body {
  font-family: Arial, sans-serif;
  background-color: #f0f0f0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.container {
  width: 100%;
  max-width: 400px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.form-header {
  display: flex;
  border-bottom: 1px solid #ddd;
}

.tab-button {
  flex: 1;
  padding: 10px;
  text-align: center;
  background: #f9f9f9;
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}

.tab-button.active {
  background: #fff;
  border-bottom: 2px solid #007bff;
}

.form-content {
  padding: 20px;
  display: none;
}

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

form label {
  display: block;
  margin: 10px 0 5px;
}

form input {
  width: 94%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

form button {
  width: 100%;
  padding: 10px;
  background: #007bff;
  border: none;
  color: white;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.3s;
}

form button:hover {
  background: #0056b3;
}