* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body,
html {
    height: 100%;
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: #121212;
    color: #e0e0e0;
}

#settings {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin: auto;
    background-color: #1e1e1e;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 600px;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #007bff;
}

label {
    margin-bottom: 12px;
    font-size: 20px;
    color: #d1d1d1;
}

input[type="number"],
input[type="range"],
span {
    padding: 12px;
    margin-bottom: 20px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    border: 1px solid #444;
    border-radius: 6px;
    background-color: #333;
    color: #e0e0e0;
    font-size: 18px;
    transition: border-color 0.3s ease;
}

input[type="number"]:focus,
input[type="range"]:focus {
    border-color: #007bff;
    outline: none;
}

button {
    padding: 12px 24px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-size: 18px;
}

button:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

canvas {
    display: none;
}

@media(max-width: 600px) {
    #settings {
        font-size: 16px;
    }

    input[type="number"],
    input[type="range"],
    button {
        width: 90%;
        max-width: none;
    }
}