.topnav {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--topnav-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    transition: left 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.topnav-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.topnav-breadcrumb .breadcrumb {
    margin: 0;
    background: none;
    padding: 0;
}

.topnav-breadcrumb .breadcrumb-item {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.topnav-breadcrumb .breadcrumb-item.active {
    color: var(--gray-800);
    font-weight: 500;
}

.topnav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topnav-search {
    position: relative;
    width: 300px;
}

.topnav-search input {
    width: 100%;
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1px solid var(--gray-300);
    border-radius: 2rem;
    background: var(--gray-50);
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.topnav-search input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0, 81, 162, 0.1);
}

.topnav-search i {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
    font-size: 1rem;
}

.topnav-notification {
    position: relative;
    padding: 0.5rem;
    border-radius: 50%;
    background: var(--gray-100);
    border: none;
    color: var(--gray-600);
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.topnav-notification:hover {
    background: var(--gray-200);
    color: var(--gray-800);
}

.topnav-notification.has-notifications::after {
    content: '';
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    width: 8px;
    height: 8px;
    background: var(--error-color);
    border-radius: 50%;
    border: 2px solid var(--white);
}

.topnav-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem;
    border-radius: 2rem;
    background: var(--gray-50);
    border: none;
    transition: all 0.3s ease;
}

.topnav-user:hover {
    background: var(--gray-100);
}

.topnav-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
}

.topnav-user-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-800);
    margin: 0;
}

.currency-display {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--ugx-bg);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ugx-color);
}

.currency-display i {
    font-size: 1rem;
}

/* Mobile Topnav */
@media (max-width: 991.98px) {
    .topnav {
        left: 0;
        padding: 0 1rem;
    }
    
    .topnav-search {
        width: 200px;
    }
    
    .topnav-user-name {
        display: none;
    }
}

@media (max-width: 768px) {
    .topnav-search {
        width: 150px;
    }
    
    .topnav-breadcrumb {
        display: none;
    }
    
    .currency-display {
        display: none;
    }
}