.coloring-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.picture-select {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.pic-btn {
  background: #fff;
  border: 2px solid var(--purple);
  color: var(--purple);
  padding: 10px 18px;
  border-radius: 20px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pic-btn:hover {
  background: var(--purple);
  color: #fff;
}

.pic-btn.active {
  background: var(--purple);
  color: #fff;
}

.canvas-area {
  background: #fff;
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

#coloring-canvas {
  display: block;
  border: 3px solid #eee;
  border-radius: 12px;
  cursor: crosshair;
  max-width: 100%;
  touch-action: none;
}

.palette {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  max-width: 600px;
}

.color-swatch {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.color-swatch:hover {
  transform: scale(1.15);
}

.color-swatch.selected {
  border-color: var(--purple);
  transform: scale(1.15);
}

.tools {
  margin-top: 6px;
}