:root {
  color-scheme: light;
  --bg: #f1f7fb;
  --surface: #ffffff;
  --surface-2: #edf7ff;
  --text: #142238;
  --muted: #64748b;
  --line: #d9e3ec;
  --accent: #2e7bb8;
  --accent-strong: #185f94;
  --warning: #a13f32;
  --code-bg: #0f1a28;
  --code-text: #d9e7f7;
  --shadow: 0 18px 45px rgba(20, 34, 56, 0.12);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgba(46, 123, 184, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(46, 123, 184, 0.07) 1px, transparent 1px),
    var(--bg);
  background-size: 28px 28px;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 330px);
  gap: 18px;
  align-items: stretch;
  min-height: 100vh;
  padding: 18px;
}

.app-shell.yaml-open {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 42vw);
}

.workspace,
.output-panel {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.workspace {
  display: flex;
  flex-direction: column;
}

.workspace-locked .view-switcher,
.workspace-locked .module-switcher,
.workspace-locked .builder-grid {
  display: none;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, #ffffff 0%, #edf7ff 100%);
}

.view-switcher {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.module-switcher {
  display: flex;
  gap: 6px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--line);
  background: #f5f9fd;
}

.module-switcher[hidden] {
  display: none;
}

.workspace-switcher {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.landing-screen {
  display: none;
  gap: 14px;
  padding: 22px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, #fbfdff 0%, #edf7ff 100%);
}

.workspace-locked .landing-screen {
  display: grid;
}

.landing-copy {
  display: grid;
  gap: 6px;
}

.landing-copy h2 {
  font-size: 1.3rem;
}

.landing-files {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.landing-file {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 12px;
}

.landing-file strong {
  color: var(--text);
  font-size: 0.92rem;
}

.landing-file span {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.35;
}

.landing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.landing-feedback {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 12px 14px;
  font-size: 0.88rem;
  line-height: 1.45;
}

.landing-feedback.success {
  border-color: #b7cfe2;
  background: #edf7ff;
  color: var(--accent-strong);
}

.landing-feedback.error {
  border-color: #d7aca7;
  background: #fff4f2;
  color: var(--warning);
}

.view-tab {
  min-height: 34px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
  padding: 0 12px;
}

.workspace-tab {
  display: grid;
  justify-items: start;
  gap: 2px;
  min-height: 52px;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdff;
  text-align: left;
  white-space: normal;
}

.workspace-tab-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text);
}

.workspace-tab-subtitle {
  font-size: 0.77rem;
  font-weight: 650;
  color: var(--muted);
  line-height: 1.2;
}

.view-tab:hover {
  border-color: var(--line);
  color: var(--text);
}

.view-tab.active {
  border-color: var(--accent);
  background: #edf7ff;
  color: var(--accent-strong);
  box-shadow: inset 0 0 0 1px rgba(46, 123, 184, 0.08);
}

.workspace-tab.active .workspace-tab-title {
  color: var(--accent-strong);
}

.workspace-tab.active .workspace-tab-subtitle {
  color: #4f6f93;
}

.view-tab:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.button:disabled,
.icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(1.35rem, 2.2vw, 2.15rem);
  line-height: 1.05;
}

h2 {
  font-size: 1rem;
}

.topbar-actions,
.editor-actions,
.section-title,
.output-header,
.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.button,
.icon-button {
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
  font-weight: 700;
  min-height: 40px;
}

.button {
  padding: 0 14px;
}

.button.secondary,
.button.compact {
  background: #ffffff;
  color: var(--accent-strong);
}

.button.compact {
  min-height: 34px;
  padding: 0 12px;
}

.button.danger {
  background: #ffffff;
  border-color: #d7aca7;
  color: var(--warning);
}

.icon-button {
  width: 38px;
  padding: 0;
  font-size: 1.35rem;
  line-height: 1;
}

.button:hover,
.icon-button:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: #ffffff;
}

.builder-grid {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  min-height: 0;
  flex: 1;
}

.builder-grid.state-map-layout {
  grid-template-columns: 1fr;
}

.builder-grid.main-config-layout {
  grid-template-columns: 1fr;
}

.builder-grid.state-map-layout .module-list {
  display: none;
}

.builder-grid.main-config-layout .module-list {
  display: none;
}

.module-list {
  border-right: 1px solid var(--line);
  background: var(--surface-2);
  min-width: 0;
}

.panel-heading {
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.module-tabs {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.module-tab {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  width: 100%;
  min-height: 54px;
  padding: 9px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  min-width: 0;
}

.module-tab.active {
  border-color: var(--accent);
  background: #ffffff;
}

.pixel-item {
  width: 32px;
  height: 32px;
  display: block;
  object-fit: contain;
  image-rendering: pixelated;
}

.pixel-item-fallback {
  border: 2px solid rgba(20, 34, 56, 0.28);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.5) 0 35%, transparent 36%),
    var(--item-color, #7b8a7a);
  box-shadow: inset -4px -4px rgba(0, 0, 0, 0.14);
}

.graham-sprite-item {
  background-image: url("assets/graham-items/items-28.png");
  background-repeat: no-repeat;
}

.module-tab-title {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 800;
  min-width: 0;
}

.module-tab-type {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  overflow-wrap: anywhere;
}

.module-tab-description {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.module-tab-label {
  display: block;
  min-width: 0;
  overflow: hidden;
}

.editor,
.state-tool,
.modes-editor,
.staff-modules-editor {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 16px;
  overflow: auto;
}

.editor[hidden],
.state-tool[hidden],
.modes-editor[hidden],
.staff-modules-editor[hidden] {
  display: none;
}

.main-config-editor {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 16px;
  overflow: auto;
}

.main-config-editor[hidden] {
  display: none;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  background: rgba(20, 34, 56, 0.48);
  padding: 18px;
}

.modal-panel {
  display: grid;
  align-content: start;
  gap: 14px;
  width: min(760px, 100%);
  max-height: min(760px, calc(100vh - 36px));
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 24px 70px rgba(20, 34, 56, 0.28);
  padding: 16px;
}

.confirm-modal {
  width: min(520px, 100%);
}

.confirm-body {
  color: var(--text);
  line-height: 1.5;
}

.confirm-actions {
  justify-content: flex-end;
}

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

.wizard-body {
  display: grid;
  gap: 14px;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.choice-card {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  min-height: 108px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 12px;
  cursor: pointer;
}

.choice-button {
  grid-template-columns: minmax(0, 1fr);
  color: var(--text);
  text-align: left;
}

.choice-button:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46, 123, 184, 0.12);
}

.choice-card:has(input:checked) {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46, 123, 184, 0.12);
}

.choice-card input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  margin-top: 2px;
  accent-color: var(--accent);
}

.choice-card strong,
.choice-card small {
  display: block;
}

.choice-card strong {
  margin-bottom: 6px;
}

.choice-card small {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.35;
}

.wizard-toggle {
  align-self: end;
  min-height: 40px;
}

.review-grid {
  display: grid;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.review-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  background: #ffffff;
}

.review-row + .review-row {
  border-top: 1px solid var(--line);
}

.review-row span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

.wizard-preview {
  border-radius: 8px;
  max-height: 320px;
}

.state-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}

.state-simulator {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 12px;
}

.state-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 34px;
}

.state-chip-shell {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.state-chip,
.module-chip {
  min-height: 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--text);
  padding: 5px 10px;
  font-size: 0.82rem;
  font-weight: 700;
}

.state-chip {
  cursor: pointer;
}

.state-chip.active {
  border-color: var(--accent);
  background: #edf7ff;
  color: var(--accent-strong);
}

.remove-state-button {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  min-height: 26px;
  border: 1px solid #d7aca7;
  border-radius: 6px;
  background: #ffffff;
  color: var(--warning);
  cursor: pointer;
  padding: 0;
}

.remove-state-button span {
  width: 12px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.remove-state-button:hover {
  border-color: var(--warning);
  background: #fff4f2;
}

.initial-state-config {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 14px;
}

.initial-state-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
}

.initial-state-row {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfe;
  padding: 9px 10px;
}

.initial-state-row input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  accent-color: var(--accent);
}

.initial-state-row strong,
.initial-state-row small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.initial-state-row small {
  color: var(--muted);
  font-size: 0.78rem;
}

.module-simulator {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 14px;
}

.simulator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr);
  gap: 12px;
}

.simulator-list,
.simulator-log {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 120px;
}

.simulator-module {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfe;
  color: var(--text);
  padding: 9px;
  text-align: left;
  cursor: pointer;
}

.simulator-module:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46, 123, 184, 0.12);
}

.simulator-module strong,
.simulator-module small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.simulator-module small {
  color: var(--muted);
  font-size: 0.78rem;
}

.simulator-event {
  display: grid;
  gap: 3px;
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  background: #f5f9fd;
  padding: 9px 10px;
}

.simulator-event strong {
  font-size: 0.84rem;
}

.simulator-event span {
  color: var(--muted);
  font-size: 0.8rem;
}

.simulator-empty {
  align-self: center;
  justify-self: start;
}

.state-flow {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(46, 123, 184, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(46, 123, 184, 0.07) 1px, transparent 1px),
    #fbfdff;
  background-size: 24px 24px;
  overflow: hidden;
}

.state-flow-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.84);
}

.flow-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.flow-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-line {
  width: 24px;
  height: 3px;
  border-radius: 999px;
}

.legend-line.visibility {
  background: #4f7db8;
}

.legend-line.enable {
  background: #2f9e63;
}

.legend-line.disable {
  background: #c24a3a;
}

.state-flow-lanes {
  display: grid;
  gap: 10px;
  padding: 12px;
  overflow-x: auto;
}

.flow-lane {
  display: grid;
  grid-template-columns: minmax(170px, 0.85fr) 72px minmax(220px, 1.1fr) 72px minmax(220px, 1.1fr);
  align-items: center;
  gap: 10px;
  min-width: 830px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  padding: 10px;
}

.flow-lane.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46, 123, 184, 0.12);
}

.flow-lane.blocked {
  background: rgba(255, 255, 255, 0.68);
}

.node-kicker {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 850;
  text-transform: uppercase;
}

.flow-pill,
.flow-module-card {
  min-width: 0;
  min-height: 62px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  padding: 9px 11px;
  text-align: left;
}

.flow-pill {
  display: grid;
  align-content: center;
  gap: 3px;
}

.flow-pill strong,
.flow-module-card strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.flow-pill.active {
  border-color: var(--accent);
  background: #edf7ff;
}

.flow-pill.initial {
  box-shadow: inset 0 0 0 2px rgba(46, 123, 184, 0.18);
}

.flow-pill.enable {
  border-color: #b7cfe2;
}

.flow-pill.disable {
  border-color: #e1aaa2;
}

.flow-pill.neutral {
  color: var(--muted);
}

.flow-module-card {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.flow-lane.visible .flow-module-card {
  border-color: #a6c9df;
}

.flow-lane.blocked .flow-module-card {
  opacity: 0.58;
}

.lane-arrow {
  display: grid;
  align-items: center;
  justify-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 850;
  text-transform: uppercase;
}

.lane-arrow::before {
  content: "";
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: #4f7db8;
}

.lane-arrow::after {
  content: "";
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 9px solid #4f7db8;
  margin-top: -20px;
  justify-self: end;
}

.lane-arrow.transition::before {
  background: linear-gradient(90deg, #2f9e63 0 50%, #c24a3a 50% 100%);
}

.lane-arrow.transition::after {
  border-left-color: #c24a3a;
}

.flow-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.state-module-picker {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 14px;
}

.state-module-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 8px;
}

.state-module-card {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--text);
  padding: 9px;
  text-align: left;
  cursor: pointer;
}

.state-module-card:hover {
  border-color: var(--accent);
}

.state-module-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46, 123, 184, 0.12);
}

.state-module-card.muted {
  opacity: 0.58;
}

.state-module-card strong,
.state-module-card small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.state-module-card small {
  color: var(--muted);
  font-size: 0.76rem;
}

.empty-state {
  color: var(--muted);
  font-size: 0.84rem;
}

.state-inspector {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 14px;
}

.modes-layout {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  gap: 14px;
  min-height: 0;
}

.staff-modules-layout {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  gap: 14px;
  min-height: 0;
}

.staff-mode-list,
.staff-mode-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  min-width: 0;
}

.staff-module-list,
.staff-module-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  min-width: 0;
}

.staff-module-list {
  padding: 10px;
}

.staff-mode-list {
  padding: 10px;
}

#staffModeTabs {
  display: grid;
  gap: 8px;
}

.staff-mode-tab {
  display: grid;
  gap: 4px;
  width: 100%;
  min-height: 56px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: #f8fbfe;
  color: var(--text);
  cursor: pointer;
  padding: 10px;
  text-align: left;
}

.staff-mode-tab.active {
  border-color: var(--accent);
  background: #edf7ff;
}

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

.staff-mode-tab small {
  color: var(--muted);
  font-size: 0.78rem;
}

.staff-mode-panel {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 14px;
}

.staff-mode-workspace {
  display: grid;
  grid-template-columns: minmax(210px, 250px) minmax(0, 1fr);
  gap: 14px;
  min-width: 0;
}

.staff-mode-sections {
  display: grid;
  align-content: start;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfe;
  padding: 10px;
}

.staff-mode-section-tab {
  display: grid;
  gap: 3px;
  width: 100%;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  padding: 10px 11px;
}

.staff-mode-section-tab strong {
  font-size: 0.9rem;
}

.staff-mode-section-tab span {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.35;
}

.staff-mode-section-tab.active {
  border-color: var(--accent);
  background: #ffffff;
}

.staff-mode-section-content {
  min-width: 0;
}

.staff-mode-section-content textarea {
  resize: none;
  overflow: hidden;
}

.staff-module-panel {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 14px;
}

.main-config-layout {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.main-config-list {
  min-width: 0;
}

.main-config-list .module-tabs {
  gap: 8px;
  padding: 0;
}

.main-config-list .module-tab {
  grid-template-columns: minmax(0, 1fr);
  min-height: 46px;
  padding: 8px 10px;
}

.sidebar-group {
  display: grid;
  gap: 6px;
  overflow: hidden;
}

.sidebar-group-header {
  display: grid;
  align-items: center;
  min-height: 46px;
  padding: 4px 10px;
}

.sidebar-group-toggle {
  align-items: center;
  min-height: 42px;
}

.sidebar-group-caret {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 900;
  line-height: 1;
  transform: rotate(0deg);
  transition: transform 160ms ease;
}

.sidebar-group-toggle.active .sidebar-group-caret {
  transform: rotate(90deg);
}

.sidebar-group-menu {
  display: grid;
  gap: 6px;
  padding-left: 8px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-3px);
  transition: max-height 180ms ease, opacity 180ms ease, transform 180ms ease;
}

.sidebar-group-menu.open {
  max-height: 1200px;
  opacity: 1;
  transform: translateY(0);
}

.sidebar-subtab {
  min-height: 42px;
}

.sidebar-group-divider {
  height: 1px;
  background: var(--line);
  margin: 6px 4px 2px;
}

.sidebar-group-label {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 4px 4px 0;
}


.main-config-panel {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 14px;
}

.staff-module-panel input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  min-height: 18px;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

.staff-module-list .module-tabs {
  padding: 0;
}

.staff-module-list .module-tab {
  grid-template-columns: minmax(0, 1fr);
  min-height: 62px;
  padding: 12px 14px;
}

.mode-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.mode-entry-list,
.mode-state-list {
  display: grid;
  gap: 8px;
}

.mode-state-list {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.mode-state-row {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fbfe;
  padding: 8px 10px;
}

.mode-state-row input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  accent-color: var(--accent);
}

.mode-gui-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(86px, 120px) 38px;
  gap: 8px;
  align-items: end;
}

.mode-gui-row .remove-command {
  min-height: 40px;
}

.transition-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}

.transition-summary span {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f5f9fd;
  color: var(--muted);
  padding: 8px 10px;
  font-size: 0.8rem;
  font-weight: 750;
  overflow-wrap: anywhere;
}

.form-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 14px;
}

.form-section > * + * {
  margin-top: 12px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

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

.field-with-help {
  display: grid;
  gap: 6px;
}

.field.full {
  grid-column: 1 / -1;
}

.field span,
.toggle span,
.hint,
.type-description {
  color: var(--muted);
  font-size: 0.84rem;
}

.field span,
.toggle span {
  font-weight: 700;
}

.field-help {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.35;
}

.field-inheritance {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
}

.field-status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f5f9fd;
  color: var(--muted);
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: 750;
}

.field-status.inherited {
  border-color: #b7cfe2;
  background: #edf7ff;
  color: var(--accent-strong);
}

.field-status.explicit {
  border-color: #b7cfe2;
  background: #edf7ff;
  color: var(--accent-strong);
}

.field-inheritance-button {
  min-height: 28px;
  padding: 0 10px;
}

.mode-summary {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f5f9fd;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.mode-toggle {
  display: grid;
  gap: 6px;
  min-width: 0;
  align-content: start;
}

.mode-toggle input {
  width: 18px;
  height: 18px;
  min-width: 18px;
  min-height: 18px;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

.toggle-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: var(--text);
  font-weight: 700;
}

.toggle-row input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  accent-color: var(--accent);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfdff;
  color: var(--text);
  min-height: 40px;
  padding: 9px 10px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46, 123, 184, 0.14);
}

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

.toggle input {
  width: 18px;
  height: 18px;
  min-height: 18px;
  min-width: 18px;
  flex: 0 0 auto;
  accent-color: var(--accent);
}

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

.command-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 38px;
  gap: 8px;
}

.remove-command {
  min-height: 40px;
  border: 1px solid #d7aca7;
  border-radius: 6px;
  background: #fff;
  color: var(--warning);
  cursor: pointer;
  font-weight: 900;
}

.type-description,
.validation-panel {
  border-radius: 6px;
  padding: 10px 12px;
}

.type-description {
  background: #eef6f1;
  border: 1px solid #cfe2d5;
}

.validation-panel {
  display: grid;
  gap: 6px;
  background: #fff7ed;
  border: 1px solid #edc49b;
  color: #79411b;
  font-size: 0.86rem;
}

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

.validation-panel p {
  margin: 0;
}

.output-panel {
  display: flex;
  flex-direction: column;
  align-self: start;
  min-height: 0;
  min-width: 0;
}

.app-shell.yaml-open .output-panel {
  align-self: stretch;
}

.output-toolbar {
  display: grid;
  align-items: start;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 16px;
  background: #142238;
  color: #ffffff;
}

.output-toolbar .eyebrow {
  color: #8ed3a8;
}

.output-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.output-actions .button {
  width: 100%;
}

.app-shell.yaml-open .output-toolbar {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}

.app-shell.yaml-open .output-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.app-shell.yaml-open .output-actions .button {
  width: auto;
}

.yaml-drawer {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  border-top: 1px solid #2b3a2d;
}

.yaml-drawer .yaml-editor {
  flex: 1;
  min-height: 0;
}

.feedback-panel {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 10px 16px;
  font-size: 0.84rem;
  font-weight: 750;
}

.feedback-panel.success {
  background: #edf7ff;
  color: #185f94;
}

.feedback-panel.error {
  background: #fff4f2;
  color: var(--warning);
}

.output-header {
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: #142238;
  color: #ffffff;
}

.modes-header {
  border-top: 1px solid #2b3a2d;
}

.output-header .eyebrow {
  color: #8ed3a8;
}

pre {
  margin: 0;
  overflow: auto;
  background: var(--code-bg);
  color: var(--code-text);
  padding: 16px;
  font: 0.88rem/1.55 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

code {
  white-space: pre;
}

.yaml-editor {
  display: block;
  width: 100%;
  min-height: 260px;
  border: 0;
  border-radius: 0;
  background: var(--code-bg);
  color: var(--code-text);
  padding: 16px;
  font: 0.88rem/1.55 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  resize: vertical;
  white-space: pre;
}

.yaml-editor:focus {
  box-shadow: inset 0 0 0 3px rgba(142, 211, 168, 0.28);
}

@media (max-width: 1080px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 0;
  }

  .workspace,
  .output-panel {
    border-left: 0;
    border-right: 0;
    border-radius: 0;
  }

  .topbar,
  .topbar-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .builder-grid {
    grid-template-columns: 1fr;
  }

  .module-list {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .module-tabs {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .field-grid,
  .modes-layout,
  .simulator-grid,
  .transition-summary,
  .state-simulator {
    grid-template-columns: 1fr;
  }

  .staff-mode-workspace {
    grid-template-columns: 1fr;
  }

  .main-config-layout {
    grid-template-columns: 1fr;
  }

  .mode-gui-row {
    grid-template-columns: 1fr;
  }

  .state-toolbar {
    grid-template-columns: 1fr;
  }

  .state-flow-header {
    align-items: stretch;
    flex-direction: column;
  }

  .flow-lane {
    min-width: 760px;
    grid-template-columns: 160px 56px 210px 56px 210px;
  }

  .choice-grid {
    grid-template-columns: 1fr;
  }

  .section-title,
  .editor-actions,
  .wizard-header,
  .wizard-actions {
    align-items: stretch;
    flex-direction: column;
  }
}