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

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

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

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

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

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

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

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

.ui-inline-add-button {
  width: 100%;
  border: 1px dashed var(--color-line);
  border-radius: 12px;
  background: transparent;
  padding: 8px;
  transition: 120ms ease;
}

.ui-inline-add-button:hover {
  transform: none;
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-surface-inset), var(--color-accent) 8%);
}

.ui-ghost-button {
  background: transparent;
}

.ui-small-action-button {
  padding: 4px 8px;
  font-size: 11px;
}

.ui-menu-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.ui-menu-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 4px 8px;
  font-size: 16px;
  line-height: 1;
  color: var(--color-text-strong);
}

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

.ui-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 248px;
  z-index: 30;
  border: 1px solid var(--color-control-border);
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-panel), var(--color-bg) 8%);
  box-shadow: 0 14px 28px color-mix(in srgb, var(--color-bg), transparent 64%);
  padding: 6px;
}

.ui-menu-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(--color-text);
}

.ui-menu-item:hover,
.ui-menu-item:active {
  transform: none;
}

.ui-menu-item:hover {
  background: color-mix(in srgb, var(--color-panel-2), var(--color-accent) 16%);
}

.ui-menu-item:active {
  background: color-mix(in srgb, var(--color-panel-2), var(--color-accent) 24%);
}

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

.ui-menu-header {
  padding: 8px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-line);
  margin: 4px 0;
}

.ui-menu-header:first-child {
  margin-top: 0;
}

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

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

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

.ui-range-input {
  width: 100%;
  accent-color: var(--color-accent);
}

.ui-color-input {
  width: 100%;
  height: 34px;
  border: 1px solid var(--color-control-border);
  border-radius: 9px;
  background: var(--color-control-bg);
  padding: 4px;
}

.ui-editable-text-input {
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
}

.ui-editable-text-input:hover {
  border-color: color-mix(in srgb, var(--color-line), var(--color-accent) 32%);
  background: color-mix(in srgb, var(--color-panel), var(--color-bg) 10%);
}

.ui-editable-text-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-panel), var(--color-bg) 6%);
}

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

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

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

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

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

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

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

@media (max-width: 900px) {
  .preview-kebab-menu {
    left: 0;
    right: auto;
    min-width: min(280px, calc(100vw - 32px));
  }
}