/* 工作侧栏：常驻助手下依次是置顶、项目树和最近，无额外临时分区。 */
.work-sidebar-section { flex: none; margin-bottom: 20px; }
.work-section-heading { display: flex; align-items: center; gap: 6px; padding: 0 4px 7px; }
.work-section-toggle { display: flex; align-items: center; gap: 6px; flex: 1; min-width: 0; min-height: 32px; padding: 4px; border: 0; border-radius: 8px; background: transparent; color: var(--ink-3); text-align: left; font-size: 12.5px; }
.work-section-toggle svg { flex: none; }
.work-section-toggle:hover { color: var(--ink); background: var(--surface-3); }
.work-section-content[hidden], .work-project-chats[hidden] { display: none; }
.work-project { margin-bottom: 12px; }
.work-project-row { display: flex; align-items: center; min-height: 38px; border-radius: 9px; gap: 2px; }
.work-project-row:hover, .work-project-row:focus-within { background: var(--surface-3); }
.work-project-main { display: flex; align-items: center; gap: 8px; min-width: 0; flex: 1; min-height: 38px; padding: 6px 8px; background: none; border: 0; border-radius: 9px; color: var(--ink-2); text-align: left; }
.work-project-main svg { flex: none; }
.work-project-name { min-width: 0; flex: 1; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 13px; }
.work-project-actions { display: flex; align-items: center; opacity: 0; padding-right: 2px; }
.work-project-row:hover .work-project-actions, .work-project-row:focus-within .work-project-actions { opacity: 1; }
.work-project-chats { padding-left: 26px; }
.work-history .sess-list { margin: 0; padding: 0; }
.work-history-empty { margin: 0; padding: 7px 10px; color: var(--ink-3); font-size: 12.5px; line-height: 1.6; }
.work-history-more { display: block; min-height: 32px; padding: 6px 10px; border: 0; border-radius: 8px; background: transparent; color: var(--ink-3); font-size: 12.5px; text-align: left; }
.work-history-more:hover { background: var(--surface-3); color: var(--ink); }
#newWorkChat { justify-content: flex-start; margin-bottom: 4px; border: 0; background: transparent; box-shadow: none; }
#newWorkChat svg { color: var(--ink-2); }
#newWorkChat:hover { background: var(--surface-3); }
.project-context { font-size: 12px; color: var(--ink-3); max-width: 200px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.project-context::after { content: '/'; display: inline-block; margin: 0 10px; color: var(--line-strong); }
.project-context[hidden] { display: none; }
.chat-sidebar-toggle { display: none; }
.project-form .field { margin-top: 20px; }
.project-form .modal-text { margin-bottom: 0; }
.composer[data-dictating="true"] { border-color: var(--accent-ink); }
.composer[data-dictating="true"] #micBtn { background: var(--accent-soft); color: var(--accent-ink); }
@media (max-width: 860px) {
  .chat-sidebar-toggle { display: grid; flex: none; }
  .app[data-sidebar-open="true"] .sidebar { display: flex !important; position: fixed; top: 0; bottom: 0; left: var(--rail-w); z-index: 45; width: min(300px, calc(100vw - var(--rail-w) - 30px)); box-shadow: var(--shadow-2); }
  .app[data-sidebar-open="true"] .scrim { display: block; position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,.3); }
  .project-context { max-width: 110px; }
  .work-project-actions { opacity: 1; }
  .work-section-heading .sess-act, .work-project-actions .sess-act { width: 34px; height: 40px; }
  .work-history .sess-acts { opacity: 1; }
  .work-project-main { min-height: 42px; }
}
@media (max-width: 560px) {
  .app[data-sidebar-open="true"] .sidebar { left: 0; width: min(300px, calc(100vw - 36px)); }
  .page--chat .topbar { padding-left: 12px; gap: 4px; }
  .project-context { max-width: 95px; }
  .project-context::after { margin: 0 5px; }
}