*{box-sizing:border-box;margin:0;padding:0}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;background-color:#f8f9fa;color:#333;padding:20px}.container{max-width:800px;margin:0 auto;background-color:#fff;padding:30px;border-radius:10px;box-shadow:0 0 10px rgba(0,0,0,.1)}h1{text-align:center;margin-bottom:20px;color:#2c3e50}h4{color:#2c3e50;margin:15px 0 10px}.text-input-container{position:relative;margin-bottom:20px}textarea{width:100%;height:200px;padding:15px;border:1px solid #ddd;border-radius:5px;resize:vertical;font-size:16px}.character-count{position:absolute;bottom:10px;right:15px;font-size:12px;color:#6c757d;background-color:rgba(255,255,255,.8);padding:3px 8px;border-radius:4px;box-shadow:0 1px 3px rgba(0,0,0,.1)}.character-count.long-text{color:#dc3545}.controls{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}.model-selection,.voice-selection{flex:1;min-width:200px;display:flex;flex-direction:column}.model-selection label,.voice-selection label{margin-bottom:5px;font-weight:bold;color:#2c3e50}select,button{padding:10px 15px;border:none;border-radius:5px;font-size:16px}select{background-color:#fff;border:1px solid #ddd;width:100%}button{background-color:#3498db;color:#fff;cursor:pointer;transition:background-color .3s}button:hover{background-color:#2980b9}button:disabled{background-color:#95a5a6;cursor:not-allowed}.convert-button{display:block;width:100%;padding:15px;margin:20px 0;background-color:#3498db;color:#fff;font-size:18px;font-weight:bold;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s}.convert-button:hover{background-color:#2980b9}.audio-player{width:100%}audio{width:100%}.api-management{background-color:#f5f5f5;padding:15px;margin-bottom:20px;border-radius:5px;border:1px solid #ddd}.api-management h3{margin-bottom:15px;color:#2c3e50}.api-input-group{display:flex;gap:10px;margin-bottom:15px}.api-input-group input{flex:1;padding:10px;border:1px solid #ddd;border-radius:5px;font-size:16px}.api-key-selector{margin-bottom:15px}.api-key-selector label{display:block;margin-bottom:5px;font-weight:bold;color:#2c3e50}.select-wrapper{display:flex;align-items:center;gap:10px}#apiKeySelect{flex:1;padding:12px 15px;font-size:15px;border:1px solid #ddd;border-radius:5px;background-color:#fff;appearance:none;background-image:url(data:image/svg+xml;charset=UTF-8,%3csvg\ xmlns=\'http://www.w3.org/2000/svg\'\ viewBox=\'0\ 0\ 24\ 24\'\ fill=\'none\'\ stroke=\'%23333\'\ stroke-width=\'2\'\ stroke-linecap=\'round\'\ stroke-linejoin=\'round\'%3e%3cpolyline\ points=\'6\ 9\ 12\ 15\ 18\ 9\'%3e%3c/polyline%3e%3c/svg%3e);background-repeat:no-repeat;background-position:right 10px center;background-size:16px;cursor:pointer}#apiKeySelect option{padding:10px;font-size:15px}#deleteCurrentKeyBtn{background-color:#e74c3c;color:#fff;border:none;padding:10px 12px;border-radius:5px;font-size:16px;cursor:pointer;transition:background-color .3s}#deleteCurrentKeyBtn:hover{background-color:#c0392b}#deleteCurrentKeyBtn:disabled{background-color:#95a5a6;cursor:not-allowed}.token-info{margin-top:10px;background-color:#fff;padding:10px;border:1px solid #ddd;border-radius:5px}.token-info p{margin-bottom:5px;display:flex;align-items:center;justify-content:space-between}.refresh-btn{background:none;border:none;cursor:pointer;font-size:18px;padding:0 5px;color:#3498db}.refresh-btn:hover{color:#2980b9}.token-details{margin-top:8px}.token-progress{height:10px;background-color:#e9ecef;border-radius:5px;margin-bottom:8px;overflow:hidden}.progress-bar{height:100%;background-color:#4caf50;border-radius:5px;transition:width .3s ease}.progress-bar.warning{background-color:#ffc107}.progress-bar.danger{background-color:#dc3545}.token-text{font-size:14px;color:#333}.percent-text{font-size:12px;color:#6c757d;margin-top:3px}.voice-parameters{background-color:#f8f9fa;padding:15px;border-radius:5px;border:1px solid #ddd;margin-bottom:20px}.parameters-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.parameters-header h4{margin:0}.reset-button{background-color:#6c757d;color:#fff;padding:5px 10px;font-size:14px;border-radius:4px;border:none;cursor:pointer;display:flex;align-items:center;gap:5px;transition:background-color .3s}.reset-button:hover{background-color:#5a6268}.reset-icon{font-size:16px;font-weight:bold}.parameter-control{margin-bottom:15px}.parameter-control label{display:block;margin-bottom:5px;font-weight:bold;color:#2c3e50}.slider-container{display:flex;align-items:center;gap:15px}.slider{-webkit-appearance:none;appearance:none;width:100%;height:8px;background:#ddd;outline:none;border-radius:4px}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;background:#3498db;cursor:pointer;border-radius:50%}.slider::-moz-range-thumb{width:18px;height:18px;background:#3498db;cursor:pointer;border-radius:50%}.quality-selection{background-color:#f8f9fa;padding:15px;border-radius:5px;border:1px solid #ddd;margin-bottom:20px}.quality-options{display:flex;gap:20px;margin:10px 0}.quality-options label{display:flex;align-items:center;gap:5px;cursor:pointer}.quality-note{font-size:12px;color:#6c757d;margin-top:5px}@keyframes slider-reset {
    0% { background-color: #ddd; }
    50% { background-color: #3498db; }
    100% { background-color: #ddd; }
}.reset-animation{animation:slider-reset .3s ease}.status-message{padding:10px;margin-top:15px;border-radius:5px;text-align:center;font-weight:bold;transition:opacity .3s}.status-message.success{background-color:#d4edda;color:#155724}.status-message.error{background-color:#f8d7da;color:#721c24}.status-message.warning{background-color:#fff3cd;color:#856404}.status-message.info{background-color:#d1ecf1;color:#0c5460}.loading-token,.no-token-info,.error-token{font-size:14px;padding:5px;text-align:center;border-radius:3px}.loading-token{background-color:#f8f9fa;color:#6c757d}.error-token{background-color:#f8d7da;color:#721c24}.no-token-info{background-color:#e2e3e5;color:#383d41}.tooltip{position:relative;cursor:help;font-size:14px}.tooltip:hover::after{content:attr(title);position:absolute;left:24px;top:-2px;background-color:rgba(0,0,0,.8);color:#fff;padding:5px 10px;border-radius:5px;font-size:12px;white-space:nowrap;z-index:10;width:max-content;max-width:250px}#expressionSlider::-webkit-slider-thumb{background:#9c27b0}#expressionSlider::-moz-range-thumb{background:#9c27b0}.expression-feature{position:relative;padding:12px;border-radius:5px;background-color:rgba(156,39,176,.05);border:1px dashed rgba(156,39,176,.3);margin-top:15px}.new-feature-badge{position:absolute;right:10px;top:10px;background-color:#9c27b0;color:#fff;font-size:10px;padding:2px 5px;border-radius:3px;font-weight:bold}.feature-explainer{background-color:#f5f5f5;padding:15px;margin-bottom:20px;border-radius:5px;border:1px solid #ddd}.expression-guide{margin-top:10px}.expression-level{display:flex;align-items:center;margin-bottom:8px}.level-indicator{width:20px;height:20px;border-radius:50%;margin-right:10px;flex-shrink:0}.level-desc{font-size:14px;line-height:1.4}.very-high{background-color:#9c27b0}.high{background-color:#ba68c8}.medium{background-color:#4caf50}.low{background-color:#5d4037}.very-low{background-color:#3e2723}.auth-container{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:1000}.auth-box{background:#fff;border-radius:10px;padding:30px;width:400px;max-width:90%;box-shadow:0 5px 15px rgba(0,0,0,.2)}.auth-box h2{text-align:center;margin-bottom:20px;color:#2c3e50}.auth-toggle{display:flex;margin-bottom:20px;border-bottom:1px solid #eee}.auth-toggle span{flex:1;text-align:center;padding:10px;cursor:pointer;border-bottom:2px solid transparent;transition:all .3s ease}.auth-toggle span.active{border-bottom-color:#3498db;font-weight:bold}.auth-form{margin-top:20px}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-weight:bold;color:#2c3e50}.form-group input{width:100%;padding:10px;border:1px solid #ddd;border-radius:5px;font-size:16px}.auth-button{width:100%;padding:12px;background-color:#3498db;color:#fff;border:none;border-radius:5px;font-size:16px;font-weight:bold;cursor:pointer;transition:background-color .3s}.auth-button:hover{background-color:#2980b9}.form-footer{margin-top:15px;text-align:center}.form-footer a{color:#3498db;text-decoration:none}.form-footer a:hover{text-decoration:underline}.user-info{display:flex;align-items:center;padding:10px;background-color:#f8f9fa;border-radius:5px;margin-bottom:20px}.user-avatar{margin-right:10px}.user-avatar img{width:40px;height:40px;border-radius:50%;object-fit:cover}.user-details{flex:1}.user-details span{display:block;font-weight:bold;color:#2c3e50}.user-details small{display:block;color:#7f8c8d;font-size:12px}.logout-button{background-color:transparent;color:#e74c3c;border:1px solid #e74c3c;padding:5px 10px;display:flex;align-items:center;gap:5px;border-radius:5px;cursor:pointer;transition:all .3s ease}.logout-button:hover{background-color:#e74c3c;color:#fff}.loader{border:4px solid #f3f3f3;border-top:4px solid #3498db;border-radius:50%;width:20px;height:20px;animation:spin 1s linear infinite;margin:0 auto}@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}.error-message{color:#e74c3c;font-size:14px;margin-top:5px;text-align:center}@media (max-width:768px){.controls{flex-direction:column}.api-input-group{flex-direction:column}.select-wrapper{flex-direction:column}.select-wrapper button{align-self:flex-end}.character-count{bottom:5px;right:5px}}