/* 
 * iPad-Specific Layout Enhancements for VulnX
 * Optimized for tablet viewing with split-screen and multitasking support
 */

/* iPad Portrait Layouts (768px - 1024px) */
@media screen and (min-device-width: 768px) and (max-device-width: 1024px) and (orientation: portrait) {
    
    /* Dashboard Grid Optimization for iPad Portrait */
    .vulnapi-dashboard {
        max-width: 90%;
        margin: 0 auto;
        padding: var(--ios-spacing-2xl);
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--ios-spacing-2xl);
    }
    
    .vulnapi-cards {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--ios-spacing-xl);
        margin-bottom: var(--ios-spacing-2xl);
    }
    
    .vulnapi-card {
        padding: var(--ios-spacing-xl);
        border-radius: var(--ios-radius-xl);
        min-height: 120px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    
    .vulnapi-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--ios-shadow-xl);
    }
    
    /* Enhanced Charts Layout for iPad */
    .vulnapi-charts-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--ios-spacing-2xl);
        margin-bottom: var(--ios-spacing-2xl);
    }
    
    .chart-container {
        background: var(--ios-secondary-background);
        border-radius: var(--ios-radius-xl);
        padding: var(--ios-spacing-2xl);
        box-shadow: var(--ios-shadow-lg);
        min-height: 300px;
    }
    
    /* CVE List Optimizations for iPad Portrait */
    .cve-list-container {
        display: grid;
        grid-template-columns: 320px 1fr;
        gap: var(--ios-spacing-2xl);
        align-items: start;
    }
    
    .cve-filters-sidebar {
        position: sticky;
        top: 100px;
        background: var(--ios-secondary-background);
        border-radius: var(--ios-radius-xl);
        padding: var(--ios-spacing-2xl);
        box-shadow: var(--ios-shadow-lg);
        max-height: calc(100vh - 120px);
        overflow-y: auto;
    }
    
    .cve-main-content {
        min-width: 0; /* Prevents grid overflow */
    }
    
    .cve-item {
        background: var(--ios-secondary-background);
        border-radius: var(--ios-radius-lg);
        padding: var(--ios-spacing-xl);
        margin-bottom: var(--ios-spacing-lg);
        box-shadow: var(--ios-shadow-md);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
        border: 1px solid var(--ios-separator);
    }
    
    .cve-item:hover {
        transform: translateY(-2px);
        box-shadow: var(--ios-shadow-lg);
    }
    
    /* Table Enhancements for iPad */
    .vulnapi-table {
        border-radius: var(--ios-radius-lg);
        overflow: hidden;
        box-shadow: var(--ios-shadow-md);
        background: var(--ios-secondary-background);
    }
    
    .vulnapi-table th,
    .vulnapi-table td {
        padding: var(--ios-spacing-lg);
        font-size: 1rem;
    }
    
    .vulnapi-table th {
        background: var(--ios-tertiary-background);
        font-weight: 600;
        color: var(--ios-label);
    }
}

/* iPad Landscape Layouts (1024px - 1366px) */
@media screen and (min-device-width: 1024px) and (max-device-width: 1366px) and (orientation: landscape) {
    
    .vulnapi-dashboard {
        max-width: 95%;
        margin: 0 auto;
        padding: var(--ios-spacing-2xl) var(--ios-spacing-xl);
    }
    
    .vulnapi-cards {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: var(--ios-spacing-2xl);
        margin-bottom: var(--ios-spacing-2xl);
    }
    
    .vulnapi-charts-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--ios-spacing-2xl);
    }
    
    /* Three-column layout for landscape iPad */
    .cve-list-container {
        display: grid;
        grid-template-columns: 280px 1fr 300px;
        gap: var(--ios-spacing-xl);
    }
    
    .cve-quick-actions {
        position: sticky;
        top: 100px;
        background: var(--ios-secondary-background);
        border-radius: var(--ios-radius-xl);
        padding: var(--ios-spacing-xl);
        box-shadow: var(--ios-shadow-lg);
        max-height: calc(100vh - 120px);
        overflow-y: auto;
    }
    
    /* Enhanced navigation for landscape */
    .vulnapi-navbar-menu {
        gap: 1em;
    }
    
    .vulnapi-navbar-menu li a {
        padding: 12px 24px;
        font-size: 1rem;
    }
}

/* iPad Split View Support */
@media screen and (min-width: 375px) and (max-width: 768px) {
    /* When iPad is in split view, treat as mobile */
    .vulnapi-cards {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--ios-spacing-md);
    }
    
    .vulnapi-charts-grid {
        grid-template-columns: 1fr;
        gap: var(--ios-spacing-lg);
    }
    
    .cve-list-container {
        grid-template-columns: 1fr;
        gap: var(--ios-spacing-lg);
    }
    
    .cve-filters-sidebar {
        position: static;
        max-height: none;
    }
}

/* iPad Multitasking Support */
@media screen and (min-width: 320px) and (max-width: 694px) {
    /* Compact width for iPad multitasking */
    .vulnapi-dashboard {
        padding: var(--ios-spacing-md);
    }
    
    .vulnapi-cards {
        grid-template-columns: 1fr;
        gap: var(--ios-spacing-md);
    }
    
    .vulnapi-card {
        padding: var(--ios-spacing-lg);
        min-height: 80px;
    }
    
    .vulnapi-charts-grid {
        grid-template-columns: 1fr;
        gap: var(--ios-spacing-md);
    }
    
    .chart-container {
        padding: var(--ios-spacing-lg);
        min-height: 250px;
    }
}

/* iPad Pro 12.9" Optimizations */
@media screen and (min-device-width: 1024px) and (max-device-width: 1366px) and (-webkit-device-pixel-ratio: 2) {
    
    .vulnapi-dashboard {
        max-width: 1200px;
        margin: 0 auto;
        padding: var(--ios-spacing-3xl);
    }
    
    .vulnapi-cards {
        grid-template-columns: repeat(5, 1fr);
        gap: var(--ios-spacing-2xl);
    }
    
    .vulnapi-charts-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--ios-spacing-2xl);
    }
    
    /* Four-column layout for large iPad Pro */
    .cve-list-container {
        display: grid;
        grid-template-columns: 300px 1fr 280px 280px;
        gap: var(--ios-spacing-xl);
    }
    
    .cve-meta-panel {
        background: var(--ios-secondary-background);
        border-radius: var(--ios-radius-xl);
        padding: var(--ios-spacing-xl);
        box-shadow: var(--ios-shadow-lg);
    }
}

/* iPad Specific Touch Enhancements */
@media (pointer: coarse) and (min-device-width: 768px) {
    
    /* Larger touch targets for iPad */
    .vulnapi-card {
        min-height: 100px;
        cursor: pointer;
    }
    
    .cve-item {
        cursor: pointer;
        user-select: none;
    }
    
    /* Enhanced button styles for iPad */
    .filter-button,
    .pagination a,
    .btn {
        min-height: 48px;
        min-width: 48px;
        padding: 12px 24px;
        font-size: 1rem;
        border-radius: var(--ios-radius-md);
        cursor: pointer;
    }
    
    /* Improved form controls for iPad */
    .filter-input,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    select,
    textarea {
        min-height: 48px;
        padding: 12px 16px;
        font-size: 1rem;
        border-radius: var(--ios-radius-md);
        border: 1px solid var(--ios-separator);
        background: var(--ios-background);
    }
    
    .filter-input:focus,
    input:focus,
    select:focus,
    textarea:focus {
        outline: none;
        border-color: var(--ios-blue);
        box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
    }
}

/* iPad Dark Mode Optimizations */
@media (prefers-color-scheme: dark) and (min-device-width: 768px) {
    
    .vulnapi-card {
        background: var(--ios-secondary-background);
        border: 1px solid var(--ios-separator);
    }
    
    .cve-item {
        background: var(--ios-secondary-background);
        border: 1px solid var(--ios-separator);
    }
    
    .chart-container {
        background: var(--ios-secondary-background);
        border: 1px solid var(--ios-separator);
    }
    
    .cve-filters-sidebar,
    .cve-quick-actions,
    .cve-meta-panel {
        background: var(--ios-secondary-background);
        border: 1px solid var(--ios-separator);
    }
}

/* iPad Keyboard Navigation Support */
@media (min-device-width: 768px) {
    
    .focusable:focus,
    .vulnapi-card:focus,
    .cve-item:focus {
        outline: 3px solid var(--ios-blue);
        outline-offset: 2px;
        border-radius: var(--ios-radius-lg);
    }
    
    /* Keyboard shortcuts hint */
    .keyboard-hint {
        position: fixed;
        bottom: 20px;
        right: 20px;
        background: var(--ios-secondary-background);
        border: 1px solid var(--ios-separator);
        border-radius: var(--ios-radius-lg);
        padding: var(--ios-spacing-md);
        font-size: 0.875rem;
        color: var(--ios-secondary-label);
        opacity: 0;
        transition: opacity 0.3s ease;
        pointer-events: none;
        z-index: 1000;
    }
    
    .keyboard-hint.show {
        opacity: 1;
    }
}

/* iPad Scroll Enhancements */
@media (min-device-width: 768px) {
    
    /* Smooth scrolling for iPad */
    html {
        scroll-behavior: smooth;
    }
    
    /* Enhanced scroll bars for iPad */
    ::-webkit-scrollbar {
        width: 8px;
        height: 8px;
    }
    
    ::-webkit-scrollbar-track {
        background: var(--ios-background);
        border-radius: 4px;
    }
    
    ::-webkit-scrollbar-thumb {
        background: var(--ios-separator);
        border-radius: 4px;
    }
    
    ::-webkit-scrollbar-thumb:hover {
        background: var(--ios-opaque-separator);
    }
    
    /* Scroll snap for card grids */
    .vulnapi-cards {
        scroll-snap-type: x mandatory;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .vulnapi-card {
        scroll-snap-align: start;
        flex-shrink: 0;
    }
}

/* iPad Performance Optimizations */
@media (min-device-width: 768px) {
    
    /* Hardware acceleration for smooth animations */
    .vulnapi-card,
    .cve-item,
    .chart-container {
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
        will-change: transform;
    }
    
    /* Optimize large lists for iPad */
    .cve-list {
        contain: layout style paint;
    }
    
    .cve-item {
        contain: layout style;
    }
}

/* iPad Accessibility Enhancements */
@media (min-device-width: 768px) {
    
    /* Larger text support */
    @media (prefers-font-size: large) {
        .vulnapi-card-title {
            font-size: 1.2rem;
        }
        
        .vulnapi-card-value {
            font-size: 2.2rem;
        }
        
        .cve-id {
            font-size: 1.4rem;
        }
        
        .cve-description {
            font-size: 1.1rem;
            line-height: 1.6;
        }
    }
    
    /* High contrast mode support */
    @media (prefers-contrast: high) {
        .vulnapi-card,
        .cve-item,
        .chart-container {
            border: 2px solid var(--ios-label);
        }
        
        .vulnapi-card:focus,
        .cve-item:focus {
            outline: 4px solid var(--ios-blue);
        }
    }
    
    /* Reduced motion support */
    @media (prefers-reduced-motion: reduce) {
        .vulnapi-card,
        .cve-item {
            transition: none;
        }
        
        .vulnapi-card:hover,
        .cve-item:hover {
            transform: none;
        }
    }
}