.topic-container {
    max-width: 900px;
    margin: 20px auto;
    padding: 25px;
    border-radius: 12px;
    background-color: #fff;
}

h1 {
    color: #0044cc;
    text-align: center;
    font-size: 2.2rem;
}

.section h2 {
    margin-top: 1.5em;
    font-weight: 700;
    font-size: 1.5rem;
}

.section p {
    font-size: 17px;
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
    font-size: 17px;
}

.code-block {
    background-color: #151515;
    padding: 30px;
    margin-top: 10px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    color: white;
    overflow-x: auto;
}

pre {
    background-color: #151515;
    padding: 10px 15px;
    margin-top: 10px;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    white-space: pre-wrap;
    color: white;
    overflow-x: auto;
}

/* === Responsive Styles === */

@media (max-width: 768px) {
    .topic-container {
        padding: 20px;
        margin: 15px;
    }

    h1 {
        font-size: 1.8rem;
    }

    .section h2 {
        font-size: 1.3rem;
    }

    .section p,
    li {
        font-size: 16px;
    }

    .code-block,
    pre {
        font-size: 14px;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .topic-container {
        padding: 15px;
        margin: 10px;
    }

    h1 {
        font-size: 1.5rem;
    }

    .section h2 {
        font-size: 1.2rem;
    }

    .section p,
    li {
        font-size: 15px;
    }

    .code-block,
    pre {
        font-size: 13px;
        padding: 15px;
    }
}