body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

#menu {
    background-color: #2c3e50;
    color: white;
    width: 150px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: width 0.3s ease;
    position: fixed;
    height: 100%;
}

#menu.collapsed {
    width: 35px;
}

#menu select {
    margin-top: 15px;
    margin-bottom: 30px;
    background-color: #3498db;
    border: 5px solid #3498db;
    color: white;
    font-size: 11pt;
    font-weight: bold;
    border-radius: 5%;
}

#menu .logo {
    width: 100px;
    height: 100px;
    border: 5px solid #ffee00;
    border-radius: 50%;
    margin-bottom: 5px;
    transition: opacity 0.3s ease;
}

#menu h1 {
    font-size: 1.4em;
    margin-bottom: 0px;
    color: #ffee00;
    margin-top: 7px;
    transition: opacity 0.3s ease;
}

#menu h2 {
    font-size: 1.3em;
    margin-top: 0px;
    color: #ffee00;
    transition: opacity 0.3s ease;
}

#menu.collapsed .logo,
#menu.collapsed h1,
#menu.collapsed h2,
#menu.collapsed select {
    opacity: 0;
}

.toggle-menu-button {
    position: absolute;
    top: 290px;
    right: -15px;
    background-color: #2c3e50;
    color: rgb(250, 212, 0);
    border: 3px solid white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.menu-links {
    display: flex;
    flex-direction: column;
    align-items: baseline;
    margin-top: 40px;
    width: 100%;
}

#menu.collapsed .menu-links a {
    display: flex;
    justify-content: center;
}

#menu.collapsed .menu-links a::before {
    content: attr(data-icon);
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    margin-right: 0;
}

#menu.collapsed .menu-links a span {
    display: none;
}

#menu .menu-links a {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 10px;
    color: white;
    text-decoration: none;
    transition: background 0.3s ease;
}

#menu .menu-links a:hover {
    background-color: #34495e;
}

#content {
    margin-left: 150px;
    padding: 70px;
    flex: 1;
}

#menu.collapsed + #content {
    margin-left: 35px;
}

footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 10px;
    width: 100%;
    position: relative;
    bottom: 0;
}