:root{color-scheme:light;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:#f5f7fb;color:#111827}a{color:inherit;text-decoration:none}.container{max-width:960px;margin:0 auto;padding:24px 16px 48px}.card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 12px rgba(15,23,42,.08)}.stack{display:grid;grid-gap:12px;gap:12px}.button{border:0;border-radius:10px;background:#0f766e;color:#fff;font-weight:600;padding:10px 14px;cursor:pointer}.button.secondary{background:#334155}.button.link{display:inline-block}.input{width:100%;padding:10px;border-radius:10px;border:1px solid #cbd5e1}.muted{color:#475569;font-size:14px}