:root {
  --bg: #111111;
  --bg-2: #222222;
  --bg-3: #333333;
  --panel: #202020;
  --panel-2: #272727;
  --text: #dde2ea;
  --text-strong: #e1e8f8;
  --muted: #9aa3b2;
  --accent: #7ab6ff;
  --accent-ink: #0c1420;
  --control-border: #515151;
  --control-bg: #1a1a1a;
  --panel-border-strong: #464646;
  --surface-inset: #171c25;
  --line: #414141;
  --resizer-line: #4b4b4b;
  --resizer-active: #4b4b4b;
  --remove-text: #f8c2b8;
  --socket-border: #9bb6dd;
  --socket-bg: #1b1b1b;
  --scrollbar-thumb: #4a4a4a;
  --scrollbar-thumb-hover: #5e5e5e;
  --light-gizmo-main: #ffd17a;
  --axis-x: #ff8d84;
  --axis-y: #90ec8f;
  --axis-z: #8dc4ff;
  --warn: #ef8f7a;
  --ok: #7adf9f;
  --checker-a: #808080;
  --checker-b: #666666;
  --checker-size: 12px;
}

.checker-bg {
  background-color: var(--checker-a);
  background-image:
    linear-gradient(45deg, var(--checker-b) 25%, transparent 25%, transparent 75%, var(--checker-b) 75%),
    linear-gradient(45deg, var(--checker-b) 25%, transparent 25%, transparent 75%, var(--checker-b) 75%);
  background-size: var(--checker-size) var(--checker-size);
  background-position: 0 0, calc(var(--checker-size) / 2) calc(var(--checker-size) / 2);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
  font-family: 'Avenir Next', 'Segoe UI', 'Hiragino Sans', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 15%, #252525 0%, transparent 38%),
    radial-gradient(circle at 88% 82%, #444444 0%, transparent 42%),
    var(--bg-3);
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--panel), #000 14%);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.header-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5em;
  color: #eef3ff;
  white-space: nowrap;
  text-transform: uppercase;
}

.header-title span {
  color: var(--accent);
}

.shape-group,
.action-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.action-group {
  margin-left: auto;
  flex-wrap: wrap;
  justify-content: flex-end;
}

button {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  padding: 6px 11px;
  font-size: 12px;
  color: var(--text);
  cursor: pointer;
  transition: 120ms ease;
}

button:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

button:disabled,
button:disabled:hover {
  opacity: 0.45;
  cursor: not-allowed;
  border-color: var(--line);
  transform: none;
}

.btn-shape.active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.btn-submit {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
}

.btn-secondary {
  color: var(--muted);
}

.debug-toggle-btn {
  min-width: 104px;
}

.debug-toggle-btn.active {
  border-color: var(--warn);
  background: color-mix(in srgb, var(--panel), var(--warn) 12%);
  color: var(--remove-text);
  font-weight: 700;
}

.auto-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

.auto-label input[type="checkbox"] {
  accent-color: var(--accent);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-language {
  width: 30px;
  height: 30px;
  min-width: 30px;
  padding: 0;
  border-radius: 50%;
  line-height: 1;
  font-size: 11px;
  font-weight: 700;
  text-transform: lowercase;
}

.btn-language.active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.main {
  display: flex;
  flex: 1;
  min-height: 0;
}

.pipeline-panel {
  width: calc(100% - 320px);
  min-width: 520px;
  max-width: calc(100% - 320px);
  display: flex;
  flex-direction: column;
  background: color-mix(in srgb, var(--panel), #000 6%);
  border-right: 1px solid var(--line);
  min-height: 0;
}

.pipeline-header,
.preview-header {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-2), #000 6%);
}

.pipeline-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-strong);
}

.pipeline-help,
.preview-help {
  font-size: 11px;
  color: var(--muted);
}

.section-label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.pipeline-workspace {
  flex: 1;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  column-gap: 42px;
  min-height: 0;
  position: relative;
}

.param-column {
  position: relative;
  z-index: 3;
  border-right: 1px solid var(--line);
  padding: 12px;
  overflow: auto;
  background: color-mix(in srgb, var(--panel-2), #000 12%);
}

.param-node-list {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.param-group {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px;
  background: color-mix(in srgb, var(--panel), #000 12%);
}

.param-group-feedback {
  border-color: #6f85a8;
  background:
    linear-gradient(180deg, rgba(122, 182, 255, 0.08), rgba(122, 182, 255, 0.02)),
    color-mix(in srgb, var(--panel), #000 8%);
  box-shadow: inset 0 0 0 1px rgba(122, 182, 255, 0.08);
}

.param-group-head {
  margin-bottom: 8px;
}

.param-group-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: space-between;
}

.param-group-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-strong);
}

.param-group-badge {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid rgba(122, 182, 255, 0.35);
  background: rgba(122, 182, 255, 0.14);
  color: #d5e6ff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.param-group-desc {
  margin-top: 4px;
  font-size: 11px;
  line-height: 1.45;
  color: var(--muted);
}

.param-group-nodes {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.param-node {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  text-align: left;
  background: color-mix(in srgb, var(--panel), #000 10%);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 34px 10px 10px;
  min-height: 54px;
  cursor: pointer;
  user-select: none;
  transition: 120ms ease;
}

.param-socket-dot,
.step-socket-dot {
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--socket-border);
  background: var(--socket-bg);
  transform: translateY(-50%);
  pointer-events: none;
}

.param-socket-dot {
  right: 8px;
}

.param-node:hover,
.param-node:focus-visible {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.param-preview-tooltip {
  position: fixed;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--line), #fff 12%);
  background: color-mix(in srgb, var(--panel), #000 18%);
  box-shadow: 0 12px 28px rgb(0 0 0 / 0.28);
  z-index: 20;
  pointer-events: none;
}

.param-preview-tooltip-label {
  font-size: 10px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.param-preview-tooltip-canvas {
  width: 112px;
  height: 112px;
  display: block;
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 42%, rgb(255 255 255 / 0.12), transparent 58%),
    color-mix(in srgb, var(--panel), #000 32%);
}

.param-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-strong);
}

.param-desc {
  font-size: 11px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .param-preview-tooltip {
    max-width: min(140px, calc(100vw - 24px));
  }
}

.step-column {
  position: relative;
  z-index: 3;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.connection-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 6;
}

.connection-path {
  fill: none;
  stroke: var(--connection-color, #89bbff);
  stroke-width: 2;
  stroke-linecap: round;
  opacity: 0.8;
}

.connection-path-preview {
  stroke: var(--connection-color, #cfe2ff);
  stroke-dasharray: 6 6;
  opacity: 0.95;
}

.step-list {
  position: relative;
  z-index: 4;
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 12px 12px 12px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.step-add-inline-btn {
  width: 100%;
  grid-column: 1 / -1;
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: transparent;
  padding: 8px;
  transition: 120ms ease;
}

.step-add-inline-btn:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--surface-inset), var(--accent) 8%);
}

.step-item {
  display: grid;
  grid-template-rows: auto auto;
  grid-template-columns: 10ch minmax(0, 1fr) 120px;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px;
  background: color-mix(in srgb, var(--panel-2), #000 5%);
}

.step-item.step-item-muted {
  border-color: color-mix(in srgb, var(--line), var(--warn) 22%);
  background: color-mix(in srgb, var(--panel-2), var(--warn) 4%);
}

.step-item.dragging-step {
  opacity: 0.42;
}

.step-item.step-drop-before {
  box-shadow: inset 0 3px 0 var(--accent);
}

.step-item.step-drop-after {
  box-shadow: inset 0 -3px 0 var(--accent);
}

.step-socket-rail {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.step-preview {
  border: 1px solid var(--panel-border-strong);
  border-radius: 10px;
  background: color-mix(in srgb, var(--bg), #000 8%);
}

.preview-swatch {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 10px;
}

.preview-sphere {
  image-rendering: auto;
}

.step-core {
  min-width: 0;
  border: 1px solid var(--panel-border-strong);
  border-radius: 10px;
  padding: 8px;
  background: color-mix(in srgb, var(--panel), #000 8%);
}

.step-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  grid-column: 1 / -1;
}

.step-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.step-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-strong);
}

.step-title-input {
  min-width: 0;
  width: min(180px, 38vw);
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text-strong);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 6px;
}

.step-title-input:hover {
  border-color: color-mix(in srgb, var(--line), var(--accent) 32%);
  background: color-mix(in srgb, var(--panel), #000 10%);
}

.step-title-input:focus {
  outline: none;
  border-color: var(--accent);
  background: color-mix(in srgb, var(--panel), #000 6%);
}

.step-actions {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.step-mute,
.step-duplicate,
.step-remove {
  padding: 4px 8px;
  font-size: 11px;
}

.step-mute {
  color: #c5d8f4;
}

.step-mute.active {
  border-color: color-mix(in srgb, var(--warn), #fff 14%);
  background: color-mix(in srgb, var(--panel), var(--warn) 16%);
  color: #ffe5de;
}

.step-duplicate {
  color: #bfd3f0;
}

.step-drag-handle {
  padding: 4px 7px;
  min-width: 0;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: grab;
}

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

.step-remove {
  color: var(--remove-text);
}

.step-socket {
  position: relative;
  text-align: left;
  min-height: 58px;
  padding: 8px 8px 8px 26px;
  font-size: 11px;
  line-height: 1.2;
  white-space: normal;
  overflow-wrap: anywhere;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.step-socket-dot {
  left: 8px;
}

.step-socket.socket-drop-target,
.param-socket.socket-drop-target {
  border-color: #e0ebff;
  box-shadow: 0 0 0 3px rgba(122, 182, 255, 0.24);
}

.step-socket.socket-source-active,
.param-socket.socket-source-active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(122, 182, 255, 0.18);
}

.step-socket-axis-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #adc0dd;
}

.step-socket-param {
  font-size: 10px;
  color: var(--text);
}

.lut-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}

.lut-thumb-wrap {
  position: relative;
  width: 72px;
  height: 72px;
  flex-shrink: 0;
}

.lut-thumb {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--panel-border-strong);
}

.lut-crosshair {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 8px;
  overflow: hidden;
}

.lut-crosshair::before,
.lut-crosshair::after {
  content: '';
  position: absolute;
}

.lut-crosshair::before {
  left: 0;
  right: 0;
  top: var(--ch-y, 50%);
  height: 1px;
  border-top: 1px dashed rgba(255, 255, 255, 0.5);
  background: rgba(0, 0, 0, 0.5);
}

.lut-crosshair::after {
  top: 0;
  bottom: 0;
  left: var(--ch-x, 50%);
  width: 1px;
  border-left: 1px dashed rgba(255, 255, 255, 0.5);
  background: rgba(0, 0, 0, 0.5);
}

.step-lut-select,
.step-blend-mode-select,
.step-op-select {
  width: 100%;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  background: var(--control-bg);
  color: var(--text);
  font-size: 12px;
  padding: 6px 8px;
}

.step-mode-row {
  margin-bottom: 8px;
}

.step-mode-field,
.lut-select-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.op-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.op-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.op-label,
.lut-select-label {
  font-size: 10px;
  color: var(--muted);
}

.error-section {
  border-top: 1px solid var(--line);
}

.error-log {
  padding: 9px 12px;
  font-family: 'SFMono-Regular', 'Consolas', monospace;
  font-size: 11px;
  line-height: 1.45;
  min-height: 36px;
  max-height: 120px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  background: #14171d;
}

.error-log.success {
  color: var(--ok);
}

.error-log.error {
  color: #ffb8aa;
  background: #261614;
}

.error-log.info {
  color: #9daec7;
}

.resizer {
  width: 6px;
  cursor: col-resize;
  background: linear-gradient(to bottom, transparent, var(--resizer-line), transparent);
  flex-shrink: 0;
}

.resizer.dragging {
  background: var(--resizer-active);
}

.preview-panel {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: color-mix(in srgb, var(--panel), #000 14%);
}

.preview-display-section {
  display: flex;
  flex-direction: column;
  flex: 0 0 360px;
  min-height: 190px;
  max-height: calc(100% - 170px);
}

.preview-layout-resizer {
  height: 6px;
  cursor: row-resize;
  flex-shrink: 0;
  background: linear-gradient(to right, transparent, var(--resizer-line), transparent);
}

.preview-layout-resizer.dragging {
  background: var(--resizer-active);
}

.preview-settings-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

.material-panel {
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(122, 182, 255, 0.06), transparent 55%),
    color-mix(in srgb, var(--panel-2), #000 8%);
  padding: 10px 12px 12px;
}

.material-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.panel-preset-row {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.panel-preset-label {
  font-size: 10px;
  color: var(--muted);
  white-space: nowrap;
}

.panel-preset-select {
  min-width: 132px;
  border: 1px solid var(--control-border);
  border-radius: 8px;
  background: var(--control-bg);
  color: var(--text);
  font-size: 12px;
  padding: 6px 8px;
}

.material-help {
  font-size: 11px;
  color: var(--muted);
}

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

.material-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 9px 10px;
  border: 1px solid var(--panel-border-strong);
  border-radius: 12px;
  background: color-mix(in srgb, var(--panel), #000 4%);
}

.material-field-color {
  grid-column: span 2;
}

.material-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.material-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-strong);
}

.material-value {
  font-family: 'SFMono-Regular', 'Consolas', monospace;
  font-size: 11px;
  color: var(--muted);
}

.material-color-input,
.material-range-input {
  width: 100%;
}

.material-color-input {
  height: 34px;
  border: 1px solid var(--control-border);
  border-radius: 9px;
  background: var(--control-bg);
  padding: 4px;
}

.material-range-input {
  accent-color: var(--accent);
}

.light-panel {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-2), #000 10%);
  padding: 10px 12px 12px;
}

.light-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.light-panel-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.light-toggle-btn[aria-pressed="true"] {
  border-color: var(--accent);
  color: #d4e5ff;
}

.preview-canvas-wrap {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
}

.preview-shape-bar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  border-bottom: none;
  background: color-mix(in srgb, var(--panel-2), #000 10%);
}

.preview-shape-group {
  flex-wrap: wrap;
  justify-content: flex-start;
}

.preview-action-menu-wrap,
.header-action-menu-wrap,
.material-action-menu-wrap,
.light-action-menu-wrap,
.lut-editor-action-menu-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.preview-kebab-btn,
.material-kebab-btn,
.light-kebab-btn,
.lut-editor-kebab-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 4px 8px;
  font-size: 16px;
  line-height: 1;
  color: var(--text-strong);
}

.preview-kebab-btn[aria-expanded='true'],
.material-kebab-btn[aria-expanded='true'],
.light-kebab-btn[aria-expanded='true'],
.lut-editor-kebab-btn[aria-expanded='true'] {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--panel), var(--accent) 12%);
}

.header-action-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.header-action-menu-btn[aria-expanded='true'] {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--panel), var(--accent) 12%);
}

.preview-kebab-menu,
.header-action-menu,
.material-kebab-menu,
.light-kebab-menu,
.lut-editor-kebab-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 248px;
  z-index: 30;
  border: 1px solid var(--control-border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--panel), #000 8%);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.36);
  padding: 6px;
}

.preview-kebab-item,
.header-action-menu-item,
.material-kebab-item,
.light-kebab-item,
.lut-editor-kebab-item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border: none;
  border-radius: 8px;
  background: transparent;
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text);
}

.preview-kebab-item:hover,
.header-action-menu-item:hover,
.material-kebab-item:hover,
.light-kebab-item:hover,
.lut-editor-kebab-item:hover {
  transform: none;
  background: color-mix(in srgb, var(--panel-2), var(--accent) 16%);
}

.preview-kebab-item:active,
.header-action-menu-item:active,
.material-kebab-item:active,
.light-kebab-item:active,
.lut-editor-kebab-item:active {
  transform: none;
  background: color-mix(in srgb, var(--panel-2), var(--accent) 24%);
}

.preview-kebab-item:focus-visible,
.header-action-menu-item:focus-visible,
.material-kebab-item:focus-visible,
.light-kebab-item:focus-visible,
.lut-editor-kebab-item:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 1px;
}

.material-kebab-header,
.light-kebab-header,
.header-action-menu-header {
  padding: 8px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  margin-bottom: 4px;
  margin-top: 4px;
}

.material-kebab-header:first-child,
.light-kebab-header:first-child,
.header-action-menu-header:first-child {
  margin-top: 0;
}

#gl-canvas {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  cursor: grab;
}

#gl-canvas:active {
  cursor: grabbing;
}

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

.light-gizmo-layer #light-gizmo-arrow path {
  fill: var(--light-gizmo-main);
}

.light-gizmo-origin {
  fill: #ffe7a6;
  opacity: 0.95;
}

.light-gizmo-tip {
  fill: var(--light-gizmo-main);
  stroke: #ffe8b5;
  stroke-width: 1;
}

.light-gizmo-label {
  fill: #fff1cf;
  font-family: 'Avenir Next', 'Segoe UI', 'Hiragino Sans', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  paint-order: stroke;
  stroke: rgba(45, 30, 0, 0.65);
  stroke-width: 2.4px;
  stroke-linejoin: round;
}

.axis-gizmo-layer {
  position: absolute;
  left: 10px;
  top: 10px;
  width: 92px;
  height: 92px;
  pointer-events: none;
  overflow: visible;
}

.axis-gizmo-back {
  fill: rgba(12, 16, 22, 0.62);
  stroke: rgba(151, 170, 204, 0.3);
  stroke-width: 1;
}

.axis-gizmo-line {
  fill: none;
  stroke-width: 2.1;
  stroke-linecap: round;
}

.axis-gizmo-line-x {
  stroke: var(--axis-x);
}

.axis-gizmo-line-y {
  stroke: var(--axis-y);
}

.axis-gizmo-line-z {
  stroke: var(--axis-z);
}

.axis-gizmo-origin {
  fill: #e6edf9;
}

.axis-gizmo-tip {
  stroke-width: 1;
}

.axis-gizmo-tip-x {
  fill: var(--axis-x);
  stroke: #ffd3cf;
}

.axis-gizmo-tip-y {
  fill: var(--axis-y);
  stroke: #d8ffda;
}

.axis-gizmo-tip-z {
  fill: var(--axis-z);
  stroke: #d7eaff;
}

.axis-gizmo-label {
  font-family: 'Avenir Next', 'Segoe UI', 'Hiragino Sans', sans-serif;
  font-size: 10px;
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: middle;
  paint-order: stroke;
  stroke: rgba(12, 16, 22, 0.78);
  stroke-width: 2.6px;
  stroke-linejoin: round;
}

.axis-gizmo-label-x {
  fill: #ffc1ba;
}

.axis-gizmo-label-y {
  fill: #d2ffd4;
}

.axis-gizmo-label-z {
  fill: #c4e0ff;
}

.shader-panel {
  flex: 0 0 auto;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(122, 182, 255, 0.05), transparent 55%),
    color-mix(in srgb, var(--panel-2), #000 10%);
}

.shader-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
}

.shader-open-btn {
  white-space: nowrap;
}

.shader-dialog {
  margin: auto;
  width: min(980px, calc(100vw - 28px));
  max-height: calc(100vh - 28px);
  border: none;
  padding: 0;
  background: transparent;
  color: var(--text);
}

.shader-dialog::backdrop {
  background: rgba(8, 11, 16, 0.72);
  backdrop-filter: blur(2px);
}

.shader-dialog-surface {
  display: flex;
  flex-direction: column;
  min-height: min(74vh, 720px);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(122, 182, 255, 0.07), transparent 45%),
    color-mix(in srgb, var(--panel-2), #000 14%);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.5);
}

.shader-dialog-head {
  border-bottom: 1px solid var(--line);
}

.shader-help {
  margin-top: 4px;
  font-size: 11px;
  color: var(--muted);
}

.shader-toolbar {
  display: flex;
  align-items: stretch;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.shader-tabs {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--panel-border-strong);
  border-radius: 999px;
  background: #171b22;
}

.shader-tab {
  border-color: transparent;
  background: transparent;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 11px;
  color: var(--muted);
}

.shader-tab:hover {
  transform: none;
}

.shader-tab.active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
}

.shader-copy-btn {
  white-space: nowrap;
}

.shader-meta {
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  font-family: 'SFMono-Regular', 'Consolas', monospace;
  font-size: 11px;
  color: var(--muted);
}

.shader-code-output {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 12px;
  font-family: 'SFMono-Regular', 'Consolas', monospace;
  font-size: 11px;
  line-height: 1.5;
  white-space: pre;
  color: #dde7fb;
  user-select: text;
}

.lut-strip-panel {
  flex: 0 0 auto;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--bg-2), var(--bg) 55%),
    color-mix(in srgb, var(--panel), #000 12%);
  padding: 10px 12px 12px;
}

.lut-strip-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.lut-strip-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lut-strip-list {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  overflow-y: hidden;
  min-height: 122px;
  padding-bottom: 2px;
}

.lut-strip-empty {
  width: 100%;
  min-height: 92px;
  border: 1px dashed var(--panel-border-strong);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 12px;
}

.lut-strip-item {
  flex: 0 0 120px;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--panel-border-strong);
  border-radius: 12px;
  background: var(--surface-inset);
  position: relative;
  cursor: grab;
}

.lut-strip-add-item {
  flex: 0 0 120px;
  aspect-ratio: 1 / 1;
  border: 1px dashed var(--line);
  border-radius: 12px;
  background: transparent;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: 120ms ease;
}

.lut-strip-add-item:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--surface-inset), var(--accent) 8%);
}

.lut-strip-add-item button {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 0;
  font-size: 12px;
}

.lut-strip-add-item--split {
  display: flex;
  flex-direction: column;
  cursor: default;
  padding: 0;
  overflow: hidden;
}

.lut-strip-add-item--split:hover {
  background: transparent;
  border-color: var(--line);
}

.lut-strip-add-new,
.lut-strip-add-browse {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 0;
  font-size: 12px;
  cursor: pointer;
  transition: 120ms ease;
}

.lut-strip-add-new {
  flex: 2 0 0;
  border-bottom: 1px dashed var(--line);
}

.lut-strip-add-browse {
  flex: 1 0 0;
}

.lut-strip-add-new:hover,
.lut-strip-add-browse:hover {
  color: var(--accent);
  background: color-mix(in srgb, var(--surface-inset), var(--accent) 8%);
}

.lut-strip-item.dragging-lut {
  opacity: 0.42;
}

.lut-strip-item.lut-drop-before {
  box-shadow: -3px 0 0 var(--accent);
}

.lut-strip-item.lut-drop-after {
  box-shadow: 3px 0 0 var(--accent);
}

.lut-strip-thumb-wrap {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
}

.lut-strip-thumb {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.lut-strip-meta {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 2px;
  padding: 5px 7px;
  background: rgba(13, 18, 28, 0.72);
  backdrop-filter: blur(3px);
}

.lut-strip-name {
  font-size: 11px;
  line-height: 1.35;
  color: var(--text-strong);
  overflow-wrap: anywhere;
  grid-row: 1;
  grid-column: 1 / -1;
}

.lut-strip-stats {
  font-size: 10px;
  color: var(--muted);
  grid-row: 2;
}

.lut-strip-remove {
  margin-top: auto;
  font-size: 10px;
  padding: 4px 7px;
  color: var(--remove-text);
  grid-row: 2;
  height: 16px;
  box-sizing: content-box;
}

/* LUT Strip: action buttons row */
.lut-strip-actions {
  display: flex;
  gap: 4px;
  align-items: stretch;
  justify-content: flex-end;
  grid-row: 2;
}

.lut-strip-edit {
  font-size: 10px;
  padding: 4px 7px;
  color: var(--accent);
}

.lut-strip-kebab-wrap {
  display: flex;
}

.lut-strip-kebab {
  display: flex;
  margin-top: auto;
  align-items: stretch;
  justify-content: center;
  padding: 4px 7px;
  height: 15px;
  box-sizing: content-box;
}

.symbol-kebab {
  position: relative;
  display: inline-flex;
  justify-content: center;
  font-size: 0;
  align-items: center;
  width: 20px;
  color: transparent;
}

.symbol-kebab::before {
  display: inline-block;
  width: 20px;
  height: 0;
  border-top: 4px dotted var(--text-strong);
  content: '';
}

.lut-strip-menu {
  z-index: 200;
  background: var(--panel);
  border: 1px solid var(--panel-border-strong);
  border-radius: 8px;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 110px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.lut-strip-menu-item {
  text-align: left;
  font-size: 12px;
  padding: 6px 10px;
  border: none;
  border-radius: 5px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.lut-strip-menu-item:hover {
  transform: none;
  background: color-mix(in srgb, var(--panel-2), var(--accent) 16%);
}

.lut-strip-menu-item:active {
  transform: none;
  background: color-mix(in srgb, var(--panel-2), var(--accent) 24%);
}

.lut-strip-menu-item:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 1px;
}

.lut-strip-menu-item--danger {
  color: var(--remove-text);
}

/* LUT Editor Dialog */
.lut-editor-dialog {
  margin: auto;
  width: min(860px, calc(100vw - 28px));
  max-height: calc(100vh - 28px);
  border: none;
  padding: 0;
  background: transparent;
  color: var(--text);
}

.lut-editor-dialog::backdrop {
  background: rgba(8, 11, 16, 0.72);
  backdrop-filter: blur(2px);
}

.lut-editor-dialog-surface {
  display: flex;
  flex-direction: column;
  height: min(80vh, 680px);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(122, 182, 255, 0.07), transparent 45%),
    color-mix(in srgb, var(--panel-2), #000 14%);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.5);
}

.lut-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}

.lut-editor-title-input {
  min-width: 0;
  flex: 1;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 6px;
  margin: -4px 0 -4px -6px;
}

.lut-editor-title-input:hover {
  border-color: color-mix(in srgb, var(--line), var(--accent) 32%);
  background: color-mix(in srgb, var(--panel-2), #000 10%);
}

.lut-editor-title-input:focus {
  outline: none;
  border-color: var(--accent);
  background: color-mix(in srgb, var(--panel-2), #000 6%);
}

.lut-editor-head-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.lut-editor-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Left: 2D preview canvas */
.lut-editor-preview-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  gap: 8px;
  border-right: 1px solid var(--line);
  flex-shrink: 0;
}

.lut-editor-canvas-area {
  display: grid;
  grid-template-columns: 256px 24px;
  grid-template-rows: 256px 24px;
}

.lut-editor-canvas-wrap {
  position: relative;
  width: 256px;
  height: 256px;
  border: 1px solid var(--control-border);
  border-radius: 4px;
  cursor: crosshair;
}

.lut-editor-canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}

.lut-editor-axis-options {
  display: flex;
  gap: 10px;
  padding: 4px 2px 0;
}

.lut-editor-axis-option {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.lut-editor-axis-option input[type="radio"] {
  accent-color: var(--accent);
  cursor: pointer;
}

/* Ramp knob strip (right side of canvas) */
.lut-editor-ramp-knob-strip {
  position: relative;
  grid-row: 1;
  grid-column: 2;
  cursor: crosshair;
}

.lut-editor-ramp-knob {
  position: absolute;
  left: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--muted);
  border: 2px solid color-mix(in srgb, var(--surface-inset), #000 30%);
  transform: translateY(-50%);
  cursor: ns-resize;
  touch-action: none;
  transition: background 0.1s, box-shadow 0.1s, opacity 0.1s, transform 0.1s;
}

.lut-editor-ramp-knob.selected {
  background: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent), transparent 60%);
}

.lut-editor-ramp-knob.boundary {
  opacity: 0.6;
}

.lut-editor-ramp-knob.pending-delete {
  background: #f44;
  opacity: 0.55;
  transform: translateY(-50%) scale(0.75);
  cursor: no-drop;
}

/* Stop knob strip (below canvas) */
.lut-editor-stop-knob-strip {
  position: relative;
  grid-row: 2;
  grid-column: 1;
  cursor: crosshair;
}

.lut-editor-stop-knob {
  position: absolute;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, var(--surface-inset), #000 30%);
  transform: translateX(-50%);
  cursor: ew-resize;
  touch-action: none;
  box-shadow: 0 0 0 0 transparent;
  transition: box-shadow 0.1s, opacity 0.1s, transform 0.1s;
}

.lut-editor-stop-knob.focused {
  box-shadow: 0 0 0 2px var(--accent);
}

.lut-editor-stop-knob.boundary {
  opacity: 0.6;
}

.lut-editor-stop-knob.pending-delete {
  opacity: 0.55;
  transform: translateX(-50%) scale(0.75);
  border-color: #f44;
  cursor: no-drop;
}

/* Axis-swapped: ramp strip moves to bottom, stop strip moves to right */
.lut-editor-canvas-area.axis-swapped .lut-editor-ramp-knob-strip {
  grid-row: 2;
  grid-column: 1;
}

.lut-editor-canvas-area.axis-swapped .lut-editor-stop-knob-strip {
  grid-row: 1;
  grid-column: 2;
}

/* Ramp knob in bottom rail: horizontal positioning */
.lut-editor-canvas-area.axis-swapped .lut-editor-ramp-knob {
  left: auto;
  top: 4px;
  transform: translateX(-50%);
  cursor: ew-resize;
}

.lut-editor-canvas-area.axis-swapped .lut-editor-ramp-knob.pending-delete {
  transform: translateX(-50%) scale(0.75);
}

/* Stop knob in right rail: vertical positioning */
.lut-editor-canvas-area.axis-swapped .lut-editor-stop-knob {
  top: auto;
  left: 4px;
  transform: translateY(-50%);
  cursor: ns-resize;
}

.lut-editor-canvas-area.axis-swapped .lut-editor-stop-knob.pending-delete {
  transform: translateY(-50%) scale(0.75);
}

/* Right: ramp list + stop editor */
.lut-editor-right-col {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.lut-editor-ramp-section {
  display: flex;
  flex-direction: column;
  flex: 0 0 auto;
  border-bottom: 1px solid var(--line);
  padding: 12px 16px;
  gap: 8px;
  max-height: 50%;
  overflow: auto;
}

.lut-editor-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.lut-editor-section-header-actions {
  display: flex;
  align-items: stretch;
  gap: 8px;
  flex-shrink: 0;
}

.lut-editor-kebab-menu {
  min-width: 180px;
  z-index: 220;
}

.lut-editor-section-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.lut-editor-ramp-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lut-editor-ramp-position-editor {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 2px 2px;
}

.lut-editor-ramp-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.1s, opacity 0.1s;
  user-select: none;
}

.lut-editor-ramp-row:hover {
  background: rgba(255, 255, 255, 0.05);
}

.lut-editor-ramp-row.selected {
  border-color: var(--accent);
  background: rgba(122, 182, 255, 0.08);
}

.lut-editor-ramp-row.dragging {
  opacity: 0.35;
  pointer-events: none;
}

.lut-editor-ramp-drag-handle,
.lut-editor-ramp-drag-handle-placeholder {
  flex-shrink: 0;
  width: 14px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lut-editor-ramp-drag-handle {
  cursor: grab;
  opacity: 0.45;
  color: var(--muted);
  font-size: 13px;
  user-select: none;
}

.lut-editor-ramp-drag-handle::before {
  content: '⠿';
}

.lut-editor-ramp-drag-handle:hover {
  opacity: 0.85;
}

.lut-editor-ramp-drop-indicator {
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  margin: 0 8px;
  box-shadow: 0 0 4px color-mix(in srgb, var(--accent), transparent 50%);
}

.lut-editor-ramp-swatch {
  width: 48px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.lut-editor-ramp-y {
  font-size: 11px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  flex: 1;
}

.lut-editor-ramp-remove {
  font-size: 10px;
  padding: 3px 7px;
  color: var(--remove-text);
  flex-shrink: 0;
}

.lut-editor-ramp-add {
  font-size: 11px;
  padding: 5px 10px;
}

/* Stop editor */
.lut-editor-stop-section {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: auto;
  padding: 12px 16px;
  gap: 8px;
}

.lut-editor-stop-preview-area {
  flex-shrink: 0;
}

.lut-editor-stop-preview {
  position: relative;
  width: 100%;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--control-border);
  overflow: visible;
  /* vertical margin to leave room for knobs above and below */
  margin: 14px 0;
}

.lut-editor-preview-stop-knob {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, 0.3);
  transform: translateX(-50%);
  cursor: ew-resize;
  touch-action: none;
  transition: box-shadow 0.1s;
  /* Default placement: below the bar */
  top: calc(100% + 3px);
}

.lut-editor-preview-stop-knob.above {
  top: auto;
  bottom: calc(100% + 3px);
}

.lut-editor-preview-stop-knob.focused {
  box-shadow: 0 0 0 2px var(--accent);
}

.lut-editor-preview-stop-knob.boundary {
  opacity: 0.6;
}

/* Focused stop editor */
.lut-editor-stop-editor {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lut-editor-stop-editor-field {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lut-editor-stop-editor-label {
  font-size: 11px;
  color: var(--muted);
  min-width: 52px;
  flex-shrink: 0;
}

.lut-editor-stop-editor-unit {
  font-size: 11px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  min-width: 34px;
}

.lut-editor-stop-pos-input {
  width: calc(6ch + 16px);
  box-sizing: content-box;
  font-size: 12px;
  padding: 3px 6px;
  border: 1px solid var(--control-border);
  border-radius: 4px;
  background: var(--surface-inset);
  color: var(--text);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.lut-editor-stop-pos-input:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.lut-editor-stop-editor-actions {
  display: flex;
  gap: 8px;
  align-items: stretch;
  flex-wrap: wrap;
}

.lut-editor-stop-color {
  width: 32px;
  height: 22px;
  padding: 0;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  background: none;
}

.lut-editor-stop-alpha {
  width: 100%;
  height: 4px;
  accent-color: var(--accent);
}

.lut-editor-stop-remove {
  font-size: 11px;
  padding: 5px 10px;
  color: var(--remove-text);
}

.lut-editor-stop-add {
  font-size: 11px;
  padding: 5px 10px;
}

.lut-editor-no-ramp {
  font-size: 12px;
  color: var(--muted);
  padding: 12px 0;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

@media (max-width: 1180px) {
  .pipeline-panel {
    min-width: 430px;
  }

  .step-item {
    grid-template-columns: 7ch minmax(0, 1fr) 90px;
    hyphens: auto;
    word-wrap: auto;
  }

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

  .material-field-color {
    grid-column: span 1;
  }

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

  .shader-panel {
    flex-basis: auto;
  }
}

@media (max-width: 900px) {
  .main {
    flex-direction: column;
  }

  .pipeline-panel {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    min-height: 55%;
  }

  .resizer {
    width: 100%;
    height: 6px;
    cursor: row-resize;
  }

  .pipeline-workspace {
    grid-template-columns: 1fr;
    grid-template-rows: 200px minmax(0, 1fr);
    column-gap: 0;
    row-gap: 14px;
  }

  .preview-shape-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .preview-display-section {
    flex-basis: 300px;
    min-height: 170px;
    max-height: none;
  }

  .preview-shape-group {
    width: 100%;
    justify-content: flex-start;
  }

  .preview-action-menu-wrap {
    margin-left: auto;
  }

  .preview-kebab-menu {
    left: 0;
    right: auto;
    min-width: min(280px, calc(100vw - 32px));
  }

  .material-panel-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .light-panel-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .light-panel-actions {
    width: 100%;
    justify-content: space-between;
  }

  .panel-preset-row {
    width: 100%;
    justify-content: space-between;
  }

  .panel-preset-select {
    min-width: 0;
    flex: 1 1 auto;
  }

  .shader-panel {
    min-height: 0;
  }

  .shader-dialog {
    width: calc(100vw - 16px);
    max-height: calc(100vh - 16px);
  }

  .shader-dialog-surface {
    min-height: min(82vh, 700px);
  }

  .axis-gizmo-layer {
    left: 8px;
    top: 8px;
    width: 82px;
    height: 82px;
  }

  .shader-panel-head {
    flex-direction: column;
  }

  .shader-toolbar {
    width: 100%;
    justify-content: space-between;
  }

  .param-column {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .lut-strip-panel {
    padding: 10px;
  }

  .lut-strip-head {
    flex-wrap: wrap;
  }

  .lut-strip-item {
    flex-basis: 152px;
  }
}