#game-ui {
    width: 100%;
    max-width: 800px;
    background: #1a1a24;
    padding: 20px;
    border-radius: 8px;
    box-sizing: border-box;
    border: 1px solid #333;
}
.header {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #333;
    padding-bottom: 10px;
    margin-bottom: 20px;
}
.status { color: #00ffcc; font-weight: bold; }
.my-info { color: #fff; }
.player-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.player-list li {
    background: #0b0b0e;
    margin-bottom: 8px;
    padding: 10px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    border-left: 3px solid #555;
}
.player-list li.Piano { border-left-color: #ff0055; }
.player-list li.Drum { border-left-color: #00ffcc; }
.player-list li.Guitar { border-left-color: #ffaa00; }
.controls {
    margin-top: 20px;
    padding: 15px;
    background: #0b0b0e;
    border-radius: 4px;
    color: #888;
    font-size: 14px;
    text-align: center;
}