body {
  font-family: sans-serif;
  background: #fffaf3;
  color: #333;
  margin: 0;
  padding: 1rem;
  max-width: 600px;
  margin: auto;
}

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

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

select, input, button {
  font-size: 1rem;
  padding: 0.5rem;
  margin: 0.5rem 0;
  width: 100%;
  box-sizing: border-box;
}

.section {
  background: white;
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.price-entry {
  border-bottom: 1px solid #eee;
  padding: 0.5rem 0;
}

.ad-banner {
  background: #eee;
  padding: 1rem;
  text-align: center;
  border-radius: 8px;
  margin-top: 2rem;
}

footer {
  text-align: center;
  font-size: 0.8rem;
  margin-top: 2rem;
  color: #666;
}