src/app.css

:root {
  --gr-df-accent: #7c3aed;
  --gr-df-accent-soft: #ede9fe;
  --gr-df-table-bg-odd: #ffffff;
  --gr-df-table-bg-even: #f9fafb;
  --gr-df-table-border: #e5e7eb;
  --gr-df-table-text: #1f2937;
  --gr-df-table-radius: 0.5rem;
  --gr-df-font-size: 0.875rem;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans',
    'Helvetica Neue', sans-serif;
  margin: 0;
  padding: 1rem;
  background-color: #f3f4f6;
  color: #1f2937;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  color: #1f2937;
  margin: 0;
}

.description {
  color: #4b5563;
  max-width: 800px;
  line-height: 1.5;
}

.controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

button {
  background-color: #7c3aed;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.2s;
}

button:hover {
  background-color: #6d28d9;
}

.event-log {
  background-color: #ffffff;
  border-radius: 0.5rem;
  padding: 1rem;
  margin-top: 1.5rem;
  border: 1px solid #e5e7eb;
}

.event-log h3 {
  margin-top: 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.event-log p {
  margin: 0.5rem 0;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.875rem;
  color: #4b5563;
}

@media (max-width: 768px) {
  .container {
    padding: 0.5rem;
  }
  
  h1 {
    font-size: 1.5rem;
  }
  
  .controls {
    flex-direction: column;
  }
  
  button {
    width: 100%;
  }
}