body {
    margin: 0;
    overflow: hidden;
    background-color: #222;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

canvas {
    display: block;
}

#ui {
    position: absolute;
    top: 10px;
    left: 10px;
    pointer-events: none;
    width: 100%;
    height: 100%;
}

#stats {
    background: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 10px;
    border-radius: 5px;
    font-size: 16px;
    display: inline-block;
    pointer-events: auto;
}

#controls-hint {
    background: rgba(0, 0, 0, 0.5);
    padding: 5px;
    border-radius: 5px;
    display: inline-block;
}

#minimap {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(0, 0, 0, 0.8);
    border-radius: 5px;
    pointer-events: auto; /* Maybe allow clicking later? */
}

#game-over {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    pointer-events: auto;
}

.hidden {
    display: none;
}

button {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 5px;
}