@keyframes status-pulse{0%,to{box-shadow:0 0 0 0 transparent;transform:translateY(0)}50%{box-shadow:0 0 14px 6px rgba(0,86,179,.12);transform:translateY(-1px)}}@keyframes statusFlash{0%,to{transform:translateY(0);box-shadow:0 0 0 transparent}30%{transform:translateY(-1px);box-shadow:0 0 14px rgba(0,86,179,.45)}60%{transform:translateY(0);box-shadow:0 0 8px rgba(0,86,179,.3)}}:root{--primary-color:#0056b3;--primary-color-hover:#004494;--background-color:#f9f9f9;--text-color:#333;--secondary-text-color:#666;--box-background-color:white;--box-shadow-color:rgba(0, 0, 0, 0.1);--success-color:#4CAF50;--error-color:#F44336;--slider-track-color:#ddd;--slider-thumb-color:#0056b3;--slider-thumb-hover-color:#004494;--border-radius:8px;--transition-speed:0.3s;--app-background-color:#f2f4f8}[data-theme=dark]{--primary-color:#3d85c6;--primary-color-hover:#2d6da3;--background-color:#121212;--text-color:#e0e0e0;--secondary-text-color:#b0b0b0;--box-background-color:#1e1e1e;--box-shadow-color:rgba(255, 255, 255, 0.1);--success-color:#4CAF50;--error-color:#F44336;--slider-track-color:#444;--slider-thumb-color:#3d85c6;--slider-thumb-hover-color:#2d6da3;--app-background-color:#1e1e1e}*{box-sizing:border-box;margin:0;padding:0}body{font-family:"Segoe UI",Helvetica,Arial,sans-serif;text-align:center;margin:0 auto;padding:20px;max-width:800px;background-color:var(--background-color);color:var(--text-color);line-height:1.6;transition:background-color var(--transition-speed) ease,color var(--transition-speed) ease}header{margin-bottom:5px}h1,h2,h3{color:var(--primary-color);line-height:1.3;transition:color var(--transition-speed) ease}h1,h2{margin-top:15px;margin-bottom:15px}h3{font-size:1.4rem;margin-top:25px}h1{font-size:2.2rem}h2{font-size:1.8rem;border-bottom:1px solid rgba(125,125,125,.2);padding-bottom:10px}h3,p{margin-bottom:15px}hr{border:0;height:1px;background-image:linear-gradient(to right,transparent,rgba(0,0,0,.15),transparent);margin:25px 0}[data-theme=dark] hr{background-image:linear-gradient(to right,rgba(255,255,255,0),rgba(255,255,255,.15),rgba(255,255,255,0))}button{padding:12px 25px;font-size:16px;font-weight:600;margin:20px auto;cursor:pointer;background-color:var(--primary-color);color:#fff;border:0;border-radius:var(--border-radius);display:block;transition:background-color var(--transition-speed) ease,transform .2s ease;box-shadow:0 2px 5px rgba(0,0,0,.2)}button:hover{background-color:var(--primary-color-hover);transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.2)}button:active{transform:translateY(0);box-shadow:0 2px 3px rgba(0,0,0,.2)}.theme-switch-wrapper{display:flex;align-items:center;justify-content:flex-end;margin:0 auto 20px;padding:0 25px;width:100%;max-width:800px}.theme-switch-wrapper em{margin-right:10px;font-style:normal;font-size:.9rem}.theme-switch{display:inline-block;height:34px;position:relative;width:60px}.theme-switch input{display:none}.slider,.slider:before{position:absolute;transition:.4s}.slider{background-color:#ccc;bottom:0;cursor:pointer;left:0;right:0;top:0;box-shadow:inset 0 0 5px rgba(0,0,0,.2)}.slider:before{background-color:#fff;content:"";height:26px;left:4px;top:50%;transform:translateY(-50%);width:26px;box-shadow:0 2px 5px rgba(0,0,0,.2)}input:checked+.slider{background-color:var(--primary-color)}input:checked+.slider:before{left:calc(100% - 26px - 4px);transform:translateY(-50%)}.slider.round{border-radius:34px}.slider.round:before{border-radius:50%}.sliders{text-align:left;margin:30px auto;background-color:var(--box-background-color);padding:25px;border-radius:var(--border-radius);box-shadow:0 4px 12px var(--box-shadow-color);transition:background-color var(--transition-speed) ease,box-shadow var(--transition-speed) ease}label{display:flex;justify-content:space-between;margin:20px 0 10px;font-weight:600;align-items:center}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:8px;border-radius:5px;background:var(--slider-track-color);outline:0;margin:10px 0;transition:background var(--transition-speed) ease}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--slider-thumb-color);cursor:pointer;transition:background .2s,transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.3)}input[type=range]::-moz-range-thumb{width:20px;height:20px;border:0;border-radius:50%;background:var(--slider-thumb-color);cursor:pointer;transition:background .2s,transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.3)}input[type=range]:hover::-webkit-slider-thumb{background:var(--slider-thumb-hover-color);transform:scale(1.1)}input[type=range]:hover::-moz-range-thumb{background:var(--slider-thumb-hover-color);transform:scale(1.1)}input[type=range]::-moz-range-track{background:var(--slider-track-color);border-radius:5px}input[type=range]:focus{outline:0}#boostValue,#delayValue,#inputGainValue,#noiseReductionValue,#pitchValue{font-weight:700;min-width:60px;text-align:right;color:var(--primary-color)}#faq,#infoBox,#science,#testimonials,#try-it-now,#use-cases,.boxed-section{text-align:left;margin:30px auto;background-color:var(--box-background-color);padding:5px 25px;border-radius:var(--border-radius);box-shadow:0 4px 12px var(--box-shadow-color);transition:background-color var(--transition-speed) ease,box-shadow var(--transition-speed) ease}#statusMessage{padding:8px 16px;border-radius:var(--border-radius);display:inline-block;margin-top:10px;font-weight:500;transition:background-color .3s ease,color .3s ease}.status-success{background-color:var(--success-color);color:#fff}.status-error{background-color:var(--error-color);color:#fff}.status-default,.status-loading{background-color:#f0f0f0;color:#555;border:1px solid #ddd}[data-theme=dark] .status-default{background-color:#333;color:#ccc;border:1px solid #444}.status-loading{border:0;animation:status-pulse 1.4s ease-in-out infinite}[data-theme=dark] .status-loading{background-color:#333;color:#ccc}footer{margin-top:50px;padding:20px 0;font-size:.9em;color:var(--secondary-text-color);border-top:1px solid rgba(125,125,125,.1)}.device-status,.timer-display{background-color:rgba(0,0,0,.05);border-radius:var(--border-radius)}.timer-display{font-family:monospace;font-size:1.5em;font-weight:700;margin:15px auto;color:var(--primary-color);display:none;padding:10px;width:120px}[data-theme=dark] .timer-display{background-color:rgba(255,255,255,.05)}.device-status{margin-top:15px;padding:8px 10px;font-size:.9em;color:var(--secondary-text-color);display:flex;align-items:center;gap:8px;transition:all var(--transition-speed) ease;cursor:pointer;position:relative}.device-status:hover{background-color:rgba(0,0,0,.1)}.device-status::after{content:"↻";position:absolute;right:10px;opacity:.5;font-size:1.1em;transition:all .2s ease}.device-status:hover::after{opacity:1;transform:rotate(90deg)}[data-theme=dark] #faq h3:hover,[data-theme=dark] .device-status{background-color:rgba(255,255,255,.05)}[data-theme=dark] .device-status:hover{background-color:rgba(255,255,255,.1)}.device-status.headphone-mic{background-color:rgba(0,86,179,.15);color:var(--primary-color)}[data-theme=dark] .device-status.headphone-mic{background-color:rgba(61,133,198,.15)}#deviceIcon{font-size:1.2em}.device-status:hover::before{content:"Click to switch microphone";position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background-color:var(--text-color);color:var(--background-color);padding:5px 10px;border-radius:4px;font-size:.8em;white-space:nowrap;opacity:.9;pointer-events:none;margin-bottom:5px;z-index:100}input[type=range].disabled-slider{opacity:.5;cursor:not-allowed}input[type=range].disabled-slider::-webkit-slider-thumb{background:#888;cursor:not-allowed}input[type=range].disabled-slider::-moz-range-thumb{background:#888;cursor:not-allowed}label span:contains("Disabled"){font-style:italic;color:var(--secondary-text-color)}#testimonials blockquote{margin:20px 0;padding:15px 25px 15px 40px;border-left:4px solid var(--primary-color);background-color:var(--box-background-color);border-radius:0 var(--border-radius) var(--border-radius)0;font-style:italic;position:relative}#testimonials blockquote::before{content:'"';font-size:3em;position:absolute;left:10px;top:5px;opacity:.2;color:var(--primary-color)}#faq h3{cursor:pointer;background-color:rgba(0,0,0,.03);border-radius:var(--border-radius);margin-top:15px;transition:background-color var(--transition-speed) ease;position:relative;padding:10px 35px 10px 15px}[data-theme=dark] #faq h3{background-color:rgba(255,255,255,.03)}#faq h3:hover{background-color:rgba(0,0,0,.05)}#faq h3::after{content:"+";position:absolute;right:15px;top:50%;transform:translateY(-50%);font-size:20px;transition:transform var(--transition-speed) ease}#faq h3.active::after{content:"−";transform:translateY(-50%)}#faq h3.active{background-color:rgba(0,0,0,.07);border-bottom-left-radius:0;border-bottom-right-radius:0}[data-theme=dark] #faq h3.active{background-color:rgba(255,255,255,.07)}#faq [itemscope][itemprop=acceptedAnswer]{padding:0 15px 15px;background-color:rgba(0,0,0,.02);border-bottom-left-radius:var(--border-radius);border-bottom-right-radius:var(--border-radius);margin-top:0;border-top:none;transition:all var(--transition-speed) ease}[data-theme=dark] #faq [itemscope][itemprop=acceptedAnswer]{background-color:rgba(255,255,255,.02)}ol,ul{margin-left:25px}li{margin-bottom:8px}#quick-info{text-align:left}#use-cases li ul{padding:5px 0}strong{color:inherit;font-weight:700}a,a:hover{text-decoration:underline}#faq h3::after,a{color:var(--primary-color)}a{transition:color var(--transition-speed) ease}a:hover{color:var(--primary-color-hover)}#toc,ol,ul{margin-bottom:20px}#toc a{text-decoration:none;white-space:nowrap;margin:0 3px}#toc a:not(:last-child)::after{content:" ·";margin-left:4px;color:#888}@media (max-width:768px){body{padding:10px;font-size:15px}h1{font-size:1.8rem}h2{font-size:1.5rem}h3{font-size:1.2rem}button{width:100%;max-width:none;padding:14px 18px;font-size:16px;border-radius:10px}#faq,#infoBox,#science,#testimonials,#try-it-now,#use-cases,.boxed-section{padding:5px 12px}#statusMessage{padding:6px 10px;margin:3px}.sliders{padding:18px 12px;margin:14px 0}#toc{margin-bottom:10px}.sliders label:first-of-type{margin-top:2px}input[type=range]{height:12px}input[type=range]::-moz-range-thumb,input[type=range]::-webkit-slider-thumb{width:28px;height:28px}.device-status{padding:12px 14px;font-size:.95rem;gap:10px}.theme-switch{width:70px;height:38px}.theme-switch .slider:before{height:30px;width:30px;left:4px;bottom:4px}input:checked+.slider:before{left:calc(100% - 30px - 4px);transform:translateY(-50%)}}@media (max-width:480px){body{padding:8px;font-size:16px}h1{font-size:1.6rem}h2{font-size:1.25rem}h3{font-size:1.1rem}button{padding:16px 18px;font-size:17px;border-radius:10px;box-shadow:0 3px 8px rgba(0,0,0,.12)}.sliders{padding:14px 10px}input[type=range]{height:14px}input[type=range]::-moz-range-thumb,input[type=range]::-webkit-slider-thumb{width:34px;height:34px;box-shadow:0 3px 6px rgba(0,0,0,.25)}.timer-display{display:block;font-size:1.4em;min-width:84px;opacity:1}#dafTimer{display:block;font-size:1.05rem;min-width:80px;opacity:1}.device-status::after{right:8px}.device-status:hover::before{font-size:.75rem;padding:6px 8px}footer{padding:16px 0;font-size:.95em}.theme-switch-wrapper{justify-content:flex-end;gap:10px;padding-left:0;padding-right:0}#toc{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 0;justify-content:center}#toc a{text-decoration:none;white-space:nowrap;background:#f0f0f0;padding:4px 10px;border-radius:15px;font-size:.9rem;color:#333}#toc a:not(:last-child)::after{content:"";margin:0}}@media print{body{background-color:#fff;color:#000}.sliders,.theme-switch-wrapper,button{display:none}#faq,#infoBox,#testimonials,#use-cases,.boxed-section{page-break-inside:avoid;margin:20px 0;border:1px solid #ddd;padding:15px;box-shadow:none}}.themed-graph{transition:opacity .2s ease;max-width:100%;height:auto;margin-bottom:1em}.leadsto-list{list-style:none;padding-left:0;margin-left:.7em}.leadsto-list li{position:relative;padding-left:2em;margin-bottom:.5em}.leadsto-list li::before{content:"➤";position:absolute;left:0;font-weight:700}.status-flash{animation:statusFlash 700ms cubic-bezier(.25,.8,.25,1);will-change:transform,box-shadow}#dafTimer,.faq-toggle{color:var(--primary-color);display:block}#dafTimer{padding:8px 12px;border-radius:8px;margin-top:10px;min-width:64px;text-align:center;transition:opacity 260ms ease,transform 260ms ease;opacity:.6}#dafTimer.timer-running{opacity:1}#bluetoothWarning{width:1em;max-height:24px;display:inline}.faq-toggle{appearance:none;-webkit-appearance:none;background:0 0;border:0;font-weight:600;padding:.25rem .5rem;margin:.5rem 0 1rem;font-size:.95rem;border-radius:6px;cursor:pointer;margin-left:auto;margin-right:auto}.faq-toggle:hover{background:rgba(0,62,126,.06)}.faq-toggle:focus{outline:3px solid rgba(0,62,126,.12);outline-offset:2px}#controls{background-color:var(--box-background-color);padding:20px;border-radius:var(--border-radius);box-shadow:0 4px 12px var(--box-shadow-color);transition:background-color var(--transition-speed) ease,box-shadow var(--transition-speed) ease}