* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: #1e1e1e;
    color: #fff;
}

#title {
    margin: 10px !important;
    text-align: center;
}

#container {
    max-width: 1080px;
    width: 100%;
    margin: auto;
    padding: 10px 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

#start-screen {
    width: 100%;
    margin: 20px 10px;
    height: 100%;
}

#description {
    width: 100%;
    height: 70vh;
    background: #1e1e1e;
    border: 1px solid #fff;
    color: #fff;
    font-size: 1.1rem;
    line-height: 1.5;
    padding: 10px;
    resize: none;
}

#start, #stop {
    display: block;
    margin: 20px auto;
    padding: 10px 20px;
    background: #007acc;
    border: none;
    font-size: 1.5rem;
    width: 100%;
    cursor: pointer;
}

#start:hover {
    background: #0061a7;
}

#chat-screen {
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: end;
    max-height: 80vh;
}

#chat {
    overflow-y: auto;
}

.user, .bot {
    margin: 12px 0;
    padding: 15px 20px;
    width: 100%;
    border-radius: 20px;
    font-size: 1.2rem;
}

.user {
    background: #2d2d30;
}

.bot {
    background: #3e3e42;
    margin-bottom: 17px;
}