/* ===================================
   HPro - Responsive Styles
   Mobile and Tablet Optimizations
   =================================== */

/* Tablet - Large (1400px and below) */
@media (max-width: 1400px) {
    .main-content {
        grid-template-columns: 280px 1fr;
        gap: var(--spacing-xl);
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablet - Medium (1200px and below) */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 260px 1fr;
        gap: var(--spacing-lg);
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .series-tab {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }
}

/* Tablet - Small (992px and below) */
@media (max-width: 992px) {
    .header-container {
        padding: 0 var(--spacing-lg);
    }

    .search-container {
        width: 220px;
    }

    .main-content {
        padding: var(--spacing-xl) var(--spacing-lg);
        grid-template-columns: 240px 1fr;
    }
    
    .product-series-container {
        padding: 0 var(--spacing-lg);
    }
    
    .filters-sidebar {
        top: 140px;
        max-height: calc(100vh - 160px);
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .modal-content {
        max-width: 90%;
    }

    .modal-specs {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile - Large (768px and below) */
@media (max-width: 768px) {
    :root {
        font-size: 15px;
    }

    .header-container {
        height: auto;
        flex-wrap: wrap;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .search-container {
        width: 100%;
        max-width: 300px;
    }
    
    /* Product Series Nav - Mobile */
    .product-series-nav {
        top: auto;
        position: relative;
    }
    
    .product-series-container {
        padding: 0 var(--spacing-md);
    }
    
    .product-series-tabs {
        padding: var(--spacing-sm) 0;
        gap: var(--spacing-xs);
    }
    
    .series-tab {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.8rem;
    }
    
    .series-tab .count {
        font-size: 0.7rem;
        padding: 0.1rem 0.375rem;
    }

    /* Stack sidebar and content on mobile */
    .main-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .filters-sidebar {
        position: static;
        width: 100%;
        max-height: none;
        top: auto;
    }

    /* Mobile filter toggle */
    .filter-section {
        margin-bottom: var(--spacing-md);
        padding-bottom: var(--spacing-md);
    }

    .products-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .results-info h2 {
        font-size: 1.5rem;
    }

    .view-controls {
        align-self: flex-end;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .product-specs {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    /* Modal adjustments */
    .modal {
        padding: var(--spacing-md);
    }

    .modal-content {
        max-height: 95vh;
        border-radius: var(--radius-lg);
    }

    .modal-body {
        padding: var(--spacing-lg);
    }

    .modal-title {
        font-size: 1.5rem;
    }

    .modal-specs {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .modal-spec-value {
        font-size: 1.25rem;
    }

    .model-info-grid {
        grid-template-columns: 1fr;
    }

    .document-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile - Large (576px and below) */
@media (max-width: 576px) {
    :root {
        font-size: 14px;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }

    .header-container {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .logo {
        flex-direction: row;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .main-nav {
        padding-bottom: var(--spacing-xs);
    }

    .nav-link {
        padding: var(--spacing-xs) var(--spacing-md);
    }

    .search-input {
        padding: 0.5rem 0.875rem 0.5rem 2.25rem;
        font-size: 0.9rem;
    }

    .search-icon {
        left: 0.75rem;
        width: 18px;
        height: 18px;
    }
    
    /* Product Series Tabs - Small Mobile */
    .series-tab {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.75rem;
    }
    
    .series-tab .count {
        display: none;
    }

    .filters-sidebar {
        padding: var(--spacing-md);
    }

    .filter-title {
        font-size: 0.8rem;
    }

    .filter-option {
        font-size: 0.875rem;
        padding: var(--spacing-xs);
    }

    .btn-reset {
        padding: var(--spacing-sm);
        font-size: 0.875rem;
    }

    .product-card {
        border-radius: var(--radius-md);
    }

    .product-header {
        padding: var(--spacing-md);
    }

    .product-badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }

    .product-title {
        font-size: 1rem;
    }

    .product-subtitle {
        font-size: 0.8rem;
    }

    .product-body {
        padding: var(--spacing-md);
    }

    .spec-label {
        font-size: 0.7rem;
    }

    .spec-value {
        font-size: 0.9rem;
    }

    .product-models {
        padding: var(--spacing-sm);
    }

    .model-row {
        font-size: 0.8rem;
    }

    .product-footer {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-direction: column;
    }

    .btn-document {
        font-size: 0.75rem;
        padding: var(--spacing-xs);
    }

    /* Modal mobile optimizations */
    .modal {
        padding: 0;
        align-items: flex-end;
    }

    .modal-content {
        max-height: 92vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        width: 100%;
    }

    .modal-close {
        top: var(--spacing-md);
        right: var(--spacing-md);
        width: 36px;
        height: 36px;
    }

    .modal-body {
        padding: var(--spacing-md);
    }

    .modal-header {
        margin-bottom: var(--spacing-lg);
        padding-bottom: var(--spacing-md);
    }

    .modal-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.75rem;
    }

    .modal-title {
        font-size: 1.25rem;
    }

    .modal-subtitle {
        font-size: 1rem;
    }

    .modal-specs {
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-lg);
    }

    .modal-spec-item {
        padding: var(--spacing-md);
    }

    .modal-spec-label {
        font-size: 0.75rem;
    }

    .modal-spec-value {
        font-size: 1.125rem;
    }

    .modal-models {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    .modal-models h3,
    .modal-documents h3 {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-md);
    }

    .model-info-value {
        font-size: 1rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .document-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .document-card {
        padding: var(--spacing-md);
    }

    .document-name {
        font-size: 0.8rem;
    }
}

/* Mobile - Small (400px and below) */
@media (max-width: 400px) {
    .logo h1 {
        font-size: 1.25rem;
    }

    .product-title {
        font-size: 0.9rem;
    }

    .modal-title {
        font-size: 1.125rem;
    }

    .modal-spec-value {
        font-size: 1rem;
    }
    
    .series-tab {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
    }
}

/* Landscape orientation adjustments */
@media (max-height: 600px) and (orientation: landscape) {
    .main-header {
        position: relative;
    }
    
    .product-series-nav {
        position: relative;
    }

    .filters-sidebar {
        position: relative;
        top: auto;
    }

    .modal-content {
        max-height: 95vh;
    }
}

/* Print styles */
@media print {
    .main-header,
    .product-series-nav,
    .filters-sidebar,
    .view-controls,
    .product-footer,
    .btn-reset {
        display: none !important;
    }

    .main-content {
        display: block;
        padding: 0;
    }

    .products-grid {
        display: block;
    }

    .product-card {
        break-inside: avoid;
        page-break-inside: avoid;
        margin-bottom: var(--spacing-md);
    }

    body {
        background: white;
    }
}

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

    .spinner {
        animation: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .product-card {
        border-width: 2px;
    }

    .btn-document,
    .filter-option {
        border-width: 2px;
    }

    .modal-content {
        border: 2px solid var(--neutral-900);
    }
    
    .series-tab {
        border-width: 2px;
    }
}