* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            touch-action: manipulation;
        }
        body {
            font-family: 'Arial', sans-serif;
            background: #0a192f;
            color: #fff;
            text-align: center;
            overflow: hidden;
            height: 50vh;
            display: flex;
            flex-direction: column;
        }
        h2 {
            color: #ff6464;
            padding: 15px;
            font-size: 1.5rem;
            text-shadow: 0 0 10px rgba(255, 100, 100, 0.5);
        }
        #gameContainer {
            position: relative;
            margin: 0 auto;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            width: 100%;
        }
        #startScreen {
            background: rgba(10, 25, 47, 0.9);
            padding: 20px;
            border-radius: 10px;
            width: 90%;
            max-width: 400px;
            margin: 0 auto;
            border: 1px solid #ff6464;
        }
        #startScreen h2 {
            color: #ff6464;
            margin-bottom: 15px;
        }
        #playerName {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 2px solid #ff1e1e;
            border-radius: 5px;
            font-size: 16px;
            background: rgba(255, 30, 30, 0.1);
            color: white;
        }
        #startButton {
            background: linear-gradient(135deg, #ff1e1e, #ff6464);
            color: white;
            border: none;
            padding: 12px 0;
            width: 100%;
            font-size: 18px;
            font-weight: bold;
            border-radius: 5px;
            cursor: pointer;
            transition: transform 0.2s;
        }
        #startButton:active {
            transform: scale(0.98);
        }
        canvas {
            display: block;
            border: 3px solid #ff1e1e;
            background: #0a192f;
            border-radius: 10px;
            margin: 0 auto;
            max-width: 100%;
            max-height: 60vh;
            display: none;
        }
        .info-display {
            display: flex;
            justify-content: space-around;
            padding: 5px;
            font-size: 1.2rem;
            color: #ff6464;
            display: none;
        }
        .controls {
            display: grid;
            grid-template-areas:
                ". up ."
                "left down right";
            gap: 10px;
            padding: 10px;
            display: none;
            justify-content: center;
        }
        .controls button {
            background: rgba(255, 100, 100, 0.3);
            border: 2px solid #ff6464;
            color: white;
            font-size: 20px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            touch-action: manipulation;
        }
        .controls button:active {
            background: rgba(255, 100, 100, 0.7);
        }
        #up { grid-area: up; }
        #left { grid-area: left; }
        #down { grid-area: down; }
        #right { grid-area: right; }
        #gameOver {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(10, 25, 47, 0.95);
            color: #ff6464;
            padding: 15px;
            border-radius: 15px;
            border: 2px solid #ff6464;
            text-align: center;
            display: none;
            width: 70%;
            max-width: 300px;
            z-index: 10;
        }
        #gameOver h2 {
            font-size: 1.5rem;
            margin-bottom: 5px;
            color: #4CAF50;
        }
        #resultScore {
            font-size: 1rem;
            margin: 10px 0;
        }
        #dashboard {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: rgba(10, 25, 47, 0.9);
            padding: 5px;
            border-top: 2px solid #ff6464;
            display: none;
            z-index: 5;
        }
        #dashboard h3 {
            color: #ff6464;
            margin-bottom: 5px;
            font-size: 1rem;
        }
        #leaderboard {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }
        .leaderboard-entry {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
        }
        #backButton {
            background: #ff6464;
            color: white;
            border: none;
            padding: 10px 20px;
            margin-top: 15px;
            border-radius: 5px;
            font-size: 16px;
            cursor: pointer;
        }
        #soundToggle {
            position: fixed;
            top: 10px;
            right: 10px;
            background: rgba(255, 100, 100, 0.3);
            border: 2px solid #ff6464;
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 20;
        }