body{margin:0;font-family:system-ui,Segoe UI,Roboto,Ubuntu,Helvetica,Arial}.container{max-width:1100px;margin:0 auto;padding:0 16px}.card{border:1px solid #e5e7eb;border-radius:16px;background:#fff;padding:1rem;margin:.5rem 0}.btn{display:inline-flex;align-items:center;padding:.5rem .8rem;border:1px solid #e5e7eb;border-radius:10px;background:#fff}.btn-primary{background:#2563eb;color:#fff;border-color:transparent}