:root {
  color-scheme: dark;
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --accent-primary: #8b5cf6;
  --accent-secondary: #38bdf8;
  --accent-surface: rgba(139, 92, 246, 0.14);
  --bg-app: #090d16;
  --bg-panel: #111827;
  --bg-elevated: #172033;
  --bg-input: #0b111e;
  --border-subtle: rgba(148, 163, 184, 0.16);
  --border-focus: rgba(56, 189, 248, 0.55);
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --stage-scale: 1;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg-app);
  color: var(--text-primary);
  overflow-x: hidden;
}

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

.control-room-gate {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(9, 13, 22, 0.94);
}

.control-room-card {
  width: min(480px, 100%);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.app-frame {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar,
.status-rail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-panel);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.brand-subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
}

.topbar-actions,
.status-pill-group,
.status-summary,
.toolbar-cluster,
.snap-preset-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.status-rail {
  padding-top: 8px;
  padding-bottom: 8px;
  background: var(--bg-app);
}

.status-pill,
.metric-chip,
.node-pill,
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-secondary);
}

.status-pill.ok,
.status-badge.completed {
  border-color: rgba(34, 197, 94, 0.4);
  background: rgba(22, 101, 52, 0.25);
  color: #bbf7d0;
}

.status-pill.warn,
.status-badge.skipped {
  border-color: rgba(245, 158, 11, 0.45);
  background: rgba(146, 64, 14, 0.25);
  color: #fde68a;
}

.status-pill.neutral {
  border-color: rgba(56, 189, 248, 0.35);
  background: rgba(3, 105, 161, 0.2);
  color: #bae6fd;
}

.shell-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  min-height: calc(100vh - 110px);
}

.app-nav {
  padding: 16px;
  border-right: 1px solid var(--border-subtle);
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.nav-button-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-button {
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
}

.nav-button.active {
  border-color: var(--accent-secondary);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.24), rgba(56, 189, 248, 0.14));
}

.nav-title {
  font-weight: 700;
  font-size: 14px;
}

.nav-button small {
  color: var(--text-muted);
  font-size: 12px;
}

.nav-card {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.nav-profile-details summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.screen-stage {
  padding: 18px;
  min-width: 0;
}

.screen-view {
  display: none;
}

.screen-view.active {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 16px;
}

.workspace-header,
.panel-header-inline,
.canvas-stage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.canvas-stage-header {
  margin-bottom: 12px;
}

/* LIVE DECK & ONBOARDING WIZARD */
.live-deck-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.readiness-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.readiness-step-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}

.readiness-step-card.connected {
  border-color: rgba(34, 197, 94, 0.38);
}

.step-badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.step-number {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-secondary);
}

.deck-two-column {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 16px;
}

.live-track-readout {
  margin: 8px 0 4px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

.booth-pad-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.booth-pad {
  min-height: 68px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(56, 189, 248, 0.28);
  background: var(--bg-elevated);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 4px;
  text-align: left;
}

.booth-pad:hover {
  border-color: var(--accent-secondary);
  background: rgba(56, 189, 248, 0.12);
}

.booth-pad.accent-pad {
  border-color: rgba(139, 92, 246, 0.45);
  background: rgba(139, 92, 246, 0.16);
}

.booth-pad small {
  color: var(--text-muted);
  font-size: 12px;
}

.quick-flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.quick-flow-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.quick-flow-card.disabled {
  opacity: 0.6;
}

.quick-flow-meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.quick-flow-meta strong {
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.quick-flow-meta small {
  color: var(--text-muted);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.quick-flow-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.compact-search {
  width: 230px;
  margin-top: 0;
}

/* OVERLAY & FLOW WORKSPACES */
.overlay-screen-grid,
.flow-screen-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
  align-items: start;
}

.inspector-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.overlay-stage-viewport {
  width: 100%;
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  border: 1px dashed rgba(148, 163, 184, 0.28);
  background:
    linear-gradient(135deg, rgba(139, 92, 246, 0.14), rgba(14, 165, 233, 0.08)),
    #070b13;
}

.overlay-canvas {
  width: 1280px;
  height: 720px;
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: top left;
  transform: scale(var(--stage-scale, 1));
}

.builder-element {
  position: absolute;
  left: 0;
  top: 0;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: grab;
  user-select: none;
  touch-action: none;
  border: 1px solid transparent;
  will-change: transform;
}

.builder-element:active {
  cursor: grabbing;
}

.builder-element.selected {
  border-color: var(--accent-secondary);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.3);
}

.builder-element.box {
  background: rgba(124, 58, 237, 0.35);
}

.logic-canvas {
  position: relative;
  min-height: 440px;
  border-radius: 12px;
  border: 1px dashed rgba(148, 163, 184, 0.25);
  background: #070b13;
  overflow: auto;
}

.logic-node {
  position: absolute;
  width: 220px;
  padding: 12px;
  border-radius: 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  cursor: grab;
  user-select: none;
  touch-action: none;
  display: flex;
  flex-direction: column;
  gap: 5px;
  will-change: transform;
}

.logic-node.trigger {
  border-left: 4px solid #38bdf8;
}

.logic-node.condition {
  border-left: 4px solid #f59e0b;
}

.logic-node.action {
  border-left: 4px solid #a855f7;
}

.logic-node.selected {
  border-color: var(--accent-secondary);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.28);
}

.logic-node small {
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.35;
}

.connector-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.connector-layer line {
  stroke: rgba(56, 189, 248, 0.55);
  stroke-width: 2.5;
}

/* TYPOGRAPHY & CONTROLS */
h1,
h2,
h3,
h4 {
  margin: 0;
}

h1 {
  font-size: 20px;
}

h2 {
  font-size: 18px;
}

h3 {
  font-size: 15px;
}

.eyebrow {
  margin: 0 0 4px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-secondary);
}

.hint {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.45;
}

label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-top: 10px;
}

input,
textarea,
select {
  width: 100%;
  margin-top: 5px;
  padding: 9px 11px;
  border-radius: 9px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-input);
  color: var(--text-primary);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--border-focus);
}

button {
  min-height: 38px;
  padding: 8px 13px;
  border-radius: 9px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}

button:hover:not(:disabled) {
  border-color: rgba(56, 189, 248, 0.45);
  background: #1e293b;
}

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

button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent-primary), #0ea5e9);
  color: #ffffff;
}

.touch-pad-btn {
  min-height: 44px;
}

.field-grid,
.node-form-container,
.layer-list,
.theme-gallery,
.template-list,
.variable-drawer {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.split-fields,
.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.panel-subsection,
.custom-theme-box,
.advanced-json-details {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

.advanced-json-details summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.layer-button,
.theme-card,
.template-card {
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.layer-button {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.layer-button.active,
.theme-card.active {
  border-color: var(--accent-secondary);
}

.theme-swatches,
.chip-row,
.trace-chip-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.theme-swatch {
  width: 16px;
  height: 16px;
  border-radius: 999px;
}

.chip-button {
  min-height: 30px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.subscription-exempt-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
  margin: 12px 0;
}

.subscription-exempt-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
}

.subscription-exempt-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.subscription-exempt-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.subscription-exempt-item > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.subscription-exempt-item .hint {
  margin: 0;
}

.subscription-exempt-item.env-locked {
  opacity: 0.9;
}

.debug-log,
.trace-list,
.guidance-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.debug-log li,
.trace-entry,
.guidance-list li {
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  font-size: 13px;
}

.trace-header-row,
.trace-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.trace-meta {
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-muted);
}

.trace-chip {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
}

.inline-code {
  padding: 2px 6px;
  border-radius: 6px;
  background: var(--bg-input);
  color: #bae6fd;
  font-size: 12px;
}

.validation-message.error {
  color: #fca5a5;
}

.validation-message.success {
  color: #86efac;
}

.toast-stack {
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: min(360px, calc(100vw - 32px));
}

.toast-item {
  padding: 11px 14px;
  border-radius: 10px;
  background: #0f172a;
  border: 1px solid var(--border-focus);
  color: var(--text-primary);
  font-size: 13px;
}

.toast-item.success {
  border-color: rgba(34, 197, 94, 0.5);
}

.toast-item.error {
  border-color: rgba(248, 113, 113, 0.55);
}

.mobile-bottom-nav {
  display: none;
}

/* MOBILE & TABLET (< 960px): Thumb-Zone Nav, Linear Step Editor & Scaled Stage */
@media (max-width: 960px) {
  .app-frame {
    padding-bottom: calc(68px + env(safe-area-inset-bottom, 0px));
  }

  .topbar {
    padding: 10px 14px;
  }

  .brand-subtitle,
  .status-summary {
    display: none;
  }

  .status-rail {
    padding: 6px 14px;
    overflow-x: auto;
  }

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

  .app-nav {
    display: none;
  }

  .screen-stage {
    padding: 12px;
  }

  .readiness-steps-grid,
  .deck-two-column,
  .overlay-screen-grid,
  .flow-screen-grid,
  .help-grid {
    grid-template-columns: 1fr;
  }

  .booth-pad-grid {
    grid-template-columns: 1fr 1fr;
  }

  .booth-pad,
  button,
  input,
  select {
    min-height: 44px;
  }

  /* Responsive Linear Step Stack for Flow Canvas on Mobile */
  .logic-canvas {
    min-height: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .connector-layer {
    display: none;
  }

  .logic-node {
    position: relative !important;
    left: auto !important;
    top: auto !important;
    transform: none !important;
    width: 100%;
  }

  .mobile-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 35;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px));
    background: #0b111e;
    border-top: 1px solid var(--border-subtle);
  }

  .mobile-nav-btn {
    min-height: 48px;
    padding: 6px 4px;
    border-radius: 10px;
    border: 1px solid transparent;
    background: transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
  }

  .mobile-nav-btn strong {
    font-size: 12px;
  }

  .mobile-nav-btn small {
    font-size: 10px;
    color: var(--text-muted);
  }

  .mobile-nav-btn.active {
    background: rgba(56, 189, 248, 0.14);
    border-color: rgba(56, 189, 248, 0.4);
    color: #ffffff;
  }

  .toast-stack {
    bottom: calc(76px + env(safe-area-inset-bottom, 0px));
  }
}