body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1E272E, #12181b);
    color: white;
    line-height: 1.8;
    overflow-x: hidden;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(30, 39, 46, 0.9);
    padding: 15px 20px;
    z-index: 1000;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header .logo {
    font-size: 24px;
    font-weight: bold;
    color: #FFC300;
    text-transform: uppercase;
}

header nav a {
    color: white;
    margin-left: 20px;
    text-decoration: none;
    transition: color 0.3s ease-in-out;
}

header nav a:hover {
    color: #FFC300;
}

main {
    padding-top: 100px;
    padding-bottom: 50px;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-button {
    background: transparent;
    border: 2px solid #FFC300;
    color: #FFC300;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.tab-button.active {
    background: #FFC300;
    color: #1E272E;
}

.tab-content {
    display: none;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    animation: fadeIn 0.5s ease-in-out;
}

.tab-content.active {
    display: block;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.card img {
    max-width: 100%;
    border-radius: 10px;
    margin-bottom: 10px;
}

.article-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 20px;
    margin: 20px auto;
    max-width: 1200px;
}

.article-section h2, .article-section h3 {
    color: #FFC300;
    margin-bottom: 15px;
}

.article-section pre {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
}

.article-section code {
    color: #FFC300;
    font-size: 14px;
    display: block;
}

footer {
    text-align: center;
    padding: 20px;
    background: rgba(30, 39, 46, 0.9);
    color: #FFC300;
    margin-top: 50px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    .tabs {
        flex-direction: column;
        align-items: center;
    }

    .tab-button {
        margin-bottom: 10px;
    }
}