:root { color-scheme: light dark; --bg: #f8fafc; --fg: #0f172a; --muted: #64748b; --accent: #0f766e; }
@media (prefers-color-scheme: dark) { :root { --bg: #0f172a; --fg: #e2e8f0; --muted: #94a3b8; --accent: #2dd4bf; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 -apple-system, system-ui, sans-serif; }
main { max-width: 32rem; margin: 0 auto; padding: max(16px, env(safe-area-inset-top)) 16px 32px; }
.sub { color: var(--muted); margin-top: 0; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; }
dt { color: var(--muted); }
dd { margin: 0; }
button { display: block; width: 100%; margin: 12px 0; padding: 12px; border: 0; border-radius: 10px; background: var(--accent); color: var(--bg); font: inherit; font-weight: 600; }
button:disabled { opacity: 0.4; }
pre { white-space: pre-wrap; word-break: break-word; color: var(--muted); font-size: 13px; }