#game-container {
    width: 400px;
    height: 500px;
    background-color: #2c3e50;
    display: flex;
    justify-content: center;
    align-items: center;
}

#board {
    width: 300px;
    height: 300px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
    border-radius: 50%;
    background-color: #34495e;
    padding: 20px;
    box-sizing: border-box;
}

.pad {
    border-radius: 20px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.1s;
}

.pad.active {
    opacity: 1;
}

#pad-0 { background-color: #e74c3c; border-top-left-radius: 100%; }
#pad-1 { background-color: #3498db; border-top-right-radius: 100%; }
#pad-2 { background-color: #f1c40f; border-bottom-left-radius: 100%; }
#pad-3 { background-color: #2ecc71; border-bottom-right-radius: 100%; }

#hud-score {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0,0,0,0.5);
    padding: 5px 10px;
    border-radius: 5px;
}