@charset "utf-8";
/* CSS Document */
body {
            margin: 0;
            padding: 0;
            background: #0a0a0a;
            color: #fff;
            font-family: 'Arial', sans-serif;
            overflow: hidden;
            touch-action: manipulation;
            -webkit-tap-highlight-color: transparent;
        }
        
        #canvas {
            position: fixed;
            top: 0;
            left: 0;
        }
        
        #controls {
            position: fixed;
            bottom:0;
            left: 0px;
            background: rgba(0, 0, 0, 0);
            padding: 15px;
            border-radius: 10px;
            z-index: 10;
            width: 100%; box-sizing: border-box;justify-content: center;
        }
        
        button {
            padding: 0;
            margin: 5px;
            border: none;
            color: white;
            cursor: pointer;
            border-radius: 50%;
            transition: all 0.3s;
            font-size: 14px;
            touch-action: manipulation;
            -webkit-tap-highlight-color: transparent; width: 80px; height: 80px; background-position: center; background-repeat: no-repeat; background-size: 60px; text-indent: -9999px; background-color: transparent;
        }
        
        button:hover {
            
        }
        
        button.active {
            
        }
        #toggleSimulation,#mainStartButton {background-image: url("../img/play.svg");}
        #toggleSimulation.active {background-image: url("../img/pause.svg");}
        #startButton {
            font-size: 18px; 
        }
        
        #startButton.active {
        }
        
        #info {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: rgba(0, 0, 0, 0);
            padding: 15px;
            border-radius: 5px;
            font-size: 14px;
            max-width: 90%;
        }
        
        #startScreen {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            padding: 40px;
            width: 90%;
            /*max-width: 400px;*/
            box-sizing: border-box;
        }
        
        h1 {
            margin-bottom: 20px;
            font-size: 6vw;
            color: #FFF;
        }
        
        p {
            margin-bottom: 30px;
            line-height: 1.6;
        }
        
        .tone-info {
            font-size: 12px;
            opacity: 0.8;
        }
        
        @media (max-width: 768px) {
            
            
            #info {
                top: 10px;
                right: 10px;
                padding: 10px;
                font-size: 12px;
            }
            
            button {
                padding: 8px 12px;
                margin: 3px;
                font-size: 12px;
            }
            
            #startScreen {
                padding: 20px;
            }
            
            h1 {
            }
            
            p {
                font-size: 14px;
            }
        }
        
        #toggleSound,#resetButton { display: none;}