diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 85cd7eb..da60d5f 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,21 +4,15 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="6c8b3c54-eabb-40e5-967f-c7b594c750bc" name="Changes" comment="Remove compiled API files from version control&#10;&#10;- Deleted compiled JavaScript files, type definitions, and source maps from the `dist` folder.">
-      <change beforePath="$PROJECT_DIR$/.gitignore" beforeDir="false" afterPath="$PROJECT_DIR$/.gitignore" afterDir="false" />
+    <list default="true" id="6c8b3c54-eabb-40e5-967f-c7b594c750bc" name="Changes" comment="Implement authentication, organization management, and floor layout features&#10;&#10;- Add API authentication with JWT strategy using NestJS.&#10;- Configure Prisma schema for organizations, users, buildings, floors, and spaces.&#10;- Seed initial database with test data and relationships.&#10;- Build SvelteKit web pages for dashboard and floor layout with secured routing and organization hierarchy display.&#10;- Remove deprecated `AppService` from API.">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/apps/api/dist/app.service.d.ts" beforeDir="false" />
       <change beforePath="$PROJECT_DIR$/apps/api/package.json" beforeDir="false" afterPath="$PROJECT_DIR$/apps/api/package.json" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/apps/api/prisma/schema.prisma" beforeDir="false" afterPath="$PROJECT_DIR$/apps/api/prisma/schema.prisma" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/apps/api/src/app.module.ts" beforeDir="false" afterPath="$PROJECT_DIR$/apps/api/src/app.module.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/apps/api/src/main.ts" beforeDir="false" afterPath="$PROJECT_DIR$/apps/api/src/main.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/apps/api/src/prisma/prisma.service.ts" beforeDir="false" afterPath="$PROJECT_DIR$/apps/api/src/prisma/prisma.service.ts" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/apps/api/src/spaces/spaces.controller.ts" beforeDir="false" afterPath="$PROJECT_DIR$/apps/api/src/spaces/spaces.controller.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/apps/api/src/spaces/spaces.service.ts" beforeDir="false" afterPath="$PROJECT_DIR$/apps/api/src/spaces/spaces.service.ts" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/apps/web/package.json" beforeDir="false" afterPath="$PROJECT_DIR$/apps/web/package.json" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/apps/web/src/routes/+layout.svelte" beforeDir="false" afterPath="$PROJECT_DIR$/apps/web/src/routes/+layout.svelte" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/apps/web/src/routes/+page.svelte" beforeDir="false" afterPath="$PROJECT_DIR$/apps/web/src/routes/+page.svelte" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/apps/web/src/routes/login/+page.svelte" beforeDir="false" afterPath="$PROJECT_DIR$/apps/web/src/routes/login/+page.svelte" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/apps/web/src/lib/api/client.ts" beforeDir="false" afterPath="$PROJECT_DIR$/apps/web/src/lib/api/client.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/apps/web/src/routes/dashboard/floor/[id]/+page.svelte" beforeDir="false" afterPath="$PROJECT_DIR$/apps/web/src/routes/dashboard/floor/[id]/+page.svelte" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/package-lock.json" beforeDir="false" afterPath="$PROJECT_DIR$/package-lock.json" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
@@ -72,6 +66,11 @@
     "to.speed.mode.migration.done": "true",
     "ts.external.directory.path": "/home/micosil/WebstormProjects/desker/node_modules/typescript/lib",
     "vue.rearranger.settings.migration": "true"
+  },
+  "keyToStringList": {
+    "DatabaseDriversLRU": [
+      "postgresql"
+    ]
   }
 }]]></component>
   <component name="RunManager" selected="npm.web &gt; dev">
@@ -130,7 +129,7 @@
       <option name="presentableId" value="Default" />
       <updated>1774643312599</updated>
       <workItem from="1774643313611" duration="74000" />
-      <workItem from="1774643422240" duration="4582000" />
+      <workItem from="1774643422240" duration="5278000" />
     </task>
     <task id="LOCAL-00001" summary="Initialize Hot Desking app with web and API services  &#10;&#10;- Set up SvelteKit for the web interface with Tailwind CSS.  &#10;- Build the API using NestJS with Prisma ORM for database interaction.  &#10;- Add environment variable management and docker-compose for PostgreSQL and PgAdmin instances.  &#10;- Create shared data models for consistent typing across services.  &#10;- Establish basic routing and layouts for web and API services.">
       <option name="closed" value="true" />
@@ -148,7 +147,15 @@
       <option name="project" value="LOCAL" />
       <updated>1774653909300</updated>
     </task>
-    <option name="localTasksCounter" value="3" />
+    <task id="LOCAL-00003" summary="Implement authentication, organization management, and floor layout features&#10;&#10;- Add API authentication with JWT strategy using NestJS.&#10;- Configure Prisma schema for organizations, users, buildings, floors, and spaces.&#10;- Seed initial database with test data and relationships.&#10;- Build SvelteKit web pages for dashboard and floor layout with secured routing and organization hierarchy display.&#10;- Remove deprecated `AppService` from API.">
+      <option name="closed" value="true" />
+      <created>1774654565964</created>
+      <option name="number" value="00003" />
+      <option name="presentableId" value="LOCAL-00003" />
+      <option name="project" value="LOCAL" />
+      <updated>1774654565964</updated>
+    </task>
+    <option name="localTasksCounter" value="4" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -157,6 +164,7 @@
   <component name="VcsManagerConfiguration">
     <MESSAGE value="Initialize Hot Desking app with web and API services  &#10;&#10;- Set up SvelteKit for the web interface with Tailwind CSS.  &#10;- Build the API using NestJS with Prisma ORM for database interaction.  &#10;- Add environment variable management and docker-compose for PostgreSQL and PgAdmin instances.  &#10;- Create shared data models for consistent typing across services.  &#10;- Establish basic routing and layouts for web and API services." />
     <MESSAGE value="Remove compiled API files from version control&#10;&#10;- Deleted compiled JavaScript files, type definitions, and source maps from the `dist` folder." />
-    <option name="LAST_COMMIT_MESSAGE" value="Remove compiled API files from version control&#10;&#10;- Deleted compiled JavaScript files, type definitions, and source maps from the `dist` folder." />
+    <MESSAGE value="Implement authentication, organization management, and floor layout features&#10;&#10;- Add API authentication with JWT strategy using NestJS.&#10;- Configure Prisma schema for organizations, users, buildings, floors, and spaces.&#10;- Seed initial database with test data and relationships.&#10;- Build SvelteKit web pages for dashboard and floor layout with secured routing and organization hierarchy display.&#10;- Remove deprecated `AppService` from API." />
+    <option name="LAST_COMMIT_MESSAGE" value="Implement authentication, organization management, and floor layout features&#10;&#10;- Add API authentication with JWT strategy using NestJS.&#10;- Configure Prisma schema for organizations, users, buildings, floors, and spaces.&#10;- Seed initial database with test data and relationships.&#10;- Build SvelteKit web pages for dashboard and floor layout with secured routing and organization hierarchy display.&#10;- Remove deprecated `AppService` from API." />
   </component>
 </project>
\ No newline at end of file
diff --git a/apps/api/package.json b/apps/api/package.json
index 91040f1..c805cd9 100644
--- a/apps/api/package.json
+++ b/apps/api/package.json
@@ -26,6 +26,8 @@
     "@nestjs/jwt": "^11.0.2",
     "@nestjs/passport": "^11.0.5",
     "@nestjs/platform-express": "^10.4.22",
+    "@nestjs/platform-socket.io": "^10.4.22",
+    "@nestjs/websockets": "^10.4.22",
     "@prisma/client": "^6.4.0",
     "@types/bcrypt": "^6.0.0",
     "@types/passport-jwt": "^4.0.1",
@@ -36,7 +38,8 @@
     "passport-jwt": "^4.0.1",
     "prisma": "^6.4.0",
     "reflect-metadata": "^0.2.2",
-    "rxjs": "^7.8.2"
+    "rxjs": "^7.8.2",
+    "socket.io": "^4.8.3"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3.2.0",
diff --git a/apps/api/prisma/schema.prisma b/apps/api/prisma/schema.prisma
index fca9a41..47e0bbf 100644
--- a/apps/api/prisma/schema.prisma
+++ b/apps/api/prisma/schema.prisma
@@ -50,24 +50,38 @@ model Floor {
 }
 
 model Space {
-  id        String    @id @default(uuid())
-  name      String
-  type      SpaceType
-  floor     Floor     @relation(fields: [floorId], references: [id])
-  floorId   String
-  x         Float?    // Percentage-based for responsiveness (Stage 3)
-  y         Float?
-  createdAt DateTime  @default(now())
-  updatedAt DateTime  @updatedAt
+  id           String        @id @default(uuid())
+  name         String
+  type         SpaceType
+  floor        Floor         @relation(fields: [floorId], references: [id])
+  floorId      String
+  x            Float? // Percentage-based for responsiveness (Stage 3)
+  y            Float?
+  reservations Reservation[]
+  createdAt    DateTime      @default(now())
+  updatedAt    DateTime      @updatedAt
 }
 
 model User {
-  id             String       @id @default(uuid())
-  email          String       @unique
+  id             String        @id @default(uuid())
+  email          String        @unique
   password       String
-  role           Role         @default(EMPLOYEE)
-  organization   Organization @relation(fields: [organizationId], references: [id])
+  role           Role          @default(EMPLOYEE)
+  organization   Organization  @relation(fields: [organizationId], references: [id])
   organizationId String
-  createdAt      DateTime     @default(now())
-  updatedAt      DateTime     @updatedAt
+  reservations   Reservation[]
+  createdAt      DateTime      @default(now())
+  updatedAt      DateTime      @updatedAt
+}
+
+model Reservation {
+  id        String   @id @default(uuid())
+  startTime DateTime
+  endTime   DateTime
+  user      User     @relation(fields: [userId], references: [id])
+  userId    String
+  space     Space    @relation(fields: [spaceId], references: [id])
+  spaceId   String
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
 }
diff --git a/apps/api/src/app.module.ts b/apps/api/src/app.module.ts
index 53d75f5..343b905 100644
--- a/apps/api/src/app.module.ts
+++ b/apps/api/src/app.module.ts
@@ -1,10 +1,13 @@
-import { Module } from '@nestjs/common';
+import { MiddlewareConsumer, Module, NestModule } from '@nestjs/common';
 import { ConfigModule } from '@nestjs/config';
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
 import { PrismaModule } from './prisma/prisma.module';
 import { SpacesModule } from './spaces/spaces.module';
 import { AuthModule } from './auth/auth.module';
+import { ReservationsModule } from './reservations/reservations.module';
+import { EventsModule } from './events/events.module';
+import { LoggerMiddleware } from './common/middleware/logger.middleware';
 
 @Module({
   imports: [
@@ -12,8 +15,14 @@ import { AuthModule } from './auth/auth.module';
     PrismaModule,
     SpacesModule,
     AuthModule,
+    ReservationsModule,
+    EventsModule,
   ],
   controllers: [AppController],
   providers: [AppService],
 })
-export class AppModule {}
+export class AppModule implements NestModule {
+  configure(consumer: MiddlewareConsumer) {
+    consumer.apply(LoggerMiddleware).forRoutes('*');
+  }
+}
diff --git a/apps/api/src/common/filters/http-exception.filter.ts b/apps/api/src/common/filters/http-exception.filter.ts
index 0def6e0..861999a 100644
--- a/apps/api/src/common/filters/http-exception.filter.ts
+++ b/apps/api/src/common/filters/http-exception.filter.ts
@@ -20,6 +20,10 @@ export class HttpExceptionFilter implements ExceptionFilter {
       ? exception.getStatus()
       : HttpStatus.INTERNAL_SERVER_ERROR;
 
+    if (!isHttpException) {
+      console.error(exception);
+    }
+
     const message = isHttpException
       ? exception.getResponse()
       : 'Internal server error';
diff --git a/apps/api/src/common/middleware/logger.middleware.ts b/apps/api/src/common/middleware/logger.middleware.ts
new file mode 100644
index 0000000..50286ec
--- /dev/null
+++ b/apps/api/src/common/middleware/logger.middleware.ts
@@ -0,0 +1,23 @@
+import { Injectable, Logger, NestMiddleware } from '@nestjs/common';
+import { Request, Response, NextFunction } from 'express';
+
+@Injectable()
+export class LoggerMiddleware implements NestMiddleware {
+  private logger = new Logger('HTTP');
+
+  use(request: Request, response: Response, next: NextFunction): void {
+    const { method, originalUrl } = request;
+    const userAgent = request.get('user-agent') || '';
+
+    response.on('finish', () => {
+      const { statusCode } = response;
+      const contentLength = response.get('content-length');
+
+      this.logger.log(
+        `${method} ${originalUrl} ${statusCode} ${contentLength} - ${userAgent}`,
+      );
+    });
+
+    next();
+  }
+}
diff --git a/apps/api/src/events/events.gateway.ts b/apps/api/src/events/events.gateway.ts
new file mode 100644
index 0000000..13e39bf
--- /dev/null
+++ b/apps/api/src/events/events.gateway.ts
@@ -0,0 +1,45 @@
+import {
+  WebSocketGateway,
+  WebSocketServer,
+  SubscribeMessage,
+  OnGatewayConnection,
+  OnGatewayDisconnect,
+} from '@nestjs/websockets';
+import { Server, Socket } from 'socket.io';
+
+@WebSocketGateway({
+  cors: {
+    origin: '*',
+  },
+})
+export class EventsGateway implements OnGatewayConnection, OnGatewayDisconnect {
+  @WebSocketServer()
+  server: Server;
+
+  handleConnection(client: Socket) {
+    console.log(`Client connected: ${client.id}`);
+  }
+
+  handleDisconnect(client: Socket) {
+    console.log(`Client disconnected: ${client.id}`);
+  }
+
+  @SubscribeMessage('join_floor')
+  handleJoinFloor(client: Socket, floorId: string) {
+    client.join(floorId);
+    console.log(`Client ${client.id} joined floor: ${floorId}`);
+  }
+
+  @SubscribeMessage('leave_floor')
+  handleLeaveFloor(client: Socket, floorId: string) {
+    client.leave(floorId);
+    console.log(`Client ${client.id} left floor: ${floorId}`);
+  }
+
+  emitSpaceStatusChanged(floorId: string, spaceId: string, isOccupied: boolean) {
+    this.server.to(floorId).emit('space_status_changed', {
+      spaceId,
+      isOccupied,
+    });
+  }
+}
diff --git a/apps/api/src/events/events.module.ts b/apps/api/src/events/events.module.ts
new file mode 100644
index 0000000..d97b523
--- /dev/null
+++ b/apps/api/src/events/events.module.ts
@@ -0,0 +1,8 @@
+import { Module } from '@nestjs/common';
+import { EventsGateway } from './events.gateway';
+
+@Module({
+  providers: [EventsGateway],
+  exports: [EventsGateway],
+})
+export class EventsModule {}
diff --git a/apps/api/src/reservations/dto/create-reservation.dto.ts b/apps/api/src/reservations/dto/create-reservation.dto.ts
new file mode 100644
index 0000000..d8e2aa4
--- /dev/null
+++ b/apps/api/src/reservations/dto/create-reservation.dto.ts
@@ -0,0 +1,15 @@
+import { IsString, IsDateString, IsNotEmpty } from 'class-validator';
+
+export class CreateReservationDto {
+  @IsDateString()
+  @IsNotEmpty()
+  startTime: string;
+
+  @IsDateString()
+  @IsNotEmpty()
+  endTime: string;
+
+  @IsString()
+  @IsNotEmpty()
+  spaceId: string;
+}
diff --git a/apps/api/src/reservations/reservations.controller.ts b/apps/api/src/reservations/reservations.controller.ts
new file mode 100644
index 0000000..4f9665d
--- /dev/null
+++ b/apps/api/src/reservations/reservations.controller.ts
@@ -0,0 +1,34 @@
+import {
+  Controller,
+  Post,
+  Delete,
+  Get,
+  Body,
+  Param,
+  UseGuards,
+  Req,
+} from '@nestjs/common';
+import { ReservationsService } from './reservations.service';
+import { CreateReservationDto } from './dto/create-reservation.dto';
+import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
+
+@Controller('reservations')
+@UseGuards(JwtAuthGuard)
+export class ReservationsController {
+  constructor(private readonly reservationsService: ReservationsService) {}
+
+  @Post()
+  create(@Req() req, @Body() createReservationDto: CreateReservationDto) {
+    return this.reservationsService.create(req.user.id, createReservationDto);
+  }
+
+  @Delete(':id')
+  cancel(@Param('id') id: string) {
+    return this.reservationsService.cancel(id);
+  }
+
+  @Get('my')
+  findAllMy(@Req() req) {
+    return this.reservationsService.findAllByUserId(req.user.id);
+  }
+}
diff --git a/apps/api/src/reservations/reservations.module.ts b/apps/api/src/reservations/reservations.module.ts
new file mode 100644
index 0000000..b30889d
--- /dev/null
+++ b/apps/api/src/reservations/reservations.module.ts
@@ -0,0 +1,13 @@
+import { Module } from '@nestjs/common';
+import { ReservationsService } from './reservations.service';
+import { ReservationsController } from './reservations.controller';
+import { PrismaModule } from '../prisma/prisma.module';
+import { EventsModule } from '../events/events.module';
+
+@Module({
+  imports: [PrismaModule, EventsModule],
+  controllers: [ReservationsController],
+  providers: [ReservationsService],
+  exports: [ReservationsService],
+})
+export class ReservationsModule {}
diff --git a/apps/api/src/reservations/reservations.service.ts b/apps/api/src/reservations/reservations.service.ts
new file mode 100644
index 0000000..50a3828
--- /dev/null
+++ b/apps/api/src/reservations/reservations.service.ts
@@ -0,0 +1,69 @@
+import { Injectable, NotFoundException } from '@nestjs/common';
+import { PrismaService } from '../prisma/prisma.service';
+import { EventsGateway } from '../events/events.gateway';
+import { CreateReservationDto } from './dto/create-reservation.dto';
+
+@Injectable()
+export class ReservationsService {
+  constructor(
+    private prisma: PrismaService,
+    private eventsGateway: EventsGateway,
+  ) {}
+
+  async create(userId: string, createReservationDto: CreateReservationDto) {
+    const { spaceId, startTime, endTime } = createReservationDto;
+
+    const space = await this.prisma.space.findUnique({
+      where: { id: spaceId },
+    });
+
+    if (!space) {
+      throw new NotFoundException(`Space with ID ${spaceId} not found`);
+    }
+
+    const reservation = await this.prisma.reservation.create({
+      data: {
+        startTime: new Date(startTime),
+        endTime: new Date(endTime),
+        userId,
+        spaceId,
+      },
+    });
+
+    // Notify clients on the floor
+    this.eventsGateway.emitSpaceStatusChanged(space.floorId, spaceId, true);
+
+    return reservation;
+  }
+
+  async cancel(reservationId: string) {
+    const reservation = await this.prisma.reservation.findUnique({
+      where: { id: reservationId },
+      include: { space: true },
+    });
+
+    if (!reservation) {
+      throw new NotFoundException(`Reservation with ID ${reservationId} not found`);
+    }
+
+    await this.prisma.reservation.delete({
+      where: { id: reservationId },
+    });
+
+    // Notify clients on the floor
+    this.eventsGateway.emitSpaceStatusChanged(
+      reservation.space.floorId,
+      reservation.spaceId,
+      false,
+    );
+
+    return { message: 'Reservation cancelled' };
+  }
+
+  async findAllByUserId(userId: string) {
+    return this.prisma.reservation.findMany({
+      where: { userId },
+      include: { space: true },
+    });
+  }
+}
diff --git a/apps/api/src/spaces/spaces.service.ts b/apps/api/src/spaces/spaces.service.ts
index e6a645e..7670c2d 100644
--- a/apps/api/src/spaces/spaces.service.ts
+++ b/apps/api/src/spaces/spaces.service.ts
@@ -1,15 +1,30 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable, Logger } from '@nestjs/common';
 import { PrismaService } from '../prisma/prisma.service';
 
 @Injectable()
 export class SpacesService {
+  private readonly logger = new Logger(SpacesService.name);
+
   constructor(private prisma: PrismaService) {}
 
   async getFloorLayout(floorId: string) {
     return this.prisma.floor.findUnique({
       where: { id: floorId },
       include: {
-        spaces: true,
+        spaces: {
+          include: {
+            reservations: {
+              where: {
+                endTime: {
+                  gte: new Date(),
+                },
+                startTime: {
+                  lte: new Date(),
+                },
+              },
+            },
+          },
+        },
         building: {
           include: {
             organization: true,
diff --git a/apps/web/package.json b/apps/web/package.json
index 689427a..df15b74 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -26,6 +26,7 @@
   },
   "type": "module",
   "dependencies": {
-    "import-meta-resolve": "^4.2.0"
+    "import-meta-resolve": "^4.2.0",
+    "socket.io-client": "^4.8.3"
   }
 }
diff --git a/apps/web/src/lib/api/client.ts b/apps/web/src/lib/api/client.ts
index 7282e79..36bd578 100644
--- a/apps/web/src/lib/api/client.ts
+++ b/apps/web/src/lib/api/client.ts
@@ -2,9 +2,10 @@ const API_BASE_URL = import.meta.env.VITE_API_BASE_URL ?? 'http://localhost:3000
 
 export async function apiFetch<T>(
   path: string,
-  options: RequestInit = {},
+  options: RequestInit & { fetch?: typeof fetch } = {},
 ): Promise<T> {
-  const res = await fetch(`${API_BASE_URL}${path}`, {
+  const fetchFn = options.fetch ?? fetch;
+  const res = await fetchFn(`${API_BASE_URL}${path}`, {
     headers: {
       'Content-Type': 'application/json',
       ...(options.headers ?? {}),
diff --git a/apps/web/src/lib/components/SpaceCard.svelte b/apps/web/src/lib/components/SpaceCard.svelte
new file mode 100644
index 0000000..ef4ce52
--- /dev/null
+++ b/apps/web/src/lib/components/SpaceCard.svelte
@@ -0,0 +1,55 @@
+<script lang="ts">
+  import { onMount, onDestroy } from 'svelte';
+  import { io, Socket } from 'socket.io-client';
+
+  export let spaceId: string;
+  export let name: string;
+  export let type: string;
+  export let floorId: string;
+  export let initialStatus: boolean = false; // true if occupied
+
+  let isOccupied = initialStatus;
+  let socket: Socket;
+
+  onMount(() => {
+    // Connect to WebSocket using the environment variable for the backend URL.
+    const socketUrl = import.meta.env.VITE_API_BASE_URL ?? 'http://localhost:3000';
+    socket = io(socketUrl);
+
+    socket.on('connect', () => {
+      console.log('Connected to WebSocket');
+      socket.emit('join_floor', floorId);
+    });
+
+    socket.on('space_status_changed', (data: { spaceId: string, isOccupied: boolean }) => {
+      if (data.spaceId === spaceId) {
+        isOccupied = data.isOccupied;
+      }
+    });
+
+    socket.on('disconnect', () => {
+      console.log('Disconnected from WebSocket');
+    });
+  });
+
+  onDestroy(() => {
+    if (socket) {
+      socket.emit('leave_floor', floorId);
+      socket.disconnect();
+    }
+  });
+</script>
+
+<div class="p-4 border rounded shadow-md {isOccupied ? 'bg-red-100 border-red-500' : 'bg-green-100 border-green-500'}">
+  <div class="flex justify-between items-center">
+    <div>
+      <h3 class="font-bold text-lg">{name}</h3>
+      <p class="text-sm text-gray-600">{type}</p>
+    </div>
+    <div class="flex flex-col items-end">
+      <span class="px-2 py-1 rounded text-xs font-semibold {isOccupied ? 'bg-red-500 text-white' : 'bg-green-500 text-white'}">
+        {isOccupied ? 'Occupied' : 'Available'}
+      </span>
+    </div>
+  </div>
+</div>
diff --git a/apps/web/src/routes/dashboard/floor/[id]/+page.svelte b/apps/web/src/routes/dashboard/floor/[id]/+page.svelte
index 09d2cca..93de119 100644
--- a/apps/web/src/routes/dashboard/floor/[id]/+page.svelte
+++ b/apps/web/src/routes/dashboard/floor/[id]/+page.svelte
@@ -3,6 +3,7 @@
   import { onMount } from "svelte";
   import { token } from "$lib/stores/auth";
   import { goto } from "$app/navigation";
+  import SpaceCard from '$lib/components/SpaceCard.svelte';
 
   let floor: any = null;
   let loading = true;
@@ -10,18 +11,22 @@
   onMount(async () => {
     const floorId = $page.params.id;
     if (!$token) {
-      goto("/login");
+      goto(`/login?redirect=/dashboard/floor/${floorId}`);
       return;
     }
 
     try {
-      const res = await fetch(`http://localhost:3000/spaces/floor/${floorId}`, {
+      const apiBase = import.meta.env.VITE_API_BASE_URL ?? 'http://localhost:3000';
+      const res = await fetch(`${apiBase}/spaces/floor/${floorId}`, {
         headers: {
-          Authorization: `Bearer ${$token}`,
+          'Content-Type': 'application/json',
+          'Authorization': `Bearer ${$token}`,
         },
       });
       if (res.ok) {
         floor = await res.json();
+      } else if (res.status === 401) {
+        goto("/login");
       }
     } catch (e) {
       console.error(e);
@@ -42,10 +47,13 @@
 
     <div class="grid grid-cols-2 md:grid-cols-4 lg:grid-cols-6 gap-4">
       {#each floor.spaces as space}
-        <div class="border p-4 rounded bg-gray-50 flex flex-col items-center justify-center text-center">
-          <span class="font-semibold">{space.name}</span>
-          <span class="text-xs text-gray-500 uppercase">{space.type}</span>
-        </div>
+        <SpaceCard
+          spaceId={space.id}
+          name={space.name}
+          type={space.type}
+          floorId={floor.id}
+          initialStatus={space.reservations && space.reservations.length > 0}
+        />
       {/each}
     </div>
   {:else}
diff --git a/apps/web/src/routes/dashboard/floor/[id]/+page.ts b/apps/web/src/routes/dashboard/floor/[id]/+page.ts
new file mode 100644
index 0000000..b129451
--- /dev/null
+++ b/apps/web/src/routes/dashboard/floor/[id]/+page.ts
@@ -0,0 +1,8 @@
+import { error } from '@sveltejs/kit';
+import { apiFetch } from '$lib/api/client';
+
+export const load = async () => {
+  return {};
+};
+
+export const ssr = false;
diff --git a/package-lock.json b/package-lock.json
index fae8e6d..6456a92 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,6 +20,8 @@
         "@nestjs/jwt": "^11.0.2",
         "@nestjs/passport": "^11.0.5",
         "@nestjs/platform-express": "^10.4.22",
+        "@nestjs/platform-socket.io": "^10.4.22",
+        "@nestjs/websockets": "^10.4.22",
         "@prisma/client": "^6.4.0",
         "@types/bcrypt": "^6.0.0",
         "@types/passport-jwt": "^4.0.1",
@@ -30,7 +32,8 @@
         "passport-jwt": "^4.0.1",
         "prisma": "^6.4.0",
         "reflect-metadata": "^0.2.2",
-        "rxjs": "^7.8.2"
+        "rxjs": "^7.8.2",
+        "socket.io": "^4.8.3"
       },
       "devDependencies": {
         "@eslint/eslintrc": "^3.2.0",
@@ -61,7 +64,8 @@
     "apps/web": {
       "version": "0.0.1",
       "dependencies": {
-        "import-meta-resolve": "^4.2.0"
+        "import-meta-resolve": "^4.2.0",
+        "socket.io-client": "^4.8.3"
       },
       "devDependencies": {
         "@sveltejs/adapter-auto": "^3.3.1",
@@ -2498,6 +2502,57 @@
         "@nestjs/core": "^10.0.0"
       }
     },
+    "node_modules/@nestjs/platform-socket.io": {
+      "version": "10.4.22",
+      "resolved": "https://registry.npmjs.org/@nestjs/platform-socket.io/-/platform-socket.io-10.4.22.tgz",
+      "integrity": "sha512-xxGw3R0Ihr51/Omq23z3//bKmCXyVKaikxbH0/pkwqMsQrxkUv9NabNUZ22b4Jnlwwi02X+zlwo8GRa9u8oV9g==",
+      "dependencies": {
+        "socket.io": "4.8.1",
+        "tslib": "2.8.1"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/nest"
+      },
+      "peerDependencies": {
+        "@nestjs/common": "^10.0.0",
+        "@nestjs/websockets": "^10.0.0",
+        "rxjs": "^7.1.0"
+      }
+    },
+    "node_modules/@nestjs/platform-socket.io/node_modules/debug": {
+      "version": "4.3.7",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.7.tgz",
+      "integrity": "sha512-Er2nc/H7RrMXZBFCEim6TCmMk02Z8vLC2Rbi1KEBggpo0fS6l0S1nnapwmIi3yW/+GOJap1Krg4w0Hg80oCqgQ==",
+      "dependencies": {
+        "ms": "^2.1.3"
+      },
+      "engines": {
+        "node": ">=6.0"
+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@nestjs/platform-socket.io/node_modules/socket.io": {
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.8.1.tgz",
+      "integrity": "sha512-oZ7iUCxph8WYRHHcjBEc9unw3adt5CmSNlppj/5Q4k2RIrhl8Z5yY2Xr4j9zj0+wzVZ0bxmYoGSzKJnRl6A4yg==",
+      "dependencies": {
+        "accepts": "~1.3.4",
+        "base64id": "~2.0.0",
+        "cors": "~2.8.5",
+        "debug": "~4.3.2",
+        "engine.io": "~6.6.0",
+        "socket.io-adapter": "~2.5.2",
+        "socket.io-parser": "~4.2.4"
+      },
+      "engines": {
+        "node": ">=10.2.0"
+      }
+    },
     "node_modules/@nestjs/schematics": {
       "version": "10.2.3",
       "resolved": "https://registry.npmjs.org/@nestjs/schematics/-/schematics-10.2.3.tgz",
@@ -2547,6 +2602,28 @@
         }
       }
     },
+    "node_modules/@nestjs/websockets": {
+      "version": "10.4.22",
+      "resolved": "https://registry.npmjs.org/@nestjs/websockets/-/websockets-10.4.22.tgz",
+      "integrity": "sha512-OLd4i0Faq7vgdtB5vVUrJ54hWEtcXy9poJ6n7kbbh/5ms+KffUl+wwGsbe7uSXLrkoyI8xXU6fZPkFArI+XiRg==",
+      "dependencies": {
+        "iterare": "1.2.1",
+        "object-hash": "3.0.0",
+        "tslib": "2.8.1"
+      },
+      "peerDependencies": {
+        "@nestjs/common": "^10.0.0",
+        "@nestjs/core": "^10.0.0",
+        "@nestjs/platform-socket.io": "^10.0.0",
+        "reflect-metadata": "^0.1.12 || ^0.2.0",
+        "rxjs": "^7.1.0"
+      },
+      "peerDependenciesMeta": {
+        "@nestjs/platform-socket.io": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@noble/hashes": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.8.0.tgz",
@@ -3069,6 +3146,11 @@
         "@sinonjs/commons": "^3.0.1"
       }
     },
+    "node_modules/@socket.io/component-emitter": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.2.tgz",
+      "integrity": "sha512-9BCxFwvbGg/RsZK9tjXd8s4UcwR0MWeFQ1XEKIQVVvAGJyINdrqKMcTRyLoK8Rse1GjzLV9cwjWV1olXRWEXVA=="
+    },
     "node_modules/@standard-schema/spec": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.1.0.tgz",
@@ -3309,6 +3391,14 @@
       "integrity": "sha512-he+DHOWReW0nghN24E1WUqM0efK4kI9oTqDm6XmK8ZPe2djZ90BSNdGnIyCLzCPw7/pogPlGbzI2wHGGmi4O/Q==",
       "dev": true
     },
+    "node_modules/@types/cors": {
+      "version": "2.8.19",
+      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.19.tgz",
+      "integrity": "sha512-mFNylyeyqN93lfe/9CSxOGREz8cpzAhH+E93xJ4xWQf62V8sQ/24reV2nyzUWM6H6Xji+GGHpkbLe7pVoUEskg==",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/eslint": {
       "version": "9.6.1",
       "resolved": "https://registry.npmjs.org/@types/eslint/-/eslint-9.6.1.tgz",
@@ -3527,6 +3617,14 @@
       "resolved": "https://registry.npmjs.org/@types/validator/-/validator-13.15.10.tgz",
       "integrity": "sha512-T8L6i7wCuyoK8A/ZeLYt1+q0ty3Zb9+qbSSvrIVitzT3YjZqkTZ40IbRsPanlB4h1QB3JVL1SYCdR6ngtFYcuA=="
     },
+    "node_modules/@types/ws": {
+      "version": "8.18.1",
+      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.18.1.tgz",
+      "integrity": "sha512-ThVF6DCVhA8kUGy+aazFQ4kXQ7E1Ty7A3ypFOe0IcJV8O/M511G99AW24irKrW56Wt44yG9+ij8FaqoBGkuBXg==",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/yargs": {
       "version": "17.0.35",
       "resolved": "https://registry.npmjs.org/@types/yargs/-/yargs-17.0.35.tgz",
@@ -4642,6 +4740,14 @@
         }
       ]
     },
+    "node_modules/base64id": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
+      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==",
+      "engines": {
+        "node": "^4.5.0 || >= 5.9"
+      }
+    },
     "node_modules/baseline-browser-mapping": {
       "version": "2.10.11",
       "resolved": "https://registry.npmjs.org/baseline-browser-mapping/-/baseline-browser-mapping-2.10.11.tgz",
@@ -5757,6 +5863,54 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/engine.io": {
+      "version": "6.6.6",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.6.6.tgz",
+      "integrity": "sha512-U2SN0w3OpjFRVlrc17E6TMDmH58Xl9rai1MblNjAdwWp07Kk+llmzX0hjDpQdrDGzwmvOtgM5yI+meYX6iZ2xA==",
+      "dependencies": {
+        "@types/cors": "^2.8.12",
+        "@types/node": ">=10.0.0",
+        "@types/ws": "^8.5.12",
+        "accepts": "~1.3.4",
+        "base64id": "2.0.0",
+        "cookie": "~0.7.2",
+        "cors": "~2.8.5",
+        "debug": "~4.4.1",
+        "engine.io-parser": "~5.2.1",
+        "ws": "~8.18.3"
+      },
+      "engines": {
+        "node": ">=10.2.0"
+      }
+    },
+    "node_modules/engine.io-client": {
+      "version": "6.6.4",
+      "resolved": "https://registry.npmjs.org/engine.io-client/-/engine.io-client-6.6.4.tgz",
+      "integrity": "sha512-+kjUJnZGwzewFDw951CDWcwj35vMNf2fcj7xQWOctq1F2i1jkDdVvdFG9kM/BEChymCH36KgjnW0NsL58JYRxw==",
+      "dependencies": {
+        "@socket.io/component-emitter": "~3.1.0",
+        "debug": "~4.4.1",
+        "engine.io-parser": "~5.2.1",
+        "ws": "~8.18.3",
+        "xmlhttprequest-ssl": "~2.1.1"
+      }
+    },
+    "node_modules/engine.io-parser": {
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.2.3.tgz",
+      "integrity": "sha512-HqD3yTBfnBxIrbnM1DoD6Pcq8NECnh8d4As1Qgh0z5Gg3jRRIqijury0CL3ghu/edArpUYiYqQiDUQBIs4np3Q==",
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
+    "node_modules/engine.io/node_modules/cookie": {
+      "version": "0.7.2",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.7.2.tgz",
+      "integrity": "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w==",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/enhanced-resolve": {
       "version": "5.20.1",
       "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.20.1.tgz",
@@ -8860,7 +9014,6 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/object-hash/-/object-hash-3.0.0.tgz",
       "integrity": "sha512-RSn9F68PjH9HqtltsSnqYC1XXoWe9Bju5+213R98cNGttag9q9yAOTzdbsqvIa7aNm5WffBZFpWYr2aWrklWAw==",
-      "dev": true,
       "engines": {
         "node": ">= 6"
       }
@@ -10198,6 +10351,58 @@
         "node": ">=8"
       }
     },
+    "node_modules/socket.io": {
+      "version": "4.8.3",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.8.3.tgz",
+      "integrity": "sha512-2Dd78bqzzjE6KPkD5fHZmDAKRNe3J15q+YHDrIsy9WEkqttc7GY+kT9OBLSMaPbQaEd0x1BjcmtMtXkfpc+T5A==",
+      "dependencies": {
+        "accepts": "~1.3.4",
+        "base64id": "~2.0.0",
+        "cors": "~2.8.5",
+        "debug": "~4.4.1",
+        "engine.io": "~6.6.0",
+        "socket.io-adapter": "~2.5.2",
+        "socket.io-parser": "~4.2.4"
+      },
+      "engines": {
+        "node": ">=10.2.0"
+      }
+    },
+    "node_modules/socket.io-adapter": {
+      "version": "2.5.6",
+      "resolved": "https://registry.npmjs.org/socket.io-adapter/-/socket.io-adapter-2.5.6.tgz",
+      "integrity": "sha512-DkkO/dz7MGln0dHn5bmN3pPy+JmywNICWrJqVWiVOyvXjWQFIv9c2h24JrQLLFJ2aQVQf/Cvl1vblnd4r2apLQ==",
+      "dependencies": {
+        "debug": "~4.4.1",
+        "ws": "~8.18.3"
+      }
+    },
+    "node_modules/socket.io-client": {
+      "version": "4.8.3",
+      "resolved": "https://registry.npmjs.org/socket.io-client/-/socket.io-client-4.8.3.tgz",
+      "integrity": "sha512-uP0bpjWrjQmUt5DTHq9RuoCBdFJF10cdX9X+a368j/Ft0wmaVgxlrjvK3kjvgCODOMMOz9lcaRzxmso0bTWZ/g==",
+      "dependencies": {
+        "@socket.io/component-emitter": "~3.1.0",
+        "debug": "~4.4.1",
+        "engine.io-client": "~6.6.1",
+        "socket.io-parser": "~4.2.4"
+      },
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
+    "node_modules/socket.io-parser": {
+      "version": "4.2.6",
+      "resolved": "https://registry.npmjs.org/socket.io-parser/-/socket.io-parser-4.2.6.tgz",
+      "integrity": "sha512-asJqbVBDsBCJx0pTqw3WfesSY0iRX+2xzWEWzrpcH7L6fLzrhyF8WPI8UaeM4YCuDfpwA/cgsdugMsmtz8EJeg==",
+      "dependencies": {
+        "@socket.io/component-emitter": "~3.1.0",
+        "debug": "~4.4.1"
+      },
+      "engines": {
+        "node": ">=10.0.0"
+      }
+    },
     "node_modules/sorcery": {
       "version": "0.11.1",
       "resolved": "https://registry.npmjs.org/sorcery/-/sorcery-0.11.1.tgz",
@@ -11803,6 +12008,34 @@
         "node": "^14.17.0 || ^16.13.0 || >=18.0.0"
       }
     },
+    "node_modules/ws": {
+      "version": "8.18.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz",
+      "integrity": "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": ">=5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/xmlhttprequest-ssl": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-2.1.2.tgz",
+      "integrity": "sha512-TEU+nJVUUnA4CYJFLvK5X9AOeH4KvDvhIfm0vV1GaQRtchnG0hgK5p8hw/xjv8cunWYCsiPCSDzObPyhEwq3KQ==",
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",