/* The phone workspace has its own navigation, density and action layout. */
@media (max-width: 760px) {
  :root {
    --mobile-topbar-height: 52px;
    --mobile-bottom-height: 58px;
  }

  body { font-size: 14px; }
  button { min-height: 36px; padding: 0 10px; font-size: 13px; }
  input, select { min-height: 38px; height: 38px; font-size: 16px; }
  textarea { font-size: 16px; }
  button:focus-visible, a:focus-visible {
    outline: 2px solid var(--brand-blue);
    outline-offset: 2px;
  }

  .app-shell { padding-bottom: calc(var(--mobile-bottom-height) + env(safe-area-inset-bottom) + 8px); }
  .topbar { min-height: var(--mobile-topbar-height); padding: 6px 12px; gap: 12px; }
  .brand-logo { width: 128px; }
  .mobile-view-title {
    display: block !important;
    min-width: 0;
    overflow: hidden;
    font-size: 13px;
    font-weight: 650;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--muted);
  }
  .topbar-actions { flex: 0 0 auto; margin-left: auto; }
  .mobile-menu-toggle.mobile-only { width: 36px; min-width: 36px; min-height: 36px; box-shadow: none; }

  .mobile-bottom-nav.mobile-only {
    position: fixed;
    inset: auto 0 0;
    z-index: 19;
    display: grid !important;
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    min-height: calc(var(--mobile-bottom-height) + env(safe-area-inset-bottom));
    padding: 3px 8px calc(3px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.98);
  }
  .mobile-bottom-nav button {
    display: grid;
    place-content: center;
    justify-items: center;
    gap: 3px;
    min-width: 0;
    min-height: 50px;
    padding: 3px;
    border: 0;
    background: transparent;
    color: var(--muted);
    font-size: 11px;
  }
  .mobile-bottom-nav svg { width: 20px; height: 20px; }
  .mobile-bottom-nav button[aria-current="page"],
  .mobile-bottom-nav button[aria-expanded="true"] { color: var(--brand-blue-strong); background: #f1f7ff; border-radius: 8px; }
  body.article-drawer-open .mobile-bottom-nav.mobile-only,
  body.mobile-keyboard-open .mobile-bottom-nav.mobile-only { display: none !important; }
  body.article-drawer-open .app-shell { padding-bottom: env(safe-area-inset-bottom); }

  .mobile-menu-panel.mobile-only {
    top: calc(var(--mobile-topbar-height) + 6px);
    right: max(8px, env(safe-area-inset-right));
    left: max(8px, env(safe-area-inset-left));
    width: auto;
    max-width: 540px;
    margin-left: auto;
    max-height: calc(100dvh - var(--mobile-topbar-height) - 18px - env(safe-area-inset-bottom));
    gap: 12px;
    padding: 12px;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 14px 45px rgba(15, 49, 88, 0.16);
    scrollbar-width: thin;
  }
  .mobile-menu-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding-bottom: 10px;
    border-bottom: 1px solid #edf1f6;
  }
  .mobile-menu-head strong { display: block; font-size: 17px; line-height: 1.4; }
  .mobile-menu-head span { display: block; margin-top: 2px; font-size: 11px; color: var(--muted); }
  .mobile-menu-panel #closeMobileMenuBtn {
    width: 32px; min-height: 32px; padding: 0;
    display: grid; place-items: center;
    border: 0; background: #f3f6fa; font-size: 24px; font-weight: 400;
  }
  .mobile-menu-section { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .mobile-menu-title { grid-column: 1 / -1; padding: 0 1px; font-size: 11px; line-height: 16px; font-weight: 600; }
  .mobile-menu-panel .mobile-nav-btn,
  .mobile-menu-panel .mobile-menu-action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-width: 0;
    min-height: 38px;
    padding: 4px;
    border-color: transparent;
    border-radius: 7px;
    background: #f4f7fb;
    color: #334155;
    font-size: 12px;
    font-weight: 500;
    text-align: center;
    white-space: normal;
    line-height: 1.3;
    overflow-wrap: anywhere;
  }
  .mobile-menu-panel .mobile-nav-btn.active-mobile-tab { border-color: #cce0ff; background: #eaf3ff; color: var(--brand-blue-strong); font-weight: 700; }
  .mobile-menu-panel .mobile-menu-action { background: #edf9fa; }

  /* Keep the list header useful without sideways scrolling or oversized controls. */
  .review-list-header { grid-template-columns: minmax(0, 1fr) auto; padding: 10px 12px; gap: 8px; }
  .article-head-title { grid-column: 1; display: grid; gap: 2px; }
  .article-head-title h2 { font-size: 15px; }
  .article-head-title .head-subtle { max-width: 100%; font-size: 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .article-head-tools { display: contents; }
  .article-actions { grid-column: 2; grid-row: 1; align-self: center; }
  .article-actions button { min-height: 32px; font-size: 12px; }
  #articleFilterTabs {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
    overflow: visible;
    border: 0;
    background: transparent;
  }
  #articleFilterTabs .filter-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3px;
    min-width: 0;
    min-height: 30px;
    padding: 0 7px;
    border: 1px solid #e3eaf2;
    border-radius: 6px;
    font-size: 11px;
    background: #f8fafc;
  }
  #articleFilterTabs .active-filter { border-color: #b8d6ff; background: #edf5ff; color: var(--brand-blue-strong); box-shadow: none; }
  #articleFilterTabs [data-mobile-count] { font-size: 0; font-weight: 650; }
  #articleFilterTabs [data-mobile-count]::after { content: attr(data-mobile-count); font-size: 10px; }
  #reviewView > .articles-panel { margin: 8px; }
  #reviewView > .articles-panel > .panel-head { min-height: 38px; padding: 8px 10px; }
  #reviewView > .articles-panel > .panel-head h2 { font-size: 13px; }
  #reviewView > .articles-panel > .panel-head .head-subtle { display: none; }
  .article-list, .article-list.table-mode, .article-list.card-mode { gap: 6px; padding: 6px; }
  .article-list.table-mode .article-row, .article-list.card-mode .article-row { min-height: 0; padding: 10px; gap: 5px 6px; }
  .article-list .article-title { font-size: 14px; line-height: 1.5; }
  .article-list .article-title-cell small { display: none; }
  .article-date { font-size: 11px; }
  .article-list .article-status-cell { gap: 5px; }
  .article-list .article-status-cell:empty { display: none; }
  .pill { padding: 3px 6px; font-size: 10px; }
  .article-list-footer { min-height: 46px; padding: 6px 10px; gap: 8px; }
  .article-list-footer button { min-height: 34px; }

  /* A compact reading header and one row of actions for comment details. */
  .article-detail-nav { padding: 6px 10px; gap: 6px; }
  .article-detail-nav button { min-height: 32px; padding: 0 9px; font-size: 12px; }
  .article-detail-neighbors { gap: 6px; }
  .article-detail-drawer .panel-head { gap: 8px; padding: 10px 12px; }
  #draftTitle { font-size: 16px; line-height: 1.45; margin: 0; -webkit-line-clamp: 3; }
  .article-detail-drawer .post-link { display: inline-flex; align-items: center; margin-top: 4px; font-size: 0; line-height: 18px; }
  .article-detail-drawer .post-link[href]::before { content: "查看原文 ↗"; font-size: 11px; }
  .article-detail-drawer .panel-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
  .article-detail-drawer .panel-actions button { min-height: 34px; padding: 0 6px; font-size: 12px; }
  .article-detail-drawer #generateSelectedBtn { grid-column: auto; }
  .draft-list { padding: 8px; }
  .draft-card { margin-bottom: 8px; }
  .draft-card header { padding: 9px 10px 0; }
  .draft-card .body { padding: 8px 10px 10px; gap: 8px; }
  .draft-meta { gap: 5px; font-size: 11px; }
  .draft-meta strong { font-size: 12px; }
  .draft-card textarea { min-height: 112px; padding: 9px; font-size: 16px; line-height: 1.65; }
  .draft-actions { grid-template-columns: minmax(0, 1fr) 66px; gap: 6px; }
  .draft-actions .publish-btn { min-height: 36px; padding: 0 8px; font-size: 12px; }

  /* Forms, report controls and card tools use compact rows across modules. */
  .panel-head { min-height: 44px; padding: 10px; gap: 8px; }
  .panel h2 { font-size: 15px; }
  .panel-actions, .form-actions, .model-actions, .profile-actions {
    display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  }
  .panel-actions button, .form-actions button, .model-actions button, .profile-actions button {
    width: auto; min-width: 0; min-height: 36px; flex: 0 1 auto; padding: 0 10px; font-size: 12px;
  }
  .profile-actions button { flex-grow: 1; }
  .model-form, .profile-grid { padding: 10px; gap: 10px; }
  .model-form label { gap: 5px; font-size: 12px; }
  .article-filter-field input, .article-filter-field select { min-height: 38px; }
  .article-filter-field { padding-top: 8px; }
  .article-option-menu { bottom: calc(var(--mobile-bottom-height) + env(safe-area-inset-bottom) + 8px); }
  .knowledge-panel > .panel-head { gap: 7px; }
  .knowledge-view-switch { flex: 1; }
  #knowledgeView .knowledge-view-btn, #knowledgeView .knowledge-card-actions button { min-height: 34px; font-size: 12px; }
  .knowledge-card-actions, .knowledge-article-cards .knowledge-card-actions, .knowledge-image-card-actions { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 5px; }
  .knowledge-card-actions button, .knowledge-image-card-actions button { min-height: 34px; padding: 0 4px; font-size: 12px; }
  .knowledge-filter-bar { padding: 10px; gap: 7px; }
  .knowledge-filter-bar button { min-height: 38px; }
  .article-intelligence-admin-card { gap: 8px; padding: 10px; }
  .article-intelligence-admin-copy h3 { font-size: 14px; line-height: 1.5; }
  .article-intelligence-admin-copy p, .article-intelligence-admin-meta { font-size: 10px; line-height: 1.5; }
  .article-intelligence-admin-actions { display: flex; flex-wrap: wrap; gap: 6px; }
  .article-intelligence-admin-actions > * { min-height: 32px; padding: 0 9px; font-size: 11px; flex: 0 1 auto; }
  .article-intelligence-page-jump input { width: 52px; min-width: 0; }
  .article-intelligence-pagination-actions { gap: 6px; }
  .article-intelligence-pagination-actions button { min-height: 34px; font-size: 12px; }
  .ranking-range-tabs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .ranking-range-tabs button { min-height: 34px; padding: 0 5px; font-size: 12px; }
  .ranking-card-actions { display: flex; flex-wrap: wrap; gap: 6px; }
  .ranking-card-actions button, .ranking-link-btn { width: auto; min-height: 34px; font-size: 12px; }
  .quiz-set-actions { display: flex; flex-wrap: wrap; gap: 6px; }
  .quiz-set-actions button { width: auto; min-width: 0; min-height: 34px; flex: 0 1 auto; font-size: 12px; }
  .ai-task-actions button, .ai-task-failure-actions button { flex: 0 1 auto; min-height: 34px; font-size: 12px; }

  .modal { padding-bottom: env(safe-area-inset-bottom); }
  .modal-card { max-height: calc(100dvh - 60px - env(safe-area-inset-bottom)); border-radius: 14px 14px 0 0; }
  .modal-card > .panel-head { position: sticky; top: 0; z-index: 2; background: #fff; padding: 10px 12px; }
  .modal-card > .panel-head h2 { font-size: 15px; line-height: 1.45; }
  .modal-card .form-actions { justify-content: flex-end; }
  .knowledge-card-detail-card { display: block; width: 100%; overflow: auto; }
  #knowledgeCardDetailTitle { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .knowledge-card-detail-body { overflow: visible; padding: 12px; }
  .knowledge-card-detail-body h3 { font-size: 17px; line-height: 1.5; }
  .knowledge-card-detail-actions { position: sticky; bottom: 0; z-index: 2; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 5px; padding: 8px 10px; background: #fff; }
  .knowledge-card-detail-actions button { min-width: 0; min-height: 34px; padding: 0 4px; font-size: 11px; }
  .toast { left: 10px; right: 10px; bottom: calc(var(--mobile-bottom-height) + env(safe-area-inset-bottom) + 10px); max-width: none; padding: 10px 12px; font-size: 12px; }
  body.article-drawer-open .toast, body.mobile-keyboard-open .toast { bottom: calc(env(safe-area-inset-bottom) + 10px); }
}

@media (max-width: 360px) {
  .topbar { gap: 8px; padding-right: 10px; padding-left: 10px; }
  .brand-logo { width: 112px; }
  .mobile-view-title { font-size: 12px; }
  .mobile-menu-panel.mobile-only { padding: 10px; gap: 10px; }
  .mobile-menu-section { gap: 5px; }
  .mobile-menu-panel .mobile-nav-btn { font-size: 11px; }
}