:root {
  --brand: #0d6efd;
  --bg: #f5f8ff;
}

body {
  background: var(--bg);
  margin: 0;
  font-family: sans-serif;
}

.navbar {
  background: #fff !important;
  border-bottom: 1px solid #e9eef7;
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.card {
  border: 1px solid #e9eef7;
  box-shadow: 0 6px 18px rgba(13, 110, 253, 0.05);
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem;
  background: #fff;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .card {
    margin: 0.5rem;
    padding: 0.75rem;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 0.5rem;
  }

  .card {
    font-size: 0.9rem;
  }
}