.book-grid-layout {
    display: grid;
    /* CHANGEMENT : 15px = 0.9375rem */
    gap: 0.9375rem;
    margin-top: 0;
    grid-template-columns: repeat(3, 1fr);
    justify-content: start;
    width: 100%;
    align-self: start;
}

/* ---------------------------------------------------- */
/* STYLE DE BASE DES CARTES */
/* ---------------------------------------------------- */
.book-resource-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: var(--space-md);
    background-color: var(--source-color-white-transparent) !important;
    border: 1px solid var(--color-book-resource-card-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-z2);
    align-items: flex-start;
    align-self: start;
}

/* ---------------------------------------------------- */
/* 1. EN-TÊTE HORIZONTAL */
/* ---------------------------------------------------- */
.book-header-content {
    display: flex;
    flex-direction: row-reverse;
    align-items: flex-start;
}

.book-cover-container {
    /* CHANGEMENT : 132px / 16 = 8.25rem */
    width: 8.25rem;
    height: auto;
    flex-shrink: 0;
    margin-left: var(--space-md);
    margin-right: 0;
    overflow: hidden;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-z2);
}

.book-cover-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.book-info-base {
    flex-grow: 1;
    text-align: left;
}

.book-title {
    font-size: var(--font-size-book-title);
    color: var(--source-color-accent-two);
    margin-top: 0;
    margin-bottom: var(--space-xs);
    line-height: var(--line-height-heading);
}

.book-subtitle {
    font-size: var(--font-size-base-plus);
    color: var(--color-book-subtitle);
    margin-bottom: var(--space-sm);
    padding: var(--space-sm);
    /* CHANGEMENT : 1.6rem pour la hauteur de ligne */
    line-height: 1.6rem;
    font-weight: var(--fw-bold);
    background-color: var(--source-color-accent-two-very-light);
    border-radius: var(--radius-sm);
}

.book-author {
    font-size: var(--font-size-book-author);
    color: var(--source-color-accent-two);
    font-weight: var(--fw-bold);
    margin-bottom: var(--space-xs);
}

.book-author-website {
    /* CHANGEMENT : 8px = 0.5rem */
    margin-top: 0.5rem;
    margin-bottom: 0;
}

.book-author-link {
    display: inline-flex;
    align-items: center;
    background-color: var(--source-color-book-author-link-bg);
    color: var(--source-book-author-link);
    border: none;
    /* CHANGEMENT : 8px = 0.5rem */
    border-radius: 0.5rem;
    /* CHANGEMENT : 5px 10px = 0.3125rem 0.625rem */
    padding: 0.3125rem 0.625rem;
    font-size: 0.9em;
    text-decoration: none;
    font-weight: normal;
    cursor: pointer;
    box-shadow: var(--shadow-z2);
}

.book-author-link::before {
    content: "";
    background-image: url("/asset/img/gl/hand-pointer.svg");
    display: inline-block;
    width: 1.3em;
    height: 1.3em;
    /* CHANGEMENT : 5px = 0.3125rem */
    margin-right: 0.3125rem;
    background-repeat: no-repeat;
    background-size: contain;
    flex-shrink: 0;
}

.book-author-link:hover {
    filter: brightness(3);
}

.book-language {
    font-size: var(--font-size-book-language);
    color: var(--color-book-language);
    font-weight: var(--fw-bold);
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
    width: 100%;
}

.book-language-link {
    color: var(--color-link-to-be-view);
    font-weight: var(--fw-bold);
    text-decoration: underline;
    display: inline-block;
}

.book-language-link:hover {
    transform: scale(var(--transform-scale-md));
}

/* ---------------------------------------------------- */
/* 2. SECTION CENTRÉE (Résumé et Expansion) */
/* ---------------------------------------------------- */
.book-center-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    text-align: left;
    margin-bottom: 0;
}

.book-summary-wrapper {
    /* CHANGEMENT : 103px / 16 = 6.4375rem */
    max-height: 6.4375rem;
    overflow: hidden;
    position: relative;
    padding-bottom: 0;
    flex-grow: 1;
    min-height: 0;
    box-sizing: border-box;
}

/* --- DÉGRADÉ DE MASQUAGE --- */
.book-summary-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    /* CHANGEMENT : 55px / 16 = 3.4375rem */
    height: 3.4375rem;
    background: linear-gradient(to top,
    var(--color-white-bg) 0%,
    rgba(255, 255, 255, 0) 100%
    );
    pointer-events: none;
    opacity: 1;
    z-index: 5;
}

.book-summary-wrapper.expanded {
    /* CHANGEMENT : 1000px = 62.5rem */
    max-height: 62.5rem;
}

.book-summary-wrapper.expanded::after {
    opacity: 0;
}

.book-summary {
    margin-bottom: 0;
    height: 100%;
}

.book-summary p:last-child {
    margin-bottom: 0;
}

/*------------------------------------------------*/
/*------------------- @media ---------------------*/
/*------------------------------------------------*/

/* CHANGEMENT : 1024px = 64rem */
@media (max-width: 64rem) {
    .book-grid-layout {
        grid-template-columns: repeat(2, 1fr);
        margin-left: auto;
        margin-right: auto;
        padding-left: 0;
        padding-right: 0;
    }
}

/* CHANGEMENT : 785px = 49.0625rem */
@media (max-width: 49.0625rem) {
    .book-grid-layout {
        grid-template-columns: 1fr;
        margin-left: auto;
        margin-right: auto;
        padding-left: 0;
        padding-right: 0;
        /* CHANGEMENT : 20px = 1.25rem */
        gap: 1.25rem;
    }
}