* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    color: rgb(95, 95, 95);
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
    overflow: hidden;
}

#main {
    display: flex;
    width: 90%;
    height: 80%;
    background-color: #fff;
    border: 2px solid #000;
}

#whiteboard {
    flex: 3;
    background-color: #fff;
    border-right: 2px solid #000;
}

#message-sidebar {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #e5e5e5;
    justify-content: flex-end;
    width: 100%;
}

#msgs {
    width: 100%;
    max-width: 100%; 
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: pre-wrap;
    overflow-y: auto;
    height: 80vh;
    padding: 10px;
    box-sizing: border-box;
    background-color: #fff;
    border-bottom: 1px solid #ccc;
}

#ipt {
    padding: 10px;
    width: 100%;
    border: none;
    border-top: 1px solid #ccc;
    font-size: 1em;
    transition: 0.2s ease;
}

#ipt:focus{
    outline: none;
    border-color: #000;
}

#btn {
    padding: 10px;
    width: 100%;
    background-color: #444;
    color: white;
    border: none;
    cursor: pointer;
}

#btn:hover {
    background-color: #333;
}

#message-sidebar input, #message-sidebar button {
    margin: 0;
    border: none;
    font-size: 16px;
}

h1 {
    margin-bottom: 20px;
}

form{
    display: flex;
    padding: 20px;
    width: 25%;
    border: 2px solid black;
    gap: 4px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: white;
}

input{
    width: 100%;
    padding: 4px;
    transition: 0.2s ease;
    border: 1px solid black;
}

input{
    outline: none;
    border-color: #444;
}

#auth-btn{
    margin-top: 8px;
    width: 100%;
    padding: 4px;
    background-color: #444;
    color: white;
    transition: 0.2s ease;
}

#auth-btn:hover{
    background-color: #333;
}

@media screen and (max-width: 768px) {
    #main {
        display: flex;
        flex-direction: row;
    }

    #whiteboard{
        display: none;
    }

    form{
        display: flex;
        padding: 20px;
        width: 80%;
        border: 2px solid black;
        gap: 4px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background-color: white;
    }
}