body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: radial-gradient(circle, #1a1a2e, #000);
    color: white;
    text-align: center;
}

/* SCREEN CONTROL */
.screen {
    padding-top: 80px;
}

.hidden {
    display: none;
}

/* HUD */
#hud {
    padding: 10px;
    font-size: 16px;
}

/* GAME AREA */
#gameArea {
    width: 90vw;
    max-width: 600px;
    height: 400px;
    margin: 20px auto;
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

/* TARGET */
.target {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    position: absolute;
    cursor: pointer;
}

/* SHOP */
#shop {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    padding: 20px;
    background: rgba(0,0,0,0.9);
    border-radius: 10px;
}

/* BUTTONS */
button {
    padding: 10px;
    margin: 5px;
    border: none;
    border-radius: 8px;
    background: #6c5ce7;
    color: white;
    cursor: pointer;
}