.cbg-trigger {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    background: #007cba;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    font-weight: bold;
}
.cbg-trigger:hover { background: #006ba1; }
.cbg-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}
.cbg-modal-content {
    background: #222;
    color: #fff;
    padding: 20px;
    border-radius: 10px;
    position: relative;
    text-align: center;
}
.cbg-close-x {
    position: absolute;
    top: 10px;
    right: 15px;
    background: transparent;
    border: none;
    color: #ccc;
    font-size: 24px;
    cursor: pointer;
}
.cbg-game-container { display: flex; flex-direction: column; align-items: center; }
#cbg-canvas { background: #000; border: 2px solid #444; }
.cbg-controls { margin-top: 15px; }
#cbg-start-btn { background: #28a745; color: #fff; border: none; padding: 8px 16px; border-radius: 4px; cursor: pointer; }