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

body {
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.game-container {
    text-align: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

h1 {
    margin-bottom: 20px;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.score-container {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 1.2em;
    padding: 0 10px;
}

#gameCanvas {
    border: 2px solid #fff;
    background: #000;
    display: block;
    margin: 0 auto;
    cursor: none;
}

.controls {
    margin-top: 20px;
}

#startBtn {
    padding: 10px 30px;
    font-size: 1.1em;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

#startBtn:hover {
    background: #45a049;
}

p {
    margin-top: 10px;
    font-size: 0.9em;
    opacity: 0.8;
}