body {
    margin: 0;
    padding: 0;
    background: #222;
    color: #fff;
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
    user-select: none;
}

#game-container {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#gameCanvas {
    image-rendering: pixelated;
    background: #000;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

#hud {
    width: 128px;
    height: 24px;
    background: #333;
    border: 2px solid #555;
    display: flex;
    align-items: center;
    padding: 0 4px;
    box-sizing: border-box;
    font-size: 10px;
    gap: 8px;
}

#lives-container {
    display: flex;
    gap: 2px;
}

.life-icon {
    width: 6px;
    height: 6px;
    background: red;
    border-radius: 50%;
}

#score-display {
    margin-left: auto;
    width: 64px;
    text-align: right;
}

#overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 128px;
    height: 128px;
    background: rgba(0,0,0,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    z-index: 10;
    pointer-events: none;
}

#overlay-content {
    font-size: 12px;
    line-height: 1.5;
}

.hidden {
    display: none !important;
}