/* =========================================
   BIBLIOTECA - HERO
   ========================================= */
.library-hero {
    padding: var(--space-xl) 0;
    background-color: var(--color-crema);
    margin-top: 80px;
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.hero-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-dorado);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    display: block;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--color-negro);
    margin-bottom: var(--space-sm);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--color-negro-suave);
    max-width: 500px;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    /* Difuminado sutil en los bordes para un look más editorial */
    -webkit-mask-image: radial-gradient(
        ellipse at center,
        black 70%,
        transparent 100%
    );
    mask-image: radial-gradient(
        ellipse at center,
        black 70%,
        transparent 100%
    );
}

/* =========================================
   GRID DE LIBROS - LAYOUT DE FILA (PRO)
   ========================================= */
.books-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    padding: var(--space-xl) 0;
}

.book-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2.5rem;
    background-color: var(--color-blanco);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.book-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

/* Portada del libro */
.book-cover {
    position: relative;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background-color: var(--color-crema-oscuro);
}

.book-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.book-card:hover .book-cover-img {
    transform: scale(1.03);
}

/* Badge (Nuevo / Próximamente) */
.book-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--color-dorado);
    color: var(--color-blanco);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.4rem 0.75rem;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    z-index: 2;
}

.badge-proximamente {
    background-color: var(--color-gris) !important;
}

.proximamente-img {
    filter: grayscale(100%) brightness(0.85);
}

/* Contenido de la tarjeta */
.book-content {
    padding: 2rem 2.5rem 2rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.book-title {
    font-family: var(--fuente-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-negro);
    margin-bottom: 0.3rem;
    line-height: 1.2;
}

.book-subtitle {
    font-family: var(--fuente-serif);
    font-style: italic;
    font-size: 1rem;
    color: var(--color-dorado);
    margin-bottom: 1.2rem;
    font-weight: 400;
}

.book-description {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-negro-suave);
    margin-bottom: 1.8rem;
    max-width: 600px;
}

/* Botones de acción */
.book-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-book-primary, .btn-book-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    text-decoration: none;
    transition: all 0.25s ease;
    border: none;
    cursor: pointer;
    min-width: 180px;
}

.btn-book-primary {
    background-color: var(--color-negro);
    color: var(--color-crema);
}

.btn-book-primary:hover {
    background-color: var(--color-dorado);
    color: var(--color-negro);
    transform: translateY(-2px);
}

.btn-book-secondary {
    background-color: transparent;
    color: var(--color-negro);
    border: 1px solid var(--color-crema-oscuro);
}

.btn-book-secondary:hover {
    border-color: var(--color-dorado);
    color: var(--color-dorado);
    transform: translateY(-2px);
}

.btn-disabled {
    background-color: var(--color-crema-oscuro) !important;
    color: var(--color-gris) !important;
    cursor: not-allowed !important;
    transform: none !important;
}

.btn-disabled:hover {
    background-color: var(--color-crema-oscuro) !important;
    color: var(--color-gris) !important;
}

/* Mensajes de estado */
.no-books, .error-message, .loading-message {
    text-align: center;
    padding: 4rem 1rem;
    font-size: 1.1rem;
    color: var(--color-negro-suave);
}

.error-message {
    color: #d32f2f;
}

/* =========================================
   SECCIÓN AUTOR INVITADO
   ========================================= */
.guest-author {
    padding: var(--space-xl) 0;
    background-color: var(--color-crema-oscuro);
    margin-top: var(--space-xl);
}

.guest-author-content {
    max-width: 900px;
    margin: 0 auto;
}

.guest-author-title {
    font-size: 1.8rem;
    margin-bottom: var(--space-xs);
    text-align: center;
}

.guest-author-subtitle {
    font-size: 1rem;
    color: var(--color-negro-suave);
    text-align: center;
    margin-bottom: var(--space-lg);
}

.guest-author-wrapper {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.guest-author-image img {
    width: 100%;
    height: auto;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.guest-author-text p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-negro-suave);
    margin-bottom: var(--space-md);
}

.guest-author-cta {
    margin-top: var(--space-md);
}

/* =========================================
   RESPONSIVE - TABLET
   ========================================= */
@media (max-width: 968px) {
    .book-card {
        grid-template-columns: 220px 1fr;
        gap: 1.5rem;
    }
    
    .book-content {
        padding: 1.5rem 1.5rem 1.5rem 0;
    }
    
    .book-title {
        font-size: 1.5rem;
    }
    
    .guest-author-wrapper {
        grid-template-columns: 150px 1fr;
    }
}

/* =========================================
   RESPONSIVE - MÓVIL (preparado para ajustar)
   ========================================= */
@media (max-width: 767px) {
    .library-hero {
        margin-top: 70px;
        padding: var(--space-lg) 0;
    }
    
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    /* Aquí ajustaremos los problemas de responsividad que mencionaste */
    .book-card {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .book-cover {
        aspect-ratio: 3 / 4;
        max-height: 350px;
    }
    
    .book-content {
        padding: 1.5rem;
    }
    
    .book-title {
        font-size: 1.4rem;
    }
    
    .book-actions {
        flex-direction: column;
    }
    
    .btn-book-primary, .btn-book-secondary {
        width: 100%;
        min-width: auto;
    }
    
    .guest-author-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .guest-author-image {
        max-width: 200px;
        margin: 0 auto;
    }
}

/* =========================================
   BIBLIOTECA - HERO (ESPACIO REDUCIDO)
   ========================================= */
.library-hero {
    padding: var(--space-sm) 0 var(--space-md) 0; /* Reducido: antes era space-xl 0 */
    background-color: var(--color-crema);
    margin-top: 80px;
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md); /* Reducido: antes era space-xl */
    align-items: center;
}

.hero-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-dorado);
    font-weight: 600;
    margin-bottom: var(--space-xs); /* Reducido */
    display: block;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--color-negro);
    margin-bottom: var(--space-sm); /* Reducido */
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--color-negro-suave);
    max-width: 500px;
    margin: 0; /* Eliminado margen inferior */
}

.hero-image {
    margin: 0; /* Eliminado margen superior */
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    -webkit-mask-image: radial-gradient(ellipse at center, black 70%, transparent 100%);
    mask-image: radial-gradient(ellipse at center, black 70%, transparent 100%);
}

/* =========================================
   GRID DE LIBROS - MENOS ESPACIO SUPERIOR
   ========================================= */
.library-books {
    padding: var(--space-sm) 0 var(--space-xl) 0; /* Reducido: antes era space-xl 0 */
}

.books-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem; /* Reducido: antes era 3rem */
}

/* =========================================
   GRID DE LIBROS - ESPACIO AJUSTADO
   ========================================= */
.library-books {
    padding: 0 0 var(--space-lg) 0; /* Quitamos padding superior, reducimos el inferior */
}

.books-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem; /* Reducido de 2rem a 1.5rem para que los libros estén más juntos */
}

/* Ajuste del hero para que el final también sea más compacto */
.library-hero {
    padding: var(--space-sm) 0 0 0; /* Quitamos el padding inferior del hero */
    background-color: var(--color-crema);
    margin-top: 80px;
}