/* ============================================================
   portal.css  –  Tienda de Peluches
   Aplica a: index.php y producto.php
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Lato:wght@300;400;700&display=swap');

/* ── Variables ─────────────────────────────────────────────── */
:root {
    --bg:           #f5f0e8;          /* crema cálido */
    --bg-card:      #fffdf8;          /* blanco marfil */
    --accent:       #b07d4f;          /* caramelo */
    --accent-dark:  #8a5e35;
    --text:         #2c2218;
    --text-muted:   #7a6a58;
    --border:       #e0d5c5;
    --shadow:       rgba(80, 50, 20, 0.10);
    --shadow-hover: rgba(80, 50, 20, 0.22);
    --radius:       14px;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body:    'Lato', sans-serif;
    --transition:   0.28s cubic-bezier(.4,0,.2,1);
}

/* ── Reset base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-body);
    background-color: var(--bg);
    background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: inherit; text-decoration: none; }

/* ============================================================
   INDEX — Cuadrícula de productos
   ============================================================ */

.catalogo-titulo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.02em;
    color: var(--text);
    padding: 2.5rem 1rem 0.4rem;
}

.catalogo-subtitulo {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

/* ── Contenedor del catálogo ───────────────────────────────── */
/* El JS mete las .pagina-productos dentro de este div */
.catalogo-grid {
    width: 100%;
}

/* ── Páginas de productos ──────────────────────────────────── */
.pagina-productos {
    display: none;                      /* ocultas por defecto */
}

/* Escritorio: 4 columnas × 2 filas = 8 por página */
.pagina-productos.activa {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    max-width: 1200px;
    margin: 0 auto 2rem;
    padding: 0 2rem;
}

/* Tarjeta de producto */
.producto-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 18px var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
}

.producto-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 14px 38px var(--shadow-hover);
}

.producto-card__img-wrap {
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #ede8df;
}

.producto-card__img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

.producto-card:hover .producto-card__img-wrap img {
    transform: scale(1.06);
}

.producto-card__body {
    padding: 14px 16px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.producto-card__nombre {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text);
}

.producto-card__precio {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin-top: auto;
    padding-top: 8px;
}

/* Botón añadir al carrito */
.producto-card__btn {
    display: block;
    width: 100%;
    padding: 11px 0;
    background: var(--accent);
    color: #fff;
    border: none;
    border-top: 1px solid var(--border);
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background var(--transition);
    text-align: center;
    text-decoration: none;
}

.producto-card__btn:hover {
    background: var(--accent-dark);
}

/* ── Controles de paginación ───────────────────────────────── */
.paginacion {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    padding: 1rem 0 2.5rem;
}

.paginacion__btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition), color var(--transition);
    box-shadow: 0 2px 8px var(--shadow);
}

.paginacion__btn:hover,
.paginacion__btn.activo {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.paginacion__btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

.paginacion__info {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    min-width: 50px;
    text-align: center;
}

/* ============================================================
   PRODUCTO — Ficha detalle
   ============================================================ */

.producto-detalle {
    max-width: 1100px;
    margin: 3rem auto;
    padding: 0 2rem 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* ── Galería (izquierda) ───────────────────────────────────── */
.galeria {
    position: sticky;
    top: 24px;
}

.galeria__principal {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #ede8df;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 8px 32px var(--shadow);
    margin-bottom: 14px;
}

.galeria__slides {
    display: flex;
    height: 100%;
    transition: transform 0.5s cubic-bezier(.4,0,.2,1);
}

.galeria__slide {
    min-width: 100%;
    height: 100%;
    flex-shrink: 0;
}

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

/* Flechas */
.galeria__flecha {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.82);
    border: none;
    border-radius: 50%;
    width: 42px;
    height: 42px;
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px var(--shadow);
    transition: background var(--transition);
    z-index: 10;
    color: var(--text);
    backdrop-filter: blur(4px);
}

.galeria__flecha:hover { background: #fff; }
.galeria__flecha--prev { left: 12px; }
.galeria__flecha--next { right: 12px; }

/* Puntos indicadores */
.galeria__puntos {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 4px;
}

.galeria__punto {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
    border: none;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    padding: 0;
}

.galeria__punto.activo {
    background: var(--accent);
    transform: scale(1.3);
}

/* Miniaturas */
.galeria__thumbs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.galeria__thumb {
    width: 66px;
    height: 66px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color var(--transition), opacity var(--transition);
    opacity: 0.7;
    flex-shrink: 0;
}

.galeria__thumb.activo,
.galeria__thumb:hover {
    border-color: var(--accent);
    opacity: 1;
}

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

/* ── Info producto (derecha) ──────────────────────────────── */
.producto-info {
    padding-top: 0.5rem;
}

.producto-info__nombre {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text);
}

.producto-info__precio {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 0.4rem;
}

.producto-info__precio s {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 1.15rem;
    margin-right: 10px;
}

.producto-info__precio span {
    color: var(--accent-dark);
}

.producto-info__descripcion {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin: 1.2rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

.producto-info__meta {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 1.8rem;
}

.producto-info__meta li {
    display: flex;
    gap: 10px;
    font-size: 0.95rem;
}

.producto-info__meta .meta-label {
    font-weight: 700;
    color: var(--text);
    min-width: 110px;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    padding-top: 2px;
}

.producto-info__meta .meta-valor {
    color: var(--text-muted);
}

.producto-info__btn {
    display: inline-block;
    padding: 14px 36px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 40px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 4px 18px rgba(176, 125, 79, 0.30);
    text-decoration: none;
}

.producto-info__btn:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(176, 125, 79, 0.40);
}

.badge-existencias {
    display: inline-block;
    background: #e8f5e9;
    color: #2e7d32;
    border-radius: 20px;
    padding: 2px 12px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.badge-existencias.bajo {
    background: #fff3e0;
    color: #e65100;
}

/* ── Volver ─────────────────────────────────────────────────── */
.btn-volver {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 1.5rem 2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color var(--transition);
    text-decoration: none;
}
.btn-volver:hover { color: var(--accent); }

/* ── Panel de control link ─────────────────────────────────── */
.link-admin {
    display: block;
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.6;
    transition: opacity var(--transition);
}
.link-admin:hover { opacity: 1; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet ancha: 4 → 2 columnas, gap reducido en ficha */
@media (max-width: 1000px) {
    .pagina-productos.activa {
        grid-template-columns: repeat(2, 1fr);
    }
    .producto-detalle {
        gap: 32px;
    }
}

/* Tablet / móvil grande */
@media (max-width: 700px) {
    /* Catálogo: 2 columnas × 1 fila = 2 por página (el JS lo controla) */
    .pagina-productos.activa {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 0 1rem;
    }

    /* Ficha de producto: apila galería sobre info */
    .producto-detalle {
        grid-template-columns: 1fr;
        gap: 32px;
        margin: 1.5rem auto;
        padding: 0 1rem 3rem;
    }

    .galeria { position: static; }
    .producto-info__nombre { font-size: 1.6rem; }
}

/* Móvil pequeño */
@media (max-width: 480px) {
    /* Catálogo sigue en 2 columnas en móvil — el JS pone 2 por página */
    .catalogo-titulo { font-size: 1.6rem; }

    .producto-card__nombre { font-size: 0.92rem; }
    .producto-card__precio { font-size: 0.9rem; }
    .producto-card__btn    { font-size: 0.78rem; padding: 9px 0; }
}

/* Móvil muy estrecho */
@media (max-width: 360px) {
    .pagina-productos.activa {
        gap: 10px;
        padding: 0 0.75rem;
    }
}