/* Responsive Stylesheet - Minimal Digital Marketplace */

/* Desktop Table vs Mobile Stacked Cards */
.mobile-product-card {
  display: none;
}

@media (max-width: 900px) {
  .filter-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 1000;
  }

  .header-inner {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
  }

  .brand-area {
    min-width: 0;
    flex-shrink: 1;
  }

  .logo-text {
    min-width: 0;
    overflow: hidden;
  }

  .brand-title {
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .brand-tagline {
    font-size: 10px;
    color: var(--text-muted);
    white-space: nowrap;
  }

  .menu-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    font-size: 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    cursor: pointer;
    flex-shrink: 0;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    width: 100%;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    border-bottom: 2px solid var(--accent-primary);
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    box-sizing: border-box;
    gap: 4px;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  .main-nav.show {
    display: flex !important;
  }

  .main-nav > .nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    box-sizing: border-box;
    padding: 12px 10px;
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
  }

  #auth-actions {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    width: 100% !important;
    gap: 4px !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
  }

  #auth-actions .nav-link,
  #auth-actions .wallet-badge,
  #auth-actions .btn {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 10px !important;
    font-size: 14px !important;
    border-bottom: 1px solid var(--border-color) !important;
    border-radius: var(--radius-sm) !important;
    min-height: 44px;
    margin: 0 !important;
    text-align: left !important;
  }

  #auth-actions .wallet-badge {
    background: var(--bg-secondary) !important;
    color: var(--accent-blue) !important;
    font-weight: 700 !important;
    font-family: var(--font-mono) !important;
  }

  #auth-actions #logout-btn {
    justify-content: center !important;
    margin-top: 8px !important;
    background: var(--danger-bg) !important;
    color: var(--danger) !important;
    border: 1px solid rgba(220, 38, 38, 0.2) !important;
    font-weight: 600 !important;
  }

  .filter-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* Transform table into mobile stacked cards */
  .desktop-table-view {
    display: none;
  }

  .mobile-cards-view {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .mobile-product-card {
    display: block;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 14px;
    box-sizing: border-box;
  }

  .mobile-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
  }

  .mobile-card-code {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 13px;
    color: var(--text-main);
  }

  .mobile-card-price {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 14px;
  }

  .mobile-card-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
  }

  .mobile-card-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .mobile-card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--bg-tertiary);
    padding-top: 10px;
    margin-top: 6px;
  }

  .form-col {
    min-width: 100%;
  }

  .pagination {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }

  /* Tables horizontal safety */
  .table-responsive,
  .table-container,
  table {
    max-width: 100%;
    box-sizing: border-box;
  }

  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    display: block;
    width: 100%;
  }
}

/* Small screens 320px to 430px (iPhone SE, iPhone 12/13/14/15/Pro, Pixel, Galaxy) */
@media (max-width: 430px) {
  body {
    font-size: 13px;
  }

  .container {
    padding: 0 12px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .logo-text {
    font-size: 14px;
    gap: 6px;
  }

  .brand-title {
    font-size: 14px;
  }

  .brand-tagline {
    font-size: 9px;
  }

  .brand-mark {
    font-size: 11px;
    padding: 3px 5px;
  }

  .card {
    padding: 12px;
    box-sizing: border-box;
  }

  .btn {
    padding: 8px 12px;
    font-size: 13px;
  }

  .welcome-panel {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px;
  }

  .search-panel {
    padding: 14px 12px;
  }

  .mobile-card-actions .btn {
    width: 100%;
  }

  .modal-overlay {
    padding: 10px !important;
  }

  .modal-dialog {
    max-width: 100% !important;
    margin: 0 !important;
    max-height: 94vh !important;
  }

  .modal-body {
    padding: 14px !important;
  }

  .modal-footer {
    padding: 12px 14px !important;
  }
}

/* Extra small mobile screens <= 360px (Jio, iPhone SE 1st gen, Galaxy Fold) */
@media (max-width: 360px) {
  .container {
    padding: 0 8px !important;
  }
  .card {
    padding: 10px !important;
  }
  .brand-title {
    font-size: 13px !important;
  }
  .btn {
    padding: 8px 10px !important;
    font-size: 12px !important;
  }
  .modal-overlay {
    padding: 6px !important;
  }
  .modal-dialog {
    border-radius: 6px !important;
  }
  .modal-header {
    padding: 10px 12px !important;
  }
  .modal-body {
    padding: 10px 12px !important;
  }
  .modal-footer {
    padding: 10px 12px !important;
  }
}