:root {
  color-scheme: dark;
  --ink: #0b0b0b;
  --rail: #111111;
  --panel: #151515;
  --panel-2: #202020;
  --field: #0f0f0f;
  --paper: #e6e6e6;
  --muted: #9a9a9a;
  --line: #3a3a3a;
  --line-strong: #5c5c5c;
  --accent: #d0d0d0;
  --shadow: transparent;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ink);
  color: var(--paper);
  font-family:
    "Courier New", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

button,
.file-button,
#downloadButton,
#downloadLink {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--panel-2);
  color: var(--paper);
  cursor: pointer;
}

button,
.file-button span,
#downloadButton,
#downloadLink {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 12px;
  text-decoration: none;
}

button:hover,
.file-button:hover,
#downloadButton:hover,
#downloadLink:hover {
  border-color: var(--accent);
  background: #282828;
  color: white;
}

button:disabled {
  cursor: default;
  opacity: 0.62;
}

.app {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
}

.app-header {
  display: grid;
  grid-template-columns: minmax(160px, auto) minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  min-height: 64px;
  padding: 12px clamp(14px, 3vw, 28px);
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
}

.ascii-logo {
  display: inline-block;
  padding: 6px 8px;
  border: 1px solid var(--line-strong);
  color: var(--paper);
  font-size: 1rem;
  line-height: 1;
}

.project-status {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

.header-actions,
.layer-tools {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.app-menu {
  align-items: center;
  gap: 10px;
}

.mobile-jump {
  display: none;
}

.menu-group {
  display: inline-flex;
  align-items: stretch;
  min-height: 36px;
  border: 1px solid var(--line);
  background: var(--rail);
}

.menu-label {
  display: inline-flex;
  align-items: center;
  min-width: 48px;
  padding: 0 10px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
}

.icon-button {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 38px;
  min-width: 38px;
  height: 34px;
  min-height: 34px;
  padding: 0;
  border: 0;
  border-left: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--paper);
}

.icon-button:first-of-type {
  border-left: 0;
}

.icon-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.7;
}

.icon-button:hover,
.icon-button:focus-visible,
.file-button.icon-button:hover {
  border-color: var(--accent);
  background: #2a2a2a;
  color: white;
  outline: none;
}

.icon-button:disabled {
  cursor: default;
}

.icon-button .icon-wrap {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 0;
}

.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  width: max-content;
  max-width: 180px;
  padding: 6px 8px;
  border: 1px solid var(--line-strong);
  background: var(--ink);
  color: var(--paper);
  font-size: 0.72rem;
  line-height: 1.2;
  text-align: left;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-2px);
  transition:
    opacity 120ms ease,
    transform 120ms ease;
}

.tooltip:hover::after,
.tooltip:focus-visible::after,
.tooltip:focus-within::after {
  opacity: 1;
  transform: translateY(0);
}

.file-button input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.editor-shell {
  --left-column: clamp(220px, 22vw, 360px);
  --right-column: clamp(260px, 24vw, 420px);
  --viewer-min: 340px;
  --resizer-size: 12px;
  display: grid;
  grid-template-columns:
    minmax(180px, var(--left-column))
    var(--resizer-size)
    minmax(var(--viewer-min), 1fr)
    var(--resizer-size)
    minmax(220px, var(--right-column));
  gap: 0;
  align-items: stretch;
  height: calc(100vh - 64px);
  padding: 12px;
  min-height: 0;
}

.editor-shell.is-dragging {
  outline: 2px solid var(--accent);
  outline-offset: -8px;
}

.editor-shell.is-resizing,
.editor-shell.is-resizing * {
  cursor: col-resize !important;
  user-select: none;
}

.column-resizer {
  position: relative;
  display: grid;
  place-items: center;
  min-width: var(--resizer-size);
  min-height: 0;
  background: transparent;
  cursor: col-resize;
  touch-action: none;
}

.column-resizer::before {
  content: "";
  width: 1px;
  height: 100%;
  min-height: 40px;
  background: var(--line);
}

.column-resizer::after {
  top: 12px;
  right: auto;
  left: 50%;
  transform: translate(-50%, -2px);
}

.column-resizer:hover::before,
.column-resizer:focus-visible::before,
.column-resizer.is-active::before {
  width: 3px;
  background: var(--accent);
}

.column-resizer:focus-visible {
  outline: none;
}

.column-resizer:hover::after,
.column-resizer:focus-visible::after,
.column-resizer.is-active::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

.panel,
.viewer {
  min-width: 0;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--panel);
  box-shadow: none;
}

.panel {
  align-self: stretch;
  display: grid;
  gap: 14px;
  padding: 14px;
  overflow: hidden;
}

.panel-header,
.timeline-header,
.viewer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.viewer-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px 12px;
  min-width: 0;
}

.zoom-control {
  display: inline-grid;
  grid-template-columns: auto minmax(82px, 104px);
  align-items: center;
  gap: 6px;
}

.zoom-control select {
  min-height: 28px;
  padding: 0 6px;
  font-size: 0.78rem;
}

.layer-panel {
  container-type: inline-size;
  gap: 10px;
  grid-template-rows: auto auto minmax(0, 1fr);
}

.layer-list {
  display: grid;
  align-content: start;
  gap: 6px;
  min-height: 0;
  padding: 0;
  margin: 0;
  overflow: auto;
  list-style: none;
}

.layer-item {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) minmax(108px, 120px);
  align-items: center;
  gap: 8px;
  min-height: 66px;
  padding: 6px;
  padding-left: 8px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--rail);
  cursor: pointer;
}

.layer-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--line);
}

.layer-item.is-selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent) inset;
}

.layer-item.is-selected::before {
  width: 4px;
  background: var(--accent);
}

.layer-item.is-parked {
  border-style: dashed;
}

.layer-item.is-parked .layer-thumb {
  opacity: 0.55;
}

.layer-thumb {
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--field);
  image-rendering: pixelated;
  object-fit: contain;
}

.layer-index {
  position: absolute;
  top: 6px;
  left: 8px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-size: 0.58rem;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.layer-name {
  min-width: 0;
}

.layer-name strong,
.layer-name span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-name strong {
  color: var(--paper);
  font-size: 0.82rem;
  font-weight: 760;
}

.layer-name span,
.layer-weight span {
  color: var(--muted);
  font-size: 0.68rem;
}

.layer-weight {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.weight-stepper {
  display: grid;
  grid-template-columns: 26px minmax(46px, 1fr) 26px;
  gap: 4px;
}

.weight-stepper button {
  min-height: 28px;
  padding: 0;
}

.weight-stepper input,
.value-input {
  width: 100%;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--field);
  color: var(--paper);
  padding: 0 8px;
  font-variant-numeric: tabular-nums;
}

.weight-stepper input {
  min-width: 46px;
  min-height: 28px;
  padding: 0 2px;
  font-size: 0.84rem;
  text-align: center;
}

.weight-stepper input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.weight-stepper input[type="number"]::-webkit-inner-spin-button,
.weight-stepper input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
  appearance: none;
}

.layer-actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}

.layer-actions button {
  min-height: 26px;
  padding: 0;
  font-size: 0.78rem;
}

.layer-actions button[data-layer-action="remove"] {
  border-color: var(--line);
  color: var(--muted);
}

.layer-icon-button,
.layer-tool-button {
  display: inline-grid;
  place-items: center;
}

.layer-icon-button svg,
.layer-tool-button svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.8;
}

.layer-tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.layer-tool-button,
.layer-tools .file-button {
  min-height: 32px;
  padding: 0;
}

.layer-tools .file-button .icon-wrap {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  padding: 0;
}

.viewer {
  container-type: inline-size;
  display: grid;
  grid-template-rows: auto minmax(220px, 1fr) minmax(92px, auto);
  gap: 10px;
  padding: 12px;
  overflow: hidden;
}

.paint-workspace {
  display: grid;
  grid-template-rows: auto minmax(240px, 1fr);
  gap: 10px;
  min-height: 0;
}

.paint-toolbox {
  align-self: start;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  min-width: 0;
  min-height: 0;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--rail);
  overflow: visible;
}

.tool-button {
  position: relative;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  min-height: 38px;
  padding: 0;
}

.tool-button svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.7;
}

.tool-button.is-active {
  border-color: var(--accent);
  background: #303030;
  box-shadow: 0 0 0 1px var(--accent) inset;
}

.tool-button:focus-visible {
  border-color: var(--accent);
  outline: none;
}

.tool-button:disabled,
.tool-color:has(input:disabled),
.tool-size:has(input:disabled),
.tool-operation:disabled {
  opacity: 0.46;
}

.tool-operation {
  background: var(--field);
}

.toolbox-divider {
  flex: 0 0 1px;
  width: 1px;
  height: 28px;
  margin: 0 2px;
  background: var(--line);
}

.paint-toolbox .tooltip::after {
  top: calc(100% + 8px);
  right: auto;
  left: 0;
  transform: translateY(-2px);
}

.paint-toolbox .tooltip:hover::after,
.paint-toolbox .tooltip:focus-visible::after,
.paint-toolbox .tooltip:focus-within::after {
  transform: translateY(0);
}

.paint-colors {
  display: grid;
  grid-template-columns: repeat(2, 38px) 38px minmax(132px, 176px);
  gap: 6px;
  align-items: center;
  min-height: 38px;
  padding: 0;
}

.tool-color {
  position: relative;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  background: var(--field);
  cursor: pointer;
  overflow: hidden;
}

.tool-color::before {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--swatch-color, #ffffff);
}

.tool-color span {
  position: absolute;
  left: 2px;
  bottom: 1px;
  z-index: 1;
  min-width: 14px;
  min-height: 14px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--paper);
  font-size: 0.62rem;
  font-weight: 800;
  pointer-events: none;
}

.tool-color input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  border: 0;
  opacity: 0;
  cursor: pointer;
}

.color-swap {
  width: 38px;
  min-width: 38px;
  min-height: 38px;
  padding: 0;
}

.color-swap svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.8;
}

.color-palette {
  display: grid;
  grid-template-columns: repeat(7, 18px);
  gap: 2px;
  align-items: center;
  min-height: 38px;
}

.palette-swatch {
  position: relative;
  width: 18px;
  min-width: 18px;
  height: 18px;
  min-height: 18px;
  border: 1px solid var(--line);
  padding: 0;
}

.palette-swatch.is-primary {
  box-shadow: 0 0 0 2px var(--paper) inset;
}

.palette-swatch.is-secondary::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid var(--ink);
}

.tool-size {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(88px, 112px);
  align-items: center;
  gap: 5px;
  flex: 0 1 142px;
  width: auto;
  min-height: 38px;
  padding: 0 8px;
  border: 1px solid var(--line);
  background: var(--field);
}

.tool-size-mark {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
}

.tool-size input {
  width: 100%;
  height: 22px;
  transform: none;
  margin-top: 0;
}

.pixel-size {
  min-height: 38px;
}

.pixel-size input {
  width: 100%;
  margin-top: 0;
}

.tool-status {
  flex: 1 1 120px;
  min-width: 92px;
  min-height: 38px;
  overflow: hidden;
  display: flex;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--field);
  color: var(--muted);
  padding: 0 8px;
  font-size: 0.72rem;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.canvas-shell {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  min-height: 0;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 0;
  background:
    linear-gradient(45deg, #191919 25%, transparent 25%),
    linear-gradient(-45deg, #191919 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #191919 75%),
    linear-gradient(-45deg, transparent 75%, #191919 75%),
    #222222;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-size: 16px 16px;
  overflow: auto;
}

#previewCanvas {
  flex: 0 0 auto;
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
  margin: auto;
  image-rendering: pixelated;
  object-fit: contain;
  touch-action: none;
}

#previewCanvas.is-editing {
  cursor: crosshair;
}

#previewCanvas.is-pencil {
  cursor: crosshair;
}

#previewCanvas.is-brush {
  cursor: cell;
}

#previewCanvas[data-edit-tool="spray"] {
  cursor: cell;
}

#previewCanvas[data-edit-tool="eraser"] {
  cursor: not-allowed;
}

#previewCanvas[data-edit-tool="fill"],
#previewCanvas[data-edit-tool="picker"],
#previewCanvas[data-edit-tool="line"],
#previewCanvas[data-edit-tool="rect"],
#previewCanvas[data-edit-tool="ellipse"],
#previewCanvas[data-edit-tool="roundRect"] {
  cursor: crosshair;
}

.timeline-panel {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 8px;
  min-height: 92px;
  max-height: 32vh;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--rail);
  overflow: hidden;
}

.timeline-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(34px, 52px);
  gap: 6px;
  min-height: 62px;
  overflow: auto;
  padding-bottom: 4px;
}

.timeline-cell {
  position: relative;
  min-height: 56px;
  border: 1px solid var(--line);
  border-radius: 0;
  background-color: var(--field);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  image-rendering: pixelated;
}

.timeline-cell::after {
  content: attr(data-frame-label);
  position: absolute;
  right: 4px;
  bottom: 3px;
  color: white;
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  text-shadow: none;
}

.timeline-cell.is-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent) inset;
}

.timeline-cell.is-transition {
  border-style: dashed;
}

.inspector-panel {
  container-type: inline-size;
  align-content: start;
  overflow: auto;
}

.inspector-section,
.nested-section {
  border: 1px solid var(--line);
  background: var(--rail);
}

.inspector-section summary,
.nested-section summary {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 9px;
  color: var(--paper);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  list-style: none;
  text-transform: uppercase;
}

.nested-section summary {
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 34px;
  color: var(--muted);
  font-size: 0.74rem;
}

.inspector-section summary::-webkit-details-marker,
.nested-section summary::-webkit-details-marker {
  display: none;
}

.inspector-section summary::after,
.nested-section summary::after {
  content: "+";
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.inspector-section[open] > summary::after,
.nested-section[open] > summary::after {
  content: "-";
}

.section-icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--line-strong);
  color: var(--paper);
  font-size: 0.72rem;
}

.section-icon svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.8;
}

.section-body {
  display: grid;
  gap: 12px;
  padding: 10px;
  border-top: 1px solid var(--line);
}

.inspector-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.inspector-actions button {
  min-height: 32px;
  padding: 0 8px;
}

.control-subhead {
  display: flex;
  align-items: center;
  min-height: 22px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.fps-row,
.seed-row,
.setting-row,
.slider-row {
  display: grid;
  align-items: center;
  gap: 10px;
}

.fps-row {
  grid-template-columns: minmax(104px, 116px) minmax(70px, 1fr) 58px;
}

.seed-row {
  grid-template-columns: minmax(104px, 116px) minmax(70px, 1fr) 44px;
}

.setting-row {
  grid-template-columns: minmax(104px, 116px) minmax(0, 1fr);
}

.setting-row.compact-row {
  grid-template-columns: minmax(104px, 116px) minmax(0, 1fr);
}

.slider-stack {
  display: grid;
  gap: 14px;
}

.slider-row {
  grid-template-columns: minmax(104px, 116px) minmax(72px, 1fr) 34px;
}

.slider-row.compact-row {
  grid-template-columns: minmax(104px, 116px) minmax(72px, 1fr) 34px;
}

.fps-row span,
.seed-row span,
.setting-row span,
.slider-row span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

.control-label {
  display: grid !important;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: var(--paper) !important;
  text-transform: none !important;
}

.control-glyph {
  display: grid !important;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  background: var(--field);
}

.control-glyph svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.8;
}

.control-name {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.72rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.slider-row output {
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.dither-grid {
  display: grid;
  gap: 12px;
  padding-top: 10px;
}

select {
  width: 100%;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--field);
  color: var(--paper);
  padding: 0 8px;
}

input[type="color"] {
  width: 100%;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--field);
  padding: 3px;
}

input[type="range"] {
  width: 100%;
  max-width: 150px;
  accent-color: var(--accent);
}

.inspector-panel input[type="range"] {
  justify-self: end;
}

.tool-color input[type="color"] {
  width: 100%;
  height: 100%;
  min-height: 0;
  border: 0;
  padding: 3px;
  background: transparent;
}

.tool-size input[type="range"] {
  width: 100%;
  height: 22px;
}

.nested-section .dither-grid {
  padding: 10px;
  border-top: 1px solid var(--line);
}

.export-panel {
  display: grid;
  gap: 10px;
  min-height: 0;
}

.export-summary {
  min-height: 28px;
  border: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-size: 0.78rem;
}

#gifPreview {
  display: none;
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--field);
  image-rendering: pixelated;
}

#gifPreview[src] {
  display: block;
}

#downloadButton,
#downloadLink {
  width: 100%;
  border-color: var(--line-strong);
  color: var(--paper);
}

.is-hidden {
  display: none !important;
}

@container (max-width: 270px) {
  .layer-item {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .layer-weight,
  .layer-actions {
    grid-column: 1 / -1;
  }

  .layer-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .setting-row,
  .slider-row,
  .fps-row,
  .seed-row,
  .inspector-actions {
    grid-template-columns: 1fr;
  }
}

@container (max-width: 460px) {
  .paint-workspace {
    grid-template-columns: 1fr;
  }

  .paint-toolbox {
    flex-wrap: nowrap;
    align-items: center;
    justify-content: start;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .tool-size {
    grid-template-columns: auto 96px;
    align-items: center;
    width: auto;
    min-height: 36px;
    padding: 0 7px;
  }

  .tool-size input,
  .tool-size input[type="range"] {
    width: 96px;
    transform: none;
    margin-top: 0;
  }

  .toolbox-divider {
    width: 1px;
    height: 24px;
    margin: 0 2px;
  }

  .tool-status {
    writing-mode: horizontal-tb;
    max-height: none;
  }
}

@media (max-width: 1120px) {
  .editor-shell {
    --viewer-min: 300px;
    grid-template-columns:
      minmax(180px, var(--left-column))
      var(--resizer-size)
      minmax(var(--viewer-min), 1fr);
    height: auto;
    min-height: calc(100vh - 64px);
    row-gap: 12px;
  }

  .column-resizer[data-resize-column="right"] {
    display: none;
  }

  .inspector-panel {
    grid-column: 1 / -1;
    max-height: 34vh;
  }
}

@media (max-width: 760px) {
  .app-header {
    grid-template-columns: 1fr;
  }

  .project-status,
  .header-actions {
    justify-content: flex-start;
  }

  .editor-shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 0;
    gap: 12px;
  }

  .column-resizer {
    display: none;
  }

  .layer-panel,
  .viewer,
  .inspector-panel {
    max-height: none;
    min-height: auto;
  }

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

  .paint-toolbox {
    flex-wrap: nowrap;
    align-items: center;
    justify-content: start;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .tool-size {
    grid-template-columns: auto 96px;
    align-items: center;
    width: auto;
    min-height: 36px;
    padding: 0 7px;
  }

  .tool-size input,
  .tool-size input[type="range"] {
    width: 96px;
    transform: none;
    margin-top: 0;
  }

  .toolbox-divider {
    width: 1px;
    height: 24px;
    margin: 0 2px;
  }

  .paint-toolbox .tooltip::after {
    top: calc(100% + 8px);
    right: auto;
    left: 0;
    transform: translateY(-2px);
  }

  .paint-toolbox .tooltip:hover::after,
  .paint-toolbox .tooltip:focus-visible::after,
  .paint-toolbox .tooltip:focus-within::after {
    transform: translateY(0);
  }

  .tool-status {
    writing-mode: horizontal-tb;
    max-height: none;
  }

  .layer-list {
    max-height: 320px;
  }
}

@media (max-width: 480px) {
  .header-actions,
  .layer-tools,
  .layer-tools .file-button {
    width: 100%;
  }

  .header-actions button,
  .header-actions .file-button,
  .layer-tools button,
  .layer-tools .file-button {
    flex: 1 1 0;
  }

  .header-actions .menu-group {
    flex: 0 0 auto;
  }

  .header-actions .icon-button,
  .header-actions .file-button.icon-button {
    flex: 0 0 38px;
  }

  .layer-tools {
    flex-direction: row;
  }

  .layer-item {
    grid-template-columns: 40px minmax(0, 1fr);
  }

  .layer-weight {
    grid-column: 1 / -1;
  }

  .layer-actions {
    grid-column: 1 / -1;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .fps-row,
  .seed-row,
  .setting-row,
  .slider-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  html {
    scroll-behavior: smooth;
  }

  body,
  .app {
    min-height: 100dvh;
  }

  body {
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
  }

  .app-header {
    position: sticky;
    top: 0;
    z-index: 40;
    grid-template-columns: minmax(92px, auto) minmax(0, 1fr);
    gap: 8px;
    min-height: 0;
    padding: max(8px, env(safe-area-inset-top)) 8px 8px;
  }

  .brand {
    font-size: 0.82rem;
  }

  .ascii-logo {
    padding: 5px 6px;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  .project-status {
    justify-content: flex-end;
    gap: 4px 8px;
    font-size: 0.66rem;
    line-height: 1.2;
    text-align: right;
  }

  .app-menu {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    width: 100%;
  }

  .menu-group {
    min-width: 0;
  }

  .menu-label {
    min-width: 0;
    padding: 0 6px;
    font-size: 0.62rem;
  }

  .icon-button,
  .file-button.icon-button {
    width: 38px;
    min-width: 38px;
    height: 38px;
    min-height: 38px;
  }

  .mobile-jump {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 6px;
    width: 100%;
  }

  .mobile-jump-button {
    display: grid;
    grid-template-rows: 14px 1fr;
    align-items: center;
    justify-items: center;
    gap: 2px;
    min-width: 0;
    min-height: 40px;
    border: 1px solid var(--line);
    background: var(--rail);
    color: var(--paper);
    cursor: pointer;
    padding: 4px 2px;
    font-size: 0.62rem;
    line-height: 1;
    text-align: center;
    text-decoration: none;
  }

  .mobile-jump-button span {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-jump-button span:first-child {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 800;
  }

  .mobile-jump-button:hover,
  .mobile-jump-button:focus-visible {
    border-color: var(--accent);
    background: var(--panel-2);
    outline: none;
  }

  .editor-shell {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 0;
    padding: 8px 8px max(8px, env(safe-area-inset-bottom));
  }

  .column-resizer {
    display: none;
  }

  .layer-panel {
    order: 1;
    gap: 8px;
    padding: 8px;
    overflow: visible;
  }

  .viewer {
    order: 2;
    grid-template-rows: auto auto auto;
    gap: 8px;
    padding: 8px;
    overflow: visible;
  }

  .inspector-panel {
    order: 3;
    gap: 8px;
    max-height: none;
    padding: 8px;
    overflow: visible;
  }

  .panel-header,
  .timeline-header,
  .viewer-top {
    gap: 6px;
    font-size: 0.68rem;
  }

  .viewer-top {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .viewer-controls {
    justify-content: flex-start;
    gap: 6px 8px;
    width: 100%;
  }

  .zoom-control {
    grid-template-columns: auto minmax(78px, 96px);
  }

  .layer-tools {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .layer-tool-button,
  .layer-tools .file-button {
    min-height: 42px;
  }

  .layer-list {
    grid-auto-flow: column;
    grid-auto-columns: minmax(220px, 82vw);
    grid-template-columns: none;
    max-height: none;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    padding-bottom: 4px;
    scroll-snap-type: x proximity;
  }

  .layer-item {
    grid-template-columns: 42px minmax(0, 1fr) minmax(94px, 110px);
    min-height: 76px;
    scroll-snap-align: start;
  }

  .layer-actions {
    grid-template-columns: repeat(5, minmax(32px, 1fr));
  }

  .layer-actions button {
    min-height: 32px;
  }

  .paint-workspace {
    grid-template-rows: auto minmax(280px, 56dvh);
    gap: 8px;
  }

  .paint-toolbox {
    flex-wrap: nowrap;
    gap: 5px;
    margin-inline: -2px;
    padding: 6px;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
  }

  .tool-button {
    flex-basis: 40px;
    width: 40px;
    height: 40px;
    min-height: 40px;
  }

  .paint-colors {
    flex: 0 0 auto;
    grid-template-columns: repeat(2, 38px) 38px minmax(128px, 156px);
  }

  .tool-size {
    flex: 0 0 auto;
    grid-template-columns: auto 100px;
  }

  .tool-size input,
  .tool-size input[type="range"] {
    width: 100px;
  }

  .tool-status {
    flex: 0 0 128px;
    min-width: 128px;
  }

  .canvas-shell {
    min-height: 280px;
    height: min(56dvh, 520px);
    max-height: 520px;
    padding: 8px;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .timeline-panel {
    min-height: 78px;
    max-height: none;
    padding: 8px;
  }

  .timeline-strip {
    grid-auto-columns: minmax(42px, 50px);
    min-height: 54px;
  }

  .timeline-cell {
    min-height: 50px;
  }

  .inspector-section summary {
    min-height: 44px;
  }

  .section-body {
    gap: 10px;
    padding: 8px;
  }

  .fps-row {
    grid-template-columns: minmax(64px, 88px) minmax(96px, 1fr) 54px;
  }

  .seed-row {
    grid-template-columns: minmax(64px, 88px) minmax(96px, 1fr) 42px;
  }

  .setting-row,
  .setting-row.compact-row {
    grid-template-columns: minmax(64px, 88px) minmax(0, 1fr);
  }

  .slider-row,
  .slider-row.compact-row {
    grid-template-columns: minmax(64px, 88px) minmax(90px, 1fr) 34px;
  }

  .control-label {
    grid-template-columns: 30px minmax(0, 1fr) !important;
    gap: 6px;
  }

  .control-glyph {
    width: 30px;
    height: 30px;
  }

  .control-name {
    font-size: 0.66rem;
  }

  input[type="range"] {
    max-width: none;
  }

  .inspector-panel input[type="range"] {
    justify-self: stretch;
  }

  #gifPreview {
    max-height: 180px;
  }

  .tooltip::after {
    display: none;
  }
}

@media (max-width: 480px) {
  .app-header {
    grid-template-columns: 1fr;
  }

  .project-status {
    justify-content: flex-start;
    text-align: left;
  }

  #renderStatus {
    display: none;
  }

  .menu-label {
    display: none;
  }

  .menu-group {
    justify-content: center;
  }

  .mobile-jump {
    gap: 4px;
  }

  .mobile-jump-button {
    min-height: 38px;
    font-size: 0.58rem;
  }

  .layer-list {
    grid-auto-columns: minmax(238px, 88vw);
  }

  .layer-item {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .layer-weight {
    grid-column: 1 / -1;
  }

  .layer-actions {
    grid-column: 1 / -1;
    grid-template-columns: repeat(5, minmax(32px, 1fr));
  }

  .fps-row {
    grid-template-columns: minmax(60px, 76px) minmax(88px, 1fr) 50px;
  }

  .seed-row {
    grid-template-columns: minmax(60px, 76px) minmax(88px, 1fr) 42px;
  }

  .setting-row,
  .setting-row.compact-row {
    grid-template-columns: minmax(60px, 76px) minmax(0, 1fr);
  }

  .slider-row,
  .slider-row.compact-row {
    grid-template-columns: minmax(60px, 76px) minmax(84px, 1fr) 32px;
  }

  .control-name {
    display: none;
  }

  .control-label {
    grid-template-columns: 30px !important;
  }

  .paint-workspace {
    grid-template-rows: auto minmax(300px, 58dvh);
  }

  .canvas-shell {
    min-height: 300px;
    height: min(58dvh, 520px);
  }
}