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

/* Body styles */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f0f0f0;
    padding: 20px;
}

/* Header styles */
header {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
}

header a {
    color: #fff;
    text-decoration: none;
    margin-left: 10px;
}

header a:hover {
    text-decoration: underline;
}

/* Form styles */
form {
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    margin: 20px auto;
}

form label {
    display: block;
    margin-bottom: 10px;
}

form input[type="text"],
form input[type="password"],
form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

form input[type="submit"],
form button {
    background-color: #333;
    color: #fff;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 3px;
}

form input[type="submit"]:hover,
form button:hover {
    background-color: #555;
}

/* Chat styles */
ul {
    list-style-type: none;
    padding: 0;
}

ul li {
    margin-bottom: 10px;
}

textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

ul li strong {
    font-weight: bold;
}

ul li em {
    color: #777;
    font-style: italic;
}