@media (max-width: 1100px) {
  body {
    background: var(--bg);
  }

  .app-shell {
    display: block;
    min-height: 100vh;
  }

  .sidebar {
    position: sticky;
    top: 0;
    z-index: 30;
    padding: 14px 16px;
    gap: 12px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
  }

  .brand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
  }

  .brand-logo {
    width: 128px;
  }

  .brand small,
  .brand p,
  .sidebar-footer,
  .nav button span {
    display: none;
  }

  .brand h1 {
    font-size: 18px;
    line-height: 1.15;
    text-align: right;
  }

  .nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .nav button {
    flex: 0 0 auto;
    min-width: 132px;
    padding: 11px 12px;
    text-align: center;
  }

  .nav button:hover,
  .nav button.active {
    transform: none;
  }

  .main {
    width: 100%;
  }

  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 16px 18px 8px;
  }

  .workspace {
    padding: 8px 18px 22px;
  }

  .screen-header {
    align-items: flex-start;
  }

  .screen-header h2 {
    font-size: 28px;
  }

  .hero-band,
  .layout-2,
  .metric-band,
  .client-hero,
  .ai-report-layout {
    grid-template-columns: 1fr !important;
  }

  .kpi-row,
  .metric-boxes,
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .filter-row,
  .ai-report-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .calendar-board {
    grid-template-columns: repeat(2, minmax(280px, 1fr));
  }

  .calendar-col {
    min-height: 300px;
  }

  .surface-inner {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  table {
    min-width: 760px;
  }

  .dept-row,
  .task-item,
  .ledger-row,
  .feed-row {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (max-width: 760px) {
  html,
  body,
  #app,
  .app-shell,
  .main {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  .sidebar {
    padding: 12px;
  }

  .brand h1 {
    display: none;
  }

  .nav button {
    min-width: 118px;
    padding: 10px;
  }

  .nav button strong {
    font-size: 13px;
  }

  .topbar,
  .screen-header,
  .section-title {
    display: grid;
    grid-template-columns: 1fr;
  }

  .screen-actions,
  .section-title .screen-actions {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .workspace {
    padding: 8px 12px 18px;
  }

  .surface-inner {
    padding: 16px;
  }

  .screen-header h2 {
    font-size: 24px;
  }

  .hero-panel strong {
    font-size: 24px;
  }

  .kpi-row,
  .metric-boxes,
  .steps,
  .grid-2,
  .form-grid,
  .filter-row,
  .ai-report-filters,
  .calendar-board,
  .dept-row,
  .task-item,
  .ledger-row,
  .feed-row,
  .profile-lines .line {
    grid-template-columns: 1fr !important;
  }

  .span-2 {
    grid-column: auto;
  }

  .filter-chip,
  .mini-btn {
    width: 100%;
  }

  .screen-actions .ghost-pill,
  .screen-actions .action-pill,
  .screen-actions .soft-pill,
  .section-title .ghost-pill,
  .section-title .action-pill,
  .section-title .soft-pill {
    width: auto;
  }

  .calendar-col {
    min-height: auto;
  }

  table {
    min-width: 680px;
  }

  th,
  td {
    padding: 10px 6px;
  }
}

@media (max-width: 520px) {
  .sidebar {
    gap: 8px;
    padding: 10px;
  }

  .brand-logo {
    width: 104px;
  }

  .nav {
    gap: 6px;
    scroll-snap-type: x proximity;
  }

  .nav button {
    min-width: 104px;
    min-height: 44px;
    scroll-snap-align: start;
  }

  .topbar {
    gap: 10px;
    padding: 12px 10px 6px;
  }

  .search {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    border-radius: 24px;
    padding: 13px 15px;
  }

  .workspace {
    padding: 6px 10px 16px;
  }

  .surface {
    border-radius: 10px;
  }

  .surface-inner {
    padding: 14px;
  }

  .screen-header h2 {
    font-size: 22px;
  }

  .screen-header p,
  .section-title p {
    font-size: 13px;
  }

  .action-pill,
  .soft-pill,
  .ghost-pill {
    min-height: 44px;
  }

  .metric-box,
  .kpi,
  .step,
  .quick-card {
    padding: 14px;
  }

  .metric-box strong,
  .kpi strong {
    font-size: 25px;
  }

  .hero-panel .surface-inner {
    padding: 18px;
  }

  .hero-panel strong {
    font-size: 22px;
  }
}