Update dependency typescript-eslint to v8.53.0

.gitignore

@@ -1,2 +1,4 @@
 target/
 cache/
+tokens.bin
+.auth_key

frontend/pnpm-lock.yaml

@@ -59,7 +59,7 @@ importers:
         version: 5.9.3
       typescript-eslint:
         specifier: ^8.48.1
-        version: 8.48.1(eslint@9.39.1)(typescript@5.9.3)
+        version: 8.53.0(eslint@9.39.1)(typescript@5.9.3)
       vite:
         specifier: npm:rolldown-vite@7.2.5
         version: rolldown-vite@7.2.5(@types/node@24.10.1)
@@ -167,6 +167,12 @@ packages:
     peerDependencies:
       eslint: ^6.0.0 || ^7.0.0 || >=8.0.0
 
+  '@eslint-community/eslint-utils@4.9.1':
+    resolution: {integrity: sha512-phrYmNiYppR7znFEdqgfWHXR6NCkZEK7hwWDHZUjit/2/U0r6XvkDl0SYnoM51Hq7FhCGdLDT6zxCCOY1hexsQ==}
+    engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
+    peerDependencies:
+      eslint: ^6.0.0 || ^7.0.0 || >=8.0.0
+
   '@eslint-community/regexpp@4.12.2':
     resolution: {integrity: sha512-EriSTlt5OC9/7SXkRSCAhfSxxoSUgBm33OH+IkwbdpgoqsSsUg7y3uh+IICI/Qg4BBWr3U2i39RpmycbxMq4ew==}
     engines: {node: ^12.0.0 || ^14.0.0 || >=16.0.0}
@@ -362,70 +368,70 @@ packages:
   '@types/react@19.2.7':
     resolution: {integrity: sha512-MWtvHrGZLFttgeEj28VXHxpmwYbor/ATPYbBfSFZEIRK0ecCFLl2Qo55z52Hss+UV9CRN7trSeq1zbgx7YDWWg==}
 
-  '@typescript-eslint/eslint-plugin@8.48.1':
+  '@typescript-eslint/eslint-plugin@8.53.0':
-    resolution: {integrity: sha512-X63hI1bxl5ohelzr0LY5coufyl0LJNthld+abwxpCoo6Gq+hSqhKwci7MUWkXo67mzgUK6YFByhmaHmUcuBJmA==}
+    resolution: {integrity: sha512-eEXsVvLPu8Z4PkFibtuFJLJOTAV/nPdgtSjkGoPpddpFk3/ym2oy97jynY6ic2m6+nc5M8SE1e9v/mHKsulcJg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
-      '@typescript-eslint/parser': ^8.48.1
+      '@typescript-eslint/parser': ^8.53.0
       eslint: ^8.57.0 || ^9.0.0
       typescript: '>=4.8.4 <6.0.0'
 
-  '@typescript-eslint/parser@8.48.1':
+  '@typescript-eslint/parser@8.53.0':
-    resolution: {integrity: sha512-PC0PDZfJg8sP7cmKe6L3QIL8GZwU5aRvUFedqSIpw3B+QjRSUZeeITC2M5XKeMXEzL6wccN196iy3JLwKNvDVA==}
+    resolution: {integrity: sha512-npiaib8XzbjtzS2N4HlqPvlpxpmZ14FjSJrteZpPxGUaYPlvhzlzUZ4mZyABo0EFrOWnvyd0Xxroq//hKhtAWg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       eslint: ^8.57.0 || ^9.0.0
       typescript: '>=4.8.4 <6.0.0'
 
-  '@typescript-eslint/project-service@8.48.1':
+  '@typescript-eslint/project-service@8.53.0':
-    resolution: {integrity: sha512-HQWSicah4s9z2/HifRPQ6b6R7G+SBx64JlFQpgSSHWPKdvCZX57XCbszg/bapbRsOEv42q5tayTYcEFpACcX1w==}
+    resolution: {integrity: sha512-Bl6Gdr7NqkqIP5yP9z1JU///Nmes4Eose6L1HwpuVHwScgDPPuEWbUVhvlZmb8hy0vX9syLk5EGNL700WcBlbg==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       typescript: '>=4.8.4 <6.0.0'
 
-  '@typescript-eslint/scope-manager@8.48.1':
+  '@typescript-eslint/scope-manager@8.53.0':
-    resolution: {integrity: sha512-rj4vWQsytQbLxC5Bf4XwZ0/CKd362DkWMUkviT7DCS057SK64D5lH74sSGzhI6PDD2HCEq02xAP9cX68dYyg1w==}
+    resolution: {integrity: sha512-kWNj3l01eOGSdVBnfAF2K1BTh06WS0Yet6JUgb9Cmkqaz3Jlu0fdVUjj9UI8gPidBWSMqDIglmEXifSgDT/D0g==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
-  '@typescript-eslint/tsconfig-utils@8.48.1':
+  '@typescript-eslint/tsconfig-utils@8.53.0':
-    resolution: {integrity: sha512-k0Jhs4CpEffIBm6wPaCXBAD7jxBtrHjrSgtfCjUvPp9AZ78lXKdTR8fxyZO5y4vWNlOvYXRtngSZNSn+H53Jkw==}
+    resolution: {integrity: sha512-K6Sc0R5GIG6dNoPdOooQ+KtvT5KCKAvTcY8h2rIuul19vxH5OTQk7ArKkd4yTzkw66WnNY0kPPzzcmWA+XRmiA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       typescript: '>=4.8.4 <6.0.0'
 
-  '@typescript-eslint/type-utils@8.48.1':
+  '@typescript-eslint/type-utils@8.53.0':
-    resolution: {integrity: sha512-1jEop81a3LrJQLTf/1VfPQdhIY4PlGDBc/i67EVWObrtvcziysbLN3oReexHOM6N3jyXgCrkBsZpqwH0hiDOQg==}
+    resolution: {integrity: sha512-BBAUhlx7g4SmcLhn8cnbxoxtmS7hcq39xKCgiutL3oNx1TaIp+cny51s8ewnKMpVUKQUGb41RAUWZ9kxYdovuw==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       eslint: ^8.57.0 || ^9.0.0
       typescript: '>=4.8.4 <6.0.0'
 
-  '@typescript-eslint/types@8.48.1':
+  '@typescript-eslint/types@8.53.0':
-    resolution: {integrity: sha512-+fZ3LZNeiELGmimrujsDCT4CRIbq5oXdHe7chLiW8qzqyPMnn1puNstCrMNVAqwcl2FdIxkuJ4tOs/RFDBVc/Q==}
+    resolution: {integrity: sha512-Bmh9KX31Vlxa13+PqPvt4RzKRN1XORYSLlAE+sO1i28NkisGbTtSLFVB3l7PWdHtR3E0mVMuC7JilWJ99m2HxQ==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
-  '@typescript-eslint/typescript-estree@8.48.1':
+  '@typescript-eslint/typescript-estree@8.53.0':
-    resolution: {integrity: sha512-/9wQ4PqaefTK6POVTjJaYS0bynCgzh6ClJHGSBj06XEHjkfylzB+A3qvyaXnErEZSaxhIo4YdyBgq6j4RysxDg==}
+    resolution: {integrity: sha512-pw0c0Gdo7Z4xOG987u3nJ8akL9093yEEKv8QTJ+Bhkghj1xyj8cgPaavlr9rq8h7+s6plUJ4QJYw2gCZodqmGw==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       typescript: '>=4.8.4 <6.0.0'
 
-  '@typescript-eslint/utils@8.48.1':
+  '@typescript-eslint/utils@8.53.0':
-    resolution: {integrity: sha512-fAnhLrDjiVfey5wwFRwrweyRlCmdz5ZxXz2G/4cLn0YDLjTapmN4gcCsTBR1N2rWnZSDeWpYtgLDsJt+FpmcwA==}
+    resolution: {integrity: sha512-XDY4mXTez3Z1iRDI5mbRhH4DFSt46oaIFsLg+Zn97+sYrXACziXSQcSelMybnVZ5pa1P6xYkPr5cMJyunM1ZDA==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       eslint: ^8.57.0 || ^9.0.0
       typescript: '>=4.8.4 <6.0.0'
 
-  '@typescript-eslint/visitor-keys@8.48.1':
+  '@typescript-eslint/visitor-keys@8.53.0':
-    resolution: {integrity: sha512-BmxxndzEWhE4TIEEMBs8lP3MBWN3jFPs/p6gPm/wkv02o41hI6cq9AuSmGAaTTHPtA1FTi2jBre4A9rm5ZmX+Q==}
+    resolution: {integrity: sha512-LZ2NqIHFhvFwxG0qZeLL9DvdNAHPGCY5dIRwBhyYeU+LfLhcStE1ImjsuTG/WaVh3XysGaeLW8Rqq7cGkPCFvw==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
 
   '@vitejs/plugin-react@5.1.2':
     resolution: {integrity: sha512-EcA07pHJouywpzsoTUqNh5NwGayl2PPVEJKUSinGGSxFGYn+shYbqMGBg6FXDqgXum9Ou/ecb+411ssw8HImJQ==}
     engines: {node: ^20.19.0 || >=22.12.0}
     peerDependencies:
-      vite: ^4.2.0 || ^5.0.0 || ^6.0.0 || ^7.0.0
+      vite: npm:rolldown-vite@7.2.5
 
   acorn-jsx@5.3.2:
     resolution: {integrity: sha512-rq9s+JNhf0IChjtDXxllJ7g41oZk5SlXtp0LHwyA5cejwn7vKmKp4pPri6YEePv2PU65sAsegbXtIinmDFDXgQ==}
@@ -646,9 +652,6 @@ packages:
     resolution: {integrity: sha512-c/c15i26VrJ4IRt5Z89DnIzCGDn9EcebibhAOjw5ibqEHsE1wLUgkPn9RDmNcUKyU87GeaL633nyJ+pplFR2ZQ==}
     engines: {node: '>=18'}
 
-  graphemer@1.4.0:
-    resolution: {integrity: sha512-EtKwoO6kxCL9WO5xipiHTZlSzBm7WLT627TqC/uVRd0HKmq8NXyebnNYxDoBi7wt8eTWrUrKXCOVaFq9x1kgag==}
-
   has-flag@4.0.0:
     resolution: {integrity: sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==}
     engines: {node: '>=8'}
@@ -981,8 +984,8 @@ packages:
     resolution: {integrity: sha512-j2Zq4NyQYG5XMST4cbs02Ak8iJUdxRM0XI5QyxXuZOzKOINmWurp3smXu3y5wDcJrptwpSjgXHzIQxR0omXljQ==}
     engines: {node: '>=12.0.0'}
 
-  ts-api-utils@2.1.0:
+  ts-api-utils@2.4.0:
-    resolution: {integrity: sha512-CUgTZL1irw8u29bzrOD/nH85jqyc74D6SshFgujOIA7osm2Rz7dYH77agkx7H4FBNxDq7Cjf+IjaX/8zwFW+ZQ==}
+    resolution: {integrity: sha512-3TaVTaAv2gTiMB35i3FiGJaRfwb3Pyn/j3m/bfAvGe8FB7CF6u+LMYqYlDh7reQf7UNvoTvdfAqHGmPGOSsPmA==}
     engines: {node: '>=18.12'}
     peerDependencies:
       typescript: '>=4.8.4'
@@ -1004,8 +1007,8 @@ packages:
     resolution: {integrity: sha512-XleUoc9uwGXqjWwXaUTZAmzMcFZ5858QA2vvx1Ur5xIcixXIP+8LnFDgRplU30us6teqdlskFfu+ae4K79Ooew==}
     engines: {node: '>= 0.8.0'}
 
-  typescript-eslint@8.48.1:
+  typescript-eslint@8.53.0:
-    resolution: {integrity: sha512-FbOKN1fqNoXp1hIl5KYpObVrp0mCn+CLgn479nmu2IsRMrx2vyv74MmsBLVlhg8qVwNFGbXSp8fh1zp8pEoC2A==}
+    resolution: {integrity: sha512-xHURCQNxZ1dsWn0sdOaOfCSQG0HKeqSj9OexIxrz6ypU6wHYOdX2I3D2b8s8wFSsSOYJb+6q283cLiLlkEsBYw==}
     engines: {node: ^18.18.0 || ^20.9.0 || >=21.1.0}
     peerDependencies:
       eslint: ^8.57.0 || ^9.0.0
@@ -1190,6 +1193,11 @@ snapshots:
       eslint: 9.39.1
       eslint-visitor-keys: 3.4.3
 
+  '@eslint-community/eslint-utils@4.9.1(eslint@9.39.1)':
+    dependencies:
+      eslint: 9.39.1
+      eslint-visitor-keys: 3.4.3
+
   '@eslint-community/regexpp@4.12.2': {}
 
   '@eslint/config-array@0.21.1':
@@ -1362,96 +1370,95 @@ snapshots:
     dependencies:
       csstype: 3.2.3
 
-  '@typescript-eslint/eslint-plugin@8.48.1(@typescript-eslint/parser@8.48.1(eslint@9.39.1)(typescript@5.9.3))(eslint@9.39.1)(typescript@5.9.3)':
+  '@typescript-eslint/eslint-plugin@8.53.0(@typescript-eslint/parser@8.53.0(eslint@9.39.1)(typescript@5.9.3))(eslint@9.39.1)(typescript@5.9.3)':
     dependencies:
       '@eslint-community/regexpp': 4.12.2
-      '@typescript-eslint/parser': 8.48.1(eslint@9.39.1)(typescript@5.9.3)
+      '@typescript-eslint/parser': 8.53.0(eslint@9.39.1)(typescript@5.9.3)
-      '@typescript-eslint/scope-manager': 8.48.1
+      '@typescript-eslint/scope-manager': 8.53.0
-      '@typescript-eslint/type-utils': 8.48.1(eslint@9.39.1)(typescript@5.9.3)
+      '@typescript-eslint/type-utils': 8.53.0(eslint@9.39.1)(typescript@5.9.3)
-      '@typescript-eslint/utils': 8.48.1(eslint@9.39.1)(typescript@5.9.3)
+      '@typescript-eslint/utils': 8.53.0(eslint@9.39.1)(typescript@5.9.3)
-      '@typescript-eslint/visitor-keys': 8.48.1
+      '@typescript-eslint/visitor-keys': 8.53.0
       eslint: 9.39.1
-      graphemer: 1.4.0
       ignore: 7.0.5
       natural-compare: 1.4.0
-      ts-api-utils: 2.1.0(typescript@5.9.3)
+      ts-api-utils: 2.4.0(typescript@5.9.3)
       typescript: 5.9.3
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/parser@8.48.1(eslint@9.39.1)(typescript@5.9.3)':
+  '@typescript-eslint/parser@8.53.0(eslint@9.39.1)(typescript@5.9.3)':
     dependencies:
-      '@typescript-eslint/scope-manager': 8.48.1
+      '@typescript-eslint/scope-manager': 8.53.0
-      '@typescript-eslint/types': 8.48.1
+      '@typescript-eslint/types': 8.53.0
-      '@typescript-eslint/typescript-estree': 8.48.1(typescript@5.9.3)
+      '@typescript-eslint/typescript-estree': 8.53.0(typescript@5.9.3)
-      '@typescript-eslint/visitor-keys': 8.48.1
+      '@typescript-eslint/visitor-keys': 8.53.0
       debug: 4.4.3
       eslint: 9.39.1
       typescript: 5.9.3
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/project-service@8.48.1(typescript@5.9.3)':
+  '@typescript-eslint/project-service@8.53.0(typescript@5.9.3)':
     dependencies:
-      '@typescript-eslint/tsconfig-utils': 8.48.1(typescript@5.9.3)
+      '@typescript-eslint/tsconfig-utils': 8.53.0(typescript@5.9.3)
-      '@typescript-eslint/types': 8.48.1
+      '@typescript-eslint/types': 8.53.0
       debug: 4.4.3
       typescript: 5.9.3
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/scope-manager@8.48.1':
+  '@typescript-eslint/scope-manager@8.53.0':
     dependencies:
-      '@typescript-eslint/types': 8.48.1
+      '@typescript-eslint/types': 8.53.0
-      '@typescript-eslint/visitor-keys': 8.48.1
+      '@typescript-eslint/visitor-keys': 8.53.0
 
-  '@typescript-eslint/tsconfig-utils@8.48.1(typescript@5.9.3)':
+  '@typescript-eslint/tsconfig-utils@8.53.0(typescript@5.9.3)':
     dependencies:
       typescript: 5.9.3
 
-  '@typescript-eslint/type-utils@8.48.1(eslint@9.39.1)(typescript@5.9.3)':
+  '@typescript-eslint/type-utils@8.53.0(eslint@9.39.1)(typescript@5.9.3)':
     dependencies:
-      '@typescript-eslint/types': 8.48.1
+      '@typescript-eslint/types': 8.53.0
-      '@typescript-eslint/typescript-estree': 8.48.1(typescript@5.9.3)
+      '@typescript-eslint/typescript-estree': 8.53.0(typescript@5.9.3)
-      '@typescript-eslint/utils': 8.48.1(eslint@9.39.1)(typescript@5.9.3)
+      '@typescript-eslint/utils': 8.53.0(eslint@9.39.1)(typescript@5.9.3)
       debug: 4.4.3
       eslint: 9.39.1
-      ts-api-utils: 2.1.0(typescript@5.9.3)
+      ts-api-utils: 2.4.0(typescript@5.9.3)
       typescript: 5.9.3
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/types@8.48.1': {}
+  '@typescript-eslint/types@8.53.0': {}
 
-  '@typescript-eslint/typescript-estree@8.48.1(typescript@5.9.3)':
+  '@typescript-eslint/typescript-estree@8.53.0(typescript@5.9.3)':
     dependencies:
-      '@typescript-eslint/project-service': 8.48.1(typescript@5.9.3)
+      '@typescript-eslint/project-service': 8.53.0(typescript@5.9.3)
-      '@typescript-eslint/tsconfig-utils': 8.48.1(typescript@5.9.3)
+      '@typescript-eslint/tsconfig-utils': 8.53.0(typescript@5.9.3)
-      '@typescript-eslint/types': 8.48.1
+      '@typescript-eslint/types': 8.53.0
-      '@typescript-eslint/visitor-keys': 8.48.1
+      '@typescript-eslint/visitor-keys': 8.53.0
       debug: 4.4.3
       minimatch: 9.0.5
       semver: 7.7.3
       tinyglobby: 0.2.15
-      ts-api-utils: 2.1.0(typescript@5.9.3)
+      ts-api-utils: 2.4.0(typescript@5.9.3)
       typescript: 5.9.3
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/utils@8.48.1(eslint@9.39.1)(typescript@5.9.3)':
+  '@typescript-eslint/utils@8.53.0(eslint@9.39.1)(typescript@5.9.3)':
     dependencies:
-      '@eslint-community/eslint-utils': 4.9.0(eslint@9.39.1)
+      '@eslint-community/eslint-utils': 4.9.1(eslint@9.39.1)
-      '@typescript-eslint/scope-manager': 8.48.1
+      '@typescript-eslint/scope-manager': 8.53.0
-      '@typescript-eslint/types': 8.48.1
+      '@typescript-eslint/types': 8.53.0
-      '@typescript-eslint/typescript-estree': 8.48.1(typescript@5.9.3)
+      '@typescript-eslint/typescript-estree': 8.53.0(typescript@5.9.3)
       eslint: 9.39.1
       typescript: 5.9.3
     transitivePeerDependencies:
       - supports-color
 
-  '@typescript-eslint/visitor-keys@8.48.1':
+  '@typescript-eslint/visitor-keys@8.53.0':
     dependencies:
-      '@typescript-eslint/types': 8.48.1
+      '@typescript-eslint/types': 8.53.0
       eslint-visitor-keys: 4.2.1
 
   '@vitejs/plugin-react@5.1.2(rolldown-vite@7.2.5(@types/node@24.10.1))':
@@ -1677,8 +1684,6 @@ snapshots:
 
   globals@16.5.0: {}
 
-  graphemer@1.4.0: {}
-
   has-flag@4.0.0: {}
 
   hermes-estree@0.25.1: {}
@@ -1930,7 +1935,7 @@ snapshots:
       fdir: 6.5.0(picomatch@4.0.3)
       picomatch: 4.0.3
 
-  ts-api-utils@2.1.0(typescript@5.9.3):
+  ts-api-utils@2.4.0(typescript@5.9.3):
     dependencies:
       typescript: 5.9.3
 
@@ -1956,12 +1961,12 @@ snapshots:
     dependencies:
       prelude-ls: 1.2.1
 
-  typescript-eslint@8.48.1(eslint@9.39.1)(typescript@5.9.3):
+  typescript-eslint@8.53.0(eslint@9.39.1)(typescript@5.9.3):
     dependencies:
-      '@typescript-eslint/eslint-plugin': 8.48.1(@typescript-eslint/parser@8.48.1(eslint@9.39.1)(typescript@5.9.3))(eslint@9.39.1)(typescript@5.9.3)
+      '@typescript-eslint/eslint-plugin': 8.53.0(@typescript-eslint/parser@8.53.0(eslint@9.39.1)(typescript@5.9.3))(eslint@9.39.1)(typescript@5.9.3)
-      '@typescript-eslint/parser': 8.48.1(eslint@9.39.1)(typescript@5.9.3)
+      '@typescript-eslint/parser': 8.53.0(eslint@9.39.1)(typescript@5.9.3)
-      '@typescript-eslint/typescript-estree': 8.48.1(typescript@5.9.3)
+      '@typescript-eslint/typescript-estree': 8.53.0(typescript@5.9.3)
-      '@typescript-eslint/utils': 8.48.1(eslint@9.39.1)(typescript@5.9.3)
+      '@typescript-eslint/utils': 8.53.0(eslint@9.39.1)(typescript@5.9.3)
       eslint: 9.39.1
       typescript: 5.9.3
     transitivePeerDependencies:

frontend/src/App.tsx

@@ -41,6 +41,15 @@ function App() {
     _setTheme(ev.data as string);
   };
 
+  const addToast = useCallback((message: string, type: ToastType = "info") => {
+    const id = Date.now();
+    setToasts((prev) => [...prev, { id, message, type }]);
+  }, []);
+
+  const removeToast = (id: number) => {
+    setToasts((prev) => prev.filter((t) => t.id !== id));
+  };
+
   useEffect(() => {
     if (theme !== "default" && theme !== "sakura") {
       document.body.classList.remove("sakura-theme");
@@ -73,15 +82,6 @@ function App() {
     return () => window.removeEventListener("unauthorized", handleUnauthorized);
   }, [addToast]);
 
-  const addToast = useCallback((message: string, type: ToastType = "info") => {
-    const id = Date.now();
-    setToasts((prev) => [...prev, { id, message, type }]);
-  }, []);
-
-  const removeToast = (id: number) => {
-    setToasts((prev) => prev.filter((t) => t.id !== id));
-  };
-
   const fetchPeople = () => {
     if (!token) return;
     setIsLoading(true);

frontend/src/Login.tsx

@@ -1,4 +1,4 @@
-import { useState } from "react";
+import { useState, useRef, useEffect } from "react";
 import { LoginRequest, LoginResponse } from "../items";
 
 interface LoginProps {
@@ -6,11 +6,18 @@ interface LoginProps {
 }
 
 export function Login({ onLogin }: LoginProps) {
+  const usernameInputRef = useRef<HTMLInputElement>(null);
   const [username, setUsername] = useState("");
   const [password, setPassword] = useState("");
   const [error, setError] = useState("");
   const [isSubmitting, setIsSubmitting] = useState(false);
   const [fieldErrors, setFieldErrors] = useState<{ username?: string, password?: string }>({});
+  const [isSuccess, setIsSuccess] = useState(false);
+  const [shakeCard, setShakeCard] = useState(false);
+
+  useEffect(() => {
+    usernameInputRef.current?.focus();
+  }, []);
 
   const validateForm = () => {
     const errors: { username?: string, password?: string } = {};
@@ -24,7 +31,11 @@ export function Login({ onLogin }: LoginProps) {
     e.preventDefault();
     setError("");
 
-    if (!validateForm()) return;
+    if (!validateForm()) {
+      setShakeCard(true);
+      setTimeout(() => setShakeCard(false), 500);
+      return;
+    }
 
     setIsSubmitting(true);
 
@@ -44,45 +55,232 @@ export function Login({ onLogin }: LoginProps) {
       const response = LoginResponse.decode(new Uint8Array(buffer));
 
       if (response.success) {
+        setIsSuccess(true);
         onLogin(response.token);
       } else {
         setError(response.message || "Login failed");
+        setShakeCard(true);
+        setTimeout(() => setShakeCard(false), 500);
       }
     } catch (err) {
       console.error("Login error:", err);
       setError("An unexpected error occurred. Please try again.");
+      setShakeCard(true);
+      setTimeout(() => setShakeCard(false), 500);
     } finally {
       setIsSubmitting(false);
     }
   };
 
+  const handleKeyDown = (e: React.KeyboardEvent) => {
+    if (e.key === "Enter") {
+      handleSubmit(e);
+    }
+  };
+
   return (
-    <div className="card" style={{ maxWidth: "400px", margin: "4rem auto" }}>
+    <div
-      <h2 style={{ textAlign: "center", marginBottom: "2rem" }}>🎮 Login</h2>
+      className="card login-card"
+      style={{
+        maxWidth: "420px",
+        margin: "6rem auto",
+        padding: "2.5rem",
+        background: "linear-gradient(135deg, var(--secondary-bg) 0%, var(--secondary-alt-bg) 100%)",
+        position: "relative"
+      }}
+    >
+      {isSubmitting && (
+        <div
+          style={{
+            position: "absolute",
+            top: 0,
+            left: 0,
+            right: 0,
+            bottom: 0,
+            backgroundColor: "rgba(0, 0, 0, 0.5)",
+            borderRadius: "16px",
+            display: "flex",
+            alignItems: "center",
+            justifyContent: "center",
+            zIndex: 10,
+            backdropFilter: "blur(2px)"
+          }}
+        >
+          <div
+            style={{
+              width: "48px",
+              height: "48px",
+              border: "4px solid rgba(255, 255, 255, 0.2)",
+              borderTopColor: "white",
+              borderRadius: "50%",
+              animation: "spin 0.8s linear infinite"
+            }}
+          />
+        </div>
+      )}
+
+      {isSuccess && (
+        <div
+          style={{
+            position: "absolute",
+            top: "50%",
+            left: "50%",
+            transform: "translate(-50%, -50%)",
+            display: "flex",
+            flexDirection: "column",
+            alignItems: "center",
+            gap: "1rem",
+            animation: "fadeInScale 0.5s ease forwards",
+            zIndex: 10
+          }}
+        >
+          <div
+            style={{
+              width: "64px",
+              height: "64px",
+              borderRadius: "50%",
+              backgroundColor: "#4caf50",
+              display: "flex",
+              alignItems: "center",
+              justifyContent: "center",
+              fontSize: "2rem",
+              color: "white",
+              boxShadow: "0 0 20px rgba(76, 175, 80, 0.5)"
+            }}
+          >
+            ✓
+          </div>
+          <span style={{ color: "#4caf50", fontWeight: 600, fontSize: "1.1rem" }}>
+            Success!
+          </span>
+        </div>
+      )}
+
+      <h2
+        style={{
+          textAlign: "center",
+          marginBottom: "0.5rem",
+          fontSize: "2rem",
+          fontWeight: 700
+        }}
+      >
+        🎮 Login
+      </h2>
+      <p
+        style={{
+          textAlign: "center",
+          color: "var(--text-muted)",
+          marginBottom: "2rem",
+          fontSize: "0.95rem"
+        }}
+      >
+        Welcome back! Please sign in to continue.
+      </p>
+
       <form onSubmit={handleSubmit} className="form-group">
-        <div className="form-group">
+        <div className="form-group" style={{ marginBottom: "1.5rem" }}>
-          <label>Username</label>
+          <label
+            style={{
+              display: "block",
+              marginBottom: "0.5rem",
+              fontWeight: 500,
+              color: "var(--text-color)",
+              fontSize: "0.95rem"
+            }}
+          >
+            Username
+          </label>
+          <div
+            style={{
+              position: "relative",
+              display: "flex",
+              alignItems: "center"
+            }}
+          >
+            <span
+              style={{
+                position: "absolute",
+                left: "0.75rem",
+                color: "var(--text-muted)",
+                pointerEvents: "none",
+                fontSize: "1.1rem"
+              }}
+            >
+              👤
+            </span>
             <input
+              ref={usernameInputRef}
               type="text"
               value={username}
               onChange={(e) => {
                 setUsername(e.target.value);
                 if (fieldErrors.username) setFieldErrors({ ...fieldErrors, username: undefined });
               }}
+              onKeyDown={handleKeyDown}
               placeholder="Enter your username"
+              aria-label="Username"
+              aria-invalid={!!fieldErrors.username}
+              aria-describedby={fieldErrors.username ? "username-error" : undefined}
               style={{
+                width: "100%",
+                paddingLeft: "2.75rem",
+                paddingRight: "0.75rem",
+                paddingTop: "0.75rem",
+                paddingBottom: "0.75rem",
                 borderColor: fieldErrors.username ? "#f44336" : undefined,
-              borderWidth: fieldErrors.username ? "2px" : undefined
+                borderWidth: fieldErrors.username ? "2px" : "1px",
+                fontSize: "1rem"
               }}
             />
+          </div>
           {fieldErrors.username && (
-            <span style={{ color: "#f44336", fontSize: "0.85rem", marginTop: "0.25rem", display: "block" }}>
+            <span
-              {fieldErrors.username}
+              id="username-error"
+              role="alert"
+              style={{
+                color: "#ff6b6b",
+                fontSize: "0.85rem",
+                marginTop: "0.5rem",
+                display: "flex",
+                alignItems: "center",
+                gap: "0.25rem"
+              }}
+            >
+              ⚠️ {fieldErrors.username}
             </span>
           )}
         </div>
-        <div className="form-group">
+
-          <label>Password</label>
+        <div className="form-group" style={{ marginBottom: "2rem" }}>
+          <label
+            style={{
+              display: "block",
+              marginBottom: "0.5rem",
+              fontWeight: 500,
+              color: "var(--text-color)",
+              fontSize: "0.95rem"
+            }}
+          >
+            Password
+          </label>
+          <div
+            style={{
+              position: "relative",
+              display: "flex",
+              alignItems: "center"
+            }}
+          >
+            <span
+              style={{
+                position: "absolute",
+                left: "0.75rem",
+                color: "var(--text-muted)",
+                pointerEvents: "none",
+                fontSize: "1.1rem"
+              }}
+            >
+              🔒
+            </span>
             <input
               type="password"
               value={password}
@@ -90,64 +288,131 @@ export function Login({ onLogin }: LoginProps) {
                 setPassword(e.target.value);
                 if (fieldErrors.password) setFieldErrors({ ...fieldErrors, password: undefined });
               }}
+              onKeyDown={handleKeyDown}
               placeholder="Enter your password"
+              aria-label="Password"
+              aria-invalid={!!fieldErrors.password}
+              aria-describedby={fieldErrors.password ? "password-error" : undefined}
               style={{
+                width: "100%",
+                paddingLeft: "2.75rem",
+                paddingRight: "0.75rem",
+                paddingTop: "0.75rem",
+                paddingBottom: "0.75rem",
                 borderColor: fieldErrors.password ? "#f44336" : undefined,
-              borderWidth: fieldErrors.password ? "2px" : undefined
+                borderWidth: fieldErrors.password ? "2px" : "1px",
+                fontSize: "1rem"
               }}
             />
+          </div>
           {fieldErrors.password && (
-            <span style={{ color: "#f44336", fontSize: "0.85rem", marginTop: "0.25rem", display: "block" }}>
+            <span
-              {fieldErrors.password}
+              id="password-error"
+              role="alert"
+              style={{
+                color: "#ff6b6b",
+                fontSize: "0.85rem",
+                marginTop: "0.5rem",
+                display: "flex",
+                alignItems: "center",
+                gap: "0.25rem"
+              }}
+            >
+              ⚠️ {fieldErrors.password}
             </span>
           )}
         </div>
+
         <button
           type="submit"
-          style={{ marginTop: "1rem", width: "100%", opacity: isSubmitting ? 0.7 : 1, cursor: isSubmitting ? "not-allowed" : "pointer" }}
-          disabled={isSubmitting}
-        >
-          {isSubmitting ? (
-            <>
-              <span
           style={{
-                  width: "14px",
+            marginTop: "0.5rem",
-                  height: "14px",
+            width: "100%",
-                  border: "2px solid rgba(255,255,255,0.3)",
+            padding: "0.875rem",
-                  borderTopColor: "white",
+            fontSize: "1rem",
-                  borderRadius: "50%",
+            fontWeight: 600,
-                  animation: "spin 0.8s linear infinite",
+            opacity: isSubmitting ? 0.7 : 1,
-                  display: "inline-block",
+            cursor: isSubmitting ? "not-allowed" : "pointer",
-                  marginRight: "0.5rem"
+            background: "linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-accent) 100%)",
+            border: "none",
+            transition: "transform 0.1s, box-shadow 0.2s"
           }}
-              ></span>
+          disabled={isSubmitting}
-              Logging in...
+          onMouseEnter={(e) => {
-            </>
+            if (!isSubmitting) {
-          ) : (
+              e.currentTarget.style.transform = "translateY(-1px)";
-            "Login"
+              e.currentTarget.style.boxShadow = "0 4px 12px rgba(9, 109, 192, 0.4)";
-          )}
+            }
+          }}
+          onMouseLeave={(e) => {
+            if (!isSubmitting) {
+              e.currentTarget.style.transform = "translateY(0)";
+              e.currentTarget.style.boxShadow = "none";
+            }
+          }}
+          onMouseDown={(e) => {
+            if (!isSubmitting) {
+              e.currentTarget.style.transform = "translateY(0)";
+            }
+          }}
+        >
+          Login
         </button>
       </form>
+
       {error && (
         <div
+          role="alert"
           style={{
-            backgroundColor: "rgba(244, 67, 54, 0.1)",
+            backgroundColor: "rgba(244, 67, 54, 0.15)",
-            border: "1px solid rgba(244, 67, 54, 0.3)",
+            border: "1px solid rgba(244, 67, 54, 0.4)",
             color: "#ff6b6b",
-            padding: "1rem",
+            padding: "0.875rem 1rem",
             borderRadius: "8px",
-            marginTop: "1rem",
+            marginTop: "1.5rem",
             textAlign: "center",
-            fontSize: "0.9rem"
+            fontSize: "0.9rem",
+            display: "flex",
+            alignItems: "center",
+            justifyContent: "center",
+            gap: "0.5rem"
           }}
         >
           ⚠️ {error}
         </div>
       )}
+
       <style>{`
         @keyframes spin {
           to { transform: rotate(360deg); }
         }
+
+        @keyframes fadeInScale {
+          from {
+            opacity: 0;
+            transform: translate(-50%, -40%) scale(0.8);
+          }
+          to {
+            opacity: 1;
+            transform: translate(-50%, -50%) scale(1);
+          }
+        }
+
+        .login-card {
+          animation: ${shakeCard ? "shake 0.5s ease" : "none"};
+        }
+
+        @keyframes shake {
+          0%, 100% {
+            transform: translateX(0);
+          }
+          20%, 60% {
+            transform: translateX(-8px);
+          }
+          40%, 80% {
+            transform: translateX(8px);
+          }
+        }
       `}</style>
     </div>
   );