/* ============================================================
   1. VARIABLES & CONFIGURACIÓN BASE
   ============================================================ */
:root {
    --parchment-base: #f4e1d2;
    --parchment-dark: #d4a373;
    --ink: #2b1b0f;
    --accent: #7a1f1f;
    --gold: #b89b5e;
    --border-color: #3d2b1f;
}

body.dark-mode:not(.boss-mode) {
    --parchment-base: #18191c;
    --parchment-dark: #111215;
    --ink: #e2e8f0;
    --accent: #b84a4a;
    --gold: #d4af37;
    --border-color: #2b303b;
    background-color: #07080a;
    background-image:
        radial-gradient(circle at center, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.8) 100%),
        url('https://www.transparenttextures.com/patterns/dark-leather.png');
}

body.dark-mode:not(.boss-mode) .book-cover,
body.dark-mode:not(.boss-mode) .book-open {
    background-image:
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.02) 0%, rgba(0, 0, 0, 0.5) 100%),
        url('https://www.transparenttextures.com/patterns/black-paper.png');
    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.9),
        inset 0 0 100px rgba(0, 0, 0, 0.6);
}

body.dark-mode:not(.boss-mode) .annotations-box {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

body.dark-mode:not(.boss-mode) .annotations-box h3 {
    color: #e2e8f0;
}

body.dark-mode:not(.boss-mode) #notes-area {
    color: #e8dcc5;
}

body.dark-mode:not(.boss-mode) #notes-area::placeholder {
    color: rgba(226, 232, 240, 0.6);
    font-style: italic;
}

body.dark-mode:not(.boss-mode) .variant-select {
    background-color: #111215;
    color: #e2e8f0;
    border-color: #b84a4a;
}

body.dark-mode:not(.boss-mode) .variant-select:hover {
    background-color: #2b303b;
}

body.dark-mode:not(.boss-mode) .filter-btn,
body.dark-mode:not(.boss-mode) .back-link {
    color: var(--ink);
    border-color: var(--gold);
}

body.dark-mode:not(.boss-mode) .filter-btn.active,
body.dark-mode:not(.boss-mode) .filter-btn:hover {
    background-color: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

body.dark-mode:not(.boss-mode) .back-link:hover {
    color: var(--accent);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background-color: #1a120b;
    background-image:
        radial-gradient(circle at center, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.4) 100%),
        url('https://www.transparenttextures.com/patterns/dark-leather.png');
    font-family: 'Crimson Text', serif;
    color: var(--ink);
    display: flex;
    justify-content: center;
    padding: 40px 20px;
    scroll-behavior: smooth;
}

/* Tipografía Medieval General */
.subtitle,
.filter-btn,
.back-link,
.caption,
.danger-level,
.categoria-badge,
.type,
.stat-item .label,
.skill-box h3,
.survival-note h4 {
    font-family: 'MedievalSharp', cursive;
}


/* ============================================================
   2. ARQUITECTURA DEL LIBRO (PERGAMINO Y BORDES)
   ============================================================ */
.book-cover,
.book-open {
    background-color: var(--parchment-base);
    background-image:
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.2) 0%, rgba(0, 0, 0, 0) 100%),
        url('https://www.transparenttextures.com/patterns/paper-fibers.png');
    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.8),
        inset 0 0 100px rgba(138, 77, 15, 0.3);
    border: 15px solid #2b1b0f;
    border-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><rect width="100" height="100" fill="none" stroke-width="10" stroke="%233d2b1f" /><circle cx="0" cy="0" r="15" fill="%23b89b5e" /><circle cx="100" cy="0" r="15" fill="%23b89b5e" /><circle cx="0" cy="100" r="15" fill="%23b89b5e" /><circle cx="100" cy="100" r="15" fill="%23b89b5e" /></svg>') 30 stretch;
    position: relative;
}

.book-cover {
    max-width: 900px;
    width: 100%;
    padding: 60px;
    min-height: 80vh;
}

.book-open {
    display: flex;
    max-width: 1200px;
    width: 100%;
    min-height: 80vh;
}


/* ============================================================
   3. PÁGINA DE INICIO (HEADER Y FILTROS)
   ============================================================ */
header {
    text-align: center;
    margin-top: 50px;
    margin-bottom: 50px;
    border-bottom: 2px double var(--ink);
    padding-bottom: 20px;
}

#main-title {
    font-family: 'Cinzel Decorative', cursive;
    font-size: 4rem;
    margin: 0;
    color: var(--accent);
    text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.1);
}

.subtitle {
    font-size: 1.2rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.8;
}

.filter-nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 20px 0;
}

.filter-btn {
    background: var(--border-color);
    color: var(--parchment-base);
    border: 2px solid var(--gold);
    padding: 10px 20px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1.1rem;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
}

.filter-btn:hover {
    background: var(--accent);
    color: white;
}

.filter-btn.active {
    background: var(--accent);
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
    transform: translateY(2px);
    border-color: #ff0000;
}


/* ============================================================
   4. CONTROLES DE DISEÑO (LISTÓN / COLUMNAS)
   ============================================================ */
.layout-nav {
    position: absolute;
    top: -15px;
    right: 15px;
    margin: 0;
    z-index: 20;
    display: flex;
    gap: 10px;
}

#btn-col-toggle, #btn-moon-toggle {
    background: var(--accent);
    color: var(--parchment-base);
    border: none;
    padding: 15px 12px 35px 12px;
    cursor: pointer;
    font-family: 'MedievalSharp', cursive;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 3px 5px 15px rgba(0, 0, 0, 0.5);
    position: relative;
    transition: all 0.3s ease;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 85%, 0 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 90px;
}

#btn-col-toggle:hover, #btn-moon-toggle:hover {
    transform: translateY(8px);
    filter: brightness(1.2);
}

#btn-moon-toggle::before {
    content: "🌙";
    display: block;
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--gold);
}

body.dark-mode #btn-moon-toggle::before {
    content: "☀️";
}

#btn-col-toggle::before {
    content: "◈";
    display: block;
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--gold);
}


/* ============================================================
   5. SISTEMA DE CUADRICULA Y TARJETAS (GRID)
   ============================================================ */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.card {
    padding: 20px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: "❧";
    display: block;
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--gold);
}

.card:hover {
    background: rgba(122, 31, 31, 0.05);
    transform: translateY(-5px);
    border-color: var(--accent);
}

.card h3 {
    font-family: 'Cinzel Decorative', cursive;
    margin: 0;
    font-size: 1.5rem;
}


/* ============================================================
   6. FICHA DETALLADA DE LA CRIATURA
   ============================================================ */
.page {
    flex: 1;
    padding: 40px;
    position: relative;
}

.page-left {
    box-shadow: inset -10px 0 20px rgba(0, 0, 0, 0.05); /* Eliminado el borde sólido vertical */
}

.page-right {
    box-shadow: inset 10px 0 20px rgba(0, 0, 0, 0.05);
}

.nav-links {
    position: absolute;
    top: -50px;
    left: 0;
}

.back-link {
    color: var(--parchment-base);
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s;
}

.back-link:hover {
    color: var(--gold);
}

/* Ilustración */
.illustration-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px; /* Borde sólido eliminado para que la ilustración se integre mejor */
}

.monster-img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 2px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.caption {
    margin-top: 20px;
    font-style: italic;
    opacity: 0.6;
}

/* Cabecera de Datos */
.name {
    font-family: 'Cinzel Decorative', cursive;
    font-size: 3rem;
    color: var(--accent);
    margin: 0;
    text-align: center;
}

.meta-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 10px;
}

.danger-level {
    color: var(--accent);
    font-size: 1rem;
    font-weight: bold;
    letter-spacing: 1px;
}

.habitat-badge {
    background: var(--parchment-dark);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: white;
    font-weight: bold;
    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.type-container {
    text-align: center;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.categoria-badge {
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--accent);
    opacity: 0.7;
}

.type {
    text-align: center;
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 20px;
}

/* Estadísticas y Bloques de Texto */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 20px;
    text-align: center;
    padding-top: 15px;
}

.stat-item .label {
    display: block;
    font-size: 0.8rem;
    color: var(--accent);
}

.stat-item b {
    font-size: 1.4rem;
}

.stat-box {
    border: 2px solid var(--accent);
    padding: 20px;
    margin-bottom: 30px;
    position: relative;
    background: rgba(255, 255, 255, 0.2);
}

.stat-box p {
    margin: 5px 0;
    font-size: 1.1rem;
}

.resistances-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 4px;
}

.resist-item b {
    color: var(--accent);
    margin-right: 5px;
}

.skill-box h3 {
    margin: 0 0 10px 0;
    font-size: 1.2rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lore-box h3 {
    font-family: 'Cinzel Decorative', cursive;
    margin-bottom: 10px;
}

.lore-box p {
    line-height: 1.6;
    font-size: 1.2rem;
    text-align: justify;
}

.survival-note {
    margin-top: 40px;
    padding: 20px;
    border: 2px dashed var(--accent);
    background: rgba(122, 31, 31, 0.05);
    position: relative;
    border-radius: 8px;
}

.survival-note::before {
    content: "✖";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.2rem;
    color: var(--accent);
    background: var(--parchment-base);
    padding: 0 10px;
}

.survival-note h4 {
    margin: 0 0 10px 0;
    color: var(--accent);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.survival-note p {
    font-style: italic;
    font-size: 1.15rem;
    line-height: 1.5;
}

/* Efectos visuales mágicos */
.void-seal {
    width: 100px;
    height: 100px;
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M50 5 L95 95 L5 95 Z" fill="none" stroke="red" stroke-width="2" opacity="0.6"/><circle cx="50" cy="65" r="15" fill="none" stroke="red" stroke-width="1"/><path d="M20 40 L80 40 M50 20 L50 80" stroke="red" stroke-width="1" opacity="0.4"/></svg>');
    background-size: cover;
    opacity: 0.8;
    filter: drop-shadow(0 0 10px red);
    animation: rotateSeal 20s linear infinite;
    pointer-events: none;
    z-index: 10;
}

.seal-hidden {
    display: none;
}

@keyframes rotateSeal {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.ornament {
    text-align: center;
    font-size: 2rem;
    color: var(--gold);
    margin: 20px 0;
}

.footer-nav {
    margin-top: 40px;
    text-align: center;
    padding-top: 20px;
    position: relative;
}

.watermark {
    margin-top: 25px;
    font-family: 'MedievalSharp', cursive;
    font-size: 0.8rem;
    opacity: 0.4;
    letter-spacing: 2px;
    user-select: none;
    cursor: default;
}


/* ============================================================
   7. MODO JEFE (ESTILOS OSCUROS / BOSS MODE)
   ============================================================ */
body.boss-mode {
    background-color: #0c0000;
    --parchment-base: #2e0a0a;
    --parchment-dark: #1a0505;
    --ink: #cfcfcf;
    --accent: #ff0000;
    --gold: #7a1f1f;
    --border-color: #000000;
    transition: all 1s ease;
}

body.boss-mode .back-link,
body.boss-mode .filter-btn {
    color: #cfcfcf;
}

body.boss-mode .book-cover,
body.boss-mode .book-open {
    background-image:
        radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0) 100%),
        url('https://www.transparenttextures.com/patterns/dark-matter.png');
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 1),
        inset 0 0 150px rgba(255, 0, 0, 0.2);
    border-color: #000;
}

body.boss-mode h3,
body.boss-mode .name {
    text-shadow: 0 0 15px rgba(255, 0, 0, 0.8);
}

body.boss-mode .monster-img {
    filter: none;
    mix-blend-mode: normal;
    box-shadow: 0 0 20px rgba(255, 0, 0, 0.4);
}

body.boss-mode .survival-note {
    background: rgba(0, 0, 0, 0.3);
    border-color: var(--accent);
}

body.boss-mode .survival-note p {
    color: #ffcccc;
}

.boss-card {
    border: 3px solid var(--accent) !important;
    animation: pulsar 2s infinite;
}

@keyframes pulsar {
    0% {
        box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
    }

    50% {
        box-shadow: 0 0 30px rgba(255, 0, 0, 1);
    }

    100% {
        box-shadow: 0 0 10px rgba(255, 0, 0, 0.5);
    }
}

/* Modo Jefe para las Anotaciones (Letras claras sobre fondo oscuro) */
body.boss-mode .annotations-box {
    background: rgba(255, 0, 0, 0.05);
    border-color: rgba(255, 0, 0, 0.2);
}

body.boss-mode .annotations-box h3 {
    color: #ffcccc;
}

body.boss-mode #notes-area {
    color: #ffffff; /* Tinta blanca para los jefes */
}

body.boss-mode #notes-area::placeholder {
    color: rgba(255, 255, 255, 0.4);
    font-style: italic;
}

/* Modo Jefe para Select de Variantes */
body.boss-mode .variant-select {
    background-color: #1a0505;
    color: #cfcfcf;
    border-color: #ff0000;
}

body.boss-mode .variant-select:hover {
    background-color: #7a1f1f;
}

body.boss-mode .select-label {
    color: #ff0000;
}


/* ============================================================
   8. ANOTACIONES DEL ERUDITO (SISTEMA DE NOTAS)
   ============================================================ */
.annotations-box {
    margin-top: 50px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 5px;
    position: relative;
    border: 1px dashed rgba(0, 0, 0, 0.1);
}

.annotations-box h3 {
    font-family: 'Caveat', cursive;
    font-size: 1.8rem;
    color: #4a3728;
    margin-bottom: 10px;
    opacity: 0.8;
}

#notes-area {
    width: 100%;
    min-height: 150px;
    background: transparent;
    border: none;
    font-family: 'Caveat', cursive;
    font-size: 1.4rem;
    line-height: 1.4;
    color: #000000; /* Color de tinta negra */
    resize: none;
    outline: none;
    padding: 10px;
}

#notes-area::placeholder {
    color: rgba(74, 55, 40, 0.4);
    font-style: italic;
}





/* ============================================================
   9. VARIANTES (SELECT / DROPDOWN)
   ============================================================ */
.variant-select-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin: 0 auto 30px auto;
    width: 100%;
}

.select-label {
    font-family: 'MedievalSharp', cursive;
    color: var(--accent);
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.variant-select {
    background-color: var(--parchment-dark);
    color: var(--ink);
    border: 2px solid var(--border-color);
    padding: 10px 15px;
    font-family: 'Crimson Text', serif;
    font-size: 1.2rem;
    width: 100%;
    max-width: 300px;
    cursor: pointer;
    border-radius: 4px;
    box-shadow: 2px 2px 5px rgba(0,0,0,0.1);
    outline: none;
    transition: all 0.3s ease;
}

.variant-select:hover {
    background-color: var(--gold);
    color: var(--parchment-base);
}



/* ============================================================
   10. RESPONSIVIDAD Y ADAPTACIÓN
   ============================================================ */

/* Escritorio: Diseño de 2 o 3 columnas */
@media (min-width: 901px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid.three-cols {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Imagen en la página izquierda: posición absoluta igual que antes */
    .illustration-container {
        position: absolute;
        left: -100%;
        top: 0;
        width: 100%;
        height: 100%;
        padding: 40px 40px 40px 20px;
        /* Apilar imagen y anotaciones verticalmente, centrados en altura */
        gap: 30px;
    }

    .monster-img {
        max-height: 55vh;
        width: auto;
        object-fit: contain;
    }

    /* Mover las anotaciones dentro de illustration-container en desktop */
    .illustration-container .annotations-box {
        width: 100%;
        margin: 0;
        transform: rotate(-1deg);
        box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.05);
    }
}

/* Tablet / Móvil Grande */
@media (max-width: 900px) {
    .book-open {
        flex-direction: column;
    }

    .page-left {
        display: none;
    }

    .content-wrapper {
        display: flex;
        flex-direction: column;
    }

    .illustration-container {
        display: contents;
    }

    .monster-img {
        margin: 20px auto 10px auto;
    }

    .caption {
        text-align: center;
        margin-bottom: 20px;
    }

    .annotations-box {
        order: 10;
        margin-top: 40px;
    }

    .footer-nav {
        order: 11;
    }

    #main-title {
        font-size: 2.5rem;
    }

    .book-cover {
        padding: 30px 15px;
    }

    header {
        margin-top: 80px;
    }

    #btn-col-toggle {
        display: none;
    }
}

/* Móvil Pequeño */
@media (max-width: 500px) {
    body {
        padding: 10px;
    }

    #main-title {
        font-size: 2rem;
    }

    .book-cover,
    .book-open {
        border-width: 10px;
        padding: 20px 10px;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .name {
        font-size: 2.2rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-box {
        margin-bottom: 20px;
    }
}