aside {
    max-height: 100%;
    
    margin: 1em 0;
    padding: 1em;
    
    overflow: auto;
}
main {
    border-left: 1px solid var(--color-accenting-main);
}
aside nav h2 {
    margin-bottom: 2em;
    
    text-align: right;
    overflow-wrap: break-word;
}
aside nav {
    display: grid;
    grid-template-columns: auto;
    grid-template-rows: 1fr;
}
aside nav a {
    padding: 1em;
    
    color: var(--color-button-main);
    font-weight: bold;
    text-align: right;
    overflow-wrap: break-word;
    
    border-top: 1px solid var(--color-accenting-main);
}
aside nav a:last-child {
    border-bottom: 1px solid var(--color-accenting-main);
}
aside nav a:active {
    color: var(--color-accenting-main);
}
#navToggle, label[for="navToggle"] {
    display: none;
}

@media only screen and (max-width: 780px) {
    aside {
        display: none;
        
        margin: 0;
        padding-bottom: 6.5em; /* spacing for nav button at bottom */
    }
    main {
        border-left: 0;
        padding-bottom: 6.5em; /* spacing for nav button at bottom */
    }
    aside nav h2 {
        margin: 0;
        padding: 0.5em;
        
        text-align: center;
    }
    aside nav a {
        text-align: center;
    }
    label[for="navToggle"] {
        display: block;
        position: fixed;
        
        padding: .5em 0;
        
        user-select: none;
        
        width: calc(100% - 16px);
        
        bottom: calc(0.5em / 2); /* half of the padding */
        left: 0;
        
        z-index: 9999;
        
        font-size: 2em;
        text-align: center;
    }
    label[for="navToggle"] span svg {
        width: 2em;
        height: 2em;
    }
    #navToggle ~ aside { display: none; }
    #navToggle ~ label[for="navToggle"] .open { display: block; }
    #navToggle ~ label[for="navToggle"] .close { display: none; }
    #navToggle:checked ~ label[for="navToggle"] .open { display: none; }
    #navToggle:checked ~ label[for="navToggle"] .close { display: block; }
    
    #navToggle:checked ~ aside { display: block; }
    #navToggle:checked ~ aside nav h2 { padding-top: 0; }
    #navToggle:checked ~ main { display: none; height: 0; overflow: hidden; }
}