body {
    margin: 0;
    background-color: #000000;
    color: #FFFFFF;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: top;
    align-items: top;
}

.readme {
    float: right;
    padding: 6px;
    background-color: #000000;

}

#simulation-container {
    width: 800px;
    height: 600px;
    margin: 8px;
    position: relative;
    border: 3px solid #444444;
}

canvas {
    display: block;
    background-color: #000000;
}

#hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    color: #FFFF00;
}

#controls {
    position: absolute;
    top: 5px;
    right: 5px;
    display: flex;
    gap: 20px;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 5px;
    border-radius: 5px;
    pointer-events: all;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 5px;
    text-align: center;
}

.control-label {
    font-size: 11px;
    position: absolute;
    top: -2px;
}

.control-button {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.control-button img {
    width: 25px;
    height: 25px;
}

#zoom-out-fast img, #zoom-in-fast img {
    width: 10px;
}

.control-value {
    font-size: 13px;
    min-width: 40px;
    text-align: center;
    margin-top: 10px;
}

#info {
    position: absolute;
    bottom: 10px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

#scale {
    text-align: right;
}

#scenario-info {
    position: absolute;
    bottom: 40px;
    left: 20px;
    font-size: 12px;
    color: #CCCCCC;
}