/* ============================================
   TRADEDESK — Responsive Styles
   Tablet + Mobile breakpoints
   ============================================ */

/* ── Tablet (< 1024px) ── */
@media (max-width: 1024px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-areas:
      "header"
      "main";
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    transform: translateX(-100%);
    transition: transform var(--duration-deliberate) var(--ease-spring);
    z-index: var(--z-drawer);
    width: var(--sidebar-width);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.open {
    display: block;
  }

  .sidebar-toggle {
    display: flex;
  }

  .main-content {
    padding: var(--space-5) var(--space-5);
  }

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

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

  .trade-form-container {
    grid-template-columns: 1fr;
  }

  .trade-sidebar {
    position: static;
  }

  .analytics-charts-grid {
    grid-template-columns: 1fr;
  }

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

  .allocation-container {
    grid-template-columns: 1fr;
  }

  .allocation-chart {
    justify-content: center;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── Mobile (< 768px) ── */
@media (max-width: 768px) {
  :root {
    --header-height: 52px;
  }

  .header {
    padding: 0 var(--space-4);
    gap: var(--space-2);
  }

  .header-search {
    max-width: none;
  }

  .header-search-shortcut {
    display: none;
  }

  .header-account-selector {
    display: none;
  }

  .main-content {
    padding: var(--space-4);
    padding-bottom: calc(var(--space-16) + 20px);
  }

  .bottom-nav {
    display: block;
  }

  .page-title {
    font-size: 22px;
  }

  .page-header-row {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }

  .page-actions {
    overflow-x: auto;
    padding-bottom: var(--space-1);
  }

  /* Dashboard */
  .dashboard-greeting-text {
    font-size: 28px;
  }

  .dashboard-kpi-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }

  .stat-card-value {
    font-size: 22px;
  }

  .chart-area {
    height: 220px;
  }

  /* Table Responsive Priority (Section 46 & 47) */
  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .table {
    min-width: 680px;
  }

  /* Compact header on mobile */
  .header-quick-actions {
    display: none;
  }

  .header-search {
    width: auto;
    flex: 1;
  }
  .form-row {
    grid-template-columns: 1fr;
  }

  .trade-form-container {
    grid-template-columns: 1fr;
  }

  /* Accounts */
  .account-cards-grid {
    grid-template-columns: 1fr;
  }

  .account-card-stats {
    grid-template-columns: 1fr;
  }

  /* Analytics */
  .analytics-kpi-grid {
    grid-template-columns: 1fr;
  }

  /* Reports */
  .report-cards-grid {
    grid-template-columns: 1fr;
  }

  /* Filter */
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-search {
    min-width: auto;
  }

  /* Quick actions */
  .quick-actions {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-1);
    -webkit-overflow-scrolling: touch;
  }

  .quick-action-btn {
    flex-shrink: 0;
  }

  /* Modal */
  .modal-backdrop {
    padding: var(--space-4);
    align-items: flex-end;
  }

  .modal {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    max-height: 92vh;
  }

  /* Drawer */
  .drawer {
    width: 100vw;
  }

  /* Toast */
  .toast-container {
    left: var(--space-4);
    right: var(--space-4);
    bottom: calc(60px + var(--space-4));
  }

  .toast {
    max-width: none;
  }

  /* Notification dropdown */
  .notification-dropdown {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    width: auto;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }

  /* Tabs */
  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

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

  /* Settings */
  .settings-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }
}

/* ── Small Mobile (< 480px) ── */
@media (max-width: 480px) {
  .main-content {
    padding: var(--space-3);
    padding-bottom: calc(var(--space-16) + 20px);
  }

  .dashboard-kpi-grid {
    grid-template-columns: 1fr;
  }

  .stat-card {
    padding: var(--space-4);
  }

  .stat-card-value {
    font-size: 20px;
  }

  .card {
    padding: var(--space-4);
  }

  .modal-body,
  .modal-header,
  .modal-footer {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .drawer-header,
  .drawer-body,
  .drawer-footer {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}

/* ── Print ── */
@media print {
  .sidebar,
  .header,
  .bottom-nav,
  .toast-container,
  .modal-backdrop,
  .drawer-backdrop {
    display: none !important;
  }

  .app {
    display: block;
  }

  .main-content {
    padding: 0;
    max-width: none;
  }

  .card,
  .stat-card,
  .table-container {
    break-inside: avoid;
  }
}