/* Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
  background-color: var(--color-bg-primary);
}

.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--duration-normal) var(--ease-default);
}

.sidebar-is-collapsed .main-content {
  margin-left: var(--sidebar-width-collapsed);
}

.main-content-inner {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.app-layout-chat {
  height: 100vh;
  height: 100dvh;
}

.app-layout-chat .main-content {
  height: 100vh;
  height: 100dvh;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

.app-layout-chat .main-content-inner {
  overflow: hidden;
  min-width: 0;
}

/* Footer */
.app-footer {
  background: transparent;
  border-top: 1px solid var(--color-border-divider);
  padding: var(--spacing-md) var(--spacing-lg);
  margin-top: auto;
}

.app-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.app-footer-version {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.app-footer-version a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 150ms;
}

.app-footer-version a:hover {
  color: var(--color-text-secondary);
}

.app-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
}

.app-footer-links a {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 150ms;
}

.app-footer-links a:hover {
  color: var(--color-text-secondary);
}

.app-footer-copyright {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.app-footer-copyright a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 150ms;
}

.app-footer-copyright a:hover {
  color: var(--color-text-secondary);
}

/* Mobile header */
.mobile-header {
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border-subtle);
}

.hamburger-btn {
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.mobile-title {
  font-weight: 600;
  color: var(--color-text-primary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mobile-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.mobile-header-btn {
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.05rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 10px;
  border-radius: var(--radius-full);
  transition: background var(--duration-fast) var(--ease-default);
}
.mobile-header-btn:hover {
  background: var(--color-bg-hover);
}
.mobile-header-btn:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}

.mobile-header-avatar {
  padding: 4px;
}
.mobile-header-avatar img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}
.mobile-header-avatar .fa-user-circle {
  font-size: 1.5rem;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  height: 100dvh;
  background: var(--color-bg-secondary);
  border-right: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  z-index: 50;
  overflow-y: auto;
  box-shadow: var(--shadow-sidebar);
  transition: width var(--duration-normal) var(--ease-spring),
              transform var(--duration-normal) var(--ease-spring);
  will-change: transform;
}

.sidebar-overlay {
  display: none;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-subtle);
  min-height: 44px;
}

.sidebar-logo-link {
  display: block;
}

.sidebar-logo-img {
  width: 100%;
  max-width: 120px;
  height: auto;
  padding: 0 var(--spacing-xs);
}

.sidebar-logo-icon {
  display: none;
}

.sidebar-logo-icon-img {
  width: 28px;
  height: 28px;
}

.sidebar-close-btn {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
}

.sidebar-nav {
  flex: 1;
  padding: 2px 0;
  overflow-y: auto;
}

.sidebar-section {
  padding: 2px 0;
}

.sidebar-section-title {
  padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-xs);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-section-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: color var(--duration-fast);
}

.sidebar-section-toggle:hover {
  color: var(--color-text-primary);
}

.sidebar-section-chevron {
  font-size: 0.5rem;
  opacity: 0.6;
  transition: transform var(--duration-fast), opacity var(--duration-fast);
  flex-shrink: 0;
}

.sidebar-section-toggle:hover .sidebar-section-chevron {
  opacity: 1;
}

.sidebar-section-toggle.open .sidebar-section-chevron {
  transform: rotate(90deg);
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 8px var(--spacing-md) 8px calc(var(--spacing-sm) + 2px);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  transition: color var(--duration-normal) var(--ease-spring),
              background var(--duration-normal) var(--ease-spring),
              box-shadow var(--duration-normal) var(--ease-spring);
  white-space: nowrap;
  overflow: hidden;
}

.nav-item:hover:not(.active) {
  color: var(--color-text-primary);
  background: var(--color-surface-elevated);
}

.nav-item.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
  box-shadow: inset 2px 0 0 var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.nav-icon {
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  font-size: 0.85rem;
}

.nav-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity 150ms ease;
}

/* Sidebar nav polish: inset, rounded "pill" items give the nav a lighter,
   more intentional rhythm than full-bleed bars. Scoped to .sidebar-nav so the
   shared .nav-item class (reused by the admin console rail) keeps its own
   treatment. */
.sidebar-nav .nav-item {
  margin: 1px var(--spacing-sm);
  padding-left: var(--spacing-sm);
  padding-right: var(--spacing-sm);
  border-radius: var(--radius-lg);
}
.sidebar-nav .nav-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  box-shadow: none;
}
.sidebar-nav .nav-item.active .nav-icon { color: var(--color-primary); }
/* Align tier labels with the inset item text (item margin + icon padding). */
.sidebar-nav .sidebar-section-title {
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

.nav-external {
  font-size: 0.55rem;
  margin-left: auto;
  opacity: 0.5;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  width: 100%;
  padding: var(--spacing-xs) 0;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  overflow: hidden;
}

.sidebar-user-avatar {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.sidebar-user-avatar-icon {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.sidebar-user-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex: 1;
  min-width: 0;
  background: none;
  border: none;
  padding: 2px var(--spacing-xs);
  margin: -2px calc(-1 * var(--spacing-xs));
  border-radius: var(--radius-sm);
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: background var(--duration-fast), color var(--duration-fast);
}

.sidebar-user-link:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.sidebar-user-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: left;
}

.sidebar-logout-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  flex-shrink: 0;
  transition: color var(--duration-fast);
}

.sidebar-logout-btn:hover {
  color: var(--color-error);
}

.sidebar.collapsed .sidebar-user {
  justify-content: center;
}

.sidebar.collapsed .sidebar-user-link {
  flex: 0;
  margin: 0;
  padding: 2px;
}

.sidebar.collapsed .sidebar-user-name,
.sidebar.collapsed .sidebar-logout-btn {
  display: none;
}

.sidebar-collapse-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  transition: color var(--duration-fast), background var(--duration-fast);
  flex-shrink: 0;
}

.sidebar-collapse-btn:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-hover);
}

/* Collapsed sidebar (desktop only) */
.sidebar.collapsed {
  width: var(--sidebar-width-collapsed);
}

.sidebar.collapsed .sidebar-logo-link {
  display: none;
}

.sidebar.collapsed .sidebar-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.sidebar.collapsed .sidebar-header {
  justify-content: center;
}

.sidebar.collapsed .nav-label,
.sidebar.collapsed .nav-external,
.sidebar.collapsed .sidebar-section-title {
  display: none;
}

.sidebar.collapsed .sidebar-section-chevron {
  display: none;
}

.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 8px 0;
  border-left-width: 2px;
}

.sidebar.collapsed .nav-icon {
  width: auto;
  font-size: 1rem;
}

.sidebar.collapsed .sidebar-footer {
  justify-content: center;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.sidebar.collapsed .theme-toggle {
  padding: 4px;
  font-size: 0.75rem;
}

.sidebar.collapsed .theme-toggle .nav-label {
  display: none;
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.875rem;
  transition: color var(--duration-fast) var(--ease-default),
              border-color var(--duration-fast) var(--ease-default),
              background var(--duration-fast) var(--ease-default);
}
.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-border);
}
.theme-toggle__icon {
  display: inline-block;
  animation: themeIconIn var(--duration-normal) var(--ease-default);
}
@keyframes themeIconIn {
  from { opacity: 0; transform: rotate(-90deg) scale(0.7); }
  to   { opacity: 1; transform: rotate(0) scale(1); }
}

/* Language switcher */
.language-switcher {
  position: relative;
  display: inline-flex;
}
.language-switcher-trigger {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.language-switcher-code {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.sidebar.collapsed .language-switcher-code {
  display: none;
}
.language-switcher-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  min-width: 160px;
  background: var(--color-bg-elevated, var(--color-bg-secondary));
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg, 0 8px 24px rgba(0, 0, 0, 0.18));
  list-style: none;
  margin: 0;
  padding: 4px;
  z-index: 1000;
}
.sidebar.collapsed .language-switcher-menu {
  left: calc(100% + 8px);
  bottom: 0;
}
.language-switcher-menu li {
  margin: 0;
}
.language-switcher-option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 0;
  padding: var(--spacing-xs) var(--spacing-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  text-align: left;
}
.language-switcher-option:hover {
  background: var(--color-bg-tertiary, rgba(255, 255, 255, 0.04));
  color: var(--color-text-primary);
}
.language-switcher-option.active {
  color: var(--color-primary);
}
.language-switcher-flag {
  font-weight: 600;
  font-size: 0.7rem;
  width: 22px;
  letter-spacing: 0.04em;
}
.language-switcher-name {
  flex: 1;
}
.language-switcher-check {
  font-size: 0.75rem;
}

/* App boot fallback (rendered while initial i18n namespaces load) */
.app-boot-spinner {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary, #111);
}
.app-boot-spinner-dot {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid var(--color-border-subtle, rgba(255, 255, 255, 0.15));
  border-top-color: var(--color-primary, #4f8cff);
  animation: app-boot-spin 0.8s linear infinite;
}
@keyframes app-boot-spin {
  to { transform: rotate(360deg); }
}

/* Operations bar */
.operations-bar {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: var(--spacing-xs) var(--spacing-md);
}

.operation-text {
  font-family: var(--font-mono);
}
.operation-progress {
  font-variant-numeric: tabular-nums;
}

.operation-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xs) 0;
  flex-wrap: wrap;
}

.operation-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 2 1 0;
  min-width: 0;
}

.operation-info > .operation-text {
  flex: 1 1 auto;
  min-width: 0;
}

.operation-spinner {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  box-sizing: border-box;
  border: 2px solid var(--color-border-default);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
}

.operation-text {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
}

.operation-progress {
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 500;
}

.operation-bar-container {
  flex: 0 1 160px;
  min-width: 80px;
  height: 3px;
  background: var(--color-surface-sunken);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.operation-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--duration-slow) var(--ease-spring);
  animation: opsBarBreathe 1.4s ease-in-out infinite;
}

/* Inline install indicator — used in table rows (Models, Backends) */
.inline-install {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.inline-install__row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-width: 0;
}
.inline-install__label {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
  white-space: nowrap;
}

.operation-cancel {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 4px 6px;
  font-size: 0.875rem;
}
.operation-cancel:hover {
  color: var(--color-error);
}

/* Operations bar: per-node breakdown (multi-worker installs) */
.operation-expand {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0 var(--spacing-xs);
  font-size: var(--text-xs);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.operation-expand:hover {
  color: var(--color-text-primary);
}
.operation-expand-label {
  font-size: var(--text-xs);
}

.operation-nodes-list {
  list-style: none;
  margin: var(--spacing-xs) 0 0;
  padding: var(--spacing-xs) 0 0;
  border-top: 1px solid var(--color-border-subtle);
  flex-basis: 100%;
  width: 100%;
}
.operation-node {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}
.operation-node-status {
  padding: 2px 6px;
  border-radius: var(--radius-md);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  white-space: nowrap;
}
.operation-node-status-success {
  background: var(--color-success-light);
  color: var(--color-success);
}
.operation-node-status-error {
  background: var(--color-error-light);
  color: var(--color-error);
}
.operation-node-status-queued {
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
}
.operation-node-status-running_on_worker {
  background: var(--color-warning-light);
  color: var(--color-warning);
}
.operation-node-status-downloading {
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.operation-node-name {
  font-weight: 500;
  color: var(--color-text-secondary);
}
.operation-node-file {
  font-family: var(--font-mono);
  color: var(--color-text-tertiary);
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 30ch;
  white-space: nowrap;
}
.operation-node-bytes {
  font-variant-numeric: tabular-nums;
  color: var(--color-text-tertiary);
}
.operation-node-pct {
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
  font-weight: 500;
}
.operation-node-error {
  color: var(--color-error);
}
.operation-node-bar-container {
  flex-basis: 100%;
  height: 3px;
  background: var(--color-surface-sunken);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 0.25rem;
}
.operation-node-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--duration-slow, 0.3s) var(--ease-spring, ease);
}

/* Toast */
.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: -0.005em;
  animation: toastSlideIn var(--duration-normal) var(--ease-spring);
  min-width: 280px;
}

.toast-enter {
  opacity: 0;
  transform: translateX(12px);
}

.toast-exit {
  opacity: 0;
  transform: translateX(12px);
  transition: opacity var(--duration-fast) var(--ease-spring),
              transform var(--duration-fast) var(--ease-spring);
}

.toast-success {
  box-shadow: inset 3px 0 0 var(--color-success), var(--shadow-sm);
  border-color: var(--color-border-subtle);
}
.toast-error {
  box-shadow: inset 3px 0 0 var(--color-error), var(--shadow-sm);
  border-color: var(--color-border-subtle);
}
.toast-warning {
  box-shadow: inset 3px 0 0 var(--color-warning), var(--shadow-sm);
  border-color: var(--color-border-subtle);
}
.toast-info {
  box-shadow: inset 3px 0 0 var(--color-info), var(--shadow-sm);
  border-color: var(--color-border-subtle);
}

.toast-close {
  margin-left: auto;
  background: none;
  border: none;
  color: inherit;
  opacity: 0.6;
  cursor: pointer;
  padding: 2px;
}
.toast-close:hover { opacity: 1; }
.toast-link {
  font-size: 0.75rem;
  color: inherit;
  opacity: 0.8;
  text-decoration: underline;
  white-space: nowrap;
  margin-left: var(--spacing-xs);
}
.toast-link:hover { opacity: 1; }

/* Chat error trace link */
.chat-error-trace-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  margin-top: var(--spacing-xs);
}
.chat-error-trace-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Spinner */
.spinner {
  display: flex;
  align-items: center;
  justify-content: center;
}
.spinner-ring {
  border: 3px solid var(--color-border-subtle);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.spinner-sm .spinner-ring { width: 16px; height: 16px; }
.spinner-md .spinner-ring { width: 24px; height: 24px; }
.spinner-lg .spinner-ring { width: 40px; height: 40px; }

/* Skeleton shimmer placeholders */
.skeleton {
  display: block;
  border-radius: var(--radius-sm);
  background: linear-gradient(
    100deg,
    var(--color-surface-sunken) 30%,
    var(--color-surface-hover) 50%,
    var(--color-surface-sunken) 70%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.4s ease-in-out infinite;
}
.skeleton--line { height: 0.85em; margin: 0.35em 0; width: 100%; }
.skeleton--block { height: 100%; width: 100%; border-radius: var(--radius-md); }
@keyframes skeletonShimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* Model selector */
.model-selector {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
  cursor: pointer;
  transition: border-color var(--duration-fast);
  min-width: 180px;
}
.model-selector:focus {
  border-color: var(--color-border-strong);
}

/* Resource monitor */
.resource-monitor {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
}

.resource-monitor-title {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.resource-gpu-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.resource-gpu-card {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
}

.resource-gpu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xs);
}

.resource-gpu-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.resource-gpu-vendor {
  font-size: 0.6875rem;
  padding: 2px 6px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
}

.resource-gpu-stats {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.resource-bar-container {
  height: 4px;
  background: var(--color-bg-primary);
  border-radius: 2px;
  overflow: hidden;
}

.resource-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width 500ms ease;
}

.resource-bar-ram {
  background: var(--color-secondary);
}

.resource-no-gpu {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  padding: var(--spacing-sm);
}

.resource-ram {
  margin-top: var(--spacing-sm);
}

.resource-ram-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.resource-monitor-compact {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.resource-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Common page styles — width archetype is opt-in via modifiers.
   Default cap fits 9-column data tables on ultrawide displays without
   feeling untethered. Add .page--narrow for forms / single-record edit
   views, .page--wide for full-bleed (chat shells, log streams). */
.page {
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-2xl);
  width: 100%;
  max-width: var(--page-max, var(--page-max-default));
  margin: 0 auto;
  animation: fadeIn var(--duration-normal) var(--ease-default);
}

.page--narrow { --page-max: var(--page-max-narrow); }
.page--medium { --page-max: var(--page-max-medium); }
.page--wide   { --page-max: var(--page-max-wide); }

.page-header {
  margin-bottom: var(--spacing-xl);
}

.page-title {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 1.15rem + 1.4vw, var(--text-3xl));
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.018em;
  line-height: var(--leading-tight);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

/* Mid hierarchy tier — between page title and the xs uppercase group labels */
.section-heading {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-medium);
  letter-spacing: -0.005em;
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
  margin: 0;
}

.page-header--editorial {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  margin-bottom: var(--space-section, var(--spacing-xl));
}
.page-header__lead { display: flex; flex-direction: column; gap: var(--spacing-xs); min-width: 0; }
.page-header__eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-eyebrow);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}
.page-header__eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--color-eyebrow);
  opacity: 0.7;
}
.page-header__supporting { color: var(--color-text-secondary); font-size: var(--text-base); margin: 0; max-width: 60ch; }
.page-header__meta { display: flex; align-items: center; gap: var(--spacing-sm); flex-wrap: wrap; }

.page-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* Cards */
.card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-subtle), var(--shadow-inset-top);
  transition: border-color var(--duration-normal) var(--ease-spring),
              box-shadow var(--duration-normal) var(--ease-spring),
              transform var(--duration-normal) var(--ease-spring);
}

.card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm), var(--shadow-inset-top);
  transform: translateY(-1px);
}

/* Accent-rail variant — editorial left bar for highlighted cards */
.card--accent {
  box-shadow: inset 2px 0 0 var(--color-primary), var(--shadow-subtle), var(--shadow-inset-top);
}
.card--accent:hover {
  box-shadow: inset 2px 0 0 var(--color-primary), var(--shadow-sm), var(--shadow-inset-top);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

/* Form rows — consistent label+control rhythm */
.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border-divider);
}
.form-row:last-child {
  border-bottom: none;
}
.form-row__label {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}
.form-row__label-text {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}
.form-row__hint {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: var(--leading-snug);
}
.form-row__control {
  flex-shrink: 0;
}

.form-group__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  padding: var(--spacing-md) 0 var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-divider);
  margin-bottom: var(--spacing-md);
}
.form-group__title i {
  color: var(--color-primary);
  font-size: var(--text-sm);
}
.form-group__body {
  padding-bottom: var(--spacing-md);
}
.form-group__body:last-child {
  padding-bottom: var(--spacing-lg);
}
.form-group__actions {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) 0 var(--spacing-lg);
  border-top: 1px solid var(--color-border-divider);
  margin-top: var(--spacing-md);
}

/* Form layout grids */
.form-grid {
  display: grid;
  gap: var(--spacing-md);
}
.form-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-md);
}
.form-grid-3col {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-md);
}
@media (max-width: 720px) {
  .form-grid-2col, .form-grid-3col {
    grid-template-columns: 1fr;
  }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.form-field__label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.form-field__hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: var(--leading-snug);
}

/* Button modifiers */
.btn-full {
  width: 100%;
}

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-surface-sunken);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
}
.progress-bar__fill {
  height: 100%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary-text);
  transition: width 300ms var(--ease-default);
  white-space: nowrap;
  padding: 0 var(--spacing-sm);
}
.progress-bar__fill--error {
  background: var(--color-error);
}

/* Log tail viewport */
.log-tail {
  max-height: 180px;
  overflow: auto;
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: var(--leading-snug);
  color: var(--color-text-secondary);
}
.log-tail__line {
  padding: 1px 0;
}
.log-tail__line--error {
  color: var(--color-error);
}

/* Result quote (TTS / Sound prompt echo) */
.result-quote {
  padding: var(--spacing-md);
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-style: italic;
  text-align: center;
  line-height: var(--leading-normal);
}

/* Data table — used by Quantize jobs list, Traces, etc. */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.data-table th {
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border-default);
  background: var(--color-surface-sunken);
}
.data-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-divider);
  vertical-align: middle;
  color: var(--color-text-primary);
}
.data-table tbody tr {
  transition: background var(--duration-fast);
}
.data-table tbody tr:hover {
  background: var(--color-surface-hover);
}
.data-table tbody tr.is-selected {
  background: var(--color-primary-light);
}
.data-table tbody tr:last-child td {
  border-bottom: none;
}
.data-table__actions {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: flex-end;
}
.data-table__truncate {
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Quantize page */
.quantize-page__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-md);
}
.quantize-form {
  margin-bottom: var(--spacing-lg);
}
.quantize-form__quant-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}
.quantize-form__quant-row > :only-child {
  grid-column: 1 / -1;
}
@media (max-width: 520px) {
  .quantize-form__quant-row {
    grid-template-columns: 1fr;
  }
}
.quantize-progress-card {
  margin-bottom: var(--spacing-lg);
}
.quantize-progress-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}
.quantize-progress-card__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: 0;
  font-size: var(--text-base);
  color: var(--color-text-primary);
}
.quantize-progress-card__title i {
  color: var(--color-primary);
}
.quantize-progress-card__status {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}
.quantize-progress-card__message {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.quantize-progress-card .progress-bar {
  margin-bottom: var(--spacing-md);
}
.quantize-import-card {
  margin-bottom: var(--spacing-lg);
}
.quantize-import-card__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: 0 0 var(--spacing-md);
  font-size: var(--text-base);
  color: var(--color-text-primary);
}
.quantize-import-card__title i {
  color: var(--color-primary);
}
.quantize-import-card__row {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
}
.quantize-import-card__name {
  flex: 1;
  min-width: 220px;
  max-width: 320px;
}
.quantize-jobs {
  padding: 0;
  overflow: hidden;
}
.quantize-jobs__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: 0;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-divider);
  font-size: var(--text-base);
  color: var(--color-text-primary);
}
.quantize-jobs__title i {
  color: var(--color-primary);
}
.quantize-jobs__scroll {
  overflow-x: auto;
}

/* Segmented control (Sound mode toggle etc.) */
.segmented {
  display: inline-flex;
  padding: 3px;
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  gap: 2px;
}
.segmented__item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 6px var(--spacing-md);
  background: transparent;
  color: var(--color-text-secondary);
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background var(--duration-fast), color var(--duration-fast);
}
.segmented__item:hover {
  color: var(--color-text-primary);
}
.segmented__item.is-active {
  background: var(--color-surface-raised);
  color: var(--color-primary);
  box-shadow: var(--shadow-subtle);
}

/* Inline checkbox row */
.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px var(--spacing-md);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  user-select: none;
  transition: border-color var(--duration-fast);
  margin-bottom: var(--spacing-md);
}
.checkbox-row:hover {
  border-color: var(--color-border-default);
}
.checkbox-row input[type="checkbox"] {
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Audio result wrapper (TTS/Sound) */
.audio-result {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--spacing-md);
  width: 100%;
  max-width: 480px;
}
.audio-result__player {
  width: 100%;
}
.audio-result__actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
}

/* Media empty state */
.media-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--spacing-xl) var(--spacing-md);
}
.media-empty__icon {
  display: block;
  font-size: 2.75rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.35;
}
.media-empty p {
  font-size: var(--text-sm);
  margin: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.5rem var(--spacing-md);
  min-height: 34px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  letter-spacing: -0.005em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--duration-normal) var(--ease-spring),
              color var(--duration-normal) var(--ease-spring),
              border-color var(--duration-normal) var(--ease-spring),
              box-shadow var(--duration-normal) var(--ease-spring),
              filter var(--duration-normal) var(--ease-spring),
              transform var(--duration-normal) var(--ease-spring);
  text-decoration: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

/* Global focus ring - any interactive that isn't a .btn. This box-shadow ring
   is the single focus technique app-wide (it covers .btn plus the :where(...)
   list below). The strengthened --color-focus-ring keeps it WCAG-AA visible
   (>=3:1), so no separate solid-outline rule is needed; a bare :focus-visible
   outline here would double-ring every element. */
:where(a, button, input, select, textarea, [tabindex]:not([tabindex="-1"])):focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-focus-ring);
  border-radius: var(--radius-sm);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-primary-text);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25), var(--shadow-inset-hi);
}
.btn-primary:hover:not(:disabled) {
  filter: brightness(1.06);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3), var(--shadow-inset-hi);
}
.btn-primary:focus-visible:not(:disabled) {
  box-shadow: 0 0 0 3px var(--color-focus-ring), var(--shadow-inset-hi);
}

.btn-secondary {
  background: var(--color-surface-elevated);
  color: var(--color-text-primary);
  border-color: var(--color-border-default);
}
.btn-secondary:hover:not(:disabled) {
  border-color: var(--color-border-strong);
  background: var(--color-surface-hover);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-elevated);
  color: var(--color-text-primary);
}

.btn-danger {
  background: var(--color-error-light);
  color: var(--color-error);
  border-color: var(--color-error-border);
}
.btn-danger:hover:not(:disabled) {
  background: var(--color-error);
  color: var(--color-text-inverse);
  border-color: var(--color-error);
  filter: brightness(1.04);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.35rem var(--spacing-sm);
  min-height: 28px;
  font-size: var(--text-xs);
  letter-spacing: 0;
}

.btn:active:not(:disabled) {
  filter: brightness(0.95);
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  filter: none;
  transform: none;
}

/* Toggle switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 38px;
  height: 22px;
  cursor: pointer;
  flex-shrink: 0;
}
.toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle__track {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: var(--color-toggle-off);
  transition: background var(--duration-normal) var(--ease-default);
}
.toggle__thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-normal) var(--ease-default);
}
.toggle--on .toggle__track {
  background: var(--color-toggle-on);
}
.toggle--on .toggle__thumb {
  transform: translateX(16px);
}
.toggle:hover:not(.toggle--disabled) .toggle__track {
  filter: brightness(1.08);
}
.toggle:focus-within .toggle__track {
  box-shadow: 0 0 0 3px var(--color-border-focus);
}
.toggle--disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

/* Inputs — sunken well, quiet border, sage focus ring */
.input {
  background: var(--color-surface-sunken);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-sm);
  font-family: inherit;
  letter-spacing: -0.005em;
  outline: none;
  width: 100%;
  transition: border-color var(--duration-normal) var(--ease-spring),
              box-shadow var(--duration-normal) var(--ease-spring),
              background var(--duration-normal) var(--ease-spring);
}
.input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.8;
}
.input:hover:not(:disabled):not(:focus) {
  border-color: var(--color-border-strong);
}
.input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
  background: var(--color-surface-sunken);
}
.input:disabled {
  background: var(--color-surface-sunken);
  color: var(--color-text-muted);
  cursor: not-allowed;
  opacity: 0.7;
}
select.input {
  cursor: pointer;
  padding-right: var(--spacing-xl);
}

.input-mono {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: -0.01em;
}

.textarea {
  background: var(--color-surface-sunken);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--text-sm);
  font-family: inherit;
  letter-spacing: -0.005em;
  outline: none;
  width: 100%;
  resize: vertical;
  min-height: 80px;
  line-height: var(--leading-normal);
  transition: border-color var(--duration-normal) var(--ease-spring),
              box-shadow var(--duration-normal) var(--ease-spring);
}
.textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.8;
}
.textarea:hover:not(:disabled):not(:focus) {
  border-color: var(--color-border-strong);
}
.textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}
.textarea:disabled {
  background: var(--color-surface-sunken);
  color: var(--color-text-muted);
  cursor: not-allowed;
  opacity: 0.7;
}

/* CodeMirror editor wrapper */
.code-editor-cm .cm-editor {
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
}
.code-editor-cm .cm-editor.cm-focused {
  border-color: var(--color-border-strong);
  outline: none;
}

/* Form groups */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

/* Badges — sharp editorial rectangles, mono caps */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
}

.badge-success {
  background: var(--color-success-light);
  color: var(--color-success);
}
.badge-error {
  background: var(--color-error-light);
  color: var(--color-error);
}
.badge-info {
  background: var(--color-info-light);
  color: var(--color-info);
}
.badge-warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
}
.badge-accent {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

/* badge-link marks a badge that navigates somewhere (e.g. the use-case
   chips that open a playground page). Signals clickability the bare
   colour variant doesn't: pointer cursor, and a hover state that lifts
   the background/text so links read as interactive while non-link
   badges (Embeddings, VAD, Score, ...) stay flat. */
.badge-link {
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.12s ease, color 0.12s ease, box-shadow 0.12s ease;
}
.badge-link:hover,
.badge-link:focus-visible {
  background: var(--color-info);
  color: var(--color-bg-primary);
  box-shadow: 0 0 0 1px var(--color-info);
  outline: none;
}

/* Horizontal row of badges used inside table cells — consistent spacing so
   cells line up regardless of how many badges are present. */
.badge-row {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

/* Vertically stacked cell content (e.g. version + update chip + drift chip).
   Keeps rows readable at scale without inline style={{...}} everywhere. */
.cell-stack {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-start;
}

.cell-mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-primary);
}

.cell-muted {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.cell-subtle {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 400;
  margin-left: 8px;
}

.cell-name {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
}
.cell-name > i {
  color: var(--color-accent);
  font-size: var(--text-xs);
}

.row-actions {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: flex-end;
  align-items: center;
}

/* Softer delete button for dense tables — the destructive confirm dialog
   already owns the "are you sure" affordance, so the button itself doesn't
   need to scream. Keeps the delete red readable without dominating rows. */
.btn.btn-danger-ghost {
  background: transparent;
  color: var(--color-error);
  border-color: transparent;
}
.btn.btn-danger-ghost:hover:not(:disabled) {
  background: var(--color-error-light);
  color: var(--color-error);
  border-color: var(--color-error-light);
}

/* Small count pill used inside tabs ("(3) ↑ 2") so update counts are
   glanceable without extra rows of UI. */
.tab-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
}
.tab-pill--warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

/* Stat cards — uniform-height cluster metrics for the Nodes dashboard.
   Left accent bar ties the color to the metric's semantic (success/warning/
   error/primary), icon chip sits top-right, value is left-aligned and
   prominent so you can scan a row of cards without reading labels. */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  min-height: 96px;
  background: var(--color-bg-raised, var(--color-bg-secondary));
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-fast) var(--ease-default),
              box-shadow var(--duration-fast) var(--ease-default),
              border-color var(--duration-fast) var(--ease-default);
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--stat-accent, var(--color-border-subtle));
  transition: background var(--duration-fast) var(--ease-default);
}
.stat-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  border-color: var(--color-border-strong);
}

.stat-card__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.stat-card__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: normal;
  line-height: 1.2;
}
.stat-card__value {
  font-size: var(--text-2xl);
  font-weight: 600;
  font-family: var(--font-mono);
  line-height: 1;
  color: var(--color-text-primary);
  word-break: break-word;
}
.stat-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--stat-accent, var(--color-text-muted)) 12%, transparent);
  color: var(--stat-accent, var(--color-text-muted));
  font-size: var(--text-lg);
  flex-shrink: 0;
}

/* Subtle "Register a new worker" trigger replacing the broken-text chevron
   link. Still opens the same hint card — just reads like a button now. */
.nodes-add-worker {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: transparent;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  margin-bottom: var(--spacing-md);
  transition: background var(--duration-fast) var(--ease-default),
              border-color var(--duration-fast) var(--ease-default),
              color var(--duration-fast) var(--ease-default);
}
.nodes-add-worker:hover {
  background: var(--color-bg-raised, var(--color-bg-secondary));
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}

/* Shared FilterBar layout — search strip + chip row + toggle strip. Lives
   outside the .filter-bar chip row so the padding and wrapping behavior is
   consistent between the Backends gallery and the System tabs. */
.filter-bar-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}
.filter-bar-group__search {
  min-width: 200px;
  flex: 1;
}
.filter-bar-group__row {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
}
.filter-bar-group__right {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
  padding-left: var(--spacing-md);
  border-left: 1px solid var(--color-border-subtle);
  margin-left: auto;
}
.filter-bar-group__toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}
.filter-btn__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 6px;
  min-width: 18px;
  padding: 0 5px;
  background: color-mix(in srgb, currentColor 18%, transparent);
  border-radius: var(--radius-full);
  font-size: 0.625rem;
  font-weight: 600;
}

/* Popover — floating surface anchored to a trigger element. Uses the .card
   base so theming is free, adds z-index + fixed-position + scroll cap so it
   behaves on tables with many rows. Kept deliberately unstyled beyond that
   — content is expected to provide its own header/body structure. */
.popover {
  position: fixed;
  z-index: 200;
  min-width: 260px;
  max-width: min(420px, 95vw);
  max-height: min(420px, 70vh);
  display: flex;
  flex-direction: column;
  padding: 0; /* sections provide their own padding */
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: popoverIn var(--duration-fast) var(--ease-default);
}

@keyframes popoverIn {
  from { opacity: 0; transform: translateY(-4px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.popover__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-subtle);
  font-size: var(--text-sm);
}

.popover__scroll {
  overflow: auto;
  padding: 0;
}

.popover__table {
  margin: 0;
  width: 100%;
}
.popover__table th {
  position: sticky;
  top: 0;
  background: var(--color-bg-raised, var(--color-bg-secondary));
  z-index: 1;
}

/* Inline-table chip trigger — looks like a badge but is a button (cursor,
   focus ring inherited from global :focus-visible). */
.chip-trigger {
  border: none;
  cursor: pointer;
  font-family: inherit;
}
.chip-trigger:hover {
  filter: brightness(1.08);
}

/* Truncate + ellipsize a long cell (e.g. OCI digest) without breaking the
   table layout. Tooltip preserves the full value. */
.cell-truncate {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Compact empty-state used inside expanded drawer sections (e.g. "No
   models loaded on this node"). Dimmer than the page-level .empty-state
   because it lives inside another container and shouldn't compete with
   the row's primary content. */
.drawer-empty {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-tertiary);
  border: 1px dashed var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.drawer-empty > i {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  opacity: 0.8;
}

/* Small caps eyebrow inside the drawer's "Manage" disclosure. Replaces the
   h4 sub-headings that used to stack inside the drawer — at this depth, an
   eyebrow keeps the typographic hierarchy from feeling parallel to the
   page-level h1/h2 stack. */
.drawer-eyebrow {
  font-size: 0.6875rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

/* "Manage" disclosure inside the node drawer. The chevron rotates with the
   open state so the affordance reads as an accordion, not a link. */
.node-manage > summary {
  user-select: none;
  outline: none;
}
.node-manage > summary::-webkit-details-marker {
  display: none;
}
.node-manage > summary:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.node-manage__chevron {
  font-size: 0.625rem;
  transition: transform var(--duration-fast) ease-out;
}
.node-manage[open] > summary .node-manage__chevron {
  transform: rotate(90deg);
}

/* Node-status indicator — replaces the tiny bullet with a proper LED-style
   dot next to a bold status label. Colors are applied inline from statusConfig
   so one primitive handles healthy/unhealthy/draining/pending in one shape. */
.node-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  font-weight: 600;
}
.node-status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  box-shadow: 0 0 0 3px color-mix(in srgb, currentColor 15%, transparent);
  flex-shrink: 0;
}

/* Row-chevron cell — small 20px toggle used in table rows that expand.
   The row itself is still clickable; the chevron provides the visible
   affordance users were missing. */
.row-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  transition: transform var(--duration-fast) var(--ease-default);
}
.row-chevron.is-expanded {
  transform: rotate(90deg);
  color: var(--color-text-primary);
}

/* Upgrade banner — the yellow strip operators see when updates are available.
   Mirrors the gallery so both pages speak the same visual language. */
.upgrade-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-md);
  background: var(--color-warning-light);
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-md);
  color: var(--color-warning);
}
.upgrade-banner__text {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 500;
  font-size: var(--text-sm);
}
.upgrade-banner__actions {
  display: inline-flex;
  gap: var(--spacing-xs);
  align-items: center;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--spacing-md);
}

.tab {
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--duration-fast);
}

.tab:hover {
  color: var(--color-text-primary);
}

.tab-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Tables */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}

/* ResponsiveTable: stack dense tables into label/value cards on narrow screens
   instead of a sideways scroll. Labels come from data-label (mirrored from the
   <thead> by the ResponsiveTable component). */
@media (max-width: 640px) {
  /* Direct-child selectors only: a nested table inside a cell renders normally.
     min-width override defeats any inline min-width set for the desktop layout. */
  .table--responsive { border: none; min-width: 0 !important; }
  .table--responsive > thead { display: none; }
  .table--responsive > tbody > tr {
    display: block;
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    background: var(--color-surface-raised);
    margin: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
  }
  .table--responsive > tbody > tr > td {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    border: none;
    padding: var(--spacing-xs) 0;
    text-align: right;
  }
  .table--responsive > tbody > tr > td[data-label]::before {
    content: attr(data-label);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-align: left;
    margin-right: auto;
  }
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table th {
  text-align: left;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.8125rem;
  border-bottom: 1px solid var(--color-border-subtle);
}

.table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-divider);
  color: var(--color-text-primary);
  transition: background var(--duration-fast) var(--ease-default);
}

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

.table tr:hover td {
  background: var(--color-surface-hover);
}

/* Model checkbox list */
.model-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 200px;
  overflow: auto;
  padding: var(--spacing-xs);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}

.model-list::-webkit-scrollbar {
  width: 6px;
}

.model-list::-webkit-scrollbar-track {
  background: transparent;
}

.model-list::-webkit-scrollbar-thumb {
  background: var(--color-border-default);
  border-radius: var(--radius-full);
}

.model-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 6px var(--spacing-sm);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--duration-fast) var(--ease-default);
  user-select: none;
}

.model-item:hover {
  background: var(--color-primary-light);
}

.model-item.model-item-checked {
  background: var(--color-primary-light);
}

.model-item input[type="checkbox"] {
  display: none;
}

.model-item-check {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--duration-fast) var(--ease-default);
  background: transparent;
}

.model-item:hover .model-item-check {
  border-color: var(--color-primary);
}

.model-item-checked .model-item-check {
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-light);
}

.model-item-checked .model-item-check i {
  color: white;
  font-size: 10px;
  animation: checkPop var(--duration-fast) var(--ease-default);
}

@keyframes checkPop {
  0% { transform: scale(0); }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.model-item-name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-item-checked .model-item-name {
  color: var(--color-primary);
}

/* Collapsible */
.collapsible-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  cursor: pointer;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  user-select: none;
}

.collapsible-header i {
  transition: transform var(--duration-fast);
}

.collapsible-header.open i {
  transform: rotate(90deg);
}

/* Search bar */
.search-bar {
  position: relative;
}

.search-bar .search-icon {
  position: absolute;
  left: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.search-bar .input {
  padding-left: 2rem;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-lg);
}

.pagination-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.8125rem;
  transition: all var(--duration-fast);
}

.pagination-btn:hover:not(:disabled) {
  border-color: var(--color-primary-border);
  color: var(--color-primary);
}

.pagination-btn.active {
  background: var(--color-primary);
  color: var(--color-primary-text);
  border-color: var(--color-primary);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Filter buttons */
.filter-bar {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.filter-btn {
  padding: 6px var(--spacing-md);
  background: var(--color-surface-raised);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  font-family: inherit;
  box-shadow: var(--shadow-subtle);
  transition: all var(--duration-fast);
}

.filter-btn:hover {
  border-color: var(--color-primary-border);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.filter-btn.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary-border);
}

/* Login page */
.login-page {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--color-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.login-card {
  width: 100%;
  max-width: 400px;
  padding: var(--spacing-xl);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-logo {
  width: 56px;
  height: 56px;
  margin-bottom: var(--spacing-md);
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.login-tagline {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-sm);
}

.login-subtitle {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.login-alert {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  margin-bottom: var(--spacing-md);
}

.login-alert-error {
  background: var(--color-error-light);
  color: var(--color-error);
  border: 1px solid var(--color-error-border);
}

.login-alert-success {
  background: var(--color-success-light);
  color: var(--color-success);
  border: 1px solid var(--color-success-border);
}

.login-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border-subtle);
}

.login-footer {
  text-align: center;
  margin-top: var(--spacing-md);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.login-link {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  padding: 0;
  font: inherit;
}

.login-link:hover {
  color: var(--color-primary-hover);
}

.login-token-toggle {
  margin-top: var(--spacing-lg);
  text-align: center;
}

.login-token-toggle > button {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0;
  font: inherit;
  font-size: 0.75rem;
}

.login-token-toggle > button:hover {
  color: var(--color-text-secondary);
}

.login-token-form {
  margin-top: var(--spacing-sm);
}

/* Empty state */
/* Empty state — editorial: eyebrow rule + large mono headline + lede.
   Existing pages pass `icon`, `title`, `text` children into .empty-state as
   nested elements; the rules below re-style each without JSX changes. */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-md);
  text-align: left;
  padding: var(--spacing-3xl) var(--spacing-xl);
  max-width: 640px;
  margin: 0 auto;
  animation: fadeIn var(--duration-slow) var(--ease-spring);
}

/* Center the column within its parent without shrinking type. */
.empty-state > * { max-width: 100%; }

.empty-state-icon {
  font-size: 1.5rem;
  color: var(--color-primary);
  opacity: 0.7;
  margin: 0;
}

.empty-state-title {
  font-family: var(--font-sans);
  font-size: clamp(1.5rem, 3vw, var(--text-3xl));
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin: 0;
  line-height: 1.15;
}

.empty-state-text {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  max-width: 52ch;
  margin: 0;
}

/* Opt-in editorial sub-parts — pages can adopt these class names over time */
.empty-state__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.empty-state__eyebrow::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-border-strong);
}

.empty-state__actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-xs);
}

/* Animations */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes toastSlideIn {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.96) translateY(4px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

@keyframes attentionPulse {
  0%, 100% { opacity: 0.65; }
  50%      { opacity: 1; }
}

@keyframes opsBarBreathe {
  0%, 100% { opacity: 0.85; }
  50%      { opacity: 1; }
}

@keyframes breathingRing {
  0%, 100% { box-shadow: inset 0 0 0 1.5px var(--color-primary-light); }
  50%      { box-shadow: inset 0 0 0 2px var(--color-primary); }
}

@keyframes messageSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes dropdownIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Page route transitions */
.page-transition {
  animation: pageReveal var(--duration-reveal) var(--ease-reveal) both;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  min-width: 0;
}

@keyframes pageReveal {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Orchestrated child stagger - opt-in via .reveal-stagger on a container.
   Each direct child reveals with an incremental delay driven by --reveal-index. */
.reveal-stagger > * {
  animation: pageReveal var(--duration-reveal) var(--ease-reveal) both;
  animation-delay: calc(var(--reveal-index, 0) * 60ms);
}

/* Chat-specific styles */
.chat-layout {
  display: flex;
  flex: 1;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  position: relative;
}

.chat-sidebar {
  width: 260px;
  background: var(--color-bg-secondary);
  border-right: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
  transition: width 200ms ease, opacity 150ms ease;
}
.chat-sidebar.hidden {
  width: 0;
  border-right: none;
  opacity: 0;
  pointer-events: none;
}

.chat-sidebar-header {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

.chat-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-xs);
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-subtle) transparent;
}
.chat-list::-webkit-scrollbar { width: 4px; }
.chat-list::-webkit-scrollbar-track { background: transparent; }
.chat-list::-webkit-scrollbar-thumb {
  background: var(--color-border-subtle);
  border-radius: 2px;
}

.chat-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-left: 3px solid transparent;
  transition: background var(--duration-fast), color var(--duration-fast), border-color var(--duration-fast);
  margin-bottom: 2px;
}

.chat-list-item:hover:not(.active) {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.chat-list-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.chat-list-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chat-list-item-top {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.chat-list-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
  font-size: 0.8125rem;
}

.chat-list-item-time {
  font-size: 0.625rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.chat-list-item-preview {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.3;
}

.chat-list-item-delete {
  opacity: 0;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 2px;
  font-size: 0.75rem;
}

.chat-list-item:hover .chat-list-item-delete {
  opacity: 1;
}

.chat-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  position: relative;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-subtle) transparent;
  transition: padding-top var(--duration-normal) var(--ease-default);
}
.chat-messages::-webkit-scrollbar { width: 6px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }

/* Floating "jump to latest" pill, shown when scrolled away from the bottom. */
.chat-jump-latest {
  position: sticky;
  bottom: 12px;
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  z-index: 5;
  animation: pageReveal var(--duration-fast) var(--ease-default) both;
}
.chat-jump-latest:hover { border-color: var(--color-primary-border); color: var(--color-primary); }
.chat-messages::-webkit-scrollbar-thumb {
  background: var(--color-border-subtle);
  border-radius: 3px;
}
.chat-messages::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-default);
}

.chat-message {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 88%;
  min-width: 0;
  animation: messageSlideIn 250ms ease-out;
}

.chat-message-user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-message-assistant {
  align-self: flex-start;
}

.chat-message-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.chat-message-user .chat-message-avatar {
  background: var(--color-primary);
  color: var(--color-primary-text);
}

/* Assistant gets the left-border accent on the bubble; the avatar is
   visual noise once that accent is in place. */
.chat-message-assistant .chat-message-avatar {
  display: none;
}

.chat-message-bubble {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.chat-message-model {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding-left: 2px;
}

.chat-message-content {
  background: transparent;
  border: none;
  border-left: 2px solid var(--color-border-strong);
  border-radius: 0;
  padding: 0 var(--spacing-md);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  word-break: break-word;
  color: var(--color-text-primary);
}

.chat-message-user .chat-message-content {
  background: var(--color-primary-light);
  color: var(--color-text-primary);
  border: 1px solid var(--color-primary-border);
  border-radius: 16px 4px 16px 16px;
  padding: var(--spacing-sm) var(--spacing-md);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.chat-message-content pre {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  overflow-x: auto;
  margin: var(--spacing-sm) 0;
  font-size: 0.8125rem;
}

/* Code block with a header (language + copy), injected by enhanceCodeBlocks. */
.code-block {
  margin: var(--spacing-sm) 0;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg-primary);
}
.code-block__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px var(--spacing-sm);
  background: var(--color-surface-sunken);
  border-bottom: 1px solid var(--color-border-subtle);
}
.code-block__lang {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}
.code-block .code-copy-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  transition: color var(--duration-fast) var(--ease-default),
              background var(--duration-fast) var(--ease-default);
}
.code-block .code-copy-btn:hover { color: var(--color-text-primary); background: var(--color-bg-hover); }
.code-block .code-copy-btn--ok { color: var(--color-success); }
/* Inner pre sits flush inside the framed block. */
.code-block pre {
  margin: 0 !important;
  border: none !important;
  border-radius: 0 !important;
}

.chat-message-user .chat-message-content pre {
  background: var(--color-surface-sunken);
  border-color: var(--color-border-subtle);
  color: var(--color-text-primary);
}
.chat-message-user .chat-message-content code {
  color: var(--color-text-primary);
}
.chat-message-user .chat-message-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.chat-message-content code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.chat-message-content p {
  margin: var(--spacing-xs) 0;
}

.chat-message-content p:first-child {
  margin-top: 0;
}

.chat-message-content p:last-child {
  margin-bottom: 0;
}

/* Message action buttons */
.chat-message-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity 150ms;
  padding-left: 2px;
}
.chat-message:hover .chat-message-actions {
  opacity: 1;
}
.chat-message-actions button {
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 3px 6px;
  font-size: 0.6875rem;
  border-radius: var(--radius-sm);
  transition: all 150ms;
}
.chat-message-actions button:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-border);
  background: var(--color-primary-light);
}

.chat-message-system {
  align-self: center;
  max-width: 90%;
}
.chat-message-system .chat-message-bubble {
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  font-size: 0.7rem;
  letter-spacing: 0.01em;
  padding: 2px 0;
}
.chat-message-system .chat-message-content {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 2px var(--spacing-sm);
  font-size: 0.7rem;
  line-height: 1.4;
  color: var(--color-text-muted);
}
.chat-message-timestamp {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.chat-input-area {
  padding: var(--spacing-xs) var(--spacing-md) var(--spacing-sm);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-subtle);
}

.chat-input-wrapper {
  display: flex;
  gap: var(--spacing-xs);
  align-items: flex-start;
  flex-wrap: wrap;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: var(--spacing-xs);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}

/* Mode chips (Canvas, MCP) — render at the start of the input wrapper so
   the user sees what's armed for the next message. Compact, low-noise
   when off; subtly highlighted when on. The MCP trigger inherits the
   same look via the nested-selector overrides below. */
.chat-input-modes {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-shrink: 0;
}
.chat-mode-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: 999px;
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--duration-fast), border-color var(--duration-fast), color var(--duration-fast);
}
.chat-mode-chip:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-default);
  color: var(--color-text-secondary);
}
.chat-mode-chip:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}
.chat-mode-chip-on,
.chat-mode-chip-on:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-border);
  color: var(--color-primary);
}
.chat-mode-chip i {
  font-size: 0.7rem;
}
.chat-mode-chip-label {
  line-height: 1;
}
.chat-mode-chip-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 16px;
  padding: 0 5px;
  margin-left: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-primary-text);
  font-size: 0.65rem;
  font-weight: 600;
  cursor: pointer;
  line-height: 1;
}
.chat-mode-chip-count:hover {
  filter: brightness(1.1);
}

/* MCP popover sits above the chip when it's anchored to the input row
   (otherwise it would drop off-screen). */
.chat-input-modes .chat-mcp-dropdown-menu {
  top: auto;
  bottom: calc(100% + 4px);
}

/* When the MCP dropdown lives inside the modes row, make its trigger
   match the chip aesthetic without altering the component itself. */
.chat-input-modes .chat-mcp-dropdown > .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 10px;
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: 999px;
  color: var(--color-text-muted);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  box-shadow: none;
  text-transform: none;
  letter-spacing: 0;
  transition: background var(--duration-fast), border-color var(--duration-fast), color var(--duration-fast);
}
.chat-input-modes .chat-mcp-dropdown > .btn:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-default);
  color: var(--color-text-secondary);
}
.chat-input-modes .chat-mcp-dropdown > .btn .chat-mcp-badge {
  background: var(--color-primary);
  color: var(--color-primary-text);
}
/* Active state when at least one MCP source is selected — UnifiedMCPDropdown
   exposes its count via .chat-mcp-badge, so we use :has() to lift the
   chip into the "on" look. Falls back to the neutral chip look on browsers
   without :has(). */
.chat-input-modes .chat-mcp-dropdown > .btn:has(.chat-mcp-badge),
.chat-input-modes .chat-mcp-dropdown > .btn:has(.chat-mcp-badge):hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-border);
  color: var(--color-primary);
}

@media (max-width: 480px) {
  .chat-mode-chip-label { display: none; }
  .chat-mode-chip,
  .chat-input-modes .chat-mcp-dropdown > .btn {
    padding: 0 8px;
  }
}
.chat-input-wrapper:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-border);
}

.chat-attach-btn {
  flex-shrink: 0;
  border: none !important;
  background: transparent !important;
  color: var(--color-text-muted) !important;
  padding: var(--spacing-xs) !important;
}
.chat-attach-btn:hover {
  color: var(--color-primary) !important;
}

.chat-input {
  flex: 1;
  background: transparent;
  color: var(--color-text-primary);
  border: none;
  padding: 6px var(--spacing-sm);
  font-size: 0.875rem;
  font-family: inherit;
  outline: none;
  resize: none;
  min-height: 32px;
  max-height: 200px;
  line-height: 1.5;
  overflow-y: auto;
  /* Modern auto-grow — JS auto-grow stays as a fallback for older engines. */
  field-sizing: content;
}

.chat-input::placeholder {
  color: var(--color-text-muted);
}

.chat-send-btn {
  padding: var(--spacing-xs);
  background: var(--color-primary);
  color: var(--color-primary-text);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  align-self: flex-start;
  transition: background var(--duration-fast), transform var(--duration-fast);
}

.chat-send-btn:hover:not(:disabled) {
  background: var(--color-primary-hover);
}

.chat-send-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.chat-send-btn:active:not(:disabled) {
  transform: scale(0.92);
}

.chat-stop-btn {
  padding: var(--spacing-xs);
  background: var(--color-error);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  align-self: flex-start;
  transition: background var(--duration-fast);
}
.chat-stop-btn:hover {
  background: var(--color-error-hover, #dc2626);
}

.chat-token-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xs) var(--spacing-lg);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.chat-streaming-cursor::after {
  content: '';
  display: inline-block;
  width: 6px;
  height: 14px;
  background: var(--color-primary);
  margin-left: 2px;
  animation: pulse 1s infinite;
  vertical-align: text-bottom;
}

/* Inline streaming speed indicator */
.chat-streaming-speed {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  padding-top: var(--spacing-xs);
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Thinking dots animation */
.chat-thinking-indicator {
  display: flex;
  align-items: center;
  min-height: 24px;
}
.chat-thinking-dots {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.chat-thinking-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-text-muted);
  animation: thinkingBounce 1.4s infinite ease-in-out both;
}
.chat-thinking-dots span:nth-child(1) { animation-delay: -0.32s; }
.chat-thinking-dots span:nth-child(2) { animation-delay: -0.16s; }
.chat-thinking-dots span:nth-child(3) { animation-delay: 0s; }
@keyframes thinkingBounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* Staging progress indicator (replaces thinking dots during model transfer) */
.chat-staging-progress {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 200px;
  max-width: 320px;
}
.chat-staging-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.chat-staging-label i {
  color: var(--color-primary);
}
.chat-staging-detail {
  display: flex;
  align-items: center;
  gap: 8px;
}
.chat-staging-bar-container {
  flex: 1;
  height: 4px;
  background: var(--color-bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
}
.chat-staging-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width 300ms ease;
}
.chat-staging-pct {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  min-width: 32px;
  text-align: right;
}
.chat-staging-file {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Message completion flash — briefly highlights the last assistant bubble when streaming ends */
@keyframes messageCompletionFlash {
  0% { box-shadow: 0 0 0 0 var(--color-primary-border); }
  40% { box-shadow: 0 0 0 3px var(--color-primary-light); }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.chat-message-new .chat-message-content {
  animation: messageCompletionFlash 600ms ease-out;
}

@media (prefers-reduced-motion: reduce) {
  .chat-message { animation: none; }
  .chat-message-new .chat-message-content { animation: none; }
  .chat-thinking-dots span { animation: none; opacity: 0.7; }
}

/* Chat empty state */
.chat-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: var(--spacing-lg) var(--spacing-md);
  text-align: center;
  min-height: 240px;
  gap: var(--spacing-md);
}
.chat-empty-state > * { margin-top: 0; margin-bottom: 0; }
.chat-empty-icon {
  font-size: 3rem;
  color: var(--color-border-default);
  margin-bottom: var(--spacing-lg);
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-tertiary);
}
.chat-empty-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs);
}
.chat-empty-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-lg);
  max-width: 400px;
}
.chat-empty-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  max-width: 520px;
}
.chat-empty-suggestion {
  padding: 8px var(--spacing-md);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  font-family: inherit;
  color: var(--color-text-secondary);
  cursor: pointer;
  box-shadow: var(--shadow-subtle), var(--shadow-inset-top);
  transition: all var(--duration-fast);
}
.chat-empty-suggestion:hover {
  border-color: var(--color-primary-border);
  color: var(--color-primary);
  background: var(--color-surface-raised);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm), var(--shadow-inset-top);
}
.chat-empty-hints {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}
.chat-empty-hints span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.chat-empty-hints i {
  font-size: 0.625rem;
}

/* Recent strip on the empty state — replaces the old persistent
   conversation sidebar. Visible only while messages.length === 0. */
.chat-recent-strip {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  width: 100%;
  max-width: 720px;
  margin-top: var(--spacing-sm);
}
.chat-recent-strip-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  text-align: left;
}
.chat-recent-strip-kbd {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-subtle);
  text-transform: none;
  letter-spacing: 0;
}
.chat-recent-strip-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--spacing-sm);
}
.chat-recent-strip-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--duration-fast), background var(--duration-fast), transform var(--duration-fast);
}
.chat-recent-strip-item:hover {
  border-color: var(--color-primary-border);
  background: var(--color-surface-raised);
  transform: translateY(-1px);
}
.chat-recent-strip-item-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chat-recent-strip-item-preview {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.chat-recent-strip-item-time {
  font-size: 0.6875rem;
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

/* ChatsMenu — popover replacing the old persistent history sidebar. */
.chats-menu {
  position: relative;
  display: inline-block;
  flex-shrink: 0;
}
.chats-menu-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}
.chats-menu-trigger.active {
  background: var(--color-primary-light);
  border-color: var(--color-primary-border);
  color: var(--color-primary);
}
.chats-menu-trigger-label {
  font-weight: 500;
}
.chats-menu-trigger-kbd {
  display: none;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-subtle);
}
@media (min-width: 640px) {
  .chats-menu-trigger-kbd { display: inline-block; }
}
.chats-menu-popover {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 100;
  width: 320px;
  max-width: calc(100vw - var(--spacing-md) * 2);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  max-height: min(70vh, 520px);
  animation: dropdownIn 120ms ease-out;
}
.chats-menu-search {
  position: relative;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-divider);
}
.chats-menu-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  pointer-events: none;
}
.chats-menu-search-input {
  width: 100%;
  padding: 6px 26px 6px 28px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--color-text-primary);
  outline: none;
  transition: border-color var(--duration-fast);
}
.chats-menu-search-input:focus {
  border-color: var(--color-primary-border);
}
.chats-menu-search-clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 2px;
}
.chats-menu-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-xs);
  scrollbar-width: thin;
}
.chats-menu-empty {
  padding: var(--spacing-md);
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}
.chats-menu-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-left: 2px solid transparent;
  transition: background var(--duration-fast), color var(--duration-fast), border-color var(--duration-fast);
}
.chats-menu-item.highlighted {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}
.chats-menu-item.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: var(--color-primary-light);
}
.chats-menu-item-icon {
  font-size: 0.7rem;
  margin-top: 4px;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}
.chats-menu-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.chats-menu-item-top {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}
.chats-menu-item-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
  font-size: 0.8125rem;
}
.chats-menu-item-spin {
  margin-right: 6px;
  font-size: 0.7rem;
  opacity: 0.7;
}
.chats-menu-item-time {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.chats-menu-item-preview {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.3;
}
.chats-menu-item-rename {
  flex: 1;
  font-size: 0.8125rem;
  padding: 2px 4px;
}
.chats-menu-item-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity var(--duration-fast);
  flex-shrink: 0;
}
.chats-menu-item:hover .chats-menu-item-actions,
.chats-menu-item.highlighted .chats-menu-item-actions {
  opacity: 1;
}
.chats-menu-item-actions button {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 2px 4px;
  font-size: 0.7rem;
  border-radius: var(--radius-sm);
}
.chats-menu-item-actions button:hover {
  color: var(--color-text-primary);
  background: var(--color-bg-tertiary);
}
.chats-menu-item-actions .chats-menu-item-delete:hover {
  color: var(--color-error);
}
.chats-menu-footer {
  display: flex;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs);
  border-top: 1px solid var(--color-border-divider);
}
.chats-menu-new {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

/* Mobile: popover becomes a full-width drawer anchored under the header. */
@media (max-width: 639px) {
  .chats-menu-popover {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    border-radius: 0;
    border-left: none;
    border-right: none;
    max-height: calc(100dvh - 56px);
  }
}

/* Settings drawer — Manage mode toggle row at the top */
.chat-settings-toggle-row {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border-divider);
  margin-bottom: var(--spacing-sm);
}
.chat-settings-toggle-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.chat-settings-toggle-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}
.chat-settings-toggle-title i {
  color: var(--color-accent);
  font-size: 0.8rem;
}
.chat-settings-toggle-desc {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Settings drawer — destructive action area at the bottom */
.chat-settings-danger-zone {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-divider);
}
.chat-settings-danger-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  width: 100%;
  justify-content: center;
  padding: 8px var(--spacing-md);
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-error);
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--duration-fast), border-color var(--duration-fast);
}
.chat-settings-danger-btn:hover {
  background: rgba(220, 38, 38, 0.08);
  border-color: var(--color-error);
}

/* Activity group (thinking + tools collapsed into one line) */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.chat-activity-group {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border-left: 2px solid var(--color-border-subtle);
}
.chat-activity-streaming {
  border-left-color: var(--color-primary);
}
.chat-activity-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: 6px 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  color: var(--color-text-muted);
  transition: color 150ms;
  width: 100%;
  text-align: left;
}
.chat-activity-toggle:hover {
  color: var(--color-text-secondary);
}
.chat-activity-toggle i {
  font-size: 0.5rem;
  flex-shrink: 0;
  opacity: 0.4;
}
.chat-activity-summary {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.7rem;
  letter-spacing: 0.01em;
}
.chat-activity-count {
  display: inline-block;
  margin-left: 6px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--color-bg-tertiary);
  font-size: 0.6rem;
  color: var(--color-text-muted);
}
.chat-activity-shimmer {
  background: linear-gradient(
    90deg,
    var(--color-text-muted) 0%,
    var(--color-text-muted) 40%,
    var(--color-primary) 50%,
    var(--color-text-muted) 60%,
    var(--color-text-muted) 100%
  );
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 3s ease-in-out infinite;
}
.chat-activity-details {
  display: flex;
  flex-direction: column;
  padding: 2px 0 6px;
  min-width: 0;
  overflow: hidden;
}
.chat-activity-item {
  padding: 3px 12px;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 1px;
  border-left: 2px solid transparent;
  margin-left: -2px;
  min-width: 0;
  overflow: hidden;
}
.chat-activity-item-label {
  font-size: 0.575rem;
  font-weight: 600;
  color: var(--color-text-muted);
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.chat-activity-item-text {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  word-break: break-word;
  white-space: pre-wrap;
}
.chat-activity-item-content {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  max-height: 200px;
  overflow-y: auto;
  overflow-x: hidden;
  line-height: 1.5;
  word-break: break-word;
  overflow-wrap: anywhere;
  min-width: 0;
}
.chat-activity-item-content.chat-activity-live {
  max-height: 300px;
}
.chat-activity-item-content p { margin: 0 0 4px; }
.chat-activity-item-content p:last-child { margin-bottom: 0; }
.chat-activity-item-content pre {
  background: var(--color-bg-tertiary);
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-size: 0.75rem;
  white-space: pre-wrap;
  word-break: break-word;
}
.chat-activity-item-content code {
  word-break: break-word;
  overflow-wrap: anywhere;
}
.chat-activity-item-code {
  margin: 2px 0 0;
  font-size: 0.65rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--color-text-muted);
  max-height: 120px;
  overflow-y: auto;
}
.chat-activity-item-code code {
  font-family: var(--font-mono);
  font-size: 0.65rem;
}
.chat-activity-params {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-top: 2px;
}
.chat-activity-param {
  display: flex;
  gap: 6px;
  font-size: 0.675rem;
  line-height: 1.4;
  word-break: break-word;
}
.chat-activity-param-key {
  color: var(--color-text-muted);
  flex-shrink: 0;
  opacity: 0.7;
}
.chat-activity-param-val {
  color: var(--color-text-secondary);
  white-space: pre-wrap;
  word-break: break-word;
  min-width: 0;
}
.chat-activity-param-val-long {
  max-height: 80px;
  overflow-y: auto;
}
.chat-activity-thinking {
  border-left-color: var(--color-info-border);
}
.chat-activity-tool-call {
  border-left-color: var(--color-warning-border);
}
.chat-activity-tool-result {
  border-left-color: var(--color-success-border);
}

/* Context window progress bar */
.chat-context-bar {
  position: relative;
  height: 18px;
  background: var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-border-subtle);
  overflow: hidden;
}
.chat-context-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  transition: width 300ms ease;
  opacity: 0.3;
}
.chat-context-label {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 0.625rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Chat header */
.chat-header {
  padding: var(--spacing-xs) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: var(--color-bg-secondary);
  flex-shrink: 0;
  min-height: 40px;
}
.chat-header-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 0 1 auto;
  min-width: 0;
}
.chat-header-shield {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--color-accent);
  background: var(--color-accent-light);
  flex-shrink: 0;
}
.chat-header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-shrink: 0;
}
.chat-header-actions .btn-secondary.active {
  background: var(--color-primary-light);
  border-color: var(--color-primary-border);
  color: var(--color-primary);
}

/* Focus mode: once a conversation is underway, fade non-essential
   header chrome and pull the messages padding tighter. Hover or focus
   on the header brings everything back; Esc removes focus mode for the
   rest of the session. */
.chat--focus .chat-header-title,
.chat--focus .chat-header-shield {
  opacity: 0.45;
  transition: opacity var(--duration-normal) var(--ease-default);
}
.chat--focus .chat-header:hover .chat-header-title,
.chat--focus .chat-header:hover .chat-header-shield,
.chat--focus .chat-header:focus-within .chat-header-title,
.chat--focus .chat-header:focus-within .chat-header-shield {
  opacity: 1;
}
.chat--focus .chat-messages {
  padding-top: var(--spacing-sm);
}
@media (prefers-reduced-motion: reduce) {
  .chat--focus .chat-header-title,
  .chat--focus .chat-header-shield,
  .chat-messages { transition: none; }
}
/* Chat MCP dropdown */
.chat-mcp-dropdown {
  position: relative;
  display: inline-block;
}
.chat-mcp-dropdown .btn {
  display: flex;
  align-items: center;
  gap: 5px;
}
.chat-mcp-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: rgba(255,255,255,0.25);
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1;
}
.chat-mcp-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  z-index: 100;
  min-width: 240px;
  max-height: 320px;
  overflow-y: auto;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  animation: dropdownIn 120ms ease-out;
}
.chat-mcp-dropdown-loading,
.chat-mcp-dropdown-empty {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}
.chat-mcp-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xs) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-divider);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.chat-mcp-select-all {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.75rem;
  color: var(--color-accent);
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
}
.chat-mcp-select-all:hover {
  text-decoration: underline;
}
.chat-mcp-server-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--spacing-xs) var(--spacing-md);
  cursor: pointer;
  transition: background 120ms;
}
.chat-mcp-server-item:hover {
  background: var(--color-bg-hover);
}
.chat-mcp-server-item input[type="checkbox"] {
  flex-shrink: 0;
}
.chat-mcp-server-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}
.chat-mcp-server-name {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-mcp-server-tools {
  font-size: 0.7rem;
  color: var(--color-text-tertiary);
}

/* Client MCP status indicators */
.chat-client-mcp-status {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--color-text-tertiary);
}
.chat-client-mcp-status-connected {
  background: var(--color-success);
}
.chat-client-mcp-status-connecting {
  background: var(--color-warning);
  animation: pulse 1s infinite;
}
.chat-client-mcp-status-error {
  background: var(--color-error);
}
.chat-client-mcp-status-disconnected {
  background: var(--color-text-tertiary);
}

/* Chat model info panel */
.chat-model-info-panel {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border-subtle);
  animation: fadeIn 150ms ease;
}
.chat-model-info-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border-divider);
}
.chat-model-info-body {
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 200px;
  overflow-y: auto;
}
.chat-model-info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  padding: 2px 0;
}
.chat-model-info-row > span:first-child {
  color: var(--color-text-secondary);
  font-weight: 500;
}
.chat-model-info-row > span:last-child {
  color: var(--color-text-primary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: right;
}

/* Settings drawer */
.chat-settings-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms;
}
.chat-settings-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.chat-settings-drawer {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  max-width: 90%;
  background: var(--color-bg-secondary);
  border-left: 1px solid var(--color-border-subtle);
  z-index: 11;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 250ms var(--ease-default);
  box-shadow: var(--shadow-lg);
  will-change: transform;
}
.chat-settings-drawer.open {
  transform: translateX(0);
}
.chat-settings-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-subtle);
  font-weight: 600;
  font-size: 0.875rem;
}
.chat-settings-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* Chat search */
.chat-search-wrapper {
  position: relative;
  margin-bottom: var(--spacing-xs);
}
.chat-search-icon {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 0.7rem;
  pointer-events: none;
}
.chat-search-input {
  width: 100%;
  padding: 5px 24px 5px 26px;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  color: var(--color-text-primary);
  outline: none;
  transition: border-color 150ms;
}
.chat-search-input:focus {
  border-color: var(--color-primary-border);
}
.chat-search-input::placeholder {
  color: var(--color-text-muted);
}
.chat-search-clear {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 0.7rem;
  padding: 2px;
}

/* Chat list item actions */
.chat-list-item-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity 150ms;
  flex-shrink: 0;
}
.chat-list-item:hover .chat-list-item-actions {
  opacity: 1;
}
.chat-list-item-actions button {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 2px;
  font-size: 0.7rem;
}
.chat-list-item-actions button:hover {
  color: var(--color-text-primary);
}
.chat-list-item-actions .chat-list-item-delete:hover {
  color: var(--color-error);
}

/* Max tokens/sec badge */
.chat-max-tps-badge {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-primary);
  padding: 1px 6px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.7rem;
}

/* Slider styles */
.chat-slider {
  width: 100%;
  height: 4px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--color-border-default);
  border-radius: 2px;
  outline: none;
}
.chat-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
}
.chat-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: none;
}
.chat-slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.625rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Message inline files */
.chat-message-files {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-top: var(--spacing-xs);
}
.chat-file-inline {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  background: color-mix(in oklab, currentColor 12%, transparent);
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  color: var(--color-text-secondary);
}
.chat-inline-image {
  max-width: 200px;
  max-height: 200px;
  border-radius: var(--radius-md);
  margin-top: var(--spacing-xs);
}

.chat-files {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  padding: var(--spacing-xs) var(--spacing-lg);
}

.chat-file-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  max-width: 220px;
}
/* Image attachments preview as a thumbnail instead of a bare icon. */
.chat-file-badge--image {
  padding: 3px 8px 3px 3px;
  border-radius: var(--radius-lg);
}
.chat-file-thumb {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.chat-file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-file-badge button {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0;
  font-size: 0.625rem;
}

/* Studio tabs */
.studio-tabs {
  display: flex;
  gap: var(--spacing-xs);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: var(--spacing-sm) var(--spacing-xl) 0;
  background: var(--color-bg-primary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.studio-tab {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: none;
  border: none;
  padding: 10px var(--spacing-md);
  font-size: var(--text-sm);
  font-family: inherit;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}

.studio-tab:hover {
  color: var(--color-text-primary);
}

.studio-tab-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* Two-column layout for media generation pages */
.media-layout {
  display: grid;
  grid-template-columns: minmax(320px, 420px) 1fr;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  max-width: var(--page-max-default);
  margin: 0 auto;
  width: 100%;
  align-items: start;
}

@media (max-width: 900px) {
  .media-layout {
    grid-template-columns: 1fr;
  }
}

.media-controls {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-subtle);
  position: sticky;
  top: var(--spacing-lg);
}
.media-controls .form-group {
  margin-bottom: var(--spacing-md);
}
.media-controls .form-grid-2col,
.media-controls .form-grid-3col {
  margin-bottom: var(--spacing-md);
}
.media-controls .form-grid-2col .form-group,
.media-controls .form-grid-3col .form-group {
  margin-bottom: 0;
}

.media-controls .page-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-divider);
}

.media-controls .page-title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.media-controls .page-title i {
  color: var(--color-accent);
}

.media-preview {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.media-result {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-result img,
.media-result video {
  max-width: 100%;
  border-radius: var(--radius-md);
}

.media-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  width: 100%;
}

/* Clickable result thumbnail (opens the lightbox). */
.media-result-thumb {
  position: relative;
  display: block;
  padding: 0;
  border: none;
  background: none;
  cursor: zoom-in;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.media-result-thumb img {
  display: block;
  width: 100%;
  border-radius: var(--radius-md);
}
.media-result-thumb__zoom {
  position: absolute;
  top: var(--spacing-xs);
  right: var(--spacing-xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-overlay);
  color: var(--color-text-primary);
  font-size: var(--text-xs);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-default);
}
.media-result-thumb:hover .media-result-thumb__zoom,
.media-result-thumb:focus-visible .media-result-thumb__zoom { opacity: 1; }

/* Fullscreen image lightbox. */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  background: var(--color-modal-backdrop);
  animation: fadeIn var(--duration-fast) var(--ease-default);
}
.lightbox__img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}
.lightbox__toolbar {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.lightbox__count { color: var(--color-text-secondary); font-size: var(--text-sm); margin-right: var(--spacing-xs); }
.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-full);
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
  cursor: pointer;
  box-shadow: var(--shadow-md);
}
.lightbox__nav:hover { border-color: var(--color-primary-border); color: var(--color-primary); }
.lightbox__nav--prev { left: var(--spacing-lg); }
.lightbox__nav--next { right: var(--spacing-lg); }

/* Generation progress: shimmer placeholder tiles + elapsed time. */
.gen-progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  width: 100%;
}
.gen-progress__tiles {
  display: grid;
  gap: var(--spacing-sm);
  width: 100%;
  max-width: 520px;
}
.gen-progress__tiles--n1 { grid-template-columns: 1fr; }
.gen-progress__tiles--n2,
.gen-progress__tiles--n3,
.gen-progress__tiles--n4 { grid-template-columns: repeat(2, 1fr); }
.gen-progress__tile {
  width: 100%;
  aspect-ratio: 1 / 1;
  height: auto;
  border-radius: var(--radius-md);
}
.gen-progress__status {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}
.gen-progress__time { color: var(--color-text-muted); }

/* Talk voice visualizer: status-tinted frequency bars. */
.voice-viz {
  display: block;
  width: 100%;
  height: 88px;
  margin-bottom: var(--spacing-md);
  --viz-color: var(--color-text-muted);
  transition: opacity var(--duration-normal) var(--ease-default);
}
.voice-viz--disconnected { --viz-color: var(--color-text-disabled); opacity: 0.55; }
.voice-viz--connected { --viz-color: var(--color-primary); }
.voice-viz--listening { --viz-color: var(--color-success); }
.voice-viz--speaking { --viz-color: var(--color-accent); }
.voice-viz--error { --viz-color: var(--color-error); }

/* Media generation history */
.media-history {
  margin-top: var(--spacing-md);
}

.media-history-clear-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 2px 6px;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast);
}

.media-history-clear-btn:hover {
  color: var(--color-danger);
}

.media-history-list {
  max-height: 400px;
  overflow-y: auto;
  padding: var(--spacing-xs) 0;
}

.media-history-empty {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  padding: var(--spacing-md);
}

.media-history-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  transition: background var(--duration-fast), transform var(--duration-fast);
  margin-bottom: 2px;
}

.media-history-item:hover {
  background: var(--color-primary-light);
  transform: translateX(2px);
}

.media-history-item.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.media-history-item-thumb {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.media-history-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-history-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.media-history-item-top {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.media-history-item-prompt {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
  font-size: 0.8125rem;
}

.media-history-item-time {
  font-size: 0.625rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.media-history-item-model {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.3;
}

.media-history-item-delete {
  opacity: 0;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 2px;
  font-size: 0.75rem;
  transition: opacity var(--duration-fast);
}

.media-history-item:hover .media-history-item-delete {
  opacity: 1;
}

.media-history-item-delete:hover {
  color: var(--color-danger);
}

/* ============================================================
   Responsive
   ------------------------------------------------------------
   Three viewport tiers, expressed as cascading media queries:

   * desktop  (≥1024px) — full sidebar, content margin-left = sidebar-width
   * tablet   (640–1023) — 52px icon rail; tap hamburger to overlay-expand
   * mobile   (<640px)  — sidebar slides off-screen behind a top-bar drawer

   Touch-target minimums apply across both tablet and mobile via the
   first (max-width: 1023px) block.
   ============================================================ */

/* Touch-friendly sizing + shared layout simplifications (tablet + mobile) */
@media (max-width: 1023px) {
  .hamburger-btn {
    min-width: 44px;
    min-height: 44px;
    padding: 10px 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-item {
    min-height: 44px;
  }

  .sidebar-close-btn {
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 10px;
  }

  .mobile-header {
    min-height: 56px;
  }

  /* Layouts that need to collapse to single-column on any narrow viewport */
  .chat-sidebar { display: none; }
  .chat-settings-drawer {
    width: 100%;
    max-width: 100%;
  }
  .media-layout { grid-template-columns: 1fr; }
  .media-controls { position: static; }
  .page { padding: var(--spacing-md); }

  /* The desktop collapse chevron is desktop-only — tablets auto-rail,
     mobile uses the hamburger. */
  .sidebar-collapse-btn { display: none; }
}

/* Tablet (640–1023): persistent icon rail; tap hamburger to overlay-expand */
@media (max-width: 1023px) and (min-width: 640px) {
  .main-content,
  .sidebar-is-collapsed .main-content {
    margin-left: var(--sidebar-width-collapsed);
  }

  .mobile-header { display: none; }

  .sidebar {
    width: var(--sidebar-width-collapsed);
    transform: translateX(0);
  }
  .sidebar.collapsed { width: var(--sidebar-width-collapsed); }

  /* Apply collapsed visuals while not pinned-open. These mirror the
     existing .sidebar.collapsed desktop rules so we re-use one look. */
  .sidebar:not(.open) .nav-label,
  .sidebar:not(.open) .nav-external,
  .sidebar:not(.open) .sidebar-section-title,
  .sidebar:not(.open) .sidebar-section-chevron { display: none; }
  .sidebar:not(.open) .sidebar-logo-link { display: none; }
  .sidebar:not(.open) .sidebar-logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
  }
  .sidebar:not(.open) .sidebar-header { justify-content: center; }
  .sidebar:not(.open) .nav-item {
    justify-content: center;
    padding: 8px 0;
    border-left-width: 2px;
  }
  .sidebar:not(.open) .nav-icon { width: auto; font-size: 1rem; }
  .sidebar:not(.open) .sidebar-footer {
    justify-content: center;
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  .sidebar:not(.open) .sidebar-user-name,
  .sidebar:not(.open) .sidebar-logout-btn { display: none; }
  /* Center the avatar in the icon rail (mirrors .sidebar.collapsed, which
     isn't necessarily present in the tablet :not(.open) state). */
  .sidebar:not(.open) .sidebar-user { justify-content: center; }
  .sidebar:not(.open) .sidebar-user-link { flex: 0; margin: 0; padding: 2px; }

  /* Pinned open: overlay the full sidebar on top of content */
  .sidebar.open {
    width: var(--sidebar-width);
    box-shadow: var(--shadow-md);
  }

  .sidebar-close-btn { display: none; }
  .sidebar.open .sidebar-close-btn { display: flex; }

  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 40;
  }
}

/* Mobile (<640): sidebar slides off-screen as a drawer */
@media (max-width: 639px) {
  .main-content,
  .sidebar-is-collapsed .main-content {
    margin-left: 0;
  }

  .mobile-header { display: flex; }

  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width);
  }
  .sidebar.collapsed { width: var(--sidebar-width); }
  .sidebar.open { transform: translateX(0); }

  .sidebar-close-btn { display: flex; }

  /* When opened on mobile, even if the .collapsed class is present
     from desktop preference, force the expanded look — drawer always
     shows full labels. */
  .sidebar.collapsed .nav-label,
  .sidebar.collapsed .nav-external,
  .sidebar.collapsed .sidebar-section-title { display: unset; }
  .sidebar.collapsed .sidebar-logo-link { display: block; }
  .sidebar.collapsed .sidebar-logo-icon { display: none; }
  .sidebar.collapsed .nav-item {
    justify-content: flex-start;
    padding: 10px var(--spacing-md);
    border-left-width: 3px;
  }
  .sidebar.collapsed .nav-icon {
    width: 18px;
    font-size: 0.85rem;
  }
  .sidebar.collapsed .sidebar-header { justify-content: space-between; }

  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 40;
  }
}

/* Mobile reflow polish — phone-only (<640) layout adjustments for
   page chrome that was designed flex-row on desktop. */
@media (max-width: 639px) {
  /* Page header: stack title block + inline-action cluster vertically */
  .page-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-md);
  }

  /* Filter chip rows scroll horizontally instead of wrapping into walls */
  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .filter-bar::-webkit-scrollbar { display: none; }
  .filter-btn { flex-shrink: 0; }

  .search-bar { min-width: 0; }

  /* Tables go edge-to-edge; offsetting against .page padding gives full
     bleed without changing the table layout itself. */
  .table-container {
    border-radius: 0;
    border-left: 0;
    border-right: 0;
    margin-inline: calc(-1 * var(--spacing-md));
  }

  /* Operations toasts: scroll horizontally instead of wrapping */
  .operations-bar {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .operation-item { flex-shrink: 0; }
  .operation-text {
    max-width: 60vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* Reduced motion — disable non-essential transitions for users who
   request it. Keeps focus/state changes accessible without animation. */
@media (prefers-reduced-motion: reduce) {
  .sidebar,
  .page-transition,
  .operations-bar,
  .page,
  .main-content {
    transition: none !important;
    animation: none !important;
  }
}

/* Canvas panel */
.canvas-panel {
  position: relative;
  width: 45%;
  max-width: 720px;
  flex-shrink: 0;
  border-left: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  background: var(--color-bg-primary);
  overflow: hidden;
  animation: canvasSlideIn var(--duration-reveal) var(--ease-reveal) both;
}
@keyframes canvasSlideIn {
  from { opacity: 0; transform: translateX(24px); }
  to   { opacity: 1; transform: translateX(0); }
}
/* Drag-to-resize handle on the panel's left edge. */
.canvas-resize-handle {
  position: absolute;
  top: 0;
  left: -3px;
  width: 7px;
  height: 100%;
  cursor: col-resize;
  z-index: 2;
  background: transparent;
  transition: background var(--duration-fast) var(--ease-default);
}
.canvas-resize-handle:hover,
.canvas-resize-handle:active {
  background: var(--color-primary-light);
}
/* On narrow screens the canvas takes the full width; no edge-drag resize. */
@media (max-width: 1024px) {
  .canvas-resize-handle { display: none; }
  .canvas-panel { width: 100% !important; max-width: none !important; }
}
.canvas-header-actions { display: inline-flex; gap: var(--spacing-xs); }
/* Fullscreen: the canvas covers the viewport. */
.canvas-panel--fullscreen {
  position: fixed;
  inset: 0;
  width: 100% !important;
  max-width: none !important;
  z-index: 60;
  border-left: none;
}
.canvas-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-subtle);
  gap: var(--spacing-sm);
  flex-shrink: 0;
}
.canvas-panel-title {
  font-weight: 600;
  font-size: 0.875rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.canvas-panel-tabs {
  overflow-x: auto;
  display: flex;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-subtle);
  flex-shrink: 0;
  scrollbar-width: thin;
}
.canvas-panel-tab {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all 150ms;
}
.canvas-panel-tab:hover { border-color: var(--color-border-default); }
.canvas-panel-tab.active {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.canvas-panel-tab span {
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.canvas-panel-toolbar {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-subtle);
  flex-shrink: 0;
}
.canvas-toggle-group {
  display: flex;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.canvas-toggle-btn {
  padding: 2px 10px;
  font-size: 0.75rem;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 150ms;
}
.canvas-toggle-btn.active {
  background: var(--color-primary);
  color: var(--color-primary-text);
}
.canvas-panel-body {
  flex: 1;
  overflow: auto;
  padding: var(--spacing-md);
  min-height: 0;
}
.canvas-panel-body pre {
  margin: 0;
  font-size: 0.8125rem;
}

/* Artifact card (inline in messages) */
.artifact-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--color-bg-tertiary);
  margin: var(--spacing-sm) 0;
  transition: border-color 150ms;
}
.artifact-card:hover {
  border-color: var(--color-primary);
}
.artifact-card-icon {
  font-size: 1.1rem;
  color: var(--color-primary);
  flex-shrink: 0;
}
.artifact-card-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.artifact-card-title {
  font-weight: 600;
  font-size: 0.8125rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.artifact-card-lang {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}
.artifact-card-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}
.artifact-card-actions button {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  transition: all 150ms;
}
.artifact-card-actions button:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Resource cards (below agent messages) */
.resource-cards {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xs);
}
.resource-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  background: var(--color-bg-secondary);
  transition: border-color 150ms;
}
.resource-card:hover {
  border-color: var(--color-primary);
}
.resource-card-thumb {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}
.resource-card-label {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.resource-cards-more {
  background: none;
  border: 1px dashed var(--color-border-default);
  border-radius: var(--radius-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  cursor: pointer;
}
.resource-cards-more:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Canvas preview types */
.canvas-preview-iframe {
  width: 100%;
  min-height: 600px;
  height: calc(100vh - 200px);
  border: none;
  background: white;
  border-radius: var(--radius-md);
}
.canvas-preview-image {
  max-width: 100%;
  border-radius: var(--radius-md);
}
.canvas-preview-svg {
  display: flex;
  justify-content: center;
  padding: var(--spacing-md);
}
.canvas-preview-svg svg {
  max-width: 100%;
  height: auto;
}
.canvas-preview-markdown {
  padding: var(--spacing-sm);
}
.canvas-audio-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
}
.canvas-audio-icon {
  font-size: 2rem;
  color: var(--color-primary);
}
.canvas-url-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
}
.canvas-url-card a {
  color: var(--color-primary);
  word-break: break-all;
}

/* Canvas mode toggle */
.canvas-mode-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}
.canvas-mode-toggle .canvas-mode-label {
  font-weight: 500;
  cursor: pointer;
}
.canvas-mode-toggle .toggle {
  transform: scale(0.8);
}

@media (max-width: 768px) {
  .canvas-panel {
    position: fixed;
    inset: 0;
    width: 100%;
    z-index: 50;
  }
}

@media (max-width: 640px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--spacing-xs);
  }

  .chat-header {
    flex-wrap: wrap;
  }

  .chat-header-title {
    max-width: 120px;
  }

  .chat-empty-hints {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .chat-empty-suggestions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* MCP App Frame */
.mcp-app-frame-container {
  width: 100%;
  margin: var(--spacing-sm) 0;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
}

.mcp-app-iframe {
  width: 100%;
  border: none;
  display: block;
  min-height: 100px;
  max-height: 600px;
  transition: height 0.2s ease;
  background: var(--color-bg-primary);
}

.mcp-app-error {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-danger, #e53e3e);
  font-size: 0.85rem;
}

.mcp-app-reconnect-overlay {
  padding: var(--spacing-sm);
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-subtle);
}

/* Confirm Dialog */
.confirm-dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-modal-backdrop);
  backdrop-filter: blur(4px);
  animation: fadeIn var(--duration-normal) var(--ease-spring);
}
.confirm-dialog {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  max-width: 420px;
  width: 90%;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  animation: popIn var(--duration-slow) var(--ease-spring);
  will-change: transform, opacity;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.confirm-dialog-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}
.confirm-dialog-danger-icon {
  color: var(--color-error);
  font-size: 1.125rem;
}
.confirm-dialog-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}
.confirm-dialog-body {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.5;
}
.confirm-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}
.confirm-dialog-actions .btn-danger {
  background: var(--color-error);
  color: var(--color-text-inverse);
  border: 1px solid var(--color-error);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), var(--shadow-inset-hi);
}
.confirm-dialog-actions .btn-danger:hover:not(:disabled) {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

/* Home page */
.home-page {
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: center;
  gap: var(--space-section);
  max-width: var(--page-max-medium);
  margin: 0 auto;
  padding: var(--space-section) var(--spacing-lg);
  width: 100%;
}
.home-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}
.home-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-eyebrow);
}
.home-greeting {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 1.4rem + 3vw, var(--text-4xl));
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: var(--spacing-xs) 0 0;
}
.home-status-line {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}
.home-hero {
  text-align: center;
  padding: var(--spacing-sm) 0 var(--spacing-md);
}
.home-logo {
  width: 72px;
  height: auto;
  margin: 0 auto;
  display: block;
}

/* Home resource bar - prominent */
.home-resource-bar {
  width: 100%;
  max-width: 420px;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
}
.home-resource-bar-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}
.home-resource-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}
.home-resource-pct {
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: var(--font-weight-medium);
  font-size: var(--text-xs);
}
.home-resource-track {
  width: 100%;
  height: 6px;
  background: var(--color-surface-sunken);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.home-resource-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 500ms ease;
}
.home-cluster-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
}
.home-cluster-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  display: inline-block;
}

/* Home assistant CTA — a self-explanatory entry point for the in-process
   admin tool surface. Distinct from the chat composer below it; uses the
   accent token + a subtle gradient so it reads as a primary action without
   looking AI-slop generative. */
.home-assistant-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  width: 100%;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-xl);
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--color-text);
  transition: background-color 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}
.home-assistant-card:hover {
  background: var(--color-accent-light, var(--color-surface-hover));
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.home-assistant-card:active {
  transform: translateY(0);
}
.home-assistant-icon {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-on-accent, #ffffff);
  font-size: 1.1rem;
}
.home-assistant-text {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.home-assistant-title {
  font-weight: 600;
  font-size: 1rem;
}
.home-assistant-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}
.home-assistant-cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-accent);
  white-space: nowrap;
}
@media (max-width: 600px) {
  .home-assistant-card {
    flex-wrap: wrap;
  }
  .home-assistant-cta {
    flex-basis: 100%;
    justify-content: flex-end;
  }
}

/* Home chat card */
.home-chat-card {
  width: 100%;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}
.home-model-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}
.home-file-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}
.home-file-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}
.home-file-tag button {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0;
  font-size: 0.625rem;
}
.home-file-tag button:hover {
  color: var(--color-error);
}

/* Home input container */
.home-input-container {
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.home-input-container:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.home-textarea {
  width: 100%;
  background: transparent;
  color: var(--color-text-primary);
  border: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--spacing-md);
  font-size: var(--text-base);
  font-family: inherit;
  outline: none;
  resize: none;
  min-height: 84px;
  line-height: var(--leading-normal);
}
.home-textarea::placeholder {
  color: var(--color-text-muted);
}
.home-input-footer {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm) var(--spacing-xs) var(--spacing-md);
  border-top: 1px solid var(--color-border-divider);
}
.home-attach-buttons {
  display: flex;
  gap: 2px;
}
.home-attach-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 6px 8px;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  transition: color var(--duration-fast), background var(--duration-fast);
}
.home-attach-btn:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.home-input-hint {
  flex: 1;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}
.home-send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--color-primary);
  color: var(--color-primary-text);
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background var(--duration-fast), transform 100ms, box-shadow var(--duration-fast);
  flex-shrink: 0;
}
.home-send-btn:hover:not(:disabled) {
  background: var(--color-primary-hover);
  transform: scale(1.05);
}
.home-send-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.home-send-btn:active:not(:disabled) {
  transform: scale(0.92);
}

/* Home quick links */
.home-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}
.home-link-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 8px var(--spacing-md);
  background: var(--color-surface-raised);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-subtle);
  transition: all var(--duration-fast);
}
.home-link-btn:hover {
  border-color: var(--color-primary-border);
  color: var(--color-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
/* Quiet variant: a deliberately understated link (e.g. Documentation) so the
   quick-links row keeps a single clear primary action. */
.home-link-btn--quiet { opacity: 0.8; }

/* Home loaded models */
.home-loaded {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.home-loaded-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}
.home-loaded-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 6px 3px 10px;
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-divider);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
}
.home-loaded-item button {
  background: none;
  border: none;
  color: var(--color-error);
  cursor: pointer;
  padding: 0;
  line-height: 1;
  font-size: 0.625rem;
}
.home-loaded-empty {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin: 0;
}
.home-stop-all {
  align-self: flex-start;
}

/* Home wizard (no models) */
.home-wizard {
  max-width: 48rem;
  width: 100%;
}
.home-wizard-hero {
  text-align: center;
  padding: var(--spacing-xl) 0;
}
.home-wizard-hero h1 {
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.015em;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}
.home-wizard-hero p {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}
.home-wizard-steps {
  margin-bottom: var(--spacing-xl);
}
.home-wizard-steps h2 {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
}
.home-wizard-step {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
  padding: var(--spacing-sm) 0;
}
.home-wizard-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 600;
  flex-shrink: 0;
}
.home-wizard-step strong {
  display: block;
  margin-bottom: 2px;
}
.home-wizard-step p {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin: 0;
}
.home-wizard-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
}

/* ──────────────────── Home: hardware-aware starter models ──────────────────── */

.home-starters {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-lg);
}
.home-starters-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}
.home-starters-head strong {
  font-size: 0.9375rem;
}
.home-starters-tier {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}
.home-starters-sub {
  margin: var(--spacing-xs) 0 var(--spacing-md);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}
.home-starters-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}
.home-starters-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xs) 0;
}
.home-starters-name {
  font-weight: 500;
  font-size: 0.875rem;
  word-break: break-all;
}
.home-starters-badge {
  font-size: 0.625rem;
}
.home-starters-size {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ──────────────────── Models gallery: recommended-for-your-hardware strip ──────────────────── */

.rec-models {
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
}
.rec-models-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-md);
}
.rec-models-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}
.rec-models-title i {
  color: var(--color-primary);
}
.rec-models-note {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}
.rec-models-dismiss {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}
.rec-models-dismiss:hover {
  color: var(--color-text-primary);
}
.rec-models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}
.rec-models-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-bg-primary);
}
.rec-models-item-name {
  font-weight: 500;
  font-size: 0.8125rem;
  word-break: break-all;
}
.rec-models-item-meta {
  display: flex;
  gap: var(--spacing-sm);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}
.rec-models-item-fit {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ──────────────────── Home: drop-in endpoint / API compatibility ──────────────────── */

.home-connect {
  max-width: 760px;
  margin: var(--spacing-xl) auto 0;
  padding: var(--spacing-lg);
}
.home-connect-head {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}
.home-connect-icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.home-connect-title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}
.home-connect-sub {
  margin: 2px 0 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}
.home-connect-url {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
}
.home-connect-url code {
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  white-space: nowrap;
  font-size: var(--text-sm);
  color: var(--color-primary);
  background: none;
  padding: 0;
}
.home-connect-url .btn { flex-shrink: 0; display: inline-flex; align-items: center; gap: 6px; }
.home-connect-dismiss {
  margin-left: auto;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-default), color var(--duration-fast) var(--ease-default);
}
.home-connect-dismiss:hover { background: var(--color-surface-hover); color: var(--color-text-primary); }
.home-connect-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  padding: var(--spacing-xs) 0;
  background: none;
  border: none;
  color: var(--color-primary);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
}
.home-connect-toggle:hover { color: var(--color-primary-hover); }
.home-connect-toggle i { font-size: 0.7em; }
.home-connect-endpoints { margin-top: var(--spacing-sm); }
.home-connect-block { margin-top: var(--spacing-md); }
.home-connect-block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}
.home-connect-block-title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-tertiary);
}
.home-connect-apis {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
}
.home-connect-api {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}
.home-connect-api-name { font-weight: var(--font-weight-medium); color: var(--color-text-secondary); }
.home-connect-api-path { font-size: var(--text-xs); color: var(--color-text-muted); background: none; padding: 0; }
.home-connect-docs {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-decoration: none;
}
.home-connect-docs:hover { color: var(--color-primary-hover); }
.home-connect-docs i { font-size: 0.75rem; transition: transform var(--duration-fast) var(--ease-out, ease-out); }
.home-connect-docs:hover i { transform: translateX(3px); }
@media (max-width: 560px) {
  .home-connect-apis { grid-template-columns: 1fr; }
}

/* ──────────────────── Biometrics (face + voice recognition) ──────────────────── */

.biometrics-page {
  padding: var(--spacing-xl);
  max-width: var(--page-max-wide);
  margin: 0 auto;
  width: 100%;
  animation: fadeIn var(--duration-normal) var(--ease-default);
}

.biometrics-page__header {
  display: grid;
  grid-template-columns: 1fr minmax(240px, 320px);
  gap: var(--spacing-lg);
  align-items: end;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border-divider);
}

.biometrics-page__header .page-title i {
  color: var(--color-accent);
}

.biometrics-page__model {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.biometrics-page__body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  min-width: 0;
}

@media (max-width: 720px) {
  .biometrics-page__header {
    grid-template-columns: 1fr;
    align-items: stretch;
  }
}

/* Tabs — flat, underlined, inherit page tone */
.biometrics-tabs {
  display: flex;
  gap: var(--spacing-xs);
  border-bottom: 1px solid var(--color-border-subtle);
  overflow-x: auto;
  scrollbar-width: none;
}
.biometrics-tabs::-webkit-scrollbar { display: none; }

.biometrics-tab {
  background: transparent;
  border: 0;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-secondary);
  font: inherit;
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  border-bottom: 2px solid transparent;
  min-height: 44px;
  transition: color var(--duration-fast), border-color var(--duration-fast);
  white-space: nowrap;
}
.biometrics-tab:hover { color: var(--color-text-primary); }
.biometrics-tab.active {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-accent);
}
.biometrics-tab i { color: var(--color-accent); font-size: 0.9em; }

/* Two-column workflow layout */
.biometrics-twocol {
  display: grid;
  grid-template-columns: minmax(300px, 380px) 1fr;
  gap: var(--spacing-lg);
  align-items: start;
  min-width: 0;
}
@media (max-width: 980px) {
  .biometrics-twocol { grid-template-columns: 1fr; }
}

.biometrics-panel {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-subtle), var(--shadow-inset-top);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.biometrics-panel__title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.biometrics-panel__title i { color: var(--color-accent); }
.biometrics-panel__note {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

.biometrics-results {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.biometrics-empty {
  background: var(--color-bg-secondary);
  border: 1px dashed var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl) var(--spacing-lg);
  text-align: center;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
}
.biometrics-empty > i {
  font-size: 2.5rem;
  color: var(--color-accent);
  opacity: 0.6;
}
.biometrics-empty h3 {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}
.biometrics-empty p {
  margin: 0;
  max-width: 48ch;
  line-height: var(--leading-normal);
  font-size: var(--text-sm);
}

/* Media input — file / webcam / record switcher */
.biometrics-mediainput {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}
.biometrics-mediainput__tabs {
  display: inline-flex;
  gap: 2px;
  padding: 2px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  align-self: flex-start;
}
.biometrics-mediainput__tab {
  background: transparent;
  border: 0;
  font: inherit;
  color: var(--color-text-secondary);
  padding: 6px 12px;
  min-height: 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  transition: background var(--duration-fast), color var(--duration-fast);
}
.biometrics-mediainput__tab:hover:not(:disabled) { color: var(--color-text-primary); }
.biometrics-mediainput__tab.active {
  background: var(--color-surface-raised);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-subtle);
}
.biometrics-mediainput__tab:disabled { opacity: 0.4; cursor: not-allowed; }

.biometrics-mediainput__body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.biometrics-mediainput__live {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.biometrics-mediainput__video {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
  object-fit: cover;
}
.biometrics-mediainput__controls {
  display: flex;
  gap: var(--spacing-xs);
}
.biometrics-mediainput__controls .btn { flex: 1; min-height: 40px; }

.biometrics-mediainput__meter {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}
.biometrics-mediainput__meter i { color: var(--color-text-muted); }
.biometrics-mediainput__meter.recording {
  border-color: var(--color-error-border);
  color: var(--color-text-primary);
}
.biometrics-mediainput__meter.recording i {
  color: var(--color-error);
  animation: biometrics-pulse 1.2s ease-in-out infinite;
}
@keyframes biometrics-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.biometrics-mediainput__error {
  margin: 0;
  color: var(--color-error);
  font-size: var(--text-sm);
}

.biometrics-mediainput__notice {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-warning-light);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}
.biometrics-mediainput__notice > i {
  color: var(--color-warning);
  margin-top: 3px;
  flex-shrink: 0;
}
.biometrics-mediainput__notice strong {
  display: block;
  margin-bottom: 2px;
}
.biometrics-mediainput__notice p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
}
.biometrics-mediainput__notice code {
  background: var(--color-bg-tertiary);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.95em;
}

.biometrics-mediainput__preview {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}
.biometrics-mediainput__preview img {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: var(--color-surface-sunken);
}
.biometrics-mediainput__preview audio { width: 100%; }

.biometrics-mediainput__preview-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xs);
}
.biometrics-mediainput__source-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.biometrics-mediainput__clear {
  background: transparent;
  border: 0;
  color: var(--color-text-muted);
  cursor: pointer;
  min-width: 32px;
  min-height: 32px;
  border-radius: var(--radius-sm);
  transition: color var(--duration-fast), background var(--duration-fast);
}
.biometrics-mediainput__clear:hover {
  color: var(--color-error);
  background: var(--color-error-light);
}

/* Fieldsets + chip toggles (attribute actions) */
.biometrics-fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}
.biometrics-fieldset legend {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0;
  margin: 0;
}
.biometrics-chipset {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}
.biometrics-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  cursor: pointer;
  text-transform: capitalize;
  transition: border-color var(--duration-fast), color var(--duration-fast), background var(--duration-fast);
  min-height: 32px;
}
.biometrics-chip input { position: absolute; opacity: 0; pointer-events: none; }
.biometrics-chip:hover { color: var(--color-text-primary); }
.biometrics-chip.active {
  border-color: var(--color-accent-border);
  background: var(--color-accent-light);
  color: var(--color-text-primary);
}

/* Toggle switch */
.biometrics-switch {
  display: inline-block;
  position: relative;
  width: 40px;
  height: 22px;
  flex-shrink: 0;
}
.biometrics-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.biometrics-switch > span {
  position: absolute;
  inset: 0;
  background: var(--color-toggle-off);
  border-radius: var(--radius-full);
  transition: background var(--duration-fast);
  cursor: pointer;
}
.biometrics-switch > span::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform var(--duration-fast);
  box-shadow: var(--shadow-subtle);
}
.biometrics-switch input:checked + span { background: var(--color-accent); }
.biometrics-switch input:checked + span::after { transform: translateX(18px); }
.biometrics-switch input:focus-visible + span {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}

/* Split view for analyze (image + summary side) */
.biometrics-split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 1fr);
  gap: var(--spacing-md);
  align-items: start;
}
@media (max-width: 980px) {
  .biometrics-split { grid-template-columns: 1fr; }
}
.biometrics-split__media {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.biometrics-split__aside {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  min-width: 0;
}

/* Bounding box overlay */
.biometrics-bbox {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 100%;
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
  overflow: hidden;
  line-height: 0;
}
.biometrics-bbox img {
  width: 100%;
  height: auto;
  display: block;
}
.biometrics-bbox__box {
  position: absolute;
  border: 2px solid var(--color-accent);
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.25), 0 0 12px rgba(232, 168, 124, 0.35);
  pointer-events: none;
  transition: border-color var(--duration-fast);
}
.biometrics-bbox__box.tone-default { border-color: var(--color-border-strong); box-shadow: none; }
.biometrics-bbox__box.tone-success { border-color: var(--color-success); }
.biometrics-bbox__box.tone-error   { border-color: var(--color-error); }
.biometrics-bbox__box.tone-warning { border-color: var(--color-warning); }
.biometrics-bbox__tag {
  position: absolute;
  left: -2px;
  top: -2px;
  transform: translateY(-100%);
  background: var(--color-bg-overlay);
  border: 1px solid var(--color-border-subtle);
  border-bottom: 0;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 2px 8px;
  font-size: var(--text-xs);
  color: var(--color-text-primary);
  display: inline-flex;
  gap: 6px;
  white-space: nowrap;
  line-height: var(--leading-snug);
}
.biometrics-bbox__tag strong { font-weight: var(--font-weight-semibold); }
.biometrics-bbox__tag span { color: var(--color-text-secondary); }

.biometrics-facepicker {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}
.biometrics-facepicker__chip {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: var(--text-xs);
  font: inherit;
  font-size: var(--text-xs);
  min-height: 32px;
  transition: border-color var(--duration-fast), color var(--duration-fast), background var(--duration-fast);
}
.biometrics-facepicker__chip:hover { color: var(--color-text-primary); }
.biometrics-facepicker__chip.active {
  border-color: var(--color-accent-border);
  background: var(--color-accent-light);
  color: var(--color-text-primary);
}
.biometrics-facepicker__chip small { margin-left: 4px; color: var(--color-text-muted); }

/* Summary card (dominant attributes) */
.biometrics-summary {
  padding: var(--spacing-md);
}
.biometrics-summary__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}
.biometrics-summary__head h3 {
  font-size: var(--text-base);
  margin: 0;
  font-weight: var(--font-weight-semibold);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}
.biometrics-summary__head h3 i { color: var(--color-accent); }
.biometrics-summary__head h3 small {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}
.biometrics-summary__grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: var(--spacing-md);
  row-gap: 6px;
  margin: 0;
}
.biometrics-summary__grid dt {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  align-self: center;
}
.biometrics-summary__grid dd {
  margin: 0;
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

/* Distribution bars */
.biometrics-dist {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.biometrics-dist__head {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}
.biometrics-dist__head h3 {
  font-size: var(--text-sm);
  margin: 0;
  font-weight: var(--font-weight-semibold);
  letter-spacing: -0.005em;
}
.biometrics-dist__head i { color: var(--color-accent); }
.biometrics-dist__dominant {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: capitalize;
}
.biometrics-dist__rows {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.biometrics-dist__row {
  display: grid;
  grid-template-columns: minmax(80px, 110px) 1fr max-content;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-xs);
}
.biometrics-dist__label {
  color: var(--color-text-secondary);
  text-transform: capitalize;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.biometrics-dist__bar-wrap {
  height: 6px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.biometrics-dist__bar {
  height: 100%;
  background: var(--color-text-muted);
  border-radius: var(--radius-full);
  transition: width var(--duration-normal) var(--ease-default);
}
.biometrics-dist__row.dominant .biometrics-dist__label { color: var(--color-text-primary); }
.biometrics-dist__row.dominant .biometrics-dist__bar { background: var(--color-accent); }
.biometrics-dist__value {
  font-variant-numeric: tabular-nums;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}
.biometrics-dist__row.dominant .biometrics-dist__value { color: var(--color-text-primary); }

/* Pill chips (liveness) */
.biometrics-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
}
.biometrics-pill small {
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}
.biometrics-pill.good {
  background: var(--color-success-light);
  border-color: var(--color-success-border);
  color: var(--color-success);
}
.biometrics-pill.bad {
  background: var(--color-error-light);
  border-color: var(--color-error-border);
  color: var(--color-error);
}
.biometrics-pill.muted { color: var(--color-text-muted); }

/* Compare view */
.biometrics-compare {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 360px) 1fr;
  gap: var(--spacing-md);
  align-items: stretch;
}
@media (max-width: 1080px) {
  .biometrics-compare { grid-template-columns: 1fr; }
}
.biometrics-compare__panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.biometrics-compare__label {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}
.biometrics-compare__center {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  justify-content: center;
}
.biometrics-compare__threshold {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
}
.biometrics-compare__threshold label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
}
.biometrics-compare__threshold code {
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}
.biometrics-compare__threshold input[type="range"] {
  width: 100%;
  accent-color: var(--color-accent);
}
.biometrics-compare__hint {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}
.biometrics-compare__hint code { color: var(--color-text-secondary); }

/* Match gauge */
.biometrics-gauge {
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  box-shadow: var(--shadow-subtle), var(--shadow-inset-top);
}
.biometrics-gauge__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
}
.biometrics-gauge__verdict {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
}
.biometrics-gauge.tone-success .biometrics-gauge__verdict { color: var(--color-success); }
.biometrics-gauge.tone-error .biometrics-gauge__verdict { color: var(--color-error); }
.biometrics-gauge__confidence {
  text-align: right;
  font-variant-numeric: tabular-nums;
  line-height: var(--leading-tight);
}
.biometrics-gauge__confidence strong {
  display: block;
  font-size: var(--text-xl);
  color: var(--color-text-primary);
}
.biometrics-gauge__confidence span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.biometrics-gauge__track {
  position: relative;
  height: 18px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.biometrics-gauge__zone {
  position: absolute;
  top: 0;
  bottom: 0;
  transition: width var(--duration-normal) var(--ease-default);
}
.biometrics-gauge__zone--match {
  left: 0;
  background: var(--color-success-light);
  border-right: 1px dashed var(--color-success-border);
}
.biometrics-gauge__zone--miss {
  background: var(--color-error-light);
}
.biometrics-gauge__threshold {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border-strong);
  transform: translateX(-1px);
}
.biometrics-gauge__threshold span {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 9px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  padding: 1px 4px;
  white-space: nowrap;
}
.biometrics-gauge__marker {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 12px;
  transform: translateX(-6px);
  background: var(--color-text-primary);
  border-radius: 2px;
  border: 2px solid var(--color-surface-raised);
  transition: left var(--duration-normal) var(--ease-default);
  box-shadow: var(--shadow-sm);
}
.biometrics-gauge__marker span {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 9px;
  text-transform: uppercase;
  color: var(--color-text-primary);
  letter-spacing: 0.08em;
  padding-top: 4px;
  white-space: nowrap;
}
.biometrics-gauge__footer {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.biometrics-gauge__footer em {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-style: normal;
  margin-right: 4px;
}
.biometrics-gauge__footer code {
  font-variant-numeric: tabular-nums;
  color: var(--color-text-secondary);
}

/* Waveform */
.biometrics-waveform {
  --biometrics-wave: var(--color-accent);
  position: relative;
  width: 100%;
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.biometrics-waveform--error {
  padding: var(--spacing-md);
  color: var(--color-error);
  font-size: var(--text-sm);
}
.biometrics-waveform__segment {
  position: absolute;
  top: 0;
  bottom: 0;
  background: rgba(232, 168, 124, 0.16);
  border-left: 1px dashed var(--color-accent-border);
  border-right: 1px dashed var(--color-accent-border);
  pointer-events: none;
}
.biometrics-waveform__segment.tone-info    { background: var(--color-info-light);    border-color: var(--color-info-border); }
.biometrics-waveform__segment.tone-success { background: var(--color-success-light); border-color: var(--color-success-border); }
.biometrics-waveform__segment.tone-warning { background: var(--color-warning-light); border-color: var(--color-warning-border); }
.biometrics-waveform__segment.tone-accent  { background: var(--color-accent-light);  border-color: var(--color-accent-border); }
.biometrics-waveform__seglabel {
  position: absolute;
  top: 4px;
  left: 4px;
  font-size: var(--text-xs);
  color: var(--color-text-primary);
  background: var(--color-bg-overlay);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  max-width: calc(100% - 8px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.biometrics-waveform__duration {
  position: absolute;
  right: 8px;
  bottom: 6px;
  font-size: 11px;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
  background: var(--color-bg-overlay);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}
.biometrics-waveform__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* Reusable waveform-and-playback component (audio transform / TTS / sound / traces) */
.audio-waveform-player {
  --audio-wave: var(--color-primary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  width: 100%;
}
.audio-waveform-player--dimmed .audio-waveform-player__canvas-wrap {
  opacity: 0.7;
}
.audio-waveform-player__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.audio-waveform-player__canvas-wrap {
  position: relative;
  width: 100%;
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.audio-waveform-player__error {
  padding: var(--spacing-md);
  color: var(--color-error);
  font-size: var(--text-sm);
}
.audio-waveform-player__segment {
  position: absolute;
  top: 0;
  bottom: 0;
  background: rgba(136, 192, 208, 0.16);
  border-left: 1px dashed var(--color-primary);
  border-right: 1px dashed var(--color-primary);
  pointer-events: none;
}
.audio-waveform-player__seglabel {
  position: absolute;
  top: 4px;
  left: 4px;
  font-size: var(--text-xs);
  color: var(--color-text-primary);
  background: var(--color-bg-overlay);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  max-width: calc(100% - 8px);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.audio-waveform-player__duration {
  position: absolute;
  right: 8px;
  bottom: 6px;
  font-size: 11px;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
  background: var(--color-bg-overlay);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}
.audio-waveform-player__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.audio-waveform-player__playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1.5px;
  background: var(--color-primary);
  opacity: 0.85;
  pointer-events: none;
  transform: translateX(-0.75px);
}
.audio-waveform-player__player {
  width: 100%;
}
.audio-waveform-player__download {
  align-self: flex-end;
  font-size: var(--text-sm);
  color: var(--color-primary);
}

/* Spectrogram (AudioTransform spectral view) */
.audio-spectrogram-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}
@media (max-width: 720px) {
  .audio-spectrogram-pair {
    grid-template-columns: 1fr;
  }
}
.audio-spectrogram {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  width: 100%;
  min-width: 0;
}
.audio-spectrogram__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.audio-spectrogram__canvas-wrap {
  position: relative;
  width: 100%;
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.audio-spectrogram__canvas-wrap--empty {
  display: flex;
  align-items: center;
  justify-content: center;
}
.audio-spectrogram__hint {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.audio-spectrogram__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.audio-spectrogram__error {
  padding: var(--spacing-md);
  color: var(--color-error);
  font-size: var(--text-sm);
}
.audio-spectrogram__axis {
  position: absolute;
  left: 6px;
  font-size: 10px;
  color: var(--color-text-muted);
  background: var(--color-bg-overlay);
  padding: 0 4px;
  border-radius: var(--radius-sm);
  pointer-events: none;
  font-variant-numeric: tabular-nums;
}
.audio-spectrogram__axis--top {
  top: 4px;
}
.audio-spectrogram__axis--bottom {
  bottom: 4px;
}
.audio-spectrogram__duration {
  position: absolute;
  right: 8px;
  bottom: 6px;
  font-size: 11px;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
  background: var(--color-bg-overlay);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}

/* Audio Transform Studio tab */
.audio-transform-stack {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  width: 100%;
}
.audio-transform-drop {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
  color: var(--color-text-secondary);
  cursor: default;
  transition: border-color var(--duration-normal, 180ms) var(--ease-default, ease);
}
.audio-transform-drop--hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.audio-transform-drop__file {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
  font-family: var(--font-mono);
  word-break: break-all;
}
.audio-transform-drop__pick {
  cursor: pointer;
  color: var(--color-primary);
  text-decoration: underline;
  margin-left: 4px;
}
.audio-transform-input {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.audio-transform-input__tabs {
  display: inline-flex;
  gap: 2px;
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 2px;
  align-self: flex-start;
}
.audio-transform-input__tab {
  border: 0;
  background: transparent;
  padding: 4px 10px;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.audio-transform-input__tab.active {
  background: var(--color-primary-light);
  color: var(--color-text-primary);
}
.audio-transform-rec {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: flex-start;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-surface-sunken);
}
.audio-transform-rec__notice {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}
.audio-transform-rec__notice--error {
  color: var(--color-error);
}
.audio-transform-rec__pending {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
}
.audio-transform-echo {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}
.audio-transform-echo__row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.audio-transform-echo__notice {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-info-light);
  color: var(--color-text-primary);
  border-left: 3px solid var(--color-info);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin: 0;
}
.audio-transform-echo__notice > i {
  color: var(--color-info);
  margin-top: 2px;
}
.audio-transform-echo__elapsed {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

/* Enrollment layout (register + identify + list) */
.biometrics-enrollgrid {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) minmax(300px, 1fr);
  grid-template-areas:
    "register identify"
    "list     list";
  gap: var(--spacing-lg);
}
.biometrics-enrollgrid__register { grid-area: register; }
.biometrics-enrollgrid__identify { grid-area: identify; }
.biometrics-enrollgrid__list     { grid-area: list; min-width: 0; }
@media (max-width: 980px) {
  .biometrics-enrollgrid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "register"
      "identify"
      "list";
  }
}
.biometrics-enrollgrid__register form,
.biometrics-enrollgrid__identify form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}
.biometrics-enrollgrid__err {
  margin-top: var(--spacing-sm);
}

.biometrics-enroll__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}
.biometrics-enroll__count {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: var(--spacing-xs);
}

.biometrics-enroll__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--spacing-md);
}
.biometrics-enroll__card {
  position: relative;
  background: var(--color-surface-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  transition: border-color var(--duration-fast), transform var(--duration-fast);
}
.biometrics-enroll__card:hover {
  border-color: var(--color-border-default);
  transform: translateY(-1px);
}
.biometrics-enroll__card.highlight {
  border-color: var(--color-accent-border);
  box-shadow: 0 0 0 1px var(--color-accent-border);
  animation: biometrics-highlight 1.4s ease-out;
}
@keyframes biometrics-highlight {
  0% { box-shadow: 0 0 0 4px var(--color-accent-light); }
  100% { box-shadow: 0 0 0 1px var(--color-accent-border); }
}

.biometrics-enroll__media {
  aspect-ratio: 1 / 1;
  background: var(--color-surface-sunken);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.biometrics-enroll__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.biometrics-enroll__media audio {
  width: 90%;
}
.biometrics-enroll__initials {
  font-size: 2rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}
.biometrics-enroll__body { display: flex; flex-direction: column; gap: 4px; }
.biometrics-enroll__name {
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.biometrics-enroll__labels {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.biometrics-enroll__labels li {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}
.biometrics-enroll__labels li span {
  color: var(--color-text-muted);
  margin-right: 4px;
}
.biometrics-enroll__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.biometrics-enroll__delete {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--color-bg-overlay);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  width: 28px;
  height: 28px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration-fast), color var(--duration-fast), background var(--duration-fast);
}
.biometrics-enroll__card:hover .biometrics-enroll__delete,
.biometrics-enroll__card:focus-within .biometrics-enroll__delete { opacity: 1; }
.biometrics-enroll__delete:hover {
  color: var(--color-error);
  background: var(--color-error-light);
  border-color: var(--color-error-border);
}
.biometrics-enroll__empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xl);
  border: 1px dashed var(--color-border-default);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
}
.biometrics-enroll__empty > i {
  font-size: 2rem;
  color: var(--color-accent);
  opacity: 0.6;
}
.biometrics-enroll__empty p {
  margin: 0;
  max-width: 44ch;
  line-height: var(--leading-normal);
  font-size: var(--text-sm);
}

/* Matches list (identify results) */
.biometrics-matches {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.biometrics-matches__empty {
  padding: var(--spacing-md);
  border: 1px dashed var(--color-border-default);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  text-align: center;
  font-size: var(--text-sm);
}
.biometrics-matches__row {
  display: grid;
  grid-template-columns: 32px 56px 1fr;
  gap: var(--spacing-sm);
  align-items: center;
  padding: var(--spacing-sm);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
}
.biometrics-matches__row.match { border-color: var(--color-success-border); }
.biometrics-matches__rank {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-semibold);
  text-align: center;
}
.biometrics-matches__avatar {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-sunken);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-weight: var(--font-weight-semibold);
  font-size: var(--text-sm);
}
.biometrics-matches__avatar img { width: 100%; height: 100%; object-fit: cover; }
.biometrics-matches__body { min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.biometrics-matches__name {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-sm);
  min-width: 0;
}
.biometrics-matches__name strong {
  font-weight: var(--font-weight-semibold);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.biometrics-matches__badge {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.biometrics-matches__badge.match {
  background: var(--color-success-light);
  color: var(--color-success);
}
.biometrics-matches__meter {
  height: 4px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.biometrics-matches__fill {
  height: 100%;
  background: var(--color-accent);
  transition: width var(--duration-normal) var(--ease-default);
}
.biometrics-matches__row.match .biometrics-matches__fill { background: var(--color-success); }
.biometrics-matches__meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.biometrics-matches__meta code {
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
}
.biometrics-matches__preview { width: 100%; }

/* Embedding inspector */
.biometrics-embed {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
}
.biometrics-embed__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-sm);
}
.biometrics-embed__title {
  font-size: var(--text-base);
  font-weight: var(--font-weight-semibold);
}
.biometrics-embed__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
}
.biometrics-embed__meta strong { color: var(--color-text-primary); font-variant-numeric: tabular-nums; font-weight: var(--font-weight-semibold); }
.biometrics-embed__meta code { color: var(--color-text-secondary); }

/* Response details pane */
.biometrics-response {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.biometrics-response summary {
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  list-style: none;
  user-select: none;
  min-height: 40px;
}
.biometrics-response summary::-webkit-details-marker { display: none; }
.biometrics-response summary i { transition: transform var(--duration-fast); }
.biometrics-response[open] summary i { transform: rotate(90deg); }
.biometrics-response pre {
  margin: 0;
  padding: var(--spacing-md);
  background: var(--color-surface-sunken);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  overflow-x: auto;
  max-height: 360px;
  line-height: var(--leading-snug);
}

.form-label__hint {
  color: var(--color-text-muted);
  font-weight: var(--font-weight-regular);
  margin-left: 4px;
}

/* ResourceRow — unified expandable row anatomy used by the Manage page so
   installed models and backends share the same visual grammar as the Install
   gallery (icon, name, description, badges, expandable detail panel). */
.resource-row { transition: background var(--duration-fast) var(--ease-default); }
.resource-row.is-dimmed { opacity: 0.55; transition: opacity 0.2s; }
.resource-row.is-expanded { background: var(--color-bg-tertiary); }

.resource-row__chevron-cell { width: 30px; }
.resource-row__icon-cell { width: 64px; }

.resource-row__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}
.resource-row__icon > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.resource-row__icon > i {
  font-size: 1.25rem;
  color: var(--color-accent);
}

.resource-row__detail-row > .resource-row__detail-cell {
  padding: 0;
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border-subtle);
}
.resource-row__detail {
  padding: var(--spacing-md) var(--spacing-lg);
}
.resource-row__detail h4 {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 var(--spacing-sm) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}
.resource-row__detail h4 i { color: var(--color-accent); }
.resource-row__detail-grid {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 6px var(--spacing-md);
}
.resource-row__detail-grid dt {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  align-self: start;
  padding-top: 2px;
}
.resource-row__detail-grid dd {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  min-width: 0;
  word-break: break-word;
}
.resource-row__detail-md {
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: var(--text-sm);
}
.resource-row__detail-md p:first-child { margin-top: 0; }
.resource-row__detail-md p:last-child { margin-bottom: 0; }

/* Description line directly under the row name — Install gallery already
   does this; Manage rows used to show only the bare name. */
.resource-row__desc {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: 42ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 2px;
}

/* ResourceActions — split lifecycle vs destructive with a thin divider so
   the trash icon doesn't sit at the same eye-weight as the routine buttons.
   Used now only for the rare row whose actions can't collapse into the
   kebab menu (e.g. a "Protected" badge on system backends). */
.resource-actions {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  justify-content: flex-end;
}
.resource-actions__group {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}
.resource-actions__divider {
  width: 1px;
  height: 20px;
  background: var(--color-border-subtle);
  margin: 0 var(--spacing-xs);
  flex-shrink: 0;
}

/* ActionMenu — kebab trigger + popover menu. Borrows claudemaster's
   restrained pattern: button reads as a quiet ellipsis at rest, lights up
   on row hover, and the menu items hold typography-first weight (icon +
   label, no fills until hover). The trigger stays at low opacity until the
   user reaches for the row, so dense tables don't read as control panels. */
.action-menu__trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: var(--text-sm);
  opacity: 0.45;
  transition:
    opacity var(--duration-fast) var(--ease-default),
    color var(--duration-fast) var(--ease-default),
    background var(--duration-fast) var(--ease-default),
    border-color var(--duration-fast) var(--ease-default);
}
.resource-row:hover .action-menu__trigger,
.action-menu__trigger:focus-visible,
.action-menu__trigger.is-open {
  opacity: 1;
}
.action-menu__trigger:hover,
.action-menu__trigger.is-open {
  background: var(--color-bg-tertiary);
  border-color: var(--color-border-subtle);
  color: var(--color-text-primary);
}
.action-menu__trigger:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}
.action-menu__trigger--compact {
  width: 24px;
  height: 24px;
  font-size: var(--text-xs);
}

.action-menu {
  display: flex;
  flex-direction: column;
  min-width: 200px;
  padding: 4px;
  outline: none;
}
.action-menu__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 8px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-primary);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  width: 100%;
  transition: background var(--duration-fast) var(--ease-default),
              color var(--duration-fast) var(--ease-default);
}
.action-menu__item.is-active,
.action-menu__item:hover:not(:disabled) {
  background: var(--color-bg-tertiary);
}
.action-menu__item:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}
.action-menu__icon {
  width: 14px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  flex-shrink: 0;
}
.action-menu__item.is-active .action-menu__icon,
.action-menu__item:hover:not(:disabled) .action-menu__icon {
  color: var(--color-text-primary);
}
.action-menu__label {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.action-menu__shortcut {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.action-menu__item.is-danger { color: var(--color-error); }
.action-menu__item.is-danger .action-menu__icon { color: var(--color-error); }
.action-menu__item.is-danger:hover:not(:disabled),
.action-menu__item.is-danger.is-active {
  background: var(--color-error-light);
  color: var(--color-error);
}
.action-menu__item.is-danger:hover:not(:disabled) .action-menu__icon,
.action-menu__item.is-danger.is-active .action-menu__icon {
  color: var(--color-error);
}
.action-menu__divider {
  height: 1px;
  background: var(--color-border-subtle);
  margin: 4px 2px;
}
.action-menu__badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 8px 10px;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.action-menu__badge > i { color: var(--color-text-muted); font-size: var(--text-xs); width: 14px; text-align: center; }

/* Pulse modifier — subtle ring on the Pin button when a model is pinned, so
   pinning is visible at a glance without a second icon next to the name. */
.btn--pulse {
  animation: btnPulseWarning 1.6s ease-in-out infinite;
}
@keyframes btnPulseWarning {
  0%, 100% { box-shadow: 0 0 0 0 rgba(235, 203, 139, 0); }
  50%      { box-shadow: 0 0 0 4px rgba(235, 203, 139, 0.18); }
}

/* StatCard clickable variant — the Manage summary cards double as shortcuts
   to the relevant tab + filter, so the card needs a real button affordance. */
.stat-card[data-clickable="true"] {
  cursor: pointer;
  user-select: none;
}
.stat-card[data-clickable="true"]:hover {
  border-color: var(--stat-accent, var(--color-border));
  transform: translateY(-1px);
}
.stat-card[data-clickable="true"]:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}

/* Manage summary marker — same .stat-grid layout. Top margin separates the
   cards from the System Resources card above (otherwise they sit too close
   to the RAM bar) and bottom margin tightens the gap to the tabs below. */
.manage-summary {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

/* Screen-reader-only label, used for table headers whose visual cell needs
   no label (kebab-only Actions column, toggle-only Enabled column). The
   header still announces correctly to assistive tech without making the
   table feel like it's labelling sparse columns twice. */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Reduced motion accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Admin console layout (pathless route) - structural only */
/* Lazy-route loading fallback. Delayed ~150ms so fast chunk loads don't flash. */
.route-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 40vh;
  opacity: 0;
  animation: route-fallback-in var(--duration-normal) var(--ease-out, ease-out) 150ms forwards;
}
@keyframes route-fallback-in { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  .route-fallback { opacity: 1; animation: none; }
}

/* Console layout: a secondary rail panel (Build, Operate) beside the page body. */
.console-layout {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
  padding: var(--spacing-md);
}
.console-rail {
  flex: 0 0 220px;
  position: sticky;
  top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-subtle);
}
/* Entrance only when entering the console (not on item-to-item sub-nav). */
.console-rail.console-rail--enter {
  animation: console-rail-in var(--duration-normal) var(--ease-out, ease-out) both;
}
@keyframes console-rail-in {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}
.console-rail-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-xs);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}
.console-rail-header i { color: var(--color-primary); font-size: 0.9rem; }
.console-group { display: flex; flex-direction: column; gap: 1px; }
.console-group + .console-group {
  margin-top: var(--spacing-xs);
  padding-top: var(--spacing-xs);
  border-top: 1px solid var(--color-border-divider);
}
.console-group-title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-tertiary);
  padding: var(--spacing-xs) var(--spacing-sm);
}
.console-rail .nav-item {
  margin: 0;
  padding: 7px var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  transition: color var(--duration-fast) var(--ease-out, ease-out),
              background var(--duration-fast) var(--ease-out, ease-out),
              transform var(--duration-fast) var(--ease-out, ease-out);
}
.console-rail .nav-item:hover:not(.active) { transform: translateX(2px); }
.console-rail .nav-item.active { box-shadow: none; }
.console-rail .nav-item.active .nav-icon { color: var(--color-primary); }
.console-body {
  flex: 1 1 auto;
  min-width: 0;
}
@media (max-width: 768px) {
  .console-layout { flex-direction: column; padding: var(--spacing-sm); }
  .console-rail { position: static; flex-basis: auto; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .console-rail.console-rail--enter { animation: none; }
  .console-rail .nav-item:hover:not(.active) { transform: none; }
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.status-pill__dot { width: 7px; height: 7px; border-radius: var(--radius-full); background: var(--color-text-muted); flex-shrink: 0; }
.status-pill--success .status-pill__dot { background: var(--color-success); }
.status-pill--warning .status-pill__dot { background: var(--color-warning); }
.status-pill--error   .status-pill__dot { background: var(--color-error); }
.status-pill--info    .status-pill__dot { background: var(--color-info); }
.status-pill--muted   .status-pill__dot { background: var(--color-text-muted); }

/* Nodes: cluster pulse + attention callout (replaces the stat-card strip) */
.cluster-pulse {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0 0 var(--spacing-lg);
}
.cluster-pulse__strong { color: var(--color-text-primary); font-weight: 600; }

.attention-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-sm);
}
.attention-callout--warn {
  background: var(--color-warning-light);
  border: 1px solid var(--color-warning-border);
  color: var(--color-text-primary);
}
.attention-callout--error {
  background: var(--color-error-light);
  border: 1px solid var(--color-error-border);
  color: var(--color-text-primary);
}

/* Node roster panels (Nodes page) */
.node-roster { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.node-panel {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
}
.node-panel__main { padding: var(--spacing-md) var(--spacing-lg); cursor: pointer; }
.node-panel:hover { border-color: var(--color-border); }
.node-panel__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--spacing-md); }
.node-panel__id { display: flex; align-items: center; gap: var(--spacing-sm); flex-wrap: wrap; }
.node-panel__name { font-weight: 600; }
.node-panel__meta { display: flex; gap: var(--spacing-lg); margin-top: var(--spacing-sm); color: var(--color-text-muted); font-size: var(--text-xs); }
.node-panel__models { display: flex; flex-wrap: wrap; gap: 6px; margin-top: var(--spacing-sm); }
.model-chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: 0.6875rem;
  padding: 2px 8px; border-radius: var(--radius-sm); border: 1px solid;
}
.model-chip__dot { width: 6px; height: 6px; border-radius: 50%; }
.model-chip__state { opacity: 0.85; font-style: normal; }
.node-filter { margin-bottom: var(--spacing-lg); }
.node-detail__metrics { display: flex; gap: var(--spacing-xl); margin: var(--spacing-md) 0 var(--spacing-lg); flex-wrap: wrap; }
