body {
  font-family: Arial, sans-serif;
  background: #f6f8fa;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 800px;
  margin: 50px auto;
  background: white;
  padding: 20px 30px;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

h1, h2 {
  color: #333;
}

.btn {
  display: inline-block;
  padding: 8px 14px;
  background: #007bff;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  margin-right: 5px;
}

.btn:hover {
  background: #0056b3;
}

.card {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 10px;
  background: #fafafa;
}

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

input {
  padding: 6px;
  width: 100%;
  box-sizing: border-box;
}