body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    background-color: #f3f3f3;
    color: #454545;
    text-align: center;
    display: flex;
    flex-direction: column; /* Vertical layout for the main content */
    height: 100vh; /* Full height equals the viewport */
    position: relative;
}

main {
    flex: none;
    width: 100%; /* Full width */
    height: 100vh; /* Full height equals the viewport */
    display: flex;
    align-items: center; /* Center horizontally */
    justify-content: center; /* Center vertically */
    position: relative;
}

#canvas_container {
    width: 100%;
    height: 100%; /* Fill the parent container */
    background-color: #000000;
    position: relative; /* Relative positioning for floating content */
    display: flex; /* Ensure content inside is centered */
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

canvas {
    width: 100%; /* Fill the parent container */
    height: 100%;
}

aside {
    position: absolute; /* Absolute positioning, overlays on #canvas_container */
    top: 10px; /* Maintain a distance from the top */
    right: 10px; /* Always align to the right */
    background-color: rgba(227, 227, 227, 0.9); /* Semi-transparent background */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    border-radius: 8px; /* Rounded corners */
    padding: 20px; /* Internal spacing */
    z-index: 10; /* Ensure it stays above the canvas */
}

#input_container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px; /* Spacing between controls */
}

#number_input {
    width: 60px; /* Increase input field width */
    text-align: center; /* Center text in the input field */
    margin: 10px;
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

#button_container {
    display: flex;
    flex-direction: column; /* Arrange buttons vertically */
    gap: 10px; /* Spacing between buttons */
    align-items: center; /* Center buttons horizontally */
    margin: 20px;
}

img {
    height: 25px;
    width: 25px;
}

p {
    font-size: 0.5em;
}

label {
    font-size: 0.5em;
}

.buttons {
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;
    color: #000000;
    border: none;
    border-radius: 20px;
    transition: background-color 0.3s ease, transform 0.3s ease; /* Add transition effects */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.buttons:hover {
    background-color: #c1c1c1;
    color: #ffffff;
    transform: scale(1.05); /* Enlarge effect on hover */
}

.buttons:focus {
    outline: 2px solid #ffffff;
    outline-offset: 2px; /* Focus effect */
}

/* Responsive Design */
@media (max-width: 768px) {
    aside {
        top: 10px; /* Keep distance from the top */
        right: 10px; /* Always align to the right */
    }

    #button_container {
        gap: 5px; /* Reduce button spacing for smaller screens */
    }

    .buttons {
        width: auto; /* Adjust width automatically */
        max-width: 200px; /* Limit the maximum width */
    }
}