.mobile-menu-toggle,
.mobile-sidebar-backdrop {
  display: none;
}

.mobile-menu-toggle {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface2);
  color: var(--text);
  font: 700 1.25rem/1 inherit;
  cursor: pointer;
}

@media (max-width: 900px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  body.mobile-nav-open {
    overflow: hidden;
  }

  .app {
    width: 100%;
    min-height: 100dvh;
  }

  .sidebar {
    position: fixed;
    z-index: 1200;
    inset: 0 auto 0 0;
    width: min(86vw, 320px);
    height: 100dvh;
    transform: translateX(-102%);
    transition: transform 0.2s ease;
    box-shadow: 18px 0 44px rgba(0, 0, 0, 0.32);
    padding-bottom: env(safe-area-inset-bottom, 0);
  }

  body.mobile-nav-open .sidebar {
    transform: translateX(0);
  }

  .mobile-sidebar-backdrop {
    position: fixed;
    z-index: 1150;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: rgba(2, 6, 23, 0.58);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  body.mobile-nav-open .mobile-sidebar-backdrop {
    display: block;
    opacity: 1;
    pointer-events: auto;
  }

  .sidebar-head {
    padding-top: max(16px, env(safe-area-inset-top, 0));
  }

  .nav-scroll {
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .nav-btn {
    min-height: 44px;
  }

  .main {
    width: 100%;
    min-width: 0;
  }

  .topbar {
    position: sticky;
    z-index: 900;
    top: 0;
    height: auto;
    min-height: var(--top-h);
    padding: 8px max(12px, env(safe-area-inset-right, 0)) 8px max(12px, env(safe-area-inset-left, 0));
    flex-wrap: wrap;
    gap: 8px;
  }

  .topbar-left {
    width: 100%;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .breadcrumb {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .topbar-right {
    width: 100%;
    max-width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

  .topbar-right > * {
    flex: 0 0 auto;
  }

  .content {
    width: 100%;
    padding: 18px max(14px, env(safe-area-inset-right, 0)) 36px max(14px, env(safe-area-inset-left, 0));
    overflow-x: hidden;
  }

  .card,
  .kpi {
    max-width: 100%;
  }

  .two-col,
  .hr-quick-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .toolbar,
  .ti-panel-toolbar,
  .ti-dev-toolbar,
  .ti-sys-links-head,
  .ti-acc-head,
  .ti-kb-head {
    align-items: stretch;
  }

  .toolbar-grow,
  .ti-panel-toolbar .page-desc,
  .ti-dev-toolbar .ti-dev-search-wrap,
  .ti-dev-toolbar select,
  .ti-acc-search,
  .ti-kb-search {
    width: 100%;
    max-width: none;
    min-width: 0;
  }

  .ti-tabs,
  .cs-tabs,
  .ti-sub-panels {
    flex-wrap: nowrap;
    max-width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }

  .ti-tabs button,
  .cs-tabs button,
  .ti-sub-panels button {
    flex: 0 0 auto;
    min-height: 42px;
    scroll-snap-align: start;
  }

  input,
  select,
  textarea {
    font-size: 16px;
  }

  .btn {
    min-height: 42px;
    touch-action: manipulation;
  }

  .theme-toggle button,
  .role-toggle button {
    min-height: 36px;
  }

  .modal-overlay {
    align-items: flex-start;
    padding: max(8px, env(safe-area-inset-top, 0)) 8px max(8px, env(safe-area-inset-bottom, 0));
    overflow-y: auto;
  }

  .modal-card,
  .pop-view-modal .modal-card,
  .change-password-card {
    width: 100%;
    max-width: 100%;
    max-height: calc(100dvh - 16px);
    margin: auto 0;
    overflow: auto;
  }

  #pages-root table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  #pages-root td,
  #pages-root th {
    white-space: nowrap;
  }

  .chart-box {
    height: 220px;
    min-width: 0;
  }

  .module-auto-drawer-toolbar,
  .ti-kb-drawer-toolbar {
    padding: 12px;
  }

  .module-auto-drawer-body,
  .ti-kb-editor {
    padding-left: 14px;
    padding-right: 14px;
  }
}

@media (max-width: 600px) {
  .login-screen {
    align-items: flex-start;
    padding: 70px 12px 20px;
    overflow-y: auto;
  }

  .login-screen .theme-toggle {
    top: 10px;
    right: 10px;
    left: 10px;
    justify-content: center;
  }

  .login-layout {
    gap: 12px;
  }

  .login-brand {
    align-items: center;
    padding: 0;
    text-align: center;
  }

  .login-brand h1 {
    font-size: 1.45rem;
  }

  .login-brand p,
  .login-brand ul {
    display: none;
  }

  .login-card {
    padding: 20px 16px;
  }

  .content {
    padding: 14px 10px 28px;
  }

  h2.page-title {
    font-size: 1.2rem;
  }

  p.page-desc {
    margin-bottom: 16px;
  }

  .card {
    padding: 13px;
    margin-bottom: 13px;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
  }

  .kpi {
    padding: 12px;
  }

  .kpi .val {
    font-size: 1.25rem;
  }

  .form-row,
  .form-row.log-filters,
  .form-grid,
  .hub-form-grid,
  .ti-subsector-grid {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .toolbar > .btn,
  .toolbar > input,
  .toolbar > select,
  .toolbar > .toolbar-grow {
    width: 100%;
    max-width: none;
    justify-content: center;
  }

  .modal-card,
  .change-password-card {
    padding: 16px;
    border-radius: 10px;
  }

  .modal-actions,
  .change-password-actions {
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .modal-actions .btn,
  .change-password-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .topbar-user-email {
    display: none;
  }

  .topbar-user-name {
    max-width: 110px;
  }

  .ti-hub-launch,
  .ti-acc-company-new,
  .ti-kb-new {
    width: 100%;
  }

  .ti-hub-launch > *,
  .ti-acc-company-new > *,
  .ti-kb-new > * {
    flex: 1 1 100%;
    width: 100%;
  }

  .hr-item {
    grid-template-columns: minmax(0, 1fr);
  }

  .hr-item-actions {
    justify-content: flex-start;
  }

  .rh-toast {
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom, 0));
    left: 10px;
    max-width: none;
  }
}

@media (max-width: 380px) {
  .kpi-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .theme-toggle button {
    padding-inline: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar,
  .mobile-sidebar-backdrop {
    transition: none;
  }
}