/* Five stable destinations; secondary tools open above the bar. */
@media (max-width: 900px) {
  :root {
    --mobile-nav-space: calc(64px + env(safe-area-inset-bottom, 0px));
  }
  body:not(.auth-page-body) .mobile-nav.mobile-nav-compact {
    display: grid !important;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0 !important;
    overflow: visible !important;
    height: auto;
    min-height: 0;
    padding: 4px 8px calc(4px + env(safe-area-inset-bottom, 0px)) !important;
    border-top: 1px solid var(--ui-line) !important;
    border-radius: 0 !important;
    background: var(--ui-surface) !important;
    box-shadow: none !important;
  }
  body:not(.auth-page-body) .mobile-nav-compact .mobile-primary {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100% !important;
    min-width: 0 !important;
    max-width: none !important;
    height: 54px;
    min-height: 54px !important;
    margin: 0;
    padding: 5px 0 !important;
    gap: 4px;
    border: 0 !important;
    border-radius: 10px !important;
    background: transparent !important;
    color: var(--ui-muted) !important;
    font: 500 11px/1.2 var(--font-ui);
    cursor: pointer;
  }
  body:not(.auth-page-body) .mobile-nav-compact .mobile-primary.is-active {
    color: var(--ui-accent) !important;
    background: var(--ui-surface-soft) !important;
  }
  .mobile-nav-compact .mobile-primary span {
    font: inherit !important;
    white-space: nowrap;
  }
  body:not(.auth-page-body) .mobile-nav-compact .mobile-primary > span,
  body:not(.auth-page-body) .mobile-nav-compact .mobile-tool-link > span {
    color: inherit !important;
  }
  .mobile-nav-compact .mobile-primary img {
    width: 23px;
    height: 23px;
    opacity: 0.75;
  }
  .mobile-tools {
    position: relative;
    min-width: 0;
  }
  .mobile-tools-menu {
    position: absolute;
    right: 0;
    bottom: calc(100% + 12px);
    width: 196px;
    padding: 6px;
    border: 1px solid var(--ui-line);
    border-radius: 14px;
    background: var(--ui-surface);
    box-shadow: 0 6px 24px #0002;
  }
  .mobile-tools-menu[hidden] {
    display: none !important;
  }
  .mobile-tools-menu::after {
    content: '';
    position: absolute;
    right: 20px;
    bottom: -5px;
    width: 8px;
    height: 8px;
    transform: rotate(45deg);
    background: var(--ui-surface);
    border-right: 1px solid var(--ui-line);
    border-bottom: 1px solid var(--ui-line);
  }
  .mobile-tool-link {
    display: flex;
    gap: 12px;
    align-items: center;
    min-height: 44px;
    padding: 6px 12px;
    border-radius: 8px;
    color: var(--ui-text);
    text-decoration: none;
    font: 500 14px/1.4 var(--font-ui);
  }
  .mobile-tool-link img {
    width: 20px;
    height: 20px;
  }
  .mobile-tool-link:hover,
  .mobile-tool-link:focus-visible,
  .mobile-tool-link.is-active {
    background: var(--ui-surface-soft);
    color: var(--ui-accent);
  }
  body:not(.theme-light) .mobile-nav-compact img {
    filter: brightness(0) invert(1) !important;
  }
  body.theme-light .mobile-nav-compact img {
    filter: none !important;
  }
  body.aichat-page.max-input-active .mobile-nav.mobile-nav-compact {
    display: none !important;
  }

  body.discussion-page .discussion-layout:not(.is-detail-view) {
    gap: 12px !important;
  }
  body.discussion-page .discussion-stats {
    padding: 0 !important;
    gap: 0 !important;
  }
  body.discussion-page .discussion-stats-section {
    padding: 0 !important;
    border: 0 !important;
  }
  body.discussion-page .discussion-stats-section > h3,
  body.discussion-page .discussion-board-about,
  body.discussion-page .discussion-page-heading {
    display: none !important;
  }
  body.discussion-page .discussion-board-list {
    gap: 18px !important;
    padding: 0 0 2px !important;
    border-bottom: 1px solid var(--ui-line);
  }
  body.discussion-page .discussion-board-chip {
    min-width: auto !important;
    min-height: 42px !important;
    padding: 8px 2px !important;
    width: auto !important;
    border: 0 !important;
    border-bottom: 2px solid transparent !important;
    border-radius: 0 !important;
    background: transparent !important;
    font-size: 14px !important;
    box-shadow: none !important;
  }
  body.discussion-page .discussion-board-chip.is-active {
    border-bottom-color: var(--ui-accent) !important;
    color: var(--ui-accent) !important;
  }
  body.discussion-page .discussion-feed {
    gap: 12px !important;
  }
  body.discussion-page .discussion-scope {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 0;
  }
  body.discussion-page .discussion-scope > [data-discussion-scope] {
    min-height: 40px !important;
    padding: 6px 8px !important;
    border: 0 !important;
    border-radius: 8px !important;
    font-size: 13px !important;
    white-space: nowrap;
    background: transparent !important;
    color: var(--ui-muted) !important;
  }
  body.discussion-page .discussion-scope > [aria-pressed='true'] {
    background: var(--ui-surface-soft) !important;
    color: var(--ui-accent) !important;
  }
  body.discussion-page #discussion-scope-hint,
  body.discussion-page .discussion-feed-toolbar {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    overflow: hidden !important;
    clip-path: inset(50%);
  }
  body.discussion-page .discussion-scope .discussion-create-toggle {
    min-width: 0 !important;
    min-height: 40px !important;
    padding: 6px 12px !important;
    font-size: 13px !important;
    border-radius: 10px !important;
    margin-left: 4px;
    white-space: nowrap;
  }
  .discussion-filter-menu {
    position: relative;
    margin-left: auto;
  }
  .discussion-filter-menu > summary {
    display: flex;
    align-items: center;
    min-height: 40px;
    padding: 0 8px;
    font-size: 13px;
    color: var(--ui-muted);
    list-style: none;
    white-space: nowrap;
    cursor: pointer;
  }
  .discussion-filter-menu > summary::-webkit-details-marker {
    display: none;
  }
  .discussion-filter-popover {
    position: absolute;
    z-index: 20;
    right: 0;
    top: calc(100% + 6px);
    width: 188px;
    padding: 8px;
    background: var(--ui-surface);
    border: 1px solid var(--ui-line);
    border-radius: 12px;
    box-shadow: 0 6px 24px #0002;
  }
  body.discussion-page .discussion-filter-popover .discussion-filter-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2px;
  }
  body.discussion-page .discussion-filter-popover .discussion-filter-chip {
    width: 100%;
    min-height: 40px;
    border: 0;
    padding: 8px 12px;
    font-size: 14px;
    text-align: left;
  }
  body.discussion-page .discussion-filter-popover #discussion-deleted-filter {
    font-size: 12px;
    margin: 8px 0 0;
    padding-top: 8px;
    border-top: 1px solid var(--ui-line);
  }
}
@media (max-width: 900px) {
  body.discussion-page .main-content .discussion-board-chip {
    min-width: auto !important;
    min-height: 42px !important;
    padding: 8px 2px !important;
    border: 0 !important;
    border-bottom: 2px solid transparent !important;
    border-radius: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
  }
  body.discussion-page .main-content .discussion-board-chip.is-active {
    border-bottom-color: var(--ui-accent) !important;
    background: transparent !important;
  }
  body.discussion-page .main-content .discussion-filter-popover .discussion-filter-chip {
    border: 0 !important;
    background: transparent !important;
    color: var(--ui-muted) !important;
  }
  body.discussion-page
    .main-content
    .discussion-filter-popover
    .discussion-filter-chip[aria-pressed='true'] {
    background: var(--ui-surface-soft) !important;
    color: var(--ui-accent) !important;
  }
}
/* Discussion follows a flat reading feed: search, topics, then the posts. */
@media (max-width: 900px) {
  body.discussion-page.theme-light {
    --ui-page: #fff;
    --bbs-shell-page: #fff;
  }
  body.discussion-page .user-economy-stack,
  body.discussion-page .mobile-theme-toggle {
    display: none !important;
  }
  body.discussion-page .main-content {
    padding-top: calc(76px + env(safe-area-inset-top, 0px)) !important;
  }
  body.discussion-page .main-content::before {
    height: 64px !important;
    padding: 0 !important;
    font-size: 0 !important;
    border: 0 !important;
  }
  body.discussion-page .topbar > .site-search-trigger {
    left: calc(16px + env(safe-area-inset-left, 0px)) !important;
    right: calc(120px + env(safe-area-inset-right, 0px)) !important;
    width: auto !important;
    padding: 0 14px !important;
    gap: 8px;
    justify-content: flex-start !important;
    border-radius: 24px;
    background: var(--ui-input);
    color: var(--ui-muted);
  }
  body.discussion-page .site-search-trigger span {
    display: inline;
    font-size: 14px;
    white-space: nowrap;
  }
  body.discussion-page .main-content .discussion-post-list {
    gap: 0 !important;
  }
  body.discussion-page .main-content .discussion-post-card {
    display: block !important;
    margin: 0 !important;
    padding: 18px 0 10px !important;
    border: 0 !important;
    border-bottom: 1px solid var(--ui-line) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    transform: none !important;
  }
  body.discussion-page .main-content .discussion-post-card:not(.has-laser-glow) {
    background: transparent !important;
  }
  body.discussion-page .main-content .discussion-post-card-main,
  body.discussion-page .main-content .discussion-post-card-main.has-preview {
    display: flex !important;
    flex-direction: column;
    gap: 8px !important;
  }
  body.discussion-page .main-content .discussion-post-card-main h3 {
    order: 0;
    margin: 0 !important;
  }
  body.discussion-page .main-content .discussion-post-title {
    padding: 0 !important;
    font-size: 18px !important;
    line-height: 1.5 !important;
    font-weight: 650 !important;
  }
  body.discussion-page .main-content .discussion-post-source {
    order: 1;
    flex-wrap: wrap;
    gap: 6px !important;
    font-size: 12px !important;
    color: var(--ui-muted) !important;
  }
  body.discussion-page .main-content .discussion-post-excerpt {
    order: 2;
    display: -webkit-box !important;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    margin: 0;
    font-size: 15px !important;
    line-height: 1.7 !important;
    color: var(--ui-muted) !important;
  }
  body.discussion-page .main-content .discussion-post-preview {
    order: 3;
    width: min(100%, 300px) !important;
    height: 168px !important;
    margin: 2px 0 0;
    border: 0 !important;
    border-radius: 8px !important;
  }
  body.discussion-page .main-content .discussion-post-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  body.discussion-page .main-content .discussion-post-actions {
    order: 4;
    display: flex;
    gap: 14px !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  body.discussion-page .main-content .discussion-inline-reactions {
    gap: 14px !important;
  }
  body.discussion-page
    .main-content
    .discussion-post-actions
    :is(.discussion-reaction-button, .discussion-comment-count, .discussion-delete-action) {
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    min-width: 0 !important;
    min-height: 40px !important;
    padding: 4px 0 !important;
    gap: 5px !important;
    font-size: 12px !important;
    font-weight: 400 !important;
    color: var(--ui-muted) !important;
  }
  body.discussion-page
    .main-content
    .discussion-post-actions
    .discussion-reaction-button.is-reacted {
    color: var(--ui-accent) !important;
  }
  body.discussion-page .main-content .discussion-post-actions img {
    width: 19px;
    height: 19px;
    opacity: 0.7;
  }
  body.discussion-page .main-content .discussion-post-actions .discussion-delete-action {
    margin-left: auto;
  }
}
@media (max-width: 900px) {
  body.discussion-page .page-shell .main-content {
    padding-top: calc(76px + env(safe-area-inset-top, 0px)) !important;
  }
  body.discussion-page .user-panel .user-actions .mobile-theme-toggle {
    display: none !important;
  }
  body.discussion-page .main-content .discussion-scope {
    gap: 2px;
    width: 100%;
    min-width: 0;
  }
  body.discussion-page .main-content .discussion-scope > [data-discussion-scope] {
    padding-inline: 6px !important;
    font-size: 12px !important;
  }
  body.discussion-page .main-content .discussion-scope .discussion-create-toggle {
    padding-inline: 9px !important;
    font-size: 12px !important;
  }
  body.discussion-page .main-content .discussion-filter-menu > summary {
    padding-inline: 5px;
    font-size: 12px;
  }
  body.discussion-page
    .main-content
    .discussion-post-card
    .discussion-post-actions
    :is(.discussion-reaction-button, .discussion-comment-count, .discussion-delete-action) {
    background: transparent !important;
    border: 0 !important;
  }
}

/* Keep account actions outside the shared heading, which is hidden on small screens. */
.settings-account-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 0 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--ui-line);
  color: var(--ui-muted);
  font-size: 14px;
}
.settings-account-actions .settings-logout-button {
  display: inline-flex !important;
  min-height: 44px;
  align-items: center;
  padding: 8px 16px !important;
  font-size: 14px !important;
  letter-spacing: 0;
}
.discussion-feed-avatar {
  display: none;
}
@media (max-width: 900px) {
  body.discussion-page .discussion-feed-avatar {
    display: inline-flex;
    margin: 2px 3px;
    flex: 0 0 auto;
  }
  body.discussion-page .discussion-post-source .discussion-feed-avatar .discussion-author-link {
    display: inline-flex;
    overflow: visible;
  }
  body.discussion-page .discussion-feed-avatar .discussion-post-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
  }
  body.discussion-page .discussion-post-source {
    overflow: visible;
    align-items: center;
  }
}
@media (min-width: 901px) {
  body.discussion-page .discussion-page-heading {
    display: none;
  }
  body.discussion-page .main-content .discussion-shell {
    padding: 0 !important;
    margin: 0 !important;
  }
  body.discussion-page .discussion-layout:not(.is-detail-view) {
    grid-template-columns: minmax(0, 1fr) 180px !important;
    gap: 28px !important;
  }
  body.discussion-page .discussion-scope {
    gap: 6px;
    margin: 0 0 10px !important;
    padding: 0 !important;
    align-items: center;
  }
  body.discussion-page #discussion-scope-hint {
    display: none;
  }
  body.discussion-page .main-content .discussion-feed-toolbar {
    margin: 0 0 12px !important;
    padding: 6px 0 12px !important;
    min-height: 0 !important;
    border: 0 !important;
    border-bottom: 1px solid var(--ui-line) !important;
    border-radius: 0 !important;
    background: transparent !important;
    gap: 12px;
  }
  body.discussion-page .main-content .discussion-filter-chip {
    min-height: 34px !important;
    padding: 5px 12px !important;
    border: 0 !important;
    font-size: 13px !important;
    border-radius: 7px !important;
  }
  body.discussion-page #discussion-filter-status {
    font-size: 12px;
  }
  body.discussion-page .main-content .discussion-create-toggle {
    min-height: 36px !important;
    padding: 7px 14px !important;
    font-size: 13px !important;
    border-radius: 8px !important;
  }
  body.discussion-page .main-content .discussion-post-list {
    gap: 0 !important;
  }
  body.discussion-page .main-content .discussion-post-card {
    padding: 18px 0 !important;
    overflow: visible;
    gap: 12px !important;
    grid-template-columns: 34px minmax(0, 1fr) !important;
    border: 0 !important;
    border-bottom: 1px solid var(--ui-line) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    transform: none !important;
  }
  body.discussion-page .main-content .discussion-post-card:not(.has-laser-glow) {
    background: transparent !important;
  }
  body.discussion-page .discussion-post-open,
  body.discussion-page .discussion-post-reply-state {
    display: none;
  }
  body.discussion-page .main-content .discussion-post-card-main {
    gap: 6px !important;
  }
  body.discussion-page .main-content .discussion-post-title {
    font-size: 19px !important;
    line-height: 1.5 !important;
    padding: 0 !important;
  }
  body.discussion-page .main-content .discussion-post-source {
    font-size: 12px !important;
    line-height: 1.5;
    gap: 8px;
  }
  body.discussion-page .main-content .discussion-post-excerpt {
    margin: 2px 0 !important;
    font-size: 14px !important;
    line-height: 1.65 !important;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }
  body.discussion-page .main-content .discussion-post-actions {
    margin-top: 3px !important;
    gap: 12px;
  }
  body.discussion-page .main-content :is(.discussion-reaction-button, .discussion-comment-count) {
    min-height: 32px !important;
    padding: 3px 6px !important;
    font-size: 12px !important;
  }
  body.discussion-page .main-content .discussion-stats-sidebar {
    background: transparent !important;
    border: 0 !important;
    padding: 0 0 0 20px !important;
    border-left: 1px solid var(--ui-line) !important;
    border-radius: 0 !important;
  }
  body.discussion-page .main-content .discussion-board-chip {
    min-height: 36px !important;
    padding: 6px 12px !important;
    font-size: 13px !important;
    border: 0 !important;
    border-radius: 7px !important;
  }
}
/* Header avatars use the equipped frame on every page, including narrow viewports. */
body .avatar[data-avatar-frame='frame_orbit'] {
  outline: 2px solid #358d96 !important;
  outline-offset: 3px;
  box-shadow: 0 0 0 6px #d6b36655 !important;
  overflow: visible !important;
}
body .avatar[data-avatar-frame='frame_aurora'] {
  outline: 2px solid #ac8cd8 !important;
  outline-offset: 3px;
  box-shadow: 0 0 0 6px #d6c6ef77 !important;
  overflow: visible !important;
}
body .avatar[data-avatar-frame] .avatar-image {
  border-radius: 50%;
}
body.discussion-page .discussion-comment-author-link .discussion-avatar-frame {
  display: inline-flex;
  overflow: visible;
  border-radius: 50%;
}
@media (max-width: 900px) {
  body:not(.auth-page-body) .mobile-nav-compact .mobile-publish img {
    width: 30px;
    height: 30px;
    padding: 5px 14px;
    box-sizing: content-box;
    border-radius: 24px;
    background: var(--ui-accent);
    opacity: 1;
    filter: none !important;
  }
  body:not(.auth-page-body) .mobile-nav-compact .mobile-publish {
    gap: 1px;
  }
  body.discussion-page .main-content .discussion-scope .discussion-create-toggle {
    display: none !important;
  }
  body.publish-page .mobile-nav.mobile-nav-compact {
    display: none !important;
  }
}
@media (max-width: 900px) {
  body .mobile-theme-toggle,
  body .sidebar-theme-toggle,
  body .notification-bell {
    display: none !important;
  }
  .mobile-tool-action {
    width: 100%;
    border: 0;
    background: transparent;
    text-align: left;
    cursor: pointer;
  }
  .mobile-tools-menu {
    max-height: calc(100dvh - 110px);
    overflow-y: auto;
  }
  .mobile-tools-toggle.has-unread::after {
    content: '';
    position: absolute;
    top: 5px;
    right: 20%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ui-accent);
  }
  body.discussion-page .topbar > .site-search-trigger {
    right: calc(70px + env(safe-area-inset-right, 0px)) !important;
  }
}
@media (max-width: 900px) {
  body .page-shell .topbar .user-panel {
    right: calc(16px + env(safe-area-inset-right, 0px)) !important;
  }
  body.discussion-page .topbar > .site-search-trigger {
    right: calc(78px + env(safe-area-inset-right, 0px)) !important;
  }
}
@media (max-width: 900px) {
  body.mobile-guest .topbar .avatar .avatar-image {
    display: none !important;
  }
  body.mobile-guest .topbar .avatar {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    border: 0 !important;
    border-radius: 12px !important;
    box-shadow: none !important;
    outline: none !important;
    background: var(--ui-surface-soft) !important;
    color: var(--ui-accent) !important;
    min-width: 44px;
    min-height: 44px;
  }
  body.mobile-guest .topbar .avatar::after {
    content: '登录';
    font: 600 14px/1.4 var(--font-ui);
  }
}
@media (max-width: 900px) {
  .mobile-create {
    position: relative;
    min-width: 0;
  }
  body:not(.auth-page-body) .mobile-nav-compact .mobile-create .mobile-publish img {
    width: 30px !important;
    height: 30px !important;
    padding: 12px 17px !important;
    border-radius: 26px !important;
    filter: none !important;
  }
  .mobile-create-menu {
    right: 50%;
    transform: translateX(50%);
    width: 172px;
  }
  .mobile-create-menu::after {
    right: calc(50% - 4px);
  }
  .mobile-create-menu .mobile-tool-link img {
    filter: brightness(0) !important;
  }
  body:not(.theme-light) .mobile-create-menu .mobile-tool-link img {
    filter: brightness(0) invert(1) !important;
  }
}

@media (max-width: 900px) {
  body.theme-light .mobile-create-menu .mobile-tool-link img {
    filter: brightness(0) !important;
  }
}

/* Shared mobile chrome: search and account stay on row one; economy stays on row two. */
.mobile-header-backdrop {
  display: none;
}
@media (max-width: 900px) {
  /* Reading and editing surfaces use the same functional header as the feed. */
  html:has(body.has-mobile-header:not(.max-input-active)) {
    scroll-padding-top: calc(128px + env(safe-area-inset-top, 0px));
  }
  html body.has-mobile-header:not(.max-input-active) .topbar {
    display: contents !important;
  }
  .mobile-header-backdrop {
    display: block;
    position: fixed;
    z-index: 149;
    inset: 0 0 auto;
    height: calc(112px + env(safe-area-inset-top, 0px));
    background: var(--ui-page);
    border-bottom: 1px solid var(--ui-line);
    pointer-events: none;
  }
  body.aichat-page.max-input-active .mobile-header-backdrop {
    display: none;
  }
  body.discussion-page
    .main-content
    .discussion-layout:not(.is-detail-view)
    .discussion-stats-sidebar {
    position: fixed !important;
    z-index: 150;
    top: calc(112px + env(safe-area-inset-top, 0px));
    left: 0;
    right: 0;
    width: auto;
    padding: 0 calc(16px + env(safe-area-inset-right, 0px)) 0
      calc(16px + env(safe-area-inset-left, 0px)) !important;
    background: var(--ui-page) !important;
  }
  body.discussion-page:has(.discussion-layout:not(.is-detail-view)) .main-content.settings-main {
    padding-top: calc(172px + env(safe-area-inset-top, 0px)) !important;
  }
  .mobile-menu-label {
    margin: 5px 10px 3px;
    color: var(--ui-muted);
    font: 700 11px/1.4 var(--font-ui);
    letter-spacing: 0.08em;
  }
  .mobile-learning-menu {
    right: 50%;
    transform: translateX(50%);
    width: 202px;
  }
  .mobile-learning-menu::after {
    right: calc(50% - 4px);
  }
  body:not(.auth-page-body) .main-content::before {
    content: '' !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: calc(112px + env(safe-area-inset-top, 0px)) !important;
    padding: 0 !important;
    border: 0 !important;
    border-bottom: 1px solid var(--ui-line) !important;
    background: var(--ui-page) !important;
  }
  body:not(.auth-page-body) .topbar > .site-search-trigger {
    z-index: 152 !important;
    top: calc(10px + env(safe-area-inset-top, 0px)) !important;
    left: calc(16px + env(safe-area-inset-left, 0px)) !important;
    right: calc(78px + env(safe-area-inset-right, 0px)) !important;
    width: auto !important;
    height: 44px !important;
    justify-content: flex-start !important;
    gap: 8px;
    padding: 0 14px !important;
    border-radius: 24px !important;
    background: var(--ui-input) !important;
    color: var(--ui-muted) !important;
  }
  body:not(.auth-page-body) .site-search-trigger span {
    display: inline !important;
    overflow: hidden;
    font-size: 14px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  body:not(.auth-page-body) .topbar .user-panel {
    top: calc(10px + env(safe-area-inset-top, 0px)) !important;
    right: calc(16px + env(safe-area-inset-right, 0px)) !important;
  }
  body:not(.auth-page-body) .user-economy-stack,
  body:not(.auth-page-body).discussion-page .user-economy-stack {
    position: fixed !important;
    top: calc(64px + env(safe-area-inset-top, 0px)) !important;
    left: calc(14px + env(safe-area-inset-left, 0px)) !important;
    right: calc(14px + env(safe-area-inset-right, 0px)) !important;
    z-index: 151 !important;
    display: flex !important;
    width: auto !important;
    height: 44px;
    padding: 4px 0 8px !important;
    overflow-x: auto;
    background: var(--ui-page) !important;
    scrollbar-width: none;
  }
  body:not(.auth-page-body) .user-economy-stack::-webkit-scrollbar {
    display: none;
  }
  body:not(.auth-page-body) .main-content,
  body:not(.auth-page-body).discussion-page .main-content,
  body.home-page .landing-main {
    padding-top: calc(128px + env(safe-area-inset-top, 0px)) !important;
  }
  body.discussion-page .main-content .discussion-post-card.has-laser-glow .discussion-post-preview {
    height: 168px !important;
    min-height: 0 !important;
    max-height: 168px !important;
    align-self: flex-start;
  }
  body.discussion-page
    .main-content
    .discussion-post-card.has-laser-glow
    .discussion-post-preview
    :is(img, svg, span) {
    height: 168px !important;
    max-height: 168px !important;
  }
}

@media (min-width: 901px) {
  body.publish-page .publish-mobile-header,
  body.publish-page > .mobile-header-backdrop {
    display: none !important;
  }
}

@media (max-width: 900px) {
  body.publish-page .publish-editor {
    padding-top: calc(128px + env(safe-area-inset-top, 0px)) !important;
  }

  /* Max keeps its history control beside search, above the opaque header. */
  body.aichat-page .topbar > .aichat-dialog-toggle {
    z-index: 152;
  }
  body.aichat-page .topbar > .site-search-trigger {
    left: calc(62px + env(safe-area-inset-left, 0px)) !important;
  }

  /* Immersive readers must not paint over the shared header. Their own controls
     start below it, while full-screen dialogs retain their native top layer. */
  body.has-mobile-header .course-material-immersive {
    z-index: 0;
    padding-top: calc(180px + env(safe-area-inset-top, 0px));
  }
  body.has-mobile-header .course-material-back {
    top: calc(124px + env(safe-area-inset-top, 0px));
  }
  body.has-mobile-header .knowledge-tools {
    top: calc(180px + env(safe-area-inset-top, 0px));
    overflow-y: auto;
  }
  body.has-mobile-header .knowledge-workbench .knowledge-chat {
    top: calc(112px + env(safe-area-inset-top, 0px));
    height: calc(100dvh - 112px - env(safe-area-inset-top, 0px));
  }
  body.has-mobile-header .knowledge-chat-panel {
    height: 100%;
  }
  body.has-mobile-header :is(.course-map-immersive, .course-map-editor-immersive) {
    z-index: 0;
    top: calc(112px + env(safe-area-inset-top, 0px));
    height: calc(100dvh - 112px - env(safe-area-inset-top, 0px));
  }
  body.has-mobile-header
    :is(.course-map-immersive, .course-map-editor-immersive)
    .course-map-scroller {
    height: 100%;
  }
  body.has-mobile-header
    :is(.course-map-reader-controls, .course-map-reader-hud, .course-map-studio-bar) {
    top: calc(124px + env(safe-area-inset-top, 0px));
  }
}