body {
    background: #1a1a1a;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

#aquarium-container {
    position: relative;
    border: 4px solid #333;
    box-shadow: 0 0 0px rgba(0, 0, 0, 0.5);
}

canvas {
    position: absolute;
    top: 0;
    left: 0;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    display: block;
}

#aquarium-canvas {
    background-color: #1a1a1a;
}

#top-canvas {
    background-color: transparent;
}

#test-actions {
    position: absolute;
    display: flex;
    flex-direction: column;
    gap: 10px;
    top: 0;
    left: 0;
    padding: 20px;
    margin: 5px;
    color: #00ff00;
    border: 1px solid;
    width: 200px;
    max-height: 800px;
    overflow-y: auto;
}

#test-actions button {
    background-color: #ffffae;
    border: 2px solid #00ff00;
    width: 90%;
    height: 35px;
    border-radius: 5px;
    font-family: Arial, Helvetica, sans-serif;
}

#test-actions button:disabled {
    background-color: #7c7c52;
    border: 2px solid #009200;
}

#test-actions button:hover {
    cursor: pointer;
    border: 3px solid #007800;
}

#pixel-scale {
    position: absolute;
    bottom: 0;
    right: 0;
    margin: 5px;
    ;
    color: #00ff00;
    font-family: monospace;
    font-size: 11px;
}

#delta-time {
    position: absolute;
    margin: 5px;
    top: 0;
    color: #00ff00;
    font-family: Arial, Helvetica, sans-serif
}

#test-indicators {
    position: absolute;
    display: grid;
    grid-template-columns: auto auto;
    grid-row: 30px auto;
    gap: 5px;
    top: 0;
    right: 0;
    margin: 5px;
    color: #3d873d;
}

.indicator-title {
    font-family: 'Courier New', Courier, monospace;
    font-size: 13px;
    color: #ffff00;
    width: 100%;
    height: 100%;
    text-align: center;
}

#constant-indicators,
#variable-indicators {
    grid-row: 2;
    height: fit-content;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 10px;
    max-height: 800px;
    border: 1px solid;
    overflow-y: auto;
    font-family: monospace
}

#constant-indicators {
    grid-column: 1;
    color: #3737ff;
}

#variable-indicators {
    grid-column: 2;
    color: #007800;
}

#variable-indicators b {
    color: #00ff00;
}

#constant-indicators b {
    color: #6868ff;
}