/* ====== GIAO DIỆN CHUNG ====== */
.baohanh-info-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  margin-top: 40px;
  padding: 0 20px;
  box-sizing: border-box;
}

.customer-info, .product-info {
  flex: 1;
  min-width: 280px;
  max-width: 800px;
  background: #ffffff;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  box-sizing: border-box;
}

.customer-info h3,
.product-info h3 {
  margin-bottom: 20px;
  color: #ff0000;
  font-size: 20px;
  text-align: left;
}

.customer-info label,
.product-info label {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  color: #333;
}

.customer-info input,
.customer-info select,
.customer-info textarea,
.product-info input {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 18px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
  box-sizing: border-box;
  resize: vertical;
}

input[readonly] {
  background-color: #f5f5f5;
  cursor: not-allowed;
}

/* ====== FORM CHUNG ====== */
form {
  max-width: 500px;
  width: 100%;
  margin: 30px auto;
  background-color: #fafafa;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  box-sizing: border-box;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  color: #333;
  font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 14px;
  box-sizing: border-box;
}

/* ====== NÚT BẤM ====== */
.btn.btn-primary {
  background-color: #e11111;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 15px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s;
  width: 100%;
}

.btn.btn-primary:hover {
  background-color: #9e1515;
}

/* ====== LƯỚI SẢN PHẨM ====== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-field label {
  margin-bottom: 0;
}

/* ====== RESPONSIVE MOBILE < 1024px ====== */
@media (max-width: 1024px) {
  .baohanh-info-container {
    flex-direction: column;
    gap: 24px;
    margin: 20px 0;
    padding: 0 16px;
  }

  .customer-info, .product-info {
    width: 100%;
    max-width: 100%;
    padding: 20px;
    box-shadow: none;
  }

  .customer-info h3,
  .product-info h3 {
    font-size: 18px;
    text-align: center;
  }

  .customer-info label,
  .product-info label,
  .form-group label {
    font-size: 13px;
  }

  .customer-info input,
  .customer-info select,
  .customer-info textarea,
  .product-info input,
  .form-group input,
  .form-group select {
    font-size: 13px;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  form {
    padding: 16px;
    margin: 20px auto;
  }
}