/* RefBase application navigation.
 * Layout follows the original, simple order:
 * logo/actions – main navigation – federation information.
 * All colours come from the active theme tokens.
 */

.vrms-app-header {
    position: sticky;
    top: 0;
    z-index: 1040;
    min-height: 4.05rem;
    padding: .45rem 0;
    border: 0;
    border-bottom: 1px solid var(--app-navbar-border);
    background: var(--app-navbar-bg) !important;
    color: var(--app-navbar-text);
    box-shadow: var(--app-shadow);
}

.vrms-app-header > .container-fluid {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: .55rem;
    width: 100%;
    padding-inline: clamp(.65rem, 1.35vw, 1.4rem);
}

.vrms-header-left {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    gap: .28rem;
    min-width: 0;
}

.vrms-app-header .navbar-brand {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    min-width: 0;
    margin: 0 .08rem 0 0;
    padding: 0;
}

.vrms-header-logo,
.vrms-header-logo img {
    display: block;
    width: auto;
    max-width: 100%;
    max-height: 2.7rem;
}

.vrms-header-action,
.vrms-app-header .navbar-toggler {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 2.28rem;
    min-width: 2.28rem;
    height: 2.28rem;
    margin: 0;
    padding: 0;
    border: 1px solid var(--app-navbar-border);
    border-radius: var(--app-radius-md);
    background: var(--app-navbar-chip-bg);
    color: var(--app-navbar-chip-text);
    font: inherit;
    font-size: .9rem;
    line-height: 1;
    text-decoration: none;
    box-shadow: none;
}

.vrms-header-action:hover,
.vrms-header-action:focus-visible,
.vrms-app-header .navbar-toggler:hover,
.vrms-app-header .navbar-toggler:focus-visible {
    border-color: color-mix(in srgb, var(--app-action-primary) 45%, var(--app-navbar-border));
    background: var(--app-navbar-hover-bg);
    color: var(--app-navbar-hover-text);
    outline: none;
    box-shadow: 0 0 0 .18rem var(--app-focus-ring);
}

.vrms-app-header .navbar-toggler {
    display: none;
}

.vrms-app-header .navbar-collapse {
    min-width: 0;
}

.vrms-app-header .navbar-nav {
    align-items: center;
    flex-wrap: nowrap;
    gap: 0;
    min-width: 0;
    margin: 0;
    padding: 0;
}

.vrms-app-header .navbar-nav > .nav-item {
    flex: 0 0 auto;
    min-width: 0;
}

.vrms-app-header .navbar-nav > .nav-item > .nav-link {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: .28rem;
    min-height: 2.3rem;
    padding: .42rem .42rem;
    border-radius: var(--app-radius-md);
    color: var(--app-navbar-text);
    font-size: .86rem;
    font-weight: 650;
    line-height: 1.1;
    text-decoration: none;
    white-space: nowrap;
}

.vrms-app-header .navbar-nav > .nav-item > .nav-link:hover,
.vrms-app-header .navbar-nav > .nav-item > .nav-link:focus-visible,
.vrms-app-header .navbar-nav > .nav-item > .nav-link.show {
    background: var(--app-navbar-hover-bg);
    color: var(--app-navbar-hover-text);
    outline: none;
}

.vrms-app-header .dropdown-menu {
    min-width: 15rem;
    max-width: min(22rem, calc(100vw - 1.5rem));
    margin-top: .35rem;
    padding: .4rem;
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-lg);
    background: var(--app-surface-elevated);
    color: var(--app-text);
    box-shadow: var(--app-shadow);
}

.vrms-app-header .dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    min-height: 2.4rem;
    padding: .52rem .68rem;
    border-radius: var(--app-radius-md);
    color: var(--app-text);
    line-height: 1.25;
    overflow-wrap: anywhere;
    text-decoration: none;
    white-space: normal;
}

.vrms-app-header .dropdown-item:hover,
.vrms-app-header .dropdown-item:focus,
.vrms-app-header .dropdown-item.show {
    background: var(--app-dropdown-hover-bg);
    color: var(--app-dropdown-hover-text);
}

.vrms-app-header .dropdown-toggle::after {
    flex: 0 0 auto;
    margin-left: .34rem;
}

.vrms-app-header .dropdown-submenu {
    position: relative;
}

.vrms-app-header .dropdown-submenu > .dropdown-menu {
    position: absolute;
    top: -.4rem;
    left: calc(100% + .35rem);
    display: none;
    width: auto;
    min-width: 15rem;
    margin: 0;
}

.vrms-app-header .dropdown-submenu > .dropdown-menu.show,
.vrms-app-header .dropdown-submenu:hover > .dropdown-menu,
.vrms-app-header .dropdown-submenu:focus-within > .dropdown-menu {
    display: block;
}

.vrms-app-header .dropdown-submenu > .dropdown-toggle::after {
    transform: rotate(-90deg);
}

.vrms-app-header .dropdown-submenu.vrms-submenu-open-left > .dropdown-menu {
    right: calc(100% + .35rem);
    left: auto;
}

.vrms-federation-name {
    display: inline-flex;
    align-items: center;
    flex: 0 1 11rem;
    gap: .35rem;
    min-width: 0;
    max-width: 11rem;
    min-height: 2.15rem;
    margin-left: auto;
    padding: .32rem .55rem;
    border: 1px solid var(--app-navbar-border);
    border-radius: 999px;
    background: var(--app-navbar-chip-bg);
    color: var(--app-navbar-chip-text);
    line-height: 1.1;
}

.vrms-federation-name i {
    flex: 0 0 auto;
    font-size: .75rem;
}

.vrms-federation-name small {
    display: block;
    min-width: 0;
    overflow: hidden;
    font-size: .68rem;
    font-weight: 750;
    letter-spacing: .01em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Bootstrap xxl breakpoint: horizontal navigation from 1400px upward. */
@media (min-width: 1400px) {
    .vrms-app-header .navbar-collapse {
        display: flex !important;
        align-items: center;
        justify-content: center;
        flex: 1 1 auto;
        width: auto;
    }

    .vrms-app-header .navbar-nav {
        justify-content: center;
        width: auto;
    }

    .vrms-app-header .navbar-toggler {
        display: none !important;
    }
}

/* 1400–1599px: compact desktop navigation. */
@media (min-width: 1400px) and (max-width: 1599.98px) {
    .vrms-app-header > .container-fluid {
        gap: .36rem;
        padding-inline: .68rem;
    }

    .vrms-header-logo,
    .vrms-header-logo img {
        width: 2.3rem;
        max-height: 2.42rem;
    }

    .vrms-header-action {
        width: 2.08rem;
        min-width: 2.08rem;
        height: 2.08rem;
        font-size: .84rem;
    }

    .vrms-app-header .navbar-nav > .nav-item > .nav-link {
        min-height: 2.2rem;
        padding: .36rem .3rem;
        font-size: .86rem;
    }

    .vrms-federation-name {
        flex: 0 0 6.7rem;
        max-width: 6.7rem;
    }

    .vrms-federation-name small {
        font-size: .66rem;
    }
}

/* 1600–1799px: generous desktop navigation. */
@media (min-width: 1600px) and (max-width: 1799.98px) {
    .vrms-app-header > .container-fluid {
        gap: .48rem;
        padding-inline: .85rem;
    }

    .vrms-app-header .navbar-nav > .nav-item > .nav-link {
        padding-inline: .38rem;
        font-size: 1.04rem;
    }

    .vrms-federation-name {
        flex-basis: 7.5rem;
        max-width: 7.5rem;
    }

    .vrms-federation-name small {
        font-size: .72rem;
    }
}

/* Large screens: most relaxed typography; federation remains the short name. */
@media (min-width: 1800px) {
    .vrms-app-header > .container-fluid {
        gap: .68rem;
        padding-inline: 1.1rem;
    }

    .vrms-app-header .navbar-nav {
        gap: .04rem;
    }

    .vrms-app-header .navbar-nav > .nav-item > .nav-link {
        padding-inline: .5rem;
        font-size: 1.1rem;
    }

    .vrms-federation-name {
        flex-basis: 8.5rem;
        max-width: 8.5rem;
    }

    .vrms-federation-name small {
        font-size: .76rem;
    }
}

/* Collapsed navigation below 1400px. */
@media (max-width: 1399.98px) {
    .vrms-app-header {
        padding-block: .42rem;
    }

    .vrms-app-header > .container-fluid {
        flex-wrap: wrap;
        gap: .4rem;
    }

    .vrms-header-left {
        order: 1;
    }

    .vrms-app-header .navbar-toggler {
        order: 3;
        display: inline-flex;
        margin-left: 0;
    }

    .vrms-federation-name {
        order: 2;
        flex: 0 1 8rem;
        max-width: 8rem;
        margin-left: auto;
    }

    .vrms-app-header .navbar-collapse {
        order: 4;
        flex-basis: 100%;
        width: 100%;
        padding-top: .38rem;
    }

    .vrms-app-header .navbar-nav {
        align-items: stretch;
        gap: .2rem;
        width: 100%;
        padding: .5rem;
        border: 1px solid var(--app-border);
        border-radius: var(--app-radius-lg);
        background: var(--app-surface-elevated);
        color: var(--app-text);
    }

    .vrms-app-header .navbar-nav > .nav-item > .nav-link {
        justify-content: space-between;
        min-height: 2.45rem;
        padding: .52rem .68rem;
        color: var(--app-text);
        font-size: .92rem;
        white-space: normal;
    }

    .vrms-app-header .navbar-nav > .nav-item > .nav-link:hover,
    .vrms-app-header .navbar-nav > .nav-item > .nav-link:focus-visible,
    .vrms-app-header .navbar-nav > .nav-item > .nav-link.show {
        background: var(--app-dropdown-hover-bg);
        color: var(--app-dropdown-hover-text);
    }

    .vrms-app-header .navbar-nav .dropdown-menu {
        position: static !important;
        width: 100%;
        max-width: none;
        min-width: 0;
        margin: .2rem 0 .35rem;
        padding: .3rem 0 .3rem .65rem;
        border: 0;
        border-left: 2px solid var(--app-border);
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        transform: none !important;
    }

    .vrms-app-header .dropdown-submenu > .dropdown-menu {
        position: static;
        display: none;
        margin-left: .35rem;
    }

    .vrms-app-header .dropdown-submenu > .dropdown-menu.show {
        display: block;
    }

    .vrms-app-header .dropdown-submenu > .dropdown-toggle::after {
        transform: none;
    }
}

@media (max-width: 767.98px) {
    .vrms-app-header > .container-fluid {
        gap: .32rem;
        padding-inline: .5rem;
    }

    .vrms-header-logo,
    .vrms-header-logo img {
        width: 2.18rem;
        max-height: 2.3rem;
    }

    .vrms-header-action,
    .vrms-app-header .navbar-toggler {
        width: 2.15rem;
        min-width: 2.15rem;
        height: 2.15rem;
        font-size: .8rem;
    }

    .vrms-federation-name {
        flex-basis: min(7rem, 32vw);
        max-width: min(7rem, 32vw);
        min-height: 2.05rem;
        padding: .28rem .45rem;
    }

    .vrms-federation-name small {
        font-size: .65rem;
    }
}

@media (max-width: 439.98px) {
    .vrms-app-header > .container-fluid {
        gap: .24rem;
        padding-inline: .38rem;
    }

    .vrms-header-left {
        gap: .18rem;
    }

    .vrms-header-logo,
    .vrms-header-logo img {
        width: 2rem;
        max-height: 2.12rem;
    }

    .vrms-header-action,
    .vrms-app-header .navbar-toggler {
        width: 2rem;
        min-width: 2rem;
        height: 2rem;
        border-radius: .5rem;
    }

    .vrms-federation-name {
        flex-basis: min(5.8rem, 27vw);
        max-width: min(5.8rem, 27vw);
        padding-inline: .38rem;
    }

    .vrms-federation-name i {
        font-size: .68rem;
    }
}