body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1em 0;
    text-align: center;
}

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

nav ul li {
    display: inline;
    margin: 0 1em;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

nav ul li a:hover {
    text-decoration: underline;
}

.user-info {
    margin-top: 1em;
    text-align: center;
}

.user-info img.avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    vertical-align: middle;
}

.user-info p {
    margin: 0;
    font-size: 1.2em;
}

#login-link {
    margin: 0;
}

#login-link a {
    color: #fff;
    text-decoration: none;
}

#login-link a:hover {
    text-decoration: underline;
}

.logout-icon {
    width: 24px;
    height: 24px;
    vertical-align: middle;
}

main {
    padding: 2em;
    text-align: center;
}

section {
    margin-bottom: 2em;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1em 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}

/* Command Category Navigation */
.commands-nav {
    margin-bottom: 1rem;
}

.commands-nav ul {
    list-style: none;
    padding: 0;
}

.commands-nav ul li {
    display: inline;
    margin-right: 15px;
}

.commands-nav ul li a {
    color: #4caf50; /* Green */
    text-decoration: none;
    font-weight: bold;
}

.commands-nav ul li a:hover {
    color: #ff4081; /* Magenta */
}