/* v1.2 Mobile UX
   Mobile-only app navigation and bottom-sheet behavior.
   Desktop behavior remains owned by the existing layout styles.
*/

.mobile-app-bar,
.mobile-bottom-nav,
.mobile-nearby-panel,
.mobile-sheet-expand {
  display: none;
}

@media (max-width: 720px) {
  :root {
    --mobile-nav-height: 68px;
    --mobile-appbar-height: 60px;
  }

  body {
    padding-bottom: var(--mobile-nav-height);
  }

  .mobile-app-bar {
    position: sticky;
    top: 0;
    z-index: 900;
    display: flex;
    min-height: var(--mobile-appbar-height);
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 14px;
    border-bottom: 1px solid var(--ui-line, #c9dce4);
    background: rgba(251, 253, 255, 0.96);
    backdrop-filter: blur(12px);
  }

  .mobile-brand-link {
    display: inline-flex;
    min-width: 0;
    align-items: center;
  }

  .mobile-brand-link img {
    width: 156px;
    max-height: 42px;
    object-fit: contain;
    object-position: left center;
  }

  .mobile-view-label {
    flex: 0 0 auto;
    color: var(--ui-muted, #5a6f78);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .app-shell {
    display: block;
  }

  .sidebar,
  .map-panel,
  .mobile-nearby-panel {
    min-height: calc(100dvh - var(--mobile-appbar-height) - var(--mobile-nav-height));
  }

  body[data-mobile-view="map"] .sidebar,
  body[data-mobile-view="map"] .mobile-nearby-panel {
    display: none !important;
  }

  body[data-mobile-view="map"] .map-panel {
    display: block;
    min-height: calc(100dvh - var(--mobile-appbar-height) - var(--mobile-nav-height));
  }

  body[data-mobile-view="map"] .map {
    min-height: calc(100dvh - var(--mobile-appbar-height) - var(--mobile-nav-height));
  }

  body[data-mobile-view="explore"] .map-panel,
  body[data-mobile-view="explore"] .mobile-nearby-panel {
    display: none !important;
  }

  body[data-mobile-view="explore"] .sidebar {
    display: block;
    width: 100%;
    max-width: none;
    padding-bottom: 16px;
  }

  body[data-mobile-view="explore"] .sidebar > .brand {
    display: none;
  }

  body[data-mobile-view="nearby"] .sidebar,
  body[data-mobile-view="nearby"] .map-panel {
    display: none !important;
  }

  body[data-mobile-view="nearby"] .mobile-nearby-panel {
    display: block;
  }

  .mobile-nearby-panel {
    padding: 18px 14px 28px;
    background: var(--ui-bg, #eef6f8);
  }

  .mobile-nearby-heading {
    margin-bottom: 14px;
  }

  .mobile-nearby-heading .eyebrow {
    margin-bottom: 4px;
  }

  .mobile-nearby-heading h2 {
    margin: 0 0 6px;
    color: var(--ui-blue-deep, #0f4f67);
    font-family: Inter, system-ui, sans-serif;
    font-size: 22px;
  }

  .mobile-nearby-heading p:last-child {
    margin: 0;
    color: var(--ui-muted, #5a6f78);
    font-size: 14px;
    line-height: 1.45;
  }

  .mobile-nearby-status {
    margin: 0 0 12px;
    padding: 12px 14px;
    border: 1px solid var(--ui-line, #c9dce4);
    border-radius: 12px;
    background: var(--ui-panel, #fbfdff);
    color: var(--ui-muted, #5a6f78);
    font-size: 14px;
    line-height: 1.4;
  }

  .mobile-nearby-results {
    display: grid;
    gap: 10px;
  }

  .mobile-nearby-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
    align-items: center;
    width: 100%;
    min-height: 74px;
    padding: 12px 14px;
    border: 1px solid var(--ui-line, #c9dce4);
    border-radius: 14px;
    background: var(--ui-panel, #fbfdff);
    color: var(--ui-text, #10252e);
    font: inherit;
    text-align: left;
  }

  .mobile-nearby-card strong,
  .mobile-nearby-card span {
    display: block;
  }

  .mobile-nearby-card strong {
    margin-bottom: 3px;
    color: var(--ui-blue-deep, #0f4f67);
    font-size: 15px;
  }

  .mobile-nearby-card span {
    color: var(--ui-muted, #5a6f78);
    font-size: 12px;
    line-height: 1.35;
  }

  .mobile-nearby-distance {
    min-width: 54px;
    color: var(--ui-blue, #176f8f) !important;
    font-weight: 800;
    text-align: right;
  }

  .mobile-bottom-nav {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 1100;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-height: var(--mobile-nav-height);
    padding: 5px max(8px, env(safe-area-inset-right)) max(5px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
    border-top: 1px solid var(--ui-line, #c9dce4);
    background: rgba(251, 253, 255, 0.97);
    box-shadow: 0 -8px 24px rgba(15, 79, 103, 0.08);
    backdrop-filter: blur(14px);
  }

  .mobile-nav-button {
    display: inline-flex;
    min-width: 0;
    min-height: 54px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--ui-muted, #5a6f78);
    font: inherit;
    font-size: 11px;
    font-weight: 700;
  }

  .mobile-nav-button .ui-icon {
    width: 22px;
    height: 22px;
  }

  .mobile-nav-button[aria-current="page"] {
    background: var(--ui-blue-soft, #dceff5);
    color: var(--ui-blue-deep, #0f4f67);
  }

  /* Marker selection uses the bottom sheet on phones, so suppress Leaflet's duplicate popup card. */
  .leaflet-popup-pane {
    display: none;
  }

  /* On mobile, the existing detail panel becomes the marker-selection sheet. */
  .detail-panel:not([hidden]) {
    position: fixed;
    inset: auto 0 var(--mobile-nav-height) 0;
    z-index: 1050;
    display: flex;
    align-items: flex-end;
    padding: 0;
    background: rgba(16, 37, 46, 0.14);
  }

  .detail-card {
    position: relative;
    width: 100%;
    max-width: none;
    max-height: min(72dvh, 680px);
    overflow: auto;
    border-radius: 20px 20px 0 0;
    padding: 26px 18px 24px;
    box-shadow: 0 -14px 34px rgba(15, 79, 103, 0.18);
  }

  .detail-card::before {
    position: absolute;
    top: 8px;
    left: 50%;
    width: 44px;
    height: 4px;
    border-radius: 999px;
    background: var(--ui-line, #c9dce4);
    content: "";
    transform: translateX(-50%);
  }

  .detail-panel.mobile-sheet-collapsed {
    background: transparent;
    pointer-events: none;
  }

  .detail-panel.mobile-sheet-collapsed .detail-card {
    max-height: none;
    overflow: hidden;
    pointer-events: auto;
  }

  .detail-panel.mobile-sheet-collapsed .detail-photo,
  .detail-panel.mobile-sheet-collapsed .detail-status,
  .detail-panel.mobile-sheet-collapsed .detail-card > p,
  .detail-panel.mobile-sheet-collapsed .detail-section,
  .detail-panel.mobile-sheet-collapsed .source-note {
    display: none;
  }

  .detail-panel.mobile-sheet-collapsed .detail-kicker {
    margin-top: 4px;
  }

  .detail-panel.mobile-sheet-collapsed .detail-card h2 {
    margin-bottom: 5px;
    padding-right: 38px;
    font-size: 23px;
    line-height: 1.1;
  }

  .detail-panel.mobile-sheet-collapsed .detail-subtitle {
    display: block;
    margin: 0 0 12px;
    color: var(--ui-muted, #5a6f78);
    font-size: 13px;
    line-height: 1.35;
  }

  .detail-panel.mobile-sheet-collapsed .detail-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
    margin: 0 0 12px;
  }

  .detail-panel.mobile-sheet-collapsed .detail-grid > div {
    min-width: 0;
    padding: 8px;
  }

  .detail-panel.mobile-sheet-collapsed .detail-grid > div:nth-child(n + 4) {
    display: none;
  }

  .detail-panel.mobile-sheet-collapsed .detail-grid dt {
    font-size: 9px;
    line-height: 1.15;
  }

  .detail-panel.mobile-sheet-collapsed .detail-grid dd {
    margin-top: 3px;
    font-size: 12px;
    line-height: 1.15;
  }

  .mobile-sheet-expand {
    width: 100%;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--ui-blue, #176f8f);
    border-radius: 10px;
    background: var(--ui-blue, #176f8f);
    color: #fff;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
  }

  .detail-panel.mobile-sheet-collapsed .mobile-sheet-expand {
    display: inline-flex;
  }

  .detail-panel:not(.mobile-sheet-collapsed) .mobile-sheet-expand {
    display: none;
  }

  body.detail-open .mobile-bottom-nav {
    box-shadow: none;
  }

  .leaflet-control-attribution {
    max-width: 78vw;
    font-size: 9px;
  }
}