:root {
    --background-color: #0A1A2F;
    --accent-color-1: #7D5BA6;
    --accent-color-2: #00FFC4;
    --accent-color-3: #FF6B35;
    --text-color: white;
    --hover-color: #9E7BB5;
    --font-title: 'Roboto', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

body {
    margin: 0;
    font-family: var(--font-body);
    background: linear-gradient(135deg, var(--background-color), #050F1A);
    color: var(--text-color);
    line-height: 1.6;
    letter-spacing: 0.5px;
}

.container {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 20px;
    padding: 20px;
}

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

.sidebar {
    background: linear-gradient(135deg, var(--accent-color-1), #6C4E9C);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.sidebar a {
    text-decoration: none;
    color: var(--text-color);
    display: block;
    padding: 10px;
    transition: transform 0.3s ease, color 0.3s ease;
}

.sidebar a:hover {
    transform: scale(1.05);
    color: var(--hover-color);
}

.main-content {
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

h1, h2, h3 {
    font-family: var(--font-title);
    font-weight: bold;
    color: var(--accent-color-2);
    margin-top: 0;
}

p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

code {
    background: rgba(0, 255, 196, 0.2);
    padding: 5px 10px;
    border-radius: 5px;
    font-family: monospace;
    color: var(--accent-color-3);
}

pre {
    background: rgba(0, 255, 196, 0.1);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
}

button {
    background: var(--accent-color-2);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    color: var(--text-color);
    font-family: var(--font-title);
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

button:hover {
    transform: scale(1.1);
    background: var(--accent-color-3);
}

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

.section {
    margin-bottom: 40px;
}

.section-header {
    position: relative;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--accent-color-2);
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    h1, h2, h3 {
        font-size: 1.5rem;
    }

    p {
        font-size: 0.9rem;
    }
}