/* header -> logo, main menu, user menu */
#page-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;

    display: flex;
    height: 2.5rem;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing);
    gap: var(--spacing-s);
    background-color: white;
    box-shadow: var(--shadow);
    z-index: 3000;
}

#page-header-logo img {
    height: 2rem;
}
#page-header-logo {
    align-items: center;
    max-width: clamp(2rem, 20rem, 30vh);
    text-transform: uppercase;
}

#page-header-menu {
    flex: 1;
    text-align: center;
}

#page-header-user-menu > ul {
    display: flex;
    align-items: center;
    gap: var(--spacing-s);
}

.page-header-tool-button > a > i {
    font-size: 2rem;
}

.page-header-tool-button a::before {
    content: none !important;
}

#page-header-user-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-s);
}

#page-header-user-button div {
    text-align: right;
    color: var(--color-text);
    font-size: var(--font-s);
}

#page-header-user-button img,
#page-header-flag {
    width: 2rem;
    height: 2rem;
    border-radius: 2rem;
}
#page-header-flag {
    display: block;
    background-size: cover;
    background-repeat: no-repeat;
}

/* footer -> links, text */
#page-footer {
    display: flex;
    justify-content: space-between;
    background: var(--color-dark);
    padding: var(--spacing-s) var(--spacing-xl);
}

#page-footer-links {
    display: flex;
    gap: var(--spacing);
}

#page-footer-text {
    color: var(--color-secondary);
    font-size: var(--font-s);
}

/* page body ->  nav, main, aside */
#page-body {
    margin-top: 2.5rem;
    display: flex;
    gap: var(--spacing);
    padding: var(--spacing);
}

#page-content,
#page-nav,
#page-aside {
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

#page-content {
    flex: 1;
    min-height: calc(100vh - 6rem);
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

#page-nav,
#page-aside {
    width: 15rem;
    min-width: 15rem;
}

#page-nav {
    order: -1;
}

/* feedback */
#feedback {
    position: fixed;
    bottom: 20vh;
    right: 0;
    writing-mode: vertical-lr;
    transform: rotate(-180deg);
    font-size: var(--font-s);
    padding: calc(2 * var(--feedback-radius)) var(--feedback-radius);
    border-top-right-radius: var(--feedback-radius);
    border-bottom-right-radius: var(--feedback-radius);
    background-color: var(--color-warn);
    box-shadow: var(--shadow);
}

#feedback,
#feedback * {
    text-decoration: none;
    color: var(--color-primary);
    font-weight: bold;
    letter-spacing: 1px;
}

/* nav */
.nav {
    font-size: var(--font-l);
}

.nav ul {
    list-style: none;
}

.nav ul li {
    display: inline-block;
}

/* nav links */
.nav a {
    text-decoration: none;
    text-transform: uppercase;
    color: var(--color-text);
    display: flex;
    white-space: nowrap;
    align-items: center;
    gap: 0.4rem;
}

.nav a img {
    width: 1rem;
    height: 1rem;
}

.nav a:hover,
.nav li.selected > a {
    color: var(--color-primary);
}

.nav li:not(:first-child) > a::before {
    content: "/";
    font-weight: 900;
    color: var(--color-primary);
    margin: 0 var(--spacing-xs);
}

.nav li:has(.submenu) > a::after {
    content: "\eb5d";
    font-family: var(--font-family-icons);
    font-size: var(--font-s);
}

/* nav submenu */
.nav li {
    position: relative;
}

.submenu {
    background: white;
    visibility: visible;
    opacity: 0;
    position: absolute;
    transition: all 0.5s ease;
    left: 0;
    display: none;
    min-width: 5rem;
    gap: var(--spacing-s);
    flex-direction: column;
    padding: var(--spacing);
    align-items: flex-start;
    z-index: 2000;
}

.submenu-right {
    left: unset !important;
    right: 0;
}

.nav li:hover > a,
.nav li:focus-within > a {
    color: var(--color-primary);
}

.nav li:hover .submenu,
.nav li:focus-within .submenu,
.submenu:hover,
.submenu:focus {
    z-index: 2000;
    visibility: visible;
    opacity: 1;
    display: flex;
}

/* responsive ui: hide menu text, on phones */
@media (width <=48em) {
    .user div {
        display: none;
    }

    .nav a > span:not(.lnr) {
        display: none;
    }

    .nav li:not(:first-child) > a::before {
        margin: 0;
        padding: 0;

        /* content: '|' */
    }

    #page-header {
        padding: var(--spacing-xs);
        gap: var(--spacing-xs);
    }
    #page-header-user-title,
    #page-header-logo span {
        display: none;
    }
    #page-body {
        flex-direction: column;
    }
    #page-nav,
    #page-aside {
        flex: 1;
        width: auto;
    }
}

@media print {
    #feedback,
    #page-header-menu,
    #page-nav,
    #page-aside,
    #page-footer {
        display: none;
    }

    body,
    #page-body {
        background-color: white !important;
    }

    #page-header {
        position: relative;
        box-shadow: none;
        z-index: initial;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid var(--color-dark);
    }
}