@media (max-width: 768px) {
  /* On mobile the page scrolls, not the panes: the list is the home screen. */
  body {
    overflow-y: auto;
  }

  /* The open tour covers the page; a swipe on it would otherwise scroll the hidden list. */
  body:has(.detail-panel:not(.hidden)) {
    overflow-y: hidden;
  }

  .app-layout {
    flex-direction: column;
    height: auto;
    min-height: calc(100vh - var(--navbar-height));
  }

  /* The map stays off-screen until the map button or a tour's preview brings it up. */
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    overflow: visible;
  }

  /* The list grows with the page instead of scrolling in a capped box. */
  .tour-list {
    flex: none;
    min-height: auto;
    overflow-y: visible;
  }

  .mobile-map-fab {
    display: flex;
    position: fixed;
    right: 16px;
    bottom: 16px;
    z-index: 900;
  }

  /* No header row on mobile: long-press enters select mode (ui/tourGestures.js). */
  .sidebar-header {
    display: none;
  }

  /* Search and sort share one row; the <select> gives way to the icon menu. */
  .tour-controls {
    flex-direction: row;
  }

  .tour-search-wrap {
    flex: 1;
  }

  .tour-sort {
    display: none;
  }

  .sort-menu {
    display: block;
  }

  .tour-stats-btn {
    display: inline-flex;
  }

  /* The ? glyph is too small at .btn's base size inside its 44px target. */
  #btn-help {
    font-size: 18px;
  }

  /* Fixed, placed from the button's rect (ui/menus.js), since this row scrolls. */
  .sort-menu-list {
    position: fixed;
  }

  /* Icon-only here; each button's data-i18n-aria-label keeps its name. */
  .selection-bar-actions .btn-label {
    display: none;
  }

  /* Icon-only here too; each <label>'s data-i18n-aria-label keeps its name. */
  .toggle-label-text {
    display: none;
  }

  .pin-toggle {
    padding: 7px;
  }

  /* Squares up with the expand button once its label is hidden. */
  #btn-line-style {
    width: 34px;
    padding: 0;
  }

  /* Off-screen until expanded (.map-expanded) or moved into the detail panel (.in-detail). */
  .map-container {
    display: none;
  }

  .app-layout.map-expanded .map-container {
    display: flex;
    position: fixed;
    inset: var(--navbar-height) 0 0 0;
    z-index: 1050;
  }

  .map-container.in-detail {
    display: block;
    height: 200px;
    /* Keeps .map-top-controls clear of .detail-close in the same corner. */
    margin: 32px 0 16px;
    border-radius: 8px;
    overflow: hidden;
  }

  .detail-panel {
    position: fixed;
    inset: var(--navbar-height) 0 0 0;
    width: 100%;
    max-height: none;
    border-left: none;
    /* Above Leaflet's controls (1000; #map has no stacking context), below .navbar (1100). */
    z-index: 1050;
  }

  /* Mobile never keeps the map on one tour, so there is nothing to reset. */
  .show-all-btn {
    display: none;
  }

  /* No map beside the list on mobile, so the in-view filter is off there. */
  #filter-in-view-toggle {
    display: none;
  }

  .navbar {
    padding: 0 12px;
  }

  /* The title would push the navbar buttons off narrow screens. */
  .navbar-title {
    display: none;
  }
}

@media (max-width: 480px) {
  .btn {
    padding: 7px 10px;
  }

  /* No room beside help, upload and sign-in; the help, sign-in prompt and profile link it. */
  .navbar-privacy {
    display: none;
  }

  .modal {
    min-width: 0;
    width: calc(100vw - 32px);
    padding: 28px 20px;
  }
}