.drop-panel {
  padding: 0;
  overflow: hidden;
}

.bg-preview-wrap {
  position: relative;
  margin: 0 auto 1rem;
  max-width: 100%;
  border-radius: var(--radius-md, 0.5rem);
  overflow: hidden;
  background-color: #ccc;
  background-image:
    linear-gradient(45deg, #b0b0b0 25%, transparent 25%),
    linear-gradient(-45deg, #b0b0b0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #b0b0b0 75%),
    linear-gradient(-45deg, transparent 75%, #b0b0b0 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

.bg-preview-wrap canvas {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: contain;
  cursor: crosshair;
}

.bg-preview-wrap.bg-preview-wrap--brush canvas {
  cursor: cell;
}

.tool-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.tool-tab {
  padding: 0.4rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 700;
  border: 2px solid var(--page-border, #ddd);
  border-radius: var(--radius-md, 0.5rem);
  background: var(--page-bg);
  color: var(--page-fg);
  cursor: pointer;
}

.tool-tab[aria-selected='true'] {
  border-color: var(--accent-coral, #ff7a5c);
  background: var(--accent-coral-soft, rgba(255, 122, 92, 0.12));
}

.bg-ai-note {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  color: var(--page-fg-muted);
}

.field-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.color-swatch {
  width: 2rem;
  height: 2rem;
  border-radius: 0.35rem;
  border: 2px solid var(--page-border, #ccc);
}