.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: #f5f7fa;
}

.app-header {
  background: linear-gradient(135deg, #0052d9 0%, #0034a6 100%);
  color: white;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.app-header p {
  font-size: 1rem;
  opacity: 0.9;
}

.main-content {
  flex: 1;
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}
