static/styles.css

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.container {
    background-color: #ff0000;
    padding: 10px;
    text-align: center;
    color: white;
}


.chat_window {
    position: absolute;
    width: 80%;
    max-width: 800px;
    border-radius: 10px;
    background-color: #fff;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
}

.top_menu {
    background-color: #007bff;
    width: 100%;
    padding: 15px;
    box-shadow: 0 1px 30px rgba(0, 0, 0, 0.1);
}

.top_menu .title {
    text-align: center;
    color: white;
    font-size: 24px;
    margin: 0;
}

.messages {
    list-style: none;
    padding: 20px 10px 0 10px;
    margin: 0;
    height: 347px;
    overflow-y: scroll;
}

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

.messages::-webkit-scrollbar-thumb {
    background-color: #007bff;
    border-radius: 10px;
}

.bottom_wrapper {
    width: 100%;
    background-color: #f8f9fa;  
    padding: 20px 20px;
    display: flex;
    flex-direction: column;
    align-items: stretch; 
}

.message_input_wrapper {
    display: inline-block;
    height: 50px;
    border-radius: 25px;
    border: 1px solid #bcbdc0;
    width: calc(100% - 20px); 
    position: relative;
    padding: 0 20px;
    margin-bottom: 10px;
}
.send_message {
    width: 100%; 
    height: 50px;
    border-radius: 50px;
    background-color: #007bff;
    border: 2px solid #007bff;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s linear;
    text-align: center;
    margin-bottom: 10px;
}


.message_input {
    border: none;
    height: 100%;
    box-sizing: border-box;
    width: calc(100% - 40px);
    position: absolute;
    outline-width: 0;
    color: gray;
}


.send_message:hover {
    color: #007bff;
    background-color: #fff;
}

.send_message .text {
    font-size: 18px;
    font-weight: 300;
    display: inline-block;
    line-height: 48px;
}


.message_template {
    text-align: center;
}


.text_wrapper {
    display: inline-block;
    text-align: left;
}

.user-message {
    background-color: #007bff;
    color: #fff;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 10px;
    text-align: left;
    float: right;
    clear: both; 
}

.bot-message {
    background-color: #28a745;
    color: #fff;
    border-radius: 5px;
    padding: 10px;
    margin-bottom: 10px;
    text-align: left;
    float: left;
    clear: both; 
}

.upload_wrapper {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-top: 10px;
}

#fileUpload {
    width: calc(50% - 10px); 
    margin-right: 20px;
}

#uploadBtn {
    width: calc(50% - 10px); 
    height: 50px;
    border-radius: 50px;
    background-color: #007bff;
    border: 2px solid #007bff;
    color: #fff;
    cursor: pointer;
    transition: all 0.2s linear;
    text-align: center;
}