*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f5f5f5}.container{max-width:1000px;margin:0 auto;padding:20px}h1{text-align:center;color:#333;margin-bottom:30px;font-size:2.2rem}h3{margin-top:0;font-size:1.2rem}.main{display:flex;gap:20px}.controls{flex:0 0 300px}.logs{flex:1}.section{background:#fff;padding:20px;border-radius:8px;box-shadow:0 2px 4px #0000001a}.settings{margin-top:15px}.settings>div{margin-bottom:15px}label{display:block;margin-bottom:5px;font-weight:500;color:#333;font-size:1rem}input,select{width:100%;padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px}input:focus,select:focus{outline:none;border-color:#007bff}.buttons{display:flex;flex-direction:column;gap:8px;margin-top:20px}button{padding:10px 16px;border:none;border-radius:4px;background:#007bff;color:#fff;cursor:pointer;font-size:1rem;transition:background .2s}button:hover:not(:disabled){background:#0056b3}button:disabled{background:#ccc;cursor:not-allowed}.log-content{background:#2d3748;color:#e2e8f0;padding:15px;border-radius:4px;height:400px;overflow-y:auto;font-family:Courier New,monospace;font-size:13px;line-height:1.4;margin-bottom:10px}.empty{color:#888;font-style:italic;text-align:center;padding:20px}@media (max-width: 768px){.main{flex-direction:column}.controls{flex:none}}