/**
 * Financial Dashboard Mobile Responsive Styles
 * Mobile-first approach with progressive enhancement
 */

/* Design Token Breakpoints */
:root {
    --breakpoint-mobile: 480px;
    --breakpoint-tablet: 768px;
    --breakpoint-desktop: 1024px;
    --breakpoint-wide: 1400px;
}

/* Base Mobile Styles (Mobile First) */
.financial-dashboard {
    padding: var(--spacing-md); /* 16px */
    gap: var(--spacing-md);
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

/* Prevent horizontal scroll */
body {
    overflow-x: hidden;
}

/* Base grid - single column on mobile */
.dashboard-grid,
.key-metrics,
.charts-grid,
.savings-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    width: 100%;
}
    
/* Text overflow prevention */
.card-title,
.metric-label,
.tool-name,
.page-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Scrollable tables on mobile */
.table-container,
.tool-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    margin: 0 calc(-1 * var(--spacing-md));
    padding: 0 var(--spacing-md);
}

.data-table,
.tools-table {
    min-width: 600px; /* Maintain readability */
    width: 100%;
}

/* Chart containers scrollable */
.chart-container {
    position: relative;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
}

/* Tablet Breakpoint - 768px */
@media (min-width: 768px) {
    .financial-dashboard {
        padding: var(--spacing-lg); /* 24px */
        gap: var(--spacing-lg);
    }
    
    /* 2 column grids on tablet */
    .dashboard-grid,
    .charts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .key-metrics {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .savings-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop Breakpoint - 1024px */
@media (min-width: 1024px) {
    .financial-dashboard {
        padding: var(--spacing-xl); /* 32px */
        max-width: 1400px;
        margin: 0 auto;
    }
    
    /* Multi-column grids on desktop */
    .dashboard-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .key-metrics {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .charts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .savings-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile-specific overrides (max-width approach for specific mobile features) */
@media (max-width: 768px) {
    .summary-cards {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .summary-card {
        padding: 1rem;
        position: relative;
    }
    
    .summary-card h3 {
        font-size: 0.875rem;
        margin-bottom: 0.5rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .card-value {
        font-size: 1.5rem;
    }
    
    .card-subtitle {
        font-size: 0.75rem;
    }
    
    .card-trend {
        position: absolute;
        top: 1rem;
        right: 1rem;
        font-size: 0.875rem;
    }
    
    /* Collapsible card content */
    .card-details {
        margin-top: 0.75rem;
        padding-top: 0.75rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        display: none;
    }
    
    .summary-card.expanded .card-details {
        display: block;
    }
    
    .expand-indicator {
        font-size: 0.75rem;
        color: var(--text-secondary);
        cursor: pointer;
    }
}

/* Mobile Chart Sections */
@media (max-width: 768px) {
    .chart-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .chart-card {
        padding: 1rem;
        min-height: 300px;
    }
    
    .chart-header {
        margin-bottom: 1rem;
    }
    
    .chart-header h2 {
        font-size: 1.125rem;
    }
    
    .chart-controls {
        flex-wrap: wrap;
        gap: 0.5rem;
        margin-bottom: 1rem;
    }
    
    .chart-control-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
    
    /* Make charts scrollable horizontally */
    .chart-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -1rem;
        padding: 0 1rem;
    }
    
    .chart-container canvas,
    .chart-container .chart-wrapper {
        min-width: 300px;
        max-height: 250px;
    }
}

/* Mobile Data Tables */
@media (max-width: 768px) {
    .tools-analysis {
        padding: 1rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        margin-bottom: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.25rem;
    }
    
    .view-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .view-toggle button {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
    
    /* Responsive table wrapper */
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -1rem;
        padding: 0 1rem;
    }
    
    .tools-table {
        min-width: 600px;
        font-size: 0.8125rem;
    }
    
    .tools-table th,
    .tools-table td {
        padding: 0.5rem;
        white-space: nowrap;
    }
    
    /* Alternative card view for tables on mobile */
    .mobile-card-view {
        display: none;
    }
    
    @media (max-width: 480px) {
        .table-wrapper {
            display: none;
        }
        
        .mobile-card-view {
            display: block;
        }
        
        .tool-card-mobile {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 1rem;
            margin-bottom: 0.75rem;
        }
        
        .tool-card-mobile h4 {
            font-size: 1rem;
            margin-bottom: 0.5rem;
        }
        
        .tool-card-mobile .metric-row {
            display: flex;
            justify-content: space-between;
            padding: 0.375rem 0;
            font-size: 0.8125rem;
        }
        
        .tool-card-mobile .metric-label {
            color: var(--text-secondary);
        }
        
        .tool-card-mobile .metric-value {
            font-weight: 600;
        }
    }
}

/* Mobile Slider Controls */
@media (max-width: 768px) {
    .simulation-controls {
        padding: 1rem;
        gap: 1rem;
    }
    
    .control-group {
        width: 100%;
    }
    
    .control-group label {
        font-size: 0.875rem;
        margin-bottom: 0.5rem;
    }
    
    .slider-container {
        padding: 0.5rem 0;
    }
    
    .control-slider {
        width: 100%;
    }
    
    .slider-value {
        font-size: 0.875rem;
        padding: 0.25rem 0.5rem;
    }
    
    .simulation-results {
        flex-direction: column;
        gap: 0.75rem;
        margin-top: 1rem;
    }
    
    .result-item {
        width: 100%;
        text-align: center;
        padding: 0.75rem;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 6px;
    }
}

/* Mobile Comparison Section */
@media (max-width: 768px) {
    .comparison-section {
        padding: 1rem;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .comparison-card {
        padding: 1rem;
    }
    
    .comparison-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        margin-bottom: 1rem;
    }
    
    .tool-badge {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    .comparison-metrics {
        gap: 0.5rem;
    }
    
    .metric-comparison {
        padding: 0.5rem;
        font-size: 0.8125rem;
    }
}

/* Mobile Export Modal */
@media (max-width: 768px) {
    .export-modal {
        padding: 1rem;
    }
    
    .export-modal-content {
        width: 100%;
        max-width: calc(100vw - 2rem);
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .export-options {
        gap: 0.75rem;
    }
    
    .export-option {
        padding: 1rem;
        font-size: 0.875rem;
    }
    
    .export-option input[type="checkbox"] {
        width: 20px;
        height: 20px;
    }
    
    .export-actions {
        flex-direction: column;
        gap: 0.75rem;
        margin-top: 1.5rem;
    }
    
    .export-actions button {
        width: 100%;
        padding: 0.875rem;
        font-size: 0.875rem;
    }
}

/* Mobile Filter Panel */
@media (max-width: 768px) {
    .filters-panel {
        position: fixed;
        top: 0;
        left: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg-elevated);
        z-index: 1100;
        transition: left 0.3s ease;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .filters-panel.active {
        left: 0;
        box-shadow: 2px 0 12px rgba(0, 0, 0, 0.3);
    }
    
    .filters-header {
        position: sticky;
        top: 0;
        background: var(--bg-elevated);
        padding: 1rem;
        border-bottom: 1px solid var(--border);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .filter-section {
        padding: 1rem;
        border-bottom: 1px solid var(--border);
    }
    
    .filter-section h3 {
        font-size: 0.875rem;
        margin-bottom: 0.75rem;
    }
}

/* Mobile Navigation Integration */
@media (max-width: 768px) {
    /* Adjust for mobile navigation height */
    body {
        padding-top: var(--mobile-nav-height, 56px);
        padding-bottom: var(--bottom-bar-height, 60px);
    }
    
    .financial-dashboard {
        min-height: calc(100vh - var(--mobile-nav-height, 56px) - var(--bottom-bar-height, 60px));
    }
}

/* Landscape Optimizations */
@media (max-width: 768px) and (orientation: landscape) {
    .summary-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-card {
        min-height: 250px;
    }
    
    .financial-dashboard {
        padding: 0.75rem;
    }
}

/* Touch Interactions */
@media (max-width: 768px) {
    /* Larger touch targets */
    button,
    a,
    .clickable,
    input[type="checkbox"],
    input[type="radio"] {
        min-height: 44px;
        min-width: 44px;
    }
    
    /* Remove hover effects on touch devices */
    @media (hover: none) {
        .summary-card:hover,
        .chart-card:hover,
        button:hover {
            transform: none;
        }
    }
    
    /* Smooth scrolling */
    * {
        -webkit-overflow-scrolling: touch;
    }
}

/* Performance Optimizations */
@media (max-width: 768px) {
    /* Reduce animation complexity */
    * {
        animation-duration: 0.2s !important;
        transition-duration: 0.2s !important;
    }
    
    /* Optimize shadows */
    .summary-card,
    .chart-card,
    .tool-card-mobile {
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }
    
    /* Lazy loading indicators */
    .chart-loading,
    .table-loading {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 200px;
        color: var(--text-secondary);
    }
}

/* Accessibility Improvements */
@media (max-width: 768px) {
    /* Skip links */
    .skip-link {
        position: absolute;
        top: -40px;
        left: 0;
        background: var(--color-primary);
        color: white;
        padding: 0.5rem 1rem;
        text-decoration: none;
        border-radius: 0 0 4px 0;
    }
    
    .skip-link:focus {
        top: 0;
    }
    
    /* Focus indicators */
    *:focus {
        outline: 2px solid var(--color-primary);
        outline-offset: 2px;
    }
    
    /* Screen reader only */
    .sr-only {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }
}

/* Safe Area Insets */
@supports (padding: max(0px)) {
    @media (max-width: 768px) {
        .financial-dashboard {
            padding-left: max(1rem, env(safe-area-inset-left));
            padding-right: max(1rem, env(safe-area-inset-right));
            padding-bottom: max(1rem, env(safe-area-inset-bottom));
        }
        
        .dashboard-header {
            padding-top: max(1rem, env(safe-area-inset-top));
        }
    }
}