:root { color-scheme: light dark; font-family: system-ui, sans-serif; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: #111827; color: #e5e7eb; }
main { width: min(620px, calc(100% - 48px)); padding: 42px; border: 1px solid #374151; border-radius: 18px; background: #1f2937; }
h1 { margin: 16px 0 8px; font-size: 2.3rem; }
p { color: #cbd5e1; line-height: 1.6; }
.status { color: #4ade80; }
nav { display: flex; gap: 20px; margin-top: 28px; }
a { color: #93c5fd; }