body {
  font-family: Arial, sans-serif;
  background: #f0f2f5;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

form {
  background: #fff;
  padding: 20px 25px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 400px;
}

h2 {
  text-align: center;
  margin-bottom: 15px;
  color: #333;
}

label {
  display: block;
  margin-top: 12px;
  font-weight: bold;
  color: #555;
}

input, textarea {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 14px;
}

textarea {
  resize: none;
}

.error {
  color: red;
  font-size: 13px;
  margin-top: 2px;
}

button {
  width: 100%;
  padding: 10px;
  background: #28a745;
  border: none;
  color: white;
  font-size: 16px;
  border-radius: 5px;
  cursor: pointer;
  margin-top: 15px;
  transition: background 0.3s;
}

button:hover {
  background: #218838;
}