/* Responsive styles */

@media (max-width: 1200px) {
    .lot-content {
        flex-direction: column;
    }
    
    .lot-gallery, .lot-info {
        width: 100%;
    }
    
    .lot-slider {
        flex-wrap: wrap;
    }
    
    .lot-slide {
        width: calc(50% - 15px);
    }
}

@media (max-width: 992px) {
    .navbar .container {
        flex-wrap: wrap;
    }
    
    .logo {
        margin-bottom: 10px;
    }
    
    .search-container {
        order: 3;
        margin: 15px 0 0;
        max-width: 100%;
        width: 100%;
    }
    
    .nav-links {
        margin-left: auto;
    }
    
    .artist-bio {
        flex-direction: column;
    }
    
    .artist-bio .artist-image {
        width: 100%;
        max-width: 300px;
        margin: 0 auto 20px;
    }
    
    .filter-sort-container {
        flex-direction: column;
    }
    
    .filters {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .results-container {
        padding-left: 0;
    }
    
    .filter-group {
        margin-bottom: 15px;
    }
    
    .artist-profile {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .artist-profile .artist-bio {
        text-align: center;
    }
    
    .artist-actions {
        justify-content: center;
    }
    
    /* Art categories responsive */
    .art-categories .container {
        padding: 0 20px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .navbar .container {
        justify-content: center;
        text-align: center;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .nav-links {
        margin: 0 auto;
        justify-content: center;
    }
    
    .auth-links {
        margin: 15px 0 0;
        width: 100%;
        justify-content: center;
    }
    
    .auction-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .lot-header {
        flex-direction: column;
    }
    
    .lot-actions {
        margin-top: 20px;
    }
    
    .lot-slide {
        width: 100%;
    }
    
    .artist-slider {
        flex-wrap: wrap;
    }
    
    .artist-slide {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex: auto;
        width: 50%;
        padding: 10px 0;
    }
    
    .thumbnails {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    /* Art categories responsive */
    .art-categories .container {
        padding: 0 15px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-search {
        padding: 20px;
    }
    
    .hero-search form {
        flex-direction: column;
        gap: 15px;
    }
    
    .auction-timeline {
        padding: 0 15px;
    }
    
    .timeline-item {
        flex-direction: column;
    }
    
    .timeline-item .date {
        width: 100%;
        flex-direction: row;
        gap: 10px;
        padding: 10px;
    }
    
    .newsletter form {
        flex-direction: column;
        gap: 15px;
    }
    
    .newsletter button {
        width: 100%;
    }
    
    .sort-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .view-options {
        width: 100%;
        justify-content: flex-start;
    }
    
    .lot-actions {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .lot-actions button {
        flex: 1;
        min-width: calc(50% - 5px);
        justify-content: center;
    }
    
    .countdown {
        justify-content: space-between;
    }
    
    .time-unit {
        width: 60px;
    }
    
    .detail-row {
        flex-direction: column;
    }
    
    .detail-label {
        width: 100%;
        margin-bottom: 5px;
        font-weight: 600;
    }
    
    .artist-stats {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .artist-stats .stat {
        width: calc(50% - 8px);
    }
    
    /* Art categories responsive */
    .art-categories .container {
        padding: 0 10px;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .category-image {
        height: 160px;
    }
    
    .category-card h3 {
        font-size: 1.2rem;
    }
}