.beta-form {
  max-width: 400px;
  margin: 2em auto;
  padding: 1.5em;
  background: #f9f9f9;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  font-family: sans-serif;
}
.beta-form h3 {
  text-align: center;
  margin-bottom: 1em;
}
.beta-form label {
  display: block;
  margin: .5em 0 .2em;
  font-weight: bold;
}
.beta-form input {
  width: 100%;
  padding: .5em;
  margin-bottom: 1em;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.beta-form button {
  width: 100%;
  padding: .7em;
  background: #4CAF50;
  color: white;
  border: none;
  font-size: 1em;
  border-radius: 4px;
  cursor: pointer;
}
.beta-form button:hover {
  background: #45a049;
}

.beta-thanks {
  text-align: center;
  max-width: 400px;
  margin: 2em auto;
  padding: 1.5em;
  background: #e8f5e9;
  border-radius: 8px;
  border: 1px solid #c8e6c9;
}
.beta-thanks h2 {
  margin-bottom: .5em;
  color: #2e7d32;
}
.beta-error {
  color: #d32f2f;
  text-align: center;
}
.beta-ad {
  max-width: 400px;
  margin: 2em auto;
  text-align: center;
}

.beta-description {
  font-size: 1rem;
  margin-bottom: 1em;
  color: #555;
}