@font-face {
  font-family: Aeonik;
  src: url('/assets/fonts/Aeonik-Regular.woff2') format('woff2');
  font-display: swap;
}

@font-face {
  font-family: CourtGPTMono;
  src: url('/assets/fonts/CourtGPTMono.woff2') format('woff2');
  font-display: swap;
}

:root {
  --paper: #e9e5db;
  --surface: #fbfaf6;
  --surface-raised: #ffffff;
  --ink: #1b1a17;
  --muted: #746f65;
  --muted-soft: #969083;
  --line: #d7d0c2;
  --line-strong: #b4aa98;
  --gold: #a97922;
  --gold-bright: #c18e2d;
  --gold-wash: #f2e8d1;
  --panel: #25231f;
  --danger: #9e3e33;
  --shadow: 0 18px 56px rgba(42, 35, 22, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: Aeonik, system-ui, sans-serif;
  min-width: 1040px;
}

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

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}

button:disabled,
input:disabled,
textarea:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.sr-only {
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.builder {
  display: grid;
  grid-template-rows: 62px minmax(0, 1fr);
  height: 100%;
}

.builder-bar {
  align-items: center;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 0.75rem;
  padding: 0.55rem 0.75rem;
  position: relative;
  z-index: 10;
}

.builder-title {
  align-items: center;
  border-right: 1px solid var(--line);
  display: flex;
  flex: 0 0 228px;
  gap: 0.6rem;
  padding-right: 1rem;
}

.builder-title strong,
.builder-title small {
  display: block;
}

.builder-title strong {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.builder-title small,
.eyebrow {
  color: var(--muted);
  font: 8px CourtGPTMono, monospace;
  letter-spacing: 0.075em;
  margin-top: 0.16rem;
  text-transform: uppercase;
}

.brand-dot {
  align-items: center;
  background: var(--ink);
  color: #e2c475;
  display: flex;
  flex: 0 0 34px;
  font-family: Georgia, serif;
  font-size: 1rem;
  height: 34px;
  justify-content: center;
}

.page-picker {
  align-items: center;
  display: flex;
  gap: 0.45rem;
}

.page-picker > span {
  color: var(--muted);
  font: 8px CourtGPTMono, monospace;
  text-transform: uppercase;
}

.page-picker select,
.builder-bar button {
  background: #fff;
  border: 1px solid var(--line-strong);
  min-height: 2.25rem;
  padding: 0.42rem 0.62rem;
}

.page-picker select {
  min-width: 194px;
}

.device-group {
  display: flex;
  margin-left: auto;
}

.device-group button {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 0.66rem;
  gap: 0.36rem;
}

.device-group button + button {
  border-left: 0;
}

.device-group button.active {
  background: var(--gold-wash);
  border-color: var(--gold);
  color: #624817;
}

.device-icon {
  font: 15px/1 CourtGPTMono, monospace;
}

.history-group {
  display: flex;
}

.history-group button {
  color: var(--muted);
  font-size: 1rem;
  min-width: 34px;
  padding-inline: 0.45rem;
}

.history-group button + button {
  border-left: 0;
}

.history-group button:not(:disabled):hover {
  background: var(--gold-wash);
  color: var(--ink);
}

.bar-actions {
  display: flex;
  gap: 0.38rem;
}

.bar-actions button {
  font-size: 0.68rem;
  white-space: nowrap;
}

.builder-bar button.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.mode-toggle {
  align-items: center;
  display: flex;
  gap: 0.38rem;
}

.mode-dot,
.status-dot {
  background: var(--gold-bright);
  border-radius: 50%;
  display: inline-block;
  height: 6px;
  width: 6px;
}

.mode-toggle[aria-pressed='true'] .mode-dot {
  background: #5f8566;
  box-shadow: 0 0 0 3px rgba(95, 133, 102, 0.15);
}

.builder-body {
  display: grid;
  grid-template-columns: 292px minmax(360px, 1fr) 278px;
  min-height: 0;
}

.control-panel,
.navigator-panel {
  background: var(--surface);
  min-height: 0;
}

.control-panel {
  border-right: 1px solid var(--line);
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
}

.control-panel[inert],
.navigator-panel[inert] {
  filter: saturate(0.55);
  opacity: 0.72;
}

.selection-card {
  border-bottom: 1px solid var(--line);
  min-height: 94px;
  padding: 0.86rem 1rem 0.72rem;
}

.selection-card .eyebrow,
.navigator-panel .eyebrow {
  display: block;
  margin: 0 0 0.38rem;
}

#selection-title {
  display: block;
  font-size: 0.86rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.breadcrumbs {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 0.62rem;
  gap: 0.2rem;
  margin-top: 0.5rem;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
}

.breadcrumb-button {
  background: transparent;
  border: 0;
  color: var(--muted);
  max-width: 82px;
  overflow: hidden;
  padding: 0;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.breadcrumb-button:hover {
  color: var(--gold);
}

.breadcrumb-separator {
  color: var(--line-strong);
}

.panel-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.panel-tabs button {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.58rem;
  min-height: 42px;
  padding: 0.4rem 0.2rem;
}

.panel-tabs button.active {
  border-bottom: 2px solid var(--gold);
  color: var(--ink);
}

.panel-scroll {
  min-height: 0;
  overflow: auto;
}

.control-section {
  display: none;
  padding: 1rem;
}

.control-section.active {
  display: block;
}

.panel-label,
.inspector-form label > span,
.prop-label,
.token-control > span:first-child {
  color: var(--muted);
  display: block;
  font: 8px CourtGPTMono, monospace;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.panel-label {
  border-bottom: 1px solid var(--line);
  margin: 0 0 0.7rem;
  padding-bottom: 0.65rem;
}

.panel-label-spaced {
  margin-top: 1.35rem;
}

.panel-intro,
.field-hint,
.empty-state p {
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.48;
}

.panel-intro {
  margin: 0 0 0.8rem;
}

.empty-state {
  align-items: center;
  display: flex;
  flex-direction: column;
  padding: 1.8rem 0.7rem;
  text-align: center;
}

.empty-state.compact {
  padding-block: 1rem 1.35rem;
}

.empty-state strong {
  font-size: 0.76rem;
  font-weight: 500;
}

.empty-state p {
  margin: 0.45rem 0 0;
}

.empty-state code {
  background: #eee9de;
  font: 0.62rem CourtGPTMono, monospace;
  padding: 0.1rem 0.2rem;
}

.empty-glyph {
  align-items: center;
  border: 1px solid var(--line);
  color: var(--gold);
  display: flex;
  font: 0.85rem CourtGPTMono, monospace;
  height: 38px;
  justify-content: center;
  margin-bottom: 0.75rem;
  width: 38px;
}

.inspector-form {
  display: grid;
  gap: 0.7rem;
}

.inspector-form[hidden],
.empty-state[hidden] {
  display: none;
}

.inspector-form label {
  display: grid;
  gap: 0.38rem;
}

.inspector-form input,
.inspector-form select,
.inspector-form textarea,
.navigator-search input {
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  min-height: 2.45rem;
  padding: 0.58rem;
  width: 100%;
}

.inspector-form textarea {
  line-height: 1.45;
  min-height: 132px;
  resize: vertical;
}

.field-meta {
  color: var(--muted-soft);
  display: flex;
  font: 8px CourtGPTMono, monospace;
  justify-content: space-between;
  margin-top: -0.38rem;
  text-transform: uppercase;
}

.field-hint {
  margin: -0.25rem 0 0;
}

.panel-button {
  background: var(--ink);
  border: 1px solid var(--ink);
  color: #fff;
  min-height: 2.55rem;
  padding: 0.54rem 0.7rem;
  width: 100%;
}

.panel-button.secondary {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
  margin-top: 0.85rem;
}

.panel-button.danger {
  background: transparent;
  border-color: #b9655b;
  color: var(--danger);
  margin-top: 0.9rem;
}

.panel-button.danger:hover:not(:disabled) {
  background: #f5e6e3;
}

.style-form {
  gap: 0;
}

.style-controls {
  display: grid;
}

.style-control {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0.55rem;
  grid-template-columns: minmax(0, 1fr) 102px;
  padding: 0.62rem 0;
}

.style-control > span {
  color: var(--muted);
  font: 8px CourtGPTMono, monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.style-control input,
.style-control select {
  min-height: 2rem;
  padding: 0.35rem 0.42rem;
}

.style-control input[type='color'] {
  border: 0;
  height: 30px;
  justify-self: end;
  min-height: 0;
  padding: 0;
  width: 44px;
}

.style-control-range {
  align-items: center;
  display: flex;
  gap: 0.4rem;
}

.style-control-range input {
  accent-color: var(--gold);
  min-height: 0;
  padding: 0;
  width: 70px;
}

.style-control-range output {
  color: var(--muted);
  font: 8px CourtGPTMono, monospace;
  min-width: 28px;
  text-align: right;
}

.structure-grid {
  display: grid;
  gap: 0.45rem;
  grid-template-columns: 1fr 1fr;
}

.structure-grid button {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line-strong);
  display: flex;
  font-size: 0.66rem;
  gap: 0.48rem;
  min-height: 2.55rem;
  padding: 0.5rem 0.58rem;
  text-align: left;
}

.structure-grid button:hover:not(:disabled) {
  background: var(--gold-wash);
  border-color: var(--gold);
}

.structure-grid button > span:first-child {
  color: var(--gold);
  font: 0.85rem CourtGPTMono, monospace;
}

.structure-hint {
  border-top: 1px solid var(--line);
  margin-top: 1rem;
  padding-top: 0.8rem;
}

.token-controls {
  display: grid;
}

.token-control {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0.5rem;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 0.7rem 0;
}

.token-control small {
  color: var(--muted-soft);
  display: block;
  font-size: 0.58rem;
  margin-top: 0.18rem;
}

.token-control input[type='color'] {
  background: transparent;
  border: 0;
  height: 31px;
  padding: 0;
  width: 44px;
}

.token-range {
  align-items: center;
  display: flex;
  gap: 0.45rem;
}

.token-range input {
  accent-color: var(--gold);
  width: 90px;
}

.token-range output {
  color: var(--muted);
  font: 8px CourtGPTMono, monospace;
  min-width: 32px;
  text-align: right;
}

.props-form {
  gap: 0;
}

.prop-field {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 0.42rem;
  padding: 0.7rem 0;
}

.prop-field:first-child {
  padding-top: 0;
}

.prop-field.checkbox {
  align-items: center;
  grid-template-columns: minmax(0, 1fr) auto;
}

.prop-field.checkbox input {
  accent-color: var(--gold);
  height: 18px;
  min-height: 0;
  width: 18px;
}

.canvas-stage {
  background-color: #d7d1c6;
  background-image: radial-gradient(rgba(70, 61, 45, 0.14) 0.75px, transparent 0.75px);
  background-size: 10px 10px;
  min-width: 0;
  overflow: auto;
  padding: 2.65rem 2rem 3rem;
  position: relative;
}

.canvas-meta {
  align-items: center;
  color: #615b50;
  display: flex;
  font: 8px CourtGPTMono, monospace;
  justify-content: space-between;
  left: 2rem;
  position: absolute;
  right: 2rem;
  top: 0.9rem;
  text-transform: uppercase;
}

.canvas-frame {
  background: #fff;
  box-shadow: var(--shadow);
  height: min(900px, calc(100vh - 138px));
  margin: auto;
  max-width: none;
  overflow: hidden;
  position: relative;
  transition: width 180ms ease, height 180ms ease;
  width: min(100%, 1440px);
}

.canvas-frame.tablet {
  height: min(1024px, calc(100vh - 138px));
  width: 768px;
}

.canvas-frame.mobile {
  height: min(844px, calc(100vh - 138px));
  width: 390px;
}

.canvas-frame iframe {
  background: #fff;
  border: 0;
  display: block;
  height: 100%;
  width: 100%;
}

.canvas-frame.is-previewing {
  box-shadow: 0 0 0 2px #6f9675, var(--shadow);
}

.canvas-loading {
  align-items: center;
  background: rgba(251, 250, 246, 0.92);
  color: var(--muted);
  display: flex;
  font: 9px CourtGPTMono, monospace;
  gap: 0.55rem;
  inset: 0;
  justify-content: center;
  position: absolute;
  text-transform: uppercase;
  z-index: 2;
}

.canvas-loading[hidden] {
  display: none;
}

.canvas-loading span {
  animation: pulse 900ms ease-in-out infinite alternate;
  background: var(--gold);
  border-radius: 50%;
  height: 7px;
  width: 7px;
}

.navigator-panel {
  border-left: 1px solid var(--line);
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}

.navigator-panel header,
.navigator-panel footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  padding: 0.78rem;
}

.navigator-panel header {
  border-bottom: 1px solid var(--line);
}

.navigator-panel header strong {
  display: block;
  font-size: 0.76rem;
  font-weight: 500;
}

.navigator-panel header button {
  background: transparent;
  border: 0;
  color: var(--muted);
  font-size: 0.61rem;
}

.navigator-search {
  border-bottom: 1px solid var(--line);
  display: block;
  padding: 0.55rem;
}

.navigator-search input {
  min-height: 2.25rem;
  padding: 0.48rem 0.55rem;
}

.navigator-panel footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 8px CourtGPTMono, monospace;
  justify-content: flex-start;
  gap: 0.42rem;
  min-height: 39px;
  text-transform: uppercase;
}

.navigator-panel footer.is-error .status-dot {
  background: var(--danger);
}

.navigator-tree {
  overflow: auto;
  padding: 0.46rem;
}

.navigator-tree .empty {
  color: var(--muted);
  font-size: 0.69rem;
  line-height: 1.45;
  padding: 0.75rem;
}

.nav-branch[hidden],
.nav-item.filtered {
  display: none;
}

.nav-row {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  display: grid;
  gap: 0.28rem;
  grid-template-columns: 14px 16px minmax(0, 1fr) auto;
  min-height: 31px;
  padding: 0.34rem 0.38rem 0.34rem calc(0.34rem + var(--depth, 0) * 0.72rem);
  text-align: left;
  width: 100%;
}

.nav-row:hover,
.nav-row.hovered {
  background: #f2eee5;
}

.nav-row.active {
  background: var(--gold-wash);
  border-color: #d9bc79;
}

.nav-row.dragging {
  opacity: 0.35;
}

.nav-row.drop-target {
  box-shadow: inset 0 2px 0 var(--gold);
}

.nav-row.is-hidden {
  opacity: 0.5;
}

.nav-row.is-hidden .nav-copy {
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

.nav-toggle {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--muted);
  display: flex;
  font-size: 0.62rem;
  height: 18px;
  justify-content: center;
  padding: 0;
  transform: rotate(90deg);
  transition: transform 120ms ease;
  width: 14px;
}

.nav-toggle.collapsed {
  transform: rotate(0deg);
}

.nav-toggle.placeholder {
  visibility: hidden;
}

.nav-mark {
  color: var(--gold);
  font: 8px CourtGPTMono, monospace;
  text-transform: uppercase;
}

.nav-copy {
  font-size: 0.66rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-type {
  color: var(--muted-soft);
  font: 7px CourtGPTMono, monospace;
  text-transform: uppercase;
}

.toast-region {
  bottom: 1rem;
  display: grid;
  gap: 0.45rem;
  pointer-events: none;
  position: fixed;
  right: 1rem;
  z-index: 30;
}

.toast {
  animation: toast-in 160ms ease-out;
  background: var(--panel);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  color: #fff;
  font-size: 0.68rem;
  max-width: 300px;
  padding: 0.7rem 0.85rem;
}

.toast.error {
  background: var(--danger);
}

@keyframes pulse {
  to { opacity: 0.3; transform: scale(0.7); }
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(5px); }
}

@media (max-width: 1240px) {
  .builder-title { flex-basis: 192px; }
  .page-picker select { min-width: 150px; width: 150px; }
  .device-group button span:last-child { display: none; }
  .builder-body { grid-template-columns: 270px minmax(340px, 1fr) 248px; }
  #open-page { display: none; }
}

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