body {
    background-color: #121212;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

#gameCanvas {
    display: block;
    margin: 0 auto;
    background-color: #1e1e1e;
    border: 2px solid #ffffff;
}

#hud {
    position: fixed;
    top: 10px;
    left: 10px;
    color: #fff;
    font-size: 14px;
    z-index: 100;
}

#ping {
    margin-bottom: 5px;
}

#health-bar-bg {
    width: 200px;
    height: 20px;
    background-color: #333;
    border: 2px solid #fff;
    position: relative;
}

#health-bar {
    height: 100%;
    background-color: #00ff00;
    transition: width 0.1s, background-color 0.1s;
}

#players-ranking {
    margin-top: 20px;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 10px;
    border: 2px solid #fff;
    border-radius: 5px;
    min-width: 250px;
}

#players-ranking h3 {
    margin: 0 0 10px 0;
    font-size: 16px;
    color: #ffff00;
}

#ranking-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ranking-item {
    padding: 5px;
    margin: 3px 0;
    background-color: rgba(50, 50, 50, 0.9);
    border-left: 3px solid #666;
    font-size: 12px;
    color: #ccc;
}

.ranking-item.current-player {
    background-color: rgba(100, 150, 255, 0.3);
    border-left: 3px solid #00aaff;
    color: #00ffff;
    font-weight: bold;
}