body {
  font-family: 'Sarabun', sans-serif;
  margin: 0;
  padding: 0;
  background-image: url('/img/Background.png'); /* เปลี่ยน path ตามไฟล์ของคุณ */
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: #333;
}


h1, h2, h3 {
  color: #fafdff;
}

form {
  max-width: 800px;
  margin: 40px auto;
  padding: 30px;
 /* background: #fff; */ /*สีกรอบฟอม*/
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(0,0,0,0.1);
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 16px;
  box-sizing: border-box;
  transition: border-color 0.3s, background-color 0.3s;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: #007bff;
  background-color: #f0f8ff;
}

input.error,
textarea.error,
select.error {
  border: 2px solid red;
  background-color: #fff1f1;
}

button {
  background-color: #007bff;
  color: #fff;
  border: none;
  padding: 12px 24px;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
  margin-right: 10px;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #0056b3;
}

button:disabled {
  background-color: #ccc;
  cursor: not-allowed;
}

.top-banner {
  background-color: #d4edda;
  color: #155724;
  padding: 15px 20px;
  text-align: center;
  font-weight: bold;
  border-bottom: 2px solid #c3e6cb;
}

.form-page {
  display: none;
}

.form-page.active {
  display: block;
}

.info-options label {
  border: 1px solid #ccc;
  padding: 10px;
  border-radius: 10px;
  background: #f8f8f8;
  cursor: pointer;
  display: block;
  margin-bottom: 15px;
  transition: border-color 0.3s;
}

.info-options label:hover {
  border-color: #007bff;
}

input[type="radio"]:checked + strong {
  color: #007bff;
}