src/styles/responsive.css

/**
 * Responsive design utilities for asset management module
 * These classes complement Tailwind CSS for specific responsive needs
 */

/* Mobile-first responsive breakpoints */
:root {
  --mobile-breakpoint: 768px;
  --tablet-breakpoint: 1024px;
  --desktop-breakpoint: 1280px;
}

/* Focus management for better accessibility */
.focus-visible-only:focus {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

.focus-visible-only:focus:not(:focus-visible) {
  outline: none;
}

/* Screen reader only content */
.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;
}

/* Skip to content link for keyboard navigation */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  border: 2px solid hsl(var(--ring));
  z-index: 1000;
}

.skip-link:focus {
  top: 6px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .asset-card {
    border-width: 2px;
  }
  
  .badge {
    border-width: 1px;
    border-style: solid;
  }
}

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

/* Mobile-specific styles */
@media (max-width: 767px) {
  /* Ensure touch targets are at least 44px */
  .touch-target {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Mobile table alternatives */
  .mobile-table-card {
    display: block;
    border: 1px solid hsl(var(--border));
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    background: hsl(var(--card));
  }
  
  .mobile-table-card .table-cell {
    display: block;
    padding: 4px 0;
  }
  
  .mobile-table-card .table-cell:not(:last-child) {
    border-bottom: 1px solid hsl(var(--border));
    padding-bottom: 8px;
    margin-bottom: 8px;
  }
  
  /* Mobile form improvements */
  .mobile-form-field {
    margin-bottom: 20px;
  }
  
  .mobile-form-actions {
    position: sticky;
    bottom: 0;
    background: hsl(var(--background));
    padding: 16px;
    border-top: 1px solid hsl(var(--border));
    margin: 0 -16px -16px -16px;
  }
}

/* Tablet-specific styles */
@media (min-width: 768px) and (max-width: 1023px) {
  .tablet-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .tablet-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

/* Desktop-specific styles */
@media (min-width: 1024px) {
  .desktop-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
  }
  
  .desktop-sidebar {
    position: sticky;
    top: 20px;
    height: fit-content;
  }
}

/* Print styles */
@media print {
  .no-print {
    display: none !important;
  }
  
  .print-break-before {
    page-break-before: always;
  }
  
  .print-break-after {
    page-break-after: always;
  }
  
  /* Ensure good contrast in print */
  * {
    color: black !important;
    background: white !important;
  }
  
  .asset-table {
    border-collapse: collapse;
  }
  
  .asset-table th,
  .asset-table td {
    border: 1px solid black;
    padding: 8px;
  }
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
  .dark-mode-border {
    border-color: hsl(var(--border));
  }
  
  .dark-mode-text {
    color: hsl(var(--foreground));
  }
}

/* Animation utilities for better UX */
.fade-in {
  animation: fadeIn 0.2s ease-in-out;
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}

.scale-in {
  animation: scaleIn 0.2s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* Loading states */
.loading-skeleton {
  background: linear-gradient(90deg, 
    hsl(var(--muted)) 25%, 
    hsl(var(--muted-foreground) / 0.1) 50%, 
    hsl(var(--muted)) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Focus indicators for better accessibility */
.focus-ring:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

/* Ensure minimum touch target size on mobile */
@media (max-width: 767px) {
  button,
  [role="button"],
  input[type="button"],
  input[type="submit"],
  input[type="reset"] {
    min-height: 44px;
    min-width: 44px;
  }
}