* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f2f5;
}

.chat-container {
    width: 400px;
    height: 600px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
}

.chat-header {
    padding: 20px;
    background-color:red;
    color: white;
    border-radius: 10px 10px 0 0;
}

.chat-header h1 {
    font-size: 1.5rem;
    text-align: center;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.message {
    margin-bottom: 15px;
    max-width: 80%;
    padding: 10px 15px;
    border-radius: 15px;
    word-wrap: break-word;
}

.bot-message {
    background-color:#e9ecef;
    align-self: flex-start;
    border-radius: 15px 15pcx 15px 0;
}

.user-message {
    background-color: black;
    color: white;
    margin-left: auto;
    border-radius: 15px 0 15px 15px;
}

.chat-input {
    display: flex;
    padding: 20px;
    gap: 10px;
    border-top: 1px solid #e9ecef;
}

#user-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #e9ecef;
    border-radius: 5px;
    outline: none;
}

#send-button {
    padding: 10px 20px;
    background-color: red;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#send-button:hover {
    background-color: darkred;
}