/* 🎯 Tổng thể */
body {
  font-family: "Segoe UI", Tahoma, sans-serif;
  background: #f2f6f9;
  padding: 30px;
  display: flex;
  justify-content: center;
}

#search-container {
  background: #ffffff;
  padding: 25px;
  border-radius: 12px;
  max-width: 500px;
  width: 100%;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  text-align: center;
}

/* 🏷️ Tiêu đề */
#search-container h2 {
  margin-bottom: 20px;
  font-size: 22px;
  color: #333;
}

/* ✍️ Ô nhập mã sản phẩm */
#searchCode {
  width: 100%;
  padding: 12px 15px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 8px;
  margin-bottom: 15px;
  outline: none;
  transition: all 0.3s ease;
}

#searchCode:focus {
  border-color: #1e88e5;
  box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.2);
}

/* 🔘 Nút tìm kiếm */
button {
  background: #1e88e5;
  color: white;
  padding: 12px 20px;
  font-size: 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background: #1565c0;
}

/* 🧾 Kết quả tra cứu */
#result {
  margin-top: 20px;
  font-size: 16px;
  text-align: left;
}

#result div {
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  background: #fafafa;
  padding: 15px;
}

#result p {
  margin: 8px 0;
  font-size: 15px;
}

#result p strong {
  color: #1e88e5;
}