* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  position: relative;
}

.app-header {
  text-align: center;
  color: white;
  margin-bottom: 30px;
  animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.app-header h1 {
  font-size: 48px;
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
  font-size: 20px;
  opacity: 0.95;
  margin-bottom: 10px;
}

.stats {
  font-size: 16px;
  margin-top: 10px;
  opacity: 0.9;
  background: rgba(255, 255, 255, 0.2);
  padding: 8px 16px;
  border-radius: 20px;
  display: inline-block;
  backdrop-filter: blur(10px);
}

.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  max-width: 1200px;
  gap: 40px;
  margin: 20px 0;
}

.app-footer {
  text-align: center;
  color: white;
  margin-top: 30px;
  opacity: 0.9;
  font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .app-header h1 {
    font-size: 36px;
  }

  .subtitle {
    font-size: 18px;
  }

  .app {
    padding: 15px;
  }
}

@media (max-width: 480px) {
  .app-header h1 {
    font-size: 28px;
  }

  .subtitle {
    font-size: 16px;
  }

  .stats {
    font-size: 14px;
    padding: 6px 12px;
  }

  .app-footer {
    font-size: 12px;
  }
}