#header {
    --logo-padding: 30px;
    --logo-width: 360px;
    --logo-min-width: 120px;
    --logo-space: minmax(var(--logo-min-width), var(--logo-width));

    --burger-margin: 2em;

    /* nav */
    --nav-space-between: 2em;
    --bubble-background-extra-width: calc(1.5 * var(--nav-space-between));
    --dur: 0.15s;

    display: grid;
    grid-template-columns: 1fr auto 1fr;
    width: 100%;
    height: var(--header-height);
    background-color: rgb(34, 43, 52);
    background-color: #1b140d;

}

#header .item > .text {
    color: var(--make-light-grey);
}

#header .item:hover > .text,
#header .item:focus > .text {
    color: #EEE;
}

#header div.logo-centering {
    display: none;
}

#header .logo {
    display: grid;
    grid-template-columns: var(--logo-padding) var(--logo-space) minmax(var(--nav-space-between), var(--logo-padding));
    align-self: center;
}

#header .logo img {
    display: block;
    margin: auto;
    max-height: 50px;
    object-fit: contain;
}

#burger {
    display: none;
    align-self: center;
    justify-self: end;
    margin-right: var(--burger-margin);
}

#burger .icon {
    margin: 0;
}

#nav > .item,
#side-nav > .item {
    height: 3em;
    margin: calc(var(--nav-space-between) / 2);
    padding: 0;
    justify-content: center;
}

#nav > .item:hover,
#side-nav > .item:hover,
#header .dropdown.active {
    /* Disables property from Fomantic-UI */
    background-color: transparent;
}

#nav > .item:focus,
#side-nav > .item:focus {
    /* Disable native outline when focusing, as we provide our own with the `.bubble-background` elements */
    outline: none;
}

#nav > .item .bubble-background,
#side-nav > .item .bubble-background {
    position: absolute;
    width: 100%;
    height: 1em;
    border-radius: 2em;
    opacity: 0;
    transition: width var(--dur) linear, height var(--dur) linear, opacity var(--dur) ease-out;
}

#nav > .item:hover .bubble-background,
#nav > .item:focus-within .bubble-background,
#side-nav > .item:hover .bubble-background,
#side-nav > .item:focus-within .bubble-background {
    width: calc(100% + var(--bubble-background-extra-width));
    height: 3em;
    opacity: 1;
}

#nav > .item:active .bubble-background,
#side-nav > .item:active .bubble-background {
    /* Prevents the bubble-backgrounds from only partially expanding before the new page loads
       (when clicking on a link in the navbar), on fast mobile devices */
    transition: all 0s;
}

#nav > .item > .text,
#side-nav > .item > .text {
    z-index: 1;
    transition: color var(--dur) ease;
}

#nav > .item .make-bg-yellow.bubble-background {
    filter: brightness(90%);
}

#nav > .item .make-bg-turquoise.bubble-background {
    filter: brightness(90%);
}

#nav > .item .make-bg-blue.bubble-background,
#side-nav > .item .make-bg-blue.bubble-background {
    filter: brightness(130%);
}

#side-nav {
    --estimated-max-name-length: 10em;

    margin: 0;
    justify-self: end;
    display: grid;
    grid-template-columns: var(--estimated-max-name-length) calc(var(--logo-padding) + 10px);
    justify-items: end;
}

#side-nav > .item {
    margin-right: 0;
}

#header .dropdown .menu {
    background-color: rgb(34, 43, 52);
    border-radius: 7px;
    border: 2px solid var(--make-light-grey);
}

#header .dropdown .menu > .item {
    /* For user dropdown: Fixes weird centering of dropdown items, caused by Fomantic-UI setting dropdown menu to `display: flex !important`
                          when it's too close to the right window edge.
       For makerspace dropdown: Fixes dropdown items not covering the entire width of the dropdown. */
    align-self: auto;
}

#header .dropdown .menu > .active.item {
    /* Prevents changing the font-weight to bold when focusing on a dropdown element,
       which happens due to the workaround code in `header.js` */
    font-weight: normal !important;
}

#header .dropdown .menu > .item:hover,
#header .dropdown .menu > .item:focus {
    background-color: rgba(255, 255, 255, 0.08) !important; /* Overrides Fomantic-UI */
}

#side-nav .logout-form button[type=submit] {
    width: 100%;
    height: 100%;
    text-align: start;
    border: none;
    padding: 0;
    background: none;
    cursor: pointer;
}

#side-nav .set-language-form {
    position: absolute;
    margin: 0;
    top: 0;
    right: 0;
}

#side-nav .set-language-form .button {
    margin: 0;
    padding: 0.75em;
    box-shadow: none;
}

#side-nav .set-language-form .inverted.make-col-ligrey.button:hover,
#side-nav .set-language-form .inverted.make-col-ligrey.button:focus {
    box-shadow: 0 0 0 2px var(--make-light-grey) inset; /* Same as Fomantic-UI's style for inverted buttons, except the color */
    background-color: transparent;
}

#side-nav .set-language-form .button .globe.icon {
    margin: 0 -5px 0 3px;
}


/* Narrower space between elements in navbar */
@media screen and (max-width: 1199.98px) {
    #header {
        --nav-space-between: 1em;
    }
}


/* Switch to mobile layout with burger */
@media screen and (max-width: 991.98px) {
    #header {
        --burger-space: minmax(calc(3em + var(--burger-margin)), 1fr);

        grid-template-columns: var(--burger-space) auto var(--burger-space);
        grid-template-rows: var(--header-height);
    }

    #header.active {
        height: auto;
    }

    #header div.logo-centering {
        display: inline;
    }

    #header .logo {
        grid-template-columns: var(--logo-padding) var(--logo-space) var(--logo-padding);
    }

    #burger {
        display: inline;
    }

    #nav {
        grid-row: 2;
        grid-column-start: 1;
        grid-column-end: 4;
        margin: 0;
        justify-self: center; /* Makes the navbar not take up the entire width of its parent, which most noticably applies to the buttons inside */
    }

    #nav,
    #side-nav {
        display: none;
    }

    #header.active #nav,
    #header.active #side-nav {
        display: inline;
    }

    #nav > .item,
    #side-nav > .item {
        margin: 0;
    }

    #side-nav {
        align-self: end;
        justify-self: center;
        grid-row-start: 3;
        grid-column-start: 1;
        grid-column-end: 5;
        margin-top: 2em;
        margin-bottom: 1em;
    }

    #header.active .dropdown .menu {
        /* Fixes Fomantic-UI de-centering the dropdown menu */
        left: initial;
    }

    #side-nav .set-language-form {
        position: static;
    }
}