diff --git a/package-lock.json b/package-lock.json
index ac5652c..9012573 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,6 +21,7 @@
         "clsx": "^2.1.1",
         "lucide-react": "^0.525.0",
         "next": "15.3.5",
+        "next-auth": "^5.0.0-beta.29",
         "next-themes": "^0.4.6",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
@@ -71,6 +72,35 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/@auth/core": {
+      "version": "0.40.0",
+      "resolved": "https://registry.npmjs.org/@auth/core/-/core-0.40.0.tgz",
+      "integrity": "sha512-n53uJE0RH5SqZ7N1xZoMKekbHfQgjd0sAEyUbE+IYJnmuQkbvuZnXItCU7d+i7Fj8VGOgqvNO7Mw4YfBTlZeQw==",
+      "license": "ISC",
+      "dependencies": {
+        "@panva/hkdf": "^1.2.1",
+        "jose": "^6.0.6",
+        "oauth4webapi": "^3.3.0",
+        "preact": "10.24.3",
+        "preact-render-to-string": "6.5.11"
+      },
+      "peerDependencies": {
+        "@simplewebauthn/browser": "^9.0.1",
+        "@simplewebauthn/server": "^9.0.2",
+        "nodemailer": "^6.8.0"
+      },
+      "peerDependenciesMeta": {
+        "@simplewebauthn/browser": {
+          "optional": true
+        },
+        "@simplewebauthn/server": {
+          "optional": true
+        },
+        "nodemailer": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@emnapi/core": {
       "version": "1.4.3",
       "resolved": "https://registry.npmjs.org/@emnapi/core/-/core-1.4.3.tgz",
@@ -1027,6 +1057,15 @@
         "node": ">=12.4.0"
       }
     },
+    "node_modules/@panva/hkdf": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@panva/hkdf/-/hkdf-1.2.1.tgz",
+      "integrity": "sha512-6oclG6Y3PiDFcoyk8srjLfVKyMfVCKJ27JwNPViuXziFpmdz+MZnZN/aKY0JGXgYuO/VghU0jcOAZgWXZ1Dmrw==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
+    },
     "node_modules/@pkgr/core": {
       "version": "0.2.7",
       "resolved": "https://registry.npmjs.org/@pkgr/core/-/core-0.2.7.tgz",
@@ -5135,6 +5174,15 @@
         "jiti": "lib/jiti-cli.mjs"
       }
     },
+    "node_modules/jose": {
+      "version": "6.0.11",
+      "resolved": "https://registry.npmjs.org/jose/-/jose-6.0.11.tgz",
+      "integrity": "sha512-QxG7EaliDARm1O1S8BGakqncGT9s25bKL1WSf6/oa17Tkqwi8D2ZNglqCF+DsYF88/rV66Q/Q2mFAy697E1DUg==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -5741,6 +5789,33 @@
         }
       }
     },
+    "node_modules/next-auth": {
+      "version": "5.0.0-beta.29",
+      "resolved": "https://registry.npmjs.org/next-auth/-/next-auth-5.0.0-beta.29.tgz",
+      "integrity": "sha512-Ukpnuk3NMc/LiOl32njZPySk7pABEzbjhMUFd5/n10I0ZNC7NCuVv8IY2JgbDek2t/PUOifQEoUiOOTLy4os5A==",
+      "license": "ISC",
+      "dependencies": {
+        "@auth/core": "0.40.0"
+      },
+      "peerDependencies": {
+        "@simplewebauthn/browser": "^9.0.1",
+        "@simplewebauthn/server": "^9.0.2",
+        "next": "^14.0.0-0 || ^15.0.0-0",
+        "nodemailer": "^6.6.5",
+        "react": "^18.2.0 || ^19.0.0-0"
+      },
+      "peerDependenciesMeta": {
+        "@simplewebauthn/browser": {
+          "optional": true
+        },
+        "@simplewebauthn/server": {
+          "optional": true
+        },
+        "nodemailer": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/next-themes": {
       "version": "0.4.6",
       "resolved": "https://registry.npmjs.org/next-themes/-/next-themes-0.4.6.tgz",
@@ -5779,6 +5854,15 @@
         "node": "^10 || ^12 || >=14"
       }
     },
+    "node_modules/oauth4webapi": {
+      "version": "3.5.5",
+      "resolved": "https://registry.npmjs.org/oauth4webapi/-/oauth4webapi-3.5.5.tgz",
+      "integrity": "sha512-1K88D2GiAydGblHo39NBro5TebGXa+7tYoyIbxvqv3+haDDry7CBE1eSYuNbOSsYCCU6y0gdynVZAkm4YPw4hg==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
+    },
     "node_modules/object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
@@ -6068,6 +6152,25 @@
         "node": "^10 || ^12 || >=14"
       }
     },
+    "node_modules/preact": {
+      "version": "10.24.3",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.24.3.tgz",
+      "integrity": "sha512-Z2dPnBnMUfyQfSQ+GBdsGa16hz35YmLmtTLhM169uW944hYL6xzTYkJjC07j+Wosz733pMWx0fgON3JNw1jJQA==",
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/preact"
+      }
+    },
+    "node_modules/preact-render-to-string": {
+      "version": "6.5.11",
+      "resolved": "https://registry.npmjs.org/preact-render-to-string/-/preact-render-to-string-6.5.11.tgz",
+      "integrity": "sha512-ubnauqoGczeGISiOh6RjX0/cdaF8v/oDXIjO85XALCQjwQP+SB4RDXXtvZ6yTYSjG+PC1QRP2AhPgCEsM2EvUw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "preact": ">=10"
+      }
+    },
     "node_modules/prelude-ls": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
diff --git a/package.json b/package.json
index a5f9abe..2fb6f18 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "dev": "next dev --turbopack",
+    "dev": "PORT=3001 NODE_OPTIONS='--max-old-space-size=4096' next dev --turbopack",
     "build": "next build",
     "start": "next start",
     "lint": "next lint"
@@ -22,6 +22,7 @@
     "clsx": "^2.1.1",
     "lucide-react": "^0.525.0",
     "next": "15.3.5",
+    "next-auth": "^5.0.0-beta.29",
     "next-themes": "^0.4.6",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
diff --git a/src/app/api/auth/[...nextauth]/route.ts b/src/app/api/auth/[...nextauth]/route.ts
new file mode 100644
index 0000000..0eebb94
--- /dev/null
+++ b/src/app/api/auth/[...nextauth]/route.ts
@@ -0,0 +1,2 @@
+import { handlers } from "@/auth"
+export const { GET, POST } = handlers
\ No newline at end of file
diff --git a/src/app/globals.css b/src/app/globals.css
index 156c9b4..b082f05 100644
--- a/src/app/globals.css
+++ b/src/app/globals.css
@@ -110,6 +110,558 @@
   --sidebar-ring: oklch(0.541 0.281 293.009);
 }
 
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+}
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+}
+
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+}
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+  --accent: oklch(0.274 0.006 286.033);
+  --accent-foreground: oklch(0.985 0 0);
+  --destructive: oklch(0.704 0.191 22.216);
+  --border: oklch(1 0 0 / 10%);
+  --input: oklch(1 0 0 / 15%);
+  --ring: oklch(0.646 0.222 41.116);
+  --chart-1: oklch(0.488 0.243 264.376);
+  --chart-2: oklch(0.696 0.17 162.48);
+  --chart-3: oklch(0.769 0.188 70.08);
+  --chart-4: oklch(0.627 0.265 303.9);
+  --chart-5: oklch(0.645 0.246 16.439);
+  --sidebar: oklch(0.21 0.006 285.885);
+  --sidebar-foreground: oklch(0.985 0 0);
+  --sidebar-primary: oklch(0.646 0.222 41.116);
+  --sidebar-primary-foreground: oklch(0.98 0.016 73.684);
+  --sidebar-accent: oklch(0.274 0.006 286.033);
+  --sidebar-accent-foreground: oklch(0.985 0 0);
+  --sidebar-border: oklch(1 0 0 / 10%);
+  --sidebar-ring: oklch(0.646 0.222 41.116);
+}
+
+.light-green {
+  --radius: 0.65rem;
+  --background: oklch(1 0 0);
+  --foreground: oklch(0.141 0.005 285.823);
+  --card: oklch(1 0 0);
+  --card-foreground: oklch(0.141 0.005 285.823);
+  --popover: oklch(1 0 0);
+  --popover-foreground: oklch(0.141 0.005 285.823);
+  --primary: oklch(0.723 0.219 149.579);
+  --primary-foreground: oklch(0.982 0.018 155.826);
+  --secondary: oklch(0.967 0.001 286.375);
+  --secondary-foreground: oklch(0.21 0.006 285.885);
+  --muted: oklch(0.967 0.001 286.375);
+  --muted-foreground: oklch(0.552 0.016 285.938);
+  --accent: oklch(0.967 0.001 286.375);
+  --accent-foreground: oklch(0.21 0.006 285.885);
+  --destructive: oklch(0.577 0.245 27.325);
+  --border: oklch(0.92 0.004 286.32);
+  --input: oklch(0.92 0.004 286.32);
+  --ring: oklch(0.723 0.219 149.579);
+  --chart-1: oklch(0.646 0.222 41.116);
+  --chart-2: oklch(0.6 0.118 184.704);
+  --chart-3: oklch(0.398 0.07 227.392);
+  --chart-4: oklch(0.828 0.189 84.429);
+  --chart-5: oklch(0.769 0.188 70.08);
+  --sidebar: oklch(0.985 0 0);
+  --sidebar-foreground: oklch(0.141 0.005 285.823);
+  --sidebar-primary: oklch(0.723 0.219 149.579);
+  --sidebar-primary-foreground: oklch(0.982 0.018 155.826);
+  --sidebar-accent: oklch(0.967 0.001 286.375);
+  --sidebar-accent-foreground: oklch(0.21 0.006 285.885);
+  --sidebar-border: oklch(0.92 0.004 286.32);
+  --sidebar-ring: oklch(0.723 0.219 149.579);
+}
+
+.dark-green {
+  --background: oklch(0.141 0.005 285.823);
+  --foreground: oklch(0.985 0 0);
+  --card: oklch(0.21 0.006 285.885);
+  --card-foreground: oklch(0.985 0 0);
+  --popover: oklch(0.21 0.006 285.885);
+  --popover-foreground: oklch(0.985 0 0);
+  --primary: oklch(0.696 0.17 162.48);
+  --primary-foreground: oklch(0.393 0.095 152.535);
+  --secondary: oklch(0.274 0.006 286.033);
+  --secondary-foreground: oklch(0.985 0 0);
+  --muted: oklch(0.274 0.006 286.033);
+  --muted-foreground: oklch(0.705 0.015 286.067);
+  --accent: oklch(0.274 0.006 286.033);
+  --accent-foreground: oklch(0.985 0 0);
+  --destructive: oklch(0.704 0.191 22.216);
+  --border: oklch(1 0 0 / 10%);
+  --input: oklch(1 0 0 / 15%);
+  --ring: oklch(0.527 0.154 150.069);
+  --chart-1: oklch(0.488 0.243 264.376);
+  --chart-2: oklch(0.696 0.17 162.48);
+  --chart-3: oklch(0.769 0.188 70.08);
+  --chart-4: oklch(0.627 0.265 303.9);
+  --chart-5: oklch(0.645 0.246 16.439);
+  --sidebar: oklch(0.21 0.006 285.885);
+  --sidebar-foreground: oklch(0.985 0 0);
+  --sidebar-primary: oklch(0.696 0.17 162.48);
+  --sidebar-primary-foreground: oklch(0.393 0.095 152.535);
+  --sidebar-accent: oklch(0.274 0.006 286.033);
+  --sidebar-accent-foreground: oklch(0.985 0 0);
+  --sidebar-border: oklch(1 0 0 / 10%);
+  --sidebar-ring: oklch(0.527 0.154 150.069);
+}
+
+.light-blue {
+  --radius: 0.65rem;
+  --background: oklch(1 0 0);
+  --foreground: oklch(0.141 0.005 285.823);
+  --card: oklch(1 0 0);
+  --card-foreground: oklch(0.141 0.005 285.823);
+  --popover: oklch(1 0 0);
+  --popover-foreground: oklch(0.141 0.005 285.823);
+  --primary: oklch(0.623 0.214 259.815);
+  --primary-foreground: oklch(0.97 0.014 254.604);
+  --secondary: oklch(0.967 0.001 286.375);
+  --secondary-foreground: oklch(0.21 0.006 285.885);
+  --muted: oklch(0.967 0.001 286.375);
+  --muted-foreground: oklch(0.552 0.016 285.938);
+  --accent: oklch(0.967 0.001 286.375);
+  --accent-foreground: oklch(0.21 0.006 285.885);
+  --destructive: oklch(0.577 0.245 27.325);
+  --border: oklch(0.92 0.004 286.32);
+  --input: oklch(0.92 0.004 286.32);
+  --ring: oklch(0.623 0.214 259.815);
+  --chart-1: oklch(0.646 0.222 41.116);
+  --chart-2: oklch(0.6 0.118 184.704);
+  --chart-3: oklch(0.398 0.07 227.392);
+  --chart-4: oklch(0.828 0.189 84.429);
+  --chart-5: oklch(0.769 0.188 70.08);
+  --sidebar: oklch(0.985 0 0);
+  --sidebar-foreground: oklch(0.141 0.005 285.823);
+  --sidebar-primary: oklch(0.623 0.214 259.815);
+  --sidebar-primary-foreground: oklch(0.97 0.014 254.604);
+  --sidebar-accent: oklch(0.967 0.001 286.375);
+  --sidebar-accent-foreground: oklch(0.21 0.006 285.885);
+  --sidebar-border: oklch(0.92 0.004 286.32);
+  --sidebar-ring: oklch(0.623 0.214 259.815);
+}
+
+.dark-blue {
+  --background: oklch(0.141 0.005 285.823);
+  --foreground: oklch(0.985 0 0);
+  --card: oklch(0.21 0.006 285.885);
+  --card-foreground: oklch(0.985 0 0);
+  --popover: oklch(0.21 0.006 285.885);
+  --popover-foreground: oklch(0.985 0 0);
+  --primary: oklch(0.546 0.245 262.881);
+  --primary-foreground: oklch(0.379 0.146 265.522);
+  --secondary: oklch(0.274 0.006 286.033);
+  --secondary-foreground: oklch(0.985 0 0);
+  --muted: oklch(0.274 0.006 286.033);
+  --muted-foreground: oklch(0.705 0.015 286.067);
+  --accent: oklch(0.274 0.006 286.033);
+  --accent-foreground: oklch(0.985 0 0);
+  --destructive: oklch(0.704 0.191 22.216);
+  --border: oklch(1 0 0 / 10%);
+  --input: oklch(1 0 0 / 15%);
+  --ring: oklch(0.488 0.243 264.376);
+  --chart-1: oklch(0.488 0.243 264.376);
+  --chart-2: oklch(0.696 0.17 162.48);
+  --chart-3: oklch(0.769 0.188 70.08);
+  --chart-4: oklch(0.627 0.265 303.9);
+  --chart-5: oklch(0.645 0.246 16.439);
+  --sidebar: oklch(0.21 0.006 285.885);
+  --sidebar-foreground: oklch(0.985 0 0);
+  --sidebar-primary: oklch(0.546 0.245 262.881);
+  --sidebar-primary-foreground: oklch(0.379 0.146 265.522);
+  --sidebar-accent: oklch(0.274 0.006 286.033);
+  --sidebar-accent-foreground: oklch(0.985 0 0);
+  --sidebar-border: oklch(1 0 0 / 10%);
+  --sidebar-ring: oklch(0.488 0.243 264.376);
+}
+
+.light-yellow {
+  --radius: 0.65rem;
+  --background: oklch(1 0 0);
+  --foreground: oklch(0.141 0.005 285.823);
+  --card: oklch(1 0 0);
+  --card-foreground: oklch(0.141 0.005 285.823);
+  --popover: oklch(1 0 0);
+  --popover-foreground: oklch(0.141 0.005 285.823);
+  --primary: oklch(0.795 0.184 86.047);
+  --primary-foreground: oklch(0.421 0.095 57.708);
+  --secondary: oklch(0.967 0.001 286.375);
+  --secondary-foreground: oklch(0.21 0.006 285.885);
+  --muted: oklch(0.967 0.001 286.375);
+  --muted-foreground: oklch(0.552 0.016 285.938);
+  --accent: oklch(0.967 0.001 286.375);
+  --accent-foreground: oklch(0.21 0.006 285.885);
+  --destructive: oklch(0.577 0.245 27.325);
+  --border: oklch(0.92 0.004 286.32);
+  --input: oklch(0.92 0.004 286.32);
+  --ring: oklch(0.795 0.184 86.047);
+  --chart-1: oklch(0.646 0.222 41.116);
+  --chart-2: oklch(0.6 0.118 184.704);
+  --chart-3: oklch(0.398 0.07 227.392);
+  --chart-4: oklch(0.828 0.189 84.429);
+  --chart-5: oklch(0.769 0.188 70.08);
+  --sidebar: oklch(0.985 0 0);
+  --sidebar-foreground: oklch(0.141 0.005 285.823);
+  --sidebar-primary: oklch(0.795 0.184 86.047);
+  --sidebar-primary-foreground: oklch(0.421 0.095 57.708);
+  --sidebar-accent: oklch(0.967 0.001 286.375);
+  --sidebar-accent-foreground: oklch(0.21 0.006 285.885);
+  --sidebar-border: oklch(0.92 0.004 286.32);
+  --sidebar-ring: oklch(0.795 0.184 86.047);
+}
+
+.dark-yellow {
+  --background: oklch(0.141 0.005 285.823);
+  --foreground: oklch(0.985 0 0);
+  --card: oklch(0.21 0.006 285.885);
+  --card-foreground: oklch(0.985 0 0);
+  --popover: oklch(0.21 0.006 285.885);
+  --popover-foreground: oklch(0.985 0 0);
+  --primary: oklch(0.795 0.184 86.047);
+  --primary-foreground: oklch(0.421 0.095 57.708);
+  --secondary: oklch(0.274 0.006 286.033);
+  --secondary-foreground: oklch(0.985 0 0);
+  --muted: oklch(0.274 0.006 286.033);
+  --muted-foreground: oklch(0.705 0.015 286.067);
+  --accent: oklch(0.274 0.006 286.033);
+  --accent-foreground: oklch(0.985 0 0);
+  --destructive: oklch(0.704 0.191 22.216);
+  --border: oklch(1 0 0 / 10%);
+  --input: oklch(1 0 0 / 15%);
+  --ring: oklch(0.554 0.135 66.442);
+  --chart-1: oklch(0.488 0.243 264.376);
+  --chart-2: oklch(0.696 0.17 162.48);
+  --chart-3: oklch(0.769 0.188 70.08);
+  --chart-4: oklch(0.627 0.265 303.9);
+  --chart-5: oklch(0.645 0.246 16.439);
+  --sidebar: oklch(0.21 0.006 285.885);
+  --sidebar-foreground: oklch(0.985 0 0);
+  --sidebar-primary: oklch(0.795 0.184 86.047);
+  --sidebar-primary-foreground: oklch(0.421 0.095 57.708);
+  --sidebar-accent: oklch(0.274 0.006 286.033);
+  --sidebar-accent-foreground: oklch(0.985 0 0);
+  --sidebar-border: oklch(1 0 0 / 10%);
+  --sidebar-ring: oklch(0.554 0.135 66.442);
+}
+
+.light-violet {
+  --radius: 0.65rem;
+  --background: oklch(1 0 0);
+  --foreground: oklch(0.141 0.005 285.823);
+  --card: oklch(1 0 0);
+  --card-foreground: oklch(0.141 0.005 285.823);
+  --popover: oklch(1 0 0);
+  --popover-foreground: oklch(0.141 0.005 285.823);
+  --primary: oklch(0.606 0.25 292.717);
+  --primary-foreground: oklch(0.969 0.016 293.756);
+  --secondary: oklch(0.967 0.001 286.375);
+  --secondary-foreground: oklch(0.21 0.006 285.885);
+  --muted: oklch(0.967 0.001 286.375);
+  --muted-foreground: oklch(0.552 0.016 285.938);
+  --accent: oklch(0.967 0.001 286.375);
+  --accent-foreground: oklch(0.21 0.006 285.885);
+  --destructive: oklch(0.577 0.245 27.325);
+  --border: oklch(0.92 0.004 286.32);
+  --input: oklch(0.92 0.004 286.32);
+  --ring: oklch(0.606 0.25 292.717);
+  --chart-1: oklch(0.646 0.222 41.116);
+  --chart-2: oklch(0.6 0.118 184.704);
+  --chart-3: oklch(0.398 0.07 227.392);
+  --chart-4: oklch(0.828 0.189 84.429);
+  --chart-5: oklch(0.769 0.188 70.08);
+  --sidebar: oklch(0.985 0 0);
+  --sidebar-foreground: oklch(0.141 0.005 285.823);
+  --sidebar-primary: oklch(0.606 0.25 292.717);
+  --sidebar-primary-foreground: oklch(0.969 0.016 293.756);
+  --sidebar-accent: oklch(0.967 0.001 286.375);
+  --sidebar-accent-foreground: oklch(0.21 0.006 285.885);
+  --sidebar-border: oklch(0.92 0.004 286.32);
+  --sidebar-ring: oklch(0.606 0.25 292.717);
+}
+
+.dark-violet {
+  --background: oklch(0.141 0.005 285.823);
+  --foreground: oklch(0.985 0 0);
+  --card: oklch(0.21 0.006 285.885);
+  --card-foreground: oklch(0.985 0 0);
+  --popover: oklch(0.21 0.006 285.885);
+  --popover-foreground: oklch(0.985 0 0);
+  --primary: oklch(0.541 0.281 293.009);
+  --primary-foreground: oklch(0.969 0.016 293.756);
+  --secondary: oklch(0.274 0.006 286.033);
+  --secondary-foreground: oklch(0.985 0 0);
+  --muted: oklch(0.274 0.006 286.033);
+  --muted-foreground: oklch(0.705 0.015 286.067);
+  --accent: oklch(0.274 0.006 286.033);
+  --accent-foreground: oklch(0.985 0 0);
+  --destructive: oklch(0.704 0.191 22.216);
+  --border: oklch(1 0 0 / 10%);
+  --input: oklch(1 0 0 / 15%);
+  --ring: oklch(0.541 0.281 293.009);
+  --chart-1: oklch(0.488 0.243 264.376);
+  --chart-2: oklch(0.696 0.17 162.48);
+  --chart-3: oklch(0.769 0.188 70.08);
+  --chart-4: oklch(0.627 0.265 303.9);
+  --chart-5: oklch(0.645 0.246 16.439);
+  --sidebar: oklch(0.21 0.006 285.885);
+  --sidebar-foreground: oklch(0.985 0 0);
+  --sidebar-primary: oklch(0.541 0.281 293.009);
+  --sidebar-primary-foreground: oklch(0.969 0.016 293.756);
+  --sidebar-accent: oklch(0.274 0.006 286.033);
+  --sidebar-accent-foreground: oklch(0.985 0 0);
+  --sidebar-border: oklch(1 0 0 / 10%);
+  --sidebar-ring: oklch(0.541 0.281 293.009);
+}
+
 
 @layer base {
   * {
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index 5f72ce4..c2542f0 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -32,7 +32,25 @@ export default function RootLayout({
       >
         <ThemeProvider
           attribute="class"
-          defaultTheme="system"
+          defaultTheme="dark-violet"
+          themes={[
+            'light-zinc',
+            'light-red',
+            'light-rose',
+            'light-orange',
+            'light-green',
+            'light-blue',
+            'light-yellow',
+            'light-violet',
+            'dark-zinc',
+            'dark-red',
+            'dark-rose',
+            'dark-orange',
+            'dark-green',
+            'dark-blue',
+            'dark-yellow',
+            'dark-violet',
+          ]}
           enableSystem
           disableTransitionOnChange
         >
diff --git a/src/app/page.tsx b/src/app/page.tsx
index 3a0cb70..7c3d8df 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -1,7 +1,14 @@
+import { Button } from "@/components/ui/button";
+
 export default function HomePage() {
   return (
     <div>
       ADMIN HOME
+      <div>
+        <Button className="bg-primary text-primary-foreground">
+          Themed Button
+        </Button>
+      </div>
     </div>
   );
 }
diff --git a/src/auth.ts b/src/auth.ts
new file mode 100644
index 0000000..69acc54
--- /dev/null
+++ b/src/auth.ts
@@ -0,0 +1,28 @@
+import NextAuth from "next-auth"
+import GitHub from "next-auth/providers/github"
+ 
+export const { handlers, signIn, signOut, auth } = NextAuth({
+  providers: [GitHub],
+  callbacks: {
+    async signIn({ profile }) {
+      return profile?.login === "skeltoras" 
+    },
+
+    async jwt({ token, profile }) {
+      if (profile) {
+        token.login = profile.login
+        token.id = profile.id
+      }
+      return token
+    },
+
+    async session({ session, token }) {
+      const typedToken = token as { login?: string; id?: string }
+
+      if (typedToken.login) session.user.login = typedToken.login
+      if (typedToken.id) session.user.id = typedToken.id
+
+      return session
+    },
+  },
+})
\ No newline at end of file
diff --git a/src/components/auth/SignInOutButton.tsx b/src/components/auth/SignInOutButton.tsx
new file mode 100644
index 0000000..c3f3523
--- /dev/null
+++ b/src/components/auth/SignInOutButton.tsx
@@ -0,0 +1,15 @@
+"use client"
+
+import { signIn, signOut } from "next-auth/react"
+
+export function SignInOutButton({ session }: { session: any }) {
+  return session ? (
+    <button onClick={() => signOut()} className="text-sm underline">
+      Sign out
+    </button>
+  ) : (
+    <button onClick={() => signIn("github")} className="text-sm underline">
+      Sign in with GitHub
+    </button>
+  )
+}
diff --git a/src/components/global/Header.tsx b/src/components/global/Header.tsx
index 4866398..3e2eaeb 100644
--- a/src/components/global/Header.tsx
+++ b/src/components/global/Header.tsx
@@ -1,11 +1,18 @@
+import { auth } from "@/auth";
+import { SignInOutButton } from "../auth/SignInOutButton";
 import ModeToggle from "./ModeToggle";
 import TopNav from "./TopNav";
 
-export default function Header() {
+export default async function Header() {
+  const session = await auth()
+
   return (
     <div className="flex items-center justify-between">
       <TopNav />
-      <ModeToggle />
+      <div className="flex items-center justify-between gap-4">
+        <SignInOutButton session={session} />
+        <ModeToggle />
+      </div>
     </div>
   );
 }
\ No newline at end of file
diff --git a/src/components/global/ModeToggle.tsx b/src/components/global/ModeToggle.tsx
index 8fcc89a..77d19fc 100644
--- a/src/components/global/ModeToggle.tsx
+++ b/src/components/global/ModeToggle.tsx
@@ -3,37 +3,80 @@
 import { Moon, Sun } from "lucide-react"
 import { useTheme } from "next-themes"
 
-import { Button } from "@/components/ui/button"
-import {
-  DropdownMenu,
-  DropdownMenuContent,
-  DropdownMenuItem,
-  DropdownMenuTrigger,
-} from "@/components/ui/dropdown-menu"
+import { cn } from "@/lib/utils"
+import { useEffect, useState } from "react"
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "../ui/select"
+
+const modes = ["light", "dark"] as const
+const accents = ["zinc", "red", "rose", "orange", "green", "blue", "yellow", "violet", "default"] as const
+
+const modeIcons = {
+  light: <Sun className="h-4 w-4" />,
+  dark: <Moon className="h-4 w-4" />,
+}
 
 export default function ModeToggle() {
-  const { setTheme } = useTheme()
+  const { setTheme, theme, resolvedTheme } = useTheme()
+  const [mode, setMode] = useState("dark")
+  const [accent, setAccent] = useState("violet")
+
+  useEffect(() => {
+    const parts = theme?.split("-")
+    if (parts?.length === 2) {
+      setMode(parts[0])
+      setAccent(parts[1])
+    }
+  }, [theme])
+
+  function updateTheme(newMode: string, newAccent: string) {
+    const fullTheme = `${newMode}-${newAccent}`
+    setTheme(fullTheme)
+  }
 
   return (
-    <DropdownMenu>
-      <DropdownMenuTrigger asChild>
-        <Button variant="outline" size="icon">
-          <Sun className="h-[1.2rem] w-[1.2rem] scale-100 rotate-0 transition-all dark:scale-0 dark:-rotate-90" />
-          <Moon className="absolute h-[1.2rem] w-[1.2rem] scale-0 rotate-90 transition-all dark:scale-100 dark:rotate-0" />
-          <span className="sr-only">Toggle theme</span>
-        </Button>
-      </DropdownMenuTrigger>
-      <DropdownMenuContent align="end">
-        <DropdownMenuItem onClick={() => setTheme("light")}>
-          Light
-        </DropdownMenuItem>
-        <DropdownMenuItem onClick={() => setTheme("dark")}>
-          Dark
-        </DropdownMenuItem>
-        <DropdownMenuItem onClick={() => setTheme("system")}>
-          System
-        </DropdownMenuItem>
-      </DropdownMenuContent>
-    </DropdownMenu>
+    <div className="flex gap-4 items-center">
+      <Select
+        value={mode}
+        onValueChange={(value) => {
+          setMode(value)
+          updateTheme(value, accent)
+        }}
+      >
+        <SelectTrigger className="w-[70px]">
+          <SelectValue
+            placeholder="Mode"
+            className="flex items-center gap-2"
+          />
+        </SelectTrigger>
+        <SelectContent>
+          {modes.map((m) => (
+            <SelectItem key={m} value={m}>
+              <span className="flex items-center gap-2">
+                {modeIcons[m]}
+              </span>
+            </SelectItem>
+          ))}
+        </SelectContent>
+      </Select>
+
+      <Select
+        value={accent}
+        onValueChange={(value) => {
+          setAccent(value)
+          updateTheme(mode, value)
+        }}
+      >
+        <SelectTrigger className="w-[120px]">
+          <SelectValue placeholder="Accent" />
+        </SelectTrigger>
+        <SelectContent>
+          {accents.map((a) => (
+            <SelectItem key={a} value={a} className={cn(`text-${a}-600`)}>
+              {a.charAt(0).toUpperCase() + a.slice(1)}
+            </SelectItem>
+          ))}
+        </SelectContent>
+      </Select>
+    </div>
   )
 }
diff --git a/src/middleware.ts b/src/middleware.ts
new file mode 100644
index 0000000..ef99640
--- /dev/null
+++ b/src/middleware.ts
@@ -0,0 +1,24 @@
+import { auth } from "@/auth"
+import type { NextRequest } from "next/server"
+import { NextResponse } from "next/server"
+
+export async function middleware(request: NextRequest) {
+  const session = await auth()
+
+  const isProtectedPath =
+    !request.nextUrl.pathname.startsWith("/api/auth") &&
+    !request.nextUrl.pathname.startsWith("/_next") &&
+    !request.nextUrl.pathname.startsWith("/favicon") &&
+    !request.nextUrl.pathname.startsWith("/assets")
+
+  if (isProtectedPath && !session) {
+    const signInUrl = new URL("/api/auth/signin", request.url)
+    return NextResponse.redirect(signInUrl)
+  }
+
+  return NextResponse.next()
+}
+
+export const config = {
+  matcher: ["/((?!api/auth|_next/static|_next/image|favicon.ico).*)"],
+}
\ No newline at end of file
diff --git a/src/types/next-auth.d.ts b/src/types/next-auth.d.ts
new file mode 100644
index 0000000..d7eaa23
--- /dev/null
+++ b/src/types/next-auth.d.ts
@@ -0,0 +1,25 @@
+import "next-auth"
+
+declare module "next-auth" {
+  interface Session {
+    user: {
+      name?: string | null
+      email?: string | null
+      image?: string | null
+      id: string
+      login: string
+    }
+  }
+
+  interface User {
+    id: string
+    login: string
+  }
+}
+
+declare module "next-auth/jwt" {
+  interface JWT {
+    id: string
+    login: string
+  }
+}
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
index c133409..ef00538 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -22,6 +22,6 @@
       "@/*": ["./src/*"]
     }
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts", "src/types"],
   "exclude": ["node_modules"]
 }