body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0;padding:20px;transition:background-color .3s,color .3s}body.dark-theme{background-color:#1a1a1a;color:#fff}.container{max-width:800px;margin:0 auto}.token-input{width:100%;padding:10px;margin-bottom:20px;border:1px solid #ccc;border-radius:4px}.token-section{background-color:#f5f5f5;padding:15px;border-radius:4px;margin-bottom:15px}.dark-theme .token-section{background-color:#2d2d2d}.token-section h3{margin-top:0;margin-bottom:10px}.copy-button{background-color:#4caf50;color:#fff;border:none;padding:5px 10px;border-radius:4px;cursor:pointer;margin-left:10px}.copy-button:hover{background-color:#45a049}.error{color:red;margin-bottom:10px}.theme-toggle{position:fixed;top:20px;right:20px;padding:10px;border-radius:4px;cursor:pointer;border:none;background-color:#333;color:#fff}.dark-theme .theme-toggle{background-color:#fff;color:#333}pre{white-space:pre-wrap;word-wrap:break-word;margin:0}