*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

@font-face {
  font-family: "Inter Var";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/en/Inter-var-2.ttf") format("truetype");
}

@font-face {
  font-family: "Source Han Sans SC Web";
  font-style: normal;
  font-weight: 200;
  font-display: swap;
  src: url("../fonts/zh/SourceHanSansSC-ExtraLight.woff2") format("woff2");
}

@font-face {
  font-family: "Source Han Sans SC Web";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("../fonts/zh/SourceHanSansSC-Light.woff2") format("woff2");
}

@font-face {
  font-family: "Source Han Sans SC Web";
  font-style: normal;
  font-weight: 350;
  font-display: swap;
  src: url("../fonts/zh/SourceHanSansSC-Normal.woff2") format("woff2");
}

@font-face {
  font-family: "Source Han Sans SC Web";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/zh/SourceHanSansSC-Regular.woff2") format("woff2");
}

@font-face {
  font-family: "Source Han Sans SC Web";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/zh/SourceHanSansSC-Medium.woff2") format("woff2");
}

@font-face {
  font-family: "Source Han Sans SC Web";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/zh/SourceHanSansSC-Bold.woff2") format("woff2");
}

@font-face {
  font-family: "Source Han Sans SC Web";
  font-style: normal;
  font-weight: 900;
  font-display: swap;
  src: url("../fonts/zh/SourceHanSansSC-Heavy.woff2") format("woff2");
}

:root {
  --bg: #f5f7fa;
  --bg-raised: #ffffff;
  --bg-overlay: #eaeff5;
  --line: #ccd5de;
  --line-soft: #dde4eb;
  --text: #1c2128;
  --text-muted: #5a6570;
  --text-dim: #8b95a1;
  --accent: #1a6fef;
  --accent-soft: #e6f0fd;
  --accent-line: #a8c8f8;
  --success: #2f8f5b;
  --danger: #cf3f32;
  --danger-soft: #faeae6;
  --shadow: 0 18px 44px rgba(22, 31, 44, 0.08);
  --radius: 16px;
  --radius-sm: 12px;
  --sidebar-w: 300px;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --chat-font-en: "Inter Var";
  --chat-font-zh: "Source Han Sans SC Web";
  --font-sans: var(--chat-font-en), var(--chat-font-zh), "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --conversation-text: color-mix(in srgb, var(--text) 86%, #000 14%);
  --scrollbar-size: 9px;
  --scrollbar-thumb: color-mix(in srgb, var(--text-dim) 40%, transparent);
  --scrollbar-thumb-hover: color-mix(in srgb, var(--text-dim) 62%, transparent);
  --scrollbar-thumb-border: 2px;
  --scrollbar-thumb-border-hover: 1px;
}

html, body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

/* Unified thin scrollbars for chat's scroll regions (matches mook/canvas). */
:where(
  .chat-conversation-scroll,
  .session-list,
  .session-search-panel,
  .batch-model-picker,
  .chat-settings-body,
  .source-dialog-body,
  .agent-list-scroll,
  .agent-form-body,
  .agent-avatar-picker-grid,
  .help-dialog-body,
  .export-turn-list,
  .reader-document-picker-list,
  .reader-document-picker-selected-list,
  .reader-document-picker-body,
  .data-attachment-picker-main,
  .data-attachment-source-picker,
  .data-attachment-field-picker,
  .data-attachment-record-search-list,
  .data-attachment-selection-summary,
  .data-attachment-preview-body,
  .composer-writer-surface,
  .composer-textarea,
  .message-md-code-pre,
  textarea
) {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) transparent;
}

:where(
  .chat-conversation-scroll,
  .session-list,
  .session-search-panel,
  .batch-model-picker,
  .chat-settings-body,
  .source-dialog-body,
  .agent-list-scroll,
  .agent-form-body,
  .agent-avatar-picker-grid,
  .help-dialog-body,
  .export-turn-list,
  .reader-document-picker-list,
  .reader-document-picker-selected-list,
  .reader-document-picker-body,
  .data-attachment-picker-main,
  .data-attachment-source-picker,
  .data-attachment-field-picker,
  .data-attachment-record-search-list,
  .data-attachment-selection-summary,
  .data-attachment-preview-body,
  .composer-writer-surface,
  .composer-textarea,
  .message-md-code-pre,
  textarea
)::-webkit-scrollbar {
  width: var(--scrollbar-size);
  height: var(--scrollbar-size);
}

:where(
  .chat-conversation-scroll,
  .session-list,
  .session-search-panel,
  .batch-model-picker,
  .chat-settings-body,
  .source-dialog-body,
  .agent-list-scroll,
  .agent-form-body,
  .agent-avatar-picker-grid,
  .help-dialog-body,
  .export-turn-list,
  .reader-document-picker-list,
  .reader-document-picker-selected-list,
  .reader-document-picker-body,
  .data-attachment-picker-main,
  .data-attachment-source-picker,
  .data-attachment-field-picker,
  .data-attachment-record-search-list,
  .data-attachment-selection-summary,
  .data-attachment-preview-body,
  .composer-writer-surface,
  .composer-textarea,
  .message-md-code-pre,
  textarea
)::-webkit-scrollbar-track {
  background: transparent;
}

:where(
  .chat-conversation-scroll,
  .session-list,
  .session-search-panel,
  .batch-model-picker,
  .chat-settings-body,
  .source-dialog-body,
  .agent-list-scroll,
  .agent-form-body,
  .agent-avatar-picker-grid,
  .help-dialog-body,
  .export-turn-list,
  .reader-document-picker-list,
  .reader-document-picker-selected-list,
  .reader-document-picker-body,
  .data-attachment-picker-main,
  .data-attachment-source-picker,
  .data-attachment-field-picker,
  .data-attachment-record-search-list,
  .data-attachment-selection-summary,
  .data-attachment-preview-body,
  .composer-writer-surface,
  .composer-textarea,
  .message-md-code-pre,
  textarea
)::-webkit-scrollbar-thumb {
  border-radius: 999px;
  border: var(--scrollbar-thumb-border) solid transparent;
  background: var(--scrollbar-thumb);
  background-clip: padding-box;
}

:where(
  .chat-conversation-scroll,
  .session-list,
  .session-search-panel,
  .batch-model-picker,
  .chat-settings-body,
  .source-dialog-body,
  .agent-list-scroll,
  .agent-form-body,
  .agent-avatar-picker-grid,
  .help-dialog-body,
  .export-turn-list,
  .reader-document-picker-list,
  .reader-document-picker-selected-list,
  .reader-document-picker-body,
  .data-attachment-picker-main,
  .data-attachment-source-picker,
  .data-attachment-field-picker,
  .data-attachment-record-search-list,
  .data-attachment-selection-summary,
  .data-attachment-preview-body,
  .composer-writer-surface,
  .composer-textarea,
  .message-md-code-pre,
  textarea
):hover::-webkit-scrollbar-thumb {
  border-width: var(--scrollbar-thumb-border-hover);
  background: var(--scrollbar-thumb-hover);
  background-clip: padding-box;
}

:where(
  .chat-conversation-scroll,
  .session-list,
  .session-search-panel,
  .batch-model-picker,
  .chat-settings-body,
  .source-dialog-body,
  .agent-list-scroll,
  .agent-form-body,
  .agent-avatar-picker-grid,
  .help-dialog-body,
  .export-turn-list,
  .reader-document-picker-list,
  .reader-document-picker-selected-list,
  .reader-document-picker-body,
  .data-attachment-picker-main,
  .data-attachment-source-picker,
  .data-attachment-field-picker,
  .data-attachment-record-search-list,
  .data-attachment-selection-summary,
  .data-attachment-preview-body,
  .composer-writer-surface,
  .composer-textarea,
  .message-md-code-pre,
  textarea
)::-webkit-scrollbar-corner {
  background: transparent;
}

body {
  font-family: var(--font-ui);
  background:
    radial-gradient(circle at top left, rgba(26, 111, 239, 0.06), transparent 30%),
    linear-gradient(180deg, #f8fafc, #f3f6fa 36%, #eef2f7 100%);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: none;
  background: none;
  color: inherit;
}

#app {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

.chat-loading-shell {
  height: 100%;
  display: grid;
  place-items: center;
  padding: 24px;
  overflow: hidden;
}

.chat-loading-card {
  width: min(420px, 100%);
  min-height: 190px;
  padding: 26px 28px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 78%, transparent);
  border-radius: 28px;
  background:
    radial-gradient(circle at 18% 16%, color-mix(in srgb, var(--accent-soft) 58%, transparent), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.62));
  box-shadow: 0 24px 64px rgba(22, 31, 44, 0.1);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  animation: chat-loading-enter .34s ease-out both;
}

.chat-loading-mark {
  width: 58px;
  height: 58px;
  border-radius: 20px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 74%, transparent);
  background: color-mix(in srgb, var(--bg-raised) 72%, var(--accent-soft) 28%);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.chat-loading-mark img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  display: block;
}

.chat-loading-copy {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.chat-loading-kicker {
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.chat-loading-title {
  color: var(--text);
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -.02em;
}

.chat-loading-subtitle {
  color: var(--text-muted);
  font-size: 12.5px;
  line-height: 1.55;
}

@keyframes chat-loading-enter {
  from {
    opacity: 0;
    transform: translateY(8px) scale(.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .chat-loading-card {
    animation: none;
  }
}

.chat-shell {
  height: 100%;
  display: flex;
  overflow: hidden;
  overscroll-behavior: none;
}

.chat-mobile-tabs {
  display: none;
}

.chat-sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-raised) 94%, var(--bg-overlay) 6%);
}

.chat-sidebar-head {
  padding: 18px 16px 14px;
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.chat-sidebar-head-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.chat-sidebar-head-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.chat-brand {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.chat-brand-kicker {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-dim);
}

.chat-brand-title {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -.02em;
}

.chat-sidebar-settings-btn {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 78%, transparent);
  background: color-mix(in srgb, rgba(255, 255, 255, 0.84) 76%, rgba(235, 241, 248, 0.72));
  color: var(--text-dim);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color .15s ease, color .15s ease, background .15s ease, transform .15s ease;
}

.chat-sidebar-settings-btn:hover {
  border-color: var(--accent-line);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.chat-sidebar-settings-btn:active {
  transform: translateY(0);
}

.chat-sidebar-settings-btn iconify-icon {
  display: block;
}

.chat-shell.sidebar-collapsed .chat-sidebar {
  width: 0;
  min-width: 0;
  border-right: none;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.sidebar-new-session {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 13px;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  color: var(--accent);
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
}

.sidebar-new-session:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent-line) 78%, var(--accent) 22%);
}

.sidebar-new-session:active {
  transform: translateY(0);
}

.sidebar-new-session:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.session-list {
  flex: 1;
  min-height: 0;
  overflow: auto;
  overflow-anchor: none;
  padding: 10px 8px 14px;
}

.session-search-shell {
  position: relative;
  flex: 0 0 auto;
  padding: 10px 10px 12px;
  border-top: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg-raised) 94%, var(--bg-overlay) 6%);
}

.session-search-entry {
  min-height: 42px;
  padding: 0 10px 0 12px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background: color-mix(in srgb, rgba(255, 255, 255, 0.78) 88%, rgba(235, 241, 248, 0.72));
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.52);
}

.session-search-input {
  min-width: 0;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 12.5px;
  outline: none;
}

.session-search-input::placeholder {
  color: var(--text-dim);
}

.session-search-clear {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.session-search-clear-placeholder {
  width: 24px;
  height: 24px;
}

.session-search-submit {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  background: color-mix(in srgb, var(--bg-overlay) 66%, transparent);
  cursor: pointer;
  transition: color .15s ease, background .15s ease;
}

.session-search-entry:focus-within .session-search-submit {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 78%, transparent);
}

.session-search-panel {
  overflow-anchor: none;
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: calc(100% + 8px);
  max-height: min(52vh, 460px);
  overflow: auto;
  padding: 8px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 84%, transparent);
  border-radius: 16px;
  background: color-mix(in srgb, rgba(255, 255, 255, 0.92) 82%, rgba(235, 241, 248, 0.84));
  box-shadow: 0 18px 38px rgba(20, 30, 46, 0.14);
  -webkit-backdrop-filter: blur(12px) saturate(1.05);
  backdrop-filter: blur(12px) saturate(1.05);
  display: grid;
  gap: 6px;
  z-index: 9;
}

.session-search-state {
  padding: 12px 11px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.6;
}

.session-search-state.error {
  color: var(--danger);
}

.session-search-results {
  display: grid;
  gap: 6px;
}

.session-search-result {
  width: 100%;
  text-align: left;
  display: grid;
  gap: 6px;
  padding: 11px 12px;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.46);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}

.session-search-result:hover {
  background: rgba(255, 255, 255, 0.76);
  border-color: var(--accent-line);
}

.session-search-result.active {
  background: rgba(255, 255, 255, 0.84);
  border-color: var(--accent-line);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-line) 74%, transparent);
}

.session-search-result-top {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.session-search-result-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  color: var(--text);
}

.session-search-result-meta {
  flex: 0 0 auto;
  font-size: 10.5px;
  color: var(--text-dim);
}

.session-search-result-excerpt {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-muted);
}

.session-search-result-excerpt mark {
  padding: 0 .12em;
  border-radius: 4px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
}

.session-empty {
  margin: 8px;
  padding: 18px 16px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.45);
}

.session-item {
  width: 100%;
  text-align: left;
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  margin-bottom: 8px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 68%, transparent);
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}

.session-item:hover {
  border-color: var(--line-soft);
  background: rgba(255, 255, 255, 0.52);
}

.session-item.active {
  border-color: var(--accent-line);
  background: linear-gradient(180deg, rgba(230, 240, 253, 0.92), rgba(255, 255, 255, 0.8));
}

.session-item-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.session-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 520;
}

.session-meta {
  font-size: 11.5px;
  color: var(--text-dim);
}

.session-meta-pinned {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.session-meta-streaming {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.session-meta-streaming-icon {
  width: 14px;
  height: 15px;
  display: block;
  overflow: visible;
}

.session-meta-streaming-icon circle {
  stroke: currentColor;
}

.session-preview {
  font-size: 12px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  line-height: 1.55;
  min-height: 37px;
}

.chat-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  overscroll-behavior: none;
  --agent-picker-offset: 110px;
  --chat-main-head-height: 72px;
}

.chat-main-head {
  min-height: var(--chat-main-head-height);
  padding: 14px 20px;
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: color-mix(in srgb, var(--bg-raised) 84%, transparent);
}

.chat-main-title-wrap {
  min-width: 0;
  position: relative;
}

.chat-main-title-wrap.sidebar-collapsed {
  padding-left: 40px;
}

.chat-main-title-row {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chat-main-title-actions {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chat-sidebar-restore-btn {
  position: absolute;
  left: 0;
  top: calc(50% + 1.5px);
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 78%, transparent);
  background: color-mix(in srgb, rgba(255, 255, 255, 0.86) 78%, rgba(235, 241, 248, 0.72));
  color: var(--text-dim);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%);
  transition: border-color .15s ease, color .15s ease, background .15s ease, transform .15s ease;
}

.chat-sidebar-restore-btn:hover,
.chat-sidebar-restore-btn:focus-visible {
  border-color: var(--accent-line);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(calc(-50% - 1px));
}

.chat-sidebar-restore-btn:active {
  transform: translateY(-50%);
}

.chat-sidebar-restore-btn iconify-icon {
  display: block;
}

.chat-main-title {
  min-width: 0;
  font-size: 17px;
  font-weight: 400;
  letter-spacing: -.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-title-refresh {
  flex: 0 0 auto;
  width: 0;
  height: 27px;
  padding: 0;
  margin-left: -4px;
  border-radius: 9px;
  color: var(--text-dim);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: scale(.86);
  transition: width .18s ease, margin-left .18s ease, opacity .15s ease, color .15s ease, background .15s ease, transform .18s ease;
}

.chat-title-refresh iconify-icon {
  width: 15px;
  height: 15px;
  display: block;
  transform: translateY(1px);
}

.chat-main-title-wrap:hover .chat-title-refresh,
.chat-main-title-wrap:focus-within .chat-title-refresh,
.chat-title-refresh.loading {
  width: 27px;
  margin-left: 0;
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.chat-title-refresh:hover {
  color: var(--accent);
  background: var(--accent-soft);
  transform: rotate(-18deg);
}

.chat-title-refresh.loading iconify-icon {
  animation: none;
}

.chat-title-pin {
  flex: 0 0 auto;
  width: 27px;
  height: 27px;
  padding: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: width .18s ease, margin-left .18s ease, opacity .15s ease, color .15s ease, background .15s ease, transform .18s ease;
}

.chat-title-pin iconify-icon {
  display: block;
  transform: translateY(1px);
}

.chat-title-pin:not(.active) {
  width: 0;
  margin-left: -4px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: scale(.86);
}

.chat-main-title-wrap:hover .chat-title-pin:not(.active),
.chat-main-title-wrap:focus-within .chat-title-pin:not(.active) {
  width: 27px;
  margin-left: 0;
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.chat-title-pin:hover {
  background: var(--accent-soft);
  color: var(--accent);
}

.chat-title-pin.active {
  background: transparent;
  color: var(--accent);
}

.chat-title-pin:focus-visible {
  background: var(--accent-soft);
  color: var(--accent);
}

.chat-title-pin:active {
  background: transparent;
}

.chat-title-refresh:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none;
}

.chat-title-pin:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none;
}

.chat-main-subtitle {
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-muted);
}

.chat-head-actions {
  display: flex;
  min-width: 0;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.chat-select {
  min-width: 0;
  max-width: 100%;
  flex: 1 1 180px;
  height: 40px;
  padding: 0 38px 0 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--text);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238b95a1' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 10 5 5 5-5'/%3E%3C/svg%3E");
  background-position: calc(100% - 14px) 50%;
  background-size: 16px 16px;
  background-repeat: no-repeat;
  transition: border-color .15s ease, background-color .15s ease, color .15s ease;
}

.chat-select-button.open {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238b95a1' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 14 5-5 5 5'/%3E%3C/svg%3E");
}

.chat-model-picker-wrap {
  position: relative;
  min-width: 0;
  flex: 1 1 180px;
}

.chat-select-button {
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.single-select-picker {
  width: min(320px, 68vw);
}

.single-select-option {
  justify-content: space-between;
  gap: 12px;
}

.single-select-option-label {
  flex: 1 1 auto;
}

.single-select-option-check {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
  color: color-mix(in srgb, var(--accent) 82%, var(--text) 18%);
  opacity: 0;
  transform: scale(.9);
  transition: opacity .15s ease, transform .15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.single-select-option input:checked ~ .single-select-option-check {
  opacity: 1;
  transform: scale(1);
}

.single-select-option.selected {
  background: color-mix(in srgb, var(--accent-soft) 72%, white 28%);
}

.single-select-option.selected .batch-model-option-label {
  color: color-mix(in srgb, var(--accent) 82%, var(--text) 18%);
}

.batch-model-picker {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 12;
  width: min(320px, 68vw);
  max-height: 320px;
  overflow-y: auto;
  padding: 8px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 84%, transparent);
  border-radius: 16px;
  background: color-mix(in srgb, rgba(255, 255, 255, 0.9) 82%, rgba(235, 241, 248, 0.8));
  box-shadow: 0 18px 38px rgba(20, 30, 46, 0.14);
  -webkit-backdrop-filter: blur(12px) saturate(1.06);
  backdrop-filter: blur(12px) saturate(1.06);
  display: grid;
  gap: 6px;
}

.batch-model-option {
  min-height: 40px;
  padding: 8px 10px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  color: var(--text);
}

.batch-model-option:hover {
  background: color-mix(in srgb, var(--accent-soft) 62%, white 38%);
}

.batch-model-option.disabled {
  opacity: .42;
  cursor: not-allowed;
}

.batch-model-option.disabled:hover {
  background: transparent;
}

.batch-model-option.disabled input {
  cursor: not-allowed;
}

.batch-model-option.disabled .single-select-option-check {
  display: none;
}

.batch-model-count-control {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.batch-model-count-control button {
  width: 24px;
  height: 24px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 86%, transparent);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.batch-model-count-control button:disabled {
  opacity: .38;
  cursor: default;
}

.batch-model-count-control[data-count-enabled="false"] {
  opacity: .38;
}

.batch-model-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.batch-model-option-check {
  width: 16px;
  height: 16px;
  border-radius: 5px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
  flex: 0 0 auto;
}

.batch-model-option input:checked + .batch-model-option-check {
  border-color: color-mix(in srgb, var(--accent-line) 88%, transparent);
  background: var(--accent);
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.92);
}

.batch-model-option-label {
  min-width: 0;
  font-size: 13px;
  line-height: 1.45;
}

.agent-manager-btn {
  height: 40px;
  padding: 0 13px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  transition: border-color .15s ease, color .15s ease, background .15s ease, transform .15s ease;
}

.agent-manager-btn:hover,
.agent-manager-btn.active {
  border-color: var(--accent-line);
  color: var(--accent);
  background: var(--accent-soft);
}

.agent-manager-btn:active {
  transform: translateY(1px);
}

.chat-delete-btn {
  min-width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.chat-delete-btn svg {
  width: 16px;
  height: 16px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chat-delete-btn:hover {
  border-color: color-mix(in srgb, var(--danger) 42%, var(--line) 58%);
  color: var(--danger);
  background: var(--danger-soft);
}

.chat-delete-btn.neutral:hover {
  border-color: var(--accent-line);
  color: var(--accent);
  background: var(--accent-soft);
}

.confirm-dialog-layer {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
}

.confirm-dialog-scrim {
  position: absolute;
  inset: 0;
  background: rgba(18, 24, 34, 0.22);
  backdrop-filter: blur(4px);
}

.confirm-dialog-card {
  position: relative;
  width: min(420px, 100%);
  padding: 22px 22px 20px;
  border-radius: 24px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--danger-soft) 52%, transparent), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.82));
  box-shadow: 0 26px 64px rgba(22, 31, 44, 0.16);
  display: grid;
  gap: 16px;
}

.confirm-dialog-mark {
  width: 44px;
  height: 44px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--danger) 18%, var(--line-soft) 82%);
  background: color-mix(in srgb, var(--danger-soft) 74%, white 26%);
  color: var(--danger);
}

.confirm-dialog-mark svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.confirm-dialog-mark.neutral {
  border-color: color-mix(in srgb, var(--accent-line) 54%, var(--line-soft) 46%);
  background: color-mix(in srgb, var(--accent-soft) 68%, white 32%);
  color: var(--accent);
}

.confirm-dialog-copy {
  display: grid;
  gap: 4px;
}

.confirm-dialog-kicker {
  font-size: 11px;
  line-height: 1.4;
  color: var(--text-dim);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.confirm-dialog-copy h2 {
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -.02em;
  font-weight: 500;
}

.confirm-dialog-copy p {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.65;
}

.confirm-dialog-context-summary {
  margin-top: 8px;
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--accent-line) 38%, var(--line-soft) 62%);
  background: color-mix(in srgb, var(--accent-soft) 52%, white 48%);
  display: grid;
  gap: 2px;
}

.confirm-dialog-context-summary.has-progress {
  --context-ratio: 0%;
  background: linear-gradient(
    to right,
    color-mix(in srgb, var(--accent-soft) 85%, var(--accent) 15%) var(--context-ratio),
    color-mix(in srgb, var(--accent-soft) 52%, white 48%) var(--context-ratio)
  );
}

.confirm-dialog-context-label {
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.4;
}

.confirm-dialog-context-value {
  color: var(--accent);
  font-size: 14px;
  line-height: 1.5;
  font-weight: 400;
}

.confirm-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.confirm-dialog-cancel,
.confirm-dialog-danger {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  cursor: pointer;
}

.confirm-dialog-cancel {
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--text-muted);
}

.confirm-dialog-danger {
  border: 1px solid color-mix(in srgb, var(--danger) 24%, var(--line) 76%);
  background: color-mix(in srgb, var(--danger-soft) 82%, white 18%);
  color: var(--danger);
}

.confirm-dialog-danger.neutral {
  border-color: color-mix(in srgb, var(--accent-line) 54%, var(--line) 46%);
  background: color-mix(in srgb, var(--accent-soft) 80%, white 20%);
  color: var(--accent);
}

.confirm-dialog-cancel:disabled,
.confirm-dialog-danger:disabled {
  opacity: .58;
  cursor: not-allowed;
}

.export-dialog-layer {
  position: fixed;
  inset: 0;
  z-index: 44;
  display: grid;
  place-items: center;
  padding: 20px;
}

.export-dialog-scrim {
  position: absolute;
  inset: 0;
  background: rgba(18, 24, 34, 0.22);
  backdrop-filter: blur(4px);
}

.export-dialog-card {
  position: relative;
  width: min(520px, 100%);
  max-height: min(80vh, 720px);
  padding: 20px 22px 18px;
  border-radius: 22px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.85));
  box-shadow: 0 26px 64px rgba(22, 31, 44, 0.16);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.export-dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.export-dialog-kicker {
  font-size: 11px;
  line-height: 1.4;
  color: var(--text-dim);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.export-dialog-head h2 {
  font-size: 17px;
  line-height: 1.35;
  letter-spacing: -.02em;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.export-dialog-close {
  flex: none;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
}

.export-dialog-close:hover {
  background: var(--bg-raised);
  color: var(--text-muted);
}

.export-dialog-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.export-select-all {
  min-height: 32px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent-line) 54%, var(--line) 46%);
  background: color-mix(in srgb, var(--accent-soft) 68%, white 32%);
  color: var(--accent);
  cursor: pointer;
  font-size: 13px;
}

.export-select-all:disabled {
  opacity: .58;
  cursor: not-allowed;
}

.export-dialog-count {
  color: var(--text-muted);
  font-size: 13px;
}

.export-turn-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  margin: 0;
  padding: 4px;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background: color-mix(in srgb, var(--bg-raised) 40%, white 60%);
}

.export-turn-row {
  border-radius: 10px;
}

.export-turn-row.selected {
  background: color-mix(in srgb, var(--accent-soft) 44%, white 56%);
}

.export-turn-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  cursor: pointer;
}

.export-turn-checkbox {
  flex: none;
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

.export-turn-index {
  flex: none;
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  min-width: 30px;
}

.export-turn-preview {
  flex: 1 1 auto;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.export-empty {
  padding: 24px 12px;
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
  list-style: none;
}

.export-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.export-dialog-cancel,
.export-dialog-confirm {
  min-height: 40px;
  padding: 0 16px;
  border-radius: 12px;
  cursor: pointer;
}

.export-dialog-cancel {
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--text-muted);
}

.export-dialog-confirm {
  border: 1px solid color-mix(in srgb, var(--accent-line) 54%, var(--line) 46%);
  background: color-mix(in srgb, var(--accent-soft) 80%, white 20%);
  color: var(--accent);
}

.export-dialog-confirm:disabled {
  opacity: .58;
  cursor: not-allowed;
}

.session-help-entry {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}

.session-help-entry:hover {
  border-color: color-mix(in srgb, var(--line-soft) 68%, transparent);
  background: rgba(255, 255, 255, 0.52);
  color: var(--text);
}

.session-help-entry iconify-icon {
  color: var(--text-dim);
}

.help-dialog-layer {
  position: fixed;
  inset: 0;
  z-index: 44;
  display: grid;
  place-items: center;
  padding: 20px;
}

.help-dialog-scrim {
  position: absolute;
  inset: 0;
  background: rgba(18, 24, 34, 0.22);
  backdrop-filter: blur(4px);
}

.help-dialog-card {
  position: relative;
  width: min(720px, 100%);
  max-height: min(82vh, 760px);
  padding: 24px 28px 20px;
  border-radius: 22px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.85));
  box-shadow: 0 26px 64px rgba(22, 31, 44, 0.16);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.help-dialog-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.help-dialog-kicker {
  font-size: 11px;
  line-height: 1.4;
  color: var(--text-dim);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.help-dialog-head h2 {
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -.02em;
  font-weight: 500;
}

.help-dialog-close {
  flex: none;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
}

.help-dialog-close:hover {
  background: var(--bg-raised);
  color: var(--text-muted);
}

.help-dialog-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-right: 8px;
}

.help-dialog-intro {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.help-dialog-section h3 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}

.help-dialog-section ul {
  margin: 0;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.help-dialog-section li {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.65;
}

.help-dialog-actions {
  display: flex;
  justify-content: flex-end;
}

.help-dialog-confirm {
  min-height: 40px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--accent-line) 54%, var(--line) 46%);
  background: color-mix(in srgb, var(--accent-soft) 80%, white 20%);
  color: var(--accent);
  cursor: pointer;
}

.chat-settings-switch {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.chat-settings-entry-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-settings-entry-group .chat-settings-switch {
  padding: 2px 0;
}

/* Flow-gradient settings controls */
.chat-settings-flow-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-settings-flow-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: opacity .2s ease;
}

.chat-settings-flow-controls.disabled {
  opacity: 0.45;
  pointer-events: none;
}

.chat-settings-flow-presets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.chat-settings-flow-preset {
  align-items: center;
  gap: 8px;
}

.chat-settings-flow-swatch {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  flex: 0 0 auto;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.chat-settings-switch-copy {
  flex: 1 1 auto;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
}

.chat-settings-switch-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.chat-settings-switch-track {
  flex: none;
  position: relative;
  width: 40px;
  height: 22px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--line) 70%, transparent);
  transition: background .15s ease;
}

.chat-settings-switch-track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(22, 31, 44, 0.24);
  transition: transform .15s ease;
}

.chat-settings-switch-input:checked ~ .chat-settings-switch-track {
  background: var(--accent);
}

.chat-settings-switch-input:checked ~ .chat-settings-switch-track::after {
  transform: translateX(18px);
}

.chat-settings-switch-input:disabled ~ .chat-settings-switch-track {
  opacity: .58;
}

.chat-settings-layer {
  position: fixed;
  inset: 0;
  z-index: 42;
  display: grid;
  place-items: center;
  padding: 20px;
}

.chat-settings-scrim {
  position: absolute;
  inset: 0;
  background: rgba(18, 24, 34, 0.22);
  backdrop-filter: blur(4px);
}

.chat-settings-card {
  position: relative;
  width: min(760px, 100%);
  max-height: min(720px, calc(100vh - 40px));
  padding: 22px 22px 20px;
  border-radius: 24px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent-soft) 54%, transparent), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.84));
  box-shadow: 0 26px 64px rgba(22, 31, 44, 0.16);
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 16px;
  overflow: hidden;
}

.chat-settings-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--line-soft) 30%, transparent);
}

.chat-settings-tab {
  flex: 1 1 0;
  padding: 7px 10px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.3;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, box-shadow .15s ease;
}

.chat-settings-tab:hover:not(.active) {
  color: var(--text);
}

.chat-settings-tab.active {
  background: var(--bg-raised, #fff);
  color: var(--accent);
  box-shadow: 0 1px 3px rgba(22, 31, 44, 0.12);
}

.chat-settings-group:not(.active) {
  display: none;
}

.chat-settings-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.chat-settings-copy {
  display: grid;
  gap: 4px;
}

.chat-settings-kicker {
  font-size: 11px;
  line-height: 1.4;
  color: var(--text-dim);
  letter-spacing: .08em;
  text-transform: uppercase;
}

.chat-settings-head h2 {
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -.02em;
  font-weight: 500;
}

.chat-settings-close {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.chat-settings-close:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.chat-settings-body {
  min-height: 0;
  display: grid;
  gap: 24px;
  overflow: auto;
  padding-right: 2px;
}

/* Grouped settings: a labelled cluster of related sections. */
.chat-settings-group {
  display: grid;
  gap: 16px;
}

.chat-settings-group-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.chat-settings-section {
  display: grid;
  gap: 12px;
}

.chat-settings-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.chat-settings-section-head h3 {
  font-size: 14px;
  line-height: 1.4;
  font-weight: 500;
}

.chat-settings-value {
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-dim);
}

.chat-settings-slider {
  display: grid;
  gap: 10px;
}

.chat-settings-slider input[type="range"] {
  width: 100%;
  margin: 0;
  accent-color: var(--accent);
}

.chat-settings-textarea {
  width: 100%;
  min-height: 116px;
  resize: vertical;
  padding: 12px 13px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 84%, transparent);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  line-height: 1.55;
  outline: none;
}

.chat-settings-textarea:focus {
  border-color: var(--accent-line);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-soft) 72%, transparent);
}

.chat-settings-option-list {
  display: grid;
  gap: 10px;
}

.chat-settings-option-list.compact {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.chat-settings-option {
  min-height: 50px;
  padding: 0 14px;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 84%, transparent);
  background: rgba(255, 255, 255, 0.62);
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
}

.chat-settings-option.compact {
  min-height: 44px;
  border-radius: 14px;
  padding: 0 12px;
}

.chat-settings-option:hover,
.chat-settings-option.active {
  border-color: var(--accent-line);
  background: color-mix(in srgb, var(--accent-soft) 68%, white 32%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-line) 74%, transparent);
}

.chat-settings-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.chat-settings-option-mark {
  margin-left: auto;
}

.chat-settings-option-label {
  min-width: 0;
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
}

.chat-settings-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.chat-main-body {
  --conversation-accent: color-mix(in srgb, var(--accent) 88%, #0c3d92 12%);
  position: relative;
  flex: 1;
  min-height: 0;
  color: var(--conversation-text);
  overflow: hidden;
}

/* The inner wrapper is the actual scroller; padding lives here so the flow
   canvas (a static backdrop in the non-scrolling body) can stay full-bleed. */
.chat-conversation-scroll {
  position: relative;
  z-index: 1;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  overflow-anchor: none;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
  padding: 22px clamp(18px, 3vw, 36px) 14px;
}

/* Flow-gradient background: an absolute canvas filling the non-scrolling body.
   Because it lives outside the scroller, it never affects scroll height and
   always covers the full conversation area. */
.chat-flow-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.chat-flow-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: var(--chat-flow-opacity, 1);
  transition: opacity .4s ease;
}

.chat-main-body:not(.flow-active) .chat-flow-layer {
  display: none;
}

/* Keep conversation content above the canvas. */
.chat-main-body.flow-active > .chat-conversation-scroll {
  position: relative;
  z-index: 1;
}

.session-list,
.session-search-panel,
.batch-model-picker,
.chat-settings-body,
.source-dialog-body,
.agent-list-scroll,
.reader-document-picker-body,
.reader-document-picker-selected-list {
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
}

.chat-scroll-bottom {
  --scroll-bottom-opacity: 0;
  --scroll-bottom-visibility: 0;
  --scroll-bottom-bottom-offset: 26px;
  --scroll-bottom-scale: .92;
  position: absolute;
  right: clamp(18px, 3vw, 34px);
  bottom: var(--scroll-bottom-bottom-offset);
  z-index: 9;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 74%, transparent);
  background:
    radial-gradient(circle at 30% 28%, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.56) 38%, rgba(232, 239, 247, 0.92) 100%);
  color: color-mix(in srgb, var(--text) 74%, var(--accent) 26%);
  box-shadow:
    0 14px 26px rgba(19, 29, 44, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: var(--scroll-bottom-opacity);
  transform: translate3d(0, 0, 0) scale(var(--scroll-bottom-scale));
  transition:
    opacity .18s ease,
    transform .22s cubic-bezier(.22, 1, .36, 1),
    border-color .18s ease,
    color .18s ease,
    box-shadow .18s ease,
    background .18s ease;
  pointer-events: auto;
  -webkit-backdrop-filter: saturate(1.12) blur(14px);
  backdrop-filter: saturate(1.12) blur(14px);
}

.chat-scroll-bottom.hidden {
  opacity: 0;
  transform: translate3d(0, 8px, 0) scale(.88);
  pointer-events: none;
}

.chat-scroll-bottom.visible {
  opacity: var(--scroll-bottom-opacity);
}

.chat-scroll-bottom:hover,
.chat-scroll-bottom:focus-visible {
  opacity: 1;
  color: var(--accent);
  border-color: var(--accent-line);
  background:
    radial-gradient(circle at 28% 24%, rgba(255, 255, 255, 0.98), rgba(250, 252, 255, 0.74) 42%, color-mix(in srgb, var(--accent-soft) 52%, rgba(234, 241, 248, 0.88)) 100%);
  box-shadow:
    0 18px 34px rgba(19, 29, 44, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.86);
  transform: translate3d(0, 0, 0) scale(1);
}

.chat-scroll-bottom:disabled {
  cursor: default;
}

.chat-scroll-bottom iconify-icon {
  display: block;
}

.chat-scroll-bottom-ring {
  position: absolute;
  inset: 5px;
  border-radius: inherit;
  border: 1px solid color-mix(in srgb, var(--line-soft) calc(48% + var(--scroll-bottom-visibility) * 30%), transparent);
  opacity: calc(.2 + var(--scroll-bottom-visibility) * .46);
  transition: opacity .18s ease, border-color .18s ease;
}

.chat-scroll-bottom:hover .chat-scroll-bottom-ring,
.chat-scroll-bottom:focus-visible .chat-scroll-bottom-ring {
  opacity: .72;
  border-color: color-mix(in srgb, var(--accent-line) 72%, transparent);
}

.chat-map-drawer {
  position: fixed;
  inset: 0;
  z-index: 18;
  pointer-events: auto;
}

.chat-map-drawer-scrim {
  position: absolute;
  inset: 0;
  border: none;
  background: rgba(22, 31, 44, 0.14);
  -webkit-backdrop-filter: blur(2px) saturate(1.02);
  backdrop-filter: blur(2px) saturate(1.02);
  opacity: 0;
  cursor: pointer;
  pointer-events: auto;
  transition: opacity .26s ease;
}

.chat-map-drawer-shell {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 50vw;
  min-width: 360px;
  height: 100%;
  display: flex;
  flex-direction: column;
  border-left: 1px solid color-mix(in srgb, var(--line-soft) 86%, transparent);
  background: color-mix(in srgb, rgba(255, 255, 255, 0.82) 74%, rgba(233, 239, 246, 0.74));
  -webkit-backdrop-filter: saturate(1.12) blur(18px);
  backdrop-filter: saturate(1.12) blur(18px);
  box-shadow: -18px 0 34px rgba(20, 30, 46, 0.08);
  pointer-events: auto;
  transform: translate3d(100%, 0, 0);
  opacity: .92;
  transition:
    transform .3s cubic-bezier(.22, 1, .36, 1),
    opacity .22s ease;
  will-change: transform, opacity;
}

.chat-map-drawer.open .chat-map-drawer-scrim {
  opacity: 1;
}

.chat-map-drawer.open .chat-map-drawer-shell {
  transform: translate3d(0, 0, 0);
  opacity: 1;
}

.chat-map-drawer-head {
  min-height: 58px;
  padding: 14px 16px 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--line-soft) 84%, transparent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.chat-map-drawer-copy {
  display: grid;
  gap: 2px;
}

.chat-map-drawer-kicker {
  font-size: 10px;
  line-height: 1.2;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.chat-map-drawer-title {
  font-size: 13px;
  line-height: 1.35;
  color: var(--text);
}

.chat-map-drawer-close {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.chat-map-drawer-close:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.chat-map-drawer-body {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  padding: 14px 16px 16px;
}

.chat-map-canvas-wrap {
  min-height: 0;
  height: 100%;
}

.chat-map-canvas {
  position: relative;
  z-index: 0;
  isolation: isolate;
  width: 100%;
  height: 100%;
  min-height: 300px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  border-radius: 18px;
  overflow: hidden;
  background: color-mix(in srgb, var(--bg-overlay) 54%, var(--bg-raised) 46%);
}

.chat-map-stage {
  position: relative;
  z-index: 0;
  width: 100%;
  height: 100%;
  user-select: none;
}

.chat-map-stage,
.chat-map-stage * {
  user-select: none;
}

.chat-map-stage .maplibregl-map,
.chat-map-stage .maplibregl-canvas-container,
.chat-map-stage .maplibregl-canvas {
  width: 100%;
  height: 100%;
  z-index: 0 !important;
}

.chat-map-stage .maplibregl-attrib-button,
.chat-map-stage .maplibregl-ctrl-attrib {
  display: none !important;
}

.chat-map-stage .maplibregl-canvas {
  outline: none;
}

.chat-map-stage .maplibregl-canvas-container.maplibregl-interactive,
.chat-map-stage .maplibregl-canvas-container.maplibregl-interactive .maplibregl-canvas {
  cursor: grab;
}

.chat-map-stage .maplibregl-canvas-container.maplibregl-interactive:active,
.chat-map-stage .maplibregl-canvas-container.maplibregl-interactive:active .maplibregl-canvas {
  cursor: grabbing;
}

.chat-map-marker {
  position: relative;
  width: 14px;
  height: 14px;
  padding: 0;
  border: none;
  background: transparent;
  display: block;
  cursor: pointer;
  outline: none;
}

.chat-map-marker-pin {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 14px;
  height: 14px;
  padding: 0;
  display: grid;
  place-items: center;
  transform: rotate(45deg);
  border-radius: 14px 14px 2px 14px;
  background: #00b36b;
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--bg-raised) 88%, var(--bg) 12%),
    0 5px 12px rgba(0, 92, 55, 0.24);
  transition: background .18s ease, box-shadow .18s ease;
}

.chat-map-marker-core {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: #fff;
  transform: rotate(-45deg);
  transition: transform .18s ease, background .18s ease;
}

.chat-map-marker-label {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  max-width: 128px;
  padding: 3px 7px 4px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 5px 12px rgba(20, 30, 46, 0.1);
  font-size: 10.5px;
  line-height: 1.25;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition:
    transform .18s ease,
    border-color .18s ease,
    box-shadow .18s ease,
    color .18s ease;
}

.chat-map-error {
  height: 100%;
  display: grid;
  place-items: center;
  padding: 16px;
  color: var(--text-muted);
  font-size: 12px;
}

.agent-picker-host {
  position: absolute;
  left: 50%;
  bottom: var(--agent-picker-offset);
  transform: translateX(-50%);
  z-index: 8;
  width: min(880px, calc(100% - 36px));
  padding: 0;
  pointer-events: none;
}

.message-stack {
  width: min(880px, 100%);
  max-width: 100%;
  min-width: 0;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-anchor: none;
}

.message-context-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-dim);
  font-size: 11.5px;
  line-height: 1.4;
}

.message-context-divider::before,
.message-context-divider::after {
  content: "";
  flex: 1 1 auto;
  min-width: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--line) 76%, transparent));
}

.message-context-divider::after {
  background: linear-gradient(90deg, color-mix(in srgb, var(--line) 76%, transparent), transparent);
}

.message-context-divider span {
  flex: 0 0 auto;
  padding: 0 1px;
}

.chat-empty-panel {
  width: min(880px, 100%);
  max-width: 100%;
  min-width: 0;
  margin: 0 auto;
  min-height: 100%;
  display: flex;
  align-items: center;
}

.chat-empty-card {
  width: 100%;
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.chat-session-skeleton {
  width: min(880px, 100%);
  max-width: 100%;
  min-width: 0;
  margin: 0 auto;
}

.chat-session-skeleton-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.chat-session-skeleton-message {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.chat-session-skeleton-message.user {
  align-items: flex-end;
}

.chat-session-skeleton-message.assistant {
  align-items: flex-start;
}

.chat-session-skeleton-meta,
.chat-session-skeleton-line {
  position: relative;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-overlay) 72%, var(--line-soft) 28%);
}

.chat-session-skeleton-meta::after,
.chat-session-skeleton-line::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.56), transparent);
  animation: chat-skeleton-sheen 1.5s ease-in-out infinite;
}

.chat-session-skeleton-meta.short {
  width: 118px;
  height: 12px;
}

.chat-session-skeleton-meta.tiny {
  width: 84px;
  height: 12px;
}

.chat-session-skeleton-bubble {
  width: min(720px, 100%);
  min-width: 0;
  padding: 14px 16px;
  border-radius: 20px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 84%, transparent);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.56));
  box-shadow: 0 12px 24px rgba(24, 35, 52, 0.04);
  display: grid;
  gap: 8px;
}

.chat-session-skeleton-bubble.compact {
  width: min(420px, 100%);
}

.chat-session-skeleton-line {
  display: block;
  height: 12px;
}

.chat-session-skeleton-line.w-36 {
  width: 36%;
}

.chat-session-skeleton-line.w-44 {
  width: 44%;
}

.chat-session-skeleton-line.w-58 {
  width: 58%;
}

.chat-session-skeleton-line.w-68 {
  width: 68%;
}

.chat-session-skeleton-line.w-72 {
  width: 72%;
}

.chat-session-skeleton-line.w-78 {
  width: 78%;
}

.chat-session-skeleton-line.w-88 {
  width: 88%;
}

.chat-session-skeleton-line.w-96 {
  width: 96%;
}

@keyframes chat-skeleton-sheen {
  to {
    transform: translateX(100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .chat-session-skeleton-meta::after,
  .chat-session-skeleton-line::after,
  .message-bubble.streaming,
  .message-md-content-tail-overlay.stream-reveal-tail-overlay,
  .message-stream-block.stream-reveal-block,
  .message-stream-inline-reveal.stream-reveal-inline,
  .message-stream-target.stream-reveal-target {
    animation: none;
  }
}

.message {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 8px;
}

.message > [data-message-part]:empty {
  display: none;
}

.message.user {
  align-items: flex-end;
}

.message.assistant {
  align-items: flex-start;
}

.message-bubble-slot,
.message-batch-progress-slot,
.message-tool-slot,
.message-error-slot,
.message-attachments-slot,
.message-sources-slot {
  width: 100%;
  min-width: 0;
  display: flex;
}

.message.user .message-bubble-slot,
.message.user .message-batch-progress-slot,
.message.user .message-tool-slot,
.message.user .message-error-slot,
.message.user .message-attachments-slot,
.message.user .message-sources-slot {
  justify-content: flex-end;
}

.message.assistant .message-bubble-slot,
.message.assistant .message-batch-progress-slot,
.message.assistant .message-tool-slot,
.message.assistant .message-error-slot,
.message.assistant .message-attachments-slot,
.message.assistant .message-sources-slot {
  justify-content: flex-start;
}

.message.highlighted .message-bubble {
  border-color: color-mix(in srgb, var(--accent-line) 84%, var(--accent) 16%);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent-line) 76%, transparent),
    0 12px 24px rgba(24, 35, 52, 0.05);
}

.message-meta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  color: var(--text-dim);
  min-width: 0;
}

.message-meta-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.agent-avatar {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 74%, transparent);
  background:
    radial-gradient(circle at 32% 24%, color-mix(in srgb, white 58%, transparent), transparent 34%),
    linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 82%, white 18%), color-mix(in srgb, var(--bg-overlay) 88%, white 12%));
  color: color-mix(in srgb, var(--accent) 82%, var(--text) 18%);
  display: inline-grid;
  place-items: center;
  overflow: hidden;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: -.03em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.64);
}

.agent-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.message-map-meta-trigger {
  min-height: 18px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.4;
  opacity: 0;
  cursor: pointer;
  transition: opacity .15s ease, color .15s ease;
}

.message-meta:hover .message-meta-actions .message-map-meta-trigger,
.message-meta:focus-within .message-meta-actions .message-map-meta-trigger,
.message-meta:hover .message-map-meta-trigger,
.message-meta:focus-within .message-map-meta-trigger,
.message-map-meta-trigger:focus-visible,
.message-map-meta-trigger.visible {
  opacity: 1;
}

.message-map-meta-trigger:hover,
.message-map-meta-trigger.ready {
  color: var(--accent);
}

.message-map-meta-trigger:disabled {
  cursor: default;
}

.message-map-meta-trigger svg {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
  overflow: visible;
}

.message-map-meta-trigger svg path,
.message-map-meta-trigger svg circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.message-map-meta-trigger svg circle {
  fill: currentColor;
  stroke: none;
}

.message-map-meta-spinner {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  border: 1.5px solid color-mix(in srgb, currentColor 24%, transparent);
  border-top-color: currentColor;
  animation: spin .72s linear infinite;
}

.message-bubble {
  max-width: min(720px, 100%);
  min-width: 0;
  font-family: var(--font-sans);
  border-radius: 20px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.72);
  padding: 14px 16px;
  word-break: break-word;
  overflow-x: visible;
  box-shadow: 0 12px 24px rgba(24, 35, 52, 0.05);
}

.message-md-content {
  display: grid;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 350;
  line-height: 1.7;
  min-width: 0;
  overflow-x: visible;
}

.message-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(128px, 1fr));
  gap: 8px;
  margin-bottom: 8px;
  max-width: min(520px, 100%);
}

.message-image-button {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  max-height: 240px;
  min-width: 0;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 74%, transparent);
  padding: 0;
  background: color-mix(in srgb, var(--bg-overlay) 70%, var(--bg-raised) 30%);
  cursor: zoom-in;
}

.message-image-button img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-preview-layer {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 32px;
}

.image-preview-scrim {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(12, 18, 28, 0.72);
  cursor: zoom-out;
}

.image-preview-frame {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  max-width: min(1080px, calc(100vw - 48px));
  max-height: calc(100vh - 48px);
}

.image-preview-frame img {
  display: block;
  max-width: min(1080px, calc(100vw - 48px));
  max-height: calc(100vh - 48px);
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

.image-preview-close {
  position: absolute;
  top: -14px;
  right: -14px;
  z-index: 2;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: #1c2128;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}
.message-streaming-text {
  white-space: pre-wrap;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 350;
  line-height: 1.7;
  color: inherit;
}

.message-markdown-streaming {
  contain: content;
}

.message-bubble.streaming {
  animation: message-stream-bubble-enter .52s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.message-stream-markdown {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.message-md-content-stream {
  min-width: 0;
  gap: 6px;
}

.message-md-content-stream:empty {
  display: none;
}

.message-md-content-tail {
  position: relative;
  opacity: 1;
  transform-origin: left top;
  will-change: opacity, transform, filter;
}

.message-md-content-tail.has-content {
  min-height: 1.7em;
}

.message-md-content-tail-base,
.message-md-content-tail-overlay {
  min-width: 0;
}

.message-md-content-tail-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  color: color-mix(in srgb, var(--accent) 68%, white 32%);
  text-shadow:
    0 0 0.6px color-mix(in srgb, var(--accent) 52%, transparent),
    0 0 14px color-mix(in srgb, var(--accent-soft) 88%, transparent);
}

.message-md-content-tail-overlay.stream-reveal-tail-overlay {
  --stream-reveal-band: 280px;
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent 0,
    transparent calc(50% - var(--stream-reveal-band)),
    rgba(0, 0, 0, 0.02) calc(50% - calc(var(--stream-reveal-band) * .58)),
    rgba(0, 0, 0, 0.38) calc(50% - calc(var(--stream-reveal-band) * .2)),
    rgba(0, 0, 0, 0.92) calc(50% - calc(var(--stream-reveal-band) * .02)),
    #000 calc(50% + calc(var(--stream-reveal-band) * .18)),
    #000 100%
  );
  mask-image: linear-gradient(
    90deg,
    transparent 0,
    transparent calc(50% - var(--stream-reveal-band)),
    rgba(0, 0, 0, 0.02) calc(50% - calc(var(--stream-reveal-band) * .58)),
    rgba(0, 0, 0, 0.38) calc(50% - calc(var(--stream-reveal-band) * .2)),
    rgba(0, 0, 0, 0.92) calc(50% - calc(var(--stream-reveal-band) * .02)),
    #000 calc(50% + calc(var(--stream-reveal-band) * .18)),
    #000 100%
  );
  -webkit-mask-size: calc(100% + calc(var(--stream-reveal-band) * 2.9)) 100%;
  mask-size: calc(100% + calc(var(--stream-reveal-band) * 2.9)) 100%;
  -webkit-mask-position: 100% 0;
  mask-position: 100% 0;
  animation: message-stream-tail-overlay-mask 1.08s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.message-stream-block {
  min-width: 0;
  transform-origin: left top;
  will-change: opacity, transform, filter;
}

.message-stream-block.stream-reveal-block {
  --stream-reveal-band: 128px;
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent 0,
    transparent calc(50% - var(--stream-reveal-band)),
    rgba(0, 0, 0, 0.16) calc(50% - calc(var(--stream-reveal-band) * .46)),
    rgba(0, 0, 0, 0.8) calc(50% - calc(var(--stream-reveal-band) * .1)),
    #000 calc(50% + calc(var(--stream-reveal-band) * .12)),
    #000 100%
  );
  mask-image: linear-gradient(
    90deg,
    transparent 0,
    transparent calc(50% - var(--stream-reveal-band)),
    rgba(0, 0, 0, 0.16) calc(50% - calc(var(--stream-reveal-band) * .46)),
    rgba(0, 0, 0, 0.8) calc(50% - calc(var(--stream-reveal-band) * .1)),
    #000 calc(50% + calc(var(--stream-reveal-band) * .12)),
    #000 100%
  );
  -webkit-mask-size: calc(100% + calc(var(--stream-reveal-band) * 2.1)) 100%;
  mask-size: calc(100% + calc(var(--stream-reveal-band) * 2.1)) 100%;
  -webkit-mask-position: 100% 0;
  mask-position: 100% 0;
  animation: message-stream-block-mask .66s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.message-stream-inline-reveal {
  display: inline;
  position: relative;
  will-change: opacity, filter, -webkit-mask-position, mask-position;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.message-stream-inline-reveal.stream-reveal-inline {
  --stream-mask-band: 92px;
  color: inherit;
  background-image: linear-gradient(90deg, currentColor 0%, currentColor 100%);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent 0,
    transparent calc(50% - var(--stream-mask-band)),
    rgba(0, 0, 0, 0.22) calc(50% - calc(var(--stream-mask-band) * .54)),
    rgba(0, 0, 0, 0.9) 50%,
    #000 calc(50% + calc(var(--stream-mask-band) * .18)),
    #000 100%
  );
  mask-image: linear-gradient(
    90deg,
    transparent 0,
    transparent calc(50% - var(--stream-mask-band)),
    rgba(0, 0, 0, 0.22) calc(50% - calc(var(--stream-mask-band) * .54)),
    rgba(0, 0, 0, 0.9) 50%,
    #000 calc(50% + calc(var(--stream-mask-band) * .18)),
    #000 100%
  );
  -webkit-mask-size: calc(100% + calc(var(--stream-mask-band) * 2.2)) 100%;
  mask-size: calc(100% + calc(var(--stream-mask-band) * 2.2)) 100%;
  -webkit-mask-position: 100% 0;
  mask-position: 100% 0;
  animation: message-stream-inline-mask .64s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.message-stream-target.stream-reveal-target {
  --stream-reveal-band: 136px;
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent 0,
    transparent calc(50% - var(--stream-reveal-band)),
    rgba(0, 0, 0, 0.16) calc(50% - calc(var(--stream-reveal-band) * .46)),
    rgba(0, 0, 0, 0.8) calc(50% - calc(var(--stream-reveal-band) * .1)),
    #000 calc(50% + calc(var(--stream-reveal-band) * .14)),
    #000 100%
  );
  mask-image: linear-gradient(
    90deg,
    transparent 0,
    transparent calc(50% - var(--stream-reveal-band)),
    rgba(0, 0, 0, 0.16) calc(50% - calc(var(--stream-reveal-band) * .46)),
    rgba(0, 0, 0, 0.8) calc(50% - calc(var(--stream-reveal-band) * .1)),
    #000 calc(50% + calc(var(--stream-reveal-band) * .14)),
    #000 100%
  );
  -webkit-mask-size: calc(100% + calc(var(--stream-reveal-band) * 2.15)) 100%;
  mask-size: calc(100% + calc(var(--stream-reveal-band) * 2.15)) 100%;
  -webkit-mask-position: 100% 0;
  mask-position: 100% 0;
  animation: message-stream-target-mask .76s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes message-stream-bubble-enter {
  from {
    opacity: 0;
    transform: translate3d(0, 10px, 0) scale(.992);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    filter: blur(0px);
  }
}

@keyframes message-stream-block-enter {
  from {
    opacity: 0;
    transform: translate3d(0, 12px, 0) scale(.988);
    filter: blur(10px);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    filter: blur(0px);
  }
}

@keyframes message-stream-block-mask {
  from {
    opacity: 0;
    transform: translate3d(0, 10px, 0) scale(.992);
    filter: blur(10px);
    -webkit-mask-position: 100% 0;
    mask-position: 100% 0;
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    filter: blur(0px);
    -webkit-mask-position: 0 0;
    mask-position: 0 0;
  }
}

@keyframes message-stream-tail-overlay-mask {
  from {
    opacity: .96;
    transform: translate3d(0, 0, 0) scale(1);
    filter: blur(12px);
    -webkit-mask-position: 100% 0;
    mask-position: 100% 0;
  }
  18% {
    opacity: 1;
    filter: blur(8px);
  }
  76% {
    opacity: 1;
  }
  to {
    opacity: 0;
    transform: translate3d(0, 0, 0) scale(1);
    filter: blur(0px);
    -webkit-mask-position: 0 0;
    mask-position: 0 0;
  }
}

@keyframes message-stream-target-mask {
  from {
    opacity: 0;
    transform: translate3d(0, 10px, 0) scale(.99);
    filter: blur(10px);
    -webkit-mask-position: 100% 0;
    mask-position: 100% 0;
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
    filter: blur(0px);
    -webkit-mask-position: 0 0;
    mask-position: 0 0;
  }
}

@keyframes message-stream-inline-mask {
  from {
    opacity: 0;
    filter: blur(8px);
    -webkit-mask-position: 100% 0;
    mask-position: 100% 0;
  }
  to {
    opacity: 1;
    filter: blur(0px);
    -webkit-mask-position: 0 0;
    mask-position: 0 0;
  }
}

.message-md-content > * {
  min-width: 0;
  max-width: 100%;
}

.message-md-line,
.message-md-heading {
  min-height: 1.7em;
}

.message-md-break {
  min-height: 0;
}

.message-md-line,
.message-md-heading-text {
  white-space: pre-wrap;
}

.message-md-content strong {
  color: var(--conversation-accent);
  font-weight: 400;
}

.message-md-content em {
  font-style: italic;
}

.message-md-inline-code {
  display: inline-block;
  padding: 1px 6px 2px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--accent-soft) 56%, var(--bg-raised) 44%);
  color: color-mix(in srgb, var(--conversation-accent) 82%, var(--text) 18%);
  font-family: inherit;
  font-size: 12.5px;
  line-height: 1.65;
  white-space: break-spaces;
  word-break: break-word;
  vertical-align: baseline;
}

.message-md-heading {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: inherit;
  line-height: inherit;
}

.message.message-heading-hierarchy-hoverable:hover .message-md-heading-level-1 > .message-md-heading-text,
.message.message-heading-hierarchy-hoverable:focus-within .message-md-heading-level-1 > .message-md-heading-text {
  font-weight: 900;
}

.message.message-heading-hierarchy-hoverable:hover .message-md-heading-level-2 > .message-md-heading-text,
.message.message-heading-hierarchy-hoverable:focus-within .message-md-heading-level-2 > .message-md-heading-text {
  font-weight: 600;
}

.message.message-heading-hierarchy-hoverable:hover .message-md-heading-level-3 > .message-md-heading-text,
.message.message-heading-hierarchy-hoverable:focus-within .message-md-heading-level-3 > .message-md-heading-text {
  font-weight: 350;
}

.message-md-heading-tag {
  flex: 0 0 auto;
  position: relative;
  top: 1px;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  background: color-mix(in srgb, var(--bg-overlay) 48%, transparent);
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: .04em;
}

.message-md-heading-text {
  min-width: 0;
  font-size: inherit;
  line-height: inherit;
  color: var(--conversation-accent);
  font-weight: 350;
}

.message-md-link {
  color: var(--conversation-accent);
  text-decoration-line: underline;
  text-decoration-style: dashed;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in srgb, var(--conversation-accent) 58%, transparent);
  text-underline-offset: .16em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.message-md-link:hover {
  text-decoration-color: currentColor;
}

.message-md-rule {
  width: 100%;
  height: 1px;
  margin: 7px 0;
  border: none;
  background: linear-gradient(90deg, transparent, var(--line) 14%, var(--line) 86%, transparent);
}

.message-md-quote {
  position: relative;
  min-width: 0;
  margin: 2px 0;
  padding: 9px 12px 9px 14px;
  overflow: hidden;
  border-left: 3px solid color-mix(in srgb, var(--conversation-accent) 55%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg-overlay) 62%, var(--bg-raised) 38%);
  color: color-mix(in srgb, var(--text) 86%, var(--text-muted) 14%);
}

.message-md-quote > .message-md-content {
  gap: 4px;
  font-size: inherit;
  line-height: inherit;
}

.message-md-quote .message-md-quote {
  margin-top: 6px;
  background: color-mix(in srgb, var(--bg-raised) 72%, transparent);
}

.message-md-list {
  margin: 0;
  padding-left: 0;
  color: inherit;
}

.message-md-list > li {
  margin: 0;
  line-height: 1.7;
}

.message-md-list > li + li {
  margin-top: 7px;
}

.message-md-list > li > .message-md-list {
  margin-top: 7px;
}

.message-md-list-item-content {
  min-width: 0;
}

.message-md-list-ul {
  list-style: none;
  padding-left: 0.3em;
}

.message-md-list-ul > li {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  column-gap: .45em;
  align-items: start;
}

.message-md-list-ul > li::before {
  content: '';
  width: .58em;
  height: .28em;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 4' fill='none'%3E%3Cpath d='M1 2H11' stroke='currentColor' stroke-width='1.15' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% 100%;
  opacity: .72;
  margin-top: .76em;
}

.message-md-list-ul > li > .message-md-list {
  grid-column: 2;
}

.message-md-content > .message-md-list-ul + :not(.message-md-list),
.message-md-content > .message-md-list-ol + :not(.message-md-list),
.message-md-quote > .message-md-content > .message-md-list-ul + :not(.message-md-list),
.message-md-quote > .message-md-content > .message-md-list-ol + :not(.message-md-list),
.message-md-content-stream > .message-md-list-ul + :not(.message-md-list),
.message-md-content-stream > .message-md-list-ol + :not(.message-md-list) {
  margin-top: 4px;
}

.message-md-list-ol {
  padding-left: 0.3em;
  list-style: none;
}

.message-md-list-ol[data-depth="0"] {
  padding-left: 0.15em;
}

.message-md-list-ol > li {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  column-gap: .45em;
  align-items: start;
}

.message-md-list-ol > li > .message-md-list {
  grid-column: 2;
}

.message-md-list-marker {
  min-width: 1.5em;
  margin-top: .03em;
  color: color-mix(in srgb, var(--text) 86%, transparent);
  text-align: right;
  font-variant-numeric: tabular-nums;
  line-height: 1.7;
}

.message-md-list-ol > li::marker {
  color: color-mix(in srgb, var(--text) 86%, transparent);
}

.message-md-table-wrap {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background: color-mix(in srgb, var(--bg-raised) 72%, transparent);
}

.message-md-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  color: inherit;
  font-size: inherit;
  line-height: inherit;
}

.message-md-table th,
.message-md-table td {
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid color-mix(in srgb, var(--line-soft) 78%, transparent);
}

.message-md-table th {
  color: var(--conversation-accent);
  font-weight: 400;
  background: color-mix(in srgb, var(--bg-overlay) 48%, transparent);
}

.message-md-table tbody tr:last-child td {
  border-bottom: none;
}

.message-md-code-block {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--line-soft) 86%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-overlay) 72%, var(--bg-raised) 28%);
}

.message-md-code-block-svg {
  display: grid;
}

.message-md-code-lang {
  min-height: 28px;
  padding: 6px 11px 0;
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.4;
  text-transform: lowercase;
  letter-spacing: .04em;
}

.message-md-svg-preview {
  margin: 4px 10px 0;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg-raised) 88%, white 12%), color-mix(in srgb, var(--bg-overlay) 52%, white 48%)),
    linear-gradient(45deg, rgba(23, 31, 44, 0.035) 25%, transparent 25%, transparent 75%, rgba(23, 31, 44, 0.035) 75%, rgba(23, 31, 44, 0.035)),
    linear-gradient(45deg, rgba(23, 31, 44, 0.035) 25%, transparent 25%, transparent 75%, rgba(23, 31, 44, 0.035) 75%, rgba(23, 31, 44, 0.035));
  background-size: auto, 16px 16px, 16px 16px;
  background-position: 0 0, 0 0, 8px 8px;
  overflow: auto hidden;
}

.message-md-svg-preview-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
  margin: 0 auto;
}

.message-md-code-pre {
  margin: 0;
  padding: 10px 12px 12px;
  overflow-x: auto;
  overflow-y: hidden;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.65;
  white-space: pre;
  scrollbar-width: thin;
}

.message-md-code-pre code {
  font: inherit;
  color: inherit;
}

.message-md-math-block {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
  overflow-y: hidden;
  padding: 2px 0;
  contain: inline-size;
}

.message-md-math-viewport {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}

.message-md-math-inner {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.message-md-math-inner::-webkit-scrollbar {
  display: none;
}

.message-md-math-source {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.65;
}

.message-markdown .katex-display,
.message-reasoning-body .katex-display {
  margin: 0.5em 0;
  max-width: 100%;
  min-width: 0;
  overflow-x: hidden;
  overflow-y: hidden;
}

.message-markdown .katex,
.message-reasoning-body .katex {
  max-width: 100%;
  min-width: 0;
}

.message-markdown .katex-display > .katex,
.message-reasoning-body .katex-display > .katex {
  max-width: 100%;
  min-width: 0;
}

html:not(.katex-fonts-ready) .message-markdown .katex-display,
html:not(.katex-fonts-ready) .message-reasoning-body .katex-display,
html:not(.katex-fonts-ready) .message-md-math-block[data-math-rendered="true"] {
  overflow-x: hidden;
}

.message.user .message-bubble {
  background: linear-gradient(180deg, rgba(230, 240, 253, 0.95), rgba(242, 247, 255, 0.95));
  border-color: var(--accent-line);
}

.message-streaming-indicator {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-top: 7px;
  color: var(--conversation-accent);
}

.message-streaming-icon {
  width: 18px;
  height: 19px;
  display: block;
  overflow: visible;
}

.message-streaming-icon circle {
  stroke: currentColor;
}

.message-tool-status {
  max-width: min(720px, 100%);
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid color-mix(in srgb, var(--accent-line) 72%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-soft) 62%, transparent);
  color: color-mix(in srgb, var(--conversation-accent) 88%, var(--text) 12%);
  font-size: 12px;
  line-height: 1.35;
}

.message-tool-status.done {
  color: var(--text-dim);
  border-color: color-mix(in srgb, var(--line-soft) 82%, transparent);
  background: color-mix(in srgb, var(--bg-raised) 72%, transparent);
}

.message-tool-status.error {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 28%, transparent);
  background: color-mix(in srgb, var(--danger) 10%, transparent);
}

.message-tool-status-dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
  box-shadow: 0 0 0 4px color-mix(in srgb, currentColor 14%, transparent);
}

.batch-progress-card {
  width: min(720px, 100%);
  padding: 12px 13px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 84%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-raised) 76%, transparent);
  display: grid;
  gap: 10px;
  color: var(--text-muted);
}

.batch-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  line-height: 1.4;
}

.batch-progress-label {
  color: var(--text);
}

.batch-progress-count {
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
}

.batch-progress-bar {
  height: 5px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--line-soft) 60%, transparent);
  overflow: hidden;
}

.batch-progress-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width .18s ease;
}

.batch-progress-list {
  display: grid;
  gap: 6px;
}

.batch-progress-item {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  line-height: 1.35;
}

.batch-progress-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--line);
}

.batch-progress-item.running .batch-progress-dot {
  background: var(--accent);
}

.batch-progress-item.done .batch-progress-dot {
  background: color-mix(in srgb, var(--success) 76%, var(--accent) 24%);
}

.batch-progress-item.error .batch-progress-dot {
  background: var(--danger);
}

.batch-progress-item.skipped .batch-progress-dot {
  background: var(--text-muted);
}

.batch-progress-item.skipped .batch-progress-status {
  color: var(--text-muted);
}

.batch-progress-model {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}

.batch-progress-index,
.batch-progress-status {
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.message-error {
  max-width: min(720px, 100%);
  width: fit-content;
  padding: 8px 10px;
  border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent);
  border-radius: 13px;
  background: color-mix(in srgb, var(--danger) 9%, transparent);
  color: var(--danger);
  font-size: 12px;
  line-height: 1.45;
}

.message-sources {
  max-width: min(720px, 100%);
  min-width: 0;
}

.message-sources-documents .message-sources-trigger {
  justify-content: flex-end;
}

.message-sources-trigger {
  width: fit-content;
  max-width: 100%;
  min-height: 32px;
  padding: 6px 9px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-raised) 72%, transparent);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 12px;
  line-height: 1.35;
}

.message-sources-trigger:hover {
  color: var(--accent);
  border-color: var(--accent-line);
  background: color-mix(in srgb, var(--accent-soft) 48%, transparent);
}

.message-base-answers-trigger-wrap {
  border-radius: 16px;
  cursor: default;
}

.message-base-answer-chip {
  padding: 2px 7px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.52);
  color: inherit;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font: inherit;
  cursor: pointer;
}

.message-base-answer-chip:hover {
  color: var(--accent);
  border-color: var(--accent-line);
}

.message-sources-label {
  color: var(--text);
  font-weight: 400;
}

.message-sources-summary {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
}

.attached-reader-document-summary {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
}

.attached-reader-document-summary-item,
.message-sources-summary span {
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.46);
  color: inherit;
}

.message-reasoning {
  max-width: min(720px, 100%);
  min-width: 0;
}

.message-map-actions {
  margin-top: 10px;
  padding-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.message-map-trigger {
  min-height: 18px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 11.5px;
  line-height: 1.4;
  cursor: pointer;
  transition: color .15s ease;
}

.message-map-trigger svg {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  overflow: visible;
}

.message-map-trigger svg path,
.message-map-trigger svg circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.message-map-trigger svg circle {
  fill: currentColor;
  stroke: none;
}

.message-bubble-divider {
  width: 100%;
  height: 1px;
  margin: 12px 0 0;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--line) 82%, transparent) 16%, color-mix(in srgb, var(--line) 82%, transparent) 84%, transparent);
}

.message-map-trigger:hover,
.message-map-trigger.active {
  color: var(--accent);
}

.message-reasoning-details {
  min-width: 0;
  border: 1px solid color-mix(in srgb, var(--line-soft) 86%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-raised) 62%, transparent);
  overflow: hidden;
}

.message-reasoning-details summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
  min-height: 36px;
  padding: 8px 11px;
  color: var(--text-muted);
}

.message-reasoning-details summary::-webkit-details-marker {
  display: none;
}

.message-reasoning-label {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 0;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 400;
}

.message-reasoning-preview {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

.message-reasoning-details[open] .message-reasoning-preview {
  display: none;
}

.message-reasoning-body {
  padding: 0 11px 11px;
  color: var(--text);
}

.message-reasoning-body .message-streaming-text {
  font-size: 12.5px;
  line-height: 1.65;
}

.message-reasoning-body .message-md-content {
  gap: 5px;
  font-size: 12.5px;
  line-height: 1.65;
}

.message-reasoning-note {
  padding: 0 11px 11px;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.55;
}

.composer-wrap {
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg-raised) 88%, transparent);
}

.agent-picker {
  width: 100%;
  margin: 0;
  padding: 8px;
  border: 1px solid color-mix(in srgb, #ffffff 42%, var(--line-soft) 58%);
  border-radius: 16px;
  background: color-mix(in srgb, rgba(255, 255, 255, 0.52) 72%, rgba(227, 234, 243, 0.34));
  box-shadow:
    0 14px 28px rgba(20, 30, 46, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
  display: grid;
  gap: 6px;
  pointer-events: auto;
  -webkit-backdrop-filter: saturate(1.22) blur(18px);
  backdrop-filter: saturate(1.22) blur(18px);
}

.agent-picker-item {
  width: 100%;
  min-height: 42px;
  padding: 8px 10px;
  border-radius: 11px;
  text-align: left;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  color: var(--text);
}

.agent-picker-item:hover,
.agent-picker-item.active {
  background: var(--accent-soft);
}

.agent-picker-item.active {
  box-shadow: inset 0 0 0 1px var(--accent-line);
}

.agent-picker-avatar {
  width: 30px;
  height: 30px;
}

.agent-picker-group-avatar {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent-soft) 72%, white 28%);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.agent-picker-copy {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.agent-picker-name {
  font-weight: 560;
  color: var(--accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-picker-role {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-muted);
  font-size: 12px;
}

.agent-picker-tags {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.agent-picker-empty {
  min-height: 54px;
  padding: 10px 12px;
  border-radius: 12px;
  display: grid;
  align-content: center;
  gap: 2px;
  background: color-mix(in srgb, rgba(255, 255, 255, 0.28) 68%, transparent);
  color: var(--text-muted);
  font-size: 13px;
}

.agent-picker-empty-title {
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.45;
}

.agent-picker-empty-hint {
  color: var(--text-dim);
  font-size: 11.5px;
  line-height: 1.45;
}

.composer {
  --composer-inset: 12px;
  position: relative;
  width: min(880px, 100%);
  max-width: 100%;
  min-width: 0;
  margin: 0 auto;
  padding: var(--composer-inset);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.composer-writer-trigger {
  position: absolute;
  top: 9px;
  right: 10px;
  z-index: 1;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  color: color-mix(in srgb, var(--text-dim) 74%, transparent);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    transform .16s ease,
    background-color .16s ease,
    color .16s ease,
    opacity .16s ease;
}

.composer-writer-trigger:hover {
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.composer-writer-trigger:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 38%, transparent);
  outline-offset: 2px;
}

.composer-image-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding: 0 34px 10px 0;
}

.composer-image-chip {
  position: relative;
  width: 74px;
  height: 74px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--line-soft) 78%, transparent);
  background: color-mix(in srgb, var(--bg-overlay) 70%, var(--bg-raised) 30%);
}

.composer-image-chip img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.composer-image-chip.compressing::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(18, 24, 33, 0.34);
}

.composer-image-placeholder {
  display: block;
  width: 100%;
  height: 100%;
  background: color-mix(in srgb, var(--bg-overlay) 76%, var(--bg-raised) 24%);
}

.composer-image-spinner {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 2;
  width: 22px;
  height: 22px;
  margin: -11px 0 0 -11px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.42);
  border-top-color: #fff;
  animation: composer-image-spin .72s linear infinite;
}

@keyframes composer-image-spin {
  to { transform: rotate(360deg); }
}

.composer-image-chip figcaption {
  position: absolute;
  z-index: 3;
  left: 5px;
  right: 5px;
  bottom: 5px;
  min-width: 0;
  padding: 2px 5px;
  border-radius: 999px;
  background: rgba(18, 24, 33, 0.68);
  color: #fff;
  font-size: 9.5px;
  line-height: 1.25;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.composer-image-chip button {
  position: absolute;
  z-index: 4;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: rgba(18, 24, 33, 0.68);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.composer-image-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.composer-textarea {
  width: 100%;
  min-height: 48px;
  max-height: 220px;
  padding-right: 32px;
  border: none;
  resize: none;
  background: transparent;
  color: var(--text);
  outline: none;
  line-height: 1.7;
}

.composer-actions {
  min-height: 40px;
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
}

.composer-toggle-cluster {
  margin-right: auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.composer-icon-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg-raised) 84%, transparent);
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
  transition:
    transform .16s ease,
    background-color .16s ease,
    color .16s ease,
    box-shadow .16s ease,
    opacity .16s ease;
}

.composer-icon-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.composer-icon-toggle-face {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.composer-icon-toggle iconify-icon {
  display: block;
}

.composer-icon-toggle:hover {
  transform: translateY(-1px);
  color: var(--text);
}

.composer-icon-toggle:active {
  transform: translateY(0);
}

.composer-icon-toggle input:focus-visible + .composer-icon-toggle-face {
  outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent);
  outline-offset: 2px;
  border-radius: inherit;
}

.composer-icon-toggle.active {
  color: var(--accent);
}

.composer-icon-toggle input:disabled + .composer-icon-toggle-face {
  opacity: 1;
}

.composer-icon-toggle.disabled {
  opacity: .46;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.composer-icon-badge {
  position: absolute;
  top: 3px;
  right: 3px;
  min-width: 15px;
  height: 15px;
  padding: 0 4px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-size: 9px;
  line-height: 1;
  font-weight: 700;
  box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--bg-panel) 88%, white 12%);
}

.composer-send {
  min-width: 92px;
  height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: transform .15s ease, opacity .15s ease, filter .15s ease;
}

.composer-send.aborting {
  min-width: 52px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.composer-writer-layer {
  position: fixed;
  inset: 0;
  z-index: 26;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.composer-writer-scrim {
  position: absolute;
  inset: 0;
  background: rgba(19, 29, 42, 0.26);
  cursor: pointer;
}

.composer-writer-card {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  min-height: min(560px, calc(100vh - 48px));
  max-height: calc(100vh - 48px);
  padding: 30px clamp(18px, 4vw, 42px) 18px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 88%, transparent);
  border-radius: 22px;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--line-soft) 34%, transparent) 1px, transparent 1px) 31px 0 / 1px 100% no-repeat,
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), color-mix(in srgb, var(--bg-raised) 96%, var(--bg-overlay) 4%));
  box-shadow: 0 30px 80px rgba(20, 30, 46, 0.25);
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 18px;
}

.composer-writer-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  color: var(--text-dim);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.composer-writer-close:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.composer-writer-surface {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: auto;
  padding: 14px 8px 8px 22px;
  color: var(--text);
  font-size: 17px;
  line-height: 1.85;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  outline: none;
  caret-color: var(--accent);
}

.composer-writer-surface.empty::before {
  content: attr(data-placeholder);
  position: absolute;
  top: 14px;
  left: 22px;
  right: 8px;
  pointer-events: none;
  color: color-mix(in srgb, var(--text-dim) 70%, transparent);
}

.composer-writer-foot {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
}

.composer-writer-count {
  margin-right: auto;
  min-height: 18px;
  color: var(--text-dim);
  font-size: 12px;
}

.composer-writer-confirm {
  min-width: 92px;
  height: 40px;
  padding: 0 16px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  transition: transform .15s ease, filter .15s ease, opacity .15s ease;
}

.composer-writer-confirm:hover {
  transform: translateY(-1px);
  filter: brightness(1.02);
}

.composer-send iconify-icon {
  display: block;
}

.composer-send:hover {
  transform: translateY(-1px);
  filter: saturate(1.04);
}

.composer-send:active {
  transform: translateY(0);
}

.composer-send:disabled {
  opacity: .55;
  cursor: not-allowed;
  transform: none;
}

.agent-panel-note {
  width: min(880px, 100%);
  max-width: 100%;
  min-width: 0;
  margin: 0 auto 16px;
  padding: 11px 13px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-muted);
}

.agent-panel-note.error {
  border-color: color-mix(in srgb, var(--danger) 26%, var(--line) 74%);
  background: var(--danger-soft);
  color: #8e3127;
}

.chat-notice-toast {
  position: absolute;
  top: calc(var(--chat-main-head-height) + 12px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 6;
  width: fit-content;
  max-width: min(360px, calc(100% - 24px));
  margin: 0;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, #d0a55a 38%, var(--line-soft) 62%);
  background: color-mix(in srgb, #f6e4bd 74%, rgba(255, 250, 241, 0.96));
  color: #6e5221;
  box-shadow: 0 14px 30px rgba(84, 62, 20, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 12.5px;
  line-height: 1.5;
  pointer-events: none;
}

.chat-notice-toast.error {
  border-color: color-mix(in srgb, var(--danger) 30%, var(--line-soft) 70%);
  background: color-mix(in srgb, var(--danger-soft) 82%, rgba(255, 250, 241, 0.96));
  color: #8e3127;
  box-shadow: 0 14px 30px rgba(112, 44, 32, 0.13);
}

.source-dialog-layer {
  position: fixed;
  inset: 0;
  z-index: 24;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.source-dialog-scrim {
  position: absolute;
  inset: 0;
  background: rgba(19, 29, 42, 0.24);
  cursor: pointer;
}

.source-dialog-card {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
  max-height: min(78vh, 720px);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 22px;
  background: color-mix(in srgb, var(--bg-raised) 96%, var(--bg-overlay) 4%);
  box-shadow: 0 28px 70px rgba(20, 30, 46, 0.24);
  display: flex;
  flex-direction: column;
}

.source-dialog-head {
  flex: 0 0 auto;
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.source-dialog-kicker {
  margin-bottom: 5px;
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.45;
}

.source-dialog-head h2 {
  margin: 0;
  color: var(--text);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.25;
}

.source-dialog-close {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  color: var(--text-dim);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.source-dialog-close:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.source-dialog-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding: 14px 18px 18px;
  display: grid;
  gap: 10px;
}

.source-dialog-item {
  min-width: 0;
  padding: 12px 13px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  border-radius: 15px;
  background: color-mix(in srgb, var(--bg-raised) 72%, transparent);
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.55;
}

.source-dialog-item-top {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  min-width: 0;
}

.source-dialog-index {
  flex: 0 0 auto;
  min-width: 20px;
  height: 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 10px;
  margin-top: 1px;
}

.source-dialog-title-wrap {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.source-dialog-title {
  min-width: 0;
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.source-dialog-type,
.source-dialog-meta,
.source-dialog-path,
.source-dialog-link {
  overflow-wrap: anywhere;
}

.source-dialog-type {
  color: var(--text-dim);
  font-size: 11px;
}

.source-dialog-meta,
.source-dialog-path,
.source-dialog-link {
  margin-top: 5px;
}

.source-dialog-link {
  display: block;
  color: var(--accent);
  text-decoration: none;
}

.source-dialog-link:hover {
  text-decoration: underline;
}

.source-dialog-excerpt {
  margin-top: 7px;
  color: var(--text-muted);
  white-space: pre-wrap;
}

.base-answer-dialog-card {
  width: min(820px, calc(100vw - 32px));
}

.base-answer-dialog-body {
  gap: 14px;
}

.base-answer-dialog-title-count {
  font-size: 0.82em;
  font-weight: 500;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.base-answer-dialog-content {
  min-width: 0;
  padding: 2px 2px 8px;
}

.base-answer-dialog-sources {
  display: grid;
  gap: 10px;
}

.base-answer-dialog-section-title {
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
}

/* Prev/next switcher for the base-answer dialog (batch mode, multiple answers). */
.base-answer-dialog-nav {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  border-top: 1px solid var(--line-soft);
}

.base-answer-dialog-nav-btn {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg-raised) 92%, var(--bg-overlay) 8%);
  color: color-mix(in srgb, var(--text) 82%, var(--accent) 18%);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease, background .15s ease, opacity .15s ease;
}

.base-answer-dialog-nav-btn:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--accent-line) 76%, var(--accent) 24%);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg-raised) 92%);
}

.base-answer-dialog-nav-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.base-answer-dialog-nav-count {
  font-size: 12.5px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.agent-panel {
  position: fixed;
  inset: 0;
  z-index: 20;
}

.agent-panel-scrim {
  position: absolute;
  inset: 0;
  border: none;
  background: rgba(19, 29, 42, 0.2);
  -webkit-backdrop-filter: blur(2px) saturate(1.02);
  backdrop-filter: blur(2px) saturate(1.02);
  cursor: pointer;
}

.agent-panel-card {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(640px, 100%);
  height: 100%;
  overflow: hidden;
  border-left: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg-raised) 96%, var(--bg-overlay) 4%);
  box-shadow: -18px 0 40px rgba(20, 30, 46, 0.16);
  display: flex;
  flex-direction: column;
  will-change: transform;
}

.agent-panel-enter .agent-panel-scrim {
  animation: agent-panel-scrim-in .22s ease;
}

.agent-panel-enter .agent-panel-card {
  animation: agent-panel-card-in .3s cubic-bezier(.22, 1, .36, 1);
}

@keyframes agent-panel-scrim-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes agent-panel-card-in {
  from { transform: translate3d(100%, 0, 0); }
  to { transform: translate3d(0, 0, 0); }
}

.agent-panel-head {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.agent-panel-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -.02em;
}

.agent-panel-subtitle {
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-muted);
}

.agent-panel-close {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  color: var(--text-dim);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.agent-panel-close:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.agent-panel-head-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.agent-panel-back,
.agent-panel-close {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  color: var(--text-dim);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.agent-panel-back:hover,
.agent-panel-close:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.agent-list-page,
.agent-form {
  flex: 1 1 auto;
  min-height: 0;
}

.agent-list-page {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.agent-group-tabs {
  flex: 0 0 auto;
  padding: 14px 16px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.agent-group-tabs::-webkit-scrollbar {
  display: none;
}

.agent-group-tab {
  flex: 0 0 auto;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.5);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color .16s ease, background .16s ease, color .16s ease;
}

.agent-group-tab:hover,
.agent-group-tab.active {
  border-color: var(--accent-line);
  background: color-mix(in srgb, var(--accent-soft) 78%, white 22%);
  color: var(--accent);
}

.agent-list-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 16px 16px 12px;
}

.agent-list-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.agent-card,
.agent-new {
  width: 100%;
  text-align: left;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.46);
  cursor: pointer;
}

.agent-card {
  padding: 11px 12px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px;
}

.agent-card:hover,
.agent-card.active {
  border-color: var(--accent-line);
  background: var(--accent-soft);
}

.agent-card-head {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.agent-card-avatar {
  width: 36px;
  height: 36px;
}

.agent-card-body {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.agent-card-name {
  min-width: 0;
  color: var(--accent);
  font-weight: 560;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-card-role {
  color: var(--text-muted);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-card-group {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 20px;
  padding: 0 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-overlay) 68%, white 32%);
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 500;
}

.agent-card-doc {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  color: color-mix(in srgb, var(--accent) 74%, var(--text-muted) 26%);
  font-size: 11px;
  line-height: 1.25;
}

.agent-card-doc-label {
  flex: 0 0 auto;
  color: var(--text-dim);
}

.agent-card-doc-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-card-flags,
.agent-switch-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.agent-type-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--surface) 82%, white 18%);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
}

.agent-type-badge.reader-author {
  border-color: color-mix(in srgb, var(--accent-line) 72%, transparent);
  background: color-mix(in srgb, var(--accent-soft) 52%, white 48%);
  color: var(--accent);
}

.agent-flag {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  padding: 0 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-soft) 76%, white 24%);
  color: var(--accent);
  font-size: 11px;
  font-weight: 500;
}

.agent-flag.muted {
  color: var(--text-dim);
  background: color-mix(in srgb, var(--bg-overlay) 62%, white 38%);
}

.agent-new {
  min-height: 40px;
  padding: 0 12px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.agent-new:hover {
  color: var(--accent);
  border-color: var(--accent-line);
}

.agent-list-footer {
  flex: 0 0 auto;
  padding: 12px 16px 16px;
  border-top: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg-raised) 94%, var(--surface) 6%);
}

.agent-list-footer .agent-new {
  width: 100%;
  min-height: 44px;
  justify-content: center;
}

.agent-empty {
  padding: 14px 12px;
  border: 1px dashed var(--line);
  border-radius: 14px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.38);
}

.agent-empty.wide {
  grid-column: 1 / -1;
  min-height: 110px;
  display: grid;
  place-items: center;
}

.agent-profile-box {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 82%, var(--accent-soft) 18%);
  padding: 12px 14px;
  display: grid;
  gap: 9px;
}

.agent-avatar-editor {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.agent-avatar-editor.under-name {
  margin-top: 2px;
}

.agent-avatar-preview {
  width: 54px;
  height: 54px;
  font-size: 16px;
}

.agent-avatar-controls {
  min-width: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.agent-avatar-refresh,
.agent-avatar-remove {
  min-height: 30px;
  padding: 0 10px;
  border-radius: 10px;
  cursor: pointer;
}

.agent-avatar-refresh {
  border: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.54);
  color: var(--text-muted);
}

.agent-avatar-remove {
  border: 1px solid color-mix(in srgb, var(--danger) 22%, var(--line) 78%);
  background: color-mix(in srgb, var(--danger-soft) 72%, white 28%);
  color: var(--danger);
}

.agent-avatar-refresh:hover {
  border-color: var(--accent-line);
  color: var(--accent);
}

.agent-avatar-picker-layer {
  z-index: 38;
}

.agent-avatar-picker-card {
  width: min(720px, calc(100vw - 32px));
  max-height: min(86vh, 760px);
}

.agent-avatar-picker-body {
  gap: 18px;
  padding: 18px;
  overflow: hidden;
}

.agent-avatar-picker-current {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  border-radius: 16px;
  background: color-mix(in srgb, var(--bg) 62%, var(--bg-raised) 38%);
}

.agent-avatar-dialog-preview {
  width: 58px;
  height: 58px;
  font-size: 17px;
}

.agent-avatar-picker-current-copy {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.agent-avatar-picker-current-copy strong,
.agent-avatar-picker-current-copy span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-avatar-picker-current-copy strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 540;
}

.agent-avatar-picker-current-copy span {
  color: var(--text-dim);
  font-size: 12px;
}

.agent-avatar-picker-grid {
  --agent-avatar-grid-gap: 10px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  column-gap: var(--agent-avatar-grid-gap);
  row-gap: 4px;
  min-height: 0;
  overflow: auto;
}

.agent-avatar-cell {
  min-width: 0;
}

.agent-avatar-option {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  min-width: 0;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background: rgba(255, 255, 255, 0.5);
  overflow: hidden;
  cursor: pointer;
  transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.agent-avatar-option img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.agent-avatar-option:hover {
  transform: translateY(-1px);
  border-color: var(--accent-line);
}

.agent-avatar-option.selected {
  border-color: color-mix(in srgb, var(--accent) 56%, var(--accent-line) 44%);
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--accent-soft) 82%, transparent),
    0 8px 18px rgba(20, 30, 46, 0.12);
}

.agent-avatar-option.selected::after {
  content: '';
  position: absolute;
  right: 6px;
  bottom: 6px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--bg-raised) 86%, white 14%);
}

.agent-avatar-state {
  padding: 9px 10px;
  border-radius: 12px;
  background: color-mix(in srgb, rgba(255, 255, 255, 0.46) 76%, transparent);
  color: var(--text-muted);
  font-size: 12px;
}

.agent-avatar-state.error {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger-soft) 72%, white 28%);
}

.agent-avatar-dialog-state {
  min-height: 210px;
  display: grid;
  place-items: center;
  text-align: center;
}

.agent-avatar-picker-foot {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line-soft);
}

.agent-avatar-pagination,
.agent-avatar-picker-actions {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.agent-avatar-pagination button,
.agent-avatar-picker-cancel,
.agent-avatar-picker-apply {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 12px;
  cursor: pointer;
  white-space: nowrap;
}

.agent-avatar-pagination button,
.agent-avatar-picker-cancel {
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg-raised) 88%, transparent);
  color: var(--text-muted);
}

.agent-avatar-pagination button:hover:not(:disabled),
.agent-avatar-picker-cancel:hover {
  border-color: var(--accent-line);
  color: var(--accent);
  background: var(--accent-soft);
}

.agent-avatar-pagination button:disabled,
.agent-avatar-picker-apply:disabled {
  opacity: .42;
  cursor: not-allowed;
}

.agent-avatar-pagination span {
  min-width: 54px;
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
  white-space: nowrap;
}

.agent-avatar-picker-apply {
  border: 1px solid color-mix(in srgb, var(--accent) 70%, var(--accent-line) 30%);
  background: var(--accent);
  color: #fff;
}

.agent-avatar-picker-apply:hover:not(:disabled) {
  filter: brightness(1.03);
}

.agent-profile-row,
.agent-bound-doc {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.agent-profile-row span,
.agent-bound-doc span {
  color: var(--text-muted);
  font-size: 11px;
}

.agent-profile-row strong,
.agent-bound-doc strong {
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.agent-bound-doc em {
  color: var(--text-dim);
  font-size: 11px;
  font-style: normal;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.agent-form {
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.agent-form-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 16px;
  display: grid;
  align-content: start;
  gap: 13px;
}

.agent-field {
  display: grid;
  gap: 6px;
  color: var(--text-muted);
  font-size: 12px;
}

.agent-field input,
.agent-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.74);
  color: var(--text);
  outline: none;
}

.agent-field input {
  height: 40px;
  padding: 0 12px;
}

.agent-field textarea {
  min-height: 92px;
  padding: 10px 12px;
  resize: vertical;
  line-height: 1.65;
}

.agent-field input:focus,
.agent-field textarea:focus {
  border-color: var(--accent-line);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-soft) 74%, transparent);
}

.agent-switch-row {
  gap: 10px;
}

.agent-switch {
  min-height: 38px;
  padding: 0 11px;
  border: 1px solid var(--line-soft);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.48);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  cursor: pointer;
}

.agent-switch input {
  accent-color: var(--accent);
}

.agent-switch.disabled {
  opacity: .54;
  cursor: not-allowed;
}

.agent-switch.disabled input {
  cursor: not-allowed;
}

.agent-form-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 9px;
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg-raised) 96%, var(--bg-overlay) 4%);
}

.agent-save,
.agent-reset,
.agent-delete {
  min-height: 38px;
  padding: 0 13px;
  border-radius: 12px;
  cursor: pointer;
}

.agent-save {
  background: var(--accent);
  color: #fff;
}

.agent-reset {
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--text-muted);
}

.agent-delete {
  margin-right: auto;
  border: 1px solid color-mix(in srgb, var(--danger) 28%, var(--line) 72%);
  background: var(--danger-soft);
  color: var(--danger);
}

@media (max-width: 900px) {
  .chat-shell {
    flex-direction: column;
  }

  .chat-main-head {
    flex-direction: column;
    align-items: stretch;
  }

  .chat-head-actions {
    width: 100%;
    justify-content: space-between;
  }

  .chat-head-actions [data-action="open-export-dialog"],
  .chat-head-actions [data-action="delete-session"] {
    display: none;
  }

  .agent-manager-btn {
    flex: 0 0 auto;
  }

  .chat-select {
    min-width: 0;
    flex: 1;
  }

  .agent-panel {
    padding: 0;
  }

  .agent-panel-card {
    width: 100%;
  }

  .agent-list-grid {
    grid-template-columns: 1fr;
  }

  .agent-picker-item {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px;
  }

  .agent-picker-tags {
    grid-column: 2;
  }

  .agent-avatar-picker-layer {
    align-items: flex-end;
    padding: 12px;
  }

  .agent-avatar-picker-card {
    width: 100%;
    max-height: min(86vh, 720px);
    border-radius: 20px;
  }

  .agent-avatar-picker-body {
    gap: 14px;
    padding: 14px;
  }

  .agent-avatar-picker-grid {
    --agent-avatar-grid-gap: 8px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: 3px;
  }


  .agent-avatar-picker-foot {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .agent-avatar-pagination,
  .agent-avatar-picker-actions {
    width: 100%;
  }

  .agent-avatar-pagination button,
  .agent-avatar-picker-actions button {
    flex: 1 1 0;
  }

  .chat-map-drawer {
    inset: 0;
  }

  .chat-map-drawer-scrim {
    inset: 0;
  }

  .chat-map-drawer-shell {
    width: 100%;
    min-width: 0;
    border-left: none;
    border-top: 1px solid color-mix(in srgb, var(--line-soft) 86%, transparent);
    box-shadow: 0 -18px 34px rgba(20, 30, 46, 0.08);
  }

  .composer-writer-layer {
    padding: 12px;
    align-items: flex-end;
  }

  .composer-writer-card {
    min-height: min(72vh, 620px);
    max-height: calc(100vh - 24px);
    padding: 28px 16px 14px;
    border-radius: 18px;
    background:
      linear-gradient(90deg, color-mix(in srgb, var(--line-soft) 28%, transparent) 1px, transparent 1px) 18px 0 / 1px 100% no-repeat,
      linear-gradient(180deg, rgba(255, 255, 255, 0.95), color-mix(in srgb, var(--bg-raised) 96%, var(--bg-overlay) 4%));
  }

  .composer-writer-close {
    top: 10px;
    right: 10px;
  }

  .composer-writer-surface {
    padding: 12px 4px 6px 14px;
    font-size: 15.5px;
    line-height: 1.8;
  }

  .composer-writer-surface.empty::before {
    top: 12px;
    left: 14px;
    right: 4px;
  }
}

@media (max-width: 1120px) {
  .chat-main-head {
    align-items: stretch;
  }

  .chat-head-actions {
    justify-content: flex-end;
    flex-wrap: nowrap;
  }

  .composer-actions {
    justify-content: flex-end;
  }

  .composer-toggle-cluster {
    margin-right: auto;
  }

  .chat-map-drawer {
    inset: 0;
  }

  .chat-map-drawer-shell {
    width: 50vw;
  }
}

.composer-reader-document-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  max-width: 100%;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent-line) 72%, var(--line-soft) 28%);
  background: color-mix(in srgb, var(--accent-soft) 62%, white 38%);
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.3;
}

.composer-reader-document-chip > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-reader-document-chip button {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  color: var(--text-dim);
  cursor: pointer;
}

.composer-reader-document-chip button:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text);
}

.reader-document-picker-card {
  width: min(1120px, calc(100vw - 32px));
  max-width: min(1120px, calc(100vw - 32px));
  height: min(78vh, 760px);
  overflow: hidden;
}

.data-attachment-picker-card {
  width: min(1280px, calc(100vw - 28px));
  max-width: min(1280px, calc(100vw - 28px));
  height: min(96vh, 1120px);
  max-height: min(96vh, 1120px);
  overflow: hidden;
}

.data-attachment-picker-body {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, .72fr);
  gap: 18px;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.data-attachment-picker-main {
  min-width: 0;
  min-height: 0;
  overflow: auto;
}

.data-attachment-picker-side {
  position: relative;
  justify-content: flex-start;
  overflow: hidden;
  isolation: isolate;
}

.data-attachment-group-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.data-attachment-group-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line-soft);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg-raised) 94%, transparent), color-mix(in srgb, var(--bg) 82%, var(--bg-raised) 18%));
}

.data-attachment-group-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.data-attachment-group-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.data-attachment-group-index {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent-line) 78%, var(--line-soft) 22%);
  background: color-mix(in srgb, var(--accent-soft) 58%, white 42%);
  color: var(--text);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.data-attachment-group-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.data-attachment-group-title {
  color: var(--text);
  font-size: 14px;
  line-height: 1.3;
}

.data-attachment-group-meta {
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.35;
}

.data-attachment-group-remove {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.data-attachment-group-remove:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text);
}

.data-attachment-group-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  align-items: flex-end;
  gap: 12px;
}

.data-attachment-select-wrap {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.data-attachment-source-picker-trigger {
  width: 100%;
  min-height: 42px;
  padding: 0 42px 0 12px;
}

.data-attachment-source-picker-wrap {
  position: relative;
  min-width: 0;
}

.data-attachment-source-picker {
  inset: calc(100% + 8px) 0 auto 0;
  width: 100%;
  max-height: min(340px, 46vh);
  overflow: auto;
  z-index: 4;
}

.data-attachment-control-label,
.data-attachment-section-head {
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.35;
}

.data-attachment-field-picker-wrap {
  position: relative;
  min-width: 0;
}

.data-attachment-field-picker-trigger {
  width: 100%;
  height: 42px;
  min-height: 42px;
  padding-top: 0;
  padding-bottom: 0;
  text-align: left;
  cursor: pointer;
}

.data-attachment-field-picker-trigger.is-locked {
  border-style: dashed;
  border-color: color-mix(in srgb, var(--line) 76%, transparent);
  background: color-mix(in srgb, var(--bg) 80%, var(--bg-raised) 20%);
  color: var(--text-dim);
  cursor: not-allowed;
  opacity: .82;
}

.data-attachment-field-picker-trigger:disabled {
  cursor: not-allowed;
}

.data-attachment-field-picker {
  inset: calc(100% + 8px) 0 auto 0;
  max-height: min(340px, 46vh);
  overflow: auto;
  z-index: 4;
}

.data-attachment-group-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  min-width: 0;
}

.data-attachment-records {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.data-attachment-record-search-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 260px;
  overflow: auto;
}

.data-attachment-record-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.data-attachment-record-option.selected {
  border-color: var(--accent-line);
}

.data-attachment-record-preview-title {
  width: fit-content;
  max-width: 100%;
  cursor: default;
}

.data-attachment-record-preview-title:hover {
  color: var(--accent);
}

.data-attachment-record-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.data-attachment-pagination-status {
  color: var(--text-dim);
  font-size: 12px;
  white-space: nowrap;
}

.data-attachment-selected-records {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.data-attachment-estimate {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg) 72%, var(--bg-raised) 28%);
  color: var(--text-dim);
  font-size: 12px;
}

.data-attachment-estimate.over-limit {
  border-color: color-mix(in srgb, #d86a5d 54%, var(--line-soft) 46%);
  background: color-mix(in srgb, #fff1ee 68%, var(--bg-raised) 32%);
  color: #a04237;
}

.data-attachment-add-group,
.data-attachment-apply-button {
  min-height: 40px;
  border-radius: 12px;
  cursor: pointer;
}

.data-attachment-add-group {
  border: 1px dashed color-mix(in srgb, var(--accent-line) 64%, var(--line-soft) 36%);
  color: var(--text);
  background: color-mix(in srgb, var(--accent-soft) 26%, var(--bg-raised) 74%);
}

.data-attachment-apply-button {
  border: 1px solid color-mix(in srgb, var(--accent-line) 84%, transparent);
  background: var(--accent);
  color: #fff;
}

.data-attachment-selection-summary {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

.data-attachment-grouped-summary {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.data-attachment-summary-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg) 68%, var(--bg-raised) 32%);
}

.data-attachment-summary-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.data-attachment-summary-group-title {
  color: var(--text);
  font-size: 13px;
  line-height: 1.35;
}

.data-attachment-summary-group-count {
  color: var(--text-dim);
  font-size: 11px;
  white-space: nowrap;
}

.data-attachment-summary-group-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.data-attachment-summary-item {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background: color-mix(in srgb, var(--bg-raised) 86%, transparent);
}

.data-attachment-summary-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.data-attachment-summary-item-label {
  color: var(--text);
  font-size: 12px;
  line-height: 1.3;
}

.data-attachment-summary-item-meta {
  color: var(--text-dim);
  font-size: 11px;
  white-space: nowrap;
}

.data-attachment-summary-fields-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.data-attachment-summary-fields-label {
  color: var(--text-dim);
  font-size: 10.5px;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.data-attachment-summary-fields {
  color: var(--text);
  font-size: 11.5px;
  line-height: 1.45;
  padding: 8px 10px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent-soft) 18%, var(--bg) 82%);
}

.data-attachment-summary-records {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 2px;
}

.data-attachment-summary-record {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  min-width: 0;
  padding: 8px 10px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--bg) 58%, var(--bg-raised) 42%);
}

.data-attachment-summary-record.static {
  justify-content: flex-start;
}

.data-attachment-summary-record-copy {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.data-attachment-summary-record-title {
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.35;
}

.data-attachment-summary-record-meta {
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.35;
}

.data-attachment-summary-record-remove {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex: 0 0 auto;
}

.data-attachment-summary-record-remove:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text);
}

.data-attachment-picker-actions {
  display: flex;
  gap: 10px;
}

.data-attachment-picker-actions > * {
  flex: 1;
}

.data-attachment-preview-layer {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(251, 253, 255, 0.72), rgba(241, 246, 252, 0.6)),
    color-mix(in srgb, var(--bg-raised) 18%, transparent);
  backdrop-filter: blur(4px) saturate(1.02);
  -webkit-backdrop-filter: blur(4px) saturate(1.02);
  border: 1px solid color-mix(in srgb, rgba(255, 255, 255, 0.76) 58%, var(--line-soft) 42%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.62),
    0 12px 24px rgba(19, 27, 41, 0.08);
  pointer-events: auto;
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity .18s ease,
    transform .18s ease,
    filter .18s ease;
  will-change: opacity, transform, filter;
}

.data-attachment-preview-layer.is-entering,
.data-attachment-preview-layer.is-leaving {
  opacity: 0;
  transform: translateY(6px);
  filter: saturate(0.98);
}

.data-attachment-preview-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
  height: 100%;
  padding: 14px;
}

.data-attachment-preview-kicker {
  flex: 0 0 auto;
}

.data-attachment-preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.data-attachment-preview-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.data-attachment-preview-title {
  color: var(--text);
  font-size: 14px;
  line-height: 1.4;
}

.data-attachment-preview-meta {
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.35;
}

.data-attachment-preview-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.data-attachment-preview-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 10px 12px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg-raised) 82%, rgba(255, 255, 255, 0.24));
  border: 1px solid color-mix(in srgb, var(--line-soft) 78%, transparent);
}

.data-attachment-preview-field-label {
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: .02em;
  text-transform: uppercase;
}

.data-attachment-preview-field-value {
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.reader-document-picker-body {
  display: grid;
  grid-template-columns: minmax(0, 1.36fr) minmax(260px, 1fr);
  gap: 16px;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.reader-document-picker-pane {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.reader-document-picker-pane-main {
  gap: 14px;
  overflow: hidden;
}

.reader-document-picker-pane-selected {
  gap: 12px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg-raised) 94%, var(--bg-overlay) 6%);
}

.reader-document-picker-selected-head {
  color: var(--text);
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
}

.reader-document-picker-clear-selected {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-dim);
  display: grid;
  place-items: center;
  cursor: pointer;
  flex: 0 0 auto;
}

.reader-document-picker-clear-selected:hover {
  background: color-mix(in srgb, var(--danger, #ef4444) 10%, transparent);
  color: var(--danger, #ef4444);
}

.reader-document-picker-clear-selected:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 60%, transparent);
  outline-offset: 2px;
}

.reader-document-picker-selected-list {
  flex: 1;
  min-height: 0;
  overflow: auto;
}

.reader-document-picker-selected-empty {
  min-height: 100%;
  border: 1px dashed color-mix(in srgb, var(--line) 86%, transparent);
  border-radius: 14px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg-raised) 82%, transparent), color-mix(in srgb, var(--bg) 70%, var(--bg-raised) 30%));
  color: var(--text-dim);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  padding: 18px;
  text-align: center;
}

.reader-document-picker-selected-empty-mark {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--line-soft) 82%, transparent);
  background: color-mix(in srgb, var(--bg-raised) 88%, var(--bg-overlay) 12%);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.reader-document-picker-selected-empty-text {
  font-size: 12.5px;
  line-height: 1.5;
}

.reader-document-picker-selected {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.reader-document-picker-selected-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg) 68%, var(--bg-raised) 32%);
}

.reader-document-picker-selected-copy {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.reader-document-picker-selected-title {
  min-width: 0;
  color: var(--text);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reader-document-picker-selected-meta {
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.35;
}

.reader-document-picker-selected-item button {
  flex: 0 0 auto;
  align-self: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  cursor: pointer;
}

.reader-document-picker-selected-item button iconify-icon {
  display: block;
}

.reader-document-picker-selected-item button:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text);
}

.reader-document-picker-toolbar {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  gap: 10px;
}

.data-attachment-search-entry {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
}

.reader-document-picker-input {
  flex: 1 1 auto;
  min-width: 0;
  height: 40px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--text);
  font-size: 12.5px;
  text-align: left;
  cursor: text;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.data-attachment-search-input {
  padding-right: 40px;
}

.data-attachment-search-clear,
.data-attachment-search-clear-placeholder {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
}

.reader-document-picker-input::placeholder {
  color: var(--text-dim);
}

.reader-document-picker-toggle-all {
  flex: 0 0 auto;
  min-width: 104px;
  height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--text);
  font-size: 12.5px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background-color .15s ease, color .15s ease;
}

.reader-document-picker-toggle-all:hover {
  border-color: var(--accent-line);
  background: color-mix(in srgb, var(--accent-soft) 34%, var(--bg-raised) 66%);
}

.reader-document-picker-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-height: 0;
  overflow: auto;
}

.reader-document-tree-dir {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.reader-document-tree-dir-header {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  text-align: left;
  color: var(--text);
  cursor: pointer;
}

.reader-document-tree-dir-header:hover {
  background: color-mix(in srgb, var(--accent-soft) 32%, var(--bg-raised) 68%);
}

.reader-document-tree-dir-chevron {
  color: var(--text-dim);
  transition: transform .15s ease;
}

.reader-document-tree-dir.collapsed .reader-document-tree-dir-chevron {
  transform: rotate(-90deg);
}

.reader-document-tree-dir-name {
  flex: 1;
  min-width: 0;
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reader-document-tree-dir-count {
  flex: 0 0 auto;
  color: var(--text-dim);
  font-size: 12px;
}

.reader-document-tree-children.hidden {
  display: none;
}

.reader-document-tree-children {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.reader-document-picker-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg-raised) 92%, var(--bg-overlay) 8%);
  cursor: pointer;
}

.reader-document-tree-file {
  margin-top: 0;
}

.reader-document-picker-option:hover {
  border-color: var(--accent-line);
  background: color-mix(in srgb, var(--accent-soft) 40%, var(--bg-raised) 60%);
}

.reader-document-picker-option input {
  appearance: none;
  -webkit-appearance: none;
  position: absolute;
  width: 0;
  height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.reader-document-picker-option-copy {
  display: block;
  min-width: 0;
}

.reader-document-picker-option-title {
  display: block;
  color: var(--text);
  font-weight: 400;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reader-document-picker-checkmark {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  border-radius: 5px;
  border: 1px solid color-mix(in srgb, var(--line) 88%, transparent);
  background: color-mix(in srgb, var(--bg-raised) 90%, var(--bg-overlay) 10%);
  color: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    border-color .16s ease,
    background-color .16s ease,
    color .16s ease,
    transform .16s ease;
}

.reader-document-picker-checkmark svg {
  width: 12px;
  height: 12px;
  display: block;
}

.reader-document-picker-option:hover .reader-document-picker-checkmark {
  border-color: color-mix(in srgb, var(--accent-line) 78%, var(--line) 22%);
}

.reader-document-picker-option input:checked + .reader-document-picker-checkmark {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 88%, white 12%);
  color: #fff;
}

@media (max-width: 840px) {
  .data-attachment-picker-card {
    height: auto;
    max-height: min(98vh, 1240px);
  }

  .data-attachment-picker-body,
  .data-attachment-group-body {
    grid-template-columns: minmax(0, 1fr);
    height: auto;
  }

  .data-attachment-group-controls {
    grid-template-columns: minmax(0, 1fr);
  }

  .reader-document-picker-card {
    height: auto;
    max-height: min(84vh, 860px);
  }

  .reader-document-picker-body {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
    height: auto;
    overflow: visible;
  }

  .reader-document-picker-selected-list {
    max-height: 28vh;
  }
}

/* Smaller screens: swap session list and conversation via a tab bar instead
   of stacking them. */
@media (max-width: 900px) {
  .chat-shell {
    flex-direction: column;
    position: relative;
  }

  .chat-sidebar,
  .chat-main {
    width: 100%;
    min-width: 0;
    max-height: none;
    flex: 1 1 auto;
    min-height: 0;
    border-right: none;
    border-bottom: none;
  }

  /* The tab bar owns visibility on mobile; neutralize the desktop collapse. */
  .chat-shell.sidebar-collapsed .chat-sidebar {
    width: 100%;
    min-width: 0;
    max-height: none;
    border: none;
    opacity: 1;
    pointer-events: auto;
  }

  .chat-shell.mobile-pane-chat .chat-sidebar {
    display: none;
  }

  .chat-shell.mobile-pane-list .chat-main {
    display: none;
  }

  /* Desktop-only sidebar collapse/restore controls have no meaning with tabs. */
  .chat-sidebar-head-actions [data-action="toggle-sidebar"],
  .chat-sidebar-restore-btn {
    display: none;
  }

  .chat-mobile-tabs {
    flex: 0 0 auto;
    order: 3;
    display: flex;
    align-items: stretch;
    gap: 4px;
    padding: 6px;
    border-top: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg-raised) 94%, var(--bg-overlay) 6%);
  }

  .chat-mobile-tab {
    flex: 1 1 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 44px;
    border: none;
    border-radius: 12px;
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
  }

  .chat-mobile-tab.active {
    background: var(--accent-soft);
    color: var(--accent);
  }

  .chat-mobile-tab iconify-icon {
    display: block;
  }
}

.chat-activation-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(24px, 6vw, 72px);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-soft) 76%, #fff 24%), transparent 42%),
    var(--bg);
  color: var(--text);
}

.chat-activation-hero {
  width: min(760px, 100%);
  display: grid;
  gap: 28px;
}

.chat-activation-brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--text-muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chat-activation-brand strong {
  color: var(--text);
  font-size: 18px;
  letter-spacing: 0;
  text-transform: none;
}

.chat-activation-copy {
  display: grid;
  gap: 12px;
}

.chat-activation-copy h1 {
  max-width: 680px;
  font-size: 30px;
  line-height: 1.18;
  font-weight: 720;
  letter-spacing: 0;
}

.chat-activation-copy p {
  max-width: 560px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.65;
}

.chat-activation-status {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--line);
}

.chat-activation-status.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.chat-activation-status div {
  min-width: 0;
  padding: 18px 18px 18px 0;
  display: grid;
  gap: 8px;
}

.chat-activation-status span {
  color: var(--text-dim);
  font-size: 12px;
}

.chat-activation-status strong {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 14px;
  font-weight: 650;
}

.chat-activation-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.chat-activation-primary,
.chat-activation-secondary {
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 8px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.chat-activation-primary {
  border: 1px solid var(--text);
  background: var(--text);
  color: var(--bg-raised);
  cursor: pointer;
}

.chat-activation-secondary {
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--text);
}

@media (max-width: 720px) {
  .chat-activation-screen {
    place-items: stretch;
    align-content: center;
  }

  
  .chat-activation-copy h1 {
    font-size: 26px;
  }
.chat-activation-status {
    grid-template-columns: 1fr;
  }

  .chat-activation-status div {
    padding-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .chat-activation-status div:last-child {
    border-bottom: 0;
  }
}