.navigation-bar {
    background-color: white;
    width: 100%;
    height: var(--navbar-height);
    top: 0;
    left: 0;
    position: fixed;
    z-index: 1051;

    padding: 0 20px;

    border-bottom: 1px solid var(--navbar-sidebar-border-color);

    display: flex;
    justify-content: space-between;
    align-items: center;

    transition-property: margin-left, width;
    transition-timing-function: ease-in-out;
}

.navbar-sidebar-toggle-icon {
    display: none;
}

.navigation-bar-items-container {
    display: flex;
    justify-content: space-between;
    width: 100%;
    gap: 12px;
    align-items: center;
}

.navbar-sidebar-toggle-icon {
    width: 16px;
    height: 16px;
    cursor: pointer;
    margin: auto;
}

.navigation-bar .item {
    flex: 0;
    width: fit-content;
}

.navigation-bar .item-flex-0 {
    flex: 0;
}

.navigation-bar .item-flex-1 {
    flex: 1;
}

.navigation-bar .item .desktop-only {
    display: none;
}

.navigation-bar .item > div:focus-visible {
    border: none;
    outline: none;
}

.navbar-button-item {
    border: none;
    padding: 0 2px;
}

.navbar-button-item:hover {
    border: none;
}

/* Mobile profile shortcut (hidden from lg up via Bootstrap d-lg-none) */
.navbar-mobile-user {
    flex-shrink: 0;
    min-width: 44px;
    min-height: 44px;
    padding: 4px;
    margin-left: auto;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    -webkit-tap-highlight-color: transparent;
    transition: background-color 0.15s ease, opacity 0.15s ease;
}

.navbar-mobile-user:active {
    opacity: 0.88;
}

.navbar-mobile-user__avatar-wrap {
    position: relative;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, #0f95e2 0%, #8b5cf6 100%);
}

.navbar-mobile-user__initials {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Open Sans', sans-serif;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    color: var(--color-pure-white);
    letter-spacing: 0.02em;
    pointer-events: none;
}

.navbar-mobile-user__avatar-wrap.has-photo .navbar-mobile-user__initials {
    display: none;
}

.navbar-mobile-user__avatar {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.navbar-mobile-user__avatar-wrap:not(.has-photo) .navbar-mobile-user__avatar {
    display: none;
}


/* Loading Bar — fixed to viewport so it stays under the navbar while content scrolls */
.navbar-loading-bar-container {
    position: fixed;
    top: calc(var(--navbar-height) - 4px);
    left: 0;
    right: 0;
    height: 20px;
    background-color: transparent;
    overflow: visible;
    pointer-events: none;
    z-index: 1051;
    transition-property: margin-left, width;
    transition-timing-function: ease-in-out;
}

@keyframes navbar-loading-gradient {
    0% {
        background-position: 200% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.navbar-loading-bar {
    position: relative;
    width: 100%;
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--loading-color-1, #152540),
        var(--loading-color-2, #597099),
        var(--loading-color-3, #BEE1F6),
        var(--loading-color-4, #0F95E2),
        var(--loading-color-3, #BEE1F6),
        var(--loading-color-2, #597099),
        var(--loading-color-1, #152540)
    );
    background-size: 200% 100%;
    animation: navbar-loading-gradient 2s linear infinite;
    opacity: 0;
    transition: opacity var(--loading-transition-duration, 0.4s) ease-in-out;
}

.navbar-loading-bar.is-visible {
    opacity: 1;
}

.navbar-loading-bar::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 0;
    right: 0;
    height: 6px;
    background: inherit;
    background-size: inherit;
    animation: inherit;
    filter: blur(15px);
    opacity: 0.8;
}

/* DESKTOP CLASSES AND MEDIA QUERIES */
@media screen and (min-width: 992px) {
    .navigation-bar {
        width: calc(100% - var(--sidebar-expanded-width));
    }

    .navigation-bar .item.desktop-only {
        display: block;
    }

    .navbar-sidebar-toggle-icon {
        display: flex; 
        gap: 8px;
        cursor: pointer;
    }

    .sidebar.collapsed ~ .content > nav > div.navigation-bar {
        margin-left: var(--sidebar-collapsed-width);
        width: calc(100% - var(--sidebar-collapsed-width));
    }

    .sidebar:not(.collapsed) ~ .content > nav > div.navigation-bar {
        margin-left: var(--sidebar-expanded-width);
        width: calc(100% - var(--sidebar-expanded-width));
    }

    .sidebar.collapsed ~ .content > nav .navbar-loading-bar-container {
        margin-left: var(--sidebar-collapsed-width);
        width: calc(100% - var(--sidebar-collapsed-width));
        right: auto;
    }

    .sidebar:not(.collapsed) ~ .content > nav .navbar-loading-bar-container {
        margin-left: var(--sidebar-expanded-width);
        width: calc(100% - var(--sidebar-expanded-width));
        right: auto;
    }
}