body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: 'Open Sans', sans-serif;
    background-color: #1a1a1a;
    color: #ffffff;
    position: relative;
}

.container {
    text-align: center;
    width: 450px;
}

h1 {
    color: #ff9800;
    font-family: 'Orbitron', sans-serif;
    font-size: 28px;
}

h2 {
    font-size: 18px;
    color: #ffffff;
    margin-bottom: 20px;
}

.visualization {
    border: 2px solid green;
    margin: 0 auto;
    width: 450px;
    height: 450px;
    background-color: #333;
}

canvas {
    width: 100%;
    height: 100%;
    background-color: #333;
}



#pi,
#error {
    font-size: 18px;
    font-weight: bold;
    color: #ff9800;
    margin: 10px 0;
}

#start-button {
    font-size: 18px;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 20px;
    position: absolute;
    top: 740px;
    left: 770px;
}

#start-button:hover {
    background-color: #45a049;
}

.progress-container {
    width: 100%;
    background-color: #2d2d2d;
    margin: 20px 0;
    position: relative;
}

.progress-bar {
    background-color: #ff9800;
    height: 20px;
    width: 0%;
    transition: width 0.3s;
}

#progress-text {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    font-size: 14px;
    color: #ffffff;
    font-weight: bold;
}