#pixel-test {
  top: 48%;
  left: 55%;
  transform: translate(-50%, -50%);
  display: none;
  width: min(680px, calc(100vw - 48px));
}

.pixel-test-content {
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

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

.pixel-test-content .toolbar {
  width: 180px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-right: 2px solid var(--line);
  flex-shrink: 0;
}

.pixel-test-content .canvas-container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
  overflow: auto;
}

.pixel-test-content canvas {
  border: 2px solid var(--line-strong);
  cursor: crosshair;
}

.pixel-test-content .tool-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pixel-test-content .tool-section h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin: 0;
}

.pixel-test-content .tool-buttons {
  display:flex;
  gap: 5px;
}

.pixel-test-content .tool-btn {
  font-family:system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  width: 57px;
  height: 42px;
  font-size: 10;
  border: 2px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--text);
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s;
  padding: 0;
}

.pixel-test-content .tool-btn.active {
  background: var(--green);
  border-color: var(--green);
  color: #080808;
}

.pixel-test-content .color-palette {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.pixel-test-content .color-swatch {
  width: 100%;
  aspect-ratio: 1;
  border: 2px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s;
}

.pixel-test-content .color-swatch:hover {
  transform: scale(1.1);
}

.pixel-test-content .color-swatch.active {
  border-color: var(--green);
  transform: scale(1.15);
}

.pixel-test-content .custom-color-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: var(--muted);
  cursor: pointer;
}

.pixel-test-content .custom-color-label input[type="color"] {
  width: 32px;
  height: 24px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  background: none;
  padding: 0;
}

.pixel-test-content select {
  padding: 6px;
  border: 2px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
}