body {
    font-family: Arial, sans-serif;
    background: #181a1b;
    color: #fff;
    text-align: center;
    margin: 0;
    padding: 0;
}

h1 {
    margin-top: 30px;
    margin-bottom: 10px;
}

#stats {
    margin-bottom: 20px;
    font-size: 1.2em;
}

#gameArea {
    width: 80vw;
    height: 60vh;
    background: #23272a;
    margin: 20px auto 0 auto;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid #7289da;
}

#target {
    width: 60px;
    height: 60px;
    background: #e74c3c;
    border-radius: 50%;
    position: absolute;
    display: none;
    cursor: pointer;
    box-shadow: 0 0 20px 2px #e74c3c55;
    transition: background 0.1s;
}

#target:active {
    background: #c0392b;
}

#startBtn {
    margin-top: 18px;
    padding: 12px 28px;
    font-size: 1.1em;
    background: #7289da;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.2s;
}

#startBtn:hover {
    background: #5b6eae;
}