/* =============================================
   Mobile-only Responsive Refinements
   ============================================= */


/* =============================================
   Mobile-only responsive refinements
   Keep desktop visual/interaction unchanged.
   ============================================= */
@media (max-width: 760px) {
  .page-shell {
    width: min(100%, calc(100% - 20px));
    padding: 20px 0 44px;
  }

  .home-navbar-inner,
  .detail-navbar-inner {
    height: auto;
    min-height: 60px;
    padding: 10px 12px;
    align-items: flex-start;
    flex-wrap: wrap;
    row-gap: 8px;
  }

  .navbar-brand {
    min-width: 0;
  }

  .navbar-brand-text {
    max-width: calc(100vw - 170px);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .navbar-user-area {
    margin-left: auto;
  }

  .navbar-dropdown {
    width: min(92vw, 320px);
    max-height: calc(100vh - 84px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .home-hero-section {
    margin-bottom: 24px;
  }

  .home-section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  #create-space-entry {
    width: 100%;
  }

  .create-space-trigger {
    width: 100%;
    justify-content: center;
  }

  .detail-navbar-meta {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: thin;
  }

  .detail-navbar-link,
  .detail-navbar-space-chip,
  .detail-navbar-user-chip {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .detail-page-shell {
    width: min(100%, calc(100% - 16px));
    padding: 20px 10px 56px;
    border-radius: 22px;
  }

  .detail-hero-title {
    font-size: clamp(1.9rem, 9.2vw, 2.6rem);
  }

  .detail-hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.7;
  }

  .detail-route-pills {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .detail-route-pill {
    flex: 0 0 auto;
  }

  .detail-hero-card,
  .space-detail-page .dashboard-panel,
  .space-detail-page .workspace-panel,
  .detail-workspace-nav {
    padding: 16px;
  }

  .module-split,
  .travel-browser,
  .post-module-split,
  .media-module-split {
    gap: 14px;
  }

  .panel-head-inline .mini-stats,
  .dashboard-head-actions {
    width: 100%;
  }

  .post-month-switcher {
    width: 100%;
    justify-content: space-between;
  }

  .space-detail-page .detail-navbar-settings .space-settings-popover-card {
    position: fixed;
    left: 10px;
    right: 10px;
    top: 72px;
    width: auto;
    max-height: calc(100vh - 84px);
    border-radius: 20px;
    z-index: 140;
  }

  .space-settings-form > button[type="submit"] {
    position: sticky;
    bottom: 0;
    z-index: 2;
  }
}

@media (max-width: 480px) {
  .detail-navbar-link,
  .detail-navbar-space-chip,
  .detail-navbar-user-chip,
  .detail-route-pill {
    font-size: 0.82rem;
    min-height: 34px;
    padding: 6px 10px;
  }

  .space-card-grid {
    grid-template-columns: 1fr;
  }

  .post-calendar-day {
    min-height: 50px;
  }
}

@media (max-width: 375px) {
  .page-shell {
    width: min(100%, calc(100% - 12px));
    padding: 14px 0 34px;
  }

  .home-navbar-inner,
  .detail-navbar-inner {
    min-height: 56px;
    padding: 8px 10px;
    row-gap: 6px;
  }

  .navbar-brand-icon {
    width: 26px;
    height: 26px;
  }

  .navbar-brand-text {
    font-size: 0.86rem;
    max-width: calc(100vw - 150px);
  }

  .navbar-login-btn,
  .navbar-avatar-btn {
    min-height: 34px;
  }

  .navbar-dropdown {
    width: min(94vw, 320px);
    padding: 12px;
  }

  .home-stats-panel {
    gap: 10px;
  }

  .stat-card {
    padding: 12px 12px;
    border-radius: 14px;
  }

  .stat-card strong {
    font-size: 1.45rem;
  }

  .space-card-grid {
    gap: 10px;
  }

  .space-tile {
    min-height: 182px;
    border-radius: 18px;
    padding: 12px 10px 10px;
    gap: 10px;
  }

  .space-tile-cover {
    width: 62px;
    height: 62px;
    border-radius: 16px;
  }

  .space-tile-house-svg {
    width: 34px;
    height: 34px;
  }

  .space-tile-name {
    font-size: 1rem;
  }

  .space-tile-owner {
    font-size: 0.74rem;
  }

  .space-tile-enter {
    min-height: 34px;
    padding: 6px 10px;
    font-size: 0.8rem;
  }

  .detail-page-shell {
    width: min(100%, calc(100% - 12px));
    padding: 14px 8px 44px;
    border-radius: 18px;
  }

  .detail-navbar-meta,
  .detail-route-pills {
    gap: 6px;
  }

  .detail-navbar-link,
  .detail-navbar-space-chip,
  .detail-navbar-user-chip,
  .detail-route-pill {
    min-height: 32px;
    padding: 5px 9px;
    font-size: 0.78rem;
  }

  .detail-hero-title {
    font-size: clamp(1.75rem, 8.6vw, 2.3rem);
  }

  .detail-hero-subtitle {
    font-size: 0.9rem;
    line-height: 1.62;
  }

  .detail-hero-card,
  .space-detail-page .dashboard-panel,
  .space-detail-page .workspace-panel,
  .detail-workspace-nav {
    padding: 12px;
  }

  .space-detail-page .detail-navbar-settings .space-settings-popover-card {
    left: 8px;
    right: 8px;
    top: 64px;
    max-height: calc(100vh - 72px);
    border-radius: 18px;
    padding: 12px;
  }

  .space-settings-form > button[type="submit"] {
    margin-top: 4px;
  }

  .module-split,
  .travel-browser,
  .post-module-split,
  .media-module-split {
    gap: 10px;
  }

  .module-form-card {
    padding: 10px;
    border-radius: 14px;
  }

  .module-feed-head {
    margin-bottom: 10px;
  }

  .module-feed-head h3,
  .collection-detail-head h3 {
    font-size: 1rem;
  }

  .module-overview-grid,
  .summary-card-grid,
  .activity-strip-grid,
  .collection-grid,
  .photo-grid,
  .video-grid,
  .post-detail-panel,
  .milestone-list,
  .travel-list {
    gap: 10px;
  }

  .space-card,
  .empty-card,
  .activity-compact-card,
  .summary-entry-card,
  .summary-entry-link,
  .timeline-entry,
  .compact-timeline-entry,
  .post-detail-card,
  .travel-detail-card,
  .travel-entry-card {
    border-radius: 14px;
    padding: 10px;
  }

  .activity-compact-card {
    gap: 8px;
  }

  .activity-compact-visual {
    aspect-ratio: 16 / 10;
    min-height: 0;
    border-radius: 10px;
  }

  .activity-compact-title {
    font-size: 0.9rem;
  }

  .activity-compact-summary {
    font-size: 0.83rem;
    line-height: 1.5;
  }

  .summary-entry-card,
  .summary-entry-link {
    gap: 8px;
  }

  .summary-entry-title {
    font-size: 0.92rem;
  }

  .summary-entry-meta,
  .summary-entry-summary {
    font-size: 0.82rem;
    line-height: 1.5;
  }

  .timeline-entry {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 8px;
  }

  .timeline-media {
    min-height: 74px;
    border-radius: 10px;
  }

  .timeline-entry-title {
    font-size: 0.9rem;
  }

  .timeline-entry-meta,
  .timeline-entry-summary {
    font-size: 0.82rem;
    line-height: 1.5;
  }

  .timeline-entry-actions {
    gap: 6px;
  }

  .timeline-action-button {
    min-height: 32px;
    padding: 7px 10px;
    font-size: 0.78rem;
  }

  .travel-entry-card {
    gap: 5px;
  }

  .travel-entry-cover {
    min-height: 92px;
    border-radius: 10px;
  }

  .travel-detail-cover-button {
    min-height: 190px;
    height: min(84vw, 340px);
    max-height: 62vh;
    border-radius: 12px;
  }

  .travel-summary-card {
    gap: 6px;
    padding: 9px;
  }

  .travel-summary-card .travel-summary-cover {
    aspect-ratio: 3 / 2;
  }

  .travel-summary-headline {
    gap: 6px;
  }

  .travel-summary-headline .summary-entry-title {
    font-size: 0.9rem;
  }

  .travel-destination-chip {
    max-width: 56%;
    font-size: 0.72rem;
    padding: 4px 7px;
  }

  .travel-summary-brief {
    font-size: 0.8rem;
    line-height: 1.48;
  }

  .travel-album-upload-form,
  .travel-album-collapsed-note {
    padding: 10px;
    border-radius: 12px;
  }

  .travel-album-grid {
    gap: 8px;
  }

  .travel-album-card {
    border-radius: 12px;
  }

  .travel-album-cover {
    gap: 3px;
    padding: 3px;
    grid-template-rows: repeat(2, 72px);
  }

  .travel-album-cover.single {
    grid-template-rows: 140px;
  }

  .travel-album-body {
    padding: 10px;
    gap: 6px;
  }

  .travel-album-meta-row {
    font-size: 0.76rem;
  }

  .media-collection-card,
  .photo-card,
  .video-card {
    border-radius: 14px;
  }

  .collection-cover-grid {
    gap: 3px;
    padding: 3px;
    grid-template-rows: repeat(2, 82px);
  }

  .single-cover-grid {
    grid-template-rows: 164px;
  }

  .media-collection-body {
    padding: 10px;
    gap: 6px;
  }

  .collection-card-heading h3 {
    font-size: 0.92rem;
  }

  .video-collection-cover,
  .video-collection-cover-media,
  .video-collection-cover-image {
    min-height: 164px;
  }

  .video-collection-cover-meta {
    left: 10px;
    right: 10px;
    bottom: 10px;
    gap: 4px;
  }

  .video-collection-cover-meta strong {
    font-size: 1.08rem;
  }

  .video-collection-cover-play {
    width: 28px;
    height: 28px;
    top: 8px;
    right: 8px;
    font-size: 0.72rem;
  }

  .photo-card-body,
  .video-card-body {
    padding: 10px;
    gap: 8px;
  }

  .post-calendar-toolbar {
    gap: 8px;
  }

  .post-month-copy {
    min-width: 104px;
  }

  .post-calendar-grid {
    gap: 4px;
  }

  .post-calendar-weekday,
  .post-calendar-blank,
  .post-calendar-day {
    min-height: 44px;
  }

  .post-calendar-day {
    padding: 6px 4px;
  }

  .post-calendar-day-number {
    font-size: 0.82rem;
  }

  .post-day-chip {
    padding: 8px 10px;
    font-size: 0.8rem;
  }

  .post-detail-card {
    gap: 12px;
  }

  .post-detail-title {
    font-size: 1.08rem;
  }

  .post-detail-content {
    padding: 12px;
    border-radius: 12px;
    font-size: 0.84rem;
    line-height: 1.7;
  }

  .post-media-gallery {
    gap: 8px;
  }

  .post-media-preview {
    border-radius: 14px;
  }

  .post-media-caption-row {
    font-size: 0.8rem;
  }

  .emoji-toolbar {
    padding: 10px;
    border-radius: 12px;
  }

  .emoji-chip {
    padding: 7px 9px;
    border-radius: 10px;
  }

  .card-actions,
  .activity-compact-actions,
  .post-detail-actions,
  .timeline-entry-actions {
    gap: 6px;
  }

  button,
  .ghost-link {
    padding: 9px 11px;
    font-size: 0.84rem;
  }

  input,
  textarea,
  select {
    padding: 10px 11px;
    border-radius: 12px;
    font-size: 0.9rem;
  }

  .field-help,
  .form-message {
    font-size: 0.8rem;
  }
}


/* ── Responsive: new components (china-map, polaroid, video) ────── */

@media (max-width: 760px) {
  .travel-china-map-container {
    height: 280px;
    border-radius: 12px;
    margin-bottom: 14px;
  }

  .amap-picker-map {
    min-height: 240px;
  }

  .amap-popup-thumbs {
    display: none;
  }

  .amap-picker-card {
    padding: 16px;
    gap: 8px;
  }

  .cloud-video-thumb {
    min-height: 80px;
  }
}

@media (max-width: 480px) {
  .amap-picker-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .amap-picker-confirm-btn {
    width: 100%;
  }
}