/* ── Variables mapeadas a la paleta del index ── */
:root {
    --color-bg:    var(--bg);      /* #1a2030 */
    --color-cream: var(--text);    /* #e8e4dc */
    --color-gold:  var(--accent);  /* #c4724a */
    --font-serif:  'Cormorant Garamond', serif;
    --font-ui:     'Outfit', sans-serif;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Outfit', sans-serif;
    font-weight: 300;
}

/* ========== CONTENEDOR GALERÍA ========== */
.galeria-container {
    padding: 2rem;
    background: transparent;
    color: var(--color-cream);
    max-width: 1400px;
    margin: 0 auto;
}

/* ========== NAVEGACIÓN ========== */
.galeria-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 2rem;
    border-bottom: 0.5px solid var(--border);
    margin-bottom: 1.5rem;
    background: rgba(26, 32, 48, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.galeria-nav .logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem;
    font-weight: 300;
    letter-spacing: 0.08em;
    color: var(--text);
    text-decoration: none;
    flex-shrink: 0;
}

.galeria-nav .logo span { color: var(--accent); }

.back-btn {
    display: none;
    position: fixed;
    bottom: 40px;
    left: 40px;
    background: var(--bg2);
    border: 0.5px solid var(--border);
    color: var(--muted);
    padding: 0.7rem 1.2rem;
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: all 0.3s ease;
    z-index: 500;
}

.back-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.nav-label {
    flex: 1;
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--color-cream);
    letter-spacing: 0.06em;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.galeria-nav .nav-menu {
    list-style: none;
    display: flex;
    gap: 2rem;
    flex-shrink: 0;
}

.galeria-nav .nav-menu li a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: color 0.2s;
}

.galeria-nav .nav-menu li a:hover { color: var(--text); }

.galeria-nav .nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.3rem;
    flex-shrink: 0;
}

.galeria-nav .nav-hamburger span {
    display: block;
    width: 22px;
    height: 1px;
    background: var(--text);
    transition: all 0.3s;
}

.galeria-nav .nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.galeria-nav .nav-hamburger.open span:nth-child(2) { opacity: 0; }
.galeria-nav .nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ========== GRID DE SERIES ========== */
.series-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2.5rem;
    margin: 2rem 0;
}

.series-grid.hidden {
    display: none;
}

.serie-card {
    cursor: pointer;
    transition: all 0.4s ease;
    overflow: hidden;
}

.serie-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(196, 114, 74, 0.2);
}

.serie-cover {
    width: 100%;
    aspect-ratio: 3/4;
    background-size: cover;
    background-position: center;
    margin-bottom: 1rem;
    transition: filter 0.4s ease;
}

.serie-card:hover .serie-cover {
    filter: brightness(1.15);
}

.serie-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    margin: 0;
    padding: 0 0.5rem 1rem;
    color: var(--color-cream);
    text-align: center;
    font-weight: 300;
    letter-spacing: 0.05em;
}

/* ========== CONTENEDOR SUBCATEGORÍAS ========== */
.subcategorias-container {
    display: none;
}

.subcategorias-container.active {
    display: block;
}

/* ========== GRID DE SUBCATEGORÍAS ========== */
.subcategorias-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.subcategoria-card {
    cursor: pointer;
    transition: all 0.4s ease;
    overflow: hidden;
}

.subcategoria-card:hover {
    transform: scale(1.06);
    box-shadow: 0 10px 30px rgba(196, 114, 74, 0.15);
}

.subcategoria-cover {
    width: 100%;
    aspect-ratio: 3/4;
    background-size: cover;
    background-position: center;
    margin-bottom: 0.75rem;
    transition: filter 0.4s ease;
}

.subcategoria-card:hover .subcategoria-cover {
    filter: brightness(1.15);
}

.subcategoria-title {
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--color-cream);
    text-align: center;
    margin: 0;
    padding: 0 0.5rem 0.75rem;
    font-family: var(--font-serif);
    letter-spacing: 0.04em;
}

/* ========== VISTA COLECCIÓN ========== */
.coleccion-view {
    display: none;
}

.coleccion-view.active {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    height: 80vh;
}

.foto-principal-wrap {
    position: relative;
    flex: 1;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
}

.foto-principal {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    cursor: zoom-in;
    transition: opacity 0.2s ease;
    display: block;
    -moz-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
}

.foto-contador {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(26, 32, 48, 0.85);
    color: var(--muted);
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    padding: 0.3rem 0.6rem;
    pointer-events: none;
}

.foto-prev,
.foto-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(26, 32, 48, 0.7);
    border: 0.5px solid var(--border);
    color: var(--muted);
    font-size: 1.5rem;
    padding: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
}

.foto-prev:hover,
.foto-next:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(26, 32, 48, 0.9);
}

.foto-prev { left: 10px; }
.foto-next { right: 10px; }

/* ========== LIGHTBOX ========== */
.lightbox {
    display: none;
    transition: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(16, 20, 30, 0.98);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.lightbox.active {
    display: flex;
    opacity: 1;
    pointer-events: all;
}

.lightbox-img {
    max-width: 90%;
    max-height: 80vh;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: 0.5px solid var(--border);
    color: var(--muted);
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.lightbox-close:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: 0.5px solid var(--border);
    color: var(--muted);
    font-size: 1.5rem;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* ========== FILMSTRIP (vertical) ========== */
.filmstrip {
    width: 72px;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
    overflow-x: hidden;
    flex-shrink: 0;
    scroll-behavior: smooth;
    padding: 0.25rem 0;
}

.filmstrip::-webkit-scrollbar {
    width: 3px;
}

.filmstrip::-webkit-scrollbar-track {
    background: transparent;
}

.filmstrip::-webkit-scrollbar-thumb {
    background: var(--accent);
}

.filmstrip img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    opacity: 0.55;
    flex-shrink: 0;
    filter: saturate(0.8);
}

.filmstrip img:hover {
    opacity: 0.85;
    filter: saturate(1);
}

.filmstrip img.active {
    border-color: var(--accent);
    opacity: 1;
    filter: saturate(1);
    box-shadow: 0 0 8px rgba(196, 114, 74, 0.35);
}

/* ========== BOTÓN ARRIBA ========== */
.archivo-up {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background: var(--bg2);
    border: 0.5px solid var(--border);
    color: var(--muted);
    padding: 0.7rem 1.2rem;
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 500;
}

.archivo-up:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ========== COVERS CON <img> ========== */
.serie-cover,
.subcategoria-cover {
    overflow: hidden;
}

.serie-cover .cover-img,
.subcategoria-cover .cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: filter 0.4s ease, transform 0.4s ease;
    filter: saturate(0.85) brightness(0.9);
}

.serie-card:hover .cover-img,
.subcategoria-card:hover .cover-img {
    filter: saturate(1) brightness(1);
    transform: scale(1.03);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .galeria-container { padding: 1.5rem; }
    .series-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 2rem; }
    .subcategorias-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1.5rem; }
}

@media (max-width: 768px) {
    .galeria-nav { padding: 0.75rem 1.2rem; margin-bottom: 1.5rem; }
    .galeria-nav .nav-menu { display: none; }
    .galeria-nav .nav-hamburger { display: flex; }
    .galeria-nav .nav-menu.open {
        display: flex;
        position: fixed;
        top: 56px; left: 0; right: 0;
        height: calc(100vh - 56px);
        background: rgba(26, 32, 48, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
        z-index: 99;
    }
    .galeria-nav .nav-menu.open li a { font-size: 1.1rem; letter-spacing: 0.2em; }
    .galeria-container { padding: 1rem; }
    .series-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1.5rem; margin: 1.5rem 0; }
    .subcategorias-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
    .nav-label { font-size: 1rem; }
    .serie-title { font-size: 0.95rem; padding: 0 0.5rem 0.75rem; }
    .subcategoria-title { font-size: 0.85rem; }
    .archivo-up { bottom: 20px; right: 20px; padding: 0.6rem 1rem; }
    .back-btn { bottom: 20px; left: 20px; padding: 0.6rem 1rem; }
    .lightbox-prev, .lightbox-next { padding: 0.75rem; font-size: 1.2rem; }
    .lightbox-prev { left: 10px; }
    .lightbox-next { right: 10px; }

    .coleccion-view.active { flex-direction: column; height: auto; }
    .foto-principal-wrap { width: 100%; height: 55vw; min-height: 250px; }
    .filmstrip { width: 100%; height: 80px; flex-direction: row; overflow-x: auto; overflow-y: hidden; }
    .filmstrip img { width: auto; height: 100%; aspect-ratio: 3/4; }
}

@media (max-width: 480px) {
    .series-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .subcategorias-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
    .lightbox-img { max-width: 95%; }
    .filmstrip { gap: 0.5rem; padding: 1rem 0; margin-top: 1.5rem; }
    .filmstrip img { height: 60px; }
    .back-btn { padding: 0.4rem 0.8rem; font-size: 0.8rem; }
    .nav-label { font-size: 0.9rem; }
}

/* ── Botón volver (dentro del nav) ── */
.btn-volver-index {
    background: none;
    border: 0.5px solid var(--border);
    color: var(--muted);
    padding: 0.4rem 0.9rem;
    cursor: pointer;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-volver-index:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ── Transición de color dinámica ── */
body,
.galeria-nav {
    transition: background-color 0.9s ease, border-color 0.9s ease, color 0.8s ease;
}