/* Stage (área de preview) */
.mock-stage {
  position: relative;
  width: 100%;
  max-width: 320px;   /* menor no mobile */
  margin: 0 auto;
  background: #f9f9f9;
  border-radius: 18px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  overflow: hidden;
}

/* Ajuste em telas pequenas */
@media (max-width: 600px) {
  .mock-stage {
    max-width: 260px;
  }
}


/* Mockup base */
#mockup {
  width: 100%;
  height: auto;
  display: block;
}

/* Estampa (upload do usuário) */
#stamp {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  display: none;
}

/* Paleta de cores */
.palette {
  display: flex;
  gap: 8px;
  margin: 10px 0;
}

.color-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #ccc;
  cursor: pointer;
  transition: transform 0.2s;
}

.color-btn:hover {
  transform: scale(1.1);
}