/*
 * Public presentation mode for the real Wordex Taskpane.
 * The DOM vocabulary, visual tokens and edit-card hierarchy mirror
 * the production Taskpane sources.
 * Office.js and document access are intentionally not loaded here.
 */

.taskpane-preview {
  --bg-primary: #ffffff;
  --bg-secondary: #f7f7f8;
  --bg-card: #ffffff;
  --bg-input: #f3f2f1;
  --bg-hover: rgb(16 110 190 / 8%);
  --accent: #106ebe;
  --accent-hover: #005a9e;
  --accent-glow: rgb(16 110 190 / 20%);
  --accent-softer: rgb(16 110 190 / 6%);
  --accent-soft: rgb(16 110 190 / 12%);
  --text-primary: #323130;
  --text-secondary: #605e5c;
  --text-muted: #a19f9d;
  --border: rgb(0 0 0 / 8%);
  --border-accent: rgb(16 110 190 / 30%);
  --success: #107c41;
  --error: #a80000;
  --surface-1: rgb(0 0 0 / 2%);
  --surface-2: rgb(0 0 0 / 4%);
  --surface-3: rgb(0 0 0 / 6%);
  --diff-added-bg: rgb(16 124 65 / 15%);
  --diff-removed-bg: rgb(168 0 0 / 15%);
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 4%);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.2s ease;
  --transition-fast: 0.12s ease;
  min-width: 0;
  height: 100%;
  min-height: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: "SF Pro Text", "Segoe UI", "PingFang SC", "Microsoft YaHei UI", sans-serif;
  font-size: 13px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.taskpane-preview *,
.taskpane-preview *::before,
.taskpane-preview *::after {
  box-sizing: border-box;
}

.taskpane-preview [hidden] {
  display: none !important;
}

.taskpane-preview .taskpane-host-actions {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.taskpane-preview .taskpane-demo-label {
  padding: 1px 5px;
  border: 1px solid rgb(73 73 73 / 18%);
  border-radius: 999px;
  background: #ffffff;
  color: #666666;
  font-size: 8.5px;
  font-weight: 550;
  line-height: 1.45;
}

.taskpane-preview .taskpane-app {
  display: flex;
  overflow: hidden;
  width: 100%;
  height: 100%;
  flex-direction: column;
  background: var(--bg-primary);
}

.taskpane-preview #header {
  display: flex;
  min-height: 39px;
  align-items: center;
  justify-content: flex-start;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
  flex-shrink: 0;
}

.taskpane-preview #header-left {
  display: flex;
  align-items: center;
  gap: 4px;
}

.taskpane-preview .icon-btn {
  display: flex;
  width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
}

.taskpane-preview .icon-btn:disabled,
.taskpane-preview .input-icon-btn:disabled,
.taskpane-preview .diff-cards-toggle-btn:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.taskpane-preview #main-container {
  position: relative;
  overflow: hidden;
  min-height: 0;
  flex: 1;
}

.taskpane-preview .view {
  display: none;
  height: 100%;
  flex-direction: column;
}

.taskpane-preview .view.active,
.taskpane-preview #view-chat {
  display: flex;
}

.taskpane-preview #chat-session-header {
  display: flex;
  min-height: 34px;
  align-items: center;
  padding: 5px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
  flex-shrink: 0;
  gap: 6px;
}

.taskpane-preview .chat-title-icon {
  color: var(--accent);
  opacity: 0.8;
  flex-shrink: 0;
}

.taskpane-preview #chat-session-title {
  overflow: hidden;
  min-width: 0;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.taskpane-preview .document-status-pill {
  display: inline-flex;
  overflow: hidden;
  min-width: 0;
  max-width: 52%;
  align-items: center;
  margin-left: auto;
  padding: 2px 7px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 16px;
  gap: 5px;
  white-space: nowrap;
}

.taskpane-preview .document-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  flex: 0 0 auto;
}

.taskpane-preview .document-status-name {
  overflow: hidden;
  min-width: 0;
  text-overflow: ellipsis;
}

.taskpane-preview #messages-wrapper {
  position: relative;
  display: flex;
  overflow: hidden;
  min-height: 0;
  flex: 1;
  flex-direction: column;
}

.taskpane-preview #messages-container {
  display: flex;
  overflow-y: auto;
  min-height: 0;
  padding: 9px 10px;
  flex: 1;
  flex-direction: column;
  scrollbar-color: rgb(0 0 0 / 15%) transparent;
  scrollbar-width: thin;
}

.taskpane-preview #messages-list {
  display: flex;
  min-height: 100%;
  flex: 1;
  flex-direction: column;
  gap: 12px;
}

.taskpane-preview .message {
  position: relative;
  display: flex;
  gap: 8px;
}

.taskpane-preview .message.user {
  justify-content: flex-start;
  flex-direction: row-reverse;
}

.taskpane-preview .message.user .user-message-stack {
  display: flex;
  max-width: 88%;
  flex-direction: column;
  align-items: flex-end;
}

.taskpane-preview .message.user .bubble {
  max-width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-2);
  color: var(--text-primary);
  box-shadow: none;
  font-size: 12px;
  line-height: 1.5;
}

.taskpane-preview .message.assistant .bubble {
  width: 100%;
  max-width: 100%;
  padding: 2px 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.taskpane-preview .message.assistant .bubble-content {
  padding: 0;
  color: var(--text-primary);
  font-size: 12px;
  line-height: 1.6;
}

.taskpane-preview .message.assistant .bubble-content p {
  margin: 0;
}

.taskpane-preview .assistant-process-disclosure {
  width: 100%;
  margin: 0 0 10px;
  overflow-anchor: none;
}

.taskpane-preview .assistant-process-summary {
  display: block;
  min-height: 18px;
  outline: none;
  cursor: pointer;
  list-style: none;
}

.taskpane-preview .assistant-process-summary::-webkit-details-marker {
  display: none;
}

.taskpane-preview .assistant-process-overview,
.taskpane-preview .assistant-process-overview-card,
.taskpane-preview .assistant-process-overview-lede,
.taskpane-preview .assistant-process-overview-segments,
.taskpane-preview .assistant-process-overview-meta {
  display: block;
}

.taskpane-preview .assistant-process-overview-lede {
  margin: 0 1px 8px;
  color: var(--text-primary);
  font-size: 11.5px;
  line-height: 1.55;
}

.taskpane-preview .assistant-process-overview-lede.is-running::after {
  display: inline-block;
  width: 14px;
  height: 4px;
  margin-left: 4px;
  border-radius: 999px;
  background: radial-gradient(circle, currentColor 1.2px, transparent 1.45px) 0 50% / 5px 4px repeat-x;
  content: "";
  opacity: 0.38;
  vertical-align: 1px;
}

.taskpane-preview .assistant-process-overview-card,
.taskpane-preview .assistant-process-panel {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: 0 4px 14px rgb(31 31 31 / 6%);
}

.taskpane-preview .assistant-process-overview-card {
  padding: 10px 11px 9px;
}

.taskpane-preview .assistant-process-overview-header,
.taskpane-preview .assistant-process-overview-meta,
.taskpane-preview .assistant-process-overview-action,
.taskpane-preview .assistant-process-expanded-summary {
  display: flex;
  align-items: center;
}

.taskpane-preview .assistant-process-overview-header,
.taskpane-preview .assistant-process-overview-meta {
  justify-content: space-between;
  gap: 8px;
}

.taskpane-preview .assistant-process-overview-title {
  overflow: hidden;
  min-width: 0;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.taskpane-preview .assistant-process-overview-badge {
  flex: 0 0 auto;
  padding: 1px 6px;
  border: 1px solid var(--border-accent);
  border-radius: 999px;
  background: var(--accent-softer);
  color: var(--accent);
  font-size: 9.5px;
  font-weight: 600;
  line-height: 1.5;
}

.taskpane-preview .assistant-process-overview-segments {
  display: grid;
  margin: 10px 0 7px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 4px;
}

.taskpane-preview .assistant-process-segment {
  position: relative;
  display: block;
  overflow: hidden;
  height: 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 13%, var(--border));
}

.taskpane-preview .assistant-process-segment.is-completed {
  background: color-mix(in srgb, var(--accent) 46%, var(--border-accent));
}

.taskpane-preview .assistant-process-segment.is-running {
  background: var(--accent);
}

.taskpane-preview .assistant-process-segment.is-paused {
  background: color-mix(in srgb, var(--accent) 74%, var(--border));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 24%, transparent);
}

.taskpane-preview .assistant-process-segment.is-running::after {
  position: absolute;
  inset: 0 auto 0 0;
  width: 42%;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 62%), transparent);
  content: "";
  transform: translateX(-140%);
}

.taskpane-preview .assistant-process-overview-meta {
  color: var(--text-secondary);
  font-size: 9.5px;
  font-variant-numeric: tabular-nums;
}

.taskpane-preview .assistant-process-overview-action {
  justify-content: flex-end;
  gap: 6px;
}

.taskpane-preview .assistant-process-chevron {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-right: 1.4px solid currentColor;
  border-bottom: 1.4px solid currentColor;
  color: var(--text-muted);
  transform: rotate(-45deg);
}

.taskpane-preview .assistant-process-expanded-summary {
  display: none;
  width: fit-content;
  min-height: 28px;
  color: var(--text-secondary);
  font-size: 10.5px;
  gap: 7px;
}

.taskpane-preview .assistant-process-disclosure[open] .assistant-process-overview {
  display: none;
}

.taskpane-preview .assistant-process-disclosure[open] .assistant-process-expanded-summary {
  display: flex;
}

.taskpane-preview .assistant-process-disclosure[open] .assistant-process-chevron {
  transform: rotate(45deg);
}

.taskpane-preview .assistant-process-panel {
  display: none;
  width: 100%;
  padding: 7px 11px;
}

.taskpane-preview .assistant-process-disclosure[open] .assistant-process-panel {
  display: block;
}

.taskpane-preview .assistant-process-phase-list {
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
}

.taskpane-preview .assistant-process-phase {
  display: grid;
  align-items: start;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  grid-template-columns: 17px minmax(0, 1fr);
  color: var(--text-muted);
  gap: 7px;
}

.taskpane-preview .assistant-process-phase:last-child {
  border-bottom: 0;
}

.taskpane-preview .assistant-process-phase-marker {
  position: relative;
  display: block;
  width: 14px;
  height: 14px;
  margin-top: 1px;
  border: 1.4px solid var(--border-accent);
  border-radius: 50%;
  background: var(--bg-card);
}

.taskpane-preview .assistant-process-phase.is-running {
  color: var(--text-primary);
}

.taskpane-preview .assistant-process-phase.is-running .assistant-process-phase-marker {
  border-color: var(--accent);
  border-top-color: transparent;
}

.taskpane-preview .assistant-process-phase.is-paused {
  color: var(--text-primary);
}

.taskpane-preview .assistant-process-phase.is-paused .assistant-process-phase-marker {
  border-color: var(--accent);
  background: var(--accent-softer);
}

.taskpane-preview .assistant-process-phase.is-paused .assistant-process-phase-marker::before,
.taskpane-preview .assistant-process-phase.is-paused .assistant-process-phase-marker::after {
  position: absolute;
  top: 3px;
  width: 2px;
  height: 6px;
  border-radius: 1px;
  background: var(--accent);
  content: "";
}

.taskpane-preview .assistant-process-phase.is-paused .assistant-process-phase-marker::before {
  left: 3px;
}

.taskpane-preview .assistant-process-phase.is-paused .assistant-process-phase-marker::after {
  right: 3px;
}

.taskpane-preview .assistant-process-phase.is-completed .assistant-process-phase-marker {
  border-color: color-mix(in srgb, var(--accent) 65%, var(--text-secondary));
  background: var(--accent-softer);
}

.taskpane-preview .assistant-process-phase.is-completed .assistant-process-phase-marker::after {
  position: absolute;
  left: 4px;
  top: 1.5px;
  width: 3px;
  height: 6px;
  border-right: 1.3px solid var(--accent);
  border-bottom: 1.3px solid var(--accent);
  content: "";
  transform: rotate(45deg);
}

.taskpane-preview .assistant-process-phase-body,
.taskpane-preview .assistant-process-phase-title-row,
.taskpane-preview .assistant-process-phase-detail {
  display: block;
  min-width: 0;
}

.taskpane-preview .assistant-process-phase-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 7px;
}

.taskpane-preview .assistant-process-phase-title {
  overflow: hidden;
  min-width: 0;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.taskpane-preview .assistant-process-phase-status {
  flex: 0 0 auto;
  color: var(--text-muted);
  font-size: 9px;
  white-space: nowrap;
}

.taskpane-preview .assistant-process-phase.is-running .assistant-process-phase-status {
  color: var(--accent);
}

.taskpane-preview .assistant-process-phase.is-paused .assistant-process-phase-status {
  color: var(--accent);
}

.taskpane-preview .assistant-process-phase-detail {
  margin-top: 1px;
  color: var(--text-muted);
  font-size: 9.5px;
  line-height: 1.4;
}

.taskpane-preview .diff-cards-container {
  display: grid;
  overflow: hidden;
  margin: 10px 0 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-card);
  gap: 5px;
  padding: 0 6px 6px;
}

.taskpane-preview .diff-cards-container.is-collapsed {
  padding-bottom: 0;
}

.taskpane-preview .diff-cards-container.is-collapsed .diff-card {
  display: none;
}

.taskpane-preview .diff-cards-container.is-collapsed .diff-card-group {
  display: none;
}

.taskpane-preview .diff-cards-container.is-collapsed .composite-edit-card {
  display: none;
}

.taskpane-preview .diff-cards-summary {
  display: flex;
  min-height: 50px;
  align-items: center;
  margin: 0 -6px;
  padding: 7px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  gap: 10px;
}

.taskpane-preview .diff-cards-summary-icon {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text-secondary);
  flex: 0 0 auto;
}

.taskpane-preview .diff-cards-summary-copy {
  display: flex;
  min-width: 0;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 3px;
}

.taskpane-preview .diff-cards-summary-title {
  color: var(--text-primary);
  font-size: 12.5px;
  font-weight: 650;
  line-height: 1.35;
}

.taskpane-preview .diff-cards-summary-meta {
  color: var(--text-muted);
  font-size: 10.5px;
  line-height: 1.35;
}

.taskpane-preview .diff-cards-toggle-btn {
  min-height: 30px;
  padding: 5px 8px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-size: 11px;
  font-weight: 500;
  flex: 0 0 auto;
}

.taskpane-preview .diff-card {
  overflow: hidden;
  margin: 0;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
  box-shadow: 0 1px 2px rgb(31 31 31 / 6%);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.taskpane-preview .composite-edit-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
  box-shadow: 0 1px 2px rgb(31 31 31 / 6%);
}

.taskpane-preview .composite-edit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 10px 8px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-1) 72%, var(--bg-card));
  gap: 8px;
}

.taskpane-preview .composite-edit-title {
  color: var(--text-primary);
  font-size: 11.5px;
  font-weight: 650;
  line-height: 1.35;
}

.taskpane-preview .composite-edit-progress {
  margin-top: 2px;
  color: var(--text-muted);
  font-size: 9.5px;
  line-height: 1.35;
}

.taskpane-preview .composite-toggle-btn,
.taskpane-preview .composite-action-btn {
  min-height: 26px;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  font: inherit;
  font-size: 10px;
}

.taskpane-preview .composite-toggle-btn:hover,
.taskpane-preview .composite-toggle-btn:focus-visible,
.taskpane-preview .composite-action-btn:hover,
.taskpane-preview .composite-action-btn:focus-visible {
  background: var(--surface-2);
  outline: none;
}

.taskpane-preview .composite-edit-card.collapsed .composite-edit-items,
.taskpane-preview .composite-edit-card.collapsed .composite-edit-actions {
  display: none;
}

.taskpane-preview .composite-edit-row {
  position: relative;
  overflow: hidden;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.taskpane-preview .composite-edit-row:last-child {
  border-bottom: 0;
}

.taskpane-preview .composite-edit-row.locating {
  background: var(--bg-card);
  box-shadow: inset 3px 0 0 var(--accent);
}

.taskpane-preview .composite-edit-row-main {
  display: flex;
  min-height: 13px;
  align-items: center;
  justify-content: flex-end;
}

.taskpane-preview .composite-edit-row-status {
  color: var(--text-muted);
  font-size: 9.5px;
  font-weight: 550;
}

.taskpane-preview .composite-edit-row-status.status-applied {
  color: var(--success);
}

.taskpane-preview .composite-edit-row-preview {
  margin-top: 3px;
  color: var(--text-primary);
  font-size: 10.5px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.taskpane-preview .composite-edit-row-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  margin-top: 6px;
  gap: 8px;
}

.taskpane-preview .composite-edit-actions {
  display: flex;
  min-height: 46px;
  align-items: center;
  justify-content: flex-end;
  padding: 8px 10px;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-1) 58%, var(--bg-card));
  gap: 6px;
}

.taskpane-preview .composite-edit-actions .composite-action-btn {
  min-height: 30px;
  padding: 5px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  box-shadow: 0 1px 2px rgb(31 31 31 / 8%);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 550;
  line-height: 1;
  white-space: nowrap;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.taskpane-preview .composite-edit-actions .composite-action-btn:hover,
.taskpane-preview .composite-edit-actions .composite-action-btn:focus-visible {
  border-color: rgb(31 31 31 / 18%);
  background: var(--surface-2);
  box-shadow: 0 2px 5px rgb(31 31 31 / 10%);
  color: var(--text-primary);
}

.taskpane-preview .composite-edit-actions .composite-action-btn:active {
  transform: scale(0.98);
}

.taskpane-preview .composite-edit-actions .composite-action-btn[data-action="apply-group"] {
  border-color: #334155;
  background: #334155;
  box-shadow: 0 1px 2px rgb(51 65 85 / 22%);
  color: #f7f7f7;
  font-weight: 650;
}

.taskpane-preview .composite-edit-actions .composite-action-btn[data-action="apply-group"]:hover,
.taskpane-preview .composite-edit-actions .composite-action-btn[data-action="apply-group"]:focus-visible {
  border-color: #273444;
  background: #273444;
  color: #ffffff;
}

.taskpane-preview .diff-card-group {
  display: grid;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-1);
  gap: 6px;
}

.taskpane-preview .diff-card-group-header {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  justify-content: space-between;
  padding: 2px 2px 4px;
  gap: 8px;
}

.taskpane-preview .diff-card-group-header > span:first-child {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.taskpane-preview .diff-card-group-header strong {
  color: var(--text-primary);
  font-size: 11.5px;
  line-height: 1.35;
}

.taskpane-preview .diff-card-group-header small,
.taskpane-preview .diff-card-group-status {
  color: var(--text-muted);
  font-size: 9.5px;
  line-height: 1.35;
}

.taskpane-preview .diff-card-group-status {
  flex: 0 0 auto;
  padding-top: 1px;
  white-space: nowrap;
}

.taskpane-preview .diff-card-group-status.is-applied {
  color: var(--success);
}

.taskpane-preview .diff-subcard {
  padding: 7px 8px;
  border-radius: 8px;
  box-shadow: none;
}

.taskpane-preview .diff-subcard .diff-card-title {
  font-size: 10.5px;
  font-weight: 600;
}

.taskpane-preview .diff-subcard .diff-card-locate-icon {
  font-size: 10px;
  line-height: 1;
}

.taskpane-preview .diff-card.locating {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
  box-shadow: inset 3px 0 0 var(--accent);
}

.taskpane-preview .diff-card-header {
  display: grid;
  align-items: start;
  margin-bottom: 4px;
  grid-template-columns: minmax(0, 1fr) auto;
  color: var(--text-primary);
  font-size: 11.5px;
  font-weight: 600;
  gap: 6px;
}

.taskpane-preview .diff-card-heading {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 4px;
}

.taskpane-preview .diff-card-title {
  min-width: 0;
  overflow-wrap: anywhere;
}

.taskpane-preview .diff-card-locate-icon {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  opacity: 0.28;
}

.taskpane-preview .diff-card.locating .diff-card-locate-icon {
  color: var(--accent);
  opacity: 1;
}

.taskpane-preview .diff-card-statuses {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: none;
}

.taskpane-preview .diff-card-badge {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-size: 9.5px;
  font-weight: 550;
  white-space: nowrap;
}

.taskpane-preview .diff-card-badge.status-applied {
  color: var(--success);
}

.taskpane-preview .diff-card-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.taskpane-preview .rich-edit-context-flow {
  display: block;
  color: var(--text-primary);
  line-height: 1.5;
  overflow-wrap: anywhere;
  white-space: break-spaces;
}

.taskpane-preview .diff-card-notes {
  margin-top: 7px;
  color: var(--text-muted);
  font-size: 10px;
}

.taskpane-preview .diff-card-notes > summary {
  width: fit-content;
  padding: 2px 0;
  color: var(--text-muted);
  cursor: pointer;
  list-style-position: inside;
  transition: color var(--transition-fast);
}

.taskpane-preview .diff-card-notes > summary:hover,
.taskpane-preview .diff-card-notes > summary:focus-visible {
  color: var(--text-primary);
  outline: none;
}

.taskpane-preview .diff-card-notes-content {
  margin-top: 3px;
  padding-left: 8px;
  border-left: 1px solid var(--border);
  line-height: 1.45;
}

.taskpane-preview .rich-edit-context-flow .diff-context,
.taskpane-preview .rich-edit-context-flow .diff-content {
  display: inline;
  margin: 0;
}

.taskpane-preview .diff-post {
  display: inline;
}

.taskpane-preview .diff-content {
  margin: 0;
}

.taskpane-preview .diff-content.is-deletion {
  grid-template-columns: minmax(0, 1fr);
}

.taskpane-preview .diff-context {
  color: var(--text-secondary);
  font-size: 9.5px;
  line-height: 1.4;
  opacity: 0.86;
}

.taskpane-preview .diff-content {
  color: var(--text-primary);
  font-size: 10.5px;
  line-height: 1.4;
}

.taskpane-preview .rich-diff-added,
.taskpane-preview .rich-diff-removed,
.taskpane-preview .rich-diff-equal {
  display: inline;
  min-width: 0;
  padding: 0 2px;
  border-radius: 2px;
}

.taskpane-preview .rich-diff-added {
  background: var(--diff-added-bg);
  color: var(--success);
  text-decoration: underline;
}

.taskpane-preview .rich-diff-removed {
  background: var(--diff-removed-bg);
  color: var(--error);
  text-decoration: line-through;
}

.taskpane-preview .diff-card-actions {
  display: grid;
  width: 100%;
  min-width: 0;
  align-items: start;
  margin-top: 6px;
  padding-top: 6px;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px dashed var(--border);
  gap: 8px;
}

.taskpane-preview .diff-card-action-row {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.taskpane-preview .card-action-btn {
  min-height: 30px;
  padding: 5px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  box-shadow: 0 1px 2px rgb(31 31 31 / 8%);
  color: var(--text-primary);
  cursor: pointer;
  font: inherit;
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

.taskpane-preview .card-action-btn:hover,
.taskpane-preview .card-action-btn:focus-visible,
.taskpane-preview .card-action-btn.is-active {
  border-color: rgb(31 31 31 / 18%);
  background: var(--surface-2);
  color: var(--text-primary);
  outline: none;
}

.taskpane-preview .card-action-btn:active {
  transform: scale(0.98);
}

.taskpane-preview .card-apply-btn {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 1px 2px color-mix(in srgb, var(--accent) 24%, transparent);
  color: #ffffff;
  font-weight: 600;
}

.taskpane-preview .card-apply-btn:hover,
.taskpane-preview .card-apply-btn:focus-visible {
  border-color: #273444;
  background: #273444;
  color: #ffffff;
}

.taskpane-preview .diff-card-action-row,
.taskpane-preview .composite-edit-row-actions {
  min-width: 0;
  flex-wrap: wrap;
  gap: 6px;
}

.taskpane-preview .diff-card-action-row .card-action-with-icon,
.taskpane-preview .composite-edit-row-actions .card-action-with-icon {
  display: inline-flex;
  max-width: 100%;
  min-height: 30px;
  align-items: center;
  gap: 5px;
}

.taskpane-preview .card-action-with-icon svg {
  flex: 0 0 14px;
}

.taskpane-preview .card-action-with-icon:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.taskpane-preview .diff-card-actions .card-action-revert,
.taskpane-preview .composite-edit-row-actions .card-action-revert {
  background: transparent;
  box-shadow: none;
}

.taskpane-preview #input-area {
  --composer-outer-bottom: 7px;
  --composer-bottom-padding: 5px;
  --composer-row-gap: 4px;
  --composer-top-padding: 8px;
  position: relative;
  padding: 8px 12px var(--composer-outer-bottom);
  border-top: 0;
  background: var(--bg-primary);
  flex-shrink: 0;
}

.taskpane-preview .context-badge-card {
  position: relative;
  z-index: 2;
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 5px;
  padding: 4px 10px;
  border: 1px solid var(--accent-soft);
  border-radius: var(--radius);
  background: var(--accent-softer);
  box-shadow: var(--shadow-sm);
  color: var(--accent-hover);
  font-size: 10.5px;
  font-weight: 500;
}

.taskpane-preview .badge-content {
  display: flex;
  align-items: center;
  padding-left: 12px;
  gap: 8px;
}

.taskpane-preview .badge-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.taskpane-preview .pulse-ring {
  position: absolute;
  left: -12px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  transform: translateY(-50%);
}

.taskpane-preview .badge-text {
  letter-spacing: 0.2px;
}

.taskpane-preview #input-wrapper {
  display: flex;
  overflow: hidden;
  align-items: stretch;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.taskpane-preview #input-wrapper:focus-within {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 1px var(--accent-glow);
}

.taskpane-preview .input-main-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: var(--composer-top-padding) 10px var(--composer-bottom-padding);
  gap: var(--composer-row-gap);
}

.taskpane-preview #demo-input {
  width: 100%;
  min-height: 26px;
  max-height: 120px;
  padding: 2px 3px;
  min-width: 0;
  flex: 0 0 auto;
  overflow-y: auto;
  resize: none;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  font-size: 13.5px;
  line-height: 1.55;
}

.taskpane-preview #input-actions {
  display: flex;
  width: 100%;
  align-items: center;
  flex-shrink: 0;
  gap: 4px;
}

.taskpane-preview .input-icon-btn,
.taskpane-preview #btn-send {
  display: flex;
  width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
}

.taskpane-preview .input-icon-btn.active,
.taskpane-preview #btn-send {
  background: var(--accent-softer);
  color: var(--accent);
}

.taskpane-preview .input-icon-btn { width: 24px; height: 24px; flex-shrink: 0; }

.taskpane-preview #btn-send {
  cursor: pointer;
  flex-shrink: 0;
}

.taskpane-preview #btn-send:hover:not(:disabled) {
  background: var(--accent-soft);
  color: var(--accent);
}

.taskpane-preview #btn-send:disabled,
.taskpane-preview #demo-input:disabled {
  cursor: wait;
  opacity: 0.55;
}

.taskpane-preview #input-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1;
  min-width: 0;
  margin: 0;
  padding: 0 2px;
  color: var(--text-muted);
  font-size: 11px;
  gap: 0;
}

.taskpane-preview .visually-hidden {
  position: absolute;
  overflow: hidden;
  width: 1px;
  height: 1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (prefers-reduced-motion: no-preference) {
  .taskpane-preview [data-demo-user-row]:not([hidden]) {
    animation: taskpane-preview-message-in 280ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .taskpane-preview .assistant-process-overview-lede.is-running::after {
    animation: taskpane-preview-status-pulse 1.25s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  }

  .taskpane-preview .assistant-process-segment.is-running::after {
    animation: taskpane-preview-segment-sweep 1.35s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  }

  .taskpane-preview .assistant-process-phase.is-running .assistant-process-phase-marker {
    animation: taskpane-preview-spin 800ms linear infinite;
  }

  .taskpane-preview [data-demo-result]:not([hidden]),
  .taskpane-preview [data-demo-summary-card]:not([hidden]) {
    animation: taskpane-preview-result-in 220ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .taskpane-preview [data-demo-summary-card]:not([hidden]) .diff-card {
    animation: taskpane-preview-card-in 360ms cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .taskpane-preview [data-demo-summary-card]:not([hidden]) .diff-card:nth-of-type(2) {
    animation-delay: 90ms;
  }

  .taskpane-preview [data-demo-summary-card]:not([hidden]) .diff-card:nth-of-type(3) {
    animation-delay: 180ms;
  }
}

@keyframes taskpane-preview-message-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}

@keyframes taskpane-preview-status-pulse {
  50% {
    opacity: 0.78;
    transform: translateX(2px);
  }
}

@keyframes taskpane-preview-segment-sweep {
  to {
    transform: translateX(340%);
  }
}

@keyframes taskpane-preview-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes taskpane-preview-result-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
}

@keyframes taskpane-preview-card-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.985);
  }
}

@media (max-width: 767px) {
  .taskpane-preview {
    height: min(720px, calc(100dvh - 32px));
    min-height: min(620px, calc(100dvh - 32px));
  }

  .taskpane-preview #messages-container {
    padding: 11px;
  }
}

/* 与加载项保持一致的模型菜单；官网使用固定演示模型。 */
.taskpane-preview .demo-select-trigger {
  display: inline-flex; align-items: center; gap: 5px; min-width: 0;
  max-width: 132px; padding: 1px 7px; border: 1px solid transparent;
  border-radius: 7px; background: transparent; color: var(--text-muted);
  font-weight: 500; font-family: inherit; font-size: 11px; line-height: 16px;
}
.taskpane-preview button.demo-select-trigger { cursor: pointer; }
.taskpane-preview .demo-select-trigger > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.taskpane-preview .demo-select-trigger svg { flex-shrink: 0; }
.taskpane-preview .demo-reasoning-mode { flex-shrink: 0; }
.taskpane-preview button.demo-select-trigger:hover,
.taskpane-preview .demo-select-trigger[aria-expanded="true"] { background: var(--surface-2); color: var(--text-primary); }
.taskpane-preview .demo-select-trigger:focus-visible { outline: 1px solid var(--border-accent); }
.taskpane-preview .demo-model-menu {
  position: absolute; right: 72px; bottom: 40px; z-index: 10;
  min-width: 150px; max-width: calc(100% - 24px); padding: 4px;
  border: 1px solid var(--border); border-radius: 12px; background: var(--bg-secondary);
  box-shadow: 0 8px 24px rgb(0 0 0 / 12%);
}
.taskpane-preview .demo-model-menu-title { padding: 6px 10px; color: var(--text-muted); font-size: 12px; font-weight: 500; line-height: 1.5; }
.taskpane-preview .demo-model-option {
  display: flex; align-items: center; gap: 16px; width: 100%; padding: 7px 10px;
  border: 0; border-radius: 4px; background: transparent; color: var(--text-primary);
  font-family: inherit; font-size: 12px; font-weight: 400; text-align: left; cursor: pointer;
}
.taskpane-preview .demo-model-option svg { margin-left: auto; flex-shrink: 0; color: var(--text-secondary); }
.taskpane-preview .demo-model-option:hover,
.taskpane-preview .demo-model-option:focus-visible { background: var(--surface-2); outline: 1px solid var(--border-accent); outline-offset: -1px; }
@media (max-width: 340px) { .taskpane-preview .demo-select-trigger { max-width: 100px; } }