static/style.css

/* Reset some default browser styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f4f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
}

/* Container for the entire chat application */
.container {
    display: flex;
    width: 100%;
    height: 100%;
    background-color: #fff;
    border-radius: 0;
    box-shadow: none;
}

/* Sidebar for chat history */
.sidebar {
    width: 30%;
    padding: 20px;
    border-right: 0px solid; 
    overflow-y: auto;
    background-color:inherit;
    height: 100%;
}

.sidebar h2 {
    margin-bottom: 15px;
    color: #444;
    font-size: 20px;
}

.sidebar ul {
    list-style: none;
}

.sidebar ul li {
    margin-bottom: 10px;
    padding: 10px;
    background-color: #e9e9f0;
    border-radius: 5px;
    color: black;
}

/* Chatbox for displaying and sending messages */
.chatbox {
    width: 70%;
    padding: 20px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.chatbox h2 {
    margin-bottom: 15px;
    color: #444;
    font-size: 20px;
}

#messages {
    flex-grow: 1;
    overflow-y: auto;
    margin-bottom: 20px;
}

#messages p {
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 5px;
    color: black;
}

#messages p strong {
    display: block;
    margin-bottom: 5px;

}

#messages p.user-message {
    background-color: #d4f4dd;
}

#messages p.bot-response {
    background-color: #e0e0e0;
}

form {
    display: flex;
    align-items: center;
}

input[type="text"] {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-right: 10px;
    font-size: 16px;
}

button {
    padding: 10px 20px;
    border: none;
    background-color: #007bff;
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

/* Add a scrollbar style for better look */
.sidebar, #messages {
    scrollbar-width: none;
    scrollbar-color:inherit;
}

.sidebar::-webkit-scrollbar, #messages::-webkit-scrollbar {
    width: 8px;
}

.sidebar::-webkit-scrollbar-track, #messages::-webkit-scrollbar-track {
    background: #f7f7fa;
}

.sidebar::-webkit-scrollbar-thumb, #messages::-webkit-scrollbar-thumb {
    background-color: #bbb;
    border-radius: 10px;
}