/* ============================================================
   pageflip.css - Estilos para el libro Porfiao
   Versión: 23/8/2026 - Corregida y optimizada
   ============================================================ */

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

/* ============================================================
   TIPOGRAFÍA RESPONSIVE
   ============================================================ */
:root {
    --text-base: clamp(13px, 1.2vw, 18px);
    --text-small: clamp(11px, 1vw, 15px);
    --text-large: clamp(18px, 2vw, 28px);
    --text-title: clamp(22px, 2.8vw, 38px);
    --text-verse: clamp(15px, 1.6vw, 22px);
}

/* Ajustes para tablets */
@media (max-width: 768px) {
    :root {
        --text-base: clamp(12px, 2.5vw, 15px);
        --text-small: 10px;
        --text-large: clamp(16px, 3.5vw, 22px);
        --text-title: clamp(18px, 4vw, 26px);
        --text-verse: clamp(14px, 2.8vw, 18px);
    }
    
    .page {
        padding: 20px !important;
    }
    
    .page-text {
        padding: 20px !important;
    }
}

/* Ajustes para móviles pequeños */
@media (max-width: 480px) {
    :root {
        --text-base: clamp(11px, 3vw, 13px);
        --text-verse: clamp(12px, 3.2vw, 15px);
    }
}

/* ============================================================
   CONTENEDORES - Ancho completo
   ============================================================ */
.container-libro {
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
    display: block;
    clear: both;
}

.libro-porfiao {
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
    display: block;
}

#book-wrapper {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 10px 0;
    display: block;
    clear: both;
    background: var(--bg-body);
}

/* ============================================================
   LIBRO - CONTENEDOR PRINCIPAL
   ============================================================ */
#book {
    width: 100%;
    max-width: 100%;
    aspect-ratio: 2 / 1;
    margin: 0 auto;
    display: block;
    clear: both;
    box-shadow: 0 20px 60px var(--book-shadow);
    border-radius: 4px;
    position: relative;
    background: var(--book-cover-bg);
}

/* ============================================================
   PÁGINAS - ESTILOS BASE
   ============================================================ */
.page {
    padding: 40px;
    background: var(--book-bg);
    color: var(--book-text);
    font-family: "Comic Neue", "Comic Sans MS", cursive !important;
    font-size: var(--text-base);
    font-style: italic;
    line-height: 1.8;
    box-sizing: border-box;
    user-select: none;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.page:nth-child(odd) {
    background: var(--book-bg-odd);
}

.page:nth-child(even) {
    background: var(--book-bg-even);
}

/* ============================================================
   TÍTULOS
   ============================================================ */
.page h1 {
    font-size: var(--text-title);
    margin-bottom: 20px;
    color: var(--book-text);
}

.page h2 {
    font-size: var(--text-large);
    margin-bottom: 15px;
    color: var(--book-text);
}

.page p {
    margin-bottom: 15px;
}

/* ============================================================
   PÁGINAS CON IMAGEN
   ============================================================ */
.page-image {
    padding: 0 !important;
    overflow: hidden;
    background: var(--book-cover-bg);
    position: relative;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.page-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    background: var(--book-cover-bg);
}

/* ============================================================
   PÁGINAS CON TEXTO
   ============================================================ */
.page-text {
    padding: 40px 50px !important;
    background: var(--book-bg) !important;
    color: var(--book-text) !important;
    font-size: var(--text-base) !important;
    font-style: italic !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    text-align: center !important;
    line-height: 1.8 !important;
}

.page-text p {
    margin-bottom: 15px !important;
    max-width: 80% !important;
    font-size: var(--text-base) !important;
}

.page-text p:last-child {
    margin-bottom: 0 !important;
}

/* ============================================================
   PÁGINA DE CRÉDITOS
   ============================================================ */
.page-credits {
    background: var(--book-bg-even) !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    text-align: center !important;
    padding: 40px !important;
}

.page-credits h2 {
    font-size: 24px !important;
    margin-bottom: 30px !important;
    color: var(--book-text) !important;
    font-family: "Comic Neue", "Comic Sans MS", cursive !important;
    font-style: normal;
    font-weight: bold;
}

.page-credits p {
    font-size: clamp(16px, 1.5vw, 20px) !important;
    line-height: 1.8 !important;
    color: var(--book-text) !important;
    max-width: 80% !important;
    font-family: "Comic Neue", "Comic Sans MS", cursive !important;
}

.page-credits .copyright {
    font-size: clamp(12px, 1vw, 16px) !important;
    color: var(--book-page-number) !important;
}

/* ============================================================
   PORTADA (data-density="hard") - VERSIÓN EQUILIBRADA
   ============================================================ */
.page[data-density="hard"] {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    padding: 30px 40px !important;
    text-align: center;
    line-height: 1.5 !important;  /* Punto medio entre 1.6 y 1.4 */
}

/* Fondo de la portada */
.page[data-density="hard"]:nth-child(even) {
    background-image: var(--book-bck);
    background-color: var(--book-bg-even);
    background-size: cover;
    background-position: center;
}

/* Títulos en portada */
.page[data-density="hard"] h1 {
    color: var(--book-text);
    font-size: clamp(20px, 2.5vw, 32px) !important;
    margin-bottom: 15px !important;
}

.page[data-density="hard"] h2 {
    text-align: center;
    font-size: clamp(17px, 2vw, 26px) !important;
    margin-bottom: 15px !important;
    color: var(--book-text);
    width: 100%;
    line-height: 1.3 !important;
}

/* Columnas de versos */
.page[data-density="hard"] .column {
    display: flex !important;
    flex-direction: row !important;
    justify-content: center;
    gap: 25px;
    width: 100%;
    line-height: 1.6 !important;
}

.page[data-density="hard"] .column .estrofa {
    flex: 1;
    max-width: 50%;
    padding: 0 10px;
    margin-bottom: 4%;
}

/* Versos */
.page[data-density="hard"] .estrofa p {
    margin: 0 0 5px 0 !important;
    font-size: clamp(14px, 1.4vw, 18px) !important;
    font-style: italic;
    line-height: 1.6 !important;
    text-align: center;
    color: var(--book-text);
    max-width: 100%;
}

/* Pie de la portada */
.page[data-density="hard"] > p {
    text-align: center;
    font-size: clamp(11px, 0.95vw, 15px) !important;
    margin-top: 12px !important;
    width: 100%;
    color: var(--book-text);
    opacity: 0.8;
    line-height: 1.5 !important;
}

.page[data-density="hard"] .canto-footer {
    text-align: center !important;
    font-size: clamp(11px, 0.95vw, 15px) !important;
    margin-top: 12px !important;
    width: 100% !important;
    color: var(--book-text) !important;
    opacity: 0.8 !important;
    line-height: 1.5 !important;
}
/* ============================================================
   PÁGINA EN BLANCO
   ============================================================ */
.page-blank {
    background: var(--book-cover-bg) !important;
    padding: 0 !important;
}

/* ============================================================
   NÚMEROS DE PÁGINA
   ============================================================ */
.page-number {
    position: absolute;
    bottom: 20px;
    right: 30px;
    font-size: var(--text-small);
    color: var(--book-page-number);
    font-style: normal;
    font-family: Georgia, serif;
    z-index: 5;
}

.page-left .page-number {
    right: auto;
    left: 30px;
}

.page[data-density="hard"] .page-number {
    display: none;
}

/* ============================================================
   CONTRAPORTADA
   ============================================================ */
.page-end {
    background: var(--book-bg) !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: center !important;
    text-align: center !important;
    padding: 40px !important;
}

.page-end h1 {
    font-size: var(--text-title) !important;
    color: var(--book-text) !important;
    margin-bottom: 20px !important;
}

.page-end p {
    font-size: var(--text-base) !important;
    color: var(--book-text) !important;
    font-family: "Comic Neue", "Comic Sans MS", cursive !important;
}

.page-end .credits-footer {
    font-size: clamp(12px, 1vw, 16px) !important;
    margin-top: 40px !important;
    color: var(--book-page-number) !important;
}

/* ============================================================
   MODO MÓVIL - CARRUSEL
   ============================================================ */
#book-mobile {
    width: 100%;
    max-width: 750px;
    margin: 0 auto;
    display: none;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 20px 60px var(--book-shadow);
    position: relative;
    background: var(--book-cover-bg);
}

.mobile-slides {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.mobile-slide {
    min-width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--book-bg);
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
}

.mobile-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.mobile-slide-text {
    padding: 30px;
    font-size: 20px;
    line-height: 1.8;
    text-align: center;
    color: var(--book-text);
    background: var(--book-bg);
}

.mobile-slide-text p {
    margin-bottom: 15px;
}

.mobile-nav {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 12px;
    z-index: 10;
    padding: 0 20px;
}

.mobile-nav button {
    background: rgba(255, 255, 255, 0.8);
    border: none;
    color: var(--book-text);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 2px 10px var(--book-shadow);
    transition: background 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-nav button:hover {
    background: rgba(255, 255, 255, 0.95);
}

.mobile-nav button:disabled {
    opacity: 0.3;
    cursor: default;
}

.mobile-dots {
    position: absolute;
    bottom: 75px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 8px;
    z-index: 10;
}

.mobile-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transition: background 0.3s;
}

.mobile-dots span.active {
    background: rgba(255, 255, 255, 0.9);
}

/* ============================================================
   RESPONSIVE - TABLETS Y MÓVILES
   ============================================================ */
@media (max-width: 768px) and (orientation: portrait) {
    #book {
        display: none;
    }
    
    #book-mobile {
        display: block;
    }
}

@media (max-width: 768px) {
    .page[data-density="hard"] .column {
        flex-direction: column !important;
        gap: 10px;
    }
    
    .page[data-density="hard"] .column .estrofa {
        max-width: 100%;
        padding: 0;
    }
    
    .page[data-density="hard"] .estrofa p {
        font-size: clamp(14px, 2.5vw, 18px);
    }
    
    .page[data-density="hard"] h2 {
        font-size: clamp(18px, 3vw, 24px);
        margin-bottom: 15px;
    }
    
    .page-number {
        font-size: 12px;
        bottom: 15px;
        right: 20px;
    }
    
    .page-left .page-number {
        left: 20px;
    }
}

@media (max-width: 480px) and (orientation: portrait) {
    .page-text {
        padding: 20px !important;
    }
    
    .page-text p {
        font-size: var(--text-base) !important;
    }
    
    .page[data-density="hard"] .estrofa p {
        font-size: clamp(12px, 3vw, 16px);
    }
    
    .page[data-density="hard"] h2 {
        font-size: clamp(16px, 4vw, 20px);
    }
}