(jiti@2.6.1)(lightningcss@1.31.1)(terser@5.46.0)(tsx@4.21.0)(yaml@2.8.2))
@@ -4681,6 +4732,12 @@ snapshots:
       json-schema-traverse: 1.0.0
       require-from-string: 2.0.2
 
+  arctic@3.7.0:
+    dependencies:
+      '@oslojs/crypto': 1.0.1
+      '@oslojs/encoding': 1.1.0
+      '@oslojs/jwt': 0.2.0
+
   argon2@0.43.1:
     dependencies:
       '@phc/format': 1.0.0