/* ==========================================================================
   ARCHIVO SILENTE - Hoja de Estilos Principal (Edición Profesional)
   ========================================================================== */

/* --- 1. RESETEO Y VARIABLES --- */
:root {
    --color-fondo: #0a0b0e;
    --color-superficie: #131418;
    --color-texto: #e2e8f0;
    --color-texto-secundario: #94a3b8;
    --color-acento: #9e1b1b; 
    --color-acento-hover: #c92a2a;
    --color-borde: rgba(255, 255, 255, 0.06);
    --color-nav-bg: rgba(19, 20, 24, 0.95);
    
    --fuente-interfaz: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --fuente-literaria: 'Georgia', 'Palatino Linotype', 'Book Antiqua', serif;
}

:root[data-theme="light"] {
    --color-fondo: #f8fafc;
    --color-superficie: #ffffff;
    --color-texto: #1e293b;
    --color-texto-secundario: #64748b;
    --color-borde: #e2e8f0;
    --color-acento: #b71c1c; 
    --color-acento-hover: #d32f2f;
    --color-nav-bg: rgba(255, 255, 255, 0.95);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--fuente-interfaz);
    background-color: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-family: var(--fuente-literaria);
    font-weight: normal;
}

/* --- 2. NAVEGACIÓN (MENÚ) --- */
nav {
    background-color: var(--color-nav-bg);
    backdrop-filter: blur(10px);
    min-height: 64px;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    border-bottom: 1px solid var(--color-borde);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-btn {
    background-color: transparent;
    color: var(--color-texto-secundario);
    border: none;
    padding: 8px 0;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--color-acento);
    transition: width 0.3s ease;
}

.nav-btn:hover {
    color: var(--color-texto);
}

.nav-btn:hover::after {
    width: 100%;
}

.btn-tema {
    background: transparent;
    border: 1px solid var(--color-borde);
    color: var(--color-texto);
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-tema:hover {
    background-color: var(--color-texto);
    color: var(--color-fondo);
}

/* --- 3. CONTENEDOR PRINCIPAL --- */
#contenedor-principal {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
    flex-grow: 1;
    width: 100%;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- 4. VISTA: LOGIN --- */
.contenedor-login {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 75vh;
}

.caja-login {
    background-color: var(--color-superficie);
    padding: 3rem 2.5rem;
    border-radius: 12px;
    width: 100%;
    max-width: 420px;
    border: 1px solid var(--color-borde);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.caja-login h2 {
    color: var(--color-texto);
    margin-bottom: 0.5rem;
    text-align: center;
    font-size: 2rem;
    letter-spacing: 1px;
}

.caja-login p {
    color: var(--color-texto-secundario);
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 0.95rem;
}

#formulario-login {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.grupo-input {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.grupo-input label {
    font-size: 0.75rem;
    color: var(--color-texto-secundario);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
}

.grupo-input input {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-borde);
    color: #ffffff;
    padding: 14px 16px;
    border-radius: 6px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
    font-family: var(--fuente-interfaz);
}

.grupo-input input:focus {
    border-color: var(--color-acento);
    background-color: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 3px rgba(158, 27, 27, 0.15);
}

.grupo-input input::placeholder {
    color: #4a5568;
}

.btn-submit-login {
    background-color: var(--color-acento);
    color: white;
    border: none;
    padding: 14px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    margin-top: 1rem;
    box-shadow: 0 4px 12px rgba(158, 27, 27, 0.3);
}

.btn-submit-login:hover {
    background-color: var(--color-acento-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(158, 27, 27, 0.4);
}

#mensaje-error {
    color: #ef4444;
    text-align: center;
    font-size: 0.9rem;
    min-height: 20px;
    margin-top: 1.5rem;
}

/* --- 5. VISTA: INICIO Y CATÁLOGO --- */
.contenedor-inicio h1,
.contenedor-catalogo h1 {
    color: #ffffff;
    margin-bottom: 0.5rem;
    font-size: 2.8rem;
    letter-spacing: 0.5px;
}

.contenedor-inicio > p,
.contenedor-catalogo > p {
    color: var(--color-texto-secundario);
    font-size: 1.15rem;
    margin-bottom: 3rem;
    max-width: 700px;
}

/* Sistema de grilla responsivo para las tarjetas horizontales */
.novedades,
.grid-libros,
.grid-catalogo {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
    align-items: stretch;
}

/* --- ESTILOS DE LA TARJETA (DISEÑO HORIZONTAL) --- */
.tarjeta-libro {
    background-color: var(--color-superficie);
    border-radius: 10px;
    border: 1px solid var(--color-borde);
    display: flex;
    flex-direction: row; 
    padding: 1.5rem; 
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
    height: auto;
}

.tarjeta-libro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background-color: var(--color-acento);
    opacity: 0.8;
}

.tarjeta-libro:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.1);
}

.contenedor-portada {
    width: 136px;
    height: 218px;
    flex-shrink: 0;
    border-radius: 4px;
    overflow: hidden;
    background-color: #050505;
    box-shadow: 4px 4px 15px rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
}

.imagen-portada {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    object-position: top;
    transition: transform 0.6s ease;
}

.tarjeta-libro:hover .imagen-portada {
    transform: scale(1.05);
}

.contenido-tarjeta {
    padding: 0 0 0 1.5rem; 
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    min-height: 218px; 
}

.tarjeta-libro h3 {
    color: var(--color-texto);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.tarjeta-libro p {
    color: var(--color-texto-secundario);
    flex-grow: 1;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.btn-leer-mas {
    background-color: transparent;
    color: var(--color-texto);
    border: 1px solid var(--color-borde); 
    padding: 10px 24px;
    cursor: pointer;
    border-radius: 30px; 
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    align-self: flex-start;
}

.btn-leer-mas:hover {
    background-color: var(--color-texto);
    color: var(--color-fondo);
    border-color: var(--color-texto);
}

/* --- 6. VISTA: INICIO (CARRUSEL Y GÉNEROS) --- */
.inicio-cabecera {
    text-align: center; 
    margin-bottom: 2rem; 
}

.inicio-cabecera h1 {
    font-size: 2rem; 
    margin-bottom: 0.2rem;
    color: var(--color-texto);
}

.inicio-cabecera p {
    font-size: 1rem; 
    color: var(--color-texto-secundario);
}

.seccion-carrusel {
    margin-bottom: 1rem;
    position: relative;
}

.seccion-carrusel h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-texto); 
    border-bottom: 1px solid var(--color-borde);
    padding-bottom: 0.5rem;
}

.carrusel-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.carrusel-pista {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding: 1.5rem 0;
    width: 100%;
    -ms-overflow-style: none;
    scrollbar-width: none;
    align-items: stretch;
}

.carrusel-pista::-webkit-scrollbar {
    display: none;
}

.tarjeta-carrusel {
    min-width: 300px;
    max-width: 350px;
    flex: 0 0 auto;
    scroll-snap-align: start;
    background: linear-gradient(145deg, var(--color-superficie) 0%, rgba(19, 20, 24, 0.4) 100%);
    border: 1px solid var(--color-borde);
    border-radius: 12px;
    padding: 2rem;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: auto;
}

/* CORRECCIÓN: Evita el fondo oscuro embarrado en modo claro para que coincida con las tarjetas inferiores */
:root[data-theme="light"] .tarjeta-carrusel {
    background: var(--color-superficie);
}

.tarjeta-carrusel:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.1);
}

.etiqueta-nuevo {
    position: absolute;
    top: -12px;
    right: 20px;
    background-color: var(--color-acento);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 5px 12px;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(158, 27, 27, 0.4);
}

/* Contenedor del texto del carrusel */
.contenido-carrusel {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.tarjeta-carrusel h3 {
    font-size: 1.2rem;
    color: var(--color-texto);
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.tarjeta-carrusel p {
    color: var(--color-texto-secundario);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    flex-grow: 1;
}

.btn-leer-destacado {
    background-color: #e2e8f0;
    color: #0a0b0e;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 1.5rem;
    align-self: flex-start;
}

.btn-leer-destacado:hover {
    background-color: #ffffff;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.carrusel-control {
    background-color: rgba(19, 20, 24, 0.85);
    backdrop-filter: blur(5px);
    border: 1px solid var(--color-borde);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    position: absolute;
    z-index: 10;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.carrusel-control:hover {
    background-color: var(--color-acento);
    border-color: var(--color-acento);
    transform: scale(1.05);
}

.carrusel-control.prev { left: -22px; }
.carrusel-control.next { right: -22px; }

.secciones-generos {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cabecera-genero {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid var(--color-borde);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.cabecera-genero h2 {
    font-size: 1.8rem;
    color: var(--color-texto);
    margin: 0;
}

.btn-ver-todo {
    background: none;
    border: none;
    color: var(--color-texto-secundario);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.btn-ver-todo:hover {
    color: var(--color-acento);
}

/* ==========================================================================
   7. DISEÑO RESPONSIVO (TELÉFONOS MÓVILES)
   ========================================================================== */
@media (max-width: 768px) {
    .novedades,
    .grid-libros,
    .grid-catalogo {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .tarjeta-libro,
    .tarjeta-historial {
        flex-direction: column;
        align-items: center;
        padding: 2rem;
        height: auto;
        width: 100%;
    }

    .tarjeta-libro::before {
        width: 100%;
        height: 3px;
        top: 0;
        left: 0;
    }

    .btn-leer-mas {
        align-self: center;
    }

    .carrusel-control {
        display: flex;
        width: 36px;
        height: 36px;
        font-size: 1rem;
        background-color: rgba(19, 20, 24, 0.9);
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    .carrusel-control.prev { left: 5px; }
    .carrusel-control.next { right: 5px; }

    .carrusel-pista {
        gap: 0;
        padding: 1rem 0;
    }

    .tarjeta-carrusel,
    .seccion-genero .carrusel-pista .tarjeta-libro {
        min-width: 95%; 
        max-width: 95%;
        flex-direction: column; 
        align-items: center;
        padding: 1.5rem;
        box-sizing: border-box;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    .contenedor-portada-carrusel,
    .contenedor-portada,
    .banner-historial {
        width: 100%; 
        max-width: 220px; 
        height: auto; 
        aspect-ratio: 2 / 3; 
        margin: 0 auto 1.5rem auto;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6); 
        display: flex;
        justify-content: center;
        overflow: hidden;
    }

    .contenido-carrusel,
    .contenido-tarjeta,
    .info-historial {
        display: flex;
        flex-direction: column;
        height: auto;
        padding: 0 1rem;
        text-align: center;
        width: 100%;
    }

    .tarjeta-libro h3, 
    .tarjeta-carrusel h3 {
        font-size: 1.4rem;
        margin-bottom: 0.8rem;
    }

    .tarjeta-libro p, 
    .tarjeta-carrusel p {
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
        padding: 0 10px;
    }

    .btn-leer-mas, 
    .btn-leer-destacado {
        align-self: center;
        width: 90%; 
        padding: 12px;
    }
}

/* --- Ajustes específicos de Desktop para carrusel inferior --- */
.seccion-genero .carrusel-pista .tarjeta-libro {
    flex: 0 0 auto; 
    min-width: 420px; 
    max-width: 450px;
    scroll-snap-align: start; 
    height: auto;
}

/* --- FOOTER GLOBAL --- */
.footer-archivo {
    width: 100%;
    text-align: center;
    padding: 4rem 2rem;
    margin-top: auto; 
    border-top: 1px solid var(--color-borde);
    background-color: var(--color-fondo); 
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.footer-archivo p {
    color: var(--color-texto-secundario);
    font-size: 0.9rem;
    margin: 0;
}

.footer-subtext {
    font-size: 0.8rem !important;
    opacity: 0.5;
    font-family: var(--fuente-literaria);
    font-style: italic;
}

/* --- SALTO DE LÍNEA PARA FECHA DE ACTUALIZACIÓN --- */
.meta-act {
    display: block; 
    width: 100%;
    margin-top: 4px;
    color: var(--color-texto); 
    font-weight: 600;
}

/* --- TAGS DE ESTADO --- */
.tag-estado {
    padding: 4px 10px;
    border-radius: 20px; 
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #ffffff !important; 
    border: none;
}

.tag-estado.en-curso {
    background: linear-gradient(135deg, #1d4ed8, #3b82f6); 
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.4);
}

.tag-estado.completa {
    background: linear-gradient(135deg, #15803d, #22c55e);
    box-shadow: 0 4px 10px rgba(34, 197, 94, 0.4);
}

.contenedor-lectura {
    animation: fadeIn 0.4s ease-in-out;
}

.cabecera-obra {
    display: flex;
    gap: 3rem;
    margin-bottom: 2rem;
}

.portada-detalle {
    width: 250px;
    flex-shrink: 0;
}

.portada-detalle img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
}

.info-detalle h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.descripcion-obra {
    margin: 1.5rem 0;
    font-size: 1.1rem;
    color: var(--color-texto-secundario);
}

.separador-lectura {
    border: 0;
    border-top: 1px solid var(--color-borde);
    margin: 3rem 0;
}

.lista-capitulos {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.item-capitulo {
    background: var(--color-superficie);
    padding: 1.2rem 2rem;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--color-borde);
    transition: transform 0.2s;
}

.item-capitulo:hover {
    transform: translateX(10px);
    border-color: var(--color-acento);
}

.cap-numero {
    display: block;
    font-size: 0.8rem;
    color: var(--color-acento);
    text-transform: uppercase;
    font-weight: bold;
}

.cap-titulo {
    font-size: 1.2rem;
}

.nav-btn-volver {
    margin-top: 4rem;
    background: none;
    border: 1px solid var(--color-borde);
    color: var(--color-texto-secundario);
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .cabecera-obra {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 2rem;
    }
}

.btn-compra {
    display: inline-block;
    background-color: var(--color-acento);
    color: white !important;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid var(--color-acento);
    text-align: center;
}

.btn-compra:hover {
    background-color: var(--color-acento-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(158, 27, 27, 0.3);
}

@media (max-width: 768px) {
    .btn-compra {
        width: 100%;
        box-sizing: border-box;
    }
}

/* --- ESTILOS PARA TAGS DE GÉNERO --- */
.etiquetas-genero {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: auto; 
    margin-bottom: 15px; 
}

.etiquetas-genero span {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--color-borde);
    color: var(--color-texto-secundario);
    padding: 5px 14px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    transition: all 0.3s ease;
    cursor: default;
}

.etiquetas-genero span:hover {
    background-color: var(--color-acento);
    border-color: var(--color-acento);
    color: white;
    transform: translateY(-1px);
}

.info-detalle .etiquetas-genero {
    justify-content: flex-start;
}

@media (max-width: 768px) {
    .info-detalle .etiquetas-genero {
        justify-content: center;
    }
}

.contenedor-bloqueo {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px dashed var(--color-borde);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 1rem;
}

.icono-candado {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.contenedor-bloqueo h3 {
    font-size: 1.5rem;
    color: var(--color-texto);
    margin-bottom: 0.5rem;
}

.contenedor-bloqueo p {
    color: var(--color-texto-secundario);
    max-width: 400px;
    margin: 0 auto 2rem auto;
}

.btn-patreon-login {
    background-color: #ff424d; 
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
}

.btn-patreon-login:hover {
    background-color: #e33b44;
    transform: scale(1.02);
}

/* --- VISOR DE LECTURA --- */
.contenedor-visor {
    max-width: 800px; 
    margin: 0 auto;
    padding-bottom: 5rem;
}

.controles-visor {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--color-borde);
    position: sticky;
    top: 64px;
    background: var(--color-fondo);
    z-index: 10;
}

.btn-volver-indice {
    background: none;
    border: none;
    color: var(--color-acento);
    cursor: pointer;
    font-weight: 600;
}

.manuscrito {
    transition: opacity 0.3s ease-in-out;
    will-change: opacity; 
}

/* Estilo para el contenedor de la imagen dentro del visor */
#visor-ilustracion-cont {
    transition: opacity 0.5s ease-in-out;
}

.cabecera-capitulo h1 {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 2rem;
}

.ilustracion-capitulo {
    width: 100%;
    margin-bottom: 3rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.ilustracion-capitulo img {
    width: 100%;
    display: block;
}

.texto-literario {
    font-family: var(--fuente-literaria);
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-texto);
    text-align: justify;
}

.texto-literario p {
    margin-bottom: 1.5rem;
    text-indent: 1.5rem; 
}

.texto-literario p:first-of-type {
    text-indent: 0; 
}

.marca-final {
    text-align: center;
    margin: 4rem 0;
    font-size: 1.5rem;
    color: var(--color-acento);
    letter-spacing: 10px;
}

@media (max-width: 600px) {
    .texto-literario {
        font-size: 1.15rem;
        text-align: left; 
    }
    .cabecera-capitulo h1 {
        font-size: 2rem;
    }
}

.contenedor-imagen-capitulo {
    width: 250px; 
    margin: 0 auto 3rem auto; 
    flex-shrink: 0;
}

.contenedor-imagen-capitulo img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    display: block;
    object-fit: cover; 
}

@media (max-width: 768px) {
    .contenedor-imagen-capitulo {
        width: 190px; 
    }
}

.contenedor-portada-carrusel {
    width: 100%;
    height: 400px; 
    overflow: hidden;
}

.contenedor-portada-carrusel .imagen-portada {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center; 
}

/* Fuerza el salto de línea entre Autor y Estado */
.cabecera-tarjeta {
    display: flex;
    flex-direction: column; 
    gap: 0.3rem;
    margin-bottom: 0.8rem;
    align-items: flex-start;
}

/* Estilo para el mensaje de carga */
.loading-texto {
    text-align: center;
    padding: 4rem 0;
    color: var(--color-texto-secundario);
    font-family: var(--fuente-literaria);
    font-style: italic;
    letter-spacing: 2px;
    animation: pulseLoading 1.5s infinite ease-in-out;
}

@keyframes pulseLoading {
    0% { opacity: 0.4; }
    50% { opacity: 1; }
    100% { opacity: 0.4; }
}

/* Aseguramos que el contenedor de la imagen pueda hacer el fade-in */
#visor-ilustracion-cont {
    transition: opacity 0.5s ease;
}

/* Etiqueta para obras de acceso gratuito */
.etiqueta-gratis {
    position: absolute;
    top: 12px;
    right: 12px;
    background: linear-gradient(135deg, #15803d, #22c55e);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 5px 12px;
    border-radius: 20px;
    box-shadow: 0 4px 10px rgba(34, 197, 94, 0.4);
    z-index: 10;
}

/* Aseguramos que los contenedores permitan posicionamiento absoluto */
.tarjeta-carrusel, .tarjeta-libro {
    position: relative;
}

/* Contenedor de las acciones */
.acciones-historial {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

/* Estilo para el botón Continuar */
.btn-historial {
    flex: 1; 
    background: #ff4757;
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    font-size: 0.9rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-historial:hover {
    background: #ff6b81;
    transform: translateY(-2px);
}

/* Estilo para el botón Abandonar */
.btn-abandonar {
    background: transparent;
    color: #ff4757;
    border: 1px solid #ff4757;
    width: 44px;
    height: 44px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.2s ease;
}

.btn-abandonar:hover {
    background: #ff4757;
    color: white;
}

/* Indicador interactivo para las portadas */
.contenedor-portada,
.contenedor-portada-carrusel,
.banner-historial {
    cursor: pointer;
}