/* General Styles */
body {
    font-family: 'Poppins', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to right, #6a11cb, #2575fc);
    color: #fff;
    text-align: center;
}

header {
    background: linear-gradient(to right, #ff6a00, #ee0979);
    padding: 20px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
}

h1 {
    font-size: 2.5rem;
    margin: 0;
}

main {
    margin: 20px auto;
    width: 90%;
    max-width: 800px;
    text-align: center;
}

label {
    font-weight: bold;
    display: block;
    margin: 10px 0;
}

input {
    width: 100%;
    max-width: 300px;
    padding: 10px;
    font-size: 1rem;
    margin: 10px 0;
    border: none;
    border-radius: 5px;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
}

button {
    padding: 10px 20px;
    border: none;
    background: #4caf50;
    color: white;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s, background-color 0.3s;
}

button:hover {
    transform: scale(1.1);
    background: #45a049;
}

.hidden {
    display: none;
}

/* Visualization Section */
canvas {
    background: white;
    margin: 20px auto;
    border: 2px solid #ddd;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
}

/* Practical Example Section */
#animated-example {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px auto;
    width: 80%;
    max-width: 600px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
}

#animated-example span {
    font-size: 2rem;
    animation: appear 1s ease-in-out forwards;
    opacity: 0;
}

@keyframes appear {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

#example-output {
    font-size: 1.2rem;
    color: yellow;
    margin-top: 10px;
}