.tts-container{max-width:800px;margin:0 auto;background:var(--card-bg);padding:2.5rem;border-radius:16px;border:1px solid var(--card-border);}.text-wrapper{position:relative;margin-bottom:2rem;}.text-input-area,.text-highlight-overlay{width:100%;min-height:200px;padding:1.5rem;border-radius:8px;font-size:1.2rem;line-height:1.7;font-family:var(--font-family);white-space:pre-wrap;word-wrap:break-word;}.text-input-area{background:rgba(255,255,255,0.05);border:1px solid var(--card-border);color:var(--text-color);resize:vertical;position:relative;z-index:2;}.text-input-area:focus{outline:none;border-color:var(--primary-color);}.text-highlight-overlay{position:absolute;top:0;left:0;pointer-events:none;z-index:1;color:transparent;}.text-highlight-overlay .highlight{background-color:rgba(255,77,141,0.3);border-radius:4px;}.controls-panel{padding:2rem;background:rgba(255,255,255,0.05);border-radius:10px;margin-bottom:2rem;}.form-group{margin-bottom:1.5rem;}.form-group:last-child{margin-bottom:0;}.form-group label{display:block;font-weight:500;margin-bottom:0.75rem;}.custom-select{width:100%;padding:1rem;background:rgba(255,255,255,0.02);border:1px solid var(--card-border);border-radius:8px;color:var(--text-color);font-size:1rem;}.sliders-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;}.slider{-webkit-appearance:none;appearance:none;width:100%;height:8px;background:rgba(255,255,255,0.1);outline:none;border-radius:10px;cursor:pointer;}.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;background:var(--primary-color);border-radius:50%;border:3px solid var(--bg-color);box-shadow:0 0 5px rgba(0,0,0,0.2);}.playback-controls{display:flex;justify-content:center;gap:1rem;}.playback-controls .btn{display:flex;align-items:center;gap:0.5rem;font-size:1.1rem;}