@font-face {
  font-family: "Instrument Sans";
  src: url("/brand/fonts/instrument-sans-variable.woff2") format("woff2-variations");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Sans";
  src: url("/brand/fonts/instrument-sans-italic-variable.woff2") format("woff2-variations");
  font-style: italic;
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/brand/fonts/ibm-plex-mono-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("/brand/fonts/ibm-plex-mono-semibold.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  color-scheme: light;
  --canvas: #f5f0e8;
  --surface: #fffdf9;
  --surface-2: #ede5dc;
  --surface-3: #ded4ca;
  --surface-strong: #191716;
  --text-primary: #191716;
  --text-secondary: #403a36;
  --text-muted: #756b64;
  --text-on-accent: #ffffff;
  --border: #ded4ca;
  --border-strong: #b8aca2;
  --accent: #a84327;
  --accent-hover: #87331e;
  --accent-visual: #c45f36;
  --accent-readable: #87331e;
  --success: #1f6b4f;
  --warning: #7a5200;
  --danger: #a43838;
  --info: #315b72;
  --success-readable: #1f6b4f;
  --warning-readable: #7a5200;
  --danger-readable: #a43838;
  --info-readable: #315b72;
  --scrim: rgb(25 23 22 / 68%);
  --shadow: 0 18px 46px rgb(25 23 22 / 13%);
  --font-primary: "Instrument Sans", "Segoe UI", Arial, sans-serif;
  --font-utility: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --message-user-bg: var(--surface-strong);
  --message-user-text: var(--surface);
  --text-xs: 11px;
  --text-sm: 12px;
  --text-md: 14px;
  --text-chat: 15px;
  --text-lg: 16px;
  --text-xl: 18px;
  --text-heading: 20px;
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --app-viewport-height: 100dvh;
  --mobile-app-nav-height: 60px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #191716;
  --surface: #211f1d;
  --surface-2: #2b2724;
  --surface-3: #352f2b;
  --surface-strong: #fffdf9;
  --text-primary: #fffdf9;
  --text-secondary: #ded4ca;
  --text-muted: #c9bfb5;
  --border: #4b4540;
  --border-strong: #756b64;
  --accent-readable: #e38b63;
  --success-readable: #72b89a;
  --warning-readable: #d6a45b;
  --danger-readable: #e48b8b;
  --info-readable: #89aec2;
  --message-user-bg: var(--accent);
  --message-user-text: #ffffff;
  --scrim: rgb(0 0 0 / 76%);
  --shadow: 0 20px 54px rgb(0 0 0 / 34%);
}

* {
  box-sizing: border-box;
}

html {
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-primary);
  font-size: var(--text-md);
  color: var(--text-primary);
  background: var(--canvas);
}

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

:root[data-theme="dark"] :where(a, button, input, select, textarea, summary):focus-visible {
  outline-color: #fffdf9;
  box-shadow: 0 0 0 2px var(--accent);
}

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

button {
  border: 0;
  cursor: pointer;
}

.auth-screen {
  height: 100dvh;
  display: grid;
  place-items: start center;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 24px;
}

.auth-card {
  width: min(440px, 100%);
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.auth-logo {
  width: 58px;
  height: 58px;
  object-fit: contain;
}

.auth-copy,
.auth-message,
.account-section p {
  color: var(--text-secondary);
}

.auth-tabs,
.account-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 22px 0;
}

.auth-tabs button,
.auth-tabs a,
.link-button {
  color: var(--text-secondary);
  background: transparent;
  padding: 8px 10px;
  text-decoration: none;
}

.auth-tabs button.active,
.auth-tabs a.active {
  color: var(--text-primary);
  border-bottom: 2px solid var(--accent-readable);
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-form label {
  display: grid;
  gap: 7px;
  color: var(--text-secondary);
}

.auth-form input {
  width: 100%;
  padding: 11px 12px;
  color: var(--text-primary);
  background: var(--canvas);
  border: 1px solid var(--border);
  border-radius: 9px;
}

.auth-form .auth-check {
  display: flex;
  align-items: center;
}

.auth-form .auth-check input {
  width: auto;
}

.auth-legal-acceptance {
  display: grid;
  gap: 10px;
  margin: 2px 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 9px;
}

.auth-legal-acceptance legend {
  padding: 0 5px;
  color: var(--text-primary);
  font-weight: 650;
}

.auth-legal-acceptance .auth-check {
  align-items: flex-start;
  line-height: 1.45;
}

.auth-legal-acceptance .auth-check input {
  margin-top: 3px;
}

.auth-legal-acceptance a {
  color: var(--accent-readable);
  text-underline-offset: 3px;
}

.auth-help {
  color: var(--text-secondary);
}

.auth-help summary {
  width: fit-content;
  cursor: pointer;
  font-weight: 650;
}

.auth-help[open] {
  display: grid;
  gap: 4px;
}

.auth-help .link-button {
  width: fit-content;
  padding-left: 0;
}

.account-section-heading h3,
.account-section-heading p {
  margin: 0;
}

.account-page-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.account-page-breadcrumbs span::before {
  content: "/";
  margin-right: 8px;
}

.account-page-breadcrumbs a,
.account-page-link {
  color: var(--accent-readable);
  font-weight: 700;
  text-decoration: none;
}

.account-page-breadcrumbs a:hover,
.account-page-link:hover {
  text-decoration: underline;
}

.account-page {
  display: grid;
  gap: 16px;
}

.account-page[hidden],
[data-account-page][hidden] {
  display: none !important;
}

.account-link-card {
  min-height: 104px;
}

.account-page-link {
  white-space: nowrap;
}

.account-page-link.danger-text {
  color: var(--danger-readable);
}

.account-section {
  display: grid;
  gap: 16px;
  padding: 18px;
  background: color-mix(in srgb, var(--surface-2) 60%, transparent);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.account-section-heading {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
}

.account-section-heading h3 {
  font-size: var(--text-lg);
}

.account-section-heading p {
  margin-top: 5px;
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.45;
}

.account-overview {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.account-overview .account-section-heading {
  grid-column: 1;
}

.account-actions {
  grid-column: 2;
  justify-content: flex-end;
  margin: 0;
}

.account-actions button {
  white-space: nowrap;
}

.account-session-list {
  display: grid;
}

.session-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.session-row:first-child {
  padding-top: 2px;
}

.session-row:last-child {
  padding-bottom: 2px;
  border-bottom: 0;
}

.session-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.session-title {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.session-current {
  padding: 3px 7px;
  color: var(--info-readable);
  background: color-mix(in srgb, var(--info-readable) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-readable) 28%, transparent);
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 700;
}

.session-row small {
  color: var(--text-muted);
}

.session-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.account-password-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.account-form-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
}

.account-form-actions button {
  width: auto;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
}

.account-check {
  display: grid !important;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px !important;
}

.account-check input {
  width: auto;
  margin-top: 3px;
}

.account-consequences ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding-left: 22px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.account-form > label,
.account-password-fields label {
  display: grid;
  gap: 7px;
  color: var(--text-secondary);
}

.account-form input {
  width: 100%;
  padding: 11px 12px;
  color: var(--text-primary);
  background: var(--canvas);
  border: 1px solid var(--border);
  border-radius: 9px;
}

.account-danger {
  border-color: color-mix(in srgb, var(--danger-readable) 32%, transparent);
  background: color-mix(in srgb, var(--danger-readable) 8%, transparent);
}

.account-danger .eyebrow {
  margin: 0 0 5px;
  color: var(--danger-readable);
}

.danger-zone {
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  border-color: color-mix(in srgb, var(--danger-readable) 32%, transparent);
}

.danger-zone .eyebrow {
  margin: 0 0 5px;
  color: var(--danger-readable);
}

.account-message {
  min-height: 0;
  margin: 0;
  text-align: center;
}

.app-shell {
  --sidebar-width: 268px;
  --sidebar-collapsed-width: 80px;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  height: 100vh;
  height: var(--app-viewport-height, 100dvh);
  min-height: 0;
  overflow: hidden;
  transition: grid-template-columns 180ms ease;
}

.mobile-app-nav,
.mobile-drawer-scrim {
  display: none;
}

.app-shell.sidebar-collapsed {
  grid-template-columns: var(--sidebar-collapsed-width) minmax(0, 1fr);
}

.app-shell.sidebar-collapsed .sidebar {
  grid-template-rows: auto auto auto minmax(0, 1fr);
  row-gap: 16px;
  padding: 18px 15px;
  border-right: 1px solid var(--border);
  overflow: hidden;
}

.app-shell.sidebar-collapsed .sidebar-resize-handle {
  display: none;
}

.app-shell.sidebar-collapsed .brand {
  display: grid;
  justify-items: center;
  gap: 12px;
  margin: 0;
}

.app-shell.sidebar-collapsed .brand-new-chat {
  flex: none;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 5px;
}

.app-shell.sidebar-collapsed .brand-copy,
.app-shell.sidebar-collapsed .new-chat span,
.app-shell.sidebar-collapsed .nav-item > span:last-child,
.app-shell.sidebar-collapsed .history-list {
  display: none;
}

.app-shell.sidebar-collapsed .brand .icon-button {
  width: 44px;
  height: 44px;
  margin: 0;
}

.app-shell.sidebar-collapsed .new-chat,
.app-shell.sidebar-collapsed .history-search,
.app-shell.sidebar-collapsed .nav-item {
  width: 48px;
  min-width: 48px;
}

.app-shell.sidebar-collapsed .new-chat,
.app-shell.sidebar-collapsed .nav-item {
  justify-content: center;
  height: 48px;
  padding: 0;
  text-align: center;
}

.app-shell.sidebar-collapsed .history-search {
  height: 48px;
}

.app-shell.sidebar-collapsed .history-search .ui-icon {
  left: 15px;
}

.app-shell.sidebar-collapsed .history-search input {
  width: 48px;
  height: 48px;
  padding: 0;
  color: transparent;
  caret-color: transparent;
  cursor: pointer;
}

.app-shell.sidebar-collapsed .history-search input::placeholder {
  color: transparent;
}

.app-shell.sidebar-collapsed .status-stack {
  grid-row: 4;
  align-self: stretch;
  min-height: 0;
  height: 100%;
  padding-top: 0;
  border-top: 0;
}

.app-shell.sidebar-collapsed .nav-list {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 10px;
}

.app-shell.sidebar-collapsed .nav-item[data-view="settings"] {
  margin-top: auto;
}

.sidebar {
  position: relative;
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  row-gap: 18px;
  padding: 24px;
  color: var(--text-primary);
  background: var(--surface);
  border-right: 1px solid var(--border);
  min-height: 0;
  overflow: hidden;
}

.resize-handle {
  position: relative;
  z-index: 35;
  flex: 0 0 auto;
  touch-action: none;
  user-select: none;
}

.resize-handle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2px;
  height: 42px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-muted) 0%, transparent);
  transform: translate(-50%, -50%);
  transition: background 140ms ease, box-shadow 140ms ease;
}

.resize-handle:hover::after,
.resize-handle:focus-visible::after,
body.is-resizing .resize-handle::after {
  background: color-mix(in srgb, var(--accent-readable) 72%, transparent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-readable) 12%, transparent);
}

.sidebar-resize-handle {
  position: absolute;
  top: 0;
  right: -5px;
  bottom: 0;
  width: 10px;
  cursor: col-resize;
}

.sidebar .brand {
  margin-bottom: 10px;
}

.history-search {
  margin-top: -4px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
  align-content: center;
}

.mark {
  width: 58px;
  height: 58px;
  object-fit: contain;
  display: block;
}

.brand-new-chat {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  align-items: center;
  gap: 8px;
  padding: 3px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: inherit;
  background: transparent;
  font: inherit;
  text-align: left;
}

.brand-new-chat:hover {
  border-color: color-mix(in srgb, var(--accent-readable) 42%, transparent);
  background: color-mix(in srgb, var(--accent-readable) 8%, transparent);
}

.brand-new-chat:focus-visible {
  outline: 2px solid var(--accent-readable);
  outline-offset: 2px;
}

.icon-button {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  background: color-mix(in srgb, var(--surface-2) 72%, transparent);
  font-weight: 700;
}

.icon-button:hover {
  color: #fff;
  border-color: color-mix(in srgb, var(--accent-readable) 52%, transparent);
}

.small-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid color-mix(in srgb, var(--accent-readable) 38%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent-readable) 16%, transparent);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: 700;
}

.small-button:hover {
  border-color: color-mix(in srgb, var(--accent-readable) 70%, transparent);
  background: color-mix(in srgb, var(--accent-readable) 24%, transparent);
}

.brand .icon-button {
  margin-left: auto;
}

.hidden {
  display: none !important;
}

[hidden] {
  display: none !important;
}

html:not([data-development-controls="true"]) [data-development-only] {
  display: none !important;
}

html[data-development-controls="true"] [data-standard-only] {
  display: none !important;
}

.standard-model-label strong {
  font-size: 0.95rem;
}

.brand-title,
.brand-copy > span:last-child,
.panel-heading h2,
.section-title h2 {
  margin: 0;
}

.brand-title {
  font-size: var(--text-heading);
  font-weight: 780;
  line-height: 1.08;
  white-space: nowrap;
}

.brand-copy > span:last-child,
.section-title span {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.25;
}

.nav-list {
  display: grid;
  gap: 8px;
}

.new-chat {
  height: 42px;
  border: 1px solid color-mix(in srgb, var(--accent-readable) 32%, transparent);
  border-radius: 8px;
  color: var(--text-primary);
  background: color-mix(in srgb, var(--accent-readable) 12%, transparent);
  font-size: var(--text-md);
  font-weight: 720;
  text-align: left;
  padding: 0 14px;
}

.new-chat:hover {
  background: color-mix(in srgb, var(--accent-readable) 20%, transparent);
}

.history-search input {
  height: 38px;
  font-size: var(--text-sm);
}

.history-list {
  display: grid;
  align-content: start;
  gap: 16px;
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.history-empty {
  color: var(--text-muted);
  font-size: var(--text-sm);
  padding: 8px 2px;
}

.history-group {
  display: grid;
  gap: 6px;
}

.history-group h2 {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
}

.history-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 30px;
  align-items: center;
  position: relative;
  border-radius: 8px;
  background: transparent;
}

.history-item.editing {
  grid-template-columns: minmax(0, 1fr);
}

.history-item.active,
.history-item:hover {
  background: color-mix(in srgb, var(--accent-readable) 10%, transparent);
}

.history-open {
  display: grid;
  gap: 3px;
  min-width: 0;
  padding: 9px 10px;
  color: var(--text-secondary);
  text-align: left;
  background: transparent;
}

.history-open span,
.history-open small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-open span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-sm);
  font-weight: 650;
}

.history-open span b {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-status {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-muted) 50%, transparent);
}

.history-item.run-running .history-status,
.history-item.run-queued .history-status,
.history-item.run-canceling .history-status {
  background: var(--accent-readable);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-readable) 12%, transparent);
  animation: pulseDots 1s infinite ease-in-out;
}

.history-item.run-waiting_approval .history-status {
  background: var(--warning-readable);
}

.history-item.run-failed .history-status {
  background: var(--danger-readable);
}

.history-item.run-complete .history-status {
  background: var(--success-readable);
}

.history-item.pinned .history-open span::after {
  content: "Pinned";
  flex: 0 0 auto;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.history-open small {
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: 500;
}

.history-menu {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  color: var(--text-muted);
  background: transparent;
}

.history-menu:hover {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--text-muted) 14%, transparent);
}

.history-menu-wrap {
  position: relative;
}

.history-dropdown {
  position: absolute;
  z-index: 20;
  top: 32px;
  right: 0;
  display: grid;
  gap: 4px;
  width: 174px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 98%, transparent);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.38);
}

.history-dropdown button,
.history-inline-actions button {
  height: 30px;
  padding: 0 10px;
  border-radius: 7px;
  color: var(--text-secondary);
  background: transparent;
  text-align: left;
  font-size: var(--text-sm);
  font-weight: 650;
}

.history-dropdown button:hover,
.history-inline-actions button:hover {
  color: #fff;
  background: color-mix(in srgb, var(--text-muted) 14%, transparent);
}

.history-dropdown .danger-text,
.history-inline-actions .danger-text {
  color: var(--danger-readable);
}

.history-dropdown .danger-text:hover,
.history-inline-actions .danger-text:hover {
  background: color-mix(in srgb, var(--danger-readable) 16%, transparent);
}

.history-delete-confirm {
  padding: 5px 8px 2px;
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: 700;
}

.history-rename {
  display: grid;
  gap: 6px;
  padding: 8px;
}

.history-rename input {
  height: 32px;
  font-size: 12px;
}

.history-inline-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.history-inline-actions button {
  text-align: center;
}

.nav-item {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-align: left;
  background: transparent;
}

.nav-item.active,
.nav-item:hover {
  color: #fff;
  background: color-mix(in srgb, var(--accent-readable) 12%, transparent);
  box-shadow: inset 3px 0 0 var(--accent-readable);
}

.status-stack {
  display: grid;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.sidebar-legal,
.auth-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.sidebar-legal {
  margin-top: 14px;
  padding: 12px 14px 0;
  border-top: 1px solid var(--border);
}

.sidebar-legal a,
.auth-legal a {
  color: var(--text-muted);
  font-size: var(--text-xs);
  text-underline-offset: 3px;
}

.sidebar-legal a:hover,
.auth-legal a:hover {
  color: var(--accent-readable);
}

.auth-legal {
  margin-top: 12px;
}

.app-shell.sidebar-collapsed .sidebar-legal {
  display: none;
}

.workspace {
  position: relative;
  --tool-panel-width: clamp(280px, 27vw, 380px);
  --resize-handle-width: 8px;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: color-mix(in srgb, var(--canvas) 55%, transparent);
}

.mobile-app-nav {
  min-width: 0;
}

.mobile-app-nav button {
  min-width: 0;
}

.topbar-shell {
  position: absolute;
  top: 0;
  right: calc(var(--tool-panel-width) + var(--resize-handle-width));
  left: 0;
  z-index: 40;
  display: grid;
  justify-items: center;
  height: 35px;
  padding: 7px 16px 0;
  pointer-events: none;
}

.topbar-pills {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  pointer-events: auto;
}

.topbar-trigger,
.usage-cost-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 154px;
  height: 28px;
  padding: 0 12px;
  border: 1px solid color-mix(in srgb, var(--text-muted) 22%, transparent);
  border-radius: 8px;
  color: var(--text-secondary);
  background: color-mix(in srgb, var(--surface-2) 90%, transparent);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
  font-size: var(--text-xs);
  font-weight: 720;
  letter-spacing: 0;
  pointer-events: auto;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    opacity 160ms ease,
    transform 160ms ease;
}

.usage-cost-badge {
  position: relative;
  min-width: 128px;
  cursor: default;
}

.topbar-trigger:hover,
.topbar-trigger:focus,
.usage-cost-badge:hover,
.usage-cost-badge:focus {
  color: #fff;
  border-color: color-mix(in srgb, var(--accent-readable) 48%, transparent);
  transform: translateY(-1px);
}

.topbar-trigger [aria-hidden="true"] {
  font-weight: 400;
}

.topbar {
  position: absolute;
  top: 35px;
  left: 50%;
  display: grid;
  grid-template-columns: minmax(160px, 220px) minmax(240px, 1fr) minmax(190px, 0.7fr) auto auto;
  gap: 12px;
  align-items: end;
  width: min(1180px, calc(100% - 32px));
  margin-top: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -10px);
  pointer-events: none;
  transition:
    opacity 160ms ease,
    transform 160ms ease,
    visibility 160ms ease;
}

.workspace:has(.chat-layout.tool-collapsed) .topbar-shell {
  right: 48px;
}

.workspace:not(:has(#chatView.active)) .topbar-shell,
.workspace:not([data-active-view="chat"]) .topbar-shell {
  right: 0;
}

.workspace:not([data-active-view="chat"]) .topbar-trigger,
.workspace:not([data-active-view="chat"]) .topbar {
  display: none;
}

.topbar-shell:has(.topbar-trigger:hover) .topbar,
.topbar-shell:has(.topbar-trigger:focus) .topbar,
.topbar:hover,
.topbar:focus-within {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

.usage-cost-details {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  z-index: 45;
  display: grid;
  gap: 10px;
  width: min(590px, calc(100vw - 32px));
  max-height: min(66dvh, 620px);
  overflow: auto;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  background: color-mix(in srgb, var(--surface) 98%, transparent);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.36);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.35;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -6px);
  pointer-events: none;
  transition:
    opacity 160ms ease,
    transform 160ms ease,
    visibility 160ms ease;
}

.usage-cost-badge:hover .usage-cost-details,
.usage-cost-badge:focus .usage-cost-details,
.usage-cost-badge:focus-within .usage-cost-details {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

.usage-panel-header,
.usage-panel-section,
.usage-panel-footer {
  min-width: 0;
}

.usage-panel-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.usage-panel-title,
.usage-panel-heading,
.usage-panel-activity-title {
  color: var(--text-primary);
}

.usage-panel-title {
  font-size: 13px;
}

.usage-panel-identity,
.usage-panel-meta,
.usage-panel-footer,
.usage-panel-note {
  color: var(--text-muted);
}

.usage-panel-identity,
.usage-panel-meta {
  overflow-wrap: anywhere;
  font-size: 11px;
  line-height: 1.35;
}

.usage-panel-totals,
.usage-panel-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--text-muted) 18%, transparent);
  border-radius: 7px;
  background: color-mix(in srgb, var(--text-muted) 12%, transparent);
}

.usage-panel-metric {
  min-width: 0;
  padding: 8px 9px;
  background: color-mix(in srgb, var(--surface-2) 70%, transparent);
}

.usage-panel-metric dt {
  margin-bottom: 3px;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.usage-panel-metric dd {
  margin: 0;
  overflow: hidden;
  color: var(--text-primary);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.usage-panel-section {
  display: grid;
  gap: 7px;
  padding-top: 10px;
  border-top: 1px solid color-mix(in srgb, var(--text-muted) 16%, transparent);
}

.usage-panel-heading {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.usage-panel-current .usage-panel-metrics,
.usage-panel-activity-metrics,
.usage-panel-savings .usage-panel-metrics {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.usage-panel-activity {
  gap: 0;
}

.usage-panel-activity-row {
  display: grid;
  grid-template-columns: minmax(100px, 0.85fr) minmax(0, 1fr) minmax(190px, 1.5fr) minmax(110px, 0.8fr);
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-top: 1px solid color-mix(in srgb, var(--text-muted) 12%, transparent);
}

.usage-panel-activity-row .usage-panel-metrics {
  grid-column: 3;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.usage-panel-activity-row > .usage-panel-meta:last-child {
  grid-column: 4;
}

.usage-panel-limit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 7px 0;
  border-top: 1px solid color-mix(in srgb, var(--text-muted) 12%, transparent);
}

.usage-panel-limit:first-of-type {
  border-top: 0;
}

.usage-panel-limit > div {
  display: grid;
  gap: 2px;
}

.usage-panel-value {
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.usage-panel-savings {
  border-color: color-mix(in srgb, var(--success-readable) 30%, transparent);
}

.usage-panel-note {
  margin: 0;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
}

.usage-panel-notes {
  padding-top: 9px;
  border-top: 1px solid color-mix(in srgb, var(--text-muted) 16%, transparent);
}

.usage-panel-notes summary {
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}

.usage-panel-notes[open] summary {
  margin-bottom: 7px;
}

.usage-panel-footer {
  font-size: 10px;
  font-weight: 650;
  text-align: right;
}

.topbar > .model-select:first-of-type {
  grid-column: auto;
}

.model-select {
  display: grid;
  gap: 6px;
}

label,
.model-select label {
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  background: color-mix(in srgb, var(--surface-2) 86%, transparent);
  outline: none;
}

.queued-messages {
  display: grid;
  gap: 7px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-2) 52%, transparent);
}

.queued-messages-heading {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

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

.queued-message-content {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-primary);
}

.queued-message-actions {
  display: flex;
  gap: 6px;
  flex: none;
}

.queued-message-actions button {
  height: 28px;
  padding: 0 9px;
  font-size: 12px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: color-mix(in srgb, var(--accent-readable) 74%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-readable) 14%, transparent);
}

input,
select {
  height: 40px;
  padding: 0 12px;
  font-size: var(--text-md);
}

textarea {
  min-height: 40px;
  resize: vertical;
  padding: 9px 12px;
  font-size: var(--text-md);
}

.primary,
.send {
  height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 18%, transparent);
  font-size: var(--text-md);
  font-weight: 700;
}

.ghost {
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  background: color-mix(in srgb, var(--surface-2) 78%, transparent);
  font-size: var(--text-md);
  font-weight: 650;
}

.ghost:hover,
.primary:hover,
.send:hover {
  filter: brightness(1.08);
}

.small {
  height: 32px;
  padding: 0 10px;
}

.danger {
  height: 40px;
  padding: 0 16px;
  border-radius: 8px;
  color: #fff;
  background: var(--danger);
  font-size: var(--text-md);
  font-weight: 700;
}

.tool-limit-row {
  display: grid;
  grid-template-columns: minmax(180px, 280px) auto;
  gap: 12px;
  align-items: end;
  margin-top: 12px;
}

.inline-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  color: var(--text-secondary);
}

.inline-toggle input {
  width: 16px;
  height: 16px;
}

.provider-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 500px), 1fr));
  gap: 16px;
}

.provider-card {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-2) 54%, transparent);
}

.provider-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.provider-card-header > div {
  min-width: 0;
}

.provider-card-header h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: var(--text-lg);
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.provider-card-header small {
  display: block;
  margin-top: 3px;
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.35;
}

.compact-grid {
  gap: 10px;
}

.provider-enable-row {
  align-self: end;
  flex: 0 0 auto;
}

.provider-enable-row input:disabled + span {
  color: var(--text-muted);
}

.provider-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.provider-test-status {
  flex: 1 1 100%;
  min-height: 20px;
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.35;
}

.provider-test-status.success {
  color: var(--success-readable);
}

.provider-test-status.error {
  color: var(--danger-readable);
}

.provider-test-status.running {
  color: var(--info-readable);
}

.view {
  display: none;
  min-height: 0;
  overflow: hidden;
}

.view.active {
  display: block;
}

#chatView.active {
  display: grid;
  min-height: 0;
}

.chat-layout {
  display: grid;
  position: relative;
  grid-template-columns: minmax(420px, 1fr) var(--resize-handle-width) var(--tool-panel-width);
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.chat-layout.tool-collapsed {
  grid-template-columns: minmax(0, 1fr) 48px;
}

.tool-resize-handle {
  grid-column: 2;
  grid-row: 1;
  width: var(--resize-handle-width);
  cursor: col-resize;
  background: color-mix(in srgb, var(--text-muted) 3%, transparent);
}

.tool-resize-handle:hover {
  background: color-mix(in srgb, var(--accent-readable) 8%, transparent);
}

.chat-layout.tool-collapsed .tool-resize-handle {
  display: none;
}

.chat-layout.tool-collapsed .tool-panel {
  display: none;
}

.tool-panel-expand {
  display: none;
  grid-column: 2;
  grid-row: 1;
  width: 48px;
  min-width: 0;
  min-height: 0;
  padding: 12px 8px;
  border: 0;
  border-left: 1px solid var(--border);
  border-radius: 0;
  color: var(--text-secondary);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.tool-panel-expand:not([hidden]) {
  display: flex;
}

.tool-panel-expand span {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: var(--text-sm);
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-panel-expand:hover,
.tool-panel-expand:focus-visible {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--accent-hover) 28%, transparent);
  outline: 2px solid var(--accent-readable);
  outline-offset: -3px;
}

.chat-main {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  min-width: 0;
  min-height: 0;
  padding-top: 34px;
  overflow: hidden;
}

.conversation-shell {
  grid-row: 1;
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.queued-messages {
  grid-row: 2;
}

.composer {
  grid-row: 3;
}

.context-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 30px;
  padding: 5px clamp(16px, 2.4vw, 28px);
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  font-size: var(--text-xs);
}

.context-status {
  white-space: nowrap;
}

.context-status[data-state="warning"],
.context-status[data-state="exceeds"] {
  color: var(--warning-readable);
}

.context-recovery {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-secondary);
}

.context-recovery[hidden] {
  display: none;
}

.context-recovery > div:first-child {
  display: grid;
  gap: 2px;
}

.context-recovery-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.workspace:not(:has(#chatView.active)) .view.active {
  padding-top: 34px;
}

.conversation {
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
  overflow: auto;
  min-height: 0;
  padding: clamp(16px, 2.4vw, 28px);
}

.jump-to-latest {
  position: absolute;
  z-index: 4;
  right: clamp(12px, 2vw, 20px);
  bottom: clamp(12px, 2vw, 20px);
  box-sizing: border-box;
  width: max-content;
  max-width: calc(100% - 24px);
  min-height: 38px;
  margin: 0;
  padding: 7px 13px;
  border: 1px solid color-mix(in srgb, var(--accent-readable) 58%, transparent);
  border-radius: 999px;
  color: var(--text-primary);
  background: color-mix(in srgb, var(--surface-2) 96%, transparent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.36);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 700;
}

.jump-to-latest:hover,
.jump-to-latest:focus-visible {
  border-color: var(--accent-readable);
  background: color-mix(in srgb, var(--info) 98%, transparent);
}

.load-earlier-messages {
  align-self: center;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text-secondary);
  padding: 7px 11px;
  font: inherit;
  font-size: var(--text-sm);
  cursor: pointer;
}

.load-earlier-messages:hover {
  border-color: var(--accent-readable);
  color: var(--text-primary);
}

.empty-state {
  margin: auto;
  max-width: 620px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--accent-readable);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.empty-state h2 {
  margin: 0 0 10px;
  font-size: 30px;
  font-weight: 760;
}

.empty-state p {
  margin: 0;
  color: var(--text-muted);
}

.message {
  max-width: min(760px, 92%);
  padding: 14px 16px;
  border-radius: 8px;
  font-size: var(--text-chat);
  line-height: 1.55;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
  white-space: pre-wrap;
}

.message.thinking {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-secondary);
}

.message.thinking::after {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-readable);
  box-shadow: 9px 0 0 var(--accent-readable), 18px 0 0 var(--accent-readable);
  animation: pulseDots 1s infinite ease-in-out;
}

@keyframes pulseDots {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 1;
  }
}

.message :where(p, ul, ol, pre) {
  margin: 0 0 10px;
}

.message :where(p, ul, ol, pre, table, h1, h2, h3):last-child {
  margin-bottom: 0;
}

.message :where(h1, h2, h3) {
  margin: 14px 0 8px;
  line-height: 1.22;
  letter-spacing: 0;
}

.message h1 {
  font-size: 22px;
  font-weight: 760;
}

.message h2 {
  font-size: 20px;
  font-weight: 740;
}

.message h3 {
  font-size: 17px;
  font-weight: 720;
}

.message strong {
  font-weight: 720;
}

.message table {
  display: block;
  width: 100%;
  margin: 0 0 12px;
  overflow-x: auto;
  border-collapse: collapse;
  white-space: normal;
}

.message th,
.message td {
  padding: 7px 9px;
  border: 1px solid color-mix(in srgb, var(--text-muted) 28%, transparent);
  font-size: var(--text-md);
  text-align: left;
  vertical-align: top;
}

.message th {
  background: color-mix(in srgb, var(--accent-readable) 12%, transparent);
  color: var(--text-primary);
  font-weight: 700;
}

.message tr:nth-child(even) td {
  background: color-mix(in srgb, var(--surface-2) 42%, transparent);
}

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

.message code {
  padding: 2px 5px;
  border-radius: 5px;
  background: color-mix(in srgb, var(--accent-readable) 12%, transparent);
  color: var(--info-readable);
}

.message pre code {
  display: block;
  padding: 0;
  background: transparent;
}

.message a {
  color: var(--accent-readable);
}

.message-actions {
  display: flex;
  gap: 6px;
  height: 0;
  margin-top: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition:
    height 0.15s ease,
    margin-top 0.15s ease,
    opacity 0.15s ease;
}

.message:hover .message-actions,
.message:focus-within .message-actions {
  height: 24px;
  margin-top: 10px;
  overflow: visible;
  opacity: 1;
  pointer-events: auto;
}

.message-actions button {
  height: 24px;
  padding: 0 8px;
  border-radius: 6px;
  color: var(--text-muted);
  background: color-mix(in srgb, var(--text-muted) 10%, transparent);
  font-size: 10px;
  font-weight: 700;
}

.message-actions button:hover {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--text-muted) 18%, transparent);
}

.message.user {
  align-self: flex-end;
  color: var(--message-user-text);
  background: var(--message-user-bg);
}

.message.assistant {
  align-self: flex-start;
  background: color-mix(in srgb, var(--surface-2) 92%, transparent);
  border: 1px solid var(--border);
  white-space: normal;
}

.tool-panel {
  display: grid;
  grid-template-rows: auto auto auto auto minmax(0, 1fr);
  border-left: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 72%, transparent);
  min-height: 0;
  overflow: hidden;
}

.tool-activity-filters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 12px 14px 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--text-muted) 10%, transparent);
}

.tool-activity-filters label {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.tool-activity-filters select,
.tool-activity-filters input {
  min-width: 0;
  height: 34px;
  padding: 0 9px;
  font: inherit;
  font-size: var(--text-sm);
}

.tool-activity-search {
  grid-column: 1 / -1;
}

.tool-activity-filter-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 32px;
  padding: 6px 14px 2px;
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.filter-reset {
  border: 0;
  padding: 3px 0;
  color: var(--info-readable);
  background: transparent;
  font: inherit;
  font-weight: 700;
}

.filter-reset:hover,
.filter-reset:focus-visible {
  color: var(--text-primary);
  text-decoration: underline;
}

.tool-activity-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 0;
  padding: 4px 14px 2px;
}

.tool-activity-filter-chips:empty {
  display: none;
}

.tool-activity-filter-chip {
  max-width: 100%;
  padding: 4px 8px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent-readable) 35%, transparent);
  border-radius: 999px;
  color: var(--info-readable);
  background: color-mix(in srgb, var(--accent-readable) 9%, transparent);
  font: inherit;
  font-size: var(--text-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-activity-filter-chip:hover,
.tool-activity-filter-chip:focus-visible {
  border-color: color-mix(in srgb, var(--accent-readable) 72%, transparent);
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.tool-panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.panel-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex: 0 0 auto;
}

.panel-heading h2 {
  font-size: var(--text-lg);
  font-weight: 720;
  white-space: nowrap;
}

.trace {
  display: grid;
  align-content: start;
  gap: 10px;
  overflow: auto;
  min-height: 0;
  padding: 14px;
}

.trace-item {
  padding: 10px;
  border-left: 4px solid var(--accent-readable);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-2) 88%, transparent);
  font-size: var(--text-sm);
}

.trace-item.warn {
  border-left-color: var(--warning-readable);
}

.trace-item.error {
  border-left-color: var(--danger);
}

.trace-item.success {
  border-left-color: var(--success-readable);
}

.trace-item.running {
  border-left-color: var(--accent-readable);
  animation: glowTrace 1.2s infinite alternate;
}

.trace-item.status-success,
.trace-item.status-error,
.trace-item.status-approval,
.trace-item.status-authentication {
  animation: none;
}

.trace-item.status-proposed strong::after,
.trace-item.status-running strong::after {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-left: 8px;
  border-radius: 50%;
  background: var(--accent-readable);
  box-shadow: 10px 0 0 var(--accent-readable), 20px 0 0 var(--accent-readable);
  animation: pulseDots 1s infinite ease-in-out;
}

@keyframes glowTrace {
  from {
    box-shadow: none;
  }
  to {
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent-readable) 24%, transparent), 0 10px 26px color-mix(in srgb, var(--accent-readable) 10%, transparent);
  }
}

.trace-item strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
}

.trace-empty {
  margin: auto;
  max-width: 260px;
  padding: 24px 10px;
  color: var(--text-muted);
  text-align: center;
  font-size: var(--text-sm);
}

.composer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
  padding: 8px clamp(16px, 2.4vw, 28px);
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 90%, transparent);
}

.composer:has(.retry:not(.hidden)),
.composer:has(.stop:not(.hidden)) {
  grid-template-columns: auto minmax(0, 1fr) auto auto;
}

.composer:has(.retry:not(.hidden)):has(.stop:not(.hidden)) {
  grid-template-columns: auto minmax(0, 1fr) auto auto auto;
}

.mode-picker {
  position: relative;
  align-self: end;
}

.mode-menu-button {
  position: relative;
  width: 40px;
  height: 40px;
  min-height: 40px;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--text-muted) 26%, transparent);
  border-radius: 8px;
  color: var(--text-secondary);
  background: color-mix(in srgb, var(--surface-2) 82%, transparent);
}

.mode-menu-button:hover,
.mode-picker.open .mode-menu-button,
.mode-menu-button.active {
  color: var(--text-primary);
  border-color: color-mix(in srgb, var(--accent-readable) 38%, transparent);
  background: color-mix(in srgb, var(--accent-readable) 14%, transparent);
}

.mode-menu-button::before,
.mode-menu-button::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  transform: translate(-50%, -50%);
}

.mode-menu-button::before {
  width: 14px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.mode-menu-button::after {
  width: 2px;
  height: 14px;
  border-radius: 999px;
  background: currentColor;
}

.mode-menu-button[data-mode="research"]::before {
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-radius: 999px;
  background: transparent;
  transform: translate(-58%, -58%);
}

.mode-menu-button[data-mode="research"]::after {
  width: 7px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform: translate(10%, 92%) rotate(-45deg);
  transform-origin: left center;
}

.mode-menu-button[data-mode="quick"]::before {
  width: 11px;
  height: 18px;
  background: currentColor;
  clip-path: polygon(56% 0, 8% 54%, 45% 54%, 30% 100%, 92% 39%, 55% 39%);
}

.mode-menu-button[data-mode="quick"]::after {
  display: none;
}

.mode-menu {
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  z-index: 20;
  width: 220px;
  padding: 6px;
  border: 1px solid color-mix(in srgb, var(--text-muted) 24%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 98%, transparent);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.36);
}

.mode-menu button {
  display: grid;
  width: 100%;
  gap: 2px;
  padding: 9px 10px;
  border-radius: 6px;
  color: var(--text-muted);
  background: transparent;
  text-align: left;
}

.mode-menu button strong {
  color: var(--text-primary);
  font-size: var(--text-sm);
}

.mode-menu button span {
  font-size: var(--text-xs);
}

.mode-menu button:hover,
.mode-menu button.active {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--accent-readable) 12%, transparent);
}

.mode-menu button.active {
  box-shadow: inset 3px 0 0 var(--accent-readable);
}

.tool-safety-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid color-mix(in srgb, var(--accent-readable) 34%, transparent);
  border-radius: 999px;
  color: var(--info-readable);
  background: color-mix(in srgb, var(--accent-readable) 11%, transparent);
  font-size: var(--text-xs);
  font-weight: 740;
  line-height: 1;
  white-space: nowrap;
  flex: 0 1 auto;
}

.tool-safety-badge[data-mode="account-changing"] {
  border-color: color-mix(in srgb, var(--success-readable) 32%, transparent);
  color: var(--success-readable);
  background: color-mix(in srgb, var(--success-readable) 10%, transparent);
}

.tool-safety-badge[data-mode="auto"] {
  border-color: color-mix(in srgb, var(--warning-readable) 38%, transparent);
  color: var(--warning-readable);
  background: color-mix(in srgb, var(--warning-readable) 12%, transparent);
}

.composer .send {
  height: 40px;
  min-height: 40px;
  align-self: end;
  padding: 0 14px;
}

.composer .stop,
.composer .retry {
  align-self: end;
}

.composer textarea {
  max-height: 140px;
}

.settings-view.active {
  display: block;
  min-height: 0;
  overflow: auto;
  padding: 32px 32px 48px;
}

.settings-page-header {
  max-width: 1180px;
  margin: 0 auto 20px;
}

.settings-page-header h1 {
  margin: 4px 0 6px;
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.1;
}

.settings-page-header p {
  max-width: 680px;
  margin: 0;
  color: var(--text-muted);
  line-height: 1.5;
}

.settings-form {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  max-width: 1180px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 78%, transparent);
  box-shadow: var(--shadow);
  overflow: clip;
}

.settings-tabs {
  position: sticky;
  top: 24px;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-self: start;
  gap: 6px;
  padding: 18px;
  border-right: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-2) 64%, transparent);
}

.settings-mobile-selector {
  display: none;
}

.settings-tab {
  display: grid;
  gap: 3px;
  width: 100%;
  min-width: 0;
  min-height: 58px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  text-align: left;
  background: color-mix(in srgb, var(--surface-2) 78%, transparent);
}

.settings-tab strong {
  color: inherit;
  font-size: var(--text-sm);
  font-weight: 760;
}

.settings-tab small {
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: 500;
  line-height: 1.3;
}

.settings-tab.active small {
  color: color-mix(in srgb, var(--accent-readable) 76%, var(--text-muted));
}

.settings-tab:hover,
.settings-tab.active {
  color: #fff;
  border-color: color-mix(in srgb, var(--accent-readable) 58%, transparent);
  background: color-mix(in srgb, var(--info) 68%, transparent);
}

.settings-tab.error {
  border-color: color-mix(in srgb, var(--danger-readable) 78%, transparent);
  color: var(--danger-readable);
}

.settings-content {
  min-width: 0;
  padding: 24px 28px 32px;
}

.settings-tab-panel {
  display: grid;
  gap: 22px;
  max-width: 820px;
}

.settings-tab-panel[hidden] {
  display: none;
}

.settings-tab-message {
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--danger-readable) 54%, transparent);
  border-radius: 8px;
  color: var(--danger-readable);
  background: color-mix(in srgb, var(--danger) 22%, transparent);
  font-size: var(--text-sm);
  line-height: 1.4;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}

.section-title.compact {
  margin-top: 4px;
}

.section-title h2 {
  font-size: var(--text-heading);
  font-weight: 740;
}

.section-title span {
  color: var(--text-muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 14px;
}

.form-grid label {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.provider-card .form-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 12px;
}

.provider-card[data-kind="openai-compatible"] .form-grid,
.provider-card[data-kind="ollama"] .form-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.provider-card .form-grid input,
.provider-card .form-grid select {
  min-width: 0;
}

.provider-card .toggle-row {
  display: grid;
  gap: 8px;
}

.provider-card .toggle-row label {
  align-items: center;
}

.provider-card .toggle-row small {
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.toggle-row label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.toggle-row input {
  width: 18px;
  height: 18px;
}

.toggle-row small {
  flex-basis: 100%;
  color: var(--text-muted);
}

.setting-warning-icon {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid color-mix(in srgb, var(--warning-readable) 75%, transparent);
  border-radius: 999px;
  color: var(--warning-readable);
  background: color-mix(in srgb, var(--warning-readable) 12%, transparent);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
}

.setting-note {
  margin: 8px 0 0;
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.45;
}

.notification-setting {
  display: grid;
  gap: 8px;
}

.notification-setting-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.notification-setting-actions .setting-note {
  margin: 0;
}

.copilot-login-status {
  display: grid;
  gap: 8px;
  flex-basis: 100%;
  max-width: 640px;
  padding: 12px;
  border: 1px solid color-mix(in srgb, var(--accent-readable) 28%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-2) 72%, transparent);
  color: var(--text-primary);
}

.copilot-login-status strong {
  width: fit-content;
  padding: 8px 12px;
  border: 1px solid color-mix(in srgb, var(--accent-readable) 36%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--canvas) 65%, transparent);
  font-size: 22px;
  line-height: 1;
  letter-spacing: 0;
  color: #fff;
}

.copilot-login-status a {
  color: var(--info-readable);
}

.copilot-login-status.warn {
  border-color: color-mix(in srgb, var(--warning-readable) 48%, transparent);
}

.copilot-login-status.running {
  border-color: color-mix(in srgb, var(--accent-readable) 52%, transparent);
}

.copilot-login-status.success {
  border-color: color-mix(in srgb, var(--success-readable) 52%, transparent);
}

.copilot-login-status.error {
  border-color: color-mix(in srgb, var(--danger-readable) 60%, transparent);
}

.safety-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(180px, 1fr));
  gap: 12px;
}

.safety-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  background: color-mix(in srgb, var(--surface-2) 72%, transparent);
}

.safety-option:has(input:checked) {
  border-color: color-mix(in srgb, var(--accent-readable) 68%, transparent);
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}

.safety-option input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.safety-option span {
  display: grid;
  gap: 4px;
}

.safety-option strong {
  font-size: var(--text-sm);
  font-weight: 700;
}

.safety-option small {
  color: var(--text-muted);
  line-height: 1.35;
}

.tool-manager {
  display: grid;
  gap: 12px;
  min-height: 0;
}

.tool-manager-controls {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.tool-filter-tabs {
  display: flex;
  gap: 8px;
  align-items: center;
}

.tool-filter {
  height: 34px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  background: color-mix(in srgb, var(--surface-2) 72%, transparent);
  font-size: var(--text-sm);
  font-weight: 650;
}

.tool-filter.active,
.tool-filter:hover {
  color: #fff;
  border-color: color-mix(in srgb, var(--accent-readable) 50%, transparent);
  background: color-mix(in srgb, var(--accent-readable) 14%, transparent);
}

.tool-settings-list {
  display: grid;
  gap: 10px;
  max-height: min(520px, 52dvh);
  overflow: auto;
  padding-right: 4px;
}

.tool-group {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-2) 58%, transparent);
}

.tool-group summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  cursor: pointer;
  list-style: none;
}

.tool-group summary::-webkit-details-marker {
  display: none;
}

.tool-group-title {
  display: grid;
  gap: 3px;
}

.tool-group-title strong {
  font-size: var(--text-md);
  font-weight: 700;
}

.tool-group-title span,
.tool-count {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.tool-list {
  display: grid;
  border-top: 1px solid var(--border);
}

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

.tool-row + .tool-row {
  border-top: 1px solid color-mix(in srgb, var(--text-muted) 12%, transparent);
}

.tool-row input,
.group-toggle input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.tool-row-body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.tool-row-body strong {
  overflow: hidden;
  font-size: var(--text-sm);
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-row-body span {
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.35;
}

.usage-progress-section {
  display: grid;
  gap: 12px;
}

.usage-progress-row {
  display: grid;
  gap: 6px;
}

.usage-progress-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.usage-progress-track {
  position: relative;
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-3);
}

.usage-progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  min-width: 2px;
  border-radius: inherit;
  background: var(--accent-readable);
}

.tool-row-title {
  width: fit-content;
  cursor: pointer;
}

.tool-technical-details {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.tool-technical-details summary {
  width: fit-content;
  cursor: pointer;
}

.tool-technical-details code {
  display: block;
  margin-top: 6px;
  overflow-wrap: anywhere;
}

.tool-technical-details p {
  margin: 5px 0 0;
  line-height: 1.4;
}

.group-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 650;
}

.tool-empty {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  background: color-mix(in srgb, var(--surface-2) 52%, transparent);
}

.danger-zone {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--danger-readable) 32%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--danger-readable) 8%, transparent);
}

.danger-zone strong {
  display: block;
  margin-bottom: 4px;
}

.danger-zone p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: 1.4;
}

.skill-manager {
  display: grid;
  gap: 14px;
}

.skill-manager-controls {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(150px, 220px) minmax(130px, 180px);
  gap: 10px;
}

.skill-settings-list {
  display: grid;
  gap: 12px;
}

.skill-card {
  display: grid;
  gap: 11px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 94%, var(--accent) 6%);
}

.skill-card.unavailable {
  border-style: dashed;
  opacity: .82;
}

.skill-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.skill-card h3,
.skill-card p {
  margin: 0;
}

.skill-card h3 {
  font-size: 1rem;
}

.skill-card-header p {
  margin-top: 5px;
  color: var(--text-muted);
  line-height: 1.45;
}

.skill-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-badges span {
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .75rem;
}

.skill-badges .warn {
  color: var(--warning-readable);
  border-color: color-mix(in srgb, var(--warning) 50%, var(--border));
}

.skill-card-controls {
  display: grid;
  grid-template-columns: minmax(140px, 190px) minmax(170px, 230px) max-content;
  align-items: end;
  gap: 10px;
}

.skill-card-controls label {
  display: grid;
  gap: 5px;
  color: var(--text-muted);
  font-size: .8rem;
}

.skill-unavailable {
  padding: 9px 11px;
  border-radius: 9px;
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  color: var(--danger);
}

.skill-details summary {
  cursor: pointer;
  color: var(--text-muted);
}

.skill-details dl {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr;
  gap: 7px 12px;
  margin: 12px 0 0;
  font-size: .82rem;
}

.skill-details dt {
  font-weight: 700;
}

.skill-details dd {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--text-muted);
}

/* Responsive contract: phone <= 760px, compact tablet/calendar <= 820px,
   intermediate shell <= 1040px, compact desktop <= 1220px. Short landscape
   uses the phone shell through 960px so every destination remains reachable. */
@media (max-width: 760px), (max-height: 520px) and (max-width: 960px) {
  .skill-manager-controls,
  .skill-card-controls {
    grid-template-columns: 1fr;
  }

  .skill-card-header {
    flex-direction: column;
  }

  .skill-details dl {
    grid-template-columns: 1fr;
  }
}

.actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.advanced-settings {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-2) 58%, transparent);
}

.advanced-settings > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px;
  cursor: pointer;
  list-style: none;
}

.advanced-settings > summary::-webkit-details-marker {
  display: none;
}

.advanced-settings > summary span:first-child {
  display: grid;
  gap: 3px;
}

.advanced-settings > summary small,
.advanced-settings-state,
.advanced-settings .form-grid small {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.advanced-settings-state::before {
  content: "+ ";
}

.advanced-settings[open] .advanced-settings-state::before {
  content: "− ";
}

.advanced-settings-body {
  display: grid;
  gap: 16px;
  padding: 0 14px 14px;
  border-top: 1px solid var(--border);
}

.advanced-settings-body > .section-title:first-child {
  padding-top: 14px;
}

.settings-inline-message {
  min-height: 1.4em;
  margin: 0;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.settings-inline-message.error {
  color: var(--danger-readable);
}

dialog {
  border: 0;
  border-radius: 8px;
  padding: 0;
  width: min(720px, 92vw);
  box-shadow: var(--shadow);
  background: var(--surface);
  color: var(--text-primary);
}

dialog::backdrop {
  background: color-mix(in srgb, var(--canvas) 72%, transparent);
}

.confirm-box {
  display: grid;
  gap: 14px;
  padding: 22px;
}

.confirm-box h2,
.confirm-box p {
  margin: 0;
}

.approval-countdown {
  width: fit-content;
  border: 1px solid color-mix(in srgb, var(--info-readable) 35%, transparent);
  border-radius: 999px;
  padding: 6px 10px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--info-readable);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.approval-countdown.urgent {
  border-color: color-mix(in srgb, var(--danger-readable) 50%, transparent);
  background: color-mix(in srgb, var(--danger) 16%, transparent);
  color: var(--danger-readable);
}

.confirmation-panels {
  display: grid;
  gap: 14px;
  max-height: min(62vh, 680px);
  overflow: auto;
  padding-right: 4px;
}

.confirmation-panel {
  display: grid;
  gap: 12px;
  border: 1px solid color-mix(in srgb, var(--border) 78%, transparent);
  border-left: 4px solid var(--info-readable);
  border-radius: 10px;
  padding: 16px;
  background: color-mix(in srgb, var(--surface) 94%, var(--canvas));
}

.confirmation-panel[data-severity="caution"],
.confirmation-panel[data-severity="destructive"] { border-left-color: var(--danger-readable); }
.confirmation-panel h3, .confirmation-panel h4, .confirmation-panel p { margin: 0; }
.confirmation-panel h4 { font-size: 0.92rem; }
.confirmation-panel ul { margin: 6px 0 0; padding-left: 20px; }

.confirmation-facts {
  display: grid;
  grid-template-columns: minmax(110px, 0.35fr) minmax(0, 1fr);
  gap: 6px 12px;
  margin: 0;
}
.confirmation-facts dt { color: var(--text-secondary); font-weight: 700; }
.confirmation-facts dd { margin: 0; overflow-wrap: anywhere; }
.confirmation-metadata { color: var(--text-secondary); font-size: 0.78rem; }
.confirmation-debug summary { cursor: pointer; font-weight: 700; }

@media (max-width: 640px) {
  #confirmDialog { width: 100vw; max-width: none; min-height: 100dvh; border-radius: 0; }
  #confirmDialog .confirm-box { min-height: 100dvh; align-content: start; padding: 18px; }
  #confirmDialog .actions { position: sticky; bottom: 0; margin-top: auto; padding-top: 12px; background: var(--surface); }
  .confirmation-facts { grid-template-columns: 1fr; gap: 2px; }
  .confirmation-facts dd { margin-bottom: 8px; }
}

pre {
  max-height: 360px;
  overflow: auto;
  padding: 12px;
  border-radius: 8px;
  background: var(--canvas);
  color: var(--text-primary);
  font-size: 12px;
}

@media (max-width: 1220px) {
  .app-shell {
    grid-template-columns: 228px minmax(0, 1fr);
  }

  .workspace {
    --tool-panel-width: clamp(250px, 30vw, 320px);
  }

  .sidebar {
    padding: 20px;
  }

  .topbar {
    grid-template-columns: minmax(150px, 190px) minmax(180px, 1fr) minmax(170px, 0.8fr) auto auto;
  }

  #settingsBtn {
    grid-column: auto;
  }

  .chat-layout {
    grid-template-columns: minmax(360px, 1fr) var(--resize-handle-width) var(--tool-panel-width);
  }
}

@media (max-width: 1040px) {
  .account-password-fields {
    grid-template-columns: 1fr;
  }

  .topbar-shell,
  .workspace:has(.chat-layout.tool-collapsed) .topbar-shell {
    right: 0;
  }

  .topbar {
    grid-template-columns: minmax(150px, 180px) minmax(180px, 1fr) minmax(180px, 1fr);
  }

  #refreshModelsBtn,
  #settingsBtn {
    grid-column: auto;
  }

  .chat-layout {
    grid-template-columns: minmax(0, 1fr);
    height: 100%;
    min-height: 0;
  }

  .chat-layout.tool-collapsed {
    grid-template-columns: minmax(0, 1fr);
  }

  .chat-layout.tool-collapsed .tool-panel-expand {
    position: absolute;
    right: 10px;
    top: 44px;
    z-index: 6;
    width: auto;
    min-height: 40px;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 999px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  }

  .chat-layout.tool-collapsed .tool-panel-expand span {
    writing-mode: horizontal-tb;
    transform: none;
  }

  .tool-resize-handle {
    display: none;
  }

  .chat-main {
    min-height: 0;
  }

  .tool-panel {
    min-height: 220px;
    max-height: 28dvh;
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .tool-activity-filters {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tool-activity-search {
    grid-column: auto;
  }
}

/* Phone application shell and short-landscape fallback. */
@media (max-width: 760px), (max-height: 520px) and (max-width: 960px) {
  .account-section {
    padding: 15px;
  }

  .account-overview,
  .account-password-fields {
    grid-template-columns: 1fr;
  }

  .account-actions {
    grid-column: 1;
    justify-content: stretch;
  }

  .account-actions button {
    flex: 1 1 180px;
  }

  .account-form-actions button {
    width: 100%;
  }

  .account-form-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .account-form-actions .button-link {
    width: 100%;
  }

  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr);
  }

  .app-shell.sidebar-collapsed {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 210;
    display: grid;
    width: min(336px, calc(100vw - 44px));
    max-width: 100%;
    padding-top: max(18px, var(--safe-area-top));
    padding-right: 18px;
    padding-bottom: max(18px, var(--safe-area-bottom));
    padding-left: max(18px, var(--safe-area-left));
    box-shadow: 22px 0 54px rgb(0 0 0 / 28%);
    visibility: hidden;
    transform: translateX(-105%);
    transition: transform 180ms ease, visibility 0s linear 180ms;
  }

  body.mobile-history-open .sidebar {
    visibility: visible;
    transform: translateX(0);
    transition: transform 180ms ease;
  }

  .app-shell.sidebar-collapsed .sidebar {
    grid-template-rows: auto auto auto minmax(0, 1fr) auto;
    row-gap: 18px;
    width: min(336px, calc(100vw - 44px));
    padding-top: max(18px, var(--safe-area-top));
    padding-right: 18px;
    padding-bottom: max(18px, var(--safe-area-bottom));
    padding-left: max(18px, var(--safe-area-left));
    overflow: hidden;
  }

  .app-shell.sidebar-collapsed .brand {
    display: flex;
    justify-items: initial;
  }

  .app-shell.sidebar-collapsed .brand-new-chat {
    flex: 1 1 auto;
    justify-content: flex-start;
    width: auto;
    height: auto;
  }

  .app-shell.sidebar-collapsed .brand-copy,
  .app-shell.sidebar-collapsed .new-chat span,
  .app-shell.sidebar-collapsed .nav-item > span:last-child,
  .app-shell.sidebar-collapsed .history-list {
    display: initial;
  }

  .app-shell.sidebar-collapsed .history-list {
    display: block;
  }

  .app-shell.sidebar-collapsed .new-chat,
  .app-shell.sidebar-collapsed .history-search,
  .app-shell.sidebar-collapsed .nav-item {
    width: 100%;
    min-width: 0;
  }

  .app-shell.sidebar-collapsed .new-chat,
  .app-shell.sidebar-collapsed .nav-item {
    justify-content: flex-start;
    height: auto;
    min-height: 44px;
    padding: 10px 12px;
    text-align: left;
  }

  .app-shell.sidebar-collapsed .history-search {
    height: auto;
  }

  .app-shell.sidebar-collapsed .history-search input {
    width: 100%;
    height: 44px;
    padding: 0 12px 0 38px;
    color: var(--text-primary);
    caret-color: auto;
    cursor: text;
  }

  .app-shell.sidebar-collapsed .history-search input::placeholder {
    color: var(--text-muted);
  }

  .app-shell.sidebar-collapsed .status-stack {
    grid-row: auto;
    height: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border);
  }

  .app-shell.sidebar-collapsed .nav-list {
    gap: 4px;
  }

  .mobile-drawer-scrim:not([hidden]) {
    position: fixed;
    inset: 0;
    z-index: 205;
    display: block;
    width: 100%;
    height: 100%;
    padding: 0;
    background: var(--scrim);
  }

  .workspace {
    grid-template-rows: minmax(0, 1fr) auto;
  }

  .workspace > .view.active {
    grid-row: 1;
    height: auto;
  }

  .mobile-app-nav {
    z-index: 190;
    grid-row: 2;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    min-height: calc(var(--mobile-app-nav-height) + var(--safe-area-bottom));
    padding: 4px max(4px, var(--safe-area-right)) var(--safe-area-bottom) max(4px, var(--safe-area-left));
    border-top: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface) 96%, transparent);
  }

  .mobile-app-nav button {
    display: grid;
    min-height: 52px;
    align-content: center;
    justify-items: center;
    gap: 3px;
    padding: 4px 2px;
    border-radius: 8px;
    color: var(--text-secondary);
    background: transparent;
    font-size: var(--text-xs);
  }

  .mobile-app-nav button.active,
  .mobile-app-nav button[aria-current="page"] {
    color: var(--accent-readable);
    background: color-mix(in srgb, var(--accent-readable) 10%, transparent);
  }

  .mobile-app-nav .ui-icon {
    width: 20px;
    height: 20px;
  }

  .sidebar-resize-handle {
    display: none;
  }

  .topbar,
  .form-grid,
  .safety-options,
  .tool-manager-controls {
    grid-template-columns: 1fr;
  }

  .tool-filter-tabs,
  .danger-zone {
    flex-wrap: wrap;
  }

  .topbar {
    padding: 14px;
  }

  .usage-cost-details {
    position: fixed;
    top: calc(var(--safe-area-top) + 43px);
    right: max(12px, var(--safe-area-right));
    left: max(12px, var(--safe-area-left));
    width: auto;
    max-height: min(70dvh, calc(var(--app-viewport-height) - var(--mobile-app-nav-height) - var(--safe-area-top) - 64px));
    padding: 12px;
    border-radius: 12px;
    transform: translateY(-6px);
  }

  .usage-cost-badge:hover,
  .usage-cost-badge:focus {
    transform: none;
  }

  .usage-cost-badge:hover .usage-cost-details,
  .usage-cost-badge:focus .usage-cost-details,
  .usage-cost-badge:focus-within .usage-cost-details {
    transform: translateY(0);
  }

  .usage-panel-totals,
  .usage-panel-current .usage-panel-metrics,
  .usage-panel-activity-metrics,
  .usage-panel-savings .usage-panel-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .usage-panel-activity-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 5px 10px;
  }

  .usage-panel-activity-row .usage-panel-metrics {
    grid-column: 1 / -1;
  }

  .usage-panel-activity-row > .usage-panel-meta:last-child {
    grid-column: 2;
    grid-row: 1;
  }

  .settings-form {
    grid-template-columns: minmax(0, 1fr);
  }

  .settings-mobile-selector {
    display: grid;
    gap: 7px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface-2) 64%, transparent);
  }

  .settings-mobile-selector span {
    color: var(--text-secondary);
    font-size: var(--text-xs);
    font-weight: 760;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .settings-mobile-selector select {
    min-height: 48px;
    color: var(--text-primary);
    font-weight: 700;
  }

  .settings-tabs {
    display: none;
  }

  .settings-content {
    padding: 20px 18px 28px;
  }

  .chat-main {
    min-height: 0;
  }

  .empty-state {
    text-align: left;
  }

  .empty-state h2 {
    font-size: 28px;
  }

  .composer {
    grid-template-columns: 44px minmax(0, 1fr) auto;
    gap: 8px;
    padding: 8px max(10px, var(--safe-area-right)) 8px max(10px, var(--safe-area-left));
  }

  .composer:has(.retry:not(.hidden)),
  .composer:has(.stop:not(.hidden)),
  .composer:has(.retry:not(.hidden)):has(.stop:not(.hidden)) {
    grid-template-columns: 44px minmax(0, 1fr) auto;
  }

  .composer .send {
    grid-column: 3;
    grid-row: 1;
    min-width: 56px;
    height: 44px;
    min-height: 44px;
  }

  .composer .stop,
  .composer .retry {
    grid-row: 2;
    min-height: 44px;
  }

  .composer .retry:not(.hidden) {
    grid-column: 1 / 3;
  }

  .composer .stop:not(.hidden) {
    grid-column: 3;
  }

  .composer textarea {
    min-height: 58px;
    max-height: min(32dvh, 180px);
    line-height: 1.35;
    scroll-padding-bottom: 12px;
  }

  .mode-menu {
    width: min(220px, calc(100vw - 28px));
  }

  .tool-panel {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 120;
    width: 100%;
    height: min(78%, 720px);
    min-height: min(320px, 70%);
    max-height: calc(100% - 24px);
    padding-bottom: var(--safe-area-bottom);
    border: 1px solid var(--border-strong);
    border-bottom: 0;
    border-radius: 18px 18px 0 0;
    background: var(--surface);
    box-shadow: 0 -24px 64px rgb(0 0 0 / 34%);
  }

  .tool-panel::before {
    content: "";
    position: absolute;
    top: 7px;
    left: 50%;
    width: 42px;
    height: 4px;
    border-radius: 999px;
    background: var(--border-strong);
    transform: translateX(-50%);
  }

  .tool-panel .panel-heading {
    padding-top: 22px;
  }

  .chat-layout:has(.tool-panel[aria-hidden="false"])::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 110;
    background: var(--scrim);
  }

  .chat-layout.tool-collapsed .tool-panel-expand {
    right: 8px;
    top: 42px;
    min-height: 44px;
  }

  .tool-activity-filters select,
  .tool-activity-filters input,
  .filter-reset,
  .panel-actions button,
  .sidebar button,
  .sidebar .nav-item {
    min-height: 44px;
  }

  .settings-view.active {
    padding: 16px 16px 32px;
  }
}

@media (max-width: 430px) {
  .conversation {
    padding: 14px;
  }

  .tool-activity-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tool-activity-search {
    grid-column: 1 / -1;
  }

  .message {
    max-width: 100%;
  }

}

.uva-verification-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem 1.25rem;
  align-items: end;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-2);
}

.uva-verification-card strong {
  color: var(--text-primary);
}

.uva-verification-card p {
  margin: .35rem 0 0;
  color: var(--text-muted);
  line-height: 1.5;
}

.uva-verification-fields {
  display: grid;
  min-width: min(100%, 22rem);
  gap: .65rem;
}

.uva-verification-fields label {
  display: grid;
  gap: .35rem;
  color: var(--text-secondary);
  font-weight: 700;
}

.uva-verification-fields input {
  width: 100%;
  min-height: 44px;
}

.uva-verification-card > .settings-inline-message {
  grid-column: 1 / -1;
  margin: 0;
}

.uva-verification-card.verified {
  align-items: center;
  border-color: color-mix(in srgb, var(--success) 35%, var(--border));
  background: color-mix(in srgb, var(--success) 7%, var(--surface));
}

@media (max-width: 720px) {
  .uva-verification-card {
    grid-template-columns: minmax(0, 1fr);
    align-items: stretch;
  }

  .uva-verification-fields {
    min-width: 0;
  }
}

/* Ask Grounds Brand System v2.0 */
.mark-dark { display: none; }
:root[data-theme="dark"] .mark-light { display: none; }
:root[data-theme="dark"] .mark-dark { display: block; }

.ui-icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.eyebrow,
.history-group h2,
.queued-messages-heading,
.settings-tab,
.run-id-pill span,
code,
pre {
  font-family: var(--font-utility);
}

.brand .mark { width: 38px; height: 38px; }

.brand-new-chat,
.new-chat,
.nav-item,
.history-search {
  display: flex;
  align-items: center;
  gap: 9px;
}

.history-search { position: relative; }
.history-search .ui-icon {
  position: absolute;
  left: 11px;
  z-index: 1;
  color: var(--text-muted);
  pointer-events: none;
}
.history-search input { padding-left: 39px; }

.sidebar,
.topbar,
.composer,
.tool-panel,
.settings-form,
.diagnostic-panel,
.live-test-header {
  background: var(--surface);
  backdrop-filter: none;
}

.workspace { background: var(--canvas); }
.topbar { border-color: var(--border); box-shadow: var(--shadow); }

.primary:hover,
.send:hover {
  background: var(--accent-hover);
  filter: none;
}

.ghost,
.icon-button,
.small-button,
.topbar-trigger,
.settings-tab,
input,
select,
textarea {
  background: var(--surface-2);
}

.ghost:hover,
.icon-button:hover,
.small-button:hover,
.topbar-trigger:hover,
.settings-tab:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--surface-3);
}

.new-chat,
.nav-item.active,
.settings-tab.active {
  color: var(--accent-readable);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--border));
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
}

.new-chat:hover,
.nav-item:hover,
.history-item:hover,
.history-item.active {
  background: color-mix(in srgb, var(--accent) 14%, var(--surface));
}

.auth-theme-picker {
  display: flex;
  justify-content: flex-end;
  gap: 4px;
  margin: -12px -12px 18px 0;
}

.auth-theme-picker button {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
}

.auth-theme-picker button:hover,
.auth-theme-picker button[aria-pressed="true"] {
  color: var(--accent-readable);
  border-color: var(--border);
  background: var(--surface-2);
}

.auth-wordmark {
  display: flex;
  align-items: center;
  min-height: 52px;
}

.auth-wordmark .auth-logo {
  width: min(268px, 100%);
  height: auto;
}

.independence-note {
  margin: 18px 0 0;
  color: var(--text-muted);
  font-size: var(--text-xs);
  line-height: 1.45;
}

.theme-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0;
}

.theme-option {
  display: grid;
  min-height: 88px;
  place-items: center;
  align-content: center;
  gap: 8px;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
}

.theme-option .ui-icon { width: 24px; height: 24px; }
.theme-option > span {
  display: grid;
  gap: 3px;
  text-align: center;
}

.theme-option small {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.theme-option:hover,
.theme-option[aria-pressed="true"] {
  color: var(--accent-readable);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, var(--surface));
}

.appearance-preview {
  display: grid;
  grid-template-columns: minmax(108px, 0.32fr) 1fr;
  min-height: 220px;
  overflow: hidden;
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--canvas);
}

.appearance-preview-sidebar {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 18px;
  border-right: 1px solid var(--border);
  background: var(--surface);
}

.appearance-preview-sidebar i,
.appearance-preview-canvas span {
  display: block;
  height: 8px;
  border-radius: 2px;
  background: var(--surface-3);
}

.preview-mark {
  color: var(--accent);
  font-family: var(--font-utility);
  font-weight: 600;
}

.appearance-preview-canvas {
  display: grid;
  align-content: center;
  gap: 14px;
  padding: 28px;
}

.appearance-preview-canvas span { width: 78%; }
.appearance-preview-canvas span + span { width: 58%; }
.appearance-preview-canvas button {
  width: 74px;
  height: 36px;
  color: white;
  border-radius: 6px;
  background: var(--accent);
}

.diagnostic-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.diagnostic-brand .mark { width: 42px; height: 42px; }
.diagnostic-brand strong { font-size: var(--text-xl); }
a { color: var(--accent-readable); }

.settings-tabs {
  scrollbar-width: none;
}

.settings-tabs::-webkit-scrollbar {
  display: none;
}

@media (forced-colors: active) {
  :where(a, button, input, select, textarea, summary):focus-visible {
    outline: 3px solid Highlight;
  }

  .mark-light,
  .mark-dark {
    forced-color-adjust: none;
  }
}

@media (max-width: 560px) {
  .theme-options { grid-template-columns: 1fr; }
  .theme-option {
    min-height: 54px;
    grid-template-columns: auto auto;
  }
  .appearance-preview { grid-template-columns: 84px 1fr; }
}

.auth-loading { min-height: 100dvh; display: flex; align-items: center; justify-content: center; gap: 1rem; padding: 2rem; text-align: center; }