:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#f5f7fa;margin:0;padding:0}.app-container{display:flex;min-height:100vh;padding:2rem;gap:2rem}.form-container{background:#fff;padding:2rem;border-radius:10px;box-shadow:0 4px 6px #0000001a;width:400px}.form-title{color:#2c3e50;margin-bottom:1.5rem;text-align:center}.user-form{display:flex;flex-direction:column;gap:1.2rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:500;color:#34495e}.form-group input{padding:.8rem;border:1px solid #ddd;border-radius:5px;font-size:1rem;transition:border .3s}.form-group input:focus{outline:none;border-color:#3498db}button{background-color:#3498db;color:#fff;border:none;padding:.8rem;border-radius:5px;font-size:1rem;cursor:pointer;transition:background-color .3s}button:hover{background-color:#2980b9}button:disabled{background-color:#95a5a6;cursor:not-allowed}.response-message{padding:.8rem;border-radius:5px;margin-top:1rem;text-align:center}.response-message.success{background-color:#d4edda;color:#155724}.response-message.error{background-color:#f8d7da;color:#721c24}.users-container{flex:1;background:#fff;padding:2rem;border-radius:10px;box-shadow:0 4px 6px #0000001a}.users-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;margin-top:1.5rem}.user-card{background:#f8f9fa;padding:1.2rem;border-radius:8px;border-left:4px solid #3498db}.user-card h4{margin:0 0 .5rem;color:#2c3e50}.user-card p{margin:.3rem 0;color:#7f8c8d}.user-card small{color:#bdc3c7;font-size:.8rem}.no-users{text-align:center;color:#7f8c8d;margin-top:2rem}@media (max-width: 768px){.app-container{flex-direction:column}.form-container{width:auto}}