.hello-page{max-width:640px;margin:48px auto;padding:32px;background:#fff;border-radius:12px;box-shadow:0 4px 16px #00000014}.hello-page__subtitle{color:#555;font-family:monospace;margin-top:-8px}.hello-page button{padding:10px 18px;font-size:14px;border:none;border-radius:6px;background-color:#111;color:#fff;cursor:pointer}.hello-page button:disabled{opacity:.6;cursor:not-allowed}.hello-page__result{margin-top:24px;padding:16px;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px}.hello-page__error{margin-top:24px;padding:16px;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#991b1b}.hello-page__message{font-size:18px}.hello-page pre{background:#0f172a;color:#e2e8f0;padding:12px;border-radius:6px;overflow-x:auto;font-size:13px}:root{color-scheme:light dark;font-family:Segoe UI,system-ui,-apple-system,sans-serif}body{margin:0;background-color:#f5f6f8;color:#111}