body {
    font-family: Arial, sans-serif;
    margin: 24px;
    background: #f2f2f2;
    color: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}




main {
    flex-basis: 35vw;
}

header,
form,
section {
    background: #fff;
    color: #222;
    padding: 16px;
    border: 1px solid #ccc;
}

form,
section {
    margin-top: 20px;
}


form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.messages {
    overflow: auto;
    max-height: 350px;
}

label {
    font-size: 0.9rem;
}

textarea {
    min-height: 80px;
    border: 1px solid #bbb;
    padding: 8px;
    font-family: inherit;
}

button {
    width: 120px;
    padding: 8px;
    border: 1px solid #333;
    background: #eee;
    cursor: pointer;
}

button:hover {
    background: #ddd;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

li {
    border: 1px solid #ddd;
    padding: 10px;
    margin-top: 10px;
    background: #fafafa;
}