:root {
    --primary-color: #003366;
    --secondary-color: #1A237E;
    --accent-color: #FFC107;
    --background-color: #F5F5F5;
    --code-bg: #2D2D2D;
    --code-text: #FFFFFF;
    --hover-effect: #FF9800;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: radial-gradient(circle, rgb(30, 41, 59), transparent);
    color: #333;
    animation: aurora-move 15s linear infinite;
}

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

header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.main-content {
    grid-column: 1;
    background: var(--background-color);
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.side-decorations {
    grid-column: 2;
    background: linear-gradient(45deg, var(--accent-color), transparent);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    padding: 1rem;
}

.side-decorations img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-bottom: 1rem;
}

h2, h3, h4 {
    color: var(--primary-color);
    font-weight: bold;
}

pre {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
}

code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
}

.button {
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease-in-out, background 0.3s ease-in-out;
}

.button:hover {
    background: var(--hover-effect);
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
    }

    .side-decorations img {
        max-width: 100%;
    }
}

footer {
    background: var(--primary-color);
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}

footer p {
    margin: 0;
}