body {
    margin: 0;
    background: #000;
    overflow: hidden;
    color: #0f0;
    font-family: 'Courier New', monospace;
}

canvas {
    display: block;
}

.controls-legend {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: #0f0;
    font-family: 'Courier New', monospace;
    background: rgba(0, 0, 0, 0.7);
    padding: 15px;
    border: 1px solid #333;
    border-radius: 4px;
    pointer-events: none;
    font-size: 14px;
    line-height: 1.6;
}

.key {
    display: inline-block;
    border: 1px solid #0f0;
    border-radius: 3px;
    padding: 2px 6px;
    font-size: 20px;
    margin: 0 2px;
    background: #020;
    min-width: 15px;
    text-align: center;
    font-weight: bold;
}

.control-item {
    margin-bottom: 5px;
}

.hud {
    position: absolute;
    top: 20px;
    left: 20px;
    text-shadow: 2px 2px #000;
    pointer-events: none;
}

#minimap {
    position: absolute;
    bottom: 20px;
    right: 20px;
    border: 2px solid #555;
    background: rgba(0, 0, 0, 0.8);
}

#gameOver {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: darkred;
    font-size: 2em;
    display: none;
}

#nextLevel {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2em;
    color: aquamarine;
    display: none;
}

#allOrbs {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2em;
    color: yellow;
    display: none;
}