:root {
    --primary-color: #0A2463;
    --secondary-color: #808080;
    --accent-color: #FFA500;
    --background-color: #f9f9f9;
    --text-color: #333;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Roboto', Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(to bottom, #ffffff, #f0f0f0);
}

header {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 20px;
    text-align: center;
}

header h1 {
    font-size: 2rem;
    margin: 0;
    text-transform: uppercase;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
}

.module {
    background: var(--background-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
}

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

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

pre {
    background: #2d2d2d;
    color: #fff;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid var(--secondary-color);
    padding: 10px;
    text-align: left;
}

th {
    background: var(--accent-color);
    color: white;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 10px 0;
}

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

    header h1 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }

    pre {
        font-size: 12px;
    }
}

.button {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.button:hover {
    background: var(--primary-color);
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 2s linear infinite;
    margin: 20px auto;
    display: block;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}