.App{min-height:100vh;background-color:#f5f5f5}.container{max-width:1200px;margin:0 auto;padding:20px}.card{background:white;border-radius:8px;padding:20px;box-shadow:0 2px 4px #0000001a;margin-bottom:20px}.btn{padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-size:16px;transition:background-color .3s}.btn-primary{background-color:#007bff;color:#fff}.btn-primary:hover{background-color:#0056b3}.btn-danger{background-color:#dc3545;color:#fff}.btn-danger:hover{background-color:#c82333}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-weight:700}.form-group input{width:100%;padding:10px;border:1px solid #ddd;border-radius:4px;font-size:16px}.error{color:#dc3545;margin-top:10px}.success{color:#28a745;margin-top:10px}.loading{text-align:center;padding:40px;color:#666}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}*{box-sizing:border-box}#root{min-height:100vh}