ui/styles/responsive.css

/* ui/styles/responsive.css - Mobile-First Responsive Utilities */

/* Mobile-first: default styles are for mobile */
.container {
  padding: 0 var(--spacing-4);
}

/* Hide/show utilities for different screen sizes */
.mobile-only {
  display: block;
}

.tablet-only {
  display: none;
}

.desktop-only {
  display: none;
}

/* Responsive grid columns */
.grid-2, .grid-3, .grid-4 {
  grid-template-columns: 1fr;
}

/* Responsive typography */
.text-responsive {
  font-size: 0.875rem;
}

/* Responsive spacing */
.responsive-padding {
  padding: var(--spacing-4);
}

/* Tablet styles (≥ 768px) */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-6);
  }
  
  .mobile-only {
    display: none;
  }
  
  .tablet-only {
    display: block;
  }
  
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .text-responsive {
    font-size: 1rem;
  }
  
  .responsive-padding {
    padding: var(--spacing-6);
  }
}

/* Desktop styles (≥ 1024px) */
@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-8);
  }
  
  .tablet-only {
    display: none;
  }
  
  .desktop-only {
    display: block;
  }
  
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .text-responsive {
    font-size: 1.125rem;
  }
  
  .responsive-padding {
    padding: var(--spacing-8);
  }
}

/* Large desktop (≥ 1280px) */
@media (min-width: 1280px) {
  .text-responsive {
    font-size: 1.25rem;
  }
}

/* Ultra-wide screens (≥ 1536px) */
@media (min-width: 1536px) {
  .container {
    max-width: 1400px;
  }
}

/* Touch-friendly styles for mobile */
@media (hover: none) and (pointer: coarse) {
  .btn, button, [role="button"] {
    min-height: 44px;
    min-width: 44px;
  }
  
  input, select, textarea {
    font-size: 16px; /* Prevents iOS zoom on focus */
  }
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
  .card {
    border: 2px solid var(--color-text);
  }
  
  .btn {
    border: 2px solid currentColor;
  }
}

/* Print styles */
@media print {
  .no-print {
    display: none !important;
  }
  
  .card {
    border: 1px solid #000;
    box-shadow: none;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
}