@media (max-width: 767px) {
  body {
    background: var(--surface-base);
    padding-bottom: calc(76px + env(safe-area-inset-bottom));
  }

  body.scroll-locked {
    padding-bottom: 0;
  }

  .app-container {
    width: 100%;
    padding: 10px 12px calc(24px + env(safe-area-inset-bottom));
    gap: 12px;
  }

  .dashboard-header {
    gap: 12px;
    padding: 14px;
    border-radius: 18px;
    background: var(--surface-primary);
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .dashboard-header .logo-area {
    min-width: 0;
  }

  .dashboard-header .logo-icon {
    width: 36px;
    height: 36px;
  }

  .dashboard-header .title-text h1 {
    font-size: 17px;
  }

  .dashboard-header .header-actions {
    gap: 8px;
  }

  .dashboard-header .header-actions .icon-btn {
    width: 44px;
    min-width: 44px;
    height: 44px;
    padding: 0 !important;
    font-size: 0;
  }

  .dashboard-header .header-actions .icon-btn svg {
    width: 18px;
    height: 18px;
  }

  .dashboard-header .data-freshness-panel {
    padding: 10px 12px;
    border-radius: 14px;
    background: #17171a;
  }

  .dashboard-header .data-freshness-meta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3px;
    font-size: 11px;
  }

  .dashboard-tabs {
    display: none !important;
  }

  .mobile-tab-bar {
    position: fixed;
    right: 8px;
    bottom: 8px;
    left: 8px;
    z-index: var(--z-tabbar);
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    min-height: 62px;
    padding: 5px 5px calc(5px + env(safe-area-inset-bottom));
    border: 1px solid var(--separator-strong);
    border-radius: 20px;
    background: rgba(36, 36, 38, 0.9);
    box-shadow: 0 14px 42px rgba(0, 0, 0, 0.45), inset 0 1px rgba(255, 255, 255, 0.06);
    backdrop-filter: saturate(150%) blur(28px);
    -webkit-backdrop-filter: saturate(150%) blur(28px);
  }

  .mobile-tab-button {
    position: relative;
    display: grid;
    place-items: center;
    align-content: center;
    gap: 2px;
    min-width: 0;
    min-height: 50px;
    border-radius: 15px;
    background: transparent;
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 560;
    transition:
      color var(--motion-view) var(--ease-standard),
      transform var(--motion-fast) var(--ease-standard);
  }

  .mobile-tab-button svg {
    width: 22px;
    height: 22px;
    stroke-width: 1.8;
  }

  .mobile-tab-button.active {
    color: var(--accent);
  }

  .mobile-tab-button.active::before {
    position: absolute;
    top: 3px;
    width: 34px;
    height: 28px;
    border-radius: 11px;
    background: rgba(10, 132, 255, 0.13);
    content: "";
    z-index: -1;
  }

  .dashboard-view-status {
    margin-bottom: 0;
  }

  .dashboard-main {
    gap: 12px;
  }

  .glass-card,
  .metric-card,
  .portfolio-trend-card,
  .portfolio-pnl-analysis-card,
  .rebalance-panel {
    padding: 16px !important;
    border-radius: 16px !important;
  }

  .section-header-row,
  .section-toolbar,
  .portfolio-trend-header,
  .portfolio-pnl-header,
  .rebalance-panel-header,
  .backtest-logs-header {
    align-items: flex-start !important;
    flex-direction: column;
    gap: 12px;
  }

  .toolbar-actions,
  .console-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    gap: 8px;
  }

  .toolbar-actions > *,
  .console-actions > * {
    width: 100%;
    min-height: 44px;
  }

  input,
  select,
  textarea,
  .form-group input,
  .form-group select,
  .form-group textarea {
    min-height: 46px;
    font-size: 16px !important;
  }

  .action-btn,
  .icon-btn,
  .filter-btn,
  .nav-btn {
    min-height: 44px !important;
  }

  .modal-overlay {
    align-items: end !important;
    padding: 0 !important;
  }

  .modal-content,
  .modal-content-trade,
  .modal-content-price-action,
  .modal-content-ibkr,
  .modal-content-dialog,
  .modal-content-wide,
  .modal-content-pa-setup,
  .auth-card {
    width: 100% !important;
    max-width: none !important;
    max-height: min(92dvh, 920px) !important;
    margin: 0 !important;
    padding: 0 16px calc(12px + env(safe-area-inset-bottom)) !important;
    overflow-y: auto !important;
    border-right: 0 !important;
    border-bottom: 0 !important;
    border-left: 0 !important;
    border-radius: var(--radius-sheet) var(--radius-sheet) 0 0 !important;
    background: rgba(36, 36, 38, 0.98) !important;
  }

  .modal-overlay.show .modal-content,
  .modal-overlay.show .auth-card {
    animation: astraea-mobile-sheet-enter var(--motion-sheet) var(--ease-spring) both !important;
  }

  @keyframes astraea-mobile-sheet-enter {
    from {
      opacity: 0.7;
      transform: translate3d(0, 100%, 0);
    }
    to {
      opacity: 1;
      transform: translate3d(0, 0, 0);
    }
  }

  .modal-header {
    margin: 0 -16px 14px;
    padding: 10px 16px;
  }

  .settings-actions,
  .modal-content-trade .form-actions,
  .modal-content-price-action .settings-actions {
    margin-right: -16px;
    margin-left: -16px;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  }

  .settings-actions .action-btn,
  .modal-content-trade .form-actions .action-btn,
  .modal-content-price-action .settings-actions .action-btn {
    width: 100%;
    min-height: 48px !important;
  }

  #live-monitor-view .macro-radar-grid,
  #live-monitor-view .metrics-grid,
  #signals-view .holding-summary-grid,
  #signals-view .portfolio-analysis-row,
  #signals-view .portfolio-insight-row,
  #price-action-view .journal-stats-grid,
  #price-action-view .journal-charts-grid,
  #health-view .health-grid,
  #backtest-view .backtest-stats-grid,
  #backtest-view .backtest-easy-metrics,
  #backtest-view .backtest-trust-grid {
    grid-template-columns: 1fr !important;
  }

  #live-monitor-view .macro-radar-card {
    padding: 16px !important;
  }

  #live-monitor-view .macro-radar-grid {
    gap: 1px;
    overflow: hidden;
    border-radius: 14px;
    background: var(--separator);
  }

  #live-monitor-view .macro-factor,
  #live-monitor-view .macro-recommendation {
    padding: 14px !important;
    border: 0 !important;
    background: var(--surface-primary);
  }

  #live-monitor-view .macro-recommendation,
  #live-monitor-view .macro-rec-box {
    order: -1;
  }

  #live-monitor-view .metric-card {
    min-height: 164px;
  }

  #live-monitor-view .strategy-panel .rules-container {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition:
      max-height var(--motion-sheet) var(--ease-standard),
      opacity var(--motion-view) var(--ease-standard);
  }

  #live-monitor-view .strategy-panel.is-expanded .rules-container {
    max-height: 1200px;
    opacity: 1;
  }

  #live-monitor-view .strategy-panel .mobile-progressive-toggle {
    display: flex;
    width: 100%;
    margin-top: 4px;
  }

  #signals-view .portfolio-decision-summary {
    align-items: flex-start;
    grid-template-columns: 1fr auto;
  }

  #signals-view .portfolio-decision-kicker {
    grid-column: 1 / -1;
  }

  #signals-view .summary-support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  #signals-view .portfolio-pnl-detail-grid {
    grid-template-columns: 1fr !important;
  }

  #signals-view .portfolio-pnl-calendar-controls,
  #signals-view .portfolio-trend-header,
  #signals-view .portfolio-pnl-subhead {
    align-items: stretch;
    flex-direction: column;
  }

  #signals-view .portfolio-pnl-calendar {
    min-width: 0;
  }

  #signals-view .portfolio-trend-metrics,
  #backtest-view .backtest-return-metrics,
  #backtest-view .run-context-item {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  #signals-view .portfolio-pnl-analysis-card,
  #signals-view .portfolio-analysis-row,
  #signals-view .portfolio-insight-row,
  #signals-view .rebalance-panel {
    content-visibility: auto;
    contain-intrinsic-size: 580px;
  }

  .mobile-journal-filter-trigger {
    display: inline-flex;
  }

  #price-action-view > .price-action-section > .journal-filter-row {
    display: none;
  }

  .journal-filter-sheet {
    display: grid;
  }

  .journal-filter-sheet .journal-filter-row {
    display: grid;
    gap: 16px;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
  }

  .journal-filter-sheet .filter-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
  }

  .journal-filter-sheet .journal-filter-controls {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .mobile-collapsible-section {
    position: relative;
  }

  .mobile-section-disclosure {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 48px;
    padding: 0 4px 12px;
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 650;
    text-align: left;
  }

  .mobile-section-disclosure > :last-child {
    color: var(--accent);
    font-size: 12px;
    font-weight: 560;
  }

  .mobile-collapsible-section.is-mobile-collapsed {
    min-height: 58px;
    contain-intrinsic-size: 58px;
  }

  .mobile-collapsible-section.is-mobile-collapsed > :not(.mobile-section-disclosure) {
    display: none !important;
  }

  #signals-view .portfolio-analysis-row > .mobile-section-disclosure,
  #signals-view .portfolio-insight-row > .mobile-section-disclosure,
  #backtest-view .backtest-grid-mid > .mobile-section-disclosure,
  #backtest-view .backtest-analysis-grid > .mobile-section-disclosure {
    grid-column: 1 / -1;
  }

  #trades-table,
  #price-action-table {
    min-width: 0 !important;
  }

  #trades-table thead,
  #price-action-table thead {
    display: none;
  }

  #trades-table tbody,
  #price-action-table tbody {
    display: grid;
    gap: 8px;
  }

  #trades-table tr:not(.empty-row),
  #price-action-table tr:not(.empty-row) {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4px 10px;
    min-height: 92px;
    padding: 14px;
    border: 1px solid var(--separator);
    border-radius: 14px;
    background: var(--surface-primary);
    cursor: pointer;
  }

  #trades-table tr:not(.empty-row)::after,
  #price-action-table tr:not(.empty-row)::after {
    align-self: end;
    color: var(--accent);
    content: "查看详情  ›";
    font-size: 11px;
    grid-column: 2;
    grid-row: 3;
  }

  #trades-table td,
  #price-action-table td {
    display: none;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
  }

  #trades-table td:nth-child(1),
  #trades-table td:nth-child(2),
  #trades-table td:nth-child(3),
  #trades-table td:nth-child(6),
  #price-action-table td:nth-child(1),
  #price-action-table td:nth-child(2),
  #price-action-table td:nth-child(3),
  #price-action-table td:nth-child(4) {
    display: block;
  }

  #trades-table td:nth-child(1),
  #price-action-table td:nth-child(1) {
    color: var(--text-muted);
    font-size: 11px;
    grid-column: 1;
  }

  #trades-table td:nth-child(2),
  #price-action-table td:nth-child(2) {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 650;
    grid-column: 1;
  }

  #trades-table td:nth-child(3),
  #price-action-table td:nth-child(4) {
    align-self: start;
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  #trades-table td:nth-child(6),
  #price-action-table td:nth-child(3) {
    color: var(--text-primary);
    font-family: var(--font-mono);
    grid-column: 1;
  }

  #trades-table .empty-row,
  #price-action-table .empty-row {
    display: table-row;
  }

  #backtest-view .stress-test-toolbar,
  #backtest-view .backtest-run-context,
  #backtest-view .backtest-return-trend-header,
  #backtest-view .backtest-return-chart-controls,
  #backtest-view .backtest-signal-summary {
    align-items: stretch;
    flex-direction: column;
  }

  #backtest-view .stats-value {
    font-size: 28px;
  }

  #backtest-view .backtest-log-table-wrapper,
  #signals-view .rebalance-table-wrapper {
    position: relative;
    max-width: 100%;
    overflow-x: auto;
    scroll-snap-type: x proximity;
  }

  #health-view .monitor-runs-heading {
    align-items: stretch !important;
    flex-direction: column;
    gap: 10px;
  }

  #health-view .monitor-runs-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  #health-view .monitor-runs-chart-container {
    height: 360px !important;
    margin: 0 !important;
  }

  #health-view .health-maintenance-zone summary,
  #health-view .health-maintenance-body {
    align-items: flex-start;
    flex-direction: column;
  }

  #health-view .health-maintenance-body #btn-clean-monitor-runs {
    width: 100%;
    min-height: 48px !important;
  }

  .ui-sheet-backdrop,
  .mobile-more-sheet,
  .mobile-detail-sheet {
    display: grid;
  }
}

@media (min-width: 768px) and (max-width: 1100px) {
  .app-container {
    padding: 16px;
  }

  .dashboard-tabs {
    max-width: 100%;
    overflow-x: auto;
  }

  .dashboard-tabs::after {
    display: none;
  }

  #signals-view .holding-summary-grid,
  #health-view .health-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}