.guide-section {
    display: none;
    padding: 2rem;
    background-color: #f9f9f9;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    margin-bottom: 2rem;
    position: relative;
    border-left: 8px solid #1976d2; /* default ribbon color (Admin) */
}

    /* Active section */
    .guide-section.active {
        display: block;
    }

    /* --- Ribbon for Role --- */
    .guide-section::before {
        content: attr(data-role);
        position: absolute;
        left: -8px;
        top: 1rem;
        transform: rotate(-90deg);
        transform-origin: left top;
        font-weight: bold;
        color: white;
        padding: 0.25rem 0.75rem;
        border-radius: 4px 4px 0 0;
        font-size: 0.8rem;
    }

    /* Ribbon colors by role */
    .guide-section[data-role="Admin"]::before {
        background-color: #1976d2; /* blue */
    }

    .guide-section[data-role="Teacher"]::before {
        background-color: #43a047; /* green */
    }

    .guide-section[data-role="Student"]::before {
        background-color: #f57c00; /* orange */
    }

    .guide-section[data-role="Parent"]::before {
        background-color: #8e24aa; /* purple */
    }

    /* --- Headings --- */
    .guide-section h1 {
        font-size: 2rem;
        color: #222;
        margin-bottom: 1rem;
    }

    .guide-section h2 {
        font-size: 1.5rem;
        margin-top: 1.5rem;
        margin-bottom: 1rem;
        color: #333;
    }

    .guide-section h3 {
        font-size: 1.2rem;
        margin-top: 1rem;
        margin-bottom: 0.5rem;
        color: #555;
    }

    /* --- Paragraphs --- */
    .guide-section p {
        line-height: 1.6;
        margin-bottom: 1rem;
        color: #444;
    }

    /* --- Lists --- */
    .guide-section ul,
    .guide-section ol {
        margin-left: 1.5rem;
        margin-bottom: 1rem;
    }

    /* --- Images --- */
    .guide-section img {
        max-width: 100%;
        border-radius: 8px;
        border: 1px solid #ddd;
        margin: 1rem 0;
    }

    /* --- Alerts / Important Notes --- */
    .guide-section .important-note {
        background-color: #fff3e0;
        border-left: 5px solid #ffa726;
        padding: 1rem;
        border-radius: 6px;
        margin-bottom: 1rem;
    }

/* --- Navigation Buttons --- */
nav button {
    cursor: pointer;
    background: none;
    border: none;
    color: #1976d2;
    font-weight: bold;
    padding: 0;
    font-size: 1rem;
}

    nav button:hover {
        text-decoration: underline;
    }

/* --- Smooth scroll on navigation --- */
html {
    scroll-behavior: smooth;
}