
        :root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
        }
        
        .navbar {
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 0.8rem 1rem;
            background-color: white !important;
        }
        
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        
        .navbar-brand span {
            color: var(--accent-color);
        }
        
        .nav-link {
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            color: var(--dark-color) !important;
        }
        
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        
        .search-box {
            width: 400px;
            position: relative;
            margin-right: 1rem;
        }
        
        .search-input {
            border-radius: 20px;
            padding-left: 40px;
            border: 1px solid #ddd;
        }
        
        .search-icon {
            position: absolute;
            left: 15px;
            top: 10px;
            color: #777;
        }
        
        .cart-icon, .user-icon {
            position: relative;
            margin-left: 1rem;
        }
        
        .cart-count {
            position: absolute;
            top: -5px;
            right: -5px;
            background: var(--accent-color);
            color: white;
            border-radius: 50%;
            width: 18px;
            height: 18px;
            font-size: 11px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .dropdown-menu {
            border: none;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-radius: 8px;
        }
        
        .dropdown-item {
            padding: 0.5rem 1.5rem;
        }
        
        .dropdown-item:hover {
            background-color: var(--light-color);
            color: var(--secondary-color);
        }
        
        .btn-login {
            background-color: var(--secondary-color);
            color: white;
            border-radius: 20px;
            padding: 0.4rem 1.2rem;
            font-weight: 500;
            border: none;
        }
        
        .btn-login:hover {
            background-color: #2980b9;
            color: white;
        }
        
        .btn-register {
            background-color: var(--accent-color);
            color: white;
            border-radius: 20px;
            padding: 0.4rem 1.2rem;
            font-weight: 500;
            border: none;
            margin-left: 0.5rem;
        }
        
        .btn-register:hover {
            background-color: #c0392b;
            color: white;
        }
        
        .user-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 8px;
        }
        .footer{
            bottom: 2px;
        }
        
        @media (max-width: 992px) {
            .search-box {
                width: 100%;
                margin: 10px 0;
            }
            
            .navbar-nav {
                margin-top: 10px;
            }
            
            .btn-login, .btn-register {
                margin: 5px 0;
                width: 100%;
            }
        }
        .notification-menu {
            border: none;
            box-shadow: 0 5px 20px rgba(0,0,0,0.15);
            border-radius: 8px;
            padding: 0;
        }

        .notification-header {
            background-color: #f8f9fa;
            border-bottom: 1px solid #eee;
            position: sticky;
            top: 0;
            z-index: 1;
        }

        .notification-item {
            padding: 12px 15px;
            border-left: 3px solid transparent;
            transition: all 0.3s ease;
        }

        .notification-item:hover {
            background-color: #f8f9fa;
            border-left: 3px solid #007bff;
            transform: translateX(2px);
        }

        .notification-item .notification-content p {
            margin-bottom: 2px;
            color: #333;
        }

        .notification-item:hover .notification-content p {
            color: #007bff;
        }

        .empty-notification {
            opacity: 0.5;
        }
