.MosaicEditor {
  --background: #0d0d10;
  --panel-background: rgba(20, 20, 24, 0.94);
  --border: #2a2a32;
  --border-strong: #3a3a44;
  --text: #ededf0;
  --text-dim: #7d7d88;
  --text-faint: #4a4a54;
  --accent: #ff7a3d;
  position: fixed;
  inset: 0;
  box-sizing: border-box;
  overflow: hidden;
  background: var(--background);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
}
.MosaicEditor * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.MosaicEditor canvas {
  display: block;
  max-width: calc(100vw - 64px);
  max-height: calc(100vh - 64px);
}
.MosaicEditor-Stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.MosaicEditor-Stage[data-file-over] {
  background: rgba(255, 122, 61, 0.08);
  outline: 2px dashed var(--accent);
  outline-offset: -16px;
}
.MosaicEditor-CanvasWrap {
  position: relative;
  line-height: 0;
}
.MosaicEditor-Canvas {
  background: #1a1a1f;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}
.MosaicEditor-Overlay {
  position: absolute;
  top: 0;
  left: 0;
  background: transparent;
  cursor: crosshair;
  touch-action: none;
}
.MosaicEditor-Dimension {
  position: absolute;
  background: var(--accent);
  color: #0d0d10;
  font-family: "SF Mono", "JetBrains Mono", Menlo, monospace;
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  padding: 3px 7px;
  border-radius: 2px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translate(-100%, -100%) translateY(-6px);
  transition: opacity 0.1s;
}
.MosaicEditor-Dimension[data-visible] {
  opacity: 1;
}
.MosaicEditor-Panel {
  position: fixed;
  top: 24px;
  right: 24px;
  width: 248px;
  background: var(--panel-background);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  user-select: none;
  -webkit-user-select: none;
  z-index: 100;
}
.MosaicEditor-Handle {
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  cursor: move;
  touch-action: none;
}
.MosaicEditor-HandleDot {
  width: 3px;
  height: 3px;
  background: var(--text-faint);
  border-radius: 50%;
}
.MosaicEditor-PanelBody {
  padding: 16px;
}
.MosaicEditor-Field {
  margin-bottom: 16px;
}
.MosaicEditor-Field:last-child {
  margin-bottom: 0;
}
.MosaicEditor-FieldHead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 8px;
}
.MosaicEditor-FieldLabel {
  color: var(--text-dim);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.MosaicEditor-FieldValue {
  color: var(--text);
  font-family: "SF Mono", "JetBrains Mono", Menlo, monospace;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}
.MosaicEditor-Slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: var(--border-strong);
  border-radius: 2px;
  outline: none;
}
.MosaicEditor-Slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 2px solid var(--background);
  border-radius: 50%;
  cursor: pointer;
}
.MosaicEditor-Slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 2px solid var(--background);
  border-radius: 50%;
  cursor: pointer;
}
.MosaicEditor-FileButton {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 9px 12px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  text-align: center;
  user-select: none;
  transition: all 0.12s;
}
.MosaicEditor-FileButton:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--text-dim);
}
.MosaicEditor-FileButton:active {
  transform: scale(0.98);
}
.MosaicEditor-FileInput {
  display: none;
}
.MosaicEditor-Hint {
  margin-top: 6px;
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-align: center;
}
.MosaicEditor-Separator {
  height: 1px;
  margin: 16px -16px;
  background: var(--border);
}
.MosaicEditor-Toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
.MosaicEditor-ToggleText {
  color: var(--text-dim);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.MosaicEditor-ToggleInput {
  display: none;
}
.MosaicEditor-ToggleInput:checked + .MosaicEditor-ToggleSwitch {
  background: var(--accent);
}
.MosaicEditor-ToggleInput:checked + .MosaicEditor-ToggleSwitch::after {
  background: #0d0d10;
  transform: translateX(12px);
}
.MosaicEditor-ToggleSwitch {
  position: relative;
  width: 28px;
  height: 16px;
  background: var(--border-strong);
  border-radius: 8px;
  transition: background 0.15s;
}
.MosaicEditor-ToggleSwitch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  background: var(--text);
  border-radius: 50%;
  transition: transform 0.15s;
}
.MosaicEditor-ButtonRow {
  display: flex;
  gap: 6px;
}
.MosaicEditor-Button {
  display: inline-flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  padding: 9px 12px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  text-align: center;
  user-select: none;
  transition: all 0.12s;
}
.MosaicEditor-Button:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--text-dim);
}
.MosaicEditor-Button:active {
  transform: scale(0.98);
}
.MosaicEditor-Button[data-primary] {
  background: var(--accent);
  color: #0d0d10;
  border-color: var(--accent);
  font-weight: 600;
}
.MosaicEditor-Button[data-primary]:hover {
  background: #ff8b54;
  border-color: #ff8b54;
}
.MosaicEditor-Status {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-dim);
  font-family: "SF Mono", "JetBrains Mono", Menlo, monospace;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
  text-align: center;
  pointer-events: none;
}