/* responsive.css - Responsive Design */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .admin-sidebar {
        width: 70px;
    }
    
    .admin-sidebar .nav-text,
    .admin-sidebar .logo-text,
    .admin-sidebar .nav-section-title {
        display: none;
    }
    
    .admin-main {
        margin-right: 70px;
    }
    
    .search-box input {
        width: 200px;
    }
    
    .items-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    
    .admin-sidebar.show {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-right: 0;
    }
    
    .admin-header {
        padding: 0 15px;
    }
    
    .admin-content {
        padding: 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .header-actions {
        gap: 10px;
    }
    
    .search-box {
        display: none;
    }
    
    .search-box.mobile-show {
        display: block;
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: white;
        padding: 15px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }
    
    .search-box.mobile-show input {
        width: 100%;
    }
    
    .user-menu span {
        display: none;
    }
    
    .items-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .table-responsive {
        font-size: 0.9rem;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 10px;
    }
    
    .btn-group {
        flex-direction: column;
        gap: 5px;
    }
    
    .filter-form {
        grid-template-columns: 1fr;
    }
    
    .modal-dialog {
        width: 95%;
        margin: 10px;
    }
    
    /* Main site responsive */
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .search-form {
        grid-template-columns: 1fr;
    }
    
    .item-content {
        grid-template-columns: 1fr;
    }
    
    .main-image {
        height: 300px;
    }
    
    .thumbnail-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 576px) {
    .admin-header {
        height: 60px;
    }
    
    .content-header h1 {
        font-size: 1.5rem;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .stat-info {
        margin-bottom: 10px;
    }
    
    .table-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .table-tools {
        flex-wrap: wrap;
    }
    
    .pagination li {
        margin: 0 1px;
    }
    
    .pagination a,
    .pagination span {
        padding: 6px 10px;
        font-size: 0.9rem;
    }
    
    /* Main site responsive */
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .item-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .seller-header {
        flex-direction: column;
        text-align: center;
    }
    
    .seller-stats {
        justify-content: center;
    }
    
    .action-buttons {
        flex-direction: column;
    }
}

/* Print Styles */
@media print {
    .admin-sidebar,
    .admin-header,
    .btn,
    .table-tools,
    .pagination,
    .modal,
    .toast-container {
        display: none !important;
    }
    
    .admin-main {
        margin: 0 !important;
        width: 100% !important;
    }
    
    .table-container {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    .admin-table {
        border-collapse: collapse;
    }
    
    .admin-table th {
        background: #f2f2f2 !important;
        -webkit-print-color-adjust: exact;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --primary: #000;
        --secondary: #0066cc;
        --success: #008000;
        --danger: #cc0000;
        --warning: #ff8c00;
    }
    
    .admin-table {
        border: 2px solid #000;
    }
    
    .admin-table th,
    .admin-table td {
        border: 1px solid #000;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .admin-wrapper {
        background: #1a1a1a;
        color: #e0e0e0;
    }
    
    .admin-sidebar {
        background: #2c2c2c;
    }
    
    .admin-header,
    .stat-card,
    .table-container,
    .form-section,
    .chart-container,
    .filter-bar {
        background: #2c2c2c;
        color: #e0e0e0;
        border-color: #404040;
    }
    
    .admin-table th {
        background: #404040;
        color: #e0e0e0;
    }
    
    .admin-table tr:hover {
        background: #404040;
    }
    
    .form-control {
        background: #404040;
        border-color: #555;
        color: #e0e0e0;
    }
    
    .btn-outline {
        border-color: #555;
        color: #e0e0e0;
    }
    
    .btn-outline:hover {
        background: #404040;
    }
    
    .modal-dialog {
        background: #2c2c2c;
        color: #e0e0e0;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .pagination a {
        min-height: 44px;
        min-width: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .form-control {
        font-size: 16px; /* Prevents iOS zoom on focus */
    }
    
    .admin-table td {
        padding: 10px 5px;
    }
}

/* Landscape Mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .admin-sidebar {
        height: 100vh;
        overflow-y: auto;
    }
    
    .admin-content {
        padding: 15px;
    }
    
    .stat-card {
        padding: 15px;
    }
}


@media (max-width: 768px) {
    .search-form {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    
    .items-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .item-card h3 {
        font-size: 1rem;
        padding: 12px 12px 8px;
    }
    
    .item-card .price {
        font-size: 1.1rem;
        padding: 0 12px;
    }
    
    .item-card .location {
        padding: 0 12px 12px;
    }
}

@media (max-width: 576px) {
    .items-grid {
        grid-template-columns: 1fr;
        max-width: 350px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .container > h1,
    .container > h2 {
        text-align: center;
    }
}

@media (max-width: 992px) {
    .items-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .items-grid {
        grid-template-columns: 1fr;
    }
    .search-form {
        grid-template-columns: 1fr;
    }
}

/* Search Page Responsive */
@media (max-width: 992px) {
    .search-form {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .items-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .search-form {
        grid-template-columns: 1fr;
        padding: 20px;
    }
    
    .items-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .item-card img {
        height: 180px;
    }
    
    .item-card h3 {
        font-size: 1rem;
        padding: 12px 12px 8px;
    }
    
    .item-card .price {
        font-size: 1.2rem;
        padding: 0 12px;
    }
    
    .item-card .location {
        padding: 0 12px 12px;
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .items-grid {
        gap: 15px;
    }
    
    .item-card {
        border-radius: 8px;
    }
    
    .item-card img {
        height: 160px;
    }
}