/* Global Navigation Bar Styles - Enterprise Theme */
.global-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    box-shadow: var(--shadow);
    z-index: 9999;
    padding: 0;
    margin: 0;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 2rem;
    gap: 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--primary);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.025em;
    transition: all 0.2s ease;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
}

.nav-brand:hover {
    background: var(--background);
    color: var(--primary-dark);
    border-color: var(--border);
}

.nav-brand span:first-child {
    font-size: 1.5rem;
}

/* Brand Section with Tenant Display */
.nav-brand-section {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.current-tenant {
    display: none;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    margin-left: 2rem;
    background: var(--background-alt);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.current-tenant .tenant-label {
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.current-tenant .tenant-name {
    color: var(--primary);
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
}

.nav-link {
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    border: 1px solid transparent;
}

.nav-link:hover {
    background: var(--background);
    color: var(--primary);
    border-color: var(--border);
}

.nav-link.active {
    background: var(--primary);
    color: white;
    font-weight: 600;
}

.nav-link span:first-child {
    font-size: 1.125rem;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-dropdown-toggle:hover {
    background: var(--background);
    border-color: var(--border-dark);
    color: var(--primary);
}

.nav-dropdown.open .nav-dropdown-toggle {
    background: var(--background);
    border-color: var(--primary);
    color: var(--primary);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    display: none;
    overflow: hidden;
    border: 1px solid var(--border);
}

.nav-dropdown.open .nav-dropdown-menu,
.nav-dropdown-menu.show {
    display: block;
}

.nav-dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-dropdown-item:hover {
    background: var(--background);
    color: var(--primary);
    border-left-color: var(--primary);
}

.nav-separator {
    height: 1px;
    background: var(--border);
    margin: 0.25rem 0;
}

/* Add padding to body to account for fixed nav */
body.with-nav {
    padding-top: 4rem;
}

/* User Actions (Logout) */
.nav-user-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: 1rem;
}

.btn-logout {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--surface);
    color: var(--error);
    border: 1px solid var(--error);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background: var(--error);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-logout span:first-child {
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-dropdown {
        display: block;
    }

    .nav-user-actions {
        margin-left: 0.5rem;
    }

    .btn-logout span:last-child {
        display: none;
    }

    .btn-logout {
        padding: 0.5rem 0.75rem;
    }
}