:root {
    --primary-color: #0074D9;
    --secondary-color: #6F38C5;
    --accent-color: #2ECC40;
    --neutral-color: #F5F5F5;
    --text-color: #333;
    --gradient-bg: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-color);
    background: var(--neutral-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--gradient-bg);
    color: white;
    padding: 15px 20px;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-family: 'Roboto Slab', serif;
    font-size: 24px;
    margin: 0;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 80px;
}

.module {
    margin: 20px 0;
    padding: 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 1200px;
    transition: transform 0.3s ease;
}

.module:hover {
    transform: translateY(-5px);
}

.module h2 {
    font-family: 'Roboto Slab', serif;
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 15px;
}

.module p {
    font-size: 16px;
    margin-bottom: 15px;
}

.button {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    font-family: 'Roboto Slab', serif;
    font-size: 16px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

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

code {
    background: var(--neutral-color);
    padding: 5px 10px;
    border-radius: 4px;
    font-family: monospace;
    color: var(--primary-color);
}

pre {
    background: var(--neutral-color);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
}

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

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

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

@media (max-width: 768px) {
    .module {
        width: 100%;
    }

    header h1 {
        font-size: 20px;
    }
}