:root {
  --bg: #111418;
  --bg-elevated: #1b2128;
  --bg-panel: rgba(22, 27, 34, 0.92);
  --bg-panel-strong: #212934;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f3f6fa;
  --text-muted: #9ba7b4;
  --accent: #5de4c7;
  --accent-strong: #2fc9b1;
  --danger: #ff6f7d;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  --radius: 18px;
  --radius-small: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top, rgba(93, 228, 199, 0.08), transparent 28%),
    linear-gradient(180deg, #101318 0%, #141920 100%);
  color: var(--text);
  font-family: "Segoe UI", "Trebuchet MS", Arial, sans-serif;
}

body {
  min-height: 100vh;
}

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

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 20px;
  gap: 18px;
}

.app-header,
.canvas-pane,
.controls-pane,
.panel,
.preview-viewport,
.preview-frame,
.button,
.field input,
.field select,
.field textarea {
  border-radius: var(--radius-small);
}

.app-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  padding: 18px 22px;
  background: linear-gradient(180deg, rgba(28, 34, 43, 0.96), rgba(19, 23, 30, 0.96));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.header-brand h1 {
  margin: 4px 0 0;
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.eyebrow {
  margin: 0;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: end;
  justify-content: end;
}

.compact-field {
  min-width: 240px;
}

.workspace {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(320px, 0.9fr);
  gap: 18px;
  min-height: 0;
  align-items: start;
}

.canvas-pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 18px;
  background: linear-gradient(180deg, rgba(22, 27, 34, 0.94), rgba(13, 17, 23, 0.98));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.readiness-card,
.preset-preview-card {
  border: 1px solid var(--line);
  background: rgba(18, 23, 29, 0.94);
  box-shadow: var(--shadow);
}

/* ── Project Detail Card (header left column) ─────────────────────────────── */

.project-detail-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-small);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  min-width: 200px;
  max-width: 400px;
}

.pdc-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.01em;
}

.pdc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.pdc-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
  font-size: 0.73rem;
}

.pdc-label {
  color: var(--text-muted);
}

.pdc-value {
  color: var(--accent);
  font-weight: 600;
}

/* ── Workflow Breadcrumb ───────────────────────────────────────────────────── */

.workflow-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding: 4px 2px;
  margin-bottom: 14px;
  gap: 0;
  border: none;
  background: none;
  box-shadow: none;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.workflow-breadcrumb::-webkit-scrollbar {
  display: none;
}

.workflow-breadcrumb .workflow-step {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 4px 6px;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  border: none;
  background: none;
  border-radius: 0;
  opacity: 0.55;
}

.workflow-breadcrumb .workflow-step:not(:last-child)::after {
  content: '›';
  margin-left: 8px;
  font-size: 1rem;
  opacity: 0.4;
  font-weight: 300;
}

.workflow-breadcrumb .workflow-step.active {
  color: var(--accent);
  font-weight: 700;
  opacity: 1;
}

.canvas-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.canvas-topbar .workflow-breadcrumb {
  flex: 1;
  margin-bottom: 0;
  overflow-x: auto;
}

.canvas-topbar .toolbar-group {
  flex-shrink: 0;
}

.canvas-topbar .canvas-readout {
  flex-shrink: 0;
}

.pill-btn {
  border-radius: 999px !important;
  padding-left: 14px !important;
  padding-right: 14px !important;
}

.toolbar-group,
.action-row,
.field-row,
.segmented,
.canvas-readout {
  display: flex;
  gap: 10px;
}

.canvas-readout {
  color: var(--text-muted);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.82rem;
  align-items: center;
}

.canvas-stage {
  flex: 1;
  display: grid;
  place-items: center;
  min-height: 0;
  padding: 12px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0)),
    #0c1015;
  border: 1px solid var(--line);
}

.preview-viewport {
  width: min(100%, 820px);
  height: min(100%, 820px);
  display: grid;
  place-items: center;
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(93, 228, 199, 0.08), rgba(255, 255, 255, 0)),
    #10161d;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.preview-frame {
  position: relative;
  width: 320px;
  height: 568px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    #0d1117;
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.35);
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at top, rgba(93, 228, 199, 0.18), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(0, 0, 0, 0.14));
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.video-placeholder::before,
.video-placeholder::after {
  content: "";
  position: absolute;
  inset: 12%;
  border: 1px dashed rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.video-placeholder::after {
  inset: 24%;
}

.grid-overlay,
.safe-zone-overlay,
.alignment-guide-layer,
.overlay-layer,
.crop-box {
  position: absolute;
  inset: 0;
}

.grid-overlay {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 10% 10%;
  pointer-events: none;
}

.safe-zone-overlay::before {
  content: none;
}

.safe-guide {
  position: absolute;
  left: 0;
  width: 100%;
  border-top: 2px dashed currentColor;
  opacity: 0.95;
  pointer-events: none;
}

.safe-guide::after {
  content: attr(data-label);
  position: absolute;
  right: 10px;
  top: -18px;
  padding: 2px 6px;
  border-radius: 999px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  background: rgba(10, 14, 18, 0.88);
  border: 1px solid currentColor;
  color: inherit;
}

.safe-guide.top::before,
.safe-guide.bottom::before {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  height: 1px;
  background: currentColor;
  opacity: 0.45;
}

.safe-guide.top::before {
  top: -1px;
}

.safe-guide.bottom::before {
  top: -1px;
}

.safe-guide.tiktok {
  color: #ff4db8;
}

.safe-guide.instagram {
  color: #ff9b42;
}

.overlay-layer {
  z-index: 2;
}

.alignment-guide-layer {
  z-index: 3;
  pointer-events: none;
}

.alignment-guide {
  position: absolute;
  background: rgba(93, 228, 199, 0.95);
  box-shadow: 0 0 0 1px rgba(93, 228, 199, 0.18), 0 0 12px rgba(93, 228, 199, 0.28);
  opacity: 0.95;
}

.alignment-guide.vertical {
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-1px);
}

.alignment-guide.horizontal {
  left: 0;
  right: 0;
  height: 2px;
  transform: translateY(-1px);
}

.overlay-item {
  position: absolute;
  min-width: 32px;
  min-height: 24px;
  user-select: none;
  touch-action: none;
}

.overlay-item.selected {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  z-index: 4;
}

.overlay-item.text-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px 8px;
  word-break: break-word;
}

.overlay-item.image-item img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: fill;
  pointer-events: none;
}

.resize-handle {
  position: absolute;
  width: 14px;
  height: 14px;
  right: -7px;
  bottom: -7px;
  background: var(--accent);
  border: 2px solid #0d1117;
  border-radius: 50%;
  cursor: nwse-resize;
}

.crop-box {
  z-index: 4;
  border: 2px dashed #ffb84d;
  background: rgba(255, 184, 77, 0.08);
  touch-action: none;
}

.crop-box.selected {
  box-shadow: inset 0 0 0 1px rgba(255, 184, 77, 0.9);
}

.crop-box .resize-handle {
  background: #ffb84d;
}

.controls-pane {
  min-height: 0;
  overflow: hidden;
}

.inspector-shell {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
}

.inspector-tabs {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  padding: 8px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.inspector-tab {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 10px;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.88rem;
}

.inspector-tab.active,
.inspector-tab:hover {
  color: var(--text);
  border-color: rgba(93, 228, 199, 0.5);
  background: rgba(93, 228, 199, 0.1);
}

.inspector-panel {
  display: none;
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.inspector-panel.active {
  display: block;
}

.subpanel-tabs {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.subpanel-tabs[data-subtab-group="layers"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.subpanel-tabs[data-subtab-group="project"],
.subpanel-tabs[data-subtab-group="assembly"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.subpanel-tabs[data-subtab-group="video"] {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.subpanel-tab {
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  font-weight: 700;
  text-align: left;
  transition: border-color .2s ease, background-color .2s ease;
}

.subpanel-tab:hover,
.subpanel-tab:focus-visible,
.subpanel-tab.active {
  border-color: var(--accent);
  background: rgba(93, 228, 199, 0.08);
  outline: none;
}

.subpanel {
  display: none;
}

.subpanel.active {
  display: block;
}

.mode-panel {
  display: none;
}

.mode-panel.active {
  display: block;
}

.panel-heading {
  padding: 16px 18px;
  font-weight: 600;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-body-tight {
  padding-top: 0;
}

.readiness-card,
.preset-preview-card {
  border-radius: var(--radius-small);
  padding: 16px 18px;
  margin-bottom: 14px;
}

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

.readiness-kicker {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.68rem;
}

.readiness-badge,
.preset-preview-tag {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.78rem;
  font-weight: 700;
}

.readiness-badge.ready {
  color: #9df4ca;
  border-color: rgba(93, 228, 199, 0.45);
  background: rgba(93, 228, 199, 0.1);
}

.readiness-badge.warn {
  color: #ffd58d;
  border-color: rgba(255, 184, 77, 0.4);
  background: rgba(255, 184, 77, 0.1);
}

.readiness-badge.error {
  color: #ffc2ca;
  border-color: rgba(255, 111, 125, 0.4);
  background: rgba(255, 111, 125, 0.1);
}

.readiness-text,
.preset-preview-text,
.output-note {
  margin: 10px 0 0;
  color: var(--text-muted);
  line-height: 1.5;
}

.preset-preview-title {
  margin: 10px 0 0;
  font-size: 1.08rem;
}

.validation-list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--text-muted);
}

.validation-list li {
  margin-bottom: 8px;
}

.validation-list li.error {
  color: #ffc2ca;
}

.validation-list li.warn {
  color: #ffd58d;
}

.quick-preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.quick-preset-btn,
.trim-preset-btn {
  padding: 8px 12px;
}

.panel {
  margin-bottom: 14px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  overflow: hidden;
}

.panel summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
  font-weight: 600;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel summary::-webkit-details-marker {
  display: none;
}

.panel-body {
  padding: 0 18px 18px;
}

.help-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(93, 228, 199, 0.32);
  background: rgba(93, 228, 199, 0.08);
  color: var(--accent);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.help-icon:hover,
.help-icon:focus-visible {
  border-color: rgba(93, 228, 199, 0.55);
  background: rgba(93, 228, 199, 0.14);
  outline: none;
}

.help-tooltip {
  position: fixed;
  max-width: 320px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(93, 228, 199, 0.22);
  background: rgba(15, 20, 26, 0.98);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.36);
  z-index: 30;
  pointer-events: none;
}

.help-tooltip[hidden] {
  display: none;
}

.help-tooltip-title {
  margin: 0 0 6px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 700;
}

.help-tooltip-text {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.field span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--bg-panel-strong);
  color: var(--text);
  padding: 11px 12px;
  outline: none;
}

.field input[type="color"] {
  min-height: 44px;
  padding: 2px;
  background: transparent;
  cursor: pointer;
}

.field input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.field input[type="color"]::-webkit-color-swatch {
  border: none;
  border-radius: 10px;
}

.field input[type="color"]::-moz-color-swatch {
  border: none;
  border-radius: 10px;
}


.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(93, 228, 199, 0.55);
  box-shadow: 0 0 0 3px rgba(93, 228, 199, 0.12);
}

.field textarea {
  resize: vertical;
}

.field-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.field-row {
  align-items: end;
}

.field-row > .field {
  flex: 1;
}

.checkbox-field {
  flex-direction: row;
  align-items: center;
  gap: 10px;
}

.checkbox-field input {
  width: auto;
  margin: 0;
}

.button {
  border: 1px solid transparent;
  padding: 10px 14px;
  background: #202834;
  color: var(--text);
  transition: 150ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: #08120f;
  font-weight: 700;
}

.button.secondary {
  background: linear-gradient(180deg, #2b3542, #202834);
  border-color: var(--line);
}

.button.ghost {
  background: transparent;
  border-color: var(--line);
}

.button.ghost.active,
.button.ghost:hover,
.segmented .button.active {
  border-color: rgba(93, 228, 199, 0.5);
  background: rgba(93, 228, 199, 0.08);
}

.button.danger {
  color: #ffc9d0;
  border-color: rgba(255, 111, 125, 0.28);
}

.action-row {
  flex-wrap: wrap;
  margin-top: 14px;
}

.brand-asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(128px, 1fr));
  gap: 12px;
  margin-top: 10px;
}

.brand-asset-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: stretch;
  min-height: 142px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  transition: border-color .2s ease, background-color .2s ease, transform .2s ease;
}

.brand-asset-card:hover,
.brand-asset-card:focus-visible {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
  outline: none;
}

.brand-asset-card.active {
  border-color: var(--accent);
  background: rgba(93, 228, 199, 0.08);
}

.brand-asset-preview {
  display: grid;
  place-items: center;
  height: 76px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01)),
    #11161d;
  overflow: hidden;
}

.brand-asset-preview img {
  max-width: 100%;
  max-height: 64px;
  object-fit: contain;
}

.brand-asset-preview-fallback {
  color: var(--text-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.brand-asset-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-asset-name {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
  word-break: break-word;
}

.brand-asset-tag {
  align-self: flex-start;
  padding: 3px 7px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.action-row.stacked {
  flex-direction: column;
}

/* ── Scale Mode Icon Cards ───────────────────────────────────────────────── */
.scale-mode-cards {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.scale-mode-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 6px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: rgba(255,255,255,0.02);
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.scale-mode-card:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.scale-mode-card.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(93,228,199,0.06);
}

.scale-mode-card svg {
  display: block;
  width: 28px;
  height: auto;
}

.scale-mode-card span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Canvas Dead Zone Overlay ────────────────────────────────────────────── */
/* All positioning and background handled dynamically in renderScaleModeOverlay() */
.scale-deadzone-overlay {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  transition: top 0.25s, left 0.25s, width 0.25s, height 0.25s, opacity 0.25s;
}

.ml-inline-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0 8px;
}
.ml-inline-filter {
  padding: 3px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}
.ml-inline-filter:hover {
  border-color: var(--accent);
  color: var(--text);
}
.ml-inline-filter.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #000;
}

.status-message {
  margin: 14px 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.hidden {
  display: none;
}

/* ── Tablet (iPad landscape + portrait) ─────────────────────────────────── */
@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 1fr;
    overflow-y: auto;
    padding-bottom: 40px;
  }

  /* Inspector tabs first, canvas below */
  .canvas-pane  { order: 2; }
  .controls-pane { order: 1; min-height: 420px; overflow-y: auto; }

  .inspector-panel {
    padding-right: 0;
  }
}

/* ── iPad portrait / large phone ─────────────────────────────────────────── */
@media (max-width: 900px) {
  body.admin-page .app-header {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 10px 14px;
  }

  body.admin-page .project-detail-card {
    max-width: none;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 8px;
  }

  body.admin-page .pdc-name {
    font-size: 0.85rem;
    flex-shrink: 0;
  }

  body.admin-page .pdc-chips {
    gap: 4px;
  }

  body.admin-page .pdc-chip {
    font-size: 0.68rem;
    padding: 2px 6px;
  }

  body.admin-page .header-actions {
    flex-wrap: wrap;
    gap: 6px;
    justify-content: flex-start;
  }

  body.admin-page .header-actions .compact-field {
    flex: 1 1 140px;
    min-width: 0;
  }

  body.admin-page .header-actions .button {
    flex: 1 1 auto;
    font-size: 0.8rem;
    padding: 7px 10px;
  }

  .inspector-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ── Phone ────────────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .app-shell {
    padding: 8px;
    gap: 8px;
  }

  body.admin-page .app-header {
    padding: 10px 12px;
  }

  body.admin-page .project-detail-card {
    flex-direction: column;
    align-items: flex-start;
  }

  body.admin-page .pdc-name {
    max-width: none;
    font-size: 0.88rem;
  }

  body.admin-page .pdc-chips {
    gap: 4px;
  }

  body.admin-page .header-actions {
    flex-direction: column;
  }

  body.admin-page .header-actions > * {
    width: 100%;
  }

  .canvas-topbar {
    flex-wrap: wrap;
    gap: 8px;
  }

  .canvas-topbar .canvas-readout {
    display: none;
  }

  .toolbar-group {
    flex-wrap: wrap;
  }

  .field-row {
    flex-direction: column;
    align-items: stretch;
  }

  .inspector-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .preview-viewport {
    padding: 8px;
  }

  .quick-preset-row {
    flex-direction: column;
  }
}

/* AK Hub integration overrides */
:root {
  --bg: var(--bg-dark);
  --bg-elevated: var(--secondary);
  --bg-panel: var(--secondary);
  --bg-panel-strong: var(--tertiary);
  --line: var(--border);
  --line-strong: var(--border-light);
  --text: var(--text);
  --text-muted: var(--text-muted);
  --accent: var(--primary);
  --accent-strong: var(--primary-dark);
  --danger: var(--danger);
  --shadow: none;
}

body.admin-page .app-shell {
  height: 100%;
  min-height: 0;
  padding: 0;
  gap: 10px;
}

body.admin-page .app-header,
body.admin-page .canvas-pane,
body.admin-page .controls-pane,
body.admin-page .readiness-card,
body.admin-page .preset-preview-card {
  background: var(--secondary);
  border-color: var(--border);
  box-shadow: none;
}

body.admin-page .app-header {
  grid-template-columns: auto 1fr;
  padding: 12px 18px;
  gap: 14px;
}

body.admin-page .project-detail-card {
  background: rgba(255,255,255,0.03);
  border-color: var(--border);
}

body.admin-page .pdc-value {
  color: var(--primary);
}

body.admin-page .header-actions {
  justify-content: flex-end;
}

body.admin-page .canvas-stage,
body.admin-page .preview-viewport,
body.admin-page .preview-frame,
body.admin-page .panel,
body.admin-page .field input,
body.admin-page .field select,
body.admin-page .field textarea,
body.admin-page .button,
body.admin-page .inspector-shell {
  box-shadow: none;
}

body.admin-page .button {
  transition: background-color .2s ease, border-color .2s ease, color .2s ease, opacity .2s ease;
}

body.admin-page .button:hover,
body.admin-page .button:focus-visible {
  border-color: var(--primary);
}

body.admin-page .button.primary {
  background: var(--primary);
  color: #fff;
}

body.admin-page .button.primary:hover,
body.admin-page .button.primary:focus-visible {
  background: var(--primary-dark);
}

body.admin-page .help-icon,
body.admin-page .inspector-tab.active {
  color: var(--primary);
}

body.admin-page .inspector-tab.active,
body.admin-page .help-icon,
body.admin-page .button.ghost.active {
  border-color: var(--primary);
  background: rgba(255, 107, 0, 0.12);
}

body.admin-page .workflow-breadcrumb .workflow-step.active {
  color: var(--primary);
  border: none;
  background: none;
}

body.admin-page #admin-content.template-builder-host {
  max-width: none;
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

body.admin-page #admin-content.template-builder-host .app-shell {
  flex: 1;
}

body.admin-page .template-builder-host .workspace {
  flex: 1;
  min-height: 0;
}

body.admin-page .template-builder-host .canvas-pane,
body.admin-page .template-builder-host .controls-pane {
  min-height: 0;
}

body.admin-page .template-builder-host .controls-pane {
  display: flex;
  flex-direction: column;
}

body.admin-page .template-builder-host .inspector-shell {
  height: 100%;
}

body.admin-page .template-builder-host .inspector-panel {
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

body.admin-page .template-builder-host .canvas-stage {
  min-height: 0;
}

body.admin-page .template-builder-host .preview-viewport {
  height: 100%;
}

body.admin-page .template-builder-host .subpanel:not(.active) {
  display: none !important;
}

body.admin-page .template-builder-host > .page-title,
body.admin-page .template-builder-host > .page-subtitle {
  display: none;
}

/* ── Unified Layer List ── */

.layer-add-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.layer-add-row .button {
  flex: 1;
}

.layer-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.layer-list-empty {
  color: var(--text-muted);
  font-size: 0.87rem;
  padding: 10px 0 4px;
}

.layer-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  overflow: hidden;
  transition: border-color 0.15s ease;
}

.layer-item.drag-over-before {
  border-top: 2px solid var(--accent);
}

.layer-item.drag-over-after {
  border-bottom: 2px solid var(--accent);
}

.layer-item.selected {
  border-color: rgba(93, 228, 199, 0.45);
}

.layer-header {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease;
}

.layer-header:hover {
  background: rgba(255, 255, 255, 0.05);
}

.layer-item.selected > .layer-header {
  background: rgba(93, 228, 199, 0.07);
}

.layer-drag-handle {
  cursor: grab;
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1;
  flex: 0 0 auto;
  letter-spacing: -2px;
}

.layer-drag-handle:active {
  cursor: grabbing;
}

.layer-type-badge {
  flex: 0 0 auto;
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.layer-type-badge.text {
  background: rgba(93, 228, 199, 0.12);
  color: var(--accent);
  border: 1px solid rgba(93, 228, 199, 0.25);
}

.layer-type-badge.image {
  background: rgba(255, 184, 77, 0.12);
  color: #ffb84d;
  border: 1px solid rgba(255, 184, 77, 0.25);
}

.layer-type-badge.shape {
  background: rgba(168, 130, 255, 0.12);
  color: #a882ff;
  border: 1px solid rgba(168, 130, 255, 0.25);
}

.overlay-item.shape-item {
  pointer-events: all;
}

.layer-name {
  flex: 1;
  font-size: 0.85rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}

.layer-delete-btn {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 5px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.layer-delete-btn:hover {
  color: var(--danger);
  border-color: rgba(255, 111, 125, 0.3);
  background: rgba(255, 111, 125, 0.08);
}

.layer-body {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}

.layer-form-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 10px;
}

.empty-hint {
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 8px 0 4px;
  text-align: center;
}

.image-placeholder-empty {
  width: 100%;
  height: 100%;
  border: 2px dashed rgba(255, 184, 77, 0.4);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 184, 77, 0.5);
  font-size: 0.75rem;
}