:root{--bg: #0f1115;--fg: #e8e6e1;--muted: #8a8f99;--accent: #7bd389;--card: #171a21;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--fg);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}.shell{max-width:720px;margin:0 auto;padding:48px 16px}header{display:flex;align-items:baseline;gap:12px;margin-bottom:32px}.brand{font-weight:700;letter-spacing:.02em}.tag{color:var(--muted);font-size:.9rem}.card{background:var(--card);border:1px solid #262a33;border-radius:12px;padding:32px}h1{margin:0 0 8px;font-size:2.2rem;color:var(--accent)}.muted{color:var(--muted);margin:0}code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}