body {
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
  background: linear-gradient(135deg, #0e0f13 0%, #1b1d22 100%);
  color: #e5e7eb;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.panel {
  width: 90%;
  max-width: 900px;
  padding: 1.5rem;
  background: rgba(30, 33, 40, 0.7);
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.6);
  backdrop-filter: blur(12px);
}

.error-container {
  text-align: center;
  padding: 2rem;
}

.error-container h1 {
  font-size: 5rem;
  color: #f56565;
  margin-bottom: 1rem;
}

.error-container p {
  font-size: 1.25rem;
  margin-bottom: 0;
}