/* ─── Messages ─── */

.messages {

  flex: 1;

  view-transition-name: chat-messages;

  overflow-y: auto;

  padding: 36px clamp(12px, 2vw, 24px) 160px;

  scroll-behavior: auto;

}

body.temporary-chat:not(.chat-empty) .messages {

  padding-top: 72px;

}

.empty-state {

  display: flex;

  flex-direction: column;

  align-items: center;

  justify-content: center;

  height: 100%;

  text-align: center;

  gap: 8px;

  padding-bottom: 80px;

}

.empty-state .type-line {

  width: 100%;

  font-size: 38px;

  font-weight: 600;

  margin: 0;

  color: var(--text);

  letter-spacing: -0.02em;

  text-align: center;

}

.message {

  max-width: var(--content-max);

  width: 100%;

  margin: 0 auto 48px;

  display: flex;

  gap: 0;

}

.message.user {

  flex-direction: row-reverse;

}

.message.user .message-body {

  display: flex;

  flex-direction: column;

  align-items: flex-end;

  max-width: min(720px, 78%);

  margin-left: auto;

}

.message.assistant:not(.compare-message):not(.council-message) .message-body {

  max-width: 100%;

}

.message.user:not(.compare-message):not(.council-message) .message-content {

  width: fit-content;

  max-width: 100%;

  background: var(--bg-secondary);

  border: none;

  border-radius: 22px;

  padding: 14px 18px;

  box-shadow: none;

}

.message.user.sent-message-transition .message-content {
  view-transition-name: sent-user-message;
}

::view-transition-new(sent-user-message) {
  animation: sent-user-message-in 260ms cubic-bezier(0.23, 1, 0.32, 1) both;
  transform-origin: right bottom;
}

@keyframes sent-user-message-in {
  from {
    opacity: 0;
    transform: translate(12px, 18px) scale(0.95);
  }

  to {
    opacity: 1;
    transform: translate(0, 0) scale(1);
  }
}

.message.assistant:not(.compare-message):not(.council-message) .message-content {

  width: 100%;

  max-width: 100%;

  background: transparent;

  border: none;

  padding: 0;

  box-shadow: none;

}

.message-avatar {

  display: none;

}

.message-body {

  min-width: 0;

  flex: 1;

}

.message-meta {

  display: none;

}

.compare-message-label {

  display: inline-flex;

  align-items: center;

  gap: 7px;

  margin-bottom: 14px;

  color: var(--text-tertiary);

  font-size: 13px;

  font-weight: 550;

}

.compare-message-label svg {

  flex: 0 0 auto;

}

.message-footer {

  display: flex;

  align-items: flex-start;

  flex-wrap: nowrap;

  gap: 10px;

  margin-top: 10px;

}

.message-footer-actions {

  display: inline-flex;

  align-items: center;

  gap: 2px;

  flex-shrink: 0;

  height: 32px;

}

.message-footer-sources {

  position: relative;

  display: inline-flex;

  align-items: flex-start;

  min-width: 0;

}

.message-footer-sources .sources-pill {

  margin: 0;

}

.message-footer-sources .sources-pill[open] .sources-pill-trigger {

  margin-bottom: 0;

}

.message-footer-sources .sources-panel {

  position: absolute;

  bottom: calc(100% + 6px);

  left: 0;

  top: auto;

  z-index: 12;

  min-width: min(100%, 320px);

  width: max-content;

  max-width: min(520px, calc(100vw - 48px));

  box-shadow: var(--shadow-md);

}

.message-footer-sources .sources-pill.opens-down .sources-panel {
  top: calc(100% + 6px);
  bottom: auto;
}

.msg-action-btn {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  gap: 4px;

  padding: 6px;

  border: none;

  border-radius: 8px;

  font-size: 12px;

  font-weight: 500;

  color: var(--text-tertiary);

  background: transparent;

  cursor: pointer;

  transition: background var(--transition), color var(--transition);

}

.msg-action-btn:hover {

  background: var(--bg-secondary);

  color: var(--text);

}

.msg-copy-btn--icon,

.msg-retry-btn,

.message-more-menu > summary {

  width: 32px;

  height: 32px;

  padding: 0;

}

.message-more-menu {
  position: relative;
}

.message-more-menu > summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  list-style: none;
}

.message-more-menu > summary::-webkit-details-marker {
  display: none;
}

.message-more-popover {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  z-index: 20;
  min-width: 142px;
  padding: 5px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  box-shadow: var(--shadow-md);
}

.message-more-popover button {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 9px 10px;
  border-radius: 7px;
  color: var(--text);
  font-size: 13px;
  text-align: left;
}

.message-more-popover button:hover {
  background: var(--bg-secondary);
}

.selection-actions {
  position: fixed;
  z-index: 1002;
  display: flex;
  gap: 0;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  box-shadow: var(--shadow-md);
}

.selection-actions button {
  position: relative;
  padding: 7px 11px;
  border-radius: 7px;
  color: var(--text);
  font-size: 12px;
  font-weight: 550;
  transition: background 140ms ease, transform 140ms cubic-bezier(0.23, 1, 0.32, 1);
}

.selection-actions button + button {
  margin-left: 3px;
  padding-left: 12px;
}

.selection-actions button + button::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22%;
  bottom: 22%;
  width: 1px;
  background: var(--border);
  pointer-events: none;
}

.selection-actions button:hover {
  background: var(--bg-secondary);
}

.selection-actions button:active {
  transform: scale(0.97);
}

.side-chat-panel {
  position: fixed;
  z-index: 1001;
  display: flex;
  flex-direction: column;
  width: min(390px, calc(100vw - 24px));
  height: min(520px, calc(100vh - 24px));
  min-width: 320px;
  min-height: 320px;
  max-width: calc(100vw - 16px);
  max-height: calc(100vh - 16px);
  overflow: hidden;
  resize: both;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  box-shadow: var(--shadow-lg);
}

.side-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 0 0 auto;
  padding: 12px 12px 10px 14px;
  border-bottom: 1px solid var(--border);
  cursor: move;
  touch-action: none;
  user-select: none;
}

.side-chat-header > div {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.side-chat-header strong {
  font-size: 14px;
}

.side-chat-header span {
  color: var(--text-tertiary);
  font-size: 11px;
}

.side-chat-header button {
  display: inline-flex;
  padding: 6px;
  border-radius: 7px;
  color: var(--text-secondary);
  cursor: pointer;
}

.side-chat-header button:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.side-chat-context {
  flex: 0 0 auto;
  margin: 10px 12px 0;
  padding: 9px 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  font-size: 11px;
  line-height: 1.35;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.side-chat-messages {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  padding: 14px;
  overflow-y: auto;
}

.side-chat-message {
  max-width: 88%;
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
}

.side-chat-message.user {
  align-self: flex-end;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--bg-secondary);
}

.side-chat-message.assistant {
  align-self: stretch;
  max-width: 100%;
}

.side-chat-message.assistant > :first-child {
  margin-top: 0;
}

.side-chat-message.assistant > :last-child {
  margin-bottom: 0;
}

.side-chat-error {
  color: var(--danger);
}

.side-chat-composer {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  margin: 0 12px 12px;
  padding: 8px 8px 8px 11px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--bg-secondary);
  box-shadow: var(--shadow-sm);
}

.side-chat-composer:focus-within {
  border-color: var(--text-tertiary);
}

.side-chat-composer textarea {
  flex: 1;
  min-width: 0;
  max-height: 110px;
  padding: 4px 0;
  resize: none;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font: inherit;
  font-size: 13px;
}

.side-chat-composer button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: var(--accent-contrast);
  background: var(--accent);
}

.side-chat-composer button:disabled {
  color: var(--text-tertiary);
  background: var(--bg-secondary);
  cursor: default;
}

.side-chat-add-card {
  margin-top: 8px;
  padding: 4px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
}

.side-chat-add-card:hover:not(:disabled) {
  color: var(--text);
  background: var(--bg-secondary);
}

.side-chat-add-card:disabled {
  cursor: default;
  opacity: 0.7;
}

body.capacitor-native .selection-actions,
body.capacitor-native .side-chat-panel {
  display: none !important;
}

@media (pointer: coarse), (max-width: 700px) {
  .selection-actions,
  .side-chat-panel {
    display: none !important;
  }
}

.msg-copy-btn {

  display: inline-flex;

  align-items: center;

  gap: 4px;

  margin-left: 0;

  padding: 6px;

  border-radius: 8px;

  font-size: 12px;

  font-weight: 500;

  color: var(--text-tertiary);

  background: transparent;

  opacity: 1;

  transition: background var(--transition), color var(--transition);

}

.msg-copy-btn--icon,
.msg-report-btn {

  width: 32px;

  height: 32px;

  justify-content: center;

  padding: 0;

}

.msg-report-btn:hover {
  color: var(--danger);
}

.message:hover .msg-copy-btn,

.compare-response:hover .compare-copy-btn {

  opacity: 1;

}

.msg-copy-btn:hover {

  background: var(--bg-secondary);

  color: var(--text);

}

.compare-copy-btn {

  margin-left: auto;

}

@keyframes copy-success-flash {

  0% { transform: scale(1); }

  40% { transform: scale(1.14); color: var(--accent); background: color-mix(in srgb, var(--accent) 18%, transparent); }

  100% { transform: scale(1); }

}

.msg-copy-btn.copy-flash,

.msg-action-btn.copy-flash,

.code-copy-btn.copy-flash,

.compare-copy-btn.copy-flash {

  animation: copy-success-flash 0.42s ease;

}

@keyframes copy-check-in {

  from { opacity: 0; transform: scale(0.85); }

  to { opacity: 1; transform: scale(1); }

}

.copy-flash svg {

  animation: copy-check-in 180ms cubic-bezier(0.23, 1, 0.32, 1);

}

@media (prefers-reduced-motion: reduce) {

  @keyframes copy-check-in {

    from { opacity: 0; }

    to { opacity: 1; }

  }

}

.message-footer--user {

  justify-content: flex-end;

}

.msg-timestamp {

  position: relative;

  display: inline-flex;

  align-items: center;

  height: 32px;

  padding: 0 6px;

  color: var(--text-tertiary);

  font-size: 12px;

  font-weight: 500;

  line-height: 1;

  white-space: nowrap;

  cursor: default;

  opacity: 0;

  pointer-events: none;

  transition: opacity 140ms ease;

}

.msg-timestamp::after {

  content: attr(data-full);

  position: absolute;

  top: calc(100% + 6px);

  left: 50%;

  z-index: 12;

  padding: 6px 8px;

  border-radius: 6px;

  background: #111;

  color: #fff;

  font-size: 12px;

  font-weight: 500;

  line-height: 1.2;

  white-space: nowrap;

  opacity: 0;

  pointer-events: none;

  transform: translateX(-50%) translateY(2px) scale(0.97);

  transition: opacity 125ms var(--ease-out), transform 125ms var(--ease-out);

}

@media (hover: hover) and (pointer: fine) {

  .message.user:hover .msg-timestamp {

    opacity: 1;

    pointer-events: auto;

  }

  .msg-timestamp:hover::after,

  .msg-timestamp:focus-visible::after {

    opacity: 1;

    transform: translateX(-50%) translateY(0) scale(1);

  }

}

@media (hover: none) {

  .msg-timestamp {

    opacity: 1;

    pointer-events: auto;

  }

}

@media (prefers-reduced-motion: reduce) {

  .msg-timestamp,

  .msg-timestamp::after {

    transition: none;

  }

}

.message.user.editing .message-body {

  max-width: min(760px, 92%);

  width: 100%;

  align-items: stretch;

}

.message-edit {

  width: 100%;

  display: flex;

  flex-direction: column;

  gap: 10px;

}

.message-edit-input {

  width: 100%;

  resize: none;

  border: 1px solid var(--border);

  border-radius: 20px;

  background: var(--bg-secondary);

  color: var(--text);

  padding: 14px 18px;

  font: inherit;

  font-size: 15px;

  line-height: 1.55;

  outline: none;

  transition: border-color var(--transition), box-shadow var(--transition);

}

.message-edit-input:focus {

  border-color: var(--accent);

  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);

}

.message-edit-actions {

  display: flex;

  justify-content: flex-end;

  gap: 8px;

}

.message-edit-cancel,

.message-edit-save {

  padding: 8px 18px;

  border-radius: 999px;

  font-size: 13px;

  font-weight: 600;

  cursor: pointer;

  border: 1px solid var(--border);

  transition: background var(--transition), color var(--transition), border-color var(--transition);

}

.message-edit-cancel {

  background: transparent;

  color: var(--text-secondary);

}

.message-edit-cancel:hover {

  background: var(--bg-secondary);

  color: var(--text);

}

.message-edit-save {

  background: var(--accent);

  border-color: var(--accent);

  color: var(--accent-contrast);

}

.message-edit-save:hover {

  background: var(--accent-hover);

  border-color: var(--accent-hover);

}

.message-content {

  line-height: 1.65;

  color: var(--text);

  overflow-wrap: anywhere;

  font-size: 17px;

}

/* Claude-style sizing: user prompts stay compact, agent replies read larger. */
.message.user .message-content {

  font-size: 17px;

}

.message.assistant .message-content {

  font-size: 19px;

}

.streaming-text-reveal {
  animation: streaming-text-reveal 160ms cubic-bezier(0.23, 1, 0.32, 1) both;
}

@keyframes streaming-text-reveal {
  from {
    opacity: 0.35;
    filter: blur(2px);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .streaming-text-reveal {
    animation: none;
  }
}

.message.user .user-plain-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.message.user .user-plain-text .composer-skill-token {
  cursor: default;
  margin: 0 0.2em 0 0.35em;
  pointer-events: none;
}

.code-block-wrap {

  margin: 12px 0;

  border-radius: 10px;

  overflow: hidden;

  border: 1px solid var(--code-border);

  background: var(--code-bg);

  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);

}

.code-block-header {

  display: flex;

  align-items: center;

  justify-content: space-between;

  padding: 6px 12px;

  background: var(--code-header-bg);

  border-bottom: 1px solid var(--code-border);

  min-height: 34px;

}

.code-block-lang {

  font-size: 12px;

  font-weight: 500;

  color: var(--text-tertiary);

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  text-transform: lowercase;

}

.message-content pre {

  overflow-x: auto;

  padding: 14px 16px;

  background: var(--code-bg);

  color: var(--code-text);

  font-size: 14px;

  margin: 0;

  border-radius: 0;

}

.message-content pre:not(.code-block-wrap pre) {

  border: 1px solid var(--code-border);

  border-radius: 10px;

  margin: 12px 0;

}

.message-content code {

  font-family: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;

  font-size: 0.9em;

}

.message-content :not(pre) > code {

  background: var(--code-inline-bg);

  color: var(--code-inline-text);

  padding: 2px 6px;

  border-radius: 4px;

  font-size: 14px;

}

.message-content h1,

.message-content h2,

.message-content h3,

.message-content h4,

.message-content h5,

.message-content h6 {

  margin: 28px 0 10px;

  line-height: 1.3;

  font-weight: 650;

}

.message-content h1 { font-size: 1.5em; }

.message-content h2 { font-size: 1.32em; }

.message-content h3 { font-size: 1.16em; }

.message-content h4,

.message-content h5,

.message-content h6 { font-size: 1em; }

.message-content h1:first-child,

.message-content h2:first-child,

.message-content h3:first-child {

  margin-top: 0;

}

.message-content ul,

.message-content ol {

  margin: 12px 0;

  padding-left: 24px;

}

.message-content li {

  margin-bottom: 8px;

}

.message-content li:last-child {

  margin-bottom: 0;

}

.message-content li > ul,

.message-content li > ol {

  margin: 8px 0 0;

}

.message-content blockquote {

  margin: 12px 0;

  padding: 8px 16px;

  border-left: 3px solid var(--border);

  color: var(--text-secondary);

  background: var(--bg-secondary);

  border-radius: 0 8px 8px 0;

}

.message-content blockquote p {

  margin: 0;

}

.message-content hr {

  border: none;

  border-top: 1px solid var(--border-light);

  margin: 16px 0;

}

.message-content .table-scroll {

  overflow-x: auto;

  -webkit-overflow-scrolling: touch;

  max-width: 100%;

  margin: 12px 0;

  border: 1px solid var(--border);

  border-radius: 12px;

}

.message-content table {

  border-collapse: separate;

  border-spacing: 0;

  /* Size to content so wide tables scroll; min-width keeps small ones full-bleed. */
  width: max-content;

  min-width: 100%;

  margin: 0;

  font-size: 14px;

}

.message-content th,

.message-content td {

  padding: 10px 14px;

  border-right: 1px solid var(--border);

  border-bottom: 1px solid var(--border);

  text-align: left;

  /* Override .message-content { overflow-wrap: anywhere } so cells don't
     shatter mid-word — columns grow to fit, then the wrapper scrolls. */
  white-space: nowrap;

  overflow-wrap: normal;

  word-break: normal;

}

.message-content tr > :last-child {

  border-right: 0;

}

.message-content tbody tr:last-child > * {

  border-bottom: 0;

}

.message-content th {

  background: var(--bg-secondary);

  font-weight: 700;

  font-size: 14px;

  padding-block: 12px;

}

.message-content tr:nth-child(even) {

  background: var(--bg-secondary);

}

.message-content a {

  color: var(--accent);

  text-decoration: underline;

  text-underline-offset: 2px;

}

.message-content a:hover {

  opacity: 0.8;

}

.message-content p {

  margin: 14px 0;

}

.message-content > p:first-child {

  margin-top: 0;

}

.message-content > p:last-child {

  margin-bottom: 0;

}

.message-content .katex-display {

  margin: 14px 0;

  overflow-x: auto;

  overflow-y: hidden;

  padding: 4px 0;

}

.message-content .hljs {

  background: transparent;

}

.visualize-card {
  width: 100%;
  margin: 18px 0;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--text) 9%, transparent);
  border-radius: 20px;
  background: color-mix(in srgb, var(--bg) 96%, var(--surface));
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--bg) 70%, transparent),
    0 18px 48px color-mix(in srgb, var(--text) 8%, transparent);
}

.visualize-toolbar {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 9px 7px 16px;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
}

.visualize-label {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 680;
  letter-spacing: 0.01em;
}

.visualize-actions {
  display: inline-flex;
  gap: 4px;
}

.visualize-actions button {
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid color-mix(in srgb, var(--text) 8%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  color: var(--text-secondary);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}

.visualize-actions button:hover,
.visualize-actions button:focus-visible {
  background: color-mix(in srgb, var(--surface) 96%, var(--text) 4%);
  color: var(--text);
}

.visualize-actions button:active {
  transform: scale(0.98);
}

.visualize-stage {
  min-height: 280px;
  background: color-mix(in srgb, var(--bg) 97%, var(--surface));
}

.visualize-stage iframe {
  display: block;
  width: 100%;
  height: 420px;
  min-height: 280px;
  border: 0;
  background: transparent;
  opacity: 0;
  transform: scale(0.995);
  transform-origin: top center;
  transition: opacity 220ms ease-out, transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

.visualize-card.is-ready iframe {
  opacity: 1;
  transform: none;
}

.visualize-card.is-expanded {
  position: fixed;
  inset: clamp(8px, 1.5vw, 22px);
  z-index: 100;
  display: flex;
  flex-direction: column;
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--text) 11%, transparent);
  border-radius: 24px;
  background: var(--bg);
  color: var(--text);
  box-shadow: 0 28px 90px color-mix(in srgb, var(--text) 20%, transparent);
  animation: visualize-expand-in 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

.visualize-card.is-expanded .visualize-toolbar {
  background: var(--bg);
}

.visualize-card.is-expanded::backdrop {
  background: color-mix(in srgb, #0b0d12 38%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

@keyframes visualize-expand-in {
  from { opacity: 0; transform: scale(0.985); }
}

body.visualize-expanded {
  overflow: hidden;
}

.visualize-card.is-expanded .visualize-stage {
  flex: 1;
  min-height: 0;
}

.visualize-card.is-expanded iframe {
  height: 100% !important;
  min-height: 0;
}

.visualize-building {
  position: relative;
  min-height: min(52vh, 520px);
  background: color-mix(in srgb, var(--code-bg) 94%, var(--bg));
}

.visualize-building-code {
  height: min(46vh, 472px);
  overflow: hidden;
  background:
    linear-gradient(to bottom, color-mix(in srgb, var(--code-bg) 65%, transparent), transparent 20%),
    var(--code-bg);
}

.visualize-building-code pre {
  display: flex;
  height: 100%;
  align-items: flex-end;
  overflow: hidden;
  padding: 22px 26px 34px;
  border: 0;
  margin: 0;
  background: transparent;
  filter: blur(3.5px);
  opacity: 0.44;
  transform: scale(1.015);
  transform-origin: bottom center;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 84%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 84%, transparent);
}

.visualize-building-code code {
  color: var(--code-text);
  font-size: 13px;
  line-height: 1.65;
  white-space: pre-wrap;
}

.visualize-building-status {
  position: absolute;
  inset: 48px 0 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.visualize-building-status span {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 15px;
  border: 1px solid color-mix(in srgb, var(--text) 11%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(24px) saturate(145%);
  -webkit-backdrop-filter: blur(24px) saturate(145%);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--bg) 76%, transparent), 0 10px 34px color-mix(in srgb, var(--text) 11%, transparent);
  color: var(--text);
  font-size: 13px;
  font-weight: 650;
}

.visualize-building-status b {
  position: relative;
  display: inline-block;
  overflow: hidden;
  color: color-mix(in srgb, var(--text) 58%, transparent);
  font: inherit;
  contain: paint;
  animation: visualize-build-drift 2.4s cubic-bezier(0.77, 0, 0.175, 1) infinite;
}

.visualize-building-status b::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  color: transparent;
  -webkit-text-fill-color: transparent;
  background-image: linear-gradient(90deg, transparent 0%, transparent 40%, var(--text) 50%, transparent 60%, transparent 100%);
  background-size: 250% 100%;
  background-position: 100% center;
  background-repeat: no-repeat;
  background-clip: text;
  -webkit-background-clip: text;
  animation: thinking-status-shimmer 1.2s linear infinite;
}

@keyframes visualize-build-drift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -1px, 0); }
}

.visualize-runtime-error {
  padding: 9px 13px;
  border-top: 1px solid color-mix(in srgb, var(--danger, #b42318) 28%, var(--border));
  background: color-mix(in srgb, var(--danger, #b42318) 8%, var(--bg));
  color: var(--danger, #b42318);
  font-size: 13px;
  line-height: 1.4;
}

.visualize-runtime-error[hidden] {
  display: none;
}

.visualize-error {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 16px;
  color: var(--text-secondary);
  font-size: 14px;
}

.visualize-error strong {
  color: var(--text);
}

@media (max-width: 640px) {
  .visualize-card {
    border-radius: 16px;
  }

  .visualize-label {
    font-size: 12px;
  }

  .visualize-actions button {
    padding-inline: 8px;
  }

  .visualize-card.is-expanded {
    inset: 0;
    border: 0;
    border-radius: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .visualize-card.is-expanded {
    animation: none;
  }

  .visualize-actions button:active,
  .visualize-stage iframe {
    transform: none;
  }

  .visualize-building-status b::after {
    animation: none;
    display: none;
  }

  .visualize-building-status b {
    animation: none;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .visualize-toolbar,
  .visualize-building-status span {
    background: var(--bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* Compare: two answers side by side, split by a single hairline. No cards. */
.compare-message {

  max-width: min(1480px, calc(100vw - var(--sidebar-active-w) - 72px));

  width: 100%;

  padding-left: 12px;

}

.compare-grid {

  display: grid;

  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 0;

}

.compare-response {

  position: relative;

  min-width: 0;

  padding: 2px 36px 4px 0;

  animation: compare-lane-in 360ms var(--ease-out, ease-out) both;

}

.compare-response + .compare-response {

  padding: 2px 0 4px 36px;

  animation-delay: 70ms;

}

/* The divider grows from the top, like a line being drawn between the two answers. */
.compare-response + .compare-response::before {

  content: "";

  position: absolute;

  top: 4px;

  bottom: 4px;

  left: 0;

  width: 1px;

  background: linear-gradient(to bottom, transparent, var(--border) 28px, var(--border) calc(100% - 28px), transparent);

  transform-origin: top;

  animation: compare-divider-in 520ms var(--ease-out, ease-out) both;

}

.compare-response-head {

  display: flex;

  align-items: center;

  gap: 8px;

  min-height: 28px;

  margin-bottom: 8px;

  font-size: 12px;

}

.compare-response-head strong {

  min-width: 0;

  overflow: hidden;

  text-overflow: ellipsis;

  white-space: nowrap;

  color: var(--text-secondary);

  font-weight: 650;

  letter-spacing: 0.06em;

  text-transform: uppercase;

}

.compare-model-mark {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  width: 20px;

  height: 20px;

  flex-shrink: 0;

  color: var(--text-tertiary);

  font-size: 12px;

  font-weight: 700;

}

.compare-model-mark img {

  width: 18px;

  height: 18px;

  object-fit: contain;

  border-radius: 4px;

}

.compare-response-body {

  font-size: 15px;

}

@keyframes compare-lane-in {

  from { opacity: 0; transform: translateY(6px); }

  to { opacity: 1; transform: none; }

}

@keyframes compare-divider-in {

  from { transform: scaleY(0); }

  to { transform: scaleY(1); }

}

@media (max-width: 860px) {

  .compare-response,
  .compare-response + .compare-response {

    padding: 0;

  }

  .compare-response + .compare-response {

    margin-top: 22px;

    padding-top: 22px;

  }

  .compare-response + .compare-response::before {

    top: 0;

    right: 0;

    bottom: auto;

    width: auto;

    height: 1px;

    background: linear-gradient(to right, transparent, var(--border) 24px, var(--border) calc(100% - 24px), transparent);

    transform-origin: left;

    animation-name: compare-divider-in-x;

  }

  @keyframes compare-divider-in-x {

    from { transform: scaleX(0); }

    to { transform: scaleX(1); }

  }

}

@media (prefers-reduced-motion: reduce) {

  .compare-response,
  .compare-response + .compare-response::before {

    animation: none;

  }

}

.message-image {

  display: block;

  max-width: min(360px, 100%);

  max-height: 300px;

  object-fit: contain;

  border-radius: var(--radius);

  border: 1px solid var(--border-light);

  margin: 10px 0;

  cursor: zoom-in;

}

.user-image-strip {

  display: flex;

  gap: 8px;

  width: max-content;

  max-width: min(352px, calc(100vw - 48px));

  margin-bottom: 10px;

  overflow-x: auto;

  overscroll-behavior-inline: contain;

  scrollbar-width: thin;

}

.message.user .user-image-strip .message-image {

  width: 64px;

  height: 64px;

  max-width: none;

  max-height: none;

  flex: 0 0 64px;

  margin: 0;

  object-fit: cover;

  border-radius: 10px;

  background: var(--bg-secondary);

}

.message-file {

  display: inline-flex;

  align-items: center;

  gap: 10px;

  max-width: min(320px, 100%);

  margin: 0 0 8px;

  padding: 10px 12px;

  border: 1px solid var(--border);

  border-radius: 14px;

  background: var(--bg);

  color: var(--text);

  text-decoration: none;

  box-shadow: none;

}

.message.user .message-file {

  align-self: flex-end;

}

.message.user .message-image {

  align-self: flex-end;

  margin-bottom: 8px;

}

.message-file-icon {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  color: var(--text-secondary);

  flex-shrink: 0;

}

.message-file-text {

  min-width: 0;

  display: grid;

  gap: 2px;

}

.message-file-name {

  overflow: hidden;

  text-overflow: ellipsis;

  white-space: nowrap;

  font-size: 14px;

  font-weight: 600;

}

.message-file-meta {

  color: var(--text-tertiary);

  font-size: 12px;

}

.reasoning,

.tool-call {

  margin-top: 10px;

  border: 1px solid var(--border-light);

  border-radius: var(--radius);

  background: var(--bg-secondary);

}

.thinking-status {

  display: flex;

  align-items: center;

  gap: 8px;

  margin: 0 0 10px;

  color: var(--text-tertiary);

  font-size: 13px;

  font-weight: 500;

  line-height: 1.35;

  transition: opacity 160ms cubic-bezier(0.23, 1, 0.32, 1);

}

.thinking-status.is-leaving {

  opacity: 0;

  pointer-events: none;

}

.thinking-status::before {

  content: "";

  width: 6px;

  height: 6px;

  border-radius: var(--radius-full);

  background: currentColor;

  opacity: 0.55;

}

.thinking-status.is-active::before {

  animation: thinking-status-pulse 1.2s ease-in-out infinite;

}

.thinking-status.is-active > span {

  position: relative;

  display: inline-block;

  color: var(--text-tertiary);

}

.thinking-status.is-active > span::after {

  content: attr(data-label);

  position: absolute;

  inset: 0;

  color: transparent;

  -webkit-text-fill-color: transparent;

  background-image: linear-gradient(

    90deg,

    transparent 0%,

    transparent 40%,

    var(--text) 50%,

    transparent 60%,

    transparent 100%

  );

  background-size: 250% 100%;

  background-position: 100% center;

  background-repeat: no-repeat;

  -webkit-background-clip: text;

  background-clip: text;

  pointer-events: none;

  animation: thinking-status-shimmer 1.2s linear infinite;

}

@keyframes thinking-status-pulse {

  0%, 100% { opacity: 0.35; transform: scale(0.85); }

  50% { opacity: 0.9; transform: scale(1.15); }

}

@keyframes thinking-status-shimmer {

  from { background-position: 100% center; }

  to { background-position: 0% center; }

}

.reasoning summary,

.tool-call summary {

  padding: 10px 14px;

  color: var(--text-secondary);

  font-weight: 600;

  font-size: 13px;

  cursor: pointer;

  list-style: none;

}

.reasoning.is-done summary {

  color: var(--text-tertiary);

  font-weight: 500;

}

.reasoning div {

  padding: 0 14px 14px;

  color: var(--text-secondary);

  line-height: 1.6;

  font-size: 14px;

  min-height: 0;

}

.reasoning.is-streaming[open] div:empty {

  min-height: 1.25em;

}

.reasoning summary::-webkit-details-marker {

  display: none;

}

.reasoning summary::marker {

  content: "";

}

.reasoning summary::before {

  content: "";

  display: inline-block;

  width: 0;

  height: 0;

  margin-right: 8px;

  border-top: 4px solid transparent;

  border-bottom: 4px solid transparent;

  border-left: 5px solid var(--text-tertiary);

  transition: transform 0.15s ease;

  vertical-align: middle;

}

.reasoning[open] summary::before {

  transform: rotate(90deg);

}

.tool-call pre {

  margin: 0;

  padding: 10px 14px 14px;

  background: transparent;

  color: var(--text-secondary);

  font-size: 12px;

  border-radius: 0;

}

.message-error {
  display: inline-flex;

  width: fit-content;

  max-width: 100%;

  margin-top: 10px;

  border-radius: 999px;

  padding: 5px 8px;

  font-size: 12px;

  font-weight: 500;

  align-items: center;

  justify-content: space-between;

  gap: 6px;

  color: var(--danger);

  background: #fef2f2;

  border: 1px solid #fecaca;

}

.message-error-reload {

  flex: 0 0 auto;

  width: 24px;

  height: 24px;

  padding: 3px;

  color: inherit;

}

.message-error-reload:hover {

  background: #fee2e2;

}

.message-stopped {
  margin-top: 10px;
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 550;
  line-height: 1.4;
}

.msg-skeleton {

  max-width: var(--content-max);

  width: 100%;

  margin: 0 auto;

  display: flex;

  flex-direction: column;

  gap: 16px;

  padding: 8px 0;

}

.msg-skeleton-bar {

  height: 44px;

  border-radius: var(--radius);

  background: var(--bg-secondary);

  animation: msg-skeleton-pulse 1.2s ease-in-out infinite;

}

.msg-skeleton-bar:nth-child(1) { width: 72%; }

.msg-skeleton-bar:nth-child(2) { width: 46%; }

.msg-skeleton-bar:nth-child(3) { width: 58%; }

@keyframes msg-skeleton-pulse {

  50% { opacity: 0.55; }

}

@media (prefers-reduced-motion: reduce) {

  .msg-skeleton-bar { animation: none; }

}

/* ─── Email composer card ─── */

.klui-email {
  width: 100%;
  margin: 16px 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transform-origin: center;
  animation: klui-email-in 400ms cubic-bezier(0.23, 1, 0.32, 1) both;
}

.klui-email-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
}

.klui-email-edit,
.klui-email-revise,
.klui-email-icon-btn,
.klui-email-send,
.klui-email-menu button { font: inherit; }

.klui-email-edit[hidden],
.klui-email-revise[hidden],
.klui-email-menu[hidden] { display: none; }

.klui-email-edit {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 7px;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background 160ms ease-out, transform 160ms ease-out;
}

.klui-email-edit svg,
.klui-email-icon-btn svg,
.klui-email-send svg,
.klui-email-revise > svg,
.klui-email-revise button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.klui-email-revise {
  display: flex;
  align-items: center;
  gap: 9px;
  width: min(320px, 55vw);
  min-height: 40px;
  padding: 4px 5px 4px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.klui-email-revise input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 14px;
}

.klui-email-revise button {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border: 0;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent, #2f7df6) 35%, transparent);
  color: var(--text);
  cursor: pointer;
  transition: transform 160ms ease-out, background 160ms ease-out;
}

.klui-email-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
}

.klui-email-icon-btn {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background 160ms ease-out, transform 160ms ease-out;
}

.klui-email-icon-btn:disabled {
  color: var(--text-tertiary);
  cursor: default;
}

.klui-email-history {
  display: flex;
  align-items: center;
  gap: 7px;
}

.klui-email-history[hidden] { display: none; }

.klui-email-divider {
  width: 1px;
  height: 22px;
  margin: 0 4px;
  background: var(--border);
}

.klui-email-send-wrap { position: relative; }

.klui-email-send {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  gap: 8px;
  min-height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  background: #1a73e8;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background 160ms ease-out, transform 160ms ease-out;
}

.klui-email-send:hover { background: #1765cc; }

.klui-email-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 50px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-light);
}

.klui-email-row > span {
  flex: 0 0 32px;
  color: var(--text-secondary);
  font-size: 14px;
}

.klui-email-row--subject > span { display: none; }

.klui-email-row input,
.klui-email-subject {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 15px;
  outline: none;
}

.klui-email-subject {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.klui-email-subject:empty::before {
  content: "Subject";
  color: var(--text-tertiary);
}

.klui-email-body {
  min-height: 220px;
  padding: 20px 22px 24px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  outline: none;
  overflow-wrap: break-word;
}

.klui-email-body:empty::before {
  content: "Write your email…";
  color: var(--text-tertiary);
}

.klui-email-ph {
  background: rgba(26, 115, 232, 0.14);
  color: #1a73e8;
  border-radius: 4px;
  padding: 0 3px;
}

.klui-email-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 218px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  padding: 7px;
  z-index: 20;
  transform-origin: top right;
  animation: klui-email-menu-in 160ms ease-out both;
}

.klui-email-menu button {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 0;
  border-radius: 11px;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
}

.klui-email-brand {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  display: block;
  overflow: visible;
  border-radius: 5px;
  fill: none;
  stroke: none;
}

body[data-mode="dark"] .klui-email-ph {
  background: rgba(138, 180, 248, 0.18);
  color: #8ab4f8;
}

body[data-mode="dark"] .klui-email-send {
  background: #8ab4f8;
  color: #202124;
}

body[data-mode="dark"] .klui-email-send:hover { background: #aecbfa; }

@media (hover: hover) {
  .klui-email-edit:hover,
  .klui-email-icon-btn:not(:disabled):hover,
  .klui-email-menu button:hover { background: var(--bg-secondary); }
  .klui-email-revise button:hover { background: color-mix(in srgb, var(--accent, #2f7df6) 50%, transparent); }
}

.klui-email-edit:active,
.klui-email-icon-btn:active,
.klui-email-send:active,
.klui-email-revise button:active { transform: scale(0.96); }

.klui-email.is-revising [data-email-field="subject"],
.klui-email.is-revising [data-email-field="body"] {
  border-radius: 4px;
  color: transparent;
  background-image: linear-gradient(
    110deg,
    color-mix(in srgb, var(--text-secondary) 35%, transparent) 0%,
    color-mix(in srgb, var(--text) 70%, transparent) 45%,
    color-mix(in srgb, var(--text-secondary) 35%, transparent) 90%
  );
  background-size: 220% 100%;
  background-clip: text;
  -webkit-background-clip: text;
  filter: blur(1.2px);
  animation: doc-revise-shimmer 1.15s linear infinite;
  pointer-events: none;
}

.klui-email.is-revising .klui-email-ph {
  background: transparent;
  color: transparent;
}

@keyframes klui-email-in {
  from {
    opacity: 0;
    filter: blur(8px);
    transform: translateY(8px) scale(0.97);
  }
}

@keyframes klui-email-menu-in {
  from { opacity: 0; transform: translateY(-4px) scale(0.98); }
}

@media (max-width: 600px) {
  .klui-email { border-radius: 20px; }
  .klui-email-toolbar { gap: 6px; padding: 12px; }
  .klui-email-actions { gap: 4px; }
  .klui-email-history { gap: 2px; }
  .klui-email-icon-btn { width: 34px; height: 38px; }
  .klui-email-divider { margin: 0 2px; }
  .klui-email-edit { padding: 0 10px; }
  .klui-email-send { gap: 6px; padding: 0 12px; }
  .klui-email.is-editing .klui-email-toolbar { flex-wrap: wrap; }
  .klui-email-revise { order: 2; width: 100%; }
  .klui-email-row { padding: 0 16px; }
  .klui-email-body { min-height: 180px; padding: 18px 16px 22px; }
  .klui-email-menu { right: -2px; min-width: 205px; }
}

@media (prefers-reduced-motion: reduce) {
  .klui-email,
  .klui-email-menu { animation: none; }
  .klui-email-edit,
  .klui-email-icon-btn,
  .klui-email-send,
  .klui-email-revise button { transition: none; }
  .klui-email.is-revising [data-email-field="subject"],
  .klui-email.is-revising [data-email-field="body"] {
    animation: none;
    filter: blur(0.6px);
    opacity: 0.72;
  }
}