.top-nav {
    position: sticky;
    top: 0;
    height: var(--topnav-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.top-nav-left {
    display: flex;
    align-items: center;
}

.top-nav-breadcrumb {
    margin: 0;
    font-size: 0.875rem;
}

.top-nav-breadcrumb .breadcrumb-item {
    color: var(--gray-600);
}

.top-nav-breadcrumb .breadcrumb-item.active {
    color: var(--primary-color);
    font-weight: 600;
}

.top-nav-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--gray-400);
    font-weight: 600;
}

.top-nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.top-nav-search .form-control {
    border: 1px solid var(--gray-300);
    border-radius: 2rem;
    padding-left: 2.5rem;
    background: var(--gray-100);
    transition: var(--transition-fast);
}

.top-nav-search .form-control:focus {
    background: var(--white);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 81, 162, 0.25);
}

.top-nav-search .search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-500);
    font-size: 1rem;
}

.top-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-nav-action {
    position: relative;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-100);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    font-size: 1.125rem;
    transition: var(--transition-fast);
    cursor: pointer;
}

.top-nav-action:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.05);
}

.top-nav-action.active {
    background: var(--primary-color);
    color: var(--white);
}

.top-nav-action .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.top-nav-profile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    transition: var(--transition-fast);
}

.top-nav-profile:hover {
    background: var(--gray-100);
}

.top-nav-profile img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    object-fit: cover;
}

.top-nav-profile-info {
    display: flex;
    flex-direction: column;
}

.top-nav-profile-info h6 {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
}

.top-nav-profile-info small {
    color: var(--gray-600);
    font-size: 0.75rem;
}

.top-nav-wallet {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--success-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.top-nav-wallet:hover {
    background: #218838;
    transform: scale(1.02);
}

.top-nav-wallet i {
    font-size: 1rem;
}

.top-nav-emergency {
    background: var(--danger-color);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-nav-emergency:hover {
    background: #c82333;
    transform: scale(1.02);
}

.top-nav-emergency i {
    font-size: 1rem;
}

/* Notification Dropdown */
.notification-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 320px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    max-height: 400px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-fast);
}

.notification-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.notification-dropdown-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.notification-dropdown-header h6 {
    margin: 0;
    font-weight: 600;
    color: var(--gray-900);
}

.notification-dropdown-header .btn {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
}

.notification-item {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    transition: var(--transition-fast);
    cursor: pointer;
}

.notification-item:hover {
    background: var(--gray-50);
}

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

.notification-item.unread {
    background: rgba(0, 81, 162, 0.05);
    border-left: 3px solid var(--primary-color);
}

.notification-item .icon-badge {
    width: 32px;
    height: 32px;
    font-size: 14px;
    flex-shrink: 0;
}

.notification-item-content {
    flex: 1;
}

.notification-item-content h6 {
    margin: 0 0 0.25rem 0;
    font-size: 0.875rem;
    font-weight: 600;
}

.notification-item-content p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--gray-600);
    line-height: 1.4;
}

.notification-item-content small {
    color: var(--gray-500);
    font-size: 0.75rem;
}

.notification-dropdown-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--gray-200);
    text-align: center;
}

.notification-dropdown-footer .btn {
    width: 100%;
    font-size: 0.875rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .top-nav {
        padding: 0 1rem;
    }
    
    .top-nav-search {
        width: 200px;
    }
    
    .top-nav-search .form-control {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem 0.5rem 2rem;
    }
    
    .top-nav-profile-info {
        display: none;
    }
    
    .top-nav-wallet {
        padding: 0.4rem 0.75rem;
        font-size: 0.8125rem;
    }
    
    .top-nav-emergency {
        padding: 0.4rem 0.75rem;
        font-size: 0.8125rem;
    }
    
    .notification-dropdown {
        width: 280px;
    }
}

/* Tablet Responsive */
@media (max-width: 1024px) and (min-width: 769px) {
    .top-nav {
        padding: 0 1.5rem;
    }
    
    .top-nav-search {
        width: 250px;
    }
}