body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1A237E, #6200EA, #2196F3);
        color: #FFFFFF;
    }
    header {
        padding: 20px;
        text-align: center;
        background: rgba(0, 0, 0, 0.5);
        position: sticky;
        top: 0;
        z-index: 1000;
    }
    header h1 {
        font-family: 'Orbitron', sans-serif;
        font-size: 2.5em;
        color: #1E90FF;
    }
    .tab-container {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        background: rgba(0, 0, 0, 0.7);
        padding: 10px;
    }
    .tab {
        padding: 15px 25px;
        margin: 5px;
        background: #333;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.3s, transform 0.3s;
    }
    .tab:hover {
        background: #555;
        transform: scale(1.05);
    }
    .active {
        background: #1E90FF;
    }
    .content {
        padding: 20px;
        animation: fadeIn 1s ease-in-out;
    }
    .code-block {
        background: #000;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
        color: #0F0;
    }
    @keyframes fadeIn {
        from {opacity: 0;}
        to {opacity: 1;}
    }
    img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
        margin: 10px;
    }
    table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 20px;
    }
    table, th, td {
        border: 1px solid #444;
    }
    th, td {
        padding: 10px;
        text-align: left;
    }
    th {
        background: #1E90FF;
    }
    @media (max-width: 768px) {
        header h1 {
            font-size: 1.8em;
        }
        .tab {
            padding: 10px 15px;
            font-size: 0.9em;
        }
    }