body {
            margin: 0;
            background-color: #050505;
            overflow: hidden;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            color: #ccc;
        }

        canvas {
            box-shadow: 0 0 50px rgba(0,0,0,0.9);
            max-width: 95vw;
            max-height: 95vh;
            background-image: 
                linear-gradient(45deg, #151515 25%, transparent 25%), 
                linear-gradient(-45deg, #151515 25%, transparent 25%), 
                linear-gradient(45deg, transparent 75%, #151515 75%), 
                linear-gradient(-45deg, transparent 75%, #151515 75%);
            background-size: 20px 20px;
            background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
        }

        #fileInput { display: none; }

        .tp-container {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 100;
            width: 340px;
            max-height: 90vh;
            overflow-y: auto;
        }
        
        .tp-container::-webkit-scrollbar { width: 6px; }
        .tp-container::-webkit-scrollbar-thumb { background: #444; border-radius: 3px; }