/* Keep the brand/logo at their original size. Only an overflowing desktop
   navigation row receives the fixed 80% scale. */
.app-navbar[data-header-fit="compact"] .navbar-nav {
    zoom: .8;
}

/* Large personal text/zoom must keep the mobile toggle beside the wordmark. */
.app-navbar[data-header-fit="mobile"] > .container {
    flex-wrap: nowrap;
}

.app-navbar[data-header-fit="mobile"] .app-brand-link {
    min-width: 0;
    flex: 1;
}

.app-navbar[data-header-fit="mobile"] .brand-wordmark-hero {
    max-width: 100%;
}

.app-navbar[data-header-fit="mobile"] .navbar-toggler {
    flex-shrink: 0;
}

@media (min-width: 992px) {
    .app-navbar[data-header-fit] > .container {
        flex-wrap: nowrap;
    }

    .app-navbar[data-header-fit] .navbar-collapse {
        min-width: 0;
    }

    .app-navbar:is([data-header-fit="normal"], [data-header-fit="compact"]) .navbar-nav {
        flex-wrap: nowrap;
        flex-shrink: 0;
        width: max-content;
    }

    .app-navbar[data-header-fit="collapsed"] .navbar-toggler {
        display: inline-flex;
        flex-shrink: 0;
    }

    .app-navbar[data-header-fit="collapsed"] .navbar-collapse {
        display: none !important;
        position: absolute;
        top: calc(100% + .45rem);
        inset-inline-start: auto;
        inset-inline-end: max(.5rem, var(--header-nav-padding-right));
        width: 360px;
        z-index: 1060;
        overflow-y: auto;
        padding: .72rem;
        border: 1px solid var(--border);
        border-radius: 18px;
        background: color-mix(in srgb, var(--bg-elevated) 94%, transparent);
        backdrop-filter: blur(10px);
        box-shadow: 0 20px 42px rgba(15, 23, 42, .2);
    }

    .app-navbar[data-header-fit="collapsed"] .navbar-collapse:is(.show, .collapsing) {
        display: block !important;
    }

    .app-navbar[data-header-fit="collapsed"] .navbar-nav {
        flex-direction: column;
        flex-wrap: nowrap;
        align-items: stretch !important;
        width: 100%;
        gap: .34rem;
    }

    .app-navbar[data-header-fit="collapsed"] .navbar-nav > .nav-item {
        order: initial;
        width: 100%;
        margin-left: 0;
    }

    .app-navbar[data-header-fit="collapsed"] :is(.nav-link, .nav-admin-collapse-toggle) {
        width: 100%;
        min-height: 44px;
        padding: .58rem .72rem;
        border-radius: 12px;
        justify-content: space-between;
        background: color-mix(in srgb, var(--card-soft) 76%, transparent);
    }

    .app-navbar[data-header-fit="collapsed"] .nav-admin-collapse {
        display: none;
        position: static;
        width: 100%;
        margin: .32rem 0 .44rem;
        padding: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
    }

    .app-navbar[data-header-fit="collapsed"] .nav-admin-collapse-item.is-open > .nav-admin-collapse {
        display: block;
    }

    .app-navbar[data-header-fit="collapsed"] .nav-admin-links {
        grid-template-columns: 1fr;
        box-shadow: none;
    }

    .app-navbar[data-header-fit="collapsed"] :is(.language-picker, .language-picker-toggle, .theme-toggle-inline, .nav-auth-btn) {
        width: 100%;
        min-width: 0;
    }

    .app-navbar[data-header-fit="collapsed"] .language-picker-menu {
        position: static;
        width: 100%;
        margin-top: .35rem;
    }

    .app-navbar[data-header-fit="collapsed"] .nav-account-toggle {
        max-width: none;
        justify-content: flex-start;
    }

    .app-navbar[data-header-fit="collapsed"] .nav-account-toggle::after {
        margin-inline-start: auto;
    }

    .app-navbar[data-header-fit-measuring] .navbar-nav {
        zoom: 1;
        width: max-content;
        flex-wrap: nowrap;
        flex-shrink: 0;
    }
}

.app-navbar:is([data-header-fit="collapsed"], [data-header-fit="mobile"]) .navbar-collapse {
    max-inline-size: calc(100vw / var(--profile-page-scale, 1) - 1rem);
    max-block-size: calc(100dvh / var(--profile-page-scale, 1) - 8rem);
}

/* Only the existing fullscreen and theme controls share a narrow-menu row.
   All navigation, language and account items retain their full-width rows. */
.app-navbar:is([data-header-fit="collapsed"], [data-header-fit="mobile"]) .navbar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center !important;
    column-gap: .5rem;
    padding-inline: 0;
}

[dir="rtl"] .app-navbar:is([data-header-fit="collapsed"], [data-header-fit="mobile"]) .navbar-nav {
    flex-direction: row-reverse;
}

.app-navbar:is([data-header-fit="collapsed"], [data-header-fit="mobile"]) .navbar-nav > [data-mobile-fullscreen-control] {
    flex: 1 1 0;
    width: auto;
    min-width: 0;
}

.app-navbar:is([data-header-fit="collapsed"], [data-header-fit="mobile"]) .navbar-nav [data-mobile-fullscreen-toggle] {
    height: auto;
    text-align: start !important;
}

.app-navbar:is([data-header-fit="collapsed"], [data-header-fit="mobile"]) [data-mobile-fullscreen-toggle] > svg {
    flex-shrink: 0;
}

.app-navbar:is([data-header-fit="collapsed"], [data-header-fit="mobile"]) [data-fullscreen-label] {
    min-width: 0;
    overflow-wrap: anywhere;
}

.app-navbar:is([data-header-fit="collapsed"], [data-header-fit="mobile"]) .navbar-nav > .nav-theme-toggle {
    flex: 0 0 auto;
    width: auto;
    margin-left: auto;
}

.app-navbar:is([data-header-fit="collapsed"], [data-header-fit="mobile"]) .nav-theme-toggle .theme-toggle-inline {
    width: max-content;
}

/* The existing help overlay occupies the physical upper-right corner. Keep
   its touch area separate from both theme buttons, including in RTL. */
.app-navbar:is([data-header-fit="collapsed"], [data-header-fit="mobile"]) .theme-toggle-inline[data-guidance-managed="1"] {
    padding-right: calc(44px + .2rem + 2px);
}

/* Bootstrap's active-link color must follow the same theme as the other
   header controls. State is shown by a soft surface, not a black label. */
.app-navbar {
    --bs-navbar-color: var(--muted);
    --bs-navbar-hover-color: var(--muted);
    --bs-navbar-active-color: var(--muted);
    --header-controls-gap: 1rem;
}

.app-navbar :is(.nav-link, .nav-admin-collapse-toggle, .language-picker-toggle, .nav-account-name) {
    color: var(--muted);
    font-weight: 600;
}

.app-navbar .header-nav-icon { color: currentColor; }

.app-navbar .navbar-nav .nav-link:is(.active, [aria-current="page"], [aria-expanded="true"], :hover, :focus-visible) {
    color: var(--muted);
    background: var(--tab-selected-bg, var(--accent-soft));
}

.app-navbar :is(.language-picker-toggle, .nav-account-toggle):is(:hover, :focus-visible, [aria-expanded="true"]) {
    color: var(--muted);
    border-color: var(--border-control);
    background: var(--tab-selected-bg, var(--accent-soft));
    box-shadow: var(--shadow-sm);
}

.app-navbar :is(.nav-link, .nav-account-toggle, .language-picker-toggle):focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* Signed-in headers keep the current language compact; the menu retains names. */
.app-navbar .language-picker.language-picker--flag-only {
    width: 44px;
    min-width: 44px;
}

.app-navbar .language-picker--flag-only .language-picker-toggle {
    width: 44px;
    min-width: 44px;
    justify-content: center;
    gap: 0;
    padding-inline: .4rem;
}

.app-navbar .language-picker--flag-only .language-picker-chevron {
    display: none;
}

.app-navbar:is([data-header-fit="collapsed"], [data-header-fit="mobile"]) .language-picker.language-picker--flag-only {
    width: 100%;
    min-width: 0;
}

@media (min-width: 992px) {
    /* Home has no dropdown indicator to balance an outer icon margin. Keep
       the visible icon/label pair centered without changing its icon size. */
    .app-navbar:is([data-header-fit="normal"], [data-header-fit="compact"]) .navbar-nav > .nav-item:first-child > .nav-link .header-nav-icon {
        margin-inline-start: 0;
    }

    /* Equal gaps are included in header_fit's natural-width measurement, so the
       existing 80% scale and collapsed-menu fallback account for it. */
    .app-navbar:is([data-header-fit="normal"], [data-header-fit="compact"]) .navbar-nav > :is(.nav-login-item, .nav-lang-select, .nav-theme-toggle, .nav-account-menu) {
        margin-left: 0 !important;
        margin-right: 0 !important;
        margin-inline-start: var(--header-controls-gap) !important;
    }

    /* Home precedes the guest controls; its legacy physical margin must not
       add to the language gap in RTL, including across the hidden fullscreen item. */
    .session-guest .app-navbar:is([data-header-fit="normal"], [data-header-fit="compact"]) .navbar-nav > .nav-item:first-child {
        margin-inline-end: 0;
    }
}

@media (forced-colors: active) {
    .app-navbar .nav-link[aria-current="page"] {
        outline: 1px solid Highlight;
        outline-offset: -1px;
    }
    .app-navbar :is(.nav-link, .nav-account-toggle, .language-picker-toggle):focus-visible {
        outline: 3px solid Highlight;
        outline-offset: 2px;
    }
}