.app{max-width:1400px;margin:0 auto;padding:20px}.app h1{color:#667eea;margin-bottom:20px}.app button{background-color:#667eea;color:#fff;border:none;padding:10px 20px;border-radius:5px;cursor:pointer;font-size:16px}.app button:hover:not(:disabled){background-color:#5568d3}.app button:disabled{opacity:.6;cursor:not-allowed}.error-message{background-color:#f44;color:#fff;padding:15px;border-radius:8px;margin:20px 0;text-align:center}.loading{text-align:center;padding:60px 20px;font-size:1.2em;color:#888}table{box-shadow:0 2px 8px #0000001a}table tbody tr:hover{background-color:#f5f5f5}*{margin:0;padding:0;box-sizing:border-box}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,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}body{margin:0;min-height:100vh}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}button{background-color:#f9f9f9}}