body{color:#111;background:#f5f5f7;margin:0;font-family:Inter,sans-serif}.container{max-width:1100px;margin:auto;padding:20px}.card{background:#fff;border-radius:12px;padding:16px;box-shadow:0 2px 10px #0000000d}button{color:#fff;cursor:pointer;background:#4f5bd5;border:none;border-radius:8px;padding:10px 16px}