.demo-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px;
  background: white;
  min-height: 400px;
}

.demo-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 40px;
  text-align: center;
  border-radius: 10px;
  margin-bottom: 30px;
}

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

.demo-card {
  background: white;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  padding: 25px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.demo-card:hover {
  transform: translateY(-5px);
}

.demo-sidebar {
  background: #f8f9fa;
  padding: 25px;
  border-radius: 8px;
  border: 1px solid #e9ecef;
}

.demo-content-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
}

.demo-main-content {
  background: white;
  padding: 25px;
  border-radius: 8px;
  border: 1px solid #e9ecef;
}

/* Tablet styles */
@media screen and (max-width: 991px) {
  .demo-container {
    padding: 20px;
  }
  
  .demo-header {
    padding: 30px 20px;
  }
  
  .demo-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  
  .demo-content-wrapper {
    gap: 20px;
  }
}

/* Mobile styles */
@media screen and (max-width: 767px) {
  .demo-container {
    padding: 15px;
  }
  
  .demo-header {
    padding: 25px 15px;
  }
  
  .demo-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .demo-content-wrapper {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .demo-card {
    padding: 20px;
  }
  
  .demo-sidebar {
    order: -1;
  }
}