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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #111827;
  color: #e2e8f0;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.header {
  margin-bottom: 2rem;
}

.header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: #ef4444;
}

.subtitle {
  color: #94a3b8;
}

.loading {
  text-align: center;
  padding: 4rem;
  font-size: 1.25rem;
  color: #94a3b8;
}

.error {
  background: #7f1d1d;
  color: #fca5a5;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card {
  background: #1f2937;
  border-radius: 8px;
  padding: 1.5rem;
  border-left: 4px solid #ef4444;
}

.card h2 {
  color: #e2e8f0;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.data-preview {
  background: #111827;
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  font-size: 0.875rem;
  color: #94a3b8;
  max-height: 600px;
  overflow-y: auto;
}

.btn {
  background: #ef4444;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
}

.btn:hover {
  opacity: 0.9;
}
