/* Responsive Design for Digital Cards */

/* Large screens */
@media (min-width: 1200px) {
  .multi-view {
    padding: 0 !important;
    padding-left: 0 !important;
  }
  
  .cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    width: 100%;
    max-width: 100vw;
    margin: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding: 1rem 2rem 2rem 2rem;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .single-card-container {
    max-width: 450px;
  }
  
  .current-card-slot {
    max-width: 450px;
    min-height: 600px;
  }
}

/* Medium screens */
@media (min-width: 768px) and (max-width: 1199px) {
  .header-content {
    padding: 1rem 1.5rem;
  }
  
  .multi-view {
    padding: 0 !important;
    padding-left: 0 !important;
  }
  
  .cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    width: 100%;
    max-width: 100vw;
    margin: 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    padding: 1rem 1.5rem 2rem 1.5rem;
    box-sizing: border-box;
    overflow-x: hidden;
  }
  
  .navigation-controls {
    flex-direction: row;
    gap: 1.5rem;
  }
}

/* Small screens */
@media (max-width: 767px) {
  .digital-cards-app {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  }
  
  .app-header {
    position: relative;
    top: auto;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  }
  
  .header-content {
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
  }
  
  .header-content h1 {
    font-size: 1.5rem;
    text-align: center;
  }
  
  .header-controls {
    flex-direction: column;
    width: 100%;
    gap: 1rem;
  }
  
  .view-controls {
    width: 100%;
    justify-content: center;
  }
  
  .view-btn {
    flex: 1;
    justify-content: center;
    padding: 0.75rem 1rem;
  }
  
  .action-controls {
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }
  
  .action-btn {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1rem;
  }
  
  .selection-controls {
    flex-direction: column;
    gap: 0.5rem;
    align-items: stretch;
  }
  
  .selection-counter {
    text-align: center;
    min-width: auto;
  }
  
  .filter-btn, .clear-btn {
    width: 100%;
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }
  
  /* Single view mobile optimizations */
  .single-view {
    padding: 1rem;
    justify-content: center;
    padding-top: 1rem;
  }
  
  .single-card-container {
    gap: 1.5rem;
    width: 100%;
  }
  
  .current-card-slot {
    min-height: 400px;
    max-width: 100%;
  }
  
  .navigation-controls {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }
  
  .nav-btn {
    width: 100%;
    max-width: none;
    padding: 1rem;
    font-size: 1.1rem;
  }
  
  .card-counter {
    font-size: 1.2rem;
    padding: 0.5rem 0;
  }
  
  /* Multi view mobile optimizations */
  .multi-view {
    padding: 0 !important;
    padding-left: 0 !important;
  }
  
  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.75rem !important; /* equal row/column gap */
    padding: 0 1rem 2rem 1rem !important;
    margin: 0 !important; /* remove top gap under sub-nav on mobile */
    margin-left: 0 !important;
    margin-right: 0 !important;
    width: 100% !important;
    max-width: none !important;
    box-sizing: border-box !important;
  }
  
  /* Card component mobile adjustments */
  .digital-card {
    margin: 0 !important; /* no extra vertical margin beyond grid gap */
  }
  
  .card-info {
    padding: 1.5rem 1rem 1rem;
  }
  
  .card-title {
    font-size: 1.1rem;
  }
  
  .card-flip-hint {
    font-size: 0.8rem;
  }
}

/* Extra small screens */
@media (max-width: 480px) {
  .header-content {
    padding: 0.75rem;
  }
  
  .header-content h1 {
    font-size: 1.3rem;
  }
  
  .view-btn {
    padding: 0.6rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .view-icon {
    font-size: 0.9rem;
  }
  
  .action-btn {
    padding: 0.6rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .action-icon {
    font-size: 0.9rem;
  }
  
  .single-view {
    padding: 0.75rem;
    justify-content: center;
  }
  
  .current-card-slot {
    min-height: 350px;
  }
  
  .nav-btn {
    padding: 0.8rem;
    font-size: 1rem;
  }
  
  .nav-icon {
    font-size: 1.1rem;
  }
  
  .multi-view {
    padding: 0.75rem;
  }
  
  .cards-grid {
    gap: 0.75rem !important; /* equal row/column gap */
  }
}

/* Landscape orientation on mobile */
@media (max-width: 767px) and (orientation: landscape) {
  .single-view {
    flex-direction: row;
    align-items: center;
    padding: 1rem;
  }
  
  .single-card-container {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    max-width: 100%;
  }
  
  .current-card-slot {
    flex: 0 0 auto;
    max-width: 300px;
    min-height: 300px;
  }
  
  .navigation-controls {
    flex-direction: column;
    gap: 1rem;
    flex: 0 0 auto;
  }
  
  .nav-btn {
    width: 150px;
    padding: 0.8rem 1rem;
  }
  
  .cards-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 0.75rem !important; /* equal row/column gap */
    padding: 0 1rem 2rem 1rem !important;
    margin: 1rem 0 0 0 !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    width: 100% !important;
    max-width: none !important;
    box-sizing: border-box !important;
  }
}

/* Print styles */
@media print {
  .app-header,
  .navigation-controls,
  .card-selection-indicator {
    display: none !important;
  }
  
  .digital-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
  
  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
  .card-base-media,
  .card-overlay {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .digital-card,
  .card-flip-container,
  .view-container,
  .card-selection-indicator {
    transition: none;
  }
  
  .loading-spinner {
    animation: none;
  }
  
  .card-flip-container {
    transition: transform 0.2s ease;
  }
}