.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
}
.help-content {
  background: white;
  padding: 20px;
  border-radius: 5px;
  width: 90%;
  max-width: 500px;
  position: relative;
}
.help-content h3 {
  margin-top: 0;
}
.form-group {
  margin-bottom: 15px;
}
.form-group label {
  display: block;
  margin-bottom: 5px;
}
.form-group input, .form-group textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.form-group textarea {
  resize: vertical;
}
.error-message {
  color: red;
  font-size: 0.9em;
}
.success-message {
  color: green;
  font-size: 0.9em;
}
button {
  padding: 10px 20px;
  background: #3399cc;
  color: white;
  border: none;
  cursor: pointer;
}
button.close {
  background: #ccc;
  margin-left: 10px;
}