.product-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

@media (max-width: 900px) {
  .product-page {
    grid-template-columns: 1fr;
  }
}

/* Zone d'aperçu / Canvas BÀT */
.preview-container {
  background: var(--color-rose-poudre);
  border: 1px solid var(--color-rose-pastel);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: sticky;
  top: 100px;
}

.canvas-wrapper {
  position: relative;
  box-shadow: 0 10px 30px rgba(16, 42, 67, 0.1);
  border-radius: 12px;
  overflow: hidden;
  background: var(--color-blanc-pur);
}

#batCanvas {
  display: block;
  max-width: 100%;
  height: auto;
}

.resolution-alert {
  margin-top: 1rem;
  padding: 10px 15px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}

.resolution-alert.warning {
  background-color: #FFF3CD;
  color: #856404;
  border: 1px solid #FFEEBA;
  display: block;
}

/* Options de personnalisation */
.customization-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font-primary);
  font-weight: 600;
  color: var(--color-bleu-marine);
}

.form-control {
  padding: 12px;
  border: 1px solid var(--color-rose-pastel);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-rose-framboise);
}

.color-options {
  display: flex;
  gap: 10px;
}

.color-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.2s;
}

.color-dot.active {
  border-color: var(--color-bleu-marine);
  transform: scale(1.1);
}

.validation-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 1rem;
  font-size: 0.9rem;
}