.chat-toggle {
  position: fixed;
  right: 22px;
  bottom: 14px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  box-sizing: border-box;
  height: 38px;
  min-height: 38px;
  padding: 4px 8px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: color-mix(in srgb, var(--glass-pane-bg) 94%, var(--surface-2) 6%);
  box-shadow: var(--glass-pane-highlight), var(--shadow-sm);
  backdrop-filter: var(--glass-pane-blur);
  -webkit-backdrop-filter: var(--glass-pane-blur);
  color: var(--text);
  font: 600 12px/1.2 var(--font-ui);
  cursor: pointer;
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition),
    background var(--transition);
}

.chat-toggle:hover {
  border-color: color-mix(in srgb, var(--accent) 42%, transparent);
  background: color-mix(in srgb, var(--accent) 14%, var(--surface-3) 86%);
  box-shadow: var(--glass-pane-highlight), var(--shadow-sm);
  color: var(--text-strong);
}

.chat-toggle-icon.icon-svg.icon-mask {
  width: 26px;
  height: 26px;
  color: inherit;
}

.chat-toggle-label {
  letter-spacing: 0.03em;
}

.chat-window {
  position: fixed;
  right: 22px;
  bottom: 70px;
  z-index: 80;
  width: 420px;
  max-width: calc(100vw - 44px);
  height: 590px;
  max-height: calc(100vh - var(--topbar-h) - 32px);
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--border) 75%, transparent);
  background: color-mix(in srgb, var(--chat-custom-bg, var(--surface-2)) 88%, transparent);
  backdrop-filter: var(--glass-pane-blur);
  -webkit-backdrop-filter: var(--glass-pane-blur);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition:
    width var(--transition),
    height var(--transition),
    left var(--transition),
    right var(--transition),
    top var(--transition),
    bottom var(--transition),
    border-radius var(--transition);
}

.chat-window.chat-window-expanded {
  left: var(--chat-expanded-left, calc(var(--rail-w) + 8px));
  top: var(--chat-expanded-top, calc(var(--topbar-h) + 8px));
  right: auto;
  bottom: auto;
  width: var(--chat-expanded-width, auto);
  max-width: none;
  height: var(--chat-expanded-height, auto);
  max-height: none;
  border-radius: 14px;
}

.app-shell:has(.workspace.artifact-mode) .chat-toggle,
.app-shell:has(.workspace.artifact-mode) .chat-window {
  display: none;
}

.chat-header {
  padding: 12px 12px 11px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--chat-custom-bg, var(--surface-3)) 36%, transparent),
    color-mix(in srgb, var(--chat-custom-bg, var(--surface-2)) 64%, transparent)
  );
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-avatar-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in srgb, var(--accent) 58%, transparent);
  background: color-mix(in srgb, var(--accent-glow) 68%, transparent);
  padding: 6px;
  object-fit: contain;
  color: var(--accent-dark);
  font-size: 22px;
}

.chat-avatar-icon.icon-svg.icon-mask {
  width: 22px;
  height: 22px;
}

.chat-header-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-strong);
}

.chat-header-subtitle {
  margin-top: 2px;
  font-size: 11px;
  color: var(--muted);
}

.chat-header-subtitle .chat-provider-label {
  margin-left: 0;
  color: var(--muted-2);
  font: inherit;
  white-space: nowrap;
}

.chat-activity {
  display: grid;
  gap: 7px;
  padding: 8px 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  background: color-mix(in srgb, var(--surface-2) 62%, transparent);
  color: var(--muted);
  font: 600 11px/1.3 var(--font-ui);
}

.chat-activity-row {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.chat-activity-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--muted-2);
}

.chat-activity.is-busy .chat-activity-dot {
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-glow) 62%, transparent);
  animation: chat-activity-pulse 1.4s ease-in-out infinite;
}

.chat-progress {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--border) 64%, transparent);
  opacity: 0.45;
}

.chat-activity.is-busy .chat-progress {
  opacity: 1;
}

.chat-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent-light));
  transition: width 0.28s ease;
}

.chat-activity.is-busy .chat-progress span.is-indeterminate {
  width: 42%;
  animation: chat-progress-indeterminate 1.25s ease-in-out infinite;
}

@keyframes chat-activity-pulse {
  50% {
    opacity: 0.55;
  }
}

@keyframes chat-progress-indeterminate {
  from {
    transform: translateX(-110%);
  }
  to {
    transform: translateX(260%);
  }
}

.chat-provider-label {
  margin-left: 8px;
  color: var(--muted-2);
  font: 500 10px/1.2 var(--font-ui);
  white-space: nowrap;
}

.chat-workflow-badge {
  margin-left: auto;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent-dark);
  font: 600 10px/1.2 var(--font-ui);
  white-space: nowrap;
}

.chat-activity-history {
  margin: 0;
  padding: 0 0 0 14px;
  color: var(--muted-2);
  font: 500 10px/1.35 var(--font-ui);
}

.chat-activity-history li + li {
  margin-top: 2px;
}

.chat-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.btn-icon-xs.chat-header-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  font-size: 18px;
  letter-spacing: 0;
  text-transform: none;
  border: none;
  background: transparent;
}

.btn-icon-xs.chat-header-icon-btn:hover {
  background: color-mix(in srgb, var(--surface-high) 70%, transparent);
  border: none;
}

.chat-header-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  display: block;
  color: inherit;
}

.chat-header-icon.icon-svg.icon-mask {
  width: 18px;
  height: 18px;
}

.chat-history-panel {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  background: color-mix(in srgb, var(--chat-custom-bg, var(--surface-2)) 94%, var(--surface) 6%);
  backdrop-filter: var(--glass-pane-blur);
  -webkit-backdrop-filter: var(--glass-pane-blur);
  animation: chat-history-in 0.18s ease-out;
}

.chat-history-panel.hidden {
  display: none;
}

@keyframes chat-history-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-history-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--chat-custom-bg, var(--surface-3)) 36%, transparent),
    color-mix(in srgb, var(--chat-custom-bg, var(--surface-2)) 64%, transparent)
  );
}

.chat-history-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-strong);
}

.chat-history-subtitle {
  margin-top: 2px;
  font-size: 11px;
  color: var(--muted);
}

.chat-history-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 10px;
  display: grid;
  align-content: start;
  grid-auto-rows: max-content;
  gap: 8px;
}

.chat-history-empty {
  text-align: center;
  padding: 28px 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.chat-history-item {
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 11px 12px;
  min-height: 78px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border) 76%, transparent);
  background: color-mix(in srgb, var(--surface-3) 82%, transparent);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition:
    border-color var(--transition),
    background var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.chat-history-item:hover {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  background: color-mix(in srgb, var(--accent-glow) 36%, var(--surface-3));
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.chat-history-item.is-active {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--border));
  background: color-mix(in srgb, var(--accent-glow) 52%, var(--surface-3));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 24%, transparent);
}

.chat-history-item-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-strong);
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-history-item-preview {
  font-size: 11px;
  line-height: 1.45;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.chat-history-item-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 2px;
  font-size: 10px;
  color: var(--muted-2);
}

.chat-history-item-count {
  padding: 1px 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-high) 70%, transparent);
  color: var(--muted);
  font-weight: 600;
}

.btn-icon-xs.chat-expand-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  font-size: 18px;
  letter-spacing: 0;
  text-transform: none;
  border: none;
  background: transparent;
}

.btn-icon-xs.chat-expand-btn:hover {
  background: color-mix(in srgb, var(--surface-high) 70%, transparent);
  border: none;
}

.chat-expand-icon.icon-svg.icon-mask {
  width: 18px;
  height: 18px;
}

.chat-messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  background: color-mix(in srgb, var(--chat-custom-bg, var(--surface-contrast)) 32%, transparent);
  scroll-behavior: smooth;
}

.chat-welcome {
  text-align: center;
  padding: 22px 14px;
}

.chat-welcome-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: color-mix(in srgb, var(--accent-glow) 70%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 52%, transparent);
  padding: 7px;
  color: var(--accent-dark);
  font-size: 26px;
}

.chat-welcome-icon.icon-svg.icon-mask {
  width: 26px;
  height: 26px;
}

.chat-welcome-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 5px;
}

.chat-welcome-text {
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted);
}

.chat-msg {
  display: flex;
  gap: 8px;
  animation: chat-in 0.16s ease-out;
}

@keyframes chat-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-msg.user {
  flex-direction: row-reverse;
  padding-left: 32px;
}

.chat-msg.assistant[data-chat-kind="message"] {
  display: block;
}

.chat-msg-bubble {
  max-width: 100%;
  padding: 9px 12px;
  border-radius: 11px;
  font-size: 12px;
  line-height: 1.55;
  text-align: start;
  unicode-bidi: plaintext;
  word-break: break-word;
  white-space: pre-wrap;
}

.chat-msg.user .chat-msg-bubble {
  border-radius: 13px 13px 5px;
  border: 1px solid color-mix(in srgb, var(--accent-light) 36%, transparent);
  color: #000000;
  background: color-mix(in srgb, var(--accent) 24%, #f0f6ff 76%);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--accent-glow) 54%, transparent);
}

.chat-msg.assistant .chat-msg-bubble {
  flex: 1;
  max-width: 100%;
  padding: 2px 4px 12px;
  border-radius: 0;
  color: var(--text);
  background: transparent;
  border: none;
}

.chat-msg.assistant[data-chat-kind="message"] .chat-msg-bubble {
  display: block;
}

.chat-msg.assistant[data-chat-kind="message"]::after {
  content: "";
  display: block;
  clear: both;
}

.chat-msg.assistant[data-chat-kind="thinking"],
.chat-msg.assistant[data-chat-kind="thinking-summary"] {
  display: block;
}

.chat-thinking-bubble {
  padding: 10px 12px !important;
  border-radius: 10px !important;
  background: color-mix(in srgb, var(--surface-3) 72%, transparent) !important;
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent) !important;
}

.chat-thinking-live .chat-thinking-bubble {
  border-color: color-mix(in srgb, var(--accent) 34%, var(--border)) !important;
}

.chat-thinking-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 7px;
  color: var(--text-strong);
  font: 600 12px/1.3 var(--font-ui);
}

.chat-thinking-cancel {
  display: none !important;
}

.chat-thinking-spinner {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--accent) 24%, transparent);
  border-top-color: var(--accent);
  animation: chat-thinking-spin 0.8s linear infinite;
}

@keyframes chat-thinking-spin {
  to {
    transform: rotate(360deg);
  }
}

.chat-thinking-status {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  min-width: 0;
  color: var(--muted);
  font: 500 11px/1.45 var(--font-ui);
}

.chat-thinking-step-stage {
  color: var(--text-strong);
  font-weight: 650;
  white-space: nowrap;
}

.chat-thinking-step-detail {
  color: var(--muted);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-thinking-progress {
  min-width: 42px;
  padding: 2px 6px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent-dark);
  font: 650 10px/1.2 var(--font-ui);
  text-align: center;
  white-space: nowrap;
}

.chat-thinking-summary {
  color: var(--muted-2);
  font: 500 11px/1.45 var(--font-ui);
  user-select: none;
}

.chat-proposal-card {
  display: grid;
  gap: 10px;
}

.chat-proposal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.chat-proposal-risk {
  flex: 0 0 auto;
  padding: 2px 8px;
  border-radius: 999px;
  font: 600 10px/1.3 var(--font-ui);
  white-space: nowrap;
}

.chat-proposal-risk-low {
  background: color-mix(in srgb, #3ecf8e 18%, transparent);
  color: #1f8f62;
}

.chat-proposal-risk-medium {
  background: color-mix(in srgb, #f5a524 20%, transparent);
  color: #9a6400;
}

.chat-proposal-risk-high {
  background: color-mix(in srgb, #ff6b6b 18%, transparent);
  color: #b42318;
}

.chat-proposal-intro {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.chat-proposal-changes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  color: var(--text);
}

.chat-proposal-changes li {
  position: relative;
  padding: 8px 10px 8px 24px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-contrast) 40%, transparent);
  border: 1px solid color-mix(in srgb, var(--border) 72%, transparent);
  font-size: 12px;
  line-height: 1.45;
}

.chat-proposal-changes li::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 13px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.chat-proposal-meta {
  color: var(--muted-2);
  font-size: 11px;
}

.chat-proposal-validation {
  padding: 8px 10px;
  border-radius: 8px;
  font: 600 11px/1.4 var(--font-ui);
}

.chat-proposal-validation.is-pass {
  background: color-mix(in srgb, #3ecf8e 14%, transparent);
  color: #1f8f62;
}

.chat-proposal-validation.is-fail {
  background: color-mix(in srgb, #ff6b6b 14%, transparent);
  color: #b42318;
}

.chat-proposal-issues {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 11px;
  display: grid;
  gap: 4px;
}

.chat-proposal-issues-more {
  color: var(--muted-2);
  font-style: italic;
}

.chat-proposal-citations {
  color: var(--muted);
  font-size: 11px;
}

.chat-proposal-citations ul {
  margin: 6px 0 0;
  padding-left: 18px;
}

.chat-proposal-btn {
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  border-radius: 7px;
  background: var(--surface-3);
  color: var(--text-strong);
  padding: 6px 10px;
  font: 600 11px/1.2 var(--font-ui);
  cursor: pointer;
}

.chat-proposal-btn-primary {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  background: color-mix(in srgb, var(--accent-glow) 72%, var(--surface-3));
}

.chat-proposal-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 2px;
}

.chat-proposal-actions button:disabled,
.chat-proposal-btn:disabled {
  cursor: wait;
  opacity: 0.55;
}

.chat-proposal-title {
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
}

.chat-proposal-decision {
  color: var(--muted);
  font-weight: 600;
}

.chat-msg.assistant[data-chat-kind="proposal"] .chat-msg-bubble,
.chat-msg.assistant[data-chat-kind="choice"] .chat-msg-bubble {
  max-width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--chat-assistant-bg);
  border: 1px solid var(--chat-assistant-border);
}

.chat-markdown {
  min-width: 0;
  font-size: 12px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.chat-markdown > :first-child {
  margin-top: 0;
}

.chat-markdown > :last-child {
  margin-bottom: 0;
}

.chat-markdown p,
.chat-markdown ul,
.chat-markdown ol,
.chat-markdown blockquote,
.chat-markdown pre,
.chat-markdown table {
  margin: 0 0 10px;
}

.chat-markdown h1,
.chat-markdown h2,
.chat-markdown h3,
.chat-markdown h4,
.chat-markdown h5,
.chat-markdown h6 {
  margin: 16px 0 7px;
  color: var(--text-strong);
  line-height: 1.3;
}

.chat-markdown h1 {
  font-size: 18px;
}

.chat-markdown h2 {
  font-size: 16px;
}

.chat-markdown h3,
.chat-markdown h4,
.chat-markdown h5,
.chat-markdown h6 {
  font-size: 13px;
}

.chat-markdown ul,
.chat-markdown ol {
  padding-left: 22px;
}

.chat-markdown li + li {
  margin-top: 4px;
}

.chat-markdown code {
  border-radius: 4px;
  background: color-mix(in srgb, var(--surface-high) 76%, transparent);
  color: var(--accent-light);
  padding: 1px 4px;
  font: 500 0.92em/1.5 monospace;
}

.chat-markdown pre {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-contrast) 78%, transparent);
  padding: 10px 12px;
}

.chat-markdown pre code {
  background: transparent;
  color: var(--text);
  padding: 0;
  white-space: pre;
}

.chat-markdown blockquote {
  border-left: 3px solid var(--accent);
  color: var(--muted);
  padding-left: 10px;
}

.chat-markdown a {
  color: var(--accent-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.chat-markdown hr {
  margin: 14px 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.chat-markdown table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 11px;
}

.chat-markdown th,
.chat-markdown td {
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  padding: 6px 8px;
  text-align: left;
  white-space: nowrap;
}

.chat-markdown th {
  background: color-mix(in srgb, var(--surface-high) 70%, transparent);
  color: var(--text-strong);
}

.chat-typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px 10px;
  background: color-mix(in srgb, var(--surface-2) 30%, transparent);
}

.chat-typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  animation: typing-dot 1.2s ease-in-out infinite;
}

.chat-typing span:nth-child(2) {
  animation-delay: 0.2s;
}

.chat-typing span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing-dot {
  0%,
  80%,
  100% {
    transform: translateY(0);
    opacity: 0.4;
  }
  40% {
    transform: translateY(-5px);
    opacity: 1;
  }
}

.chat-composer {
  display: flex;
  flex-direction: column;
  margin: 10px 12px 12px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  background: color-mix(in srgb, var(--input-bg) 92%, var(--surface-contrast) 8%);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--surface-high) 18%, transparent);
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.chat-composer:focus-within {
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border) 58%);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--surface-high) 18%, transparent),
    0 0 0 1px color-mix(in srgb, var(--accent-glow) 36%, transparent);
}

.chat-composer.chat-input-expanded {
  border-color: color-mix(in srgb, var(--accent) 48%, var(--border) 52%);
}

.chat-composer-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 12px 0;
}

.chat-composer-attachments.hidden {
  display: none;
}

.chat-attach-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition:
    color var(--transition),
    background var(--transition);
}

.chat-attach-icon.icon-svg.icon-mask {
  width: 16px;
  height: 16px;
}

.chat-attach-btn:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--surface-high) 70%, transparent);
}

.chat-attach-btn input {
  display: none;
}

.chat-file-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  max-width: min(100%, 260px);
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--border) 60%);
  background: color-mix(in srgb, var(--accent-glow) 42%, var(--surface-3) 58%);
  color: var(--accent-light);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 6px 4px 9px;
}

.chat-file-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-file-clear {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

.chat-file-clear:hover {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 12%, transparent);
}

.chat-durable-run {
  display: grid;
  gap: 8px;
}

.chat-durable-plan {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 11px;
}

.chat-durable-plan .is-completed {
  color: var(--success, #4caf50);
}

.chat-durable-plan .is-running,
.chat-durable-plan .is-executing {
  color: var(--accent-light);
}

.chat-durable-checkpoints {
  display: grid;
  gap: 5px;
}

.chat-durable-checkpoint {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 11px;
}

.chat-composer textarea {
  width: 100%;
  resize: none;
  min-height: 22px;
  max-height: 160px;
  border: none;
  background: transparent;
  color: var(--text);
  font: 500 13px/1.5 var(--font-ui);
  text-align: start;
  unicode-bidi: plaintext;
  padding: 12px 14px 8px;
  overflow-y: auto;
  transition:
    min-height var(--transition),
    padding var(--transition);
}

.chat-composer.chat-input-expanded textarea {
  min-height: 72px;
  padding-top: 14px;
}

.chat-composer textarea:focus {
  outline: none;
}

.chat-composer textarea::placeholder {
  color: var(--muted-2);
}

.chat-msg-streaming .chat-msg-bubble::after {
  content: "";
  display: inline-block;
  width: 0.45em;
  height: 1em;
  margin-left: 0.2em;
  vertical-align: -0.15em;
  background: currentColor;
  animation: chat-stream-caret 0.9s steps(1) infinite;
}

@keyframes chat-stream-caret {
  50% {
    opacity: 0;
  }
}

.chat-composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 2px 8px 8px;
}

.chat-model-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
  max-width: min(46%, 220px);
  margin-right: auto;
  padding: 5px 9px 5px 7px;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border) 76%);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-glow) 32%, var(--surface-3) 68%);
  color: var(--muted);
  font: 600 10px/1.1 var(--font-ui);
  white-space: nowrap;
}

.chat-model-badge.hidden {
  display: none;
}

.chat-model-badge-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent-light);
  font-size: 11px;
}

.chat-model-badge-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-send-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-left: auto;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--accent-light) 36%, transparent);
  background: color-mix(in srgb, var(--accent-light) 72%, #fff 28%);
  color: color-mix(in srgb, var(--accent-dark) 88%, #000 12%);
  cursor: pointer;
  transition:
    box-shadow var(--transition),
    transform var(--transition),
    filter var(--transition),
    opacity var(--transition);
}

.chat-send-icon.icon-svg.icon-mask {
  width: 15px;
  height: 15px;
}

.chat-send-btn .chat-send-icon--stop {
  display: none;
  width: 15px;
  height: 15px;
}

.chat-send-btn.is-stopping .chat-send-icon--send {
  display: none;
}

.chat-send-btn.is-stopping .chat-send-icon--stop {
  display: inline-flex;
}

.chat-send-btn:hover:not(:disabled) {
  box-shadow: 0 8px 18px color-mix(in srgb, var(--accent-glow) 72%, transparent);
  transform: translateY(-1px);
}

.chat-send-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.chat-send-btn.is-stopping:disabled {
  cursor: wait;
}

@media (max-width: 920px) {
  .chat-toggle {
    display: none;
  }

  .chat-window {
    right: 12px;
    left: 12px;
    bottom: calc(var(--mobile-dock-h, 0px) + 8px);
    z-index: 92;
    width: auto;
    max-width: none;
    height: min(460px, calc(100dvh - var(--topbar-h) - var(--mobile-dock-h, 0px) - 24px));
    max-height: min(68dvh, calc(100dvh - var(--topbar-h) - var(--mobile-dock-h, 0px) - 24px));
    border-radius: var(--radius-lg);
    border: var(--glass-pane-border);
    box-shadow: var(--shadow-lg);
  }

  .chat-window.chat-window-expanded {
    left: 8px;
    right: 8px;
    top: calc(var(--topbar-h) + 8px);
    bottom: calc(var(--mobile-dock-h, 0px) + 8px);
    width: auto;
    height: auto;
    max-height: none;
    border-radius: var(--radius-md);
  }

  .workspace.chat-open ~ .mobile-dock .mobile-dock-item[data-dock-action="chat"] {
    color: var(--accent-light);
  }
}

@media (max-width: 720px) {
  .chat-composer {
    margin-inline: 10px;
  }
}

@media (max-width: 560px) {
  .chat-toggle-label {
    display: none;
  }

  .chat-header {
    padding-inline: 10px;
  }

  .chat-msg.user {
    padding-left: 16px;
  }
}