body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  background: #f5f5f7;
  margin: 0;
  padding: 2rem;
  color: #1d1d1f;
}

h1 {
  text-align: center;
  margin-bottom: 2rem;
}

table {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  border-collapse: collapse;
  background: white;
  box-shadow: 0 0 20px rgba(0,0,0,0.05);
  border-radius: 10px;
  overflow: hidden;
}

th, td {
  padding: 1rem;
  text-align: center;
  border-bottom: 1px solid #eaeaea;
}

th {
  background-color: #f0f0f5;
  color: #333;
}

select, input[type="text"] {
  padding: 0.4rem;
  font-size: 1rem;
  width: 100%;
  border-radius: 5px;
  border: 1px solid #ccc;
}

button {
  margin-top: 2rem;
  display: block;
  margin-left: auto;
  margin-right: auto;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  border: none;
  background: #007aff;
  color: white;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background: #005bb5;
}

.note {
  text-align: center;
  margin-top: 3rem;
  color: #666;
  font-size: 0.9rem;
  font-style: italic;
}