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

body {
    background-color: #1a1a2e;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #eee;
}

#game-container {
    text-align: center;
}

#score {
    font-size: 28px;
    margin-bottom: 10px;
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

#gameCanvas {
    border: 3px solid #444;
    border-radius: 4px;
    background-color: #0f0f1a;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

#controls {
    margin-top: 15px;
}

#controls p {
    margin-bottom: 10px;
    font-size: 16px;
    color: #aaa;
}

#startBtn {
    padding: 12px 36px;
    font-size: 18px;
    background-color: #e74c3c;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

#startBtn:hover {
    background-color: #c0392b;
}

#startBtn:active {
    transform: scale(0.97);
}