:root {
    --sidebar-collapsed-width: calc(2 * 0.75rem + 2.5rem);
}

.navbar {
    background-color: var(--surface-soft) !important;
    border-bottom: var(--border-width) solid var(--border-color-default) !important;
    font-family: var(--font-system);
    padding-left: var(--sidebar-collapsed-width);
}

.navbar-brand {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-dark) !important;
    letter-spacing: 0.2px;
}

.navbar .nav-link {
    font-size: 0.875rem;
    letter-spacing: 0.3px;
    color: var(--color-secondary) !important;
    transition: color 0.15s ease-in-out;
}

.navbar .nav-link:hover,
.navbar .hover-dark:hover {
    color: var(--color-dark) !important;
}

.navbar .nav-link.active {
    color: var(--color-accent) !important;
}

.navbar .dropdown-menu {
    background-color: var(--surface-soft);
    border: var(--border-width) solid var(--border-color-default);
    border-radius: var(--radius-md);
    box-shadow: none;
    font-size: 0.875rem;
}

.navbar .dropdown-item {
    color: var(--color-secondary);
    font-size: 0.875rem;
}

.navbar .dropdown-item:hover {
    background-color: var(--surface-light);
    color: var(--color-dark);
}

.navbar .dropdown-item:active {
    background-color: rgba(165, 42, 42, 0.08);
    color: var(--color-dark);
}

.navbar .dropdown-divider {
    border-color: var(--border-color-default);
    opacity: 1;
}

.navbar .btn-primary {
    font-size: 0.875rem;
    padding: 0.25rem 0.875rem;
}