body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial; margin:0; background:#f6f7f8; }
.wrap { max-width: 980px; margin: 0 auto; padding: 24px; }
.top { margin-bottom: 16px; }
.brand { font-weight: 700; font-size: 18px; }
.card { background:#fff; border-radius: 12px; padding: 16px; box-shadow: 0 2px 10px rgba(0,0,0,.06); }
button { padding: 10px 14px; border-radius: 10px; border: 0; cursor: pointer; }
.out { background:#0b1020; color:#c7d2fe; padding:12px; border-radius:12px; overflow:auto; }