diff --git a/src/main/resources/static/resources/css/petclinic.css b/src/main/resources/static/resources/css/petclinic.css
index 73c562e9d..240e43311 100644
--- a/src/main/resources/static/resources/css/petclinic.css
+++ b/src/main/resources/static/resources/css/petclinic.css
@@ -9387,65 +9387,98 @@ table td.action-column {
 hr {
   border-top: 1px dotted #34302D; }
 
+/* Chatbox container */
 .chatbox {
-  width: 300px;
-  border: 1px solid #ddd;
-  background-color: #f4f4f9;
-  border-radius: 10px;
-  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
   position: fixed;
   bottom: 10px;
   right: 10px;
-  font-family: Arial, sans-serif;
+  width: 300px;
+  background-color: #f1f1f1;
+  border-radius: 10px;
+  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
+  display: flex;
+  flex-direction: column; }
+  .chatbox.minimized .chatbox-content {
+    height: 40px;
+    /* Height when minimized (header only) */ }
+  .chatbox.minimized .chatbox-messages,
+  .chatbox.minimized .chatbox-footer {
+    display: none; }
+
+/* Header styling */
+.chatbox-header {
+  background-color: #075E54;
+  color: white;
+  padding: 10px;
+  text-align: center;
+  border-top-left-radius: 10px;
+  border-top-right-radius: 10px;
+  cursor: pointer; }
+
+/* Chatbox content styling */
+.chatbox-content {
+  display: flex;
+  flex-direction: column;
+  height: 400px;
+  /* Adjust to desired height */
+  overflow: hidden;
+  /* Hide overflow to make it scrollable */ }
+
+.chatbox-messages {
+  flex-grow: 1;
+  overflow-y: auto;
+  /* Allows vertical scrolling */
+  padding: 10px; }
+
+/* Chat bubbles styling */
+.chat-bubble {
+  max-width: 80%;
+  padding: 10px;
+  border-radius: 20px;
+  margin-bottom: 10px;
+  position: relative;
+  word-wrap: break-word;
   font-size: 14px; }
-  .chatbox-header {
-    background-color: #0084ff;
-    color: white;
-    padding: 10px;
-    border-radius: 10px 10px 0 0;
-    font-weight: bold;
-    cursor: pointer; }
-  .chatbox-content {
-    max-height: 400px;
-    overflow-y: auto;
-    padding: 10px;
-    background-color: white;
-    border-bottom: 1px solid #ddd;
-    display: flex;
-    flex-direction: column; }
-  .chatbox-footer {
-    padding: 10px;
-    border-top: 1px solid #ddd;
-    display: flex;
-    align-items: center;
-    justify-content: space-between; }
-    .chatbox-footer input[type="text"] {
-      flex: 1;
-      padding: 5px;
-      border: 1px solid #ddd;
-      border-radius: 5px; }
-    .chatbox-footer button {
-      padding: 5px 10px;
-      background-color: #0084ff;
-      color: white;
-      border: none;
-      border-radius: 5px;
-      cursor: pointer; }
-  .chatbox-messages .chat-bubble {
-    max-width: 80%;
-    margin-bottom: 10px;
-    padding: 8px;
-    border-radius: 15px;
-    position: relative;
-    word-wrap: break-word; }
-    .chatbox-messages .chat-bubble.user {
-      background-color: #0084ff;
-      color: white;
-      align-self: flex-end; }
-    .chatbox-messages .chat-bubble.bot {
-      background-color: #f1f1f1;
-      color: #333;
-      align-self: flex-start; }
+  .chat-bubble strong {
+    font-weight: bold; }
+  .chat-bubble em {
+    font-style: italic; }
+  .chat-bubble.user {
+    background-color: #dcf8c6;
+    /* WhatsApp-style light green */
+    margin-left: auto;
+    text-align: right;
+    border-bottom-right-radius: 0; }
+  .chat-bubble.bot {
+    background-color: #ffffff;
+    margin-right: auto;
+    text-align: left;
+    border-bottom-left-radius: 0;
+    border: 1px solid #e1e1e1; }
+
+/* Input field and button */
+.chatbox-footer {
+  padding: 10px;
+  background-color: #f9f9f9;
+  display: flex; }
+
+.chatbox-footer input {
+  flex-grow: 1;
+  padding: 10px;
+  border-radius: 20px;
+  border: 1px solid #ccc;
+  margin-right: 10px;
+  outline: none; }
+
+.chatbox-footer button {
+  background-color: #075E54;
+  color: white;
+  border: none;
+  padding: 10px;
+  border-radius: 50%;
+  cursor: pointer; }
+  .chatbox-footer button:hover {
+    background-color: #128C7E; }
 
 @font-face {
   font-family: 'varela_roundregular';
diff --git a/src/main/scss/petclinic.scss b/src/main/scss/petclinic.scss
index fd1eebb94..9136fbd6e 100644
--- a/src/main/scss/petclinic.scss
+++ b/src/main/scss/petclinic.scss
@@ -21,16 +21,19 @@ $spring-brown:      #34302D;
 $spring-grey:       #838789;
 $spring-light-grey: #f1f1f1;
 
-$chatbox-bg-color: #f4f4f9;
-$chatbox-border-color: #ddd;
-$chatbox-header-color: #555;
-$chatbox-user-bubble-color: #0084ff;
-$chatbox-bot-bubble-color: #f1f1f1;
-$chatbox-user-text-color: white;
-$chatbox-bot-text-color: #333;
+$chatbox-bg-color: #f1f1f1;
+$chatbox-header-bg-color: #075E54;
+$chatbox-header-text-color: white;
+$chatbox-height: 400px;
 $chatbox-border-radius: 10px;
 $chatbox-box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);
-
+$chatbox-bubble-user-bg-color: #dcf8c6;
+$chatbox-bubble-bot-bg-color: #ffffff;
+$chatbox-bubble-border-color: #e1e1e1;
+$chatbox-footer-bg-color: #f9f9f9;
+$chatbox-input-border-color: #ccc;
+$chatbox-button-bg-color: #075E54;
+$chatbox-button-hover-bg-color: #128C7E;
 
 $body-bg:                           $spring-light-grey;
 $text-color:                        $spring-brown;
@@ -220,87 +223,116 @@ hr {
   border-top: 1px dotted $spring-brown;
 }
 
-// Chatbox container styling
+/* Chatbox container */
 .chatbox {
-  width: 300px;
-  border: 1px solid $chatbox-border-color;
-  background-color: $chatbox-bg-color;
-  border-radius: $chatbox-border-radius;
-  box-shadow: $chatbox-box-shadow;
   position: fixed;
   bottom: 10px;
   right: 10px;
-  font-family: Arial, sans-serif;
-  font-size: 14px;
-
-  &-header {
-    background-color: $chatbox-user-bubble-color;
-    color: $chatbox-user-text-color;
-    padding: 10px;
-    border-radius: $chatbox-border-radius $chatbox-border-radius 0 0;
-    font-weight: bold;
-    cursor: pointer;
-  }
-
-  &-content {
-    max-height: 400px;
-    overflow-y: auto;
-    padding: 10px;
-    background-color: white;
-    border-bottom: 1px solid $chatbox-border-color;
-    display: flex;
-    flex-direction: column;
-  }
-
-  &-footer {
-    padding: 10px;
-    border-top: 1px solid $chatbox-border-color;
-    display: flex;
-    align-items: center;
-    justify-content: space-between;
-
-    input[type="text"] {
-      flex: 1;
-      padding: 5px;
-      border: 1px solid $chatbox-border-color;
-      border-radius: 5px;
+  width: 300px;
+  background-color: $chatbox-bg-color;
+  border-radius: $chatbox-border-radius;
+  box-shadow: $chatbox-box-shadow;
+  display: flex;
+  flex-direction: column;
+  
+  &.minimized {
+    .chatbox-content {
+      height: 40px; /* Height when minimized (header only) */
     }
-
-    button {
-      padding: 5px 10px;
-      background-color: $chatbox-user-bubble-color;
-      color: $chatbox-user-text-color;
-      border: none;
-      border-radius: 5px;
-      cursor: pointer;
-    }
-  }
-
-  &-messages {
-    .chat-bubble {
-      max-width: 80%;
-      margin-bottom: 10px;
-      padding: 8px;
-      border-radius: 15px;
-      position: relative;
-      word-wrap: break-word;
-
-      &.user {
-        background-color: $chatbox-user-bubble-color;
-        color: $chatbox-user-text-color;
-        align-self: flex-end;
-      }
-
-      &.bot {
-        background-color: $chatbox-bot-bubble-color;
-        color: $chatbox-bot-text-color;
-        align-self: flex-start;
-      }
+    .chatbox-messages,
+    .chatbox-footer {
+      display: none;
     }
   }
 }
 
+/* Header styling */
+.chatbox-header {
+  background-color: $chatbox-header-bg-color;
+  color: $chatbox-header-text-color;
+  padding: 10px;
+  text-align: center;
+  border-top-left-radius: $chatbox-border-radius;
+  border-top-right-radius: $chatbox-border-radius;
+  cursor: pointer;
+}
 
+/* Chatbox content styling */
+.chatbox-content {
+  display: flex;
+  flex-direction: column;
+  height: $chatbox-height; /* Adjust to desired height */
+  overflow: hidden; /* Hide overflow to make it scrollable */
+}
+
+.chatbox-messages {
+  flex-grow: 1;
+  overflow-y: auto; /* Allows vertical scrolling */
+  padding: 10px;
+}
+
+/* Chat bubbles styling */
+.chat-bubble {
+  max-width: 80%;
+  padding: 10px;
+  border-radius: 20px;
+  margin-bottom: 10px;
+  position: relative;
+  word-wrap: break-word;
+  font-size: 14px;
+
+  strong {
+    font-weight: bold;
+  }
+  
+  em {
+    font-style: italic;
+  }
+
+  &.user {
+    background-color: $chatbox-bubble-user-bg-color; /* WhatsApp-style light green */
+    margin-left: auto;
+    text-align: right;
+    border-bottom-right-radius: 0;
+  }
+
+  &.bot {
+    background-color: $chatbox-bubble-bot-bg-color;
+    margin-right: auto;
+    text-align: left;
+    border-bottom-left-radius: 0;
+    border: 1px solid $chatbox-bubble-border-color;
+  }
+}
+
+/* Input field and button */
+.chatbox-footer {
+  padding: 10px;
+  background-color: $chatbox-footer-bg-color;
+  display: flex;
+}
+
+.chatbox-footer input {
+  flex-grow: 1;
+  padding: 10px;
+  border-radius: 20px;
+  border: 1px solid $chatbox-input-border-color;
+  margin-right: 10px;
+  outline: none;
+}
+
+.chatbox-footer button {
+  background-color: $chatbox-button-bg-color;
+  color: white;
+  border: none;
+  padding: 10px;
+  border-radius: 50%;
+  cursor: pointer;
+
+  &:hover {
+    background-color: $chatbox-button-hover-bg-color;
+  }
+}
 
 @import "typography.scss";
 @import "header.scss";