/* Hide previous navigation button on Introduction page */
body[data-bs-page="introduction"] .prev-next-area .prev-next-info:first-child,
body[data-bs-page="introduction"] .prev-next-area a.left-prev {
    display: none !important;
}

/* Alternative selectors for different Sphinx Book Theme versions */
.bd-page-navigation .prev-next-area .left-prev[href*="index.html"] {
    display: none !important;
}

/* Hide any navigation link pointing to index.html */
nav a[href="index.html"],
.prev-next-area a[href="index.html"] {
    display: none !important;
}