Added UI

.gitignore

@@ -0,0 +1,39 @@
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+.kotlin
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.5/apache-maven-3.8.5-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.3.2/maven-wrapper-3.3.2.jar

mvnw

@@ -0,0 +1,316 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /usr/local/etc/mavenrc ] ; then
+    . /usr/local/etc/mavenrc
+  fi
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`\\unset -f command; \\command -v java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    fi
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        fi
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  $MAVEN_DEBUG_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" \
+  "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

mvnw.cmd

@@ -0,0 +1,188 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+  %JVM_CONFIG_MAVEN_PROPS% ^
+  %MAVEN_OPTS% ^
+  %MAVEN_DEBUG_OPTS% ^
+  -classpath %WRAPPER_JAR% ^
+  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%

pom.xml

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.example</groupId>
+    <artifactId>PetShopDesktop</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <name>PetShopDesktop</name>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <junit.version>5.12.1</junit.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.openjfx</groupId>
+            <artifactId>javafx-controls</artifactId>
+            <version>21.0.6</version>
+        </dependency>
+        <dependency>
+            <groupId>org.openjfx</groupId>
+            <artifactId>javafx-fxml</artifactId>
+            <version>21.0.6</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.13.0</version>
+                <configuration>
+                    <source>23</source>
+                    <target>23</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.openjfx</groupId>
+                <artifactId>javafx-maven-plugin</artifactId>
+                <version>0.0.8</version>
+                <executions>
+                    <execution>
+                        <!-- Default configuration for running with: mvn clean javafx:run -->
+                        <id>default-cli</id>
+                        <configuration>
+                            <mainClass>org.example.petshopdesktop/org.example.petshopdesktop.PetShopApplication
+                            </mainClass>
+                            <launcher>app</launcher>
+                            <jlinkZipName>app</jlinkZipName>
+                            <jlinkImageName>app</jlinkImageName>
+                            <noManPages>true</noManPages>
+                            <stripDebug>true</stripDebug>
+                            <noHeaderFiles>true</noHeaderFiles>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/main/java/module-info.java

@@ -0,0 +1,10 @@
+module org.example.petshopdesktop {
+    requires javafx.controls;
+    requires javafx.fxml;
+
+
+    opens org.example.petshopdesktop to javafx.fxml;
+    exports org.example.petshopdesktop;
+    exports org.example.petshopdesktop.controllers;
+    opens org.example.petshopdesktop.controllers to javafx.fxml;
+}

src/main/java/org/example/petshopdesktop/Launcher.java

@@ -0,0 +1,9 @@
+package org.example.petshopdesktop;
+
+import javafx.application.Application;
+
+public class Launcher {
+    public static void main(String[] args) {
+        Application.launch(PetShopApplication.class, args);
+    }
+}

src/main/java/org/example/petshopdesktop/PetShopApplication.java

@@ -0,0 +1,19 @@
+package org.example.petshopdesktop;
+
+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+
+import java.io.IOException;
+
+public class PetShopApplication extends Application {
+    @Override
+    public void start(Stage stage) throws IOException {
+        FXMLLoader fxmlLoader = new FXMLLoader(PetShopApplication.class.getResource("main-layout-view.fxml"));
+        Scene scene = new Scene(fxmlLoader.load());
+        stage.setTitle("Pet Shop Manager");
+        stage.setScene(scene);
+        stage.show();
+    }
+}

src/main/java/org/example/petshopdesktop/controllers/AdoptionController.java

@@ -0,0 +1,60 @@
+package org.example.petshopdesktop.controllers;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
+
+public class AdoptionController {
+
+    @FXML
+    private Button btnAdd;
+
+    @FXML
+    private Button btnDelete;
+
+    @FXML
+    private Button btnEdit;
+
+    @FXML
+    private TableColumn<?, ?> colAdoptionDate;
+
+    @FXML
+    private TableColumn<?, ?> colAdoptionFee;
+
+    @FXML
+    private TableColumn<?, ?> colAdoptionId;
+
+    @FXML
+    private TableColumn<?, ?> colAdoptionStatus;
+
+    @FXML
+    private TableColumn<?, ?> colCustomerName;
+
+    @FXML
+    private TableColumn<?, ?> colPetId;
+
+    @FXML
+    private TableView<?> tvAdoptions;
+
+    @FXML
+    private TextField txtSearch;
+
+    @FXML
+    void btnAddClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnDeleteClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnEditClicked(ActionEvent event) {
+
+    }
+
+}

src/main/java/org/example/petshopdesktop/controllers/AppointmentController.java

@@ -0,0 +1,63 @@
+package org.example.petshopdesktop.controllers;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
+
+public class AppointmentController {
+
+    @FXML
+    private Button btnAdd;
+
+    @FXML
+    private Button btnDelete;
+
+    @FXML
+    private Button btnEdit;
+
+    @FXML
+    private TableColumn<?, ?> colAppointmentDate;
+
+    @FXML
+    private TableColumn<?, ?> colAppointmentId;
+
+    @FXML
+    private TableColumn<?, ?> colAppointmentStatus;
+
+    @FXML
+    private TableColumn<?, ?> colAppointmentTime;
+
+    @FXML
+    private TableColumn<?, ?> colCustomerName;
+
+    @FXML
+    private TableColumn<?, ?> colPetName;
+
+    @FXML
+    private TableColumn<?, ?> colServiceName;
+
+    @FXML
+    private TableView<?> tvAppointments;
+
+    @FXML
+    private TextField txtSearch;
+
+    @FXML
+    void btnAddClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnDeleteClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnEditClicked(ActionEvent event) {
+
+    }
+
+}

src/main/java/org/example/petshopdesktop/controllers/InventoryController.java

@@ -0,0 +1,54 @@
+package org.example.petshopdesktop.controllers;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
+
+public class InventoryController {
+
+    @FXML
+    private Button btnAdd;
+
+    @FXML
+    private Button btnDelete;
+
+    @FXML
+    private Button btnEdit;
+
+    @FXML
+    private TableColumn<?, ?> colInventoryId;
+
+    @FXML
+    private TableColumn<?, ?> colProductId;
+
+    @FXML
+    private TableColumn<?, ?> colProductName;
+
+    @FXML
+    private TableColumn<?, ?> colQuantity;
+
+    @FXML
+    private TableView<?> tvInventory;
+
+    @FXML
+    private TextField txtSearch;
+
+    @FXML
+    void btnAddClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnDeleteClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnEditClicked(ActionEvent event) {
+
+    }
+
+}

src/main/java/org/example/petshopdesktop/controllers/MainLayoutController.java

@@ -0,0 +1,140 @@
+package org.example.petshopdesktop.controllers;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Parent;
+import javafx.scene.control.Button;
+import javafx.scene.layout.StackPane;
+
+public class MainLayoutController {
+
+    @FXML
+    private Button btnAdoptions;
+
+    @FXML
+    private Button btnAppointments;
+
+    @FXML
+    private Button btnInventory;
+
+    @FXML
+    private Button btnPets;
+
+    @FXML
+    private Button btnProductSuppliers;
+
+    @FXML
+    private Button btnProducts;
+
+    @FXML
+    private Button btnSalesHistory;
+
+    @FXML
+    private Button btnServices;
+
+    @FXML
+    private Button btnSuppliers;
+
+    @FXML
+    private StackPane spContentArea;
+
+    @FXML
+    void btnAdoptionsClicked(ActionEvent event) {
+        loadView("adoption-view.fxml");
+        updateButtons(btnAdoptions);
+    }
+
+    @FXML
+    void btnAppointmentsClicked(ActionEvent event) {
+        loadView("appointment-view.fxml");
+        updateButtons(btnAppointments);
+    }
+
+    @FXML
+    void btnInventoryClicked(ActionEvent event) {
+        loadView("inventory-view.fxml");
+        updateButtons(btnInventory);
+    }
+
+    @FXML
+    void btnPetsClicked(ActionEvent event) {
+        loadView("pet-view.fxml");
+        updateButtons(btnPets);
+    }
+
+    @FXML
+    void btnProductSuppliersClicked(ActionEvent event) {
+        loadView("product-supplier-view.fxml");
+        updateButtons(btnProductSuppliers);
+    }
+
+    @FXML
+    void btnProductsClicked(ActionEvent event) {
+        loadView("product-view.fxml");
+        updateButtons(btnProducts);
+    }
+
+    @FXML
+    void btnSalesHistoryClicked(ActionEvent event) {
+        loadView("sale-view.fxml");
+        updateButtons(btnSalesHistory);
+    }
+
+    @FXML
+    void btnServicesClicked(ActionEvent event) {
+        loadView("service-view.fxml");
+        updateButtons(btnServices);
+    }
+
+    @FXML
+    void btnSuppliersClicked(ActionEvent event) {
+        loadView("supplier-view.fxml");
+        updateButtons(btnSuppliers);
+    }
+
+    @FXML
+    public void initialize() {
+        loadView("pet-view.fxml");
+    }
+
+    /**
+     * Load a view when a button is clicked on the navigation
+     * @param fxmlFile the fxmlFile name to be loaded
+     */
+    private void loadView(String fxmlFile) {
+        try {
+            //Get the location of the fxml for view
+            FXMLLoader loader = new FXMLLoader(getClass().getResource("/org/example/petshopdesktop/modelviews/" + fxmlFile));
+            Parent view = loader.load();
+            //Clear any content that is in the stack pane and add the new view to display
+            spContentArea.getChildren().clear();
+            spContentArea.getChildren().add(view);
+        } catch (Exception e) {
+            System.out.println("Error loading view: " + fxmlFile);
+        }
+    }
+
+    /**
+     * update the button visuals when a button is clicked on the navigation
+     * @param activeButton the button to be set active
+     */
+    private void updateButtons(Button activeButton) {
+        //reset all buttons
+        Button[] BUTTONS = {btnAdoptions, btnPets, btnAppointments, btnInventory,
+                btnSalesHistory, btnServices, btnSuppliers, btnProductSuppliers, btnProducts};
+        for (Button button : BUTTONS) {
+            //set all buttons to inactive
+            button.setStyle("-fx-background-color: transparent; " +
+                    "-fx-text-fill: #CCCCCC; " +
+                    "-fx-cursor: hand");
+        }
+
+        //set active button
+        activeButton.setStyle("-fx-background-color: #FF6B6B; " +
+                "-fx-text-fill: white; " +
+                "-fx-cursor: hand; " +
+                "-fx-background-radius: 8");
+    }
+
+}

src/main/java/org/example/petshopdesktop/controllers/PetController.java

@@ -0,0 +1,63 @@
+package org.example.petshopdesktop.controllers;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
+
+public class PetController {
+
+    @FXML
+    private Button btnAdd;
+
+    @FXML
+    private Button btnDelete;
+
+    @FXML
+    private Button btnEdit;
+
+    @FXML
+    private TableColumn<?, ?> colPetAge;
+
+    @FXML
+    private TableColumn<?, ?> colPetBreed;
+
+    @FXML
+    private TableColumn<?, ?> colPetId;
+
+    @FXML
+    private TableColumn<?, ?> colPetName;
+
+    @FXML
+    private TableColumn<?, ?> colPetPrice;
+
+    @FXML
+    private TableColumn<?, ?> colPetSpecies;
+
+    @FXML
+    private TableColumn<?, ?> colPetStatus;
+
+    @FXML
+    private TableView<?> tvPets;
+
+    @FXML
+    private TextField txtSearch;
+
+    @FXML
+    void btnAddClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnDeleteClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnEditClicked(ActionEvent event) {
+
+    }
+
+}

src/main/java/org/example/petshopdesktop/controllers/ProductController.java

@@ -0,0 +1,60 @@
+package org.example.petshopdesktop.controllers;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
+
+public class ProductController {
+
+    @FXML
+    private Button btnAdd;
+
+    @FXML
+    private Button btnDelete;
+
+    @FXML
+    private Button btnEdit;
+
+    @FXML
+    private TableColumn<?, ?> colProductCategory;
+
+    @FXML
+    private TableColumn<?, ?> colProductDesc;
+
+    @FXML
+    private TableColumn<?, ?> colProductId;
+
+    @FXML
+    private TableColumn<?, ?> colProductName;
+
+    @FXML
+    private TableColumn<?, ?> colProductPrice;
+
+    @FXML
+    private TableColumn<?, ?> colProductSKU;
+
+    @FXML
+    private TableView<?> tvProducts;
+
+    @FXML
+    private TextField txtSearch;
+
+    @FXML
+    void btnAddClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnDeleteClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnEditClicked(ActionEvent event) {
+
+    }
+
+}

src/main/java/org/example/petshopdesktop/controllers/ProductSupplierController.java

@@ -0,0 +1,57 @@
+package org.example.petshopdesktop.controllers;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
+
+public class ProductSupplierController {
+
+    @FXML
+    private Button btnAdd;
+
+    @FXML
+    private Button btnDelete;
+
+    @FXML
+    private Button btnEdit;
+
+    @FXML
+    private TableColumn<?, ?> colCost;
+
+    @FXML
+    private TableColumn<?, ?> colProductId;
+
+    @FXML
+    private TableColumn<?, ?> colProductName;
+
+    @FXML
+    private TableColumn<?, ?> colSupplierId;
+
+    @FXML
+    private TableColumn<?, ?> colSupplierName;
+
+    @FXML
+    private TableView<?> tvProductSuppliers;
+
+    @FXML
+    private TextField txtSearch;
+
+    @FXML
+    void btnAddClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnDeleteClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnEditClicked(ActionEvent event) {
+
+    }
+
+}

src/main/java/org/example/petshopdesktop/controllers/SaleController.java

@@ -0,0 +1,50 @@
+package org.example.petshopdesktop.controllers;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
+
+public class SaleController {
+
+    @FXML
+    private Button btnRefresh;
+
+    @FXML
+    private TableColumn<?, ?> colCustomerName;
+
+    @FXML
+    private TableColumn<?, ?> colSaleDate;
+
+    @FXML
+    private TableColumn<?, ?> colSaleId;
+
+    @FXML
+    private TableColumn<?, ?> colSalePaymentType;
+
+    @FXML
+    private TableColumn<?, ?> colSaleQuantity;
+
+    @FXML
+    private TableColumn<?, ?> colSaleTotal;
+
+    @FXML
+    private TableColumn<?, ?> colSaleUnitPrice;
+
+    @FXML
+    private TableColumn<?, ?> colServiceProduct;
+
+    @FXML
+    private TableView<?> tvSales;
+
+    @FXML
+    private TextField txtSearch;
+
+    @FXML
+    void btnRefresh(ActionEvent event) {
+
+    }
+
+}

src/main/java/org/example/petshopdesktop/controllers/ServiceController.java

@@ -0,0 +1,57 @@
+package org.example.petshopdesktop.controllers;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
+
+public class ServiceController {
+
+    @FXML
+    private Button btnAdd;
+
+    @FXML
+    private Button btnDelete;
+
+    @FXML
+    private Button btnEdit;
+
+    @FXML
+    private TableColumn<?, ?> colServiceDesc;
+
+    @FXML
+    private TableColumn<?, ?> colServiceDuration;
+
+    @FXML
+    private TableColumn<?, ?> colServiceId;
+
+    @FXML
+    private TableColumn<?, ?> colServiceName;
+
+    @FXML
+    private TableColumn<?, ?> colServicePrice;
+
+    @FXML
+    private TableView<?> tvServices;
+
+    @FXML
+    private TextField txtSearch;
+
+    @FXML
+    void btnAddClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnDeleteClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnEditClicked(ActionEvent event) {
+
+    }
+
+}

src/main/java/org/example/petshopdesktop/controllers/SupplierController.java

@@ -0,0 +1,57 @@
+package org.example.petshopdesktop.controllers;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
+
+public class SupplierController {
+
+    @FXML
+    private Button btnAdd;
+
+    @FXML
+    private Button btnDelete;
+
+    @FXML
+    private Button btnEdit;
+
+    @FXML
+    private TableColumn<?, ?> colContactPerson;
+
+    @FXML
+    private TableColumn<?, ?> colSupplierEmail;
+
+    @FXML
+    private TableColumn<?, ?> colSupplierId;
+
+    @FXML
+    private TableColumn<?, ?> colSupplierName;
+
+    @FXML
+    private TableColumn<?, ?> colSupplierPhone;
+
+    @FXML
+    private TableView<?> tvSuppliers;
+
+    @FXML
+    private TextField txtSearch;
+
+    @FXML
+    void btnAddClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnDeleteClicked(ActionEvent event) {
+
+    }
+
+    @FXML
+    void btnEditClicked(ActionEvent event) {
+
+    }
+
+}

src/main/resources/org/example/petshopdesktop/main-layout-view.fxml

@@ -0,0 +1,115 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.Separator?>
+<?import javafx.scene.layout.BorderPane?>
+<?import javafx.scene.layout.StackPane?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<BorderPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="742.0" prefWidth="1069.0" xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.example.petshopdesktop.controllers.MainLayoutController">
+   <left>
+      <VBox prefHeight="700.0" prefWidth="250.0" spacing="15.0" style="-fx-background-color: #2C3E50;" BorderPane.alignment="CENTER">
+         <padding>
+            <Insets bottom="30.0" left="30.0" right="30.0" top="30.0" />
+         </padding>
+         <children>
+            <Label text="Name" textFill="WHITE">
+               <font>
+                  <Font name="Comic Sans MS Bold" size="30.0" />
+               </font>
+            </Label>
+            <Label text="Pet Store Manager" textFill="#ffe66d">
+               <font>
+                  <Font name="Comic Sans MS Bold" size="16.0" />
+               </font>
+               <padding>
+                  <Insets bottom="20.0" />
+               </padding>
+            </Label>
+            <Separator prefWidth="200.0" style="-fx-background-color: #444444;" />
+            <Button fx:id="btnPets" mnemonicParsing="false" onAction="#btnPetsClicked" prefWidth="250.0" style="-fx-background-color: #FF6b6b; -fx-background-radius: 8; -fx-cursor: hand;" text="🐾 Pets" textFill="WHITE">
+               <VBox.margin>
+                  <Insets />
+               </VBox.margin>
+               <padding>
+                  <Insets bottom="12.0" left="12.0" right="110.0" top="12.0" />
+               </padding>
+               <font>
+                  <Font name="Comic Sans MS Bold" size="14.0" />
+               </font>
+            </Button>
+            <Button fx:id="btnAdoptions" layoutX="40.0" layoutY="234.0" mnemonicParsing="false" onAction="#btnAdoptionsClicked" prefWidth="250.0" style="-fx-background-color: transparent; -fx-background-radius: 8; -fx-cursor: hand;" text="❤ Adoptions" textFill="#cccccc">
+               <font>
+                  <Font name="Comic Sans MS Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="12.0" right="75.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnAppointments" layoutX="40.0" layoutY="294.0" mnemonicParsing="false" onAction="#btnAppointmentsClicked" prefWidth="250.0" style="-fx-background-color: transparent; -fx-background-radius: 8; -fx-cursor: hand;" text="📅 Appointments" textFill="#cccccc">
+               <font>
+                  <Font name="Comic Sans MS Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="12.0" right="50.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnServices" layoutX="40.0" layoutY="354.0" mnemonicParsing="false" onAction="#btnServicesClicked" prefWidth="250.0" style="-fx-background-color: transparent; -fx-background-radius: 8; -fx-cursor: hand;" text="✂ Services" textFill="#cccccc">
+               <font>
+                  <Font name="Comic Sans MS Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="12.0" right="85.0" top="12.0" />
+               </padding>
+            </Button>
+            <Separator layoutX="40.0" layoutY="156.0" prefWidth="200.0" style="-fx-background-color: #444444;" />
+            <Button fx:id="btnProducts" layoutX="40.0" layoutY="414.0" mnemonicParsing="false" onAction="#btnProductsClicked" prefWidth="250.0" style="-fx-background-color: transparent; -fx-background-radius: 8; -fx-cursor: hand;" text="📦 Products" textFill="#cccccc">
+               <font>
+                  <Font name="Comic Sans MS Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="12.0" right="80.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnInventory" layoutX="40.0" layoutY="492.0" mnemonicParsing="false" onAction="#btnInventoryClicked" prefWidth="250.0" style="-fx-background-color: transparent; -fx-background-radius: 8; -fx-cursor: hand;" text="📋 Inventory" textFill="#cccccc">
+               <font>
+                  <Font name="Comic Sans MS Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="12.0" right="74.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnSuppliers" layoutX="40.0" layoutY="552.0" mnemonicParsing="false" onAction="#btnSuppliersClicked" prefWidth="250.0" style="-fx-background-color: transparent; -fx-background-radius: 8; -fx-cursor: hand;" text="🏭 Suppliers" textFill="#cccccc">
+               <font>
+                  <Font name="Comic Sans MS Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="12.0" right="76.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnProductSuppliers" layoutX="40.0" layoutY="612.0" mnemonicParsing="false" onAction="#btnProductSuppliersClicked" prefWidth="250.0" style="-fx-background-color: transparent; -fx-background-radius: 8; -fx-cursor: hand;" text="🔗 Product-Suppliers" textFill="#cccccc">
+               <font>
+                  <Font name="Comic Sans MS Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="12.0" right="18.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnSalesHistory" layoutX="40.0" layoutY="672.0" mnemonicParsing="false" onAction="#btnSalesHistoryClicked" prefWidth="250.0" style="-fx-background-color: transparent; -fx-background-radius: 8; -fx-cursor: hand;" text="📄 Sales History" textFill="#cccccc">
+               <font>
+                  <Font name="Comic Sans MS Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="12.0" right="45.0" top="12.0" />
+               </padding>
+            </Button>
+         </children>
+      </VBox>
+   </left>
+   <center>
+      <StackPane fx:id="spContentArea" prefHeight="150.0" prefWidth="200.0" BorderPane.alignment="CENTER" />
+   </center>
+</BorderPane>

src/main/resources/org/example/petshopdesktop/modelviews/adoption-view.fxml

@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TableColumn?>
+<?import javafx.scene.control.TableView?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<VBox minHeight="-Infinity" minWidth="-Infinity" spacing="20.0" style="-fx-font-size: 14px;" xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.example.petshopdesktop.controllers.AdoptionController">
+   <padding>
+      <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+   </padding>
+   <children>
+      <HBox alignment="CENTER_LEFT" prefHeight="100.0" prefWidth="200.0" spacing="20.0">
+         <children>
+            <Label text="Adoptions" textFill="#2c3e50">
+               <font>
+                  <Font name="System Bold" size="30.0" />
+               </font>
+               <HBox.margin>
+                  <Insets />
+               </HBox.margin>
+            </Label>
+            <Region prefHeight="200.0" prefWidth="200.0" HBox.hgrow="ALWAYS" />
+            <Button fx:id="btnAdd" mnemonicParsing="false" onAction="#btnAddClicked" style="-fx-background-color: #FF6b6b; -fx-cursor: hand; -fx-background-radius: 8;" text="Add New" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnEdit" layoutX="391.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnEditClicked" style="-fx-background-color: #4ECDC4; -fx-cursor: hand; -fx-background-radius: 8;" text="Edit" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnDelete" layoutX="520.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnDeleteClicked" style="-fx-background-color: #E74c3c; -fx-cursor: hand; -fx-background-radius: 8;" text="Delete" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+         </children>
+      </HBox>
+      <HBox alignment="CENTER_LEFT" prefHeight="37.0" prefWidth="727.0" spacing="10.0" style="-fx-background-color: white; -fx-background-radius: 14; -fx-border-width: 2; -fx-border-radius: 14;">
+         <padding>
+            <Insets bottom="10.0" left="15.0" right="15.0" top="10.0" />
+         </padding>
+         <children>
+            <TextField fx:id="txtSearch" prefHeight="31.0" prefWidth="150.0" promptText="Search Adoptions..." style="-fx-border-width: 0; -fx-background-color: transparent;" HBox.hgrow="ALWAYS">
+               <font>
+                  <Font size="15.0" />
+               </font>
+            </TextField>
+         </children>
+      </HBox>
+      <TableView fx:id="tvAdoptions" prefHeight="362.0" prefWidth="752.0" style="-fx-background-color: white; -fx-background-radius: 12;" VBox.vgrow="ALWAYS">
+        <columns>
+          <TableColumn fx:id="colAdoptionId" prefWidth="60.0" text="ID" />
+          <TableColumn fx:id="colPetId" prefWidth="66.2857666015625" text="Pet ID" />
+            <TableColumn fx:id="colCustomerName" prefWidth="200.57147216796875" text="Customer Name" />
+            <TableColumn fx:id="colAdoptionDate" prefWidth="190.85711669921875" text="Adoption Date" />
+            <TableColumn fx:id="colAdoptionFee" prefWidth="91.4285888671875" text="Fee" />
+            <TableColumn fx:id="colAdoptionStatus" prefWidth="142.28570556640625" text="Status" />
+        </columns>
+      </TableView>
+   </children>
+</VBox>

src/main/resources/org/example/petshopdesktop/modelviews/appointment-view.fxml

@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TableColumn?>
+<?import javafx.scene.control.TableView?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<VBox minHeight="-Infinity" minWidth="-Infinity" spacing="20.0" style="-fx-font-size: 14px;" xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.example.petshopdesktop.controllers.AppointmentController">
+   <padding>
+      <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+   </padding>
+   <children>
+      <HBox alignment="CENTER_LEFT" prefHeight="100.0" prefWidth="200.0" spacing="20.0">
+         <children>
+            <Label text="Appointments" textFill="#2c3e50">
+               <font>
+                  <Font name="System Bold" size="30.0" />
+               </font>
+               <HBox.margin>
+                  <Insets />
+               </HBox.margin>
+            </Label>
+            <Region prefHeight="100.0" prefWidth="94.0" HBox.hgrow="ALWAYS" />
+            <Button fx:id="btnAdd" mnemonicParsing="false" onAction="#btnAddClicked" style="-fx-background-color: #FF6b6b; -fx-cursor: hand; -fx-background-radius: 8;" text="Add New" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnEdit" layoutX="391.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnEditClicked" style="-fx-background-color: #4ECDC4; -fx-cursor: hand; -fx-background-radius: 8;" text="Edit" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnDelete" layoutX="520.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnDeleteClicked" style="-fx-background-color: #E74c3c; -fx-cursor: hand; -fx-background-radius: 8;" text="Delete" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+         </children>
+      </HBox>
+      <HBox alignment="CENTER_LEFT" prefHeight="37.0" prefWidth="727.0" spacing="10.0" style="-fx-background-color: white; -fx-background-radius: 14; -fx-border-width: 2; -fx-border-radius: 14;">
+         <padding>
+            <Insets bottom="10.0" left="15.0" right="15.0" top="10.0" />
+         </padding>
+         <children>
+            <TextField fx:id="txtSearch" prefHeight="31.0" prefWidth="150.0" promptText="Search Appointments..." style="-fx-border-width: 0; -fx-background-color: transparent;" HBox.hgrow="ALWAYS">
+               <font>
+                  <Font size="15.0" />
+               </font>
+            </TextField>
+         </children>
+      </HBox>
+      <TableView fx:id="tvAppointments" prefHeight="362.0" prefWidth="752.0" style="-fx-background-color: white; -fx-background-radius: 12;" VBox.vgrow="ALWAYS">
+        <columns>
+          <TableColumn fx:id="colAppointmentId" prefWidth="53.14288330078125" text="ID" />
+          <TableColumn fx:id="colPetName" prefWidth="108.00003051757812" text="Pet Name" />
+            <TableColumn fx:id="colServiceName" prefWidth="132.0" text="Service" />
+            <TableColumn fx:id="colAppointmentDate" prefWidth="101.14288330078125" text="Date" />
+            <TableColumn fx:id="colAppointmentTime" prefWidth="89.7142333984375" text="Time" />
+            <TableColumn fx:id="colCustomerName" prefWidth="168.57147216796875" text="Customer" />
+            <TableColumn fx:id="colAppointmentStatus" prefWidth="98.28570556640625" text="Status" />
+        </columns>
+      </TableView>
+   </children>
+</VBox>

src/main/resources/org/example/petshopdesktop/modelviews/inventory-view.fxml

@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TableColumn?>
+<?import javafx.scene.control.TableView?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<VBox minHeight="-Infinity" minWidth="-Infinity" spacing="20.0" style="-fx-font-size: 14px;" xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.example.petshopdesktop.controllers.InventoryController">
+   <padding>
+      <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+   </padding>
+   <children>
+      <HBox alignment="CENTER_LEFT" prefHeight="100.0" prefWidth="200.0" spacing="20.0">
+         <children>
+            <Label text="Inventory" textFill="#2c3e50">
+               <font>
+                  <Font name="System Bold" size="30.0" />
+               </font>
+               <HBox.margin>
+                  <Insets />
+               </HBox.margin>
+            </Label>
+            <Region prefHeight="200.0" prefWidth="200.0" HBox.hgrow="ALWAYS" />
+            <Button fx:id="btnAdd" mnemonicParsing="false" onAction="#btnAddClicked" style="-fx-background-color: #FF6b6b; -fx-cursor: hand; -fx-background-radius: 8;" text="Add New" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnEdit" layoutX="391.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnEditClicked" style="-fx-background-color: #4ECDC4; -fx-cursor: hand; -fx-background-radius: 8;" text="Edit" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnDelete" layoutX="520.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnDeleteClicked" style="-fx-background-color: #E74c3c; -fx-cursor: hand; -fx-background-radius: 8;" text="Delete" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+         </children>
+      </HBox>
+      <HBox alignment="CENTER_LEFT" prefHeight="37.0" prefWidth="727.0" spacing="10.0" style="-fx-background-color: white; -fx-background-radius: 14; -fx-border-width: 2; -fx-border-radius: 14;">
+         <padding>
+            <Insets bottom="10.0" left="15.0" right="15.0" top="10.0" />
+         </padding>
+         <children>
+            <TextField fx:id="txtSearch" prefHeight="31.0" prefWidth="150.0" promptText="Search Inventory..." style="-fx-border-width: 0; -fx-background-color: transparent;" HBox.hgrow="ALWAYS">
+               <font>
+                  <Font size="15.0" />
+               </font>
+            </TextField>
+         </children>
+      </HBox>
+      <TableView fx:id="tvInventory" prefHeight="362.0" prefWidth="752.0" style="-fx-background-color: white; -fx-background-radius: 12;" VBox.vgrow="ALWAYS">
+        <columns>
+          <TableColumn fx:id="colInventoryId" prefWidth="94.28570556640625" text="ID" />
+          <TableColumn fx:id="colProductId" prefWidth="153.14285278320312" text="Product ID" />
+            <TableColumn fx:id="colProductName" prefWidth="325.14288330078125" text="Product Name" />
+            <TableColumn fx:id="colQuantity" prefWidth="179.42852783203125" text="Quantity" />
+        </columns>
+      </TableView>
+   </children>
+</VBox>

src/main/resources/org/example/petshopdesktop/modelviews/pet-view.fxml

@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TableColumn?>
+<?import javafx.scene.control.TableView?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<VBox minHeight="-Infinity" minWidth="-Infinity" spacing="20.0" style="-fx-font-size: 14px;" xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.example.petshopdesktop.controllers.PetController">
+   <padding>
+      <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+   </padding>
+   <children>
+      <HBox alignment="CENTER_LEFT" prefHeight="100.0" prefWidth="200.0" spacing="20.0">
+         <children>
+            <Label text="Pets" textFill="#2c3e50">
+               <font>
+                  <Font name="System Bold" size="30.0" />
+               </font>
+               <HBox.margin>
+                  <Insets />
+               </HBox.margin>
+            </Label>
+            <Region prefHeight="200.0" prefWidth="200.0" HBox.hgrow="ALWAYS" />
+            <Button fx:id="btnAdd" mnemonicParsing="false" onAction="#btnAddClicked" style="-fx-background-color: #FF6b6b; -fx-cursor: hand; -fx-background-radius: 8;" text="Add New" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnEdit" layoutX="391.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnEditClicked" style="-fx-background-color: #4ECDC4; -fx-cursor: hand; -fx-background-radius: 8;" text="Edit" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnDelete" layoutX="520.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnDeleteClicked" style="-fx-background-color: #E74c3c; -fx-cursor: hand; -fx-background-radius: 8;" text="Delete" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+         </children>
+      </HBox>
+      <HBox alignment="CENTER_LEFT" prefHeight="37.0" prefWidth="727.0" spacing="10.0" style="-fx-background-color: white; -fx-background-radius: 14; -fx-border-width: 2; -fx-border-radius: 14;">
+         <padding>
+            <Insets bottom="10.0" left="15.0" right="15.0" top="10.0" />
+         </padding>
+         <children>
+            <TextField fx:id="txtSearch" prefHeight="31.0" prefWidth="150.0" promptText="Search Pets..." style="-fx-border-width: 0; -fx-background-color: transparent;" HBox.hgrow="ALWAYS">
+               <font>
+                  <Font size="15.0" />
+               </font>
+            </TextField>
+         </children>
+      </HBox>
+      <TableView fx:id="tvPets" prefHeight="362.0" prefWidth="752.0" style="-fx-background-color: white; -fx-background-radius: 12;" VBox.vgrow="ALWAYS">
+        <columns>
+          <TableColumn fx:id="colPetId" prefWidth="60.0" text="ID" />
+          <TableColumn fx:id="colPetName" prefWidth="113.14285278320312" text="Name" />
+            <TableColumn fx:id="colPetSpecies" prefWidth="110.28570556640625" text="Species" />
+            <TableColumn fx:id="colPetBreed" prefWidth="174.85711669921875" text="Breed" />
+            <TableColumn fx:id="colPetAge" prefWidth="72.0" text="Age" />
+            <TableColumn fx:id="colPetStatus" prefWidth="133.142822265625" text="Status" />
+            <TableColumn fx:id="colPetPrice" prefWidth="89.142822265625" text="Price" />
+        </columns>
+      </TableView>
+   </children>
+</VBox>

src/main/resources/org/example/petshopdesktop/modelviews/product-supplier-view.fxml

@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TableColumn?>
+<?import javafx.scene.control.TableView?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<VBox minHeight="-Infinity" minWidth="-Infinity" spacing="20.0" style="-fx-font-size: 14px;" xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.example.petshopdesktop.controllers.ProductSupplierController">
+   <padding>
+      <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+   </padding>
+   <children>
+      <HBox alignment="CENTER_LEFT" prefHeight="100.0" prefWidth="200.0" spacing="20.0">
+         <children>
+            <Label prefHeight="45.0" prefWidth="274.0" text="Product-Suppliers" textFill="#2c3e50">
+               <font>
+                  <Font name="System Bold" size="30.0" />
+               </font>
+               <HBox.margin>
+                  <Insets />
+               </HBox.margin>
+            </Label>
+            <Region prefHeight="100.0" prefWidth="90.0" HBox.hgrow="ALWAYS" />
+            <Button fx:id="btnAdd" mnemonicParsing="false" onAction="#btnAddClicked" style="-fx-background-color: #FF6b6b; -fx-cursor: hand; -fx-background-radius: 8;" text="Add New" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnEdit" layoutX="391.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnEditClicked" style="-fx-background-color: #4ECDC4; -fx-cursor: hand; -fx-background-radius: 8;" text="Edit" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnDelete" layoutX="520.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnDeleteClicked" style="-fx-background-color: #E74c3c; -fx-cursor: hand; -fx-background-radius: 8;" text="Delete" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+         </children>
+      </HBox>
+      <HBox alignment="CENTER_LEFT" prefHeight="37.0" prefWidth="727.0" spacing="10.0" style="-fx-background-color: white; -fx-background-radius: 14; -fx-border-width: 2; -fx-border-radius: 14;">
+         <padding>
+            <Insets bottom="10.0" left="15.0" right="15.0" top="10.0" />
+         </padding>
+         <children>
+            <TextField fx:id="txtSearch" prefHeight="31.0" prefWidth="150.0" promptText="Search Product-Suppliers..." style="-fx-border-width: 0; -fx-background-color: transparent;" HBox.hgrow="ALWAYS">
+               <font>
+                  <Font size="15.0" />
+               </font>
+            </TextField>
+         </children>
+      </HBox>
+      <TableView fx:id="tvProductSuppliers" prefHeight="362.0" prefWidth="752.0" style="-fx-background-color: white; -fx-background-radius: 12;" VBox.vgrow="ALWAYS">
+        <columns>
+          <TableColumn fx:id="colProductId" prefWidth="91.4285888671875" text="Product ID" />
+          <TableColumn fx:id="colProductName" prefWidth="210.28573608398438" text="Product Name" />
+            <TableColumn fx:id="colSupplierId" prefWidth="106.85711669921875" text="Supplier ID" />
+            <TableColumn fx:id="colSupplierName" prefWidth="228.57147216796875" text="Supplier Name" />
+            <TableColumn fx:id="colCost" prefWidth="121.71435546875" text="Cost" />
+        </columns>
+      </TableView>
+   </children>
+</VBox>

src/main/resources/org/example/petshopdesktop/modelviews/product-view.fxml

@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TableColumn?>
+<?import javafx.scene.control.TableView?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<VBox minHeight="-Infinity" minWidth="-Infinity" spacing="20.0" style="-fx-font-size: 14px;" xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.example.petshopdesktop.controllers.ProductController">
+   <padding>
+      <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+   </padding>
+   <children>
+      <HBox alignment="CENTER_LEFT" prefHeight="100.0" prefWidth="200.0" spacing="20.0">
+         <children>
+            <Label text="Products" textFill="#2c3e50">
+               <font>
+                  <Font name="System Bold" size="30.0" />
+               </font>
+               <HBox.margin>
+                  <Insets />
+               </HBox.margin>
+            </Label>
+            <Region prefHeight="200.0" prefWidth="200.0" HBox.hgrow="ALWAYS" />
+            <Button fx:id="btnAdd" mnemonicParsing="false" onAction="#btnAddClicked" style="-fx-background-color: #FF6b6b; -fx-cursor: hand; -fx-background-radius: 8;" text="Add New" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnEdit" layoutX="391.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnEditClicked" style="-fx-background-color: #4ECDC4; -fx-cursor: hand; -fx-background-radius: 8;" text="Edit" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnDelete" layoutX="520.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnDeleteClicked" style="-fx-background-color: #E74c3c; -fx-cursor: hand; -fx-background-radius: 8;" text="Delete" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+         </children>
+      </HBox>
+      <HBox alignment="CENTER_LEFT" prefHeight="37.0" prefWidth="727.0" spacing="10.0" style="-fx-background-color: white; -fx-background-radius: 14; -fx-border-width: 2; -fx-border-radius: 14;">
+         <padding>
+            <Insets bottom="10.0" left="15.0" right="15.0" top="10.0" />
+         </padding>
+         <children>
+            <TextField fx:id="txtSearch" prefHeight="31.0" prefWidth="150.0" promptText="Search products..." style="-fx-border-width: 0; -fx-background-color: transparent;" HBox.hgrow="ALWAYS">
+               <font>
+                  <Font size="15.0" />
+               </font>
+            </TextField>
+         </children>
+      </HBox>
+      <TableView fx:id="tvProducts" prefHeight="362.0" prefWidth="752.0" style="-fx-background-color: white; -fx-background-radius: 12;" VBox.vgrow="ALWAYS">
+        <columns>
+          <TableColumn fx:id="colProductId" prefWidth="60.0" text="ID" />
+          <TableColumn fx:id="colProductName" prefWidth="150.0" text="Name" />
+            <TableColumn fx:id="colProductCategory" prefWidth="150.0" text="Category" />
+            <TableColumn fx:id="colProductDesc" prefWidth="220.0" text="Description" />
+            <TableColumn fx:id="colProductPrice" prefWidth="100.0" text="Price" />
+            <TableColumn fx:id="colProductSKU" prefWidth="70.2857666015625" text="SKU" />
+        </columns>
+      </TableView>
+   </children>
+</VBox>

src/main/resources/org/example/petshopdesktop/modelviews/sale-view.fxml

@@ -0,0 +1,73 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TableColumn?>
+<?import javafx.scene.control.TableView?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<VBox minHeight="-Infinity" minWidth="-Infinity" spacing="20.0" style="-fx-font-size: 14px;" xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.example.petshopdesktop.controllers.SaleController">
+   <padding>
+      <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+   </padding>
+   <children>
+      <HBox alignment="CENTER_LEFT" prefHeight="100.0" prefWidth="200.0" spacing="20.0">
+         <children>
+            <Label text="Sales History" textFill="#2c3e50">
+               <font>
+                  <Font name="System Bold" size="30.0" />
+               </font>
+               <HBox.margin>
+                  <Insets />
+               </HBox.margin>
+            </Label>
+            <Label text="(View Only)" textFill="#7f8c8d">
+               <font>
+                  <Font name="System Bold" size="16.0" />
+               </font>
+               <padding>
+                  <Insets top="10.0" />
+               </padding>
+            </Label>
+            <Region prefHeight="200.0" prefWidth="200.0" HBox.hgrow="ALWAYS" />
+            <Button fx:id="btnRefresh" mnemonicParsing="false" onAction="#btnRefresh" prefHeight="44.0" prefWidth="118.0" style="-fx-background-color: #4ECDC4; -fx-cursor: hand; -fx-background-radius: 8;" text="Refresh" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+         </children>
+      </HBox>
+      <HBox alignment="CENTER_LEFT" prefHeight="37.0" prefWidth="727.0" spacing="10.0" style="-fx-background-color: white; -fx-background-radius: 14; -fx-border-width: 2; -fx-border-radius: 14;">
+         <padding>
+            <Insets bottom="10.0" left="15.0" right="15.0" top="10.0" />
+         </padding>
+         <children>
+            <TextField fx:id="txtSearch" prefHeight="31.0" prefWidth="150.0" promptText="Search Sales History..." style="-fx-border-width: 0; -fx-background-color: transparent;" HBox.hgrow="ALWAYS">
+               <font>
+                  <Font size="15.0" />
+               </font>
+            </TextField>
+         </children>
+      </HBox>
+      <TableView fx:id="tvSales" prefHeight="362.0" prefWidth="752.0" style="-fx-background-color: white; -fx-background-radius: 12;" VBox.vgrow="ALWAYS">
+        <columns>
+          <TableColumn fx:id="colSaleId" prefWidth="42.28573799133301" text="ID" />
+          <TableColumn fx:id="colSaleDate" prefWidth="91.42858505249023" text="Date" />
+            <TableColumn fx:id="colCustomerName" prefWidth="146.28575134277344" text="Customer Name" />
+            <TableColumn fx:id="colServiceProduct" prefWidth="114.857177734375" text="Product/Service" />
+            <TableColumn fx:id="colSaleQuantity" prefWidth="70.85711669921875" text="Quantity" />
+            <TableColumn fx:id="colSaleUnitPrice" prefWidth="83.42855834960938" text="Unit Price" />
+            <TableColumn fx:id="colSaleTotal" prefWidth="83.4285888671875" text="Total" />
+            <TableColumn fx:id="colSalePaymentType" prefWidth="115.4285888671875" text="Payment Type" />
+        </columns>
+      </TableView>
+   </children>
+</VBox>

src/main/resources/org/example/petshopdesktop/modelviews/service-view.fxml

@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TableColumn?>
+<?import javafx.scene.control.TableView?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<VBox minHeight="-Infinity" minWidth="-Infinity" spacing="20.0" style="-fx-font-size: 14px;" xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.example.petshopdesktop.controllers.ServiceController">
+   <padding>
+      <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+   </padding>
+   <children>
+      <HBox alignment="CENTER_LEFT" prefHeight="100.0" prefWidth="200.0" spacing="20.0">
+         <children>
+            <Label text="Services" textFill="#2c3e50">
+               <font>
+                  <Font name="System Bold" size="30.0" />
+               </font>
+               <HBox.margin>
+                  <Insets />
+               </HBox.margin>
+            </Label>
+            <Region prefHeight="200.0" prefWidth="200.0" HBox.hgrow="ALWAYS" />
+            <Button fx:id="btnAdd" mnemonicParsing="false" onAction="#btnAddClicked" style="-fx-background-color: #FF6b6b; -fx-cursor: hand; -fx-background-radius: 8;" text="Add New" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnEdit" layoutX="391.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnEditClicked" style="-fx-background-color: #4ECDC4; -fx-cursor: hand; -fx-background-radius: 8;" text="Edit" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnDelete" layoutX="520.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnDeleteClicked" style="-fx-background-color: #E74c3c; -fx-cursor: hand; -fx-background-radius: 8;" text="Delete" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+         </children>
+      </HBox>
+      <HBox alignment="CENTER_LEFT" prefHeight="37.0" prefWidth="727.0" spacing="10.0" style="-fx-background-color: white; -fx-background-radius: 14; -fx-border-width: 2; -fx-border-radius: 14;">
+         <padding>
+            <Insets bottom="10.0" left="15.0" right="15.0" top="10.0" />
+         </padding>
+         <children>
+            <TextField fx:id="txtSearch" prefHeight="31.0" prefWidth="150.0" promptText="Search Services..." style="-fx-border-width: 0; -fx-background-color: transparent;" HBox.hgrow="ALWAYS">
+               <font>
+                  <Font size="15.0" />
+               </font>
+            </TextField>
+         </children>
+      </HBox>
+      <TableView fx:id="tvServices" prefHeight="362.0" prefWidth="752.0" style="-fx-background-color: white; -fx-background-radius: 12;" VBox.vgrow="ALWAYS">
+        <columns>
+          <TableColumn fx:id="colServiceId" prefWidth="60.0" text="ID" />
+          <TableColumn fx:id="colServiceName" prefWidth="169.71432495117188" text="Name" />
+            <TableColumn fx:id="colServiceDesc" prefWidth="206.85711669921875" text="Description" />
+            <TableColumn fx:id="colServiceDuration" prefWidth="185.71429443359375" text="Duration (min)" />
+            <TableColumn fx:id="colServicePrice" prefWidth="129.14288330078125" text="Price" />
+        </columns>
+      </TableView>
+   </children>
+</VBox>

src/main/resources/org/example/petshopdesktop/modelviews/supplier-view.fxml

@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TableColumn?>
+<?import javafx.scene.control.TableView?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<VBox minHeight="-Infinity" minWidth="-Infinity" spacing="20.0" style="-fx-font-size: 14px;" xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.example.petshopdesktop.controllers.SupplierController">
+   <padding>
+      <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+   </padding>
+   <children>
+      <HBox alignment="CENTER_LEFT" prefHeight="100.0" prefWidth="200.0" spacing="20.0">
+         <children>
+            <Label text="Suppliers" textFill="#2c3e50">
+               <font>
+                  <Font name="System Bold" size="30.0" />
+               </font>
+               <HBox.margin>
+                  <Insets />
+               </HBox.margin>
+            </Label>
+            <Region prefHeight="200.0" prefWidth="200.0" HBox.hgrow="ALWAYS" />
+            <Button fx:id="btnAdd" mnemonicParsing="false" onAction="#btnAddClicked" style="-fx-background-color: #FF6b6b; -fx-cursor: hand; -fx-background-radius: 8;" text="Add New" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnEdit" layoutX="391.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnEditClicked" style="-fx-background-color: #4ECDC4; -fx-cursor: hand; -fx-background-radius: 8;" text="Edit" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+            <Button fx:id="btnDelete" layoutX="520.0" layoutY="38.0" mnemonicParsing="false" onAction="#btnDeleteClicked" style="-fx-background-color: #E74c3c; -fx-cursor: hand; -fx-background-radius: 8;" text="Delete" textFill="WHITE">
+               <font>
+                  <Font name="System Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+               </padding>
+            </Button>
+         </children>
+      </HBox>
+      <HBox alignment="CENTER_LEFT" prefHeight="37.0" prefWidth="727.0" spacing="10.0" style="-fx-background-color: white; -fx-background-radius: 14; -fx-border-width: 2; -fx-border-radius: 14;">
+         <padding>
+            <Insets bottom="10.0" left="15.0" right="15.0" top="10.0" />
+         </padding>
+         <children>
+            <TextField fx:id="txtSearch" prefHeight="31.0" prefWidth="150.0" promptText="Search Suppliers..." style="-fx-border-width: 0; -fx-background-color: transparent;" HBox.hgrow="ALWAYS">
+               <font>
+                  <Font size="15.0" />
+               </font>
+            </TextField>
+         </children>
+      </HBox>
+      <TableView fx:id="tvSuppliers" prefHeight="362.0" prefWidth="752.0" style="-fx-background-color: white; -fx-background-radius: 12;" VBox.vgrow="ALWAYS">
+        <columns>
+          <TableColumn fx:id="colSupplierId" prefWidth="60.0" text="ID" />
+          <TableColumn fx:id="colSupplierName" prefWidth="169.71432495117188" text="Name" />
+            <TableColumn fx:id="colContactPerson" prefWidth="206.85711669921875" text="Contact Person" />
+            <TableColumn fx:id="colSupplierEmail" prefWidth="185.71429443359375" text="Email" />
+            <TableColumn fx:id="colSupplierPhone" prefWidth="129.14288330078125" text="Phone" />
+        </columns>
+      </TableView>
+   </children>
+</VBox>