body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(to bottom, #0A2E49, #45BFFF);
    overflow-x: hidden;
}

header {
    position: relative;
    height: 300px;
    background: radial-gradient(circle, rgb(255, 87, 34), transparent);
    animation: aurora-move 15s linear infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

@keyframes aurora-move {
    from { background-position: 0% 50%; }
    to { background-position: 100% 50%; }
}

header h1 {
    font-size: 3rem;
    font-weight: bold;
    color: #BA68C8;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
    z-index: 2;
}

main {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: linear-gradient(to right, #45BFFF, #BA68C8);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease-in-out;
}

.card:hover {
    transform: scale(1.05);
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #ffffff;
}

.card p {
    font-size: 1rem;
    margin-bottom: 15px;
    color: #f0f0f0;
}

pre {
    background: #0A2E49;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #BA68C8;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: #0A2E49;
    color: #ffffff;
    border-radius: 5px;
    overflow: hidden;
}

table th, table td {
    padding: 10px;
    text-align: left;
    border: 1px solid #45BFFF;
}

table th {
    background: linear-gradient(to right, #45BFFF, #BA68C8);
    color: #ffffff;
}

footer {
    background: #0A2E49;
    color: #ffffff;
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 10px 0;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    main {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 15px;
    }

    pre {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.5rem;
    }

    footer {
        font-size: 0.8rem;
    }
}