.App{text-align:center;max-width:1200px;margin:0 auto;padding:20px}.App-header{background-color:#282c34;padding:20px;color:#fff;margin-bottom:30px;border-radius:8px}.App-header h1{margin:0 0 20px}.App-header nav{display:flex;gap:10px;justify-content:center}.App-header nav button{padding:10px 20px;border:none;background-color:#4a90e2;color:#fff;border-radius:4px;cursor:pointer;transition:background-color .3s}.App-header nav button:hover{background-color:#357abd}.App-header nav button.active{background-color:#2e7d32}main{text-align:left}.user-form{background-color:#f5f5f5;padding:20px;border-radius:8px;margin-bottom:30px}.user-form h3{margin-top:0}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-weight:700}.form-group input{width:100%;padding:8px;border:1px solid #ddd;border-radius:4px;font-size:14px}.form-group input:focus{outline:none;border-color:#4a90e2;box-shadow:0 0 0 2px #4a90e233}button[type=submit]{background-color:#4a90e2;color:#fff;padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-size:16px}button[type=submit]:hover{background-color:#357abd}.user-list{background-color:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.user-list table{width:100%;border-collapse:collapse;margin-top:15px}.user-list th,.user-list td{padding:12px;text-align:left;border-bottom:1px solid #ddd}.user-list th{background-color:#f8f9fa;font-weight:700}.user-list tr:hover{background-color:#f5f5f5}.product-list{background-color:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-top:20px}.product-card{background-color:#f8f9fa;padding:20px;border-radius:8px;border:1px solid #e9ecef}.product-card h4{margin:0 0 10px;color:#333}.product-card .description{color:#666;margin-bottom:10px}.product-card .price{font-size:18px;font-weight:700;color:#2e7d32;margin-bottom:5px}.product-card .category,.product-card .stock,.product-card .status{margin:5px 0;font-size:14px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}