body {
  font-family: sans-serif;
  background: var(--bg-light);
  margin: 0;
  padding: 0;
  color: var(--text-dark);
}

header {
  background: var(--main-blue);
  color: var(--text-light);
  padding: 16px;
  font-size: 20px;
  text-align: center;
}

.section {
  padding: 16px;
}

.card {
  background: var(--text-light);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}