/*
 * 2QBIT conversation experience
 * Canonical owner for Stage 3B: composer, transcript, Markdown, embedded media
 * and conversation-local states. Workspace shell and empty-state layout remain
 * in ai-workspace.css; model selection and modals remain in ai-chat.css.
 */

body.ai-chat-page {
  --message-content-measure: 76ch;
  --conversation-assistant-font-size: calc(var(--text-body) + 1px);
  --conversation-user-font-size: calc(var(--text-body-sm) + 1px);
  --conversation-meta-font-size: calc(var(--text-xs) + 1px);
  --conversation-code-font-size: calc(var(--text-sm) + 1px);
  --conversation-table-font-size: calc(var(--text-ui) + 1px);
  --conversation-user-message-surface: color-mix(in srgb, var(--color-surface-3) 84%, var(--color-accent));
  --conversation-user-message-surface-deep: color-mix(in srgb, var(--color-surface-2) 91%, var(--color-accent));
  --conversation-stop-color: color-mix(in srgb, var(--color-danger) 72%, red);
  --conversation-recording-color: color-mix(in srgb, var(--color-danger) 84%, red);
  --conversation-loader-color: color-mix(in srgb, var(--color-success) 84%, lime);
  --composer-action-size: 30px;
  --composer-touch-action-size: 44px;
  --composer-min-height: 0;
  --conversation-row-gap: var(--space-6);
  --conversation-prose-gap: var(--space-4);
  --conversation-embedded-bg: var(--color-bg-subtle);
}

/* Reading column and fixed composer contract */
body.ai-chat-page ai-center:not([data-empty="1"]) .ai-center-inner {
  max-width: var(--ai-content-max-width);
  padding: var(--space-3) var(--space-4)
    calc(var(--composer-h, var(--ai-composer-reserved-height)) + var(--space-6) + env(safe-area-inset-bottom, 0px));
}

body.ai-chat-page ai-center .transcript {
  min-width: 0;
  margin: 0;
}

body.ai-chat-page ai-center .composer-wrap {
  padding: 10px var(--space-4) calc(10px + env(safe-area-inset-bottom, 0px));
  background: linear-gradient(180deg, transparent, var(--color-bg-subtle) var(--space-5));
  pointer-events: none;
}

body.ai-chat-page ai-center .composer-wrap > .composer {
  width: min(var(--ai-composer-max-width), 100%);
  max-width: var(--ai-composer-max-width);
  padding: 0;
  border-radius: var(--radius-lg);
  pointer-events: auto;
}

/* Composer */
body.ai-chat-page ai-composer {
  display: block;
  width: 100%;
  min-width: 0;
  color: var(--color-text-primary);
}

body.ai-chat-page ai-composer *,
body.ai-chat-page ai-composer *::before,
body.ai-chat-page ai-composer *::after {
  box-sizing: border-box;
}

body.ai-chat-page ai-composer .composer {
  position: relative;
  width: 100%;
  min-height: var(--composer-min-height);
  padding: 4px 8px;
  border: var(--border-width) solid var(--ai-composer-border);
  border-radius: var(--radius-md);
  background: var(--ai-composer-surface);
  box-shadow: var(--ai-composer-shadow), inset 0 1px 0 var(--color-border-subtle);
  transition: border-color var(--duration-fast) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-normal) var(--ease-standard);
}

body.ai-chat-page ai-composer .composer:focus-within {
  border-color: var(--color-border-accent);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-md), 0 0 0 2px var(--color-accent-soft);
}

body.ai-chat-page ai-composer .composer.drop {
  border-color: var(--color-border-accent);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-md), 0 0 0 3px var(--color-accent-soft);
  outline: 0;
}

body.ai-chat-page ai-composer .composer.moderation-blocked {
  border-color: var(--color-danger);
  background: var(--color-danger-soft);
  box-shadow: var(--shadow-md), 0 0 0 2px var(--color-danger-soft);
}

body.ai-chat-page ai-composer textarea {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 26px;
  max-height: 200px;
  padding: 4px 8px;
  resize: none;
  overflow-x: hidden;
  overflow-y: hidden;
  overscroll-behavior: contain;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--color-text-primary);
  font-size: var(--text-body-sm);
  line-height: var(--line-height-body-sm);
}

body.ai-chat-page ai-composer textarea::placeholder {
  color: var(--color-text-tertiary);
  opacity: 1;
}

body.ai-chat-page ai-composer .composer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: 6px;
  min-width: 0;
  margin-top: var(--space-1);
}

body.ai-chat-page ai-composer .composer-side {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

body.ai-chat-page ai-composer .btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 var(--composer-action-size);
  width: var(--composer-action-size);
  height: var(--composer-action-size);
  padding: 0;
  border: var(--border-width) solid var(--color-border-default);
  border-radius: var(--radius-sm);
  background: var(--color-surface-3);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-standard),
    border-color var(--duration-fast) var(--ease-standard),
    background-color var(--duration-fast) var(--ease-standard),
    transform var(--duration-instant) var(--ease-standard);
}

body.ai-chat-page ai-composer .btn-icon:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

body.ai-chat-page ai-composer .btn-icon:active {
  transform: translateY(1px);
}

body.ai-chat-page ai-composer .btn-icon:focus-visible,
body.ai-chat-page ai-transcript button:focus-visible,
body.ai-chat-page ai-transcript a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

body.ai-chat-page ai-composer .btn-icon[disabled] {
  border-color: var(--color-border-subtle);
  background: var(--color-surface-1);
  color: var(--color-text-disabled);
  cursor: not-allowed;
  opacity: 1;
}

body.ai-chat-page ai-composer #send,
body.ai-chat-page ai-composer .btn-stop {
  flex-basis: 32px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
}

body.ai-chat-page ai-composer #send {
  border-color: var(--color-border-accent);
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

body.ai-chat-page ai-composer #send:not([disabled]):hover {
  border-color: var(--color-accent-hover);
  background: var(--color-accent-hover);
}

body.ai-chat-page ai-composer #send[disabled] {
  border-color: var(--color-border-default);
  background: var(--color-surface-3);
  color: var(--color-text-disabled);
}

body.ai-chat-page ai-composer .btn-stop {
  border-color: var(--conversation-stop-color);
  background: var(--conversation-stop-color);
  color: var(--color-text-primary);
}

body.ai-chat-page ai-composer .btn-stop:hover {
  border-color: color-mix(in srgb, var(--conversation-stop-color) 88%, white);
  background: color-mix(in srgb, var(--conversation-stop-color) 88%, var(--color-bg-canvas));
  color: var(--color-text-primary);
}

body.ai-chat-page ai-composer .btn-stop:focus-visible {
  outline-color: var(--conversation-stop-color);
}

body.ai-chat-page ai-composer .btn-stop:active {
  background: color-mix(in srgb, var(--conversation-stop-color) 76%, var(--color-bg-canvas));
}

body.ai-chat-page ai-composer .btn-web-search.active,
body.ai-chat-page ai-composer .btn-voice[aria-pressed="true"] {
  border-color: var(--color-border-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
  box-shadow: inset 0 0 0 1px var(--color-accent-soft);
}

body.ai-chat-page ai-composer .btn-web-search.active::after {
  right: 4px;
  bottom: 4px;
  width: 5px;
  height: 5px;
  background: var(--color-success);
  box-shadow: none;
}

body.ai-chat-page ai-composer .hint {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: var(--line-height-xs);
  padding: var(--space-1) var(--space-1) 0;
  color: var(--color-text-tertiary);
  font-size: var(--text-xs);
  line-height: var(--line-height-xs);
  opacity: 1;
  user-select: none;
}

body.ai-chat-page ai-composer.busy .busy-ind {
  color: var(--color-accent-hover);
}

body.ai-chat-page ai-composer .attachments {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  min-width: 0;
  padding: 0 0 var(--space-2);
}

body.ai-chat-page ai-composer .attachments:empty {
  padding: 0;
}

body.ai-chat-page ai-composer .chip {
  position: relative;
  width: 60px;
  height: 60px;
  overflow: hidden;
  border: var(--border-default);
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
  box-shadow: var(--shadow-sm);
}

body.ai-chat-page ai-composer .chip img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body.ai-chat-page ai-composer .chip-file {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: min(260px, 100%);
  min-width: min(190px, 100%);
  padding: var(--space-2) 38px var(--space-2) var(--space-2);
}

body.ai-chat-page ai-composer .chip-file .file-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  border: var(--border-width) solid var(--color-border-accent);
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-link);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
}

body.ai-chat-page ai-composer .chip-file .file-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

body.ai-chat-page ai-composer .chip-file .file-name {
  overflow: hidden;
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-sm);
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.ai-chat-page ai-composer .chip-file .file-size {
  color: var(--color-text-tertiary);
  font-size: var(--text-xs);
  line-height: var(--line-height-xs);
}

body.ai-chat-page ai-composer .chip button {
  top: var(--space-1);
  right: var(--space-1);
  width: 28px;
  height: 28px;
  border: var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--color-surface-overlay);
  color: var(--color-text-primary);
}

body.ai-chat-page ai-composer .chip button:hover {
  border-color: var(--color-danger);
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

body.ai-chat-page ai-composer .voice-panel {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  padding: var(--space-1) var(--space-2) 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--conversation-meta-font-size);
}

body.ai-chat-page ai-composer .voice-panel[hidden] {
  display: none;
}

body.ai-chat-page ai-composer .btn-voice.recording {
  border-color: var(--conversation-recording-color);
  background: var(--color-danger-soft);
  color: var(--conversation-recording-color);
}

body.ai-chat-page ai-composer .voice-stop-dot {
  background: var(--conversation-recording-color);
  box-shadow: 0 0 0 3px var(--color-danger-soft);
}

body.ai-chat-page ai-composer .voice-panel.recording .voice-wave span {
  background: color-mix(in srgb, var(--conversation-recording-color) 82%, var(--color-text-secondary));
  box-shadow: 0 0 6px color-mix(in srgb, var(--conversation-recording-color) 32%, transparent);
}

body.ai-chat-page ai-composer .voice-panel.recording {
  color: color-mix(in srgb, var(--conversation-recording-color) 72%, var(--color-text-secondary));
}

/* Transcript structure */
body.ai-chat-page ai-transcript {
  display: block;
  min-width: 0;
  color: var(--color-text-primary);
  font-family: var(--font-family-sans);
}

body.ai-chat-page ai-transcript .list {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--conversation-row-gap);
  min-width: 0;
  padding: var(--space-2) 0;
}

body.ai-chat-page ai-transcript .msg {
  display: flex;
  width: 100%;
  min-width: 0;
  scroll-margin-bottom: calc(var(--composer-h, var(--ai-composer-reserved-height)) + var(--space-5));
}

body.ai-chat-page ai-transcript .msg.u {
  justify-content: flex-end;
}

body.ai-chat-page ai-transcript .msg.a {
  justify-content: flex-start;
}

body.ai-chat-page ai-transcript .bubble {
  position: relative;
  min-width: 0;
  box-sizing: border-box;
  color: var(--color-text-primary);
}

body.ai-chat-page ai-transcript .msg.u .bubble {
  width: fit-content;
  max-width: min(78%, 760px);
  padding: var(--space-3) 44px 36px var(--space-4);
  border: var(--border-width) solid color-mix(in srgb, var(--color-border-accent) 48%, var(--color-border-default));
  border-radius: var(--radius-lg) var(--radius-sm) var(--radius-lg) var(--radius-lg);
  background: linear-gradient(145deg,
    var(--conversation-user-message-surface),
    var(--conversation-user-message-surface-deep));
  box-shadow: inset 0 1px 0 var(--color-border-subtle);
}

body.ai-chat-page ai-transcript .msg.a .bubble {
  display: block;
  flex: 1 1 100%;
  width: 100%;
  min-width: 0;
  padding: 32px 0 var(--space-10);
  border: 0;
  border-radius: 0;
  background: var(--ai-assistant-message-surface);
  box-shadow: none;
}

body.ai-chat-page ai-transcript .content {
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  color: var(--color-text-primary);
  font-size: var(--conversation-assistant-font-size);
  line-height: var(--line-height-body);
}

body.ai-chat-page ai-transcript .msg.a .content {
  width: min(var(--message-content-measure), 100%);
  color: var(--color-text-secondary);
}

body.ai-chat-page ai-transcript .msg.u .content {
  font-size: var(--conversation-user-font-size);
  line-height: var(--line-height-body-sm);
  white-space: pre-wrap;
}

/* Assistant identity and response status */
body.ai-chat-page ai-transcript .assistant-meta {
  position: absolute;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  width: 100%;
  height: 28px;
  min-height: 0;
  margin: 0;
  pointer-events: none;
}

body.ai-chat-page ai-transcript .assistant-meta:empty {
  display: none;
}

body.ai-chat-page ai-transcript .model-badge {
  position: absolute;
  top: 2px;
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  max-width: min(calc(100% - var(--space-4)), 520px);
  min-width: 0;
  padding: var(--space-1) var(--space-2);
  border: var(--border-width) solid var(--color-border-default);
  border-radius: var(--radius-pill);
  background: var(--color-surface-2);
  box-shadow: none;
  color: var(--color-text-tertiary);
  font-size: var(--conversation-meta-font-size);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-xs);
  overflow-wrap: anywhere;
  white-space: normal;
  opacity: 1;
}

body.ai-chat-page ai-transcript .model-badge::before {
  content: "";
  flex: 0 0 6px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

body.ai-chat-page ai-transcript .assistant-wait-status {
  position: absolute;
  top: 6px;
  left: 0;
  right: 190px;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  max-width: calc(100% - 206px);
  color: var(--color-text-tertiary);
  font-size: var(--conversation-meta-font-size);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-xs);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.ai-chat-page ai-transcript .assistant-wait-status[hidden] {
  display: none;
}

body.ai-chat-page ai-transcript .assistant-wait-status.is-waiting {
  color: var(--color-info);
}

body.ai-chat-page ai-transcript .assistant-wait-spinner {
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--color-info-soft);
  border-top-color: var(--color-info);
  border-radius: var(--radius-pill);
  animation: aiConversationSpin 900ms linear infinite;
}

body.ai-chat-page ai-transcript .assistant-wait-check {
  color: var(--color-success);
}

body.ai-chat-page ai-transcript .assistant-wait-elapsed {
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
}

body.ai-chat-page ai-transcript .assistant-wait-hint {
  margin: 0 0 var(--space-3);
  color: var(--color-text-tertiary);
  font-size: var(--conversation-meta-font-size);
  line-height: var(--line-height-sm);
}

@keyframes aiConversationSpin {
  to { transform: rotate(360deg); }
}

/* Markdown reading rhythm */
body.ai-chat-page ai-transcript .msg.a .content > :first-child {
  margin-top: 0;
}

body.ai-chat-page ai-transcript .msg.a .content > :last-child {
  margin-bottom: 0;
}

body.ai-chat-page ai-transcript .content p {
  margin: 0 0 var(--conversation-prose-gap);
}

body.ai-chat-page ai-transcript .content h1,
body.ai-chat-page ai-transcript .content h2,
body.ai-chat-page ai-transcript .content h3,
body.ai-chat-page ai-transcript .content h4 {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-heading);
}

body.ai-chat-page ai-transcript .content h1 {
  margin: var(--space-8) 0 var(--space-3);
  font-size: calc(var(--text-2xl) + 1px);
  line-height: var(--line-height-2xl);
}

body.ai-chat-page ai-transcript .content h2 {
  margin: var(--space-6) 0 var(--space-3);
  font-size: calc(var(--text-xl) + 1px);
  line-height: var(--line-height-xl);
}

body.ai-chat-page ai-transcript .content h3 {
  margin: var(--space-5) 0 var(--space-2);
  font-size: calc(var(--text-lg) + 1px);
  line-height: var(--line-height-lg);
}

body.ai-chat-page ai-transcript .content h4 {
  margin: var(--space-4) 0 var(--space-2);
  font-size: calc(var(--text-body) + 1px);
  line-height: var(--line-height-body-sm);
}

body.ai-chat-page ai-transcript .content strong {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

body.ai-chat-page ai-transcript .content ul,
body.ai-chat-page ai-transcript .content ol {
  margin: 0 0 var(--conversation-prose-gap);
  padding-left: var(--space-6);
}

body.ai-chat-page ai-transcript .content li {
  padding-left: var(--space-1);
}

body.ai-chat-page ai-transcript .content li + li {
  margin-top: var(--space-1);
}

body.ai-chat-page ai-transcript .content li > ul,
body.ai-chat-page ai-transcript .content li > ol {
  margin: var(--space-1) 0 0;
}

body.ai-chat-page ai-transcript .content a {
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-link) 48%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

body.ai-chat-page ai-transcript .content a:hover {
  color: var(--color-link-hover);
  text-decoration-color: currentColor;
}

body.ai-chat-page ai-transcript .content blockquote {
  margin: var(--space-5) 0;
  padding: var(--space-2) var(--space-4);
  border: 0;
  border-left: var(--border-width-strong) solid var(--color-border-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-accent-soft);
  color: var(--color-text-secondary);
}

body.ai-chat-page ai-transcript .content blockquote > :last-child {
  margin-bottom: 0;
}

body.ai-chat-page ai-transcript .content hr {
  margin: var(--space-8) 0;
  border: 0;
  border-top: var(--border-width) solid var(--color-border-default);
  opacity: 1;
}

body.ai-chat-page ai-transcript .content :not(pre) > code {
  padding: 0.12em 0.38em;
  border: var(--border-width) solid var(--color-border-default);
  border-radius: var(--radius-xs);
  background: var(--color-surface-2);
  color: var(--color-text-primary);
  font-family: var(--font-family-mono);
  font-size: 0.88em;
}

/* Code blocks */
body.ai-chat-page ai-transcript .code-block {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: var(--space-5) 0;
  overflow: hidden;
  border: var(--border-width) solid var(--color-border-default);
  border-radius: var(--radius-md);
  background: var(--conversation-embedded-bg);
  box-shadow: inset 0 1px 0 var(--color-border-subtle);
}

body.ai-chat-page ai-transcript .code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 40px;
  padding: 0 var(--space-2) 0 var(--space-4);
  border-bottom: var(--border-width) solid var(--color-border-default);
  background: var(--color-surface-1);
}

body.ai-chat-page ai-transcript .code-lang {
  min-width: 0;
  overflow: hidden;
  color: var(--color-text-tertiary);
  font-family: var(--font-family-mono);
  font-size: var(--conversation-meta-font-size);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-xs);
  text-overflow: ellipsis;
  text-transform: lowercase;
  white-space: nowrap;
}

body.ai-chat-page ai-transcript .code-copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  padding: 0;
  border: var(--border-width) solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-tertiary);
  font-size: 0;
  line-height: 0;
  cursor: pointer;
}

body.ai-chat-page ai-transcript .code-copy-btn:hover {
  border-color: var(--color-border-default);
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

body.ai-chat-page ai-transcript .code-copy-btn.copied {
  border-color: var(--color-success);
  background: var(--color-success-soft);
  color: var(--color-success);
}

body.ai-chat-page ai-transcript .code-copy-btn svg,
body.ai-chat-page ai-transcript .code-copy-check,
body.ai-chat-page ai-transcript .code-copy-check svg {
  display: block;
  width: 16px;
  height: 16px;
  margin: 0;
}

body.ai-chat-page ai-transcript .code-block pre {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: var(--space-4);
  overflow: auto;
  border: 0;
  border-radius: 0;
  background: var(--conversation-embedded-bg);
  color: var(--color-text-secondary);
  font-family: var(--font-family-mono);
  font-size: var(--conversation-code-font-size);
  line-height: var(--line-height-body-sm);
  tab-size: 2;
  scrollbar-color: var(--color-border-strong) transparent;
  scrollbar-width: thin;
}

body.ai-chat-page ai-transcript .code-block pre code,
body.ai-chat-page ai-transcript .code-block .hljs {
  display: block;
  min-width: max-content;
  padding: 0;
  border: 0;
  background: transparent;
}

/* Tables and math own their overflow */
body.ai-chat-page ai-transcript .md-table-wrap {
  width: 100%;
  max-width: 100%;
  margin: var(--space-5) 0;
  overflow-x: auto;
  border: var(--border-width) solid var(--color-border-default);
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
  scrollbar-color: var(--color-border-strong) transparent;
  scrollbar-width: thin;
}

body.ai-chat-page ai-transcript .content table {
  width: max-content;
  min-width: 100%;
  margin: 0;
  border-collapse: collapse;
  color: var(--color-text-secondary);
  font-size: var(--conversation-table-font-size);
  line-height: var(--line-height-ui);
}

body.ai-chat-page ai-transcript .content th,
body.ai-chat-page ai-transcript .content td {
  max-width: 34ch;
  padding: var(--space-3) var(--space-4);
  border: 0;
  border-right: var(--border-width) solid var(--color-border-subtle);
  border-bottom: var(--border-width) solid var(--color-border-subtle);
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}

body.ai-chat-page ai-transcript .content th {
  background: var(--color-surface-2);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

body.ai-chat-page ai-transcript .content tr:last-child td {
  border-bottom: 0;
}

body.ai-chat-page ai-transcript .content th:last-child,
body.ai-chat-page ai-transcript .content td:last-child {
  border-right: 0;
}

body.ai-chat-page ai-transcript .katex-display {
  max-width: 100%;
  margin: var(--space-5) 0;
  padding: var(--space-2) 0;
  overflow-x: auto;
  overflow-y: hidden;
}

/* Message footer: actions remain discoverable without hover */
body.ai-chat-page ai-transcript .actions {
  position: absolute;
  right: 0;
  bottom: 0;
  display: flex;
  gap: var(--space-1);
  opacity: 0.72;
  transform: none;
  pointer-events: auto;
  transition: opacity var(--duration-fast) var(--ease-standard);
}

body.ai-chat-page ai-transcript .bubble:hover .actions,
body.ai-chat-page ai-transcript .bubble:focus-within .actions {
  opacity: 1;
}

body.ai-chat-page ai-transcript .action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: var(--border-width) solid var(--color-border-default);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-text-tertiary);
  cursor: pointer;
}

body.ai-chat-page ai-transcript .action-btn:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

body.ai-chat-page ai-transcript .usage {
  position: absolute;
  left: 0;
  bottom: var(--space-2);
  display: none;
  max-width: calc(100% - 48px);
  padding: 0;
  overflow: hidden;
  border: 0;
  background: transparent;
  color: var(--color-text-tertiary);
  font-size: var(--conversation-meta-font-size);
  font-variant-numeric: tabular-nums;
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
  opacity: 1;
}

body.ai-chat-page ai-transcript .msg.a .usage {
  padding: 4px 8px;
  border: var(--border-width) solid var(--color-border-default);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-surface-2) 88%, var(--color-accent-soft));
  color: var(--color-text-secondary);
}

body.ai-chat-page ai-transcript .msg.u .actions {
  right: var(--space-2);
  bottom: var(--space-2);
}

body.ai-chat-page ai-transcript .msg.u .action-btn {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-pill);
}

body.ai-chat-page ai-transcript .msg.u .usage {
  left: var(--space-4);
  bottom: var(--space-3);
}

body.ai-chat-page ai-transcript .msg.u.has-user-message-warning {
  flex-direction: column;
  align-items: flex-end;
}

body.ai-chat-page ai-transcript .msg.u .user-message-warning {
  width: min(78%, 760px);
}

/* Long user prompts */
body.ai-chat-page ai-transcript .msg.u .bubble.is-collapsible {
  overflow: hidden;
}

body.ai-chat-page ai-transcript .msg.u .bubble.is-collapsed .content {
  position: relative;
  max-height: 280px;
  overflow: hidden;
}

body.ai-chat-page ai-transcript .msg.u .bubble.is-collapsed .content::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: var(--space-16);
  pointer-events: none;
  background: linear-gradient(180deg, transparent, var(--conversation-user-message-surface-deep));
}

body.ai-chat-page ai-transcript .user-expand-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: flex-start;
  margin: var(--space-2) 0 0;
}

body.ai-chat-page ai-transcript .user-expand-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  min-height: 32px;
  padding: var(--space-1) 0;
  border: 0;
  background: transparent;
  color: var(--color-link);
  font-size: var(--text-ui);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
}

/* Existing media and files */
body.ai-chat-page ai-transcript .bubble .thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(104px, 132px));
  gap: var(--space-2);
  max-width: 100%;
  margin-top: var(--space-4);
}

body.ai-chat-page ai-transcript .thumbs .thumb,
body.ai-chat-page ai-transcript .image-wrap,
body.ai-chat-page ai-transcript .ai-video-card {
  overflow: hidden;
  border: var(--border-default);
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
}

body.ai-chat-page ai-transcript .thumbs .thumb:hover {
  border-color: var(--color-border-strong);
}

body.ai-chat-page ai-transcript .bubble .thumbs[data-count="1"] {
  display: block;
  padding: 0;
}

body.ai-chat-page ai-transcript .bubble .thumbs[data-count="1"] .thumb {
  width: min(100%, 720px);
  aspect-ratio: 16 / 9;
}

body.ai-chat-page ai-transcript .image-wrap {
  width: min(100%, 720px);
  margin-top: var(--space-4);
  padding: var(--space-2);
}

body.ai-chat-page ai-transcript .image-wrap img.ai-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 72vh;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

body.ai-chat-page ai-transcript .file-attachments {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(190px, 100%), 260px));
  gap: var(--space-2);
  max-width: 100%;
  margin-top: var(--space-4);
}

body.ai-chat-page ai-transcript .file-attachment {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  padding: var(--space-2) var(--space-3);
  border: var(--border-default);
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
}

body.ai-chat-page ai-transcript .file-attachment-icon {
  background: var(--color-accent-soft);
  border-color: var(--color-border-accent);
  color: var(--color-link);
}

body.ai-chat-page ai-transcript .file-attachment-name {
  color: var(--color-text-primary);
}

body.ai-chat-page ai-transcript .file-attachment-size,
body.ai-chat-page ai-transcript .ai-video-note {
  color: var(--color-text-tertiary);
}

body.ai-chat-page ai-transcript .artifact-list {
  display: grid;
  gap: var(--space-2);
  width: min(100%, 620px);
  margin-top: var(--space-4);
}

body.ai-chat-page ai-transcript .artifact-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  padding: var(--space-3);
  border: var(--border-width) solid var(--color-border-accent);
  border-radius: var(--radius-md);
  background: var(--color-surface-1);
}

body.ai-chat-page ai-transcript .artifact-card__badge {
  display: inline-flex;
  flex: 0 0 44px;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 var(--space-1);
  border: var(--border-width) solid var(--color-border-accent);
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-link);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  line-height: 1;
}

body.ai-chat-page ai-transcript .artifact-card__details {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-width: 0;
}

body.ai-chat-page ai-transcript .artifact-card__name {
  overflow: hidden;
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-sm);
  text-overflow: ellipsis;
  white-space: nowrap;
}

body.ai-chat-page ai-transcript .artifact-card__meta {
  color: var(--color-text-tertiary);
  font-size: var(--text-xs);
  line-height: var(--line-height-sm);
}

body.ai-chat-page ai-transcript .artifact-card--failed {
  border-color: color-mix(in srgb, var(--color-danger) 38%, var(--color-border-default));
}

body.ai-chat-page ai-transcript .artifact-card--failed .artifact-card__badge {
  border-color: color-mix(in srgb, var(--color-danger) 45%, var(--color-border-default));
  background: color-mix(in srgb, var(--color-danger) 12%, var(--color-surface-1));
  color: var(--color-danger);
}

body.ai-chat-page ai-transcript .artifact-card__download {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: var(--space-2) var(--space-3);
  border: var(--border-width) solid var(--color-border-accent);
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-link);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
}

body.ai-chat-page ai-transcript .artifact-card__download:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

body.ai-chat-page ai-transcript .artifact-card__download:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (max-width: 575.98px) {
  body.ai-chat-page ai-transcript .artifact-card {
    align-items: stretch;
    flex-wrap: wrap;
  }

  body.ai-chat-page ai-transcript .artifact-card__details {
    flex-basis: calc(100% - 56px);
  }

  body.ai-chat-page ai-transcript .artifact-card__download {
    width: 100%;
    min-height: 44px;
  }
}

body.ai-chat-page ai-transcript .video-wrap {
  display: grid;
  gap: var(--space-3);
  max-width: 100%;
  margin-top: var(--space-4);
}

body.ai-chat-page ai-transcript .ai-video-card {
  width: min(100%, 720px);
}

body.ai-chat-page ai-transcript .ai-video-player {
  display: block;
  width: 100%;
  max-height: 520px;
  background: #000;
}

body.ai-chat-page ai-transcript .ai-video-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3) var(--space-1);
}

body.ai-chat-page ai-transcript .ai-video-download {
  color: var(--color-link);
}

body.ai-chat-page ai-transcript .ai-video-studio-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-top: var(--border-width) solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

body.ai-chat-page ai-transcript .ai-video-studio-cta > * {
  min-width: 0;
}

body.ai-chat-page ai-transcript .ai-video-studio-cta a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  max-width: 100%;
  color: var(--color-link);
  text-underline-offset: 0.2em;
}

body.ai-chat-page ai-transcript .ai-video-studio-cta a:hover {
  color: var(--color-link-hover);
}

body.ai-chat-page ai-transcript .ai-video-studio-cta a:active {
  color: var(--color-accent-active);
}

/* Loading, streaming and semantic conversation notices */
body.ai-chat-page ai-transcript .typing {
  display: none;
  align-items: center;
  gap: 7px;
  width: fit-content;
  margin: var(--space-3) 0 calc(var(--composer-h, var(--ai-composer-reserved-height)) + var(--space-3));
  padding: 8px 11px 8px 12px;
  border: var(--border-width) solid var(--color-success-soft);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-surface-1) 72%, transparent);
}

body.ai-chat-page ai-transcript .typing.show {
  display: inline-flex;
}

body.ai-chat-page ai-transcript .typing .dot {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--conversation-loader-color);
  box-shadow: 0 0 7px color-mix(in srgb, var(--conversation-loader-color) 42%, transparent);
  opacity: 0.62;
  animation: aiConversationStatus 1.15s ease-in-out infinite;
}

body.ai-chat-page ai-transcript .typing .dot:nth-child(2),
body.ai-chat-page ai-transcript .typing .dot:nth-child(3) {
  display: block;
}

body.ai-chat-page ai-transcript .typing .dot:nth-child(2) {
  animation-delay: 140ms;
}

body.ai-chat-page ai-transcript .typing .dot:nth-child(3) {
  animation-delay: 280ms;
}

@keyframes aiConversationStatus {
  0%, 80%, 100% { transform: translateY(0) scale(0.78); opacity: 0.48; }
  40% { transform: translateY(-3px) scale(1.22); opacity: 1; }
}

body.ai-chat-page ai-transcript .stream-cursor {
  display: inline;
  margin-left: 1px;
  color: var(--color-success);
  text-shadow: 0 0 8px var(--color-success-soft);
  animation: aiConversationCursor 1s steps(2, start) infinite;
}

@keyframes aiConversationCursor {
  0%, 45% { opacity: 1; }
  46%, 100% { opacity: 0; }
}

body.ai-chat-page ai-transcript .assistant-partial-notice,
body.ai-chat-page ai-transcript .user-message-warning,
body.ai-chat-page ai-transcript .guest-registration-promo {
  max-width: 100%;
  margin: var(--space-3) 0 0;
  padding: var(--space-2) var(--space-3);
  border: var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--color-surface-1);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: var(--line-height-sm);
  box-shadow: none;
}

body.ai-chat-page ai-transcript .agent-status-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-width: 100%;
  margin: 0 0 10px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: var(--color-text-tertiary);
  font-size: var(--conversation-meta-font-size);
  line-height: var(--line-height-xs);
}

body.ai-chat-page ai-transcript .agent-status-line {
  display: flex;
  align-items: center;
  gap: 6px;
}

body.ai-chat-page ai-transcript .agent-status-line::before {
  content: "";
  flex: 0 0 6px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-intelligence);
}

body.ai-chat-page ai-transcript .assistant-partial-notice,
body.ai-chat-page ai-transcript .user-message-warning {
  border-color: color-mix(in srgb, var(--color-warning) 48%, transparent);
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

body.ai-chat-page ai-transcript .msg.a.moderation-blocked .bubble {
  padding: var(--space-3);
  border: var(--border-width) solid var(--color-danger);
  border-radius: var(--radius-md);
  background: var(--color-danger-soft);
  box-shadow: none;
}

body.ai-chat-page ai-transcript .msg.a.moderation-blocked .moderation-label {
  position: static;
  display: inline-flex;
  margin-bottom: var(--space-2);
  padding: var(--space-1) var(--space-2);
  border: var(--border-width) solid var(--color-danger);
  border-radius: var(--radius-sm);
  background: var(--color-danger-soft);
  color: var(--color-danger);
  font-size: var(--conversation-meta-font-size);
}

body.ai-chat-page ai-transcript .billing-chip {
  margin-top: var(--space-3);
  gap: 6px;
  padding: 4px 9px 4px 5px;
  border: var(--border-width) solid color-mix(in srgb, var(--color-border-accent) 82%, var(--color-border-default));
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--color-accent-soft) 82%, var(--color-surface-2)),
    color-mix(in srgb, var(--color-accent-soft) 42%, var(--color-surface-1)));
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--color-accent) 16%, transparent);
  color: var(--color-text-primary);
  font-size: var(--conversation-meta-font-size);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-xs);
}

body.ai-chat-page ai-transcript .billing-chip::before {
  width: 20px;
  height: 20px;
  margin-right: 0;
  background: color-mix(in srgb, var(--color-accent-soft) 68%, var(--color-surface-3));
  border-color: var(--color-border-accent);
  color: var(--color-accent-hover);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
}

body.ai-chat-page ai-transcript .billing-chip.billing-error {
  border-color: color-mix(in srgb, var(--color-danger) 48%, var(--color-border-default));
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

body.ai-chat-page ai-transcript .billing-chip.billing-error::before {
  background: var(--color-danger-soft);
  border-color: color-mix(in srgb, var(--color-danger) 48%, var(--color-border-default));
  color: var(--color-danger);
}

body.ai-chat-page ai-transcript .guest-limit-card {
  max-width: 680px;
  padding: var(--space-5);
  border: var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--color-surface-1);
  box-shadow: inset 0 1px 0 var(--color-border-subtle);
}

body.ai-chat-page ai-transcript .msg.a.guest-limit-message .bubble {
  padding-top: 0;
}

body.ai-chat-page ai-transcript .msg.a.guest-limit-message .usage,
body.ai-chat-page ai-transcript .msg.a.guest-limit-message .actions {
  display: none;
}

body.ai-chat-page ai-transcript .guest-limit-title {
  margin: 0 0 var(--space-2);
  color: var(--color-text-primary);
  font-size: var(--text-lg);
  line-height: var(--line-height-lg);
}

body.ai-chat-page ai-transcript .guest-limit-text {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--text-ui);
  line-height: var(--line-height-body-sm);
}

body.ai-chat-page ai-transcript .guest-limit-actions,
body.ai-chat-page ai-transcript .guest-registration-promo-actions,
body.ai-chat-page ai-transcript .capability-guidance-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

body.ai-chat-page ai-transcript .guest-registration-promo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

body.ai-chat-page ai-transcript .guest-registration-promo-copy {
  display: flex;
  flex: 1 1 360px;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

body.ai-chat-page ai-transcript .guest-registration-promo-title {
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
}

body.ai-chat-page ai-transcript .guest-limit-register,
body.ai-chat-page ai-transcript .guest-limit-login,
body.ai-chat-page ai-transcript .guest-registration-promo-register,
body.ai-chat-page ai-transcript .guest-registration-promo-login,
body.ai-chat-page ai-transcript .capability-guidance-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: var(--space-2) var(--space-3);
  border: var(--border-width) solid var(--color-border-default);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-link);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-sm);
  text-decoration: none;
  cursor: pointer;
}

body.ai-chat-page ai-transcript .guest-limit-register:hover,
body.ai-chat-page ai-transcript .guest-limit-login:hover,
body.ai-chat-page ai-transcript .guest-registration-promo-register:hover,
body.ai-chat-page ai-transcript .guest-registration-promo-login:hover,
body.ai-chat-page ai-transcript .capability-guidance-action:hover {
  border-color: var(--color-border-accent);
  background: var(--color-accent-soft);
  color: var(--color-link-hover);
}

body.ai-chat-page ai-center .session-load-state {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  max-width: 560px;
  margin: var(--space-10) auto;
  padding: var(--space-5);
  border: var(--border-default);
  border-radius: var(--radius-lg);
  background: var(--color-surface-1);
  box-shadow: var(--shadow-sm);
}

body.ai-chat-page ai-center .session-load-state[hidden] {
  display: none;
}

body.ai-chat-page ai-center .session-load-state-title {
  color: var(--color-text-primary);
  font-size: var(--text-lg);
  line-height: var(--line-height-lg);
}

body.ai-chat-page ai-center .session-load-state-text {
  color: var(--color-text-secondary);
  font-size: var(--text-ui);
  line-height: var(--line-height-ui);
}

body.ai-chat-page ai-center .session-load-retry {
  min-height: 40px;
  margin-top: var(--space-1);
  padding: var(--space-2) var(--space-4);
  border: var(--border-width) solid var(--color-border-accent);
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: var(--color-link);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
}

body.ai-chat-page ai-center .session-load-retry:hover {
  background: var(--color-surface-hover);
  color: var(--color-link-hover);
}

@media (max-width: 767.98px) {
  body.ai-chat-page ai-center:not([data-empty="1"]) .ai-center-inner {
    padding: var(--space-4) var(--space-4)
      calc(var(--composer-h, var(--ai-composer-reserved-height)) + var(--space-4) + env(safe-area-inset-bottom, 0px));
  }

  body.ai-chat-page ai-center .composer-wrap {
    padding: var(--space-2) var(--space-3) calc(var(--space-2) + env(safe-area-inset-bottom, 0px));
  }

  body.ai-chat-page ai-transcript .msg.u .bubble {
    max-width: 90%;
  }
}

@media (max-width: 575.98px) {
  body.ai-chat-page {
    --composer-action-size: var(--composer-touch-action-size);
    --composer-min-height: 0;
    --conversation-row-gap: var(--space-6);
  }

  body.ai-chat-page ai-center:not([data-empty="1"]) .ai-center-inner {
    padding-inline: var(--space-3);
  }

  body.ai-chat-page ai-composer .composer {
    padding: var(--space-2);
    border-radius: var(--radius-md);
  }

  body.ai-chat-page ai-composer textarea {
    min-height: 36px;
    max-height: 160px;
    padding: var(--space-2);
    font-size: 16px;
  }

  body.ai-chat-page ai-composer #send,
  body.ai-chat-page ai-composer .btn-stop {
    flex-basis: var(--composer-touch-action-size);
    width: var(--composer-touch-action-size);
    height: var(--composer-touch-action-size);
  }

  body.ai-chat-page ai-composer .hint {
    font-size: 0.6875rem;
  }

  body.ai-chat-page ai-composer .chip-file {
    width: 100%;
  }

  body.ai-chat-page ai-transcript .list {
    gap: var(--conversation-row-gap);
    padding: var(--space-1) 0;
  }

  body.ai-chat-page ai-transcript .msg.u .bubble {
    max-width: 94%;
    padding: 10px 40px 54px 13px;
    border-radius: var(--radius-md) var(--radius-md) var(--radius-xs) var(--radius-md);
  }

  body.ai-chat-page ai-transcript .msg.a .bubble {
    padding-top: 0;
  }

  body.ai-chat-page ai-transcript .assistant-meta {
    position: static;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    width: 100%;
    height: auto;
    margin-bottom: var(--space-2);
  }

  body.ai-chat-page ai-transcript .model-badge,
  body.ai-chat-page ai-transcript .assistant-wait-status {
    position: static;
    width: auto;
    max-width: 100%;
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
  }

  body.ai-chat-page ai-transcript .content,
  body.ai-chat-page ai-transcript .msg.u .content {
    font-size: var(--text-body);
    line-height: var(--line-height-body);
  }

  body.ai-chat-page ai-transcript .content h1 {
    font-size: calc(var(--text-xl) + 1px);
    line-height: var(--line-height-xl);
  }

  body.ai-chat-page ai-transcript .content h2 {
    font-size: calc(var(--text-lg) + 1px);
    line-height: var(--line-height-lg);
  }

  body.ai-chat-page ai-transcript .content h3 {
    font-size: calc(var(--text-body) + 1px);
    line-height: var(--line-height-body-sm);
  }

  body.ai-chat-page ai-transcript .content ul,
  body.ai-chat-page ai-transcript .content ol {
    padding-left: var(--space-5);
  }

  body.ai-chat-page ai-transcript .action-btn,
  body.ai-chat-page ai-transcript .code-copy-btn {
    width: var(--composer-touch-action-size);
    height: var(--composer-touch-action-size);
  }

  body.ai-chat-page ai-transcript .msg.a .bubble,
  body.ai-chat-page ai-transcript .msg.u .bubble {
    padding-bottom: 54px;
  }

  body.ai-chat-page ai-transcript .code-block,
  body.ai-chat-page ai-transcript .md-table-wrap {
    margin: var(--space-4) 0;
  }

  body.ai-chat-page ai-transcript .code-block pre {
    padding: var(--space-3);
    font-size: var(--text-sm);
    line-height: var(--line-height-sm);
  }

  body.ai-chat-page ai-transcript .content th,
  body.ai-chat-page ai-transcript .content td {
    padding: var(--space-2) var(--space-3);
  }

  body.ai-chat-page ai-transcript .guest-limit-actions {
    align-items: stretch;
    flex-direction: column;
  }

  body.ai-chat-page ai-transcript .guest-registration-promo {
    align-items: flex-start;
    flex-direction: column;
  }

  body.ai-chat-page ai-transcript .guest-limit-register,
  body.ai-chat-page ai-transcript .guest-limit-login {
    width: 100%;
    min-height: var(--composer-touch-action-size);
  }
}

@media (max-width: 359.98px) {
  body.ai-chat-page ai-composer .composer-row {
    gap: var(--space-1);
  }

  body.ai-chat-page ai-composer .composer-side {
    gap: var(--space-1);
  }

  body.ai-chat-page ai-composer .hint {
    align-items: flex-start;
    flex-direction: column;
    gap: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.ai-chat-page ai-transcript .typing .dot,
  body.ai-chat-page ai-transcript .stream-cursor,
  body.ai-chat-page ai-transcript .assistant-wait-spinner,
  body.ai-chat-page ai-transcript .action-btn.pulse,
  body.ai-chat-page ai-composer .voice-wave span,
  body.ai-chat-page ai-composer .voice-spinner {
    animation: none;
  }
}

@media (forced-colors: active) {
  body.ai-chat-page ai-composer .composer,
  body.ai-chat-page ai-composer .btn-icon,
  body.ai-chat-page ai-transcript .msg.u .bubble,
  body.ai-chat-page ai-transcript .code-block,
  body.ai-chat-page ai-transcript .md-table-wrap,
  body.ai-chat-page ai-transcript .action-btn {
    border: 1px solid CanvasText;
  }

  body.ai-chat-page ai-composer #send {
    color: ButtonText;
    background: ButtonFace;
  }
}