.utf8-decoder-container{max-width:800px;margin:0 auto;padding:2rem 1rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif}@media(max-width:768px){.utf8-decoder-container{padding:1rem}}.utf8-decoder-container h1{text-align:center;color:#333;margin-bottom:2rem}@media(max-width:768px){.utf8-decoder-container h1{font-size:1.5rem;margin-bottom:1rem}}.utf8-decoder-container .input-section{margin-bottom:1.5rem}.utf8-decoder-container .input-section label{display:block;margin-bottom:.5rem;font-weight:500}.utf8-decoder-container .input-section textarea{width:100%;padding:.75rem;border:1px solid #ccc;border-radius:4px;font-family:monospace;font-size:1rem;resize:vertical}.utf8-decoder-container .input-section textarea:focus{outline:none;border-color:#4a90e2;box-shadow:0 0 0 2px rgba(74,144,226,.2)}.utf8-decoder-container .button-group{display:flex;gap:1rem;margin-bottom:1.5rem}@media(max-width:480px){.utf8-decoder-container .button-group{flex-direction:column}}.utf8-decoder-container .button-group button{padding:.75rem 1.5rem;border:none;border-radius:4px;font-weight:500;cursor:pointer;transition:background-color .2s,transform .1s}.utf8-decoder-container .button-group button:hover{transform:translateY(-1px)}.utf8-decoder-container .button-group button:active{transform:translateY(1px)}.utf8-decoder-container .button-group button:disabled{opacity:.6;cursor:not-allowed}.utf8-decoder-container .button-group .decode-button{background-color:#4a90e2;color:#fff;flex:1}.utf8-decoder-container .button-group .decode-button:hover:not(:disabled){background-color:#3a80d2}.utf8-decoder-container .button-group .clear-button{background-color:#f0f0f0;color:#333}.utf8-decoder-container .button-group .clear-button:hover{background-color:#e0e0e0}.utf8-decoder-container .error-message{background-color:#fff5f5;border:1px solid #fed7d7;border-radius:4px;padding:1rem;margin-bottom:1.5rem}.utf8-decoder-container .error-message p{color:#e53e3e;margin:0}.utf8-decoder-container .result-section{margin-bottom:2rem}.utf8-decoder-container .result-section h2{font-size:1.25rem;margin-bottom:.75rem}.utf8-decoder-container .result-section .result-box{border:1px solid #e2e8f0;font-family:monospace;white-space:pre-wrap;word-break:break-word;min-height:3rem}.utf8-decoder-container .info-section,.utf8-decoder-container .result-section .result-box{background-color:#f8f9fa;border-radius:4px;padding:1rem}.utf8-decoder-container .info-section h3{font-size:1.1rem;margin-top:0;margin-bottom:.75rem}.utf8-decoder-container .info-section ol{margin-top:0;padding-left:1.5rem}.utf8-decoder-container .info-section li{margin-bottom:.5rem}.utf8-decoder-container .info-section code{background-color:#edf2f7;padding:.2rem .4rem;border-radius:3px;font-family:monospace}