diff --git a/LandingPage.tsx b/LandingPage.tsx
index 8adb029..2a33f8c 100644
--- a/LandingPage.tsx
+++ b/LandingPage.tsx
@@ -1,69 +1,78 @@
 import React, { useState } from 'react';
-import { LogIn, Compass, ArrowRight, Camera } from 'lucide-react';
+import { LogIn, Compass, ArrowRight, Map as MapIcon, UserPlus } from 'lucide-react';
 import { LoginModal } from './LoginModal';
 
 interface LandingPageProps {
   onContinue?: () => void;
   onGoToSignup?: () => void;
+  onGoToMap?: () => void;
 }
 
-export const LandingPage: React.FC<LandingPageProps> = ({ onContinue, onGoToSignup }) => {
+export const LandingPage: React.FC<LandingPageProps> = ({ onContinue, onGoToSignup, onGoToMap }) => {
   const [isLoginModalOpen, setIsLoginModalOpen] = useState(false);
 
   return (
-    <div className="flex h-screen w-full flex-col md:flex-row overflow-hidden font-sans relative">
-      {/* Nửa bên trái: Ảnh background mặc định của dự án */}
-      <div className="hidden md:block md:w-1/2 relative bg-gray-900">
-        <img
-          src="https://images.unsplash.com/photo-1503220317375-aaad61436b1b?q=80&w=2070&auto=format&fit=crop"
-          alt="Travel Planner Background"
-          className="absolute inset-0 h-full w-full object-cover opacity-70"
-        />
-        {/* Overlay màu xanh nhẹ đặc trưng của dự án */}
-        <div className="absolute inset-0 bg-gradient-to-t from-blue-900/60 to-transparent" />
-        
-        <div className="absolute bottom-16 left-16 text-white z-10">
-          <div className="flex items-center gap-3 mb-6">
-            <div className="p-3 bg-white/20 backdrop-blur-md rounded-2xl">
-              <Compass className="w-8 h-8 text-white" />
-            </div>
-            <span className="text-3xl font-black tracking-tighter uppercase">Travel Planner</span>
-          </div>
-          <h2 className="text-5xl font-bold leading-tight max-w-lg">
-            Khám phá thế giới, lưu giữ kỉ niệm.
-          </h2>
-          <p className="mt-4 text-blue-100 text-lg opacity-80 max-w-sm">
-            Hợp tác cùng bạn bè để lên lịch trình hoàn hảo nhất cho mọi chuyến đi.
-          </p>
+    <div className="flex h-screen w-full flex-col md:flex-row overflow-hidden font-sans bg-gray-50">
+      {/* Nửa bên trái: Hiển thị lưới ảnh du lịch */}
+      <div className="hidden md:grid md:w-1/2 grid-cols-2 gap-2 p-2 bg-gray-200 relative h-full">
+        <div className="space-y-2 h-full">
+          <img src="https://images.unsplash.com/photo-1503220317375-aaad61436b1b?auto=format&fit=crop&q=80" className="w-full h-64 object-cover rounded-xl" alt="Travel 1" />
+          <img src="https://images.unsplash.com/photo-1513581166391-887a96df91e7?auto=format&fit=crop&q=80" className="w-full h-96 object-cover rounded-xl" alt="Travel 2" />
         </div>
+        <div className="space-y-2 mt-8 h-full">
+          <img src="https://images.unsplash.com/photo-1476514525535-07fb3b4ae5f1?auto=format&fit=crop&q=80" className="w-full h-96 object-cover rounded-xl" alt="Travel 3" />
+          <img src="https://images.unsplash.com/photo-1507525428034-b723cf961d3e?auto=format&fit=crop&q=80" className="w-full h-64 object-cover rounded-xl" alt="Travel 4" />
+        </div>
+        <div className="absolute inset-0 bg-gradient-to-r from-transparent to-gray-50/50 pointer-events-none" />
       </div>
 
       {/* Nửa bên phải: Nội dung chào mừng và Hành động */}
-      <div className="flex-1 flex flex-col justify-center items-center bg-white p-8 sm:p-12 md:p-20">
+      <div className="flex-1 md:w-1/2 flex flex-col justify-center items-center bg-white p-8 lg:p-16 h-full overflow-y-auto">
         <div className="max-w-md w-full space-y-12">
-          <div className="space-y-6">
-            <h1 className="text-4xl md:text-5xl font-extrabold text-gray-900 leading-tight">
-              Chào mừng bạn đến với trang tạo kế hoạch du lịch
+          <div className="flex items-center gap-3 text-blue-600 mb-8">
+            <Compass className="w-10 h-10" />
+            <span className="text-2xl font-black tracking-tighter uppercase">Travel Planner</span>
+          </div>
+
+          <div className="space-y-4">
+            <h1 className="text-4xl font-extrabold text-gray-900 leading-tight">
+              Lên kế hoạch cho hành trình tiếp theo
             </h1>
-            <p className="text-xl text-gray-600 leading-relaxed">
-              Đăng nhập để vào tạo kế hoạch cá nhân hoặc nhấn nút tiếp tục để tham quan các hình ảnh du lịch được chia sẻ.
+            <p className="text-lg text-gray-500 leading-relaxed">
+              Khám phá các địa điểm nổi bật qua bản đồ cộng đồng hoặc đăng nhập để bắt đầu tự tạo chuyến đi cho riêng mình.
             </p>
           </div>
 
-          <div className="flex flex-col gap-4">
-            {/* Nút Đăng nhập */}
+          <div className="grid grid-cols-1 gap-4">
+            {/* Nút Khám phá Bản đồ (Cho khách công cộng) */}
             <button 
-              onClick={() => setIsLoginModalOpen(true)}
-              className="group flex items-center justify-center gap-3 bg-blue-600 hover:bg-blue-700 text-white font-bold py-5 px-8 rounded-2xl shadow-xl shadow-blue-200 transition-all active:scale-95"
+              onClick={onGoToMap}
+              className="flex items-center justify-center gap-3 bg-indigo-600 hover:bg-indigo-700 text-white font-bold py-4 px-8 rounded-2xl transition-all shadow-lg shadow-indigo-100"
             >
-              <LogIn className="w-5 h-5 group-hover:translate-x-1 transition-transform" />
-              Đăng nhập ngay
+              <MapIcon className="w-5 h-5" />
+              Xem Bản đồ Công cộng
             </button>
 
-            {/* Nút Tiếp tục */}
+            <div className="grid grid-cols-2 gap-4">
+              <button 
+                onClick={() => setIsLoginModalOpen(true)}
+                className="flex items-center justify-center gap-2 bg-blue-50 hover:bg-blue-100 text-blue-700 font-bold py-4 rounded-2xl transition-all"
+              >
+                <LogIn className="w-5 h-5" />
+                Đăng nhập
+              </button>
+              <button 
+                onClick={onGoToSignup}
+                className="flex items-center justify-center gap-2 bg-gray-50 hover:bg-gray-100 text-gray-700 font-bold py-4 rounded-2xl border border-gray-100 transition-all"
+              >
+                <UserPlus className="w-5 h-5" />
+                Đăng ký
+              </button>
+            </div>
+
             <button 
               onClick={onContinue}
-              className="flex items-center justify-center gap-3 bg-gray-50 hover:bg-gray-100 text-gray-700 font-bold py-5 px-8 rounded-2xl border border-gray-200 transition-all active:scale-95"
+              className="flex items-center justify-center gap-3 text-gray-400 hover:text-gray-600 py-2 transition-all text-sm font-medium"
             >
               Tiếp tục tham quan ảnh
               <ArrowRight className="w-5 h-5" />
diff --git a/admin.guard.ts b/admin.guard.ts
new file mode 100644
index 0000000..8487ce9
--- /dev/null
+++ b/admin.guard.ts
@@ -0,0 +1,30 @@
+import { Injectable, CanActivate, ExecutionContext, ForbiddenException } from '@nestjs/common';
+import { PrismaService } from './prisma.service';
+
+@Injectable()
+export class AdminGuard implements CanActivate {
+  constructor(private prisma: PrismaService) {}
+
+  async canActivate(context: ExecutionContext): Promise<boolean> {
+    const request = context.switchToHttp().getRequest();
+    
+    // Lưu ý: request.user thường được đính kèm bởi một AuthGuard (JWT/Passport) chạy trước đó.
+    const user = request.user;
+
+    if (!user || !user.id) {
+      throw new ForbiddenException('Yêu cầu xác thực không hợp lệ. Vui lòng đăng nhập.');
+    }
+
+    // Kiểm tra trực tiếp từ database để đảm bảo quyền isAdmin là chính xác nhất cho các tác vụ nhạy cảm
+    const dbUser = await this.prisma.user.findUnique({
+      where: { id: user.id },
+      select: { isAdmin: true },
+    });
+
+    if (!dbUser || !dbUser.isAdmin) {
+      throw new ForbiddenException('Truy cập bị từ chối. Bạn không có quyền quản trị viên hệ thống.');
+    }
+
+    return true;
+  }
+}
\ No newline at end of file
diff --git a/index.css b/index.css
new file mode 100644
index 0000000..d7b167a
--- /dev/null
+++ b/index.css
@@ -0,0 +1,9 @@
+@import "tailwindcss";
+
+@layer base {
+  html, body, #root, .app-container {
+    height: 100%;
+    margin: 0;
+    padding: 0;
+  }
+}
\ No newline at end of file
diff --git a/index.html b/index.html
index cf72df0..2d5e765 100644
--- a/index.html
+++ b/index.html
@@ -4,7 +4,6 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Travel Planner</title>
-    <script src="https://cdn.tailwindcss.com"></script>
   </head>
   <body>
     <div id="root"></div>
diff --git a/index.tsx b/index.tsx
index e330c0f..d4ff3cd 100644
--- a/index.tsx
+++ b/index.tsx
@@ -1,5 +1,6 @@
 import React from 'react';
 import ReactDOM from 'react-dom/client';
+import './index.css';
 import App from './App';
 
 ReactDOM.createRoot(document.getElementById('root')!).render(
diff --git a/jwt-auth.guard.ts b/jwt-auth.guard.ts
new file mode 100644
index 0000000..18588a5
--- /dev/null
+++ b/jwt-auth.guard.ts
@@ -0,0 +1,5 @@
+import { Injectable } from '@nestjs/common';
+import { AuthGuard } from '@nestjs/passport';
+
+@Injectable()
+export class JwtAuthGuard extends AuthGuard('jwt') {}
\ No newline at end of file
diff --git a/jwt.strategy.ts b/jwt.strategy.ts
new file mode 100644
index 0000000..181f587
--- /dev/null
+++ b/jwt.strategy.ts
@@ -0,0 +1,27 @@
+import { Injectable, UnauthorizedException } from '@nestjs/common';
+import { PassportStrategy } from '@nestjs/passport';
+import { ExtractJwt, Strategy } from 'passport-jwt';
+import { PrismaService } from './prisma.service';
+
+@Injectable()
+export class JwtStrategy extends PassportStrategy(Strategy) {
+  constructor(private prisma: PrismaService) {
+    super({
+      jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
+      ignoreExpiration: false,
+      secretOrKey: process.env.JWT_SECRET || 'super-secret',
+    });
+  }
+
+  async validate(payload: any) {
+    const user = await this.prisma.user.findUnique({
+      where: { id: payload.sub },
+    });
+
+    if (!user) {
+      throw new UnauthorizedException('Người dùng không tồn tại hoặc phiên làm việc hết hạn');
+    }
+
+    return user;
+  }
+}
\ No newline at end of file
diff --git a/migrations/20260613091754_add_is_admin_field/migration.sql b/migrations/20260613091754_add_is_admin_field/migration.sql
new file mode 100644
index 0000000..741c430
--- /dev/null
+++ b/migrations/20260613091754_add_is_admin_field/migration.sql
@@ -0,0 +1,14 @@
+-- DropForeignKey
+ALTER TABLE "Expense" DROP CONSTRAINT "Expense_legId_fkey";
+
+-- DropForeignKey
+ALTER TABLE "Expense" DROP CONSTRAINT "Expense_placeId_fkey";
+
+-- AlterTable
+ALTER TABLE "User" ADD COLUMN     "isAdmin" BOOLEAN NOT NULL DEFAULT false;
+
+-- AddForeignKey
+ALTER TABLE "Expense" ADD CONSTRAINT "Expense_legId_fkey" FOREIGN KEY ("legId") REFERENCES "Leg"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Expense" ADD CONSTRAINT "Expense_placeId_fkey" FOREIGN KEY ("placeId") REFERENCES "Place"("id") ON DELETE CASCADE ON UPDATE CASCADE;
diff --git a/package-lock.json b/package-lock.json
index 64a92ce..54fee17 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,17 +27,35 @@
       },
       "devDependencies": {
         "@nestjs/cli": "^10.0.0",
+        "@tailwindcss/postcss": "^4.3.1",
+        "@types/bcrypt": "^5.0.2",
         "@types/leaflet": "^1.9.12",
         "@types/node": "^20.0.0",
         "@types/pg": "^8.10.0",
         "@types/react": "^18.3.12",
         "@vitejs/plugin-react": "^6.0.2",
+        "autoprefixer": "^10.5.0",
+        "postcss": "^8.5.15",
         "prisma": "^7.8.0",
+        "tailwindcss": "^4.3.1",
         "tsx": "^4.0.0",
         "typescript": "^5.0.0",
         "vite": "^8.0.16"
       }
     },
+    "node_modules/@alloc/quick-lru": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/@alloc/quick-lru/-/quick-lru-5.2.0.tgz",
+      "integrity": "sha512-UrcABB+4bUrFABwbluTIBErXwvbsU/V7TZWfmbgJfbkwiBuziS9gxdODUyuiecfdGQ85jglMW6juS3+z5TsKLw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/@angular-devkit/core": {
       "version": "17.3.11",
       "resolved": "https://registry.npmjs.org/@angular-devkit/core/-/core-17.3.11.tgz",
@@ -886,6 +904,17 @@
         "@jridgewell/trace-mapping": "^0.3.24"
       }
     },
+    "node_modules/@jridgewell/remapping": {
+      "version": "2.3.5",
+      "resolved": "https://registry.npmjs.org/@jridgewell/remapping/-/remapping-2.3.5.tgz",
+      "integrity": "sha512-LI9u/+laYG4Ds1TDKSJW2YPrIlcVYOwi2fUC6xB43lueCjgxV4lffOCZCtYFiH6TNOX+tQKXx97T4IKHbhyHEQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/gen-mapping": "^0.3.5",
+        "@jridgewell/trace-mapping": "^0.3.24"
+      }
+    },
     "node_modules/@jridgewell/resolve-uri": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/@jridgewell/resolve-uri/-/resolve-uri-3.1.2.tgz",
@@ -1808,6 +1837,301 @@
       "devOptional": true,
       "license": "MIT"
     },
+    "node_modules/@tailwindcss/node": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/node/-/node-4.3.1.tgz",
+      "integrity": "sha512-6NDaqRoAMSXD1mr/RXu0HBvNE9a2n5tHPsxu9XHLws8o4Twes5rBM2205SUUiJ9goAtadrN6xTGX0UDEwp/N4A==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/remapping": "^2.3.5",
+        "enhanced-resolve": "5.21.6",
+        "jiti": "^2.7.0",
+        "lightningcss": "1.32.0",
+        "magic-string": "^0.30.21",
+        "source-map-js": "^1.2.1",
+        "tailwindcss": "4.3.1"
+      }
+    },
+    "node_modules/@tailwindcss/node/node_modules/enhanced-resolve": {
+      "version": "5.21.6",
+      "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.21.6.tgz",
+      "integrity": "sha512-aNnGCvbJ/RIyWo1IuhNdVjnNF+EjH9wpzpNHt+ci/m9He9LJvUN8wrCcXjp9cWsGNAuvSpVFTx/vraAFQ8qGjQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "graceful-fs": "^4.2.4",
+        "tapable": "^2.3.3"
+      },
+      "engines": {
+        "node": ">=10.13.0"
+      }
+    },
+    "node_modules/@tailwindcss/node/node_modules/magic-string": {
+      "version": "0.30.21",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.21.tgz",
+      "integrity": "sha512-vd2F4YUyEXKGcLHoq+TEyCjxueSeHnFxyyjNp80yg0XV4vUhnDer/lvvlqM/arB5bXQN5K2/3oinyCRyx8T2CQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/sourcemap-codec": "^1.5.5"
+      }
+    },
+    "node_modules/@tailwindcss/oxide": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide/-/oxide-4.3.1.tgz",
+      "integrity": "sha512-yVPyo8RNkabVr3O2EhHEE0Rewu7YKzc1DhIqfL46LKveFrmu9XbDazNOJY7/GRuvw1h6u3utWnR29H/p5JPlgA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 20"
+      },
+      "optionalDependencies": {
+        "@tailwindcss/oxide-android-arm64": "4.3.1",
+        "@tailwindcss/oxide-darwin-arm64": "4.3.1",
+        "@tailwindcss/oxide-darwin-x64": "4.3.1",
+        "@tailwindcss/oxide-freebsd-x64": "4.3.1",
+        "@tailwindcss/oxide-linux-arm-gnueabihf": "4.3.1",
+        "@tailwindcss/oxide-linux-arm64-gnu": "4.3.1",
+        "@tailwindcss/oxide-linux-arm64-musl": "4.3.1",
+        "@tailwindcss/oxide-linux-x64-gnu": "4.3.1",
+        "@tailwindcss/oxide-linux-x64-musl": "4.3.1",
+        "@tailwindcss/oxide-wasm32-wasi": "4.3.1",
+        "@tailwindcss/oxide-win32-arm64-msvc": "4.3.1",
+        "@tailwindcss/oxide-win32-x64-msvc": "4.3.1"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-android-arm64": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-android-arm64/-/oxide-android-arm64-4.3.1.tgz",
+      "integrity": "sha512-SVlyf61g374l5cHyg8x9kf5xmLcOaxvOTsbsqDnSsDJaKOEFZ7GCvi84VAVGpxojYOs1+3K6M0UjXfqPU8vmOQ==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "android"
+      ],
+      "engines": {
+        "node": ">= 20"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-darwin-arm64": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-darwin-arm64/-/oxide-darwin-arm64-4.3.1.tgz",
+      "integrity": "sha512-hVnWLwv+e/l7c4WKyVtHVrIPvYdqWHjRB3MDIqARynzFtnQg85kmQEFCbV9Ja0VVx4xXTIiDWY60Y7iz/iNoDA==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": ">= 20"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-darwin-x64": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-darwin-x64/-/oxide-darwin-x64-4.3.1.tgz",
+      "integrity": "sha512-Cf7abu0WVgbhU7ANgPUnSAvm7nCvMweusHb8FnaHlLfv/Caq4GYaEZg7ZImzzmjx4lIAfuS8q+eLIS7A7IzxIg==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": ">= 20"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-freebsd-x64": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-freebsd-x64/-/oxide-freebsd-x64-4.3.1.tgz",
+      "integrity": "sha512-ZZqzX2Y+GXtXXfqSfpJhDm60OoZfvLHLCgm+J7NVqgHHJjG/m9ugZI77RwTsVd4fnBJuCFP6Ae6kTJb71UdS8g==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "freebsd"
+      ],
+      "engines": {
+        "node": ">= 20"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-linux-arm-gnueabihf": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-linux-arm-gnueabihf/-/oxide-linux-arm-gnueabihf-4.3.1.tgz",
+      "integrity": "sha512-/Ah/xik0LaMYfv9DZ0S/t4pBlBNYOcqtRwusjgovHkvT8ixueWCLyJjsaF5kQIckjb4IT8Q6K6p/iPmZMixYgg==",
+      "cpu": [
+        "arm"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 20"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-linux-arm64-gnu": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-linux-arm64-gnu/-/oxide-linux-arm64-gnu-4.3.1.tgz",
+      "integrity": "sha512-gqdFoVJlw444GvpnheZLHmvTzSxI/cOUUh2KSNejQjTcYkW062SVD+En0rUgD+QV91bz1XGIGtt1HJd48xUGbQ==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 20"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-linux-arm64-musl": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-linux-arm64-musl/-/oxide-linux-arm64-musl-4.3.1.tgz",
+      "integrity": "sha512-Bwv9KwOvE0VKa86xPFif9b9c3Y1NxOV1P0gLti/IYaWEsQYZXDlxfGEtA8mdDZ7SG3wyNXAWYT5SIn3giL57oA==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 20"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-linux-x64-gnu": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-linux-x64-gnu/-/oxide-linux-x64-gnu-4.3.1.tgz",
+      "integrity": "sha512-Ymi8O8T15HYQdOUWUtTI6ldN0neHP85FC+Qz32xTcZ7iJXtem/x8ITev0o1e9e5rkqj4lONZfTRLvkmin1+tKg==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 20"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-linux-x64-musl": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-linux-x64-musl/-/oxide-linux-x64-musl-4.3.1.tgz",
+      "integrity": "sha512-M+P/91qJ6uILLw4k2G93GMDRAXj61SMvFQYt39AqvUqYgExXpLL5aepfns7sj4HiAQeolirQF9E0lzRvdf4zPQ==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 20"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-wasm32-wasi": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-wasm32-wasi/-/oxide-wasm32-wasi-4.3.1.tgz",
+      "integrity": "sha512-zsM8uOeqvVGHsAXsJxsT28ttosFahLJKCLOTUBqRAtKnVgGSRitds9T432QiT8b77Yga7JIBkulIRRlJPtYhRA==",
+      "bundleDependencies": [
+        "@napi-rs/wasm-runtime",
+        "@emnapi/core",
+        "@emnapi/runtime",
+        "@tybys/wasm-util",
+        "@emnapi/wasi-threads",
+        "tslib"
+      ],
+      "cpu": [
+        "wasm32"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "@emnapi/core": "^1.10.0",
+        "@emnapi/runtime": "^1.10.0",
+        "@emnapi/wasi-threads": "^1.2.1",
+        "@napi-rs/wasm-runtime": "^1.1.4",
+        "@tybys/wasm-util": "^0.10.2",
+        "tslib": "^2.8.1"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-win32-arm64-msvc": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-win32-arm64-msvc/-/oxide-win32-arm64-msvc-4.3.1.tgz",
+      "integrity": "sha512-aiNvSq9BsVk8V513lDKlrCFAgf8qBMPZTpgEhInL+NwQqs97mYmupVMrPrgBBSL8Pv/0zXu9MrMF9rMun1ZeNg==",
+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">= 20"
+      }
+    },
+    "node_modules/@tailwindcss/oxide-win32-x64-msvc": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide-win32-x64-msvc/-/oxide-win32-x64-msvc-4.3.1.tgz",
+      "integrity": "sha512-xDEyu1rg290472FEGaKHnzyDyh5QH+AlWvsU5hMoMtPpzmKlRI0jaYKCgSHDYtaQWZOYbMaduSyCwFwY4n1HmA==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">= 20"
+      }
+    },
+    "node_modules/@tailwindcss/postcss": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/@tailwindcss/postcss/-/postcss-4.3.1.tgz",
+      "integrity": "sha512-dNJuNbdEJT/SWRuXTYP1WSamelsz3ztkUsdtWQPjrexysrTpaEPM40P/71knXiXLYEojqPOEGitVLLpPMS5T6A==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@alloc/quick-lru": "^5.2.0",
+        "@tailwindcss/node": "4.3.1",
+        "@tailwindcss/oxide": "4.3.1",
+        "postcss": "8.5.15",
+        "tailwindcss": "4.3.1"
+      }
+    },
     "node_modules/@tokenizer/inflate": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/@tokenizer/inflate/-/inflate-0.4.1.tgz",
@@ -1842,6 +2166,16 @@
         "tslib": "^2.4.0"
       }
     },
+    "node_modules/@types/bcrypt": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/@types/bcrypt/-/bcrypt-5.0.2.tgz",
+      "integrity": "sha512-6atioO8Y75fNcbmj0G7UjI9lXN2pQ/IGJ2FWT4a/btd0Lk9lQalHLKhkgKVZ3r+spnmWUKfbMi1GEe9wyHQfNQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/eslint": {
       "version": "9.6.1",
       "resolved": "https://registry.npmjs.org/@types/eslint/-/eslint-9.6.1.tgz",
@@ -2332,6 +2666,43 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/autoprefixer": {
+      "version": "10.5.0",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.5.0.tgz",
+      "integrity": "sha512-FMhOoZV4+qR6aTUALKX2rEqGG+oyATvwBt9IIzVR5rMa2HRWPkxf+P+PAJLD1I/H5/II+HuZcBJYEFBpq39ong==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "tidelift",
+          "url": "https://tidelift.com/funding/github/npm/autoprefixer"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "browserslist": "^4.28.2",
+        "caniuse-lite": "^1.0.30001787",
+        "fraction.js": "^5.3.4",
+        "picocolors": "^1.1.1",
+        "postcss-value-parser": "^4.2.0"
+      },
+      "bin": {
+        "autoprefixer": "bin/autoprefixer"
+      },
+      "engines": {
+        "node": "^10 || ^12 || >=14"
+      },
+      "peerDependencies": {
+        "postcss": "^8.1.0"
+      }
+    },
     "node_modules/aws-ssl-profiles": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/aws-ssl-profiles/-/aws-ssl-profiles-1.1.2.tgz",
@@ -3744,6 +4115,20 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/fraction.js": {
+      "version": "5.3.4",
+      "resolved": "https://registry.npmjs.org/fraction.js/-/fraction.js-5.3.4.tgz",
+      "integrity": "sha512-1X1NTtiJphryn/uLQz3whtY6jK3fTqoE3ohKs0tT+Ujr1W59oopxmoEh7Lu5p6vBaPbgoM0bzveAW4Qi5RyWDQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "*"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/rawify"
+      }
+    },
     "node_modules/fresh": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/fresh/-/fresh-2.0.0.tgz",
@@ -5461,6 +5846,13 @@
         "node": "^10 || ^12 || >=14"
       }
     },
+    "node_modules/postcss-value-parser": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/postcss-value-parser/-/postcss-value-parser-4.2.0.tgz",
+      "integrity": "sha512-1NNCs6uurfkVbeXG4S8JFT9t19m45ICnif8zWLd5oPSZ50QnwMfK+H3jv408d4jw/7Bttv5axS5IiHoLaVNHeQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/postgres": {
       "version": "3.4.7",
       "resolved": "https://registry.npmjs.org/postgres/-/postgres-3.4.7.tgz",
@@ -6407,6 +6799,13 @@
         "node": ">=0.10"
       }
     },
+    "node_modules/tailwindcss": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.3.1.tgz",
+      "integrity": "sha512-hk+TB1m+K8CYNrP6rjQaq/Y+4Zylwpa87mLYBKCunwnnQ9p+fHb7kmSfGqyEJoxF/O6CDyABWVFEafNSYKll+Q==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/tapable": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/tapable/-/tapable-2.3.3.tgz",
diff --git a/package.json b/package.json
index aaf3ecb..c23c121 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "travel-planning-backend",
   "version": "1.0.0",
   "description": "Travel Planning Backend with NestJS and Prisma 7",
+  "type": "module",
   "scripts": {
     "build": "nest build",
     "start": "nest start",
@@ -19,25 +20,29 @@
     "@prisma/client": "^7.8.0",
     "date-fns": "^2.30.0",
     "dotenv": "^16.3.0",
+    "leaflet": "^1.9.4",
     "lucide-react": "^0.284.0",
     "pg": "^8.11.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
+    "react-leaflet": "^4.2.1",
     "reflect-metadata": "^0.1.13",
     "rxjs": "^7.8.1",
-    "zustand": "^5.0.1",
-    "leaflet": "^1.9.4",
-    "react-leaflet": "^4.2.1"
+    "zustand": "^5.0.1"
   },
   "devDependencies": {
     "@nestjs/cli": "^10.0.0",
+    "@tailwindcss/postcss": "^4.3.1",
+    "@types/bcrypt": "^5.0.2",
+    "@types/leaflet": "^1.9.12",
     "@types/node": "^20.0.0",
     "@types/pg": "^8.10.0",
     "@types/react": "^18.3.12",
-    "@types/leaflet": "^1.9.12",
     "@vitejs/plugin-react": "^6.0.2",
-    "@types/bcrypt": "^5.0.2",
+    "autoprefixer": "^10.5.0",
+    "postcss": "^8.5.15",
     "prisma": "^7.8.0",
+    "tailwindcss": "^4.3.1",
     "tsx": "^4.0.0",
     "typescript": "^5.0.0",
     "vite": "^8.0.16"
diff --git a/postcss.config.js b/postcss.config.js
new file mode 100644
index 0000000..c90a64f
--- /dev/null
+++ b/postcss.config.js
@@ -0,0 +1,6 @@
+export default {
+  plugins: {
+    "@tailwindcss/postcss": {},
+    "autoprefixer": {},
+  },
+}
\ No newline at end of file
diff --git a/tailwind.config.ts b/tailwind.config.ts
new file mode 100644
index 0000000..d4554e0
--- /dev/null
+++ b/tailwind.config.ts
@@ -0,0 +1,13 @@
+import type { Config } from 'tailwindcss'
+
+export default {
+  content: [
+    "./index.html",
+    "./*.{js,ts,jsx,tsx}",
+    "./src/**/*.{js,ts,jsx,tsx}",
+  ],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+} satisfies Config
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
index afd5b2d..5c1d27c 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,11 @@
 {
   "compilerOptions": {
-    "module": "commonjs",
+    "ignoreDeprecations": "6.0",
+    "module": "ESNext",
+    "moduleResolution": "node",
+    "allowImportingTsExtensions": true,
+    "rewriteRelativeImportExtensions": true,
+    "noEmit": true,
     "jsx": "react-jsx",
     "declaration": true,
     "removeComments": true,
@@ -10,7 +15,6 @@
     "target": "ES2021",
     "sourceMap": true,
     "outDir": "./dist",
-    "baseUrl": "./",
     "incremental": true,
     "skipLibCheck": true,
     "strictNullChecks": false,