/* Responsive styles */
@media screen and (max-width: 992px) {
    .container {
        padding: 15px;
    }
    
    header {
        flex-direction: column;
        padding: 15px;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    nav ul {
        justify-content: center;
    }
}

@media screen and (max-width: 768px) {
    header {
        padding: 10px;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .logo img {
        height: 40px;
    }
    
    nav ul li {
        margin-right: 10px;
    }
    
    nav ul li a {
        padding: 8px;
        font-size: 0.9rem;
    }
    
    main {
        padding: 15px;
    }
    
    .search-container, .form-container {
        padding: 15px;
    }
    
    .btn {
        padding: 8px 15px;
    }
    
    .results-table th, .results-table td {
        padding: 10px;
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 576px) {
    .logo {
        flex-direction: column;
        text-align: center;
    }
    
    .logo img {
        margin-left: 0;
        margin-bottom: 10px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 5px;
    }
    
    .search-container, .form-container {
        padding: 10px;
    }
    
    .results-table {
        overflow-x: auto;
        display: block;
    }
    
    .notification {
        width: 90%;
    }
}