/* ===================================================================
   RESPONSIVE — Tablet (768px) and Mobile (375px)
   =================================================================== */

/* ===== Tablet ===== */
@media (max-width: 1024px) {
  .overview-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .profile-grid {
    grid-template-columns: 1fr 280px;
  }
}

/* Table → card layout for narrow desktop / large tablet */
@media (max-width: 930px) {
  .desktop-table {
    display: none;
  }

  .mobile-cards {
    display: block;
  }

  .mobile-sort-bar {
    display: flex;
  }

  .mobile-select-all {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
  }

  /* Bulk bar — sticky bottom for card layout */
  .bulk-bar {
    position: sticky;
    bottom: 0;
    z-index: 90;
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    padding: var(--space-md) var(--space-lg);
    margin-top: 15px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
  }

  @keyframes bulkBarSlideUp {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
  }

  @keyframes bulkBarSlideDown {
    from { transform: translateY(0);    opacity: 1; }
    to   { transform: translateY(100%); opacity: 0; }
  }

  .bulk-bar.bulk-bar-enter {
    animation: bulkBarSlideUp 0.35s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }

  .bulk-bar.bulk-bar-exit {
    animation: bulkBarSlideDown 0.25s cubic-bezier(0.55, 0, 1, 0.45) forwards;
  }

  .bulk-bar-actions {
    margin-left: 0;
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }

  .page-header {
    padding: var(--space-lg) 0;
    text-align: center;
  }

  h1 {
    font-size: 1.375rem;
  }

  /* Toolbar stacks */
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-wrapper {
    max-width: 100%;
  }

  .filter-wrapper {
    width: 100%;
  }

  .filter-trigger {
    width: 100%;
    justify-content: center;
  }

  /* Summary chips scroll */
  .summary-chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-sm);
    gap: var(--space-sm);
  }

  .summary-chip {
    flex-shrink: 0;
  }

  /* Filter becomes bottom sheet */
  .filter-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    z-index: 100;
    max-height: 70vh;
    overflow-y: auto;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    box-shadow: var(--shadow-lg);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
  }

  .filter-panel.open {
    display: block;
    transform: translateY(0);
  }

  .filter-overlay.visible {
    display: block;
  }

  /* Profile page */
  .profile-grid {
    grid-template-columns: 1fr;
  }

  .profile-sidebar {
    position: static;
  }

  .back-link-sidebar {
    display: none;
  }

  .back-link-bottom {
    display: flex;
  }

  .profile-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .profile-header-meta {
    justify-content: center;
  }

  .overview-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  /* Pagination */
  .pagination {
    flex-wrap: wrap;
  }

}

/* ===== Small Mobile — 2×2 summary chip grid ===== */
@media (max-width: 455px) {
  .summary-chips {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-items: center;
    gap: var(--space-sm);
    overflow-x: visible;
  }

  .summary-chip {
    width: 100%;
    justify-content: center;
  }
}

/* ===== Mobile (375px) ===== */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .page-header {
    padding: var(--space-md) 0;
  }

  h1 {
    font-size: 1.25rem;
  }

  .overview-cards {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .overview-card {
    padding: var(--space-sm);
  }

  .overview-card .card-label {
    font-size: 0.6875rem;
  }

  .overview-card .card-value {
    font-size: 0.875rem;
  }

  .profile-header {
    padding: var(--space-md);
  }

  .profile-section {
    padding: var(--space-md);
  }

  .ai-card {
    padding: var(--space-md);
  }

  .ai-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .decision-actions .btn {
    font-size: 0.9375rem;
    padding: var(--space-md);
  }
}