/* SempreID Platform - Responsive Styles */
/* Desktop First Approach */

/* Tablet: 768px - 1023px */
@media (max-width: 1023px) {
  /* Container */
  .container {
    padding: 0 var(--spacing-md);
  }
  
  /* Typography */
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  /* Grid adjustments */
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Two column to single column */
  .content-with-sidebar {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: static;
    margin-top: var(--spacing-xl);
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Cards */
  .cards-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  /* NFT Display */
  .nft-image {
    max-width: 250px;
  }
}

/* Mobile: 320px - 767px */
@media (max-width: 767px) {
  /* Typography */
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.25rem;
  }
  
  /* Header */
  .header-content {
    position: relative;
  }
  
  .logo img {
    height: 32px;
  }
  
  .logo span {
    font-size: 1.125rem;
  }
  
  /* Mobile Navigation */
  .main-nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--grey-200);
    box-shadow: var(--shadow-md);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 999;
  }
  
  .main-nav.active {
    transform: translateX(0);
  }
  
  .main-nav a {
    width: 100%;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--grey-100);
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .connect-wallet {
    display: none;
  }
  
  .main-nav .connect-wallet-mobile {
    display: block;
    width: 100%;
    margin-top: var(--spacing-md);
  }
  
  /* Grid adjustments */
  .grid-2,
  .grid-3,
  .grid-4,
  .two-column {
    grid-template-columns: 1fr;
  }
  
  /* Section spacing */
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .section-lg {
    padding: var(--spacing-xxl) 0;
  }
  
  /* Cards */
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .card {
    padding: var(--spacing-md);
  }
  
  /* Buttons */
  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
  }
  
  .btn-large {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
  }
  
  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-section {
    margin-bottom: var(--spacing-lg);
  }
  
  /* Forms */
  .form-group {
    margin-bottom: var(--spacing-md);
  }
  
  /* Modal */
  .modal {
    width: 95%;
    max-width: none;
  }
  
  .modal-body {
    padding: var(--spacing-md);
  }
  
  /* NFT Display */
  .nft-card {
    padding: var(--spacing-md);
  }
  
  .nft-image {
    max-width: 100%;
  }
  
  /* Tabs */
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .tab {
    white-space: nowrap;
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  /* Wallet status */
  .wallet-address {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  
  /* Utility adjustments */
  .mt-mobile-sm { margin-top: var(--spacing-sm); }
  .mt-mobile-md { margin-top: var(--spacing-md); }
  .mb-mobile-sm { margin-bottom: var(--spacing-sm); }
  .mb-mobile-md { margin-bottom: var(--spacing-md); }
  
  .hide-mobile {
    display: none;
  }
  
  .show-mobile {
    display: block;
  }
}

/* Small Mobile: 320px - 374px */
@media (max-width: 374px) {
  /* Typography */
  h1 {
    font-size: 1.5rem;
  }
  
  h2 {
    font-size: 1.25rem;
  }
  
  body {
    font-size: 0.875rem;
  }
  
  /* Header */
  .logo span {
    display: none;
  }
  
  /* Buttons */
  .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
  }
  
  /* Container */
  .container {
    padding: 0 var(--spacing-sm);
  }
}

/* Large Desktop: 1440px+ */
@media (min-width: 1440px) {
  .container {
    max-width: 1320px;
  }
  
  /* Typography */
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.25rem;
  }
  
  /* Grid adjustments */
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Print Styles */
@media print {
  .site-header,
  .site-footer,
  .btn,
  .mobile-menu-toggle {
    display: none;
  }
  
  .main-content {
    padding: 0;
  }
  
  * {
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  a {
    text-decoration: underline;
  }
  
  .card {
    border: 1px solid #000;
    page-break-inside: avoid;
  }
}

/* Hover effects only for non-touch devices */
@media (hover: hover) {
  .card:hover {
    transform: translateY(-2px);
  }
  
  .btn:hover {
    transform: translateY(-1px);
  }
}

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

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
  /* Dark mode styles can be added here when implemented */
}