body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.chat-container {
    width: 90%;
    max-width: 600px;
    margin: 50px auto;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.messages {
    height: 400px;
    overflow-y: scroll;
    padding: 10px;
    border-bottom: 1px solid #ccc;
}

.message {
    margin: 10px 0;
    padding: 10px;
    border-radius: 8px;
    position: relative;
}

.message p {
    margin: 0;
}

.message-time {
    font-size: 0.8em;
    color: gray;
    position: absolute;
    bottom: 5px;
    right: 10px;
}

.message.sent {
    background-color: #e1ffc7; /* Light green */
    align-self: flex-end;
}

.message.received {
    background-color: #d3e7ff; /* Light blue */
}

form {
    display: flex;
    padding: 10px;
}

input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    padding: 10px 15px;
    background-color: blue;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-left: 10px;
}

button:hover {
    background-color: darkblue;
}