:root{--bg:#08090b;--card:#0f1417;--border:#1d2427;--fg:#f1f5f5;--muted:#8b969a;--accent:#38bdf8;--accent-deep:#0048fc}*{box-sizing:border-box}html,body{height:100%}body{background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;margin:0;font:400 16px/1.6 ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.shell{place-items:center;min-height:100%;padding:2rem;display:grid}.card{background:linear-gradient(180deg, var(--card), #0b0f11);border:1px solid var(--border);border-radius:16px;width:100%;max-width:30rem;padding:2.5rem;box-shadow:0 24px 60px #00000080}.mark{background:linear-gradient(135deg, var(--accent-deep), var(--accent));border-radius:9px;width:34px;height:34px;margin-bottom:1.5rem;box-shadow:0 0 24px #38bdf840}h1{letter-spacing:-.02em;margin:0 0 .5rem;font-size:1.6rem}.lede{color:var(--fg);margin:0 0 .75rem}.meta{color:var(--muted);margin:0;font-size:.9375rem}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.rule{background:var(--border);height:1px;margin:1.75rem 0 1rem}.stamp{color:var(--muted);letter-spacing:.04em;margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.75rem}