/* Grelha de Portfólio */
.lvs-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 30px;
    width: 100%;
    margin: 40px 0;
    align-items: start; /* Impede que os cartões estiquem para igualar a altura da linha */
}

/* Cartão do Livro */
.lvs-book-card {
    position: relative;
    overflow: hidden;
    background: transparent;
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: block; /* Alterado para block para abraçar perfeitamente a imagem */
    height: fit-content; /* Garante que o contentor termina exatamente onde a imagem termina */
}

.lvs-book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.lvs-book-card.lvs-rounded {
    border-radius: 8px;
}

.lvs-book-card.lvs-bordered {
    border: 1px solid #eaeaea;
}

.lvs-card-img {
    width: 100%;
    height: auto;
    display: block;
}

/* Overlay no Hover */
.lvs-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(30, 30, 46, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 20px;
    text-align: center;
}

.lvs-book-card:hover .lvs-card-overlay {
    opacity: 1;
}

.lvs-book-title {
    color: #fff;
    font-size: 18px;
    margin: 0 0 20px 0;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

/* Botões de Ação */
.lvs-card-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
}

.lvs-btn {
    border: none;
    color: #fff;
    padding: 12px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    transition: filter 0.2s ease, transform 0.2s ease;
    width: 100%;
}

.lvs-btn:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
}

/* Modal 3D em Ecrã Inteiro */
.lvs-modal {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lvs-modal.lvs-modal-active {
    opacity: 1;
    visibility: visible;
}

.lvs-modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
    z-index: 10;
    transition: transform 0.2s ease;
}

.lvs-modal-close:hover {
    transform: scale(1.2);
}

.lvs-modal-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 2500px;
}