/**
 * Responsive Styles
 * Mobile-first approach with breakpoints for tablet and desktop
 */

/* ============================================
   Mobile Devices (< 768px)
   ============================================ */

/* Base mobile styles are in graphite.css */

@media (max-width: 767px) {
  /* Typography adjustments - optimized for mobile readability */
  html {
    font-size: 14px;
  }
  
  h1 { 
    font-size: var(--font-size-3xl);
    line-height: 1.2;
  }
  h2 { 
    font-size: var(--font-size-2xl);
    line-height: 1.3;
  }
  h3 { 
    font-size: var(--font-size-xl);
    line-height: 1.4;
  }
  h4 { 
    font-size: var(--font-size-lg);
    line-height: 1.4;
  }
  
  /* Body text optimization */
  body {
    line-height: 1.6;
  }
  
  p {
    margin-bottom: var(--spacing-sm);
  }
  
  /* Container - optimized padding for small screens */
  .container,
  .container-fluid {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }
  
  /* Section spacing - reduced for mobile */
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .section-header {
    margin-bottom: var(--spacing-md);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xs);
  }
  
  .section-subtitle {
    font-size: var(--font-size-sm);
    line-height: 1.5;
  }
  
  /* Grid - force single column on mobile */
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4,
  .grid-cols-6,
  .grid-cols-12 {
    grid-template-columns: 1fr;
  }
  
  .grid {
    gap: var(--spacing-sm);
  }
  
  /* Card - optimized spacing */
  .card {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
  }
  
  .card-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
  }
  
  .card-body {
    padding: 0;
  }
  
  /* Form elements - ensure touch-friendly sizes */
  .form-input,
  .form-select,
  .btn {
    min-height: 48px; /* Enhanced touch target - larger than WCAG minimum */
    font-size: 16px; /* Prevents iOS zoom on focus */
    padding: 0.75rem 1rem;
  }
  
  .form-label {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
    display: block;
    font-weight: 500;
  }
  
  .form-group {
    margin-bottom: var(--spacing-lg);
  }
  
  /* Help text and hints */
  .help-text,
  .form-help {
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: block;
  }
  
  /* Help icon - larger touch target */
  .help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    min-height: 28px;
    margin-left: var(--spacing-xs);
    cursor: help;
  }
  
  /* Button adjustments - full width for better usability */
  .btn {
    padding: 0.875rem 1.5rem;
    width: 100%;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--border-radius-md);
  }
  
  .btn-sm {
    min-height: 44px;
    padding: 0.625rem 1rem;
    font-size: 14px;
  }
  
  .btn-lg {
    min-height: 56px;
    padding: 1.125rem 1.75rem;
    font-size: 18px;
  }
  
  /* Button groups - stack vertically with spacing */
  .download-buttons,
  .upload-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .download-buttons .btn,
  .upload-controls .btn {
    width: 100%;
  }
  
  /* Card footer buttons stack vertically */
  .card-footer {
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
  }
  
  .card-footer .btn {
    width: 100%;
  }
  
  /* File input - enhanced for mobile */
  input[type="file"] {
    padding: var(--spacing-sm);
    font-size: 14px;
    width: 100%;
  }
  
  /* Select dropdown - larger for easier tapping */
  .form-select {
    padding-right: 2.5rem; /* Space for dropdown arrow */
    background-size: 16px;
  }
  
  /* Checkbox and radio - larger touch targets */
  .form-check-input,
  input[type="checkbox"],
  input[type="radio"] {
    min-width: 24px;
    min-height: 24px;
    margin-right: var(--spacing-xs);
  }
  
  .checkbox-label {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: var(--spacing-xs) 0;
    font-size: var(--font-size-base);
  }
  
  /* Tables - responsive scrolling */
  .table-container,
  #link-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 calc(-1 * var(--spacing-md));
    padding: 0 var(--spacing-md);
  }
  
  table {
    font-size: var(--font-size-sm);
    min-width: 100%;
  }
  
  th, td {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  /* Log viewer - optimized for mobile */
  .log-viewer {
    max-height: 300px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 12px;
    line-height: 1.4;
  }
  
  .log-viewer pre {
    white-space: pre-wrap;
    word-break: break-word;
  }
  
  /* Status display - larger and clearer */
  .status-indicator {
    padding: var(--spacing-md);
    font-size: var(--font-size-lg);
  }
  
  .status-text {
    font-weight: 600;
  }
  
  /* Progress bar - more visible */
  .progress-bar {
    height: 8px;
    margin: var(--spacing-md) 0;
  }
  
  /* Navbar - mobile optimized */
  .navbar {
    padding: var(--spacing-sm) 0;
  }
  
  .navbar-brand {
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  
  .brand-title {
    font-size: var(--font-size-xl);
  }
  
  .brand-subtitle {
    font-size: var(--font-size-xs);
  }
  
  .navbar-toggler {
    min-width: 48px;
    min-height: 48px;
    padding: var(--spacing-sm);
  }
  
  .navbar-menu {
    padding: var(--spacing-sm) 0;
  }
  
  .navbar-menu a {
    padding: var(--spacing-md) var(--spacing-lg);
    min-height: 48px;
    display: flex;
    align-items: center;
    font-size: 16px;
  }
  
  /* Page header - mobile optimized */
  .page-header {
    padding: var(--spacing-lg) 0;
    text-align: center;
  }
  
  .page-header h1 {
    font-size: var(--font-size-3xl);
  }
  
  .page-header .subtitle {
    font-size: var(--font-size-base);
  }
  
  /* Lists - better spacing */
  ol, ul {
    padding-left: var(--spacing-lg);
  }
  
  li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
  }
  
  /* Code blocks - mobile friendly */
  code {
    font-size: 13px;
    padding: 2px 6px;
    word-break: break-word;
  }
  
  pre code {
    font-size: 12px;
  }
  
  /* Flex utilities for mobile */
  .flex-mobile-col {
    flex-direction: column;
  }
  
  .flex-mobile-wrap {
    flex-wrap: wrap;
  }
  
  /* Hide on mobile */
  .d-mobile-none {
    display: none !important;
  }
  
  /* Show only on mobile */
  .d-mobile-block {
    display: block !important;
  }
  
  .d-mobile-flex {
    display: flex !important;
  }
  
  /* Text alignment on mobile */
  .text-mobile-center {
    text-align: center;
  }
  
  /* Spacing adjustments */
  .section-content {
    margin-top: var(--spacing-sm);
  }
  
  /* Touch target optimization - ensure all interactive elements meet standards */
  a,
  button,
  .btn,
  .form-check-input,
  .form-file-label,
  .navbar-toggler {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Links - larger tap area */
  a {
    padding: var(--spacing-xs) 0;
    display: inline-block;
  }
  
  /* Error messages - more visible */
  .error-message,
  .auth-message {
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    margin-top: var(--spacing-md);
  }
  
  /* File info display */
  .file-info {
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
    word-break: break-word;
  }
  
  /* Upload area - optimized layout */
  .upload-area {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

/* ============================================
   Tablet Devices (768px - 1023px)
   ============================================ */

@media (min-width: 768px) and (max-width: 1023px) {
  /* Typography - slightly larger than mobile */
  html {
    font-size: 15px;
  }
  
  h1 { 
    font-size: var(--font-size-4xl);
    line-height: 1.2;
  }
  h2 { 
    font-size: var(--font-size-3xl);
    line-height: 1.3;
  }
  h3 { 
    font-size: var(--font-size-2xl);
    line-height: 1.4;
  }
  
  /* Container - optimized for tablet width */
  .container {
    max-width: var(--container-md);
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
  
  /* Grid - 2 columns for most layouts on tablet */
  .grid-cols-3,
  .grid-cols-4,
  .grid-cols-6 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-cols-12 {
    grid-template-columns: repeat(6, 1fr);
  }
  
  .grid {
    gap: var(--spacing-md);
  }
  
  /* Section - balanced spacing */
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .section-header {
    margin-bottom: var(--spacing-xl);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .section-subtitle {
    font-size: var(--font-size-base);
  }
  
  /* Card - more generous padding */
  .card {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
  }
  
  .card-title {
    font-size: var(--font-size-xl);
  }
  
  /* Form elements - comfortable sizing */
  .form-input,
  .form-select {
    min-height: 44px;
    font-size: var(--font-size-base);
    padding: 0.625rem 1rem;
  }
  
  .form-label {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
  }
  
  .form-group {
    margin-bottom: var(--spacing-lg);
  }
  
  /* Buttons - can be inline on tablet */
  .btn {
    min-height: 44px;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
  }
  
  /* Button groups - horizontal layout when space allows */
  .card-footer {
    flex-direction: row;
    gap: var(--spacing-sm);
    justify-content: flex-start;
  }
  
  .card-footer .btn {
    width: auto;
    flex: 0 1 auto;
  }
  
  .download-buttons {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
    flex-wrap: wrap;
  }
  
  .download-buttons .btn {
    flex: 1;
    min-width: 200px;
  }
  
  .upload-controls {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
    align-items: center;
  }
  
  .upload-controls input[type="file"] {
    flex: 1;
  }
  
  .upload-controls .btn {
    flex: 0 0 auto;
    width: auto;
  }
  
  /* Navbar - horizontal layout optimized for tablet */
  .navbar {
    padding: var(--spacing-md) 0;
  }
  
  .navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-md);
  }
  
  .navbar-brand {
    flex: 0 0 auto;
  }
  
  .brand-title {
    font-size: var(--font-size-2xl);
  }
  
  .brand-subtitle {
    font-size: var(--font-size-sm);
  }
  
  .navbar-menu {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-xs);
  }
  
  .navbar-menu a {
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 44px;
    font-size: var(--font-size-base);
  }
  
  /* Hide hamburger menu on tablet */
  .navbar-toggler {
    display: none;
  }
  
  /* Page header */
  .page-header {
    padding: var(--spacing-xl) 0;
  }
  
  .page-header h1 {
    font-size: var(--font-size-4xl);
  }
  
  /* Tables - better spacing */
  table {
    font-size: var(--font-size-base);
  }
  
  th, td {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  /* Log viewer - larger on tablet */
  .log-viewer {
    max-height: 400px;
    font-size: 13px;
  }
  
  /* Status display */
  .status-indicator {
    padding: var(--spacing-lg);
    font-size: var(--font-size-xl);
  }
  
  /* Two-column form layout for related fields */
  .form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  /* Lists - better spacing */
  ol, ul {
    padding-left: var(--spacing-xl);
  }
  
  li {
    margin-bottom: var(--spacing-sm);
  }
  
  /* Hide on tablet */
  .d-tablet-none {
    display: none !important;
  }
  
  /* Show only on tablet */
  .d-tablet-block {
    display: block !important;
  }
  
  .d-tablet-flex {
    display: flex !important;
  }
  
  /* Touch targets still important on tablet */
  .btn,
  .form-input,
  .form-select,
  a,
  button {
    min-height: 44px;
  }
  
  /* Checkbox and radio */
  .form-check-input,
  input[type="checkbox"],
  input[type="radio"] {
    min-width: 20px;
    min-height: 20px;
  }
  
  /* Help icon */
  .help-icon {
    min-width: 24px;
    min-height: 24px;
  }
}

/* ============================================
   Desktop Devices (≥ 1024px)
   ============================================ */

@media (min-width: 1024px) {
  /* Typography - optimal for desktop reading */
  html {
    font-size: 16px;
  }
  
  h1 { 
    font-size: var(--font-size-4xl);
    line-height: 1.2;
  }
  h2 { 
    font-size: var(--font-size-3xl);
    line-height: 1.3;
  }
  h3 { 
    font-size: var(--font-size-2xl);
    line-height: 1.4;
  }
  
  /* Container - optimal width for desktop */
  .container {
    max-width: var(--container-lg);
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
  }
  
  /* Grid - full column support for desktop */
  .grid {
    gap: var(--spacing-lg);
  }
  
  .grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
  
  /* Section - generous spacing */
  .section {
    padding: var(--spacing-3xl) 0;
  }
  
  .section-header {
    margin-bottom: var(--spacing-2xl);
    text-align: center;
  }
  
  .section-title {
    font-size: var(--font-size-4xl);
  }
  
  .section-subtitle {
    font-size: var(--font-size-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
  }
  
  /* Card - enhanced with hover effects */
  .card {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  }
  
  .card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
  }
  
  .card-title {
    font-size: var(--font-size-2xl);
  }
  
  /* Form elements - comfortable desktop sizing */
  .form-input,
  .form-select {
    min-height: 44px;
    font-size: var(--font-size-base);
    padding: 0.625rem 1rem;
  }
  
  .form-label {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
  }
  
  .form-group {
    margin-bottom: var(--spacing-xl);
  }
  
  /* Multi-column form layout for desktop */
  .form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .form-row-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }
  
  /* Buttons - inline layout with auto width */
  .btn {
    min-height: 44px;
    padding: 0.75rem 2rem;
    font-size: var(--font-size-base);
    width: auto;
    transition: all var(--transition-fast);
  }
  
  .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }
  
  .btn-sm {
    min-height: 36px;
    padding: 0.5rem 1.25rem;
    font-size: var(--font-size-sm);
  }
  
  .btn-lg {
    min-height: 52px;
    padding: 1rem 2.5rem;
    font-size: var(--font-size-lg);
  }
  
  /* Button groups - horizontal with spacing */
  .card-footer {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
    justify-content: flex-start;
    padding-top: var(--spacing-lg);
  }
  
  .card-footer .btn {
    flex: 0 1 auto;
  }
  
  .download-buttons {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-lg);
  }
  
  .download-buttons .btn {
    flex: 1;
    max-width: 300px;
  }
  
  .upload-controls {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
    align-items: flex-end;
  }
  
  .upload-controls input[type="file"] {
    flex: 1;
  }
  
  .upload-controls .btn {
    flex: 0 0 auto;
  }
  
  /* Navbar - full horizontal layout */
  .navbar {
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
  }
  
  .navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-lg);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
  }
  
  .navbar-brand {
    flex: 0 0 auto;
  }
  
  .brand-title {
    font-size: var(--font-size-2xl);
  }
  
  .brand-subtitle {
    font-size: var(--font-size-base);
  }
  
  .navbar-menu {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-sm);
    align-items: center;
  }
  
  .navbar-menu a {
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: auto;
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
  }
  
  .navbar-menu a:hover {
    transform: translateY(-2px);
  }
  
  .navbar-toggler {
    display: none;
  }
  
  /* Page header - prominent on desktop */
  .page-header {
    padding: var(--spacing-3xl) 0;
    text-align: center;
  }
  
  .page-header h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
  }
  
  .page-header .subtitle {
    font-size: var(--font-size-xl);
  }
  
  /* Tables - full featured */
  table {
    font-size: var(--font-size-base);
    width: 100%;
  }
  
  th, td {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  /* Log viewer - larger on desktop */
  .log-viewer {
    max-height: 500px;
    font-size: 14px;
    line-height: 1.5;
  }
  
  /* Status display - prominent */
  .status-indicator {
    padding: var(--spacing-xl);
    font-size: var(--font-size-2xl);
  }
  
  .status-message {
    font-size: var(--font-size-lg);
  }
  
  /* Progress bar */
  .progress-bar {
    height: 10px;
    margin: var(--spacing-lg) 0;
  }
  
  /* Lists - comfortable spacing */
  ol, ul {
    padding-left: var(--spacing-2xl);
  }
  
  li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
  }
  
  /* Code blocks */
  code {
    font-size: 14px;
    padding: 3px 8px;
  }
  
  pre code {
    font-size: 14px;
  }
  
  /* Two-column content layout for certain sections */
  .content-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
  }
  
  /* Sidebar layout option */
  .layout-sidebar {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-2xl);
  }
  
  /* Hide on desktop */
  .d-desktop-none {
    display: none !important;
  }
  
  /* Show only on desktop */
  .d-desktop-block {
    display: block !important;
  }
  
  .d-desktop-flex {
    display: flex !important;
  }
  
  /* Reduced touch target requirements on desktop */
  .btn {
    min-height: 40px;
  }
  
  .btn-sm {
    min-height: 32px;
  }
  
  /* Checkbox and radio - standard size */
  .form-check-input,
  input[type="checkbox"],
  input[type="radio"] {
    min-width: 18px;
    min-height: 18px;
  }
  
  /* Help icon - smaller on desktop */
  .help-icon {
    min-width: 20px;
    min-height: 20px;
  }
  
  /* Error messages */
  .error-message,
  .auth-message {
    padding: var(--spacing-lg);
    font-size: var(--font-size-base);
  }
  
  /* File info */
  .file-info {
    font-size: var(--font-size-base);
    margin-top: var(--spacing-md);
  }
}

/* ============================================
   Wide Desktop (≥ 1200px)
   ============================================ */

@media (min-width: 1200px) {
  /* Container - wider for large screens */
  .container {
    max-width: var(--container-xl);
  }
  
  /* Typography - larger for better readability on big screens */
  .section-title {
    font-size: var(--font-size-4xl);
  }
  
  .section-subtitle {
    font-size: var(--font-size-xl);
  }
  
  .page-header h1 {
    font-size: 3.5rem;
  }
  
  /* Larger spacing for visual breathing room */
  .section {
    padding: 4rem 0;
  }
  
  .section-header {
    margin-bottom: 3rem;
  }
  
  .grid {
    gap: var(--spacing-xl);
  }
  
  /* Card - more generous padding */
  .card {
    padding: 2.5rem;
  }
  
  /* Form elements - larger for comfort */
  .form-input,
  .form-select {
    font-size: var(--font-size-lg);
    padding: 0.75rem 1.25rem;
  }
  
  .form-label {
    font-size: var(--font-size-lg);
  }
  
  /* Buttons - larger */
  .btn {
    padding: 0.875rem 2.5rem;
    font-size: var(--font-size-lg);
  }
  
  /* Multi-column layouts */
  .grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
  
  /* Content can be wider */
  .section-content {
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
  }
  
  /* Log viewer - even larger */
  .log-viewer {
    max-height: 600px;
    font-size: 15px;
  }
  
  /* Status display */
  .status-indicator {
    font-size: var(--font-size-3xl);
  }
}

/* ============================================
   Extra Wide Desktop (≥ 1400px)
   ============================================ */

@media (min-width: 1400px) {
  .container {
    max-width: var(--container-2xl);
  }
}

/* ============================================
   Landscape Orientation (Mobile)
   ============================================ */

@media (max-width: 767px) and (orientation: landscape) {
  /* Reduce vertical spacing in landscape to maximize content visibility */
  .section {
    padding: var(--spacing-md) 0;
  }
  
  .section-header {
    margin-bottom: var(--spacing-sm);
  }
  
  .section-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
  }
  
  .section-subtitle {
    font-size: var(--font-size-sm);
  }
  
  /* Adjust heights for landscape - slightly smaller but still accessible */
  .form-input,
  .form-select,
  .btn {
    min-height: 44px;
    padding: 0.625rem 1rem;
  }
  
  /* Navbar - more compact */
  .navbar {
    padding: var(--spacing-xs) 0;
  }
  
  .brand-title {
    font-size: var(--font-size-lg);
  }
  
  .brand-subtitle {
    display: none; /* Hide subtitle in landscape to save space */
  }
  
  /* Card - reduced padding */
  .card {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  /* Log viewer - taller in landscape */
  .log-viewer {
    max-height: 200px;
  }
  
  /* Page header - more compact */
  .page-header {
    padding: var(--spacing-md) 0;
  }
  
  .page-header h1 {
    font-size: var(--font-size-2xl);
  }
  
  /* Form groups - tighter spacing */
  .form-group {
    margin-bottom: var(--spacing-md);
  }
  
  /* Button groups - can be horizontal in landscape if space allows */
  .download-buttons {
    flex-direction: row;
    flex-wrap: wrap;
  }
  
  .download-buttons .btn {
    flex: 1;
    min-width: 200px;
  }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
  /* Remove shadows and transitions for print */
  *,
  *::before,
  *::after {
    box-shadow: none !important;
    transition: none !important;
    animation: none !important;
  }
  
  /* Ensure good contrast for print */
  body {
    background: white;
    color: black;
  }
  
  /* Hide interactive elements */
  .btn,
  .navbar,
  .form-input,
  .form-select {
    display: none;
  }
  
  /* Expand cards for print */
  .card {
    border: 1px solid #000;
    page-break-inside: avoid;
  }
  
  /* Show links */
  a[href]::after {
    content: " (" attr(href) ")";
  }
}

/* ============================================
   Reduced Motion Support
   ============================================ */

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

/* ============================================
   High Contrast Mode Support
   ============================================ */

@media (prefers-contrast: high) {
  /* Increase border visibility */
  .card,
  .form-input,
  .form-select,
  .btn {
    border-width: 2px;
  }
  
  /* Ensure focus indicators are visible */
  *:focus {
    outline: 3px solid currentColor;
    outline-offset: 3px;
  }
}

/* ============================================
   Touch Device Optimizations
   ============================================ */

@media (hover: none) and (pointer: coarse) {
  /* Ensure all interactive elements meet touch target size */
  a,
  button,
  .btn,
  .form-input,
  .form-select,
  .form-check-input,
  .navbar-menu a {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Remove hover effects on touch devices */
  .card:hover {
    transform: none;
  }
  
  .btn:hover {
    transform: none;
  }
  
  /* Increase tap area for small elements */
  .form-check-input {
    width: 24px;
    height: 24px;
  }
}

/* ============================================
   Utility Classes for Responsive Design
   ============================================ */

/* Responsive display utilities */
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
  .show-mobile { display: block !important; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hide-tablet { display: none !important; }
  .show-tablet { display: block !important; }
}

@media (min-width: 1024px) {
  .hide-desktop { display: none !important; }
  .show-desktop { display: block !important; }
}

/* Responsive text alignment */
@media (max-width: 767px) {
  .text-mobile-left { text-align: left !important; }
  .text-mobile-center { text-align: center !important; }
  .text-mobile-right { text-align: right !important; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .text-tablet-left { text-align: left !important; }
  .text-tablet-center { text-align: center !important; }
  .text-tablet-right { text-align: right !important; }
}

@media (min-width: 1024px) {
  .text-desktop-left { text-align: left !important; }
  .text-desktop-center { text-align: center !important; }
  .text-desktop-right { text-align: right !important; }
}

/* Responsive spacing */
@media (max-width: 767px) {
  .mt-mobile-0 { margin-top: 0 !important; }
  .mb-mobile-0 { margin-bottom: 0 !important; }
  .pt-mobile-0 { padding-top: 0 !important; }
  .pb-mobile-0 { padding-bottom: 0 !important; }
}