* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #000000;
            overflow: hidden;
            color: white;
        }

        #container {
            position: relative;
            width: 100vw;
            height: 100vh;
        }
/*
        #mainscreen {
            position: absolute;
            top: 0;
            left: 0;
            z-index: 1;
        }

        .layer {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 100;
            pointer-events: none;
        }

        .control_system {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            background: rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(10px);
            padding: 20px 30px;
            border-radius: 50px;
            border: 1px solid rgba(68, 65, 65, 0.1);
            pointer-events: all;
        }
*/
        #canvas {
            position: absolute;
            top: 0;
            left: 0;
            z-index: 1;
        }


        .ui-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 10;
            pointer-events: none;
        }

        .controls {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 20px;
            align-items: center;
            background: rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(10px);
            padding: 20px 30px;
            border-radius: 50px;
            border: 1px solid rgba(68, 65, 65, 0.1);
            pointer-events: all;
            box-shadow: 0 8px 32px rgba(255, 255, 255, 0.3);
        }

        .btn {
            background: linear-gradient(45deg, #6366f1, #8b5cf6);
            border: none;
            padding: 12px 24px;
            border-radius: 25px;
            color: white;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
        }

        .btn:active {
            transform: translateY(0);
        }

        #fileInput {
            display: none;
        }

        .file-label {
            background: linear-gradient(45deg, #10b981, #00e804);
            border: none;
            padding: 12px 24px;
            border-radius: 25px;
            color: white;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
        }

        .file-label:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
        }

        .test-btn {
            background: linear-gradient(45deg, #f59e0b, #c7d906);
            padding: 8px 16px;
            font-size: 12px;
            min-width: auto;
            box-shadow: 0 3px 10px rgba(245, 158, 11, 0.3);
        }

        .test-btn:hover {
            box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
        }

     

        .volume-control {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .volume-slider {
            width: 100px;
            height: 4px;
            border-radius: 2px;
            background: rgba(255, 255, 255, 0.2);
            outline: none;
            cursor: pointer;
        }

        .volume-slider::-webkit-slider-thumb {
            appearance: none;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: linear-gradient(45deg, #6366f1, #8b5cf6);
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(99, 102, 241, 0.5);
        }

        .loading {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            pointer-events: all;
        }

        .spinner {
            width: 50px;
            height: 50px;
            border: 3px solid rgba(255, 255, 255, 0.1);
            border-top: 3px solid #6366f1;
            border-radius: 50%;
            animation: spin 1.3s linear infinite;
            margin: 0 auto 20px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .hidden {
            display: none;
        }

        .wave-container {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 200px;
            z-index: 5;
            pointer-events: none;
            overflow: hidden;
        }


        #waveCanvas {
            width: 100%;
            height: 100%;
            display: block;
        }