body{margin:0;min-height:100vh;display:grid;place-items:center;background:var(--brand-background);color:var(--brand-text);font:1rem/1.5 system-ui}.card{box-sizing:border-box;width:min(28rem,calc(100% - 2rem));padding:2rem;border-radius:1rem;background:var(--brand-surface);box-shadow:0 1rem 3rem #0002}.app-identity{display:flex;align-items:center;gap:.65rem;font-weight:600;color:var(--brand-muted)}h1{font-size:1.8rem;line-height:1.2}button{width:100%;padding:.85rem;border:0;border-radius:.6rem;background:var(--brand-accent);color:var(--brand-surface);font:inherit;cursor:pointer}.quiet,.quiet-action{color:var(--brand-muted);font-size:.9rem}.quiet-action{background:transparent;text-decoration:underline;margin-top:.5rem}a{color:var(--brand-accent)}