body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    color: #fff;
    background: linear-gradient(135deg, #1a1a2e, #2c3e50);
    overflow-x: hidden;
    line-height: 1.6;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(26, 26, 46, 0.9);
    padding: 10px 20px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    color: #00ff99;
    margin: 0;
}

nav {
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    width: 80px;
    background: linear-gradient(180deg, #1a1a2e, #2c3e50);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}

nav a {
    text-decoration: none;
    color: #fff;
    font-size: 20px;
    padding: 10px;
    border-radius: 50%;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

nav a:hover {
    background-color: #00ff99;
    transform: scale(1.2);
}

.container {
    max-width: 1200px;
    margin: 80px auto 20px;
    padding: 0 20px;
    position: relative;
}

h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    color: #00ff99;
    margin-top: 40px;
    margin-bottom: 20px;
}

p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

code {
    background: rgba(0, 255, 153, 0.1);
    padding: 5px 10px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    color: #00ff99;
    font-size: 14px;
    display: inline-block;
}

pre {
    background: rgba(0, 255, 153, 0.1);
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    margin-bottom: 20px;
}

img {
    max-width: 100%;
    height: auto;
    margin: 20px 0;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card {
    background: rgba(26, 26, 46, 0.8);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 4px 8px rgba(0, 255, 153, 0.2);
    transition: transform 0.3s ease;
}

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

@media (max-width: 768px) {
    header h1 {
        font-size: 20px;
    }
    nav {
        width: 60px;
    }
    nav a {
        font-size: 16px;
    }
    .container {
        padding: 0 10px;
    }
}

.particle {
    position: absolute;
    width: 5px;
    height: 5px;
    background-color: #00ff99;
    animation: particleAnimation 3s infinite;
    pointer-events: none;
}

@keyframes particleAnimation {
    0% {
        transform: translate(0, 0);
        opacity: 1;
    }
    100% {
        transform: translate(100px, -100px);
        opacity: 0;
    }
}

footer {
    text-align: center;
    padding: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 40px;
}