:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: #0000ff;
  color: #ffffff;
  font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

main {
  max-width: 960px;
  margin: 48px auto;
  padding: 0 16px 64px;
}

header {
  margin-bottom: 32px;
}

h1 {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 16px;
}

p.subtitle {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}

article {
  background-color: rgba(0, 0, 0, 0.35);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

article pre {
  margin: 0;
  white-space: pre-wrap;
  font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
}

.loading,
.error {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  font-weight: 600;
}

footer {
  margin-top: 32px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0.8;
  text-align: center;
}