:root {
  color-scheme: light;
  --bg: #edf3f3;
  --panel: #ffffff;
  --panel-soft: #f5f9f9;
  --panel-raised: #fbfdfd;
  --panel-translucent: rgba(255, 255, 255, 0.94);
  --canvas: #f4fbfb;
  --ink: #17252a;
  --muted: #607478;
  --muted-strong: #53676a;
  --muted-soft: #789093;
  --line: #d4e1e2;
  --line-strong: #b8ccce;
  --line-accent: #9dced1;
  --cyan: #147f88;
  --cyan-bright: #24a6af;
  --cyan-soft: #def4f4;
  --cyan-pale: #effafa;
  --green: #18805d;
  --green-soft: #e2f5ed;
  --red: #bc3e43;
  --red-soft: #ffe9e9;
  --gray: #7c8c90;
  --mock: #9b5f16;
  --mock-soft: #fff1d8;
  --on-accent: #ffffff;
  --focus-color: rgba(24, 142, 151, 0.22);
  --overlay: rgba(23, 37, 42, 0.42);
  --shadow-sm: 0 6px 18px rgba(28, 77, 81, 0.09);
  --shadow: 0 18px 48px rgba(28, 77, 81, 0.12);
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-pill: 999px;
  --font-2xs: 0.65rem;
  --font-xs: 0.69rem;
  --font-sm: 0.72rem;
  --font-md: 0.8rem;
  --font-base: 0.875rem;
  --font-lg: 0.95rem;
  --font-title: 1.125rem;
  --font-xl: 1.25rem;
  --transition-fast: 160ms ease;
  --pulse-duration: 1.3s;
  --focus-ring: 0 0 0 3px var(--focus-color);
  --brand-start: #dff8f8;
  --brand-end: #9edfe1;
  --brand-border: #7cc6ca;
  --brand-ink: #155b61;
  --scroll-thumb: #b8ccce;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0c1517;
  --panel: #132225;
  --panel-soft: #192b2e;
  --panel-raised: #1d3033;
  --panel-translucent: rgba(19, 34, 37, 0.95);
  --canvas: #0f2023;
  --ink: #e7f1f1;
  --muted: #a5b8ba;
  --muted-strong: #bdcbcc;
  --muted-soft: #8ea4a6;
  --line: #294044;
  --line-strong: #3b575b;
  --line-accent: #4b8b91;
  --cyan: #67cbd1;
  --cyan-bright: #83dce0;
  --cyan-soft: #173d41;
  --cyan-pale: #122d30;
  --green: #68c99b;
  --green-soft: #173b2e;
  --red: #ff9094;
  --red-soft: #432326;
  --gray: #9aabad;
  --mock: #efbd70;
  --mock-soft: #3e3020;
  --on-accent: #081517;
  --focus-color: rgba(103, 203, 209, 0.34);
  --overlay: rgba(2, 8, 9, 0.72);
  --shadow-sm: 0 8px 22px rgba(0, 0, 0, 0.28);
  --shadow: 0 22px 56px rgba(0, 0, 0, 0.36);
  --brand-start: #1f4b50;
  --brand-end: #286a70;
  --brand-border: #3e858b;
  --brand-ink: #dffafa;
  --scroll-thumb: #3b575b;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #0c1517;
    --panel: #132225;
    --panel-soft: #192b2e;
    --panel-raised: #1d3033;
    --panel-translucent: rgba(19, 34, 37, 0.95);
    --canvas: #0f2023;
    --ink: #e7f1f1;
    --muted: #a5b8ba;
    --muted-strong: #bdcbcc;
    --muted-soft: #8ea4a6;
    --line: #294044;
    --line-strong: #3b575b;
    --line-accent: #4b8b91;
    --cyan: #67cbd1;
    --cyan-bright: #83dce0;
    --cyan-soft: #173d41;
    --cyan-pale: #122d30;
    --green: #68c99b;
    --green-soft: #173b2e;
    --red: #ff9094;
    --red-soft: #432326;
    --gray: #9aabad;
    --mock: #efbd70;
    --mock-soft: #3e3020;
    --on-accent: #081517;
    --focus-color: rgba(103, 203, 209, 0.34);
    --overlay: rgba(2, 8, 9, 0.72);
    --shadow-sm: 0 8px 22px rgba(0, 0, 0, 0.28);
    --shadow: 0 22px 56px rgba(0, 0, 0, 0.36);
    --brand-start: #1f4b50;
    --brand-end: #286a70;
    --brand-border: #3e858b;
    --brand-ink: #dffafa;
    --scroll-thumb: #3b575b;
  }
}

* {
  box-sizing: border-box;
  scrollbar-color: var(--scroll-thumb) transparent;
  scrollbar-width: thin;
}

html,
body {
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  margin: 0;
  overflow: hidden;
}

button,
input,
textarea {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast), transform var(--transition-fast);
}

.desktop-shell {
  display: grid;
  grid-template-areas:
    "side main"
    "side composer";
  grid-template-columns: 236px minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) auto;
  height: 100vh;
  min-height: 720px;
}

.sidebar,
.topbar,
.run-overview,
.bottom-composer,
.transfer-conversation-view {
  background: var(--panel-translucent);
}

.sidebar {
  border-right: 1px solid var(--line);
  display: grid;
  gap: 14px;
  grid-area: side;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  min-width: 0;
  padding: 48px 12px 12px;
}

.sidebar-title {
  align-items: center;
  display: flex;
  gap: 10px;
}

.sidebar-title > div {
  display: grid;
  gap: 2px;
}

.sidebar-title > div > span,
.title-block > span,
.side-section-title > span,
.run-overview article > span {
  color: var(--muted);
  font-size: var(--font-xs);
  font-weight: 800;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.sidebar-title strong {
  font-size: var(--font-lg);
  line-height: 1;
}

.app-mark {
  align-items: center;
  background: linear-gradient(145deg, var(--brand-start), var(--brand-end));
  border: 1px solid var(--brand-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  color: var(--brand-ink);
  display: inline-flex;
  font-size: var(--font-xl);
  font-weight: 900;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.project-section {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.project-section-header,
.project-section-heading {
  align-items: center;
  display: flex;
}

.project-section-header {
  justify-content: space-between;
  min-height: 30px;
}

.project-section-heading {
  gap: 7px;
  min-width: 0;
}

.project-section-heading > span {
  color: var(--muted);
  font-size: var(--font-xs);
  font-weight: 800;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.project-section-heading > strong {
  background: var(--panel-soft);
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: var(--font-2xs);
  min-width: 21px;
  padding: 3px 6px;
  text-align: center;
}

.add-project-button {
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--cyan);
  cursor: pointer;
  display: inline-flex;
  height: 30px;
  justify-content: center;
  padding: 0;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
  width: 32px;
}

.add-project-button:hover:not(:disabled) {
  background: var(--cyan-pale);
  border-color: var(--line-accent);
}

.add-project-button:active:not(:disabled) {
  transform: translateY(1px);
}

.add-project-button:focus-visible,
.project-item:focus-visible,
.project-empty-action:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 1px;
}

.add-project-button:disabled,
.project-item:disabled,
.project-empty-action:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

.add-project-button svg {
  fill: none;
  height: 17px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
  width: 17px;
}

.project-list {
  align-content: start;
  display: grid;
  gap: 3px;
  max-height: 130px;
  min-width: 0;
  overflow: auto;
}

.project-item {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  gap: 8px;
  grid-template-columns: 23px minmax(0, 1fr);
  min-width: 0;
  padding: 7px 8px;
  text-align: left;
  width: 100%;
}

.project-item:hover:not(:disabled) {
  background: var(--panel-soft);
}

.project-item.active {
  background: var(--cyan-pale);
  border-color: var(--line-accent);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.project-folder-icon {
  align-items: center;
  color: var(--muted);
  display: inline-flex;
  justify-content: center;
}

.project-item.active .project-folder-icon {
  color: var(--cyan);
}

.project-folder-icon svg {
  fill: none;
  height: 18px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
  width: 18px;
}

.project-copy,
.project-copy strong,
.project-copy small {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-copy strong {
  font-size: var(--font-sm);
  line-height: 1.25;
}

.project-copy small {
  color: var(--muted);
  font-size: var(--font-2xs);
  line-height: 1.35;
  margin-top: 1px;
}

.project-empty-action {
  background: color-mix(in srgb, var(--cyan-soft) 42%, transparent);
  border: 1px dashed var(--line-accent);
  border-radius: var(--radius-md);
  color: var(--cyan);
  cursor: pointer;
  font-size: var(--font-xs);
  font-weight: 700;
  min-height: 38px;
  padding: 7px 9px;
  width: 100%;
}

.project-empty-action:hover:not(:disabled) {
  background: var(--cyan-soft);
}

.source-card {
  background: linear-gradient(145deg, var(--cyan-pale), var(--cyan-pale));
  border: 1px solid var(--line-accent);
  border-radius: var(--radius-md);
  display: grid;
  gap: 4px;
  padding: 11px;
}

.source-card-label {
  color: var(--muted-strong);
  font-size: var(--font-2xs);
  font-weight: 800;
  text-transform: uppercase;
}

.source-card strong {
  color: var(--cyan);
  font-size: var(--font-md);
}

.source-card strong.mock-source {
  color: var(--mock);
}

.source-card small {
  color: var(--muted);
  font-size: var(--font-xs);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.side-section {
  display: grid;
  gap: 8px;
  grid-template-rows: auto auto minmax(0, 1fr);
  min-height: 0;
}

.side-section-title {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.side-section-title strong {
  background: var(--panel-soft);
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: var(--font-xs);
  padding: 4px 7px;
}

.history-title-actions {
  align-items: center;
  display: flex;
  gap: 6px;
}

.history-tools {
  display: grid;
  gap: 6px;
  grid-template-columns: minmax(0, 1fr) 82px;
}

.history-search {
  align-items: center;
  background: var(--panel-soft);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  display: grid;
  gap: 5px;
  grid-template-columns: 15px minmax(0, 1fr);
  min-width: 0;
  padding: 0 7px;
}

.history-search:focus-within {
  background: var(--panel);
  border-color: var(--line-accent);
  box-shadow: var(--focus-ring);
}

.history-search svg {
  fill: none;
  height: 14px;
  stroke: var(--muted);
  stroke-linecap: round;
  stroke-width: 1.8;
  width: 14px;
}

.history-search input,
.history-status-filter {
  background: transparent;
  border: 0;
  color: var(--ink);
  font-size: var(--font-2xs);
  min-height: 30px;
  min-width: 0;
  outline: 0;
}

.history-search input {
  width: 100%;
}

.history-search input::placeholder {
  color: var(--muted);
}

.history-status-filter {
  background: var(--panel-soft);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0 5px;
}

.history-status-filter:focus-visible {
  border-color: var(--line-accent);
  outline: 3px solid var(--focus-color);
}

.history-scope-button {
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--cyan);
  cursor: pointer;
  font-size: var(--font-2xs);
  font-weight: 800;
  min-height: 25px;
  padding: 2px 8px;
}

.history-scope-button.active {
  background: var(--cyan-soft);
  border-color: var(--line-accent);
}

.history-scope-button:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 1px;
}

.run-list {
  align-content: start;
  display: grid;
  gap: 6px;
  grid-auto-rows: max-content;
  min-height: 0;
  overflow: auto;
}

.empty-run {
  color: var(--muted);
  font-size: var(--font-sm);
  line-height: 1.5;
  padding: 8px 4px;
}

.history-no-match {
  display: grid;
  gap: 5px;
  justify-items: start;
}

.history-no-match strong {
  color: var(--ink);
  font-size: var(--font-sm);
}

.history-no-match span {
  font-size: var(--font-2xs);
}

.history-no-match button {
  background: var(--cyan-pale);
  border: 1px solid var(--line-accent);
  border-radius: var(--radius-sm);
  color: var(--cyan);
  cursor: pointer;
  font-size: var(--font-2xs);
  margin-top: 3px;
  min-height: 28px;
  padding: 0 8px;
}

.run-item {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  display: grid;
  gap: 6px;
  min-width: 0;
  padding: 8px;
}

.run-item.active {
  background: var(--cyan-pale);
  border-color: var(--line-accent);
}

.run-item > div {
  align-items: start;
  display: grid;
  gap: 6px;
  grid-template-columns: auto minmax(0, 1fr);
}

.run-item strong,
.run-item small {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.run-item strong {
  font-size: var(--font-sm);
}

.run-item small {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.history-mode {
  background: var(--cyan-soft);
  border-radius: var(--radius-pill);
  color: var(--cyan);
  font-size: var(--font-2xs);
  font-weight: 900;
  padding: 3px 4px;
}

.history-mode.mock {
  background: var(--mock-soft);
  color: var(--mock);
}

.main-workspace {
  display: grid;
  grid-area: main;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
}

.sequence-overview-view {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
}

.sequence-overview-view[hidden],
.transfer-conversation-view[hidden] {
  display: none;
}

.topbar {
  -webkit-app-region: drag;
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(260px, 1fr) auto auto;
  min-height: 76px;
  padding: 13px 16px 10px;
}

.title-block {
  min-width: 0;
}

.title-block h1 {
  font-size: var(--font-xl);
  line-height: 1.1;
  margin: 4px 0 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.run-status {
  align-items: center;
  display: flex;
  gap: 8px;
  min-width: 190px;
}

.run-status > div {
  display: grid;
  gap: 2px;
}

.run-status strong {
  font-size: var(--font-sm);
}

.run-status small {
  color: var(--muted);
  font-size: var(--font-2xs);
  max-width: 250px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.connection-dot {
  background: var(--muted);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--panel-soft);
  flex: 0 0 auto;
  height: 8px;
  width: 8px;
}

.connection-dot.connected,
.connection-dot.completed {
  background: var(--green);
  box-shadow: 0 0 0 4px var(--green-soft);
}

.connection-dot.connecting,
.connection-dot.starting,
.connection-dot.reconnecting,
.connection-dot.stopping {
  animation: connection-pulse var(--pulse-duration) ease-in-out infinite;
  background: var(--cyan-bright);
  box-shadow: 0 0 0 4px var(--cyan-soft);
}

.connection-dot.failed,
.connection-dot.disconnected {
  background: var(--red);
  box-shadow: 0 0 0 4px var(--red-soft);
}

.toolbar {
  -webkit-app-region: no-drag;
  align-items: center;
  display: flex;
  gap: 7px;
}

.theme-control {
  position: relative;
}

.theme-button > span {
  color: var(--cyan);
  font-size: var(--font-lg);
  margin-right: 3px;
}

.theme-menu {
  background: var(--panel-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  display: grid;
  gap: 4px;
  min-width: 214px;
  padding: 7px;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 40;
}

.theme-menu[hidden] {
  display: none;
}

.theme-menu button {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  gap: 9px;
  grid-template-columns: 24px minmax(0, 1fr);
  padding: 9px 10px;
  text-align: left;
}

.theme-menu button:hover,
.theme-menu button[aria-checked="true"] {
  background: var(--cyan-pale);
  border-color: var(--line-accent);
}

.theme-menu button:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 1px;
}

.theme-menu button > span {
  color: var(--cyan);
  font-size: var(--font-lg);
  text-align: center;
}

.theme-menu button > div {
  display: grid;
  gap: 2px;
}

.theme-menu strong {
  font-size: var(--font-sm);
}

.theme-menu small {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.tool-button {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  cursor: pointer;
  font-size: var(--font-sm);
  font-weight: 700;
  min-height: 34px;
  padding: 0 10px;
  white-space: nowrap;
}

.tool-button:hover:not(:disabled) {
  background: var(--panel-soft);
}

.tool-button:focus-visible,
.mission-form button:focus-visible {
  outline: 3px solid var(--focus-color);
}

.tool-button.mock {
  background: var(--mock-soft);
  border-color: var(--mock);
  color: var(--mock);
}

.tool-button.danger {
  color: var(--red);
}

.tool-button.subtle {
  color: var(--cyan);
}

.tool-button:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

.run-overview {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0;
  grid-template-columns: minmax(260px, 1.7fr) minmax(130px, 0.65fr) minmax(240px, 1.2fr) minmax(120px, 0.55fr);
  min-height: 58px;
  padding: 8px 14px;
}

.run-overview article {
  border-right: 1px solid var(--line);
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 0 14px;
}

.run-overview article:first-child {
  padding-left: 0;
}

.run-overview article:last-child {
  border-right: 0;
}

.run-overview strong {
  font-size: var(--font-md);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mode-badge {
  align-self: start;
  border-radius: var(--radius-pill);
  justify-self: start;
  padding: 4px 7px;
}

.mode-badge.real {
  background: var(--cyan-soft);
  color: var(--cyan);
}

.mode-badge.mock {
  background: var(--mock-soft);
  color: var(--mock);
}

.graph-stage {
  align-items: flex-start;
  background:
    radial-gradient(circle at 10% 0%, color-mix(in srgb, var(--cyan-bright) 16%, transparent), transparent 38%),
    var(--canvas);
  display: flex;
  justify-content: flex-start;
  min-height: 0;
  overflow: auto;
  padding: 12px;
  position: relative;
}

.graph-stage::before,
.graph-stage::after {
  align-self: stretch;
  content: "";
  flex: 0 0 24px;
  opacity: 0;
  pointer-events: none;
  position: sticky;
  transition: opacity var(--transition-fast);
  z-index: 12;
}

.graph-stage::before {
  background: linear-gradient(90deg, var(--canvas), transparent);
  left: -12px;
  margin-right: -24px;
}

.graph-stage::after {
  background: linear-gradient(270deg, var(--canvas), transparent);
  margin-left: -24px;
  right: -12px;
}

.graph-stage[data-overflow-left="true"]::before,
.graph-stage[data-overflow-right="true"]::after {
  opacity: 1;
}

.transfer-conversation-view {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}

.transfer-conversation-header {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 16px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-height: 78px;
  padding: 12px 22px;
}

.conversation-back {
  align-items: center;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--cyan);
  cursor: pointer;
  display: inline-flex;
  font-size: var(--font-md);
  font-weight: 700;
  gap: 9px;
  min-height: 44px;
  padding: 0 16px;
}

.conversation-back:hover {
  background: var(--cyan-pale);
  border-color: var(--line-accent);
  color: var(--cyan);
}

.conversation-back:focus-visible {
  outline: 3px solid var(--focus-color);
}

.conversation-back > span {
  font-size: var(--font-xl);
  line-height: 1;
}

.conversation-heading {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.conversation-heading > span,
.metadata-heading > span,
.metadata-field > span {
  color: var(--muted);
  font-size: var(--font-2xs);
  font-weight: 800;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.conversation-heading h2 {
  font-size: var(--font-lg);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.transfer-conversation-layout {
  background: var(--panel-soft);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 248px;
  min-height: 0;
  overflow: hidden;
}

.conversation-thread {
  min-height: 0;
  overflow: auto;
  padding: 38px max(28px, calc((100% - 760px) / 2)) 68px;
}

.conversation-message {
  display: grid;
  gap: 12px;
  grid-template-columns: 34px minmax(0, 1fr);
  margin: 0 0 32px;
}

.message-avatar {
  align-items: center;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--cyan);
  display: flex;
  font-size: var(--font-sm);
  font-weight: 900;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.message-avatar.process {
  background: var(--cyan-soft);
  border-color: var(--line-accent);
  color: var(--cyan);
  letter-spacing: 1px;
}

.message-avatar.output {
  background: var(--green-soft);
  border-color: var(--green-soft);
  color: var(--green);
}

.message-content {
  min-width: 0;
}

.message-content > header {
  align-items: baseline;
  display: flex;
  gap: 8px;
  margin: 1px 0 8px;
}

.message-content > header strong {
  font-size: var(--font-md);
}

.message-content > header span {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.message-content > p {
  font-size: var(--font-base);
  line-height: 1.65;
  margin: 0;
  overflow-wrap: anywhere;
}

.process-message .message-content {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  padding: 14px 16px;
}

.process-message.active .message-content {
  border-left-color: var(--cyan);
}

.process-summary {
  align-items: start;
  display: grid;
  gap: 10px;
  grid-template-columns: 8px minmax(0, 1fr) auto;
}

.process-dot {
  background: var(--green);
  border-radius: 50%;
  height: 7px;
  margin-top: 5px;
  width: 7px;
}

.process-message.active .process-dot {
  animation: connection-pulse var(--pulse-duration) ease-in-out infinite;
  background: var(--cyan-bright);
}

.process-summary strong {
  display: block;
  font-size: var(--font-sm);
  margin-bottom: 4px;
}

.process-summary p,
.process-summary time,
.safety-note {
  color: var(--muted);
  font-size: var(--font-xs);
  line-height: 1.5;
  margin: 0;
}

.process-summary time {
  white-space: nowrap;
}

.safety-note {
  border-top: 1px solid var(--line);
  display: block;
  margin-top: 12px;
  padding-top: 10px;
}

.output-route {
  color: var(--green);
  font-size: var(--font-xs);
  font-weight: 700;
  margin-top: 10px;
}

.output-message.failed .message-avatar,
.output-message.cancelled .message-avatar {
  background: var(--red-soft);
  border-color: var(--red-soft);
  color: var(--red);
}

.output-message.failed .output-route,
.output-message.cancelled .output-route {
  color: var(--red);
}

.conversation-pending {
  align-items: center;
  color: var(--muted);
  display: flex;
  gap: 12px;
  margin-left: 46px;
  padding: 8px 0;
}

.conversation-pending > span {
  animation: connection-pulse var(--pulse-duration) ease-in-out infinite;
  background: var(--cyan-bright);
  border-radius: 50%;
  height: 8px;
  width: 8px;
}

.conversation-pending p {
  display: grid;
  font-size: var(--font-xs);
  gap: 3px;
  margin: 0;
}

.conversation-pending strong {
  color: var(--muted-strong);
  font-size: var(--font-sm);
}

.conversation-metadata {
  align-content: start;
  background: var(--panel);
  border-left: 1px solid var(--line);
  display: grid;
  min-height: 0;
  overflow: auto;
  padding: 24px 18px;
}

.metadata-heading {
  display: grid;
  gap: 4px;
  margin-bottom: 16px;
}

.metadata-heading strong {
  font-size: var(--font-base);
}

.metadata-field {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 5px;
  padding: 12px 0;
}

.metadata-field p {
  font-size: var(--font-sm);
  line-height: 1.45;
  margin: 0;
  overflow-wrap: anywhere;
}

.metadata-value {
  align-items: start;
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) auto;
}

.metadata-value button {
  background: var(--cyan-pale);
  border: 1px solid var(--line-accent);
  border-radius: var(--radius-sm);
  color: var(--cyan);
  cursor: pointer;
  font-size: var(--font-2xs);
  min-height: 27px;
  padding: 0 7px;
}

.metadata-value button:hover {
  background: var(--cyan-soft);
}

.metadata-value button:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 1px;
}

.sequence-canvas {
  background: var(--panel-translucent);
  border: 0;
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px var(--line), var(--shadow);
  flex: 0 0 auto;
  min-width: 790px;
  position: relative;
  width: 100%;
}

.sequence-mode {
  align-items: center;
  color: var(--muted-strong);
  display: flex;
  font-size: var(--font-xs);
  gap: 6px;
  left: 13px;
  position: absolute;
  top: 86px;
  z-index: 5;
}

.sequence-mode > span {
  background: var(--cyan-bright);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--cyan-soft);
  height: 7px;
  width: 7px;
}

.sequence-mode.mock > span {
  background: var(--mock);
  box-shadow: 0 0 0 3px var(--mock-soft);
}

.sequence-lane {
  left: var(--lane-left);
  position: absolute;
  top: 12px;
  transform: translateX(-50%);
  z-index: 1;
}

.sequence-actor {
  align-content: center;
  background: var(--cyan-pale);
  border: 1px solid var(--line-accent);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  color: var(--cyan);
  display: grid;
  gap: 3px;
  height: 60px;
  justify-items: center;
  padding: 6px 10px;
  text-align: center;
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 146px;
}

.sequence-actor strong {
  font-size: var(--font-md);
  line-height: 1.1;
  white-space: nowrap;
}

.sequence-actor small {
  color: var(--muted-strong);
  font-size: var(--font-xs);
}

.sequence-lane.current > .sequence-actor:first-child {
  animation: actor-breathe 1.8s ease-in-out infinite;
  background: var(--cyan-pale);
  border-color: var(--cyan);
  box-shadow: 0 0 0 4px var(--focus-color), var(--shadow-sm);
}

.sequence-lifeline {
  background: repeating-linear-gradient(to bottom, var(--line-accent) 0 7px, transparent 7px 12px);
  display: block;
  height: var(--lane-height);
  margin: 0 auto;
  opacity: 0.7;
  width: 1px;
}

.sequence-actor.footer {
  height: 40px;
}

.sequence-actor.footer strong {
  font-size: var(--font-xs);
}

.sequence-lines,
.sequence-messages {
  inset: 0;
  position: absolute;
}

.sequence-lines {
  height: 100%;
  overflow: visible;
  pointer-events: none;
  width: 100%;
  z-index: 2;
}

#arrow-active path {
  fill: var(--cyan);
}

#arrow-completed path {
  fill: var(--green);
}

#arrow-failed path {
  fill: var(--red);
}

#arrow-cancelled path {
  fill: var(--gray);
}

.sequence-message-line {
  fill: none;
  opacity: 0.87;
  stroke: var(--cyan);
  stroke-linecap: round;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.sequence-message-line.active {
  animation: transfer-flow 0.9s linear infinite;
  filter: drop-shadow(0 0 3px var(--focus-color));
  opacity: 1;
  stroke: var(--cyan-bright);
  stroke-dasharray: 9 7;
  stroke-width: 2.7;
}

.sequence-message-line.completed {
  stroke: var(--green);
}

.sequence-message-line.failed {
  stroke: var(--red);
}

.sequence-message-line.cancelled {
  stroke: var(--gray);
  stroke-dasharray: 5 5;
}

.sequence-messages {
  pointer-events: none;
  z-index: 3;
}

.sequence-message {
  align-items: center;
  background: var(--panel-translucent);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--cyan);
  cursor: pointer;
  display: grid;
  gap: 2px;
  grid-template-columns: auto minmax(0, 1fr);
  height: var(--sequence-card-height);
  padding: 6px 8px;
  pointer-events: auto;
  position: absolute;
  text-align: left;
}

.sequence-message:hover,
.sequence-message.selected {
  background: var(--cyan-pale);
  border-color: var(--cyan);
  box-shadow: var(--shadow-sm);
}

.sequence-message:focus-visible {
  border-color: var(--cyan);
  outline: 3px solid var(--focus-color);
}

.sequence-action {
  background: var(--cyan-soft);
  border-radius: var(--radius-pill);
  color: var(--cyan);
  font-size: var(--font-2xs);
  font-weight: 900;
  max-width: 74px;
  overflow: hidden;
  padding: 3px 5px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sequence-message strong {
  font-size: var(--font-xs);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sequence-message small {
  color: var(--muted-strong);
  font-size: var(--font-xs);
  grid-column: 1 / -1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sequence-message.active {
  background: var(--cyan-pale);
  border-color: var(--cyan);
  box-shadow: var(--shadow-sm);
}

.sequence-message.completed {
  background: var(--green-soft);
  border-color: var(--green);
}

.sequence-message.completed .sequence-action {
  background: var(--green-soft);
  color: var(--green);
}

.sequence-message.failed {
  background: var(--red-soft);
  border-color: var(--red-soft);
  color: var(--red);
}

.sequence-message.failed .sequence-action {
  background: var(--red-soft);
  color: var(--red);
}

.sequence-message.cancelled {
  background: var(--panel-soft);
  border-color: var(--line);
  color: var(--muted-strong);
}

.sequence-message.cancelled .sequence-action {
  background: var(--line);
  color: var(--muted);
}

.empty-sequence {
  color: var(--muted);
  display: grid;
  gap: 8px;
  left: 50%;
  position: absolute;
  text-align: center;
  top: 46%;
  transform: translate(-50%, -50%);
  z-index: 4;
}

.empty-sequence strong {
  color: var(--muted-strong);
  font-size: var(--font-base);
}

.empty-sequence span {
  font-size: var(--font-sm);
}

.pill {
  background: var(--panel-soft);
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: var(--font-xs);
  font-weight: 900;
  padding: 5px 8px;
}

.pill.active {
  background: var(--cyan-soft);
  color: var(--cyan);
}

.pill.completed {
  background: var(--green-soft);
  color: var(--green);
}

.pill.failed {
  background: var(--red-soft);
  color: var(--red);
}

.bottom-composer {
  align-content: center;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 5px;
  grid-area: composer;
  max-height: 190px;
  min-width: 0;
  padding: 12px 18px 10px;
}

.mission-form {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 5px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.mission-form:focus-within {
  border-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.mission-input-row {
  align-items: center;
  display: grid;
  gap: 6px;
  grid-template-columns: 34px minmax(0, 1fr) 38px;
  min-width: 0;
}

.mission-form input {
  background: transparent;
  border: 0;
  color: var(--ink);
  height: 40px;
  min-width: 0;
  outline: 0;
  padding: 0;
  width: 100%;
}

.mission-form input::placeholder {
  color: var(--muted);
}

.mission-form input:disabled {
  color: var(--muted);
}

.start-button {
  align-items: center;
  background: var(--cyan);
  border: 0;
  border-radius: 50%;
  color: var(--on-accent);
  cursor: pointer;
  display: flex;
  font-size: var(--font-title);
  height: 36px;
  justify-content: center;
  line-height: 1;
  width: 36px;
}

.start-button:hover:not(:disabled) {
  background: var(--cyan);
}

.start-button:disabled {
  background: var(--muted);
  cursor: not-allowed;
}

.attachment-control {
  align-items: center;
  display: flex;
  justify-content: center;
  position: relative;
}

.attachment-button {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 50%;
  color: var(--muted-strong);
  cursor: pointer;
  display: flex;
  height: 32px;
  justify-content: center;
  padding: 0;
  width: 32px;
}

.attachment-button:hover:not(:disabled),
.attachment-button[aria-expanded="true"] {
  background: var(--panel-soft);
  color: var(--ink);
}

.attachment-button:focus-visible,
.attachment-menu button:focus-visible,
.attachment-remove:focus-visible {
  outline: 2px solid var(--muted);
  outline-offset: 2px;
}

.attachment-button:disabled {
  color: var(--muted);
  cursor: not-allowed;
}

.attachment-button svg {
  fill: none;
  height: 19px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.8;
  width: 19px;
}

.attachment-menu {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  bottom: calc(100% + 10px);
  box-shadow: var(--shadow);
  display: grid;
  gap: 2px;
  left: 0;
  min-width: 154px;
  padding: 5px;
  position: absolute;
  z-index: 20;
}

.attachment-menu[hidden] {
  display: none;
}

.attachment-menu button {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--ink);
  cursor: pointer;
  display: flex;
  gap: 9px;
  min-height: 38px;
  padding: 0 10px;
  text-align: left;
  white-space: nowrap;
}

.attachment-menu button:hover {
  background: var(--panel-soft);
}

.attachment-menu svg {
  fill: none;
  height: 18px;
  stroke: var(--muted-strong);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
  width: 18px;
}

.attachment-list {
  display: flex;
  gap: 6px;
  min-width: 0;
  overflow-x: auto;
  padding: 2px 1px 3px 35px;
  scrollbar-width: thin;
}

.attachment-list[hidden] {
  display: none;
}

.attachment-chip {
  align-items: center;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--muted-strong);
  display: inline-flex;
  flex: 0 0 auto;
  gap: 6px;
  max-width: 260px;
  min-height: 30px;
  padding: 0 5px 0 9px;
}

.attachment-kind-icon {
  color: var(--muted);
  display: inline-flex;
}

.attachment-kind-icon svg {
  fill: none;
  height: 15px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
  width: 15px;
}

.attachment-name {
  font-size: var(--font-sm);
  max-width: 190px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.attachment-remove {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: 50%;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  font-size: var(--font-lg);
  height: 22px;
  justify-content: center;
  line-height: 1;
  padding: 0;
  width: 22px;
}

.attachment-remove:hover {
  background: var(--line);
  color: var(--muted-strong);
}

.bottom-composer > p {
  color: var(--muted);
  font-size: var(--font-2xs);
  margin: 0 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.desktop-shell.stage-overview-open {
  grid-template-areas: "side main";
  grid-template-rows: minmax(0, 1fr);
}

.desktop-shell.stage-overview-open .bottom-composer {
  display: none;
}

.desktop-shell.task-session-open {
  grid-template-areas: "side main";
  grid-template-rows: minmax(0, 1fr);
}

.desktop-shell.task-session-open .bottom-composer {
  display: none;
}

.stage-overview-view {
  background: var(--panel-soft);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}

.stage-overview-view[hidden] {
  display: none;
}

.task-session-view {
  background: var(--panel-soft);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}

.task-session-view[hidden] {
  display: none;
}

.task-session-header {
  align-items: center;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-height: 96px;
  padding: 14px 22px;
}

.task-session-heading {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.task-session-heading > span,
.task-stage-group > header span,
.task-attempt-directory > header span,
.task-artifact-panel > header span,
.task-directory-intro span {
  color: var(--muted);
  font-size: var(--font-2xs);
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.task-session-heading h2 {
  font-size: var(--font-title);
  line-height: 1.2;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-session-heading p {
  color: var(--muted);
  font-size: var(--font-xs);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-session-header-meta {
  align-items: end;
  display: grid;
  gap: 7px;
  justify-items: end;
}

.task-session-header-meta strong {
  color: var(--cyan);
  font-size: var(--font-sm);
  white-space: nowrap;
}

.task-session-content {
  align-content: start;
  display: grid;
  gap: 14px;
  grid-auto-rows: max-content;
  min-height: 0;
  overflow: auto;
  padding: 18px 20px 42px;
}

.task-directory-intro,
.task-stage-group,
.task-attempt-directory,
.task-artifact-panel,
.task-conversation-thread {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  min-width: 0;
}

.task-directory-intro {
  align-items: center;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 15px 18px;
}

.task-directory-intro > div {
  display: grid;
  gap: 4px;
}

.task-directory-intro strong {
  font-size: var(--font-base);
}

.task-directory-intro p {
  color: var(--muted);
  font-size: var(--font-xs);
  margin: 0;
}

.task-stage-group,
.task-attempt-directory {
  padding: 17px;
}

.task-stage-group > header,
.task-attempt-directory > header,
.task-artifact-panel > header {
  align-items: end;
  display: flex;
  justify-content: space-between;
  margin-bottom: 13px;
}

.task-stage-group > header > div,
.task-attempt-directory > header > div {
  display: grid;
  gap: 3px;
}

.task-stage-group h3,
.task-attempt-directory h3 {
  font-size: var(--font-base);
  margin: 0;
}

.task-stage-group > header > strong,
.task-attempt-directory > header > strong,
.task-artifact-panel > header > strong {
  background: var(--panel-soft);
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: var(--font-2xs);
  padding: 5px 8px;
}

.task-stage-grid {
  display: grid;
  gap: 9px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.task-stage-card {
  align-items: start;
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  gap: 6px 10px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-height: 112px;
  padding: 12px;
  text-align: left;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.task-stage-card:hover {
  border-color: var(--line-accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.task-stage-card:focus-visible,
.task-attempt-card:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 2px;
}

.task-stage-number {
  align-items: center;
  background: var(--cyan-soft);
  border-radius: var(--radius-md);
  color: var(--cyan);
  display: inline-flex;
  font-size: var(--font-xs);
  font-weight: 900;
  height: 30px;
  justify-content: center;
  width: 34px;
}

.task-stage-card > div {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.task-stage-card > div strong {
  font-size: var(--font-md);
  line-height: 1.3;
}

.task-stage-card > div p {
  color: var(--muted);
  display: -webkit-box;
  font-size: var(--font-2xs);
  line-height: 1.45;
  margin: 0;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.task-stage-state {
  background: var(--panel-soft);
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: var(--font-2xs);
  font-weight: 800;
  padding: 4px 7px;
  white-space: nowrap;
}

.task-stage-card.completed .task-stage-state {
  background: var(--green-soft);
  color: var(--green);
}

.task-stage-card.running .task-stage-state {
  background: var(--cyan-soft);
  color: var(--cyan);
}

.task-stage-card > small {
  color: var(--muted);
  font-size: var(--font-2xs);
  grid-column: 2 / -1;
}

.task-stage-card > small b {
  color: var(--cyan);
  font-weight: 800;
  margin-left: 5px;
}

.task-attempt-grid {
  display: grid;
  gap: 9px;
}

.task-attempt-card {
  align-items: center;
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  gap: 6px 13px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-height: 88px;
  padding: 12px 14px;
  text-align: left;
}

.task-attempt-card:hover {
  background: var(--cyan-pale);
  border-color: var(--line-accent);
}

.task-attempt-index {
  background: var(--cyan-soft);
  border-radius: var(--radius-pill);
  color: var(--cyan);
  font-size: var(--font-2xs);
  font-weight: 900;
  padding: 6px 9px;
}

.task-attempt-card > div {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.task-attempt-card > div strong {
  font-size: var(--font-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.task-attempt-card > div p,
.task-attempt-card > small {
  color: var(--muted);
  font-size: var(--font-2xs);
  margin: 0;
}

.task-attempt-metric {
  color: var(--muted-strong);
  font-size: var(--font-xs);
  font-weight: 800;
}

.task-attempt-card > small {
  grid-column: 2 / -1;
}

.task-record-warning {
  background: var(--mock-soft);
  border: 1px solid var(--mock-soft);
  border-radius: var(--radius-md);
  color: var(--mock);
  font-size: var(--font-xs);
  padding: 9px 12px;
}

.task-conversation-layout {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 310px);
  min-height: 0;
}

.task-conversation-thread {
  display: grid;
  gap: 13px;
  padding: 20px;
}

.task-conversation-message {
  display: grid;
  gap: 11px;
  grid-template-columns: auto minmax(0, 1fr);
}

.task-message-avatar {
  align-items: center;
  background: var(--cyan-pale);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--cyan);
  display: flex;
  font-size: var(--font-xs);
  font-weight: 900;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.task-conversation-message.agent_output .task-message-avatar {
  background: var(--green-soft);
  border-color: var(--green-soft);
  color: var(--green);
}

.task-conversation-message.status .task-message-avatar {
  background: var(--panel-soft);
  border-color: var(--line);
  color: var(--muted);
}

.task-message-body {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 2px 12px 12px;
  display: grid;
  gap: 7px;
  padding: 11px 13px;
}

.task-message-body header {
  align-items: start;
  display: flex;
  justify-content: space-between;
}

.task-message-body header > div {
  display: grid;
  gap: 2px;
}

.task-message-body header strong {
  font-size: var(--font-sm);
}

.task-message-body header span,
.task-message-body header time,
.task-message-body > small {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.task-message-body p {
  font-size: var(--font-sm);
  line-height: 1.6;
  margin: 0;
  white-space: pre-wrap;
}

.task-artifact-panel {
  align-content: start;
  display: grid;
  gap: 9px;
  padding: 16px;
}

.task-artifact-card {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  display: grid;
  gap: 7px;
  padding: 11px;
}

.task-artifact-card header {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.task-artifact-card header span {
  background: var(--cyan-soft);
  border-radius: var(--radius-pill);
  color: var(--cyan);
  font-size: var(--font-2xs);
  font-weight: 900;
  padding: 4px 6px;
}

.task-artifact-card header strong,
.task-artifact-card time {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.task-artifact-card h4 {
  font-size: var(--font-sm);
  margin: 0;
}

.task-artifact-card p {
  color: var(--muted-strong);
  font-size: var(--font-2xs);
  line-height: 1.55;
  margin: 0;
}

.task-session-empty {
  color: var(--muted);
  display: grid;
  gap: 6px;
  justify-items: center;
  padding: 48px 20px;
  text-align: center;
}

.task-session-empty.compact {
  padding: 24px 10px;
}

.task-session-empty strong {
  color: var(--ink);
  font-size: var(--font-md);
}

.task-session-empty p {
  font-size: var(--font-xs);
  margin: 0;
}

.task-session-loading {
  display: grid;
  gap: 11px;
}

.task-session-loading span {
  animation: connection-pulse var(--pulse-duration) ease-in-out infinite;
  background: var(--line);
  border-radius: var(--radius-lg);
  display: block;
  height: 108px;
}

.task-session-loading span:nth-child(2) { animation-delay: 100ms; }
.task-session-loading span:nth-child(3) { animation-delay: 200ms; }

.stage-overview-button {
  align-items: center;
  border-color: var(--line-accent);
  color: var(--cyan);
  display: inline-flex;
  gap: 6px;
}

.stage-overview-button > span {
  color: var(--cyan);
  font-size: var(--font-lg);
}

.stage-overview-badge {
  background: var(--cyan-soft);
  border-radius: var(--radius-pill);
  color: var(--cyan);
  font-size: var(--font-2xs);
  padding: 3px 6px;
}

.stage-overview-header {
  align-items: center;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-height: 96px;
  padding: 14px 22px;
}

.stage-overview-heading {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.stage-overview-heading > span,
.stage-section-heading span {
  color: var(--muted);
  font-size: var(--font-2xs);
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.stage-overview-heading h2 {
  font-size: var(--font-title);
  line-height: 1.2;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stage-overview-heading p,
.stage-section-heading p {
  color: var(--muted);
  font-size: var(--font-xs);
  margin: 0;
}

.stage-overview-progress {
  align-items: end;
  display: grid;
  gap: 7px;
  justify-items: end;
}

.stage-overview-progress strong {
  color: var(--cyan);
  font-size: var(--font-sm);
  white-space: nowrap;
}

.stage-overview-scroll {
  align-content: start;
  display: grid;
  gap: 14px;
  grid-auto-rows: max-content;
  min-height: 0;
  overflow: auto;
  padding: 18px 20px 42px;
}

.stage-track-panel,
.stage-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  min-width: 0;
}

.stage-track-panel {
  box-shadow: var(--shadow-sm);
  min-height: 150px;
  overflow: hidden;
  padding: 17px 18px 18px;
}

.stage-panel {
  padding: 17px;
}

.stage-section-heading {
  align-items: end;
  display: flex;
  gap: 18px;
  justify-content: space-between;
  margin-bottom: 14px;
  min-width: 0;
}

.stage-section-heading > div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.stage-section-heading h3 {
  font-size: var(--font-base);
  margin: 0;
}

.stage-section-heading.compact {
  margin-bottom: 16px;
}

.stage-track {
  display: flex;
  gap: 12px;
  min-height: 82px;
  min-width: 100%;
  overflow-x: auto;
  padding: 3px 2px 8px;
  position: relative;
}

.stage-track-item {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--ink);
  cursor: pointer;
  display: grid;
  flex: 1 0 164px;
  gap: 9px;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  min-height: 60px;
  min-width: 164px;
  padding: 3px 4px;
  position: relative;
  text-align: left;
  z-index: 1;
}

.stage-track-index {
  align-items: center;
  background: var(--panel);
  border: 2px solid var(--line-accent);
  border-radius: 50%;
  color: var(--muted);
  display: inline-flex;
  font-size: var(--font-2xs);
  font-weight: 900;
  height: 46px;
  justify-content: center;
  width: 46px;
}

.stage-track-item.completed .stage-track-index {
  background: var(--green-soft);
  border-color: var(--green);
  color: var(--green);
}

.stage-track-item.running .stage-track-index {
  animation: connection-pulse var(--pulse-duration) ease-in-out infinite;
  background: var(--cyan-soft);
  border-color: var(--cyan);
  color: var(--cyan);
}

.stage-track-item.failed .stage-track-index {
  background: var(--red-soft);
  border-color: var(--red);
  color: var(--red);
}

.stage-track-item.selected::after {
  background: var(--cyan);
  border-radius: var(--radius-pill);
  bottom: -2px;
  content: "";
  height: 3px;
  left: 4px;
  position: absolute;
  right: 4px;
}

.stage-track-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.stage-track-copy strong,
.stage-track-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stage-track-copy strong {
  font-size: var(--font-sm);
}

.stage-track-copy small,
.stage-track-item em {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.stage-track-item em {
  background: var(--panel-soft);
  border-radius: var(--radius-pill);
  font-style: normal;
  font-weight: 800;
  padding: 3px 6px;
  white-space: nowrap;
}

.stage-track-item:focus-visible,
.run-item:focus-visible,
.history-more:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 1px;
}

.stage-overview-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(260px, 0.72fr) minmax(420px, 1.28fr);
  min-width: 0;
}

.stage-scope-tree {
  display: grid;
  gap: 7px;
}

.scope-node {
  min-width: 0;
}

.scope-node-line {
  align-items: center;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  display: grid;
  gap: 9px;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  min-height: 48px;
  padding: 8px 10px;
}

.scope-node-mark {
  background: var(--cyan);
  border-radius: 50%;
  height: 8px;
  width: 8px;
}

.scope-node.child .scope-node-mark {
  background: var(--muted);
}

.scope-node-line > div {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.scope-node-line strong,
.scope-node-line small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.scope-node-line strong {
  font-size: var(--font-sm);
}

.scope-node-line small,
.scope-state {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.scope-state {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 3px 6px;
  white-space: nowrap;
}

.scope-children {
  border-left: 1px solid var(--line);
  display: grid;
  gap: 7px;
  margin: 7px 0 0 15px;
  padding-left: 11px;
}

.stage-current-detail {
  min-width: 0;
}

.stage-detail-title {
  align-items: center;
  display: flex;
  gap: 10px;
}

.stage-kind {
  background: var(--cyan-soft);
  border-radius: var(--radius-sm);
  color: var(--cyan);
  font-size: var(--font-2xs);
  font-weight: 800;
  padding: 6px 7px;
  white-space: nowrap;
}

.stage-detail-title > div {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.stage-detail-title strong {
  font-size: var(--font-md);
}

.stage-detail-title small {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.stage-current-detail > p {
  color: var(--muted-strong);
  font-size: var(--font-md);
  line-height: 1.6;
  margin: 14px 0;
}

.stage-detail-grid {
  display: grid;
  gap: 7px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
}

.stage-detail-grid > div {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  min-width: 0;
  padding: 9px 10px;
}

.stage-detail-grid dt {
  color: var(--muted);
  font-size: var(--font-2xs);
  font-weight: 800;
  margin-bottom: 5px;
}

.stage-detail-grid dd {
  font-size: var(--font-xs);
  line-height: 1.45;
  margin: 0;
  overflow-wrap: anywhere;
}

.review-summary {
  align-items: start;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  display: grid;
  gap: 9px;
  grid-template-columns: 8px minmax(0, 1fr);
  margin-top: 12px;
  padding: 10px 11px;
}

.review-summary > span {
  background: var(--green);
  border-radius: 50%;
  height: 7px;
  margin-top: 4px;
  width: 7px;
}

.review-summary.pending > span,
.review-summary.awaiting > span {
  animation: connection-pulse var(--pulse-duration) ease-in-out infinite;
  background: var(--cyan);
}

.review-summary strong {
  display: block;
  font-size: var(--font-xs);
  margin-bottom: 3px;
}

.review-summary p {
  color: var(--muted);
  font-size: var(--font-2xs);
  line-height: 1.45;
  margin: 0;
}

.review-feedback-label {
  align-items: baseline;
  display: flex;
  gap: 10px;
  justify-content: space-between;
  margin: 13px 1px 6px;
}

.review-feedback-label > span {
  font-size: var(--font-xs);
  font-weight: 800;
}

.review-feedback-label > small {
  color: var(--muted);
  font-size: var(--font-2xs);
  text-align: right;
}

#reviewFeedback {
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  min-height: 86px;
  padding: 10px 11px;
  resize: vertical;
  width: 100%;
}

#reviewFeedback:focus {
  border-color: var(--cyan);
  box-shadow: var(--focus-ring);
  outline: none;
}

.review-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 10px;
}

.review-actions button {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--cyan);
  cursor: pointer;
  font-size: var(--font-xs);
  font-weight: 700;
  min-height: 34px;
  padding: 0 11px;
}

.review-actions button.primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--on-accent);
}

.review-actions button.rework {
  border-color: var(--red-soft);
  color: var(--red);
}

.review-actions button:disabled,
#reviewFeedback:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.review-actions button:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 1px;
}

.review-notice {
  color: var(--cyan);
  font-size: var(--font-2xs);
  line-height: 1.45;
  margin: 8px 1px 0;
}

.review-history {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 7px;
  margin-top: 13px;
  padding-top: 12px;
}

.review-history > strong {
  font-size: var(--font-xs);
}

.review-history article {
  background: var(--panel-soft);
  border-left: 2px solid var(--line-accent);
  padding: 7px 9px;
}

.review-history article > div {
  align-items: center;
  display: flex;
  gap: 8px;
  justify-content: space-between;
}

.review-history article span {
  color: var(--cyan);
  font-size: var(--font-2xs);
  font-weight: 700;
}

.review-history article time,
.review-history article p {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.review-history article p {
  line-height: 1.45;
  margin: 5px 0 0;
}

.stage-attempt-list {
  display: grid;
  gap: 0;
}

.stage-attempt {
  display: grid;
  gap: 11px;
  grid-template-columns: 13px minmax(0, 1fr);
  min-width: 0;
}

.attempt-rail {
  display: flex;
  justify-content: center;
  position: relative;
}

.attempt-rail::after {
  background: var(--line);
  bottom: 0;
  content: "";
  position: absolute;
  top: 0;
  width: 1px;
}

.stage-attempt:last-child .attempt-rail::after {
  bottom: 50%;
}

.attempt-rail > span {
  background: var(--muted);
  border: 3px solid var(--panel);
  border-radius: 50%;
  height: 11px;
  margin-top: 14px;
  position: relative;
  width: 11px;
  z-index: 1;
}

.stage-attempt.completed .attempt-rail > span { background: var(--green); }
.stage-attempt.running .attempt-rail > span { background: var(--cyan); }
.stage-attempt.failed .attempt-rail > span { background: var(--red); }

.attempt-main {
  border-bottom: 1px solid var(--panel-soft);
  min-width: 0;
  padding: 10px 2px 13px;
}

.stage-attempt:last-child .attempt-main {
  border-bottom: 0;
}

.attempt-main header,
.attempt-main footer {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}

.attempt-main header > div {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.attempt-main header strong {
  font-size: var(--font-sm);
}

.attempt-main header small,
.attempt-main header > span,
.attempt-main footer {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.attempt-main header > span {
  background: var(--panel-soft);
  border-radius: var(--radius-pill);
  padding: 3px 7px;
  white-space: nowrap;
}

.attempt-main > p {
  color: var(--muted-strong);
  font-size: var(--font-sm);
  line-height: 1.55;
  margin: 8px 0;
}

.attempt-main ul {
  color: var(--red);
  font-size: var(--font-xs);
  margin: 7px 0;
  padding-left: 18px;
}

.stage-empty {
  color: var(--muted);
  font-size: var(--font-sm);
  line-height: 1.55;
  padding: 12px 2px;
}

.stage-empty.wide {
  grid-column: 1 / -1;
}

.stage-loading {
  animation: connection-pulse var(--pulse-duration) ease-in-out infinite;
  animation-delay: calc(var(--delay) * 80ms);
  background: var(--line);
  border-radius: var(--radius-md);
  display: block;
  flex: 1 0 150px;
  height: 58px;
}

.run-item {
  appearance: none;
  cursor: pointer;
  text-align: left;
  width: 100%;
}

.run-item:hover {
  background: var(--panel-soft);
}

.history-session {
  background: var(--panel-soft);
  border: 1px solid var(--line-accent);
  border-radius: var(--radius-md);
  min-height: 80px;
  min-width: 0;
  overflow: hidden;
}

.history-session > summary {
  cursor: pointer;
  display: grid;
  gap: 6px;
  list-style: none;
  padding: 10px;
}

.history-session > summary::-webkit-details-marker {
  display: none;
}

.history-session > summary > div {
  align-items: center;
  display: grid;
  gap: 6px;
  grid-template-columns: auto minmax(0, 1fr);
}

.history-session > summary strong,
.history-session > summary small {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-session > summary strong {
  font-size: var(--font-sm);
}

.history-session > summary small {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.history-session[open] > summary {
  border-bottom: 1px solid var(--line);
}

.history-session-runs {
  display: grid;
  gap: 3px;
  max-height: 360px;
  overflow: auto;
  padding: 6px;
}

.history-flags {
  color: var(--muted);
  font-size: var(--font-2xs);
}

.history-more {
  background: transparent;
  border: 1px dashed var(--line-accent);
  border-radius: var(--radius-sm);
  color: var(--cyan);
  cursor: pointer;
  font-size: var(--font-xs);
  min-height: 34px;
}

.history-error {
  color: var(--red);
}

.toast-region {
  display: grid;
  gap: 8px;
  max-width: min(360px, calc(100vw - 32px));
  pointer-events: none;
  position: fixed;
  right: 18px;
  top: 84px;
  width: 330px;
  z-index: 100;
}

.toast {
  align-items: start;
  background: var(--panel-raised);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  color: var(--ink);
  display: grid;
  gap: 9px;
  grid-template-columns: 18px minmax(0, 1fr) 24px;
  padding: 11px 10px;
  pointer-events: auto;
}

.toast.success { border-left-color: var(--green); }
.toast.error { border-left-color: var(--red); }
.toast.warning { border-left-color: var(--mock); }

.toast-mark {
  color: var(--cyan);
  font-size: var(--font-base);
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
}

.toast.success .toast-mark { color: var(--green); }
.toast.error .toast-mark { color: var(--red); }
.toast.warning .toast-mark { color: var(--mock); }

.toast p {
  font-size: var(--font-sm);
  line-height: 1.4;
  margin: 0;
}

.toast button {
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--muted);
  cursor: pointer;
  font-size: var(--font-base);
  height: 24px;
  padding: 0;
  width: 24px;
}

.toast button:hover {
  background: var(--panel-soft);
  color: var(--ink);
}

.toast button:focus-visible {
  outline: 3px solid var(--focus-color);
}

.confirm-overlay {
  align-items: center;
  background: var(--overlay);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 24px;
  position: fixed;
  z-index: 120;
}

.confirm-overlay[hidden] {
  display: none;
}

.confirm-dialog {
  align-items: start;
  background: var(--panel-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  display: grid;
  gap: 14px;
  grid-template-columns: 38px minmax(0, 1fr);
  max-width: 480px;
  padding: 20px;
  width: 100%;
}

.confirm-icon {
  align-items: center;
  background: var(--mock-soft);
  border-radius: var(--radius-md);
  color: var(--mock);
  display: flex;
  font-size: var(--font-lg);
  font-weight: 800;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.confirm-dialog[data-confirm-tone="danger"] .confirm-icon {
  background: var(--red-soft);
  color: var(--red);
}

.confirm-dialog[data-confirm-tone="success"] .confirm-icon {
  background: var(--green-soft);
  color: var(--green);
}

.confirm-copy h2 {
  font-size: var(--font-lg);
  margin: 1px 0 6px;
}

.confirm-copy p {
  color: var(--muted);
  font-size: var(--font-md);
  line-height: 1.55;
  margin: 0;
}

.confirm-actions {
  display: flex;
  gap: 9px;
  grid-column: 2;
  justify-content: flex-end;
}

.confirm-actions button {
  background: var(--panel-soft);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--ink);
  cursor: pointer;
  font-size: var(--font-sm);
  font-weight: 700;
  min-height: 36px;
  padding: 0 13px;
}

.confirm-actions button.primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--on-accent);
}

.confirm-dialog[data-confirm-tone="danger"] .confirm-actions button.primary {
  background: var(--red);
  border-color: var(--red);
}

.confirm-actions button:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 1px;
}

.evolution-skeleton {
  animation: connection-pulse var(--pulse-duration) ease-in-out infinite;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  min-height: 112px;
}

.evolution-empty button {
  background: var(--cyan-pale);
  border: 1px solid var(--line-accent);
  border-radius: var(--radius-sm);
  color: var(--cyan);
  cursor: pointer;
  display: block;
  font-size: var(--font-sm);
  margin: 10px auto 0;
  min-height: 34px;
  padding: 0 11px;
}

@keyframes transfer-flow {
  to { stroke-dashoffset: -32; }
}

@keyframes actor-breathe {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--cyan-bright) 8%, transparent), var(--shadow-sm); }
  50% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--cyan-bright) 15%, transparent), var(--shadow); }
}

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

@media (max-width: 1180px) {
  .desktop-shell {
    grid-template-columns: 218px minmax(0, 1fr);
    grid-template-areas:
      "side main"
      "side composer";
  }

  .topbar {
    gap: 10px;
    grid-template-columns: minmax(220px, 1fr) auto;
  }

  .run-status {
    display: none;
  }

  .run-overview {
    grid-template-columns: minmax(250px, 1.5fr) minmax(130px, 0.6fr) minmax(230px, 1fr);
  }

  .run-overview article:last-child {
    display: none;
  }

  .transfer-conversation-layout {
    grid-template-columns: minmax(0, 1fr) 220px;
  }

  .conversation-thread {
    padding-left: 24px;
    padding-right: 24px;
  }

  .task-conversation-layout {
    grid-template-columns: minmax(0, 1fr) 250px;
  }
}

@media (max-width: 1160px) {
  .stage-overview-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .stage-overview-header {
    gap: 12px;
    padding-left: 14px;
    padding-right: 14px;
  }

  .stage-overview-progress {
    display: none;
  }

  .stage-overview-header {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .task-session-header {
    grid-template-columns: auto minmax(0, 1fr);
    padding-left: 14px;
    padding-right: 14px;
  }

  .task-session-header-meta {
    display: none;
  }

  .task-stage-grid,
  .task-conversation-layout {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* —— 自进化面板 —— */

.evolution-badge {
  background: var(--cyan);
  border-radius: var(--radius-pill);
  color: var(--on-accent);
  font-size: var(--font-xs);
  line-height: 1;
  min-width: 18px;
  padding: 3px 6px;
  text-align: center;
}

.evolution-overlay {
  align-items: center;
  background: var(--overlay);
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 32px;
  position: fixed;
  z-index: 60;
}

.evolution-overlay[hidden] {
  display: none;
}

.evolution-dialog {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  max-height: min(86vh, 920px);
  overflow: hidden;
  width: min(1180px, 100%);
}

.evolution-header {
  align-items: flex-start;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 16px;
  justify-content: space-between;
  padding: 20px 24px 16px;
}

.evolution-heading > span {
  color: var(--cyan);
  font-size: var(--font-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.evolution-heading h2 {
  font-size: var(--font-xl);
  margin: 4px 0;
}

.evolution-heading p {
  color: var(--muted);
  font-size: var(--font-sm);
  margin: 0;
}

.evolution-body {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
  padding: 20px 24px 24px;
}

.evolution-column {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.evolution-column-heading h3 {
  font-size: var(--font-base);
  margin: 0 0 2px;
}

.evolution-column-heading p {
  color: var(--muted);
  font-size: var(--font-sm);
  margin: 0 0 12px;
}

.evolution-proposal-list,
.evolution-reflection-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.evolution-empty {
  background: var(--panel-soft);
  border: 1px dashed var(--line);
  border-radius: var(--radius-lg);
  color: var(--muted);
  font-size: var(--font-md);
  margin: 0;
  padding: 18px 16px;
  text-align: center;
}

.evolution-proposal,
.evolution-reflection {
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
}

.evolution-proposal.status-applied {
  border-color: var(--green);
}

.evolution-proposal.status-rejected {
  opacity: 0.7;
}

.evolution-proposal-header,
.evolution-reflection-header {
  align-items: center;
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.evolution-version {
  color: var(--muted);
  font-size: var(--font-sm);
  margin-left: 6px;
}

.evolution-proposal-summary {
  font-size: var(--font-md);
  margin: 8px 0 4px;
}

.evolution-proposal-meta {
  color: var(--muted);
  display: block;
  font-size: var(--font-xs);
  margin-bottom: 8px;
}

.evolution-changes {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.evolution-change {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 10px 12px;
}

.evolution-change-path {
  color: var(--cyan);
  font-size: var(--font-sm);
}

.evolution-change-diff {
  align-items: baseline;
  display: flex;
  flex-wrap: wrap;
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: var(--font-sm);
  gap: 8px;
  margin-top: 6px;
  word-break: break-word;
}

.evolution-change-prev {
  background: var(--red-soft);
  border-radius: var(--radius-sm);
  color: var(--red);
  padding: 2px 6px;
  text-decoration: line-through;
}

.evolution-change-next {
  background: var(--green-soft);
  border-radius: var(--radius-sm);
  color: var(--green);
  padding: 2px 6px;
}

.evolution-change-arrow {
  color: var(--muted);
}

.evolution-change-rationale,
.evolution-decision-reason {
  color: var(--muted);
  font-size: var(--font-sm);
  margin: 8px 0 0;
}

.evolution-evidence-runs,
.evolution-recall,
.evolution-linked-proposal {
  color: var(--muted);
  font-size: var(--font-sm);
  margin: 8px 0 0;
  word-break: break-all;
}

.evolution-evidence-findings,
.evolution-findings {
  color: var(--ink);
  font-size: var(--font-sm);
  margin: 8px 0 0;
  padding-left: 18px;
}

.evolution-no-findings {
  color: var(--muted);
  font-size: var(--font-sm);
  margin: 8px 0 0;
}

.evolution-proposal-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.evolution-approve,
.evolution-reject {
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-md);
  font-weight: 600;
  padding: 8px 14px;
}

.evolution-approve {
  background: var(--green);
  color: var(--on-accent);
}

.evolution-reject {
  background: var(--red-soft);
  color: var(--red);
}

.evolution-approve:disabled,
.evolution-reject:disabled {
  cursor: default;
  opacity: 0.5;
}

.pill.evolution-status-pending {
  background: var(--mock-soft);
  color: var(--mock);
}

.pill.evolution-status-applied,
.pill.evolution-run-done {
  background: var(--green-soft);
  color: var(--green);
}

.pill.evolution-status-rejected,
.pill.evolution-run-failed {
  background: var(--red-soft);
  color: var(--red);
}

@media (max-width: 1160px) {
  .evolution-body {
    grid-template-columns: minmax(0, 1fr);
    overflow-y: auto;
  }
}

.mobile-demo-intro,
.web-demo-badge {
  display: none;
}

html[data-runtime="web-demo"] .web-demo-badge {
  align-items: center;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
  padding: 5px 6px 5px 11px;
}

html[data-runtime="web-demo"] .web-demo-badge span {
  color: var(--muted);
  font-size: var(--font-xs);
  font-weight: 600;
  letter-spacing: 0.03em;
}

html[data-runtime="web-demo"] .web-demo-badge a {
  background: var(--cyan-soft);
  border-radius: var(--radius-pill);
  color: var(--cyan);
  font-size: var(--font-xs);
  font-weight: 600;
  padding: 5px 8px;
  text-decoration: none;
}

html[data-runtime="web-demo"] .web-demo-badge a:active {
  opacity: 0.72;
}

@media (max-width: 1079px) {
  html[data-runtime="web-demo"] body {
    min-height: 100%;
    overflow: auto;
  }

  html[data-runtime="web-demo"] .desktop-shell,
  html[data-runtime="web-demo"] .toast-region,
  html[data-runtime="web-demo"] .confirm-overlay,
  html[data-runtime="web-demo"] .evolution-overlay {
    display: none;
  }

  html[data-runtime="web-demo"] .mobile-demo-intro {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 100dvh;
    padding: 24px 18px;
  }

  .mobile-demo-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 22px;
    max-width: 620px;
    overflow: hidden;
    padding: 24px;
    width: 100%;
  }

  .mobile-demo-brand {
    align-items: center;
    display: flex;
    gap: 10px;
  }

  .mobile-demo-brand .app-mark {
    height: 32px;
    width: 32px;
  }

  .mobile-demo-brand strong {
    font-size: var(--font-md);
  }

  .mobile-demo-copy > span {
    color: var(--cyan);
    font-size: var(--font-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
  }

  .mobile-demo-copy h1 {
    font-size: var(--font-xl);
    letter-spacing: -0.025em;
    line-height: 1.14;
    margin: 8px 0 10px;
  }

  .mobile-demo-copy p,
  .mobile-demo-notice span,
  .mobile-demo-status {
    color: var(--muted);
    font-size: var(--font-sm);
    line-height: 1.6;
    margin: 0;
  }

  .mobile-demo-preview {
    background: var(--panel-soft);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    display: block;
    height: auto;
    width: 100%;
  }

  .mobile-demo-notice {
    background: var(--cyan-soft);
    border: 1px solid var(--line-accent);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 14px 16px;
  }

  .mobile-demo-notice strong {
    color: var(--ink);
    font-size: var(--font-md);
  }

  .mobile-demo-return {
    align-items: center;
    background: var(--cyan);
    border-radius: var(--radius-md);
    color: var(--on-accent);
    display: flex;
    font-size: var(--font-md);
    font-weight: 600;
    justify-content: center;
    min-height: 44px;
    text-decoration: none;
  }

  .mobile-demo-return:active {
    opacity: 0.76;
    transform: scale(0.99);
  }

  .mobile-demo-status:empty {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .sequence-message-line.active {
    stroke-dasharray: none;
  }
}