/* Professional Navigation Bar */

.navbar {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem var(--spacing-lg);
    max-width: 1280px;
    margin: 0 auto;
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.navbar-brand:hover {
    color: var(--primary-dark);
}

.navbar-logo {
    height: 28px;
    margin-right: var(--spacing-sm);
}

.navbar-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--spacing-xl);
}

.navbar-item {
    position: relative;
}

.navbar-link {
    display: flex;
    align-items: center;
    padding: 0.35rem 0;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-700);
    text-decoration: none;
    transition: color 0.2s ease;
}

.navbar-link:hover {
    color: var(--primary-color);
}

.navbar-link.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.navbar-user:hover {
    background-color: var(--gray-50);
}

.navbar-avatar {
    width: 30px;
    height: 30px;
    min-width: 30px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
    overflow: hidden;
}

.navbar-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.navbar-avatar i {
    font-size: 0.9rem;
    line-height: 1;
}

.navbar-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    display: none;
    z-index: 1001;
}

.navbar-dropdown.show {
    display: block;
}

.navbar-dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid var(--gray-100);
}

.navbar-dropdown-item:last-child {
    border-bottom: none;
}

.navbar-dropdown-item:hover {
    background-color: var(--gray-50);
    color: var(--primary-color);
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.navbar-toggle-icon {
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    display: block;
    position: relative;
}

.navbar-toggle-icon::before,
.navbar-toggle-icon::after {
    content: '';
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    display: block;
    position: absolute;
    left: 0;
}

.navbar-toggle-icon::before {
    top: -8px;
}

.navbar-toggle-icon::after {
    bottom: -8px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .navbar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        border-top: 1px solid var(--gray-200);
        box-shadow: var(--shadow-md);
        display: none;
    }
    
    .navbar-menu.show {
        display: flex;
    }
    
    .navbar-item {
        border-bottom: 1px solid var(--gray-100);
    }
    
    .navbar-link {
        padding: 1rem var(--spacing-lg);
    }
    
    .navbar-toggle {
        display: block;
    }
    
    .navbar-actions {
        gap: var(--spacing-sm);
    }
}