*{box-sizing:border-box}*,body,html{margin:0;padding:0}body,html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background-color:#fafafa;color:#333;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,select,textarea{font-family:inherit}.container{max-width:800px;margin:0 auto;padding:20px}.header{text-align:center;margin-bottom:40px}.header h1{font-size:2.5rem;margin:0;color:#333}.header p{color:#666;margin:10px 0}.main{display:flex;flex-direction:column;gap:30px}.section{background:#f8f9fa;padding:20px;border-radius:12px;border:1px solid #e9ecef}.section h2{margin:0 0 20px;color:#495057;font-size:1.3rem}.btn{padding:12px 20px;border:none;border-radius:8px;font-size:16px;cursor:pointer;transition:all .2s;font-weight:500}.btn-start{background:#28a745;color:#fff}.btn-start:hover{background:#218838}.btn-stop{background:#dc3545;color:#fff}.btn-stop:hover{background:#c82333}.btn-disabled{background:#6c757d;color:#fff;cursor:not-allowed;opacity:.6}.btn-primary{background:#007bff;color:#fff}.btn-primary:hover{background:#0056b3}.btn-secondary{background:#6c757d;color:#fff}.btn-secondary:hover{background:#545b62}.device-selector{background:#fff;border:1px solid #e9ecef;border-radius:8px;padding:20px;margin-bottom:20px}.device-group{margin-bottom:15px}.device-group label{display:block;margin-bottom:5px;font-weight:500;color:#495057}.device-select{width:100%;padding:10px 12px;border:1px solid #ced4da;border-radius:6px;background:#fff;font-size:14px;color:#495057;cursor:pointer}.device-select:focus{border-color:#007bff;box-shadow:0 0 0 3px rgba(0,123,255,.25);outline:none}.controls{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.time{font-family:Courier New,monospace;font-size:18px;font-weight:700;color:#495057;min-width:60px}.recording-indicator{display:flex;align-items:center;gap:8px;color:#dc3545;font-weight:500}.pulse{animation:pulse 1s infinite}@keyframes pulse{0%{opacity:1}50%{opacity:.5}to{opacity:1}}.audio-element{width:100%;height:54px;border-radius:8px;outline:none}.audio-element:focus{box-shadow:0 0 0 3px rgba(0,123,255,.25)}.no-audio,.no-content{text-align:center;padding:40px 20px;color:#6c757d;background:#f8f9fa;border:2px dashed #dee2e6;border-radius:8px}.no-audio p:first-child{font-size:1.2rem;margin:0 0 10px}.no-audio p:last-child{margin:0;font-size:.9rem}.error{color:#dc3545;background:#f8d7da;padding:10px;border-radius:6px;border:1px solid #f5c6cb}.device-settings-info{background:#f8f9fa;border:1px solid #dee2e6;border-radius:8px;padding:20px;margin:20px 0}.device-settings-info h3{margin:0 0 20px;color:#495057}.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:20px;gap:20px;margin-bottom:20px}.setting-group{background:#fff;padding:15px;border-radius:6px;border:1px solid #e9ecef}.setting-group h4{margin:0 0 10px;color:#495057;font-size:.9rem}.setting-item{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid #f8f9fa;font-size:.85rem}.setting-item:last-child{border-bottom:none}.setting-item span:first-child{color:#6c757d}.setting-item span:last-child{font-weight:700;color:#495057}.feature-enabled{background:#d4edda;color:#155724}.feature-disabled,.feature-enabled{padding:4px 8px;border-radius:4px;font-size:.8rem}.feature-disabled{background:#f8d7da;color:#721c24}@media (max-width:768px){.container{padding:10px}.header h1{font-size:2rem}.controls{flex-direction:column;align-items:stretch}.btn{width:100%}.audio-element{height:48px}.settings-grid{grid-template-columns:1fr}}