.user-list-container{max-width:500px;margin:40px auto;padding:20px;border:1px solid #e0e0e0;border-radius:12px;background-color:#fff;box-shadow:0 4px 6px #0000001a;text-align:center}.load-button{background-color:#6200ee;color:#fff;border:none;padding:10px 20px;border-radius:8px;font-size:16px;cursor:pointer;transition:background .3s}.load-button:disabled{background-color:#ccc;cursor:not-allowed}.content-area{margin-top:20px}.user-card{background:#f9f9f9;border-bottom:1px solid #eee;padding:12px;text-align:left}.user-name{font-weight:700;font-size:1.1em}.user-email{color:#666;font-size:.9em}.error-msg{color:red;background:#ffe6e6;padding:10px;border-radius:4px}