/* Conversation workspace: quieter chrome and room for interactive replies. */
#sidebar { width: 270px; min-width: 270px; }
#side-top { padding: 18px 14px 12px; }
#tools-disclosure, #saved-messages { display: block; width: 100%; text-align: left; background: none; border: 0; padding: 10px 8px; border-radius: 8px; cursor: pointer; color: var(--text-2); font-size: 13px; }
#tools-disclosure:hover, #saved-messages:hover { background: var(--fill); color: var(--text); }
#tools-disclosure::after { content: '⌄'; float: right; }
#tools-disclosure[aria-expanded=true]::after { content: '⌃'; }
.msg-col { max-width: 850px; }
.prose .md { font-size: 16px; line-height: 1.75; }
.prose { margin-bottom: 30px; }
.thread-item, .steered-message { display: flex; flex-direction: column; min-width: 0; }
.message-tools { display: flex; gap: 4px; flex-wrap: wrap; margin: 8px 0 4px; opacity: .75; }
.message-tools button, .queued-item button, #send-options button, #context-drawer button { background: transparent; border: 0; border-radius: 7px; padding: 5px 8px; color: var(--text-2); cursor: pointer; font-size: 12px; }
.message-tools button:hover, .message-tools button[aria-pressed=true] { background: var(--fill); color: var(--text); }
.bubble.user .message-tools { justify-content: flex-end; }
.message-editor textarea, .queued-item textarea { width: 100%; min-height: 90px; background: var(--panel); color: var(--text); border: 1px solid var(--hairline); border-radius: 10px; padding: 12px; font: inherit; resize: vertical; }
.message-editor .edit-submit { background: var(--accent); color: var(--on-accent); }
#settings-strip { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; border-bottom: 1px solid var(--hairline); padding: 8px 24px; }
.settings-summary { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 8px; background: var(--fill-2); color: var(--text-2); border: 1px solid var(--hairline); border-radius: 10px; padding: 7px 10px; font-size: 12px; cursor: pointer; }
.settings-summary b { color: var(--text); font-weight: 550; }
.settings-summary span:not(.dot)::before { content: '·'; margin-right: 8px; color: var(--text-3); }
#context-button { margin-left: auto; background: none; border: 0; font-size: 12px; color: var(--text-2); cursor: pointer; padding: 8px; }
#context-drawer { padding: 16px 24px; border-bottom: 1px solid var(--hairline); background: var(--side-bg); overflow-y: auto; max-height: 50vh; }
.context-head { display: flex; justify-content: space-between; align-items: center; }
#context-drawer pre { white-space: pre-wrap; overflow-wrap: anywhere; max-height: 250px; overflow: auto; font-size: 12px; }
#context-drawer details { margin: 12px 0; }
#context-drawer p, #context-drawer li { font-size: 13px; }
#work-progress { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; padding: 10px 24px; font-size: 12px; }
#work-progress b { font-weight: 550; }
.work-plan { flex-basis: 100%; } .work-plan li { margin: 5px 0; }
.progress-pulse { width: 7px; height: 7px; background: var(--accent); border-radius: 50%; animation: progress-fade 1.5s ease-in-out infinite; }
@keyframes progress-fade { 50% { opacity: .35; } }
#send-options { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 7px 12px; font-size: 12px; }
#send-options #steer-now { background: var(--accent); color: var(--on-accent); }
#queue-tray { max-height: 200px; overflow: auto; padding: 5px; }
.queued-item { display: flex; gap: 8px; align-items: center; margin: 4px 0; padding: 7px 10px; background: var(--fill-2); border: 1px solid var(--hairline); border-radius: 12px; font-size: 12px; }
.queued-item > span { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.search-controls select { background: var(--panel); color: var(--text); border: 1px solid var(--hairline); padding: 8px; border-radius: 8px; max-width: 240px; }
.chat-search-hit { display: block; text-decoration: none; color: var(--text); border-bottom: 1px solid var(--hairline); padding: 18px; }
.chat-search-hit:hover { background: var(--fill-2); }
.chat-search-hit p { white-space: pre-wrap; overflow-wrap: anywhere; }
.inline-preview { margin: 20px 0; min-width: 0; width: 100%; overflow: hidden; border: 1px solid var(--hairline); border-radius: 16px; background: var(--panel); }
.preview-caption { display: flex; align-items: center; justify-content: space-between; padding: 9px 14px; border-bottom: 1px solid var(--hairline); color: var(--text-2); font-size: 12px; gap: 12px; }
.preview-caption > span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.preview-caption button { background: none; color: var(--text); padding: 5px; border: 0; cursor: pointer; font-size: 12px; flex-shrink: 0; }
.preview-mount { min-height: 140px; }
.preview-mount > .muted { display: block; padding: 22px; }
.preview-frame { display: block; width: 100%; height: 420px; border: 0; background: var(--panel); }
.preview-image { display: block; max-width: 100%; height: auto; margin: auto; }
.preview-file { padding: 28px; color: var(--text); }
.preview-file a { color: var(--blue); }
#artifact-sheet[data-workspace] { --preview-width: 48vw; position: relative; inset: auto; z-index: 30; flex: 0 0 var(--preview-width); width: var(--preview-width); min-width: 340px; display: flex; align-items: stretch; justify-content: flex-start; flex-direction: column; background: var(--panel); padding: 0; backdrop-filter: none; border-left: 1px solid var(--hairline); }
#artifact-sheet[data-workspace].preview-full { position: fixed; inset: 0; z-index: 80; width: 100%; border: 0; }
.preview-header { display: flex; align-items: center; gap: 8px; padding: 15px 16px; border-bottom: 1px solid var(--hairline); }
.preview-header .grow { flex: 1; }
.preview-header button, .preview-tools button { border: 0; border-radius: 7px; padding: 7px 10px; background: var(--fill-2); cursor: pointer; font-size: 12px; white-space: nowrap; }
.preview-tools button:hover, .preview-header button:hover { background: var(--fill); }
.preview-tools { position: relative; display: flex; align-items: center; flex-wrap: wrap; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--hairline); }
.preview-tools select { font: inherit; font-size: 12px; border: 1px solid var(--hairline); padding: 6px; border-radius: 7px; background: var(--panel); color: var(--text); }
.preview-tabs { display: flex; overflow-x: auto; gap: 5px; padding: 6px 12px 0; border-bottom: 1px solid var(--hairline); flex-shrink: 0; }
.preview-tab { display: flex; min-width: 0; flex-shrink: 0; align-items: center; border-bottom: 2px solid transparent; }
.preview-tab.active { border-color: var(--accent); }
.preview-tab button { border: 0; background: none; cursor: pointer; font-size: 12px; padding: 9px 7px; color: var(--text-2); }
.preview-tab button[role=tab] { max-width: 210px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.preview-tab.active button { color: var(--text); }
.preview-stage { flex: 1; min-height: 0; overflow: auto; background: var(--fill-2); }
.preview-tab-content { height: 100%; min-height: 280px; overflow: auto; }
.preview-tab-content iframe { min-height: 100%; height: 100%; max-width: none; margin: 0 auto; }
.preview-source { flex: 1; min-height: 0; overflow: auto; margin: 0; padding: 20px; white-space: pre; font-size: 12px; background: var(--code-bg); }
.preview-divider { position: absolute; left: -5px; top: 0; bottom: 0; width: 9px; cursor: col-resize; z-index: 5; touch-action: none; }
.preview-divider:hover, .preview-divider:focus-visible { background: var(--accent); opacity: .4; }
.preview-full .preview-divider { display: none; }
#artifact-sheet.resizing iframe { pointer-events: none; }
#app.preview-open #sidebar { width: 220px; min-width: 220px; }
#app.preview-open #main { min-width: 340px; }
#app.preview-open .msg-col { padding-left: 20px; padding-right: 20px; }
button:focus-visible, select:focus-visible, .preview-divider:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (max-width: 1200px) and (min-width: 861px) { #app.preview-open #sidebar { display: none; } }
@media (max-width: 860px) {
  #artifact-sheet[data-workspace] { position: fixed; inset: 0; width: 100%; min-width: 0; z-index: 80; padding-top: env(safe-area-inset-top); padding-bottom: env(safe-area-inset-bottom); }
  .preview-divider, #preview-full { display: none; }
  .preview-header { padding: 9px 12px; }
  .preview-tools { padding: 8px; gap: 4px; }
  .preview-tools button, .preview-header button, .preview-tools select { min-height: 40px; }
  .inline-preview { margin: 14px 0; border-radius: 12px; }
  .preview-caption button { min-height: 38px; }
  #settings-strip { gap: 5px; padding: 6px 12px; }
  .settings-summary { gap: 5px; font-size: 11px; padding: 6px 8px; }
  .settings-summary span:not(.dot)::before { margin-right: 5px; }
  .message-tools { opacity: 1; }
  .message-tools button { min-height: 36px; }
  #work-progress { padding: 6px 14px; }
  #context-drawer { padding: 12px; }
  .prose .md { font-size: 15px; line-height: 1.7; }
  .search-controls select { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) { .progress-pulse { animation: none; } }

@media (max-width:760px) { #sidebar { width:100%; min-width:0; } .message-editor textarea, .queued-item textarea { font-size:16px; } }