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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: #ffffff;
  color: #1a1a1a;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
}

.content {
  text-align: center;
  max-width: 42rem;
}

.error-code {
  font-size: 6rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: #1a1a1a;
}

.error-message {
  margin-top: 1.5rem;
  font-size: 1.875rem;
  font-weight: 600;
  color: #1a1a1a;
}

.error-description {
  margin-top: 1rem;
  font-size: 1.125rem;
  color: #6b7280;
  line-height: 1.625;
}

.footer {
  border-top: 1px solid #e5e7eb;
  padding: 2rem 1rem;
}

.footer-container {
  max-width: 56rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-left,
.footer-right {
  font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.875rem;
  color: #6b7280;
  line-height: 1.5;
  text-align: center;
}

.footer-left p,
.footer-right p {
  margin-bottom: 0.25rem;
}

@media (min-width: 768px) {
  .error-code {
    font-size: 8rem;
  }

  .error-message {
    margin-top: 2rem;
    font-size: 2.25rem;
  }

  .error-description {
    margin-top: 1.5rem;
    font-size: 1.25rem;
  }

  .main {
    padding: 5rem 1rem;
  }

  .footer-container {
    flex-direction: row;
    justify-content: space-between;
  }

  .footer-left {
    text-align: left;
  }

  .footer-right {
    text-align: right;
  }
}