.brand-lockup {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-lockup img {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.brand-mark {
  display: grid;
  gap: var(--space-1);
}

.brand-mark strong {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 0.95;
  letter-spacing: 0;
}

.brand-mark span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

.shell-sidebar-brand .brand-mark strong {
  color: var(--color-sidebar-text);
}

.shell-sidebar-brand .brand-mark span {
  color: var(--color-sidebar-text-secondary);
}

.nav-stack {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
  align-content: start;
}

.nav-group {
  display: grid;
  gap: var(--space-2);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-navigation-border) 78%, transparent);
}

.nav-group:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.nav-group.is-active-group .nav-group-label {
  color: var(--color-text-inverse);
}

.nav-group-label {
  padding: 0 var(--space-3);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--color-sidebar-text-secondary);
  text-transform: uppercase;
}

.nav-group-items {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-group-item {
  list-style: none;
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border: var(--border-width-thin) var(--border-style-standard) transparent;
  border-radius: var(--radius-control);
  min-height: 56px;
  transition:
    transform var(--transition-quick),
    background var(--transition-medium),
    border-color var(--transition-medium),
    box-shadow var(--transition-medium),
    color var(--transition-medium),
    opacity var(--transition-medium);
}

.nav-item-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  min-width: 32px;
  height: 32px;
  border-radius: var(--radius-large);
  background: color-mix(in srgb, var(--color-text-inverse) 12%, transparent);
  color: var(--color-text-inverse);
  font-family: var(--font-display);
  font-size: 0.92rem;
}

.nav-item-copy {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.nav-item strong {
  font-size: 0.96rem;
  line-height: 1.15;
}

.nav-item small {
  line-height: 1.35;
}

.nav-item:hover,
.nav-item[aria-current="page"] {
  transform: translateX(var(--space-1));
  background: var(--color-navigation-hover);
  border-color: var(--color-navigation-border);
}

.nav-item:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--color-highlight) 68%, white);
  box-shadow: 0 0 0 var(--border-width-thin) color-mix(in srgb, var(--color-highlight) 38%, transparent);
}

.nav-item[aria-current="page"] {
  box-shadow: inset 3px 0 0 0 var(--color-highlight);
}

.nav-item:active {
  transform: translateX(var(--space-1)) scale(0.99);
}

.nav-item[aria-current="page"] .nav-item-marker {
  background: color-mix(in srgb, var(--color-highlight) 72%, transparent);
  color: var(--color-text-inverse);
}

.nav-item small {
  display: block;
  color: var(--color-sidebar-text-secondary);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 28px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-large);
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary-strong);
  font-family: var(--font-display);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.surface-card {
  display: grid;
  align-content: start;
  gap: var(--space-4);
  padding: var(--space-5);
  border: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  border-radius: var(--radius-panel);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface-secondary) 60%, transparent), color-mix(in srgb, var(--color-surface) 96%, transparent));
  box-shadow: var(--shadow-crisp);
  pointer-events: auto;
  transition:
    transform var(--transition-medium),
    box-shadow var(--transition-medium),
    border-color var(--transition-medium),
    background var(--transition-medium);
}

.surface-card:hover {
  transform: translateY(calc(var(--space-1) * -1));
  border-color: color-mix(in srgb, var(--color-primary) 14%, var(--color-border));
  box-shadow: var(--shadow-soft);
}

.surface-card:focus-within {
  border-color: color-mix(in srgb, var(--color-highlight) 34%, transparent);
  box-shadow:
    var(--shadow-soft),
    0 0 0 var(--border-width-thin) color-mix(in srgb, var(--color-highlight) 30%, transparent);
}

.surface-card h3,
.foundation-band h3,
.foundation-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1;
}

.foundation-hero h1 {
  font-size: clamp(2.2rem, 6vw, 4.6rem);
}

.surface-card h3,
.foundation-band h3 {
  font-size: 1.2rem;
}

.surface-card p,
.foundation-band p,
.foundation-hero p {
  margin: 0;
  line-height: 1.55;
  color: var(--color-text-secondary);
}

.surface-card > .pill,
.workspace-header .pill,
.dialog-copy .pill {
  justify-self: start;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.workspace-runtime-band {
  display: grid;
  gap: var(--space-4);
}

.workspace-runtime-status-text {
  color: var(--color-text-secondary);
}

.workspace-runtime-stack,
.workspace-runtime-section {
  display: grid;
  gap: var(--space-5);
}

.workspace-domain-grid,
.workspace-status-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.workspace-domain-card {
  gap: var(--space-3);
}

.workspace-kv-table {
  width: 100%;
  border-collapse: collapse;
}

.workspace-kv-table th,
.workspace-kv-table td {
  padding: var(--space-2) 0;
  border-bottom: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-border) 72%, transparent);
  text-align: left;
  vertical-align: top;
}

.workspace-kv-table th {
  width: 40%;
  color: var(--color-text-secondary);
  font-weight: 600;
}

.workspace-history-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.workspace-history-item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-border) 72%, transparent);
}

.workspace-history-item strong {
  font-family: var(--font-display);
  font-size: 0.96rem;
}

.workspace-history-item span {
  color: var(--color-text-secondary);
  line-height: 1.45;
}

.workspace-inline-form {
  display: grid;
  gap: var(--space-4);
}

.workspace-inline-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.4fr) auto;
  gap: var(--space-3);
  align-items: center;
}

.workspace-input {
  width: 100%;
  min-height: 44px;
  padding: 0 var(--space-3);
  border: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  color: var(--color-text-primary);
}

.workspace-input-wide {
  min-width: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 42px;
  padding: 0 var(--space-4);
  border: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  border-radius: var(--radius-control);
  background: var(--color-surface-secondary);
  color: var(--color-text-primary);
  cursor: pointer;
  transition:
    transform var(--transition-quick),
    border-color var(--transition-medium),
    background var(--transition-medium),
    box-shadow var(--transition-medium),
    opacity var(--transition-medium),
    color var(--transition-medium);
}

.button:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--color-primary) 35%, transparent);
  box-shadow: var(--shadow-crisp);
}

.button:active {
  transform: translateY(0) scale(0.985);
}

.button:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--color-primary) 42%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 18%, transparent);
}

.button-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-highlight));
  color: var(--color-button-text-on-primary);
  border-color: transparent;
}

.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.56;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.meta-grid > div {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-border) 72%, transparent);
  border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--color-surface-secondary) 72%, transparent);
}

.meta-grid strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.92rem;
}

.meta-grid span {
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.chat-suggestion-panel,
.chat-composer,
.chat-panel-heading {
  display: grid;
  gap: var(--space-3);
}

.chat-panel-heading {
  align-items: start;
}

.chat-panel-heading strong,
.chat-composer-copy strong {
  font-family: var(--font-display);
  font-size: 1rem;
}

.chat-panel-heading span,
.chat-composer-copy span {
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.chat-suggestion-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chat-suggestion-item {
  display: contents;
}

.chat-chip {
  min-height: 38px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-large);
  white-space: nowrap;
}

.chat-conversation-viewport {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: clamp(520px, 72vh, 860px);
  background: transparent;
  overflow: hidden;
}

.chat-conversation-scroll-shell {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  min-height: 0;
}

.chat-conversation-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0 0 var(--space-3);
  border-bottom: 0;
  background: transparent;
}

.chat-conversation-header-copy {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.chat-conversation-header-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.44rem;
  line-height: 1.02;
}

.chat-conversation-header-copy p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.55;
  max-width: 64ch;
}

.chat-conversation-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
  align-self: center;
}

.chat-conversation-action {
  min-height: 36px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-large);
}

.chat-conversation-scroll {
  overflow-y: auto;
  padding: var(--space-4) 0;
}

.chat-conversation-scroll-actions {
  display: flex;
  justify-content: flex-end;
  padding: 0 0 var(--space-3);
}

.chat-scroll-bottom-action[data-scroll-visible="false"] {
  opacity: 0.72;
}

.chat-conversation-scroll--empty,
.chat-conversation-scroll--loading {
  display: grid;
  align-items: center;
}

.chat-conversation-list {
  display: grid;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.chat-conversation-row {
  display: flex;
}

.chat-conversation-separator-row,
.chat-conversation-section-row {
  display: flex;
  justify-content: center;
}

.chat-conversation-day-separator,
.chat-conversation-section-header {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-large);
  font-family: var(--font-display);
}

.chat-conversation-day-separator {
  border: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-border) 82%, transparent);
  background: color-mix(in srgb, var(--color-surface-tertiary) 84%, transparent);
  color: var(--color-text-secondary);
  font-size: 0.82rem;
}

.chat-conversation-section-header {
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-primary-strong);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.chat-conversation-row--user {
  justify-content: flex-end;
}

.chat-conversation-row--assistant {
  justify-content: flex-start;
}

.chat-conversation-row--system {
  justify-content: center;
}

.chat-conversation-bubble {
  display: grid;
  gap: var(--space-2);
  width: min(100%, 74ch);
  padding: var(--space-4);
  border: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-border) 58%, transparent);
  border-radius: var(--radius-control);
}

.chat-conversation-bubble--start,
.chat-conversation-bubble--single {
  margin-top: var(--space-2);
}

.chat-conversation-bubble--middle,
.chat-conversation-bubble--continued {
  border-top-left-radius: var(--space-4);
  border-top-right-radius: var(--space-4);
}

.chat-conversation-bubble--assistant {
  background: color-mix(in srgb, var(--color-surface-secondary) 88%, transparent);
}

.chat-conversation-bubble--user {
  width: min(100%, 66ch);
  background: color-mix(in srgb, var(--color-primary) 12%, var(--color-surface-secondary));
  border-color: color-mix(in srgb, var(--color-primary) 28%, var(--color-border));
}

.chat-conversation-bubble--system {
  width: min(100%, 56ch);
  background: color-mix(in srgb, var(--color-surface-tertiary) 86%, transparent);
  border-style: dashed;
}

.chat-conversation-role {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-large);
  background: color-mix(in srgb, var(--color-text-primary) 8%, transparent);
  color: var(--color-text-secondary);
  font-family: var(--font-display);
  font-size: 0.74rem;
  text-transform: uppercase;
}

.chat-conversation-bubble-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.chat-conversation-bubble-meta--continued {
  justify-content: flex-end;
}

.chat-conversation-bubble-meta strong {
  font-family: var(--font-display);
  font-size: 0.98rem;
}

.chat-conversation-meta-trailing {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chat-conversation-bubble-meta span {
  color: var(--color-text-muted);
  font-size: 0.84rem;
}

.chat-conversation-status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-large);
  background: color-mix(in srgb, var(--color-text-primary) 8%, transparent);
}

.chat-conversation-bubble-body {
  display: grid;
  gap: var(--space-3);
}

.chat-conversation-bubble-body p {
  margin: 0;
  line-height: 1.7;
  color: var(--color-text-primary);
}

.chat-conversation-bubble-detail {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
}

.chat-conversation-message-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-1);
}

.chat-conversation-message-actions .chat-conversation-action {
  min-height: 32px;
  font-size: 0.82rem;
}

.chat-conversation-action[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--color-primary) 18%, var(--color-border));
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

.chat-conversation-empty-state,
.chat-conversation-loading-state {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  justify-items: start;
}

.chat-conversation-empty-state h3,
.chat-conversation-loading-state h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1;
}

.chat-conversation-empty-state p,
.chat-conversation-loading-state p {
  margin: 0;
  max-width: 58ch;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.chat-conversation-empty-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chat-conversation-empty-prompt-item {
  display: contents;
}

.chat-conversation-empty-prompt {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 var(--space-3);
  border: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-primary) 12%, transparent);
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--color-text-primary);
  transition:
    border-color var(--transition-medium),
    background var(--transition-medium),
    transform var(--transition-quick);
}

.chat-conversation-empty-prompt:hover {
  transform: none;
  border-color: color-mix(in srgb, var(--color-primary) 22%, var(--color-border));
}

.chat-conversation-welcome-suggestions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.chat-conversation-empty-recent {
  display: grid;
  gap: var(--space-3);
  padding-top: var(--space-2);
  border-top: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-border) 72%, transparent);
}

.chat-conversation-empty-recent > strong {
  font-family: var(--font-display);
  font-size: 1rem;
}

.chat-conversation-empty-recent-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.chat-conversation-empty-recent-card {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  text-align: left;
  transition:
    transform var(--transition-quick),
    border-color var(--transition-medium),
    background var(--transition-medium);
}

.chat-conversation-empty-recent-card:hover {
  transform: none;
  border-color: transparent;
}

.chat-conversation-empty-recent-card strong {
  font-size: 0.96rem;
}

.chat-conversation-empty-recent-card span {
  color: var(--color-text-secondary);
  line-height: 1.45;
}

.chat-conversation-empty-recent-meta {
  font-size: 0.82rem;
}

.chat-conversation-suggestion-card {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  text-align: left;
  transition:
    transform var(--transition-medium),
    border-color var(--transition-medium),
    background var(--transition-medium);
}

.chat-conversation-suggestion-card:hover {
  transform: none;
  border-color: transparent;
}

.chat-conversation-suggestion-card strong {
  font-family: var(--font-display);
  font-size: 0.98rem;
}

.chat-conversation-suggestion-card span {
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.chat-conversation-loading-skeleton {
  display: grid;
  gap: var(--space-3);
}

.chat-conversation-loading-line {
  display: block;
  height: 14px;
  width: 100%;
  border-radius: var(--radius-large);
  background: linear-gradient(90deg, color-mix(in srgb, var(--color-border) 72%, transparent), color-mix(in srgb, var(--color-surface-tertiary) 88%, transparent));
}

.chat-conversation-loading-line--long {
  width: min(100%, 32rem);
}

.chat-conversation-loading-line--short {
  width: min(100%, 16rem);
}

.chat-message-stream {
  display: grid;
  gap: var(--space-3);
}

.chat-message {
  max-width: min(100%, 72ch);
}

.chat-message--user {
  justify-self: end;
}

.chat-message--assistant {
  justify-self: start;
}

.chat-message--system {
  justify-self: center;
  max-width: min(100%, 60ch);
}

.chat-history-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.chat-history-item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-border) 72%, transparent);
}

.chat-history-item strong {
  font-family: var(--font-display);
  font-size: 0.96rem;
}

.chat-history-item span {
  color: var(--color-text-secondary);
  line-height: 1.45;
}

.chat-composer {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4) 0 0;
  border-top: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-border) 72%, transparent);
  background: transparent;
}

.chat-workspace .chat-composer {
  position: sticky;
  bottom: 0;
  z-index: 1;
}

.chat-composer[data-composer-state="disabled"] {
  opacity: 0.76;
}

.chat-composer[data-composer-state="loading"] {
  border-color: color-mix(in srgb, var(--color-highlight) 22%, var(--color-border));
}

.chat-composer-field,
.chat-composer-control {
  display: grid;
  gap: var(--space-2);
}

.chat-composer-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  justify-content: space-between;
}

.chat-composer-status-text,
.chat-composer-hint {
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.chat-composer-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.chat-composer-input {
  min-height: 140px;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  resize: none;
  transition:
    border-color var(--transition-medium),
    box-shadow var(--transition-medium),
    background var(--transition-medium);
}

.chat-composer-input:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--color-highlight) 38%, var(--color-border));
  box-shadow: 0 0 0 var(--border-width-thin) color-mix(in srgb, var(--color-highlight) 22%, transparent);
}

.chat-composer[data-composer-state="disabled"] .chat-composer-input,
.chat-composer[data-composer-state="loading"] .chat-composer-input {
  background: color-mix(in srgb, var(--color-surface-tertiary) 78%, transparent);
}

.chat-composer-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: end;
}

.chat-composer-leading-tools {
  display: grid;
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
  gap: var(--space-3);
  align-items: end;
}

.chat-composer-select {
  min-width: 0;
}

.chat-composer-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chat-composer-toolbar > .button {
  min-height: 40px;
}

.chat-composer-send-cluster {
  display: grid;
  justify-items: end;
  gap: var(--space-2);
  min-width: 148px;
}

.chat-composer-send-caption {
  color: var(--color-text-secondary);
  font-size: 0.82rem;
  line-height: 1.35;
}

.chat-send[aria-disabled="false"] {
  min-width: 140px;
}

.chat-composer[data-composer-state="loading"] .chat-send {
  background: color-mix(in srgb, var(--color-highlight) 22%, var(--color-primary));
  border-color: color-mix(in srgb, var(--color-highlight) 42%, var(--color-primary));
}

.notice-strip {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-divider) 78%, transparent);
  border-radius: var(--radius-control);
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-surface-tertiary) 82%, transparent), color-mix(in srgb, var(--color-surface) 92%, transparent));
}

.host-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  border-radius: var(--radius-panel);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface-secondary) 98%, transparent), color-mix(in srgb, var(--color-surface) 94%, transparent));
  box-shadow: var(--shadow-crisp);
  pointer-events: auto;
  transition:
    transform var(--transition-medium),
    box-shadow var(--transition-medium),
    border-color var(--transition-medium);
}

.host-card:hover {
  transform: translateY(calc(var(--space-1) * -1));
  box-shadow: var(--shadow-soft);
}

.host-card strong {
  font-family: var(--font-display);
  font-size: 1rem;
}

.host-card p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.dialog-panel {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--space-4);
  width: var(--dialog-panel-width);
  max-width: 100%;
  padding: var(--space-5);
  border: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  border-radius: var(--radius-panel);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface-secondary) 98%, transparent), color-mix(in srgb, var(--color-surface) 96%, transparent));
  box-shadow: var(--shadow-large);
  pointer-events: auto;
  transform: translateY(var(--space-2)) scale(0.98);
  transition:
    transform var(--transition-slow),
    box-shadow var(--transition-medium),
    opacity var(--transition-medium);
  overflow: hidden;
}

.dialog-host.is-visible .dialog-panel {
  transform: translateY(0) scale(1);
}

.dialog-panel:focus-within {
  box-shadow:
    var(--shadow-soft),
    inset 0 0 0 var(--border-width-thin) color-mix(in srgb, var(--color-highlight) 34%, transparent);
}

.dialog-scrim {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--color-background-overlay) 94%, transparent);
  opacity: 0;
  transition: opacity var(--transition-quick);
  pointer-events: none;
}

.dialog-host.is-visible .dialog-scrim {
  opacity: 1;
}

.dialog-header,
.dialog-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.dialog-copy {
  display: grid;
  gap: var(--space-2);
}

.dialog-copy strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1;
}

.dialog-hint {
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 60ch;
}

.dialog-body {
  display: grid;
  align-content: start;
  gap: var(--space-4);
  padding: var(--space-4) 0 var(--space-5);
  border-top: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  border-bottom: var(--border-width-thin) var(--border-style-standard) var(--color-border);
}

.dialog-body p {
  margin: 0;
  line-height: 1.65;
  color: var(--color-text-secondary);
}

.dialog-footer {
  align-items: center;
  padding-top: var(--space-1);
}

.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.dialog-actions-primary {
  justify-content: flex-end;
  margin-left: auto;
}

.shell-dialog-close {
  min-width: 96px;
}

.loading-card {
  padding: var(--space-5);
  box-shadow: var(--shadow-soft);
}

.drawer-panel {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--space-4);
  width: var(--drawer-panel-width);
  max-width: 100%;
  height: 100%;
  padding: var(--space-5);
  border-left: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface-secondary) 96%, transparent), color-mix(in srgb, var(--color-surface) 96%, transparent));
  box-shadow: var(--shadow-large);
  pointer-events: auto;
  transition:
    transform var(--transition-slow),
    box-shadow var(--transition-medium),
    width var(--transition-medium),
    opacity var(--transition-medium);
  overflow: hidden;
}

.drawer-panel:focus-within {
  box-shadow:
    var(--shadow-soft),
    inset 0 0 0 var(--border-width-thin) color-mix(in srgb, var(--color-highlight) 34%, transparent);
}

.drawer-header,
.drawer-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.drawer-copy {
  display: grid;
  gap: var(--space-2);
}

.drawer-copy strong {
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1;
}

.drawer-hint,
.drawer-footer-copy,
.drawer-footer-hint {
  color: var(--color-text-secondary);
}

.drawer-body {
  display: grid;
  align-content: start;
  gap: var(--space-4);
  padding: var(--space-4);
  border: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  border-radius: var(--radius-panel);
  background: color-mix(in srgb, var(--color-surface) 90%, transparent);
  overflow-y: auto;
}

.drawer-body p {
  margin: 0;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.drawer-footer {
  align-items: center;
  padding-top: var(--space-3);
  border-top: var(--border-width-thin) var(--border-style-standard) var(--color-border);
}

.shell-drawer-close {
  min-width: 108px;
}

.drawer-scrim {
  position: absolute;
  inset: 0;
  background: var(--color-background-overlay);
  opacity: 0;
  transition: opacity var(--transition-quick);
  pointer-events: none;
}

.drawer-host.is-visible .drawer-scrim {
  opacity: 1;
}

.workspace-header {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6);
  border: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  border-radius: var(--radius-panel);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface-secondary) 98%, transparent), color-mix(in srgb, var(--color-surface) 94%, transparent));
  box-shadow: var(--shadow-soft);
  animation: workspace-rise-in var(--transition-medium);
}

.workspace-breadcrumbs {
  color: var(--color-text-muted);
  font-size: 0.86rem;
}

.workspace-breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.workspace-breadcrumb-item {
  list-style: none;
}

.workspace-breadcrumb-separator {
  list-style: none;
  color: var(--color-text-muted);
}

.workspace-header-primary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
}

.workspace-title-block {
  display: grid;
  gap: var(--space-3);
  max-width: 760px;
}

.workspace-title-block h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.96;
}

.workspace-title-block p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: 1rem;
  max-width: 62ch;
}

.workspace-toolbar {
  display: flex;
  justify-content: flex-end;
  flex: 1 1 auto;
}

.workspace-toolbar .button-row {
  justify-content: flex-end;
}

.workspace-context-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.workspace-context-chip {
  display: grid;
  gap: calc(var(--space-1) + 2px);
  padding: var(--space-3) var(--space-4);
  border: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--color-surface-secondary) 82%, transparent);
}

.workspace-context-chip dt {
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  margin: 0;
}

.workspace-context-chip span,
.workspace-context-chip dd {
  min-width: 0;
  color: var(--color-text-primary);
  margin: 0;
}

.workspace-surface {
  align-content: start;
}

.workspace-surface > * {
  min-width: 0;
}

.workspace-filter-bar {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  border-radius: var(--radius-panel);
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-surface-secondary) 84%, transparent), color-mix(in srgb, var(--color-surface) 92%, transparent));
  box-shadow: var(--shadow-crisp);
}

.workspace-filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.workspace-filter-header strong {
  font-family: var(--font-display);
}

.workspace-filter-reset {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  white-space: nowrap;
}

.workspace-filter-groups {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.workspace-filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 var(--space-3);
  border: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  border-radius: var(--radius-large);
  background: var(--color-surface-secondary);
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  cursor: pointer;
  transition:
    transform var(--transition-quick),
    background var(--transition-medium),
    border-color var(--transition-medium),
    color var(--transition-medium),
    box-shadow var(--transition-medium);
}

.workspace-filter-chip.is-active {
  border-color: color-mix(in srgb, var(--color-primary) 30%, transparent);
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-text-primary);
}

.workspace-filter-chip:hover {
  transform: translateY(calc(var(--space-1) * -1));
  box-shadow: var(--shadow-crisp);
}

.workspace-filter-chip:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--color-highlight) 42%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-highlight) 16%, transparent);
}

.workspace-filter-chip:active {
  transform: scale(0.985);
}

.workspace-summary-grid {
  align-items: stretch;
}

.workspace-service-grid,
.workspace-collection-grid,
.workspace-state-grid {
  display: grid;
  gap: var(--space-4);
}

.workspace-service-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.workspace-service-grid > * {
  grid-column: span 4;
}

.workspace-collection-grid,
.workspace-state-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.workspace-state-card,
.workspace-list-card,
.workspace-table-card,
.workspace-collection-section {
  min-height: 100%;
  animation: workspace-fade-in var(--transition-medium);
}

.workspace-state-card,
.workspace-list-card,
.workspace-table-card {
  border-color: color-mix(in srgb, var(--color-border) 88%, transparent);
}

.workspace-skeleton-stack {
  display: grid;
  gap: var(--space-2);
}

.workspace-skeleton {
  display: block;
  width: 100%;
  height: 12px;
  border-radius: var(--radius-large);
  background: linear-gradient(90deg, color-mix(in srgb, var(--color-border) 72%, transparent), color-mix(in srgb, var(--color-surface-tertiary) 88%, transparent));
  background-size: 220% 100%;
  animation: workspace-shimmer 1.8s linear infinite;
}

.workspace-skeleton-title {
  width: 64%;
  height: 16px;
}

.workspace-skeleton-short {
  width: 42%;
}

.workspace-error-state {
  border-color: color-mix(in srgb, var(--color-warning) 28%, transparent);
  background: color-mix(in srgb, var(--color-surface-accent) 82%, var(--color-surface) 18%);
}

.workspace-section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.workspace-section-copy {
  display: grid;
  gap: var(--space-2);
}

.workspace-section-copy h3 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1;
}

.workspace-section-copy p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.55;
  max-width: 54ch;
}

.workspace-section-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-large);
  background: color-mix(in srgb, var(--color-success) 12%, transparent);
  color: var(--color-success);
  font-size: 0.86rem;
  font-family: var(--font-display);
  transition: transform var(--transition-quick), background var(--transition-medium), color var(--transition-medium);
}

.workspace-empty-state {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-4);
  padding: var(--space-4);
  border: var(--border-width-thin) dashed var(--color-border);
  border-radius: var(--radius-control);
  background: linear-gradient(180deg, color-mix(in srgb, var(--color-surface-accent) 84%, transparent), color-mix(in srgb, var(--color-surface) 90%, transparent));
  transition:
    transform var(--transition-medium),
    border-color var(--transition-medium),
    box-shadow var(--transition-medium);
  animation: workspace-fade-in var(--transition-medium);
}

.workspace-empty-state:hover {
  transform: translateY(calc(var(--space-1) * -1));
  border-color: color-mix(in srgb, var(--color-primary) 22%, transparent);
  box-shadow: var(--shadow-crisp);
}

.workspace-empty-illustration {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-large);
  background: color-mix(in srgb, var(--color-primary) 14%, transparent);
  color: var(--color-primary-strong);
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.workspace-empty-copy {
  display: grid;
  gap: var(--space-2);
  align-content: center;
}

.workspace-empty-copy strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.workspace-empty-copy p,
.workspace-empty-action {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.workspace-empty-action {
  font-size: 0.92rem;
  color: var(--color-primary-strong);
}

.workspace-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.workspace-list-item {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-top: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  transition:
    transform var(--transition-quick),
    border-color var(--transition-medium),
    color var(--transition-medium);
  list-style: none;
}

.workspace-list-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.workspace-list-item strong {
  font-family: var(--font-display);
  font-size: 1rem;
}

.workspace-list-item span {
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.workspace-list-item:hover {
  transform: translateX(var(--space-1));
}

.workspace-table-scroll {
  overflow-x: auto;
  padding-bottom: var(--space-2);
  margin-bottom: calc(var(--space-2) * -1);
  scrollbar-gutter: stable both-edges;
}

.workspace-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.workspace-table th,
.workspace-table td {
  padding: var(--space-3);
  border-top: var(--border-width-thin) var(--border-style-standard) var(--color-border);
  text-align: left;
  transition: background var(--transition-medium), color var(--transition-medium);
}

.workspace-table thead th {
  border-top: 0;
  color: var(--color-text-secondary);
  font-family: var(--font-display);
  font-size: 0.9rem;
  white-space: nowrap;
  border-bottom: var(--border-width-thin) var(--border-style-standard) color-mix(in srgb, var(--color-border) 76%, transparent);
}

.workspace-table tbody th[scope="row"] {
  font-family: var(--font-display);
  font-weight: 600;
}

.workspace-table tbody tr:hover td,
.workspace-table tbody tr:hover th {
  background: color-mix(in srgb, var(--color-surface-tertiary) 52%, transparent);
}

.workspace-table tbody tr:focus-within td,
.workspace-table tbody tr:focus-within th {
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

@keyframes workspace-rise-in {
  from {
    opacity: 0;
    transform: translateY(var(--space-2));
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes workspace-fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes workspace-shimmer {
  from {
    background-position: 200% 0;
  }

  to {
    background-position: -20% 0;
  }
}

@media (min-width: 1440px) {
  .workspace-service-grid > * {
    grid-column: span 3;
  }

  .workspace-collection-grid,
  .workspace-state-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .workspace-header {
    padding: var(--space-7);
  }

  .workspace-filter-bar,
  .surface-card,
  .foundation-band {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }
}

.host-card-informational {
  border-color: color-mix(in srgb, var(--color-info) 38%, transparent);
}

@media (max-width: 1024px) {
  .meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace-context-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workspace-service-grid > * {
    grid-column: span 6;
  }

  .workspace-header {
    padding: var(--space-5);
  }

  .workspace-title-block h1 {
    font-size: 2.5rem;
  }

  .workspace-title-block p {
    font-size: 0.98rem;
  }

  .surface-card h3,
  .foundation-band h3 {
    font-size: 1.12rem;
  }

  .chat-conversation-header {
    flex-direction: column;
  }

  .chat-conversation-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 767px) {
  .meta-grid {
    grid-template-columns: 1fr;
  }

  .workspace-filter-header,
  .workspace-section-header {
    flex-direction: column;
  }

  .workspace-empty-state,
  .workspace-collection-grid,
  .workspace-state-grid {
    grid-template-columns: 1fr;
  }

  .workspace-service-grid > * {
    grid-column: span 12;
  }

  .dialog-header,
  .dialog-footer {
    flex-direction: column;
  }

  .dialog-actions,
  .dialog-actions-primary,
  .dialog-actions-secondary {
    width: 100%;
  }

  .dialog-actions .button,
  .shell-dialog-close {
    width: 100%;
    min-width: 0;
  }

  .drawer-header,
  .drawer-footer {
    flex-direction: column;
  }

  .shell-drawer-close {
    min-width: 0;
    width: 100%;
  }

  .workspace-header {
    padding: var(--space-5);
  }

  .workspace-header-primary {
    flex-direction: column;
  }

  .workspace-title-block h1 {
    font-size: 2rem;
  }

  .workspace-title-block p {
    font-size: 0.94rem;
  }

  .workspace-toolbar,
  .workspace-toolbar .button-row {
    justify-content: flex-start;
  }

  .workspace-toolbar .button-row,
  .button-row {
    width: 100%;
  }

  .workspace-toolbar .button,
  .button-row .button {
    flex: 1 1 180px;
  }

  .workspace-context-strip {
    grid-template-columns: 1fr;
  }

  .chat-conversation-scroll {
    padding: var(--space-4);
  }

  .chat-conversation-viewport {
    min-height: 420px;
  }

  .chat-conversation-bubble,
  .chat-conversation-bubble--system {
    width: 100%;
  }

  .chat-conversation-bubble-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .workspace-filter-bar,
  .workspace-state-card,
  .workspace-list-card,
  .workspace-table-card,
  .workspace-collection-section,
  .surface-card,
  .foundation-band {
    padding: var(--space-4);
  }

  .workspace-empty-state {
    gap: var(--space-3);
    align-items: start;
  }

  .workspace-table {
    min-width: 420px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .surface-card,
  .host-card,
  .workspace-header,
  .workspace-state-card,
  .workspace-list-card,
  .workspace-table-card,
  .workspace-collection-section,
  .workspace-empty-state,
  .workspace-filter-chip,
  .workspace-list-item,
  .workspace-skeleton,
  .dialog-footer {
    animation: none;
    transition: none;
    transform: none;
  }
}