.circuit-editor-layout,
.circuit-editor-content {
  min-width: 0;
}

.circuit-editor-layout .circuit-workspace {
  grid-template-columns: 142px minmax(0, 1fr);
}

.circuit-main #circuit-ai-toggle {
  gap: 7px;
  color: var(--ui-accent);
  border-color: var(--ui-accent);
}

#circuit-ai-toggle img {
  width: 17px;
  height: 17px;
}

.theme-dark #circuit-ai-toggle img {
  filter: brightness(0) invert(1);
}

.circuit-main #circuit-ai-toggle[aria-expanded='true'] {
  background: var(--ui-accent-soft);
}

.circuit-main :where(#circuit-mirror-x, #circuit-mirror-y)[aria-pressed='true'] {
  background: var(--ui-accent-soft);
  color: var(--ui-accent);
  border-color: var(--ui-accent);
}

.circuit-node.is-ai-highlighted .circuit-selection {
  stroke: var(--ui-accent);
  stroke-width: 3;
  fill: var(--ui-accent-soft);
}

.circuit-node.is-ai-highlighted circle {
  stroke: var(--ui-accent);
}

.circuit-wave-group.is-ai-highlighted {
  outline: 2px solid var(--ui-accent);
  outline-offset: 2px;
  background: var(--ui-accent-soft);
}

[data-trace-id].is-ai-highlighted {
  color: var(--ui-accent);
  font-weight: 700;
}

svg path[data-trace-id].is-ai-highlighted,
svg .is-ai-highlighted path[data-trace-id] {
  stroke-width: 3.5;
}

.circuit-ai-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--ui-line);
  border-radius: 8px;
  background: var(--ui-surface);
  color: var(--ui-text);
  overflow: hidden;
}

.circuit-ai-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 16px 14px;
}

.circuit-ai-heading > div {
  flex: 1;
  min-width: 0;
}

.circuit-main #circuit-ai-title {
  font-family: var(--font-ui);
  font-size: 1.03rem;
  line-height: 1.5;
  font-weight: 700;
}

.circuit-ai-heading p {
  margin-top: 2px;
  color: var(--ui-muted);
  font-size: 0.71rem;
  line-height: 1.6;
}

.circuit-main #circuit-ai-close {
  align-self: flex-start;
  flex: 0 0 32px;
  width: 32px;
  min-height: 32px;
  padding: 0;
  border-color: transparent;
  background: transparent;
  color: var(--ui-muted);
  font: 400 1.45rem / 1 var(--font-ui);
}

.circuit-sidebar-tabs {
  display: flex;
  flex: 0 0 auto;
  gap: 18px;
  padding: 0 16px;
  border-bottom: 1px solid var(--ui-line);
}

.circuit-main .circuit-sidebar-tabs button {
  flex: 1;
  gap: 7px;
  min-height: 43px;
  padding: 9px 2px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: var(--ui-muted);
  background: transparent;
  font-size: 0.79rem;
}

.circuit-main .circuit-sidebar-tabs button[aria-selected='true'] {
  border-bottom-color: var(--ui-accent);
  color: var(--ui-accent);
  font-weight: 700;
}

.circuit-sidebar-tab-avatar {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  object-fit: cover;
}

.circuit-sidebar-tabpanel {
  flex: 1 1 auto;
  min-height: 0;
  min-width: 0;
}

.circuit-sidebar-max {
  display: flex;
  flex-direction: column;
}

.circuit-sidebar-parameters {
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scroll-padding-block: 16px;
}

.circuit-ai-panel .circuit-inspector {
  padding: 18px 16px;
  border: 0;
}

.circuit-ai-panel .circuit-selection-actions {
  flex-wrap: wrap;
}

.circuit-ai-panel #circuit-parameters,
.circuit-ai-panel #circuit-connections {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.circuit-main .circuit-ai-context {
  padding: 9px 16px;
  border-bottom: 1px solid var(--ui-line);
  background: var(--ui-accent-soft);
  color: var(--ui-accent);
  font-size: 0.72rem;
  line-height: 1.65;
}

.circuit-ai-thread {
  flex: 1 1 auto;
  min-height: 180px;
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scroll-padding-block: 16px;
}

.circuit-ai-intro {
  padding: 27px 18px 22px;
}

.circuit-ai-intro > p:first-child {
  margin-bottom: 10px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.circuit-ai-intro > p:nth-child(2) {
  color: var(--ui-muted);
  font-size: 0.81rem;
  line-height: 1.85;
  text-wrap: pretty;
}

.circuit-ai-starters {
  display: grid;
  margin-top: 22px;
  gap: 0;
}

.circuit-main .circuit-ai-starters button {
  justify-content: space-between;
  min-height: 42px;
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid var(--ui-line);
  border-radius: 0;
  background: transparent;
  font-size: 0.79rem;
  text-align: left;
}

.circuit-ai-starters button::after {
  content: '↗';
  color: var(--ui-accent);
  font-size: 1rem;
}

.circuit-main .circuit-ai-starters button:hover {
  color: var(--ui-accent);
  border-color: var(--ui-accent);
}

.circuit-main .circuit-ai-intro-note {
  margin-top: 18px;
  color: var(--ui-muted);
  font-size: 0.7rem;
  line-height: 1.8;
}

.circuit-ai-message {
  padding: 18px 16px;
  border-bottom: 1px solid var(--ui-line);
}

.circuit-ai-message.is-user {
  background: var(--ui-page);
}

.circuit-ai-message-author {
  display: block;
  margin-bottom: 8px;
  color: var(--ui-muted);
  font-size: 0.72rem;
  font-weight: 600;
}

.circuit-ai-message.is-assistant .circuit-ai-message-author {
  color: var(--ui-accent);
}

.circuit-main .circuit-ai-message-body {
  min-width: 0;
  color: var(--ui-text);
  font-size: 0.82rem;
  line-height: 1.85;
  overflow-wrap: anywhere;
}

.circuit-ai-message.is-user .circuit-ai-message-body {
  white-space: pre-wrap;
}

.circuit-main .circuit-ai-message-body :where(p, ul, ol, pre, blockquote, table) {
  margin: 0 0 10px;
}

.circuit-main .circuit-ai-message-body > :last-child {
  margin-bottom: 0;
}

.circuit-main .circuit-ai-message-body :where(h1, h2, h3, h4) {
  margin: 16px 0 7px;
  font-size: 0.9rem;
}

.circuit-main .circuit-ai-message-body :where(ul, ol) {
  padding-left: 1.4em;
}

.circuit-ai-message-body :where(pre, table, .katex-display) {
  max-width: 100%;
  overflow-x: auto;
}

.circuit-ai-message-body img {
  max-width: 100%;
  height: auto;
}

.circuit-ai-message.is-pending .circuit-ai-message-body {
  color: var(--ui-muted);
  animation: circuit-ai-thinking 1.6s ease-in-out infinite;
}

.circuit-ai-message.is-error .circuit-ai-message-body {
  color: var(--ui-danger);
}

.circuit-ai-proposal {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--ui-line-strong);
}

.circuit-main .circuit-ai-proposal h3 {
  margin-bottom: 8px;
  font-size: 0.78rem;
}

.circuit-ai-proposal ul {
  margin: 0 0 13px;
  padding-left: 1.3em;
  color: var(--ui-muted);
  font-size: 0.75rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.circuit-main .circuit-ai-apply {
  min-height: 36px;
  padding: 8px 12px;
  border-color: var(--ui-accent);
  background: var(--ui-accent-soft);
  color: var(--ui-accent);
  font-size: 0.76rem;
}

.circuit-main .circuit-ai-reask {
  margin-left: 8px;
  border-color: transparent;
  background: transparent;
  font-size: 0.76rem;
}

.circuit-main .circuit-ai-proposal-note {
  margin-top: 9px;
  color: var(--ui-muted);
  font-size: 0.69rem;
  line-height: 1.75;
}

.circuit-ai-tools {
  display: flex;
  justify-content: space-between;
  flex: 0 0 auto;
  gap: 8px;
  padding: 6px 12px;
  border-top: 1px solid var(--ui-line);
}

.circuit-main .circuit-ai-tools button {
  min-height: 32px;
  padding: 4px;
  border-color: transparent;
  background: transparent;
  color: var(--ui-muted);
  font-size: 0.69rem;
}

.circuit-ai-form {
  flex: 0 0 auto;
  padding: 8px 16px 16px;
}

.circuit-ai-form > label {
  margin-bottom: 7px;
  color: var(--ui-text);
  font-size: 0.74rem;
}

.circuit-main #circuit-ai-input {
  min-height: 88px;
  max-height: 150px;
  resize: vertical;
  font-size: 0.8rem;
  line-height: 1.7;
  background: var(--ui-page);
}

.circuit-ai-compose-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.circuit-ai-compose-actions > span {
  color: var(--ui-muted);
  font-family: var(--font-ui);
  font-size: 0.65rem;
}

.circuit-main #circuit-ai-send {
  min-width: 62px;
  min-height: 34px;
  padding: 7px 12px;
  font-size: 0.76rem;
}

.circuit-main #circuit-ai-status {
  margin-top: 10px;
  font-size: 0.72rem;
}

.circuit-main .circuit-ai-login {
  margin-top: 8px;
  font-size: 0.75rem;
}

.circuit-ai-panel button {
  transition:
    color 160ms ease,
    background-color 160ms ease,
    border-color 160ms ease;
}

.circuit-ai-panel button:active:not(:disabled) {
  transform: translateY(1px);
}

@keyframes circuit-ai-thinking {
  50% {
    opacity: 0.45;
  }
}

@media (min-width: 1250px) {
  .circuit-editor-layout.has-assistant {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 310px;
    align-items: start;
    gap: 18px;
  }

  .circuit-ai-panel {
    position: sticky;
    top: 104px;
    height: min(760px, calc(100dvh - 120px));
  }

  .has-assistant .circuit-workspace {
    grid-template-columns: 136px minmax(0, 1fr);
  }

  .has-assistant .circuit-section-heading {
    gap: 12px;
  }
}

@media (min-width: 1600px) {
  .circuit-editor-layout.has-assistant {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 22px;
  }
}

@media (max-width: 1249px) {
  body.circuit-ai-drawer-open {
    overflow: hidden;
  }

  .circuit-ai-panel {
    position: fixed;
    inset: 14px 14px 14px auto;
    z-index: 301;
    width: min(410px, calc(100vw - 28px));
    max-height: calc(100dvh - 28px);
    box-shadow: -12px 0 40px color-mix(in srgb, var(--ui-text) 14%, transparent);
  }

  .circuit-ai-backdrop {
    position: fixed;
    inset: 0;
    z-index: 300;
    background: rgba(12, 30, 35, 0.4);
  }

  .circuit-ai-thread {
    min-height: 80px;
  }
}

@media (max-width: 900px) {
  .circuit-ai-panel {
    top: max(10px, env(safe-area-inset-top, 0px));
    bottom: var(--mobile-nav-clearance, 72px);
    right: 10px;
    width: min(410px, calc(100vw - 20px));
    max-height: calc(100dvh - var(--mobile-nav-clearance, 72px) - 10px);
  }

  .circuit-ai-heading {
    padding-top: 13px;
    padding-bottom: 11px;
  }

  .circuit-main #circuit-ai-input {
    font-size: 16px;
    min-height: 78px;
    max-height: 100px;
  }

  .circuit-ai-form {
    padding-bottom: 12px;
  }

  .circuit-main #circuit-ai-close {
    width: 38px;
    min-height: 38px;
    flex-basis: 38px;
  }

  .circuit-main #circuit-ai-send {
    min-height: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .circuit-ai-panel *,
  .circuit-ai-panel *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

.circuit-ai-mode-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}

.circuit-main .circuit-ai-mode-row label {
  flex: 1;
  color: var(--ui-muted);
  font-size: 0.72rem;
}

.circuit-main #circuit-ai-mode {
  width: auto;
  min-height: 32px;
  padding: 5px 26px 5px 9px;
  font-size: 0.73rem;
}

.circuit-main #circuit-ai-stop,
.circuit-main #circuit-ai-header-stop {
  min-height: 36px;
  padding: 7px 12px;
  border-color: var(--ui-danger);
  color: var(--ui-danger);
  font-size: 0.76rem;
}

.circuit-agent-actions {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--ui-line);
}

.circuit-agent-actions ul {
  padding-left: 1.3em;
  color: var(--ui-muted);
  font-size: 0.74rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.circuit-main .circuit-agent-outcome {
  margin-top: 9px;
  color: var(--ui-muted);
  font-size: 0.72rem;
  line-height: 1.75;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.circuit-main .circuit-agent-outcome.is-error {
  color: var(--ui-danger);
}

.circuit-ai-runbar {
  position: fixed;
  right: 22px;
  bottom: 20px;
  z-index: 302;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100vw - 28px);
  padding: 10px 12px;
  border: 1px solid var(--ui-accent);
  border-radius: 8px;
  background: var(--ui-surface);
  color: var(--ui-text);
  font-size: 0.76rem;
  box-shadow: 0 4px 20px color-mix(in srgb, var(--ui-text) 12%, transparent);
}

.circuit-ai-runbar span {
  flex: 1;
  min-width: 0;
}

.circuit-main .circuit-ai-runbar button {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 6px 9px;
  font-size: 0.73rem;
}

@media (max-width: 900px) {
  .circuit-ai-runbar {
    right: 10px;
    left: 10px;
    bottom: calc(var(--mobile-nav-clearance, 72px) + 8px);
    gap: 8px;
  }

  .circuit-main #circuit-ai-mode,
  .circuit-main #circuit-ai-stop {
    min-height: 40px;
  }
}